JP2011231513A - Handrail for sliding door, sliding door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail for a sliding door which does not cause fall of the sliding door itself or dropout of the handrail itself even in a case the sliding door drops out from an irregularity of a door sill, while a user can hold the handrail to move safely and the handrail bar does not comprise an obstacle to in-and-out of people and goods through an opening when the sliding door is open.SOLUTION: The device comprises a sliding door 1, a hinge mechanism 5, a handrail bar 4, a guide rail 8, and a rotary roller 7. When the sliding door 1 is closed, the handrail bar 4 is supported by the sliding door 1 and the guide rail 8 via the hinge mechanism 5 and the rotary roller 7 facing the front of the sliding door 1 in an appropriately horizontal state. When force in a direction of opening acts on the sliding door 1, the rotary roller 7 rotationally moves along the guide rail 7 to rotate the handrail bar 4 around the hinge mechanism 5 and push up the other end, and when the sliding door is in a fully-opened state, the handrail bar 4 is supported by the sliding door 1 and the guide rail 7 via the hinge mechanism 5 and the rotary roller 7 in a state tilting at a prescribed angle or in a vertical state.

Description

  The present invention is mounted facing the front of the sliding door, and maintains a substantially horizontal state in the closed state in conjunction with the opening and closing of the sliding door, and rotates in conjunction with the opening operation of the sliding door, and is inclined or vertically at a predetermined angle in the fully opened state. The present invention relates to a sliding door handrail and a sliding door device to which the sliding door handrail is attached.

  Handrails that can be easily grasped are necessary for the elderly and physically handicapped to move safely. Therefore, handrails are provided on indoor and outdoor stairs, and handrails are also provided on indoor corridors and indoor walls. For example, handrails are often not provided at the entrance of a room facing a corridor because it interferes with the entry and exit of people. For the elderly and the physically handicapped, when moving across the entrance of a room, it cannot be easily moved without a handrail. Therefore, it is necessary to provide a handrail on the front of the sliding door provided at the entrance of the room so that an elderly person or a disabled person can easily grasp it. Conventionally, there are those disclosed in Patent Documents 1 and 2 as handrails attached to the front surface of this type of sliding door.

JP-A-10-96375 JP 11-350694 A

  The door with a handrail disclosed in Patent Document 1 is configured such that the axis of the handrail of the sliding door located near the wall surface and the axis of the handrail of the sliding door located at the back are on the same line, and the end of the handrail of the sliding door located at the back Is inserted into the handrail of the sliding door near the wall surface. Further, the handrail device disclosed in Patent Document 2 is provided with a movable handrail bar in a sliding door provided in a wall opening, and a movable handrail bar and a fixed handrail provided in a wall adjacent to the opening in a closed state of the sliding door. It arranges so that it may be connected approximately.

  However, since what is disclosed in the cited references 1 and 2 is a structure in which a handrail or a movable handrail bar is attached to the front of the sliding door, the sliding door falls off the unevenness of the sill, and if the user falls down, the user falls together. There is a problem above.

  The present invention has been made in view of the above points, and even if the sliding door falls off from the unevenness of the sill, the sliding door itself does not fall down and the handrail itself does not fall off, so that the user can safely hold the handrail. It is an object of the present invention to provide a sliding door handrail that can move and that does not interfere with the entry and exit of the opening to which the sliding door is attached when the sliding door is open, and a sliding door device to which the sliding door handrail is attached.

  In order to solve the above-mentioned problem, a handrail bar whose one end or the vicinity of the one end is rotatably supported by a hinge mechanism, a guide rail attached to a fixed body separate from the sliding door, and a handrail bar And a rotating roller that is rotatably mounted with a predetermined interval from the hinge mechanism to the other end side, and moves along the guide rail. When the sliding door is closed, the handrail rod is substantially at a position facing the front of the sliding door. It is supported by the sliding door and the guide rail via the hinge mechanism and the rotating roller in the horizontal state, and when the force in the opening direction is applied to the sliding door, the rotating roller rotates along the guide rail and pushes the other end of the handrail bar upward. When the sliding door is fully opened, the handrail bar is supported by the sliding door and the guide rail via the hinge mechanism and the rotating roller in a state inclined at a predetermined angle or in a vertical state.

  Further, according to the present invention, in the sliding door handrail, the guide rail has a rolling surface on which a rotating roller that rotates from a horizontal state to a vertical state with a predetermined curvature or rises linearly at a predetermined angle is rotated. It is characterized by being.

  In the sliding door handrail, the present invention is characterized in that the guide rail is attached to a support separate from the sliding door.

  Further, the present invention provides the above-mentioned sliding door handrail, wherein one end of a rope is attached to the other end of the handrail bar or in the vicinity thereof, and the other end of the rope reduces the lifting load at the other end of the handrail bar. It is attached to.

  Moreover, this invention is the sliding door apparatus provided with the 1 or several sliding door apparatus, Comprising: The handrail for sliding doors was attached to each sliding door, It is characterized by the above-mentioned.

  Further, the present invention is characterized in that the sliding door device includes a falling prevention mechanism with a backlash that prevents the sliding door from rattling or falling out of the recessed groove of the sill in the fully closed position. And

  According to the present invention, when the sliding door is closed, the handrail bar is supported by the sliding door and the guide rail via the hinge mechanism and the rotating roller in a substantially horizontal state at a position facing the front of the sliding door, and the force in the direction to open the sliding door is When acted, the rotating roller rotates and moves along the guide rail, pushes the other end of the handrail bar upward, and when the sliding door is fully open, the handrail bar tilts upward or at a predetermined angle via the hinge mechanism and the rotating roller. Since it is supported by the sliding door and the guide rail, the handrail bar can be used as a normal stable handrail when the sliding door is in the fully closed state, and the handrail bar is inclined upward or vertically at a predetermined angle in the fully opened state of the sliding door It does not hinder the entrance and exit of people and objects to the opening formed by opening the sliding door.

  In addition, since the sliding door of the sliding door device to which the handrail for the sliding door is attached is provided with a sag-preventing falling-off prevention mechanism that prevents the sliding door from rattling or falling out of the concave groove of the sill at the fully closed position. However, even if the handrail bar is gripped and pulled, the sliding door does not fall out of the uneven part of the Kamoi and falls down, so that the handrail bar can sufficiently function as a normal stable handrail.

It is a figure which shows the structure of the sliding door apparatus using the handrail for sliding doors which concerns on this invention. It is a figure which shows schematic structure of the guide rail of the handrail for sliding doors concerning this invention. It is a figure which shows the state which the sliding door of the sliding door apparatus which concerns on this invention fully closed. It is a figure which shows the state which the sliding door of the sliding door apparatus which concerns on this invention opened fully. It is a figure for demonstrating operation | movement of the handrail for sliding doors concerning this invention. It is a figure which shows schematic structure of the sliding door anti-falling prevention mechanism of the sliding door of the sliding door apparatus which concerns on this invention. It is a figure which shows the structure of the other sliding door apparatus using the handrail for sliding doors which concerns on this invention. It is a figure which shows the structural example of a rotating roller.

  Hereinafter, embodiments of the present invention will be described in detail. FIG. 1 is a diagram showing the configuration of a sliding door device using a sliding door handrail according to the present invention, FIG. 1 (a) is a front view, and FIG. 1 (b) is a longitudinal sectional view. In the figure, reference numeral 1 denotes a sliding door, the upper end of the sliding door 1 is suspended from a duck 11 via a hanger rail 13, and the lower end is a concave groove formed in the sill 12 via an anti-blur member 15. 14 is engaged. In addition, although illustration is abbreviate | omitted, a concave groove may be provided in the lower end surface of the sliding door 1, and the anti-blur member which engages with this concave groove may be provided in the upper surface of the sill 12. A solid line in FIG. 1A shows a state in which one side 1b of the sliding door 1 is in contact with the side 2a of the column 2, that is, a state in which the sliding door 1 is fully closed. 3 is a pull handle attached to the front of the sliding door 1 in the vicinity of one side. When the pulling handle 3 is gripped and the sliding door 1 is moved in the direction of the arrow A and fully opened, the position indicated by the two-dot chain line (the right side of the figure) Position). A portion of the sliding door 1 that is not indicated by a two-dot chain line is housed in a door pocket located on the right side of the drawing although illustration is omitted.

  Reference numeral 4 denotes a handrail bar for a sliding door handrail, and one end portion of the handrail bar 4 is rotatably attached to a side surface of the sliding door 1 via a hinge mechanism (with a ball bearing) 5. A rotating roller 7 is rotatably attached to the other end of the handrail bar 4 via a bracket 6. Reference numeral 8 denotes a guide rail on which the rotating roller 7 rotates and the guide rail 8 has a guide groove having a rolling surface on which the rotating roller, which will be described in detail later, rolls. The guide rail 8 is attached to a column 9 fixed to the duck 11 and the sill 12. In addition, the part which attaches the guide rail 8 is not limited to a support | pillar, For example, you may fix to fixed bodies, such as a separate wall from the sliding door 1, via a predetermined member.

  FIG. 2 is a view showing the configuration of the other end portion of the sliding door handrail according to the present invention and one end portion of the guide rail 8 engaged therewith (the guide rail 8 shows a cross section). When the sliding door 1 is in the fully closed state indicated by the solid line in FIG. 1, the handrail bar 4 is in a substantially horizontal state on the front surface of the sliding door 1 at a position separated from the front surface by a predetermined distance G via the hinge mechanism 5 and the rotating roller 7. And supported by the guide rail 8. From this fully closed state, when the pulling handle 3 is gripped and the sliding door is moved in the direction of arrow A, a force in the direction of arrow A acts on the handrail bar 4. When the force in the direction of arrow A is applied, the rotating roller 7 rotates in the direction of arrow B, and ascends (pushes up) as indicated by the two-dot chain line while rolling on the rolling surface 8a of the guide rail 8, and the sliding door 1 is moved. In the fully opened state, the handrail bar 4 is in a position indicated by a two-dot chain line in FIG. 1, that is, the handrail bar 4 is in a substantially vertical state.

  In addition, although illustration is abbreviate | omitted, the concave rotation roller rolling groove for rotating stably without the rotating roller 7 dropping out is formed in the guide rail 8, The bottom face of this rotating roller rolling groove Is the rolling surface 8a. Further, an end cap 8 b serving as a stopper for preventing the rotating roller 7 attached to the tip of the handrail bar 4 via the bracket 6 from dropping is attached to the lower end portion of the guide rail 8.

  FIG. 3 shows the fully closed state of the sliding door 1, and FIG. 4 shows the fully opened state of the sliding door 1. As shown in FIG. 3, the handrail bar 4 is maintained in a substantially horizontal state facing the front surface of the sliding door 1 in the fully closed state. In this state, when a force in the opening direction (arrow A direction) is applied to the sliding door 1, the rotating roller 7 attached to the other end of the handrail bar 4 via the bracket 6 receives this force and rotates the rotating roller of the guide rail 8. Ascending (pushing up) while rotating the rolling surface 8a on the bottom surface of the running groove. Along with this, the handrail bar 4 rotates counterclockwise around the hinge mechanism 5 and is substantially perpendicular to one side of the sliding door 1 as shown in FIG. Even in this state, the handrail bar 4 is supported by the sliding door 1 and the guide rail 8 via the hinge mechanism 5 and the rotating roller 7. And in the fully open state of the sliding door 1, since the handrail rod 4 is not located in the opening part 10 formed when the sliding door 1 moved, it does not become a hindrance for a person and an object to go in and out of the opening part 10. FIG.

  FIG. 5 is a conceptual diagram for explaining a state in which the handrail bar 4 is displaced from the horizontal position to the vertical position as the sliding door 1 moves in the opening direction. As shown in the figure, when a force in the opening direction (arrow A direction) of the sliding door 1 acts on the handrail bar 4, the handrail bar 4 gradually rotates from the horizontal position around the hinge mechanism 5 (in the figure, it rotates counterclockwise). ) And the other end portion is raised, and the sliding door 1 is in a substantially vertical state in a fully opened state. At this time, in order for the other end portion of the handrail bar 4 to rise smoothly from the start of opening of the sliding door 1, the rotating roller 7 needs to smoothly rotate and roll on the rolling surface 8 a of the guide rail 8. Therefore, it is necessary to set the rolling surface 8a of the rotating roller 7 of the guide rail 8 to a predetermined curvature until it changes from a horizontal state to a vertical state as shown in FIG.

  Further, in order to help the handrail bar 4 to smoothly rotate counterclockwise around the hinge mechanism 5 from the start of opening of the sliding door 1, one end of the rope 16 is attached to the bracket 6 attached to the other end of the handrail bar 4. By engaging and attaching the other end of the rope 16 to a balance winding up / down mechanism 17 composed of, for example, a spring-driven winding up / down roller, it is possible to reduce the pushing load at the other end of the handrail bar 4. Become. In addition, as the winding hoisting mechanism 17 for balancing, the rope 16 is lowered via a pulley, and a weight that balances the weight of the handrail bar 4 is suspended at the lower end thereof, so that the lifting load at the other end of the handrail bar 4 is reduced. It is possible to adopt a configuration for reducing the weight.

  In the sliding door device to which the sliding door handrail having the above configuration is attached, the sliding door 1 needs to be stable in a fully closed state. When the sliding door 1 rattles between the sliding doors, the handrail bar 4 rattles together with the sliding door 1, which gives anxiety to those who use the handrail bar 4. For example, if there is a large gap due to wear or the like between the lower end of the sliding door and the concave groove of the sill, the sliding door often becomes rattled. In such a case, it is advisable to provide a sliding back-off prevention mechanism with a backlash that prevents the sliding door from rattling or falling off.

FIG. 6 is a view showing an example of a schematic configuration of a sliding back and dropout prevention mechanism for preventing the sliding door 1 from rattling or dropping out. As shown in the figure, the protrusion 20 is provided on the side surface of the column 2 with which the side end face 1b of the sliding door 1 is in contact with the fully closed door 1 and the hole 21 into which the protrusion is inserted is provided on the side end face of the sliding door 1, If the projection 20 of the pillar 2 is inserted into the hole 21 of the sliding door 1 without rattling when the sliding door 1 is fully closed, it is possible to prevent the sliding door 1 from rattling or falling off the sill or duck when fully sliding. In addition, you may comprise the falling prevention mechanism with a backlash by providing the projection part 20 in the sliding door 1 side, and the hole 21 in the pillar 2 side. Further, the number of the backlash prevention mechanisms with the backlash is not one, and for example, it may be provided at two or more places above and below the portion where the pillar 2 and the sliding door 1 abut.

  In the above embodiment, the sliding door device including one sliding door 1 is shown. However, the sliding door 1 is not limited to one. For example, as shown in FIG. 7, two sliding doors 1 and 1 are provided on the left and right. At the same time, two columns 9, 9 are provided at the center, guide rails 8, 8 are provided on each column 2, 2, and each sliding door 1 is moved toward the center as indicated by arrows A, A. It is good also as a structure opened by. In addition, although illustration is abbreviate | omitted, by providing the support | pillars 9 and 9 and the guide rails 8 and 8 on the opposite side to FIG. 7, respectively, and moving a left and right sliding door to the anti-center side (direction opposite to arrow A and A). Each sliding door may be configured to open. Further, the number of sliding doors 1 may be three or more.

  Further, in the sliding door device, as shown in FIG. 4, the guide rail 8 is arranged so that the handrail bar 4 is placed in the side portion of the opening 10 when the sliding door 1 is fully opened. May be provided with a handrail bar storage portion for storing the handrail bar 4 when fully open. When the sliding door 1 is provided in this way, the handrail bar 4 does not necessarily have to be in a vertical state in the fully opened state, and may be inclined upward at a predetermined angle within a range stored in the handrail bar storage portion. In this case, the curvature of the rolling surface 8a of the guide rail 8 can be set more easily than the case where the handrail bar 4 is in the vertical state in the fully opened state. In this case, the rolling surface 8a of the guide rail 8 may be a rolling surface that is inclined at a predetermined angle and rises linearly.

  In the sliding door device configured as described above, when a handrail is used or when there is a person in the vicinity, it is dangerous if a person behind the sliding door 1 opens the sliding door 1 without knowing it. In order to prevent this, a sensor for detecting a person using a handrail or a person in the vicinity of the handrail on the front side of the sliding door 1 is provided. When the sensor detects a person, it is dangerous if the sliding door 1 opens and closes. A message that prompts you that it is dangerous to open or close the current sliding door, such as a lamp or other display means to indicate that it is present, or a voice such as "There is a person in front of the sliding door, please do not open or close the sliding door" Any one or two or more of means or means for forcibly preventing the opening and closing by locking the sliding door may be provided. Moreover, you may provide the window which comprises the hole which can confirm whether a person exists in the front side of the sliding door 1, or a transparent glass plate or a plastic plate.

  FIG. 8 is a diagram showing a configuration example of the rotating roller 7, FIG. 8 (a) is a front sectional view, and FIG. 8 (b) is a side view. As shown in the figure, the rotating roller 7 has an annular bearing 7a, and a resin or rubber layer 7b is provided on the outer ring of the bearing 7a. A shaft (not shown) is inserted into a hole 7c provided in the center of the bearing 7a, and both ends of the shaft are fixed to the bracket 6 (when two brackets 6 are provided at a predetermined interval), or one end of the shaft is a bracket. 6 (when one bracket 6 is provided). By configuring the rotating roller 7 as described above, the resin or rubber layer 7b rolls on the rolling surface 8a of the guide rail 8, and noise during rolling can be avoided. Further, the roller 7 is not limited to the above-described configuration. For example, the roller 7 may be entirely configured by a cylindrical resin material, and the resin material may be configured to rotate around an axis fixed to the bracket 6. . In short, any configuration may be used as long as it can rotate around an axis fixed to the bracket 6.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Deformation is possible. Note that any shape or structure not directly described in the specification and drawings is within the technical scope of the present invention as long as the effects of the present invention are achieved. For example, in the above embodiment, the suspension type sliding door has been described as an example. Also, the sliding door handrail according to the present invention can be used.

  In the present invention, when the sliding door is closed, the handrail bar is supported by the sliding door and the guide rail through the hinge mechanism and the rotating roller in a substantially horizontal state at a position facing the front of the sliding door, and a force in the opening direction acts on the sliding door. The rotating roller rotates along the guide rail and pushes the other end of the handrail bar upward. When the sliding door is fully open, the handrail bar is tilted upward at a predetermined angle or vertically through the hinge mechanism and the rotating roller. Since it is supported by the sliding door and the guide rail, the handrail bar can be used as a normal stable handrail when the sliding door is in the fully closed state, and when the sliding door is in the fully open state, the handrail bar is inclined upward at a predetermined angle or in a vertical state Therefore, it can be used as a sliding door handrail that does not hinder the entry and exit of people and objects into the opening formed by opening the sliding door, and a sliding door device equipped with the sliding door handrail. .

DESCRIPTION OF SYMBOLS 1 Sliding door 2 Pillar 3 Pulling hand 4 Handrail stick 5 Hinge mechanism 6 Bracket 7 Rotating roller 8 Guide rail 9 Post 10 Opening part 11 Kamoi 12 Sill 13 Hanger rail 14 Concave groove 15 Anti-blur member 16 Rope 17 Balance winding up-and-down mechanism 20 Protrusion Part 21 hole

Claims (6)

A handrail rod whose one end or the vicinity of the one end is rotatably supported by a hinge mechanism on the sliding door, a guide rail attached to a fixed body separate from the sliding door, and the other end from the hinge mechanism to the handrail rod A rotating roller that is rotatably mounted with a predetermined interval on the side and moves along the guide rail;
In the state where the sliding door is closed, the handrail bar is supported by the sliding door and the guide rail via the hinge mechanism and the rotating roller in a substantially horizontal state at a position facing the front surface of the sliding door,
When a force in the opening direction is applied to the sliding door, the rotating roller rotates and moves along the guide rail to push up the other end of the handrail bar. When the sliding door is fully opened, the handrail bar is inclined at a predetermined angle. Alternatively, the sliding door handrail is supported by the sliding door and the guide rail through the hinge mechanism and the rotating roller in a vertical state. The sliding door handrail according to claim 1,
The sliding rail for the sliding door, wherein the guide rail has a rolling surface on which the rotating roller rotates from a horizontal state to a vertical state with a predetermined curvature or rises linearly at a predetermined angle. The sliding door handrail according to claim 1 or 2,
The guide rail is attached to a column separate from the sliding door. In the sliding door handrail according to claim 1, 2 or 3,
One end of a rope is attached to the other end of the handrail bar or in the vicinity thereof, and the other end of the rope is attached to a balance hoisting / lowering mechanism that reduces a pushing load at the other end of the handrail bar. Handrail for sliding doors. A sliding door device comprising one or more sliding doors,
A sliding door device in which the sliding door handrail is attached to each sliding door. In the sliding door apparatus of Claim 5,
A sliding door device comprising a sliding back-off preventing mechanism with a backlash that prevents the sliding door from rattling in the recessed groove of the sill at the fully closed position or falling off from the recessed groove.

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