JP4195464B2 - Folding door system - Google Patents

Description

  The present invention relates to a folding door system in which a folding door is slidably attached to the outside of a door frame in place of an existing rotating hinged door that opens and closes an opening formed in a wall.

  Recently, when remodeling the building into a structure suitable for nursing care, for example, remove the swing type swing doors from existing doors and replace them with sliding sliding doors that are kind to care recipients. There are many. Conventionally, when replacing a hinged door with a sliding door, after removing the hinged door from the existing door frame, for example, as shown in FIG. 9, the sliding door 1 is placed outside the same door frame 2 by the so-called outset method (front side in the figure). And is attached so as to be able to reciprocate left and right along the door pocket wall 4a of the opening 3 and the wall 4. Therefore, while the guide rail 5 is attached to the upper wall 4b sideways on the wall body 4, a pair of door wheels 6 and 6 pivotally supported on a plate surface facing the opening 3 are engaged with the guide rail 5. The sliding door 1 is suspended so as to be slidable left and right between the fully closed position and the fully open position shown in the drawing.

  However, when replacing the sliding door 1, it is assumed that there is a door pocket space such as the door pocket wall 4a on the side of the opening 3 so that an effective opening width at the opening 3 is ensured when fully opened. It is limited to. Therefore, recently, when there is no door pocket space beside the opening 3 due to the structure of the building, it has been proposed to replace the hinged door with a sliding open / close type folding door that is kind to a care recipient.

  By the way, when changing to a folding door, it is a slide opening and closing type as well as a sliding door, so when it is slid and fully closed, it hits the door etc. and generates a loud collision sound, It is indispensable to install a braking device such as an air brake so as not to get injured.

  However, it is usually difficult to outset a braking device such as a relatively large air brake as it is in a narrow space between the folding door and the wall. Therefore, conventionally, when such a braking device such as a large air brake is installed on the upper wall around the folding door, it is exposed to the front and looks bad, and the appearance around the door is significantly deteriorated on the interior. There was a problem.

Accordingly, in order to solve the above-described problem, the invention described in claim 1 is configured such that, for example, as shown in the embodiment shown below, a folding door D composed of a plurality of folding door panels 14 and 15 connected to be foldable is connected to a door frame. The folding door panel 15 on the door butt side is attached to the wall W with the upper and lower hinges 16 and 18 so as to be freely slidable in the opening and closing direction so as to be slidable in the opening / closing direction. The hinge 18 is provided with an upper cam and a lower cam 26 with their inclined cam surfaces 26a facing each other. When the hinge 18 is closed, the upper cam is separated from the lower cam 26 by the dead weight of the folding door D. The self-closing structure automatically closes the folding door D by descending along the inclined cam surfaces 26a that are in contact with each other and automatically rotating the door-side folding door panel 15. It is a door system, is attached to the upper wall surface 10a of the wall W along the horizontal frame member 11 on the ceiling side of the door frame F, and is a length that matches the lateral width of the folding door D, along the length direction. When the sliding door D is slid, the guide rail 20 having the fitting groove 25 and the slide piece provided with the shaft hole 30a at one end in the length direction are slidably fitted into the fitting groove 25. The guide portion 30 of the main body for steadying, the abutment portion 31 protruding upward with respect to the guide portion 30, and the pivot shaft 35 are inserted into the shaft hole portion 30 a while being provided on the pivot shaft 35. pivotal coupling the screwing plate portion 35a, the door leading end side Orito the wall W and the opposed該戸destination side Orito panel 14 screwed on one plate surface 14a which rotatably guide rails 20 of the panel 14 A travel guide 21 having a landing portion 32 and a piston 4 Towards the tip door trailing end side, the door leading end of the front Symbol guide rails 20 mounted on said wall surface 10a of the upper portion of the guide rail, when closing the folding door D, the said running guide 21 An oil damper 22 is provided that generates a braking force by the viscous resistance of the viscous fluid filled in the cylinder 39 when the abutting portion 31 hits the tip portion and the piston 40 is pushed.

  According to the first aspect of the present invention, the guide rail is attached to the upper wall along the ceiling-side horizontal frame member of the door frame, and the front end of the piston is placed on the door end on the door end side of the guide rail. While installing the oil damper toward the side, the guide part of the traveling guide is slidably fitted in the fitting groove of the guide rail to prevent the folding door from swinging, and when the folding door is closed, the protrusion provided on the traveling guide When the abutting part hits the piston of the oil damper and pushes it, the oil damper generates a braking force and slides the folding door while decelerating, so even if it is a narrow space between the folding door and the wall, As a result, it is possible to easily install the brake mechanism with outset. As a result, when the installed folding door is closed, there is no exposure of large air brakes etc. The appearance was good, it is possible to improve the aesthetics of the interior.

  In addition, according to the first aspect of the invention, when the folding door is slid to open and close, the traveling guide having the guide portion fitted in the fitting groove of the guide rail is slid to guide the folding door. Since it is a structure, a folding door can be slid in the opening / closing direction without rattling, and as a result, a folding door can always be slid stably and opened and closed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a front view showing a folding door structure to which the replacement folding door system of the present invention is applied in a fully closed state, FIG. 2 is an exploded perspective view showing the structure of the folding door structure on the wall side, and FIG. It is a perspective view which shows a structure. The folding door structure includes an existing wall body W and door frame F, and a folding door D.

  In the folding door structure, the wall body W in the illustrated example has the upper wall 10 at least directly above the opening S, and has a structure that includes almost no wall portion corresponding to the door pocket wall directly beside the door bottom. . The door frame F is an existing door frame body of a hinged door (not shown) to be removed first, and the opening S is framed in a rectangular shape by the ceiling side horizontal frame material 11 and the pair of vertical frame materials 12 and 13. The height h of the door frame F rising from the wall surface of the wall W is approximately 9 mm in the illustrated example. On the other hand, the folding door D is configured by folding a pair of relatively long folding door panels 14 and 15 having a height of 2100 mm, for example, through the meshing of the gears of the gear hinge 16 so that the folding doors D can be used for general openings having different large and small opening areas. Connected freely. And the folding door D is piled up on the outer side of the door frame F, and it has the outset structure assembled | attached slidably right and left in a figure along the wall body W only the length of a predetermined | prescribed opening / closing stroke.

  Therefore, in the folding door system of the present invention, on the wall W side, the upper angle 17 of the upper hinge 16 that rotatably guides the door-side folding door panel 15 upward, and the door-side folding door panel 15 is rotated downward. A lower angle 19 of the lower hinge 18 that is freely supported, a guide rail 20 that guides the sliding movement of the folding door D, a travel guide 21 that prevents the folding door D from sliding during the sliding movement, and an oil damper 22 for shock-absorbing the folding door D. With. On one folding door D side, a bar handle 23 attached to one side plate surface 14a of the door-end side folding door panel 14 is provided. In the folding door D, a bearing tube portion 24a is embedded in the door bottom side of the upper end surface 15a of the door bottom side folding door panel 15, and the upper mounting plate 24 of the upper hinge 16 is fixed, and on the door bottom side of the lower end surface. The lower mounting plate 25 of the lower hinge 18 is fixed. The lower mounting plate 25 of the lower hinge 18 has a cam mounting cylinder portion 25a at the tip, and a resin-made cylindrical upper cam is housed in the cam mounting cylinder portion 25a, with the inclined cam surface of the upper cam facing downward. It is stuck.

  The upper angle 17 of the upper hinge 16 is L-shaped and has a guide cylinder shaft 27 erected on the tip piece. On the other hand, the lower angle 19 of the lower hinge 18 is L-shaped, and a pivot 28 is erected on the tip piece. A resin-made cylindrical lower cam 26 is rotatably fitted on the pivot 28 with the inclined cam surface 26a corresponding to the inclined cam surface of the upper cam facing upward.

  As shown in FIG. 2, the guide rail 20 is formed by bending a metal plate. The guide rail 20 is raised by bending both side ends 20b and 20b of the flat central plate portion 20a substantially at right angles, and the raised end piece is further moved. It is bent in an L-shaped cross-section toward the sides facing each other, and is provided with elongated protrusion engaging pieces 20c and 20c for a traveling guide, and a fitting groove 25 is formed along the length direction on the inner side. The rising heights of the side edges 20b and 20b are formed by bending the entire body thinly in accordance with the door frame height h of the door frame F. The rail length is approximately the same length as the width of the folding door D as a whole. Then, resin end blocks 29 and 29 are fitted into both ends in the length direction.

  As shown in FIGS. 2 and 4, the traveling guide 21 is made of a separate metal in the illustrated example, and includes a guide portion 30 of the main body, an abutting portion 31 protruding upward from the guide portion 30, and a door end side folding door. And a pivot part 32 for rotatably connecting the panel 14.

  The guide portion 30 is a slide piece whose outer shape is formed in a rectangular plate shape that is horizontally long in the drawing in accordance with the concave shape of the fitting groove 25 of the guide rail 20, and is an axis that penetrates in the width direction at one end in the length direction. While the hole 30a is provided, a plate-like insertion hole 30b is formed in the side edge near the other end in the width direction, and the engagement pieces 20c and 20c of the guide rail 20 are formed along the length direction on both side edges. Corresponding rail engaging grooves 30c and 30c are provided. The abutting portion 31 is bent using a T-shaped metal plate piece to form an elongated insertion plate piece 31a corresponding to the insertion hole 30b on one end side, while bending the contact piece 31b on the other end. Formed. The travel guide 21 is formed by inserting the insertion plate piece 31a into the insertion hole 30b and fixing it with the set screw 33 to the guide portion 30 of the main body with the contact piece 31b protruding. The pivot portion 32 is formed as a hinge portion by a pivot shaft 35 and a shaft hole portion 30a of the guide portion 30 through which the pivot shaft 35 is inserted. The pivot shaft 35 has a screwing plate portion 35a at its proximal end.

  As shown in FIGS. 2 and 5, the oil damper 22 includes an elongated cylindrical cylinder 39 housed in a damper mounting case 38, and a tip shaft portion 40a protruding from the cylinder 39 so as to be linearly reciprocable. And a piston 40 housed in the cylinder 39, the cylinder 39 is filled with a viscous fluid and sealed, and when the piston 40 is pushed, a braking force is generated by the viscous resistance of the viscous fluid. The damper mounting case 38 has a small rectangular tube shape whose lateral width matches the door frame height of the door frame F, has a screw hole 38a on the side surface, and is aligned with the cylinder 39 on one side end surface. A mounting hole 38b is provided. The piston 40 has a resin cap 41 attached to the protruding end of the distal end shaft portion 40a.

Therefore, in the folding door system composed of the above components, when replacing the existing hinged door with the folding door D, the folding door D is moved to the outside of the door frame F (front side in FIG. 1) after removing the hinged door from the door frame F. Overlap and hang on the wall W by a so-called outset system. At that time, as shown in FIG. 2, the guide rail 20 is first attached to the upper wall 10 along the horizontal frame material 11 of the door frame F on the wall W. The guide rail 20 faces the front surface of the upper wall surface 10a with the engaging groove 25 facing the front, and as a result, the guide rail 20 fits within the door frame height h without protruding forward from the door frame F. Assembled. An end block 29 is fitted into one end of the guide rail 20 on the door bottom side and screwed. On the other hand, the cylinder mounting hole 38b is directed to the door bottom side, the damper mounting case 38 is placed on the other end of the guide rail 20 on the door end side, and fixed to the upper wall surface 10a with the screw 42, and then the tip of the piston 40 The oil damper 22 is assembled by pressing the cylinder 39 into the damper mounting case 38 through the cylinder mounting hole 38b with the shaft portion 40a facing the door bottom.

  Next, the upper angle 17 of the upper hinge 16 is attached to the wall body W in the vertical direction on the side of the door bottom side of the guide rail 20 with the guide cylinder shaft 27 facing upward. The lower angle 19 of the lower hinge 18 is mounted on the floor surface B next to the lower end of the door bottom side vertical frame member 13 so that the inclined cam surface 26a of the lower cam 26 faces upward.

  Thereafter, the folding door D is lifted, the pivot 28 of the lower angle 19 is fitted into the upper cam of the lower mounting plate 25, and the inclined cam surfaces of the upper and lower cams are brought into contact with each other at the lower hinge 18. , The guide cylinder shaft 27 of the upper angle 17 is fitted to the bearing cylinder portion 24a of the upper mounting plate 24, the door-end side folding door panel 15 is rotatably attached by the upper and lower hinges 16 and 18, and the folding door D is attached to the wall body. Connect to W.

  On the other hand, the traveling guide 21 is slidably fitted into the guide rail 20 from the other end on the door bottom side. At that time, the traveling guide 21 makes the contact piece 31b of the abutting portion 31 face upward to oppose the piston 40 of the oil damper 22, and engages the engagement pieces 20c and 20c with the rail engagement grooves 30c and 30c. Then, the guide portion 30 is fitted into the fitting concave groove 25. Next, after the end block 29 is fitted and screwed to the other end on the door bottom side of the guide rail 20, as shown in FIG. 6, the pivot shaft 35 of the pivot portion 32 is inserted through the shaft hole 30a, The screwing plate portion 35a is screwed to the door end side edge of the one side plate surface 14a of the door end side folding door panel 14. Therefore, the folding door D is connected to the wall body W so that the door bottom side folding door panel 15 can be pivoted with the upper and lower hinges 16 and 18 as fulcrums, and the door end side folding door panel 14 is rotated with the pivoting portion 32 as a fulcrum. The guide rail 20 is movably connected to the guide rail 20, and is slidably suspended in the longitudinal direction of the guide rail 20 via the travel guide 21.

  Then, as shown in FIG. 3, the sliding door D finishes the suspension by attaching the bar handle 23 to the one side plate surface 14 a of the door end side folding door panel 14 in the vertical direction. When the door D is closed, the upper cam descends with respect to the lower cam 26 along the inclined cam surfaces that are in contact with each other due to the weight of the folding door D at the lower hinge 18 so that the door-end side folding door panel 15 is moved. It has a door self-closing structure that automatically turns and closes.

  Therefore, in the folding door structure to which the above folding door system is applied, when opening the folding door D that is now closed, the folding door panel 14 is driven by holding the bar handle 23 and pulling the door-end side folding door panel 14. At the same time, the folding door D is bent into a U-shape through the meshing of the gear of the gear hinge 16, and the door-end side folding door panel 15 together with the door-end side folding door panel 14 is also hinged up and down. While the travel guide 21 is pushed by the door-end side folding door panel 14 and slides on the guide rail 20, the folding door D is connected to the guide rail 20 through the sliding of the travel guide 22. Slide in the opening direction with guidance. Thereafter, when the folding door D is in the folded state as shown in FIG. 7, the opening S is fully opened.

  On the other hand, when closing the folding door D, holding the bar handle 23 and pulling the door-end side folding door panel 14 lightly, the self-closing structure of the lower hinge 18 works, and this time, the door-end side folding door panel 14 rotates in the opposite direction with the pivoting portion 32 of the traveling guide 21 as a fulcrum, and at the same time, the folding door D gradually unfolds from the folded state through the meshing of the gear hinge 16 together with the door-end side folding door panel 14. The door-side folding door panel 15 also rotates in the opposite direction with the upper and lower hinges 16 and 18 as fulcrums, while the traveling guide 21 is pushed by the door-end folding door panel 14 and slides on the guide rail 20. The entire folding door is slid in the closing direction by the guide rail 20 through the sliding of 21. As shown in FIG. 8, when the abutting piece 31 b of the abutting portion 31 provided in the traveling guide 21 hits the cap 41 at the piston tip of the oil damper 22, the piston 40 is pushed and the oil damper is caused by the viscous resistance of the viscous fluid. A braking force is generated at 22, and the traveling guide 21 slides under a load with a brake applied. Then, the sliding movement of the folding door D is also braked, and the folding door D closes slowly slowly while decelerating accordingly.

  In the folding door system of the present invention, when the folding door D is slid and opened and closed as described above, the traveling guide 21 that travels with the guide portion 30 fitted in the fitting groove 25 of the guide rail 20 is slid. Since the folding door D is guided along the guide rail 20, the folding door D slides in a swing-proof state in the opening / closing direction without rattling. Therefore, the folding door D can always slide stably and open and close the opening S. On the other hand, when the opening S is closed by the folding door D, the guide rail 20, the traveling guide 21, and the oil damper 22 are not exposed to the front side from the folding door D, and the appearance around the folding door is increased accordingly. I'm doing better.

It is a front view which shows the folding door structure to which the folding door system of this invention is applied in a folding door fully closed state. It is a disassembled perspective view which shows the structure by the side of the wall of a folding door structure. It is a disassembled perspective view which shows the structure by the side of the folding door of a folding door structure. It is a perspective view which shows a driving | running | working guide. It is a perspective view which shows an oil damper. It is the side view which looked at the folding door structure from the door-end side. It is a top view which shows a folding door structure in a folding door fully open state. It is a top view which shows a folding door structure in a folding door fully closed state. It is a front view which shows the sliding door structure to which the conventional sliding door system is applied in a fully closed state.

Explanation of symbols

D Folding door F Door frame S Opening W Wall 10a Upper wall surface 11 Ceiling side frame member 12/13 Vertical frame member 14 Door end side folding door panel 15 Door bottom side folding door panel 20 Guide rail 21 Travel guide 22 Oil damper 25 Fitting Groove 30 Guide portion 31 Abutting portion 32 Pivoting portion 39 Cylinder 40 Piston

Claims (1)

A folding door composed of a plurality of folding door panels connected to each other in a foldable manner is stacked on the outside of the door frame and attached slidably in the opening and closing direction, while the folding door panel on the door bottom side is attached to the wall body by hinges at the top and bottom. The lower hinge is provided with an upper cam and a lower cam with their inclined cam surfaces facing each other. When closed, the upper cam is moved by the dead weight of the folding door when the hinge is closed. A folding door that has a self-closing structure that automatically closes the folding door by descending along the inclined cam surfaces that are in contact with each other with respect to the lower cam and automatically turning the door-end side folding door panel A system,
A guide rail that is attached to the upper wall surface of the wall body along the horizontal frame member on the ceiling side of the door frame, has a fitting groove along the length direction, and a length that matches the lateral width of the folding door;
A slide piece provided with a shaft hole at one end in the length direction. The guide part of the main body that slidably fits in the fitting groove and prevents the folding door from swinging when sliding, and upward with respect to the guide part. and abutting portions projecting from the while inserting the pivot shaft into the shaft hole, the screwing plate portion provided on該枢wear axis, on one plate surface of the wall facing the door tip side Orito panel A travel guide provided with a pivoting portion that is screwed and pivotally connects the door-end side folding door panel to the guide rail;
The distal end of the piston toward the door trailing end side, mounted on said wall surface of an upper portion of the guide rail in the door leading end of the front Symbol guide rails, when closing the folding door, the abutting portion of the travel guide An oil damper that generates a braking force by the viscous resistance of the viscous fluid filled in the cylinder when the piston hits the tip and is pushed,
A folding door system.