JP2742764B2 - Support device for folding door runner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

2. Description of the Related Art A runner for a folding door includes a runner having a convex running roller which rotates around a vertical axis. The present invention is directed to a folding door supporting a panel weight with a lower runner of the above-described form provided on a lower surface of a door panel,
The present invention relates to a folding door runner supporting device for using upper and lower runners in a pivot structure of the folding door by capturing and fixing the runners on a rail.

[0002]

2. Description of the Related Art In a general folding door, a door panel is hung and supported by an upper runner fitted on an upper rail, and a lateral shake is regulated by a steadying roller provided at a lower end of the door panel. The steady roller includes a convex running roller that rotates about a vertical axis, and urges the running roller against the rail via a roller shaft by a spring. Utilization of upper and lower runners in a pivot structure in this type of folding door is known, for example, in Japanese Utility Model Laid-Open No. 4-135680, in which a runner stopper is screwed to the rail end of the upper and lower rails and provided on the runner stopper. The upper runner and the convex running roller are captured and fixed by the elastic piece.

There is a folding door in which the above-mentioned run-out roller type runner is mounted above and below a door panel, and the weight of the door panel is supported by a lower runner. In this type of folding door, the upper and lower runners have a pivot structure. Utilization is known. For example, the applicant provides this type of folding door on the market. There, each of a pair of upper and lower convex running rollers is captured by a socket fixed to upper and lower rails.
The socket is provided with a stepped hole-shaped bearing hole for receiving a convex running roller. As described above, supporting the pivot shaft with the socket having the bearing hole is disclosed in Japanese Utility Model Publication No. 5-6.
No. 369 and JP-A-6-28153. However, in any case, the socket is a socket for supporting a dedicated pivot shaft, and does not use the runner for the pivot structure.

[0004]

In the case of a folding door in which a door panel is hung by an upper runner, the upper runner is fitted into the upper rail, and then the upper and lower runners are moved to the rail end together with the door panel. Since the stopper is captured and fixed, the folding door can be easily incorporated. However, in the case of a folding door that supports the door panel with a run-out roller type runner, the lower convex running roller is fitted into the socket of the lower rail, and the entire folding door is tilted while maintaining this state. And the upper convex running roller needs to be fitted into the socket of the upper rail, and it is difficult to incorporate the folding door. At this time, the socket of the upper rail is temporarily fixed at a position distant from the rail end, and after the running roller is fitted, the socket is slid to the rail end and fixed there permanently.

As described above, when a steady roller type runner is used for the pivot shaft, it is necessary to align the upper and lower runners at the same time. Extra time is required to fix the book. Since the door panel is installed in a folded state, a large tilting moment acts on the lower runner, which also makes the installation work difficult. In the case of a large folding door having a vertical dimension of 2 to 2.5 m, the work of assembling the door panel becomes more difficult, and at least the weight of the folding door is supported to maintain the alignment of the lower runner. And an operator who fits the upper runner into the socket and operates the upper runner is indispensable.

An object of the present invention is to provide a supporting device for a folding door runner which is suitable for using a run-out roller type runner provided above and below a door panel as a pivot structure of the folding door. Another object of the present invention is to provide a supporting device for a folding door runner in which the upper and lower convex running rollers can be easily incorporated into the corresponding sockets, so that the assembly of the folding door to the upper and lower rails can be performed quickly and easily. I can provide it.

[0007]

According to the present invention, an upper runner 3 and a lower runner 4 are provided above and below a side end of a door panel 2 with a run-out roller 15 having a convex running roller 15, respectively. , Running rollers 15 and 15 of both runners 3 and 4 on the rail ends of the upper and lower rails 5 and 6 respectively.
Is a supporting device for a folding door runner provided with an upper socket 7 and a lower socket 8 for capturing and fixing the two traveling rollers 15 in a vertically opposed manner. The upper runner 3 and the lower runner 4 have respective running rollers 1
5 and 15 are provided with springs 14 and 14 for urging them forward.
The lower socket 8 is fixed to the lower rail 6 by a socket base 16, an adjustment nut 17 rotatably supported on the upper surface of the socket base 16, and screwed to the adjustment nut 17 to be vertically moved up and down. Adjustment axis 18 and adjustment axis 1
8 and a detent piece 19 for retaining the detent.

On the upper surface of the adjusting shaft 18, there is formed a socket hole 22 into which at least the protruding shaft portion 15b of the traveling roller 15 is fitted. The upper socket 7 has a socket body 24 fastened and fixed to the upper rail 5, and a socket hole 26 for fitting the protruding shaft portion 15 b and the main roller portion 15 a of the traveling roller 15 on the lower surface of the socket body 24 faces downward. It is formed in a state where it is opened at the end. The running roller 15 is moved from the roller mounting start end 24 a of the socket body 24 located inside the upper rail 5 toward the socket hole 26 by the spring 14.
The inclined guide surface 27 which is operated to be pressed down is formed. Between the inclined guide surface 2 7 and the socket holes 26, characterized in that the guide groove 28 which moves and guides toward the projecting shaft portion 15b into the socket hole 26 is formed. Specifically, on the front and rear walls of the inner surfaces of the upper rail 5 and the lower rail 6, the end surface 1a of the main roller portion 15a of the traveling roller 15 is provided.
A pair of ribs 9, 9 for receiving 5c are protruded in opposition. When the upper and lower runners 3 and 4 are mounted on the upper and lower sockets 7 and 8, the end surfaces 1 of the upper and lower running rollers 15.
The vertical interval between 5c and 15c is set to be smaller than the vertical interval between the ribs 9.9 of the upper and lower rails 5.6.

[0009]

The upper and lower sockets 7, 8 are fastened and fixed to the rail ends of the upper rail 5 and the lower rail 6, respectively, before the folding door is assembled, and the adjusting shaft 18 is operated by operating the adjusting nut 17 of the lower socket 8. Move it down. In this state, the folded folding door is slightly inclined, and the running roller 15 of the lower runner 4 is fitted into the socket hole 22 of the adjustment shaft 18. Then, the running roller 15 of the upper runner 3 is inserted into the rail groove of the upper rail 5. And the traveling roller 15 is moved to the upper rail 5.
Raise the entire folding door vertically toward the rail end while guiding with. During this time, the running roller 15 is guided by the inclined guide surface 27 of the upper socket 7 and
When the protruding shaft portion 15b is fitted in the guide groove 28, the lower surface of the socket main body 24 is shifted, and finally, the advance output of the spring 14 is received and fitted into the socket hole 26. Thereafter, the adjusting nut 18 is operated to move the adjusting shaft 18 upward to adjust the position of the door panel 2 and at the same time increase the contact pressure between the two traveling rollers 15.

As described above, the lower runner 4 is connected to the lower socket 8
After the fitting, the running roller 15 of the upper runner 3 is applied to the rail groove of the upper rail 5, and the assembly can be performed simply by shifting the upper part of the folding door to the rail end side. The difference from the conventional support device is that the upper rail 5 can be used as a built-in guide member, and the protruding shaft portion 15b is guided by the guide groove 28 so that the running roller 15 can be guided while the running roller 15 gets over the lower surface of the socket body 24. It is possible to prevent the upper socket 7 from being disengaged in the rail width direction, and it is not necessary to move the upper socket 7 to the rail end and refasten the rail after the running roller 15 is assembled since the upper socket 7 is fixed to the permanent fixing position in advance.

[0011]

According to the present invention, the running roller 1 of the upper runner 3 is used.
There is no need to directly fit the socket 5 while aligning it with the socket hole 26 of the upper socket 7, and the traveling roller 15 is guided by the guide groove 28 provided in the upper rail 5 and the socket main body 24, and the movement in the rail width direction is performed. Under the restricted state, the traveling roller 15 is guided and fitted into the socket hole 26, so that the folding door can be assembled quickly and easily as compared with the conventional supporting device. Even in the case of a large folding door having a large vertical dimension, the folding door can be incorporated by a single operator, and the construction cost at the construction site can be reduced as a whole.

[0012]

In FIG. 2, a folding door comprises a plurality of door panels 2 foldably connected via hinges 1, and upper runners 3 and lower runners 4 mounted near the upper and lower end sides of each door panel 2. An upper rail 5 and a lower rail 6 for guiding the runners 3 and 4 are provided, and an upper socket 7 and a lower socket 8 mounted on rail ends of the two rails 5 and 6, respectively. The upper and lower rails 5 and 6 are each made of an aluminum shape having a U-shaped cross section, and a pair of ribs 9 and 9 are protruded in opposition to each other near the opening edges of the inner surfaces of the front and rear walls as shown in FIG. The flange wall 10 is overhanging before and after the opening edge. Both rails 5 and 6 are arranged above and below the opening frame with the opening edges facing each other, and are fixed by screws while being embedded in the opening frame.

In FIG. 1, both upper and lower runners 3 and 4 are shown.
A roller shaft 13 and a spring 14 in a vertically long cylindrical case 12.
The running roller 15 is rotatably supported at the shaft end of a roller shaft 13 protruding outside the case 12. The roller shaft 13 is always urged to move out of the case by a compression coil spring 14. The running roller 15 is a convex roller formed by integrally molding a large-diameter main roller portion 15a and a frustum-shaped protruding shaft portion 15b protruding from the center of the upper surface. Although not shown, the main roller portion 15a and the roller shaft 1
A group of small steel balls for reducing the thrust friction is incorporated between the washer and the washer 3. The case 12 is composed of a pair of half-cylinders formed integrally, and the engagement force of the press-fit engagement portion provided on the joint surface of the half-cylinder and the engagement of the ring press-fitted on the outer surface of the small-diameter tube of the case 12. Maintain a cylindrical state by force. Each of the two runners 3 and 4 is driven and fixed in a mounting hole formed in the upper and lower end walls of the door panel 2 in a state where the entire case 12 is embedded. The upper and lower running rollers 15 roll along the upper and lower rails 5 and 6 with the end surface 15c of the main roller portion 15a abutting on the rib 9.

In order to use the pair of runners 3 and 4 as a pivot structure of a folding door, an upper socket 7 and a lower socket 8 are provided. 4 and FIG.
Is a socket base 16 made of a plastic molded product.
An adjusting nut 17 rotatably supported on one upper surface of the socket base 16, an adjusting shaft 18 screwed to the adjusting nut 17 to be moved up and down, and a caulking fixed to a lower end of the adjusting shaft 18. Stop piece 19 and socket base 1
6 includes a plate nut 20 provided on the lower surface side of the other side, and a bolt 21 screwed into the plate nut 20 from the upper surface side of the socket base 16 through an insertion hole.

A groove for engaging with the rib 9 is formed on each of the front side surface and the rear side surface of the socket base 16.
In the fastened state, the plate nut 20 contacts the lower surface of the rib 9 and cooperates with the bolt 21 to fix the socket base 16 immovably. The detent piece 19 is formed in the shape of a keyhole, and its peripheral edge contacts the inner surface of the same hole formed in the socket base 16 to prevent the adjustment shaft 18 from rotating freely. A tapered socket hole 2 that tapers down to the upper surface of the adjustment shaft 18
2 is recessed. The lower runner 4 is inserted into this socket hole 22.
Of the traveling roller 15 is fitted, and the end face 15c is received by the upper end face of the shaft.

3 and 6, the upper socket 7 is
It comprises a socket body 24 made of a plastic molded product, a plate nut 20 and a bolt 21 for fastening and fixing the socket body 24 using the rib 9 of the upper rail 5. The plate nut 20 and the bolt 21 are the same parts as those for the lower socket 8. An eaves wall 25 circumscribing the rib 9 is protruded from each of the front side surface and the rear side surface of the socket body 24.
The eave wall 25 and the plate nut 20 sandwich the rib 9 inside and outside, and fix the socket body 24 to the upper rail 5. A socket hole 26 that opens downward is formed adjacent to the insertion hole for the bolt 21, and an inclined guide surface 27 is formed from the roller mounting initial end 24 a toward the socket hole 26. Further, between the inclined guide surface 27 and the socket hole 26, a guide groove 28 for transitionally guiding the projecting shaft portion 15b of the traveling roller 15 is formed.

The socket hole 26 is formed as a stepped hole, so that the protruding shaft portion 15b and the upper half portion of the main roller portion 15a can be fitted. Inclined guide surface 27 and socket hole 26
Are adjacent to each other at a small interval. Therefore, the traveling roller 15 gets over the flat surface (the lower surface of the socket main body 24) between the inclined guide surface 27 and the socket hole 26 and then fits into the socket hole 26. The upper and lower sockets 7, 8 are fastened and fixed to the upper rail 5 and the lower rail 6, respectively, with the bolt 21 positioned on the rail end side as shown in FIG. In this mounting state, most of the socket base 16 of the lower socket 8 is located in the rail groove of the lower rail 6, but the adjustment nut 17 protrudes from the rail opening to the upper surface. Most of the socket body 24 of the upper socket 7 is located in the rail groove of the upper rail 5. The inclined guide surface 27 obliquely crosses the rail groove between the vicinity of the rail groove bottom and the rail opening.

When assembling the door panel 2 into the upper and lower rails 5, 6, first, the upper and lower sockets 7, 8 are fastened and fixed to the rail ends of the upper and lower rails 5, 6 in the state described above, and the lower socket 8 is adjusted. The adjustment shaft 18 is moved downward to the lower limit position by operating the nut 17. Next, as shown in FIG. 5, the running roller 15 of the lower runner 4 is fitted into the socket hole 22, the entire folded door is slightly inclined, and the running roller 15 of the upper runner 3 is applied to the upper rail 5. U.
At this time, the main roller portion 15a of the traveling roller 15 comes into contact with the pair of front and rear ribs 9, and is received by one of the front and rear rail walls near the opening edge, and is retained and held in the rail width direction. ing.

From this state, the traveling roller 1 of the lower runner 4 is moved.
When the upper part of the folding door is moved to the rail end side with the fulcrum 5 as a fulcrum, the running roller 15 of the upper runner 3 is guided by the upper rail 5 to abut the inclined guide surface 27 of the upper socket 7, and It moves along the inclined guide surface 27 while being pressed down against it. At this time, the middle peripheral surface of the protruding shaft portion 15b comes into contact with the opening edge on the lower surface side of the guide groove 28, and the traveling roller 1
5 is prevented from coming off in the rail width direction, so that the traveling roller 15 gets over the lower surface of the socket body 24 without any trouble and snaps into the socket hole 26. Further, the protruding shaft portion 15b of the traveling roller 15 of the lower runner 4 is also
Is completely fitted into the socket hole 22 provided in the socket. After this,
The adjustment nut 17 is rotated to move the adjustment shaft 18 upward, thereby adjusting the vertical position of the door panel 2 and increasing the tension of the spring 14.

In the state where the upper and lower runners 3 and 4 are captured and fixed by the upper and lower sockets 7 and 8 as described above, the vertical distance between the end surfaces 15c and 15c of the upper and lower running rollers 15 and 15 is as follows.
Since the distance between the ribs 9 and 9 of the upper and lower rails 5 and 6 is smaller than that of the other traveling rollers guided by the upper and lower rails 5.6, the two traveling rollers 15
2.26 can be pressed with stronger force. This means that the upper and lower runners 3 and 4 used as pivot axes can be more firmly held and fixed.

As described above, according to the folding door using the upper and lower runners 3 and 4 as a pivot structure, it is not necessary to consider that the hanging position differs from side to side, and all the door panels 2 are provided with the upper and lower runners 3 and 4. Can be integrated uniformly, and there is no need to prepare a dedicated pivot shaft, so that the manufacturing cost of the folding door can be reduced. Even when changing the hanging position after construction,
It is only necessary to mount the upper and lower sockets 7 and 8 on the upper and lower rails 5 and 6 in a state where they are turned left and right. The inclined guide surface 27 may be formed continuously with the opening edge of the socket hole 26.

FIG. 7 shows a modification of the lower socket 8. Here, the point that a roll pin is used as the detent piece 19 is different from the above embodiment. In the above embodiment, the detent piece 1
9 is fixed to the lower end of the adjusting shaft 18 by caulking. However, in this detent structure, a dangerous cross section is formed at the lower portion of the adjusting shaft 18, so that when the adjusting shaft 18 is formed of a plastic molded product, a breakage accident is likely to occur. In order to avoid such a situation, the rotation is stopped by a roll pin, and the strength of the adjustment shaft 18 formed of plastic is improved.

Since the upper and lower running rollers 15 are the same product, the upper socket 7 can be mounted on the lower rail 6 and the lower socket 8 can be mounted on the upper rail 5 for use.

[Brief description of the drawings]

FIG. 1 is a vertical sectional front view showing a pivot structure of a folding door.

FIG. 2 is a perspective view showing a schematic structure of a folding door.

FIG. 3 is a perspective view of an upper socket.

FIG. 4 is a perspective view of a lower socket.

FIG. 5 is a longitudinal sectional view showing a state in which the folding door is being assembled.

FIG. 6 is an external perspective view of the upper socket.

FIG. 7 is a longitudinal sectional view showing a modified example of the lower socket.

[Explanation of symbols]

 2 Door panel 3 Upper runner 4 Lower runner 5 Upper rail 6 Lower rail 7 Upper socket 8 Lower socket 9 Rib 14 Spring 16 Socket base 17 Adjustment nut 18 Adjustment axis 19 Detent piece 22 Socket hole 24 Socket body 26 Socket hole 27 Incline guide Surface 28 Guide groove

Claims (2)

(57) [Claims] An upper runner (3) and a lower runner (4), each of which has a run-out roller (15) having a convex shape, are mounted above and below a side end of a door panel (2). Each of the ends is provided with an upper socket 7 and a lower socket 8 for receiving the traveling rollers 15 of the two runners 3 and 4 and capturing and fixing the traveling rollers 15 in a vertically opposed manner. In the supporting device, the upper runner 3 and the lower runner 4 are provided with springs 14 for urging the respective traveling rollers 15 to advance, and the lower socket 8 is fastened and fixed to the lower rail 6. A socket base 16, an adjusting nut 17 rotatably supported on the upper surface of the socket base 16, an adjusting shaft 18 screwed to the adjusting nut 17 and vertically operated to retract. Adjustment axis 1
And a detent piece 19 for detenting and holding the detent 8. A socket hole 22 is formed on the upper surface of the adjusting shaft 18 so that at least the protruding shaft part 15 b of the traveling roller 15 is fitted therein. And a socket hole 26 for fitting the protruding shaft portion 15b and the main roller portion 15a of the traveling roller 15 is formed on the lower surface of the socket body 24 so as to open downward. There is formed an inclined guide surface 27 that pushes down the running roller 15 against the spring 14 from the roller mounting start end 24 a of the socket body 24 located inside the upper rail 5 toward the socket hole 26. , between the inclined guide surface 2 7 and the socket hole 26, projecting shaft portion 1
A supporting device for a folding door runner, in which a guide groove 28 is formed to guide the transition 5b toward the socket hole 26. 2. An end face 15 of a main roller portion 15a of a running roller 15 is provided on front and rear walls of inner surfaces of an upper rail 5 and a lower rail 6.
c, a pair of ribs 9.9 are provided so as to face each other, and the upper and lower runners 3, 4 are mounted on the upper and lower sockets 7, 8, respectively.
The vertical interval between 15c is the rib 9 of the upper and lower rails 5 and 6.
The supporting device for a folding door runner according to claim 1, wherein the supporting device is set to be smaller than the vertical interval of the runner.