KR20030050042A - Side impact absorption means of automobile - Google Patents

Side impact absorption means of automobile Download PDF

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Publication number
KR20030050042A
KR20030050042A KR1020010080414A KR20010080414A KR20030050042A KR 20030050042 A KR20030050042 A KR 20030050042A KR 1020010080414 A KR1020010080414 A KR 1020010080414A KR 20010080414 A KR20010080414 A KR 20010080414A KR 20030050042 A KR20030050042 A KR 20030050042A
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KR
South Korea
Prior art keywords
pad
door
hard
absorbing member
door trim
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KR1020010080414A
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Korean (ko)
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KR100445176B1 (en
Inventor
윤종철
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현대자동차주식회사
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Priority to KR10-2001-0080414A priority Critical patent/KR100445176B1/en
Publication of KR20030050042A publication Critical patent/KR20030050042A/en
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Publication of KR100445176B1 publication Critical patent/KR100445176B1/en

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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
    • B60J5/042—Reinforcement elements
    • B60J5/0452—Reinforcement elements including foams or expanded materials
    • 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
    • B60J5/0412—Lower door structure
    • B60J5/0413—Inner panel, e.g. characterised by carrying components
    • 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
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0423—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure
    • B60J5/0426—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure the elements being arranged at the beltline
    • 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
    • B60J5/042—Reinforcement elements
    • B60J5/0456—Behaviour during impact
    • B60J5/0461—Behaviour during impact characterised by a pre-defined mode of deformation or displacement in order to absorb impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0006—Lateral collision

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Passenger Equipment (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

PURPOSE: A shock absorbing structure of a side surface of a vehicle is provided to absorb shock secondarily by installing a pad of polyurethane foam to an arm rest of a door trim and by combining a hard absorbing member to the pad. CONSTITUTION: A door trim(3) is installed to the inside of a door inner panel(2). An arm rest(4) is formed to the door trim integrally. A pad is installed to the inside of the arm rest as polyurethane foam. A hard absorbing member(20) is made of a hard synthetic resin plate or a metal plate. The hard absorbing member is laid to be exposed to one surface of the pad on one end. A protrusion portion(21) of the hard absorbing member is exposed to the other surface of the pad to be arranged to a clearance(C') between the door trim and the door inner panel. A notch is formed to the laid portion of the hard absorbing member. A tip of the protrusion portion is formed to be an arc shape to induce deformation when shock is added to the protrusion portion. Therefore, shock is absorbed well by absorbing shock secondarily.

Description

자동차의 측면 충격 흡수구조{SIDE IMPACT ABSORPTION MEANS OF AUTOMOBILE}Side shock absorbing structure of automobile {SIDE IMPACT ABSORPTION MEANS OF AUTOMOBILE}

본 발명은 자동차의 측면 충격 흡수구조에 관한 것이며, 상세하게는 도어 트림에 부설한 측면 충격 흡수구조에 관한 것이다.The present invention relates to a side shock absorbing structure of an automobile, and more particularly, to a side shock absorbing structure attached to a door trim.

자동차 도어는 도어 아웃터 패널과 도어 인너 패널을 공동이 형성되게 결합하여 상기 공동에 도어 글래스를 승강할 수 있게 설치하고, 상기 도어 인너 패널에도어 트림을 결합한 것이며, 상기 도어 아웃터 및 인너 패널은 박강판임으로 그 강성이 취약하기 때문에 측면 충돌시의 충격력을 흡수하기 위하여 특히 승용차는 상기 공동내의 탑승자의 복부위치에 임팩트 바를 설치하고 있지만 충격력이 클 경우에는 임팩트 바의 양단 브래킷이 먼저 파손됨으로써 탑승자의 상해치가 커지게 되는 것이다.The door of the car is a door outer panel and the door inner panel is formed so as to form a cavity to lift the door glass in the cavity, the door inner panel door trim is combined, the door outer and inner panel is a steel sheet In order to absorb the impact force in the event of a side collision, the impact bar is installed at the abdominal position of the occupant in the cavity. However, when the impact force is large, the impact bracket is damaged at the both ends of the impact bar first. It will grow big.

상기한 탑승자의 복부의 상해치를 경감하기 위하여 도어에 충격 흡수 수단을 추가 부설하고 있는 바, 종래의 추가 부설 충격 흡수 수단은 도 5에 도시한 바와 같이 도어(1)의 도어 인너 패널(2)에 결합되는 도어 트림(3)의 암레스트(4) 내면에 폴리우레탄 폼 등으로 된 패드(5)를 접착 등의 방법으로 부설하여서 도어(1)에 충격력이 가하여지면 1차로 도어 아웃터 패널(2'), 임팩트 바(6) 및 도어 인너 패널(2)에서 그 충격력을 흡수하고, 도어 인너 패널(2)이 도어 트림(3) 또는 패드(5)에 접촉되면 패드(5)가 변형함과 동시에 암레스트(4) 부분이 파손되면서 재차 충격력을 흡수하도록 한 것이다.In order to reduce the injuries of the passenger's abdomen, a shock absorbing means is additionally installed in the door. As shown in FIG. 5, a conventional additional shock absorbing means is provided on the door inner panel 2 of the door 1. When the pad 5 made of polyurethane foam or the like is attached to the inner surface of the armrest 4 of the door trim 3 to be joined by bonding or the like, and the impact force is applied to the door 1, the door outer panel 2 ' ), The impact bar 6 and the door inner panel 2 absorb the impact force, and when the door inner panel 2 contacts the door trim 3 or the pad 5, the pad 5 deforms and The armrest 4 is broken so that the impact force is absorbed again.

미설명부호 7은 그립 핸들이다.Reference numeral 7 is a grip handle.

그러나 상기한 도어 트림(3)은 도어 인너 패널(2)에 근접 설치되는 것임으로 도어 인너 패널(2)이 아무런 저항이 없이 패드(5)에 접촉되고, 패드(5)는 폴리우레탄을 발포한 것임으로 패드(5)에 충격력이 가하여질 때 압축되면서 작은 충격력만을 흡수하는 것이기 때문에 패드(5)가 압축되면서 충격력을 흡수한 다음 즉시 암레스트(4)가 탑승자의 복부에 접촉되어 탑승자의 상해치 경감효과가 저조하게 되는것이다.However, since the door trim 3 is installed close to the door inner panel 2, the door inner panel 2 contacts the pad 5 without any resistance, and the pad 5 foams polyurethane. When the impact force is applied to the pad 5, the pad 5 is compressed and absorbs only a small impact force. Therefore, the pad 5 is compressed and absorbs the impact force. The mitigation effect will be low.

그뿐 아니라 상기 암레스트(4)에 그립 핸들(7)을 설치한 경우에는 상기 그립 핸들(7)은 합성수지 지지부재에 폴리우레탄 발포층을 형성한 것임으로 비교적 경질이기 때문에 경질의 그립 핸들(7)이 탑승자의 복부에 충격력을 가함으로써 2차 충격치가 커지게 되는 문제점이 발생하는 것이다.In addition, when the grip handle 7 is installed on the armrest 4, the grip handle 7 is formed of a polyurethane foam layer on the synthetic resin support member, and thus is relatively hard. The problem that the secondary impact value becomes large by applying an impact force to the abdomen of this occupant arises.

본 발명은 상기한 문제점을 시정하여, 도어 인너 패널과 도어 트림 사이에서 2차에 걸쳐 충격력을 흡수하도록 하여 탑승자의 복부 상해치를 감소시킬 수 있는 자동차의 측면 충격 흡수구조를 제공하는 것을 목적으로 한다.SUMMARY OF THE INVENTION An object of the present invention is to provide a side shock absorbing structure of a vehicle which can reduce the abdominal injury of the occupant by absorbing the impact force over two times between the door inner panel and the door trim.

상기한 목적을 달성하기 위하여, 본 발명은 도어 트림에 형성한 암레스트에 설치한 폴리우레탄 폼 패드와, 상기 패드에 대부분이 매설되고 일부의 돌출부가 도어 트림과 도어 인너 패널사이에 위치되는 경질 흡수부재로 구성한 것이다.In order to achieve the above object, the present invention is a polyurethane foam pad installed in the armrest formed in the door trim, and the hard absorption is embedded in most of the pad and a part of the protrusion is located between the door trim and the door inner panel It consists of members.

도 1은 자동차 도어의 사시도.1 is a perspective view of a car door;

도 2는 도 1의 A-A선에 따른 본 발명의 실시예의 단면도.2 is a cross-sectional view of an embodiment of the present invention taken along line A-A in FIG.

도 3은 본 발명의 실시예의 확대 단면도.3 is an enlarged cross-sectional view of an embodiment of the present invention.

도 4는 본 발명의 실시예의 경질 흡수부재의 사시도.Figure 4 is a perspective view of the hard absorbing member of the embodiment of the present invention.

도 5는 도 1의 A-A선에 대응되는 종래의 것의 확대 단면도.5 is an enlarged cross-sectional view of a conventional one corresponding to line A-A in FIG.

도 6은 본 발명과 종래의 것의 충격치 그래프.Figure 6 is a graph of the impact value of the present invention and the conventional one.

<도면의 주요부분에 대한 부호 설명><Description of Signs of Major Parts of Drawings>

3 : 도어 트림 4 : 암레스트 5 : 패드3: door trim 4: armrest 5: pad

20 : 경질 흡수부재 21 : 돌출부 22 : 노치20: hard absorbing member 21: protrusion 22: notch

도 2는 본 발명의 실시예의 단면도이고, 도 3은 본 발명의 실시예의 확대 단면도이며, 도 4는 본 발명의 실시예의 경질 흡수부재의 사시도인바, 1은 도어로써, 상기 도어(1)는 도어 아웃터 패널(2')과 도어 인너 패널(2)을 공동(C)이 형성되게 그 양측면과 하단을 결합하여 상기 공동(C)에 도어 글래스(G)를 도어 레귤레이터(미도시)에 의하여 승강할 수 있게 설치함과 동시에 상기 공동(C)의 탑승자의 복부 위치에 임팩트 바(6)를 설치하고, 상기 도어 인너 패널(2)의 내측에는 도어 트림(3)을 설치하며, 도어 트림(3)에는 암레스트(4)를 일체로 형성한 것이다.Figure 2 is a cross-sectional view of an embodiment of the present invention, Figure 3 is an enlarged cross-sectional view of an embodiment of the present invention, Figure 4 is a perspective view of the hard absorbing member of an embodiment of the present invention, 1 is a door, the door 1 is a door The outer panel 2 'and the door inner panel 2 are joined to both sides and the bottom thereof so that the cavity C is formed so that the door glass G can be elevated by the door regulator (not shown) to the cavity C. The impact bar 6 is installed at the abdominal position of the occupant of the cavity C, the door trim 3 is installed inside the door inner panel 2, and the door trim 3 is installed. In the armrest 4 is formed integrally.

5는 패드로써, 상기 패드(5)는 폴리우레탄 폼으로 형성하여 상기암레스트(4)의 내측에 설치한 것이다.5 is a pad, and the pad 5 is formed of polyurethane foam and installed inside the armrest 4.

20은 경질 흡수부재로써, 상기 경질 흡수부재(20)는 경질 합성 수지판 또는 금속판으로 형성함과 동시에 대략 ㄷ자형으로 형성하여 상기 패드(5)를 성형할 때 일측은 패드(5)의 일면에 노출되게 대부분을 매설하고 타측의 일부만을 패드(5)의 타면에 돌출시켜 그 돌출부(21)를 도어 트림(3)과 도어 인너패널(2) 사이의 간극(c')에 위치시킨 것이다.20 is a hard absorbing member, wherein the hard absorbing member 20 is formed of a hard synthetic resin plate or a metal plate and is formed in a substantially U-shape at the same time to form the pad 5 so that one side is formed on one surface of the pad 5. Most of the parts are buried to be exposed, and only a part of the other side is protruded on the other surface of the pad 5 so that the protruding portion 21 is positioned in the gap c 'between the door trim 3 and the door inner panel 2.

상기 경질 흡수부재(20)는 매설부분에 노치(22)를 형성하고 돌출부(21)의 선단은 호상으로 형성하여 돌출부(21)에 충격력이 가하여 질 때 일정방향으로 변형을 유도하도록 한 것이다.The hard absorbing member 20 forms a notch 22 in the buried portion, and the tip of the protrusion 21 is formed in an arc shape so as to induce deformation in a predetermined direction when an impact force is applied to the protrusion 21.

상기 패드(5)는 암레스트(4)에 그립 핸들(7)을 설치한 도어 트림(3)에 설치할 경우에는 패드(5)에 구멍(11)을 형성하고 경질 흡수부재(20)의 구멍(11)위치에 체결공(23)을 설치하여 상기 체결공(23)을 통하여 그립 핸들(7)과 함께 암레스트(4)의 수직위치에 스크류(24)로 고정하면 그 고정이 간편하게 되는 것이다.When the pad 5 is installed in the door trim 3 in which the grip handle 7 is installed on the armrest 4, the pad 5 forms a hole 11 in the pad 5 and the hole of the hard absorbing member 20. 11) the fastening hole 23 is installed in the position by fixing the screw 24 to the vertical position of the armrest 4 together with the grip handle 7 through the fastening hole 23, the fixing is simplified.

이상과 같은 본 발명은 도어(1)에 충격력이 가하여지면 도어 아웃터 패널(2'), 임팩트 바(6) 및 도어 인너 패널(2)에서 충격력이 흡수되는 것은 종래와 동일하고, 충격력이 커서 도어 인너 패널(2)이 도어 트림(4) 측으로 변형하여 도어 인너 패널(2)이 흡수부재(20)의 돌출부(21)에 접촉되면 도어 트림(3)의 암레스트(4)부분이 파손되고 노치(22)에 응력 집중현상이 발생되면서 흡수부재(20)가 도 3의 가상선과 같이 절곡됨과 동시에 충격력을 1차 흡수한 다음 2차로패드(10)에서 충격력이 흡수되기 때문에 충격력의 흡수가 양호하게 되는 것이다.In the present invention as described above, when the impact force is applied to the door 1, the impact force is absorbed in the door outer panel 2 ', the impact bar 6, and the door inner panel 2 as in the prior art. When the inner panel 2 deforms toward the door trim 4 side and the door inner panel 2 contacts the protrusion 21 of the absorbing member 20, the armrest 4 of the door trim 3 is damaged and the notch is notched. Absorption of the impact force is good because the absorbing member 20 is bent like the imaginary line of FIG. 3 while absorbing the impact force first and then absorbing the impact force at the second pad 10. Will be.

도 6은 본 발명과 종래의 것의 탑승자가 받는 충격치 그래프로서 종래의 것은 충격치가 큼과 동시에 짧은 시간에 집중되는 것인데 대하여, 본 발명은 충격치가 작음과 동시에 긴 시간에 분포되는 결과를 얻었으며, 본 발명은 패드와 경질 흡수부재를 결합함으로써 탑승자의 충격치를 감소시킴으로 즉 탑승자의 복부 상해치를 감소시켜 탑승자의 안전성을 증대할 수 있는 것이다.6 is a graph of the impact value received by the passenger of the present invention and the conventional one, while the conventional one is concentrated at a short time with a large impact value, the present invention has a result that the impact value is small and distributed at a long time. The present invention is to reduce the impact value of the occupant by combining the pad and the hard absorbent member, that is to reduce the abdominal injury value of the occupant to increase the safety of the occupant.

상기한 그래프에서 초기 충격치가 증가되는 것은 암레스트 부분의 파손에 의한 것이다.The increase in the initial impact value in the graph is due to breakage of the armrest portion.

이상과 같이 본 발명은 도어 트림의 암레스트에 폴리우레탄 폼으로 된 패드를 설치함과 동시에 상기 패드에 경질 흡수부재를 결합하여 충격력을 2차에 걸쳐 흡수함으로써 충격력의 흡수가 양호하기 때문에 탑승자의 복부 상해치를 감소시켜 탑승자의 안전성을 증대할 수 있는 것이다.As described above, according to the present invention, a pad made of polyurethane foam is installed on the armrest of the door trim, and at the same time, a hard absorbing member is coupled to the pad, thereby absorbing the impact force twice. It is possible to increase the safety of the occupants by reducing the injury.

Claims (3)

도어 트림에 형성한 암레스트에 설치한 폴리우레탄 폼 패드와, 상기 패드에 대부분이 매설되고 일부의 돌출부가 도어 트림과 도어 인너 패널사이에 위치되는 경질 흡수 부재로 구성한 자동차의 측면 충격 흡수구조.A side shock absorbing structure for a vehicle, comprising a polyurethane foam pad installed on an armrest formed in a door trim, and a hard absorbing member, most of which is embedded in the pad, and a part of which is located between the door trim and the door inner panel. 제 1 항에 있어서, 경질 흡수부재는 매설부분에 노치를 형성하고, 돌출부를 호상으로 형성한 자동차의 측면 충격 흡수구조.The side shock absorbing structure of an automobile according to claim 1, wherein the hard absorbing member has a notch formed in the buried portion, and the protrusion is formed in an arc shape. 제 1 항에 있어서, 패드에 구멍을 형성하고, 경질 흡수부재의 상기 구멍위치에 체결공을 형성하여 그립 핸들과 함께 도어 트림에 고정한 자동차의 측면 충격 흡수구조.2. The side shock absorbing structure of a vehicle according to claim 1, wherein a hole is formed in the pad, and a fastening hole is formed at the hole position of the hard absorbing member, and is fixed to the door trim together with the grip handle.
KR10-2001-0080414A 2001-12-18 2001-12-18 Side impact absorption means of automobile KR100445176B1 (en)

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JP5023538B2 (en) 2006-04-11 2012-09-12 日産自動車株式会社 Automotive interior trim
KR100858194B1 (en) 2007-11-14 2008-09-10 현대자동차주식회사 Mounting apparatus of arm rest of door trim for automobile

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KR200145817Y1 (en) * 1996-12-16 1999-06-15 정몽규 Door reinforcing structure
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