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KR100231560B1 - Mounting structure of door reinforcement for a car - Google Patents

Mounting structure of door reinforcement for a car Download PDF

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Publication number
KR100231560B1
KR100231560B1 KR1019950021339A KR19950021339A KR100231560B1 KR 100231560 B1 KR100231560 B1 KR 100231560B1 KR 1019950021339 A KR1019950021339 A KR 1019950021339A KR 19950021339 A KR19950021339 A KR 19950021339A KR 100231560 B1 KR100231560 B1 KR 100231560B1
Authority
KR
South Korea
Prior art keywords
impact
door
inner panel
bar
vehicle
Prior art date
Application number
KR1019950021339A
Other languages
Korean (ko)
Other versions
KR970005735A (en
Inventor
최윤록
Original Assignee
한승준
기아자동차주식회사
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.)
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Application filed by 한승준, 기아자동차주식회사 filed Critical 한승준
Priority to KR1019950021339A priority Critical patent/KR100231560B1/en
Publication of KR970005735A publication Critical patent/KR970005735A/en
Application granted granted Critical
Publication of KR100231560B1 publication Critical patent/KR100231560B1/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
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0437—Elongated type elements, e.g. beams, cables, belts or wires characterised by the attachment means to the door, e.g. releasable attachment means
    • 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
    • B60J5/0425—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure the elements being arranged essentially horizontal in the centre of the lower door structure
    • 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
    • B60J5/0468—Fixation or mounting means specific for door components
    • 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)
  • Body Structure For Vehicles (AREA)

Abstract

본 발명은 자동차용 도어의 보강구조에 관한 것으로서, 일측부가 다단으로 절곡되는 내측판넬(11)에 외측판넬(12)이 소정의 간격을 두고 취부되어 공간부가 형성되고, 상기 공간부에 원통형의 임팩트바(20)가 정션브라케(30)에 취부되어 지는 것은 종래와 같다. 단, 본 발명은 상기 정션브라켓(30)의 양측단부가 절곡되어 내측판넬(11)의 절곡부 내측면에 취부되어, 차량을 운행중 충돌과 같은 사고가 발생하여 차량의 측면으로 충격이 가해지는 경우에도, 도어(10)의 공간부에 설치되는 임팩트바(20)를 지지하고 있는 임팩트바(20)가 충격등에 의해 내측판넬(11)로부터 이탈되거나 변형이 발생되는 것을 방지하여 줌으로서, 임팩트바(20)에서 충격에너지를 효과적으로 흡수하고, 상기 임팩트바(20)로 흡수된 충격에너지는 정션브라켓(30)을 통하여 펜더(50) 및 기둥으로 분산이 이루어 지도록 하는 자동차용 도어의 보강구조 이다.The present invention relates to a reinforcing structure of a door for an automobile, wherein an outer panel 12 is mounted at a predetermined interval on an inner panel 11 having one side bent in multiple stages to form a space portion, and a cylindrical impact on the space portion. The bar 20 is mounted on the junction bracket 30 as in the prior art. However, in the present invention, when both side ends of the junction bracket 30 are bent and mounted on the inner side of the bent portion of the inner panel 11, when an accident such as a collision occurs while driving the vehicle, an impact is applied to the side of the vehicle. In addition, the impact bar 20, which supports the impact bar 20 installed in the space portion of the door 10, is prevented from being deformed from the inner panel 11 or deformed due to an impact or the like. In 20, the impact energy is effectively absorbed, and the impact energy absorbed by the impact bar 20 is a reinforcement structure of the door for automobiles to be distributed to the fender 50 and the pillars through the junction bracket 30.

Description

자동차용 도어의 보강재 취부구조Reinforcement structure of automobile door

제1도는 일반적인 도어의 설치상태를 나타내는 정면도.1 is a front view showing an installation state of a general door.

제2도는 종래 도어의 보강구조를 보인 요부확대 평단면도.Figure 2 is an enlarged cross-sectional view of the main portion showing the reinforcement structure of the conventional door.

제3도는 본 발명이 적용된 취부구조를 보인 요부확대 평단면도.Figure 3 is an enlarged cross-sectional plan view of the main portion showing the mounting structure to which the present invention is applied.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 도어 11 : 내측판넬10 door 11 inner panel

12 : 외측판넬 20 : 임팩트바12: outer panel 20: impact bar

30 : 정션브라켓 31 : 취부부30: junction bracket 31: mounting

32 : 결합부 50 : 펜더32: coupling portion 50: fender

본 발명은 자동차의 좌우양측에 설치되는 도어의 보강구조에 관한 것으로서, 특히 도어의 강성을 향상시키기 위해 도어의 공간부내에 임팩트바가 설치되도록 하는 정션브라켓의 취부력을 향상시켜, 차량의 측부충돌시, 도어의 변형량을 극소화 시켜 차내에 탑승한 승이 부상당하는 것을 억제 하도록 하는 자동차용 도어의 보강구조에 관한 것이다.The present invention relates to a reinforcing structure of a door installed on the left and right sides of a vehicle, and in particular, to improve the mounting force of the junction bracket to install the impact bar in the space of the door to improve the rigidity of the door, when the side collision of the vehicle In addition, the present invention relates to a reinforcement structure of a door for an automobile, which minimizes the amount of deformation of the door so as to suppress injuries of the occupants in the vehicle.

일반적으로 자동차의 측면부 차체구조는 제1도에 도시하고 있는 바와 같이, 전면기둥(1:front pillar)과 중심기둥(2: center pillar) 및 후면기둥(3:rear pillar) 사이에 개구부가 형성되어, 상기 개구부에 도어(10)가 개폐 가능하게 설치되고, 상기 기둥들 상단부에 지붕의 외측부를 형성하는 루프레일(4:roof rail)이 연결되며, 상기 기둥들 하단부에 차량(100)의 저면부를 형성하는 프론트판넬(floor panel)과 사이드실(6: side sill)이 연결되어 있다.In general, as shown in FIG. 1, the vehicle body structure of the side part of an automobile includes an opening formed between a front pillar (1) and a center pillar (2) and a rear pillar (3: rear pillar). The door 10 is installed to be opened and closed at the opening, and a roof rail (4: roof rail) that forms an outer portion of the roof is connected to the upper ends of the pillars, and the bottom portion of the vehicle 100 is provided at the lower ends of the pillars. The front panel (floor panel) and side sills (6 side sills) which are formed are connected.

여기에서, 종래 자동차용 도어의 보강구조는 제2도에 도시되는 바와 같이, 다단으로 절곡된 내측판넬(11)의 일측면에 정션브라켓(30)의 일측에 형성된 취부부(31)가 취부되고, 상기 정션브라켓(30)의 타측단부 결합부(32)에는 원통형의 임팩트바(20)가 취부되며, 임팩트바(20)가 취부된 내측판넬(11)은 외측판넬(12)이 소정의 간격을 두고 취부되어 있다.Here, in the conventional reinforcement structure of the door for a vehicle, as shown in FIG. 2, a mounting portion 31 formed at one side of the junction bracket 30 is mounted on one side of the inner panel 11 bent in multiple stages. In addition, a cylindrical impact bar 20 is mounted on the other end coupling portion 32 of the junction bracket 30, and the inner panel 11 on which the impact bar 20 is mounted has an outer panel 12 at a predetermined interval. It is attached.

이와같이 구성되는 종래 자동차용 도어의 보강구조는, 내측판넬(11)과 외측판넬(12)이 소정의 공간부를 갖으며 취부되고, 상기 공간부의 내에는 임팩트바(20)가 정션브라켓(30)에 취부되어, 차량을 운행중 측면충돌 사고등에 의하여 도어(10)에 충격이 가해지는 경우 외측판넬(12)에 의채 1차적으로 충격에너지를 흡수하고, 상기 외측판넬(12)과 내측판넬(11) 사이에 설치된 임팩트바(20)에서 충격하중을 효과적으로 흡수 분산시켜 줌으로서, 측부 구조물인 도어(10)가 실내로 침입되는 것을 억제 흡수하도록 하여, 실내의 승원이 보호되도록 되어 있다.In the conventional reinforcement structure of the door for a vehicle configured as described above, the inner panel 11 and the outer panel 12 are mounted with a predetermined space portion, and the impact bar 20 is provided in the junction bracket 30 in the space portion. When the shock is applied to the door 10 due to a side collision accident or the like while driving the vehicle, the impact energy is primarily absorbed by the outer panel 12, and between the outer panel 12 and the inner panel 11. By effectively absorbing and dispersing the impact load in the impact bar 20 installed in the bar, the door 10 serving as a side structure is suppressed and absorbed from entering the room, thereby protecting the occupants of the room.

그러나, 이러한 종래 자동차용 도어의 보강재 취부구조는, 도어(10)의 공간부에 설치되는 임팩트바(20)의 일측면이 내측판넬(11)의 절곡면에 취부부(31)가 취부되는 정션브라켓(30)의 결합부(32)에 선단부가 접하는 것에 의해 설치되므로, 외측판넬(12)에 충돌사고등에 의해 충격하중이 발생되는 경우, 상기 임팩트바로 전달되는 충격하중에 의하여 정션브라켓(30)이 변형되거나, 파손이 이루어 지게되어 임팩트바(20)에서 충격에너지를 효과적으로 흡수하지 못하게되며, 이로인해 충격이 가해진 외측판넬(12)이 변형되어 실내로 침입하여 차내에 탑승한 승원이 부상을 입게되는 문제점이 있었다.However, such a conventional reinforcement mounting structure of a door for a car, a junction in which one side of the impact bar 20 provided in the space portion of the door 10 is mounted on the bent surface of the inner panel 11 is mounted. Since the tip portion is installed in contact with the coupling portion 32 of the bracket 30, when the impact load is generated due to a collision accident or the like on the outer panel 12, the junction bracket 30 is caused by the impact load transmitted to the impact bar. This deformation or breakage is caused to prevent the impact bar 20 from absorbing the impact energy effectively, and the impacted outer panel 12 is deformed to break into the room to injure the occupants in the car injured There was a problem.

본 발명의 목적은 상기와 같은 종래의 문제점을 보완하기 위해, 내측판넬의 절곡부에 정션브라켓의 양측단부를 취부하여, 측면 충돌시 도어의 공간부에 설치된 임팩트바에 충격하중이 가해지는 것에 의해 정션브라켓이 변형 및 파손되는 것을 억제하고, 상기 충격하중이 기둥 및 펜더로 분산이 이루어 지도록 함으로서, 충격하중에 의하여 도어가 차실로 유입되는 것을 억제 하도록 하는 자동차용 도어의 보강구조를 제공하는 데 있다.SUMMARY OF THE INVENTION An object of the present invention is to install the both ends of the junction bracket at the bent portion of the inner panel to compensate for the above-described problems, so that the impact load is applied to the impact bar installed in the space of the door during side impact. It is to provide a reinforcement structure of a door for a vehicle to suppress the deformation and breakage of the bracket, and to distribute the impact load to the pillar and the fender, to suppress the door from entering the vehicle compartment by the impact load.

이하 첨부된 도면에 의하여 본 발명의 기술적 구성을 상세히 설명하면 다음과 같다.Hereinafter, the technical configuration of the present invention with reference to the accompanying drawings in detail.

본 발명의 자동차용 도어의 보강구조도 제3도에 도시되는 바와 같이, 일측부가 다단으로 절곡되는 내측판넬(11)에 외측판넬(12)이 소정의 간격을 두고 취부되어 공간부가 형성되고, 상기 공간부에 원통형의 임팩트바(20)가 정션브라켓(30)에 취부되어 지는 것은 종래와 같다. 단, 본 발명은 상기 정션브라켓(30)의 양측단부가 절곡되어 내측판넬(11)의 절곡부 내측면에 취부됨을 그 기술적 구성상의 기본 특징으로 한다.As shown in FIG. 3, the reinforcing structure of the automobile door of the present invention is provided with an outer panel 12 mounted at predetermined intervals on an inner panel 11 having one side bent in multiple stages to form a space part. The cylindrical impact bar 20 is mounted to the junction bracket 30 as in the conventional space. However, the present invention is a basic feature of the technical configuration that both ends of the junction bracket 30 is bent to be mounted on the inner side of the bent portion of the inner panel (11).

이와같이 구성되는 본 발명의 자동차용 도어의 보강구조는, 도어(10)의 내측 공공간부에 임팩트바(20)가 설치되도록 하는 정션브라켓(30)의 양측단부가 내측판넬 (11)의 절곡부 내측면에 취부되어, 충돌사고 등에 의하여 도어(10)에 충격이 가해지는 경우 임팩트바(20)로 흡수되는 충격에너지는 정션브라켓(30)의 양측단부가 접하는 내측판넬(11)을 통하여 펜더(50) 및 기둥으로 충격에너지의 분산이 이루어지게 된다.In the reinforcing structure of the automobile door of the present invention configured as described above, both side ends of the junction bracket 30 for installing the impact bar 20 in the inner hollow portion of the door 10 are in the bent portion of the inner panel 11. When the impact energy is absorbed by the impact bar 20 when the impact is applied to the door 10 due to a collision accident or the like, the fender 50 is connected to an inner panel 11 in contact with both ends of the junction bracket 30. ) And the impact energy is distributed to the pillars.

따라서 이러한 본 발명은 차량을 운행중 충돌과 같은 사고가 발생하여 차량의 측면으로 충격이 가해지는 경우에도, 도어(10)의 공간부에 설치되는 임팩트바(20)를 지지하고 있는 임팩트바(20)가 충격등에 의해 내측판넬(11)로부터 이탈되거나 변형이 발생되는 것을 방지하여 줌으로서, 임팩트바(20)에서 충격에너지를 효과적으로 흡수하고, 상기 임팩트바(20)로 흡수된 충격에너지는 정션브라켓(30)을 통하여 펜더(50) 및 기둥으로 분산시켜 도어(10)및 측부 차체가 실내로 침입되는 것을 효과적으로 억제시켜 준다.Therefore, in the present invention, even when an accident such as a collision occurs while driving a vehicle, the impact bar 20 supporting the impact bar 20 installed in the space portion of the door 10 is applied to the side of the vehicle. By preventing from being separated from the inner panel 11 or the deformation caused by the impact light, the impact energy is effectively absorbed in the impact bar 20, the impact energy absorbed by the impact bar 20 is a junction bracket ( 30 is effectively distributed to the fender 50 and the pillars to prevent the door 10 and the side vehicle body from entering the room.

이상에서 살펴본 바와 같이, 차량의 측면으로 충격이 가해지는 경우에도 도어 (10)의 공간부에 설치된 임팩트바(20)에서 충격에너지를 효과적으로 흡수 분산시켜 도어(10)및 측부차체가 실내로 침입되는 것을 억제시켜 준다. 이로인해 차내에 탑승한 승원이 측면으로 충돌사고가 발생한 경우에도 부상 당하는 것을 억제 하도록 하는 매우 유용한 발명인 것이다.As described above, even when an impact is applied to the side of the vehicle, the impact bar 20 installed in the space of the door 10 effectively absorbs and distributes the impact energy so that the door 10 and the side vehicle enter the room. It suppresses it. This is a very useful invention to prevent the occupants in the car from being injured even in the event of a crash on the side.

Claims (1)

내측판넬(11)과 외측판넬(12)이 소정의 간격을 두고 용착된 도어(10)의 내부에 정션브라켓(30)에 좌우 양측단부가 각기 용착되어 임팩트바(20)가 설치되는 것에 있어서, 상기 정션브라켓(30)의 좌우 양측단부가 다중으로 절곡되어 내측판넬(11)의 절곡부에 용착됨을 특징으로 하는 자동차용 도어의 보강구조.In the inner panel 11 and the outer panel 12 are welded at predetermined intervals, the left and right both ends are welded to the junction bracket 30, respectively, so that the impact bar 20 is installed. Reinforcing structure of the vehicle door, characterized in that the left and right both ends of the junction bracket 30 is bent in multiple to be welded to the bent portion of the inner panel (11).
KR1019950021339A 1995-07-20 1995-07-20 Mounting structure of door reinforcement for a car KR100231560B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950021339A KR100231560B1 (en) 1995-07-20 1995-07-20 Mounting structure of door reinforcement for a car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950021339A KR100231560B1 (en) 1995-07-20 1995-07-20 Mounting structure of door reinforcement for a car

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KR970005735A KR970005735A (en) 1997-02-19
KR100231560B1 true KR100231560B1 (en) 1999-11-15

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KR1019950021339A KR100231560B1 (en) 1995-07-20 1995-07-20 Mounting structure of door reinforcement for a car

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KR970005735A (en) 1997-02-19

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