JP3133022B2 - How to assemble the opening frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a door frame, a sliding door frame,
This is a technique relating to a method of assembling a vertical frame and a horizontal frame of an opening frame such as a window frame.

[0002]

2. Description of the Related Art Opening frames 10 such as door frames, sliding door frames, and window frames.
Is composed of a vertical frame 11 and a horizontal frame 12, and the vertical frame 11 and the horizontal frame 12 are directed from the outer surface of the vertical frame 11 (to the side of the vertical frame) to the edge of the horizontal frame 12, as shown in FIG. The fixing screw 4 is driven in and assembled as an opening frame 10. In some cases, it is not a vertical win or a horizontal win, but may be assembled so as to have a fastening shape.

[0003]

When the fixing screw 4 in the middle of assembling the vertical frame 11 and the horizontal frame 12 is driven, the vertical frame 11
It is necessary to drive the fixing screw 4 while pressing both frames, so it is difficult to make a right angle and the position is easily shifted. Can not be opened, the opening frame 10
It took time to assemble.

[0004] Further, when assembling the vertical frame 11 and the horizontal frame 12, the fixing screw 4 is driven into the edge of either the vertical frame 11 or the horizontal frame 12, and cracks are generated on the edge of the edge. In some cases, the appearance may be unsightly, or the strength of the frame may be lost, and the opening frame 10 may not be used. In order to prevent cracking, a guide hole (pilot hole) may be drilled in advance, but drilling the guide hole is not a simple operation and causes an increase in manufacturing cost. I was

In order to solve the above problems, the present inventor has proposed:
"An assembly metal fitting having an L-shaped cross-section, a fixing piece provided with a fixing screw hole, and a component piece provided with a long notch into which a tightening screw is inserted from an end, is attached to a vertical frame and a horizontal frame. A fixing screw is screwed into a fixing screw hole of an assembling bracket, and the assembling bracket is fixed in a groove of one of the vertical frame and the horizontal frame 6 having a groove in a portion exposed to the outside of the outer surface and the outside of the wood edge. , Temporarily attach the fastening screw in the groove of the other frame, insert a long notch into the temporarily attached fastening screw, tighten the fastening screw, and fix the mounting bracket in the groove on both the outer surface of the vertical frame and the horizontal frame. A method of assembling an opening frame for assembling a vertical frame and a horizontal frame. "

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG. 1 shows an embodiment of an assembly fitting 1 used in the method for assembling an opening frame according to the present invention. Assembling bracket 1
A component piece 2 having an L-shaped cross-section and having a fixing screw hole 3 into which a fixing screw 4 is screwed, and a long notch 6 into which a tightening screw 7 is inserted toward its end. Composed of the constituent pieces 5.

FIG. 2 shows a component 2 of the assembly 1.
An assembly fitting 1 ′ is a component piece 2 ′ having a long notch 6 ′ drilled toward the end as a fixing screw hole 3 formed in the hole.

[0008] As shown in FIGS.
The rib 1 'may be reinforced by providing an optional rib 9 in order to give strength to the metal fittings 1 and 1' themselves.

The ribs 9 are formed so that the components 2, 5 of the metal fittings 1, 1 ′, or the components 2 ′, 5 ′, or the components 2 ′, 5 ′, are convex outward from the ends thereof. 5 are provided in the direction in which the long cutouts 6 and 6 'are formed, and at positions where they do not overlap with the fixing screw holes 3 and the long cutouts 6 and 6' provided in the constituent pieces 2, 2 'and 5. The ribs 9 may be provided continuously from the end portions of the constituent pieces 2, 2 ', 5 to the end portions, or may be provided partially at the corners 8 of the assembly fittings 1, 1'. The ribs 9 may be provided so that the components 2 and 5 of the metal fittings 1 and 1 ′ or the components 2 ′ and 5 ′ are convex inward from the ends to the ends. Also in this case, it is needless to say that the position and the length of the rib 9 shown in FIGS.

Further, as shown in FIG.
The ribs 9 having a triangular cross section may be provided on the corners 8 across the entire length in the width direction of the corners 8 where the constituent pieces 2, 2 ′, 5 of the 1 ′ L-shaped inner surface are orthogonal to each other.

The metal fittings 1, 1 'provided with the ribs 9
Of these, the ribs 9 provided outside the assembling brackets 1 and 1 ′ are used from the outside of the opening frame 10 when assembling the opening frame 10, and the ribs 9 are provided inside the assembling brackets 1 and 1 ′. In the case where the opening frame 9 is provided, it is desirable to use the opening frame 10 from the inside when assembling the opening frame 10.

When ribs 9 having a triangular cross section are provided over the entire width of the corners 8 of the metal fittings 1 and 1 ', the vertical frame 11 or the horizontal frame 12 contacting the corners 8 is adjusted to the shape of the ribs 9. When chamfering is performed and the ribs 9 are provided in pieces, the ribs 9 are attached to the vertical frame 11 or the horizontal
A notch into which the rib 9 is fitted is formed in accordance with the position and the shape thereof to fix the assembly fitting 1.

The metal fittings 1 and 1 'are made of various metal fittings such as aluminum, stainless steel and steel, and various synthetic resins such as hard vinyl chloride resin and ABS resin, and are integrally obtained by bending, extrusion or injection molding. Can be Alternatively, after each of the component pieces 2, 2 ', 5 is separately obtained by the above-described method, the component pieces 2, 2', 5 can be joined so as to be orthogonal to each other.

FIGS. 6A and 6B show the assembling of the opening frame 10 using the assembling metal fitting 1, which has a simplified structure of the assembling method of the present invention. The vertical frame 11 and the horizontal frame 1
A method of assembling the case where a groove is provided in a portion exposed to the outside of the outer surface and the outside of the kerf surface will be described later. The opening frame 10 is a three-sided frame including a vertical frame 11 and a horizontal frame 12, and a vertical frame 11 and a horizontal frame 1.
2. It is composed of a four-sided frame composed of a lower horizontal frame (not shown).

For assembling the vertical frame 11 and the horizontal frame 12, for example, the outer surface of the vertical frame 11 and the inner surface of the component piece 2 having the fixing screw hole 3 of the mounting bracket 1 are brought into contact with each other.
The fixing screw 4 is screwed into the fixing screw hole 3 of the component piece 2 so that the inside of the corner 8 of the
The metal fitting 11 is fixed to the vertical frame 11.

On the other hand, a fastening screw 7 is temporarily attached to a predetermined position on the outer surface of the horizontal frame 12 so that the long cutout 6 provided on the component piece 5 of the metal fitting 1 is fitted. Horizontal frame 12
The long notch 6 of the component piece 5 of the assembly fitting 1 fixed to the vertical frame 11 is fitted into the fastening screw 7 temporarily attached to
The edge of the horizontal frame 12 is brought into contact with the inner surface of the vertical frame 11 so that the horizontal frame 1
The fixing screw 7 temporarily attached to 2 is screwed in and fixed.
Although not shown, as a side-by-side assembly method, the following method can be used.

The outer surface of the vertical frame 11 and the inner surface of the component piece 2 having the fixing screw holes 3 of the mounting bracket 1 are in contact with each other. Frame 12
The fixing screw 4 is screwed into the fixing screw hole 3 of the component piece 2 so as to be located on the upper side by the thickness of the component piece 2, and the metal fitting 1 is fixed to the vertical frame 11. On the other hand, at a predetermined position on the outer surface of the horizontal frame 12,
A fastening screw 7 is temporarily attached so that the long notch 6 provided in the component piece 5 of the assembly fitting 1 is fitted. Alternatively, the edge of the vertical frame 11 is brought into contact with the inner surface of the horizontal frame 12,
The fastening screw 7 temporarily attached to the horizontal frame 12 is screwed in and fixed.

In this manner, the positioning and positioning of the vertical frame 11 and the horizontal frame 12 can be performed only by inserting the fastening screw 7 temporarily attached to the horizontal frame 12 into the long notch 6 of the mounting bracket 1 fixed to the vertical frame 11. Since the temporary fixing can be performed, the vertical frame 11 and the horizontal frame 12 can be easily assembled. Assembly bracket 1
Has been described to the vertical frame 11, but also when the assembling fitting 1 is fixed to the horizontal frame 12 with the fixing screw 4, the fastening screw 7 is temporarily attached to the vertical frame 11, and the component piece 5 is attached to the fastening screw 7. The long notch 6 is fitted, and the fastening screw 7 is screwed and fixed in the same manner.

When the opening frame 10 is formed of a four-sided frame, the vertical frame 11 and the horizontal frame are assembled in the same manner as described above. The vertical frame 11 and the horizontal frame 12 and the vertical frame 11 and the lower horizontal frame form an inclined surface at an angle of 90 degrees by combining the respective wooden ends thereof, and are fixed to the fastening shape using the assembling bracket 1. Is also good.

FIGS. 7A and 7B show a case where the opening frame 10 is assembled by using the assembling fitting 1 ', which has a simplified structure of the assembling method of the present invention. In addition, an assembling method in the case where grooves are provided in portions exposed to the outside of the vertical frame and the horizontal frame and to the outside of the cut edge will be described later. The long cutouts 6, 6 provided on the constituent pieces 2 ', 5 of the assembly fitting 1'
Either one of 6 ′ may be used as a substitute for the fixing screw hole 3 provided in the component piece 2 of the assembly fitting 1.

Since the assembly metal fittings 1 'are provided with the long cutouts 6 and 6' on the constituent pieces 2 'and 5, respectively, the fastening screws 7 are temporarily attached to predetermined positions on the outer surfaces of the vertical frame 11 and the horizontal frame 12, respectively. The long cutouts of the constituent pieces 2 'and 5 are fitted into the tightening screw 7, and the tightening screw 7 is screwed and fixed.

The screwing of the fastening screw 7 into the assembling fitting 1 'may be performed by simultaneously fastening both the fastening screws 7 temporarily attached to the vertical frame 11 and the horizontal frame 12, or by screwing only one of the fastening screws 7. Assembling bracket 1 'on any frame
After the fixing, the long notch 6 may be fitted into the other tightening screw 7, and the other tightening screw 7 may be screwed in to fix the mounting bracket 1 '.

FIGS. 8A and 8B show an example in which the assembling fitting 1 is used.
A case where another opening frame is assembled by applying the method described in paragraph [0014] will be described. The inner surface of the vertical frame 11 and the outer surface of the component piece 2 of the metal fitting 1 are in contact with each other, and the outer corner 8 of the metal fitting 1 is lower than the corner of the opening of the vertical frame 11 by the thickness of the horizontal frame. The fixing screw 4 is screwed into the fixing screw hole 3 of the component piece 2 so as to be positioned at.

On the other hand, a fastening screw 7 is temporarily attached to a predetermined position on the inner surface of the horizontal frame 12 so that the long cutout 6 provided on the component piece 5 of the metal fitting 1 is fitted. Horizontal frame 12
The long notch 6 of the metal fitting 1 fixed to the vertical frame 11 is fitted into the fastening screw 7 temporarily attached to the vertical frame 11.
After the opening of the horizontal frame 12 is brought into contact with the inner surface of the horizontal frame 12, the fastening screw 7 temporarily attached to the horizontal frame 12 is screwed and fixed, and the opening frame 10 is assembled. Although not shown, assembling in a horizontal manner may be performed by the following method.

The inner surface of the vertical frame 11 is brought into contact with the outer surface of the component piece 2 having the fixing screw hole 3 of the mounting bracket 1 formed therein. A fixing screw 4 is screwed into the fixing screw hole 3 of the component piece 2 so as to be at the same height as the corner portion. On the other hand, the fastening screw 7 is temporarily attached so that the long cutout 6 provided on the component piece 5 of the assembly fitting 1 is fitted into a predetermined position on the inner surface of the horizontal frame 12. The long notch 6 of the mounting bracket 1 fixed to the vertical frame 11 is fitted into the fastening screw 7 temporarily attached to the horizontal frame 12, and the opening of the vertical frame 11 is brought into contact with the inner surface of the horizontal frame 12,
The fastening screw 7 temporarily attached to the horizontal frame 12 is screwed and fixed, and the opening frame 10 is assembled.

Although the case where the metal fitting 1 is fixed to the vertical frame 11 has been described, also when the metal fitting 1 is fixed to the horizontal frame 12, the fastening screw 7 is temporarily attached to the vertical frame 11, and the length of the component piece 5 is long. The notch 6 is fitted into the tightening screw 7 and fixed by screwing the tightening screw 7, which is performed in the same manner as described above. Also, when the opening frame 10 is formed of a four-sided frame, the vertical frame 11 and the lower horizontal frame are configured in the same manner as described above. In the vertical frame 11, the horizontal frame 12, and the lower horizontal frame, an inclined surface is formed at an angle of 90 degrees by combining the respective wooden ends thereof, and fixed to the fastening shape using the assembling bracket 1. good.

FIGS. 9a and 9b show a case where another assembling frame is assembled using the metal fitting 1 'by applying the method described in the paragraph [0020]. Either one of the long cutouts 6 and 6 ′ provided on the component pieces 2 ′ and 5 of the assembly fitting 1 ′ may be used as a substitute for the fixing screw hole 3 provided on the component piece 2 of the assembly fitting 1. Further, since the assembly bracket 1 'is provided with the long cutouts 6 and 6' in the component pieces 2 'and 5, the fastening screws 7 are screwed into predetermined positions on the inner surfaces of the vertical frame 11 and the horizontal frame 12, respectively.

The screwing of the fastening screw 7 into the assembling metal fitting 1 'may be performed by simultaneously tightening the two fastening screws 7 temporarily attached to the vertical frame 11 and the horizontal frame 12, or by screwing only one of the fastening screws 7. Assembling bracket 1 'on any frame
After fixing, the long notch 6 may be fitted into the other tightening screw 7, and the other tightening screw 7 may be screwed in to fix the mounting bracket 1 '.

FIGS. 10 to 13 show a case where another assembling is performed by using the assembling fittings 1 and 1 'and further providing a groove 13 in the outer surface or the inner surface of the vertical frame 11 and the horizontal frame 12 of the opening 10 in the longitudinal direction thereof. Is shown. Vertical frame 11 or horizontal frame 12
When the groove 13 is provided on the outer surface of the vertical frame 11 or the horizontal frame 12, the groove 13 is provided in the opening portion exposed to the outside of the vertical frame 11 or the horizontal frame 12 similarly to the groove 13 provided on the outer surface of the vertical frame 11 and the horizontal frame 12. .

FIGS. 10A and 10B show a case where the assembling is performed by using the assembling fitting 1. When the groove 13 is provided on the outer surfaces of the vertical frame 11 and the horizontal frame 12 in the longitudinal direction thereof, the outer surface of the groove 13 of the vertical frame 11 and the inner surface of the assembly fitting 1 are
The inside of the corner 8 of the metal fitting 1 is in close contact with the groove 13 provided at the opening of the vertical frame 11 and the groove 13 on the outer surface of the vertical frame 11. The fixing screw 4 is screwed into the fixing screw hole 3 of the component piece 2, and the mounting bracket 1 is fixed to the vertical frame 11.

On the other hand, a fastening screw 7 is temporarily attached so that the long cutout 6 provided on the component piece 5 of the metal fitting 1 is fitted into a predetermined position in the groove 13 on the outer surface of the horizontal frame 12.
The long notch 6 of the fitting 1 fixed to the groove 13 of the vertical frame 11 is fitted into the fastening screw 7 temporarily attached to the groove 13 of the horizontal frame 12, and , And the fastening screw 7 temporarily attached to the groove 13 of the horizontal frame 12 is screwed in and fixed.

Although not shown, as a side-by-side assembly method, the following method can be used. The outer surface of the groove 13 of the vertical frame 11 and the inner surface of the assembly fitting 1 are abutted in the groove 13, and the inside of the corner 8 of the assembly fitting 1 is the vertical frame 1.
The mounting bracket 1 is fixed to the vertical frame 11 so as to be located above the corner of one of the wooden ends by the thickness from the inner surface of the horizontal frame 12 to the bottom of the groove 13. On the other hand, a fastening screw 7 is temporarily attached so that the long cutout 6 provided in the component piece 5 of the metal fitting 1 is fitted into a predetermined position in the groove 13 on the outer surface of the horizontal frame 12.

The long notch 6 of the metal fitting 1 fixed to the groove 13 of the vertical frame 11 is fitted into the fastening screw 7 temporarily attached to the groove 13 of the horizontal frame 12, and the vertical frame 11 is inserted into the inner surface of the horizontal frame 12.
At the corner of the assembly bracket 1 and the corner formed by the groove 13 formed on the outer edge of the horizontal frame 12 and the groove 13 formed on the outer surface of the horizontal frame 12 so that the inside of the corner of the mounting bracket 1 is exposed to the outside. The fastening screw 7 temporarily attached to the groove 13 of the horizontal frame 12
And fix it. Thus, the groove 13 is provided, and the groove 1 is provided.
3 by fixing the assembling metal fitting 1 in the vertical frame 1.
1 and the horizontal frame 12 can be easily positioned in the width direction, and the outer surface of the assembly fitting 1 is
It does not protrude from the outer surface of the frame, and can be easily attached when the assembled opening frame 10 is attached to the frame.

Although the case where the metal fitting 1 is fixed to the groove 13 of the vertical frame 11 has been described above, also when the metal fitting 1 is fixed to the groove 13 of the horizontal frame 12, the fastening screw 7 is temporarily attached to the vertical frame 11. Attached, long notch 6 of component piece 5
Is fitted into the tightening screw 7 and is fixed by screwing the tightening screw 7, which is performed in the same manner as described above. Also, when the opening frame 10 is formed of a four-sided frame, the vertical frame 11 and the lower horizontal frame are configured in the same manner as described above.

In the vertical frame 11, the horizontal frame 12, and the lower horizontal frame, an inclined surface is formed at an angle of 90 degrees by combining the respective wooden ends thereof, and is fixed in a fastening shape by using the assembling bracket 1. You may.

FIGS. 11a and 11b show the assembly fitting 1 'of FIG.
The case where the assembling of the opening frame 10 is performed by using FIG. Either one of the long cutouts 6 and 6 'provided in the component pieces 2' and 5 of the assembly fitting 1 'may be used as a substitute for the fixing screw hole 3 provided in the component piece 2 of the assembly fitting 1.

The assembly fitting 1 'is made up of the constituent pieces 2', 5
Are provided with long cutouts 6 and 6 ', respectively, so that fastening screws 7 are temporarily attached to predetermined positions in the grooves 13 on the outer surfaces of the vertical frame 11 and the horizontal frame 12, respectively.
The long cutouts 6 and 6 'are fitted in and the fastening screw 7 is screwed in and fixed.

The screwing of the tightening screw 7 into the assembling fitting 1 may be performed by simultaneously tightening both the tightening screws 7 temporarily attached to the vertical frame 11 and the horizontal frame 12 or by screwing only one of the tightening screws 7. After fixing the metal fitting 1 'to the frame, the other fastening screw 7 has a long notch 6
And the other fastening screw 7 may be screwed in to fix the mounting bracket 1 ′.

FIGS. 12A and 12B show another assembling method to which the assembling method of the present invention is applied.
The assembly of the opening frame 10 in the case where the groove 13 is provided on the inner surface of the opening frame will be described. Grooves 13 are provided on the inner surfaces of the vertical frame 11 and the horizontal frame 12 over the longitudinal direction.

The outer surface of the component piece 2 of the metal fitting 1 is brought into contact with the groove 13 of the vertical frame 11, and the corner 8 of the metal fitting 1 is
The fixing screw 4 is screwed into the fixing screw hole 3 of the component piece 2 so that the outside is located below the corner of the opening of the vertical frame 11.
The metal fitting 1 is fixed in the groove 13 of the vertical frame 11.

On the other hand, a groove 13 provided on the inner surface of the horizontal frame 12
A fastening screw 7 is temporarily attached so that the long cutout 6 provided in the component piece 5 of the assembly fitting 1 is fitted into a predetermined position in the inside.

The long notch 6 of the metal fitting 1 fixed in the groove 13 of the vertical frame 11 is fitted into the fastening screw 7 temporarily fixed in the groove 13 of the horizontal frame 12, and After the opening of the frame 12 is abutted, the fastening screw 7 temporarily attached to the vertical frame 11 is screwed and fixed, and the opening frame 10 is assembled. Although not shown, as a side-by-side assembly method, the following method can be used.

The outer surface of the component piece 2 in which the fixing screw hole 3 of the metal fitting 1 is drilled is fitted in the groove 13 of the vertical frame 11, and the outside of the corner 8 of the metal fitting 1 is the tip of the vertical frame 11. The fixing screw 4 is screwed into the fixing screw hole 3 of the component piece 2 so as to have the same height as the corner of the part, and the metal fitting 1 is fixed in the groove 13 of the vertical frame 11.

On the other hand, a groove 13 provided on the inner surface of the horizontal frame 12
A fastening screw 7 is temporarily attached so that a long cutout 6 provided in the component piece 5 of the assembly fitting 1 is fitted into a predetermined position in the inside. The long notch 6 of the metal fitting 1 fixed in the groove 13 of the vertical frame 11 is fitted into the tightening screw 7 temporarily fixed in the groove 13 of the horizontal frame 12, and the wood opening of the vertical frame 11 and the horizontal frame 12 are inserted. And the fastening screw 7 temporarily attached to the vertical frame 11 is screwed and fixed, and the opening frame 10 is assembled.

The case where the assembling metal fitting 1 is fixed to the vertical frame 11 first has been described. However, also when the assembling metal fitting 1 is fixed to the horizontal frame 12, the fastening screw 7 is temporarily attached to the vertical frame 11, and the component piece 5 Tighten the long notch 6 with the screw 7
And fixed by screwing the tightening screw 7 in the same manner as described above.

When the opening frame 10 is formed of a four-sided frame, the vertical frame 11 and the lower horizontal frame are formed in the same manner as described above. In the vertical frame 11, the horizontal frame 12, and the lower horizontal frame, an inclined surface is formed at an angle of 90 degrees by combining the respective wooden ends thereof, and fixed to the fastening shape using the assembling bracket 1. good.

FIGS. 13A and 13B show a case where the opening frame 10 is assembled by using the assembly fitting 1 '. Either one of the long cutouts 6 and 6 ′ provided on the component pieces 2 ′ and 5 of the assembly fitting 1 ′ may be used as a substitute for the fixing screw hole 3 provided on the component piece 2 of the assembly fitting 1.

Also, the assembly fitting 1 'is composed of the constituent pieces 2', 5
Are provided with long notches 6 and 6 ', respectively, so that fastening screws 7 are temporarily attached to predetermined positions on the inner surfaces of the vertical frame 11 and the horizontal frame 12, respectively. 6, 6 'are fitted, and the fastening screw 7 is screwed in and fixed.

The screwing of the tightening screw 7 into the assembling metal fitting 1 'may be performed by simultaneously tightening the two tightening screws 7 temporarily attached to the vertical frame 11 and the horizontal frame 12, or by screwing only one of the tightening screws 7. Assembling bracket 1 'on any frame
After fixing, the long notch 6 may be fitted into the other tightening screw 7, and the other tightening screw 7 may be screwed in to fix the mounting bracket 1 '.

While the description has been given of the case where the groove 13 is provided over the entire length of the vertical frame 11 and the horizontal frame 12 in the longitudinal direction, the groove 13 may be provided at least where the mounting bracket 1 is fixed. The depth of the groove 13 provided on the outer surface or the inner surface of the vertical frame 11 and the horizontal frame 12 is formed so that the heads of the fixing screw 4 and the tightening screw 7 do not protrude.

This is so that the heads of the fixing screw 4 and the tightening screw 7 do not project from the frames 11 and 12 when the metal fitting 1 is fixed to the vertical frame 11 and the horizontal frame 12 provided with the grooves 13. Specifically, the depth of the groove 13 is made larger than the thickness obtained by adding the thickness of the head of the fixing screw 4 and the tightening screw 7 to the thickness of the assembly fitting 1.

Thus, the positioning of the frames 11 and 12 in the width direction can be easily performed, and the fixing screw 4 and the tightening screw 7 do not protrude from the outer surfaces of the frames 11 and 12, and the assembled opening frame 10 is attached to the frame. At this time, it can be easily attached.

Although various embodiments relating to an opening frame such as a door frame and a sliding door frame have been described above, the present invention can be applied to any one that joins and fixes two members at a right angle. It can also be applied to the joining of the side plate and the top plate.

[0054]

According to the above construction, the vertical and horizontal frames can be positioned easily and accurately by inserting the long cutouts of the metal fittings into the tightening screws and fitting them together. Time can be shortened.

Further, since the vertical frame and the horizontal frame are assembled without driving the fixing screws into the open ends, the frame is not broken, the opening frame can be assembled with good appearance, and the strength of the frame can be maintained.

Since the vertical and horizontal frames are provided with grooves and the metal fittings are fixed in the grooves, it is easy to specify the fixing positions of the metal fittings, and the vertical and horizontal frames are assembled without shifting in the width direction. be able to.

When the metal fittings are fixed in the grooves provided on the outer surfaces of the vertical and horizontal frames, the metal fittings do not protrude from the outer surfaces of the assembled opening frames.
It is easy to construct when the opening frame is constructed on the frame.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment of an assembly fitting;

FIG. 2 is a perspective view showing a case where long cutouts are provided on both constituent pieces of an assembly fitting;

FIG. 3 is a perspective view when a rib is provided on the metal fitting of FIG. 1;

FIG. 4 is a perspective view when a rib is provided on the metal fitting of FIG. 2;

FIG. 5 is a perspective view when a rib is provided on an inner surface of a corner of the metal fitting of FIG. 4;

FIGS. 6A and 6B are perspective views showing a state in which an assembly bracket is fixed to outer surfaces of a vertical frame and a horizontal frame.

FIGS. 7A and 7B are perspective views showing a state in which the metal fittings are fixed to the outer surfaces of the vertical frame and the horizontal frame using the metal fittings of FIG. 2;

FIGS. 8A and 8B are perspective views showing a state in which an assembly fitting is fixed to the inner surfaces of a vertical frame and a horizontal frame;

9 (a) and 9 (b) are perspective views showing a state where the metal fittings are fixed to the inner surfaces of the vertical frame and the horizontal frame using the metal fittings of FIG. 2;

FIGS. 10A and 10B are perspective views showing a state in which grooves are provided on outer surfaces of a vertical frame and a horizontal frame to fix an assembly bracket.

11 (a) and (b) are perspective views showing a state in which grooves are provided on the outer surfaces of the vertical frame and the horizontal frame using the metal fittings of FIG. 2 to fix the metal fittings;

FIGS. 12A and 12B are perspective views showing a state in which grooves are provided in the inner surfaces of the vertical frame and the horizontal frame to fix the assembly fitting;

13A and 13B are perspective views showing a state in which grooves are provided on the inner surfaces of the vertical frame and the horizontal frame using the metal fittings of FIG. 2 to fix the metal fittings;

FIG. 14 is a perspective view of a prior art,

[Explanation of symbols]

1: Assembly metal fittings, 2: Component piece with fixed screw hole drilled, 2 ': Component piece with long notch drilled instead of fixed screw hole, 3: Fixed screw hole, 4: Fixed screw, 5 : Component piece with long notch, 6: long notch, 6 ′: long notch in component piece instead of fixing screw hole, 7:
Tightening screw, 8: corner, 9: rib, 10: open frame, 1
1: vertical frame, 12: horizontal frame, 13: groove.

Claims (2)

(57) [Claims] An assembly metal fitting having an L-shaped cross-section and a component piece provided with a fixing screw hole and a component piece provided with a long notch into which a fastening screw is inserted from an end thereof is provided. A fixing screw is screwed into a fixing screw hole of an assembling screw in a groove of one of a vertical frame and a horizontal frame having a groove in a portion exposed to the outside of the frame and the horizontal frame and the outside of the lip surface. And fasten the tightening screw in the groove of the other frame, insert a long notch into the temporarily tightened screw, tighten the tightening screw and install the assembly bracket in the groove on both the outer surface of the vertical frame and the horizontal frame. How to assemble an opening frame that assembles a vertical frame and a horizontal frame by fixing it to the frame. 2. A component piece having an L-shaped cross section and a long notch into which a fixing screw is inserted from an end,
2. The assembling method according to claim 1, wherein an assembling tool comprising a component having a long cutout into which a tightening screw is inserted from an end is used.