JPS587897Y2 - Adjustable door wheel - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to the structure of an adjustable door roller that enables the vertical adjustment of a shoji screen.

Conventionally, an adjustable door roller has been used to adjust the verticality of a shoji, and as shown in FIG. When installing the door roller 3, the internal movable body 4 that supports the door roller 3 is stacked so as to be movable up and down, and the adjustment screw 6 inserted through the horizontal portion 5 of the upper surface of the external holding body 2 so as to be prevented from moving upward is inserted into the internal movable body 4. The shoji is screwed onto the horizontal portion 7 of the upper surface of the body 4, and the shoji is vertically installed by rotating the adjusting screw 6, but as the shoji is opened and closed repeatedly, the screw 6 gradually loosens.
Again, there was a drawback that the vertical orientation was distorted.

The present invention solves the drawbacks of the conventional adjustable door rollers, and the purpose of the present invention is to provide an adjustable door roller that completely eliminates the occurrence of misalignment after vertical adjustment. It is something.

That is, in the adjustable door roller according to the present invention, an internal movable body for attaching and supporting the door roller is superimposed on an external holding body that is attached and fixed to a shoji frame so as to be able to move up and down, and is screwed onto the horizontal part of the upper surface of the internal movable body. The shape of the head of the adjusted screw and the shape of the retaining hole provided in the horizontal part of the upper surface of the external holding body for fitting the head,
The shape is such that the screw cannot be rotated when the two are fitted together, and a locking portion having a size larger than the engagement hole for fitting is formed on the lower side of the head, and the locking portion is It is characterized in that it is adapted to engage with the surface of the upper horizontal portion of the external holder.

Hereinafter, the present invention will be explained according to the illustrated embodiment.
The upper horizontal part 8b is connected to the upper end of the mounting part 8a, and the upper horizontal part 8b is provided with a rectangular engagement hole 9 for fitting a screw head, and the center part of the mounting part 8a is located on the indoor side. A vertically long guide groove 1 is formed in the bulge.
0 is formed.

Further, the internal movable body 11 is composed of a door roller mounting portion 11a and an upper surface horizontal portion 11b that is connected to the upper end of the door roller mounting portion 11a and parallel to the upper surface horizontal portion 8b of the external holder 8. Yes, the shaft 12 on which the door roller 3 is attached is connected to the door roller attachment part 11.
a, and protrudes toward the outdoor side, and the protrusion opening enters into the guide groove 10, so that the internal movable body 1
1 into the external holding body 8, and the internal movable body 11 can be moved up and down.

The upper horizontal part 11b of the internal movable body 11 has an adjustment screw 1
3 is screwed on, and the head 1 of this adjustment screw 13
3a is formed in a square shape corresponding to the square shape of the engagement hole 9, and a disk-shaped locking portion 13b formed with a larger size than the engagement hole 9 is provided on the lower side of the head 13H. provided.

Note that the shape of the screw head 13H is not limited to a square shape,
As shown in the figure, the engagement hole 9 may have a hexagonal shape, and the shape of the engagement hole 9 may also be a hexagonal shape. In this case, finer adjustment can be made than in the case of a square screw head.

In addition, the shapes of the screw head 13a and the engagement hole 9 can be appropriately selected as long as they can prevent rotation of the screw 13 by fitting into each other.

For example, in addition to the polygonal shape described above, it also includes a circular shape.

As shown in FIG. 2, the door roller according to the illustrated embodiment has a rectangular head 13a of the adjustment screw 13 screwed onto the upper surface horizontal portion 11b of the internal movable body 11. While fitting into the engagement hole 9 of the upper surface horizontal portion 8b of the holding body 8,
The locking portion 13b of the adjustment screw 13 is attached to the shoji frame 1 and runs on the rail 14 with the locking portion 13b locked to the back surface of the top horizontal portion 8b.
b, the upward movement of the internal movable body 11 to which the door roller 3 is attached is prevented, and the square head 13a
Since the rotation of the screw 13 is prevented by the fitting between the shoji and the square engagement hole 9, the screw 13 gradually rotates due to the running vibration of the shoji, as in the conventional case, and as a result, the position of the door roller 3 changes. This has the advantage that the position of the door roller 3 is always maintained in an immovable state, and therefore the shoji does not become erroneous again after being properly vertically adjusted. It is played.

In addition, the vertical adjustment operation of the adjustable door roller according to the above embodiment is as follows:
As shown in FIG. 6, by slightly lifting the shoji itself upward and raising the external holding body 8, the adjustment screw 1
The square head 13a of No. 3 is removed from the square engagement hole 9,
This is done by releasing the adjustment screw 13 from the restriction by the rectangular engagement hole 9 to make it rotatable, and then rotating the adjustment screw 13 in this state.

That is, depending on how much the adjustment screw 13 is screwed into the horizontal portion 11 b of the upper surface of the internal movable body, the gap distance between the horizontal portion 11 b of the upper surface and the horizontal portion 8 b of the external holding body upper surface increases or decreases, and as a result, the amount of adjustment changes. It is possible to correct miscalculations.

As described above, the present invention prevents the adjustment screw from rotating when the door roller is running by shaping the head of the adjustment screw and the retaining hole so that they cannot rotate when they are engaged. To provide a practical door roller which does not become misaligned again after vertical adjustment.

[Brief explanation of the drawing]

Figure 1 is a schematic side view showing a conventional adjustable door roller, Figure 2 is a sectional view of essential parts of an adjustable door roller according to an embodiment of the present invention, and Figure 3 is a schematic side view showing a conventional adjustable door roller.
The figure is a partial perspective view of the adjustable door roller according to the same embodiment, FIG. 4 is a plan view of the adjustable door roller according to the same embodiment, FIG. 5 is a plan view showing another embodiment, and FIG. 6 is the adjustment of the adjustable door roller. FIG. 3 is a sectional view of a main part showing a possible state. Code 1... Shoji frame, 3... Door roller, 8
......External holding body, 8b...Top horizontal portion, 9...Engagement hole, 11...Internal movable body, 11 b...・Top horizontal part, 13...
Adjustment screw.

Claims (1)

[Scope of utility model registration request] An external holding body that is fixed to the shoji stile is attached to an internal movable body that supports the door roller so that it can move up and down, and the shape of the head of the adjustment screw is screwed onto the horizontal part of the upper surface of the internal movable body. and the shape of the engagement hole provided in the horizontal part of the upper surface of the external holder for this head fitting is made into a shape that makes it impossible for the screw to rotate in the fitted state of both, and the above-mentioned A locking portion having a size larger than the fitting retention hole is formed on the lower side of the head, and the locking portion is configured to engage with the surface of the upper horizontal portion of the external holding body. Adjustable door wheel.