KR20050027702A - Finish structure of roof panel for car - Google Patents

Finish structure of roof panel for car Download PDF

Info

Publication number
KR20050027702A
KR20050027702A KR1020030064062A KR20030064062A KR20050027702A KR 20050027702 A KR20050027702 A KR 20050027702A KR 1020030064062 A KR1020030064062 A KR 1020030064062A KR 20030064062 A KR20030064062 A KR 20030064062A KR 20050027702 A KR20050027702 A KR 20050027702A
Authority
KR
South Korea
Prior art keywords
roof panel
panel
synthetic resin
vehicle
resin core
Prior art date
Application number
KR1020030064062A
Other languages
Korean (ko)
Inventor
권희상
Original Assignee
현대자동차주식회사
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 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020030064062A priority Critical patent/KR20050027702A/en
Publication of KR20050027702A publication Critical patent/KR20050027702A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/06—Fixed roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/002—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material a foamable synthetic material or metal being added in situ

Abstract

A roof panel finishing structure of a vehicle is provided to lighten and strengthen the vehicle by a sandwich panel comprising a synthetic resin core as a center and A1 skin materials on the front/back surface of the center and to improve combination and appearance without any change of the existing vehicle structure by bonding and hemming an end part of the sandwich panel with an end part of a steel bracket. In a roof panel finishing structure of a vehicle, the distal end portion of an inner panel(12) is curved and welded on inner surface of an end part of a roof panel(10). An end part of an additional steel bracket(13) is bonded and hemmed with the end part of the roof panel having the inner panel welded together. The roof panel of the vehicle is composed of a synthetic resin core(14) placed in the middle of the roof panel and each A1 skin material(15, 16) integrally installed on the front/back surface of the synthetic resin. The synthetic resin core is made from polypropylene.

Description

자동차용 루프패널의 마감구조{Finish structure of roof panel for car}Finish structure of roof panel for car}

본 발명은 자동차용 루프패널의 마감구조에 관한 것으로서, 더욱 상세하게는, 종래 철재로 된 루프패널을 본 발명에서는 합성수지코어를 중심으로 그 전 후면에 각각의 Al 스킨재를 상기 합성수지코어와 일체가 되게 설치하여 된 샌드위치패널로 하고 그 샌드위치패널의 끝 부분에 별도로 마련된 스틸브래킷 끝 부분일부와 함께 본딩하고 헤밍처리 하여 된 자동차용 루프패널의 마감구조에 관한 것이다.The present invention relates to a finishing structure of a roof panel for an automobile, and more particularly, in the present invention, a roof panel made of a conventional steel is integrally formed with each of the Al skin materials on the front and back of the synthetic resin core. The present invention relates to a finishing structure of a roof panel for automobiles, which is made of sandwich panels, which are bonded and hemmed together with a part of steel bracket ends separately provided at the ends of the sandwich panels.

상기 헤밍처리라 함은 판재의 끝 부분을 접어서 포개는 결합공정의 일종으로서, 본 발명에서는 자동차용 루프패널의 끝 부분이 별도의 스틸브래킷 끝 부분을 감싸며 접는 형태를 이의하는 것이고, 이와 같은 헤밍처리 방법의 기술은 특허등록번호 제 200150호에 있다.The hemming treatment is a kind of bonding process in which an end portion of a sheet is folded and overlapped. In the present invention, the end portion of the roof panel for automobiles is folded to surround a separate steel bracket end portion. The description of the method is in patent registration number 200150.

일반적으로 자동차용 루프패널이라 함은 도 1에 나타낸 바와 같이 자동차의 천장을 이루는 패널을 의미하는 것으로서, 종래 자동차용 루프패널(10)의 끝 부분(11) 마감구조 제1실시예는 도 2a 나타낸 바와 같이 자동차의 루프패널 끝 부분(11)과 그 끝 부분과 일정 폭 만큼 면 접촉되도록 인너패널(12)의 선단 부분 일부를 접어서 점 용접을 하고 있으나, 이는 상기 루프패널(10)의 끝 부분과 인너패널(12)의 절곡부분이 노출되고, 또, 셀프-피어싱(Self-piercing)자국이 발생하여 자동차의 외관이 미려하지 못한 문제점이 있다.In general, the vehicle roof panel refers to a panel forming a ceiling of the vehicle as shown in FIG. 1, and the first embodiment of the end structure 11 of the conventional roof panel 10 is illustrated in FIG. 2A. As described above, a part of the end portion of the inner panel 12 is folded and spot welded so that the roof panel end portion 11 of the vehicle and the end portion thereof are in contact with the end portion by a predetermined width. The bent portion of the inner panel 12 is exposed, and there is a problem in that the appearance of the car is not beautiful due to self-piercing marks.

또한, 상기 제1실시예와 다른 상태의 종래 자동차용 루프패널(10)의 끝 부분 마감구조 제2실시예는 도 2b 나타낸 바와 같이 자동차의 루프패널(10) 끝 부분(11)과 그 끝 부분과 일정 폭 만큼 면 접촉되도록 인너패널(12)의 선단 부분 일부를 접어서 점 용접하되, 상기 루프패널(10)의 끝 부분을 접어 헤밍처리 함으로 그에 따른 작업의 난이성과 상기 제1실시예와 마찬가지로 셀프-피어싱(Self-piercing)자국이 발생하여 자동차의 외관이 미려하지 못한 문제점이 있다.In addition, the second embodiment of the end structure of the conventional automotive roof panel 10 in a state different from that of the first embodiment, as shown in Figure 2b the end portion 11 and the end portion of the roof panel 10 of the vehicle Fold and spot weld a portion of the tip of the inner panel 12 so as to be in contact with the surface by a predetermined width, and by folding the end of the roof panel 10 to hemming process, the difficulty of the work and the self as in the first embodiment -There is a problem that the appearance of the car is not beautiful due to the occurrence of self-piercing marks.

또, 상기 제1 및 제2실시예와 다른 상태의 종래 자동차용 루프패널(10)의 끝 부분 마감구조 제3실시예는 도 2c 나타낸 바와 같이 자동차의 루프패널(10) 끝 부분(11)과 그 끝 부분과 일정 폭 만큼 면 접촉되는 인너패널(12)의 선단 부분을 같은 형상으로 성형(절곡)하여 하부를 점 용접하고 있으나, 이는 성형의 어려움은 물론, 루프패널의 상단이 미려하지 못한 문제점이 있다.In addition, the third embodiment of the end structure of the conventional roof panel 10 for cars in a state different from the first and second embodiments is the end portion 11 of the roof panel 10 of the vehicle as shown in FIG. Although the end portion of the inner panel 12 which is in contact with the end portion by a predetermined width is molded (bended) in the same shape, the bottom portion is welded, but this is not only difficult to form, but also the problem that the upper end of the roof panel is not beautiful. There is this.

이상과 같은 상기 제1 내지 제3실시예의 루프패널 마감구조가 갖는 문제점 외에도 종래 자동차용 루프패널의 마감구조 문제점은 루프패널이 스틸재이기 때문에 경량화에 문제가 있음은 물론, 강성 확보에 한계가 있고, 설계상의 제약조건으로는 테일 게이트 힌지(Tail gate hinge)운동구간 확보가 어려운 문제점이 있다.In addition to the problems of the roof panel finish structure of the first to third embodiments as described above, the problem of the finish structure of the conventional car roof panel is that the roof panel is made of steel, so there is a problem in weight reduction, and there is a limit in securing rigidity. As a design constraint, it is difficult to secure a tail gate hinge movement section.

본 발명은 상기와 같은 제반 문제점을 감안하여 이를 해소하고자 발명한 것으로서, 그 목적은 자동차의 루프패널을 합성수지코어를 중심으로 그 전 후면에 각각의 Al 스킨재를 설치하여 된 샌드위치패널로 하여 경량화와 강성을 증가시키고, 또, 상기 샌드위치패널의 끝 부분을 별도의 스틸브래킷 끝 부분과 함께 본딩하고 헤밍처리 하여 결합강도 향상 및 외관을 미려하게 할 수 있으며 기존의 차체에 구조변경 없이 적용 가능토록 한 자동차용 루프패널의 마감구조를 제공함에 있다.The present invention has been invented to solve the above problems in consideration of the above problems, the object of which is to reduce the weight and weight of the roof panel of the car as a sandwich panel by installing each Al skin material on the front of the synthetic core It is possible to increase the rigidity, and to bond the end of the sandwich panel with the end of the separate steel bracket and hemming to improve the bonding strength and beautiful appearance and to be applied to the existing body without structural change To provide a finishing structure for the roof panel.

상기 목적을 달성하기 위한 본 발명의 특징적인 기술적 구성은, 자동차용 루프패널의 끝 부분 안쪽으로 스틸패널의 선단부를 절곡하여 용착하고 그 스틸패널이 용착된 상기 루프패널의 끝 부분에는 별도의 스틸브래킷 끝 부분과 함께 본딩하고 헤밍처리 하여 된 것이다.A characteristic technical configuration of the present invention for achieving the above object is, by bending the front end of the steel panel to the inside of the end of the roof panel for automobiles, and welded to a separate steel bracket on the end of the roof panel is welded steel panel Bonded with the end and hemmed.

그리고, 상기 자동차용 루프패널은 중앙에 합성수지코어가 마련되고 그 합성수지코어의 전 후면에는 각각의 Al 스킨재를 상기 합성수지코어와 일체가 되게 설치하여 된 샌드위치패널이며, 상기 합성수지코어는 폴리프로필렌코어이다.The automotive roof panel is a sandwich panel in which a synthetic resin core is provided at the center and each Al skin material is integrally formed with the synthetic resin core on the front and rear surfaces of the synthetic resin core, and the synthetic resin core is a polypropylene core. .

이상과 같은 특징을 갖는 본 발명의 작용을 첨부도면을 참조하여 상세하게 설명하면 다음과 같다.If described in detail with reference to the accompanying drawings, the operation of the present invention having the features as described above are as follows.

본 발명은 도 3에 나타낸 바와 같이 자동차용 루프패널(10)의 끝 부분을 마감 처리함에 있어서, 상기 자동차용 루프패널(10)의 끝 부분(11) 안쪽으로 스틸재의 인너패널(12) 선단부를 절곡하여 용착하되, 그 절곡된 인너패널(12)의 일부를 상기 루프패널(10)의 내면에 면 접촉하는 방법으로 용착한다.In the present invention, as shown in Figure 3 in finishing the end of the vehicle roof panel 10, the end portion of the inner panel 12 of steel into the end portion 11 of the roof panel 10 for the vehicle It is bent and welded, and a part of the bent inner panel 12 is welded by surface contact with the inner surface of the roof panel 10.

상기와 같이하여 루프패널(10)과 인너패널(12)이 용착되면 그 용착된 루프패널(10)의 끝 부분에 별도의 스틸브래킷(13)) 끝 부분 일부와 함께 본딩하고 헤밍처리 한다. 단 상기 루프패널(10)은 경량화와 강성확보를 위하여 중앙에 합성수지코어(14)가 마련되고 그 합성수지코어(14) 즉 폴리프로필렌코어의 전 후면에 각각의 Al 스킨재(15.16)를 상기 합성수지코어(14)와 일체가 되게 설치하여된 샌드위치패널이다.As described above, when the roof panel 10 and the inner panel 12 are welded together, a portion of the end of the welded roof panel 10 together with a portion of the end of the separate steel bracket 13 is bonded and hemmed. However, the roof panel 10 is provided with a synthetic resin core 14 in the center for lightweighting and securing rigidity, and each Al skin material (15.16) is formed on the front and rear surfaces of the synthetic resin core 14, that is, the polypropylene core. It is a sandwich panel installed integrally with (14).

참고로 상기 샌드위치패널의 사양은 하기 표1과 같다 For reference, the specifications of the sandwich panel are shown in Table 1 below.

샌드위치패널(Sandwich panel)사양Sandwich panel specification 종류Kinds 1.4mm Soft Skin1.4mm Soft Skin 구조rescue 0.24mm Al skin0.9mm PP-core0.24mm Al skin0.24mm Al skin0.9mm PP-core0.24mm Al skin Specific Weight(kg/m2)Specific Weight (kg / m 2 ) 2.112.11 young's Modulus(1000MPa)young's Modulus (1000 MPa) 34.4/1.4=24.634.4 / 1.4 = 24.6 Yield Strength(MPa)Yield Strength (MPa) 71.4/1.4=5171.4 / 1.4 = 51 UTS(MPa)UTS (MPa) 159.6/1.4=114159.6 / 1.4 = 114

상기의 샌드위치패널은 그 재질의 특성상 스틸브래킷(13)과 점 용접이 되지 않기 때문에 상기 스틸브래킷(13) 끝 부분일부와 함께 본딩하고 헤밍처리 하는 것이 바람직하다. 한편, 상기 스틸브래킷(13)의 안쪽으로는 종래 설치하는 인너패널(12)이 설치되어 있다.Since the sandwich panel is not welded with the steel bracket 13 due to the properties of the material, the sandwich panel is preferably bonded and hemmed together with a portion of the end portion of the steel bracket 13. On the other hand, the inner panel 12 which is conventionally installed is provided inside the steel bracket 13.

이와 같이 샌드위치패널의 끝 부분 일부와 스틸브래킷(13)의 끝 부분 일부를 본딩하고 헤밍처리 하게 되면 그 부분의 결합력이 견고해짐은 물론, 외관이 미련해지기 때문에 자동차의 외관 역시 미려해지고, 또한, 기존의 차체에도 구조변경 없이 적용할 수 있는 장점이 있다.As such, when the end portion of the sandwich panel and the end portion of the steel bracket 13 are bonded and hemmed, the bonding force of the portion is not only firm but also the appearance is foolish, and the appearance of the automobile is also beautiful. There is an advantage that can be applied to the existing car body without structural change.

상술한 바와 같은 본 발명의 자동차용 루프패널의 마감구조는 자동차의 루프패널을 합성수지코어를 중심으로 그 전 후면에 각각의 Al 스킨재를 설치하여 된 샌드위치패널로 하여 경량화와 강성을 증가시키고, 또, 상기 샌드위치패널의 끝 부분을 별도의 스틸브래킷 끝 부분과 함께 본딩하고 헤밍처리 하여 결합강도 향상 및 외관을 미려하게 할 수 있으며 기존의 차체에 구조변경 없이 적용 가능한 효과가 있다.As described above, the finishing structure of the roof panel for automobiles of the present invention is a sandwich panel in which each Al skin material is installed on the front of the roof panel of the automobile centered on the synthetic resin core, thereby increasing the weight and rigidity. In addition, by bonding the end portion of the sandwich panel with a separate steel bracket end portion and hemming, the bonding strength can be improved and the appearance can be beautiful, and there is an effect that can be applied to the existing vehicle body without structural change.

도 1은 일반적인 자동차용 루프패널의 발췌 사시도,1 is an excerpt perspective view of a general automotive roof panel,

도 2a 내지 도 2c는 도 1의 A-A선 단면도로서 종래의 자동차용 루프패널의 마감구조를 나타낸 실시예도,2A to 2C are sectional views taken along the line A-A of FIG.

도 3은 본 발명에 따른 자동차용 루프패널의 마감구조를 나타낸 실시예도. Figure 3 is an embodiment showing a finish structure of a roof panel for a vehicle according to the present invention.

※도면의 주요부분에 대한 부호설명※※ Code explanation for main part of drawing ※

10 : 루프패널 11 : 끝 부분10: roof panel 11: end

12 : 인너패널 13 : 스틸브래킷12: inner panel 13: steel bracket

14 : 합성수지코어 15.16 : Al 스킨재 14: synthetic resin core 15.16: Al skin material

Claims (3)

자동차용 루프패널(10)의 끝 부분 안쪽으로 인너패널(12)의 선단부를 절곡하여 용착하고 그 인너패널이 용착된 상기 루프패널의 끝 부분에는 별도의 스틸브래킷(13) 끝 부분과 함께 본딩하고 헤밍처리 하여 된 것을 특징으로 하는 자동차용 루프패널의 마감구조. Bend the end of the inner panel 12 inside the end of the roof panel 10 for automobiles, and weld them. Bond the end of the roof panel where the inner panel is welded together with the end of a separate steel bracket 13. Finishing structure of the roof panel for cars, characterized in that the hemming process. 제1항에 있어서, 상기 자동차용 루프패널은 중앙에 합성수지코어(14)가 마련되고 그 합성수지코어의 전 후면에는 각각의 Al 스킨재(15.16)를 상기 합성수지코어와 일체가 되게 설치하여된 샌드위치패널임을 특징으로 하는 자동차용 루프패널의 마감구조.The sandwich panel according to claim 1, wherein the automotive roof panel is provided with a synthetic resin core (14) at the center and each Al skin material (15.16) is integrally provided with the synthetic resin core on the front and rear surfaces of the synthetic resin core. Finishing structure of the roof panel for cars, characterized in that. 제1항에 있어서, 합성수지코어는 폴리프로필렌코어임을 특징으로 하는 자동차용 루프패널의 마감구조.The finishing structure of the roof panel for a vehicle according to claim 1, wherein the synthetic resin core is a polypropylene core.
KR1020030064062A 2003-09-16 2003-09-16 Finish structure of roof panel for car KR20050027702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020030064062A KR20050027702A (en) 2003-09-16 2003-09-16 Finish structure of roof panel for car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030064062A KR20050027702A (en) 2003-09-16 2003-09-16 Finish structure of roof panel for car

Publications (1)

Publication Number Publication Date
KR20050027702A true KR20050027702A (en) 2005-03-21

Family

ID=37384920

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020030064062A KR20050027702A (en) 2003-09-16 2003-09-16 Finish structure of roof panel for car

Country Status (1)

Country Link
KR (1) KR20050027702A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008023017A1 (en) 2008-05-09 2009-11-12 Thyssenkrupp Steel Ag A method of forming a Bördelfalzes in a multilayer composite material and multilayer, at least one hem flange exhibiting composite material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008023017A1 (en) 2008-05-09 2009-11-12 Thyssenkrupp Steel Ag A method of forming a Bördelfalzes in a multilayer composite material and multilayer, at least one hem flange exhibiting composite material
US9873237B2 (en) 2008-05-09 2018-01-23 Thyssenkrupp Steel Europe Ag Method for forming a crimping fold in a multi-layer composite material and multi-layer composite material having at least one crimping fold

Similar Documents

Publication Publication Date Title
US6824199B2 (en) Fender arrangement for a motor vehicle
US6328376B2 (en) Center pillar assembly of motor vehicle
US7731272B2 (en) A-pillar force transfer structure
JP4284793B2 (en) Upper body structure of the vehicle
JPS6320278A (en) Front car body structure of automobile
JPS6313868A (en) Lower body structure of automobile
US7494180B2 (en) Motor vehicle having a side sill
WO2013094314A1 (en) Vehicle body side structure
JP5539171B2 (en) Door structure
KR20050027702A (en) Finish structure of roof panel for car
JP3838555B2 (en) Armrest structure for interior parts
CN210191616U (en) Vehicle roof periphery structure
JP3736214B2 (en) Car body side structure
CN206537367U (en) A kind of automobile door sill inner panel
JP3890839B2 (en) Interior trim joint structure
JP7204936B2 (en) car body structure
JP3988106B2 (en) Side door structure
KR102436352B1 (en) Vehicle exterior parts
JPS6031972Y2 (en) Automobile center pillar body structure
JPH06270840A (en) Body structure for automobile
US20230406413A1 (en) Center pillar for vehicle with improved stiffness
CN209224899U (en) A kind of lightweight arrangements for automotive doors
JPH0742922Y2 (en) Quarter panel belt line reinforcement structure
JP3769785B2 (en) Automobile roof rear structure
JPH0411858Y2 (en)

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application