KR0171345B1 - Side impact absorption member of a car door - Google Patents

Side impact absorption member of a car door Download PDF

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Publication number
KR0171345B1
KR0171345B1 KR1019950062509A KR19950062509A KR0171345B1 KR 0171345 B1 KR0171345 B1 KR 0171345B1 KR 1019950062509 A KR1019950062509 A KR 1019950062509A KR 19950062509 A KR19950062509 A KR 19950062509A KR 0171345 B1 KR0171345 B1 KR 0171345B1
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KR
South Korea
Prior art keywords
door
tube
impact
metal tube
inner material
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KR1019950062509A
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Korean (ko)
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KR970035219A (en
Inventor
전용민
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김태구
대우자동차주식회사
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Priority to KR1019950062509A priority Critical patent/KR0171345B1/en
Publication of KR970035219A publication Critical patent/KR970035219A/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
    • B60J5/0455—Reinforcement elements integrated in door structure or other door elements, e.g. beam-like shapes stamped in inner door 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
    • B60J5/0412—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
    • B60J5/042—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
    • B60J5/0444—Beams characterised by a special cross section

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

본발명은 측면 충돌 충격흡수용 내부재에 관한 것으로서, 외경이 상기 도어공간보다 작으며 탄성을 지니는 중공형 금속관(10); 및 외측표면 원주둘레를 따라 종방향 돌출부(21)과 홈(22)이 교대로 형성되며, 상기 금속관(10)의 한쪽 외측면만이 내부일측면(24)에 부착되며 내부에 가압공기가 충전된 고탄력재튜브(20)로 구성된다.The present invention relates to a side impact shock absorbing inner material, the outer diameter is smaller than the door space and has a hollow metal tube (10); And longitudinal projections 21 and grooves 22 are alternately formed along the outer circumference of the outer surface, and only one outer surface of the metal tube 10 is attached to one inner surface 24 and pressurized air is filled therein. It is composed of a high elastic resilient tube (20).

본발명의 내부재로 채택하면, 도어 측면 충돌시 충격력을 거의 완벽하게 분산 및 흡수하여 외장의 변형을 방지할 수 있다.Adopted as the inner material of the present invention, it is possible to almost completely distribute and absorb the impact force in the event of a door side collision to prevent the deformation of the exterior.

Description

도어의 측면 충돌충격 흡수용 내부재Internal material for absorbing impact shock on the side of door

제1도는 종래의 도어의 내장 강성 구조를 보여주는 단면도.1 is a cross-sectional view showing a built-in rigid structure of a conventional door.

제2도는 제1도의 충격후의 변형상태를 보여주는 단면도.2 is a cross-sectional view showing the deformation state after the impact of FIG.

제3도는 본 발명에 따른 충격흡수용 내부재의 구조를 보여주는 단면도로서 참조를 이해 충돌 지점이 점선부(B)로 표시된 도면.Figure 3 is a cross-sectional view showing the structure of the shock absorbing inner material according to the present invention, the reference point is indicated by the dotted line (B) to understand the reference.

제4도는 도어의 측면충돌시 변화되는 형태를 보여주는 단면도.Figure 4 is a cross-sectional view showing the shape that changes when the side impact of the door.

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

1 : 도어외장패널 2 : 내부플레이트1: exterior door panel 2: internal plate

10 : 금속관 20 : 튜브10: metal tube 20: tube

21 : 돌출부 22 : 홈21: protrusion 22: groove

24,25 : 내측면 Pa : 내부공기압24,25: Inner side Pa: Internal air pressure

Po : 외부공기압Po: External air pressure

본 발명은 도어의 측면 충돌 충격 흡수제, 특히, 도어의 내부에 가압공기가 충전된 고탄력튜브와 그 튜브내부에 내장된 강철재금속관으로 구성된 측면 충돌 충격흡수용 내부재에 관한 것이다.The present invention relates to a side impact shock absorbing inner material composed of a side impact shock absorber of the door, in particular, a high-elasticity tube filled with pressurized air inside the door and a steel metal tube embedded therein.

일반적으로 승용자동차의 도어의 도어외장과 내부플레이트 사이에는 측면충돌시 충격을 흡수하기 위한 충격흡수용 내부재가 장착되어 있다. 이같은 내부재의 설치 높이는 주로 사이드 몰딩 위치와 일치한다. 이는 사이드 몰딩이 도어의 외측으로 가장 돌출된 부분으로 측면충돌시 가장 빈번하게 최초로 충격되는 부분이기 때문이다.In general, between the door exterior and the inner plate of the door of the passenger car is equipped with a shock absorbing inner material for absorbing the impact in the event of a side collision. The installation height of this inner material mainly coincides with the side molding position. This is because the side molding is the part which most protrudes to the outside of the door and is the part which is most frequently first impacted in the side collision.

현재 가장 널리 사용되는 통상 도어 임팩트빔이라 칭해지는 내부재가 앞뒤 4개의 도어 중간부분에 내장되어 측면 충돌시 완충작용을 함으로써 탑승자의 안전을 보장해 주고 있다.The inner material, commonly called the door impact beam, which is the most widely used at present, is embedded in the middle part of the front and rear four doors to cushion the side impact to ensure the occupant's safety.

그러나 이같은 내부재는 빔이라는 특성으로 인해, 인장강도 및 충격흡수, 특히 탄성면에 있어 제한적인 효과를 발휘하므로, 측면충돌발생시 그 충격이 그대로 차체에 전달되거나 또는 원형복구력이 약해 외장의 변형을 초래할 수 있었다.However, due to the characteristic of the beam, such an inner material exhibits a limited effect on tensile strength and shock absorption, especially on the elastic surface. Therefore, when a side collision occurs, the impact is transmitted to the vehicle as it is, or the circular recovery force is weak, resulting in deformation of the exterior. Could.

제1도의 종래의 내부재에 있어서, 빔형식의 내부재(3)는 작은 측면충격을 받을 경우 1차 충격이 그대로 빔을 통해 도어트림 또는 탑승자에게 전달됨을 알 수있다. 즉, 제2도에 도시된 바와같이 일단 충격이 발생되기만 하면 그 충격력이 내측으로 전달되는 단점이 있다.In the conventional inner material of FIG. 1, the beam type inner material 3 can be seen that the primary shock is transmitted to the door trim or occupant through the beam as it is subjected to a small side impact. That is, as shown in FIG. 2, once an impact is generated, the impact force is transmitted to the inside.

따라서 본기술분야의 당업자들은 기존의 충격흡수 내부재보다 우수한 충격흡수력 및 복원력을 지니는 충격흡수용 내부재를 고대해 왔다.Therefore, those skilled in the art have been looking forward to the shock absorbing inner material having a superior shock absorbing and restoring force than the existing shock absorbing inner material.

그러므로 본발명의 목적은, 도어에 작은 측면 충돌발생시 탄성 및 공기 압력을 이용하여 충격을 흡수 또는 분산시켜 내부플레이트 또는 도어트림에 충격력이 전달되지 않으며 외장이 신속히 복원될 수 있는 도어의 충겨흡수용 내부재를 제공하는데 있다.Therefore, an object of the present invention is to absorb or disperse a shock by using elasticity and air pressure when a small side collision occurs in the door, so that impact force is not transmitted to the inner plate or the door trim and the exterior can be quickly restored. To provide a member.

이같은 목적은 본발명의 내부재에 의해 달성되는바, 본발명의 일면에 따르면, 도어의 외장과 내부플레이트 사이에 제공되는 측면 충돌 충격 흡수용 내부재에 있어서, 외경이 상기 도어외장과 플레이트간의 공간보다 작으며 탄성을 지니는 금속관; 및 외측표면 둘레에 종방향 돌출부가 형성되면 상기 금속재관의 한쪽 외측면이 내부 일측면에 부착되고 다른 외측면은 내부의 타측면으로부터 이격되며, 가압공기가 충전된 고탄력재 튜브로 구성되는 것을 특징으로 한다.This object is achieved by the interior material of the present invention. According to one aspect of the present invention, in a side impact shock absorbing interior material provided between the exterior of the door and the inner plate, the outer diameter is a space between the door exterior and the plate. Smaller and elastic metal tubes; And when a longitudinal protrusion is formed around the outer surface, one outer side of the metal tube is attached to one inner side of the metal tube and the other outer side is spaced apart from the other side of the inner side, and consists of a highly elastic tube filled with pressurized air. It is done.

본발명이 또다른 면에 따르면, 측면 충돌시 충격력이 도어 외장과 상기 튜브의 접촉면적을 따라 분산된다.According to another aspect of the invention, the impact force is distributed along the contact area of the door sheath and the tube during side impact.

이같은 목적 및 특장점이 비제한적 실시예를 참조로 하는 후술설명에 의해 더 명백히 이해될 것이다.These objects and features will be more clearly understood by the following description with reference to non-limiting examples.

제3도는 본발명에 따른 충격흡수용 내부재가 도어의 외장패널(1)과 도어트림(2)사이에 내장된 상태를 보여주는 단면도이다.3 is a cross-sectional view showing a state in which the shock absorbing inner member according to the present invention is embedded between the outer panel 1 and the door trim 2 of the door.

내부재의 고탄성튜브(20)는 고무 또는 수지와 같은 고탄력재질로 성형된다. 튜브(20)의 외표면에는 그 둘레를 따라 종방향으로 돌기부(21)와 홈(22)이 일정간격으로 연속 제공되어 있다. 튜브(20)의 내부에는 일정압력의 가압공기가 충전된다.The high elastic tube 20 of the inner material is molded of a high elastic material such as rubber or resin. On the outer surface of the tube 20, projections 21 and grooves 22 are continuously provided at regular intervals along the circumference thereof in the longitudinal direction. The inside of the tube 20 is filled with pressurized air at a constant pressure.

내부재(10)는 금속관(10)을 내장하고 있는바, 그 금속관은 탄성을 지닌 강철재로 성형된다. 금속관(10)의 내부에도 또한 일정압력의 가압공기가 충전될 수 있다.The inner material 10 contains a metal tube 10, the metal tube is formed of a steel material having elasticity. The inside of the metal tube 10 may also be filled with pressurized air at a constant pressure.

상기 금속관(10)의 일측의 일면은 상기 튜브(20)의 일내측에 즉, 튜브(20)가 도어의 내부플레이트(2)에 접하는 외측면의 내측에 부착된다.One surface of one side of the metal tube 10 is attached to one inner side of the tube 20, that is, the inner side of the outer surface of the tube 20 in contact with the inner plate 2 of the door.

본고안의 내부재의 튜브(20)및 금속관(10)은 별도로 제조되어 합체될 수 있다. 또한 금속관(10)을 합체한 튜브(20)는 그 탄성에 의해 도어의 내부공간에 무관하게 제위치에 손쉽게 장착될 수 있는바, 그 형상은 공간의 크기에 따라 완전원형 또는 타원형을 이룰 수 있다.Tube 20 and metal tube 10 of the inner material of the present invention may be manufactured separately and incorporated. In addition, the tube 20 incorporating the metal tube 10 can be easily mounted in place irrespective of the inner space of the door by its elasticity, and its shape may be completely circular or oval depending on the size of the space. .

또한 튜브(20)의 위치는 도어외장의 사이드몰딩 위치에 그 중앙이 배치되는 것이 바람직하다.In addition, the center of the tube 20 is preferably disposed at the side molding position of the door exterior.

제4도는 충돌시 내부배의 튜브(20)가 변형되는 방식이 도시되어 있다.4 shows how the inner tube 20 is deformed upon impact.

더욱 상세하게 설명하면, 도어외장에 충격력(F)이 가해지면 도어외장이 변형됨과 동시에 외장패널(1)의 변형변위에 따라 튜브가 상응하게 변형된다. 이후 금속관(20)과 이격되어 있는 튜브의 내측면(25)이 금속관에 접하며, 계속적인 충격력 전달시 금속관(20)이 이에 상응하게 변형되어 충격을 흡수한다.In more detail, when the impact force F is applied to the door exterior, the door exterior is deformed and the tube is correspondingly deformed according to the deformation displacement of the exterior panel 1. Then, the inner surface 25 of the tube spaced apart from the metal tube 20 is in contact with the metal tube, the metal tube 20 is correspondingly deformed to absorb the shock during continuous impact force transmission.

이같은 충격력은 튜브의 탄성력, 그 내부의 공기압(Pa)및 금속관(10)의 탄성력의 상호작용에 의해 분산 및 흡수된다. 특히 초기의 충격력은 대부분 튜브(20)의 탄성변형에 의해 제3도에 도시된 충돌 흡수면적(B)이 제4도에 표시된 흡수면적(B')와 같이 분산된다.This impact force is dispersed and absorbed by the interaction of the elastic force of the tube, the air pressure Pa therein, and the elastic force of the metal tube 10. In particular, the initial impact force is largely dispersed by the elastic deformation of the tube 20 such that the impact absorption area B shown in FIG. 3 is distributed as the absorption area B 'indicated in FIG.

또한 튜브외측에 형성된 돌출부(21)와 홈(22)등은 외장의 변형에 민감하게 대처하여 외장의 내표면에 접촉되어 충격력을 신속하게 분산 및 흡수한다.In addition, the protrusions 21, the grooves 22, etc. formed on the outer side of the tube are sensitive to deformation of the sheath and are in contact with the inner surface of the sheath to quickly disperse and absorb impact force.

충격력이 중단되거나, 이같은 충격력의 분산 및 흡수에 의해 충격력이 소진되면, 제3도에 도시된 바와같이 외부공기압(Po)이 내부재의 내부공기압(Pa)보다 작게 되어 원상태로 완전복귀된다.When the impact force is stopped or the impact force is exhausted by the dispersion and absorption of such impact force, as shown in FIG. 3, the external air pressure Po becomes smaller than the internal air pressure Pa of the inner material, thereby completely returning to the original state.

따라서 작은 충격시 충격력은 도어 내장트림에 전달되기 전에 이미 분산 및 흡수되어 소지되기 때문에 도어내의 다른 구성 요소 및 도어트림, 특히 탑승자에게 전혀 손상을 입히지 않는다.Therefore, the impact force at the time of small impact is already distributed and absorbed before being transmitted to the door interior trim, and thus does not damage the other components and the door trim in the door, especially the occupant.

본발명은 또한 기존의 도어 임팩트빔에 부가적으로 사용할 수도 있으며, 도어 임팩트빔을 대체하여 사용할 수도 있으며, 또한 그 구조가 중공형이기 때문에 무게를 감소시킬 수 있어 차량전체의 무게감소에 일조한다.The present invention can also be used in addition to the existing door impact beam, can be used as a replacement for the door impact beam, and also because the structure is hollow, can reduce the weight, contributing to the weight reduction of the entire vehicle.

결국 본발명에 따른 충격흡수용 내부재를 도어에 장착하면, 작은 충돌시 충격력을 거의 완전하게 분산 및 흡수 할 수 있고, 또한 탄성력 및 공기압의 작용에 의해 원상복구될 수 있어 외장이 변형되지 않을 것이다. 또한 자동차 전체의 무게 감소에도 효과가 있음을 알 수있다.After all, when the shock absorbing inner material according to the present invention is mounted on the door, the impact force can be almost completely distributed and absorbed in the case of a small collision, and can be restored to its original state by the action of elastic force and air pressure, so that the exterior will not be deformed. . In addition, it can be seen that it is also effective in reducing the weight of the entire car.

이상에서 본발명에 따른 바람직한 실시예를 설명하였는바, 본 기술분야의 당업자라면 첨부된 특허청구의 범위를 벗어남이 없이 다양한 변형예 및 수정예를 실시할 수 있을 것으로 이해된다.Having described the preferred embodiment according to the present invention, it will be understood by those skilled in the art that various modifications and variations can be made without departing from the scope of the appended claims.

Claims (1)

도어의 외장과 내부플레이트 사이에 장착되는 측면 충돌 충격 흡수용 내부재에 있어서, 외경이 상기 외장과 플레이트 사이의 공간보다 작으며 탄성을 지니는 중공형 금속관(10); 및 외측표면 원주둘레를 따라 종방향 돌출부(21)와 홈(22)이 교대로 연속형성되며 상기 금소관(10)의 한쪽 외측면만이 내부일측면(24)에 부착되며 내부에 가압 공기가 충전된 고탄력재 튜브(20); 로 구성되는 것을 특징으로 하는 도어의 측면충돌 충격 흡수용 내부재.A side impact shock absorbing inner material mounted between an outer plate and an inner plate of the door, the outer diameter of which is smaller than the space between the outer plate and the plate, the hollow metal tube having elasticity; And longitudinal projections 21 and grooves 22 are alternately formed along the outer circumference of the outer surface, and only one outer surface of the gold pipe 10 is attached to one inner surface 24 and pressurized air is formed therein. Filled high elastic material tube 20; Side impact impact absorbing inner material of the door, characterized in that consisting of.
KR1019950062509A 1995-12-29 1995-12-29 Side impact absorption member of a car door KR0171345B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950062509A KR0171345B1 (en) 1995-12-29 1995-12-29 Side impact absorption member of a car door

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Application Number Priority Date Filing Date Title
KR1019950062509A KR0171345B1 (en) 1995-12-29 1995-12-29 Side impact absorption member of a car door

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KR970035219A KR970035219A (en) 1997-07-22
KR0171345B1 true KR0171345B1 (en) 1999-02-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105172545A (en) * 2015-10-08 2015-12-23 北京汽车研究总院有限公司 Vehicle door anti-collision beam assembly, vehicle door and vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105172545A (en) * 2015-10-08 2015-12-23 北京汽车研究总院有限公司 Vehicle door anti-collision beam assembly, vehicle door and vehicle

Also Published As

Publication number Publication date
KR970035219A (en) 1997-07-22

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