JPH1037611A - Steel-made door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a frame material constitution, reduce the number of parts and facilitate assembling by integrally providing a decorative edge part providing a recess part on a frame constituting a door, and fitting the bent end face of a steel-made surface plate. SOLUTION: A metal-made frame 3 integrally protrudes a decorative edge part 2 from both the ends of the center piece 1a of a cross section C-shaped aggregate part 1 and provides a recess part 5. The frame 3 is rectangularly frame-assembled to assemble a door frame 12. The cut end 4a of a bent steel plate-made surface plate 4 is fitted to both the sides of the door frame 12 to be stuck to the aggregate part 1 and a steel-made door 13 is constituted. A lock attaching frame 7 incorporating a lock device along the inner face of the aggregate part 1 is fitted to be fixed on the frame 3. In addition, a closure device attaching device is fitted along the inner face of the aggregate part 1 to be fixed on the frame 3, and a closure device fixing part may be thick. Thereby constitution of the frame is simplified, and assembling working can be simply and easily performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel door in which a steel plate is attached to a frame having an aggregate portion and a decorative frame portion.

[0002]

2. Description of the Related Art In a conventional steel door, as shown in FIG. 7, an end portion of a surface plate 3 'made of a steel plate is provided on the outer surfaces of both side pieces of a metal aggregate 1' having a U-shaped cross section. Then, a metal decorative edge 2 ′, generally called an edge material, is attached to the aggregate 1 ′ with a screw, and the exposed portion of the aggregate 1 ′ is hidden by the decorative edge 2 ′ and a steel plate is formed. The steel door was constructed by covering the cut end of the face plate 3 'with the covering piece of the decorative rim 2'.

[0003]

In the above-mentioned conventional steel door, in order to prevent the cut end of the face plate 3 'from being exposed, the decorative edge 2' which is an edge material is inevitable.
Is separated from the aggregate 1 ′, and after attaching the surface plate 3 ′ to the aggregate 1 ′, the decorative edge 2 ′ is attached to the aggregate 1 ′ by retrofitting, so that the cut end of the steel plate 3 ′ is attached. The part had to be covered with a covering piece of the decorative rim 2 '. As described above, in the related art, since the decorative edge 2 ', which is the edge material, and the aggregate 1' are separate members, there is a problem in that it is necessary to attach the decorative edge 2 '.

Further, conventionally, since the aggregate 1 'and the decorative edge 2' are separate bodies, when the lock device is installed in the steel door, the lock rod or the latch of the lock device is protruded and retracted. The holes to be formed must be formed separately in both the aggregate 1 'and the decorative edge 2', and when assembling, it is necessary to assemble the holes so that the holes of both members coincide with each other. Further, conventionally, when attaching the closer device to the steel door, the closer device is applied to the outer surface of the front plate 3 ′ made of a steel plate,
Since it was only fixed to the surface plate 3 'made of a steel plate by screws, there was a problem that the mounting strength was weak.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and the structure of the frame material has been simplified by integrating the aggregate portion and the decorative edge portion. It is an object of the present invention to provide a steel door that does not require the trouble of attaching a decorative edge later.In addition, despite the fact that the aggregate portion and the decorative portion are integrated, the end of the steel plate face plate is not closed. Another object is to make it possible to easily make a hole through which a lock rod or a latch of a lock device appears in a frame body, and to be able to firmly attach a closer device. Things.

[0006]

In order to solve the above-mentioned problems of the present invention, a steel door of the present invention comprises a metal frame formed by integrally forming a decorative edge 2 at an outer end of an aggregate portion 1. The body 3 is constituted, and a surface plate 4 made of a steel plate is provided on a protruding base portion of the decorative edge 2 of the aggregate portion 1.
A recess 5 for fitting the tip of the surface plate 4 is formed, and the end of the surface plate 4 is attached to the outer surface of the aggregate portion 1 of the frame 3 and the surface plate 4
Are fitted in the recesses 5. With such a configuration, the aggregate portion 1 and the decorative edge portion 2 are integrated to simplify the structure. By fitting the tip of the face plate 4 into the recess 5, it is possible to prevent the tip of the face plate 4 from being exposed to the outside even though the aggregate portion 1 and the decorative edge portion 2 are integrated. You can do it.

A lock mounting frame 7 incorporating a lock device 6 is fitted along the inner surface of the aggregate portion 1 of the frame 3 so that the frame 3
It is also preferred to fix to. With such a configuration, a hole for allowing the lock rod or the latch of the lock control device 6 to protrude and retract can be formed in one frame 3. Further, the closer 8 is fitted along the inner surface of the aggregate portion 1 of the frame 3 and is fixed to the frame 3, and the closer 9 of the closer 8 is fixed to another portion of the closer 8. It is also preferable to make it thicker than the part.
With such a configuration, the mounting of the closer device 10 can be easily performed.
Can be firmly fixed to the closer device fixing portion 9 by the screw 11.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings. The aggregate part 1 includes a central piece 1a,
The side piece 1b projects from the both sides of the center piece 1a at right angles to the center piece 1a, and has a U-shaped cross section. The frame 3 is constructed by integrally projecting the decorative edge 2 in the opposite direction. The frame 3 in which the aggregate portion 1 and the decorative edge 2 are integrated as described above is made of metal. A recess 5 is formed in a protruding base portion of the aggregate portion 1 from which the decorative edge 2 protrudes.

The frame 3 having the above structure is framed in a rectangular shape as shown in FIG. 2 to assemble and form a door frame 12. Inside the door frame 12, a hard urethane having a shape as shown in FIG. Insulation material 20 like foam is put in as shown in FIG.
Thereafter, the steel door 13 is configured by disposing the steel plate 4 on both sides of the door frame 12 and attaching the end of the surface plate 4 to the aggregate portion 1. In this case, the cut end of the tip of the surface plate 4 made of a steel plate is fitted into the recess 5 formed in the protruding base portion of the decorative edge 2 of the aggregate portion 1. Thus, the bent portion 4 of the cut end of the front end of the surface plate 4
By fitting a into the recess 5, the cut end of the front end of the surface plate 4 can be satisfactorily accommodated without exposing the cut end of the front end of the surface plate 4 to the outside.

By the way, the steel door 13 having such a configuration is used.
In the above, the lock device 6 is incorporated and attached at the time of assembly, but in the present invention, as shown in FIG.
Aggregate part 1 of frame 3 in which aggregate part 1 and decorative edge 2 are integrated
Lock mounting frame 7 incorporating a lock device 6 along the inner surface of
It is fitted and installed. In this case, since the aggregate portion 1 and the decorative edge portion 2 are integrated, the lock device 6
The hole in which the lock rod, latch, etc. provided in the
It is sufficient to provide only the central piece 1a of the lock member, and as in the case of the related art, the lock bar and the latch provided on the lock device 6 and the hole through which the latch and the like protrude and retract are formed in both members as if the aggregate and the decorative edge are separate. The hole drilling process is less than that required to be performed, and there is no need to align the holes formed in the separate members.

Further, at a position corresponding to a mounting portion of the closer device 10 of the steel door 13 formed at the time of assembling the steel door 13, a frame 3 in which the aggregate portion 1 and the decorative edge 2 are integrated. As shown in FIG. 6, a closer device mounting frame 8 is fitted along the inner surface of the aggregate portion 1 and fixed to the frame 3. A part of the closer frame 8 is made thicker than other portions, and the thicker portion is used as a closer fixing portion 9. Then, the closer device 10 is applied to the outer surface of the front plate 4 of the steel door 13, and the closer device 10 is firmly fixed to the thicker closer device fixing portion 9 by a screw 11, so that the closer device 10 is made of steel. It can be attached to the door 13.

As shown in FIG. 3, the heat insulating material 20 has a notch 16 into which the lock mounting frame 7 is previously fitted and a notch 17 into which the closer device mounting frame 8 is fitted.
Is provided, and a heat insulating material 20 is provided on the framed door frame 12.
The lock mounting frame 7 and the closer device mounting frame 8 are fitted into the cutouts 16 and 17, and the heat insulating material 20 is provided inside the door frame 12 except for the lock mounting frame 7 and the closer device mounting frame 8. Will be filled.

[0013]

According to the invention of claim 1 of the present invention, as described above, a decorative frame is integrally formed on the outer end of the aggregate to form a metal frame, A recess is formed in the protruding base of the decorative edge of the aggregate to fit the tip of the steel plate, and the end of the surface is attached to the outer surface of the aggregate of the frame and the surface is Since the tip of is set in the recess,
The structure can be simplified by integrating the aggregate portion and the decorative edge portion. As a result, the number of members is small, and assembly can be easily performed. Moreover, despite the fact that the aggregate and the decorative edge are integrated as described above, the recess formed by forming the tip of the surface plate adhered to the surface of the aggregate at the protruding base portion of the decorative edge of the aggregate. Since it is fitted into the surface plate, it is possible to prevent the front end of the surface plate from being exposed to the outside.

According to the second aspect of the invention, in addition to the effects of the first aspect, a lock mounting frame incorporating a lock device is fitted along the inner surface of the aggregate portion of the frame. Since it is fixed to the frame body, it is only necessary to form a hole in the frame body to let the lock rod or latch of the lock device incorporated in the steel door to protrude and retract outside, the number of holes processed is small, This improves assemblability.

According to the third aspect of the present invention, in addition to the effect of the first aspect of the present invention, the closer device mounting frame is fitted along the inner surface of the aggregate portion of the frame body to fit the frame body. It is fixed and the closer of the closer to the closer of the closer to the closer of the closer to the closer to the closer to the closer of the closer to the closer to the closer of the closer to the closer to the closer to the mounting of the closer can be easily installed. At the time of fixing to the device fixing portion, the fixing device can be firmly fixed by fixing to the thicker device fixing portion.

[Brief description of the drawings]

FIG. 1 is a partially omitted cross-sectional view of a steel door of the present invention.

FIG. 2 is a front view of a door frame formed by framing the above frame.

FIG. 3 is a front view of a heat insulating material to be placed in the door frame.

FIG. 4 is a front view showing a state where a heat insulating material is put in the door frame.

FIG. 5 is a cross-sectional view of a portion where the lock mounting frame is assembled.

FIG. 6 is a cross-sectional view of a portion where the closer device mounting frame is mounted.

FIG. 7 is a sectional view of a conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 aggregate portion 2 decorative edge 3 frame 4 surface plate 5 recess 6 lock device 7 lock mounting frame 8 closer device mounting frame 9 closer device fixing portion

Claims (3)

[Claims] 1. A metal frame is formed by integrally forming a decorative edge portion at an outer end portion of an aggregate portion, and a front end of a steel plate is provided at a protruding base portion of the decorative edge portion of the aggregate portion. A steel door characterized by forming a recess for fitting therein, attaching an end of a face plate to an outer surface of an aggregate portion of a frame, and fitting a tip of the face plate into the recess. 2. The steel door according to claim 1, wherein a lock mounting frame incorporating a lock device is fitted along the inner surface of the aggregate portion of the frame and fixed to the frame. 3. A closer device mounting frame is fitted along the inner surface of the aggregate portion of the frame and fixed to the frame, and the closer of the closer of the closer to the closer to the closer to the closer to the closer to the closer to the closer to the closer to the closer device. The steel door according to claim 1, wherein the steel door is made thick.