JPH065484Y2 - Door rotary bearing mounting structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to a mounting structure of a door rotary bearing, and in particular, one end of a door body such as an opening door or a folding door has a vertical frame for mounting via a pivot bearing. The present invention relates to a door rotary bearing mounting structure which is rotatably supported laterally.

[Conventional technology]

As is well known, in a door opening or folding door, a door rotary bearing composed of a pivot bearing is arranged at one end (adjacent side end) of a door body adjacent to the mounting vertical frame. The door is supported via the door so as to be horizontally rotatable. The general structure of the mounting state of such a door rotary bearing is
Explaining with reference to the drawings, in the door, a gate-shaped frame assembly 52 consisting of a pair of left and right mounting vertical frames 50, 50 and a horizontal frame 51 provided therebetween is erected, and this frame structure is also provided. A pair of door bodies 55, 55 are suspended inside 52, and the lower end portions of the both mounting vertical frames 50, 50 and the pivot bearings 53, 53 arranged in the vicinity thereof are provided on the floor surface 54. It is buried below. And the rotary shafts 53a, 53a of the pivot bearings 53, 53
Are attached to the respective one ends of the door bodies 55, 55 from below, whereby the door bodies 55, 55 are pivot bearings 53,
It is possible to turn horizontally via 53.

The attachment vertical frame 50 and the horizontal frame 51 are members having the same cross-sectional shape, and both 50 and 51 are obtained by cutting a frame material formed by extrusion processing, which is a kind of plastic working technology, into predetermined dimensions. Is. On the inner side surfaces of the mounting vertical frame 50 and the horizontal frame 51, two ridges 56, 56 as shown in FIG. 6 are formed over the entire length in the longitudinal direction during the extrusion process.
In addition, screw ridges 57, 57 are formed in the ridges 56, 56, respectively. The mounting vertical frame 50 and the horizontal frame 51 are fixed by screwing tapping screws 58, 58 into the screw-threading vertical grooves 57, 57 while threading them (see FIG. 5).

On the other hand, the relative positional relationship between the lower end of the mounting vertical frame 50 and the pivot bearing 53 is extremely important, and if this positional relationship is not set properly, the opening / closing operation of the door bodies 55, 55 will be hindered. It will be.

Therefore, conventionally, in order to position the pivot bearing 53 with respect to the mounting vertical frame 50, the following method has been used.

That is, first, the pivot bearing 53 is fixed to the lower wall of the pivot gauge 60 having the shape shown in FIG. 7 with the rotating shaft 53a protruding upward by the set screws 61 ... As shown in, the vertical mounting frame installed on the floor 54
Dig a hole (cement hole) 62 in the proper place near the lower end of 50. Then, as shown in FIG. 9, the pivot bearing 53 is housed in the hole 62, and the pivot gauge 60 is attached to the tapping screw 63.
... fix it in place with 63. At this time, the backing plate 60a vertically attached to the pivot gauge 60 is attached to the mounting vertical frame 5
0 is in contact with one side surface. After that, cement (or mortar) is poured into the hole 62, and when this is dried and fixed, the pivot gauge 60 is attached to the vertical frame.
Remove from 50 and pivot bearing 53. As a result, the pivot bearing 53 is positioned at a predetermined position with respect to the mounting vertical frame 50 and is embedded under the floor surface 54.

Besides this method, as shown in FIG.
L-shaped bracket 65 that supports and supports the pivot bearing 53
Is fixed to one side of the mounting vertical frame 50 using the tapping screws 66 ... 66, and the lower end of the mounting vertical frame 50 and the pivot bearing are attached.
A method of burying 53 under the floor surface 54 may be adopted.

The positioning and attachment means such as the former is mainly used for so-called center suspension, that is, the one in which the rotary shaft 53a of the pivot bearing 53 is arranged at the central portion in the thickness direction at one end of the door body 55, and the latter. Such a positioning and mounting means is generally used mainly for so-called take-out suspension as shown in FIG. 11, that is, one in which the rotary shaft 53a of the pivot bearing 53 is offset to one side of the door body 55. Is.

[Problems to be solved by the invention] By the way, according to the former method of positioning by using the pivot gauge 60 and fixing with cement, the mounting work of the pivot bearing 53 must be performed on site. In addition, the work becomes troublesome and complicated, and the pivot gauge 60 is not always positioned at an accurate position and fixed to the mounting vertical frame 50.Therefore, the rotation axis center of the pivot bearing 53, that is, the pivot center. However, there is a problem that it varies depending on the construction. Further, according to this method, it takes a long time for the cement to dry and the pivot bearing 53 to be firmly fixed, and the work for assembling the door is postponed, which deteriorates the work efficiency and the work cost. It has the drawback of being forced to soar.

On the other hand, according to the latter method of fixing the bracket 65 of the pivot bearing 54 to one side surface of the mounting vertical frame 50 using the tapping screws 66 ... 66, the tapping screws 66 ... 66 are attached to the mounting vertical frame 50.
The pilot hole for screwing in must be machined (same in the former method), which causes an increase in machining man-hours and machining cost, and it is extremely difficult to drill the pilot hole at an accurate position. Since it is difficult, not only the center of the pivot varies but also the vertical position of the pivot bearing 53 varies.

[Means for solving problems]

In view of the above circumstances, the present invention was made by paying attention to the fact that the screw-threading vertical grooves formed on the mounting vertical frame at the time of extrusion processing do not exist at extremely accurate positions, and are The door rotary bearing includes a mounting vertical frame arranged in parallel at one end of the door body, and a pivot bearing rotatably supporting one end of the door body laterally of the mounting vertical frame. In the mounting structure of, the pivot bearing is fixedly supported on the upper surface of the support plate, the support plate is fixed to the lower end of the mounting vertical frame from below by using a tapping screw, and the tapping screw is The mounting vertical frame is screwed into the vertical and horizontal directions for screw threading formed during the extrusion process.

[Action]

According to the above means, the pivot bearing is fixed to the upper surface of the support plate, and the support plate is fixed to the lower end (the lowermost end) of the mounting vertical frame from below,
The lower end position of the pivot bearing always coincides with the lower end position of the mounting vertical frame, so that the vertical position of the pivot bearing does not vary.

Further, since the tapping screw used for fixing the support plate to the lower end of the mounting vertical frame is screwed into the screw-threading vertical groove formed at the time of the extrusion process of the mounting vertical frame, the pivoting screw is attached. Accurate positioning of the bearing ensures that the pivot center does not vary. That is, since the screw threading vertical groove is molded with high precision by extrusion processing, it always exists in an accurate position without variation. Therefore, as described above, the screw threading vertical groove. If the pivot bearing is positioned with reference to, the center of the pivot will always be located at the optimum position.

Further, as described above, since the pivot bearing is attached to the attachment vertical frame by using only the support plate and the tapping screw, all the attaching work can be performed in the factory.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS.

The same constituents as those of the conventional example shown in FIGS. 5 and 6 are designated by the same reference numerals, and detailed description thereof will be omitted.

First, a first embodiment of the present invention will be described with reference to FIGS.

As shown in FIG. 1, in the double folding door 1 according to the present invention, a gate-shaped frame assembly 52 composed of a pair of left and right mounting vertical frames 50, and a horizontal frame 51 straddling the upper ends of the mounting vertical frames is a floor surface 54. It is erected on the inside of the framework 52 and a total of four doors 55
… 55 is suspended. And, below the floor surface 54, the lower end portions of the both mounting vertical frames 50, 50 and the pivot bearings 53, 53 arranged in proximity to the inner side thereof are embedded, and the pivot bearings 53, 53 are Two doors 55 arranged at both left and right ends,
One end of 55 is rotatably supported on the side of the mounting vertical frames 50, 50.

As shown in FIG. 2, the pivot bearing 53 is fixed to the upper surface of the flat support plate 2 by welding,
The upper end of the rotary shaft 53a is fixedly engaged with the lower end of the door body 55, and the support plate 2 is attached to the lower end of the mounting vertical frame 50 from below by using tapping screws 3 and 3. It is fixed. The tapping screws 3 and 3 are
As shown in FIG. 3, the mounting vertical frame 50 is screwed into the threaded vertical grooves 57, 57 formed at the time of the extrusion process, with the thread being cut.

A decorative plate 4 that covers the floor surface 54 is attached to the upper end surface of the main body 53b of the pivot bearing 53.

In the assembling work of the folding door 1 having the above-described structure to a building, first, in the factory, the mounting vertical frames 50, 50 and the horizontal frame 51 are installed.
Assemble the frame assembly 52 consisting of and the pivot bearing 5
3 and 53 are attached to the mounting vertical frames 50 and 50, and then they are transported to the site, where the lower ends of the mounting vertical frames 50 and 50 and the pivot bearings 53 and 53 are buried under the floor surface 54, and After
This is performed by suspending the door bodies 50 ... 50 in the framework 52.

In addition, although the present invention is applied to a folding door in the above-described embodiment, it is needless to say that the present invention can be applied to an opening door having the structure shown in FIG. Yes.

FIG. 4 shows a second embodiment of the present invention. The difference between the second embodiment and the first embodiment is that the support plate 2 has one mounting vertical frame 50 to the other mounting vertical frame. The point is that the pivot bearings 53, 53 are fixed to the support plate 2 by the set screws 5.

[Effect of device]

As described above, according to the present invention, the pivot bearing is mounted on the mounting vertical frame with reference to the screw-threaded vertical groove of the mounting vertical frame which is molded at the correct position by extrusion. Therefore, the positioning is performed with high accuracy, and the position of the pivot bearing does not vary, so that the door body cannot be opened or closed due to the displacement of the pivot bearing.

Also, since the work of mounting the pivot bearing on the mounting vertical frame will be performed in the factory, workability and work efficiency will be improved, and the work of sticking on site by using the conventional pivot gauge will not be required. The work is shortened and the work cost is reduced, or it is not necessary to drill the prepared hole for screwing the tapping screw as in the past, and the work man-hour is reduced and the work cost is reduced. It will be.

[Brief description of drawings]

1 to 3 show a first embodiment of the present invention, and FIG. 1 is a schematic front view of a folding door according to the present invention, and FIG.
FIG. 3 is an enlarged front view of a main part showing the mounting structure of the pivot bearing, and FIG. 3 is a view taken along the line III-III in FIG. Further, FIG. 4 is a front view of the essential parts showing a second embodiment of the present invention. Furthermore,
FIG. 5 is a schematic front view showing a conventional example, and FIG. 6 is FIG.
VI sectional views, FIGS. 7 to 9 are perspective views showing a conventional pivot bearing mounting procedure, FIG. 10 is a front view of a main part of a conventional pivot bearing mounting structure, and FIG. 11 is a conventional example. It is a principal part top view shown. 2 …… Support plate, 3 …… Tapping screw, 50 …… Mounting vertical frame, 53 …… Pivot bearing, 55 …… Door, 57 …… Vertical groove for screw screwing.

Claims (1)

[Scope of utility model registration request] 1. A door rotation comprising a mounting vertical frame arranged in parallel at one end of a door body, and a pivot bearing rotatably supporting one end of the door body laterally of the mounting vertical frame. In the bearing mounting structure, the pivot bearing is fixedly supported on the upper surface of the support plate, and the support plate is fixed to the lower end of the mounting vertical frame from below by using a tapping screw, and the tapping screw is A mounting structure for a door rotary bearing, characterized in that the mounting vertical frame is screwed into a screw threading vertical groove formed during the extrusion process.