JP2010281154A - Door - Google Patents

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JP2010281154A
JP2010281154A JP2009136716A JP2009136716A JP2010281154A JP 2010281154 A JP2010281154 A JP 2010281154A JP 2009136716 A JP2009136716 A JP 2009136716A JP 2009136716 A JP2009136716 A JP 2009136716A JP 2010281154 A JP2010281154 A JP 2010281154A
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metal plate
door
vertical frame
frame
fixed
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JP5687416B2 (en
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Kenji Okada
健二 岡田
Kazuo Kuroda
和夫 黒田
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Nihon Funen Co Ltd
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Nihon Funen Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To simplify bending processing of a metal plate, reduce processing costs, and improve strength. <P>SOLUTION: The door is constituted by fixing the first metal plate 1 and the second metal plate 2 on the surface of a pair of vertical frames 4. The first metal plate 1 is provided with a U-bent cover 11 in which one sidewall 4Y of the vertical frame 4A on the groove-shaped door-tip side is inserted, and an engagement groove 13 provided at the tip edge of the U-bent cover 11 is arranged on the inside of the sidewall 4Y. The second metal plate 2 has a cover bending part 14 which blocks the opening 4Z of the vertical frame 4A on the groove-shaped door-tip side, and the tip of the cover bending part 14 is bent inside and is made a laminated bending part 15. The door is constituted by inserting the sidewall 4Y of the vertical frame 4A on the door-tip side to the U-bent cover 11 of the first metal plate 1 and by inserting the tip of the laminated bending part 15 of the second metal plate 2 to the engagement groove 13 of the first metal plate 1. Furthermore, the inside bending part 16 of the first metal plate 1 and that of the second metal plate 2 are placed along the outer peripheral surface of the vertical frame 4B on the door-tail side, and the first metal plate 1 and the second metal plate 2 are connected to the vertical frame 4. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、両面に金属板を固定してなるドアに関し、とくに表面の金属板を互いに連結して枠に固定してなるドアに関する。   The present invention relates to a door in which metal plates are fixed on both sides, and more particularly to a door in which metal plates on the surface are connected to each other and fixed to a frame.

両面を金属板とするドアは、両面の金属板を互いに連結する構造として能率よく組み立てできる。本出願人は、このことを実現することを目的として、図１の断面図に示すドアを開発した。このドアは、第１の金属板９１を折曲加工してその両側に連結溝９４を設け、第２の金属板９２にはこの連結溝９４に挿入して連結できる連結凸条９３を設け、連結凸条９３を連結溝９４に挿入して連結して組み立てできる。   A door having metal plates on both sides can be efficiently assembled as a structure that connects the metal plates on both sides. The applicant has developed the door shown in the cross-sectional view of FIG. 1 for the purpose of realizing this. This door is formed by bending the first metal plate 91 to provide connection grooves 94 on both sides thereof, and the second metal plate 92 is provided with connection protrusions 93 that can be inserted and connected to the connection grooves 94. The connecting protrusion 93 can be inserted into the connecting groove 94 and connected to be assembled.

特開２００９−２４３９９JP 2009-24399 A

図１に示すドアは、２枚の金属板を連結して能率よく組み立てできるが、各々の金属板を複雑な形状に折曲加工するので、加工に手間がかかって加工コストが高くなる欠点がある。とくに、一方の金属板にはその両側に連結溝を設ける複雑な形状に折曲加工するので、この金属板の折曲加工に著しく手間がかかる欠点がある。また、フレームを内蔵しないので、ドアの強度も低くなる欠点がある。   The door shown in FIG. 1 can be assembled efficiently by connecting two metal plates, but each metal plate is bent into a complicated shape, which has the disadvantage that it takes time and effort to process. is there. In particular, since one metal plate is bent into a complicated shape in which connecting grooves are provided on both sides of the metal plate, there is a drawback in that the bending of the metal plate is remarkably time-consuming. Moreover, since there is no built-in frame, there is a drawback that the strength of the door is lowered.

本発明は、さらにこの欠点を解決することを目的に開発されたものである。本発明の重要な目的は、金属板の折曲加工を簡単にして加工コストを低減して強度を向上できるドアを提供することにある。   The present invention has been developed for the purpose of solving this drawback. An important object of the present invention is to provide a door that can simplify bending of a metal plate, reduce processing costs, and improve strength.

課題を解決するための手段及び発明の効果Means for Solving the Problems and Effects of the Invention

本発明のドアは、ドアの戸先側に内蔵してなる断面形状を溝形とする戸先側の縦枠４Ａと、ドアの戸尻側に内蔵してなる戸尻側の縦枠４Ｂと、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの第１の表面に固定している第１の金属板１と、第１の表面と反対側の面である第２の表面に固定している第２の金属板２とを備えている。戸先側の縦枠４Ａは、底板４Ｘの両側に側壁４Ｙを設けてなる溝形であって、溝形の開口部４Ｚをドアの外側に向ける姿勢として第１の金属板１と第２の金属板２の間に配設している。第１の金属板１は、戸先側の縦枠４Ａの一方の側壁４Ｙを挿入するＵ曲カバー部１１を備えている。さらに、このＵ曲カバー部１１は、内側に折り返した内側積層部１２の先端縁に係止溝部１３を設けて、係止溝部１３を側壁４Ｙの内側に配置している。第２の金属板２は、戸先側の縦枠４Ａの表面から内側に折曲されて、溝形である戸先側の縦枠４Ａの溝形の開口部４Ｚを閉塞するカバー折曲部１４を有する。このカバー折曲部１４は、先端部を内側に折曲して、Ｕ曲カバー部１１の係止溝部１３に案内される積層折曲部１５としている。さらに、第１の金属板１と第２の金属板２は、戸尻側の縦枠４Ｂの外周面に沿うように折曲してなる内側折曲部１６を戸尻側に有する。ドアは、第１の金属板１のＵ曲カバー部１１に戸先側の縦枠４Ａの側壁４Ｙを挿入して、第１の金属板１を戸先側の縦枠４Ａに連結し、第２の金属板２の積層折曲部１５の先端を第１の金属板１の係止溝部１３に挿入して、第２の金属板２を第１の金属板１に連結し、さらに、第１の金属板１と第２の金属板２の内側折曲部１６を戸尻側の縦枠４Ｂの外周面に沿わせて、第１の金属板１と第２の金属板２とを縦枠４に連結している。   The door of the present invention includes a door-side vertical frame 4A having a groove-shaped cross-sectional shape built in the door-side of the door, and a door-side vertical frame 4B built-in on the door-side of the door. The first metal plate 1 fixed to the first surface of the vertical frame 4A on the door-end side and the vertical frame 4B on the door-end side, and the second surface that is the surface opposite to the first surface The second metal plate 2 is fixed. The vertical frame 4A on the door end side is a groove shape in which side walls 4Y are provided on both sides of the bottom plate 4X, and the first metal plate 1 and the second metal plate 1 are positioned in such a posture that the groove-shaped opening 4Z faces the outside of the door. Arranged between the metal plates 2. The first metal plate 1 includes a U-curved cover portion 11 into which one side wall 4Y of the vertical frame 4A on the door end side is inserted. Further, the U-curved cover portion 11 is provided with a locking groove portion 13 at the front end edge of the inner laminated portion 12 that is folded inward, and the locking groove portion 13 is disposed inside the side wall 4Y. The second metal plate 2 is bent inward from the surface of the vertical frame 4A on the door end side, and is a cover bent portion that closes the groove-shaped opening 4Z of the vertical frame 4A on the door end side that is a groove shape. 14 The cover bent portion 14 is a laminated bent portion 15 that is guided by the locking groove portion 13 of the U-curved cover portion 11 by bending the front end portion inward. Furthermore, the 1st metal plate 1 and the 2nd metal plate 2 have the inner side bending part 16 formed by bending along the outer peripheral surface of the vertical frame 4B on the door butt side on the door butt side. The door inserts the side wall 4Y of the vertical frame 4A on the door-end side into the U-curved cover portion 11 of the first metal plate 1, connects the first metal plate 1 to the vertical frame 4A on the door-end side, The tip of the laminated bent portion 15 of the second metal plate 2 is inserted into the locking groove portion 13 of the first metal plate 1 to connect the second metal plate 2 to the first metal plate 1, and The first metal plate 1 and the second metal plate 2 are vertically aligned with the inner bent portion 16 of the first metal plate 1 and the second metal plate 2 along the outer peripheral surface of the vertical frame 4B on the door bottom side. It is connected to the frame 4.

以上のドアは、金属板の折曲加工を簡単にして加工コストを低減できる。それは、以上のドアが、第１の金属板には、戸先側の縦枠の側壁を挿入しているＵ曲カバー部の内側積層部の先端に係止溝部を設けて、この係止溝部を側壁の内側に配設し、さらに、第２の金属板には、第１の金属板の係止溝部に連結される積層折曲部を設け、積層折曲部を係止溝部に案内して、第２の金属板を縦枠から外れないように連結できるからである。第１の金属板と第２の金属板の内側折曲部を戸尻側の縦枠の外周面に位置させることで、第１の金属板はＵ曲カバー部と内側折曲部で両側の縦枠を挟着し、第２の金属板はカバー折曲部と内側折曲部とで両側の縦枠を挟着する。したがって、第１の金属板と第２の金属板の表面に平行な方向のずれが阻止される。また、Ｕ曲カバー部を縦枠の側壁に挿入することで、第１の金属板が戸先側の縦枠から外側に外れるのが阻止され、また、積層折曲部を係止溝部に案内することで、第２の金属板が戸先側の縦枠から外側に外れるのが阻止される。したがって、金属板を簡単な形状に折曲加工するにもかかわらず、第１の金属板と第２の金属板とを確実に縦枠に固定できる。また、第１の金属板と第２の金属板の両側に一対の縦枠を固定していることで、ドアとしての強度も相当に向上できる特徴がある。   The above door can simplify the bending process of the metal plate and reduce the processing cost. That is, the above-mentioned door is provided with a locking groove portion at the tip of the inner laminated portion of the U-curved cover portion in which the side wall of the vertical frame on the door end side is inserted in the first metal plate. Is disposed on the inner side of the side wall, and the second metal plate is provided with a laminated bent portion connected to the engaging groove portion of the first metal plate, and the laminated bent portion is guided to the engaging groove portion. This is because the second metal plate can be connected so as not to be detached from the vertical frame. By positioning the inner bent portions of the first metal plate and the second metal plate on the outer peripheral surface of the vertical frame on the door bottom side, the first metal plate has a U-curved cover portion and an inner bent portion on both sides. A vertical frame is clamped, and the second metal plate clamps the vertical frames on both sides between the cover bent portion and the inner bent portion. Therefore, the shift | offset | difference of the direction parallel to the surface of a 1st metal plate and a 2nd metal plate is prevented. Also, by inserting the U-curve cover part into the side wall of the vertical frame, the first metal plate is prevented from coming off from the vertical frame on the door end side, and the laminated bent part is guided to the locking groove part. By doing so, the second metal plate is prevented from coming out of the vertical frame on the door end side. Therefore, although the metal plate is bent into a simple shape, the first metal plate and the second metal plate can be reliably fixed to the vertical frame. In addition, since the pair of vertical frames are fixed to both sides of the first metal plate and the second metal plate, the strength as a door can be considerably improved.

本発明のドアは、戸先側の縦枠４Ａが、第１の金属板１のＵ曲カバー部１１に挿入してなる一方の側壁４Ｙａを他方の側壁４Ｙｂから突出するように幅を広くして突出部４Ｔを目板６とすることができる。
以上のドアは、戸先側の縦枠をＵ曲カバー部に挿入する構造によって、縦枠の側壁で目板を補強して、ここを極めて強固な構造にできる特徴がある。 The door of the present invention is widened so that the vertical frame 4A on the door side protrudes from the other side wall 4Yb of one side wall 4Ya inserted into the U-curved cover portion 11 of the first metal plate 1. Thus, the protrusion 4T can be used as the eye plate 6.
The above-described door has a feature that it can reinforce the eye plate at the side wall of the vertical frame by a structure in which the vertical frame on the door end side is inserted into the U-curved cover portion, thereby making the structure extremely strong.

本発明のドアは、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの上下を横枠５で連結することができる。このドアは、第１の金属板１と第２の金属板２を横枠５の外周面に沿って内側に折曲して固定折曲部１７を横枠５の外周面に固定することができる。
以上のドアは、第１の金属板と第２の金属板とを縦枠と横枠からなる強固な枠材で補強することから、ドアとしての強度を著しく向上できる特徴がある。 In the door of the present invention, the vertical frame 4A on the door end side and the vertical frame 4B on the door bottom side can be connected by the horizontal frame 5. In this door, the first metal plate 1 and the second metal plate 2 can be bent inward along the outer peripheral surface of the horizontal frame 5 to fix the fixed bent portion 17 to the outer peripheral surface of the horizontal frame 5. it can.
The above door has the feature that the strength as a door can be remarkably improved because the first metal plate and the second metal plate are reinforced with a strong frame material composed of a vertical frame and a horizontal frame.

本発明のドアは、第１の金属板１と第２の金属板２の固定折曲部１７を、溶接、リベット２０、接着のいずれかで横枠５の外周面に固定することができる。
以上のドアは、第１の金属板と第２の金属板の固定折曲部を横枠に強固に固定して、第１の金属板と第２の金属板とを確実にフレームに固定できる。 The door of this invention can fix the fixed bending part 17 of the 1st metal plate 1 and the 2nd metal plate 2 to the outer peripheral surface of the horizontal frame 5 by welding, the rivet 20, or adhesion | attachment.
The above door can firmly fix the first metal plate and the second metal plate to the frame by firmly fixing the fixed bent portions of the first metal plate and the second metal plate to the horizontal frame. .

本発明者が先に開発したドアの水平断面図である。It is a horizontal sectional view of the door which this inventor developed previously. 本発明の一実施例にかかるドアの正面図である。It is a front view of the door concerning one Example of this invention. 図２に示すドアの水平断面図である。It is a horizontal sectional view of the door shown in FIG. 図２に示すドアの垂直横断面図である。FIG. 3 is a vertical cross-sectional view of the door shown in FIG. 2. 図３に示すドアの製造工程の一例を示す工程図である。It is process drawing which shows an example of the manufacturing process of the door shown in FIG. 図３に示すドアの製造工程の他の一例を示す工程図である。It is process drawing which shows another example of the manufacturing process of the door shown in FIG. 本発明の他の実施例にかかるドアの水平断面図である。It is a horizontal sectional view of a door concerning other examples of the present invention. 図７に示すドアの製造工程の一例を示す工程図である。It is process drawing which shows an example of the manufacturing process of the door shown in FIG. 図７に示すドアの製造工程の他の一例を示す工程図である。It is process drawing which shows another example of the manufacturing process of the door shown in FIG. 本発明の他の実施例にかかるドアの水平断面図である。It is a horizontal sectional view of a door concerning other examples of the present invention.

以下、本発明の実施例を図面に基づいて説明する。ただし、以下に示す実施例は、本発明の技術思想を具体化するためのドアを例示するものであって、本発明はドアを以下のものに特定しない。   Embodiments of the present invention will be described below with reference to the drawings. However, the embodiment described below exemplifies a door for embodying the technical idea of the present invention, and the present invention does not specify the door as follows.

さらに、この明細書は、特許請求の範囲を理解しやすいように、実施例に示される部材に対応する番号を、「特許請求の範囲」および「課題を解決するための手段の欄」に示される部材に付記している。ただ、特許請求の範囲に示される部材を、実施例の部材に特定するものでは決してない。   Further, in this specification, in order to facilitate understanding of the scope of claims, numbers corresponding to the members shown in the examples are indicated in the “claims” and “means for solving problems” sections. It is added to the members. However, the members shown in the claims are not limited to the members in the embodiments.

図２ないし図４に示すドアは、縦枠４と横枠５を四角形に連結しているフレーム３と、フレーム３の両面に固定している第１の金属板１と第２の金属板２とを備える。第１の金属板１は、図３においてドアの上面に位置する第１の表面に固定しており、第２の金属板２は、第１の表面と反対側の面である、図３においてドアの下面である第２の表面に固定している。   The door shown in FIGS. 2 to 4 includes a frame 3 in which a vertical frame 4 and a horizontal frame 5 are connected in a square shape, and a first metal plate 1 and a second metal plate 2 that are fixed to both surfaces of the frame 3. With. The first metal plate 1 is fixed to the first surface located on the upper surface of the door in FIG. 3, and the second metal plate 2 is the surface opposite to the first surface in FIG. It fixes to the 2nd surface which is the lower surface of a door.

フレーム３は、ドアの両側に位置する縦枠４の上下に、ドアの上下に位置する横枠５を連結して四角形のフレーム３としている。縦枠４と横枠５は、例えば、厚さを約１．６ｍｍとする鋼板で製作される。ただし、縦枠と横枠は、厚さを１〜２ｍｍとする鋼板で製作することもできる。   The frame 3 is formed as a rectangular frame 3 by connecting a horizontal frame 5 positioned above and below the door to a vertical frame 4 positioned on both sides of the door. The vertical frame 4 and the horizontal frame 5 are made of, for example, a steel plate having a thickness of about 1.6 mm. However, a vertical frame and a horizontal frame can also be manufactured with the steel plate which makes thickness 1-2 mm.

縦枠４は、ドアの戸先側に内蔵している断面形状を溝形とする戸先側の縦枠４Ａと、ドアの戸尻側に内蔵している断面形状を溝形とする戸尻側の縦枠４Ｂとからなる。フレーム３は、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの上下に、水平姿勢の横枠５を連結して四角形の枠体としている。   The vertical frame 4 includes a door-side vertical frame 4A having a cross-sectional shape built in the door end side of the door as a groove shape, and a door bottom having a cross-sectional shape built in the door bottom side of the door as a groove shape. And a vertical frame 4B on the side. The frame 3 is formed as a rectangular frame by connecting a horizontal frame 5 in a horizontal posture above and below a vertical frame 4A on the door end side and a vertical frame 4B on the door bottom side.

戸先側の縦枠４Ａは、底板４Ｘの両側に側壁４Ｙを設けて溝形とするチャンネル材である。戸先側の縦枠４Ａは、溝形の開口部４Ｚをドアの外側に向ける姿勢として第１の金属板１と第２の金属板２の間に配設している。図３に示す戸先側の縦枠４Ａは、一方の側壁４Ｙａを他方の側壁４Ｙｂから突出するように幅を広くして、突出部４Ｔを目板６としている。図３において、戸先側の縦枠４Ａは、上側の側壁４Ｙａの幅を上側の側壁４Ｙｂよりも広くして、突出部４Ｔを目板６としている。目板６となる側壁４Ｙａは、第１の金属板１のＵ曲カバー部１１に挿入されて、第１の金属板１で被覆している。   The vertical frame 4A on the door end side is a channel material having a groove shape by providing side walls 4Y on both sides of the bottom plate 4X. The vertical frame 4A on the door end side is disposed between the first metal plate 1 and the second metal plate 2 so that the groove-shaped opening 4Z faces the outside of the door. The vertical frame 4A on the door end side shown in FIG. 3 is widened so that one side wall 4Ya protrudes from the other side wall 4Yb, and the protruding portion 4T serves as the eye plate 6. In FIG. 3, the vertical frame 4 </ b> A on the door end side has the upper side wall 4 </ b> Ya wider than the upper side wall 4 </ b> Yb, and the protruding portion 4 </ b> T serves as the eye plate 6. The side wall 4 </ b> Ya serving as the eye plate 6 is inserted into the U-curved cover portion 11 of the first metal plate 1 and is covered with the first metal plate 1.

戸尻側の縦枠４Ｂは、底板４Ｘの両側に側壁４Ｙを設けて溝形としているチャンネル材である。この戸尻側の縦枠４Ｂは、溝形の開口部４Ｚをドアの内側に向ける姿勢して、第１の金属板１と第２の金属板２との間に配設している。戸尻側の縦枠４Ｂは、第１の金属板１と第２の金属板２の側縁を側壁４Ｙから底板４Ｘの表面に沿うように内側に折曲して被覆している。図３の断面図に示すドアは、戸尻側の縦枠４Ｂを溝形のチャンネル材とするが、戸尻側の縦枠には、四角筒状の金属ロッドも使用できる。   The vertical frame 4B on the door bottom side is a channel material having a side wall 4Y on both sides of the bottom plate 4X to form a groove. The door bottom side vertical frame 4B is disposed between the first metal plate 1 and the second metal plate 2 with the groove-shaped opening 4Z facing the inside of the door. The vertical frame 4B on the door bottom side covers and covers the side edges of the first metal plate 1 and the second metal plate 2 from the side wall 4Y to the inside of the bottom plate 4X. In the door shown in the sectional view of FIG. 3, the vertical frame 4B on the door bottom side is a channel-shaped channel material, but a rectangular cylindrical metal rod can also be used for the vertical frame on the door bottom side.

横枠５は、縦枠４の上端に固定される上枠５Ａと、縦枠４の下端に固定される下枠５Ｂとからなる。上枠５Ａと下枠５Ｂは、図４の断面図に示すように、金属板を溝形とするチャンネル材である。チャンネル材の上枠５Ａは、溝の開口部を下向きとし、下枠５Ｂは溝の開口部を上向きとして、縦枠４の上下の端部に固定している。ただ、横枠は、チャンネル材に代わって四角筒状の金属ロッドも使用できる。さらに、図に示すドアは、第１の金属板１と第２の金属板２の上縁と下縁を互いに内側に直角に折曲して固定折曲部１７とし、この固定折曲部１７をリベット２０で上枠５Ａと下枠５Ｂに固定している。固定折曲部は、図示しないが、スポット溶接し、あるいは接着し、あるいはまた、係止構造で上枠と下枠に固定することもできる。   The horizontal frame 5 includes an upper frame 5 </ b> A fixed to the upper end of the vertical frame 4 and a lower frame 5 </ b> B fixed to the lower end of the vertical frame 4. As shown in the cross-sectional view of FIG. 4, the upper frame 5A and the lower frame 5B are channel members having a metal plate as a groove shape. The upper frame 5A of the channel material is fixed to the upper and lower ends of the vertical frame 4 with the opening of the groove facing downward and the lower frame 5B with the opening of the groove facing upward. However, the horizontal frame can use a square cylindrical metal rod instead of the channel material. Furthermore, the door shown in the figure is bent at the upper and lower edges of the first metal plate 1 and the second metal plate 2 at right angles to each other to form a fixed bent portion 17, and this fixed bent portion 17. Are fixed to the upper frame 5A and the lower frame 5B by rivets 20. Although not shown, the fixed bent portion can be spot welded or bonded, or can be fixed to the upper frame and the lower frame with a locking structure.

第１の金属板１と第２の金属板２は、たとえば、厚さ０．４ｍｍ〜０．８ｍｍとする鉄又は鉄合金からなる金属板である。第１の金属板１と第２の金属板２は、表面をプリントし、あるいは化粧シートを接着して綺麗に表面処理している。   The first metal plate 1 and the second metal plate 2 are metal plates made of iron or an iron alloy having a thickness of 0.4 mm to 0.8 mm, for example. The first metal plate 1 and the second metal plate 2 are finely surface-treated by printing the surfaces or adhering a decorative sheet.

第１の金属板１は、戸先側の縦枠４Ａの一方の側壁４Ｙを挿入するＵ曲カバー部１１を片側縁に設けている。第１の金属板１は、片側の側縁部を内側に折り返して、側壁４Ｙを挿入するＵ曲カバー部１１を設けている。このＵ曲カバー部１１は、内側に折り返した内側積層部１２の先端縁に沿って係止溝部１３を設けて、この係止溝部１３を側壁４Ｙの内側に配置している。第１の金属板１は、内側積層部１２の先端縁を内側、すなわち他方の側壁４Ｙに向かって折曲し、内側の角度である内角を鋭角として係止溝部１３を設けている。図３のドアは、戸先側の縦枠４Ａの一方の側壁４Ｙａの幅を広くして、突出部４Ｔを目板６としているので、この目板６となる側壁４ＹａをＵ曲カバー部１１に挿入してＵ曲カバー部１１で目板６の側壁４Ｙａをカバーしている。   The first metal plate 1 has a U-curved cover portion 11 into which one side wall 4Y of the vertical frame 4A on the door end side is inserted on one side edge. The first metal plate 1 is provided with a U-curved cover portion 11 in which a side edge portion on one side is folded inward and a side wall 4Y is inserted. The U-curved cover portion 11 is provided with a locking groove portion 13 along the front end edge of the inner laminated portion 12 that is folded inward, and the locking groove portion 13 is disposed inside the side wall 4Y. The first metal plate 1 bends the leading edge of the inner laminated portion 12 inward, that is, toward the other side wall 4Y, and is provided with a locking groove portion 13 with an inner angle that is an inner angle as an acute angle. In the door of FIG. 3, the width of one side wall 4Ya of the vertical frame 4A on the door end side is widened, and the protruding portion 4T is used as the face plate 6. Therefore, the side wall 4Ya serving as the face plate 6 is used as the U-curve cover portion 11. The side wall 4Ya of the eye plate 6 is covered with the U-curve cover portion 11.

第２の金属板２は、戸先側の縦枠４Ａの表面、正確には側壁４Ｙｂの表面からドアの外周面に沿うように内側に直角に折曲して、溝形である戸先側の縦枠４Ａの開口部４Ｚを閉塞するカバー折曲部１４を設けている。第２の金属板２は、戸先側の縦枠４Ａの他方の側壁４Ｙ、すなわち、目板６となる側壁４Ｙａと反対側の側壁４Ｙｂの表面から先端縁に沿って折曲されて、溝形である一対の側壁４Ｙの開口部４Ｚを閉塞している。   The second metal plate 2 is bent at a right angle from the surface of the vertical frame 4A on the door-end side, more precisely, from the surface of the side wall 4Yb along the outer peripheral surface of the door, and is a groove-shaped door-end side. A cover bent portion 14 for closing the opening 4Z of the vertical frame 4A is provided. The second metal plate 2 is bent along the front edge from the surface of the other side wall 4Y of the vertical frame 4A on the door end side, that is, the side wall 4Yb opposite to the side wall 4Ya to be the eye plate 6, The opening 4Z of the pair of side walls 4Y having a shape is closed.

さらに、カバー折曲部１４は、先端部を内側に折曲して、Ｕ曲カバー部１１の先端縁に設けている係止溝部１３に案内する積層折曲部１５としている。カバー折曲部１４は、戸先側の縦枠４Ａの開口部４Ｚを閉塞するので、その幅は一対の側壁４Ｙの開口部４Ｚを閉塞する幅としている。また、カバー折曲部１４は、その先端縁に設けている積層折曲部１５をＵ曲カバー部１１の内面に沿わせる幅としている。積層折曲部１５は、Ｕ曲カバー部１１の内面に密着する状態にあって、その先端縁を係止溝部１３に挿入できる幅としている。   Further, the cover bent portion 14 is a laminated bent portion 15 that bends the tip end inward and guides it to the locking groove portion 13 provided at the tip edge of the U-curved cover portion 11. Since the cover bent portion 14 closes the opening 4Z of the vertical frame 4A on the door end side, the width is set to be a width that closes the opening 4Z of the pair of side walls 4Y. Further, the cover bent portion 14 has a width that allows the laminated bent portion 15 provided at the front end edge thereof to be along the inner surface of the U-curved cover portion 11. The laminated bent portion 15 is in a state of being in close contact with the inner surface of the U-curved cover portion 11, and has a width at which a tip edge thereof can be inserted into the locking groove portion 13.

図のドアは、戸先側の縦枠４Ａの一方の側壁４Ｙａの幅を広くして目板６を設けているので、第２の金属板２のカバー折曲部１４は、目板６の先端縁よりもドアの内側に位置している。すなわち、内部に側壁４Ｙａを挿入しているＵ曲カバー部１１が、ドアの外周面から外側に突出して、目板６となっている。   Since the door of the figure has a wide side plate 4Ya of the vertical frame 4A on the door end side and the eye plate 6 is provided, the cover bent portion 14 of the second metal plate 2 is It is located inside the door from the front edge. That is, the U-curved cover portion 11 in which the side wall 4 </ b> Ya is inserted projects outward from the outer peripheral surface of the door to form the eye plate 6.

さらに、第１の金属板１と第２の金属板２の戸尻側は、戸尻側の縦枠４Ｂの外周面に沿うように折曲している内側折曲部１６を設けている。この内側折曲部１６が戸尻側の縦枠４Ｂの表面をカバーする。第１の金属板１の内側折曲部１６と第２の金属板２の内側折曲部１６は、戸尻側の縦枠４Ｂの表面を隙間なくカバーする幅としている。図３の断面図に示す内側折曲部１６は、先端縁部を裏面に折り返すように折曲加工して、第１の金属板１と第２の金属板２との境界を綺麗に仕上げている。   Further, the door bottom side of the first metal plate 1 and the second metal plate 2 is provided with an inner bent portion 16 that is bent along the outer peripheral surface of the vertical frame 4B on the door bottom side. The inner bent portion 16 covers the surface of the vertical frame 4B on the door bottom side. The inner bent portion 16 of the first metal plate 1 and the inner bent portion 16 of the second metal plate 2 have a width that covers the surface of the vertical frame 4B on the door bottom side without any gap. The inner bent portion 16 shown in the cross-sectional view of FIG. 3 is bent so that the front end edge is turned back to the back surface, and the boundary between the first metal plate 1 and the second metal plate 2 is finished finely. Yes.

第１の金属板１と第２の金属板２の上下の外周縁は、図４の断面図に示すように、内側に折曲されて固定折曲部１７としている。この固定折曲部１７は前述したように、上枠５Ａと下枠５Ｂの表面にリベット２０などで固定されて、第１の金属板１と第２の金属板２はフレーム３に固定される。   The upper and lower outer peripheries of the first metal plate 1 and the second metal plate 2 are bent inward to form a fixed bent portion 17 as shown in the sectional view of FIG. As described above, the fixed bent portion 17 is fixed to the surfaces of the upper frame 5A and the lower frame 5B with the rivets 20 or the like, and the first metal plate 1 and the second metal plate 2 are fixed to the frame 3. .

図３に示すドアは、以下のようにして組み立てられる。
（１）縦枠４と横枠５を連結してフレーム３を作製する。
戸先側の縦枠４Ａと戸尻側の縦枠４Ｂからなる一対の縦枠４の上下に、上枠５Ａと下枠５Ｂとからなる一対の横枠５を連結して四角形の枠体であるフレーム３を作製する。フレーム３は、図３に示すように、溝形である戸先側の縦枠４Ａの開口部４Ｚをドアの外側に向ける姿勢として連結する。
（２）第１の金属板１をフレーム３の第１の表面に固定する。
第１の金属板１は、図５の（ａ）で示すように、Ｕ曲カバー部１１に戸先側の縦枠４Ａの幅の広い側壁４Ｙａを挿入して戸先側の縦枠４Ａに連結し、図５の（ｂ）で示すように、反対側の内側折曲部１６を戸尻側の縦枠４Ｂの外周面に沿わせて縦枠４に連結する。この状態で、第１の金属板１は、Ｕ曲カバー部１１と内側折曲部１６とで両側の縦枠４を挟着する状態でフレーム３に連結される。第１の金属板１は、内面に接着剤を塗布しており、この接着剤を介して、四角形に枠組してなるフレーム３の第１の表面に、第１の金属板１が固定される。
（３）フレーム３の内側に芯材７を充填する。
図５の（ｃ）で示すように、第１の金属板１が固定されたフレーム３の内側に芯材７を充填する。芯材７は、第１の金属板１の内面に塗布された接着剤を介して定位置に固定される。
（４）第２の金属板２をフレーム３の第２の表面に固定する。
第２の金属板２は、図５の（ｄ）で示すように、積層折曲部１５の先端を第１の金属板１の係止溝部１３に挿入して第１の金属板１に連結すると共に、戸先側の縦枠４Ａの開口部４Ｚをカバー折曲部１４で閉塞する状態で戸先側の縦枠４Ａに連結する。さらに、第２の金属板２は、図５の（ｅ）で示すように、反対側の内側折曲部１６を戸尻側の縦枠４Ｂの外周面に沿わせて縦枠４に連結する。この状態で、第２の金属板２は、カバー折曲部１４と内側折曲部１６とで両側の縦枠４を挟着する状態でフレーム３に連結される。第２の金属板２は、内面に接着剤を塗布しており、この接着剤を介して、四角形に枠組してなるフレーム３の第２の表面と、フレーム３の内側に充填された芯材７の表面に、第２の金属板２が固定される。
（５）第１の金属板１と第２の金属板２の上下をフレーム３に固定する。
フレーム３の両面に第１の金属板１と第２の金属板２を固定して、接着剤が硬化した後、第１の金属板１と第２の金属板２の上下をフレーム３に固定する。第１の金属板１と第２の金属板２は、図４に示すように、内側に折曲してなる固定折曲部１７を、リベット２０を介して横枠５の外周面に固定する。 The door shown in FIG. 3 is assembled as follows.
(1) The frame 3 is manufactured by connecting the vertical frame 4 and the horizontal frame 5.
A rectangular frame body is formed by connecting a pair of horizontal frames 5 consisting of an upper frame 5A and a lower frame 5B to the top and bottom of a pair of vertical frames 4 consisting of a vertical frame 4A on the door end side and a vertical frame 4B on the door bottom side. A certain frame 3 is produced. As shown in FIG. 3, the frame 3 connects the opening 4 </ b> Z of the door-side vertical frame 4 </ b> A that is groove-shaped so as to face the outside of the door.
(2) The first metal plate 1 is fixed to the first surface of the frame 3.
As shown in FIG. 5A, the first metal plate 1 is inserted into the U-curve cover portion 11 by inserting the wide side wall 4 </ b> Ya of the vertical frame 4 </ b> A on the door-end side into the vertical frame 4 </ b> A on the door-end side. As shown in FIG. 5B, the inner bent portion 16 on the opposite side is connected to the vertical frame 4 along the outer peripheral surface of the vertical frame 4B on the door bottom side. In this state, the first metal plate 1 is coupled to the frame 3 in a state where the vertical frames 4 on both sides are sandwiched between the U-curved cover portion 11 and the inner bent portion 16. The first metal plate 1 is coated with an adhesive on the inner surface, and the first metal plate 1 is fixed to the first surface of the frame 3 formed in a quadrangular frame via the adhesive. .
(3) The core material 7 is filled inside the frame 3.
As shown in FIG. 5C, the core material 7 is filled inside the frame 3 to which the first metal plate 1 is fixed. The core material 7 is fixed in place via an adhesive applied to the inner surface of the first metal plate 1.
(4) The second metal plate 2 is fixed to the second surface of the frame 3.
As shown in FIG. 5D, the second metal plate 2 is connected to the first metal plate 1 by inserting the end of the laminated bent portion 15 into the locking groove portion 13 of the first metal plate 1. At the same time, the opening 4Z of the vertical frame 4A on the door-end side is connected to the vertical frame 4A on the door-end side in a state where the opening 4Z is closed by the cover bent portion 14. Further, as shown in FIG. 5E, the second metal plate 2 is connected to the vertical frame 4 along the outer peripheral surface of the vertical frame 4B on the door bottom side with the inner bent portion 16 on the opposite side. . In this state, the second metal plate 2 is connected to the frame 3 in a state in which the vertical frames 4 on both sides are sandwiched between the cover bent portion 14 and the inner bent portion 16. The second metal plate 2 has an adhesive applied to the inner surface, and a core material filled inside the frame 3 with the second surface of the frame 3 formed into a quadrangular frame through the adhesive. The second metal plate 2 is fixed to the surface of 7.
(5) The upper and lower sides of the first metal plate 1 and the second metal plate 2 are fixed to the frame 3.
The first metal plate 1 and the second metal plate 2 are fixed to both surfaces of the frame 3, and after the adhesive is cured, the upper and lower sides of the first metal plate 1 and the second metal plate 2 are fixed to the frame 3. To do. As shown in FIG. 4, the first metal plate 1 and the second metal plate 2 fix a fixed bent portion 17 that is bent inward to the outer peripheral surface of the horizontal frame 5 via a rivet 20. .

以上の製造工程では、一対の縦枠４と一対の横枠５を連結して四角形のフレーム３を作製した後、このフレーム３に第１の金属板１と第２の金属板２を固定している。ただ、図３に示すドアは、縦枠と横枠とを連結して四角形の枠体とすることなく、一対の縦枠と一対の横枠とを互いに連結しないバラの状態で第１の金属板と第２の金属板に固定することもできる。このドアは、図６に示す工程で、以下のようにして組み立てられる。   In the above manufacturing process, a pair of vertical frames 4 and a pair of horizontal frames 5 are connected to form a square frame 3, and then the first metal plate 1 and the second metal plate 2 are fixed to the frame 3. ing. However, the door shown in FIG. 3 does not connect the vertical frame and the horizontal frame to form a quadrangular frame, but the first metal in a rose state where the pair of vertical frames and the pair of horizontal frames are not connected to each other. It can also be fixed to the plate and the second metal plate. This door is assembled as follows in the process shown in FIG.

（１）第１の金属板１に縦枠４を固定する。
図６の（ａ）で示すように、第１の金属板１を、内面が上向きとなる状態で配置し、第１の金属板１の内面に接着剤を塗布する。戸先側の縦枠４Ａと戸尻側の縦枠４Ｂとを、第１の金属板１の定位置に固定する。戸先側の縦枠４Ａは、溝形の開口部４Ｚをドアの外側に向ける姿勢として、図の矢印Ａで示すように、幅の広い側壁４Ｙａを、第１の金属板１のＵ曲カバー部１１に挿入して、第１の金属板１の定位置に固定する。また、戸尻側の縦枠４Ｂは、溝形の開口部４Ｚをドアの内側に向ける姿勢として、図の矢印Ｂで示すように、底板４Ｘの外周面を第１の金属板１の内側折曲部１６に固定する。
以上の工程で、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの第１の表面に、接着剤を介して第１の金属板１が固定される。
（２）第１の金属板１に横枠５を固定する。
図６の（ｂ）で示すように、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの間に一対の横枠５を固定する。上枠５Ａと下枠５Ｂとからなる一対の横枠５は、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの上下端の間に位置して固定される。上枠５Ａと下枠５Ｂとからなる一対の横枠５は、接着剤を介して第１の金属板１の内面に固定される。
（３）フレーム３の内側に芯材７を充填する。
図６の（ｃ）で示すように、第１の金属板１に固定された一対の縦枠４と一対の横枠５からなる四角形のフレーム３の内側に芯材７を充填する。芯材７は、第１の金属板１の内面に塗布された接着剤を介して定位置に固定される。
（４）第２の金属板２をフレーム３に固定する。
第２の金属板２は、図６の（ｄ）で示すように、積層折曲部１５の先端を第１の金属板１の係止溝部１３に挿入して第１の金属板１に連結すると共に、戸先側の縦枠４Ａの開口部４Ｚをカバー折曲部１４で閉塞する状態で戸先側の縦枠４Ａに連結する。さらに、第２の金属板２は、図６の（ｅ）で示すように、反対側の内側折曲部１６を戸尻側の縦枠４Ｂの外周面に沿わせて縦枠４に連結する。この状態で、第２の金属板２は、カバー折曲部１４と内側折曲部１６とで両側の縦枠４を挟着する状態でフレーム３に連結される。第２の金属板２は、内面に接着剤を塗布しており、この接着剤を介して、縦枠４と横枠５とからなるフレーム３の第２の表面と、フレーム３の内側に充填された芯材７の表面に、第２の金属板２が固定される。
（５）第１の金属板１と第２の金属板２の上下をフレーム３に固定する。
フレーム３の両面に第１の金属板１と第２の金属板２を固定して、接着剤が硬化した後、第１の金属板１と第２の金属板２の上下をフレーム３に固定する。第１の金属板１と第２の金属板２は、図４に示すように、内側に折曲してなる固定折曲部１７を、リベット２０を介して横枠５の外周面に固定する。 (1) The vertical frame 4 is fixed to the first metal plate 1.
As shown in FIG. 6A, the first metal plate 1 is arranged with the inner surface facing upward, and an adhesive is applied to the inner surface of the first metal plate 1. The vertical frame 4 </ b> A on the door end side and the vertical frame 4 </ b> B on the door bottom side are fixed at fixed positions of the first metal plate 1. The vertical frame 4A on the door end side has a wide side wall 4Ya as a U-curve cover of the first metal plate 1 as shown by an arrow A in the posture in which the groove-shaped opening 4Z faces the outside of the door. It is inserted into the part 11 and fixed to a fixed position of the first metal plate 1. Further, the vertical frame 4B on the door bottom side is configured so that the groove-shaped opening 4Z faces the inside of the door, and the outer peripheral surface of the bottom plate 4X is folded inside the first metal plate 1 as shown by an arrow B in the figure. Fix to the curved portion 16.
Through the above steps, the first metal plate 1 is fixed to the first surfaces of the vertical frame 4A on the door end side and the vertical frame 4B on the door bottom side via an adhesive.
(2) The horizontal frame 5 is fixed to the first metal plate 1.
As shown in FIG. 6B, a pair of horizontal frames 5 is fixed between the vertical frame 4A on the door end side and the vertical frame 4B on the door bottom side. A pair of horizontal frames 5 composed of an upper frame 5A and a lower frame 5B is positioned and fixed between the upper and lower ends of the vertical frame 4A on the door end side and the vertical frame 4B on the door bottom side. A pair of horizontal frames 5 composed of an upper frame 5A and a lower frame 5B are fixed to the inner surface of the first metal plate 1 via an adhesive.
(3) The core material 7 is filled inside the frame 3.
As shown in FIG. 6C, a core material 7 is filled inside a rectangular frame 3 composed of a pair of vertical frames 4 and a pair of horizontal frames 5 fixed to the first metal plate 1. The core material 7 is fixed in place via an adhesive applied to the inner surface of the first metal plate 1.
(4) The second metal plate 2 is fixed to the frame 3.
As shown in FIG. 6D, the second metal plate 2 is connected to the first metal plate 1 by inserting the end of the laminated bent portion 15 into the locking groove portion 13 of the first metal plate 1. At the same time, the opening 4Z of the vertical frame 4A on the door-end side is connected to the vertical frame 4A on the door-end side in a state where the opening 4Z is closed by the cover bent portion 14. Further, as shown in FIG. 6E, the second metal plate 2 is connected to the vertical frame 4 along the outer peripheral surface of the vertical frame 4 </ b> B on the door bottom side with the inner bent portion 16 on the opposite side. . In this state, the second metal plate 2 is connected to the frame 3 in a state in which the vertical frames 4 on both sides are sandwiched between the cover bent portion 14 and the inner bent portion 16. The second metal plate 2 is coated with an adhesive on the inner surface, and the second surface of the frame 3 composed of the vertical frame 4 and the horizontal frame 5 and the inside of the frame 3 are filled through the adhesive. The second metal plate 2 is fixed to the surface of the core material 7 thus formed.
(5) The upper and lower sides of the first metal plate 1 and the second metal plate 2 are fixed to the frame 3.
The first metal plate 1 and the second metal plate 2 are fixed to both surfaces of the frame 3, and after the adhesive is cured, the upper and lower sides of the first metal plate 1 and the second metal plate 2 are fixed to the frame 3. To do. As shown in FIG. 4, the first metal plate 1 and the second metal plate 2 fix a fixed bent portion 17 that is bent inward to the outer peripheral surface of the horizontal frame 5 via a rivet 20. .

以上のドアは、目板６側の側壁４Ｙａを第１の金属板１のＵ曲カバー部１１に挿入しているが、ドアは、図７に示すように、目板６側の側壁４Ｙａとは反対側の側壁４Ｙｂを第１の金属板１のＵ曲カバー部１１に挿入する構造とすることができる。図７のドアは、戸先側の縦枠４Ａの一方の側壁４Ｙａを他方の側壁４Ｙｂから突出するように幅を広くして突出部４Ｔを目板６としており、この目板６となる幅の広い側壁４Ｙａを第２の金属板２でカバーし、反対側の幅の狭い側壁４Ｙｂを第１の金属板１でカバーしている。すなわち、このドアは、図７において、幅の狭い側壁４Ｙｂのあるドアの下面側を第１の表面として第１の金属板１を固定し、第１の表面と反対側の面である、図７において、幅の広い側壁４Ｙａのあるドアの上面側を第２の表面として第２の金属板２を固定している。   In the door described above, the side wall 4Ya on the side of the eye plate 6 is inserted into the U-curved cover portion 11 of the first metal plate 1, but the door is connected to the side wall 4Ya on the side of the eye plate 6 as shown in FIG. The side wall 4Yb on the opposite side can be inserted into the U-curved cover portion 11 of the first metal plate 1. The door shown in FIG. 7 is widened so that one side wall 4Ya of the vertical frame 4A on the door end side protrudes from the other side wall 4Yb, and the protruding portion 4T is used as the eye plate 6. The wide side wall 4 </ b> Ya is covered with the second metal plate 2, and the narrow side wall 4 </ b> Yb on the opposite side is covered with the first metal plate 1. That is, in FIG. 7, this door is a surface opposite to the first surface, with the first metal plate 1 fixed with the lower surface side of the door having the narrow side wall 4Yb as the first surface. 7, the second metal plate 2 is fixed with the upper surface side of the door having the wide side wall 4Ya as the second surface.

図７に示す第１の金属板１は、目板６側の側壁４Ｙａとは反対側の幅の狭い側壁４ＹｂをＵ曲カバー部１１に挿入して、この側壁４ＹｂをＵ曲カバー部１１でカバーしている。さらに、側壁４Ｙｂが挿入されるＵ曲カバー部１１は、内側に折り返した内側積層部１２の先端縁に沿って係止溝部１３を設けており、この係止溝部１３を側壁４Ｙｂの内側に配置している。   In the first metal plate 1 shown in FIG. 7, a narrow side wall 4Yb opposite to the side wall 4Ya on the side of the eyeplate 6 is inserted into the U-curved cover portion 11, and this side wall 4Yb is inserted into the U-curved cover portion 11. Covering. Further, the U-curved cover portion 11 into which the side wall 4Yb is inserted is provided with a locking groove portion 13 along the front end edge of the inner laminated portion 12 that is folded inward, and this locking groove portion 13 is disposed inside the side wall 4Yb. is doing.

図７に示す第２の金属板２は、戸先側の縦枠４Ａの表面、正確には、目板６となる側壁４Ｙａの表面からドアの外周面に沿うように折曲して、溝形である戸先側の縦枠４Ａの開口部４Ｚを閉塞している。第２の金属板２は、戸先側の側縁部を内側に折り返すように折曲して、目板６となる側壁４Ｙａの突出部４Ｔを挿入する折返挿入部１８を設けている。さらに、第２の金属板２は、この折返挿入部１８に挿入される側壁４Ｙａの突出部４Ｔの内側に積層される内側積層部１９の先端部を、戸先側の縦枠４Ａの開口部４Ｚに沿って直角に折曲して、溝形である戸先側の縦枠４Ａの溝形の開口部４Ｚを閉塞するカバー折曲部１４としている。さらに、カバー折曲部１４は、先端部を内側に折曲して、Ｕ曲カバー部１１の先端縁に設けている係止溝部１３に案内する積層折曲部１５としている。   The second metal plate 2 shown in FIG. 7 is bent along the outer peripheral surface of the door from the surface of the vertical frame 4A on the door-end side, more precisely, the surface of the side wall 4Ya that becomes the eye plate 6. The opening 4Z of the vertical frame 4A on the door-end side which is a shape is closed. The second metal plate 2 is provided with a folding insertion portion 18 that is bent so that the side edge portion on the door end side is folded inward, and the protruding portion 4T of the side wall 4Ya that becomes the eye plate 6 is inserted. Further, the second metal plate 2 has an opening portion of the vertical frame 4A on the door-end side as a front end portion of the inner laminated portion 19 laminated on the inner side of the protruding portion 4T of the side wall 4Ya inserted into the folded insertion portion 18. The cover is bent at a right angle along 4Z to form a cover bent portion 14 that closes the groove-shaped opening 4Z of the vertical frame 4A on the door-end side that is a groove shape. Further, the cover bent portion 14 is a laminated bent portion 15 that bends the tip end inward and guides it to the locking groove portion 13 provided at the tip edge of the U-curved cover portion 11.

図７のドアは、戸先側の縦枠４Ａの幅の狭い側壁４Ｙｂを第１の金属板１のＵ曲カバー部１１に挿入して、幅の広い側壁４Ｙａを第２の金属板２でカバーしているので、第１の金属板１のＵ曲カバー部１１は、目板６の先端よりもドアの内側に位置している。すなわち、幅の広い側壁４Ｙａを挿入している第２の金属板２の折返挿入部１８が、ドアの外周面から外側に突出して目板６となっている。   In the door of FIG. 7, the narrow side wall 4 </ b> Yb of the vertical frame 4 </ b> A on the door end side is inserted into the U-curved cover portion 11 of the first metal plate 1, and the wide side wall 4 </ b> Ya is replaced with the second metal plate 2. Since it is covered, the U-curved cover portion 11 of the first metal plate 1 is located inside the door with respect to the tip of the eye plate 6. That is, the folded back insertion portion 18 of the second metal plate 2 into which the wide side wall 4Ya is inserted protrudes outward from the outer peripheral surface of the door to form the eye plate 6.

図７に示すドアは、以下のようにして組み立てられる。
（１）縦枠４と横枠５を連結してフレーム３を作製する。
戸先側の縦枠４Ａと戸尻側の縦枠４Ｂからなる一対の縦枠４の上下に、上枠５Ａと下枠５Ｂとからなる一対の横枠５を連結して四角形の枠体であるフレーム３を作製する。フレーム３は、図７に示すように、溝形である戸先側の縦枠４Ａの開口部４Ｚをドアの外側に向ける姿勢として連結する。
（２）第１の金属板１をフレーム３の第１の表面に固定する。
第１の金属板１は、図８の（ａ）で示すように、Ｕ曲カバー部１１に戸先側の縦枠４Ａの幅の狭い側壁４Ｙｂを挿入して戸先側の縦枠４Ａに連結し、図８の（ｂ）で示すように、反対側の内側折曲部１６を戸尻側の縦枠４Ｂの外周面に沿わせて縦枠４に連結する。第１の金属板１は、Ｕ曲カバー部１１と内側折曲部１６とで両側の縦枠４を挟着する状態でフレーム３に連結される。第１の金属板１は、内面に接着剤を塗布しており、この接着剤を介して、四角形に枠組してなるフレーム３の第１の表面に、第１の金属板１が固定される。
（３）フレーム３の内側に芯材７を充填する。
図８の（ｃ）で示すように、第１の金属板１が固定されたフレーム３の内側に芯材７を充填する。芯材７は、第１の金属板１の内面に塗布された接着剤を介して定位置に固定される。
（４）第２の金属板２をフレーム３の第２の表面に固定する。
第２の金属板２は、図８の（ｄ）で示すように、戸先側の縦枠４Ａの幅の広い側壁４Ｙａを折返挿入部１８に挿入して戸先側の縦枠４Ａに連結すると共に、積層折曲部１５の先端を第１の金属板１の係止溝部１３に挿入して第１の金属板１に連結する。さらに、第２の金属板２は、図８の（ｅ）で示すように、反対側の内側折曲部１６を戸尻側の縦枠４Ｂの外周面に沿わせて縦枠４に連結する。この状態で、第２の金属板２は、折返挿入部１８と内側折曲部１６とで両側の縦枠４を挟着する状態でフレーム３に連結される。第２の金属板２は、内面に接着剤を塗布しており、この接着剤を介して、四角形に枠組してなるフレーム３の第２の表面と、フレーム３の内側に充填された芯材７の表面に、第２の金属板２が固定される。
（５）第１の金属板１と第２の金属板２の上下をフレーム３に固定する。
フレーム３の両面に第１の金属板１と第２の金属板２を固定して、接着剤が硬化した後、第１の金属板１と第２の金属板２の上下をフレーム３に固定する。第１の金属板１と第２の金属板２は、図４に示すように、内側に折曲してなる固定折曲部１７を、リベット２０を介して横枠５の外周面に固定する。 The door shown in FIG. 7 is assembled as follows.
(1) The frame 3 is manufactured by connecting the vertical frame 4 and the horizontal frame 5.
A rectangular frame body is formed by connecting a pair of horizontal frames 5 consisting of an upper frame 5A and a lower frame 5B to the top and bottom of a pair of vertical frames 4 consisting of a vertical frame 4A on the door end side and a vertical frame 4B on the door bottom side. A certain frame 3 is produced. As shown in FIG. 7, the frame 3 is connected in a posture in which the opening 4 </ b> Z of the door-side vertical frame 4 </ b> A that is a groove shape faces the outside of the door.
(2) The first metal plate 1 is fixed to the first surface of the frame 3.
As shown in FIG. 8 (a), the first metal plate 1 is inserted into the U-curve cover portion 11 by inserting the narrow side wall 4Yb of the vertical frame 4A on the door-end side into the vertical frame 4A on the door-end side. As shown in FIG. 8B, the inner bent portion 16 on the opposite side is connected to the vertical frame 4 along the outer peripheral surface of the vertical frame 4B on the door bottom side. The first metal plate 1 is connected to the frame 3 in a state where the vertical frames 4 on both sides are sandwiched between the U-curved cover portion 11 and the inner bent portion 16. The first metal plate 1 is coated with an adhesive on the inner surface, and the first metal plate 1 is fixed to the first surface of the frame 3 formed in a quadrangular frame via the adhesive. .
(3) The core material 7 is filled inside the frame 3.
As shown in FIG. 8C, the core material 7 is filled inside the frame 3 to which the first metal plate 1 is fixed. The core material 7 is fixed in place via an adhesive applied to the inner surface of the first metal plate 1.
(4) The second metal plate 2 is fixed to the second surface of the frame 3.
As shown in FIG. 8D, the second metal plate 2 is connected to the vertical frame 4A on the door-end side by inserting the wide side wall 4Ya of the vertical frame 4A on the door-end side into the folding insertion portion 18. At the same time, the leading end of the laminated bent portion 15 is inserted into the locking groove portion 13 of the first metal plate 1 and connected to the first metal plate 1. Further, as shown in FIG. 8E, the second metal plate 2 is connected to the vertical frame 4 along the outer peripheral surface of the vertical frame 4 </ b> B on the door bottom side with the inner bent portion 16 on the opposite side. . In this state, the second metal plate 2 is connected to the frame 3 in a state in which the vertical frames 4 on both sides are sandwiched between the folded insertion portion 18 and the inner bent portion 16. The second metal plate 2 has an adhesive applied to the inner surface, and a core material filled inside the frame 3 with the second surface of the frame 3 formed into a quadrangular frame through the adhesive. The second metal plate 2 is fixed to the surface of 7.
(5) The upper and lower sides of the first metal plate 1 and the second metal plate 2 are fixed to the frame 3.
The first metal plate 1 and the second metal plate 2 are fixed to both surfaces of the frame 3, and after the adhesive is cured, the upper and lower sides of the first metal plate 1 and the second metal plate 2 are fixed to the frame 3. To do. As shown in FIG. 4, the first metal plate 1 and the second metal plate 2 fix a fixed bent portion 17 that is bent inward to the outer peripheral surface of the horizontal frame 5 via a rivet 20. .

以上の製造工程では、一対の縦枠４と一対の横枠５を連結して四角形のフレーム３を作製した後、このフレーム３に第１の金属板１と第２の金属板２を固定している。ただ、図７に示すドアも、縦枠と横枠とを連結して四角形の枠体とすることなく、一対の縦枠と一対の横枠とを互いに連結しないバラの状態で第１の金属板と第２の金属板に固定することができる。このドアは、図９に示す工程で、以下のようにして組み立てられる。   In the above manufacturing process, a pair of vertical frames 4 and a pair of horizontal frames 5 are connected to form a square frame 3, and then the first metal plate 1 and the second metal plate 2 are fixed to the frame 3. ing. However, the door shown in FIG. 7 does not connect the vertical frame and the horizontal frame to form a quadrangular frame body, and the first metal in a rose state where the pair of vertical frames and the pair of horizontal frames are not connected to each other. It can be fixed to the plate and the second metal plate. This door is assembled as follows in the process shown in FIG.

（１）第１の金属板１に縦枠４を固定する。
図９の（ａ）で示すように、第１の金属板１を、内面が上向きとなる状態で配置し、第１の金属板１の内面に接着剤を塗布する。戸先側の縦枠４Ａと戸尻側の縦枠４Ｂとを、第１の金属板１の定位置に固定する。戸先側の縦枠４Ａは、溝形の開口部４Ｚをドアの外側に向ける姿勢として、図の矢印Ａで示すように、幅の狭い側壁４Ｙｂを、第１の金属板１のＵ曲カバー部１１に挿入して、第１の金属板１の定位置に固定する。また、戸尻側の縦枠４Ｂは、溝形の開口部４Ｚをドアの内側に向ける姿勢として、図の矢印Ｂで示すように、底板４Ｘの外周面を第１の金属板１の内側折曲部１６に固定する。
以上の工程で、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの第１の表面に、接着剤を介して第１の金属板１が固定される。
（２）第１の金属板１に横枠５を固定する。
図９の（ｂ）で示すように、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの間に一対の横枠５を固定する。上枠５Ａと下枠５Ｂとからなる一対の横枠５は、戸先側の縦枠４Ａと戸尻側の縦枠４Ｂの上下端の間に位置して固定される。上枠５Ａと下枠５Ｂとからなる一対の横枠５は、接着剤を介して第１の金属板１の内面に固定される。
（３）フレーム３の内側に芯材７を充填する。
図９の（ｃ）で示すように、第１の金属板１に固定された一対の縦枠４と一対の横枠５からなる四角形のフレーム３の内側に芯材７を充填する。芯材７は、第１の金属板１の内面に塗布された接着剤を介して定位置に固定される。
（４）第２の金属板２をフレーム３に固定する。
第２の金属板２は、図９の（ｄ）で示すように、戸先側の縦枠４Ａの幅の広い側壁４Ｙａを折返挿入部１８に挿入して戸先側の縦枠４Ａに連結すると共に、積層折曲部１５の先端を第１の金属板１の係止溝部１３に挿入して第１の金属板１に連結する。さらに、第２の金属板２は、図９の（ｅ）で示すように、反対側の内側折曲部１６を戸尻側の縦枠４Ｂの外周面に沿わせて縦枠４に連結する。この状態で、第２の金属板２は、折返挿入部１８と内側折曲部１６とで両側の縦枠４を挟着する状態でフレーム３に連結される。第２の金属板２は、内面に接着剤を塗布しており、この接着剤を介して、縦枠４と横枠５とからなるフレーム３の第２の表面と、フレーム３の内側に充填された芯材７の表面に、第２の金属板２が固定される。
（５）第１の金属板１と第２の金属板２の上下をフレーム３に固定する。
フレーム３の両面に第１の金属板１と第２の金属板２を固定して、接着剤が硬化した後、第１の金属板１と第２の金属板２の上下をフレーム３に固定する。第１の金属板１と第２の金属板２は、図４に示すように、内側に折曲してなる固定折曲部１７を、リベット２０を介して横枠５の外周面に固定する。 (1) The vertical frame 4 is fixed to the first metal plate 1.
As shown in FIG. 9A, the first metal plate 1 is disposed with the inner surface facing upward, and an adhesive is applied to the inner surface of the first metal plate 1. The vertical frame 4 </ b> A on the door end side and the vertical frame 4 </ b> B on the door bottom side are fixed at fixed positions of the first metal plate 1. The vertical frame 4A on the door side has a narrow side wall 4Yb as a U-curve cover of the first metal plate 1, as shown by an arrow A in the figure, with the groove-shaped opening 4Z facing the outside of the door. It is inserted into the part 11 and fixed to a fixed position of the first metal plate 1. Further, the vertical frame 4B on the door bottom side is configured so that the groove-shaped opening 4Z faces the inside of the door, and the outer peripheral surface of the bottom plate 4X is folded inside the first metal plate 1 as shown by an arrow B in the figure. Fix to the curved portion 16.
Through the above steps, the first metal plate 1 is fixed to the first surfaces of the vertical frame 4A on the door end side and the vertical frame 4B on the door bottom side via an adhesive.
(2) The horizontal frame 5 is fixed to the first metal plate 1.
As shown in FIG. 9B, a pair of horizontal frames 5 are fixed between the vertical frame 4A on the door end side and the vertical frame 4B on the door bottom side. A pair of horizontal frames 5 composed of an upper frame 5A and a lower frame 5B is positioned and fixed between the upper and lower ends of the vertical frame 4A on the door end side and the vertical frame 4B on the door bottom side. A pair of horizontal frames 5 composed of an upper frame 5A and a lower frame 5B are fixed to the inner surface of the first metal plate 1 via an adhesive.
(3) The core material 7 is filled inside the frame 3.
As shown in (c) of FIG. 9, a core material 7 is filled inside a quadrangular frame 3 composed of a pair of vertical frames 4 and a pair of horizontal frames 5 fixed to the first metal plate 1. The core material 7 is fixed in place via an adhesive applied to the inner surface of the first metal plate 1.
(4) The second metal plate 2 is fixed to the frame 3.
As shown in FIG. 9 (d), the second metal plate 2 is connected to the door-side vertical frame 4A by inserting the wide side wall 4Ya of the door-side vertical frame 4A into the folding insertion portion 18. At the same time, the leading end of the laminated bent portion 15 is inserted into the locking groove portion 13 of the first metal plate 1 and connected to the first metal plate 1. Further, as shown in FIG. 9E, the second metal plate 2 is connected to the vertical frame 4 along the outer peripheral surface of the vertical frame 4B on the door butt side with the inner bent portion 16 on the opposite side. . In this state, the second metal plate 2 is connected to the frame 3 in a state in which the vertical frames 4 on both sides are sandwiched between the folded insertion portion 18 and the inner bent portion 16. The second metal plate 2 is coated with an adhesive on the inner surface, and the second surface of the frame 3 composed of the vertical frame 4 and the horizontal frame 5 and the inside of the frame 3 are filled through the adhesive. The second metal plate 2 is fixed to the surface of the core material 7 thus formed.
(5) The upper and lower sides of the first metal plate 1 and the second metal plate 2 are fixed to the frame 3.
The first metal plate 1 and the second metal plate 2 are fixed to both surfaces of the frame 3, and after the adhesive is cured, the upper and lower sides of the first metal plate 1 and the second metal plate 2 are fixed to the frame 3. To do. As shown in FIG. 4, the first metal plate 1 and the second metal plate 2 fix a fixed bent portion 17 that is bent inward to the outer peripheral surface of the horizontal frame 5 via a rivet 20. .

さらに、ドアは必ずしもフレーム３の側壁４Ｙで目板を構成する必要なく、たとえば、目板を別部材としてドアに固定することもできる。このドアは、図１０に示すように、戸先側の縦枠４Ａに設けている一対の側壁４Ｙの幅を同じとする。図のドアは、戸先側の縦枠４Ａの一対の側壁４Ｙの幅を等しくしているので、一方の側壁４Ｙが挿入される第１の金属板１のＵ曲カバー部１１の先端と、他方の側壁４Ｙの表面からドアの外周面に沿って折曲される第２の金属板２のカバー折曲部１４とが同一面に位置している。このドアは、フレーム３の表面に第１の金属板１と第２の金属板２とを固定した後、図に示すように、別部材である目板部材２１をドアの戸先側に固定して、目板６を設ける。   Furthermore, the door does not necessarily need to form the eye plate with the side wall 4Y of the frame 3. For example, the eye plate can be fixed to the door as a separate member. In this door, as shown in FIG. 10, the width of a pair of side walls 4Y provided in the vertical frame 4A on the door end side is the same. The door in the figure has the same width of the pair of side walls 4Y of the vertical frame 4A on the door end side, so that the front end of the U-curved cover portion 11 of the first metal plate 1 into which one side wall 4Y is inserted, The cover bent portion 14 of the second metal plate 2 bent along the outer peripheral surface of the door from the surface of the other side wall 4Y is located on the same plane. In this door, after fixing the first metal plate 1 and the second metal plate 2 to the surface of the frame 3, as shown in the figure, a separate plate member 21 is fixed to the door end side of the door. Then, the eye plate 6 is provided.

１…第１の金属板
２…第２の金属板
３…フレーム
４…縦枠 ４Ａ…戸先側の縦枠
４Ｂ…戸尻側の縦枠
４Ｔ…突出部
４Ｘ…底板
４Ｙ…側壁
４Ｙａ…側壁
４Ｙｂ…側壁
４Ｚ…開口部
５…横枠 ５Ａ…上枠
５Ｂ…下枠
６…目板
７…芯材
１１…Ｕ曲カバー部
１２…内側積層部
１３…係止溝部
１４…カバー折曲部
１５…積層折曲部
１６…内側折曲部
１７…固定折曲部
１８…折返挿入部
１９…内側積層部
２０…リベット
２１…目板部材
９１…第１の金属板
９２…第２の金属板
９３…連結凸条
９４…連結溝 DESCRIPTION OF SYMBOLS 1 ... 1st metal plate 2 ... 2nd metal plate 3 ... Frame 4 ... Vertical frame 4A ... Vertical frame on the door-end side
4B ... Vertical frame on the Tojiri side
4T ... Projection
4X ... Bottom plate
4Y ... sidewall
4Ya ... sidewall
4Yb ... sidewall
4Z ... Opening 5 ... Horizontal frame 5A ... Upper frame
5B ... lower frame 6 ... eye plate 7 ... core material 11 ... U-curved cover portion 12 ... inner laminated portion 13 ... locking groove portion 14 ... cover bent portion 15 ... laminated bent portion 16 ... inner bent portion 17 ... fixed fold Curved portion 18 ... Folding insertion portion 19 ... Inner laminated portion 20 ... Rivet 21 ... Eye plate member 91 ... First metal plate 92 ... Second metal plate 93 ... Connecting protrusion 94 ... Connecting groove

Claims (4)

ドアの戸先側に内蔵してなる断面形状を溝形とする戸先側の縦枠(4A)と、ドアの戸尻側に内蔵してなる戸尻側の縦枠(4B)と、戸先側の縦枠(4A)と戸尻側の縦枠(4B)の第１の表面に固定している第１の金属板(1)と、第１の表面と反対側の面である第２の表面に固定している第２の金属板(2)とを備え、
前記戸先側の縦枠(4A)は、底板(4X)の両側に側壁(4Y)を設けてなる溝形であって、溝形の開口部(4Z)をドアの外側に向ける姿勢として第１の金属板(1)と第２の金属板(2)の間に配設され、
前記第１の金属板(1)は、戸先側の縦枠(4A)の一方の側壁(4Y)を挿入するＵ曲カバー部(11)を備え、さらにこのＵ曲カバー部(11)は、内側に折り返した内側積層部(12)の先端縁に係止溝部(13)を設けて、係止溝部(13)を側壁(4Y)の内側に配置しており、
前記第２の金属板(2)は、戸先側の縦枠(4A)の表面から内側に折曲されて、溝形である戸先側の縦枠(4A)の溝形の開口部(4Z)を閉塞するカバー折曲部(14)を有し、このカバー折曲部(14)は先端部を内側に折曲して、前記Ｕ曲カバー部(11)の係止溝部(13)に案内される積層折曲部(15)としており、
さらに、前記第１の金属板(1)と第２の金属板(2)の戸尻側は、戸尻側の縦枠(4B)の外周面に沿うように折曲してなる内側折曲部(16)を有し、
前記第１の金属板(1)のＵ曲カバー部(11)に戸先側の縦枠(4A)の側壁(4Y)が挿入されて、第１の金属板(1)が戸先側の縦枠(4A)に連結され、第２の金属板(2)の積層折曲部(15)の先端が第１の金属板(1)の係止溝部(13)に挿入されて、第２の金属板(2)が第１の金属板(1)に連結され、
さらに、第１の金属板(1)と第２の金属板(2)の内側折曲部(16)を戸尻側の縦枠(4B)の外周面に沿わせて、第１の金属板(1)と第２の金属板(2)とが縦枠(4)に連結されてなるドア。 A door-side vertical frame (4A) with a groove-shaped cross section built in the door-end side of the door, a door-side vertical frame (4B) built-in on the door-end side of the door, and a door The first metal plate (1) fixed to the first surface of the vertical frame (4A) on the front side and the vertical frame (4B) on the door bottom side, and the first metal plate (1) which is the surface opposite to the first surface A second metal plate (2) fixed to the surface of 2,
The vertical frame (4A) on the door end side is a groove shape in which side walls (4Y) are provided on both sides of the bottom plate (4X), and the groove-shaped opening (4Z) is oriented to face the outside of the door. Between the first metal plate (1) and the second metal plate (2),
The first metal plate (1) includes a U-curved cover portion (11) for inserting one side wall (4Y) of the vertical frame (4A) on the door end side, and the U-curved cover portion (11) further includes The inner grooved portion (12) folded inward has a locking groove (13) at the tip edge, and the locking groove (13) is arranged inside the side wall (4Y),
The second metal plate (2) is bent inward from the surface of the door-side vertical frame (4A) to form a groove-shaped opening ( 4Z) has a cover bent portion (14), and this cover bent portion (14) is bent at the tip end inward, and the locking groove portion (13) of the U-curved cover portion (11). It is a laminated bent part (15) guided by
Further, the door bottom side of the first metal plate (1) and the second metal plate (2) is bent along the outer peripheral surface of the vertical frame (4B) on the door bottom side. Part (16),
The side wall (4Y) of the vertical frame (4A) on the door tip side is inserted into the U-curved cover portion (11) of the first metal plate (1), and the first metal plate (1) is on the door tip side. The end of the laminated bent portion (15) of the second metal plate (2) is inserted into the locking groove portion (13) of the first metal plate (1), and connected to the vertical frame (4A). The metal plate (2) is connected to the first metal plate (1),
Furthermore, the first metal plate (1) and the inner metal bent portion (16) of the second metal plate (2) are aligned with the outer peripheral surface of the vertical frame (4B) on the door bottom side, so that the first metal plate A door in which (1) and a second metal plate (2) are connected to a vertical frame (4). 前記戸先側の縦枠(4A)が、前記第１の金属板(1)のＵ曲カバー部(11)に挿入してなる一方の側壁(4Ya)を他方の側壁(4Yb)から突出するように幅を広くして突出部(4T)を目板(6)としている請求項１に記載されるドア。   The door side vertical frame (4A) projects from one side wall (4Ya) inserted into the U-curved cover portion (11) of the first metal plate (1) from the other side wall (4Yb). The door according to claim 1, wherein the door is widened and the projecting portion (4 T) is used as the eye plate (6). 前記戸先側の縦枠(4A)と戸尻側の縦枠(4B)の上下を横枠(5)で連結しており、前記第１の金属板(1)と第２の金属板(2)を横枠(5)の外周面に沿って内側に折曲して固定折曲部(17)を横枠(5)の外周面に固定してなる請求項１に記載されるドア。   The vertical frame (4A) on the door-end side and the vertical frame (4B) on the door-end side are connected by a horizontal frame (5), and the first metal plate (1) and the second metal plate ( The door according to claim 1, wherein 2) is bent inward along the outer peripheral surface of the horizontal frame (5), and the fixed bent portion (17) is fixed to the outer peripheral surface of the horizontal frame (5). 第１の金属板(1)と第２の金属板(2)の固定折曲部(17)を、溶接、リベット(20)、接着のいずれかで横枠(5)の外周面に固定している請求項３に記載されるドア。   The fixed bent part (17) of the first metal plate (1) and the second metal plate (2) is fixed to the outer peripheral surface of the horizontal frame (5) by welding, rivet (20) or bonding. The door according to claim 3.
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JP2013136894A (en) * 2011-12-28 2013-07-11 Sanwa Shutter Corp Door body
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