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WO2010001685A1 - Vehicle door sash - Google Patents

Vehicle door sash Download PDF

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Publication number
WO2010001685A1
WO2010001685A1 PCT/JP2009/060343 JP2009060343W WO2010001685A1 WO 2010001685 A1 WO2010001685 A1 WO 2010001685A1 JP 2009060343 W JP2009060343 W JP 2009060343W WO 2010001685 A1 WO2010001685 A1 WO 2010001685A1
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WO
WIPO (PCT)
Prior art keywords
door sash
bag
vehicle door
design
connecting portion
Prior art date
Application number
PCT/JP2009/060343
Other languages
French (fr)
Japanese (ja)
Inventor
勝久 福井
雅之 高田
敦郎 野田
Original Assignee
シロキ工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シロキ工業株式会社 filed Critical シロキ工業株式会社
Publication of WO2010001685A1 publication Critical patent/WO2010001685A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0401—Upper door structure
    • B60J5/0402—Upper door structure window frame details, including sash guides and glass runs

Definitions

  • the present invention relates to a vehicle door sash, and more particularly to a roll-formed door sash.
  • a door frame for a vehicle is integrally provided with a door sash along the door opening of the vehicle body at the upper part of the door body (inner panel and outer panel).
  • This door sash is known to be a roll-formed product of an iron-based material and an extruded product of an aluminum-based material.
  • a roll molded product is manufactured by a step of bending a long plate material stepwise with a number of rolls to have a predetermined cross-sectional shape, and then welding.
  • FIG. 9 shows an example of a typical cross-sectional shape (cross-sectional shape in a direction orthogonal to the extending direction) of the conventional roll-formed door sash 1.
  • the door sash 1 includes a bag-shaped cross-section portion (closed curved cross-section portion) 2 located on the inner side of the vehicle, a design portion 3 located on the outer side of the vehicle and part of the outer surface of the door, and the bag-shaped cross-section portion 2 and the design portion.
  • 3 has a connecting portion 4 that connects 3.
  • the design part 3 has a body side design part 3a extending from the connecting part 4 to the vehicle body B (the door opening A) side and a glass side design part 3b extending to the door glass side.
  • a T-shaped cross section is formed, and the glass side design portion 3b, the connecting portion 4, and the bag-shaped cross-sectional portion 2 form a recess 5 that holds the glass run GR. Further, the body side design portion 3a of the design portion 3 and the connecting portion 4 form a recess 6 for holding the weather strip WS.
  • a plate material 4b extending from the bag-like portion 2 to the design portion 3 is located below (in the side of the door glass G) of the plate material 4a extended from the bag-like portion 2 toward the design portion 3,
  • the plate material 4c extended from the design portion 3 toward the bag-like cross-sectional portion 2 is positioned on the upper side of the plate material 4a (on the door opening A side) and overlapped with each other, and these are spot-welded at the welding point W, The connection part 4 was formed.
  • This conventional roll-formed door sash must be welded with a three-layered iron plate material at the connecting portion 4.
  • the welding of the three-layered plate material is technically difficult and the yield is poor.
  • the conventional structure in which the connecting portion 4 has three layers cannot meet the recent demand for weight reduction of the vehicle.
  • the present invention is based on the above problem awareness and aims to reduce the weight and facilitate welding work in roll-formed vehicle door sashes.
  • the present invention is a vehicular door sash made of a roll-formed product, and in a cross section orthogonal to the extending direction, a bag-like cross-sectional portion located on the inner side of the vehicle, and a design that is located on the outer side of the vehicle and is a part of the door outer surface And a connecting portion that connects the bag-shaped cross-section portion and the design portion, and the bag-shaped cross-sectional portion, the design portion, and the connecting portion are connected in the vehicle door sash that forms the glass run holding recess. It is characterized in that at least a part of is made of a single plate structure. That is, it is only the connection part of a single board that connects a bag-shaped cross-section part and a design part.
  • the extended plate surface from the bag-shaped cross section can be overlapped on the connecting portion of the single plate structure, and the overlapping portion can be fixed by welding.
  • the extended plate surface from the bag-shaped cross section can be superimposed on the surface opposite to the glass run holding recess of the connecting portion of the single plate structure in one aspect.
  • a cut-and-raised piece for forming a weather strip holding portion between the design weld portion and the design portion can be formed at the tip of the superimposed weld portion.
  • the extended plate surface from the bag-shaped cross-section can be overlaid on the surface of the connecting portion of the single plate structure on the glass run holding recess side.
  • this extended plate surface can be overlaid on the connecting portion of the single plate structure, and this overlapping portion can be fixed by welding.
  • the extended plate surface from the design portion can be superimposed on the surface opposite to the glass run holding concave portion of the connecting portion of the single plate structure in one aspect. Or it can also superimpose on the glass run holding
  • the design portion may not be provided with the overlapping plate portion with the connecting portion having a single plate structure, and the end portion of the plate material may be positioned in the design portion.
  • laser welding for welding the connecting portion of the single plate structure and the overlapping plate material stacked thereon.
  • this laser welding is performed in a staggered manner along two rows of welding lines along the extending direction of the door sash, high rigidity can be ensured.
  • the vehicle door sash of the present invention includes a bag-like cross-sectional portion located on the inside of the vehicle, a design portion that is located on the outside of the vehicle and becomes a part of the door outer surface, and a connection that connects the bag-like cross-sectional portion and the design portion.
  • the bag-shaped cross section, the design portion, and the connecting portion have a single plate structure in the vehicle door sash that forms the glass run holding recess. Can be planned.
  • the extension plate part from a bag-shaped cross-sectional part and / or a design part is piled up and welded to the connection part of a single plate structure, it can weld easily and reliably.
  • FIG. 7 It is sectional drawing which follows one II line of FIG. 7 which shows one Embodiment of the door sash for vehicles by this invention. It is sectional drawing corresponding to FIG. 1 which shows another embodiment. It is sectional drawing corresponding to FIG. 1 which shows another embodiment. It is sectional drawing corresponding to FIG. 1 which shows another embodiment. It is sectional drawing corresponding to FIG. 1 which shows another embodiment. It is sectional drawing corresponding to FIG. 1 which shows another embodiment. It is sectional drawing corresponding to FIG. 1 which shows another embodiment. It is a side view showing an example of a vehicle door to which a vehicle door sash according to the present invention is applied. It is an expanded view which shows a preferable example of the laser welding location of the door sash of FIG. It is sectional drawing corresponding to FIG. 1 which shows an example of the conventional door sash.
  • FIG. 7 shows a side shape of a passenger car to which the vehicle door sash according to the present invention is applied.
  • a vehicle door 10 that opens and closes a door opening (door opening) A of a vehicle body B includes a door sash (window frame) 20 that forms a window opening 12 on an upper portion of a door body (inner panel and outer panel) 11.
  • the door sash 20 includes a bent upper sash 20A that receives the upper edge of the window glass W and a vertical column sash 20B that receives the vertical edge of the window glass W.
  • the upper sash 20A and the vertical column sash 20B are joined (welded). )
  • the upper sash 20A is along the upper edge of the door opening A
  • the upright pillar sash 20B is along the center pillar 16 of the vehicle body B (door opening A).
  • FIG. 1 shows the first embodiment, and shows the shape of a cross section (cross section orthogonal to the extending direction of the upper sash 20A or / and the upright column sash 20B) taken along the line II in FIG.
  • the door sash 20 formed by roll forming includes a bag-shaped cross-section portion (closed curved cross-section portion) 21 located on the inner side of the vehicle, a design portion 22 positioned on the outer side of the vehicle and serving as a part of the door outer surface, and the bag-like shape. It has the connection part 23 which connects the cross-section part 21 and the design part 22.
  • the bag-shaped cross-sectional portion 21 formed of a closed curve is a portion that mainly bears the strength of the door sash 20.
  • Roll forming is a forming method in which the bag-like cross-sectional portion 21, the design portion 22, and the connecting portion 23 of the door sash 20 shown in the cross-section of FIG. 1 are drawn with a series of plate materials.
  • the starting end portion one end portion
  • the terminal end portion the other end portion
  • this one-stroke writing structure is described based on the vehicle interior side, the vehicle exterior side, the door glass G side, and the door opening A side.
  • a single plate structure connecting portion 23 is used as a reference.
  • a cut-and-raised piece 24 serving as a start end S is located on the door opening A side of the connecting portion 23.
  • the extension part of the cut and raised piece 24 is overlapped on the connecting part 23 by the overlapping part 25, and then forms a bag-like cross-sectional part 21 by drawing a closed curve that swells to the door glass G side on the inside of the vehicle.
  • the connecting portion 23 is extended to the vehicle exterior side and once bent to the door glass G side, it is folded back to form the glass side design portion 22a, and further extends beyond the extending portion of the connecting portion 23 to the door opening A side.
  • the body side design portion 22b is formed by folding. That is, the bag-shaped cross-sectional portion 21 is formed continuously on the inner side of the connecting portion 23 having a single plate structure, and the design portion 22 is formed continuously on the outer side of the vehicle.
  • a glass run holding recess 26 is formed by the bag-like cross-sectional portion 21, the glass side design portion 22a, and the connecting portion 23, and the glass run holding recess 26 is omitted from the bag-like cross section 21 and the glass side design portion 22a.
  • Concave portions 26a and 26b forming stop walls (uneven portions) are formed.
  • the glass run holding recess 26 is retained by the recesses 26a and 26b and holds the glass run GR.
  • the glass run GR receives the periphery of the door glass G.
  • the body side design portion 22b is folded back at the end toward the door opening A, and then overlapped with the door opening A side (surface opposite to the glass run holding recess 26) of the connecting portion 23 to form the overlapping portion 27. To do.
  • the end of this overlapping portion 27 is the end F of the series of plate materials.
  • the body side design portion 22 b is formed with a recess (projection) 28 a that forms a weather strip holding recess 28 between the cut and raised piece 24.
  • the weather strip WS is held in the weather strip holding recess 28.
  • the connecting portion 23 and the overlapping portion 25, and the connecting portion 23 and the overlapping portion 27 are joined by laser welding at welding points W set discretely in the extending direction of the door sash.
  • welding points W set discretely in the extending direction of the door sash.
  • two welding points W are shown in the same cross section, but actually, as shown in FIG. 8, along the two rows of welding lines along the extending direction of the door sash, a staggered pattern is formed. It is preferable to apply.
  • staggered laser welding is effective in increasing the rigidity of the door sash, and can be performed with a single laser welding machine, so that the cost can be reduced.
  • FIG. 2 shows a second embodiment of a vehicle door sash according to the present invention.
  • the curved path of the plate material extending from the connecting portion 23 having a single-plate structure to the design portion 22 is reversed from that in the embodiment of FIG. 1, and after the body side design portion 22b is first formed from the connecting portion 23, glass
  • the side design portion 22a is formed, and the overlapping portion 27 is overlapped on the connecting portion 23 on the door glass G side of the connecting portion 23 having a single plate structure.
  • Other configurations are the same as those in FIG. 1, and the same components are denoted by the same reference numerals.
  • FIG. 3 is an embodiment in which the cut and raised pieces 24 and the concave portions (convex portions) 28a in the embodiment of FIG. 1 are omitted.
  • the weather strip holding recess 28 is formed by the planar connecting portion 23 and the body side design portion 22b, the weather strip WS is bonded to the connecting portion 23.
  • a double-sided tape can be used for adhesion.
  • FIG. 4 shows the position of the overlapping portion 25 and the overlapping portion 27 with respect to the connecting portion 23 in the embodiment of FIG. 3 from the door opening A side (surface opposite to the glass run holding recess 26) to the door glass G side (glass This is an embodiment in which the surface is changed to the run holding recess 26 side. According to this embodiment, similarly to the embodiment of FIG. 2, rust is unlikely to occur in the welded portion W ′ of the overlapping portion 27 and the connecting portion 23 and the welded portion W ′ of the overlapping portion 25 and the connecting portion 23.
  • FIG. 5 is an embodiment in which the overlapping portion 27 is eliminated and the end F of the plate material is used as the back surface of the glass side design portion 22a in the embodiment of FIG.
  • the welding location W with the connecting portion 23 is only one location of the overlapping portion 25.
  • FIG. 6 shows the body side design after first forming the glass side design portion 22a from the connection portion 23 by reversing the bending path of the plate material from the connection portion 23 of the single plate structure to the design portion 22 in the embodiment of FIG.
  • This is an embodiment in which the portion 22b is formed and the end F of the plate material is the back surface of the body side design portion 22b.
  • the shape of the bag-shaped cross-section 21 and the recess 26a is also different from the embodiment of FIG.
  • the welding point W is not particularly mentioned, but the staggered welding by laser welding described in FIG. 8 can be applied as it is. However, the present invention does not prevent the use of welding other than laser welding.
  • the roll door vehicular sash according to the present invention can be widely applied to vehicular doors to reduce weight and facilitate welding work.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

A vehicle door sash has, in a cross-section thereof perpendicular to the direction of extension thereof, a bag-shaped cross-section section located on the vehicle interior side, an aesthetically designed section located on the vehicle exterior side and forming a portion of the outer surface of a door, and a connecting section for interconnecting the bag-shaped cross-section section and the aesthetically designed section.  The bag-shaped cross-section section, the aesthetically designed section, and the connecting section are constructed from a roll-formed product forming a glass run holding recess.  At least a part of the connecting section is of a single-plate structure.

Description

車両用ドアサッシュVehicle door sash
　本発明は、車両用ドアサッシュに関し、特にロール成形されるドアサッシュに関する。 The present invention relates to a vehicle door sash, and more particularly to a roll-formed door sash.
　車両用ドアフレームは一般に、ドア本体（インナパネルとアウタパネル）の上部に、車両ボディのドア開口に沿うドアサッシュを一体に設けている。 Generally, a door frame for a vehicle is integrally provided with a door sash along the door opening of the vehicle body at the upper part of the door body (inner panel and outer panel).
　このドアサッシュは、鉄系材料のロール成形品と、アルミ系材料の押出成形品とが知られている。このうち、ロール成形品は、周知のように、長尺の板材を多数のロールで段階的に曲折して所定の断面形状とし、その後、溶接する工程で製造されている。 This door sash is known to be a roll-formed product of an iron-based material and an extruded product of an aluminum-based material. Among these, as is well known, a roll molded product is manufactured by a step of bending a long plate material stepwise with a number of rolls to have a predetermined cross-sectional shape, and then welding.
　図９は、従来のロール成形ドアサッシュ１の典型的な断面形状（延長方向と直交する方向の断面形状）例を示している。このドアサッシュ１は、車内側に位置する袋状断面部（閉曲線断面部）２と、車外側に位置してドア外面の一部となる意匠部３と、この袋状断面部２と意匠部３とを連結する連結部４を有する。意匠部３は、連結部４から車両ボディＢ（のドア開口Ａ）側に延びるボディ側意匠部３ａとドアガラス側に延びるガラス側意匠部３ｂを有していて、巨視的には連結部４とともにＴ字断面をなし、該ガラス側意匠部３ｂ、連結部４及び袋状断面部２によって、ガラスランＧＲを保持する凹部５が形成されている。また意匠部３のボディ側意匠部３ａと連結部４によって、ウェザストリップＷＳを保持する凹部６が形成されている。 FIG. 9 shows an example of a typical cross-sectional shape (cross-sectional shape in a direction orthogonal to the extending direction) of the conventional roll-formed door sash 1. The door sash 1 includes a bag-shaped cross-section portion (closed curved cross-section portion) 2 located on the inner side of the vehicle, a design portion 3 located on the outer side of the vehicle and part of the outer surface of the door, and the bag-shaped cross-section portion 2 and the design portion. 3 has a connecting portion 4 that connects 3. The design part 3 has a body side design part 3a extending from the connecting part 4 to the vehicle body B (the door opening A) side and a glass side design part 3b extending to the door glass side. In addition, a T-shaped cross section is formed, and the glass side design portion 3b, the connecting portion 4, and the bag-shaped cross-sectional portion 2 form a recess 5 that holds the glass run GR. Further, the body side design portion 3a of the design portion 3 and the connecting portion 4 form a recess 6 for holding the weather strip WS.
　この従来品では、袋状部２から意匠部３に向けて延長させた板材４ａの図の下方（ドアガラスＧ側）に、袋状部２から意匠部３に至る板材４ｂが位置し、さらに、板材４ａの上方（ドア開口Ａ側）に、意匠部３から袋状断面部２に向けて延長させた板材４ｃが位置して相互に重ねられ、これらが溶接箇所Ｗでスポット溶接されて、連結部４が形成されていた。 In this conventional product, a plate material 4b extending from the bag-like portion 2 to the design portion 3 is located below (in the side of the door glass G) of the plate material 4a extended from the bag-like portion 2 toward the design portion 3, The plate material 4c extended from the design portion 3 toward the bag-like cross-sectional portion 2 is positioned on the upper side of the plate material 4a (on the door opening A side) and overlapped with each other, and these are spot-welded at the welding point W, The connection part 4 was formed.
特開２００１-２１３１６７号公報Japanese Patent Laid-Open No. 2001-213167 特開２００３-１７０７４０号公報Japanese Patent Laid-Open No. 2003-170740
　この従来のロール成形ドアサッシュは、連結部４において、３枚重ねの鉄系板材を溶接しなければならない。しかし、３枚重ねの板材の溶接は技術的に困難であり、歩留まりが悪いという問題があった。また、連結部４において３枚重ねとなる従来構造は、近年の車両の軽量化の要求にも応えることができない。 This conventional roll-formed door sash must be welded with a three-layered iron plate material at the connecting portion 4. However, there is a problem that the welding of the three-layered plate material is technically difficult and the yield is poor. Further, the conventional structure in which the connecting portion 4 has three layers cannot meet the recent demand for weight reduction of the vehicle.
　本発明は、以上の問題意識に基づき、ロール成形の車両用ドアサッシュにおいて、軽量化を図り、溶接作業を容易にすることを目的とする。 The present invention is based on the above problem awareness and aims to reduce the weight and facilitate welding work in roll-formed vehicle door sashes.
　本発明は、ロール成形品からなる車両用ドアサッシュであって、延長方向と直交する断面において、車内側に位置する袋状断面部と、車外側に位置してドア外面の一部となる意匠部と、この袋状断面部と意匠部とを連結する連結部を有し、これらの袋状断面部、意匠部及び連結部は、ガラスラン保持凹部を形成する車両用ドアサッシュにおいて、連結部の少なくとも一部が一枚板構造からなることを特徴としている。つまり、袋状断面部と意匠部を連結するのは、一枚板の連結部だけである。 The present invention is a vehicular door sash made of a roll-formed product, and in a cross section orthogonal to the extending direction, a bag-like cross-sectional portion located on the inner side of the vehicle, and a design that is located on the outer side of the vehicle and is a part of the door outer surface And a connecting portion that connects the bag-shaped cross-section portion and the design portion, and the bag-shaped cross-sectional portion, the design portion, and the connecting portion are connected in the vehicle door sash that forms the glass run holding recess. It is characterized in that at least a part of is made of a single plate structure. That is, it is only the connection part of a single board that connects a bag-shaped cross-section part and a design part.
　その一態様では、袋状断面部からの延長板面は、一枚板構造の連結部上に重ね、この重畳部を溶接固定することができる。 In the one aspect, the extended plate surface from the bag-shaped cross section can be overlapped on the connecting portion of the single plate structure, and the overlapping portion can be fixed by welding.
　この袋状断面部からの延長板面は、その一態様では、一枚板構造の連結部のガラスラン保持凹部とは反対側の面に重畳することができる。この重畳溶接部の先端には、意匠部との間にウェザストリップ保持部を形成する切起し片を形成することができる。 The extended plate surface from the bag-shaped cross section can be superimposed on the surface opposite to the glass run holding recess of the connecting portion of the single plate structure in one aspect. A cut-and-raised piece for forming a weather strip holding portion between the design weld portion and the design portion can be formed at the tip of the superimposed weld portion.
　また、別の態様では、袋状断面部からの延長板面は、一枚板構造の連結部のガラスラン保持凹部側の面に重ねることもできる。 Moreover, in another aspect, the extended plate surface from the bag-shaped cross-section can be overlaid on the surface of the connecting portion of the single plate structure on the glass run holding recess side.
　意匠部からの延長板面については、この延長板面を一枚板構造の連結部上に重ね、この重畳部を溶接固定することができる。 As for the extended plate surface from the design portion, this extended plate surface can be overlaid on the connecting portion of the single plate structure, and this overlapping portion can be fixed by welding.
　この意匠部からの延長板面は、その一態様では、一枚板構造の連結部のガラスラン保持凹部とは反対側の面に重畳することができる。あるいは、一枚板構造の連結部のガラスラン保持凹部側の面に重畳することもできる。 The extended plate surface from the design portion can be superimposed on the surface opposite to the glass run holding concave portion of the connecting portion of the single plate structure in one aspect. Or it can also superimpose on the glass run holding | maintenance recessed part side surface of the connection part of a single plate structure.
　別の態様では、意匠部には、一枚板構造の連結部との重畳板部を設けず、板材端部を意匠部に位置させることもできる。 In another aspect, the design portion may not be provided with the overlapping plate portion with the connecting portion having a single plate structure, and the end portion of the plate material may be positioned in the design portion.
　一枚板構造の連結部と、この上に重ねた重畳板材との溶接には、レーザ溶接を用いることが好ましい。このレーザ溶接は、該ドアサッシュの延長方向に沿う二列の溶接ラインに沿って、千鳥状に施すと、高い剛性を確保することができる。 It is preferable to use laser welding for welding the connecting portion of the single plate structure and the overlapping plate material stacked thereon. When this laser welding is performed in a staggered manner along two rows of welding lines along the extending direction of the door sash, high rigidity can be ensured.
　本発明の車両用ドアサッシュは、車内側に位置する袋状断面部と、車外側に位置してドア外面の一部となる意匠部と、この袋状断面部と意匠部とを連結する連結部を有し、これらの袋状断面部、意匠部及び連結部は、ガラスラン保持凹部を形成する車両用ドアサッシュにおいて、連結部の少なくとも一部を一枚板構造としたので、軽量化を図ることができる。また、袋状断面部及び（又は）意匠部からの延長板部を一枚板構造の連結部に重ねて溶接するとき、容易かつ確実に溶接することができる。 The vehicle door sash of the present invention includes a bag-like cross-sectional portion located on the inside of the vehicle, a design portion that is located on the outside of the vehicle and becomes a part of the door outer surface, and a connection that connects the bag-like cross-sectional portion and the design portion. The bag-shaped cross section, the design portion, and the connecting portion have a single plate structure in the vehicle door sash that forms the glass run holding recess. Can be planned. Moreover, when the extension plate part from a bag-shaped cross-sectional part and / or a design part is piled up and welded to the connection part of a single plate structure, it can weld easily and reliably.
本発明による車両用ドアサッシュの一実施形態を示す、図７のI-I線に沿う断面図である。It is sectional drawing which follows one II line of FIG. 7 which shows one Embodiment of the door sash for vehicles by this invention. 同別の実施形態を示す、図１に対応する断面図である。It is sectional drawing corresponding to FIG. 1 which shows another embodiment. 同別の実施形態を示す、図１に対応する断面図である。It is sectional drawing corresponding to FIG. 1 which shows another embodiment. 同別の実施形態を示す、図１に対応する断面図である。It is sectional drawing corresponding to FIG. 1 which shows another embodiment. 同別の実施形態を示す、図１に対応する断面図である。It is sectional drawing corresponding to FIG. 1 which shows another embodiment. 同別の実施形態を示す、図１に対応する断面図である。It is sectional drawing corresponding to FIG. 1 which shows another embodiment. 本発明による車両用ドアサッシュを適用する車両ドアの一例を示す側面図である。It is a side view showing an example of a vehicle door to which a vehicle door sash according to the present invention is applied. 図１のドアサッシュのレーザ溶接箇所の好ましい一例を示す展開図である。It is an expanded view which shows a preferable example of the laser welding location of the door sash of FIG. 従来のドアサッシュの一例を示す、図１に対応する断面図である。It is sectional drawing corresponding to FIG. 1 which shows an example of the conventional door sash.
　図７は、本発明による車両用ドアサッシュを適用する乗用車の側面形状を示している。車両ボディＢのドア開口（ドア開口）Ａを開閉する車両ドア１０は、ドア本体（インナパネルとアウタパネル）１１の上部に窓開口１２を形成するドアサッシュ（窓枠）２０を備えている。ドアサッシュ２０は、窓ガラスＷの上縁を受け入れる曲折したアッパサッシュ２０Ａと窓ガラスＷの上下方向縁部を受け入れる立柱サッシュ２０Ｂとを有しており、アッパサッシュ２０Ａと立柱サッシュ２０Ｂは接合（溶接）されている。アッパサッシュ２０Ａは、ドア開口Ａの上縁に沿い、立柱サッシュ２０Ｂは車両ボディＢ（ドア開口Ａ）のセンターピラー１６に沿っている。 FIG. 7 shows a side shape of a passenger car to which the vehicle door sash according to the present invention is applied. A vehicle door 10 that opens and closes a door opening (door opening) A of a vehicle body B includes a door sash (window frame) 20 that forms a window opening 12 on an upper portion of a door body (inner panel and outer panel) 11. The door sash 20 includes a bent upper sash 20A that receives the upper edge of the window glass W and a vertical column sash 20B that receives the vertical edge of the window glass W. The upper sash 20A and the vertical column sash 20B are joined (welded). ) The upper sash 20A is along the upper edge of the door opening A, and the upright pillar sash 20B is along the center pillar 16 of the vehicle body B (door opening A).
　本実施形態のドアサッシュ２０は、アッパサッシュ２０Ａと立柱サッシュ２０Ｂのいずれにも適用できる。図１は、その第１の実施形態を示すもので、図７のI-I線に沿う断面（アッパサッシュ２０Ａ又は（及び）立柱サッシュ２０Ｂの延長方向と直交する断面）の形状を示している。ロール成形によって形成されるこのドアサッシュ２０は、車内側に位置する袋状断面部（閉曲線断面部）２１と、車外側に位置してドア外面の一部となる意匠部２２と、この袋状断面部２１と意匠部２２とを連結する連結部２３を有している。閉曲線からなる袋状断面部２１は、ドアサッシュ２０の強度を主に担う部分である。 The door sash 20 of this embodiment can be applied to both the upper sash 20A and the upright pillar sash 20B. FIG. 1 shows the first embodiment, and shows the shape of a cross section (cross section orthogonal to the extending direction of the upper sash 20A or / and the upright column sash 20B) taken along the line II in FIG. The door sash 20 formed by roll forming includes a bag-shaped cross-section portion (closed curved cross-section portion) 21 located on the inner side of the vehicle, a design portion 22 positioned on the outer side of the vehicle and serving as a part of the door outer surface, and the bag-like shape. It has the connection part 23 which connects the cross-section part 21 and the design part 22. The bag-shaped cross-sectional portion 21 formed of a closed curve is a portion that mainly bears the strength of the door sash 20.
　ロール成形は、図１の断面に示されるドアサッシュ２０の袋状断面部２１、意匠部２２及び連結部２３を、一連の板材によって、一筆書きで描く成形方法である。いま、その始端部（一端部）を始端Ｓ、終端部（他端部）を終端Ｆとし、車内側、車外側、ドアガラスＧ側、及びドア開口Ａ側を基準にこの一筆書き構造を説明する。基準として一枚板構造の連結部２３を用いる。この連結部２３のドア開口Ａ側には、始端Ｓとなる切起し片２４が位置している。切起し片２４の延長部は、連結部２３に重畳部２５で重ねられた後、車内側においてドアガラスＧ側に膨らむ閉曲線を描いて袋状断面部２１を形成し、その後連結部２３に戻る。連結部２３は車外側に延長されて一旦ドアガラスＧ側に曲げられた後折り返されてガラス側意匠部２２ａを形成し、さらに連結部２３の延長部分を超えてドア開口Ａ側に延びた後折り返され、ボディ側意匠部２２ｂを形成する。つまり、一枚板構造の連結部２３の車内側に袋状断面部２１が連続させて形成され、車外側に意匠部２２が連続されて形成されている。 Roll forming is a forming method in which the bag-like cross-sectional portion 21, the design portion 22, and the connecting portion 23 of the door sash 20 shown in the cross-section of FIG. 1 are drawn with a series of plate materials. Now, the starting end portion (one end portion) is the starting end S and the terminal end portion (the other end portion) is the end F, and this one-stroke writing structure is described based on the vehicle interior side, the vehicle exterior side, the door glass G side, and the door opening A side. To do. As a reference, a single plate structure connecting portion 23 is used. A cut-and-raised piece 24 serving as a start end S is located on the door opening A side of the connecting portion 23. The extension part of the cut and raised piece 24 is overlapped on the connecting part 23 by the overlapping part 25, and then forms a bag-like cross-sectional part 21 by drawing a closed curve that swells to the door glass G side on the inside of the vehicle. Return. After the connecting portion 23 is extended to the vehicle exterior side and once bent to the door glass G side, it is folded back to form the glass side design portion 22a, and further extends beyond the extending portion of the connecting portion 23 to the door opening A side. The body side design portion 22b is formed by folding. That is, the bag-shaped cross-sectional portion 21 is formed continuously on the inner side of the connecting portion 23 having a single plate structure, and the design portion 22 is formed continuously on the outer side of the vehicle.
　以上の袋状断面部２１、ガラス側意匠部２２ａ及び連結部２３によってガラスラン保持凹部２６が形成されており、袋状断面部２１とガラス側意匠部２２ａには、ガラスラン保持凹部２６の抜け止め壁（凹凸部）を形成する凹部２６ａと２６ｂが形成されている。ガラスラン保持凹部２６には、凹部２６ａと２６ｂによって抜け止められてガラスランＧＲが保持される。ガラスランＧＲは、ドアガラスＧの周縁を受け入れる。 A glass run holding recess 26 is formed by the bag-like cross-sectional portion 21, the glass side design portion 22a, and the connecting portion 23, and the glass run holding recess 26 is omitted from the bag-like cross section 21 and the glass side design portion 22a. Concave portions 26a and 26b forming stop walls (uneven portions) are formed. The glass run holding recess 26 is retained by the recesses 26a and 26b and holds the glass run GR. The glass run GR receives the periphery of the door glass G.
　ボディ側意匠部２２ｂは、ドア開口Ａ側への端部において折り返された後、連結部２３のドア開口Ａ側（ガラスラン保持凹部２６の反対側の面）に重ねられて重畳部２７を構成する。この重畳部２７の端部が一連の板材の終端Ｆである。このボディ側意匠部２２ｂには、切起し片２４との間にウェザストリップ保持凹部２８を形成する凹部（凸部）２８ａが形成されている。ウェザストリップ保持凹部２８にはウェザストリップＷＳが保持される。 The body side design portion 22b is folded back at the end toward the door opening A, and then overlapped with the door opening A side (surface opposite to the glass run holding recess 26) of the connecting portion 23 to form the overlapping portion 27. To do. The end of this overlapping portion 27 is the end F of the series of plate materials. The body side design portion 22 b is formed with a recess (projection) 28 a that forms a weather strip holding recess 28 between the cut and raised piece 24. The weather strip WS is held in the weather strip holding recess 28.
　連結部２３と重畳部２５、連結部２３と重畳部２７はそれぞれ、本ドアサッシュの延長方向に離散的に設定した溶接箇所Ｗにおいて、レーザ溶接によって結合されている。図１では、便宜上、同一断面に２つの溶接箇所Ｗを示しているが、実際には、図８に示すように、該ドアサッシュの延長方向に沿う二列の溶接ラインに沿って、千鳥状に施すことが好ましい。このような千鳥状のレーザ溶接は、ドアサッシュの剛性を高めるために効果があり、また一台のレーザ溶接機で行うことができるため、コスト低下を図ることができる。 The connecting portion 23 and the overlapping portion 25, and the connecting portion 23 and the overlapping portion 27 are joined by laser welding at welding points W set discretely in the extending direction of the door sash. In FIG. 1, for the sake of convenience, two welding points W are shown in the same cross section, but actually, as shown in FIG. 8, along the two rows of welding lines along the extending direction of the door sash, a staggered pattern is formed. It is preferable to apply. Such staggered laser welding is effective in increasing the rigidity of the door sash, and can be performed with a single laser welding machine, so that the cost can be reduced.
　図２は、本発明による車両用ドアサッシュの第２の実施形態を示している。この実施形態は、一枚板構造の連結部２３から意匠部２２に至る板材の曲折径路を図１の実施形態とは逆にし、連結部２３からまずボディ側意匠部２２ｂを形成した後、ガラス側意匠部２２ａを形成し、重畳部２７を一枚板構造の連結部２３のドアガラスＧ側において該連結部２３に重畳したものである。この他の構成は、図１と同じであり、同一の構成要素には同一の符号を付している。このように重畳部２７をドアガラスＧ側（ガラスラン保持凹部２６側）において一枚板構造の連結部２３に重ねると、ウェザストリップ保持凹部２８と連結部２３の溶接部分Ｗ'に錆びが発生しにくい。 FIG. 2 shows a second embodiment of a vehicle door sash according to the present invention. In this embodiment, the curved path of the plate material extending from the connecting portion 23 having a single-plate structure to the design portion 22 is reversed from that in the embodiment of FIG. 1, and after the body side design portion 22b is first formed from the connecting portion 23, glass The side design portion 22a is formed, and the overlapping portion 27 is overlapped on the connecting portion 23 on the door glass G side of the connecting portion 23 having a single plate structure. Other configurations are the same as those in FIG. 1, and the same components are denoted by the same reference numerals. When the overlapping portion 27 is overlapped with the connecting portion 23 having the single plate structure on the door glass G side (the glass run holding concave portion 26 side) in this way, rust is generated at the weather strip holding concave portion 28 and the welding portion W ′ of the connecting portion 23. Hard to do.
　図３は、図１の実施形態における切起し片２４と凹部（凸部）２８ａを省略した実施形態である。この実施形態では、ウェザストリップ保持凹部２８が平面状の連結部２３とボディ側意匠部２２ｂによって形成されるため、ウェザストリップＷＳはこの連結部２３に接着される。接着には例えば両面テープを用いることができる。 FIG. 3 is an embodiment in which the cut and raised pieces 24 and the concave portions (convex portions) 28a in the embodiment of FIG. 1 are omitted. In this embodiment, since the weather strip holding recess 28 is formed by the planar connecting portion 23 and the body side design portion 22b, the weather strip WS is bonded to the connecting portion 23. For example, a double-sided tape can be used for adhesion.
　図４は、図３の実施形態において、連結部２３に対する重畳部２５と重畳部２７の位置を、ドア開口Ａ側（ガラスラン保持凹部２６とは反対側の面）からドアガラスＧ側（ガラスラン保持凹部２６側の面）に変更した実施形態である。この実施形態によると、図２の実施形態と同様に、重畳部２７と連結部２３の溶接部分Ｗ'及び重畳部２５と連結部２３の溶接部分Ｗ'に錆びが発生しにくい。 FIG. 4 shows the position of the overlapping portion 25 and the overlapping portion 27 with respect to the connecting portion 23 in the embodiment of FIG. 3 from the door opening A side (surface opposite to the glass run holding recess 26) to the door glass G side (glass This is an embodiment in which the surface is changed to the run holding recess 26 side. According to this embodiment, similarly to the embodiment of FIG. 2, rust is unlikely to occur in the welded portion W ′ of the overlapping portion 27 and the connecting portion 23 and the welded portion W ′ of the overlapping portion 25 and the connecting portion 23.
　図５は、図２の実施形態において、重畳部２７を廃止して、板材の終端Ｆをガラス側意匠部２２ａの背面とした実施形態である。この実施形態では、連結部２３との溶接箇所Ｗは、重畳部２５の一箇所のみである。 FIG. 5 is an embodiment in which the overlapping portion 27 is eliminated and the end F of the plate material is used as the back surface of the glass side design portion 22a in the embodiment of FIG. In this embodiment, the welding location W with the connecting portion 23 is only one location of the overlapping portion 25.
　図６は、一枚板構造の連結部２３から意匠部２２に至る板材の曲折径路を図５の実施形態とは逆にし、連結部２３からまずガラス側意匠部２２ａを形成した後ボディ側意匠部２２ｂを形成したもので、板材の終端Ｆをボディ側意匠部２２ｂの背面とした実施形態である。この実施形態は、袋状断面部２１及び凹部２６ａの形状も図５の実施形態とは異なる。 FIG. 6 shows the body side design after first forming the glass side design portion 22a from the connection portion 23 by reversing the bending path of the plate material from the connection portion 23 of the single plate structure to the design portion 22 in the embodiment of FIG. This is an embodiment in which the portion 22b is formed and the end F of the plate material is the back surface of the body side design portion 22b. In this embodiment, the shape of the bag-shaped cross-section 21 and the recess 26a is also different from the embodiment of FIG.
　図２ないし図６の実施形態については、特に溶接箇所Ｗについて言及しなかったが、図８で説明したレーザ溶接による千鳥溶接をそのまま適用することができる。もっとも、本発明は、レーザ溶接以外の溶接を用いることを妨げるものではない。 2 to 6, the welding point W is not particularly mentioned, but the staggered welding by laser welding described in FIG. 8 can be applied as it is. However, the present invention does not prevent the use of welding other than laser welding.
　本発明によるロール成形の車両用ドアサッシュは、車両用ドアに広く適用して軽量化を図り、溶接作業を容易にすることができる。 The roll door vehicular sash according to the present invention can be widely applied to vehicular doors to reduce weight and facilitate welding work.
Ｂ　車両ボディ
Ａ　ドア開口（ボディ開口）
Ｇ　窓ガラス
１０　車両ドア
１１　ドア本体
１２　窓開口
１６　センターピラー
２０　ドアサッシュ
２０Ａ　アッパサッシュ
２０Ｂ　立柱サッシュ
２１　袋状断面部
２２　意匠部
２２ａ　ガラス側意匠部
２２ｂ　ボディ側意匠部
２３　連結部
２４　切起し片
２５　２７　重畳部
２６　ガラスラン保持凹部
２６ａ　２６ｂ　凹部
２８　ウェザストリップ保持凹部
ＧＲ　ガラスラン
ＷＳ　ウェザストリップ
Ｗ　Ｗ'　溶接部分 B Vehicle body A Door opening (body opening)
G Window glass 10 Vehicle door 11 Door main body 12 Window opening 16 Center pillar 20 Door sash 20A Upper sash 20B Standing pillar sash 21 Bag-shaped cross section 22 Design part 22a Glass side design part 22b Body side design part 23 Connecting part 24 Cut and raised piece 25 27 Overlapping portion 26 Glass run holding recess 26a 26b Recess 28 Weather strip holding recess GR Glass run WS Weather strip WW 'Welded portion

Claims (11)

  1. ロール成形品からなる車両用ドアサッシュであって、延長方向と直交する断面において、車内側に位置する袋状断面部と、車外側に位置してドア外面の一部となる意匠部と、この袋状断面部と意匠部とを連結する連結部を有し、これらの袋状断面部、意匠部及び連結部は、ガラスラン保持凹部を形成する車両用ドアサッシュにおいて、
    　上記連結部は、少なくとも一部が一枚板構造からなることを特徴とする車両用ドアサッシュ。     A vehicular door sash made of a roll-formed product, and in a cross section orthogonal to the extending direction, a bag-like cross-sectional portion located on the inner side of the vehicle, a design portion that is located on the outer side of the vehicle and becomes a part of the door outer surface, In the vehicle door sash that has a connecting portion that connects the bag-shaped cross-sectional portion and the design portion, and these bag-shaped cross-sectional portion, the design portion, and the connecting portion form a glass run holding recess,
    At least a part of the connecting part has a single-plate structure.
  2. 請求の範囲１記載の車両用ドアサッシュにおいて、上記袋状断面部からの延長板面が一枚板構造の連結部上に重ねられ、この重畳部が溶接固定されている車両用ドアサッシュ。 The vehicle door sash according to claim 1, wherein an extended plate surface from the bag-like cross-sectional portion is overlapped on a connecting portion having a single plate structure, and the overlapping portion is fixed by welding.
  3. 請求の範囲２記載の車両用ドアサッシュにおいて、上記袋状断面部からの延長板面は、一枚板構造の連結部のガラスラン保持凹部とは反対側の面に重畳されている車両用ドアサッシュ。 The vehicle door sash according to claim 2, wherein an extended plate surface from the bag-like cross-sectional portion is superimposed on a surface opposite to the glass run holding concave portion of the connecting portion of the single plate structure. Sash.
  4. 請求の範囲３記載の車両用ドアサッシュにおいて、上記袋状断面部からの延長板面は、上記重畳溶接部の先端に、上記意匠部との間にウェザストリップ保持部を形成する切起し片を有している車両用ドアサッシュ。 4. The vehicular door sash according to claim 3, wherein the extension plate surface from the bag-shaped cross-sectional portion forms a weatherstrip holding portion between the design portion and the tip of the overlap weld portion. Have a vehicle door sash.
  5. 請求の範囲２記載の車両用ドアサッシュにおいて、上記袋状断面部からの延長板面は、一枚板構造の連結部のガラスラン保持凹部側の面に重ねられている車両用ドアサッシュ。 The vehicle door sash according to claim 2, wherein an extension plate surface from the bag-shaped cross-section is overlapped with a surface of the connecting portion of the single plate structure on the glass run holding recess side.
  6. 請求の範囲１または２記載の車両用ドアサッシュにおいて、上記意匠部からの延長板面が一枚板構造の連結部上に重ねられ、この重畳部が溶接固定されている車両用ドアサッシュ。 The vehicle door sash according to claim 1 or 2, wherein an extended plate surface from the design portion is overlapped on a connecting portion having a single plate structure, and the overlapping portion is fixed by welding.
  7. 請求の範囲６記載の車両用ドアサッシュにおいて、上記意匠部からの延長板面は、一枚板構造の連結部のガラスラン保持凹部とは反対側の面に重畳されている車両用ドアサッシュ。 7. The vehicle door sash according to claim 6, wherein an extended plate surface from the design portion is superimposed on a surface opposite to the glass run holding concave portion of the connecting portion of the single plate structure.
  8. 請求の範囲６記載の車両用ドアサッシュにおいて、上記意匠部からの延長板面は、一枚板構造の連結部のガラスラン保持凹部側の面に重畳されている車両用ドアサッシュ。 The vehicle door sash according to claim 6, wherein an extended plate surface from the design portion is superimposed on a surface of the connecting portion of the single plate structure on the glass run holding concave portion side.
  9. 請求の範囲１または２記載の車両用ドアサッシュにおいて、上記意匠部は、一枚板構造の連結部との重畳板部を備えておらず、該意匠部に板材端部が位置している車両用ドアサッシュ。 The vehicle door sash according to claim 1 or 2, wherein the design portion does not include an overlapping plate portion with a connecting portion having a single plate structure, and the end portion of the plate material is positioned in the design portion. Door sash.
  10. 請求の範囲２ないし９のいずれかに記載の車両用ドアサッシュにおいて、上記溶接手段は少なくともレーザ溶接を含んでいる車両用ドアサッシュ。 10. The vehicle door sash according to claim 2, wherein the welding means includes at least laser welding.
  11. 請求の範囲１０記載の車両用ドアサッシュにおいて、上記レーザ溶接は、該ドアサッシュの延長方向に沿う二列の溶接ラインに沿って、千鳥状に施されている車両用ドアサッシュ。 The vehicle door sash according to claim 10, wherein the laser welding is performed in a staggered manner along two rows of welding lines along an extension direction of the door sash.
PCT/JP2009/060343 2008-07-02 2009-06-05 Vehicle door sash WO2010001685A1 (en)

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JP2008-173755 2008-07-02
JP2008173755A JP5243864B2 (en) 2008-07-02 2008-07-02 Vehicle door sash

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JP2013112077A (en) * 2011-11-25 2013-06-10 Honda Motor Co Ltd Lateral structure of vehicle body
WO2015049960A1 (en) * 2013-10-04 2015-04-09 本田技研工業株式会社 Door sash
WO2017002721A1 (en) * 2015-06-29 2017-01-05 いすゞ自動車株式会社 Seal structure for front panel
CN116039349A (en) * 2022-08-12 2023-05-02 宁波信泰机械有限公司 A laser welded door frame

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JP5319182B2 (en) * 2008-07-02 2013-10-16 シロキ工業株式会社 Vehicle door sash
JP6203470B2 (en) * 2011-07-12 2017-09-27 シロキ工業株式会社 Door sash
JP6081717B2 (en) * 2012-05-10 2017-02-15 シロキ工業株式会社 Vehicle door frame
JP6454499B2 (en) * 2014-09-04 2019-01-16 三恵技研工業株式会社 Door sash
JP7016239B2 (en) * 2017-10-27 2022-02-21 シロキ工業株式会社 Vehicle door sash

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JP2013112077A (en) * 2011-11-25 2013-06-10 Honda Motor Co Ltd Lateral structure of vehicle body
WO2015049960A1 (en) * 2013-10-04 2015-04-09 本田技研工業株式会社 Door sash
WO2017002721A1 (en) * 2015-06-29 2017-01-05 いすゞ自動車株式会社 Seal structure for front panel
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CN116039349A (en) * 2022-08-12 2023-05-02 宁波信泰机械有限公司 A laser welded door frame

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