KR100623151B1 - Structure for door impact beam of a separation type - Google Patents

Structure for door impact beam of a separation type Download PDF

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Publication number
KR100623151B1
KR100623151B1 KR1020040040892A KR20040040892A KR100623151B1 KR 100623151 B1 KR100623151 B1 KR 100623151B1 KR 1020040040892 A KR1020040040892 A KR 1020040040892A KR 20040040892 A KR20040040892 A KR 20040040892A KR 100623151 B1 KR100623151 B1 KR 100623151B1
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South Korea
Prior art keywords
impact
door impact
door
cross
beams
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KR1020040040892A
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Korean (ko)
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KR20050115675A (en
Inventor
강동호
김기창
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현대자동차주식회사
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Priority to KR1020040040892A priority Critical patent/KR100623151B1/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
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
    • B60J5/0443—Beams
    • 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
    • B60J5/0415—Outer panel
    • 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
    • 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
    • B60J5/048—Doors arranged at the vehicle sides characterised by the material
    • B60J5/0481—Doors arranged at the vehicle sides characterised by the material plastic
    • 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
    • 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
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/11—Passenger cars; Automobiles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

본 발명은 도어 임팩트 빔에 관한 것이다.The present invention relates to a door impact beam.

이 같은 본 발명은, 아웃터 패널의 후방 양측으로 제 1,2 도어 임팩트 빔을 내설하고, 상기 제 1,2 도어 임팩트 빔은 측면 충돌시 변형되도록 십자형의 플라스틱 크로스 빔이 내설된 충격흡수부재로 연결되게 분리형 임팩트 빔 구조를 구성함으로써, 차량의 측면 충돌시 단계적으로 에너지를 흡수하여 운전자의 골반부 상해치를 최소화할 수 있도록 하는 분리형 도어 임팩트 빔 구조를 제공한다.In the present invention, the first and second door impact beams are imparted to both rear sides of the outer panel, and the first and second door impact beams are connected to an impact absorbing member having a cross-shaped plastic cross beam embedded therein so as to be deformed upon side impact. By providing a separate impact beam structure, it provides a separate door impact beam structure that can minimize the pelvic injury of the driver by absorbing energy step by step in the side impact of the vehicle.

분리형 도어 임팩트 빔, 크로스 리브, 돌기부Detachable door impact beam, cross ribs, protrusion

Description

분리형 도어 임팩트 빔 구조{Structure for door impact beam of a separation type}Structure for door impact beam of a separation type

도 1은 종래 도어 임팩트 빔 구조의 설치 상태를 보인 사시도.1 is a perspective view showing an installation state of a conventional door impact beam structure.

도 2는 종래 도어 임팩트 빔 구조의 설치 상태를 보인 단면도.2 is a cross-sectional view showing an installation state of a conventional door impact beam structure.

도 3은 종래 도 2의 A-A선 단면도.3 is a cross-sectional view taken along the line A-A of FIG.

도 4는 본 발명의 일실시예로 분리형 도어 임팩트 빔 구조의 단면도.Figure 4 is a cross-sectional view of the removable door impact beam structure in one embodiment of the present invention.

도 5는 본 발명의 일실시예로 도 4의 B-B선 단면도.5 is a cross-sectional view taken along the line B-B of Figure 4 as an embodiment of the present invention.

도 6은 본 발명의 일실시예로 분리형 도어 임팩트 빔의 작동 상태도.Figure 6 is an operating state of the removable door impact beam in one embodiment of the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

11; 아웃터패널 12; 인너패널11; Outer panel 12; Inner panel

13a,13b; 마운팅 브라켓 14a,14b; 레인포스13a, 13b; Mounting brackets 14a, 14b; Rain force

21; 슬라이드 구멍 22,23; 제 1,2 도어 임팩트 빔21; Slide holes 22,23; 1st and 2nd door impact beam

30; 충격흡수부재 40; 크로스 빔30; Shock absorbing member 40; Cross beam

41; 돌기부41; Protrusion

본 발명은 도어 임팩트 빔에 관한 것으로서, 특히 차량의 측면 충돌시 에너지 흡수율을 극대화하여 운전자의 골반부 상해치를 줄일 수 있도록 하는 분리형 도어 임팩트 빔 구조에 관한 것이다.The present invention relates to a door impact beam, and more particularly, to a detachable door impact beam structure capable of maximizing energy absorption during side impact of a vehicle to reduce a pelvic injury of a driver.

주지된 바와 같이, 차량의 도어는 운전자 및 승객이 실내로 들어가면서 개폐하는 수단 외에도 차량의 측면 충돌시 인체 상해치를 최소화하기 위한 충돌 하중 흡수 구간의 역할을 한다.As is well known, the door of the vehicle serves as a collision load absorbing section for minimizing a personal injury in the event of a side collision of the vehicle, in addition to the means for opening and closing the driver and passenger as entering the room.

이를 위해, 도 1 및 도 3에 도시된 바와 같이, 도어의 외측으로 아웃터패널(1)과 내측으로 인너패널(2)에 의해 폐단면을 이루고, 상부에는 도어 프레임이 구성된다.To this end, as shown in Figures 1 and 3, the outer panel 1 and the inner side of the inner panel 2 by the inner panel 2 to form a closed cross-section, the upper door frame is configured.

또한, 상기 아웃터 패널(1)의 후방에는 도어 임팩트 빔(3)이 내설되고, 상기 도어 임팩트 빔(3)의 전후에는 인너패널(2)에 고정하기 위해 전후방으로 마운팅 브라켓(4a)(4b)과 후방 지지용의 레인포스(5a)(5b)가 다수 결합되어 진다.In addition, a door impact beam 3 is built in the rear of the outer panel 1, and mounting brackets 4a and 4b in front and rear to be fixed to the inner panel 2 before and after the door impact beam 3. And a plurality of rain posts 5a and 5b for rear support are combined.

그러나, 차량의 측면 충돌시 운전자 및 승객의 상해치가 과다한 골반부 PELVIS값을 최소화하기 위해 도어 임팩트 빔(3)에서 에너지 흡수율을 최대화하면서 인너패널(2)이 실내로 밀리게 되는 것을 최소화 시켜야 한다.However, in order to minimize the pelvis PELVIS value of the driver and passengers that are excessively injured in the side impact of the vehicle, the inner panel 2 should be minimized to the interior while maximizing the energy absorption rate in the door impact beam 3.

하지만, 상기 도어 임팩트 빔(3)의 경우 단순 중공 빔으로 구성되어 있는 관계로, 차량의 측면 충돌시 초기 변형이 미비한 상태에서 실내로 밀려 인너패널(2)에 취부된 마운팅 브라켓(4a)(4b)과 함께 운전자의 골반부를 직접 가격하는 폐단이 따랐다.However, since the door impact beam 3 is composed of a simple hollow beam, the mounting brackets 4a and 4b mounted to the inner panel 2 by being pushed into the interior in the state where the initial deformation is insufficient when the side impact of the vehicle is insufficient. Was followed directly by the driver's pelvis.

또한, 종래의 도어 임팩트 빔(3)은 그 자체의 충격 흡수력이 미비하여 운전자에 가해지는 상해치를 저감 시키지는 못하고 있는 실정이다.In addition, the conventional door impact beam (3) is a situation that does not reduce the injury value to the driver due to its own shock absorbing power is insufficient.

따라서, 본 발명은 상기와 같은 종래의 문제점을 해결하기 위해 안출된 것으로서 본 발명의 목적은, 아웃터 패널의 후방 양측으로 제 1,2 도어 임팩트 빔을 내설하고, 상기 제 1,2 도어 임팩트 빔은 측면 충돌시 변형되도록 십자형의 플라스틱 크로스 빔이 내설된 충격흡수부재로 연결되게 분리형 임팩트 빔 구조를 구성함으로써, 차량의 측면 충돌시 에너지 흡수율의 극대화를 통해 운전자의 골반부 상해치를 최소화할 수 있도록 하는 분리형 도어 임팩트 빔 구조를 제공하려는 것이다.Accordingly, the present invention has been made to solve the above-mentioned conventional problems, an object of the present invention, the first and second door impact beams in the rear both sides of the outer panel, the first and second door impact beam A detachable impact beam structure is constructed in which a cross-shaped plastic cross beam is connected to an in-situ shock absorbing member so as to be deformed in a side impact, thereby minimizing a driver's pelvic injury by maximizing energy absorption rate in a side collision of a vehicle. It is to provide an impact beam structure.

이하, 첨부된 도면에 의거하여 본 발명의 바람직한 일실시예를 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

도 4는 본 발명의 일실시예로 분리형 도어 임팩트 빔 구조의 단면도이고, 도 5는 본 발명의 일실시예로 도 4의 B-B선 단면도이며, 도 6은 본 발명의 일실시예로 분리형 도어 임팩트 빔의 작동 상태도 이다.Figure 4 is a cross-sectional view of the removable door impact beam structure in one embodiment of the present invention, Figure 5 is a cross-sectional view taken along line BB of Figure 4 as an embodiment of the present invention, Figure 6 is a removable door impact in one embodiment of the present invention The operating state of the beam is also.

도 4 내지 도 6에 도시된 바와 같이, 아웃터패널(11)과 인너패널(12)에 의해 폐단면을 이루고, 인너패널(12)에는 마운팅 브라켓(13a)(13b)과 후방 지지용의 레인포스(14a)(14b)가 다수 결합되는 구조에 있어서,4 to 6, the outer panel 11 and the inner panel 12 forms a closed cross section, and the inner panel 12 has mounting brackets 13a and 13b and a rear support for the rear force. In a structure in which a plurality of (14a) and (14b) are combined,

상기 아웃터 패널(11)의 후방에는 중공부를 가지면서 둘레면에는 슬라이드구멍(21)이 각각 형성된 제 1,2 도어 임팩트 빔(22)(23)을 내설하고,The first and second door impact beams 22 and 23 have hollow parts at the rear of the outer panel 11 and slide holes 21 are formed on the circumferential surface thereof, respectively.

상기 제 1,2 도어 임팩트 빔(22)(23)의 중공부에는 평상시 양측의 제 1,2 도어 임팩트 빔(22)(23)을 지지하고, 차량의 측면 충돌시엔 발생되는 충격을 흡수할 수 있도록 충격흡수부재(30)의 양측부위를 내설하며,The hollows of the first and second door impact beams 22 and 23 may support the first and second door impact beams 22 and 23 on both sides of the first and second door impact beams 22 and 23, and absorb shocks generated during a side impact of the vehicle. Insulate both sides of the shock absorbing member 30 so that,

상기 충격흡수부재(30)에는 제 1,2 도어 임팩트 빔(22)(23)의 슬라이드 구멍(21)으로 체결되는 돌기부(41)를 외측으로 돌출되게 형성하면서 측면 충돌시엔 변형되며 충돌에 따른 충격량을 흡수할 수 있도록 십자형(+)의 플라스틱 크로스 빔(40)을 형성함을 특징으로 한다.The shock absorbing member 30 is formed to protrude outward from the projection 41 to be fastened to the slide holes 21 of the first and second door impact beams 22 and 23, and is deformed at the time of side impact. It is characterized by forming a cross-shaped plastic cross beam 40 so as to absorb the (+).

이와 같이 구성된 본 발명의 일실시예에 대한 작용을 첨부된 도 4 내지 도 6을 참조하여 설명하면 다음과 같다.Referring to Figures 4 to 6 attached to the action of an embodiment of the present invention configured as described above are as follows.

먼저, 차량의 측면 충돌이 발생될 경우, 도어 임팩트 빔 구조 중 승객에게 직접적인 영향을 미치는 중간부에 위치하는 충격흡수부재(30)에 내설된 십자형의 플라스틱 크로스 빔(40)에 형성된 돌기부(41)는 상기 충격량에 의해 제 1,2 도어 임팩트 빔(22)(23)의 둘레면에 형성된 슬라이드구멍(21)을 따라 밀리게 되고, 상기 돌기부(41)의 밀림으로부터 십자형의 플라스틱 크로스 빔(40)은 도 6에서와 같이 휘어지며 변형이 유발된다.First, when a side collision of the vehicle occurs, the protrusion 41 formed on the cross-shaped plastic cross beam 40 built in the shock absorbing member 30 located in the middle portion of the door impact beam structure that directly affects the passengers. Is pushed along the slide hole 21 formed in the circumferential surfaces of the first and second door impact beams 22 and 23 by the impact amount, and the cross-shaped plastic cross beam 40 is pushed out of the protrusion of the protrusion 41. Is bent as in FIG. 6 and deformation is caused.

이때, 상기 크로스 빔(40)의 변형으로부터 차량의 측면 충돌에 따른 초기 충격에너지를 1차적으로 최대한 흡수하게 된다.At this time, the initial impact energy due to the side impact of the vehicle from the deformation of the cross beam 40 is primarily absorbed as much as possible.

아울러, 상기 제 1,2 도어 임팩트 빔(22)(23)이 양측부위에 결합된 다단의 충격흡수부재(30)는 상기 크로스 빔(40)의 변형에 따라 함께 변형되면서 차량의 측면 충돌시 가해지는 충격을 시차(time delay)를 두고 2차적으로 흡수하게 되는바,In addition, the multi-stage shock absorbing member 30 coupled to both side portions of the first and second door impact beams 22 and 23 may be deformed together according to the deformation of the cross beam 40 to be applied during side impact of the vehicle. The shock is absorbed secondly with a time delay,

상기 충격흡수부재(30)의 2차 충격 흡수로부터 인너패널(12)과 마운팅 브라켓(13a)(13b)이 차량 실내로 밀리는 강도가 약해지면서 승객의 골반부에 대한 상해치를 최소화시킬 수 있게 되는 것이다.Since the inner panel 12 and the mounting brackets 13a and 13b are pushed into the vehicle interior from the secondary shock absorption of the shock absorbing member 30, the injury to the pelvis of the passenger can be minimized.

이상에서 설명한 바와 같이 본 발명은, 아웃터 패널의 후방 양측으로 제 1,2 도어 임팩트 빔을 내설하고, 상기 제 1,2 도어 임팩트 빔은 측면 충돌시 변형되도록 십자형의 플라스틱 크로스 빔이 내설된 충격흡수부재로 연결되게 분리형 임팩트 빔 구조를 구성함으로써, 차량의 측면 충돌시 에너지 흡수율의 극대화를 통해 운전자의 골반부 상해치를 최소화하는 효과를 제공한다.As described above, in the present invention, the first and second door impact beams are imparted to both rear sides of the outer panel, and the first and second door impact beams are cross-shaped plastic cross beams to absorb deformation in a side impact. By constructing a separate impact beam structure to be connected to the member, it provides an effect of minimizing the pelvic injury of the driver through maximization of energy absorption rate in the side impact of the vehicle.

Claims (1)

아웃터패널과 인너패널에 의해 폐단면을 이루고, 인너패널에는 마운팅 브라켓과 후방 지지용의 레인포스가 다수 결합되는 구조에 있어서,In a structure in which a closed end surface is formed by an outer panel and an inner panel, and a plurality of mounting brackets and a rear support rain force are coupled to the inner panel, 상기 아웃터 패널의 후방에는 중공부를 가지며 둘레면에 슬라이드구멍이 각각 형성된 제 1,2 도어 임팩트 빔을 내설하고,The first and second door impact beams having hollow portions at the rear of the outer panel and having slide holes formed on the circumferential surface thereof, respectively, 상기 제 1,2 도어 임팩트 빔의 중공부에는 평상시 양측의 제 1,2 도어 임팩트 빔을 지지하고, 차량의 측면 충돌시엔 발생되는 충격을 흡수할 수 있도록 충격흡수부재의 양측부위를 내설하며,Usually, the hollow parts of the first and second door impact beams support the first and second door impact beams on both sides, and both sides of the shock absorbing member are installed so as to absorb the shock generated during the side collision of the vehicle. 상기 충격흡수부재에는 제 1,2 도어 임팩트 빔의 슬라이드 구멍으로 체결되는 돌기부를 외측으로 돌출되게 형성하면서 측면 충돌시엔 변형되며 충돌에 따른 충격량을 흡수할 수 있도록 내측으로 십자형의 플라스틱 크로스 빔을 형성함을 특징으로 하는 분리형 도어 임팩트 빔 구조.The shock absorbing member is formed to protrude outwardly from the projections fastened to the slide holes of the first and second door impact beams, and is deformed during side impact and forms a cross-shaped plastic cross beam inward to absorb the impact amount due to the impact. Split door impact beam structure, characterized in that.
KR1020040040892A 2004-06-04 2004-06-04 Structure for door impact beam of a separation type KR100623151B1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0574928U (en) * 1992-03-19 1993-10-12 日産車体株式会社 Door side beam structure
KR950017627U (en) * 1993-12-08 1995-07-22 Door impact beam of car
JPH0872543A (en) * 1994-09-05 1996-03-19 Nissan Motor Co Ltd Door guard bar for automobile
KR0118851Y1 (en) * 1995-07-04 1998-06-15 한승준 Vehicle door
JP2003312404A (en) 2002-04-24 2003-11-06 Press Kogyo Co Ltd Vehicular composite structural member

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0574928U (en) * 1992-03-19 1993-10-12 日産車体株式会社 Door side beam structure
KR950017627U (en) * 1993-12-08 1995-07-22 Door impact beam of car
JPH0872543A (en) * 1994-09-05 1996-03-19 Nissan Motor Co Ltd Door guard bar for automobile
KR0118851Y1 (en) * 1995-07-04 1998-06-15 한승준 Vehicle door
JP2003312404A (en) 2002-04-24 2003-11-06 Press Kogyo Co Ltd Vehicular composite structural member

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