JPH07317437A - Fitting method of metallic door frame - Google Patents

Abstract

PURPOSE:To readily and accurately fit a metallic door frame in a door opening formed on a wall body like a partition or the like even by an amateur and remarkably reduce the construction period. CONSTITUTION:This is a method to fit a metallic door frame 1 in an door opening 11 formed on a wall body 12 of a partition or the like. The main body 2 of the door frame 1 is formed as a unit in advance to form a U-shape directing downward in the front view. The U-shaped frame body 2 is inserted in the opening 11 from the front side and a front side-fitting plate 3 formed as a unit at the periphery of the U-shaped frame body 2 and used in common as a basic piece, is fixed on the wall body 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for attaching a metal door frame to a door opening formed in a wall body such as a lightweight steel frame partition in a reinforced concrete structure or a steel frame structure building.

[0002]

2. Description of the Related Art A door frame of this type is an upper frame attached to the upper side of the door opening by connecting the left and right side frame members attached to the left and right sides of the door opening to the upper ends of both side frame members. And a member. Therefore, conventionally, when attaching a metal door frame to a door opening, a long steel frame member is cut and processed at a factory to form a side frame member and an upper frame member each having a predetermined length dimension. Then, at the construction site, an expert who is called a sash installation craftsman uses tools such as a leveler, plumb bob, and wedge, along with the verticality and horizontality of the side frame member and the upper frame member with respect to the floor, and the side frame. While checking the parallelism between the members and the perpendicularity between the side frame member and the upper frame part, connect the end parts of the side frame member and the upper frame member to each other and attach these members to the door opening. , Each was done by welding.

[0003]

According to the conventional mounting method as described above, the perpendicularity and the levelness of the door frame can be improved,
Since high skill and abundant experience are required to perform welding, the work can not be done by an untrained person, and it is necessary to rely exclusively on a skilled worker, and even a skilled person takes a long time for construction. Therefore, the construction cost has risen.

In view of the above-mentioned circumstances, the present invention makes it possible for an amateur to easily and accurately attach a metal door frame to a door opening formed in a wall such as a partition and to greatly increase the construction period. The purpose is to provide a mounting method that can be shortened to.

[0005]

According to a first aspect of the present invention, there is provided a method of mounting a metal door frame 1 in a door opening 11 formed in a wall body 12 such as a partition. The main body 2 is integrally formed in a downward U-shape when viewed from the front,
The U-shaped frame main body 2 is inserted into the opening 11 from the front side thereof, and a front-side mounting piece 3 which is integrally formed around the U-shaped frame main body 2 and also serves as a reference piece is fixed to the wall body 12. It was done like this.

According to a second aspect of the present invention, a front side mounting piece 3 also serving as a reference piece is integrally formed around the front side of the U-shaped frame body 2.
A rear surface side mounting piece 4 which is rotatable back and forth at a proper longitudinal interval is pivotally attached to the periphery of the rear surface side of the frame main body 2, and the U-shaped frame main body 2 is inserted into the door opening 11 and then the reference piece. The front side mounting piece 3 which is also used is fixed to the wall body 12, and the rear side mounting piece 4 is made to stand upright, and the rear side mounting piece 4 is attached to the wall body 1.
It is fixed to No. 2.

According to a third aspect of the present invention, the U-shaped frame body 2 is provided.
Right angle ruler frames 22 and 23 for restricting the right angle between the upper frame member 1b and the left and right side frame members 1a are attached to the U-shaped frame body 2 in advance before being inserted into the door opening 11. The U-shaped frame body 2 is inserted into the door opening 11, the attachment pieces 3 and 4 are fixed to the wall body 12, and then the right angle ruler frames 22 and 23 are removed.

[0008]

According to the mounting method of the first aspect of the present invention, since the frame body 2 of the door frame 1 is integrally formed in advance in a downward C-shape when viewed from the front, the left and right side frame members 1a are parallel to each other, Each side frame member 1a is at a right angle to the upper frame member 1b. Then, the U-shaped frame body 2 is attached to the door opening 1
1, the front side mounting piece 3 also serving as a reference piece is fixed to the wall body 12, so that the U-shaped frame body 2 is positioned at a predetermined position in the front-rear direction with respect to the opening 11 for the door, and at the same time, on the floor. It is positioned perpendicular to the plane F, and is attached and fixed to the wall body 12 in this state.

According to the mounting method according to the second aspect, the U-shaped frame body 2 of the door frame 1 has the rotatable rear mounting piece 4 provided on the periphery of the rear surface thereof laid down, so that the frame body is closed. Two
It can be directly inserted into the door opening 11 from the rear surface side. Then, the U-shaped frame body 2 is positioned at a predetermined position in the front-rear direction with respect to the door opening 11 and on the floor surface F by the front-side mounting piece 3 also serving as a reference piece provided around the front side of the frame body 2. The front side of the frame body 2 is fixed to the wall body 12 in a state of being positioned vertically to the door body, and the door opening 11
After the frame body 2 is inserted into the frame body 2, the rear surface side attachment piece 4 is erected and fixed to the wall body 12, whereby the front surface side of the frame body 2 is fixed to the wall body 12. Therefore, the U-shaped frame main body 2 is securely and stably fixed to the door opening 11 while being positioned at a predetermined position.

According to the mounting method of the third aspect, the U-shaped frame body 2 is provided with the right-angled ruler frames 22 and 23 so that the parallelism between the side frame members 1a and the straightness between the side frame members 1a and 1b. The angle is reliably maintained. Therefore, the door opening 11
Even if the side frame member 1a of the U-shaped frame body 2 sways during the attachment work of the door frame 1 to the U-shaped frame body 2, the parallelism and squareness of the U-shaped frame body 2 are not disturbed.

[0011]

EXAMPLES Examples will be described with reference to the drawings.
FIG. 1 (A) is a front view of a metal door frame 1 according to the present invention as seen from the front side, and FIG. 1 (B) is a front view as seen from the rear side. It has a U-shaped frame main body 2 which is integrally formed in advance in a downwardly facing U-shaped frame shape composed of the side frame members 1a, 1a and the upper frame member 1b. A front-side mounting piece 3 which also serves as a single piece is integrally formed, and a plurality of rear-side mounting pieces 4 which can be rotated back and forth are pivotally mounted around the rear surface side at appropriate longitudinal intervals.

The structure of the door frame 1 will be described in more detail. The U-shaped frame body 2 of the door frame 1 has a transverse cross section of each frame member 1a, 1b formed by pressing a steel plate in a factory. Has a substantially outward U-shape as shown in FIGS. 5 and 6, and the entire frame body 2 is shown in FIG.
As shown in (B), it is formed in a downward U-shape when viewed from the front, and the front-side mounting piece 3 also serving as a reference piece is integrally formed over the entire front-side outer peripheral portion of the U-shaped frame body 2. ing.
In this door frame 1, both side frame members 1a are parallel to each other, and each side frame member 1a is arranged at a right angle to the upper frame member 1b. Further, on the inner peripheral surface of the U-shaped frame main body 2, an inwardly projecting ridge portion 5 is integrally formed at the center portion in the front-rear direction, and the door fitting portion 6 is formed on the front side of the ridge portion 5. Is formed.

As shown in FIGS. 5 and 6, the rear-side mounting piece 4 is pivotally attached to the U-shaped frame portion 7 integrally formed on the rear surface of the U-shaped frame body 2. Each rear surface side mounting piece 4 is rotatable around the pivot portion 8 and forms a hinge together with the pivot portion 8 and another pivot mounting piece 9, and the pivot mounting piece 9 is It is fixed to a reinforcing U-shaped member 10 fitted and fixed in the U-shaped frame portion 7. Then, each rear surface side mounting piece 4 is as shown in phantom lines in FIGS. 5 and 6.
It is rotatable between a lying position in which it is folded so as to come into contact with the outer peripheral surface of the U-shaped frame portion 7 and falls down, and an upright position as shown by the solid line in FIG. Has become.

The door opening 11 for mounting the door frame 1 is
As shown in FIGS. 3 to 6, vertical and horizontal channel steels 12
It is formed on a lightweight steel frame partition 12 (wall body) consisting of a and 12b. The vertical channel steel 12a is erected perpendicularly to the floor surface F, and the horizontal channel steel 12b.
Is provided parallel to the floor surface F and at a right angle to the vertical channel steel 12a. The height and width of the door opening 11 are slightly larger than the height and width of the U-shaped frame body 2 of the door frame 1, respectively.

Next, the method of mounting the above-mentioned door frame 1 will be described with reference to FIG.
Describing with reference to FIGS. 6A to 6C, first, each rear surface side mounting piece 4 pivotally mounted around the rear surface side of the U-shaped frame body 2 is brought to the laid position as shown by phantom lines in FIGS. 5 and 6. From the front side (for example, the left side in FIG. 6) of the U-shaped frame main body 2 in the opening 11 for the door from the front side (for example, the left side of FIG. 6) from the front side (for example, the left side in FIG. 6). Insert along face F. At this time, since each rear surface side mounting piece 4 is laid down to the lying position, the rear surface side of the U-shaped frame body 2 is inserted into the opening 11 with a necessary clearance, but the front surface side is located around it. The projecting front side mounting piece 3 also serving as each reference piece is the opening 1
It will hit the front of 1.

Then, the U-shaped frame body 2 is inserted into the door opening 11 from the front side along the floor surface F, and the reference piece / front side mounting piece 3 of the frame body 2 is shown in the drawing. The front surface of the partition 12 (vertical and horizontal channel steels 12a, 12
The door frame 1 is positioned at a predetermined position in the front-rear direction with respect to the door opening 11 and is positioned perpendicularly to the floor surface F by being brought into contact with the front surface b). Thereafter, the front-side mounting piece 3 also serving as the reference piece is fixed to the partition 12 with screws 13, and the rear-side mounting pieces 4 are attached as shown in FIG.
6 and the upright position shown by the phantom line in FIG. 6 so that it stands upright as shown by the solid line in FIG.
It is fixed by 4. In this case, the front-side mounting piece 3 also serving as the reference piece is provided with screw insertion holes for the screws 13 at required longitudinal intervals, and the rear-side mounting pieces 4 are provided with screw insertion holes for the screws 14, respectively. Further, the front and rear surfaces of the partition 12 are provided with screw holes at positions corresponding to the screw insertion holes of the front mounting piece 3 and the rear mounting piece 4, respectively.
All that is required is to screw in 3, 14 as they are.

After the door frame 1 is attached to the door opening 11 as described above, the cross-sectional view of FIG. 6 is shown at a position on the floor F facing the upper frame member 1b of the U-shaped frame body 2. The slide 15 as shown is attached, and the door 16 is attached to the door fitting portion 6 of the door frame 1 by the hinge 17 (see FIG. 3). In this case, the frame body 2 of the door frame 1 is formed in a U-shape in advance, and both side frame members 1a are parallel to each other and form a right angle with the upper frame member 1b. Frame 1
It can be mounted properly with a predetermined gap maintained between it and the inner peripheral surface.

As shown in FIG. 6, the sliding member 15 includes a sliding member main body 18 made of an aluminum extruded material having an uneven upper surface and a lower surface, and a stainless steel downward cover C-shaped cover 19 fitted to the sliding member main body 18. When mounting on the floor surface F, the main body of the sliding door 18 is applied to a predetermined position on the floor surface F by applying an adhesive on the lower surface side thereof, and the floor surface F is fixed by the concrete screw 20. After being fixed on the upper side, a U-shaped cover 19 may be fitted on the sliding body 18.

After the door frame 1 is attached to the door opening 11, decorative plates 21 are attached to the front and rear surfaces of the partition 12 as shown in FIGS. The front-side mounting piece 3 and the rear-side mounting piece 4, which also serve as the reference piece, are hidden by the decorative plate 21 so that the appearance is not spoiled.

In the mounting method of the above-described embodiment, the U-shaped frame body 2 is inserted into the door opening 11 from the front side, and the reference piece / front side mounting piece 3 of the frame body 2 is attached to the front surface of the partition 12. Since they are brought into contact with and fixed to each other, the front-side mounting piece 3 also serving as the reference piece positions the frame body 2 in the front-rear direction with respect to the door opening 11 and in the vertical direction of the frame body 2 with respect to the floor surface F. Positioning can be performed at the same time, and the front side mounting piece 3 can be used as a partition 12
Can be easily fixed to. Further, since the rear side attachment piece 4 can be laid down in advance so as to abut the rear side outer peripheral surface of the frame main body 2 prior to the insertion of the frame main body 2 into the door opening 11, the insertion of the frame main body 2 is performed. After that, the rear-side mounting piece 4 can be made to stand upright and fixed to the partition 12 as it is quickly and easily. Therefore, the door frame 1 can be attached easily, accurately and quickly.

In the embodiment described above, the U-shaped frame body 2
The front side mounting piece 3 also serving as a reference piece is integrally formed around the front side and the rotatable rear side mounting piece 4 is pivotally attached to the rear side periphery, but the rear side mounting piece 4 is omitted and the reference side mounting piece 4 is omitted. Only the mounting piece 3 which also serves as one side may be integrally formed at an appropriate position of the U-shaped frame body 2. In this case, the mounting piece 3 also used as the reference piece is the partition 12
It may be fixed not only to the front surface side but also to the rear surface side, or may be fixed to the inner peripheral surface of the partition 12. In any case, the mounting piece 3 that also serves as the reference piece enables the front-rear positioning of the frame body 2 with respect to the door opening 11 and the vertical positioning of the frame body 2 with respect to the floor surface F at the same time. is there.

Further, in the above embodiment, when mounting the door frame 1, the door frame 1 is inserted into the door opening 11 in the state shown in FIGS. 1 (A) and 1 (B). As shown in FIG. 2, the upper frame member 1b of the U-shaped frame body 2
For example, two types of right angle ruler frames 22 and 23 for restricting the right angle between the left and right side frame members 1a are attached to the U-shaped frame body 2 with screws before being inserted into the door opening 11. The U-shaped frame body 2 is inserted into the opening 11 for the door, and the front side mounting piece 3 and the rear side mounting piece 4 also serving as the reference piece, or only the front side mounting piece 3 also serving as the reference piece is fixed to the partition 12. After that, the right angle ruler frames 22 and 23 may be removed.

Of course, since the frame body 2 of the door frame 1 is integrally formed in advance in a downward U-shaped frame in a front view, which is composed of the left and right side frame members 1a, 1a and the upper frame member 1b, both sides of the frame body 2 will be described. The frame members 1a are parallel to each other and the side frame members 1a are at right angles to the upper frame member 1b, and there is no problem if the frame members 1a are attached to the door opening 11 as they are. It is also conceivable that the side frame member 1a of the U-shaped frame main body 2 sways during the work of attaching the door frame 1 to the 11, so that the parallelism and squareness of the U-shaped frame main body 2 are slightly deviated. . Therefore, in such a case, the right-angled ruler frames 22 and 23 for restricting the right angle between the upper frame member 1b of the U-shaped frame body 2 and the left and right side frame members 1a should be attached to the U-shaped frame body 2. Thus, the deviation of the parallelism and the perpendicularity as described above can be prevented, and the frame body 2 can be held in a regular U-shape. In addition, the above two right-angled ruler frames 22 and 23
May use any one.

[0024]

According to the mounting method of the first aspect of the present invention, the frame main body integrally formed in advance in the downwardly facing U-shape when viewed from the front is inserted into the door opening, and the front side mounting piece that also serves as the reference piece is inserted. Since the door frame can be accurately attached to the predetermined position of the door opening simply by fixing the to the wall, anyone can easily and easily perform the attachment work without relying on a skilled person as in the past. Therefore, the construction period can be significantly shortened, and the performance of the door frame can be sufficiently maintained.

According to the mounting method of the second aspect, the U-shaped frame body can be easily inserted into the opening for the door as it is from the rear surface side of the frame body, and also serves as a reference piece around the front side of the frame body. The front side mounting piece and the rear side mounting pieces around the rear side of the frame body allow the frame body to be quickly and stably attached to the door opening, further simplifying the door frame mounting work. it can.

According to the mounting method of claim 3,
Even if the side frame member of the U-shaped frame body sways during the installation work of the door frame to the door opening, the parallelism and squareness of the U-shaped frame body will not be disturbed. The door frame can be attached more accurately to the opening.

[Brief description of drawings]

FIG. 1A is a front view of a door frame according to the present invention viewed from a front side, and FIG. 1B is a front view of the door frame viewed from a rear side.

FIG. 2 is a front view of a door frame to which a right-angle ruler frame is attached, viewed from the front side.

FIG. 3 is a front view of the door frame attached to the door opening as viewed from the front side.

FIG. 4 is a front view of the door frame attached to the door opening as viewed from the rear surface side.

5 is an enlarged cross-sectional view taken along the line AA of FIG.

6 is an enlarged cross-sectional view taken along line BB of FIG.

[Explanation of reference numerals] 1 door frame 1a side frame member 1b upper frame member 2 U-shaped frame body 3 mounting piece that also serves as a reference piece 4 rear side mounting piece 11 door opening 12 partition (wall) 13 screw 14 screw 15 Takeshiri 22 Right angle ruler frame 23 Right angle ruler frame

Claims (3)

[Claims] 1. A method for mounting a metal door frame to a door opening formed in a wall body such as a partition, wherein the main body of the door frame is preliminarily integrally formed in a downward U shape when viewed from the front.
A metal door frame in which this U-shaped frame main body is inserted into the opening from the front side thereof, and a mounting piece also serving as a reference piece integrally formed around the U-shaped frame main body is fixed to the wall body. How to install. 2. A U-shaped frame main body is integrally formed with a front-side mounting piece that also serves as a reference piece, and a rear side of the frame main body is rotatable back and forth at appropriate intervals in the longitudinal direction thereof. After pivotally attaching the mounting piece and inserting the U-shaped frame body into the door opening,
The metal door according to claim 1, wherein the front-side mounting piece that also serves as a reference piece is fixed to the wall body, the rear-side mounting piece is upright, and the rear-side mounting piece is fixed to the wall body. How to install the frame. 3. A right-angled ruler frame for restricting a right angle between the upper frame portion of the U-shaped frame body and each of the left and right side frame portions is preliminarily attached to the U-shaped frame body before being inserted into the door opening. The metal according to claim 1 or 2, wherein the U-shaped frame body is attached, the U-shaped frame body is inserted into the door opening, the attachment piece is fixed to the wall body, and then the right angle ruler frame is removed. How to install the door frame.