JP2010090545A - Door equipment with escape door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide door equipment with an escape door which is automatically closed in consideration of safety inside a building after evacuation. <P>SOLUTION: This door equipment 1 with the escape door includes: a door body 4 which is openably/closably provided in a frame body 2 installed in the entrance of the building; an escape opening 5 which is formed in the door body 4; the escape door 6 which is formed in such a manner as to be capable of closing the escape opening 5; and an escape door-side hinge portion 19 for journaling a lower portion of the escape door 6 in a vertically-turnable manner on the door body 4. By providing a closing device C for automatically closing the escape door 6 and an elastic body 55 for urging the escape door 6 in a closing direction, the escape opening 5 is prevented from remaining opened after a person escapes to the outside of the building through the escape opening 5 by opening the escape door 6, so that the aspect of the inside of the building cannot be checked through the escape opening 5 from the outside; the crime of intrusion into the building through the escape opening 5 from the outside can be deterred; and privacy inside the building can be protected. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a door device having an evacuation opening.

  Conventionally, doors used in buildings, etc., are pushed up with a strong force during a disaster such as an earthquake or fire, and if an external force exceeding the durability is applied to the frame that holds the door openable and closable, There is a problem that the contact resistance with the door increases, and the door cannot be opened and closed even when the door key or door chain is unlocked. Therefore, a door provided with an evacuation port has been proposed (Patent Document 1).

For example, Patent Document 1 discloses a door device with an evacuation door in which an opening serving as an evacuation port is formed in the lower half of the door, and a evacuation-type evacuation door is provided in the opening. In the door device with an evacuation door of Patent Document 1, the evacuation door is pulled down to open an opening, and evacuates to the outside of the building through the opening.
JP 2000-80865 A

  However, in the conventional door device with an evacuation door, the evacuated evacuation door does not automatically close the opening, but in the case of emergency evacuation, the opening is opened and the door with the evacuation opening is opened. There was a problem in terms of safety, such as allowing intrusion into the building through an opening that was left open, and there was nothing that would automatically close.

  Therefore, an object of the present invention is to provide a door device with an evacuation door that automatically closes in consideration of the safety inside the building after evacuation.

  The present invention according to claim 1 is a door main body provided at a doorway of a building, an evacuation opening formed in the door main body, an evacuation door formed so as to be able to close the evacuation opening, and the evacuation A door device with an evacuation door including a shaft portion that pivotally supports a lower portion of the door in a direction perpendicular to the door body, the evacuation door being provided with a closing device that closes the evacuation door. An urging means for urging the lens in the closing direction is provided.

  According to a second aspect of the present invention, a wire rod connecting the door body and the escape door via the biasing means to the closing device, and the escape door extending from the door body side to the escape door side. And a pulley apparatus that can be guided along the opening and closing direction.

  The present invention according to claim 3 comprises the slope that connects the evacuation opening and the door interior by the evacuated door while the evacuation door is provided on the inside of the building so as to be able to fall down. Features.

  According to a fourth aspect of the present invention, there is provided a locking function for locking the evacuation door that closes the evacuation opening.

  According to the first aspect of the present invention, the urging means for urging the evacuation door in the closing direction is provided, and the evacuation opening is automatically closed to open the evacuation door and pass through the evacuation opening. After the evacuation, the evacuation opening is prevented from being left open, and the inside of the building cannot be confirmed from the outside through the evacuation opening. In addition to deterring crimes that attempt to invade, the privacy inside the building can be protected.

  According to the invention of claim 2, the operation of the evacuation door is made smooth, the operating force to open the evacuation door is reduced, the operability of the evacuation door is improved, and the burden on the wire is reduced to reduce the load on the wire. It is possible to suppress wear and prevent a reduction in the life of the door device with an escape door.

  According to invention of Claim 3, when the evacuation opening part is opened, the slope which connects the evacuation opening part and the door inner side is comprised by the evacuation door lying down on the door inner side of the building, The level difference between the opening for the floor and the floor inside the door is eliminated, and even children and the elderly can easily get over the level difference between the opening for the evacuation and the floor, and access to the evacuation opening during evacuation Improves.

  According to invention of Claim 4, the crime which tries to penetrate | invade the inside of a building through the opening part for evacuation from the outside is prevented, and the safety | security of a door apparatus with an evacuation door is improved.

  Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the content of the present invention described in the claims. In addition, all the configurations described below are not necessarily essential requirements of the present invention.

  As shown in FIGS. 1-18, the door apparatus 1 with an evacuation door in 1st Example of this invention is the outdoor via the door main body side hinge part 3 to the rectangular frame 2 provided in the entrance / exit of buildings etc. It has a structure having a side opening type door main body 4 that can be opened and closed in seven directions, and an evacuation door 6 that can be opened and closed in an evacuation opening 5 provided in the door main body 4. A steel plate having a thickness of about 1.6 mm having excellent heat resistance and load resistance is used for the door outer surface 8 facing the outdoor door 7 and the door inner surface 10 facing the door 9 in the door body 4. .

  The evacuation opening 5 is formed in the door body 4 so as to be able to communicate between the interior 9 side and the exterior 7 side of the building, and is a through-hole through which a rectangular person having a vertical dimension of 50 cm and a horizontal dimension of 50 cm can pass, for example. In the lower half region of the door body 4, the door body 4 is formed upward from the lower end of the door body 4 by a predetermined distance L. In addition, the opening edge 11 forming the evacuation opening 5 has a first indoor facing portion facing the indoor 9 side with respect to the first outdoor facing portion 12 facing the outdoor 7 side. A first step portion 14 is formed by expanding the diameter of 13 over the entire circumference.

  The evacuation door 6 is formed of a rectangular plate formed so as to be able to be substantially fitted to the evacuation opening 5 and, like the door main body 4, has excellent heat resistance and load resistance on the door outer surface 6A and the door inner surface 6B. A steel plate having a thickness of about 1.6 mm is used, and is formed to be substantially the same as the thickness of the door body 4. In the outer peripheral portion of the evacuation door 6, the second outside-facing facing portion 15 facing the outdoor 7 side is opposed to the indoor 9 side and the second diameter expanded in a bowl shape over the entire circumference. A second stepped portion 17 is provided that forms a door-facing facing portion 16 and that can be engaged with the first stepped portion 14 of the evacuation opening 5. Here, when the seal packing 18 made of a resin material such as rubber or plastic is disposed over the entire circumference of the second stepped portion 17, the evacuation opening 5 is closed by the evacuation door 6. The evacuation opening 5 in the gap between the evacuation door 6 and the door body 4 is sealed in a liquid-tight manner.

  The evacuation door 6 is provided so as to be openable and closable in the vertical direction with respect to the evacuation opening 5 via the evacuation door side hinge portion 19. The evacuation door side hinge portion 19 is provided at the left and right side lower portions of the inner side surface of the evacuation door 6, and the tip thereof is below the lower edge portion of the evacuation opening 5 along the inner side surface of the evacuation door 6. Provided in the vicinity of a pair of movable hinge arm members 20 formed in a projecting manner and the lower left and right edges of the evacuation opening 5 on the door inner side surface of the door main body 4, and the tip thereof is the door of the door main body 4. A pair of fixed-side hinge arm members 21, which are formed so as to project downward from the lower edge portion of the evacuation opening 5 along the inner surface, the distal end of the movable-side hinge arm member 20, and the distal end of the fixed-side hinge arm member 21 Is provided below the lower edge portion of the evacuation opening 5 so as to be pivotable in the vertical direction, and the evacuation door 6 is provided so as to be able to fall on the interior 9 side.

  Inside the door main body 4, the outer frame 23 assembled in a rectangular shape along the outer shape of the door main body 4 between the door inner side surface portion 10 and the door outer side surface portion 8, and the door main body 4 are arranged in parallel along the longitudinal direction of the door main body 4. The long frame 24 and the short frame 25 arranged in parallel along the short direction of the door body 4 are provided. The outer frame 23, the long frame 24 and the short frame 25 are formed in a U-shaped cross section. The frame member is made of. Here, a gap 26 is secured in the door body 4 along the opening edge 11 by the long frame 24 and the short frame 25, and a portion corresponding to one side surface portion of the opening edge 11 in the gap 26 A pulley device 27 is provided.

  The pulley device 27 includes a pair of upper and lower pulleys having a rotation axis in a direction orthogonal to each surface direction of the door outer side surface portion 8 or the door inner side surface portion 10 of the door body 4 and fixed by fixing means 28 such as bolts and nuts. I have. The upper pulley body 29 which is one pulley of the pair of upper and lower pulleys is attached to the longitudinal frame 24 via the attachment frame 30, so that the lower pulley which is the other pulley directly attached to the longitudinal frame 24. The mounting position is shifted with respect to the pulley 31 in the direction of the rotation axis. Between the upper pulley body 29 and the lower pulley body 31, one end 32 is hung on the upper portion of the upper pulley body 29 and the other end 33 is a wire 34 such as a wire hung on the lower portion of the lower pulley body 31. Is stretched. Here, the mounting frame 30 is formed such that the horizontal dimension is smaller than the diameter of the lower pulley 31 and the other end 33 of the wire 34 is stretched vertically upward from the lower portion of the lower pulley 31. The structure does not hinder the vertical movement of the wire 34.

  Further, a pulley device side opening 35 that allows the pair of upper and lower pulleys 29, 31 and the mounting frame 30 to be exposed from a substantially horizontal direction is formed on one side surface portion of the opening edge 11, and this pulley device side opening 35 is formed. The pulley apparatus side cover body 36 formed so as to be able to close is attached to the longitudinal frame 24 detachably through a connection frame 37 formed in a U-shape.

  Here, the attachment structure of the pulley apparatus side cover 36 will be described in detail. The connection frame 37 includes a pair of leg pieces that are erected substantially vertically from both ends of the U-shaped closed portion. One leg piece 38 of the pair of leg pieces is provided with a plurality of first fixing through portions 39 formed continuously with a predetermined interval. A plurality of second fixing through portions 40 corresponding to the first fixing through portions 39 are also provided in the longitudinal frame 24 and are connected to one leg piece 38 by a connection frame fixing means 41 made of a screw member such as a screw. The longitudinal frame 24 is detachably fixed through the respective through portions 39 and 40. Also, the other leg piece 42 of the pair of leg pieces is provided with a plurality of third fixing penetration parts 43 formed continuously with a predetermined interval, and this third fixing piece is provided. A plurality of fourth fixing through portions 44 corresponding to the through portions 43 are also provided in the pulley device side cover 36, and these fixing through portions 43 and 44 are formed by a cover fixing means 45 made of a screw member such as a screw. By fixing, the pulley apparatus side cover body 36 is configured to be detachable from the opening edge 11. Further, the other leg piece 42 is disposed at a position corresponding to the first fixing through portion 39 provided in the one leg piece 38, and has a larger diameter than the first fixing through portion 39. The working through-hole 46 is provided. The working through-hole 46 is formed so that the tip of a tool such as a screwdriver can freely pass through, and attachment of screws etc. to the first fixing through-hole 39 through the working through-hole 46. It is configured so that work can be performed. Here, it is assumed that the third fixing through portion 43 and the working through portion 46 provided in the other leg piece 42 are arranged at positions that do not overlap each other. Further, the numbers of the through portions 39, 40, 43, 44, 46 provided in the leg pieces 38, 42, the longitudinal frame 24, and the pulley device side cover 36 can be appropriately changed.

  The door inner facing surface portion 47 of the first door outer facing portion 12 has a longitudinal direction along the vertical direction and is stretched in a substantially horizontal direction from the upper part of the upper pulley body 29 toward the evacuation door 6. A long hole 48 formed so that the one end 32 of 34 can be inserted is provided. Then, one end 32 of the wire 34 inserted into the long hole 48 from the outdoor 7 side to the indoor 9 side passes through the escape door side formed in the second door-facing facing portion 16 so as to face the long hole 48. The end portion 32 of the wire 34 is inserted into the escape door 6 by being inserted into the portion 49 and wound around the shaft portion (not shown) of the rivet 50 and fixing the rivet 50 to the second door facing portion 16. It shall be fixed to.

  A rectangular door body side through portion 51 that communicates the inside and outside of the door body 4 is formed on the upper surface portion of the outer frame 23 of the door body 4. On the upper surface of the pair of receiving plate portions 52 projecting in the horizontal direction, an elastic body mounting member 53 made of a rectangular plate body that is formed so as to be approximately matable with the door body side through portion 51 is enclosed. The elastic body mounting member 53 is detachably fixed to the receiving plate portion 52 by elastic body fixing means 54 made of a screw member such as a screw.

  At the center of the bottom surface portion of the elastic body attaching member 53, an elastic body attaching through portion 57 is formed which is formed by being bent into an L shape and is formed so that one hook 56 of the elastic body 55 made of a tension spring can be connected. A mounting piece 58 is provided. Here, the other hook (not shown) of the elastic body 55 connected to the elastic body mounting member 53 is folded up and stretched vertically upward from the lower side of the lower pulley body 31, and the outdoor frame 7 side of the mounting frame 30. And connected to the other end 33 of the wire 34 passed in a non-contact state.

  Here, in this embodiment, the closing device C for closing the emergency door 6 is constituted by the pulley device 27, the wire 34, and the elastic body 55.

  Further, the door device with evacuation door 1 is provided with a locking device 59 that enables locking / unlocking of the evacuation door 6 from the inside of the door 9, and this locking device 59 is made of a well-known book lock, for example, a door A locking groove 60 formed at a substantially central portion of the upper portion of the opening edge 11 of the main body 4 and a locking piece provided so as to be freely inserted into and retracted from a substantially central portion of the upper portion of the escape door 6 and capable of engaging with the locking groove 60. 61 and a door 9 on the side of the inside of the evacuation door 6 is rotatably provided, and the locking piece 61 is projected from the evacuation door 6 in accordance with this rotation operation to the unlocked position accommodated in the evacuation door 6. It is comprised from the knob-piece-shaped operation means 62 provided so that switching was possible. Furthermore, a handle 63 is formed below the side surface 9 of the evacuation door 6 and is formed in the shape of a concave groove that is large enough to receive a fingertip of a human hand. As shown in FIG. 18, when the locking device 59 detects that the evacuation door 6 has closed the evacuation opening 5, the locking device 59 automatically rotates the operating means 62 to project the locking piece 61 to the locking position. An automatic locking function 64 is preferably provided. Here, as the automatic locking function 64, for example, the detection means 65 provided on the door body 4 side and / or the evacuation door 6 side detects the blockage of the evacuation opening 5 by the evacuation door 6, and this detection means 65. The locking device 59 is switched to the locked position by the control means 66 that has received the detection signal from and the evacuation door 6 is locked.

  The effect | action of said door apparatus 1 with an evacuation door is demonstrated. Here, as an initial state, the opening / closing operation of the evacuation door 6 will be described on the assumption that the evacuation opening 5 of the door body 4 is closed by the evacuation door 6 and the evacuation door 6 is locked by the locking device 59.

  First, the operating means 62 is rotated from the door 9 side to the unlocked position, the locking piece 61 is moved to the unlocked position, and the escape door 6 is unlocked by the locking device 59. Next, when a hand is put on the handle 63 and the handle 63 is pulled toward the door 9 against the elastic restoring force from the elastic body 55, the evacuation door 6 is opened vertically through the hinge portion. It opens to the interior 9 side, and the evacuation opening 5 can be opened. By providing the evacuation opening 5 in such a manner that it can be opened, in the event of a disaster such as an earthquake or fire, the frame body 2 that is pushed up with a strong force in the event of an earthquake and holds the door body 4 open and close is durable. When an external force exceeding the force is applied, the contact resistance between the frame body 2 and the door body 4 increases, and the door body 4 can be opened even when the key and door chain (both not shown) of the door body 4 are unlocked. Even when it becomes impossible to evacuate, it is possible to evacuate to the outdoor 7 through the evacuation opening 5, and an evacuation exit in the event of a disaster can be secured.

  Then, the evacuation door 6 is further laid down toward the interior 9 side of the building, and the upper end portion of the evacuation door 6 that is not connected to the evacuation door side hinge 19 is applied to the floor surface of the interior 9 side. When in contact with each other, a slope erected with an inclination angle θ from the floor surface between the lower portion of the opening edge 11 and the floor surface is formed by the outside 7 side surface of the escape door 6. In this way, the evacuation door 6 forms a slope that eliminates the step between the lower portion of the opening edge 11 of the door body 4 and the floor surface on the side of the door 9, so that even a child or an elderly person can easily lower the opening edge 11 and the floor surface. And the accessibility to the evacuation opening 5 during evacuation is improved. Further, by using steel plates having a thickness of about 1.6 mm for the door inner side surface portion 10 and the door outer side surface portion 8 of the evacuation door 6, it is used as a slope for eliminating a step when passing through the evacuation opening 5. Even if a load such as weight is applied to the evacuation door 6, the evacuation door 6 is prevented from being easily damaged, and when the evacuation opening 5 of the door body 4 is closed by the evacuation door 6, the door body 4 and the evacuation door 6 can be used as a fire door, improving safety in case of fire.

  Further, when the hand is released from the handle 63 of the evacuation door 6 when the evacuation opening 5 is opened, the wire 34 connecting the evacuation door 6 and the door body 4 to the inside of the door body 4 by the elastic restoring force of the elastic body 55. The evacuation door 6 pulled and connected to the wire 34 moves in the outdoor 7 direction, that is, in the closing direction with respect to the evacuation opening 5 to close the evacuation opening 5, and further, by the automatic locking function 64. The evacuation door 6 that closes the evacuation opening 5 is locked to the door body 4. Thus, after the evacuation door 6 automatically closed the evacuation opening 5, the evacuation door 6 was automatically locked, thereby evacuating to the outdoor 7 of the building through the evacuation opening 5. Later, it is possible to prevent a crime from entering the inside of the building from the outside through the evacuation opening 5, improving the safety inside the building after evacuation and protecting the privacy inside the building.

  Here, the wire 34 stretched in the vertical direction from the elastic body 55 inside the door body 4 is stretched in the horizontal direction via the pulley device 27 and connected to the evacuation door 6. Therefore, the evacuation door 6 closes the evacuation opening 5 in a virtual circle R (refer to FIG. 3) representing the rotational operation range of the evacuation door 6 around the evacuation door side hinge portion 19 that is the rotation axis of the evacuation door 6. Since the wire 34 is stretched substantially parallel to the tangential direction at the point where the door is closed (hereinafter referred to as the closed point), the movement starting to fall from the closed point toward the interior 7 side of the evacuation door 6 is started. As a result, the operability of the evacuation door 6 is improved by reducing the operating force to open the evacuation door 6 toward the inside of the door 9 and the burden on the wire 34 is reduced. The life of the door device 1 with an escape door can be prevented from being reduced.

  Furthermore, the tension acting on the wire 34 is dispersed by the elastic restoring force of the elastic body 55 by stretching the wire 34 to which the elastic body 55 is connected to the upper pulley 29 via the lower pulley 31. Further, the operability of the evacuation door 6 is improved by further reducing the operating force for opening the evacuation door 6 toward the interior 9 side.

  Further, when the pulley device side cover 36 is removed, the pulley device 27 of the present embodiment can expose the pair of pulley bodies 29, 31 and the mounting frame 30 from the pulley device side opening 35, and this pulley device. Various operations such as attaching and exchanging the pulley bodies 29 and 31 can be easily performed through the side opening 35.

  Further, the connection frame 37 is provided with a work penetration 46, and a tool such as a screwdriver is allowed to pass through the work penetration 46 from the pulley apparatus side opening 35, and the connection frame is fixed to the first fixation penetration 39. The connecting frame 37 is attached to the longitudinal frame 24 with the means 41 fixed. As described above, since the attachment frame 30 is provided with the working through-hole 46 so that the attachment work of the connection frame 37 to the longitudinal frame 24 can be performed from the pulley device side opening 35 side, the pulley bodies 29 and 31 and the attachment frame are provided. The workability is improved by setting the direction of the attachment work of all the pulley devices 27 of the connection frame 37 as well as 30 to only one direction from the pulley device side opening 35 side.

  Further, for attaching or exchanging the elastic body 55, after removing the elastic body fixing means 54 that fixes the elastic body mounting member 53 and the receiving plate portion 52, the elastic body mounting member 53 from the door body side through portion 51. And the elastic body 55 is attached or replaced. Thus, by providing the elastic body attaching member 53 to which the elastic body 55 is connected so as to be detached independently from the door body 4, the elastic body 55 can be attached or replaced efficiently. .

  Further, since the seal packing 18 is disposed over the entire circumference of the second stepped portion 17, when the evacuation opening 5 is closed by the evacuation door 6, the evacuation door 6 and the evacuation opening 5 By adopting a structure in which the gap is sealed in a watertight or liquid tight manner, moisture and dust can be prevented from entering the door 9 through the gap between the escape door 6 and the escape opening 5.

  Furthermore, by providing the evacuation door 6 on the side of the door 9 so that it can fall down, even if debris or the like is accumulated on the door 7 in the event of a disaster, the evacuation door 6 will not be hindered in its opening and closing operation. Accessibility to the opening 5 is not impaired.

  As described above, this embodiment corresponds to claim 1 and includes a door main body 4 that can be freely opened and closed in a frame 2 provided at the entrance of a building, and an evacuation opening 5 formed in the door main body 4. And an evacuation door 6 formed so as to be able to close the evacuation opening 5, and an evacuation door side hinge portion 19 as a shaft portion that pivotally supports the lower portion of the evacuation door 6 in the vertical direction to the door body 4. The door device with evacuation door 1 includes a closing device C that automatically closes the evacuation door 6, and the closing device C includes an elastic body 55 as urging means for urging the evacuation door 6 in the closing direction. Yes.

  In this case, the closing device C is provided with an elastic body 55 that biases the evacuation door 6 in the closing direction, and the evacuation opening 6 is opened by automatically closing the evacuation opening 5 to pass through the evacuation opening 5. After evacuating outside the building, it prevents the evacuation opening 5 from being left open, conceals it so that the inside of the building cannot be confirmed through the evacuation opening 5, and evacuates from the outside. It is possible to deter crimes entering the building through the opening 5 and protect the privacy inside the building.

  Further, this embodiment corresponds to claim 2, and a wire rod 34 connecting the door body 4 and the escape door 6 via the elastic body 55 to the closing device C, and the wire rod 34 from the door body 4 side to the escape door. And a pulley device 27 provided so as to be guided along the opening / closing direction of the evacuation door 6 toward the side 6.

  In this case, the operation of the evacuation door 6 is made smooth, the operating force for opening the evacuation door 6 is reduced, the operability of the evacuation door 6 is improved, and the burden on the wire 34 is reduced, so that the wire 34 is consumed. The life of the door device 1 with an escape door can be prevented from being reduced.

  Further, the present embodiment corresponds to claim 3, and the evacuation door 6 is provided on the interior 9 side of the building so as to be able to fall down, and the evacuation opening 6 and the interior 9 side are provided by the evacuated evacuation door 6. It constitutes the connecting slope.

  In this case, when the evacuation opening 5 is opened, a slope connecting the evacuation opening 5 and the door 9 side is constituted by the evacuation door 6 lying on the door interior 9 side of the building, The level difference between the evacuation opening 5 and the floor surface on the side of the door 9 is eliminated, and it becomes possible for children and the elderly to easily get over the level difference between the evacuation opening 5 and the floor surface. Access to the opening 5 is facilitated.

  In addition, this embodiment corresponds to claim 4 and includes an automatic locking function 64 as a locking function for locking the evacuation door 6 that closes the evacuation opening 5. The crime which tries to invade the inside of a building is prevented, and the safety of the door device 1 with an escape door is improved.

  Next, a second embodiment of the present invention will be described with reference to FIG. The same parts as those in the first embodiment are denoted by the same reference numerals, and the description of the common parts is omitted because it overlaps. Only the different parts will be described.

  In addition to the configuration of the locking device 59 of the first embodiment, the door device with a evacuation door 1 in this embodiment includes a keyway (not shown) on the outer side surface portion 6A of the evacuation door 6, and this keyway. As with the operation means 62, the locking piece 61 can be switched from the locked position in which the locking piece 61 protrudes from the evacuation door 6 to the unlocked position in which the evacuation door 6 is accommodated. The outside door operating means 67 is provided, and the escape door 6 can be locked / unlocked from the outside 7 side.

  As described above, in the door device 1 with an evacuation door according to the present embodiment, an external force exceeding the durability is exerted on the frame body 2 that is pushed up with a strong force and holds the door body 4 so as to be freely opened and closed in a disaster such as an earthquake or a fire. Is added, the contact resistance between the frame 2 and the door body 4 increases, and the door body 4 cannot be opened even when the key of the door body 4 and the door chain (both not shown) are unlocked. Even in such a case, by operating the outdoor operation means 67 provided on the outside 7 side of the evacuation door 6 to unlock the evacuation door 6, the door 9 enters from the outside 7 to the inside 9 through the evacuation opening 5. It is possible to secure an evacuation port for rescue of elderly people, injured persons, etc. left in the building during a disaster.

  In addition, this invention is not limited to a present Example, A various deformation | transformation is possible. For example, the structure of the locking device is not limited to this locking, and can be modified as appropriate. As for the automatic locking function, as described in the present embodiment, it is detected that the evacuation opening is closed by the evacuation door, the detection signal is received by the control signal, and the locking device is locked. When the evacuation opening is closed by the evacuation door, the switch provided in the evacuation door and / or the evacuation opening is activated, and the operation of this switch directly moves the locking device to the locking position. It may be a mechanical system to be operated.

It is the front view which looked at the door apparatus with an evacuation door which shows 1st Example of this invention from the door inner side. It is the rear view which looked at the door apparatus with an evacuation door from the door exterior same as the above. It is a side view which shows the state which opened the evacuation door same as the above. It is a top view in FIG. 3 same as the above. FIG. 3 is an enlarged front view of the vicinity of the evacuation door. It is a cross-sectional view near the evacuation door. It is a longitudinal cross-sectional view near an evacuation door same as the above. It is another longitudinal cross-sectional view near an evacuation door same as the above. It is a longitudinal cross-sectional view near a wheel apparatus same as the above. It is a front view near opening edge same as the above. It is a side view near the pulley apparatus side opening part same as the above. FIG. 12 is a side view of FIG. 11 before the pulley apparatus is attached. It is a longitudinal cross-sectional view in FIG. 11 same as the above. It is a front view which shows the internal structure of a door main body same as the above. It is a top view which shows a door main body upper part same as the above. It is a longitudinal cross-sectional view of a door main body upper part same as the above. It is a perspective view which shows the state which opened the evacuation door same as the above. It is explanatory drawing which shows the outline of an automatic locking function same as the above. It is the front view which looked at the door apparatus with an escape door which shows 2nd Example of this invention from the door outer side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door device with evacuation door 4 Door main body 5 Evacuation opening 6 Evacuation door 19 Escape door side hinge (shaft)
27 pulley device 34 wire 55 elastic body (biasing means)
64 Automatic locking function C Closing device

Claims (4)

A door body provided at the entrance of the building, an evacuation opening formed in the door body, an evacuation door formed so as to be able to close the evacuation opening, and a lower part of the evacuation door perpendicular to the door body A door device with an evacuation door including a shaft portion pivotally supported on the evacuation door, including a closing device for closing the evacuation door, and urging the evacuation door to the closing device in a closing direction A door device with an evacuation door, characterized by comprising means. A wire rod connecting the door body and the evacuation door to the closure device via the biasing means, and the wire rod can be guided from the door body side to the evacuation door side along the opening / closing direction of the evacuation door. The door device with an evacuation door according to claim 1, further comprising a pulley device provided. 3. The slope according to claim 1, wherein the evacuation door is configured to be able to fall on the inside of the door of the building, and the slope connecting the evacuation opening and the inside of the door is configured by the evacuated door. The door device with an escape door as described. The door device with an evacuation door according to claim 1, further comprising a locking function for locking the evacuation door that closes the opening for evacuation.

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