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US20120198775A1 - Vehicle door frame structure and method of producing vehicle door frame - Google Patents

Vehicle door frame structure and method of producing vehicle door frame Download PDF

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Publication number
US20120198775A1
US20120198775A1 US13/446,055 US201213446055A US2012198775A1 US 20120198775 A1 US20120198775 A1 US 20120198775A1 US 201213446055 A US201213446055 A US 201213446055A US 2012198775 A1 US2012198775 A1 US 2012198775A1
Authority
US
United States
Prior art keywords
glass
design
sash
door
vehicle
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US13/446,055
Other languages
English (en)
Inventor
Katsuhisa Fukui
Tadashi Mutoh
Atsuo Noda
Kazuyoshi Yokota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shiroki Corp
Original Assignee
Shiroki Corp
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 Shiroki Corp filed Critical Shiroki Corp
Assigned to SHIROKI CORPORATION reassignment SHIROKI CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUKUI, KATSUHISA, MUTOH, TADASHI, NODA, ATSUO, YOKOTA, KAZUYOSHI
Publication of US20120198775A1 publication Critical patent/US20120198775A1/en
Priority to US14/094,050 priority Critical patent/US9027285B2/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • B60J5/0463—Conceptual assembling of door, i.e. how door frame parts should be fitted together to form door
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49622—Vehicular structural member making

Definitions

  • the present invention relates to a vehicle door frame structure and a method of producing the vehicle door frame.
  • FIG. 9 shows a front left door of a passenger vehicle, viewed from the vehicle exterior side.
  • the door 50 is provided with a door panel 51 and a door frame 52 positioned on top of the door panel 51 , and the area which is surrounded by the upper edge of the door panel 51 and the inner edge of the door frame 52 is defined as a window opening 53 .
  • a door glass 54 is installed in the window opening 53 to be movable up and down.
  • a glass guide portion 55 having a U-shaped (concave-shaped) cross section which is open toward the window opening 53 is formed on the inner periphery of the door frame 52 , and an outer peripheral edge of the door glass 54 enters the glass guide portion 55 when the door glass 54 closes the window opening 53 .
  • a glass run 56 made of an elastic material is fitted in and held by the glass guide portion 55 , and the edge of the door glass 54 which has entered the glass guide portion 55 is elastically held by lips 56 a and 56 b of the glass run 56 therebetween from the vehicle interior side and the vehicle exterior side, respectively. Note that FIG.
  • the glass guide portion 55 is provided on the vehicle interior side with a side wall portion 55 a which supports the lip 56 a and provided on the vehicle exterior side with a side wall portion 55 b which supports the lip 56 b on the vehicle exterior side.
  • the door frame 52 is provided with an upper sash 57 which forms the upper edge of the door and a side sash 58 which extends upwards from the rear of the door panel 51 .
  • an upper sash 57 which forms the upper edge of the door and a side sash 58 which extends upwards from the rear of the door panel 51 .
  • a cross-section structure of the side sash 58 is shown in FIG. 10
  • the upper sash 57 also has a similar door glass holding structure composed of the glass guide portion 55 and the glass run 56 .
  • the width for holding the door glass 54 by the glass guide portion 55 (the amount of overlapping between the door glass 54 and the side wall portions 55 a and 55 b ) in the upper sash 57 and the width for holding the door glass 54 by the glass guide portion 55 (the amount of overlapping between the door glass 54 and the side wall portions 55 a and 55 b ) in the side sash 58 are made different from each other.
  • the side sash 58 it is sometimes required to enhance the retention capability by increasing the width for holding the door glass by the glass guide portion 55 so as to prevent the door glass 54 from vibrating and rattling in a half-open state, whereas in the upper sash 57 it is sometimes required to reduce the width for holding the door glass by the glass guide portion 55 (especially the side wall portion 55 b ) so as to narrow the width of the design portion outwardly exposed.
  • a frame portion of the upper sash and a frame portion of the side sash are formed as separate members having mutually different glass-holding widths in the glass guide portion and joined to each other at a corner portion of the door frame which corresponds to the boundary between the upper sash and the side sash.
  • the present invention provides a vehicle door frame structure which is low in production cost, high in productivity, and superior in flexibility of the setting of the cross sectional shape of the frame at different portions in the lengthwise direction of the frame, especially in the width of the design portion.
  • the present invention provides a vehicle door frame structure which includes an upper sash portion that holds an upper edge of an upward/downward movable door glass, a side sash portion that holds a side edge of the door glass and a corner portion positioned at a boundary between the upper sash portion and the side sash portion, the vehicle door frame structure including a frame body which includes a glass-opposing portion that is opposed to an edge of the door glass, a design portion that is positioned on one side of the glass-opposing portion on a vehicle exterior side and a tubular portion that is positioned on the other side of the glass-opposing portion on a vehicle interior side, wherein the frame body is structured as a single member which is continuous from the upper sash portion to the side sash portion by forming a glass guide portion from the glass-opposing portion, the design portion and the tubular portion so that the glass guide portion has a concave-shaped cross section surrounding the edge of the door glass, by forming the tubular portion to have a uniform cross
  • the design portion in the glass guide portion formation area vary in width
  • variations can be given to the cross sectional shape of the glass guide portion, more specifically to the glass holding width.
  • the glass holding width can be increased in the side sash portion while the width of the design portion of the door frame can be reduced in the upper sash portion.
  • the present invention also provides a method of producing a vehicle door frame which includes an upper sash portion that holds an upper edge of an upward/downward movable door glass, a side sash portion that holds a side edge of the door glass and a corner portion positioned at a boundary between the upper sash portion and the side sash portion, the method including forming a frame body which is continuous from the upper sash portion to the side sash portion by forming a linear member from a metal plate which has a length extending at least from the upper sash portion to the side sash portion so that the linear member has an uniform cross sectional shape which includes a glass-opposing portion that is opposed to an edge of the door glass, a design portion that is positioned on one side of the glass-opposing portion on a vehicle exterior side, a tubular portion that is positioned on the other side of the glass-opposing portion on a vehicle interior side, and a glass guide portion which has a concave-shaped cross section surrounding the edge of the door
  • the production cost can be kept down and the productivity is excellent compared with a structure in which separate frames are joined to each other at a corner of the door because the body of the door frame that includes the design portion, the tubular portion, the glass-opposing portion and the glass guide portion is configured from the frame body that consists of a single member which is continuous from the upper sash portion to the side sash portion.
  • the vehicle door frame structure according to the present invention is superior in ensuring the strength of the door frame.
  • an appropriate width of the design portion can be easily set for each portion of the frame by making the design portion in the frame body vary in width at least one area along length of the design portion. For instance, by making the design portion in the glass guide portion formation area vary in width, variations can be given to the width for holding the door glass by the glass guide portion.
  • FIG. 1 is an exploded perspective view a door frame to which the present invention has been applied;
  • FIG. 2 is a perspective view showing a cross sectional shape of a portion of an inner frame which serves as an element of the door frame shown in FIG. 1 ;
  • FIG. 3 is across sectional view of the upper sash portion of the inner frame, taken along the line A-A shown in FIG. 1 ;
  • FIG. 4 is a cross sectional view of the rear side sash portion of the inner frame, taken along the line B-B shown in FIG. 1 ;
  • FIG. 5 is an enlarged perspective view of a front corner portion of the inner frame
  • FIG. 6 is an enlarged perspective view of a portion of the door frame in the vicinity of the front corner portion in a completed state of the door frame;
  • FIG. 7 is an enlarged perspective view of the rear corner portion of the inner frame
  • FIG. 8 is an enlarged perspective view of a portion of the door frame in the vicinity of the rear corner portion in a completed state of the door frame;
  • FIG. 9 is a diagram showing an outline structure of a vehicle door.
  • FIG. 10 is a cross sectional view taken along the line C-C shown in FIG. 9 , showing an example of a conventional door frame.
  • a door frame 10 that is shown in FIG. 1 in an exploded state is a portion corresponding to the door frame 52 of the door 50 that has been described above with reference to FIG. 9 .
  • the door frame 10 is applied to a front right door of a passenger vehicle.
  • the door frame 10 is composed of an inner frame (frame body) 11 , an exterior member 12 , a front corner patch 13 , a rear corner patch 14 and a reinforcement member 15 .
  • the inner frame 11 is formed of a sheet metal material; firstly formed into a linear member having the cross sectional shape shown in FIGS. 2 through 4 by roll forming process, and subsequently deformed by bending at a front corner portion H 1 and a rear corner portion H 2 at intermediate points in the lengthwise direction to form a front side sash portion 11 X, an upper sash side portion 11 Y and a rear side sash portion 11 Z.
  • the area surrounded by the front side sash portion 11 X, the upper sash side portion 11 Y and the rear side sash portion 11 Z is defined as a window opening 16 in which a door glass G ( FIGS. 3 and 4 ) is moved up and down.
  • the side of the inner frame 11 which faces the window opening 16 is referred to as the inner periphery of the inner frame 11 (the door frame 10 ) and the opposite side of the inner frame 11 from the inner periphery thereof is referred to as the outer periphery of the inner frame 11 .
  • the lower parts of the front side sash portion 11 X and the rear side sash portion 11 Z are fixed to a door panel not shown in the drawings.
  • the inner frame 11 is provided with a tubular portion 11 a having a closed cross sectional shape which is positioned on the vehicle interior side; a pair of planate portions (glass-opposing portion) 11 b and 11 c which extend toward the vehicle exterior side in a direction substantially parallel to the tubular portion 11 a ; an outer-periphery design portion 11 d which is formed by bending the end of the planate portion 11 b on the vehicle exterior side toward the outer periphery of the inner frame 11 ; and an inner-periphery design portion (glass guide portion formation area in the design portion) 11 e which is formed by bending the end of the planate portion 11 c on the vehicle exterior side toward the inner periphery of the inner frame 11 .
  • Part of the tubular portion 11 a constitutes an upright wall portion 11 f which faces the inner-periphery design portion 11 e , and a concave-shaped cross sectional portion which is open toward the inner periphery of the inner frame 11 (to the window opening 16 ) constitutes the glass guide portion 20 with the inner-periphery design portion 11 e and the upright wall portion 11 f as side walls and with the planate portion 11 c as the base surface.
  • a glass run made of an elastic material is held in the glass guide portion 20 . Similar to the glass run 56 shown in FIG.
  • the outer-periphery design portion 11 d and the inner-periphery design portion 11 e are aligned to be substantially flush with each other so as to constitute a design portion which faces toward the vehicle external side.
  • the outer-periphery design portion 11 d is cut out, as shown in FIGS. 4 and 7 ; instead, an outer-periphery design portion 15 a ( FIG. 4 ) of the reinforcement member 15 and the inner-periphery design portion 11 e constitute a design portion which faces toward the vehicle exterior side.
  • the design portion (the outer-periphery design portion 11 d and the inner-periphery design portion 11 e ) and a part of the planate portions 11 b and 11 c are cut out at each of the front corner portion H 1 , which corresponds to the boundary between the front side sash portion 11 X and the upper sash portion 11 Y, and the rear corner portion H 2 , which corresponds to the boundary between the upper sash portion 11 Y and the rear side sash portion 11 Z, so that only the entire part of the tubular portion 11 a and part of the planate portions 11 b and 11 c remain.
  • This cutting out of the design portion is carried out after bending process for forming each corner portion H 1 and H 2 is performed on the inner frame 11 , thereby removing improperly deformed portions such as wrinkles created by the aforementioned bending process. Since the tubular portion 11 a remains at each corner portion H 1 and H 2 , the inner frame 11 as a whole can secure a sufficient strength even if the design portion is cut out.
  • the front corner patch 13 and the rear corner patch 14 are installed to the front corner portion H 1 and the rear corner portion H 2 of the inner frame 11 , respectively.
  • the front corner patch 13 is provided with a connection design portion 13 a (partly shown in FIGS. 1 and 6 ) which is substantially flush with the outer-periphery design portion 11 d and the inner-periphery design portion 11 e of the inner frame 11 in a state where the front corner patch 13 is fixed to the front corner portion H 1 .
  • the rear corner patch 14 is provided with a connection design portion 14 a (partly shown in FIGS.
  • the exterior member 12 is brought into contact with the design portions ( 11 d , 11 e , 13 a , 14 a and 15 a ) of the inner frame 11 , the front and rear corner patches 13 and 14 and the reinforcement member 15 from the vehicle external side and fixed thereto by hemming, in which both edges of the exterior member 12 are folded back toward the vehicle interior side.
  • each hemmed portion 12 b and 12 c in each of the front side portion 12 X and the upper portion 12 Y is substantially constant over the exterior member 12 in the lengthwise direction thereof, however the folding-back amount (width) of the hemmed portion 12 b and (or) the hemmed portion 12 c in the front side portion 12 X and (or) the upper portion 12 Y can vary.
  • the rear side portion 12 Z of the exterior member 12 is joined to the inner frame 11 by clamping the inner-periphery design portion 11 e with the hemmed portion 12 c that is formed by folding the inner peripheral edge of a wide design surface 12 a -W back toward the vehicle interior side with the wide design surface 12 a -W brought in contact with vehicle external side surfaces of the outer-periphery design portion 15 a of the reinforcement member 15 and the inner-periphery design portion 11 e of the inner frame 11 so as to extend over these vehicle external side surfaces.
  • the exterior member 12 and the front corner patch 13 are joined to each other by clamping the connection design portion 13 a of the front corner patch 13 with the hemmed portions 12 b and 12 c of each of the front side portion 12 X and the upper portion 12 Y (see FIG. 6 ).
  • the exterior member 12 and the rear corner patch 14 are joined to each other by clamping the connection design portion 14 a of the rear corner patch 14 with the hemmed portions 12 b and 12 c of each of the upper portion 12 Y and the rear side portion 12 Z (see FIG. 8 ).
  • the outer-periphery design portion 11 d and the inner-periphery design portion 11 e are cut out at the front corner portion H 1 and the rear corner portion H 2 and the outer-periphery design portion 11 d is cut out at the rear side sash portion 11 Z; however, other parts of the inner frame 11 , especially the tubular portion 11 a basically has a uniform cross sectional shape over the entirety of the inner frame 11 in the lengthwise direction thereof.
  • the width (amount of projection from the planate portion 11 c in a direction toward the inner periphery of the frame) D 2 in the rear side sash portion 11 Z is set to be greater than the width (amount of projection from the planate portion 11 c in a direction toward the inner periphery of the frame) D 1 in the upper sash portion 11 Y as can be seen from a comparison between FIGS. 3 and 4 .
  • the overlapping width E 1 between the door glass G which enters the glass guide portion 20 and the inner-periphery design portion 11 e in the upper sash portion 11 Y, and the overlapping width E 2 between the door glass G which enters the glass guide portion 20 and the inner-periphery design portion 11 e in the rear side sash portion 11 Z are mutually different, i.e., the condition E 1 ⁇ E 2 is attained.
  • the width (E 2 ) for holding the door glass G by the glass guide portion 20 in the rear side sash portion 11 Z becomes greater than the width (E 1 ) for holding the door glass G by the glass guide portion 20 in the upper sash portion 11 Y.
  • the installation of the glass run (not shown) to the glass guide portion 20 increases the holding strength for the door glass G to thereby make it possible to reliably prevent the door glass G from vibrating and rattling in the rear side sash portion 11 Z.
  • the width of inner-periphery design portion 11 e is reduced, which makes it possible to narrow the design portion, thereby increasing the degree of freedom in design of the door frame 10 . Since the door glass G is in the fully closed state when the upper edge of the door glass G enters the glass guide portion 20 of the upper sash portion 11 Y, the door glass G can be held with a narrow holding width (E 1 ) with a sufficient degree of stability, unlike the rear side sash portion 11 Z that is required to hold the door glass G even in a half-open state thereof.
  • the width of the inner periphery design portion 11 e can be made to be substantially uniform or vary gradually within the range of each of the front side sash portion 11 X, the upper sash portion 11 Y and the rear side sash portion 11 Z.
  • the present invention is not limited to this embodiment.
  • the inner frame 11 includes the front side sash portion 11 X that bends at the front corner portion H 1 with respect to the upper sash portion 11 Y in the present embodiment of the door frame 10
  • the present invention can also be applied to a type of door frame in which the inner frame includes no bent portion corresponding to the front corner portion H 1 and in which the upper sash portion is gently curved to be connected to a door panel.
  • the reinforcement member 15 that is a separate member from the inner frame 11 is used for the formation of a design portion at the rear side sash portion 11 Z of the inner frame 11 in the present embodiment, it is possible to form the design portion solely by the inner frame 11 in a similar manner to the upper sash portion 11 Y. More specifically, it is possible to leave the outer-periphery design portion 11 d without cutting out the rear side sash portion 11 Z to form the design portion from the outer-periphery design portion 11 d and the inner-periphery design portion 11 e.
  • tubular portion 11 a of the inner frame 11 of the present embodiment is formed to have a closed cross section
  • the present invention can also be applied to a door frame provided with a tubular portion having no closed cross section.
  • the present invention relates to a door frame structure applied to a vehicle such as an automobile and a method of producing the door frame, and a reduction in production cost, an improvement in productivity and an improvement in strength of the door frame can be achieved by forming the body of the door frame from a frame body consisting of a single member which is continuous from the upper sash portion to the side sash portion.
  • the degree of freedom in vehicle design can be increased by setting an appropriate width of the design portion at each portion of the frame by making the width of the design portion in the frame body vary at least one point in the lengthwise direction of the design portion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
US13/446,055 2009-10-14 2012-04-13 Vehicle door frame structure and method of producing vehicle door frame Abandoned US20120198775A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/094,050 US9027285B2 (en) 2009-10-14 2013-12-02 Method of producing vehicle door frame

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009-237089 2009-10-14
JP2009237089A JP5469424B2 (ja) 2009-10-14 2009-10-14 車両のドアフレーム製造方法
PCT/JP2010/067722 WO2011046068A1 (fr) 2009-10-14 2010-10-08 Structure pour encadrement de portière de véhicule et procédé de fabrication d'encadrement de portière de véhicule

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2010/067722 Continuation WO2011046068A1 (fr) 2009-10-14 2010-10-08 Structure pour encadrement de portière de véhicule et procédé de fabrication d'encadrement de portière de véhicule

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/094,050 Division US9027285B2 (en) 2009-10-14 2013-12-02 Method of producing vehicle door frame

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Publication Number Publication Date
US20120198775A1 true US20120198775A1 (en) 2012-08-09

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US13/446,055 Abandoned US20120198775A1 (en) 2009-10-14 2012-04-13 Vehicle door frame structure and method of producing vehicle door frame
US14/094,050 Expired - Fee Related US9027285B2 (en) 2009-10-14 2013-12-02 Method of producing vehicle door frame

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Application Number Title Priority Date Filing Date
US14/094,050 Expired - Fee Related US9027285B2 (en) 2009-10-14 2013-12-02 Method of producing vehicle door frame

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US (2) US20120198775A1 (fr)
JP (1) JP5469424B2 (fr)
CN (1) CN102574445A (fr)
WO (1) WO2011046068A1 (fr)

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WO2018109007A1 (fr) * 2016-12-15 2018-06-21 Jaguar Land Rover Limited Structure de support pour une vitre mobile d'une portière d'un véhicule
US10259297B2 (en) * 2016-09-21 2019-04-16 Shiroki Corporation Vehicle door frame
US11220162B2 (en) * 2019-08-08 2022-01-11 Hyundai Motor Company Door frame for vehicles

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JP5716502B2 (ja) 2011-04-06 2015-05-13 ソニー株式会社 情報処理装置、情報処理方法およびコンピュータプログラム
JP5716503B2 (ja) 2011-04-06 2015-05-13 ソニー株式会社 情報処理装置、情報処理方法およびコンピュータプログラム
JP6203470B2 (ja) * 2011-07-12 2017-09-27 シロキ工業株式会社 ドアサッシュ
JP2014208377A (ja) * 2013-03-29 2014-11-06 シロキ工業株式会社 メッキ鋼板と生鋼板の溶接方法及び車両用ドアサッシュの溶接方法
WO2014163133A1 (fr) * 2013-04-05 2014-10-09 シロキ工業株式会社 Cadre de porte de véhicule comprenant un cadre de pilier vertical
JP6214921B2 (ja) * 2013-05-20 2017-10-18 シロキ工業株式会社 車両のドアフレーム
KR101518908B1 (ko) * 2013-11-08 2015-05-11 현대자동차 주식회사 자동차의 도어 프레임
CN104772572B (zh) * 2014-01-09 2018-10-12 白木工业株式会社 异种铝合金材料的接合体以及车辆用门
JP6731330B2 (ja) * 2016-11-11 2020-07-29 シロキ工業株式会社 ドアチャンネル
JP7027122B2 (ja) * 2017-10-27 2022-03-01 シロキ工業株式会社 車両用ドアサッシュのシーム溶接方法
CN111319433B (zh) * 2020-03-19 2021-10-22 北京汽车股份有限公司 玻璃导轨和车门

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10259297B2 (en) * 2016-09-21 2019-04-16 Shiroki Corporation Vehicle door frame
WO2018109007A1 (fr) * 2016-12-15 2018-06-21 Jaguar Land Rover Limited Structure de support pour une vitre mobile d'une portière d'un véhicule
US11220162B2 (en) * 2019-08-08 2022-01-11 Hyundai Motor Company Door frame for vehicles

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US20140157602A1 (en) 2014-06-12
CN102574445A (zh) 2012-07-11
JP2011084128A (ja) 2011-04-28
JP5469424B2 (ja) 2014-04-16
WO2011046068A1 (fr) 2011-04-21
US9027285B2 (en) 2015-05-12

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