JP2020105843A - Escape door - Google Patents

Abstract

To provide an escape door in a folding door type provided with a simpler structure as securing a larger opening width of an opening section for a man way.SOLUTION: For an escape door provided with a folding door opening/closing an opening part for vehicles communicating an escaping communication tunnel to a roadway tunnel and a sliding door opening/closing an opening part for a man way formed in the folding door, the folding door is composed of a first door body 3 at a door end side and a second door body 4 at a door tail side. A first opening half part 50 formed at the door tail side of the first door body 3 and a second opening half part 51 formed at the door end side of the second door body 4 consecutively form an opening part 5 (the opening part for the man way), and sliding frames (a door end side vertical frame 9, a door tail side vertical frame 10, an upper frame 11, a lower frame 12) of the sliding door and sliding doors 6, 7 are arranged in the second frame body 4.SELECTED DRAWING: Figure 5

Description

The present invention relates to an evacuation door installed in an opening that connects an evacuation contact pit and a roadway tunnel.

On highways, etc. where the up and down roads run in parallel at intervals, an evacuation connection pit is provided to connect the up and down road tunnels. An evacuation door is provided at the opening that connects the evacuation contact pit and the roadway tunnel.

As such an evacuation door, a disaster prevention door for an evacuation contact tunnel disclosed in Patent Document 1 is configured by a folding door that opens and closes an opening of the tunnel and a sliding door provided on the folding door. It is characterized in that the vehicle evacuation opening is formed by opening the door, and the humanitarian evacuation opening is formed by opening the sliding door. The evacuation contact pit door disclosed in Patent Document 1 is composed of a first folding door formed of two panels and a second folding door formed of two panels, and a sliding door is provided on one panel of the first folding door. However, the number of parts was large.
JP 2002-138774 A

An object of the present invention is to provide a folding door type evacuation door having a simpler structure while ensuring a larger opening width of the humanitarian opening.

The technical means adopted by the present invention are:
In an evacuation door including a folding door that opens and closes a vehicle opening that communicates with the evacuation contact pit and a road tunnel, and a sliding door that opens and closes a humanitarian opening formed in the folding door,
The folding door includes a first door body on the door tip side and a second door body on the door tail side, and an opening half portion formed on the door tail side of the first door body when the folding door is in the closed posture. The (first opening half) and the opening half (second opening half) formed on the door tip side of the second door body continuously form the humanitarian opening,
The sliding door frame and the sliding door of the sliding door are provided on any one of the first door body and the second door body,
The evacuation door.
In one aspect, the sliding door is provided on the side where the folding door is bent. In the embodiment described later, in the folding door that bends toward the evacuation contact pit side, a sliding door is provided on the evacuation contact pit side of the folding door.

In one aspect, the sliding door is a single sliding door including a first sliding door and a second sliding door,
When the sliding door is in the closed position, the first slide door mainly closes one opening half and the second slide door mainly closes the other opening half.
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. When the door closes the second opening half, the first sliding door slightly closes the first opening half and the second opening half, and the second sliding door closes most of the second opening half. In some cases, the second sliding door may slightly close the second opening half and the first opening half, and the first sliding door may close most of the first opening half.

In one aspect, the sliding door frame includes a first portion fixed to the one door body, and a second portion extending beyond a door front side portion of the one door body,
The first portion of the sliding door frame is fixed to the one door body so as to surround an opening half portion formed in the one door body,
The second portion of the sliding door frame is in proximity 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.
In one aspect, the sliding door frame and the sliding door are provided in the second door body,
The sliding door frame includes a first portion fixed to the second door body, and a second portion extending beyond the door-end 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 portion,
The second portion of the sliding door frame is close to or abuts the first door body so as to surround the first opening half portion 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 includes a first portion fixed to the first door body and a second portion extending beyond a door-end 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 portion,
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 posture.

In one aspect, the first door body includes a first finding surface, a second finding surface, a first door butt side portion located above the opening half portion, and a door tip of the opening half portion. A second lower door end portion located on the side,
The second door body includes a first finding surface, a second finding surface, a first door tip side portion located on the upper side of the opening half, and a lower portion located on the door butt side of the opening half. A second door-side portion on the side,
The first door end 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 are rotatably connected,
In the closed posture of the folding door, the humanitarian opening is provided between the second door tail side portion below the first door body and the second door tip side portion below the second door body. Has been formed,
The sliding door frame includes a door front side vertical frame, a door rear side vertical frame, an upper frame, and a lower frame, and the first portion of the sliding door frame is the door rear side vertical frame and a first portion of the upper frame. And a first portion of the lower frame, the second portion of the sliding door frame, the door-end vertical frame, the second portion of the upper frame, the second portion of the lower frame, Consists of
The first portion of the sliding door frame is fixed to the first finding surface of the one door body so as to surround an opening half portion formed in the one door body,
The second portion of the sliding door frame closely opposes the first finding surface of the other door body so as to surround the opening half part formed in the other door body when the folding door is in the closed posture. There is.
In the aspect in the embodiment described later, the first door body includes a first finding surface located on the evacuation contact pit side, a second finding surface located on the roadway tunnel side, and an upper side of the first opening half portion. A first door butt side portion located at, and a lower second door butt side portion located at the door tip side of the first opening half,
The second door body includes a first finding surface located on the evacuation contact pit side, a second finding surface located on the roadway tunnel side, and a first door end side located on the upper side of the second opening half. A portion and a lower second door tip side portion located on the door butt side of the second opening half,
The first door end 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 are rotatably connected,
In the closed posture of the folding door, the humanitarian opening is provided between the second door tail side portion below the first door body and the second door tip side portion below the second door body. Has been formed,
The sliding door frame includes a door front side vertical frame, a door rear side vertical frame, an upper frame, and a lower frame, and the first portion of the sliding door frame is the door rear side vertical frame and a first portion of the upper frame. And a first portion of the lower frame, the second portion of the sliding door frame, the door-end vertical frame, the second portion of the upper frame, the second portion of the lower frame, Consists of
The first portion of the sliding door frame is fixed to the first finding surface of the second door body so as to surround the second opening half portion,
The second portion of the sliding door frame closely faces the first finding surface of the first door body so as to surround the first opening half portion when the folding door is in the closed posture.

In one aspect, an eye plate portion is provided on one of the first door end 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 eye plate portion covers a gap between the upper first door rear side portion of the first door body and the upper first door front side portion of the second door body when in the closed posture.
In the aspect in the embodiment described later, one of the first door end 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 has an evacuation contact pit side. Is provided with an eye plate part,
In the closed posture, the eye plate portion provides evacuation contact between the upper first door end 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 brought into a locked state with respect to a skeleton (for example, a frame body or a floor surface) by the first operation of the operation section, and the closed posture is maintained, and the second operation of the operation section As a result, the locked state with respect to the skeleton is released, so that it can be opened.
In one aspect, when the folding door is in the closed posture, the first door body is locked to the body (upper frame of the frame body, floor surface) at the upper end portion and the lower end portion, and the second door body is at the upper end portion and the lower end portion. The closed posture of the folding door is fixed by locking the body (upper frame of the frame, floor surface) at the part.
In one aspect, when the folding door is in the closed posture, the door end side portion of the first door body is locked to the skeleton body (door end 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 tail side portion and the sliding door below the first door body. The frame is locked to the vertical frame on the door end side.
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 below the second door body and the sliding door. The frame is locked to the vertical frame on the door end side.
In one aspect, an operation unit for fixing the closed posture of the first door body is provided on the first finding surface of the first door body.
In one aspect, on the evacuation contact pit side of the second door body, a vertical frame that is located on the door tail side of the second opening half portion and is separated from the first finding surface and extends in the height direction. Is provided, and the first slide door and the second slide door move in a space between the vertical frame and the first finding surface, and the second door is provided on the finding surface of the vertical frame. An operation unit for fixing the closed posture of the body is provided.
In one aspect, the closing posture fixing means of the folding door is a gremone lock, and the operation portion is a gremone handle.

In the present invention, since the evacuation door is composed of a folding door, the initial movement receives pressure on the entire door, but as the folding door is opened, an opening can be made on the door tip side, so the opening operation force of the folding door gradually increases. It becomes lighter, and operability is good even when wind pressure is applied in the closed posture.
In the present invention, since the opening is formed across the first door body on the door end side of the folding door and the second door body on the door tail side, compared with the case where the opening is formed on one door body, The opening width of the use opening can be increased.

It is a front view of the evacuation contact pit door (closed posture) viewed from the evacuation contact pit side. It is a front view of the evacuation contact pit door (closed posture) viewed from the roadway tunnel side. It is a longitudinal cross-sectional view of the evacuation contact shaft door. It is a cross section of the evacuation contact shaft door (closed posture). It is a cross section showing the opening of the folding door of the evacuation contact pit door. It is a cross-sectional view of the evacuation contact shaft door (folding door is in an open posture). It is a cross section of the lower part (humanitarian opening) of the evacuation contact pit door (closed posture). It is a cross-sectional view of the door side portion of the sliding door in the closed posture. It is a figure which shows the lower end part of the door body at the door end side of a folding door.

A mode for carrying out the present invention will be described based on the drawings. The evacuation contact shaft door according to the present embodiment is installed in the opening 1 that connects the evacuation contact shaft and the roadway tunnel. In the figure, A represents the roadway tunnel side, B represents the evacuation contact pit side, and the wall surface of the evacuation contact pit is represented by W.

The opening 1 is formed in a region surrounded by a quadrilateral frame body 2 provided on the body, and the frame body 2 includes left and right vertical frames 20, 21, an upper frame 22, and a lower frame 23. The opening 1 is configured to be opened and closed by a folding door attached to the frame body 2. In the present embodiment, the folding door includes the first door body 3 on the door end side and the second door body 4 on the door tail side. The door end 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 opening width direction. The second door body 4 is supported, and the rear end of the second door body 4 is rotatably supported with respect to the frame body 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 have dimensions such that their sum is substantially the same as the opening width of the opening portion 1, The opening 1 is closed by the first door body 3 and the second door body 4 in the closed posture (FIGS. 1, 2, and 4). The folding door composed of the first door body 3 and the second door body 4 is bent and pivoted so as to project from the closed posture to the evacuation communication pit side B, thereby opening the opening 1 ( (Figure 5). The opening 1 is a vehicle opening through which the vehicle can pass, and as shown in FIG. 6, the first door body 3 and the second door body 4 extend along one of the frames W so that they are folded and folded. A roadway effective opening width can be obtained. By configuring the evacuation contact pit door with a folding door, compared to the case with a double door (it is necessary to form a chisel in each upper part of the parent door and child door when opened) Since it is sufficient to form the above, it is possible to reduce the amount of chipping in the ceiling portion. A locking rod that can be moved up and down at a lower portion of the folding door (one or both of the first door body 3 and the second door body 4) (as a non-limiting example, the outer side of the door-side vertical frame 9 of the sliding door frame) It may be provided on the surface) and the locking rod is locked in a locking hole provided at a predetermined position on the floor surface to fix the open position of the folding door.

When the folding door is in the closed posture, the opening 5 as a humanitarian opening is formed so as to straddle the door tail 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 body 3, and the other half of the opening 5 (second opening half 51) is the second door 4. Is formed in. The opening 5 is opened and closed by a sliding door that is provided on the second door body 4 and includes a first slide door 6 and a second slide door 7. When the folding door is in the closed position, 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 slide door 6 in the closed position slides toward the door tail side of the second door body 4 to open the first opening half 50, and further, the first slide door 6 and the second in the closed position. The sliding door 7 slides toward the door tail side of the second door body 4, thereby opening the second opening half portion 51 and forming the opening portion 5.

The first door body 3 is positioned on the evacuation contact mine side B when the first door body 3 is closed, and on the roadway tunnel side A when the first door body 3 is closed. The second finding surface 31, the door end side end surface 32 extending over the entire height of the first door body 3, the upper first door end side end surface 33, and the door end side with respect to the first door end side end surface 33. The lower second door end side end surface 34 located at, the intermediate horizontal plane 35 connecting the lower end of the first door end side end surface 33 and the upper end of the second door end side end surface 34, and the entire width of the first door body 3. It has an upper end surface 36 extending over and a lower end surface 37 located at the lower half-width lower end of the first door body 3 on the door tip side. A handle H3 is provided at a predetermined height at a substantially central portion in the width direction of the first finding surface 30 of the first door body 3.

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

The intermediate horizontal surface 35 and the second door end side surface 34 of the first door body 3 are the upper surface and the door end side surface of the first opening half 50 of the opening 5, respectively. The door butt side portion of the first door body 3 is an upper first door butt side portion (the first door butt side end surface 33 and its vicinity) that is located above the door butt side of the first opening half 50 of the opening 5. Portion) and a lower second door butt side portion (the second door butt side end surface 34 and a portion in the vicinity thereof) located on the door tip side of the first opening half portion 50 of the opening 5.

The second door body 4 is positioned on the evacuation contact mine side B when the second door body 4 is in the closed posture, and on the road tunnel side A when the second door body 4 is in the closed posture. The second finding surface 41, the door end side end surface 42 extending over the entire height of the second door body 4, the upper first door end side end surface 43, and the door end side with respect to the first door end side end surface 43. The lower second door end side end surface 44 located at, the intermediate horizontal plane 45 connecting the lower end of the first door end side end surface 43 and the upper end of the second door end side end surface 44, and the entire width of the second door body 4. It has an upper end surface 46 that extends over and a lower end surface 47 that is located at the lower half-width lower end of the second door body 4 on the side of the door. The tail end side portion of the second door body 4 is rotatably attached to the pivot support portion 4 a provided above and below the door end side vertical frame 21 of the frame body 2.

The intermediate horizontal surface 45 and the second door end side end surface 44 of the second door body 4 are the upper surface and the door end side surface of the second opening half 51 of the opening 5, respectively. The door-end-side portion of the second door body 4 is an upper first door-end-side portion (the first door-end-side end surface 43 and its vicinity) that is located above the door-opening side of the second opening half 51 of the opening 5. Portion) and a lower second door-end side portion (the second door-end side end surface 44 and a portion in the vicinity thereof) located on the door tail side of the second opening half portion 51 of the opening 5.

The upper first door end side portion of the first door body 3 and the upper first door tip side portion of the second door body 4 are rotatably connected. When the first door body 3 and the second door body 4 are in the closed posture, the first finding surface 30 of the first door body 3 and the first finding surface 40 of the second door body 4 are flush with each other. The second finding surface 31 of the body 3 and the second finding surface 41 of the second door body 4 are flush with each other, and the first door end side end surface 33 on the upper side of the first door body 3 and the second door body 4 The upper first door end side end surface 43 is closely opposed to each other, and the first door body 3 has a lower second door end side end surface 34 and the second door body 4 has a lower second door end side end surface 44. An opening 5 is formed between them.

As shown in FIG. 8, in the present embodiment, the upper first door end side end surface 33 of the first door body 3 and the upper first door front side end surface 43 of the second door body 4 are rotatable by a hinge P. Is linked to. The rotation fulcrum of the hinge P is located on the roadway tunnel side A with respect to the second finding surface 31 of the first door body 3 and the second finding 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 pivot axis of the hinge P projects toward the evacuation contact pit side B.

As illustrated in FIG. 8, in the present embodiment, the first finding surface 40 of the second door body 4 is provided with the eye plate portion 48 so as to project from the upper first door-end side end surface 43. When the folding door is in the closed posture, the airtight member 480 of the eye plate part 48 provided at the first door end side portion on the upper side of the first finding surface 40 of the second door body 4 is the first door body 3 first. It contacts the upper first door end side portion of the finding surface 30, and the eye plate portion 48 allows the upper first door end side surface 33 of the first door body 3 and the upper first door end side of the second door body 4. The gap between the one door end side end faces 43 is closed from the evacuation contact pit side B.

The first slide door 6 is a rectangular panel when viewed from the front, and has a hanger roller HR1 provided at the upper end and a guide roller GR1 provided at the lower end. The first sliding door 6 includes a door end side end surface 60, a door end side end surface 61, a first finding surface 62 located on the evacuation contact mine side B, and a second finding surface 63 located on the roadway tunnel side A. A handle H4 is provided at the door end side portion of the first finding surface 62 and the second finding surface 63. The second slide door 7 is a rectangular panel in front view, and has a hanger roller HR2 provided at the upper end and a guide roller GR2 provided at the lower end. The second slide door 7 includes a door end side end surface 70, a door end side end surface 71, a first finding surface 72 located on the evacuation contact pit side B, and a second finding surface 73 located on the roadway tunnel side A. ing.

The first sliding door 6 and the second sliding door 7 of the sliding door device are located on the evacuation contact pit side B of the folding door in the closed posture to open and close the opening 5, and the second door body 4 is provided. Is located on the evacuation contact pit side B and is provided with a sliding door frame. The sliding door frame includes a door-end side vertical frame 9, a door-end side vertical frame 10 projecting from the first finding surface 40, an upper frame 11 projecting from the first finding surface 40, and a first finding surface. It is a four-sided frame consisting of a lower frame 12 protruding from the lower end of 40, and the door-end side vertical frame 9 is supported between the tip of the upper frame 11 and the tip of the lower frame 12. By arranging 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 made to substantially coincide with each other so that a substantial step is eliminated. I have to.

The inwardly projected surface of the door-end vertical frame 9 of the sliding door frame serves as a door stop for the door-end side end surface 60 of the first slide door 6 in the closed posture. The inwardly projected surface of the door-end side vertical frame 10 of the sliding door frame serves as a door stop for the door-end side end surface 61 of the first slide door 6 and the door-end 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 stepped hanger rails 110 and 111 and a self-closing device DC3 are provided, and in the lower part of the upper frame 11, the first sliding door 6 of the sliding door, The upper end of the second slide door 7 is received. The lower frame 12 of the sliding door frame is provided directly below the hanger rails 110 and 111 with convex guide rails 120 and 121.

The first slide door 6 is slidable in the left-right direction by the hanger roller HR1 at the upper end rolling on the hanger rail 110 and the guide roller GR1 at the lower end rolling on the guide rail 120. The second slide door 7 is slidable in the left-right direction by the hanger roller HR2 at the upper end rolling on the hanger rail 111 and the guide roller GR2 at the lower end rolling on the guide rail 121.

When the folding door is in the closed posture, the opening 5 is formed between the second door end side end surface 34 below the first door body 3 and the second door tip side end surface 44 below 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 closed posture, the trailing edge 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 closed position, the first slide door 6 is opened by using the handle H4 provided on the first slide door 6, so that the first slide door 6 and the second slide door 7 are opened. There is. More specifically, a first locking piece 630 and a second locking piece 631 are formed on the rear side of the second finding surface 63 of the first slide door 6, and the first locking piece 630 and the first locking piece 631 of the second slide door 7 are formed. A first locking piece 720 is formed on the door-end side portion of the finding surface 72, and a second locking piece 721 is formed on the door-butt side portion thereof. A third locking piece 730 is formed on the side portion. When the sliding door is in the closed posture, the tail end side portion of the second finding surface 63 of the first slide door 6 and the door tip side portion of the first finding surface 72 of the second slide door 7 face each other at a distance. 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 engages with the locking piece 440 formed adjacent to the second door end side end surface 44 on the first finding surface 40 of the second door body 4. There is. When the first slide door 6 slides in the opening direction, the second locking piece 631 of the first slide door 6 that moves to the door tail side engages with the second locking piece 721 of the second slide door 7, The first slide door 6 and the second slide door 7 are integrally slid in the opening direction to be in the open posture.

The sliding door device includes an automatic closing mechanism that automatically closes the first slide door 6 that is manually opened. When the first slide door 6 slides in the closing direction from the open position by the automatic closing mechanism, the first locking piece 630 of the first slide door 6 that moves to the door tip side is the first locking piece of the second slide door 7. By engaging with 720, the first slide door 6 and the second slide door 7 slide integrally in the closing direction to be in the closing posture. The automatic closing mechanism is provided on the wire α extending horizontally in the moving direction of the first slide door 6 and the second slide door 7 and on the door end side portion of the upper frame 9, and automatically winds the door end side of the wire α. The closing device DC3 and the winding device 112 which is provided at the door butt side portion of the upper frame 9 and winds the door butt side of the wire α are provided. Biased in the closing direction).

The 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 contact body (metal fitting) is fixed to the wire α at the door end side of the insertion portion. There is. When the first slide door 6 is moved to the door butt side (opening direction), the insertion part pushes the abutting body on the wire α, whereby the wire α is pulled out to the door butt side (opening direction), and is wound up. It is wound around the device 112. With the movement of the wire α 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 moves the hanger roller HR1 from the door end side toward the door tip side. When pushed, the first slide door 6 moves to the door end side (closing direction). When the first slide door 6 in the closed posture is manually slid to the door butt side (opening direction) against the biasing force of the self-closing device DC3, the wire α is pulled out from the self-closing device DC3 and the door butt side is drawn. To the open position of the first slide door 6 and the second slide door 7. The first slide door 6 and the second slide door 7 are, for example, by a timer, after the open posture is maintained for a predetermined time, the closing force of the self-closing device DC3 causes the wire α to move in the closing direction along with the door tip side. The opening 5 is closed by sliding to.

The door end side portion of the sliding door frame (upper frame 11, lower frame 12) is an extended portion that extends beyond the upper first door front side end surface 43 of the second door body 4, and the tip of the extended portion. The door-end vertical frame 9 is fixedly supported between the door-end side end of the upper frame 11 and the door-end side end of the lower frame 12. That is, the sliding door frame extends beyond the first portion fixed to the first finding surface 40 of the second door body 4 and the first door end side end surface 43 on the upper side of the second door body 4. It consists of parts. More specifically, the first part of the sliding door frame includes a door-end side vertical frame 10, a door-butt side first part of the upper frame 11, and a door-butt side first part of the lower frame 12, and a sliding door. The second portion of the frame includes the door-end vertical frame 9, the door-end-side second portion of the upper frame 11, and the door-end-side second portion of the lower frame 12.

The first part of the sliding door frame (doors end side vertical frame 10, upper frame 11 and lower frame 12 doors side part) surrounds the second opening half 51, and the first finding surface of the second door body 4. The second portion of the sliding door frame (door end side vertical frame 9, upper frame 11, and lower frame 12 side part) is fixed to the first opening half portion 50 when the folding door is closed. It closely faces and faces the first finding surface 30 of the first door body 3 so as to surround it. When the folding door is opened, the second portion of the sliding door frame rotates so as to be separated from the first finding surface 30 of the first door body 3 as the second door body 4 rotates (see FIG. 5 ). In the present embodiment, although the opening 5 is formed so as to straddle the first door body 3 and the second door body 4, the sliding door frame of the sliding door and the first sliding door 6 and the second sliding door 7 are It is provided on the two-door body 4, and is configured to rotate 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 door-end side end of the second finding surface 31 of the first door body 3 is pressed against the airtight member S provided on the vertical frame 20. The upper end of the attaching surface 31 is in pressure contact with the airtight member S provided on the upper frame 22, and the end of the second finding surface 41 of the second door body 4 on the door sill side is provided on the vertical frame 21. And the upper end of the second finding surface 41 is in pressure contact with the airtight member S provided on the upper frame 22. In the present embodiment, the closed posture of the folding door (the first door body 3 and the second door body 4) is fixed by being locked by the Gremon lock. As shown in FIG. 1, in the present embodiment, the closing posture fixing means of the first door body 3 includes a locking portion L1 for fixing the door tip side portion to the door tip side vertical frame 20 of the frame body 2, and a lower end portion. Locking part L2 for fixing to the floor surface FL, locking part L3 for fixing the lower part of the lower door end side part to the door end side vertical frame 9 of the sliding door frame, and the door end side part of the upper end part for the frame body 2. Locking part L4 for fixing to the upper frame 22 of the upper frame, locking part L5 for fixing the door end side part of the upper end part to the upper frame 22 of the frame 2, lower part of the lower door end side part of the sliding door frame A locking portion L6 fixed to the front vertical frame 9 is provided. The closing posture fixing means of the second door body 4 includes a locking portion L7 that fixes the lower end portion to the floor surface FL, and a locking portion L8 that fixes the upper end portion to the upper frame 22.

In the first door body 3, the locking portions L1 to L6 are unlocked from the locking posture (locking posture) by the rotation operation of the Gremont handle H1 (locking by the first operation, releasing the locked state by the second operation). It is designed to take a lock position. The lemon handle H1 and the locking portions L1 to L6 are provided on the first finding surface 30 of the first door body 3. The Gremont handle H1 and the engaging portion L2 are connected by the lower vertical rod 13, the engaging portion L2 and the engaging portion L3 are connected by the lower horizontal rod 14, and the Gremont handle H1 and the engaging portion L4 are connected. The upper vertical rod 15 connects the locking portion L4 and the locking portion L5 to each other by the upper horizontal rod 16. The intermediate portion of the upper horizontal rod 16 and the locking portion L6 connect to each other by the upper vertical rod 17. 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 are adapted to move in the axial direction in conjunction with the rotation operation of the Gremont handle H1. The locking portions L1 to L6 are configured to take a locking posture (locking posture) and an unlocking posture by rotating the Gremont handle H1.

In the second door body 4, the locking portions L7 and L8 are unlocked from the locked posture (locked posture) by the rotation operation of the Gremont handle H2 (locking by the first operation, release of the locked state by the second operation). It is designed to take a lock position. On the evacuation contact pit side B of the second door body 4, a columnar vertical frame 8 that is located on the door tail side of the second opening half 51 and that is separated from the first finding surface 40 and extends in the height direction is provided. The first slide door 6 and the second slide door 7 are provided so as to move in the space between the vertical frame 8 and the first finding surface 40 (see FIG. 7). At a predetermined height position of the finding surface 80 of the vertical frame 8, a gremone handle H2, which is an operation unit of a means for maintaining the closed posture of the second door body 4, is provided. In the present 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 at the tip end side of the lower frame 12 protruding from the first finding surface 40 to the evacuation communication path side B. It is fixed to a site (the end on the evacuation contact pit side B), and the upper end of the vertical frame 8 is fixed to a support member 81 projecting from the first finding surface 40. The locking portions L7 and L8 are provided at the upper end portion and the lower end portion of the found surface 80 of the vertical frame 8. The Gremont handle H2 and the engaging portion L7 are connected by a lower vertical rod 18, and the Gremont handle H2 and the engaging portion L8 are connected by an upper vertical rod 19. The lower vertical rod 18 and the upper vertical rod 19 are configured to move in the axial direction in conjunction with the rotation operation of the Gremont handle H2, and the locking portions L7 and L8 are moved by the rotation operation of the Gremont handle H2. It is designed to take a locking posture (locking posture) and an unlocking posture.

To describe with reference to FIGS. 3 and 9, the gremone tablet is provided with a gremone handle, a rod that moves in the axial direction by the rotation operation of the gremone handle, and is provided at the end of the rod, and is interlocked with the axial movement of the rod. And a locking member (180 and 190 in FIG. 3 and 130 in FIG. 9) that take a locking posture and an unlocking posture, and a receiving hole (illustrated in 181 and 191 in FIG. 3) provided on the body side. 9) and 131), and the locking member (180, 190, 130) is in the locking posture via the rod that moves in the axial direction by rotating the Glemont handle in the locking direction. The locking member (180, 190, 130) is locked via (181, 191, 131) and locked by rotating the Gremon handle in the unlocking direction via the rod that moves in the axial direction. It is in the unlocked posture and comes out of the receiving holes (181, 191, 131) to be in the unlocked state.

In the present embodiment, a receiving frame 200 protruding toward the evacuation contact pit side B is provided at a predetermined height in the height direction of the door-side vertical frame 20 of the frame body 2, and the receiving frame 200 has a receiving hole for the locking portion L1. 200A is formed, and the locking member 132 is locked in the receiving hole 200A in the locking portion L1, so that the door-side end of the first door body 3 and the door-side vertical frame 20 are fixed. .. A receiving hole 141 for the locking portion L3 is formed on the outer side of the outer surface of the door-end vertical frame 9 of the sliding door frame, and a receiving hole 141 for the locking portion L6 is formed on the lower side. 171 is formed, and the locking members 140 and 170 are locked to the receiving holes 141 and 171, respectively, so that at the locking portions L3 and L6, the lower door end side portion of the first door body 3 and the sliding door. The vertical frame 9 on the door end side of the frame is fixed.

In the evacuation connection pit door thus configured, 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 a disaster or the like, the Gremon handle H1 is rotated to unlock the closed posture of the first door body 3, and the Gremon handle H2 is rotated to rotate the second door body 4. Is unlocked and the handle H3 is held to open the first door body 3 and the second door body 4 to the evacuation contact pit B side so that the folding door is in the open posture and the vehicle opening is opened. To form. When the folding door is opened, the initial motion is pressured by the entire door (first door body 3+second door body 4), but when the folding door is opened, an opening is formed from the door tip side of the first door body 3. As it is done, the opening operation force gradually becomes lighter. Prior to opening the first door body 3, the sliding door (the first sliding door 6 or the first sliding door 6 and the second sliding door 7) is opened to reduce the pressure acting on the surface portion of the folding door. You may open the folding door.

When a humanitarian opening is to be formed in the event of a disaster, the handle H4 is grasped and the first sliding door 6 and the second sliding door 7 are opened, so that the folding posture of the folding door is maintained and the humanitarian opening is maintained. An opening can be formed. Since the opening portion 5 forming the humanitarian opening portion is formed across the first door body 3 and the second door body 4, as compared with the case where the humanitarian opening portion is formed only on one door body, It is easy to secure a large width for the humanitarian opening.

1 Opening (opening for vehicle)
20 Door end side vertical frame (frame)
22 Upper frame (frame)
3 First door body (folding door)
30 1st finding surface 31 2nd finding surface 33 1st door end side end surface 34 of the upper side 2nd door end side surface 4 of the lower side 2nd door body (folding door)
40 1st finding surface 41 2nd finding surface 43 1st door end side end surface 44 of the upper side 2nd door end side end surface of the lower side 48 Eye plate part 5 opening (humanitarian opening)
50 1st opening half part 51 2nd opening half part 6 1st sliding door (sliding door)
7 Second slide door (sliding door)
9 Door end side vertical frame of sliding door frame 10 Door end side vertical frame of sliding door frame (frame)
11 Upper frame 12 Lower frame A Roadway tunnel side B Evacuation contact pit side L1 to L8 Locking part FL Floor surface (frame)

Claims (7)

In an evacuation door including a folding door that opens and closes a vehicle opening that communicates with the evacuation contact pit and a road tunnel, and a sliding door that opens and closes a humanitarian opening formed in the folding door,
The folding door includes a first door body on the door tip side and a second door body on the door tail side, and an opening half portion formed on the door tail side of the first door body when the folding door is in the closed posture. And the opening half formed on the door end side of the second door body continuously form the humanitarian opening,
The sliding door frame and the sliding door of the sliding door are provided on any one of the first door body and the second door body,
Evacuation door. The sliding door is a single sliding door including a first sliding door and a second sliding door,
When the sliding door is in the closed position, the first slide door mainly closes one opening half, and the second slide door mainly closes the other opening half.
The evacuation door according to claim 1. The sliding door frame includes a first portion fixed to the one door body, and a second portion extending beyond a door front side portion of the one door body,
The first portion of the sliding door frame is fixed to the one door body so as to surround an opening half portion formed in the one door body,
The second portion of the sliding door frame is in close proximity to or in contact with the other door body so as to surround an opening half portion formed in the other door body when the folding door is in the closed posture.
The evacuation door according to claim 1. The first door body includes a first finding surface, a second finding surface, a first door butt side portion located on the upper side of the opening half, and a lower portion located on the door tip side of the opening half. A second Tojiri side portion on the side,
The second door body includes a first finding surface, a second finding surface, a first door tip side portion located on the upper side of the opening half, and a lower portion located on the door butt side of the opening half. A second door-side portion on the side,
The first door end 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 are rotatably connected,
In the closed posture of the folding door, the humanitarian opening is provided between the second door tail side portion below the first door body and the second door tip side portion below the second door body. Has been formed,
The sliding door frame includes a door front side vertical frame, a door rear side vertical frame, an upper frame, and a lower frame, and the first portion of the sliding door frame is the door rear side vertical frame and a first portion of the upper frame. And a first portion of the lower frame, the second portion of the sliding door frame, the door-end vertical frame, the second portion of the upper frame, the second portion of the lower frame, Consists of
The first portion of the sliding door frame is fixed to the first finding surface of the one door body so as to surround an opening half portion formed in the one door body,
The second portion of the sliding door frame closely opposes the first finding surface of the other door body so as to surround the opening half part formed in the other door body when the folding door is in the closed posture. Is
The evacuation door according to claim 3. The first door end side portion on the upper side of the first door body, the first door tip side portion on the upper side of the second door body is provided with an eye plate portion,
The eye plate portion 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 when in the closed posture,
The evacuation door according to claim 4. When the folding door is in the closed posture, the first door body is locked to the body at the upper end portion and the lower end portion, and the second door body is locked to the body at the upper end portion and the lower end portion so that the folding door is closed. Fixed,
The evacuation door according to any one of claims 1 to 6. When the other door body is the first door body when the folding door is in the closed posture, the second door butt side portion below the other door body and the door tip side vertical frame of the sliding door frame. And are locked,
When the other door body is a second door body, the second door tip side portion below the other door body and the door tip side vertical frame of the sliding door frame are locked.
The escape door according to any one of claims 4 to 6 (limited to the dependent claim of claim 4).

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