JP2006233417A5 - - Google Patents

Description

Rotating folding door

In the present invention, the first door and the second door are connected in a foldable manner via a connecting member having two connecting shafts , and are configured to be rotatable around the connecting shafts. It relates to folding doors. In the following description, the second door is a door having the same width or a narrow width as the first door.

  As this type of rotating folding door, the folding revolving door 3 is composed of a combination of a narrow child door 4 and a wide parent door 5, and the child door 4 and the parent door 5 are arranged on one side thereof. A foldable revolving door having a structure in which the doors 4 and 5 are pivotably connected and attached to a vertically long gate-type door frame 2 has been proposed. (See Patent Document 1)

The foldable revolving door has a connecting member that pivotally supports the inner upper and lower ends of both the parent and child doors, is coaxial with the connecting shaft of the connecting member, and is integrally coupled to the parent and child doors. a pair of folding connecting means consist of a gear of the same size meshing, also on the inside portion of the slave door and Shintobira, hollow召合allowed rubber body having a semicylindrical outer peripheral surface of the cover member is stretched respectively The two hollow summed rubbers are arranged so that the semi-cylindrical outer peripheral surfaces thereof face each other. The summoned rubber body is further provided with a protrusion in the longitudinal direction substantially at the center of the outer semi-cylindrical wall plate. This ridge contacts and engages with a similar ridge formed on a similar summing rubber body attached to one side surface (side surface of the connecting portion with the child door) of the main door, and the revolving door is closed. In this case, the connecting portion between the child door and the parent door is sealed, and the room space and the corridor are closed and blocked by the door. The ridges formed on the main door are formed at symmetrical positions so as to engage with the ridges formed on the summing rubber body on the child door side.
Japanese Patent No. 3321098

  However, the folding revolving door described in Patent Document 1 has a hollow summing rubber body having a semi-cylindrical outer peripheral surface as a cover member on the inner side of the child door and the main door, respectively. When the revolving door is closed, the ridge formed in the vertical direction at the substantially central portion of the semi-cylindrical wall plate outside the body is one side surface of the main door (the side surface of the connecting portion side with the child door). ) Are in contact with and engaged with similar ridges formed on the same summing rubber body attached to), and both ridges are damaged and painful, and the opening of the building is closed Then, since both protrusions are brought into contact with each other and engaged with each other, if a finger or jig is inserted from one side and moved so as to be opened, a gap may be generated and viewed. Therefore, it cannot be used as a door for toilets in hospitals, department stores, public toilets, and other public buildings.

  Accordingly, the problem to be solved by the present invention is that the cover member is stretched between the connecting portions of the two doors, and the protrusion of the cover member is not damaged when the rotary door is opened and closed. In addition, an object of the present invention is to provide a rotary folding door that does not generate a gap even when a finger or a jig is inserted between both cover members that face each other when both doors are closed.

The invention according to claim 1 in order to solve the above problems, with the first door and the second door is foldably connected via a connecting member having a connecting shaft of the two, each A vertically long door connection frame member is attached along the vertical side of the connection side of the first door and the second door, and is arranged outside the door connection frame member. In a rotary folding door in which a cover member having a semi-cylindrical outer peripheral surface is fitted and stretched at a portion, two protrusions protruding outward along the vertical side are formed on the semi-cylindrical outer surface of each cover member. The protrusions of the cover members are not in contact with each other in an operation state in which the first door and the second door are pivotally opened and closed by being provided at asymmetric positions on the left and right from the center position in the width direction. In the state where both the doors are closed and arranged on one vertical surface, one cover member A rotary folding door characterized in that the protrusions of the other cover member enter the recesses between the protrusions, and the staggered arrangement closes the gap between the first door and the second door. is there.

  The invention according to claim 2 is the rotary folding door according to claim 1, wherein the cover member is formed of a resilient material such as rubber or resin.

  According to the rotary folding door of the present invention, the elastic cover member attached along the vertical side of the connecting side of the first door and the second door has the opening of the building as the rotary door rotates. Since the protrusions of the cover member are not in contact with each other when the door is opened and closed, the protrusions of the cover member are not damaged by the opening / closing operation of the rotary folding door. Moreover, in the state which has arrange | positioned both doors on the one vertical surface and has closed the opening part of the building, since the protrusion of the other cover member has entered into the recessed part between the protrusions of a cover member, one side ( Even if a finger or a jig is inserted between the pair of protrusions on the outdoor side and moved so as to be opened, the pair of protrusions on the other side (inner side) are deformed so that no gap is generated. For this reason, there is no need to look into the other side from one side, and practical use not only for toilets or bathroom doors for hospitals, department stores, and other public buildings, but also for public toilet doors. Can do.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view of an entire door facility provided with a rotary folding door in the present embodiment, and FIG. 2 is an operation explanatory view of the rotary folding door in the embodiment of FIG.

  In FIG. 1, the basic structure of the rotary folding door is that the rotary folding door 3 is a combination of a first door 5 and a second door 4, and the first door 5 and the second door 4 are: They are foldably connected on one side. And these both doors 4 and 5 are attached to the vertically long gate-shaped door frame 2 which comprises the opening part of a building, and the one side of the 2nd door 4 is pivotally attached.

  Then, when the free end side of the first door 5 is pushed or pulled to rotate, the second door 4 rotates around the pivot point, and the first door 5 also rotates the second door. Accordingly, the first door 5 and the second door 4 are rotated along the rails provided on the door frame body 2 so that their connecting portions protrude to the near side or the opposite side. On the other hand, the doors are opened when the first door 5 is pulled toward the second door 4 by being folded together.

  The door frame body 2 includes left and right vertical frame bodies 8 and 8 and an upper frame body 9 having both ends fixed to and integrated with the left and right vertical frame bodies 8 and 8.

  As shown in FIG. 2, the vertical frame body 8 is formed in a structure in which a column member 8c is sandwiched between an elongated inner bent piece 8a and an outer bent piece 8b, and the inner bent piece 8a. Has a cross-sectional shape in which the front end in the width direction is slightly bent at a right angle inward and the bottom surface is recessed inward leaving a slight width on both sides. And the formed recessed part 8d is arrange | positioned so that it may face inward, The width direction of the 1st door 5 and the 2nd door 4, and an outer end surface are set to the recessed part 8d of these vertical frame bodies 8 and 8. Are partially accepted.

  A suspension rail member 10 is attached to the lower portion of the upper frame body 9. A rail 10a, 10a is formed on the inner surface of the lower portion of the suspension rail member 10 with a predetermined width on both sides in the width direction, and a suspension shaft 35 fixed to the upper surface of the first door 5 described later is a door frame. A long and narrow opening 10b is formed between the rails 10a and 10a so as to be able to travel in the lateral width direction of the body 2 between the rails 10a and 10a.

  Further, in the suspension rail member 10, the first door 5 is moved via the suspension shaft 35 when both doors 4 and 5 are closed near the end of the door frame 2 on the vertical frame body 8 side. An air damper 18 is attached to reduce the closing speed of the first door 5 when the tip 19a of the piston rod 19 comes into contact with a part of a four-wheel upper suspension wheel 36 to which a suspension shaft 35 is fixed as a body.

  The second door 4 has lateral reinforcement frames 4a and 4a each having an arc-shaped cutout 4b formed at one end on the upper and lower surfaces of the door member 11 constituting the main body, and the second door 4 has a second door on the right side. A semi-cylindrical long cover member 15 that houses a rotating shaft that rotatably supports 4 is attached, and a semi-cylindrical long cover member 50 is attached to the left side surface. The cover member 50 is attached to close a gap between the first door 5 and the first door 5 connected to the second door 4.

  Further, the first door 5 is fixed with lateral reinforcing frames 5a and 5a having arcuate cutouts 5b formed at one end on the upper and lower surfaces of the door member 12 constituting the main body, and the first door 5 has a first A semi-cylindrical long cover member 50 that closes a gap between the second door 4 and the second door 4 connected to the door 5 is attached, and the first door 5 is vertically connected to the door frame 2 on the left side surface. A long cover member 16 having a semicircular cross section is attached to close (or narrow) the gap when the frame 8 is brought into contact with (or close to) the frame body 8. Bar magnets 17 are housed in the cover member 16 and in the vertical frame body 8 on the side abutting (or close to) the cover member 16, respectively, the rotary folding door 3 is closed, and the first door 5 is opened. When the frame 2 is brought into contact with the vertical frame 8, the state is maintained. The door member 11 forming the main body portion of the second door 4 and the door member 12 forming the main body portion of the first door 5 have an elongated rectangular flat plate shape. The door members 11 and 12 are made of metal or synthetic resin, but may be made of wood.

  Note that the second reinforcing door 4 is formed only by the door member 11 without fixing the horizontal reinforcing frames 4a and 4a to the upper and lower surfaces of the door member 11, and similarly, the upper and lower surfaces of the door member 12 are laterally reinforced. The 1st door 5 can also be formed only with the door member 12, without adhering frame 5a, 5a.

  A hinge 30 having a rotation axis in the vertical direction is embedded and attached to the upper right end portion of the door member 11 constituting the main body portion of the second door 4. Further, the upper part of the hinge 30 is fixed to the suspension rail member 10 of the door frame body 2 with a screw via a bracket 31.

  A cylindrical hinge 32 is embedded in the lower right end portion of the door member 11. A rotating shaft 33 is fitted into the cylinder of the hinge 32, and the door member 11 is rotatably supported by the rotating shaft 33. The rotary shaft 33 is implanted in a thrust bearing (not shown), and the thrust bearing is fixed on a horizontal bent portion of an L-shaped bracket 34 attached to the right vertical frame 8 of the door frame 2. . Therefore, the load of the second door 4 is received by the planting surface of the rotating shaft of the thrust bearing. Thereby, the second door 4 is rotatably supported by the right end portion of the door frame body 2.

  The door member 12 forming the main body of the first door 5 has a suspension rail member 10 whose upper surface is the door frame body 2 at a position near the center in the width direction, exactly at a position corresponding to the rotation radius of the second door 4. The upper and lower ends of the connecting portion with the second door 4 on the right side of the second door 4 are connected to and supported by the upper and lower ends of the left side of the second door 4 so as to be foldable. Thus, the door frame 2 is attached.

  The structure of the portion in which the upper surface of the first door 5 is rotatably suspended by the suspension rail member 10 of the door frame 2 is as follows. A suspension shaft 35 is fixedly attached to the upper surface of the door member 12 constituting the main body of the first door 5. The suspension shaft 35 passes through a bearing hole 38 formed in the center portion of the base plate 37 of the four-wheeled upper suspension wheel 36, and is supported so as to be prevented from being detached therefrom and rotatable. Therefore, the first door 5 is suspended by the upper suspension wheel 36 via the suspension shaft 35 and is supported by the bearing hole 38 of the upper suspension wheel 36 so as to be rotatable.

  Since the wheel 39 rotatably attached to the base plate 37 rolls on the rails 10a and 10a, the upper suspension wheel 36 can travel along the rails 10a and 10a. The travel range is that when the revolving door 3 is completely opened from the position near the tip 19a of the piston rod 19 when the revolving door 3 is in a closed state and the piston rod 19 is housed in the air damper 18. Up to a position near the right end of the upper frame body 9.

Next, the structure of a portion in which the upper right and lower ends of the first door 5 are connected to the upper left and lower ends of the second door 4 so as to be foldable with each other will be described. First, the connecting member 40 that connects the first door 5 and the second door 4 so as to be foldable will be described. In the connecting member 40, two connecting shafts 42, 42 protrude at a predetermined interval from one surface of a flat connecting plate 41, and a pair of gears having the same dimensions (in the figure, teeth 45 are half-shaped). (A spur gear formed along the circumference is adopted) 43, 43 shaft holes 43a are fitted, and the pair of gears 43, 43 are rotatably supported and are configured to mesh with each other. ing. Each of the gears 43 and 43 is provided with a pair of screw holes 43b and 43b across the shaft hole 43a of the connecting plate 41.

  The left side surface located on the vertical side on the connection side of the door member 11 forming the main body portion of the second door 4 and the right side positioned on the vertical side on the connection side of the door member 12 forming the main body portion of the first door 5. On the side surfaces of the door members 11, 12, longitudinal metal door connecting frame members 20, 20 having the length of the longitudinal sides are attached along the longitudinal sides of the door members 11, 12.

Cover members 50 and 50 having a semi-cylindrical outer peripheral surface are fitted and stretched on the outer side portions of the door connecting frame members 20 and 20. Further, on the upper and lower end faces of the door connecting frame members 20 and 20 and the cover members 50 and 50, the connecting members 40 and 40 respectively connect the pair of gears 43 and 43 to the door connecting frame members 20 and 20 and the holes 43b. is attached by inserting a screw into 43b. In this way, the connecting members 40, 40 are fixed to the upper and lower end faces of the door connecting frame members 20, 20, so that the door members 11, 12 are connected via the door connecting frame members 20, 20 attached thereto. The right upper and lower ends of the first door 5 are connected to the left upper and lower ends of the second door 4 so that the first door 5 and the second door 4 can be folded together. . The connecting members 40 and 40 are covered with box-shaped gear covers 46 and 46 having an eyeglass-shaped appearance and an open top surface, and are attached to the connecting plate 41 by screws.

In this state, the joints between the gears 43 and 43 and the door connecting frame members 20 and 20 are in contact with the upper and lower end faces of the cover members 50 and 50, but the eyeglass-shaped gear covers 46 and 46 are A predetermined gap is provided between the upper and lower end faces of the cover members 50, 50, and when the first door 5 and the second door 4 are folded, the gear cover 46 is provided with the cover members 50, 50 and It arrange | positions so that the door members 11 and 12 may not be contacted.

  Next, an embodiment of the joint structure between the door connecting frame member 20 and the cover member 50 will be described in more detail with reference to FIG.

  FIG. 3 is a schematic explanatory diagram of the door connecting frame member 20 and the cover member 50 according to the first embodiment of the present invention. The door connecting frame member 20 is formed of metal, resin, or the like, has a mounting groove portion 22 having a U-shaped cross section having an opening 21 on the outside, and the door member of the second door 4 in the opening 21. 11 (or the door member 12 of the first door 5) is fitted with a side surface located on the vertical side of the connecting side and attached to the door member 11 with screws. On the back surface of the opening 21 of the mounting groove 22, a ridge 23 having a low height is provided on the outer side in the width direction of the door connecting frame member 20, and a ridge 24 having a low height substantially the same as the ridge 23 is provided on the inner side. Further, the ridges 25 having a higher height are provided along the longitudinal side in parallel with each other in pairs in a symmetrical manner in the width direction at intervals.

On the back surface of the opening 21 located between the high pair of protrusions 25, 25, a groove portion 27 formed of a rib 26 concentric with the gear 43 and having a C-shaped cross section has an opening 28 on the outside. Is provided. The ends of the pair of ridges 25, 25 are connected to the outside of the rib 26 by forming screw receiving portions 26 a, 26 a having a C-shaped cross section having a pair of screw holes 41 b, 41 b for attaching the gear 43. Has been. The protrusion 25 extends ahead of the position of the screw receiving portion 26a, and its tip is folded back so as to be opposed to the lower protrusion 24 with an interval therebetween. . As a result, a groove-shaped hook receiver having a part of the high ridge 25 as a bottom surface, the distal end portion 25a of the high ridge 25 folded back and the low ridge 24 forming a locking wall and having an opening 24a on the outside. The part 29 is formed long along the vertical side. In addition, the front-end | tip part of the protrusion 24 and the protrusion 25a is formed in the taper shape which spreads outward sharply.

  The cover member 50 is formed in a hollow shape from an elastic material such as rubber or resin, has a substantially semi-cylindrical shape having an opening 51 on the inside, and has a thickness along the outer periphery inside the semi-cylindrical. A provided C-shaped reinforcing rib 52 is formed. On the inner surface of the rib 52, protrusions 53 are provided on the end side, and protrusions 54 are provided inside the ribs 52 in pairs, symmetrically from the vicinity of the center at intervals. Further, hooks 55 and 55 having a T-shaped cross section having a locking portion 55a at the tip and projecting a predetermined length toward the center of the semi-cylinder are long at both end edges of the inner surface of the opening 51 of the cover member 50. It is provided on the scale. On the semi-cylindrical outer surface of the cover member 50, two hollow ridges 57a and 57b having a circular arc shape are provided so as to protrude outward along the vertical side from the center position A in the width direction to the left and right asymmetry positions. Yes. The interval between the protrusions 57a and 57b in the cover member 50 is arranged to be larger than the individual widths of the protrusions 57a and 57b.

  When the hooks 55, 55 of the cover member 50 are engaged with the hook receiving portions 29, 29 of the door connecting frame member 20, the C-shaped reinforcing member of the cover member 50 is used as shown in FIGS. A pair of protrusions 53, 53 provided on the inner surface of the rib 52 abuts on the outer peripheral surface of the C-shaped rib 26 of the door connecting frame member 20, and in this state, the pair of protrusions 54, 54 are the ribs 26. The hook 55 is fitted into the hook receiving portion 29, the position where the hook 55 can be inserted by the ridge 23 is restricted, and the locking wall made of the ridge 24 The locking portion 55a is prevented from coming off by the locking wall 25a, the cover member 50 is fixed substantially coaxially to the C-shaped rib 26, and the range where the outer circumference of the semi-cylinder has greatly exceeded 180 degrees is wound. And are integrally joined to the door connecting frame member 20.

  Next, in the opening / closing operation of the first door 5 and the second door 4, the cover member 2 asymmetrically protrudes right and left from the vicinity of the center of each semicylindrical outer surface and is provided along the longitudinal side 2. A mode in which the protrusions 57a and 57b of the book close the gap between the first door 5 and the second door 4 will be described with reference to FIGS. 4 (a), (b) and (c).

  4 (a), 4 (b), and 4 (c) show a gap between the first door 5 and the second door 4 in cooperation with the protrusions of the cover member of Example 1 of the present invention in a non-contact state. It is the schematic which shows the operation | movement which obstruct | occludes. As shown in FIG. 4A, when the rotary folding door 3 is closed, the cover members 50, 50 of the first door 5 and the second door 4 are arranged facing each other. The cover member 50 of the 1st door 5 and the 2nd door 4 is the same shape, and the two protrusions 57a and 57b which made the cross-section circular arc shape center on the semi-cylindrical outer surface of each cover member 50 It protrudes asymmetrically from the left and right from the vicinity and is provided along the vertical side in a long shape. The two protrusions 57a and 57b of the cover member 50 of the first door 5 and the cover member 50 of the second door 4 are arranged to face each other in a point-symmetric manner, and the cover member of the first door 5 50 and the protrusions 57a and 57b of the cover member 50 of the second door 4 are arranged in a non-contact state with each other.

  When the rotary folding door 3 is closed and the doors 4 and 5 are closed and arranged on one vertical surface, the other cover member 50 is inserted into the recess 57c between the protrusions 57a and 57b of the one cover member 50. The protrusions 57a or 57b enter and are arranged alternately. In this state, the protrusions 57a and 57b are not in contact with each other, and the gap S between the first door 5 and the second door 4 is closed.

And if the rotation folding door 3 opens by pushing the connection part of the 1st door 5 and the 2nd door 4, the 1st door 5 and the 2nd door 4 will connect a pair of gears 43 mutually. 43, the second door 4 is centered on the C-shaped rib 26 of the door connecting frame member 20 on the left side surface located on the vertical side of the connecting side of the door member 11 constituting the main body. Further, the first door 5 is centered on the C-shaped rib 26 of the door connecting frame member 20 on the right side surface located on the vertical side of the connecting side of the door member 12 constituting the main body. To turn.

At this time, the protrusions 57a and 57b of the cover member 50 of the first door 5 and the cover member 50 of the second door 4 are in a non-contact state while maintaining a predetermined phase with the pair of gears 43 and 43. The protrusions 57a or 57b of the other cover member 50 enter the recesses 57c between the protrusions 57a and 57b of the one cover member 50, and the arrangement is alternate. When the rotary folding door 3 is opened to the fully folded state, the first door 5 and the second door 4 stop at the positions where the protrusions 57a and 57b are most separated from each other. The protrusions 57a and 57b in 50 are arranged in the same manner.

It is a front view of the whole door installation provided with the rotation folding door in this embodiment. It is effect | action explanatory drawing of the rotation folding door in embodiment of FIG. FIG. 3 is a schematic explanatory diagram of a door connecting frame member 20 and a cover member 50 according to the first embodiment. (A) (b) (c) is an outline showing an operation in which the protrusions of the cover member of the first embodiment maintain a non-contact state and the gap between the first door 5 and the second door 4 is closed. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Door frame 3 Rotating folding door 4 2nd door 4a, 5a Lateral reinforcement frame 5 1st door 8 Vertical frame 8a Inner bending piece 8b Outer bending piece 8c Column member 8d Recessed part 9 Upper frame body 10 Suspension rail Member 10a Rail 10b Opening 11, 12 Door member 15, 16, 50 Cover member 17 Bar magnet 20 Door connecting frame member 21, 24a, 28, 51 Opening 22 Mounting groove 23, 24, 25, 53, 54 Projection 25a Engagement Stop wall 26 Rib 26a Screw receiver 27 Groove 29 Hook receiver 30, 32 Hinge 31 Bracket 33 Rotating shaft 34 L-shaped bracket 35 Suspension shaft 36 Upper suspension wheel 37 Base plate 38 Bearing hole 39 Wheel 40 Connection member 41 Connection plate 41b, 43b hole 42 connecting shaft 43 gear 43a shaft hole 45 teeth 46 gear cover 52 reinforcing rib 55 hook 55a locking portion 57a, 57b protrusion 57c Recess A Center position

Claims (2)

The first door and the second door are foldably connected via a connecting member having two connecting shafts , and are configured to be rotatable about the connecting shafts. A frame member is attached along the vertical side of the connecting side of the first door and the second door, and a cover member having a semi-cylindrical outer peripheral surface is fitted on the outer side of the door connecting frame member. In the rotary folding door that is stretched,
On the semi-cylindrical outer surface of each cover member, two ridges projecting outward along the vertical side are provided at asymmetric positions on the left and right from the center position in the width direction, and the first door and the second door In the operation state in which the projections are rotated and opened, the protrusions of the cover members are not in contact with each other, and in the state where the doors are closed and arranged on one vertical surface, one cover member The rotating folding door is characterized in that the protrusions of the other cover member enter into the recesses between the protrusions of the first and second doors, and the gaps between the first door and the second door are closed in a staggered arrangement. .   The rotary folding door according to claim 1, wherein the cover member is made of an elastic material such as rubber or resin.