JP2009062790A - Top-railed sliding door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a top-railed sliding door device which is highly rigid and capable of stably stopping swing of a sliding door by using a swing stopper using prevailing lower rollers even when the top-railed sliding door device is used for a partition part of a wide opening. <P>SOLUTION: In the top-railed sliding door device 1, the sliding door 4 having sash rollers 5 arranged on the upper part is fitted to a top hanging rail 3 fitted to an upper frame 2a, and the lower rollers 6 are arranged on a lower part of the sliding door 4 so that they may travel on a guide rail 9 laid on a floor surface F by which the sliding door 4 is prevented from swinging. A frame 8 having the length substantially same as the length L2 of a lower frame 4a is arranged inside the lower frame 4a of the sliding door 4 in a manner of being urged downward by an urging means 7, and the lower rollers 6 are fitted to the frame 8. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an upper suspension type sliding door device, and more particularly to an upper suspension type sliding door device capable of stably running an upper suspension type sliding door device having a wide movable range.

  Conventionally, as an upper suspension type sliding door device, in order to prevent the lower part of the sliding door from swinging, a guide roller for steadying is projected from the floor toward the lower bone of the sliding door, and the lower part of the sliding door is guided by this guide roller. An upper suspension type sliding door device has been proposed (for example, see Patent Document 1).

  However, in this case, in an upward sliding door device used for a partition portion having a wide opening width, for example, an upward sliding door device in which three or more sliding doors are arranged in a sliding door frame member, depending on the opening position of the sliding door, the guide There are cases where the rollers are not positioned between the lower bones of the sliding doors, and there are cases where people are whispered by the guide rollers protruding from the floor surface, and the appearance is not good.

  For this reason, there has been proposed an upper suspension type sliding door device in which a lower vehicle is disposed as a steadying mechanism at the lower part of the sliding door, and the lower vehicle travels on a guide rail laid on the floor surface to perform the steadying of the sliding door. Yes.

  By the way, as shown in FIGS. 5-6, this upper suspension type sliding door apparatus 30 is the sliding door frame member which consists of the upper frame 2a attached to the opening part (entrance / entrance part) of a wall surface, the lower frame 2c, and both the left and right side frame 2b, 2b. 2, a plurality of upper suspension rails 3 attached to the upper frame 2 a, a sliding door 4 attached to the upper suspension rail 3 via a door wheel 5, and a steadying mechanism 40 disposed at a lower portion of the sliding door 4. .

  A guide rail 9 is laid on the floor surface F, and a dismounting vehicle 41 that is rotatably disposed on an anti-sway 42 of an anti-sway mechanism 40 disposed on the lower part of the sliding door 4 is a convex portion 90 of the guide rail 9. The protruding portion of the steady rest 42 is configured to straddle the convex portion 90 of the guide rail 9 so as to prevent the sliding door 4 from swinging (see, for example, Patent Document 2). .

JP-A-4-297687 JP 2005-299077 A

By the way, since this upper suspension type sliding door device 30 has a structure in which the lower vehicle 41 and the steady rest 42 are biased downward by the biasing means 43 made of a spring or the like, it is necessary to increase the rigidity of the lower train 41 and the steady rest 42. is there. Further, the urging means 43 and the dismounting vehicle 41 have a complicated structure due to the structure. In particular, the dismounting vehicle 41 needs to use a dedicated component integrated with the urging device 43. There were cases where it was not possible to choose freely.
Moreover, there existed a problem that the cost of the whole upper suspension type sliding door apparatus 30 increased.

  In view of the problems of the above conventional upper suspension type sliding door device, the present invention is a steady rest using a general-purpose undercarriage, and has high rigidity even for an upper suspension type sliding door device used for a partition part having a wide opening width. An object of the present invention is to provide a top-hung type sliding door device capable of stably swinging the sliding door.

  In order to achieve the above-described object, according to the above-described suspension type sliding door device, a sliding door having an upper door disposed on an upper suspension rail attached to an upper frame is attached, and a lower floor disposed at a lower portion of the sliding door includes a floor. In a top-hung type sliding door device that is designed to prevent the sliding door from swinging by running on a guide rail laid on the surface, a frame having a length substantially the same as the length of the lower bone is placed in the lower bone of the sliding door by the biasing means. It is arranged to be biased downward, and a dismount is attached to the frame.

  In this case, the frame may have a U-shaped cross section with the upper part opened, and both outer side surfaces of the frame may be in sliding contact with both inner side surfaces of the lower bone with the lower part opened. .

  Further, in these cases, a plurality of disembarkation can be arranged on the frame.

According to the upper sliding type sliding door device of the present invention, a frame having a length substantially the same as the length of the lower bone is urged downward by the urging means in the lower bone of the sliding door, and the dismount is attached to the frame. From the above, the urging means does not directly urge the disembarkation, and the urging means and disembarkation may have a simple structure. In particular, the disembarkation can use general-purpose parts that are general commercial products, and the entire apparatus can be used. Costs can be reduced.
In addition, since the frame is attached in the lower bone having a U-shaped cross section having an opening on the lower side, the lower bone has a box shape, and it is possible to provide an upper suspension type sliding door device with improved strength and rigidity in the lower portion of the sliding door.

  In addition, when the frame has a U-shaped cross-section with the upper part open, and both outer side surfaces of the frame are in sliding contact with both inner side surfaces of the lower bone with the lower part open, the lower bone and The rigidity of the frame is further improved, the frame to which the lower vehicle is attached is stabilized in the lower bone, and the traveling straightness of the sliding door can be improved.

  Further, when a plurality of lower vehicles are arranged on the frame, rattling of each of the lower vehicles is suppressed, and the straight running stability is improved.

DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of an upwardly sliding sliding door device of the present invention will be described based on the drawings. In addition, about the structure similar to a conventional apparatus, the same code | symbol and a series of code | symbol are attached | subjected, and description is abbreviate | omitted.
1 to 4 show an embodiment of the upwardly sliding sliding door device of the present invention.

As in the conventional example, the upper suspension type sliding door device 1 includes a sliding door frame member 2 including an upper frame 2a, a lower frame 2c, and left and right vertical frame frames 2b and 2b attached to an open portion (entrance / exit portion) of a wall surface, and an upper frame 2a. A plurality of upper suspension rails 3 attached to the upper suspension rail 3 and a sliding door 4 having a door 5 disposed on the upper suspension rail 3 are attached.
And in the upper suspension type sliding door device 1 of the present invention, the frame 8 having substantially the same length as the length of the lower bone 4a is urged downward by the urging means 7 in the lower bone 4a of the sliding door 4, A lower vehicle 6 is attached to the frame 8 and the lower vehicle 6 travels on a guide rail 9 laid on the floor surface F to thereby prevent the sliding door 4 from swinging.

The frame 8 has a U-shaped cross-section with an open top, and its length L1 is substantially the same as or slightly smaller than the length L2 of the lower bone 4a, and the lower bone 4a and the frame 8 form a box shape. 4 to improve the rigidity.
Further, the frame 8 has a width D1 of both outer side surfaces slightly smaller than a width D2 of both inner side surfaces of the lower bone 4a having a U-shaped cross section with the lower part opened, and the frame 8 is formed on both inner side surfaces of the lower bone 4a. It is preferable that the both outer side surfaces are in sliding contact.

  The frame 8 is arranged on the lower bone 4a via the urging means 7 so as to urge the lower vehicle 6 attached to the frame 8 toward the floor surface F.

  The configuration of the biasing means 7 is not particularly limited, but in this embodiment, as shown in FIGS. 2 to 3, a guide shaft 70, an elastic member 71 composed of a winding spring, and the like, A fixed plate 72 for connecting to the bone 4a and a moving plate 73 that is attached to the frame 8 and moves together with the frame 8 are inserted into an elastic member 71 such as a winding spring on the shaft portion 70a of the guide shaft 70, and one end Is fixed to the fixed plate 72 by caulking or the like, and for the moving plate 73, the shaft portion 70a of the guide shaft 70 is inserted into the hole 73a opened in the moving plate 73, and the stop ring from the outside of the frame 8 is inserted into the groove portion 70b. R or the like is attached so that the frame 8 does not fall off the guide shaft 70.

  For the members that are in sliding contact with each other, such as the fixed plate 72, the moving plate 73, and the frame 8, it is preferable to use a highly lubricious material such as a material obtained by impregnating steel with resin.

  By configuring the urging means 7 in this way, the urging means 7 can be unitized, the assembly can be facilitated, and the replacement work at the time of maintenance inspection can be easily performed.

  Further, as shown in FIG. 4, the biasing means 7 does not use the fixed plate 72 and the moving plate 73, but has a large diameter portion 70 c at one end of the shaft portion 70 a of the guide shaft 70, and a hole 8 a opened in the frame 8. The elastic member 71 made of a winding spring or the like may be inserted into the shaft portion 70a when inserted from the bottom, and the screw portion engraved in the shaft portion 70a on the lower bone 4a may be directly fixed using a double nut. Absent.

  In addition, when the screw portion of the shaft portion 70a is fixed as a worm screw and is fixed in an adjustable manner from the side, a pressure is applied to the elastic member 71 in advance, so that the rattling at the time of installation work is performed. Can be suppressed.

  In the above configuration, when the frame on which the lower vehicle 6 is disposed is attached to the lower bone 4a, the lower vehicle 6 is attached so that the lower vehicle 6 protrudes from the lower surface of the sliding door 4, but the protruding amount A of the lower vehicle 6 from the lower surface of the sliding door 4 is The sliding door 4 is dimensioned to be slightly larger than the distance B from the lower surface of the sliding door 4 to the floor surface F when the sliding door 4 is attached to the upper suspension rail 3, and is energized when the lower vehicle 6 is placed on the guide rail 9. The means 7 is configured to be biased downward.

  Normally, the adjustment of the protrusion amount A is performed between the door 5 and the sliding door 4 attached to the upper suspension rail 3, but the length of the guide shaft 70 of the biasing means 7 can be adjusted. It is also possible to adjust by arranging a spacer between the fixing plate 72 and the lower bone 4a.

Then, the sliding door 4 is attached to the upper suspension rail 3 via the door pulley 5, and the construction of the upper suspension sliding door device 1 is completed in a state where the lower carriage 6 is biased by the rail member 9 b of the guide rail 9.
Thus, the traveling of the sliding door 4 is regulated by the door 5 placed on the upper suspension rail 3 at the upper part and the lower car 6 placed on the rail member 9b of the guide rail 9 at the lower part. However, it does not swing in a direction perpendicular to the traveling direction.

  As mentioned above, although the upper suspension type sliding door apparatus of this invention was demonstrated based on the Example, this invention is not limited to the structure described in the said Example, The structure is suitably changed in the range which does not deviate from the meaning. Is something that can be done.

  The upper suspension type sliding door device of the present invention is a steady rest using a general-purpose undercarriage, and has a characteristic that it has high rigidity and can perform stable steadying of the sliding door. It can be used suitably for the hanging type sliding door device used for the part.

It is the whole front view which shows one Example of the upper suspension type sliding door apparatus of this invention. FIG. 2 is a side view of a partially cutaway section of XX in FIG. 1. It is a principal part enlarged view which shows a disembark, an urging | biasing means, and a flame | frame, (a) shows before a guide rail attachment, (b) shows the state after guide rail attachment. It is a principal part enlarged view which shows another Example of a biasing means. It is a whole front view of the conventional upper suspension type sliding door apparatus. FIG. 6 is a side view of a partially cutaway view taken along the line YY in FIG. 5.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Upper suspension type sliding door apparatus 2 Sliding door frame member 2a Upper frame 3 Upper suspension rail 4 Sliding door 4a Lower bone 5 Door car 6 Getting off 7 Energizing means 8 Frame 9 Guide rail

Claims (3)

  A sliding door with a door at the top is attached to the upper suspension rail attached to the upper frame, and a stop at the lower part of the sliding door travels on the guide rail laid on the floor to prevent the sliding door from swinging. In the upper sliding type sliding door device, a frame having a length substantially the same as the length of the lower bone is urged downward by an urging means in the lower bone of the sliding door, and a dismount is attached to the frame. An upper suspension type sliding door device characterized by that.   The frame has a U-shaped cross-section with an open upper part, and both outer side surfaces of the frame are in sliding contact with both inner side surfaces of a lower bone with an open lower part. The top-hanging sliding door device according to 1.   The upper suspension type sliding door device according to claim 1 or 2, wherein a plurality of undercarriages are arranged on the frame.

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