JP3768492B2 - Fastening bracket for wire of interlocking sliding door device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wire fastener used in an interlocking sliding door device that sequentially opens and closes a plurality of sliding doors in an interlocking manner.
[0002]
[Prior art]
For example, in an interlocking type sliding door device having two sliding doors, generally, a suspended vehicle body equipped with door wheels on the door tip side and door butt side on each sliding door is mounted, but as shown in FIG. The suspended vehicle bodies 2 and 3 mounted on the rear sliding door 1 support the door pulley 4 in the vertical direction by the respective mounting plates 2a and 3a, while supporting the pulley 5 in the horizontal direction, and between these pulleys 5 and 5 An end-shaped wire 6 is wound around the wire so as to be reciprocally rotatable. The wire 6 hangs the ring-shaped retaining ring portions 6a formed at both ends on the wire ring 7 fixed at the wall-side lintel position, and the middle of the wire 6 is omitted in the drawing, but the front sliding door The two sliding doors are connected so as to be interlocked with each other by being gripped by a joint plate attached to the door.
[0003]
At the time of opening and closing, when the sliding door on the front side is slid in the opening and closing direction while rolling the door wheel engaged on the sliding door guide rail, the sliding door 1 on the back side is continuously rotated while rotating the wire 6. It is structured to open and close in conjunction.
[0004]
By the way, in such an interlocking type sliding door device, at the time of assembly, the wire 6 is wound around the pulleys 5 and 5 at both ends, and the length is adjusted according to the size of the sliding door, while the aluminum tube 8 which is a conventional wire fastening metal fitting. Then, after the two end portions are passed through to make the retaining ring portion 6 a, the retaining ring portion 6 a is hooked on the wire ring 7. Furthermore, while pulling the wire 6 so as not to be detached from the pulleys 5 and 5, both sides 8a of the aluminum tube 8 are crimped by using a crimping tool such as a crimping pliers 9, and after crimping, the excess wire portion 6b is cut off. (See enlarged view in FIG. 4). In addition, the other end of the wire 6 is also fastened by crimping the aluminum tube 8 with crimping pliers 9 or the like through the same process.
[0005]
[Problems to be solved by the invention]
However, conventionally, when winding the wire 6 on the sliding door 1, when the end of the wire 6 is fastened using a crimping tool such as a crimping pliers 9, the loosened wire 6 is easy to move. Since the small-sized aluminum tube 8 is caulked using a relatively large crimping tool, the aluminum tube 8 may not be crushed sufficiently and accurately at an accurate crimping position depending on the skill level of the operator. As a result, there has been a problem that the end portion of the wire 6 shifts and slips out of the aluminum tube 8 and the retaining ring portion 6a is detached from the wire ring 7 frequently.
[0006]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a wire fastening bracket for easily and always fastening an end of a wire when winding a wire on the sliding door in the interlocking sliding door device as described above. It is in.
[0007]
[Means for Solving the Problems]
Therefore, in order to achieve the above-described object, the invention described in claim 1 has an end-like wire 30 wound around the upper end portion of the sliding door A so as to be capable of reciprocating rotation, for example, as shown in the following embodiment. 1 is a wire fastening bracket R provided in an interlocking sliding door device that sequentially opens and closes a plurality of sliding doors A and B using a wire, and is a wire that allows two ends of the wire 30 to be stacked and inserted. A connecting pipe 35 having a through-hole 35a, a female screw hole 35b drilled in a direction orthogonal to the wire through-hole 35a and communicating therewith, and a male screw portion 40a corresponding to the female screw hole 35b of the connecting pipe 35 on the outer periphery The screw includes a fastening screw 40 having a fitting hole 40c having a polygonal section in which a tip of a fastening tool such as a hexagon wrench 45 is fitted to the screw base end portion 40b.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0009]
FIG. 2 is a perspective view showing an interlocking type sliding door device provided with the wire fastener of the present invention. The interlocking sliding door device of the illustrated example is a two-piece single sliding type sliding door device that opens and closes the opening S by interlockingly sliding the two sliding doors A and B. The first sliding door is the sliding door on the far side near the wall W. A, the front sliding door is the second sliding door B.
[0010]
The first sliding door A has suspension bodies 10 and 11 mounted on the left door end side and the right door bottom side in FIG. 2 on the upper end surface, and the second sliding door B has the door end side and the door on the upper end surface. Suspended vehicle bodies 12 and 13 are mounted on the bottom side. The suspended vehicle bodies 10 and 11 of the first sliding door A are assembled on one side of the mounting plates 14 and 15 fixed to the upper end surface of the sliding door A by supporting the door pulleys 16 and 17 in the vertical direction, and on the other side. 18 and 19 are assembled by pivoting horizontally. On the other hand, on the suspension vehicle bodies 12 and 13 of the second sliding door B, the door wheels 22 and 23 are vertically supported on the mounting plates 20 and 21 fixed to the upper end surface of the sliding door B. Further, the joint plate 24 shown in an enlarged manner in FIG. The joint plate 24 is formed by screwing a clamping plate piece 24b to an L plate-shaped angle plate 24a. On the wall W side, a roller-shaped wire ring 25 is fixed at a predetermined lintel position with a set screw 26 as shown in an enlarged manner in FIG. The wire ring 25 has an annular groove for a wire formed on the outer peripheral surface.
[0011]
Moreover, the illustrated sliding door apparatus winds the end-like wire 30 on the first sliding door A and the second sliding door B. The wire 30 is wound around the pulleys 18 and 19, and the wire portion on the near side is clamped between the angle plate 24a and the clamping plate piece 24b of the joint plate 24, and the ends of the both ends formed using the wire fastener R of the present invention are used. Retaining ring portions 30 a and 30 b are hooked on the wire ring 25. And by winding the wire 30 so that reciprocation is possible, it has the structure which linked | coupled both sliding doors A and B so that reciprocation was possible.
[0012]
Further, in the illustrated sliding door device, the first sliding door A suspends the door pulleys 16 and 17 slidably in the opening and closing direction by engaging with a U-shaped guide rail 27 fixed to the upper part of the door frame E. . The second sliding door B is slidably suspended by engaging the door pulleys 22 and 23 with the guide rail 28. In the illustrated sliding door device, a guide mechanism (not shown) is provided on the lower side for guiding the sliding doors A and B so that they do not swing sideways during the opening / closing operation.
[0013]
Accordingly, in the illustrated sliding door device, for example, when the second sliding door B is pulled out from the sliding door housing position D when closed, the wire 30 is sent and rotated in one direction indicated by an arrow in FIG. The first sliding door A is pulled out with a slight delay in conjunction with the movement of B. Then, both sliding doors A and B are sequentially slid in an interlocking manner to close the opening S.
[0014]
By the way, the above-described wire fastener R of the present invention includes a metal connecting pipe 35 and a fastening screw 40. As shown in FIG. 1, the connecting pipe 35 is formed in such a way that a diameter-sized wire through hole 35 a into which two ends of the wire 30 are overlapped and inserted in a direction perpendicular to the wire through hole 35 a. Two female screw holes 35b communicating with 35a are provided and formed. On the other hand, the tightening screw 40 has a male screw portion 40a corresponding to the female screw hole 35b of the connecting pipe 35 screwed on the outer periphery. The screw base end portion 40b is formed by providing a fitting tool 40, for example, a fitting hole 40c having a polygonal cross section, for example, a hexagonal cross section, for fitting the tip of a tightening tool, for example, an L-bar hexagon wrench 45.
[0015]
Therefore, when assembling the illustrated sliding door device, when winding the wire 30 on the first sliding door and the second sliding door B using the wire fastener R, the wire 30 is wound around the pulleys 18 and 19, While adjusting the length according to the size of the sliding door A, two end portions of the wire 30 are passed through the wire insertion holes 35a of the connecting pipe 35 so as to form an annular retaining ring portion 30a. 30a is hooked on the wire ring 25. Next, while pulling the wire 30 so as not to be detached from the pulleys 18 and 19, the tip of the hexagon wrench 45 is fitted into the fitting hole 40b after inserting the tip into the female screw hole 35b and raising the tightening screw 40, and tightening. Screw 40 is screwed in. Then, the tightening screw 40 is screwed into the two female screw holes 35b of the connecting pipe 35, respectively, and the one end of the wire 30 is fastened by pressing the screw tip. Further, through the same procedure, the other end portion of the wire 30 is also tightened by screwing the tightening screw 40. In addition, after fastening, each excess wire part is cut off.
[0016]
In the illustrated embodiment described above, the example in which the wire 30 having the retaining ring portions 30a and 30b is fastened to the end has been shown. However, the wire fastening bracket R according to the present invention is limited to such a case. For example, as shown in FIG. 3, the present invention can also be applied to a case where the end portions 30 c and 30 d are simply connected by fastening the wire 30 in a straight state.
[0017]
In the other example shown in the figure, the ends 30c and 30d of the wire are inserted into the wire insertion hole 35a of the connecting pipe 35 so as to be inserted, the tip of the hexagon wrench is fitted into the fitting hole 40c, and the tightening screw 40 is screwed. Then, the end of the wire 30 is fastened by pressing with the tip of the screw.
[0018]
【The invention's effect】
According to the present invention configured as described above, the following effects can be obtained.
[0019]
According to the first aspect of the present invention, when the wire is wound on the sliding door at the time of assembling the interlocking type sliding door device, the end of the wire is tightened only by screwing the tightening screw and pressing the wire with the tip of the screw. Because it is configured to be worn, anyone can easily and consistently ensure the end of the wire, regardless of the skill level of the operator, based on the response of pressing the wire by screwing the tightening screw. Can be fastened. In addition, since it is only necessary to screw in the tightening screw with a small and simple hexagon wrench or other tightening tool, it is easy to work even if the slack winding wire is in a state where it is easy to move. The wire end can always be fastened accurately at the screwing position. As a result, it is possible to prevent the occurrence of a problem that the end portion of the wire is shifted and slipped through due to insufficient fastening as in the conventional case, or the retaining ring portion is detached from the wire ring.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an example of use in which a wire is fastened at an end using a wire fastener of the present invention.
FIG. 2 is a perspective view showing an interlocking sliding door device provided with the wire fastening bracket.
FIG. 3 is a perspective view showing another usage example in which a wire is fastened at an end using the wire fastening metal fitting.
FIG. 4 is a perspective view showing a state in which a conventional interlocking sliding door device is wound on a sliding door and crimped and fastened with an end portion of a wire.
[Explanation of symbols]
A / B Sliding door R Wire fastening bracket 30 Wire 35 Connecting pipe 35a Wire insertion hole 35b Female screw hole 40 Tightening screw 40a Male screw part 40b Screw base end part 40c Fitting hole 45 Hexagon wrench (clamping tool)

Claims (1)

A wire fastening bracket provided in an interlocking sliding door device that sequentially opens and closes a plurality of sliding doors by using a wire end end wound around the upper end of the sliding door in a reciprocating manner,
A connecting tube having a wire through-hole through which two ends of the wire are stacked and inserted, a female screw hole drilled in a direction orthogonal to the wire through-hole and communicated therewith,
A tightening screw having a male threaded portion corresponding to the female threaded hole of the connecting pipe on the outer periphery and having a fitting hole having a polygonal cross section for fitting the distal end of the tightening tool to the screw base end portion;
Fastening fitting for wire of interlocking type sliding door device characterized by consisting of.

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