JP6068875B2 - Vertical frame structure of door frame - Google Patents

Vertical frame structure of door frame Download PDF

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JP6068875B2
JP6068875B2 JP2012190117A JP2012190117A JP6068875B2 JP 6068875 B2 JP6068875 B2 JP 6068875B2 JP 2012190117 A JP2012190117 A JP 2012190117A JP 2012190117 A JP2012190117 A JP 2012190117A JP 6068875 B2 JP6068875 B2 JP 6068875B2
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JP2014047503A (en
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好夫 岡田
好夫 岡田
典之 持田
典之 持田
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Sanwa Shutter Corp
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本発明は、ドア枠の縦枠構造に係り、詳しくは、左右の縦枠と上下枠を四周状に接続してなるドア枠の縦枠の構造に関するものである。 The present invention relates to a vertical frame structure of a door frame, and more particularly, to a vertical frame structure of a door frame formed by connecting left and right vertical frames and an upper and lower frame in a quadrilateral shape.

建物開口部を開閉するドア装置は、当該開口部を形成するドア枠と、ドア枠に対して回動可能に取り付けられた扉体と、からなる。ドア枠は、水平状の上枠、水平状の下枠、垂直状の左右の縦枠を、これらの枠材の端部同士を互いに溶接等することで四周状に組み立てられている。 A door device that opens and closes a building opening includes a door frame that forms the opening, and a door that is rotatably attached to the door frame. The door frame is assembled in a quadrilateral shape by welding the end portions of these frame members to each other, such as a horizontal upper frame, a horizontal lower frame, and vertical left and right vertical frames.

通常、ドア枠の各枠は、１枚の板材を所定の断面形状に折り曲げ成形して得られる１部材から構成されるが、ドア枠の見込寸法が大きくなると１枚の板材を用いた所望の成形が困難となる場合があり、各枠を、平面視において見込方向に短い２部材を接続してなるいわゆる繋ぎ枠を用いることがある。図１１には、第１部材５´と第２部材６´とを接続してなる縦枠２´、第１部材７と第２部材８とを接続してなる上枠３が記載されている。第１部材５´と第２部材６´の上端縁は全て一致している。このような繋ぎ枠は、特許文献１にも開示されている。 Normally, each frame of the door frame is composed of one member obtained by bending a single plate material into a predetermined cross-sectional shape. However, when the expected size of the door frame is increased, a desired one using a single plate material is used. In some cases, forming may be difficult, and so-called connecting frames may be used in which each frame is formed by connecting two members that are short in the expected direction in plan view. FIG. 11 shows a vertical frame 2 ′ formed by connecting the first member 5 ′ and the second member 6 ′, and an upper frame 3 formed by connecting the first member 7 and the second member 8. . The upper end edges of the first member 5 'and the second member 6' all coincide. Such a connecting frame is also disclosed in Patent Document 1.

繋ぎ枠において、２部材の連結は、当該部材の長さ方向に間隔をおいて溶接を施すことで行われる。このような溶接による２部材の連結は、十分な強度をドア枠に付与するものではあるが、建物躯体の開口部を形成するドア枠には圧縮荷重が作用するため、ドア枠の縦枠の連結部位等が圧縮荷重の影響を受ける可能性がある。 In the connecting frame, the two members are connected by welding at intervals in the length direction of the members. The connection of the two members by such welding provides sufficient strength to the door frame, but a compressive load acts on the door frame forming the opening of the building frame. There is a possibility that the connecting part and the like are affected by the compressive load.

したがって、想定以上の圧縮荷重がドア枠に作用した場合であっても、特にドア枠の縦枠が変形しないような手立てを講じておくことが望ましい。繋ぎ枠である縦枠の強度を向上させる手段としては、枠を形成する板材の厚さを大きくする、枠の断面形状に特徴を持たせることで強度を付与する、溶接の間隔を短くする等が考えられるが、これらの手段は、作業性の低下、生産コストの上昇を招くといった不具合がある。
特開２００４−６０３８１ Accordingly, it is desirable to take measures to prevent the vertical frame of the door frame from being deformed even when a compressive load more than expected is applied to the door frame. As means for improving the strength of the vertical frame, which is a connecting frame, the thickness of the plate material forming the frame is increased, the strength is given by giving the cross-sectional shape of the frame a characteristic, the welding interval is shortened, etc. However, these means have problems such as reduced workability and increased production costs.
JP 2004-60381 A

本発明は、シンプルな構成でありながら、圧縮荷重がドア枠に作用した時の縦枠の変形を防止することを目的とする。 An object of the present invention is to prevent a vertical frame from being deformed when a compressive load is applied to a door frame while having a simple configuration.

本発明が採用した技術手段は、
気密部材を装着する溝部を備えたドア枠の縦枠構造において、
前記縦枠は、縦枠の見込方向の第１側部位を構成する第１部材と、縦枠の見込方向の第２側部位を構成する第２部材と、を連結して形成されており、
前記第１部材は、見込方向に延びる第１見込辺を有し、第１見込辺の第２側の端部に前記溝部の第１側面となる先端片が形成されており、前記先端片に隣接する第１見込辺の第２側の部位が連結部位となっており、
前記第２部材は、見込方向に延びる第２見込辺と、第２見込辺の第１側の端部から見付方向に延びる見付辺と、当該見付辺から見込方向に第１側に延びる第３見込辺と、を有し、
前記第１部材と前記第２部材とは、前記第２部材の第３見込辺を、前記先端片を残すようにして第１部材の第１見込辺の前記連結部位に連結することで、連結されており、前記第２部材の第２見込辺の第１側の部位が前記溝部の第２側面、前記見付辺が前記溝部の底面を形成しており、
前記第２部材の第２見込辺、見付辺、第３見込辺の上端縁は第１の高さ位置にあり、前記第１部材の第１見込辺の上端縁は、少なくとも前記連結部位を含む部位において、前記第１の高さ位置よりも低い第２の高さ位置にある、ドア枠の縦枠の構造、である。
１つの態様では、第１部材の他の部位の上端縁は、第１の高さ位置にある。
典型的には、第１部材の連結部位と第２部材の第３見込辺は高さ方向に間隔を設けた複数個所の溶接によって連結される。 The technical means adopted by the present invention are:
In the vertical frame structure of the door frame provided with a groove part for mounting an airtight member,
The vertical frame is formed by connecting a first member constituting a first side portion of the vertical frame in the expected direction and a second member constituting a second side portion of the vertical frame in the expected direction,
The first member has a first prospect side extending in a prospect direction, a tip piece serving as a first side surface of the groove is formed on a second side end portion of the first prospect side, and the tip piece includes The site on the second side of the adjacent first expected side is a connected site,
The second member has a second expected side extending in the expected direction, a found side extending in the found direction from the first side end of the second expected side, and the first side from the found side in the expected direction. A third expected side extending,
The first member and the second member are connected by connecting the third expected side of the second member to the connecting portion of the first expected side of the first member so as to leave the tip piece. The first side portion of the second prospect side of the second member is the second side surface of the groove portion, and the finding side forms the bottom surface of the groove portion,
The second edge of the second member, the edge to be found, and the upper edge of the third edge of the third member are at the first height position, and the edge of the first edge of the first member has at least the connecting portion. In the part to include, it is the structure of the vertical frame of a door frame in the 2nd height position lower than the 1st height position.
In one aspect, the upper end edge of the other site | part of a 1st member exists in a 1st height position.
Typically, the connection part of the first member and the third expected side of the second member are connected by welding at a plurality of locations spaced in the height direction.

１つの態様では、前記第２部材の第２見込辺、見付辺、第３見込辺の下端縁は第３の高さ位置にあり、前記第１部材の第１見込辺の下端縁は、少なくとも第２部材の第３見込辺に連結されている部位（重なっている部位）を含む部位において、前記第３の高さ位置よりも高い第４の高さ位置にある。
１つの態様では、第１部材の他の部位の下端縁は、第３の高さ位置にある。 In one aspect, the lower edge of the second expected side, the second edge of the second member, and the lower edge of the third expected edge are at a third height position, and the lower edge of the first expected edge of the first member is At least a part including a part (overlapping part) connected to the third expected side of the second member is at a fourth height position higher than the third height position.
In one aspect, the lower end edge of the other site | part of a 1st member exists in a 3rd height position.

本発明では、第１部材の上端縁の所定部位（少なくとも連結部位を含む部位）を切り欠いて、切り欠き部位の上端縁の高さを他の部位の高さよりも低くすることで、縦枠の上端縁にかかる圧縮荷重を第２部材へ逃がし、第１部材にかかる荷重を軽減し、第１部材の第１見込辺の変形を防止し、もって、第１見込辺の先端の溝部の第１側面を形成する先端片が変形することを可及的に防止する。 In the present invention, the vertical frame is obtained by notching a predetermined portion (a portion including at least the connecting portion) of the upper end edge of the first member and making the height of the upper end edge of the notched portion lower than the height of the other portion. The compression load applied to the upper end edge of the first member is released to the second member, the load applied to the first member is reduced, the deformation of the first expected side of the first member is prevented, and the As much as possible, the tip piece forming one side surface is prevented from being deformed.

さらに、第１部材の下端縁の所定部位（少なくとも連結部位を含む部位）を切り欠いて、切り欠き部位の下端縁の高さを他の部位の高さよりも高くすることで、縦枠の下端縁に下方からかかる反力を第２部材へ逃がし、第１部材にかかる力を軽減し、第１部材の第１見込辺の変形を防止し、もって、第１見込辺の先端の溝部の第１側面を形成する先端片の変形を可及的に防止する。 Furthermore, the lower end of the vertical frame is formed by notching a predetermined portion (a portion including at least a connecting portion) of the lower end edge of the first member and making the height of the lower end edge of the notched portion higher than the height of the other portions. The reaction force applied to the edge from below is released to the second member, the force applied to the first member is reduced, the deformation of the first expected side of the first member is prevented, and the The deformation of the tip piece forming one side is prevented as much as possible.

ドア装置の縦断面図である。It is a longitudinal cross-sectional view of a door apparatus. ドア装置の横断面図である。It is a cross-sectional view of a door device. ドア枠の部分平面図、部分正面図、部分底面図、部分縦断面図、である。It is the partial top view of a door frame, a partial front view, a partial bottom view, and a partial longitudinal cross-sectional view. 第１の実施形態に係る縦枠の上方部位、上枠の端部をそれぞれ示す部分斜視図である。It is a fragmentary perspective view which shows the upper part of the vertical frame which concerns on 1st Embodiment, and the edge part of an upper frame, respectively. 第１の実施形態に係る縦枠の外方から見た図、内方から見た図、である。It is the figure seen from the outer side of the vertical frame which concerns on 1st Embodiment, and the figure seen from the inner side. 第１の実施形態に係る縦枠の平面図、縦枠の上方部位の斜視図、縦枠の上方部位を内方から見た図である。It is the top view of the vertical frame which concerns on 1st Embodiment, the perspective view of the upper part of a vertical frame, and the figure which looked at the upper part of the vertical frame from the inside. 第１の実施形態に係る縦枠の底面図、縦枠の下方部位を内方から見た図である。It is the bottom view of the vertical frame which concerns on 1st Embodiment, and the figure which looked at the downward part of the vertical frame from the inside. 第２の実施形態に係る縦枠の上方部位、上枠の端部をそれぞれ示す部分斜視図である。It is a fragmentary perspective view which shows the upper part of the vertical frame which concerns on 2nd Embodiment, and the edge part of an upper frame, respectively. 第２の実施形態に係る縦枠の平面図、縦枠の上方部位の斜視図、縦枠の上方部位を内方から見た図である。It is the top view of the vertical frame which concerns on 2nd Embodiment, the perspective view of the upper part of a vertical frame, and the figure which looked at the upper part of the vertical frame from the inside. 第２の実施形態に係る縦枠の底面図、縦枠の下方部位を内方から見た図である。It is the bottom view of the vertical frame which concerns on 2nd Embodiment, and the figure which looked at the downward part of the vertical frame from the inside. 従来の縦枠の上方部位、上枠の端部をそれぞれ示す部分斜視図である。It is a fragmentary perspective view which shows the upper part of the conventional vertical frame, and the edge part of an upper frame, respectively.

図１はドア装置の縦断面図、図２はドア装置の横断面図であり、ドア装置は、ドア枠と、ドア枠に対して回動可能に取り付けられた扉体１とからなる。ドア枠は、左右の縦枠２（戸先側縦枠、戸尻側縦枠）と、上枠３と、下枠４から四周枠状に組み立てられる。典型的には、左右の縦枠２の上端を上枠３の長さ方向端部にそれぞれ当接させて当該当接部位を溶接し、左右の縦枠２の下端を下枠４の長さ方向端部にそれぞれ当接させて当該当接部位を溶接する。四周枠状のドア枠を建物の躯体に組み込むことで、当該ドア枠によって建物開口部が形成されている。 FIG. 1 is a longitudinal sectional view of the door device, and FIG. 2 is a transverse sectional view of the door device. The door device includes a door frame and a door body 1 that is rotatably attached to the door frame. The door frame is assembled in a quadrilateral frame shape from the left and right vertical frames 2 (door tip side vertical frame, door bottom side vertical frame), upper frame 3 and lower frame 4. Typically, the upper ends of the left and right vertical frames 2 are brought into contact with the lengthwise ends of the upper frame 3 to weld the contact portions, and the lower ends of the left and right vertical frames 2 are connected to the length of the lower frame 4. The abutting portions are welded by being brought into contact with the respective direction end portions. A building opening is formed by the door frame by incorporating a four-frame door frame into the building frame.

ドア枠（左右の縦枠２、上枠３、下枠４）は、室内側に面する見付面と、室外側に面する見付面と、を備えている（下枠４の見付面は、床面内に隠れている）。ドア枠の四周状の見込面によって開口部が画定されている。ドア枠を構成する左右の縦枠２、上枠３、下枠４の見込面は２つの面から段状に形成されており、段差部には各枠の長さ方向に延びる溝部Ｇが形成されており、溝部Ｇには、各枠の長さ方向に延びる長尺状の気密部材Ｓが装着される。ドア装置が閉鎖姿勢にある時に、扉体１の見付面（図示の態様では、室内側面部）の周縁部位が気密部材Ｓに当接して気密性を保持するようになっている。ドア枠は比較的大きい見込寸法を備えており、縦枠２、上枠３は、２部材を連結して形成されている。下枠４は縦枠２、上枠３に対して短尺の見込寸法を備えているが、図示の態様では、２部材を連結して形成されている。 The door frames (the left and right vertical frames 2, the upper frame 3, and the lower frame 4) have a finding surface facing the indoor side and a finding surface facing the outdoor side (finding the lower frame 4). The face is hidden in the floor). The opening is demarcated by the four-round prospective surface of the door frame. The prospective surfaces of the left and right vertical frames 2, the upper frame 3, and the lower frame 4 constituting the door frame are formed in steps from two surfaces, and a groove portion G extending in the length direction of each frame is formed in the stepped portion. In the groove portion G, a long airtight member S extending in the length direction of each frame is mounted. When the door device is in the closed posture, the peripheral portion of the finding surface of the door body 1 (in the illustrated embodiment, the indoor side surface portion) comes into contact with the airtight member S to maintain airtightness. The door frame has a relatively large expected size, and the vertical frame 2 and the upper frame 3 are formed by connecting two members. Although the lower frame 4 has a short expected size with respect to the vertical frame 2 and the upper frame 3, in the illustrated embodiment, the lower frame 4 is formed by connecting two members.

縦枠２は、縦枠２の見込方向の第１側部位（図示の態様では、室内側部位）を構成する第１部材５と、縦枠２の見込方向の第２側部位（図示の態様では、室外側部位）を構成する第２部材６と、の２部材から形成されている。縦枠２は、第１部材の第２側と第２部材６の第１側とを連結して形成されている。本明細書において、「第１側」とは見込方向の一方の側を指し、「第２側」とは見込方向の他方の側（第１側とは反対方向）を指す。また、縦枠２の見込面に対して開口部（扉体１によって開閉される通行部）側を「内方」、開口部と反対側を「外方」と言う。第１部材５、第２部材６は、高さ方向に延びる長尺材であり、以下に述べる、第１部材５、第２部材６を構成する各辺は高さ方向に延びている。 The vertical frame 2 includes a first member 5 constituting a first side portion (in the illustrated embodiment, an indoor side portion) in the expected direction of the vertical frame 2 and a second side portion (in the illustrated manner) of the vertical frame 2 in the expected direction. Then, it forms from the 2 member of the 2nd member 6 which comprises an outdoor side site | part. The vertical frame 2 is formed by connecting the second side of the first member and the first side of the second member 6. In this specification, the “first side” refers to one side in the expected direction, and the “second side” refers to the other side in the expected direction (the direction opposite to the first side). Further, the side of the opening (passage that is opened and closed by the door 1) with respect to the prospective surface of the vertical frame 2 is referred to as “inward”, and the side opposite to the opening is referred to as “outward”. The first member 5 and the second member 6 are long materials extending in the height direction, and each side constituting the first member 5 and the second member 6 described below extends in the height direction.

第１部材５は、見込方向に延びる第１見込辺５０と、第１見込辺５０の第１側の端部から見付方向に外方に延びる第１見付辺（縦枠２の室内側見付面を形成する）５１と、第１見付辺５１の端部から第１見込辺５０に離間対向するように折り返した辺５２と、を備えている。第１見込辺５０の第２側の端部を折り返して重ねることで溝部Ｇの第１側面となる先端片５３が形成されている。縦枠２に形成された溝部Gは、第１側面、第２側面、底面から断面視コ字形状を有している。 The first member 5 includes a first expected side 50 extending in the expected direction and a first found side (inner side of the vertical frame 2) extending outward from the first side end of the first expected side 50 in the found direction. And a side 52 that is folded back from the end of the first finding side 51 so as to be spaced apart from the first looking side 50. A tip piece 53 serving as the first side surface of the groove G is formed by folding and overlapping the second side end of the first expected side 50. The groove part G formed in the vertical frame 2 has a U shape in a sectional view from the first side surface, the second side surface, and the bottom surface.

第２部材６は、見込方向に延びる第２見込辺６０と、第２見込辺６０の第２側の端部から見付方向に外方に延びる第２見付辺（縦枠２の室外側見付面を形成する）６１と、第２見付辺６１の端部から第２見込辺６０に離間対向するように折り返した辺６２と、を備えている。第２見込辺６０の第１側には平面視Ｌ形状の折り曲げ辺が一体形成されており、前記折り曲げ辺は、第２見込辺６０の端部から見付方向に内方に延びる第３見付辺６３と、第３見付辺６３の先端から見込方向に第１側に延びる第３見込辺６４と、からなる。第２部材６の第２見込辺６０の第１側の部位が溝部Ｇの第２側面、第２部材６の第３見付辺６３が溝部Ｇの底面を形成するようになっている。 The second member 6 includes a second expected side 60 extending in the expected direction, and a second found side (outside of the vertical frame 2) extending outward in the direction of finding from the second side end of the second expected side 60. And a side 62 that is folded back from the end of the second finding side 61 so as to be opposed to the second expecting side 60. A bent side having an L shape in plan view is integrally formed on the first side of the second expected side 60, and the bent side extends inward from the end of the second expected side 60 in the direction of finding. It consists of a side 63 and a third expected side 64 extending from the tip of the third seen side 63 to the first side in the expected direction. A portion of the second member 6 on the first side of the second expected side 60 forms the second side surface of the groove portion G, and a third finding side 63 of the second member 6 forms the bottom surface of the groove portion G.

第１部材５と第２部材６とは、第２部材６の第３見込辺６４を、先端片５３を残すようにして第１部材５の第１見込辺５０の第２側の部位（以下「連結部位５０´」という）の外面に連結することで、一体化されて縦枠２を形成している。すなわち、第１見込辺５０の第２側の部位において、先端片５３に隣接する部位が連結部位５０´となっている。 The first member 5 and the second member 6 are configured such that the third expected side 64 of the second member 6 is a part on the second side of the first expected side 50 of the first member 5 so as to leave the tip piece 53 (hereinafter referred to as “the second expected side”). By connecting to the outer surface of the “connecting portion 50 ′”, the vertical frame 2 is integrated. That is, in the site on the second side of the first expected side 50, the site adjacent to the tip piece 53 is the connection site 50 ′.

図５に示すように、第１部材５の連結部位５０´と、第２部材の第３見込辺６４とは、縦枠２の長さ方向（高さ方向）に所定間隔（例えば、１５０ｍｍ）を存して複数箇所で溶接Ｗすることで、接続されている。 As shown in FIG. 5, the connection portion 50 ′ of the first member 5 and the third expected side 64 of the second member are spaced by a predetermined distance (for example, 150 mm) in the length direction (height direction) of the vertical frame 2. It is connected by welding W at a plurality of places.

図４〜図６に示すように、第２部材６の上端縁、具体的には、第２見込辺６０、第２見付辺６１、折り返し辺６２、第３見付辺６３、第３見込辺６４、の各上端縁６００、６１０、６２０、６３０、６４０は、同じ第１の高さＨ１に位置している。 As shown in FIGS. 4 to 6, the upper edge of the second member 6, specifically, the second expected side 60, the second found side 61, the folded side 62, the third found side 63, and the third expected side Each upper end edge 600, 610, 620, 630, 640 of the side 64 is located at the same first height H1.

第１部材５の第１見付辺５１の上端縁５１０、辺５２の上端縁５２０は、第１の高さＨ１に位置している。第１部材５の第１見込辺５０の上端縁は、連結部位５０´を含む第１部位の上端縁５００において、第１の高さＨ１よりも低い第２の高さＨ２に位置している。第１部材５の第１見込辺５０の上端縁の残りの第２部位の上端縁５０００は、第１の高さＨ１に位置している。すなわち、図示の態様では、第１部材５の第１見込辺５０の第１側の端部の上枠３が載る部位（上端縁５０００）を除いて、第１見込辺５０の上端縁（上端縁５００）は、第２の高さＨ２に位置している。 The upper end edge 510 of the first finding side 51 of the first member 5 and the upper end edge 520 of the side 52 are located at the first height H1. The upper end edge of the first prospective side 50 of the first member 5 is located at the second height H2 lower than the first height H1 at the upper end edge 500 of the first portion including the connecting portion 50 ′. . The upper end edge 5000 of the remaining second portion of the upper end edge of the first expected side 50 of the first member 5 is located at the first height H1. That is, in the illustrated embodiment, the upper end edge (upper end of the first prospective side 50) except for the portion (upper end edge 5000) where the upper frame 3 on the first side end of the first prospective side 50 of the first member 5 is placed. The edge 500) is located at the second height H2.

第１見込辺５０を形成する板材の上端部位を切り欠くことで、第２高さＨ２に位置する上端縁５００を形成することができる。図５、図６には、切り欠いた部位が切り欠き部Ｃとして示してある。切り欠きの高さ、すなわち、第１高さＨ１と第２高さＨ２との差は、例えば、５ｍｍ以上である。 By cutting out the upper end portion of the plate material forming the first expected side 50, the upper end edge 500 positioned at the second height H2 can be formed. 5 and 6, the notched portion is shown as a notched portion C. The height of the notch, that is, the difference between the first height H1 and the second height H2 is, for example, 5 mm or more.

第１見込辺５０の第２側の先端の溝部Ｇの第１側面を形成する先端片５３（溝部Ｇの第１側面を形成する）の上端５３０は、第２高さＨ２よりもさらに低い高さにあり、上端縁５３０には上枠３の所定部位が載るようになっている。 The upper end 530 of the tip piece 53 (forming the first side surface of the groove part G) that forms the first side surface of the groove part G on the second side tip of the first expected side 50 is a height that is even lower than the second height H2. Thus, a predetermined portion of the upper frame 3 is placed on the upper edge 530.

図５、図７に示すように、第２部材６の下端縁、具体的には、第２見込辺６０、第２見付辺６１、折り返し辺６２、第３見付辺６３、第３見込辺６４、の各下端縁６０１、６１１、６２１、６３１、６４１は、同じ第３の高さＨ３に位置している。 As shown in FIGS. 5 and 7, the lower end edge of the second member 6, specifically, the second expected side 60, the second found side 61, the folded side 62, the third found side 63, and the third expected side The lower end edges 601, 611, 621, 631, and 641 of the side 64 are located at the same third height H3.

第１部材５の第１見付辺５１の下端縁５１１、辺５２の下端縁５２１は、第３の高さＨ３に位置している。第１部材５の第１見込辺５０の下端縁は、連結部位５０´を含む第１部位の下端縁５０１において、第３の高さＨ３よりも高い第４の高さＨ４に位置している。第１部材５の第１見込辺５０の下端縁の残りの第２部位の下端縁５０１０は、第３の高さＨ３に位置している。すなわち、図示の態様では、第１部材５の第１見込辺５０の第２部材６との連結部位５０´を除いて、第１見込辺５０の下端縁は、第３の高さＨ３に位置している。 The lower end edge 511 of the first finding side 51 of the first member 5 and the lower end edge 521 of the side 52 are located at the third height H3. The lower end edge of the first prospective side 50 of the first member 5 is located at the fourth height H4 higher than the third height H3 at the lower end edge 501 of the first portion including the connecting portion 50 ′. . The lower end edge 5010 of the remaining second portion of the lower end edge of the first expected side 50 of the first member 5 is located at the third height H3. That is, in the illustrated embodiment, the lower end edge of the first prospective side 50 is positioned at the third height H3 except for the connecting portion 50 'of the first prospective side 50 of the first member 5 with the second member 6. doing.

第１見込辺５０を形成する板材の下端部位を切り欠くことで、第４高さＨ４に位置する下端縁５０１を形成することができる。図５、図７には、切り欠いた部位が切り欠き部Ｃとして示してある。切り欠きの高さ、すなわち、第３高さＨ３と第４高さＨ４との差は、例えば、５ｍｍ以上である。 The lower edge 501 located at the fourth height H4 can be formed by notching the lower end portion of the plate material forming the first expected side 50. 5 and 7, the notched portion is shown as a notched portion C. The height of the notch, that is, the difference between the third height H3 and the fourth height H4 is, for example, 5 mm or more.

第１見込辺５０の第２側の先端の溝部Ｇの第１側面を形成する先端片５３の下端縁５３１は、第４高さＨ４よりもさらに高い高さにあり、下縁には下枠４の所定部位が当るようになっている。 The lower end edge 531 of the tip piece 53 that forms the first side surface of the groove part G at the tip end on the second side of the first expected side 50 is at a height higher than the fourth height H4, and the lower edge has a lower frame. Four predetermined parts are hit.

上枠３は、上枠３の見込方向の第１側部位（図示の態様では、室内側部位）を構成する第１部材７と、上枠３の見込方向の第２側部位（図示の態様では、室外側部位）を構成する第２部材８と、の２部材から形成されている。 The upper frame 3 includes a first member 7 constituting a first side portion (in the illustrated embodiment, an indoor side portion) in the expected direction of the upper frame 3 and a second side portion (in the illustrated manner) of the upper frame 3 in the expected direction. Then, it forms from the 2 member of the 2nd member 8 which comprises an outdoor side site | part.

図３、図４に示すように、第１部材７は、見込方向に延びる第１水平辺７０と、第１水平辺７０の第１側の端部から見付方向に上方に延びる第１立ち上がり辺７１と、第１立ち上がり辺７１の上端から第１水平辺７０に離間対向するように折り返した水平辺７２と、を備えている。第１水平辺７０の第２側の端部を折り返して重ねることで溝部Ｇの下面７３が形成されている。上枠３に形成された溝部Gは、下面、上面、底面から断面視コ字形状を有している。 As shown in FIGS. 3 and 4, the first member 7 includes a first horizontal side 70 extending in the expected direction, and a first rising edge extending upward in the direction of finding from the first side end of the first horizontal side 70. A side 71 and a horizontal side 72 folded back from the upper end of the first rising side 71 to be opposed to the first horizontal side 70 are provided. A lower surface 73 of the groove G is formed by folding and overlapping the second side end of the first horizontal side 70. The groove part G formed in the upper frame 3 has a U shape in a sectional view from the lower surface, the upper surface, and the bottom surface.

第２部材８は、見込方向に延びる第２水平辺８０と、第２水平辺８０の第２側の端部から見付方向に上方に延びる第２立ち上がり辺８１と、第２立ち上がり辺８１の端部から第２水平辺８０に離間対向するように折り返した水平辺８２と、を備えている。第２水平辺８０の第１側には断面視Ｌ形状の折り曲げ辺が一体形成されており、前記折り曲げ辺は、第２水平辺８０の第１側の端部から垂直方向に下方に延びる立ち下がり辺８３と、立ち下がり辺８３の先端から水平方向に第１側に延びる第３水平辺８４と、からなる。第２部材８の第２水平辺８０の第１側の部位が溝部Ｇの上面、第２部材８の立ち下がり辺８３が溝部Ｇの底面を形成するようになっている。 The second member 8 includes a second horizontal side 80 that extends in the expected direction, a second rising side 81 that extends upward from the end of the second side of the second horizontal side 80 in the finding direction, and a second rising side 81 And a horizontal side 82 that is folded back from the end so as to face and separate from the second horizontal side 80. A bent side having an L shape in sectional view is integrally formed on the first side of the second horizontal side 80, and the bent side extends vertically downward from the end of the first side of the second horizontal side 80. It consists of a falling side 83 and a third horizontal side 84 extending from the tip of the falling side 83 to the first side in the horizontal direction. The first side portion of the second horizontal side 80 of the second member 8 forms the upper surface of the groove portion G, and the falling side 83 of the second member 8 forms the bottom surface of the groove portion G.

第１部材７と第２部材８とは、第２部材８の第３水平辺８４を、溝部Ｇの下面７３を残すようにして第１部材７の第１水平辺７０の第２側の部位に連結（溶接）することで、一体化されて上枠３を形成している。 The first member 7 and the second member 8 are located on the second side of the first horizontal side 70 of the first member 7 such that the third horizontal side 84 of the second member 8 leaves the lower surface 73 of the groove G. By connecting (welding), the upper frame 3 is integrated.

下枠４は、下枠４の見込方向の第１側部位（図示の態様では、室内側部位）を構成する第１部材４０と、下枠４の見込方向の第２側部位（図示の態様では、室外側部位）を構成する第２部材４１と、の２部材から形成されている。下枠４に形成された溝部Gは、下面、上面、底面から断面視コ字形状を有している。 The lower frame 4 includes a first member 40 constituting a first side portion (in the illustrated embodiment, an indoor side portion) of the lower frame 4 and a second side portion (the illustrated embodiment) of the lower frame 4 in the expected direction. Then, it forms from the 2 member of the 2nd member 41 which comprises an outdoor side site | part. The groove part G formed in the lower frame 4 has a U-shaped cross-sectional view from the lower surface, the upper surface, and the bottom surface.

左右の縦枠２の上端と、上枠３の長さ方向端部との連結構造、左右の縦枠２の下端と、下枠４の長さ方向端部との連結構造は、従来の構造をそのまま用いることができ、また、ドア枠において各枠材同士の連結構造は当業者によく知られているので、詳細な説明は省略する。上枠、下枠の断面形状は、用いられる縦枠の断面形状に対応するように形成されることが当業者に理解される（図４、図８、図１１参照）。 The connecting structure between the upper ends of the left and right vertical frames 2 and the lengthwise ends of the upper frame 3 and the connecting structure of the lower ends of the left and right vertical frames 2 and the lengthwise ends of the lower frame 4 are conventional structures. Since the connecting structure of the frame members in the door frame is well known to those skilled in the art, detailed description thereof is omitted. It is understood by those skilled in the art that the cross-sectional shapes of the upper frame and the lower frame are formed so as to correspond to the cross-sectional shape of the vertical frame used (see FIGS. 4, 8, and 11).

縦枠２の他の実施形態を図８〜図１０を参照しつつ説明する。上述の実施形態と同一の要素には同一の参照番号が付してあり、同一の参照番号が付された要素の説明は、上述の記載を援用することができる。縦枠２の第２部材６の構成は、図４〜図７に示す第２部材６と同一である。縦枠２の第１部材５の構成は、図４〜図７の第１見込辺５０に対応する部位が、２つの見込辺５０Ａ、５０Ｂから形成される点において異なる。 Another embodiment of the vertical frame 2 will be described with reference to FIGS. The same reference numerals are given to the same elements as those in the above-described embodiment, and the above description can be used for the description of the elements to which the same reference numerals are attached. The structure of the 2nd member 6 of the vertical frame 2 is the same as the 2nd member 6 shown in FIGS. The configuration of the first member 5 of the vertical frame 2 is different in that a portion corresponding to the first expected side 50 in FIGS. 4 to 7 is formed from two expected sides 50A and 50B.

より具体的には、第１部材５の第１見込辺５０は、見込方向に延びる第２側の見込辺５０Ａと、見込辺５０Ａの第１側の端部から見付方向に外方に延びる見付辺５０Ｃと、見付辺５０Ｃの端部から第１側に向かって見込方向に延びる見込辺５０Ｂと、からなる。第１部材５は、さらに、見込辺５０Ｂの第１側の端部から見付方向に外方に延びる第１見付辺（縦枠２の室内側見付面を形成する）５１と、第１見付辺５１の端部から第１見込辺５０に離間対向するように折り返した辺５２と、を備えている。見込辺５０Ａの第２側の端部を折り返して重ねることで溝部Ｇの第１側面となる先端片５３が形成されている。 More specifically, the first expected side 50 of the first member 5 extends outward in the direction of finding from the second side expected side 50A extending in the expected direction and the first side end of the expected side 50A. It consists of 50C of look-up sides, and the look-up side 50B extended in a look-out direction toward the 1st side from the edge part of 50C of find-sides. The first member 5 further includes a first finding side 51 (which forms the indoor side finding surface of the vertical frame 2) extending outwardly in the finding direction from the first side end of the prospecting side 50B, And a side 52 that is folded back from the end of the first finding side 51 so as to face and separate from the first expected side 50. A tip end piece 53 serving as a first side surface of the groove G is formed by folding and overlapping the second side end of the expected side 50A.

第１部材５と第２部材６とは、第２部材６の第３見込辺６４を、先端片５３を残すようにして第１部材５の見込辺５０Ａの第２側の部位（連結部位５０´）の外面に連結することで、一体化されて縦枠２を形成している。 The first member 5 and the second member 6 are configured such that the third expected side 64 of the second member 6 is a second side part (the connecting part 50) of the expected side 50 </ b> A of the first member 5 so as to leave the tip piece 53. It is integrated with the outer surface of ′) to form the vertical frame 2.

第１部材５の連結部位５０´と、第２部材の第３見込辺６４とは、縦枠２の長さ方向（高さ方向）に所定間隔（例えば、１５０ｍｍ）を存して複数箇所で溶接Ｗすることで、接続されている。 The connecting portion 50 ′ of the first member 5 and the third expected side 64 of the second member are at a plurality of locations with a predetermined interval (for example, 150 mm) in the length direction (height direction) of the vertical frame 2. It is connected by welding W.

図９に示すように、第２部材６の上端縁、具体的には、第２見込辺６０、第２見付辺６１、折り返し辺６２、第３見付辺６３、第３見込辺６４、の各上端縁６００、６１０、６２０、６３０、６４０は、同じ第１の高さＨ１に位置している。 As shown in FIG. 9, the upper edge of the second member 6, specifically, the second expected side 60, the second found side 61, the folded side 62, the third found side 63, the third seen side 64, The upper end edges 600, 610, 620, 630, and 640 are located at the same first height H 1.

第１部材５の第１見付辺５１の上端縁５１０、辺５２の上端縁５２０は、第１の高さＨ１に位置している。第１部材５の第１見込辺５０の上端縁は、連結部位５０´を含む第１部位の上端縁５００（見込辺５０Ａの上端縁全体、見付辺５０Ｃの上端縁全体、見込辺５０Ｂの上端縁の部分）において、第１の高さＨ１よりも低い第２の高さＨ２に位置している。第１部材５の見込辺５０Ｂの上端縁の残りの第２部位の上端縁５０００は、第１の高さＨ１に位置している。すなわち、図示の態様では、第１部材５の見込辺５０Ｂの第１側の端部の上枠３が載る部位を除いて、第１見込辺５０の上端縁は、第２の高さＨ２に位置している。 The upper end edge 510 of the first finding side 51 of the first member 5 and the upper end edge 520 of the side 52 are located at the first height H1. The upper end edge of the first prospective side 50 of the first member 5 is the upper end edge 500 of the first part including the connecting part 50 ′ (the entire upper end edge of the prospective side 50 </ b> A, the entire upper end edge of the finding side 50 </ b> C, the prospective side 50 </ b> B). In the upper edge portion), the second height H2 is lower than the first height H1. The upper end edge 5000 of the remaining second portion of the upper end edge of the expected side 50B of the first member 5 is located at the first height H1. That is, in the illustrated embodiment, the upper edge of the first prospective side 50 is set to the second height H2 except for the portion where the upper frame 3 on the first side end of the prospective side 50B of the first member 5 is placed. positioned.

第１見込辺５０（見込辺５０Ａ、見付辺５０Ｃ、見込辺５０Ｂ）を形成する板材の上端部位を切り欠くことで、第２高さＨ２に位置する上端縁５００を形成することができる。図９には、切り欠いた部位が切り欠き部Ｃとして示してある。切り欠きの高さ、すなわち、第１高さＨ１と第２高さＨ２との差は、例えば、５ｍｍ以上である。 The upper end edge 500 positioned at the second height H2 can be formed by cutting out the upper end portion of the plate material forming the first expected side 50 (the expected side 50A, the found side 50C, and the expected side 50B). In FIG. 9, the notched portion is shown as a notched portion C. The height of the notch, that is, the difference between the first height H1 and the second height H2 is, for example, 5 mm or more.

見込辺５０Ａの第２側の先端の溝部Ｇの第１側面を形成する先端片５３の上端５３０は、第２高さＨ２よりもさらに低い高さにあり、上端縁５３０には上枠３の所定部位が載るようになっている。 The upper end 530 of the tip piece 53 that forms the first side surface of the groove part G at the tip of the second side of the expected side 50A is lower than the second height H2, and the upper edge 530 A predetermined part is placed.

図１０に示すように、第２部材６の下端縁、具体的には、第２見込辺６０、第２見付辺６１、折り返し辺６２、第３見付辺６３、第３見込辺６４、の各下端縁６０１、６１１、６２１、６３１、６４１は、同じ第３の高さＨ３に位置している。 As shown in FIG. 10, the lower end edge of the second member 6, specifically, the second expected side 60, the second found side 61, the folded side 62, the third found side 63, the third expected side 64, The lower end edges 601, 611, 621, 631, 641 are located at the same third height H 3.

第１部材５の第１見付辺５１の下端縁５１１、辺５２の下端縁５２１は、第１の高さＨ３に位置している。第１部材５の第１見込辺５０の下端縁は、連結部位５０´を含む第１部位の下端縁５０１（見込辺５０Ａの下端縁の部分）において、第３の高さＨ３よりも高い第４の高さＨ４に位置している。第１部材５の第１見込辺５０の下端縁の残りの第２部位（見込辺５０Ａの下端縁の部分、見付辺５０Ｃの下端縁全体、見込辺５０Ｂの下端縁全体）の下端縁５０１０は、第３の高さＨ３に位置している。すなわち、図示の態様では、第１部材５の第１見込辺５０の第２部材６との連結部位５０´を除いて、第１見込辺５０の下端縁は、第３の高さＨ３に位置している。 The lower end edge 511 of the first finding side 51 of the first member 5 and the lower end edge 521 of the side 52 are located at the first height H3. The lower end edge of the first prospective side 50 of the first member 5 is higher than the third height H3 at the lower end edge 501 of the first part including the connecting part 50 '(the lower end edge part of the prospective side 50A). 4 is located at a height H4. The lower end edge 5010 of the remaining second portion (the lower end edge portion of the expected side 50A, the entire lower end edge of the found side 50C, the entire lower end edge of the expected side 50B) of the first expected side 50 of the first member 5 Is located at the third height H3. That is, in the illustrated embodiment, the lower end edge of the first prospective side 50 is positioned at the third height H3 except for the connecting portion 50 'of the first prospective side 50 of the first member 5 with the second member 6. doing.

第１見込辺５０を形成する板材の下端部位を切り欠くことで、第４高さＨ４に位置する下端縁５０１を形成することができる。図１０には、切り欠いた部位が切り欠き部Ｃとして示してある。切り欠きの高さ、すなわち、第３高さＨ３と第４高さＨ４との差は、例えば、５ｍｍ以上である。 The lower edge 501 located at the fourth height H4 can be formed by notching the lower end portion of the plate material forming the first expected side 50. In FIG. 10, the notched portion is shown as a notch C. The height of the notch, that is, the difference between the third height H3 and the fourth height H4 is, for example, 5 mm or more.

本実施形態の作用について説明する。図１、図２に示すように、ドア枠が建物躯体に取り付けられた状態において、ドア枠の周りにはモルタルが充填されており、建物躯体に作用する力は、モルタルを介してドア枠に伝達される。縦枠２の上端縁、下端縁はモルタルに接触している。 The operation of this embodiment will be described. As shown in FIGS. 1 and 2, when the door frame is attached to the building frame, the door frame is filled with mortar, and the force acting on the building frame is applied to the door frame via the mortar. Communicated. The upper edge and the lower edge of the vertical frame 2 are in contact with the mortar.

本実施形態では、縦枠２を第１部材５と第２部材６とから構成する。第１部材５の連結部位５０´と第２部材６の第３見込辺６４は高さ方向に間隔を設けた複数個所の溶接Ｗによって連結される。第２部材６の第２見込辺６０は、断面形状においてＬ形状の折り曲げ辺（見付辺６３、第３見込辺６４）を一体的に備えており、第１部材５のフラット状の第１見込辺５０よりも大きい強度を有し、変形し難い。縦枠２に想定を超える圧縮荷重が作用した場合を仮定すると、第１部材５の第１見込辺５０において、溶接Ｗ間の部位が変形してしまう可能性がある。第１見込辺５０が変形すると、先端の溝部Ｇの第１側面を形成する先端片５３が変形して、ドア枠の外観に影響を与えるおそれがある。 In the present embodiment, the vertical frame 2 includes a first member 5 and a second member 6. The connection portion 50 ′ of the first member 5 and the third prospective side 64 of the second member 6 are connected by welding W at a plurality of locations spaced in the height direction. The second prospective side 60 of the second member 6 is integrally provided with L-shaped bent sides (a finding side 63 and a third prospective side 64) in the cross-sectional shape, and the flat first of the first member 5 is provided. It has a greater strength than the expected side 50 and is difficult to deform. Assuming that a compressive load exceeding the assumption is applied to the vertical frame 2, there is a possibility that a portion between the welds W may be deformed in the first expected side 50 of the first member 5. When the first expected side 50 is deformed, the tip piece 53 forming the first side surface of the groove portion G at the tip is deformed, which may affect the appearance of the door frame.

第１部材５の上端縁の所定部位（少なくとも連結部位５０´を含む部位）を切り欠いて、切り欠き部位の上端縁の高さを他の部位の高さよりも低くすることで、縦枠２の上端縁にかかる圧縮荷重を第２部材６へ逃がし、第１部材５にかかる荷重を軽減し、第１部材５の第１見込辺５０の変形を防止し、もって、第１見込辺５０の先端の溝部Ｇの第１側面を形成する先端片５３が変形することを可及的に防止する。 The vertical frame 2 is obtained by notching a predetermined portion (a portion including at least the connecting portion 50 ′) of the upper end edge of the first member 5 and making the height of the upper end edge of the notched portion lower than the height of other portions. , The compression load applied to the upper edge of the first member 5 is released to the second member 6, the load applied to the first member 5 is reduced, the deformation of the first expected side 50 of the first member 5 is prevented, and the first expected side 50 The tip piece 53 that forms the first side surface of the groove portion G at the tip is prevented from being deformed as much as possible.

さらに、第１部材５の下端縁の所定部位（少なくとも連結部位５０´を含む部位）を切り欠いて、切り欠き部位の下端縁の高さを他の部位の高さよりも高くすることで、縦枠２の下端縁に下方からかかる反力を第２部材６へ逃がし、第１部材５にかかる力を軽減し、第１部材５の第１見込辺５０の変形を防止し、もって、第１見込辺５０の先端の溝部Ｇの第１側面を形成する先端片５３の変形を可及的に防止する。 Further, by cutting out a predetermined portion (a portion including at least the connecting portion 50 ′) of the lower end edge of the first member 5 and making the height of the lower end edge of the notched portion higher than the height of other portions, The reaction force applied to the lower end edge of the frame 2 from below is released to the second member 6, the force applied to the first member 5 is reduced, the deformation of the first expected side 50 of the first member 5 is prevented, and the first Deformation of the tip piece 53 that forms the first side surface of the groove portion G at the tip of the expected side 50 is prevented as much as possible.

２ 縦枠
５ 第１部材
５０ 第１見込辺
５３ 先端片
５０´ 連結部位
６ 第２部材
６０ 第２見込辺
６３ 第３見付辺
６４ 第３見込辺 2 Vertical frame 5 1st member 50 1st expectation edge 53 Tip piece 50 'connection part 6 2nd member 60 2nd expectation edge 63 3rd look edge 64 3rd expectation edge

Claims (2)

気密部材を装着する溝部を備えたドア枠の縦枠構造において、
前記縦枠は、縦枠の見込方向の第１側部位を構成する第１部材と、縦枠の見込方向の第２側部位を構成する第２部材と、を連結して形成されており、
前記第１部材は、見込方向に延びる第１見込辺を有し、第１見込辺の第２側の端部に前記溝部の第１側面となる先端片が形成されており、前記先端片に隣接する第１見込辺の第２側の部位が連結部位となっており、
前記第２部材は、見込方向に延びる第２見込辺と、第２見込辺の第１側の端部から見付方向に延びる見付辺と、当該見付辺から見込方向に第１側に延びる第３見込辺と、を有し、
前記第１部材と前記第２部材とは、前記第２部材の第３見込辺を、前記先端片を残すようにして第１部材の第１見込辺の前記連結部位に連結することで、連結されており、前記第２部材の第２見込辺の第１側の部位が前記溝部の第２側面、前記見付辺が前記溝部の底面を形成しており、
前記第２部材の第２見込辺、見付辺、第３見込辺の上端縁は第１の高さ位置にあり、前記第１部材の第１見込辺の上端縁は、少なくとも前記連結部位を含む部位において、前記第１の高さ位置よりも低い第２の高さ位置にある、ドア枠の縦枠構造。 In the vertical frame structure of the door frame provided with a groove part for mounting an airtight member,
The vertical frame is formed by connecting a first member constituting a first side portion of the vertical frame in the expected direction and a second member constituting a second side portion of the vertical frame in the expected direction,
The first member has a first prospect side extending in a prospect direction, a tip piece serving as a first side surface of the groove is formed on a second side end portion of the first prospect side, and the tip piece includes The site on the second side of the adjacent first expected side is a connected site,
The second member has a second expected side extending in the expected direction, a found side extending in the found direction from the first side end of the second expected side, and the first side from the found side in the expected direction. A third expected side extending,
The first member and the second member are connected by connecting the third expected side of the second member to the connecting portion of the first expected side of the first member so as to leave the tip piece. The first side portion of the second prospect side of the second member is the second side surface of the groove portion, and the finding side forms the bottom surface of the groove portion,
The second edge of the second member, the edge to be found, and the upper edge of the third edge of the third member are at the first height position, and the edge of the first edge of the first member has at least the connecting portion. A vertical frame structure of a door frame at a second height position that is lower than the first height position in a portion to be included. 前記第２部材の第２見込辺、見付辺、第３見込辺の下端縁は第３の高さ位置にあり、前記第１部材の第１見込辺の下端縁は、少なくとも前記連結部位を含む部位において、前記第３の高さ位置よりも高い第４の高さ位置にある、請求項１に記載のドア枠の縦枠構造。 The lower edge of the second expected side, the second edge of the second member, and the third lower edge of the third member are at the third height position, and the lower edge of the first expected side of the first member is at least the connecting portion. The vertical frame structure of the door frame according to claim 1 , wherein at a part to be included, the door frame is at a fourth height position higher than the third height position.
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