JP7195138B2 - evacuation door - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an evacuation door installed in an opening that communicates an evacuation connecting shaft and a roadway tunnel.

In a highway or the like on which an upward road and a downward road run parallel to each other with an interval therebetween, an evacuation tunnel is provided to connect the tunnels of the upward road and the downward road. An evacuation door is provided at an opening that communicates the evacuation connecting shaft and the roadway tunnel.

As such an evacuation door, a disaster prevention door for an evacuation communication tunnel disclosed in Patent Document 1 is composed of a folding door for opening and closing the opening of the tunnel, and a sliding door provided on the folding door. A vehicle evacuation opening is formed by opening the sliding door, and a pedestrian evacuation opening is formed by opening the sliding door. The evacuation connecting pit door disclosed in Patent Document 1 is composed of a first folding door consisting of two panels and a second folding door consisting of two panels, and a sliding door is provided on one panel of the first folding door. It was a thing, and the number of parts was large.
JP 2002-138774

SUMMARY OF THE INVENTION It is an object of the present invention to provide a folding door-type evacuation door having a simpler structure while securing a larger opening width for a pedestrian opening.

The technical means adopted by the present invention are:
An evacuation door comprising: a folding door that opens and closes a vehicle opening that communicates with an evacuation tunnel and a roadway tunnel; and a sliding door that opens and closes a pedestrian opening formed in the folding door,
The folding door is composed of a first door body on the leading edge side and a second door body on the trailing edge side. (first opening half) and the opening half (second opening half) formed on the door tip side of the second door body are continuous to form the pedestrian opening,
The sliding door frame and the sliding door of the sliding door are provided on either the first door body or the second door body,
Evacuation door.
In one aspect, a sliding door is provided on the side where the folding door bends. In an embodiment to be described later, a sliding door is provided on the side of the folding door that bends toward the evacuation passageway.

In one aspect, the sliding door is a single sliding door consisting of a first sliding door and a second sliding door,
When the sliding door is closed, the first sliding door mainly closes one half of the opening, and the second sliding door mainly closes the other half of the opening.
In a mode in which the first sliding door mainly closes one opening half and the second sliding door mainly closes the other opening half, the first sliding door closes the first opening half and the second sliding door closes the other opening half. When the doors close the second opening half, the first sliding door slightly closes the first opening half and the second opening half, and the second sliding door mostly closes the second opening half. In some cases, the second sliding door slightly closes the second opening half and the first opening half, and the first sliding door mostly closes the first opening half.

In one aspect, the sliding door frame comprises a first portion fixed to the one door body and a second portion extending beyond the door tip side portion of the one door body,
The first part of the sliding door frame is fixed to the one door so as to surround the half opening formed in the one door,
The second portion of the sliding door frame is close to or in contact with the other door body so as to surround the half opening formed in the other door body when the folding door is in the closed posture.
In one aspect, the sliding door frame and the sliding door are provided on the second door body,
The sliding door frame is composed of a first portion fixed to the second door body and a second portion extending beyond the door tip side portion of the second door body,
The first portion of the sliding door frame is fixed to the second door body so as to surround the second opening half,
The second portion of the sliding door frame is close to or in contact with the first door body so as to surround the first half opening when the folding door is in the closed posture.
The sliding door frame and the sliding door may be provided on the first door body. In this case,
The sliding door frame is composed of a first portion fixed to the first door body and a second portion extending beyond the door tip side portion of the first door body,
The first portion of the sliding door frame is fixed to the first door body so as to surround the first opening half,
The second portion of the sliding door frame is close to or in contact with the second door body so as to surround the second opening half portion when the folding door is in the closed position.

In one aspect, the first door body includes a first viewing surface, a second viewing surface, a first door trailing side portion positioned above the opening half, and a door tip of the opening half. a lower second door bottom side portion located on the side,
The second door body includes a first viewing surface, a second viewing surface, a first front side portion located above the half opening, and a bottom portion located on the bottom side of the half opening. and a second door end side portion on the side,
the first door tail side portion above the first door body and the first door tip side portion above the second door body are rotatably connected,
When the folding door is in the closed posture, the pedestrian opening is located between the second door tail side portion on the lower side of the first door body and the second door tip side portion on the lower side of the second door body. is formed and
The sliding door frame comprises a leading edge side vertical frame, a door trailing side vertical frame, an upper frame and a lower frame, and the first portion of the sliding door frame includes the door trailing side vertical frame and the first portion of the upper frame. and a first portion of the lower frame, wherein the second portion of the sliding door frame comprises the door leading side vertical frame, the second portion of the upper frame, and the second portion of the lower frame; consists of
The first portion of the sliding door frame is fixed to the first viewing surface of the one door body so as to surround the half opening formed in the one door body,
The second portion of the sliding door frame faces the first viewing surface of the other door body so as to surround the half opening formed in the other door body when the folding door is in the closed posture. there is
In an embodiment described later, the first door body has a first viewing surface located on the evacuation tunnel side, a second viewing surface located on the roadway tunnel side, and an upper side of the first half opening. and a lower second door tail side portion positioned on the door tip side of the first half opening,
The second door body has a first viewing surface located on the evacuation tunnel side, a second viewing surface located on the roadway tunnel side, and a first door leading side located above the second half opening. and a lower second door end side portion located on the door bottom side of the second opening half,
the first door tail side portion above the first door body and the first door tip side portion above the second door body are rotatably connected,
When the folding door is in the closed posture, the pedestrian opening is located between the second door tail side portion on the lower side of the first door body and the second door tip side portion on the lower side of the second door body. is formed and
The sliding door frame is composed of a leading edge side vertical frame, a door trailing side vertical frame, an upper frame, and a lower frame, and the first portion of the sliding door frame includes the door trailing side vertical frame and the first portion of the upper frame. and a first portion of the lower frame, wherein the second portion of the sliding door frame comprises the door leading side vertical frame, the second portion of the upper frame, and the second portion of the lower frame; consists of
The first portion of the sliding door frame is fixed to the first viewing surface of the second door body so as to surround the second opening half,
The second portion of the sliding door frame is closely opposed to the first viewing surface of the first door body so as to surround the first half opening when the folding door is in the closed position.

In one aspect, a grid plate portion is provided on either one of the first door tail side portion above the first door body and the first door tip side portion above the second door body,
The batten plate covers a gap between the upper first door tail side portion of the first door body and the upper first door tip side portion of the second door body in the closed posture.
In a mode in the embodiment described later, either the first door bottom side portion on the upper side of the first door body or the first door end side portion on the upper side of the second door body has an evacuation connecting tunnel side A batten is provided at the position of
When the batten is in a closed position, the batten is configured to provide an evacuation communication for the gap between the upper first door tail side portion of the first door body and the upper first door tip side portion of the second door body. Cover from the pit side.

In one aspect, the folding door is locked to the skeleton (for example, the frame or the floor surface) by the first operation of the operation unit and is maintained in the closed posture, and the second operation of the operation unit is performed. It becomes possible to open by canceling the locked state with respect to the frame.
In one aspect, when the folding door is in the closed posture, the first door body is locked to the frame (upper frame of the frame body, floor surface) at the upper end portion and the lower end portion, and the second door body is engaged at the upper end portion and the lower end portion. The closed position of the folding door is fixed by engaging with the frame (upper frame of the frame, floor surface) at the site.
In one aspect, when the folding door is in the closed posture, the door tip side portion of the first door body is engaged with the frame (the door tip side vertical frame of the frame body).
In one aspect, the sliding door frame and the sliding door are provided on the second door body, and when the folding door is in a closed posture, the second door bottom side portion on the lower side of the first door body and the sliding door The door end side vertical frame of the frame is locked.
In one aspect, the sliding door frame and the sliding door are provided on the first door body, and when the folding door is in a closed posture, the second door tip side portion on the lower side of the second door body and the sliding door The door end side vertical frame of the frame is locked.
In one aspect, the first viewing surface of the first door body is provided with an operation portion for fixing the closing posture of the first door body.
In one aspect, a vertical frame is located on the door bottom side of the second half opening and extends in the height direction away from the first viewing surface on the side of the evacuation passageway of the second door body. is provided, and the first sliding door and the second sliding door move in the space between the vertical frame and the first viewing surface, and the second door is located on the viewing surface of the vertical frame An operating part is provided for fixing the closed position of the body.
In one aspect, the means for fixing the closing position of the folding door is a Gremont lock, and the operating part is a Gremont handle.

In the present invention, since the evacuation door is composed of a folding door, pressure is applied to the entire door at the initial movement, but as the folding door is opened, the door can be opened toward the door, so the opening operation force of the folding door gradually increases. It is lighter and has good operability even when wind pressure is acting in the closed posture.
In the present invention, the opening is formed across the first door body on the tip side of the folding door and the second door body on the bottom side of the door. The opening width of the opening can be increased.

It is a front view of the evacuation communication tunnel door (closed posture) seen from the evacuation communication tunnel side. It is a front view of the evacuation connecting shaft door (closed posture) seen from the roadway tunnel side. It is a longitudinal cross-sectional view of an evacuation communication tunnel door. This is a cross section of the evacuation tunnel door (closed position). It is a cross section showing the folding door of the evacuation connecting shaft door in the middle of opening. Fig. 10 is a lateral cross-sectional view of an evacuation connecting pit door (folding door in an open posture); It is a cross section of the lower part (passenger opening) of the emergency access door (closed position). Fig. 3 is a cross-sectional view of the door tip side portion of the sliding door in the closed position; It is a figure which shows the lower end part of the door body by the door tip side of a folding door.

A mode for carrying out the present invention will be described based on the drawings. The evacuation tunnel door according to this embodiment is installed in an opening 1 that communicates an evacuation tunnel and a roadway tunnel. In the figure, A indicates the roadway tunnel side, B indicates the evacuation tunnel side, and W indicates the wall surface of the evacuation tunnel.

The opening 1 is formed in a region surrounded by a four-circumferential frame 2 provided in the frame. The frame 2 includes left and right vertical frames 20 and 21, an upper frame 22, a lower frame 23, The opening 1 is opened and closed by a folding door attached to the frame 2. In this embodiment, the folding door is composed of a first door body 3 on the front end side and a second door body 4 on the rear end side. The door bottom side portion of the first door body 3 and the door tip side portion of the second door body 4 are rotatably connected, and the door tip side end portion of the first door body 3 is movable in the width direction of the opening. The door trailing edge side end of the second door 4 is rotatably supported with respect to the frame 2 . The width dimension of the first door body 3 and the width dimension of the second door body 4 are substantially the same.

The first width dimension of the first door body 3 and the second width dimension of the second door body 4 are such that the sum of these dimensions is substantially the same as the opening width of the opening 1, The opening 1 is closed by the first door 3 and the second door 4 in the closed posture (Figs. 1, 2 and 4). The folding door consisting of the first door body 3 and the second door body 4 is designed to open the opening 1 by bending and rotating so as to protrude from the closed posture toward the evacuation tunnel side B ( Figure 5). The opening 1 is a vehicle opening through which vehicles can pass, and as shown in FIG. A roadway effective opening width is obtained. By constructing the evacuation tunnel door from a folding door, compared to the case of constructing a double door (it is necessary to form chipping on the upper part of each parent door and child door when opened), chipping can be done only on one side. can be formed, the amount of chipping of the ceiling portion can be reduced. A locking rod capable of vertical movement (as a non-limiting example, a vertical frame 9 on the door front side of the sliding door frame) is attached to the lower portion of the folding door (one or both of the first door body 3 and the second door body 4). ) may be provided, and the locking rod may be locked in a locking hole provided at a predetermined position on the floor to fix the open posture of the folding door.

When the folding door is in the closed posture, an opening 5 as a pedestrian opening is formed so as to straddle the door bottom side half of the first door body 3 and the door tip side half of the second door body 4, One half of the opening 5 (first opening half 50 ) is formed in the first door 3 , and the other half of the opening 5 (second opening half 51 ) is formed in the second door 4 . is formed in The opening 5 is opened and closed by a single sliding door consisting of a first slide door 6 and a second slide door 7 provided on the second door body 4 . When the folding door is in the closing posture, the first opening half 50 is mainly closed by the first slide door 6 and the second opening half 51 is mainly closed by the second slide door 7 . The first sliding door 6 in the closed posture slides toward the door bottom side of the second door body 4, thereby opening the first opening half portion 50, and further, the first sliding door 6 and the second sliding door in the closed posture move. The sliding door 7 slides toward the door bottom side of the second door body 4 to open the second half opening 51 and form the opening 5 .

The first door body 3 has a first viewing surface 30 positioned on the evacuation tunnel side B when the first door body 3 is in the closed posture, and a roadway tunnel side A when the first door body 3 is in the closed posture. A second viewing surface 31, a door leading edge side end face 32 extending over the entire height of the first door body 3, a first door tail side end face 33 on the upper side, and a door leading side with respect to the first door trailing side end face 33 an intermediate horizontal surface 35 connecting the lower end of the first door trailing end face 33 and the upper end of the second door trailing end face 34; It has an upper end face 36 extending across and a lower end face 37 located at the lower end of the half width of the first door body 3 on the door tip side. A handle H3 is provided at a predetermined height substantially in the center of the width direction of the first viewing surface 30 of the first door member 3 .

A hanger roller HR is provided at the edge of the upper end surface 36 of the first door body 3 on the door tip side, and the hanger roller HR rolls on the hanger rail 220 extending in the width direction of the opening in the upper frame 22. The first door body 3 moves in the width direction of the opening while rotating about the door trailing edge side as a rotation fulcrum. Further, a guide roller GR is provided at the end portion of the lower end surface 37 of the first door member 3 on the door tip side so as to roll on a guide rail 230 formed on the lower frame 23 so as to extend across the width direction of the opening. (See FIG. 9). By supporting and guiding the upper and lower ends of the first door body 3 on the door tip side by the hanger roller HR and the guide roller GR, a stable opening and closing operation can be obtained.

The intermediate horizontal surface 35 and the second trailing edge side end surface 34 of the first door 3 are the upper surface and the trailing edge side surface of the first opening half 50 of the opening 5, respectively. The door bottom side portion of the first door body 3 is an upper first door bottom side portion (the first door bottom side end surface 33 and its vicinity) positioned above the door bottom side of the first opening half portion 50 of the opening 5 . ), and a lower second door bottom side portion (the second door bottom side end surface 34 and its neighboring portion) located on the door leading edge side of the first opening half portion 50 of the opening 5 .

The second door body 4 has a first viewing surface 40 positioned on the evacuation tunnel side B when the second door body 4 is in the closed posture, and a roadway tunnel side A when the second door body 4 is in the closed posture. a second viewing surface 41, a door tail side end face 42 extending over the entire height of the second door body 4, an upper first door tip side end face 43, and a door tail side with respect to the first door tip side end face 43 an intermediate horizontal surface 45 connecting the lower end of the first door tip side end face 43 and the upper end of the second door tip side end face 44; It has an upper end surface 46 extending across and a lower end surface 47 positioned at the lower end of the half width of the second door body 4 on the door tail side. A portion of the second door body 4 on the trailing edge side is rotatably attached to a rotation support portion 4 a provided above and below the vertical frame 21 on the door trailing side of the frame body 2 .

An intermediate horizontal surface 45 and a second door tip side end face 44 of the second door 4 are the upper surface and the door tip side surface of the second opening half 51 of the opening 5, respectively. The door tip side portion of the second door body 4 is an upper first door tip side portion (the first door tip side end surface 43 and its vicinity) located above the door tip side of the second opening half portion 51 of the opening 5 . ), and a lower second door tip side portion (second door tip side end face 44 and its vicinity) located on the door bottom side of the second opening half portion 51 of the opening 5 .

A first door tail side portion on the upper side of the first door body 3 and a first door tip side portion on the upper side of the second door body 4 are rotatably connected. When the first door member 3 and the second door member 4 are closed, the first viewing surface 30 of the first door member 3 and the first viewing surface 40 of the second door member 4 are flush with each other. The second viewing surface 31 of the body 3 and the second viewing surface 41 of the second door body 4 are flush with each other, and the first door tail side end face 33 on the upper side of the first door body 3 and the second door body 4 are aligned. The upper first door tip side end face 43 faces closely, and the second door tail side end face 34 on the lower side of the first door body 3 and the second door tip side end face 44 on the lower side of the second door body 4 An opening 5 is formed therebetween.

As shown in FIG. 8, in the present embodiment, a first door tail side end face 33 on the upper side of the first door body 3 and a first door tip side end face 43 on the upper side of the second door body 4 are rotatable by a hinge P. connected to The rotation fulcrum of the hinge P is located on the roadway tunnel side A with respect to the second viewing surface 31 of the first door body 3 and the second viewing surface 41 of the second door body 4 . When the folding door is opened, the first door body 3 and the second door body 4 are bent while the rotation axis of the hinge P protrudes toward the evacuation tunnel side B.

As shown in FIG. 8, in this embodiment, the first viewing surface 40 of the second door member 4 is provided with a batten plate portion 48 so as to protrude from the upper first door tip side end surface 43 . When the folding door is in the closed posture, the airtight member 480 of the batten plate portion 48 provided at the first door tip side portion on the upper side of the first viewing surface 40 of the second door body 4 is in contact with the first opening of the first door body 3 . It is in contact with the first door trailing side portion on the upper side of the viewing surface 30 , and the batten plate portion 48 connects the upper first door trailing side end face 33 of the first door body 3 and the upper side of the second door body 4 . The gap between the end faces 43 on the front side of one door is closed from the side B of the evacuation passageway.

The first sliding door 6 is a rectangular panel when viewed from the front, and has a hanger roller HR1 at its upper end and a guide roller GR1 at its lower end. The first sliding door 6 has a door tip side end face 60, a door tail side end face 61, a first viewing face 62 positioned on the evacuation tunnel side B, and a second viewing face 63 positioned on the roadway tunnel side A. A handle H4 is provided on each of the first viewing surface 62 and the second viewing surface 63 on the side of the door. The second slide door 7 is a rectangular panel when viewed from the front, and has a hanger roller HR2 at its upper end and a guide roller GR2 at its lower end. The second sliding door 7 has a door tip side end face 70, a door trailing side end face 71, a first viewing face 72 positioned on the evacuation tunnel side B, and a second viewing face 73 positioned on the roadway tunnel side A. ing.

A first sliding door 6 and a second sliding door 7 of the sliding door device are positioned on the side B of the evacuation passageway of the folding door in the closed position to open and close the opening 5. is located on the evacuation connecting shaft side B and is provided with a sliding door frame. The sliding door frame consists of a leading edge side vertical frame 9, a door trailing side vertical frame 10 projecting from a first viewing surface 40, an upper frame 11 projecting from a first viewing surface 40, and a first viewing surface. 40 and a lower frame 12 projecting from the lower end of the frame 40. By positioning the lower surface 122 of the lower frame 12 below the upper surface of the lower frame 23, the height of the upper surface of the lower frame 12 and the height of the upper surface of the lower frame 23 are substantially matched to eliminate a substantial step. I have to.

The inside prospective surface of the door tip side vertical frame 9 of the sliding door frame serves as a door stop for the door tip side end surface 60 of the first slide door 6 in the closing posture. The inside prospective surface of the door bottom side vertical frame 10 of the sliding door frame serves as a door stop for the door bottom side end surface 61 of the first slide door 6 and the door bottom side end surface 71 of the second slide door 7 in the open posture. Inside the upper frame 11 of the sliding door frame, two hanger rails 110 and 111 with different levels and a self-closing device DC3 are provided. The upper end of the second sliding door 7 is received. The lower frame 12 of the sliding door frame is provided with convex guide rails 120 and 121 positioned directly below the hanger rails 110 and 111.例文帳に追加

The hanger roller HR1 at the upper end rolls on the hanger rail 110, and the guide roller GR1 at the lower end rolls on the guide rail 120, so that the first slide door 6 can slide in the horizontal direction. The hanger roller HR2 at the upper end rolls on the hanger rail 111, and the guide roller GR2 at the lower end rolls on the guide rail 121, so that the second slide door 7 can slide in the horizontal direction.

When the folding door is in the closed position, the opening 5 is formed between the second door tail side end face 34 on the lower side of the first door body 3 and the second door tip side end face 44 on the lower side of the second door body 4 . The first opening half 50 is mainly closed by the first slide door 6 and the second opening half 51 is mainly closed by the second slide door 7 . When the sliding door is in the closing position, the door tail side portion of the first slide door 6 and the door tip side portion of the second slide door 7 overlap each other.

When the sliding door is in the closing position, the handle H4 provided on the first sliding door 6 is used to open the first sliding door 6, thereby opening the first sliding door 6 and the second sliding door 7. there is More specifically, a first locking piece 630 and a second locking piece 631 are formed at the door bottom side portion of the second viewing surface 63 of the first sliding door 6 , and the first locking piece 630 and the second locking piece 631 of the second sliding door 7 are formed. A first locking piece 720 is formed on the edge side portion of the viewing surface 72, and a second locking piece 721 is formed on the bottom side portion of the door. A third locking piece 730 is formed at the side portion. When the sliding door is in the closed position, the door trailing side portion of the second viewing surface 63 of the first sliding door 6 and the door leading side portion of the first viewing surface 72 of the second sliding door 7 face each other with a space therebetween. The first locking piece 630 of the slide door 6 and the first locking piece 720 of the second slide door 7 are engaged (see FIG. 4). The third locking piece 730 of the second slide door 7 is engaged with the locking piece 440 formed adjacent to the second door tip side end surface 44 on the first viewing surface 40 of the second door body 4 . there is When the first sliding door 6 slides in the opening direction, the second locking piece 631 of the first sliding door 6 moving toward the door bottom engages the second locking piece 721 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 take an open posture.

The sliding door device has an automatic closing mechanism for automatically closing the manually opened first slide door 6. - 特許庁When the first slide door 6 is slid in the closing direction by the automatic closing mechanism from the open position, the first locking piece 630 of the first sliding door 6 moving toward the door edge side engages the first locking piece of the second slide door 7. 720, the first slide door 6 and the second slide door 7 are integrally slid in the closing direction to assume the closing position. The automatic closing mechanism includes a wire α extending horizontally in the movement direction of the first slide door 6 and the second slide door 7, and an automatic closing mechanism which is provided at the door tip side portion of the upper frame 9 and winds the wire α on the door tip side. A closing device DC3 and a winding device 112 which is provided at a door tail side portion of the upper frame 9 and winds the door tail side of the wire α. closed direction).

A hanger roller HR1 fixed to the upper end of the first slide door 6 has a portion through which the wire α is inserted, and a contacting body (metal fitting) is fixed to the wire α, positioned on the door bottom side of the insertion portion. there is When the first slide door 6 is moved toward the door bottom side (opening direction), the wire α is pulled out toward the door bottom side (opening direction) by the insertion portion pushing the abutting body on the wire α, and is wound up. It is wound around the device 112 . As the wire α moves toward the door tip side (closing direction), the abutting body fixed to the wire α comes into contact with the insertion portion of the hanger roller HR1, and the hanger roller HR1 moves from the door trailing edge side toward the door tip side. By pushing, the first slide door 6 is moved toward the door tip (closing direction). When the first slide door 6 in the closed posture is manually slid toward the door trailing edge (opening direction) against the biasing force of the self-closing device DC3, the wire α is drawn out from the self-closing device DC3 toward the door trailing edge. , and the first slide door 6 and the second slide door 7 are opened. After the first slide door 6 and the second slide door 7 are kept open for a predetermined period of time by a timer, for example, the closing force of the self-closing device DC3 causes the wire α to move in the closing direction. to close the opening 5.

The door tip side portion of the sliding door frame (upper frame 11, lower frame 12) is an extension portion extending beyond the first door tip side end face 43 on the upper side of the second door body 4, and the tip of the extension portion , and a door leading edge side vertical frame 9 is fixedly supported between the door leading edge side end portion of the upper frame 11 and the door leading edge side end portion of the lower frame 12 . That is, the sliding door frame includes a first portion fixed to the first viewing surface 40 of the second door body 4 and a second door frame extending beyond the first door tip side end face 43 on the upper side of the second door body 4 . consisting of a part; More specifically, the first part of the sliding door frame is composed of a door trailing side vertical frame 10, a door trailing side first part of the upper frame 11, and a door trailing side first part of the lower frame 12. The second part of the frame consists of the door leading edge side vertical frame 9, the door leading edge side second part of the upper frame 11, and the door leading edge side second part of the lower frame 12. - 特許庁

The first portion of the sliding door frame (door trailing side vertical frame 10, upper frame 11, and lower frame 12) is the first viewing surface of the second door 4 so as to surround the second half opening 51. 40, and the second portion of the sliding door frame (door leading side vertical frame 9, upper frame 11, and lower frame 12) is positioned so as to cover the first opening half 50 when the folding door is closed. It is closely opposed to the first viewing surface 30 of the first door 3 so as to surround it. When the folding door is opened, the second portion of the sliding door frame rotates away from the first viewing surface 30 of the first door member 3 in accordance with the rotation of the second door member 4 (see FIG. 5). In this embodiment, the opening 5 is formed across the first door 3 and the second door 4, but the sliding door frame of the sliding door and the first sliding door 6 and the second sliding door 7 are the first and second sliding doors. It is provided on the second door body 4 and rotates integrally with the second door body 4 when the folding door is opened and closed.

In the present embodiment, when the folding door is in the closed posture, the end portion of the second viewing surface 31 of the first door body 3 on the door leading edge side is pressed against the airtight member S provided on the vertical frame 20, and the second viewing is performed. The upper end of the attaching surface 31 is pressed against the airtight member S provided on the upper frame 22, and the edge of the second opening surface 41 of the second door 4 on the side of the door bottom is attached to the airtight member S provided on the vertical frame 21. , and the upper end of the second viewing surface 41 is pressed against an airtight member S provided on the upper frame 22 . In this embodiment, the closing position of the folding doors (the first door member 3 and the second door member 4) is fixed by being locked with a Gremont lock. As shown in FIG. 1, in this embodiment, the means for fixing the closing position of the first door 3 includes a locking portion L1 that fixes the door tip side portion to the door tip side vertical frame 20 of the frame body 2, and An engaging portion L2 fixed to the floor FL, an engaging portion L3 fixing the lower portion of the door tail side portion to the door tip side vertical frame 9 of the sliding door frame, and the door tip side portion of the upper end portion to the frame body 2. An engaging portion L4 fixed to the upper frame 22, an engaging portion L5 fixing the door tail side portion of the upper end portion to the upper frame 22 of the frame body 2, and a lower portion of the door tail side portion of the sliding door frame. A locking portion L6 fixed to the front side vertical frame 9 is provided. The means for fixing the closed posture of the second door 4 includes a locking portion L7 for fixing the lower end portion to the floor FL, and a locking portion L8 for fixing the upper end portion to the upper frame 22. As shown in FIG.

In the first door body 3, the locking portions L1 to L6 are locked (locked) and unlocked by rotating the Gremont handle H1 (locking by the first operation, unlocking by the second operation). It is designed to take a locked posture. The Gremont handle H1 and the engaging portions L1 to L6 are provided on the first viewing surface 30 of the first door member 3. As shown in FIG. The gremon handle H1 and the locking portion L2 are connected by a lower vertical rod 13, the locking portion L2 and the locking portion L3 are connected by a lower horizontal rod 14, and the gremon handle H1 and the locking portion L4 are connected. The upper vertical rod 15 connects the locking portion L4 and the locking portion L5, and the upper horizontal rod 16 connects the locking portion L4 and the locking portion L5. ing. The lower vertical rod 13, the lower horizontal rod 14, the upper vertical rod 15, the upper horizontal rod 16, and the upper vertical rod 17 move axially in conjunction with the turning operation of the Gremont handle H1. By rotating the Gremmont handle H1, the locking portions L1 to L6 assume a locking posture (locking posture) and an unlocking posture.

In the second door body 4, the locking portions L7 and L8 are released from the locked posture (locked posture) by the turning operation of the Gremont handle H2 (locking by the first operation, releasing the locked state by the second operation). It is designed to take a locked posture. On the evacuation passageway side B of the second door body 4, a columnar vertical frame 8 is positioned on the door bottom side of the second opening half 51 and extends in the height direction away from the first viewing surface 40. The first slide door 6 and the second slide door 7 move in the space between the vertical frame 8 and the first viewing surface 40 (see FIG. 7). At a predetermined height position on the viewing surface 80 of the vertical frame 8, there is provided a Gremont handle H2, which is an operating portion for holding the closed position of the second door member 4. As shown in FIG. In this embodiment, the vertical frame 8 extends over the entire height of the second door body 4, and the lower end of the vertical frame 8 is the tip side of the lower frame 12 projecting from the first viewing surface 40 toward the evacuation connecting road side B. The upper end of the vertical frame 8 is fixed to a support member 81 projecting from the first viewing surface 40 . The locking portions L7 and L8 are provided at the upper end portion and the lower end portion of the viewing surface 80 of the vertical frame 8, respectively. The gremon handle H2 and the locking portion L7 are connected by a lower vertical rod 18, and the gremon handle H2 and the locking portion L8 are connected by an upper vertical rod 19. As shown in FIG. The lower vertical rod 18 and the upper vertical rod 19 are adapted to move in the axial direction in conjunction with the turning operation of the Gremont handle H2. It is designed to take a locking posture (locking posture) and an unlocking posture.

Taking FIGS. 3 and 9 as an example, the Gremone lock consists of a Gremone handle, a rod that moves in the axial direction by turning the Gremone handle, and an end of the rod that is interlocked with the movement of the rod in the axial direction. Locking members (illustrated by 180 and 190 in FIG. 3, 130 in FIG. 9) and receiving holes (illustrated by 181 and 191 in FIG. 9 and 131), and by rotating the gremon handle in the locking direction, the locking members (180, 190, 130) are in the locking posture via the rod that moves in the axial direction, and the receiving hole (181, 191, 131) are locked and locked, and the gremon handle is rotated in the unlocking direction to engage the locking members (180, 190, 130) via the axially moving rod. It assumes the unlocking posture and is released from the receiving holes (181, 191, 131) to be in the unlocked state.

In this embodiment, a receiving frame 200 is provided at a predetermined height in the height direction of the vertical frame 20 on the side of the door of the frame body 2 so as to protrude toward the evacuation passageway side B. 200A is formed, and by locking the locking member 132 to the receiving hole 200A at the locking portion L1, the door tip side end portion of the first door body 3 and the door tip side vertical frame 20 are fixed. . A receiving hole 141 for the locking portion L3 is formed on the lower side of the outer projection surface of the vertical frame 9 of the sliding door frame, and a receiving hole 141 for the locking portion L6 is formed on the upper side. 171 is formed, and the locking members 140 and 170 are locked to the receiving holes 141 and 171, respectively, so that the locking portions L3 and L6 are connected to the bottom side portion of the first door body 3 and the sliding door. A vertical frame 9 on the door end side of the frame is fixed.

In the evacuation connecting shaft door constructed in this manner, the opening 1 is normally closed by the folding 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, the gremon handle H1 is turned to unlock the first door body 3 and the gremon handle H2 is turned to open the second door body 4. By unlocking the closed posture of , holding the handle H3 and opening the first door body 3 and the second door body 4 to the side of the evacuation communication tunnel B so as to fold them, the folding door is taken as an open posture and the vehicle opening to form When the folding door is opened, pressure is applied to the entire door (first door body 3 + second door body 4) in the initial movement, but as the folding door is opened, an opening is formed from the door edge side of the first door body 3. Therefore, the opening operation force becomes lighter gradually. Prior to opening the first door body 3, the sliding door (first sliding door 6, or first sliding door 6 and second sliding door 7) is opened to reduce the pressure acting on the surface of the folding door. You can open the folding door.

When it is desired to form an emergency opening in the event of a disaster, the handle H4 can be grasped to open the first sliding door 6 and the second sliding door 7, thereby maintaining the closed position of the folding door. An opening can be formed. Since the opening 5 forming the access opening is formed across the first door 3 and the second door 4, compared to the case where the access opening is formed only in one door, It is easy to secure a large width of the opening for the humanitarian.

1 opening (vehicle opening)
20 door side vertical frame (framework)
22 Upper frame (framework)
3 First door body (folding door)
30 First viewing surface 31 Second viewing surface 33 Upper first door trailing end face 34 Lower second door trailing end face 4 Second door body (folding door)
40 first viewing surface 41 second viewing surface 43 upper first door tip side end face 44 lower second door tip side end face 48 grid plate portion 5 opening (passage opening)
50 First opening half 51 Second opening half 6 First slide door (sliding door)
7 Second sliding door (sliding door)
9 Door front side vertical frame of sliding door frame 10 Door bottom side vertical frame of sliding door frame (framework)
11 Upper frame 12 Lower frame A Roadway tunnel side B Evacuation tunnel side L1 to L8 Locking part FL Floor surface (framework)

Claims (7)

An evacuation door comprising: a folding door that opens and closes a vehicle opening that communicates with an evacuation tunnel and a roadway tunnel; and a sliding door that opens and closes a pedestrian opening formed in the folding door,
The folding door is composed of a first door body on the leading edge side and a second door body on the trailing edge side. and the opening half formed on the door tip side of the second door body continuously form the pedestrian opening,
The sliding door frame and the sliding door of the sliding door are provided on either the first door body or the second door body,
escape door. The sliding door is a single sliding door consisting of a first sliding door and a second sliding door,
When the sliding door is closed, the first sliding door mainly closes one half of the opening, and the second sliding door mainly closes the other half of the opening.
The evacuation door according to claim 1. The sliding door frame comprises a first portion fixed to the one door body and a second portion extending beyond the door tip side portion of the one door body,
The first part of the sliding door frame is fixed to the one door so as to surround the half opening formed in the one door,
The second part of the sliding door frame is close to or in contact with the other door body so as to surround the opening half formed in the other door body when the folding door is in the closed posture.
The evacuation door according to any one of claims 1 and 2. The first door body includes a first viewing surface, a second viewing surface, a first door tail side portion positioned above the opening half, and a lower portion positioned on the door tip side of the opening half. and a second door bottom side portion on the side,
The second door body includes a first viewing surface, a second viewing surface, a first front side portion located above the half opening, and a bottom portion located on the bottom side of the half opening. and a second door end side portion on the side,
the first door tail side portion above the first door body and the first door tip side portion above the second door body are rotatably connected,
When the folding door is in the closed posture, the pedestrian opening is located between the second door tail side portion on the lower side of the first door body and the second door tip side portion on the lower side of the second door body. is formed and
The sliding door frame comprises a leading edge side vertical frame, a door trailing side vertical frame, an upper frame and a lower frame, and the first portion of the sliding door frame includes the door trailing side vertical frame and the first portion of the upper frame. and a first portion of the lower frame, wherein the second portion of the sliding door frame comprises the door leading side vertical frame, the second portion of the upper frame, and the second portion of the lower frame; consists of
The first portion of the sliding door frame is fixed to the first viewing surface of the one door body so as to surround the half opening formed in the one door body,
The second portion of the sliding door frame faces the first viewing surface of the other door body so as to surround the half opening formed in the other door body when the folding door is in the closed posture. there is
The evacuation door according to claim 3. A grid plate portion is provided on either one of the first door tail side portion on the upper side of the first door body and the first door tip side portion on the upper side of the second door body,
The batten part covers a gap between the upper first door trailing side portion of the first door body and the upper first door tip side portion of the second door body in the closed posture,
The escape door according to claim 4. When the folding door is in the closed posture, the first door body is locked to the frame at the upper end portion and the lower end portion, and the second door body is locked to the frame at the upper end portion and the lower end portion. fixed,
The evacuation door according to any one of claims 1-5 . When the other door body is the first door body when the folding door is in the closed posture, the second door bottom side portion on the lower side of the other door body and the door leading edge side vertical frame of the sliding door frame is locked,
When the other door body is a second door body, the second door tip side portion on the lower side of the other door body and the door tip side vertical frame of the sliding door frame are locked,
The evacuation door according to any one of claims 4 to 6 (limited to dependent claims of claim 4).

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