KR20020096697A - Door for an automobile having high stiffness structure - Google Patents

Door for an automobile having high stiffness structure Download PDF

Info

Publication number
KR20020096697A
KR20020096697A KR1020010035518A KR20010035518A KR20020096697A KR 20020096697 A KR20020096697 A KR 20020096697A KR 1020010035518 A KR1020010035518 A KR 1020010035518A KR 20010035518 A KR20010035518 A KR 20010035518A KR 20020096697 A KR20020096697 A KR 20020096697A
Authority
KR
South Korea
Prior art keywords
door
impact bar
outer panel
impact
tubular
Prior art date
Application number
KR1020010035518A
Other languages
Korean (ko)
Other versions
KR100422837B1 (en
Inventor
김영탁
Original Assignee
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.)
Filing date
Publication date
Application filed by 기아자동차주식회사 filed Critical 기아자동차주식회사
Priority to KR10-2001-0035518A priority Critical patent/KR100422837B1/en
Publication of KR20020096697A publication Critical patent/KR20020096697A/en
Application granted granted Critical
Publication of KR100422837B1 publication Critical patent/KR100422837B1/en

Links

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
    • B60J5/0438—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
    • B60J5/042—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
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
    • B60R21/0428—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings associated with the side doors or panels, e.g. displaced towards the occupants in case of a side 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
    • B60R2021/0002—Type of accident
    • B60R2021/0006—Lateral collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection

Landscapes

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

Abstract

PURPOSE: A door for a vehicle with high rigidity structure is provided to improve impact resistance against lateral force, and to enhance the strength between inner and outer panels of the door by absorbing external force applied to the door with a channel type impact bar and a tubular impact bar. CONSTITUTION: A door for a vehicle is composed of an inner panel(12) and an outer panel(11) forming the closed section by assembling each other; a channel type impact bar(13) longitudinally fixed in the upper part of the outer panel; a tubular impact bar(14) longitudinally fixed in the lower part of the outer panel; and a protruded part formed in the middle of the tubular impact bar for the lower part of the door, and combined with a fixing bracket(16) by welding. The tubular impact bar is combined with the fixing brackets by welding, and fixing brackets are fixed in a bent part of the inner panel by spot-welding. Impact is reduced by absorbing external force with the impact bars, and impact resistance is improved with increasing the lateral strength with the protruded part.

Description

고강성 구조를 가지는 자동차용 도어{Door for an automobile having high stiffness structure}Door for an automobile having high stiffness structure

본 발명은 자동차용 도어에 관한 것으로, 더욱 상세하게는 도어의 내충격성을 보강하여 사고시에 차체 측면의 변형이 최소화되는 고강성 구조를 가지는 자동차용 도어에 관한 것이다.The present invention relates to a door for a vehicle, and more particularly to a door for a vehicle having a high rigidity structure to minimize the deformation of the side of the vehicle body in case of accident by reinforcing the impact resistance of the door.

종래의 자동차용 도어는 자동차의 실내를 외부로부터 보호함과 동시에 운전자나 승객이 승하차할 수 있도록 실내를 개폐하기 위하여 자동차의 측부에 설치되어 있다.Conventional automobile doors are provided on the side of the vehicle to open and close the interior of the vehicle so as to protect the interior of the vehicle from the outside and allow the driver and passenger to get on and off.

이러한 자동차의 도어에 있어, 운전자 또는 승객이 자동차 실내의 도어 바로 측면에 앉기 때문에, 측면 충돌시 도어가 변형되어 실내로 침입하여 승객에게 큰 피해를 입힐 우려가 있다.In the door of such a vehicle, since the driver or passenger sits directly on the side of the door of the vehicle interior, there is a fear that the door is deformed during the side collision and breaks into the interior, causing great damage to the passenger.

이를 위하여, 자동차용 도어는, 도 1 및 도 2에 도시된 바와 같이, 내, 외부 패널(1, 2)이 결합되어 형성되는 폐단면 내에서 내충격성 보강을 위한 채널형 임팩트 바(3)와 관상형 임팩트 바(4)가 설치된다. 이러한 임팩트 바(3, 4)들은 용접 및 브라켓(6)에 의해 도어 외부 패널(2)의 내면에 각각 도어의 길이 방향으로 고정된다. 한편, 결합된 내, 외부 패널(1, 2) 상부에 밀봉 부재를 매개로 도어 글래스(5)가 장착된다.To this end, the door for the vehicle, as shown in Figures 1 and 2, and the channel-shaped impact bar (3) for impact resistance reinforcement in the closed end surface formed by the inner, outer panel (1, 2) is coupled The tubular impact bar 4 is installed. These impact bars 3, 4 are fixed to the inner surface of the door outer panel 2 by welding and bracket 6 in the longitudinal direction of the door, respectively. On the other hand, the door glass 5 is mounted on the combined inner and outer panels 1 and 2 through the sealing member.

그러나, 상기와 같은 종래의 자동차용 도어는 도어의 외부 패널에 한 쌍의 임팩트 바가 길이 방향(종 방향)으로 고정되어, 측면 충돌시 도어의 길이 방향에 대한 강성이 향상되었으나, 여전히 도어의 횡방향에 대한 내충격성은 미약한 단점이 있었다.However, in the conventional automotive door as described above, a pair of impact bars are fixed in the longitudinal direction (longitudinal direction) to the outer panel of the door, so that the rigidity of the door in the longitudinal direction is improved during side impact, but still the transverse direction of the door The impact resistance against was weak.

또한, 내부 패널과 외부 패널 사이의 이격 공간에 의해 외부 패널의 하부는 장강성이 취약한 단점이 있었다.In addition, the lower portion of the outer panel due to the separation space between the inner panel and the outer panel has a disadvantage of weak strength.

본 발명은, 이러한 문제점을 해결하기 위해 안출한 것으로, 도어의 횡방향에 대한 내충격성이 향상되고, 도어의 내,외부 패널 사이의 장강성이 향상된 자동차용도어를 제공하는 데 그 목적이 있다.The present invention has been made to solve such a problem, and an object thereof is to provide a door for an automobile having improved impact resistance to the transverse direction of the door and improved stiffness between the inner and outer panels of the door.

도 1은 종래의 자동차용 도어를 도시한 측면도.1 is a side view showing a conventional car door.

도 2는 도 1의 Ⅱ-Ⅱ선을 따라 취한 단면도.2 is a cross-sectional view taken along the line II-II of FIG.

도 3은 본 발명의 일 실시예에 따른 자동차용 도어를 도시한 측면도.Figure 3 is a side view showing a car door according to an embodiment of the present invention.

도 4는 도 3의 Ⅳ-Ⅳ선을 따라 취한 단면도이다.4 is a cross-sectional view taken along line IV-IV of FIG. 3.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

12 : 내부 패널11 : 외부 패널12: inner panel 11: outer panel

13 : 채널형 임팩트 바14 : 관상형 임팩트 바13: channel type impact bar 14: tubular type impact bar

16 : 고정 브라켓16: fixed bracket

상기의 목적을 달성하기 위한 본 발명에 따른 고강성 구조를 가지는 자동차용 도어는, 소정의 폐단면을 형성하도록 서로 결합되는 내부 패널과 외부 패널; 외부 패널의 길이 방향을 따라 외부 패널의 내면 상부에 고정되는 채널형 임팩트 바; 외부 패널의 길이 방향을 따라 외부 패널의 내면 하부에 고정되는 관상형 임팩트 바; 관상형 임팩트 바의 길이 방향의 중앙 부분에서 도어의 하부 방향으로 형성되고, 내부 패널의 하측 절곡부에 용접된 고정브라켓에 용접되어 결합된 돌기부를 포함한다.To achieve the above object, a door for an automobile having a high rigidity structure according to the present invention includes: an inner panel and an outer panel coupled to each other to form a predetermined closed section; A channel type impact bar fixed to an upper portion of an inner surface of the outer panel along a length direction of the outer panel; A tubular impact bar fixed to the lower inner surface of the outer panel along the longitudinal direction of the outer panel; A protrusion formed in the lower direction of the door in the central portion of the longitudinal direction of the tubular impact bar, and is welded to the fixing bracket welded to the lower bent portion of the inner panel.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3 및 도 4는 본 발명의 일 실시예에 따른 자동차용 도어를 도시한다.3 and 4 illustrate a door for a vehicle according to an embodiment of the present invention.

도시된 바와 같이, 본 발명의 일 실시예에 따른 자동차의 도어는 내부 패널(12), 외부 패널(11), 채널형 임팩트 바(13), 관상형 임팩트 바(14), 다수의 고정 브라켓(16)을 포함한다.As shown, the door of the vehicle according to an embodiment of the present invention is the inner panel 12, the outer panel 11, the channel impact bar 13, the tubular impact bar 14, a plurality of fixing brackets ( 16).

내부 패널(12)과 외부 패널(11)은 소정의 폐단면을 형성하도록 서로 결합된다. 결합된 내, 외부 패널(12, 11)의 상부에는 밀봉부재를 매개로 도어 글래스(15)가 장착된다.The inner panel 12 and the outer panel 11 are joined to each other to form a predetermined closed cross section. The door glass 15 is mounted on the upper part of the combined inner and outer panels 12 and 11 through a sealing member.

채널형 임팩트 바(13)는 외부 패널(11)의 길이 방향으로 그 상부에 설치된다.The channel type impact bar 13 is installed at an upper portion thereof in the longitudinal direction of the outer panel 11.

관상형 임팩트 바(14)는 길이 방향의 중앙부분에 직각으로 돌출 형성된 돌기부(14a)를 가지며, 길이 방향의 양단부와 돌기부(14a)의 단부 각각이 내부 패널(12)에 3 개의 고정 브라켓(16)에 의해 고정된다. 여기서, 고정 브라켓(16)들과 임팩트 바(14)는 전기 용접에 의해 고정되며, 내부 패널(12)의 절곡부에 고정 브라켓(16)들이 점용접에 의해 고정된다.The tubular impact bar 14 has projections 14a protruding at right angles to the central portion in the longitudinal direction, and each of the two ends and the end portions of the projections 14a in the longitudinal direction have three fixing brackets 16 on the inner panel 12. It is fixed by). Here, the fixing brackets 16 and the impact bar 14 are fixed by electric welding, and the fixing brackets 16 are fixed by spot welding at the bent portion of the inner panel 12.

한편, 관상형 임팩트 바(14)와 외부 패널(11) 사이에는 실란트와 같은 구조용 충진제(18)를 도포하여 접합함으로써 관상형 임팩트 바(14)과 외부 패널(11)의 결합을 더욱 견고히 하여 도어 하부의 장강성을 향상시킨 특징이 있다.On the other hand, between the tubular impact bar 14 and the outer panel 11 by applying a structural filler 18, such as a sealant, by bonding the tubular impact bar 14 and the outer panel 11 to further strengthen the door There is a feature that improves the lower stiffness.

이러한 보강 구조로 인해 측면 충돌이 발생되면, 채널형 임팩트 바(13)와 관산형 임팩트 바(14)가 도어의 상부 및 하부로 가해지는 외력을 흡수하여 충격을 저감시키며, 한편, 관상형 임팩트 바(14)의 돌기부(14a)에 의해 즉, 도어의 측면의 횡방향이 보강되어 차체의 측면 내충격성을 더욱 보강한 특징이 있다.When the side impact occurs due to such a reinforcing structure, the channel-type impact bar 13 and the tubular impact bar 14 absorb external forces applied to the upper and lower parts of the door to reduce the impact, while the tubular impact bar The protruding portion 14a of (14), i.e., the transverse direction of the side surface of the door is reinforced to further reinforce the side impact resistance of the vehicle body.

상기된 바와 같은 본 발명에 따른 고강성 구조를 가지는 자동차용 도어는 도어의 길이 방향 뿐만아니라 도어의 횡방향에 대한 내충격성이 향상되고, 도어의 내,외부 패널 사이의 장강성이 향상된 매우 뛰어난 효과가 있다.The door for a vehicle having a high rigidity structure according to the present invention as described above is not only the longitudinal direction of the door but also the impact resistance to the transverse direction of the door is improved, and the excellent rigidity between the inner and outer panels of the door is improved very excellent effect There is.

이상에서는, 본 발명을 특정의 바람직한 실시예에 대해서 도시하고 설명하였다. 그러나, 본 발명은 상술한 실시예에만 한정되는 것은 아니며 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 이하의 특허청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어남이 없이 얼마든지 다양하게 변경실시할 수 있을 것이다.In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains can vary as many without departing from the spirit of the technical idea of the present invention described in the claims below. Modifications may be made.

Claims (1)

소정의 폐단면을 형성하도록 서로 결합되는 내부 패널과 외부 패널;An inner panel and an outer panel coupled to each other to form a predetermined closed cross section; 상기 외부 패널의 길이 방향을 따라 상기 외부 패널의 내면 상부에 고정되는 채널형 임팩트 바;A channel type impact bar fixed to an upper portion of an inner surface of the outer panel along a length direction of the outer panel; 상기 외부 패널의 길이 방향을 따라 상기 외부 패널의 내면 하부에 고정되는 관상형 임팩트 바;A tubular impact bar fixed to an inner lower surface of the outer panel along a longitudinal direction of the outer panel; 상기 관상형 임팩트 바의 길이 방향의 중앙 부분에서 도어의 하부 방향으로 형성되고, 상기 내부 패널의 하측 절곡부에 용접된 고정브라켓에 용접되어 결합된 돌기부를 포함하는 고강성 구조를 가지는 자동차용 도어.An automobile door having a high rigidity structure including a protrusion formed in a lower direction of the door at a central portion in the longitudinal direction of the tubular impact bar, the protrusion being welded to and coupled to a fixing bracket welded to a lower bent portion of the inner panel.
KR10-2001-0035518A 2001-06-21 2001-06-21 Door for an automobile having high stiffness structure KR100422837B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2001-0035518A KR100422837B1 (en) 2001-06-21 2001-06-21 Door for an automobile having high stiffness structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2001-0035518A KR100422837B1 (en) 2001-06-21 2001-06-21 Door for an automobile having high stiffness structure

Publications (2)

Publication Number Publication Date
KR20020096697A true KR20020096697A (en) 2002-12-31
KR100422837B1 KR100422837B1 (en) 2004-03-12

Family

ID=27710422

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2001-0035518A KR100422837B1 (en) 2001-06-21 2001-06-21 Door for an automobile having high stiffness structure

Country Status (1)

Country Link
KR (1) KR100422837B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950032674U (en) * 1994-05-04 1995-12-14 Impact bar mounting structure for passenger car door

Also Published As

Publication number Publication date
KR100422837B1 (en) 2004-03-12

Similar Documents

Publication Publication Date Title
KR100405892B1 (en) Floor panel assembly having improved stiffness against side impact
KR100362719B1 (en) front frame reinforcement structure of car
KR100422837B1 (en) Door for an automobile having high stiffness structure
KR100339221B1 (en) Car body reinforcement structure of vehicle
KR100320822B1 (en) reinforcement structure of sill side portion for vehicle
KR100381250B1 (en) Door for a motor vehicle
KR100309612B1 (en) High rigidity structure of sill side for vehicle
KR100410924B1 (en) Door having a high stiffness in a motor vehicle
KR100320821B1 (en) reinforcement structure of sill side portion for vehicle
KR100197872B1 (en) Sill side for an automobile
KR100240503B1 (en) Door having high stiffness structure of a vehicle
KR0128313Y1 (en) Reinforcement structure of side sill member for an automobile
KR20010005168A (en) Side frame reinforcement structure of car
KR200252717Y1 (en) Center pillar connection structure of automobile
KR100309411B1 (en) Pillar structure for vehicle
KR200260745Y1 (en) reinforcement structure of sill side portion for vehicle
KR0137506Y1 (en) Reinforcing structure of rear vehicle frame
KR19980029264U (en) Rigidity reinforcement structure of car front door
KR19980045249U (en) Seal side of car
KR20030083202A (en) Side door with reinforced bracket of impact-bar for vehicles
KR19980048340U (en) Center pillar reinforcement structure of automobile
KR19980048343U (en) Center pillar reinforcement structure of automobile
KR19980038944A (en) Front body structure of the car
KR19990026986U (en) Rear door reinforcement structure of side impact cost
KR19980060041U (en) Rear member reinforcement structure of car

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080303

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee