JP5060866B2 - Folding door emergency opening device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an emergency opening device of a folding door, which is available for use in a narrow space including a bathroom and a toilet room, and safely opens the folding door in an emergency through simple operation. <P>SOLUTION: According to the structure of the emergency opening device, a joint portion between a first door which has an opening-side end thereof rotatably supported by a door frame, and a second door which has an opening-side end thereof foldably connected to a closing-side end of the first door, is protruded toward a room internal side and at the same time two-folded to open an opening section. Then a rail member has an opening-side end thereof rotatably connected to the door frame and a closing-side end thereof disengageably held by the door frame, and the second door has a locking device mounted on the closing-side end. Further a locking rod 91 of the locking device has an upper end thereof protruded upward from an upper end face of the second door in a locking state, and a locking engaging portion 93 engageable with the upper end of the locking rod 91 is mounted on the rail member at a location outside the locking rod 91. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

The present invention relates to an emergency opening device for a folding door used particularly in a narrow space such as a bathroom or a toilet.

Folding doors used in narrow spaces such as bathrooms and toilets often get in the way when they protrude outside the room, so they usually fold into two while opening into the room.
In this case, if an elderly person or sick person falls into a folding door or falls down near the folding door due to a seizure or sudden illness, the folding door can be opened to the indoor side. As a result, it was difficult for the elderly and suddenly ill people inside to be rescued.
Therefore, an emergency opening device for a folding door that can open the folding door from the outside has been provided. (For example, refer to Patent Document 1.)

And in the said structure, two doors are attached in the frame which consists of an upper frame and a side frame, the two doors are connected while the side edges of these two doors rotate freely, and this connection part protrudes. In a folding door that opens in a fold, the rotary shaft provided at the upper end of one door is rotatably attached to the upper frame of the frame, and the slider attached to the upper end of the other door is rotatably attached to the frame. It is attached so that it can move in the rail frame provided in the upper frame, and the rail frame near the moving element of the other door when the door is closed is attached so that it can be removed from the outside.
In the event of an emergency, remove the rail frame in the vicinity of the slider so that the slider attached to the door can move outward, rotate the folding door around the rotation axis of one door, I try to open the folding door.

In this case, since the rail frame connected to the upper frame is located at a high place, the work of removing the rail frame is complicated, and a step or the like is required, so that it was not possible to respond quickly in an emergency.
In addition, if a suddenly ill person falls down in a state of being drowned in a door, the weight is loaded in the direction toward the outside of the room, so the folding door is suddenly turned outward at the same time as the rail frame is removed. Therefore, in the state where the rail frame that was lifted up on the platform and further removed was held, it was extremely dangerous because the rotating folding door could not be supported.
Furthermore, when the door is locked from the indoor side, the folding door cannot be rotated and opened to the outdoor side only after the locked state is released from the outdoor side, and the operation is complicated.

Japanese Patent No. 3132906

The present invention can open a folding door in an emergency with a simple operation and safely, and can be opened regardless of the locked state even when locked from the indoor side. It is an object to provide an opening device.

Therefore, in order to solve the above-mentioned problems, the present invention is configured as a first means in which a first door whose open side end is rotatably supported by a door frame, and a closed side end of the first door A second door whose open end is foldably connected to the first door, and a guide member provided on the upper end of the second door is guided along a rail member disposed on the door frame, and the first door The connecting portion of the second door is folded in half while projecting toward the indoor side, the open end of the rail member is pivotally connected to the door frame, and the closed end of the rail member is connected to the door frame. In an emergency opening device for a folding door that is held detachably and is pivotable to the outside of the room together with the first door and the second door in an emergency, a locking device is provided at the closing side end of the second door. provided, locking lever of the locking device, locking the upper end an upper end surface of the second door projecting upward, the rail member in the locked state The outdoor side of the position of the rod, padlock locking portion is set to be engaged to the upper end of the locking lever of the locking state vignetting, the emergency, in a locked state, the rail member, for locking locking portions, the 1 door, is shall be rotated to the outdoor side together with the second door.

Next, when the present invention is configured as the second means, the first door whose opening side end portion is rotatably supported by the door frame, and the opening side end portion on the closing side end portion of the first door. A second door that is foldably connected and a guide member provided at the upper end of the second door are guided along a rail member disposed on the door frame, and the first door and the second door are connected. The part is folded in half while projecting to the indoor side, and the open end of the rail member is pivotally connected to the door frame. The closed end of the rail member is engaged with the door frame via a latch member. An operation portion that is detachably held and is provided facing the outdoor side to operate the latch member. The latch member releases the locked state of the rail member and the door frame by an operation from the outdoor side, and the rail member In the emergency opening device for folding doors, which can be turned to the outside of the room together with the first door and the second door, the second door is closed. A locking device is provided at the side end, and the locking rod of the locking device has a locking state in which the upper end protrudes upward from the upper end surface of the second door in the locked state, and is locked at a position outside the locking rod of the rail member. upper end for locking engagement portion to be engaged is set vignetting of rod, the emergency, in a locked state, the rail member, for locking engaging portion, the first door, turning on the outdoor side together with the second door it is to shall.

Next, when the present invention is configured as the third means, in addition to the second means, the operation portion is located below the latch member and is configured by an operation hole that can directly operate the latch member. It is what.

Next, the present invention is configured as the fourth means. In addition to the second means, the operation unit is located below the latch member and operates the latch member. It has an operation hole for operating the push-up operation member located below the member

According to the configuration as the first means, the open side end of the rail member is rotatably connected to the door frame, and the closed side end of the rail member is detachably held by the door frame. The rail member can be rotated to the outside of the room together with the first door and the second door simply by releasing the locked state of the rail member and the door frame, so that the opening operation can be easily performed. Since there is no need to hold an unnecessary member during the opening operation, it is possible to sufficiently cope with the sudden opening of the folding door, and the work is safe. Furthermore, a locking device is provided at the closed side end of the second door, and the locking rod of the locking device has an upper end projecting upward from the upper end surface of the second door in the locked state, and is located outside the outdoor side of the locking rod of the rail member. the position, because padlock locking portion for engaging the upper end of the locking rod in the locked state is eclipsed set, the second door is a locked state, the locking lever is moved together with the padlock locking portion Therefore, the unlocking operation is not necessary and the emergency response can be performed well.

According to the second means, the open end of the rail member is rotatably connected to the door frame, and the closed end of the rail member is detachably held on the door frame via the latch member. Therefore, the rail member can be turned to the outdoor side together with the first door and the second door only by releasing the latching state of the rail member and the door frame by operating the latch member from the outdoor side. The opening operation can be performed easily, and it is not necessary to hold unnecessary members during the opening operation in an emergency. It is safe.
Furthermore, a locking device is provided at the closed side end of the second door, and the locking rod of the locking device has an upper end projecting upward from the upper end surface of the second door in the locked state, and is located outside the outdoor side of the locking rod of the rail member. the position, because padlock locking portion for engaging the upper end of the locking rod in the locked state is eclipsed set, the second door is a locked state, the locking lever is moved together with the padlock locking portion Therefore, the unlocking operation is not necessary and the emergency response can be performed well.

According to the configuration of the third means, in addition to the effect of the configuration of the second means, only an operation hole capable of directly operating the latch member is provided as the operation portion, so the structure is simple and inexpensive. Can be produced.

According to the fourth means, in addition to the effects of the second means, the operation unit has a push-up operation member for operating the latch member and an operation hole for operating the push-up operation member. Therefore, the operation hole can be provided at a position closer to the person who operates the latch member, and the release operation of the latch member is easier.

The present invention includes a first door having an open side end rotatably supported by a door frame, a second door having an open side end foldably connected to a closed side end of the first door, The guide member provided at the upper end of the two doors is guided along the rail member disposed on the door frame, and the connecting portion of the first door and the second door is folded in two while protruding toward the indoor side. The open end of the rail member is pivotally connected to the door frame, and the closed end of the rail member is detachably held by the door frame via the latch member to operate the latch member. The operation portion is located below the latch member and has a push-up operation piece for operating the latch member and an operation hole for operating the push-up operation piece located below the push-up operation piece. The latch member is provided so as to release the locked state between the rail member and the door frame by an operation from the outdoor side, and the rail portion The first door and the second door can be rotated together with the first door and the second door, and a locking device is provided at the closing side end of the second door. The locking rod of the locking device is in the locked state and the upper end is the second door. protrudes from the upper end surface of the upward, the outdoor side of the position of the locking lever of the rail member, in which for locking engaging portion for engaging the upper end of the locking rod in the locked state is eclipsed set.

Examples will be described below.
In FIG. 1, reference numeral 1 indicates a folding door, and reference numeral 10 indicates a door frame.
The door frame 10 is disposed between the upper end of the closed side vertical frame 11 and the open side vertical frame 12, and the closed side vertical frame 11 and the open side vertical frame 12 fixed to the steel frame on the building side via a bracket. It is formed in a gate shape from an upper frame 13 fixed to a steel frame on the building side via a bracket.

As shown in FIG. 5, the upper support member 2 is provided on the inner surface of the upper end portion of the open-side vertical frame 12, and the lower support member 3 is provided on the inner surface of the lower end portion. As shown in FIG. 2, the upper holding member 5 is provided on the inner surface of the upper end portion of the closed vertical frame 11, the rail member 6 is disposed between the upper support member 2 and the upper support member 5, and the lower support member 3 and the upper support member 2. Between the upper and lower ends of the opening side of the first door 7 is rotatably supported, and the opening side end of the second door 75 is foldably connected to the closing side end of the first door 7.
Reference numeral 90 denotes a surface member provided on the outdoor side of the rail member 6, and reference numeral 900 is located on the indoor side of the rail member 6, and is detachably provided between the inner surfaces of the upper and lower side vertical frames 12 and 11. The reference numeral 756, 756 denotes a handle attached to the indoor outer surface of the closed side end of the second door 75, and the reference numeral 755 denotes an indoor side surface of the open side end of the second door 75. The auxiliary handle is shown.

The upper support member 2 includes a side wall 21 that is screwed and connected to the upper inner surface of the open side vertical frame 12, an upper wall 22 and a lower wall 23 that are formed to project inwardly at the upper and lower ends of the side wall 21, In the side wall 21, vertical holes 210, 210 are formed with a predetermined interval in the vertical direction so that the mounting height of the upper support member 2 can be slightly adjusted, and the upper wall 22 and the lower wall 23 are formed. Are formed with connecting holes 220 and 230 for rotatably connecting the open side end of the rail member 6, and the open side end top of the first door 7 is rotated on the bottom surface of the lower wall 23. An upper rotation support shaft 231 (shown in FIGS. 4 and 5) that is freely connected is projected downward.

The lower support member 3 is formed in a substantially L shape from the connection piece 31 and the support protrusion 32. The connection piece 31 is screwed to the lower end of the inner surface of the open vertical frame 12, and the support protrusion 32 is supported by the upper support. It protrudes inward corresponding to the lower wall 23 of the member 2.
And the lower rotation support shaft 321 to which the lower surface of the open side end portion of the first door 7 is rotatably connected projects upward on the support protrusion 32 corresponding to the upper rotation support shaft 231. Has been.

That is, the first door 7 is composed of a front plate 71, a back plate 72, an upper reinforcing member 73, and the like that face each other with a paper honeycomb 701 interposed therebetween, and the vertical rotation support shafts 231 and 321 are fitted on the upper and lower ends of the open side. A vertical rotation insertion hole 70 (only the upper part is shown) is formed, and the vertical rotation support shafts 231 and 321 of the vertical support members 2 and 3 are fitted into the vertical rotation insertion hole 70 through buffer members and spacers. The open side vertical frame 12 (door frame 10) is rotatably supported via the vertical support members 2 and 3.

Like the first door 7, the second door 75 includes a front plate 751, a back plate 752, an upper reinforcing member 753, and the like that are opposed to each other via a paper honeycomb 750. A guide member 8 (details will be described later) is connected to the closed side end of the door 7 and guided by the rail member 6 at a substantially central portion in the opening and closing direction, and is attached to the inside of the closed side end. A locking device 9 is incorporated.
Since the 1st door 7 and the 2nd door 75 are comprised as mentioned above, when opening from a closed state, the closed side edge part of the 1st door 7 and the 2nd door 75 open side edge part are in the indoor side. At the same time as it moves to the open side while projecting, the closing side end of the second door 75 moves to the open side while projecting to the outdoor side, and as shown in FIG.

The above-mentioned locking device 9 is interlocked with a display lock that displays entry / exit rooms, and is operated from the indoor side, and a locking operation unit (not shown) is moved up and down in conjunction with the locking operation unit and is in a raised state (locking state) ), A locking rod 91 whose upper end protrudes upward from the upper end surface of the second door 75, and a slide support portion 92 that holds the locking rod 91 inside the second door 75 so as to be movable up and down.

On the other hand, the rail member 6 includes a guide support member 61 having a guide groove 610 whose lower surface opens in the opening and closing direction, and a surface plate mounting member 62 fixed to the outdoor side of the guide support member 61 and connected to the surface member 90 by screws. The upper reinforcing member 63 fixed to the front plate attaching member 62 and the guide supporting member 61 and positioned above the guiding supporting member 61; and the open side end surfaces of the guiding supporting member 61, the front plate attaching member 62, and the upper reinforcing member 63. The rotation connecting member 60 is fixed, and includes a guide support member 61, a surface plate mounting member 62, and a latch engaging member 64 fixed to the closed end face of the upper reinforcing member 63.

A locking locking portion 93 having a locking protrusion 931 protruding in the indoor side at the lower end corresponding to the locking rod 91 of the locking device 9 is provided below the inner surface of the closing end of the guide support member 61. Is provided to protrude.
That is, in the locked state of the locking device 9 (the upper end of the locking rod 91 protrudes upward from the upper end surface of the second door 75, shown in FIGS. 4 and 6), the outdoor side of the upper end portion of the locking rod 91 Therefore, the closed side end of the second door 75 cannot move to the outdoor side, and the closed state is maintained (the locked state is maintained). )

The rotating connecting member 60 includes vertical rotating projecting walls 601 and 602 positioned on the upper and lower inner surfaces between the upper wall 22 and the lower wall 23 of the upper support member 2, a connecting wall 603, and the like. , 602 are formed with rotation holes 604, 605 corresponding to the connection holes 220, 230. The connection pin 600 is inserted into the connection holes 220, 230, the rotation holes 604, 605, and the retaining pin 606 is inserted. Thus, the upper support member 2 is connected.
That is, the open end of the rail member 6 is rotatably connected to the door frame 10 (upper support member 2).

The latch engaging member 64 is detachably connected to the connection fixing portion 640 fixed to the closed side end portion of the rail member 6 and the latch member 4 connected to the closing side of the connection fixing portion and attached to the upper holding member 5. An engagement shaft portion 641 and a rubber pressure roller 642 that is rotatably provided at the closing side end portion of the engagement shaft portion 641. It will be in the state hold | maintained at the member 5. FIG.

The upper holding member 5 includes a connecting side wall 51 that is screwed to the upper inner surface of the closing side vertical frame 11, a protruding wall 52 that protrudes from the indoor side end of the connecting side wall 51 to the open side, A latch member connecting wall 53 protruding from the upper half of the open end to the indoor side, and a rail material holding protruding wall 54 protruding from the lower half of the open end of the protruding wall 52 to the open side A roller support wall 55 that is fixed to the inner surface of the lower half of the side wall 51 and the protruding wall 52 and supports the pressure contact roller 642; a guide inclined wall 56 that protrudes downward from the outdoor front end of the roller support wall 55; The roller support wall 55 includes a latch member support wall 57 and the like protruding from the open end to the open side.

The connecting side wall 51 is formed with vertical holes 510 and 510 having a predetermined interval in the vertical direction so that the mounting height of the upper holding member 5 can be slightly adjusted. On the outdoor side surface, the rail member 6 is not rattled when the rail member 6 is locked to the latch member 4.
A rubber roller contact 521 to which the end face of the pressure contact roller 642 is in pressure contact is attached, and on the open side of the latch member connecting wall 53, the latch member 4 is located above the latch member support wall 57 and is rotatable. An inverted L-shaped spring mounting seat 58 is connected to the surface of the latch member connecting wall 53 on the closing side vertical frame 11 side.
Then, in a state where the rail member 6 is locked to the latch member 4 (a state where the engagement shaft portion 641 is engaged with the latch member 4), the magnet 59 that is attracted to the outdoor side surface of the rail material holding protruding wall 54 is provided. The rail member 6 is provided on the closing side end face of the coupling fixing portion 640 of the latch engaging member 64 and prevents the rail member 6 from rotating unexpectedly even when the latch member 4 and the engaging shaft portion 641 are released from the engaged state. is doing.

The latch member 4 is rotatably connected to the latch member connecting wall 53, and a connecting locking piece in which a locking portion 411 that locks to the engaging shaft portion 641 is formed at the lower end of the outdoor end. 41 and an operating protrusion 42 protruding to the open side at the upper end of the connecting locking piece 41, and a tension spring 43 between the indoor end of the operating protrusion 42 and the upper end of the spring mounting seat 58. Is provided, and the latch member 4 is always urged to rotate in a direction to be engaged with the engagement shaft portion 641.
Reference numeral 412 denotes an inclined operation surface on the outdoor side end surface of the connecting locking piece 41 where the outdoor side is inclined upward.

Then, the latching state of the latch member 4 and the engagement shaft portion 641 is released by the operation portion 45.
The operation unit 45 includes a push-up operation member 46, an operation holding member 47 that holds the push-up operation member 46 so as to be movable up and down, and an operation hole 48 for operating the push-up operation member 46.
The push-up operation member 46 projects from the upper end in the direction of the latch member 4 (inside the room), and a push-up protrusion 461 located below the outdoor end of the operation protrusion 42 and the chamber of the push-up protrusion 461. A hanging piece 462 that extends downward at the outer end, an operation protruding piece 463 that protrudes indoors at the lower end of the hanging piece 462, and a reinforcement that protrudes indoors at the open / close end of the hanging piece 462 The protrusions 464 and 464 are configured.

The operation holding member 47 is fixed to a predetermined position (where the latch member 4 is located) on the back surface of the front surface member 90 provided on the outdoor side of the rail member 6, and the drooping piece 462 and the reinforcing protrusions 464, 464. The operation hole 48 is formed at a position where the lower surface of the operation protrusion 463 faces the lower surface of the surface member 90.

In an emergency, when a finger or a screwdriver is inserted through the operation hole 48 and the tip is brought into contact with the lower surface of the operation protrusion 463 and pushed upward, the push-up member 46 moves upward, and at the same time, the push-up protrusion 461 The outer end of the operation protrusion 42 is pushed up against the elasticity of the tension spring 43 to release the engagement state between the engagement shaft portion 641 and the engagement portion 411 (the state shown in FIG. 10), and the rail. When the closed side end of the member 6 is pulled out against the attracting force of the magnet 59 to the outdoor side, the rail member 6 is in a state where the guide member 8 of the second door 75 is fitted in the guide groove 610. Together with the door 7, the connecting pin 600 is pivoted to the outdoor side (shown in the middle of opening in FIG. 3), and the first door 7 and the second door 75 are opened to the outdoor side, Rescue of suddenly ill people in the room.
Even when the second door 75 is locked from the indoor side, the locking member 93 for locking is provided on the rail member 6, so the second door 75 is locked and together with the first door 7. Since it is opened to the outside of the room, it is possible to quickly rescue a suddenly ill person in the room.

On the other hand, the state in which the lower surface of the connecting locking piece 41 of the latch member 4 is in contact with the latch member support wall 57 by the elastic force of the tension spring 43 while the rail member 6 is rotated outward is maintained. When the rail member 6 turned to the outdoor side is turned to the indoor side again, the engaging shaft portion 641 comes into contact with the inclined operation surface 412 and resists the elastic force of the tension spring 43 so that the latch member 4 is moved. In FIG. 11, the engagement shaft portion 641 is again locked by the locking portion 411 by rotating counterclockwise.
In the embodiment, the latch member 4 is operated by the push-up operation member 46. However, even if there is no push-up operation member, the latch member 4 is operated to be pushed up directly from the operation hole 48 with a round bar or the like. Also good.

The guide member 8 is rotatably supported on the upper end surface of the roller support member 81 and the roller support member 81 that protrudes upward and is attached to a substantially central portion of the second door 75 in the opening and closing direction. A guide roller 82 fitted in the guide groove 610, an upward U-shaped roller connection seat 80 protruding and connected to the outdoor side surface of the upright surface 811 of the roller support member 81, and
A rail support member 84 having a support roller 83 on the indoor side connected to the roller connection seat 80, and a mover connection connected to the outdoor side of the roller connection seat 80 and a mover 86 of a linear motor connected to the upper end. It comprises a seat 85 and the like.
And by supporting the lower surface of the guide support member 61 with the end surface of the support roller 83, when the rail member 6 rotates to the outdoor side, it is preventing that the edge part of a closing side changes below.
Reference numeral 87 denotes a linear motor stator corresponding to the linear motor movable element 86 provided on the outdoor side of the upper reinforcing member 63 via a stator coupling seat 88 corresponding to the linear motor movable element 86. Show.

Front view of folding door A schematic plan view with the folding door open A schematic plan view in the middle of rotating the rail member, the first door, and the second door to the outdoor side Schematic diagram of the upper front of a folding door with the surface member removed Exploded perspective view of the open side vertical frame side outside the folding door Fig. 1 is an enlarged cross-sectional view of the main part of line AA The main part expanded sectional view of the BB line of FIG. CC sectional view of FIG. DD sectional view of FIG. Sectional drawing of the principal part in the state where the latching state of the latch member and the rail member is released Sectional drawing of the principal part of the state which rotated the rail member, the 1st door, and the 2nd door to the outdoor side

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Folding door 10 Door frame 4 Latch member 45 Operation part 46 Push-up operation member 48 Operation hole 6 Rail member 7 1st door 75 2nd door 8 Guide member 9 Locking device 91 Locking hook 93 Locking locking part

Claims (4)

A first door whose open end is rotatably supported by the door frame; a second door whose open end is foldably connected to the closed end of the first door; and an upper end of the second door The guide member provided in the section is guided along the rail member disposed on the door frame, and the connecting portion of the first door and the second door projects inward while being folded in two and opened. The open end of the member is pivotably connected to the door frame, and the closed end of the rail member is detachably held by the door frame. In an emergency, the rail member is housed together with the first door and the second door. In the emergency opening device of the folding door that can be turned outward, a locking device is provided at the closing side end of the second door, and the locking rod of the locking device is in the locked state and the upper end is the upper end surface of the second door projecting upward from the outdoor side of the position of the locking lever of the rail member, for locking engagement portion for engaging the upper end of the locking rod in the locked state is set Is, in an emergency, in a locked state, the rail member, for locking engaging portion, the first door, emergency opening device for folding door, characterized in that you rotate the outdoor side together with the second door. A first door whose open end is rotatably supported by the door frame; a second door whose open end is foldably connected to the closed end of the first door; and an upper end of the second door The guide member provided in the section is guided along the rail member disposed on the door frame, and the connecting portion of the first door and the second door projects inward while being folded in two and opened. The open end of the member is pivotally connected to the door frame, the closed end of the rail member is detachably held on the door frame via the latch member, and an operation unit for operating the latch member is provided. The latch member is provided facing the outdoor side, and the latch member releases the latched state of the rail member and the door frame by an operation from the outdoor side, and the rail member can be turned to the outdoor side together with the first door and the second door. In the emergency opening device of the folding door, a locking device is provided at the closing side end of the second door, and the locking device of the locking device is Projects upwardly from the upper end surface of the upper portion in the locked state and the second door, the outdoor side of the position of the locking lever of the rail member, for locking engagement portion for engaging the upper end of the locking rod in the locked state is set is, in an emergency, in a locked state, the rail member, for locking engaging portion, the first door, emergency opening device for folding door, characterized in that you rotate the outdoor side together with the second door. 3. The emergency door opening device for a folding door according to claim 2, wherein the operation portion is configured by an operation hole that is positioned below the latch member and is capable of directly operating the latch member. The operation unit has a push-up operation member that operates below the latch member and operates the latch member, and an operation hole that operates the push-up operation member located below the push-up operation member. The emergency door opening device for a folding door according to claim 2, wherein the device is an emergency door opening device.