KR20060118634A - Structure for knee bolster of driving seat for automobile - Google Patents

Structure for knee bolster of driving seat for automobile Download PDF

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Publication number
KR20060118634A
KR20060118634A KR1020050040599A KR20050040599A KR20060118634A KR 20060118634 A KR20060118634 A KR 20060118634A KR 1020050040599 A KR1020050040599 A KR 1020050040599A KR 20050040599 A KR20050040599 A KR 20050040599A KR 20060118634 A KR20060118634 A KR 20060118634A
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South Korea
Prior art keywords
vehicle
driver
knee
bent
cross bar
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KR1020050040599A
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Korean (ko)
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고창성
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현대모비스 주식회사
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Priority to KR1020050040599A priority Critical patent/KR20060118634A/en
Publication of KR20060118634A publication Critical patent/KR20060118634A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/14—Dashboards as superstructure sub-units
    • B62D25/145—Dashboards as superstructure sub-units having a crossbeam incorporated therein
    • 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
    • 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
    • B60R2021/0051—Knees

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

A structure of a knee protecting apparatus of a driving seat for a vehicle is provided to progressively absorb the impact energy and protect a driver and a passenger by spreading the initial load and reducing the second load according to the formation of the upper and lower members. A structure of a knee protecting apparatus of a driving seat for a vehicle is composed of an upper member(20) whose one end is fixed with a cowl cross bar(10) of the vehicle, and formed with a bent unit(21) bent to the lower side at the extended area of the part connected to the cowl cross bar; and a lower member(30) whose one end is attached with one end of the upper member, downwardly bent, and extended to the direction to which the knee of the driver is moved when the accident occurs, and other end is connected with the upper member.

Description

자동차의 운전석 무릎보호장치 구조 {Structure for knee bolster of driving seat for automobile}{Structure for knee bolster of driving seat for automobile}

도 1은 종래의 차량의 무릎보호장치를 나타내는 사시도,1 is a perspective view showing a knee protection device of a conventional vehicle,

도 2는 종래의 차량의 무릎보호장치에 의한 대퇴부 부하를 나타내는 그래프,2 is a graph showing the femoral load by the knee protection device of the conventional vehicle,

도 3은 본 발명의 자동차의 운전석 무릎보호장치 구조의 일 실시예를 Figure 3 is an embodiment of the driver's seat protector structure of the vehicle of the present invention

나타내는 사시도,       Indicating perspective,

도 4는 본 발명의 자동차의 운전석 무릎보호장치 구조의 일 실시예를 Figure 4 is an embodiment of the structure of the driver's knee protector of the vehicle of the present invention

나타내는 단면도       Indicating section

도 5는 본 발명의 자동차의 운전석 무릎보호장치 구조에 의한 대퇴부 부하를Figure 5 shows the femoral load by the driver's knee protector structure of the vehicle of the present invention

나타내는 그래프.       Graph representing.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 카울 크로스 바 20 : 상측부재10: cowl cross bar 20: upper member

21 : 굴곡부 30 : 하측부재21: bend portion 30: lower member

본 발명은 자동차의 운전석 무릎보호장치 구조에 관한 것으로서 특히, 차량 충돌시 운전자의 무릎의 움직이는 방향을 고려하여 초기 충격 흡수를 확대시킴으로써, 초기 하중을 고루 분포시킨 후 2차 하중을 줄이도록 하여 충격 에너지가 점진적으로 흡수될 수 있어 운전자 및 승객을 보다 효과적으로 보호할 수 있는 자동차의 운전석 무릎보호장치 구조에 관한 것이다.The present invention relates to a structure of a driver's knee protector of an automobile, and in particular, by expanding initial shock absorption in consideration of a moving direction of a driver's knee in a vehicle crash, by uniformly distributing an initial load and then reducing a secondary load. The present invention relates to a structure of a driver's seat knee protector of a vehicle which can be gradually absorbed to protect the driver and the passenger more effectively.

일반적으로 차량의 운전석에는 차체의 전방 충돌시 운전자를 보호하기 위한 다양한 안전장치가 구비되어 있으며, 이러한 안전장치에는 차량의 스티어링 휠에 설치되는 운전석 에어백과, 글러브박스 측에 설치되는 조수석 에어백 등이 구비되어 있다.In general, the driver's seat is equipped with a variety of safety devices for protecting the driver in front of the vehicle body, such a safety device is provided with a driver's seat airbag installed on the steering wheel of the vehicle, the passenger seat airbag installed on the glove box side, etc. It is.

또한, 최근에는 상기와 같은 안전장치 이외에 운전자의 무릎부위가 차체의 전방으로 쏠리는 현상을 방지하기 위한 운전자 무릎보호 패널이 스티어링 칼럼의 하측에 추가로 적용되고 있다.In addition, recently, in addition to the safety device described above, a driver knee protection panel for preventing the driver's knee portion from being leaned toward the front of the vehicle body has been further applied to the lower side of the steering column.

도 1은 종래의 차량의 무릎보호장치를 나타내는 사시도로서, 도시된 바와 같이, 종래의 차량의 무릎보호장치(1)는, 스티어링 컬럼(미도시)이 설치되는 카울 크로스바(2)에 고정되어 설치된다.1 is a perspective view showing a knee protector of a conventional vehicle, as shown, the knee protector 1 of a conventional vehicle is fixed to the cowl crossbar 2, in which a steering column (not shown) is installed. do.

상기 무릎보호장치(1)는 도시하는 바와 같이, 상측브라켓(3)의 하측에 대략 "V"자형 굴곡을 이루며 특정 공간부가 내측에 형성되도록 폐곡선을 이루어 형성되는 하측브라켓(4)이 서로 접촉되어 형성되어, 차량의 충돌시 운전자의 무릎이 무릎보호장치(1)에 부딪칠 경우, 이 무릎보호장치(1)가 변형되면서 무릎의 상해를 저감시키는 것이다.As shown in the knee protection device (1), the lower bracket (4) formed in a closed curve so as to form a "V" shaped bend on the lower side of the upper bracket (3) and a specific space is formed in contact with each other, When the driver's knee hits the knee protector 1 during the collision of the vehicle, the knee protector 1 is deformed to reduce injury to the knee.

상기와 같은 종래의 차량의 무릎보호장치 구조는 도 2의 그래프에서 도시하는 바와 같이, 초기 하중을 적게 받고 2차 하중을 크게 받으면서 Femur Load가 법규치(FMVSS 208, <10,000N)를 초과하는 구조로 되어 있었다. As shown in the graph of FIG. 2, the knee protector structure of the conventional vehicle is a structure in which the Femur Load exceeds the legal standard (FMVSS 208, <10,000 N) while receiving a small initial load and a large second load. It was supposed to be.

상기 도 1과 같은 구조는 무릎의 움직이는 방향을 고려하지 않았을 뿐 아니라 부재가 2개로 이루어졌다 하더라도 단순히 두개의 부재를 연결하여, 2단의 충격흡수 기능은 있지만 초기 충격 흡수가 너무 적어 충격 에너지를 고루 분포시키지 못하여 Femur Load가 크게 나온다. The structure as shown in FIG. 1 does not consider the direction of movement of the knee, and even if the members are made up of two members simply by connecting the two members, there is a two-stage shock absorption function, but the initial shock absorption is too small, evenly impact energy It is not distributed and Femur Load is big.

따라서 이를 해결하기 위한 방법으로 무릎의 움직이는 방향에 일치하는 부재를 설치하여 초기 하중을 고루 분포시킨 후 2차 하중을 줄이는 구조가 필요하다.Therefore, in order to solve this problem, there is a need for a structure that reduces the secondary load after evenly distributing the initial load by installing a member corresponding to the moving direction of the knee.

본 발명은 상기의 결점을 해소하기 위한 것으로, 초기 하중을 고루 분포시킨 후 2차 하중을 줄이도록 하여 충격 에너지가 점진적으로 흡수될 수 있어 운전자 및 승객을 보다 효과적으로 보호할 수 있는 자동차의 운전석 무릎보호장치 구조를 제공하고자 한다.The present invention is to solve the above-mentioned shortcomings, and to distribute the initial load evenly to reduce the secondary load impact energy can be gradually absorbed to protect the driver's lap of the car can more effectively protect the driver and passengers It is intended to provide a device structure.

이러한 본 발명은, 자동차의 카울 크로스 바에 일측 단부가 고정설치되는 것으로, 상기 카울 크로스 바에 연결되는 부위의 연장부위에 하측으로 굴곡되는 굴곡부가 형성되는 상측부재와; 일측 단부가 상기 상측부재의 일측 단부와 부착되고, 그 하측으로 굴곡된 후 자동차의 충돌시 운전자의 무릎이 움직이는 방향으로 굴곡되어 연장되어 형성되며, 타측 단부가 상기 상측부재와 연결되어 설치되는 하측부재를 포함하여 구성함으로써 달성된다.The present invention, the one end is fixed to the cowl cross bar of the vehicle, the upper member is formed with a bent portion bent downward in the extension of the portion connected to the cowl cross bar; One end portion is attached to one end portion of the upper member, and is bent to the lower side and is formed to be bent to extend in the direction of the driver's knee movement in the event of a collision of the vehicle, the lower end is connected to the upper end member is installed It is achieved by including a configuration.

본 발명의 실시예를 첨부 도면을 참고하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명의 자동차의 운전석 무릎보호장치 구조의 일 실시예를 나타내는 사시도이고, 도 4는 본 발명의 자동차의 운전석 무릎보호장치 구조의 일 실시예를 나타내는 단면도로서, 본 발명은, 자동차의 카울 크로스 바(10)에 일측 단부가 고정설치되는 것으로, 상기 카울 크로스 바(10)에 연결되는 부위의 연장부위에 하측으로 굴곡되는 굴곡부(21)가 형성되는 상측부재(20)와; 일측 단부가 상기 상측부재(20)의 일측 단부와 부착되고, 그 하측으로 굴곡된 후 자동차의 충돌시 운전자의 무릎이 움직이는 방향으로 굴곡되어 연장되어 형성되며, 타측 단부가 상기 상측부재(20)와 연결되어 설치되는 하측부재(30)를 포함하여 구성되는 것을 그 기술상의 특징으로 한다.Figure 3 is a perspective view showing an embodiment of the structure of the driver's knee protector of the vehicle of the present invention, Figure 4 is a cross-sectional view showing an embodiment of the structure of the driver's knee protector of the vehicle of the present invention, the present invention, One side end is fixed to the cowl cross bar (10), the upper member 20 is formed with a bent portion 21 is bent downward in the extension of the portion connected to the cowl cross bar (10); One end portion is attached to one end portion of the upper member 20, and is bent downward, and is formed to be bent and extended in a direction in which the driver's knee moves in a collision of the vehicle, and the other end is formed with the upper member 20. It is characterized by the technical features that comprise a lower member 30 is connected and installed.

상기 하측부재(30)의 형상은 상기 카울 크로스 바(10)에 연결되는 측이 수직방향으로 연장되는 수직부(31)와, 이 수직부(31)에서 연장되어 다시 수평방향으로 만곡되어 형성되는 수평부(32)로 구성되어, 그 측면이 대략 "??" 자 형을 이루도록 형성되는 것이다.The lower member 30 has a vertical portion 31 which is connected to the cowl cross bar 10 in a vertical direction, and extends from the vertical portion 31 to be curved in a horizontal direction again. Consisting of a horizontal portion 32, the side of which is approximately " ?? " It is formed to form a shape.

그리하여, 상기 하측부재(30)의 수평부(32)가 일차적으로 초기 하중을 분산시킨 후, 수직부(31) 및 상측부재(20)가 이차적인 충격을 흡수하게 되는 것이다.Thus, after the horizontal portion 32 of the lower member 30 primarily distributes the initial load, the vertical portion 31 and the upper member 20 absorb the secondary impact.

도 5는 본 발명의 자동차의 운전석 무릎보호장치 구조에 의한 대퇴부 부하를나타내는 그래프로서, 이하, 상기 도 3 내지 도 5를 참고하여 본 발명의 작용 및 효과를 설명하면 다음과 같다.5 is a graph showing the femoral load by the structure of the driver's knee protector of the vehicle of the present invention. Hereinafter, the operation and effects of the present invention will be described with reference to FIGS. 3 to 5.

본 발명은 상기한 바와 같이, 차량의 충돌시 충돌저항에 대한 굽힘력을 달리하는 상측부재(20) 및 하측부재(30)의 2개의 부재로 이루어진 무릎보호장치를 구성함으로써, 충격에 대한 에너지가 점진적으로 흡수되고, 저속 및 고속에의 충돌에 대처할 수 있게 됨으로써, 법규 규제치 이외에 실제 필드에서 일어나는 사고에 대응하여 충격흡수 범위를 넓혀 운전자 및 승객을 보다 효과적으로 보호할 수 있도록 하는 것이다.The present invention, as described above, by configuring a knee protection device consisting of two members of the upper member 20 and the lower member 30 to vary the bending force for the impact resistance during the collision of the vehicle, the energy to impact By being gradually absorbed and being able to deal with collisions at low and high speeds, it is possible to protect the driver and passengers more effectively by expanding the shock absorption range in response to accidents occurring in the field in addition to the legal regulations.

상기 하측부재(30)는 상측부재(20)를 지지하며 초기 충돌시 충돌에너지를 효과적으로 흡수하는 기능을 담당한다. 또한 상기 상측부재(20)는 2차적인 충돌에너지를 적절히 흡수하며 대퇴부에 가해지는 부하(Femur Load) 곡선이, 도 5와 같이, 이상적인 "M"자형으로 분포하도록 하는 것이다.The lower member 30 supports the upper member 20 and is responsible for effectively absorbing collision energy during an initial collision. In addition, the upper member 20 is to absorb the secondary collision energy properly, so that the load (Femur Load) curve applied to the femoral part, as shown in Figure 5, to distribute the ideal "M" shape.

상기 실시예는 본 발명의 기술적 사상을 구체적으로 설명하기 위한 일례로 서, 본 발명의 범위는 상기의 도면이나 실시예에 한정되지 않는다.The above embodiment is an example for explaining the technical idea of the present invention in detail, and the scope of the present invention is not limited to the above drawings and embodiments.

이상과 같은 본 발명은 초기 하중을 고루 분포시킨 후 2차 하중을 줄이도록 하여 충격 에너지가 점진적으로 흡수될 수 있어 운전자 및 승객을 보다 효과적으로 보호할 수 있는 효과가 있는 것이다.The present invention as described above is to distribute the initial load evenly to reduce the secondary load can be absorbed gradually the impact energy is effective to protect the driver and passengers more effectively.

Claims (2)

자동차의 카울 크로스 바에 일측 단부가 고정설치되는 것으로, 상기 카울 크로스 바에 연결되는 부위의 연장부위에 하측으로 굴곡되는 굴곡부가 형성되는 상측부재와;An upper end member having one end fixed to the cowl cross bar of the vehicle, the upper member having a bent portion bent downward on an extension of a portion connected to the cowl cross bar; 일측 단부가 상기 상측부재의 일측 단부와 부착되고, 그 하측으로 굴곡된 후 자동차의 충돌시 운전자의 무릎이 움직이는 방향으로 굴곡되어 연장되어 형성되며, 타측 단부가 상기 상측부재와 연결되어 설치되는 하측부재를 포함하여 구성되는 것을 특징으로 하는 자동차의 운전석 무릎보호장치 구조.One end portion is attached to one end portion of the upper member, and is bent to the lower side and is formed to be bent to extend in the direction of the driver's knee movement in the event of a collision of the vehicle, the lower end is connected to the upper end member is installed Driver seat knee protector structure of a vehicle, characterized in that comprising a. 제 1항에 있어서, 상기 하측부재는, 상기 카울 크로스 바에 연결되는 측이 수직방향으로 연장되는 수직부와, 이 수직부에서 연장되어 다시 수평방향으로 만곡되어 형성되는 수평부로 구성되는 것을 특징으로 하는 자동차의 운전석 무릎보호장치 구조.The method of claim 1, wherein the lower member is characterized in that the side connected to the cowl cross bar is composed of a vertical portion extending in the vertical direction, and a horizontal portion extending from this vertical portion is formed to be curved in the horizontal direction again. Driver's knee protector structure.
KR1020050040599A 2005-05-16 2005-05-16 Structure for knee bolster of driving seat for automobile KR20060118634A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020019339A (en) * 2018-07-31 2020-02-06 スズキ株式会社 Knee bolster for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020019339A (en) * 2018-07-31 2020-02-06 スズキ株式会社 Knee bolster for vehicle

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