JP3098476B2 - Hanging car type runner device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging wheel type runner device used for a folding door or a partition, and more particularly, to adjust the vertical direction of the folding door or the partition with a simple tool such as a screwdriver. Related to a runner device.

[0002]

2. Description of the Related Art A known example of this type of folding door runner is disclosed in Japanese Utility Model Laid-Open No. 5-882. As shown in FIG. 7, this runner 50 for folding doors
A runner body 52 that is guided to run on a guide rail 51;
A vertically long screw shaft 5 rotatably mounted on the runner body 52
3, a female screw cylinder 55 fitted and installed in a mounting hole formed in the upper end wall of the folding door 54 and screwed with the screw shaft 53, and being screwed to the folding door 54 to remove the female screw cylinder 55 from the mounting hole. Mounting bracket 5 having an inverted L-shaped cross section for holding and holding so as not to come off
6.

[0003] In the folding door runner 50, when adjusting the folding door 54 up and down at the time of assembling, a hexagon nut-shaped operating portion 53a integrally formed in the middle of the screw shaft 53 is rotated with a dedicated spanner. This is achieved by adjusting the screwing amount of the screw shaft 53 into the female screw cylinder 55. The dedicated spanner is usually supplied as a dedicated tool from a manufacturer of a folding door runner.

[0004]

Thereafter, the location of the folding door 54 may change due to reasons such as the co-rotation of the screw shaft 53 and the aging of the building after residence, and the resident may newly move the folding door 54 up and down. Adjustments may be required. However, in many cases, the dedicated spanner for adjustment has already been lost, and it has often been troublesome to contact a manufacturer or the like for a new one.

[0005] In the conventional spanner adjustment, there is also a problem that the adjustment is time-consuming, for example, the operator has to go up on a stepladder or a stepper to make the adjustment so that the operation section 53a can be seen. there were. Further, from a structural point of view, a mechanism for preventing the co-rotation of the screw shaft is often added, and thus there is a problem that the number of parts increases and the structure becomes complicated.

Therefore, a main object of the present invention is to make it possible to easily adjust the vertical direction of the folding door or partition with a simple tool such as a screwdriver, and to easily adjust the folding door or step without using a stepladder or the like. SUMMARY OF THE INVENTION An object of the present invention is to provide a hanging wheel type runner device which can be operated and has a simple structure.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention comprises a plurality of rollers on the side, which are guided along a guide rail so as to be able to run along a guide rail, and which has a vertical penetration through a substantially central portion of the lower surface. In a hanging wheel type runner device including a runner body having a hole formed therein, and a main shaft that is inserted into at least the through hole and supports the folding door in a suspended state, the runner body is swingable with a rotation support shaft with respect to the runner body. A supporting rocking piece is provided, and an operating member is provided at the rocking end of the rocking piece to support the upper portion of the main shaft in a suspended state, and to rock the rocking piece. It is characterized by having.

In this case, in the runner body, a box hollow portion is formed which includes an insertion portion of a roller shaft for supporting the roller and is opened on the upper surface side, and the roller shaft is shared with the box hollow portion. The structure in which the rocking piece is provided so as to be freely rockable as the support shaft is suitably adopted. This support structure is excellent in that the shape of the runner body can be made compact.

The operating member may be an adjusting screw which is screwed obliquely upward from the lower surface of the runner body and whose tip abuts on the lower end surface of the oscillating piece in that the structure is simple. Is desirable.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall perspective view of a folding door, FIG. 2 is a side view of a runner device 1 according to the present invention, and FIG.
Is a front view, and FIG. 4 is an exploded view thereof.

As shown in FIG. 1, the folding door 5 has an upper guide rail 2 disposed above the opening and a lower guide rail 3 disposed below the opening, and is fixed to the upper end of the folding door 5. The lower runners 4, 4, which are guided along the upper guide rail 2 and are fixed to the lower end of the folding door 5, are provided.
Is guided along the lower guide rail 3 so that it can be opened and closed by bending at a hinge part in the middle of the folding door.

The upper runner 1 used for the folding door 5
Are mainly provided with four rollers 18, 18... On the side part and guided runnably along the upper guide rail 2, and a main shaft 10 connecting the runner body 13 and the folding door 5. A shaft holding tube 11 for holding the main shaft 10 fitted and installed in a fitting concave portion 5a formed on a side portion of an upper surface of the folding door 5; And an attachment member 12 having an inverted L-shaped cross-section for holding and holding the folding door 5 in the runner body 13 in order to move the main shaft 10 up and down, that is, raise and lower the folding door 5 suspended by the main shaft 10. In order to perform adjustment, a swinging piece 14 for locking the upper portion of the main shaft 10 and an adjusting screw 15 for swinging the swinging piece 14 are provided.

More specifically, the runner body 13 includes two roller support shafts 17 on each side.
Are supported by rollers A, 17B, and the rollers 18, 18,... Roll in the running grooves A, A of the upper guide rail 2 so that the upper guide rollers 2
It is movable along. One roller support shaft 1
7A is commonly used as a support shaft of the swinging piece 14 provided inside the box-opening portion 13a of the runner body 13. The vertical adjustment mechanism of the folding door 5 provided in the runner body 13 will be described later in further detail.

The main shaft 10 has a large diameter shaft portion 1 from the lower end side.
0a, a shaft portion 10b, and a caulking portion 10c continuously and integrally.
After penetrating through the substantially central portion of the lower surface of the runner body 13 in the vertical direction, and passing through the shaft insertion hole 14a formed in the swinging piece 14, the ring plate 16 is inserted into the caulking portion 10c at the tip. The shaft holding cylinder 11 and the runner body 13 are integrally connected by squeezing the tip.

On the other hand, the shaft holding cylinder 11 fitted and installed in the upper end of the folding door 5 has a long hole 12
a cylindrical member having a fitting boss portion 11a fitted into the hole a and a hollow hole penetrating in the longitudinal direction of the member at an axial center portion. The upper half of this hollow hole has a relatively small diameter shaft insertion hole 11B through which the shaft portion 10b of the main shaft 10 is inserted.
And the lower half portion is a large-diameter shaft portion 10a of the main shaft.
Is a relatively large diameter fitting portion 11c to be fitted. When the main shaft 10 is inserted from the lower end side of the shaft holding cylinder 11, the shoulder portion 10e of the large-diameter shaft portion 10a of the main shaft 10
Hits the boundary step on the upper part of the fitting portion 11c and is held so as not to come out upward.

On the other hand, the mounting member 12 is formed to have an inverted L-shaped cross section composed of a horizontal upper flange 12A and a hanging flange 12B which extends from one side of the upper flange 12A to extend downward. A long hole extending in a short direction (thickness direction of the folding door 5) in which a fitting boss 11a formed on the shaft holding tube 11 is fitted substantially at a central portion of the upper surface flange 12A. 12a is formed,
A plurality of screw holes 12b for fixing the attachment member 12 to the folding door 5 are formed in the hanging flange 12B.

In mounting the upper runner 1, the shaft holding cylinder 11 is press-fitted into a fitting recess 5a formed on the side of the upper end surface of the folding door 5 and then fitted into the shaft holding cylinder 1.
The long hole 12a of the mounting member 12 is fitted into the fitting boss 11a, and the mounting member 12 is pressed against the upper end corner of the folding door 5 and is fixed by a fixing screw (not shown) (see FIG. 3). The shaft holding cylinder 11 has an upper end shoulder 1
1e is engaged with the edge of the long hole 12a of the mounting member 12, and is firmly held so that it does not come out upward even when a hanging load of the folding door 5 is applied. The reason why the fitting hole for the fitting boss portion 11a of the shaft holding cylinder 11 in the mounting member 12 is formed as a long hole is to enable general-purpose use even if the thickness of the folding door 5 changes.

In the present runner device 1, the vertical adjustment of the folding door 5 is performed by an adjusting screw 15 provided on the runner body 13. As shown in FIG. 5, the runner main body 13 has a box-opening portion 13a which includes an insertion portion of one roller support shaft 17A and is open on the upper surface side at a position closer to one side. The roller support shaft 1 with respect to the portion 13a
A swinging piece 14 is provided inside the swinging piece 14 so as to be swingable around 7A as a support shaft. The rocking piece 14 has a vertical shaft insertion hole 14a formed at the tip of the rocker, and the tip of the main shaft 10 is inserted into the shaft insertion hole 14a as described above. After the ring plate 16 is mounted, the tip is caulked, and the folding door 5 is supported via the main shaft 10 in a suspended state.

On the other hand, on the lower surface of the runner body 13, an adjusting screw 15 screwed into the swinging piece 14 in an obliquely upward direction.
The tip of the adjusting screw 15 is in contact with the screw contact surface 14b on the lower surface of the swinging piece 14.

FIG. 5 is a view when the folding door 5 is at the maximum ascending position. If it is desired to lower the folding door 5 from this state, a driver (screwdriver) 20 is brought in and the adjusting screw 15 is unscrewed. Rotate in the direction. With the retraction of the adjusting screw 15, the swinging piece 14 rotates counterclockwise from the state shown in the figure to lower the hanging point of the main shaft 10, and the main shaft 1
The folding door 5 suspended at 0 is lowered. Conversely, when the folding door 5 is raised, the adjusting screw 15 is screwed and the swinging piece 15 is swung so as to be lifted.

In the case of such a vertical adjustment mechanism, the swinging piece 1
The main shaft 10 is supported via 4, and the vertical movement of the main shaft 10 is performed by the swinging operation of the swinging piece 14 by the adjusting screw 15. Therefore, the main shaft 10 does not receive any horizontal pressing force from the adjusting screw 15 and is always supported by the swinging piece 14 in a suspended state. It is always kept smooth.

In this embodiment, the support shaft of the swinging piece 14 and the support shaft of the roller 18 are shared for the purpose of reducing the size of the runner body 1. Of course, these support shafts are provided separately. You may. The engagement between the main shaft 10 and the rocking piece 14 is such that the ring plate 16 is fixed to the top of the main shaft 10 and held so that the main shaft 10 does not fall off. Any engagement structure may be used as long as it is suspended and supported by a structure in which the swing does not hinder the swing operation at the end.

[0023]

As described above in detail, according to the present invention, the vertical adjustment of the folding door or the partition can be easily performed with a simple tool such as a screwdriver, and without using a stepladder or a step platform. Adjustment can be easily performed while standing. In addition, it has advantages such as a simple structure as compared with the related art.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a folding door 5. FIG.

FIG. 2 is a side view of the runner device 1 according to the present invention.

FIG. 3 is a front view thereof.

FIG. 4 is an exploded view thereof.

5 is a vertical sectional view of the runner body 13 (a view taken along line VV in FIG. 4).

FIG. 6 is an operation explanatory view of the swinging piece 14;

FIG. 7 is a front vertical sectional view of a conventional runner device.

[Description of Signs] 1 ... runner device, 2 ... upper guide rail, 3 ... lower guide rail, 4 ... lower runner, 5 ... folding door, 10 ... main shaft, 1
DESCRIPTION OF SYMBOLS 1 ... Shaft holding cylinder, 12 ... Mounting member, 13 ... Runner main body, 13a ... Box removal part, 14 ... Oscillating piece, 14a ... Shaft insertion hole, 15 ... Adjustment screw, 16 ... Ring plate, 17A / 17B
... Roller shaft, 18 ... Roller

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E05D 15/06-15/06 125 E05D 15/00

Claims (3)

(57) [Claims] 1. A runner body having a plurality of rollers on its side and guided freely along a guide rail and having a through hole in the vertical direction substantially at the center of the lower surface, and inserted at least through the through hole. And a main shaft that supports the folding door in a suspended state, wherein a swinging piece that is swingably supported by a rotation support shaft is provided for the runner body, and the swinging piece is The upper end of the main shaft is supported in a suspended state at the swinging end,
And an operating member for causing the swinging piece to swing is provided. 2. The runner main body further includes a box-opening portion that includes an insertion portion of a roller support shaft that supports the roller and that is open on the upper surface side. The hanging wheel type runner device according to claim 1, wherein the swinging piece is swingably provided as a support shaft. 3. The adjusting screw according to claim 1, wherein the operating member is an adjusting screw screwed obliquely upward from a lower surface of the runner body and having a tip abutting on a lower end surface of the swinging piece. Hanging car type runner device.