KR20110058298A - Tray structure of arm rest of door trim for vehicle - Google Patents

Tray structure of arm rest of door trim for vehicle Download PDF

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Publication number
KR20110058298A
KR20110058298A KR1020090115039A KR20090115039A KR20110058298A KR 20110058298 A KR20110058298 A KR 20110058298A KR 1020090115039 A KR1020090115039 A KR 1020090115039A KR 20090115039 A KR20090115039 A KR 20090115039A KR 20110058298 A KR20110058298 A KR 20110058298A
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KR
South Korea
Prior art keywords
armrest
door trim
arm rest
hook
vehicle
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KR1020090115039A
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Korean (ko)
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KR101155470B1 (en
Inventor
이홍기
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한일이화주식회사
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Priority to KR1020090115039A priority Critical patent/KR101155470B1/en
Publication of KR20110058298A publication Critical patent/KR20110058298A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B60R13/0237—Side or rear panels
    • B60R13/0243—Doors
    • 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
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/75—Arm-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
    • B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
    • B60R2011/0019—Side or rear panels
    • B60R2011/0021—Doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/0049—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means for non integrated articles
    • B60R2011/005—Connection with the vehicle part
    • B60R2011/0063—Connection with the vehicle part using adhesive means, e.g. hook and loop fasteners
    • 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
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles

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

Abstract

PURPOSE: An arm rest of a door trim for a vehicle is provided to prevent a protruding part of an arm rest unit from being exposed to a passenger in the event of a broadside collision. CONSTITUTION: An arm rest of a door trim for a vehicle comprises an arm rest unit(32), a locking part(37), and a sliding part(36). The arm rest unit is assembled via a hook(33) and rotated by the locking part so that a protruding part of the arm rest unit is not exposed to a passenger in a broadside collision. The hook is formed with a notch(35) that is broken by the stress generated in a collision. The locking part is coupled with the protruding part of the arm rest unit. The sliding part guides the arm rest unit broken at the notch to separate.

Description

자동차용 암 레스트 도어트림{Tray structure of arm rest of door trim for vehicle}Door structure of arm rest of door trim for vehicle

본 발명은 자동차 측면 충돌시 안전성이 향상된 도어 트림에 관한 것으로, 도어트림의 슬라이딩 구조에 의해 탑승자에게 팔걸이부 돌출부가 노출되지 않는 도어트림에 관한 것이다.The present invention relates to a door trim with improved safety during collision of a vehicle, and to a door trim in which the armrest protrusion is not exposed to the occupant by the sliding structure of the door trim.

자동차의 안전도 시험 중 도어 트림에 대한 시험은 인체의 복부 상해에 해당되는 시험으로서, 도어 트림의 자체 측면충돌시험에서 목표 흡수에너지 내에 반력이 적어도 2.0Kgf 이하여야 하고, 충돌 충격 후에도 파손된 부위에 샤프 에지가 없어야 한다.The test on the door trim during the safety test of the car corresponds to the abdominal injury of the human body. In the side trim test of the door trim, the reaction force within the target absorbed energy should be at least 2.0 Kgf and the damaged part after the impact impact. There should be no sharp edges.

자동차 측면충돌시험은 950kg의 이동 충돌 대차를 이용하여 자동차 측면 도어 측에 55km/h 속도 이상으로 충돌한다. 도 1을 참조하면, 자동차 시트에 마련된 인체모델(DUMMY)이 충돌 충격에 의한 반작용으로 도어트림(11)에 부딪치면서, 충격를 감지하는 센서가 내장된 인체모델 복부는 도어트림 팔걸이부(12)에 부딪친다. The vehicle side collision test hits the vehicle side door side at a speed of more than 55 km / h using a 950 kg moving collision bogie. Referring to Figure 1, the human body model (DUMMY) provided in the car seat bumps the door trim 11 in response to the impact of the impact, the body model abdomen with a sensor for detecting the shock is built into the door trim armrest 12 Bump

이에 측면충돌 안전법규에서는 인체 모델에 설치된 센서에 의해 감지된 복부 상해치를 2.5kN 이하로 규정하고 있다. 도어트림(11)은 인체 복부 상해 위험을 증가시키는 SHARP EDGE가 없어야 하며 이러한 규격에 미달될 경우 안전법규에 위배되며, 소비자의 자동차에 대한 신뢰도에 지대한 영향을 미친다.Therefore, the side impact safety law regulates the abdominal injury value detected by the sensor installed in the human body model to 2.5kN or less. The door trim 11 should be free of SHARP EDGE, which increases the risk of abdominal injury to the human body, and if it does not meet these standards, it will violate safety regulations and greatly affect the reliability of the consumer's car.

도 2a 및 2b는 기존의 팔걸이부가 후크에 의해 도어트림에 장착된 내부구조를 나타내는 것으로, 도어트림 팔걸이부(22)가 열융착이나 스크류에 의한 강제 조립방법이 아닌 후크(23)에 의한 방법으로 조립된 경우, 측면충돌시 팔걸이부의 후크(23)의 변형에 의해 팔걸이부(22)가 도어트림(26)에서 이탈되어 도어트림(26)의 팔걸이 주위부의 강성이 약화되어 변형에 의한 인체의 충돌에너지 흡수율이 증대된다. 하지만, 이탈된 팔걸이부(22)의 날카로운 돌출부(24)가 승객을 향함으로써 인체 상해위험의 문제점이 있다.2A and 2B illustrate an internal structure in which an existing armrest part is mounted to a door trim by a hook, and the door trim armrest part 22 is not a forced assembly method by heat fusion or screws, but by a hook 23 method. When assembled, the armrest part 22 is separated from the door trim 26 by the deformation of the hook 23 of the armrest part when the side collision occurs, the rigidity around the armrest of the door trim 26 is weakened, and the human body collides due to the deformation. The energy absorption rate is increased. However, there is a problem of human injury risk by the sharp protrusion 24 of the detached armrest 22 toward the passenger.

본 발명은 상기한 바와 같은 종래기술의 문제점을 해결하기 위한 것으로, 후크에 노치부를 형성하고, 반대편 돌출부가 걸림부에 의해 회전하도록 하여 측면 차량 충돌시 탑승자에게 팔걸이 돌출부가 노출되지 않도록 하는 도어트림을 제공한다.The present invention is to solve the problems of the prior art as described above, to form a notch in the hook, and the opposite projection is rotated by the locking portion to the door trim to prevent the armrest protrusion to be exposed to the occupant during side vehicle collision to provide.

상기 목적을 달성하기 위하여 본 발명은,The present invention to achieve the above object,

후크에 의해 조립되는 팔걸이부를 포함하는 도어트림에 있어서, 상기 후크에 노치부를 형성하고, 팔걸이 돌출부와 결합되는 걸림부를 형성하여 차량충돌시 생긴 응력에 의해 상기 노치부에서 파단이 발생하고, 상기 걸림부에 의해 상기 팔걸이부가 회전하여 차량충돌시 탑승자에게 팔걸이 돌출부가 노출되지 않는 것을 특징으로 하는 도어트림을 제공한다.In the door trim including an armrest portion assembled by a hook, the notch portion is formed in the hook, the engaging portion coupled to the armrest protrusion is formed, the fracture occurs in the notch portion by the stress generated during the vehicle crash, the locking portion The armrest by rotating to provide a door trim, characterized in that the armrest protrusion is not exposed to the occupant during the vehicle crash.

또한, 본 발명은 상기 노치부에서 파단된 팔걸이부가 분리되도록 유도하는 슬라이딩부를 더 포함하는 것을 특징으로 한다.In addition, the present invention is characterized in that it further comprises a sliding portion for inducing to separate the armrest portion broken in the notch portion.

본 발명에 따르면, 차량 측면충돌시 2차 충격에 의해 인체 복부가 부딪치는 도어트림 팔걸이부가 복부에 가해지는 충격을 최소화하고, 팔걸이부의 돌출부가 인 체에 노출되지 않는 구조로 되어 있어 탑승자의 안전도를 향상시키는 효과가 있다.According to the present invention, the impact of the door trim armrest portion hitting the human abdomen by the secondary impact during the side impact of the vehicle is minimized to the abdomen, and the protrusion of the armrest portion is not exposed to the human body to improve the safety of the occupants It is effective to improve.

본 발명은 후크에 의해 조립되는 팔걸이부를 포함하는 도어트림에 있어서, 상기 후크에 노치부를 형성하고, 팔걸이 돌출부와 결합되는 걸림부를 형성하여 차량충돌시 생긴 응력에 의해 상기 노치부에서 파단이 발생하고, 상기 걸림부에 의해 상기 팔걸이부가 회전하여 차량충돌시 탑승자에게 팔걸이 돌출부가 노출되지 않는 것을 특징으로 하는 도어트림을 제공한다.According to the present invention, in the door trim including an armrest part assembled by a hook, the notch part is formed in the hook, and a break occurs in the notch part due to the stress generated during the vehicle crash by forming a catch part coupled to the armrest protrusion. The armrest is rotated by the locking portion to provide a door trim, characterized in that the armrest protrusion is not exposed to the occupant during the vehicle crash.

또한, 본 발명은 상기 노치부에서 파단된 팔걸이부가 분리되도록 유도하는 슬라이딩부를 더 포함하는 것을 특징으로 한다.In addition, the present invention is characterized in that it further comprises a sliding portion for inducing to separate the armrest portion broken in the notch portion.

따라서, 본 발명은 자동차 측면충돌 시험시 인체 복부 상해치를 최저로 하고 팔걸이부 이탈시 인체에 미치는 팔걸이부 승객방향 돌출부의 노출을 방지하는 도어트림 및 팔걸이부 구조로서 충돌시 팔걸이부의 돌출부 형상이 인체에 노출되지 않도록 하는 것이 주된 특징이다.Therefore, the present invention is a door trim and armrest part structure that minimizes the abdominal injury value of the human body abdominal injury in the side impact test of the vehicle and prevents the exposure of the armrest part passenger direction protrusion on the human body when the armrest part is separated from the protrusion shape of the armrest part on the human body during a collision. The main feature is that it is not exposed.

이하, 첨부된 도면을 참조하여 본 발명을 보다 상세히 설명한다. 첨부된 도면은 본 발명의 예시적인 형태를 도시한 것으로, 이는 본 발명을 보다 상세히 설명하기 위해 제공되는 것일 뿐, 이에 의해 본 발명의 기술적인 범위가 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. The accompanying drawings show exemplary forms of the present invention, which are provided to explain the present invention in more detail, and the technical scope of the present invention is not limited thereto.

도 3 및 4는 본 발명의 일 실시예에 따른 도어트림을 나타내는 것으로, 노치 부(35)가 형성된 후크(33)에 의해 팔걸이부(32)가 도어트림에 결합되고, 걸림부(37)가 형성되어 있어, 측면 충돌시 팔걸이 돌출부(도 4의 44)가 탑승자에게 노출되지 않는 구조를 가진다.3 and 4 show a door trim according to an embodiment of the present invention, the armrest portion 32 is coupled to the door trim by a hook 33 on which a notch portion 35 is formed, and the locking portion 37 is It is formed so that the armrest protrusion (44 in Fig. 4) is not exposed to the occupant during side impact.

차량충돌에 의한 1차 충돌 후 탑승자의 2차 충돌시 탑승자의 복부가 팔걸이부(44)에 충돌되어 팔걸이부(32)에 힘이 가해져 팔걸이부(32)의 후크(33)에 응력이 발생하기 시작한다. 이 때, 후크(33)에 파단유도를 위하여 노치구조(35)를 적용하여 노치부(35)에 응력이 집중됨으로써 노치부(35)에서 파단이 이루어진다. In the second collision of the occupant after the first collision due to a vehicle collision, the abdomen of the occupant collides with the armrest part 44 and a force is applied to the armrest part 32 to generate stress in the hook 33 of the armrest part 32. To start. At this time, the notch structure 35 is applied to the hook 33 to induce a break, so that stress is concentrated in the notch 35 so that the fracture occurs at the notch 35.

상기 노치부(35)는 팔걸이부의 조립역할을 위한 후크의 강성을 유지하기 위하여, 일반적으로 PP의 연성재질을 적용할 경우 후크 두께의 1/4이하의 깊이를 가지며, 팔걸이부 강성증대를 위하여 ABS의 취성재질을 적용할 경우 후크 두께의 1/5이하의 깊이를 적용한다.In order to maintain the rigidity of the hook for the assembly role of the armrest part, the notch part 35 generally has a depth of 1/4 or less of the thickness of the hook when the flexible material of PP is applied, and the ABS for the armrest part stiffness increase. If the brittle material is applied, the depth less than 1/5 of the hook thickness is applied.

상기에서와 같이, 후크(33)의 파단이 이루어진 팔걸이부(32)는 탑승자 방향의 팔걸이 돌출부분(44)의 걸림부(47)에 의해 회전의 중심이 되어, 도어트림의 슬라이딩부(36)에 의해 팔걸이부(32)의 이탈이 유도됨으로 탑승자에게 팔걸이부 돌출부(44)가 노출되지 않는다.As described above, the armrest portion 32 in which the hook 33 is broken becomes the center of rotation by the locking portion 47 of the armrest protrusion 44 in the occupant direction, and the sliding portion 36 of the door trim. By the induction of the armrest part 32 by the armrest protrusion 44 is not exposed to the occupant.

상기 도어트림의 슬라이딩부(36)는 충격에 의한 팔걸이부 후크 파단부의 꺽임력을 초과하지 않고 팔걸이부 회전시 상관부와의 마찰력을 초과하지 않도록 약 45도의 경사도를 적용하여 팔걸이부의 회전저항력이 최소가 되도록 한다.The sliding part 36 of the door trim is applied with an inclination of about 45 degrees so as not to exceed the bending force of the armrest hook breaking part due to the impact, and not to exceed the frictional force with the correlator when the armrest rotates, thereby minimizing the rotational resistance of the armrest part. To be

상기 걸림부(47)는 기존에는 도 2b에 나와 있듯이, 후크 형상(25)로 되어 있어 충격시 팔걸이부 전체가 화살표 방향으로 도어트림에서 분리되어 돌출부(24)가 탑승자에게 노출되는 것을 개선시킨 부분으로, 팔걸이부 조립시에는 팔걸이부의 도어트림과의 상하 및 측면 규제 역할을 하며, 충돌시에는 도어트림의 상하 이탈방향으로 분리되지 않도록 규제할 뿐 아니라, 팔걸이부 후크의 파단후에는 팔걸이부의 회전중심 역할을 하여 도 4의 화살표 방향과 같이 회전하여 탑승자 방향으로 팔걸이부가 분리되는 것을 방지할 수 있다.The locking portion 47 is a hook shape 25, as shown in Figure 2b, so that the entire armrest portion is separated from the door trim in the direction of the arrow when the impact improves the exposed portion 24 is exposed to the occupant In addition, when assembling the armrest part, it plays a role of up and down and side regulation with the door trim of the armrest part, and in the event of a collision, it regulates not to be separated in the up and down direction of the door trim. It serves to prevent the armrest portion to be separated in the direction of the occupant by rotating as shown in the arrow direction of FIG.

본 발명에 따른 도어트림 구조에 따르면, 차량 측면 충돌시 2차 충격에 의해 인체 복부가 부딪치는 도어트림 팔걸이부(32)가 복부에 가해지는 충격을 최소화하고 팔걸이부의 돌출부(44)가 인체에 노출되지 않는 구조를 통하여 탑승자의 안전성을 향상시킨다.According to the door trim structure according to the present invention, the impact of the door trim armrest 32, which hits the human abdomen by the secondary impact during the vehicle side collision, is minimized to the abdomen and the protrusion 44 of the armrest is exposed to the human body. Improving the safety of the occupants through a structure that does not.

도 1은 기존 차량 도어트림 및 도어트림 팔걸이부를 나타내는 사시도이다.1 is a perspective view illustrating a conventional vehicle door trim and door trim armrests.

도 2a 및 2b는 기존의 팔걸이부가 후크에 의해 도어트림에 장착된 내부구조를 나타내는 단면도이다.2A and 2B are cross-sectional views illustrating an internal structure in which an existing armrest part is mounted to a door trim by a hook.

도 3 및 4는 본 발명의 일 실시예에 따른 도어트림의 내부구조를 나타내는 단면도이다.3 and 4 are cross-sectional views showing the internal structure of the door trim according to an embodiment of the present invention.

Claims (2)

후크에 의해 조립되는 팔걸이부를 포함하는 도어트림에 있어서, In the door trim comprising an armrest portion assembled by a hook, 상기 후크에 노치부를 형성하고, 팔걸이 돌출부와 결합되는 걸림부를 형성하여 차량충돌시 생긴 응력에 의해 상기 노치부에서 파단이 발생하고, 상기 걸림부에 의해 상기 팔걸이부가 회전하여 차량충돌시 탑승자에게 팔걸이 돌출부가 노출되지 않는 것을 특징으로 하는 도어트림.The notch part is formed in the hook, and a break is generated at the notch part by the stress generated during the vehicle crash by forming a catch part coupled with the armrest protrusion, and the armrest part is rotated by the catch part and the armrest protrusion part is provided to the occupant during the vehicle crash. Door trim, characterized in that not exposed. 제 1 항에 있어서,The method of claim 1, 상기 노치부에서 파단된 팔걸이부가 분리되도록 유도하는 슬라이딩부를 더 포함하는 것을 특징으로 하는 도어트림.The door trim further comprises a sliding portion for inducing the separation of the armrest broken in the notch.
KR1020090115039A 2009-11-26 2009-11-26 Tray structure of arm rest of door trim for vehicle KR101155470B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108454529A (en) * 2017-02-17 2018-08-28 丰田纺织株式会社 Inside gadget used for vehicle
US10065547B2 (en) 2016-09-21 2018-09-04 Ford Global Technologies Llc Armrest support bridge
CN108928220A (en) * 2017-05-29 2018-12-04 现代自动车株式会社 Car door armrest component for vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4345398B2 (en) * 2003-08-01 2009-10-14 マツダ株式会社 Vehicle armrest structure
JP2008087634A (en) 2006-10-02 2008-04-17 Toyota Motor Corp Vehicular side collision occupant crash protection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10065547B2 (en) 2016-09-21 2018-09-04 Ford Global Technologies Llc Armrest support bridge
CN108454529A (en) * 2017-02-17 2018-08-28 丰田纺织株式会社 Inside gadget used for vehicle
CN108928220A (en) * 2017-05-29 2018-12-04 现代自动车株式会社 Car door armrest component for vehicle

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