JP2005256286A - Overhead door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively utilize an indoor space by providing an overhead door in a building using the overhead door. <P>SOLUTION: This overhead door is constituted in such a way that a plurality of panels 9 are connected so as to bend freely to constitute a shutter curtain 8 and the shutter curtain is elevated and lowered along a guide rail to open and close an opening part 1. The guide rail has at least a vertical part 3 and a horizontal part 4, which is extended in the horizontal direction on an outdoor side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an overhead door that opens and closes an opening, such as a doorway of a building structure such as a building, by raising and lowering a shutter curtain configured by connecting a required number of panels flexibly.

  There is an overhead door as one of shutter devices that open and close an opening such as an entrance, and the overhead door includes a shutter curtain in which a plurality of panels are bendably connected, and the shutter curtain is moved up and down along a guide rail. It has become.

  As an overhead door, there exists a thing shown by patent document 1, for example. The outline of the overhead door will be described with reference to FIG.

  A vertical guide rail 3 is provided on the indoor side of both side pillars 2 of the opening 1 such as a building, and a horizontal guide rail 4 is provided along the ceiling. The vertical guide rail 3 and the horizontal guide rail 4 are curved rails. 5 are connected. An opening / closing device 7 having a horizontal take-up shaft 6 is provided above the vertical guide rail 3.

  A shutter curtain 8 is slidable along the vertical guide rail 3, the curved rail 5, and the horizontal guide rail 4, and the shutter curtain 8 is configured by a required number of panels 9 being flexibly connected. Yes.

  The winding shaft 6 is rotatably supported by a bracket 14 and is rotated by a driving device such as an opening / closing motor (not shown). Drums 11 are provided at both ends of the winding shaft 6, and a wire 12 wound around the drum 11 is engaged with the lower end of the shutter curtain 8. The take-up shaft 6 is provided with a balance spring 13, which urges the shutter curtain 8 in the upward direction via the wire 12.

  When the opening 1 is opened, by pulling up the shutter curtain 8, the drum 11 is rotated by the balance spring 13 through the winding shaft 6, whereby the wire 12 is wound, and the shutter The curtain 8 is pulled up along the vertical guide rail 3 and further stored in the horizontal guide rail 4.

  When the opening 1 is closed, the shutter curtain 8 is lowered by pulling down the shutter curtain 8, and the opening is closed. The drum 11 is rotated in the reverse direction, and the wire 12 is fed out. The weight of the shutter curtain 8 is balanced by the balance spring 13.

  As described above, the conventional overhead door has a structure in which the shutter curtain 8 is stored indoors through the horizontal guide rail 4, and the space near the ceiling of the building is used to store the shutter curtain 8. .

  However, when a building is used as a warehouse or a storage area, there is a demand for loading up to the ceiling and storing more loads, and the conventional overhead doors limit the storage of loads.

Japanese Utility Model Publication No. 7-26587

  In view of such circumstances, the present invention provides a more efficient use of indoor space by providing an overhead door in a building or the like in which an overhead door is used.

  According to the present invention, a shutter curtain is configured by flexibly connecting a plurality of panels, and the shutter rail is lifted and lowered along the guide rail, and the guide rail is at least vertical. And a horizontal portion, the horizontal portion being related to an overhead door extending in the horizontal direction to the outdoor side, and an overhead door provided with a panel reinforcing member on the indoor side of the panel at a required position of the shutter curtain In addition, a locking device is provided on the indoor side of the shutter curtain, the locking device has a lock fitting receiver provided on the guide rail side, and the panel reinforcing member does not interfere with the lock fitting receiver. The connecting means for connecting the panel to the overhead door is offset to the outdoor side of the shutter curtain. It relates to Heddodoa, but according to yet also the guide overhead door space which enables passage is formed a locking device on the horizontal portion above the rail.

  According to the present invention, a shutter curtain is configured by flexibly connecting a plurality of panels, and the guide rail includes at least the guide rail in an overhead door that opens and closes the opening and lowering the shutter curtain along the guide rail. The guide rail is provided on the outdoor side, and the shutter curtain is stored outdoors when the opening is opened. Therefore, an excellent effect that the indoor space can be effectively used without waste is exhibited.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  1 to 7 show an overhead door according to the present invention. In FIGS. 1 to 7, the same components as those shown in FIG. 8 are denoted by the same reference numerals.

  An opening 1 is provided in a front wall 17 of a housing such as a building 16, and a part of the building, for example, a rod 18 extends horizontally above the opening 1, and a lower surface of the rod 18 is made of H steel or the like. Two horizontal beams 19, which are structural members, are provided so as to protrude in the horizontal direction at intervals equivalent to the opening width of the opening 1.

  In the following description, the indoor side is the side where the locking device 26 (described later) is provided with the shutter curtain as a boundary, the outdoor side is the side where the locking device is not provided, and the locking device is the shutter curtain. In the case of existing over both sides, the side having few constituent members and exposed parts is shown.

  Two side pillars 2 are provided on both sides of the opening 1 and on the outdoor side of the front wall 17, vertical guide rails 3 are attached to the respective side pillars 2, and horizontal guide rails 4 are respectively attached to the horizontal beams 19. The horizontal guide rail 4 and the vertical guide rail 3 are smoothly connected by a curved rail 5 and are attached via a support member 21.

  A required number of panels 9 are connected by hinges 22 attached to the outdoor side to form a shutter curtain 8, and guide rollers 23 are rotatably provided at both ends of each panel 9. The rail 3, the curved rail 5, and the horizontal guide rail 4 are rotatably fitted. Thus, the shutter curtain 8 can be moved up and down along the vertical guide rail 3, the curved rail 5, and the horizontal guide rail 4 via the guide roller 23 and stored in the horizontal guide rail 4. It has become. The panels 9 are not limited to the hinge 22 and may be directly connected by a connecting means such as a pin. Further, in the case of rotating by engaging (or fitting) with a curled portion or the like, the connecting means may be biased toward the outdoor side.

  An opening / closing device 7 is provided at the corner formed by the front wall 17 and the flange 18, and a rope (not shown) fed from the drum 11 of the opening / closing device 7 is engaged with the lower end of the shutter curtain 8. The shutter curtain 8 is urged upward by a balance spring (not shown) through the rope. Since the weight of the shutter curtain 8 is balanced by the balance spring, the shutter curtain 8 is opened and closed with a slight force.

  A panel reinforcing member 24 is arranged in the width direction so that the shutter curtain 8 is not bent by an external force such as wind pressure on the lowermost panel 9 of the shutter curtain 8 or the indoor surface of the uppermost panel 9 or the panel 9 at a required position. Mounted on. In FIG. 3, the side column 2 is provided with a sealing material 20, which is in sliding contact with the end portion of the shutter curtain 8 and seals both end portions of the shutter curtain 8 in a closed state. In addition, a draining seal member 25 is provided at the lower end of the lowermost panel 9 in FIG.

  The panel reinforcing member 24 has a length that does not interfere with the sealing material 20, and the panel reinforcing member 24 provided at a position below a lock fitting receiver 35 (described later) when the shutter curtain 8 is closed. The end portion is shortened or appropriately cut out so as not to interfere with the lock fitting receiver 35.

  The side column 2 forms a space between the shutter curtain 8 and the outdoor surface of the front wall 17 so that the panel reinforcing member 24 does not interfere with the front wall 17 when the shutter curtain 8 moves up and down. ing. The support member 21 forms a space between the horizontal guide rail 4 and the lower surface of the flange 18 so that the panel reinforcing member 24 does not interfere with the flange 18. In FIG. 1, a two-point difference line indicates a trajectory along which the panel reinforcing member 24 moves.

  A locking device 26 is provided at an appropriate position on the indoor surface of the shutter curtain 8, for example, the panel 9 at the second level from the bottom.

  The locking device 26 includes an unlocking handle 27 provided at the center of the panel 9 and lock portions 28 provided at both ends of the panel 9, and the unlocking handle 27 and the lock portion 28 are wired. 29, and the unlocking handle 27 can be unlocked by rotating the unlocking handle 27 by a required angle.

  Hereinafter, the lock unit 28 will be described.

  A lock fitting 33 is rotatably provided on a bracket 31 fixed to the width end portion of the panel 9 via a vertical shaft 32. The lock fitting 33 has an engaging tongue 34 extending parallel to the panel 9, and the engagement tongue 34 can be engaged with a lock fitting receiver 35 (described later) fixed to the side column 2. is there. A spring 36 is fitted on the vertical shaft 32, and the spring 36 urges the lock fitting 33 in a direction to engage the lock fitting receiver 35.

  The lock fitting receiver 35 is formed with a concave portion 37 with which the engaging tongue piece 34 is engaged, and the engagement tongue piece 34 can be fitted in and removed from the concave portion 37. The position faces the bracket 31 with the shutter curtain 8 closed.

  One end of the wire 29 is engaged with the lock fitting 33 via a hook 38. The unlocking handle 27 is rotatably attached to the panel 9, a link plate 39 is fixed to the unlocking handle 27, and the other end of the wire 29 is engaged with the link plate 39.

  In the closed state of the shutter curtain 8, the engaging tongue piece 34 is engaged with the recess 37, and the shutter curtain 8 is locked.

  When opening the shutter curtain 8, the unlocking handle 27 is rotated from the indoor side to be unlocked. By the rotation of the unlocking handle 27, the wire 29 is pulled toward the center of the shutter curtain 8 through the link plate 39, and the lock fitting 33 rotates counterclockwise in FIG. 34 is detached from the lock fitting receiver 35, and the shutter curtain 8 can be raised.

  By pulling the shutter curtain 8 upward, the shutter curtain 8 rises along the vertical guide rail 3, the curved rail 5 and the horizontal guide rail 4, and the shutter curtain 8 is stored in the horizontal guide rail 4. In this state, the opening 1 is completely opened. As the shutter curtain 8 moves upward, the panel reinforcing member 24, the unlocking handle 27, the lock portion 28, and the wire 29 are also lifted together, but the shutter curtain 8, the front wall 17, and the flange 18 are also raised. A space is formed on the outdoor surface side of the front wall 17 and the upper side of the horizontal guide rail 4 by the side pillar 2 and the support member 21, and the panel reinforcing member 24, the unlocking handle 27, and the lock portion 28 are formed. The wire 29 does not interfere with the front wall 17 and the flange 18.

  Since the shutter curtain 8 is housed on the lower surface of the outdoor fence 18 and the space inside the building 16 is not used for storing the shutter curtain 8, the space inside the building 16 can be used without waste. Further, in the retracted state of the shutter curtain 8, the outdoor surface of the shutter curtain 8 is exposed downward, so that the beauty from the lower side of the rod 18 is improved.

  When the opening 1 is closed by the shutter curtain 8, the shutter curtain 8 is lowered along the horizontal guide rail 4, the curved rail 5, and the vertical guide rail 3 by lowering the shutter curtain 8. Then, the opening 1 is closed.

  When the shutter curtain 8 is closed, when the shutter curtain 8 is lowered, the engaging tongue piece 34 rides on the lock fitting receiver 35 and is restored by the restoring force of the spring 36 when the shutter curtain 8 is closed. The shutter curtain 8 is locked by engaging with the recess 37.

  In addition, a cylinder lock or the like may be provided on the outdoor side of the shutter curtain 8 corresponding to the unlocking handle 27 so that the lock portion 28 can be unlocked from the outdoor side.

  In the above-described embodiment, the eaves 18 and the horizontal beam 19 are used as the building-side support portion for supporting the horizontal guide rail 4. However, if the horizontal beam 19 has sufficient strength, the horizontal beam 19 alone is used. The horizontal beam 19 may be omitted and the horizontal guide rail 4 may be directly supported by the rod 18. Further, when the horizontal guide rail has sufficient strength, the support of the horizontal guide rail may be omitted.

  Although the shutter curtain 8 is manually opened and closed, the shutter curtain 8 may be opened and closed automatically by rotating the winding shaft 6 with a motor.

  Further, in the present invention, the vertical guide rail 3 can be provided in the building, and the horizontal guide rail 4 can be provided so that a part of the horizontal guide rail 4 is exposed outside the building.

It is a side view which shows embodiment of this invention. It is a top view which shows embodiment of this invention. It is sectional drawing of the guide rail part of this embodiment. It is a fragmentary figure of the shutter curtain lower end part of this embodiment. It is a fragmentary perspective view by the side of the indoor of the shutter curtain of this embodiment. It is a front view of the locking device of this embodiment. It is a top view of the locking device of this embodiment. It is a perspective view of a prior art example.

Explanation of symbols

2 Side pillar 3 Vertical guide rail 4 Horizontal guide rail 5 Curved rail 6 Winding shaft 7 Opening and closing device 17 Front wall 18 １９ 19 Horizontal beam 21 Support member 26 Locking device

Claims (5)

  A plurality of panels bendably connected to form a shutter curtain, and the guide rail includes at least a vertical part and a horizontal part in an overhead door that opens and closes the opening by opening and closing the shutter curtain along the guide rail. An overhead door characterized in that the horizontal portion extends horizontally in the outdoor direction.   The overhead door according to claim 1, wherein a panel reinforcing member is provided on the indoor side of the panel at a required position of the shutter curtain.   A locking device is provided on the indoor side of the shutter curtain, the locking device has a lock fitting receiver provided on the guide rail side, and the panel reinforcing member does not interfere with the lock fitting receiver. Item 2 overhead door.   The overhead door according to claim 1, wherein the connecting means for connecting the panels is provided offset to the outdoor side of the shutter curtain.   The overhead door according to claim 1, wherein a space through which the locking device can pass is formed above the horizontal portion of the guide rail.

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