JP3902695B2 - Guide mechanism for folding revolving door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a guide mechanism for a folding revolving door that can be easily opened from the outdoor side in an emergency even when locked from the indoor side.
[0002]
[Prior art]
A folding revolving door that can widen the passage width when opened and can be conveniently opened and closed even by a disabled person using a wheelchair is known.
[0003]
This is configured to include a door frame, a rotating support column arranged in parallel with the door frame, and a door that is rotatably mounted on support arms attached to the upper and lower sides of the rotating support column. The door is provided with a guide rail at the upper part of the door frame in order to define the opening / closing locus thereof, and a guide pin that engages with the guide rail is provided at an appropriate position on the upper part. The door can be opened at a right angle to the door frame by pushing the side far from the rotating column forward from the indoor side and the side close to the rotating column retreats to the indoor side and rotates as a whole approaches the rotating column.
[0004]
[Problems to be solved by the invention]
According to such a conventional technique, there is a problem that when the door is locked from the indoor side, it cannot be opened from the outside of the room at all even in the case of an emergency such as an indoor user falling down. This is because members such as a rotating column and a supporting arm that support the door are not exposed to the outside of the room.
[0005]
Therefore, in view of the problems of the prior art, an object of the present invention is to provide a folding revolving door that can be easily opened from the outdoor side in an emergency by adopting a guide pin that can be removed from the outdoor side. It is to provide a guide mechanism.
[0006]
[Means for Solving the Problems]
In order to achieve this object, the structure of the present invention includes a horizontally swingable support arm that rotatably supports a door, a guide rail that is attached downward to the upper frame of the door frame, and an outdoor door at the upper end of the door. It is provided with a guide pin attached to the upper end of a guide roller that is removably attached and engages with the guide rail.When the guide pin is removed from the outside of the door, the door is released from the opening and closing locus of the guide pin and the guide rail, The gist of the invention is that the door locked from the indoor side can be opened from the outdoor side by moving the door so that the locking bar member is pulled out from the engagement hole of the frame.
[0007]
The guide pin can be attached to the door via a bracket that forms a slit.
[0008]
The slit may be formed at a right angle to the door, and the guide rail may have a notch corresponding to the guide pin in the closed state of the door.
[0009]
The slit may be formed in parallel with the door.
[0011]
[Action]
According to such a configuration of the invention, the guide pin is attached to the outside of the door and is engaged from below with a guide rail attached downward to the door frame. Therefore, the door can be easily opened from the outdoor side even when locked from the indoor side by removing the guide pin and releasing from the opening and closing locus by the guide rail.
[0012]
If the guide pin is attached to the door via a bracket with a slit, the guide pin can be removed more easily by moving it along the slit of the bracket.
[0013]
If the slit is formed at right angles to the door, the guide pin can be removed by moving along the slit and pulling it out of the guide rail through the notch of the guide rail.
[0014]
If the slit is formed in parallel with the door, the guide pin may be moved in parallel with the guide rail along the slit and extracted downward when removed from the bracket, and can be removed more easily.
[0015]
When the guide pin is engaged with the guide rail via the guide roller, the guide pin can be easily tilted in the guide rail, easily removed from the guide rail, and the force required to open and close the door is reduced, thereby improving the operability of the door. Can be improved.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0017]
The folding rotary door guide mechanism is composed mainly of upper and lower support arms 22 and 23 that support the door 31, guide pins 11 attached to the door 31, and guide rails 13 attached to the door frame 40 (FIG. 1). . However, the support arms 22 and 23 are attached to both ends of the rotary support column 21 arranged in parallel with the collar frame 41 of the door frame 40.
[0018]
The door frame 40 is formed in a gate shape by left and right gutter frames 41 and 42 and an upper frame 43, and is fixed to the wall W and erected on the floor F. Moreover, the eaves frames 41 and 42 are connected via a lower frame 44 embedded in the floor F. The eaves frame 41 is formed by combining a mounting material 41a, surface materials 41b and 41c, a reinforcing material 41d, and a mounting material 41e (FIG. 2). In addition, a packing material 41f is attached to the front side of the surface material 41b, and a door stop 41g is attached to the front end portion of the surface material 41c between the mounting material 41e.
[0019]
The eaves frame 42 is formed by combining an attachment material 42a, a surface material 42b, and an attachment material 42c (FIG. 3). The door stop 42d is attached so as to be housed inside the attachment member 42c.
[0020]
The upper frame 43 is configured by combining a mounting material 43a, a surface material 43b, and a reinforcing material 43c (FIG. 4). A reinforcing material 43d is fixed to the inner surface of the surface material 43b on the side of the collar frame 41.
[0021]
The door 31 includes reinforcing members 31a, 31a, which are connected in a frame shape, decorative plates 31b, 31b attached to the indoor and outdoor surfaces, and reinforcing members 31a, 31a, cores provided in the decorative plates 31b, 31b. It is comprised from the material 31c (FIG. 2, FIG. 3). In addition, edge members 31 d and 31 d are attached to both end surfaces of the door 31.
[0022]
The door 31 is provided with a push plate 32 on the indoor side on the side of the frame 41 (FIGS. 1 and 2), and operation handles 33 and 33 are arranged on both sides of the side of the frame 42 (FIGS. 1 and 3). . A lock handle 34 is assembled under the operation handles 33 and 33. When opening the door 31, the operation handles 33 and 33 can remove the latch 33a from an engagement hole (not shown) on the side of the collar frame 42. Further, the lock handle 34 can cause the collar member 34a to appear and disappear from the side end surface of the door 31, and can lock and unlock the door 31 from the indoor side.
[0023]
The rotary column 21 is arranged in parallel on the front side of the collar frame 41 (FIGS. 1 and 2). The rotary column 21 is made of a square pipe material (FIGS. 2 and 4), and is rotatably accommodated at the corner of the collar frame 41 via upper and lower holding pins 45 and 45 and pin receivers 45a and 45a.
[0024]
The upper pin receiver 45a is formed in a flat plate shape and is screwed to the lower surface of the surface material 43b of the upper frame 43 via a stop plate 45b. The upper holding pin 45 is erected downward on the upper pin receiver 45 a and is rotatably inserted into the plug 21 a of the rotary column 21. The lower pin receiver 45a is made of an angle member, and is screwed to the reinforcing member 41d of the collar frame 41 via a stopper plate 45b. The lower holding pin 45 is erected upward on the pin receiver 45a and is rotatably inserted into the plug 21a of the rotary column 21 via the bearing 21b. The bearing 21b is held via a stop ring 21c. The rotating column 21 can be rotated left and right around the holding pins 45, 45 by correctly arranging the upper and lower holding pins 45, 45 on the axis of the rotating column 21.
[0025]
The support arms 22 and 23 are horizontally provided at the upper and lower ends of the rotary column 21 (FIG. 1). Each of the support arms 22 and 23 is set to a length that is ½ or less of the full width of the door frame 40. The support arm 22 is made of a rectangular pipe material having a vertically long cross section (FIG. 5), and the support arm 23 is made of a flat plate material. A decorative material 43f for closing the space between the upper frame 43 and the door 31 is assembled to the upper frame 43 at the tip of the support arm 22 (FIG. 1). The support arms 22 and 23 can swing horizontally around the holding pins 45 and 45 via the rotary support 21.
[0026]
An upper connecting pin 25 is attached to the tip of the support arm 22 downward. The connecting pin 25 has a flange at the upper end, and a male screw portion is formed at the lower part. The connecting pin 25 is inserted into a thrust bearing 25a held via a bearing receiver 25b, and is screwed into a connecting plate 36 attached to the reinforcing material 31a of the door 31. An opening 22 a is formed on the upper surface of the support arm 22 corresponding to the connecting pin 25. On the other hand, a lower connecting pin 25 is erected upward at the tip of the support arm 23, and the connecting pin 25 is rotatably inserted into a reinforcing member 31 a of the door 31 via a bearing 35. Therefore, the support arm 22 can suspend the door 31 via the upper connection pin 25, and the door 31 is rotatably supported via the upper and lower connection pins 25 and 25 and the support arms 22 and 23. ing.
[0027]
The guide rail 13 is attached to the lower surface of the upper frame 43 over the entire width of the door frame 40 on the outdoor side of the door frame 40 (FIGS. 1 and 5). The guide rail 13 is formed by an extruded profile having a downward U-shaped groove 13a (FIGS. 5 and 6), and is screwed to an overhang 43e formed on the surface material 43b of the upper frame 43. Yes. However, a support material 43g is accommodated in the overhang portion 43e.
[0028]
The guide pin 11 is attached to the outdoor side via the bracket 12 at the upper end of the door 31 (FIGS. 1 and 7). However, FIG. 7B is a view corresponding to the Z arrow in FIG. The guide pin 11 is provided with a guide roller 11a engaged with the groove 13a of the guide rail 13 at the upper end, and is erected on the bracket 12 via a cap nut 11b. The bracket 12 has a slit 12a for fixing the guide pin 11 formed at a right angle to the door 31. The bracket 12 is screwed to the door 31 via set screws 12b, 12b. The bracket 12 is provided with a detachable cover 12c.
[0029]
The guide rail 13 has a notch 13b (FIGS. 6 and 7). The notch 13 b corresponds to the guide pin 11 when the door 31 is closed. Therefore, the guide pin 11 removes the cover 12c, removes the cap nut 11b, moves it to the outdoor side along the slit 12a, and pulls it out through the notch 13b (in the direction of the arrow K7 in FIG. 6). It can remove from 31 and can cancel | release engagement with the guide rail 13 (two-dot chain line of the figure). However, the guide pin 11 is formed with a prismatic portion 11c that fits the slit 12a and is appropriately prevented from rotating with respect to the base portion of the male screw portion into which the cap nut 11b is screwed.
[0030]
In the closed state (solid line in FIG. 8), the door 31 that is not locked is pushed by pushing the side far from the rotary column 21, that is, the operation handle 33 side (in the direction of arrow K1 in the figure), The support arms 22 and 23 rotate inward (in the direction of arrow K2 in the figure) by rotating around the holding pins 45 and 45 at the same time. The left and right movements of the door 31 are restricted by the guide pins 11 and the guide rails 13. The door 31 rotates around the connecting pins 25 and 25, and at the same time, the guide pin 11 advances toward the rotating column 21 (the arrow in the figure). (K3 direction), it moves to the rotating column 21 side as a whole. Therefore, the door 31 passes through a half-open state that is obliquely located with respect to the door frame 40 (the dashed line in the figure), and is sufficiently close to the inner surface of the flange frame 41 on the rotary column 21 side and fully opened at a right angle to the door frame 40. (Two-dot chain line in the figure).
[0031]
When the door 31 is fully opened, the push plate 32 side is pushed outward (in the direction of arrow K4 in the figure), or the operation handle 33 side is pulled inward (in the direction of arrow K5 in the figure) to show the locus when opened. You can close it back to its original state. To open the closed door 31 from the outdoor side, the operation handle 33 side may be pulled forward (in the direction of arrow K6 in the figure).
[0032]
Even when the door 31 is locked from the indoor side, it can be forcibly opened from the outdoor side in an emergency (FIG. 9).
[0033]
That is, the door 31 removes the guide pin 11 to release it from the opening and closing locus by the guide pin 11 and the guide rail 13, and pushes the side closer to the rotating column 21, that is, the vicinity of the connecting pins 25 and 25 to the indoor side ( The support arms 22 and 23 are rotated inward (in the direction of arrow K9 in the figure), and the locking hook member 34a is moved obliquely so as to be removed from the engagement hole of the hook frame 42. (The dashed line in the figure). Therefore, the door 31 can be rotated fully about the connecting pins 25 and 25 and fully opened by pulling the operation handle 33 side toward the outdoor side (in the direction of arrow K10 in the figure). Dotted line). Further, the door 31 can be opened to the state of the two-dot chain line in FIG. 8 by further rotating the support arms 22 and 23 in the direction of the arrow K9 in FIG. However, the rotation angle of the support arms 22 and 23 and the opening angle of the door 31 may be determined according to the situation depending on the state of the patient in the room, particularly in which position in the room the door 31 cannot move.
[0034]
[Other embodiments]
The slit 12a of the bracket 12 may be formed in parallel with the door 31 (FIG. 10). The guide rail 13 at this time may omit the notch 13b. The guide pin 11 loosens the cap nut 11b, moves along the slit 12a (two-dot chain line in the figure), and removes the guide pin 11 downward at a position removed from the slit 12a, thereby releasing the engagement with the guide rail 13. be able to.
[0035]
6 and 10, the guide pin 11 may be removed from the door 31 by removing the set screws 12b, 12b...
[0036]
The bracket 12 may be detachably attached to the trapezoid base 14 attached to the door 31 (FIG. 11). However, the trapezoid base 14 is formed in a trapezoidal cross section and is screwed to the door 31 via set screws 14b, 14b.
[0037]
The trapezoidal base 14 is formed with an engaging recess 14a having an open lower portion whose upper portion is bent sideways. On the other hand, the bracket 12 is formed with an upper open trapezoidal groove 12d that fits the trapezoidal base 14 on the back side, and a horizontally long slot 12e is formed in the front center. A set screw 12f with a washer 12f1 and a square nut 12f2 is inserted into the long hole 12e. The set screw 12f can be rotated by a plate-like member containing coins in addition to a normal screwdriver, and the square nut 12f2 can be housed in the engaging recess 14a of the trapezoidal base 14.
[0038]
Therefore, the bracket 12 has a guide pin 11 with a guide roller 11a erected on the slit 12a and is moved upward from below the trapezoid base 14 so that the trapezoid base 14 is inserted into the trapezoid groove 12d. 12f2 can be inserted into the engagement recess 14a and engaged, and the set screw 12f and the square nut 12f2 can be moved laterally at the upper end of the engagement recess 14a, and the set screw 12f can be tightened to fix it to the door 31. it can. Also, the bracket 12 loosens the set screw 12f, moves the set screw 12f and the square nut 12f2 along the engaging recess 14a, removes the guide pin 11 from the door 31, and removes the guide pin 11 from the door 31. be able to.
[0039]
The bracket 12 may be attached to the trapezoid base 14 via a manually operated hook 12g instead of the set screw 12f and the square nut 12f2 (FIG. 12). The hook 12g is swingably accommodated in a long hole 12g2 formed in the bracket 12 via a support pin 12g1. Further, the trapezoidal base 14 is formed with a stepped portion 14c with which a hook portion at the upper end of the hook 12g is engaged, and a leaf spring 14d for urging the lower portion of the hook 12g outward is attached. A compression spring 12h that urges the bracket 12 downward via a ball 12h1 is incorporated at the lower end of the bracket 12, and the compression spring 12h is set via a screw plug 12h2.
[0040]
The bracket 12 pushes up the whole slightly slightly so as to compress and compress the compression spring 12h (the two-dot chain line in FIG. 12), and pushes the lower portion of the hook 12g against the leaf spring 14d, thereby moving the hook 12g to the step 14c. It can be removed from the door 31 together with the guide pins 11 by pulling down the whole as it is and removing it from the trapezoidal base 14.
[0041]
The bracket 12 may be removable via a rotary engagement member 12m and a cap 12n that rotates the engagement member 12m (FIG. 13). 1A is a cross-sectional view corresponding to the bracket 12, and FIG. 1B is a cross-sectional view corresponding to the line AA in FIG.
[0042]
The engaging member 12m is formed in a T-shape as a whole by attaching a shaft 12m2 to a rod-shaped engaging portion 12m1. A serrated engagement claw 12m3 is formed at the tip of the shaft 12m2. The cap 12n is formed with an engaging claw 12n1 adapted to the engaging claw 12m3 of the engaging member 12m on the inner surface, and is biased outward via a compression spring 12n2. However, the cap 12n is prevented from coming off via a retaining ring 12n3. The trapezoid base 14 is formed with an engaging recess 14e having a lower opening, and a circular portion 14e1 around which the engaging portion 12m1 of the engaging member 12m can turn is attached to the upper end of the engaging recess 14e.
[0043]
By pushing the cap 12n against the compression spring 12n2, the engaging claws 12n1, 12m3 can be engaged and coupled to the shaft 12m2 of the engaging member 12m. Therefore, when the engagement member 12m is rotated by 90 ° through the cap 12n, the engagement portion 12m1 of the engagement member 12m becomes parallel to the engagement recess 14e of the trapezoidal base 14 (two-dot chain line in FIG. 13B). ), The bracket 12 can be removed as it is extracted below the trapezoidal base 14.
[0044]
In addition, irrespective of FIG. 1, the door 31 may form a cutting window in an appropriate position, and may provide the louver for ventilation | gas_flowing. The gallery can make it easier to convey an emergency in the room to the outside by voice.
[0045]
In addition, the present invention can be particularly preferably used for a toilet booth for a wheelchair or the like in which an emergency such as a patient being trapped in a room is likely to occur.
[0046]
【The invention's effect】
As described above, according to the present invention, by providing the guide pin that can be removed from the outdoor side of the door, the door is removed from the outdoor side even when the door is locked from the indoor side. Therefore, there is an excellent effect that the patient in the room can be rescued promptly in an emergency.
[Brief description of the drawings]
[Fig. 1] Overall front view [Fig. 2] Enlarged cross-sectional view corresponding to line X1-X1 in Fig. 1 [Fig. 3] Enlarged cross-sectional view corresponding to line X2-X2 in Fig. 1 [Fig. X3 arrow equivalent enlarged sectional view [FIG. 5] FIG. 1 X4-X4 arrow equivalent enlarged sectional view [FIG. 6] Y arrow equivalent perspective view of FIG. 5 [FIG. FIG. 8 is an operation explanatory diagram (1).
FIG. 9 is an operation explanatory diagram (2).
FIG. 10 is an equivalent view of FIG. 6 showing another embodiment. FIG. 11 is an exploded perspective view of the main part showing another embodiment. FIG. 12 is a vertical cross-sectional view of the main part showing another embodiment. FIG. 13 is a main part configuration explanatory view showing another embodiment.
DESCRIPTION OF SYMBOLS 11 ... Guide pin 11a ... Guide roller 12 ... Bracket 12a ... Slit 13 ... Guide rail 13b ... Notch 22, 23 ... Support arm 31 ... Door 40 ... Door frame

Claims (4)

A horizontally swingable support arm that rotatably supports the door, a guide rail attached downward to the upper frame of the door frame, and a guide that is detachably attached to the outdoor side of the upper end of the door and engages with the guide rail. becomes a guide pin for attaching a roller to the upper end, Tatewaku and you remove the guide pin from the outdoor side of the door, the guide pin is released the door from closing trajectory by the guide rails, the locking bar for locking A folding revolving door guide mechanism characterized in that the door locked from the indoor side can be opened from the outdoor side by moving the door so as to be extracted from the engagement hole .   The guide mechanism for a folding revolving door according to claim 1, wherein the guide pin is attached to the door via a bracket forming a slit.   3. The folding rotary door guide mechanism according to claim 2, wherein the slit is formed at a right angle to the door, and the guide rail has a notch corresponding to the guide pin when the door is closed.   The folding slit door guide mechanism according to claim 2, wherein the slit is formed in parallel with the door.

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