JPH0799071B2 - Door frame unit, door frame mounting structure, and door frame mounting method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a door frame, particularly a steel door frame.

[0002]

2. Description of the Related Art A steel door provided at a doorway in a building is rotatably provided on a steel door frame fixed to a building side.

A conventional door frame mounting structure will be described with reference to FIGS.

In the figure, 1 is a floor, 2 is a ceiling, 3 is a wall, and an opening 4 for installing a door is provided in the wall 3, and a reinforcing bar 6 is projected in the opening 4 at a required pitch. Has been done.

An iron piece 7 is welded to the outer peripheral side of the steel door frame 5 at a required pitch, the reinforcing bar 6 is welded to the iron piece 7, and the door frame 5 is fixed to the opening 4. It has become. Further, in the figure, 8 is a door.

[0006]

In the above-described conventional door frame mounting structure, the iron piece 7 and the reinforcing bar 6 are to be welded on site, and the door frame mounting work can be set up such as carrying in a welding machine to the work place. It takes a lot of labor and time, and the work must be done by a welding engineer, and there are many restrictions on the work, such as the work that can be performed in parallel depending on the number of welding machines.
Furthermore, since there are many welding points for mounting the door frame, it takes a long time to work, or because it is fixed by welding, it is difficult to correct after fixing, position adjustment at the time of fixing is careful, workability is poor. There was a problem. Further, as described above, since the wall 3 and the opening 4 are required to install the door frame 5, the door installation place must be decided at the design stage, and the door installation place can be freely selected. There were many problems, such as the difficulty of changing the door installation location.

In view of the above-mentioned circumstances, the present invention is intended to omit welding work, to efficiently attach the door frame without requiring skill, and to increase the degree of freedom in installing the door.

[0008]

According to the present invention, there is provided a door frame having a length substantially reaching from a floor to a ceiling, and having upper and lower ends fixed to a ceiling and a floor and holding columns fixed to both side frame portions of the door frame. Holding unit is fixed to both sides of the door frame to the ceiling of the door frame, and a fixture formed in an L shape along the horizontal bending line is attached to the end of the holding column with a bolt. The L-shaped fixture can be fixed to the floor and ceiling via bolts, and the through hole of the bolt formed in the L-shaped fixture and the end of the holding column are formed. The through hole of the bolt is a long hole, and the long hole direction of the through hole formed in the horizontal portion of the L-shaped fixture is perpendicular to the vertical portion of the L-shaped fixture.
A door frame in which the long hole direction of either the vertical portion of the L-shaped fixture or the through hole of the bolt formed in the end of the holding column is horizontal and the other is perpendicular to the one through hole. Depending on the mounting structure, or by installing a plate for fixing the holding column on the ceiling, and fixing the holding column approximately reaching the ceiling from the floor to both side frame parts of the door frame, L-shaped along the vertical bending line The fixture formed in the shape of a line is fixed to the end of the holding column with a bolt,
An L-shaped fixture can be fixed to the plate through a bolt, and a through hole of the bolt formed in the plate and a penetration of the bolt formed in a portion of the L-shaped fixture fixed to the plate. One of the holes is a long hole extending in the horizontal direction, the through hole of the bolt formed at the end of the holding column is a long hole, and the through hole of the connecting portion between the plate and the L-shaped fixture is formed. In the door frame mounting structure in which the long hole direction of one through hole of the L-shaped fixing tool and the end of the holding column is horizontal and the other hole is vertical, Two holding columns that have a length to reach and can be fixed to the ceiling and floor at the upper and lower ends are pre-fixed to both side frame parts of the door frame, the holding column and the door frame are integrated, and then the holding column The present invention relates to a door frame mounting construction method for fixing upper and lower ends to a ceiling and a floor.

[0009]

[Operation] The door frame can be mounted with a simple tool such as a spanner, does not require welding work, improves workability, and does not require a wall body for mounting the door frame on the building side. Restrictions on installation work time and installation location are greatly reduced.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 to 3, components having the same functions as those shown in FIGS. 8 and 9 are designated by the same reference numerals.

Iron pieces 7 are welded to the outer periphery of the steel door frame 5 at a required pitch. A holding column 10 is fixed to the frame portions 5a on both sides so as to substantially extend from the floor 1 to the ceiling 2. The holding pillar 10 and the side frame portion 5a are fixed to each other by fixing the holding pillar 10 and the side frame portion 5a.
It is performed by welding the iron piece 7 provided on the. Further, the horizontal beam 11 is fixed to the upper frame portion 5b. The horizontal beam 11
Is welded to the iron piece 7 of the upper frame portion 5b and both ends of the horizontal beam 11 are welded to the holding column 10.
The holding column 10 and the horizontal beam 11 are fixed to the door frame 5 in advance at the factory.

The door frame 5 is installed by attaching the upper end of the holding column 10 to the ceiling 2 of the building with the upper end fixing tool 12 and the lower end of the holding column 10 to the floor 1 of the building with the lower end fixing tool 13. It is fixed with a tie.

On the lower surface of the lower frame portion 5c of the door frame 5, an embedding bolt 14 is planted at a required position, and the bolt 14 is filled in a fixing hole 15 dug in the floor 1 with mortar or the like. It is embedded and fixed by the material. Further, in the figure, 16 is a pivot for rotatably supporting the door 8, and 17 and 18 are sealing members.

Thus, the door frame 5 does not require welding work unlike the conventional method, and further does not require the wall body 3 having an opening, and the door frame 5 can be placed at an arbitrary position only by a fastening tool such as a bolt. It is possible to install the frame 5.

Next, fixing the upper and lower ends of the holding column 10 will be described with reference to FIGS. 4 and 5.

As described above, the upper end of the holding column 10 is fixed to the ceiling 2 via the upper end fixing tool 12, and the lower end of the holding column 10 is fixed via the lower end fixing tool 13.

The upper end fixing member 12 is a horizontal bending line.
L-shaped shape is formed by bending along the line, and the bent horizontal portion is fixed to the anchor plate 22 embedded in the ceiling 2 by the bolt 20, and the vertical portion is fixed by the bolt 21 to the holding column. It is designed to be fixed to the upper end of 10.

The through hole of the bolt 20 of the upper end fixing tool 12 is an elongated hole extending in the vertical direction with respect to the vertical portion of the upper end fixing tool 12, and the through hole of the bolt 21 extends in the horizontal direction. It has a long hole. Further, the through hole of the bolt 21 of the holding column 10 is an elongated hole extending in the vertical direction, and the upper end fixing position of the holding column 10 can be adjusted in two horizontal directions and a total of three vertical directions. There is.

The lower end fixing tool 13 has an L-shape, the bent horizontal portion is fixed by an anchor bolt 23 embedded in the floor 1, and the vertical portion is fixed by a bolt 24 in the holding column 10. It is designed to be fixed to the lower end of.

The anchor bolt 2 of the lower end fixture 13
The through hole 3 is an elongated hole extending in the vertical direction with respect to the vertical portion of the lower end fixture 13, and the through hole of the bolt 24 is a round hole sufficiently larger than the diameter of the bolt 24. The lower end fixing position of the holding column 10 can be adjusted in two horizontal directions and three vertical directions, like the upper end.

The upper end fixing tool 12 may be fixed to the ceiling 2 by omitting the anchor plate 22 and using an anchor bolt 23.

The door frame is attached to the bolts 20 and 2
The positions of the door frame 5 can be easily adjusted freely at the upper end and the lower end.

Next, another example of fixing the upper and lower ends of the holding column 10 will be described with reference to FIGS.

In this example, a plate 25 for fixing the holding column 10 is projected downward from the ceiling 2.

The upper end fixing member 12 is L-shaped having a vertical bending line, and the bolt 2 of the plate 25 is
The through hole of 0 is a long hole extending in the horizontal direction, the through hole of the bolt 21 of the upper end fixing tool 12 is a long hole extending in the horizontal direction, and the through hole of the bolt 21 of the holding column 10 is the vertical direction. It has a long hole that extends to. Thus, the upper end fixed position of the holding column 10 can be freely adjusted in the vertical and horizontal directions.

The fixing of the lower end of the holding column 10 is the same as that described above with reference to FIGS.

In the above embodiment, the horizontal beam 11
Is fixed to the upper frame portion 5b, but the horizontal beam 11 can be omitted if the upper frame portion 5b has strength.

[0029]

As described above, according to the present invention, the door frame can be mounted on site without welding work, and the mounting work can be easily performed with a simple tool such as a spanner, and adjustment and re-adjustment can be performed. It is easy to adjust, does not require a wall for mounting the door frame, greatly reduces the timing restrictions on the door mounting work, limits the installation location, and makes it easy to change the door frame mounting position. Shows excellent effects.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a view on arrow AA of FIG.

FIG. 3 is a view taken along the line BB of FIG.

FIG. 4 is a front view showing a fixing portion of the embodiment.

FIG. 5 is a side view showing a fixing portion of the embodiment.

FIG. 6 is a front view showing another fixing portion of the embodiment.

FIG. 7 is a side view showing another fixing portion of the embodiment.

FIG. 8 is a front view of a conventional example.

FIG. 9 is a view taken along the line CC of FIG.

[Explanation of symbols]

 1 Floor 2 Ceiling 5 Door frame 5a Side frame part 7 Iron piece 10 Holding column 12 Upper end fixing tool 13 Lower end fixing tool

Claims (4)

[Claims] 1. A door frame unit having a length that extends substantially from a floor to a ceiling, wherein upper and lower ends are fixed to the ceiling and holding columns that can be fixed to the floor are fixed to both side frame portions of the door frame. 2. A holding column is fixed to both side frame portions of the door frame so as to extend substantially from the floor to the ceiling, and a fixture formed in an L shape along a horizontal bending line is provided with a bolt at an end portion of the holding column. The L-shaped fixture can be fixed to the floor and ceiling via bolts, and the through hole of the bolt formed in the L-shaped fixture and the end of the holding column are formed. The through hole of the bolt is made a long hole, and the direction of the long hole of the through hole formed in the horizontal portion of the L-shaped fixture is perpendicular to the vertical portion of the L-shaped fixture. The vertical direction of the fixture or the through hole of the bolt formed at the end of the holding column is horizontal in either direction of the long hole and the other is orthogonal to the through hole. Door frame mounting structure. 3. A plate for fixing a holding pillar is projected from the ceiling, and holding pillars that extend substantially from the floor to the ceiling are fixed to both side frame portions of the door frame, and formed into an L shape along a vertical bending line. The formed fixture is fixed to the end of the holding column via a bolt, and the L
An L-shaped fixture can be fixed to the plate via a bolt, and a through hole of the bolt formed in the plate and a penetration of the bolt formed in a portion of the L-shaped fixture fixed to the plate. One of the holes is an elongated hole extending in the horizontal direction, the through hole of the bolt formed at the end of the holding column is an elongated hole, and the through hole of the connecting portion between the plate and the L-shaped fixture is formed. Is a long hole, and the long hole direction of one through hole of the L-shaped fixture and the connecting portion of the end portion of the holding column is horizontal, and the other is vertical, and a door frame mounting structure. 4. A holding pillar and a door frame, wherein two holding pillars each having a length extending substantially from the floor to the ceiling and having upper and lower ends fixed to the ceiling and the floor are previously fixed to both side frame portions of the door frame. Is integrated, and then the upper and lower ends of the holding column are fixed to the ceiling and floor, and a door frame mounting construction method.