KR101020937B1 - lower shroud panel structure of steering column - Google Patents

lower shroud panel structure of steering column Download PDF

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Publication number
KR101020937B1
KR101020937B1 KR1020040094025A KR20040094025A KR101020937B1 KR 101020937 B1 KR101020937 B1 KR 101020937B1 KR 1020040094025 A KR1020040094025 A KR 1020040094025A KR 20040094025 A KR20040094025 A KR 20040094025A KR 101020937 B1 KR101020937 B1 KR 101020937B1
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KR
South Korea
Prior art keywords
steering column
circular
lower wash
loudspeaker
fixing device
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KR1020040094025A
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Korean (ko)
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KR20060053611A (en
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임태연
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현대자동차주식회사
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Priority to KR1020040094025A priority Critical patent/KR101020937B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
    • B62D1/197—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible incorporating devices for preventing ingress of the steering column into the passengers space in case of accident
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/102—Shaft arrangements; Shaft supports, e.g. bearings

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Controls (AREA)

Abstract

본 발명은 스티어링컬럼의 로워쉬라우드패널 구조에 관한 것으로, 로워쉬라우드패널(21)의 중간부분에 연질의 플라스틱재질로써 주름부(22)가 형성되고, 이 주름부(22)의 양측 부분은 가고정장치(50)에 의해 연결되는 구조로 이루어진다.The present invention relates to a structure of a lower wash loudspeaker of a steering column, wherein a corrugated portion 22 is formed of a soft plastic material at a middle portion of the lower wash panel 21, and both sides of the corrugated portion 22 are formed. It is made of a structure that is connected by the temporary fixing device (50).

상기 가고정장치(50)는 주름부(22)의 양측에 형성된 원형핀(51)이 지지판(52)의 양측 원형공(52a)에 삽입되어진 것으로, 일측 원형공(52a)의 측부에 슬라이딩홀(52b)이 형성되고, 이들의 사이에 걸림턱(52c)이 형성되는 구조로 이루어진다.The temporarily fixing device 50 is a circular pin 51 formed on both sides of the corrugated portion 22 is inserted into both circular holes 52a of the support plate 52, the sliding hole on the side of one circular hole 52a 52b is formed, and the locking step 52c is formed between them.

따라서, 충돌 사고 발생시 전달되는 충격에 의하여 상기 걸림턱(52c)이 파손되어 고정상태가 해제됨으로써 주름부(22)가 접혀지면서 로워쉬라우드패널(21)이 수축되어 스티어링컬럼(10)의 접힘 작동을 방해하지 않게 되며, 이로써 스티어링컬럼(10)의 접힘 작동이 원활하게 이루어져 스티어링휠(30)과의 충돌에 의한 운전자의 상체 상해 정도를 경감시킬 수 있게 된다.Therefore, the locking jaw 52c is broken by the shock transmitted when a crash accident occurs and the fixed state is released so that the corrugated portion 22 is folded and the lower wash loudspeaker 21 is contracted to fold the steering column 10. This does not interfere, thereby smoothly folding the steering column 10 can reduce the degree of injury of the upper body of the driver due to the collision with the steering wheel (30).

Description

스티어링컬럼의 로워쉬라우드패널 구조{lower shroud panel structure of steering column}Lower shroud panel structure of steering column

도 1은 종래 자동차의 스티어링컬럼 단면도,1 is a cross-sectional view of a steering column of a conventional vehicle,

도 2는 본 발명이 적용된 로워쉬라우드패널의 장착상태 측면도와 저면도,2 is a side view and a bottom view of the mounting state of the lower wash loudspeaker panel to which the present invention is applied;

도 3은 도 2에서 저면도의 A-A선 단면도로서, 로워쉬라우드패널의 단면도,3 is a cross-sectional view taken along the line A-A of the bottom view in Figure 2, a cross-sectional view of the lower wash loudspeaker,

도 4는 본 발명의 일 구성요소인 지지판의 평면도,4 is a plan view of a supporting plate which is one component of the present invention;

도 5는 본 발명의 작동 설명도이다.5 is an operation explanatory diagram of the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 스티어링컬럼, 20 : 쉬라우드패널,10: steering column, 20: shroud panel,

21 : 로워쉬라우드패널, 22 : 주름부,21: lower wash panel, 22: wrinkles,

30 : 스티어링휠, 40 : 크러쉬패드,30: steering wheel, 40: crush pad,

50 : 가고정장치, 51 : 원형핀,50: temporarily fixing device, 51: round pin,

52 : 지지판, 52a : 원형공,52: support plate, 52a: circular hole,

52b : 슬라이딩홀, 52c : 걸림턱.
52b: sliding hole, 52c: locking jaw.

본 발명은 스티어링컬럼의 로워쉬라우드패널 구조에 관한 것으로, 특히 충격을 받았을 때 용이하게 수축될 수 있도록 된 스티어링컬럼의 로워쉬라우드패널 구조에 관한 것이다.The present invention relates to a lower wash loudspeaker structure of a steering column, and more particularly, to a lower wash loudspeaker structure of a steering column that can be easily contracted when subjected to an impact.

자동차의 스티어링컬럼은 스티어링휠을 통해 운전자의 조향 조작력을 받아들여 스티어링 기어박스에 전달하는 부분으로서, 대체로 스티어링샤프트를 중심으로 한 기둥 형상으로 이루어져 있어서 스티어링컬럼이라 불리우고 있다.The steering column of a vehicle receives a driver's steering control force through a steering wheel and transmits it to a steering gearbox. The steering column is generally called a steering column because it has a pillar shape centered on a steering shaft.

또한, 도 1에 도시된 바와 같이, 내측 기구 부분의 노출을 차단하여 미관을 향상시키기 위해 스티어링컬럼(10)의 외부는 플라스틱재질의 쉬라우드패널(20)로 둘러싸여져 있다.In addition, as shown in FIG. 1, the exterior of the steering column 10 is surrounded by a plastic shroud panel 20 to block the exposure of the inner mechanism part to improve aesthetics.

한편, 차량 주행중 정면 충돌사고가 발생하게 되면, 주행 관성에 의하여 운전자의 상체가 강력하게 스티어링휠(30)에 충돌하여 심각한 상해를 입게 되는 바, 이를 방지하기 위하여 근래의 대부분 스티어링컬럼은 접혀질 수 있는 컬랩서블형(collapsable type)으로 제작되고 있다.On the other hand, if a frontal collision accident occurs while driving the vehicle, the upper body of the driver is strongly hit by the steering wheel 30 due to the driving inertia, causing serious injuries. In order to prevent this, most of the recent steering columns can be folded. It is manufactured as a collapsable type.

그러나, 실제 정면 충돌 사고의 경우, 운전자의 상체에 의한 충격에 의해 스티어링컬럼(10)이 접혀질 때 스티어링컬럼(10)을 감싸고 있는 상기 쉬라우드패널(20) 특히 하부의 로워쉬라우드패널(21)이 파단되지 않고 하측 크러쉬패드(40)의 상단부와 간섭이 발생하면서 이에 지지되어 스티어링컬럼(10)의 접힘 작동을 방해하는 현상이 발생하고 있다.However, in the case of an actual frontal collision accident, the shroud panel 20 surrounding the steering column 10, especially the lower lower loud panel 21, surrounding the steering column 10 when the steering column 10 is folded by an impact of the upper body of the driver. ) Is not broken and is supported while being interfered with the upper end of the lower crash pad 40 to interfere with the folding operation of the steering column 10.

따라서, 고가의 컬랩서블형 스티어링컬럼이 그 설치 의도와는 다르게 제대로 성능을 발휘할 수 없게 되어 운전자의 상해치가 감소에 큰 도움이 되지 못하고 있는 실정이다.Therefore, the expensive collapsible steering column is unable to properly perform its performance differently from its installation intention, and thus the driver's injury value is not greatly reduced.

이에 본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 정면 충돌사고가 발생하여 운전자의 상체에 의해 스티어링휠에 충격이 전달될 때 로워쉬라우드패널이 스티어링컬럼의 접힘 작동을 방해하지 않게 되어 스티어링컬럼의 접힘 작동이 원활히 이루어지게 됨으로써 스티어링휠과의 충돌에 의한 운전자의 상체 상해치를 경감시킬 수 있게 되는 스티어링컬럼의 로워쉬라우드패널 구조를 제공함에 그 목적이 있다.Accordingly, the present invention has been made in order to solve the above problems, when the front collision accident occurs, when the shock is transmitted to the steering wheel by the upper body of the driver does not interfere with the folding operation of the steering column. It is an object of the present invention to provide a lower row loudspeaker structure of a steering column which can reduce the upper body injury of the driver due to a collision with the steering wheel by smoothly operating the steering column.

상기와 같은 목적을 달성하기 위한 본 발명은, 중간부분이 연질의 플라스틱재질로써 형성된 주름부로 이루어지고, 이 주름부에 인접한 양측 부분이 일정 강도 이상의 충격에서 고정상태가 해지되는 가고정장치에 의해 연결되는 구조로 이루어진다.The present invention for achieving the above object, the middle portion is made of a pleated portion formed of a soft plastic material, both sides adjacent to the pleated portion is connected by a temporary fixing device that the fixed state is terminated in the impact of a certain strength or more It is made of a structure.

상기 가고정장치는 주름부에 인접한 양측 부분에 각각 돌출형성된 원형핀과, 이 원형핀이 삽입되는 원형공이 양측단에 형성되되 일측의 원형공에는 슬라이딩홀이 연장성형되며 슬라이딩홀과 원형공의 사이에는 운전자의 상체 충돌에 의한 충격이 가해질 때 파손되는 걸림턱이 형성된 지지판으로 이루어진다.The temporarily fixing device is formed in each of the protruding circular pins on both sides adjacent to the corrugated portion, the circular hole is inserted into the circular end is formed at both ends, the sliding hole is formed in the circular hole on one side between the sliding hole and the circular hole It consists of a support plate formed with a locking jaw which is broken when an impact caused by a collision of the upper body of the driver is applied.

따라서, 주행중 정면 충돌에 의해 운전자의 상체가 스티어링휠에 충돌하면 그 충격에 의해 상기 지지판의 걸림턱이 파손되어 일측 원형공의 원형핀이 슬라이 딩홀을 따라 이동가능하게 되므로 지지판에 의한 고정상태가 해지되어 상기 주름부가 접히면서 로워쉬라우드패널이 수축되어진다.Therefore, if the upper body of the driver collides with the steering wheel by the front collision while driving, the locking jaw of the support plate is damaged by the impact, and the circular pin of one circular hole is movable along the sliding hole, so the fixed state by the support plate is released. As the wrinkle part is folded, the lower wash panel is shrunk.

따라서, 로워쉬라우드패널이 스티어링컬럼의 접힘 작동을 방해하지 않게 되므로 스티어링컬럼의 접힘 작동이 원활하게 이루어질 수 있게 된다.Therefore, since the lower wash panel does not interfere with the folding operation of the steering column, the folding operation of the steering column can be performed smoothly.

이하, 본 발명을 첨부된 예시도면을 참조하여 설명한다.Hereinafter, the present invention will be described with reference to the accompanying drawings.

도 2는 본 발명에 따른 로워쉬라우드패널의 설치상태 측면도와 그 저면도로서, 도시된 바와 같이 로워쉬라우드패널(21)의 중간 부분이 연질의 플라스틱 재질로 이루어진 주름부(22)로 형성된다.2 is a side view and a bottom view of the installed state of the lower wash panel according to the present invention. As shown in the drawing, an intermediate portion of the lower wash panel 21 is formed of a pleat 22 made of a soft plastic material. .

상기 주름부(22)는 측면이 부채꼴 형상으로 이루어져 주름부(22)가 접혀질 때 주름부(22)에 인접한 로워쉬라우드패널(21)의 몸체 부분이 자연스럽게 수축될 수 있도록 되어 있다.The wrinkle part 22 has a fan-shaped side surface, so that when the wrinkle part 22 is folded, the body portion of the lower wash loudspeaker 21 adjacent to the wrinkle part 22 can be naturally contracted.

한편, 저면도에 도시된 바와 같이, 로워쉬라우드패널(21)의 내측면에는 충격이 가해지지 않는 보통 상태에서 로워쉬라우드패널(21)이 정상적인 형상을 유지할 수 있도록 주름부(22)에 인접한 양측 부분을 상호 연결/고정하고 있는 가고정장치(50)가 설치된다.Meanwhile, as shown in the bottom view, the inner surface of the lower loudspeaker panel 21 is adjacent to the pleats 22 so that the lower loudspeaker panel 21 maintains its normal shape in a normal state in which no impact is applied. The temporary fixing device 50 which interconnects / fixes both parts is installed.

상기 가고정장치(50)는 도 2와 도 3에 도시된 바와 같이, 주름부(22)에 인접한 로워쉬라우드패널(21)의 양측 내부면에 각각 돌출성형된 원형핀(51)과, 이 원형핀(51)들을 연결하는 지지판(52)으로 이루어진다.As shown in FIGS. 2 and 3, the temporary fixing device 50 includes circular pins 51 protruding from both inner surfaces of the lower wash panel 21 adjacent to the pleats 22, and It consists of a support plate 52 for connecting the circular pins (51).

상기 지지판(52)에는 양측단에 원형핀(51)들이 각각 끼워지는 원형공(52a)들이 형성되고, 이 중 일측 원형공(52a)에는 직사각형의 슬라이딩홀(52b)이 연장 형 성되며, 원형공(52a)과 슬라이딩홀(52b)의 사이에는 걸림턱(52c)이 형성된다.The support plate 52 is formed with circular holes 52a into which circular pins 51 are fitted, respectively, at both ends thereof, and one of the circular holes 52a has a rectangular sliding hole 52b extending therefrom. A locking jaw 52c is formed between the ball 52a and the sliding hole 52b.

상기 걸림턱(52c)은 충돌사고시 운전자의 상체가 스티어링휠(30)에 충돌함으로써 스티어링컬럼(10)이 접혀질 때 로워쉬라우드패널(21)에 가해지는 충격에 의하여 파손되도록 되어 있다.The locking jaw 52c is damaged by an impact applied to the lower wash panel 21 when the steering column 10 is folded because the upper body of the driver collides with the steering wheel 30 during a crash accident.

이제, 본 발명의 작동 및 효과를 설명한다.The operation and effects of the present invention will now be described.

도 2에 도시된 바와 같은 보통의 상태에서, 상기 지지판(52)은 양측의 원형공(52a)에 원형핀(51)들이 끼워져 있음으로써 주름부(22)가 접혀질 수 없는 상태를 유지한다.In the normal state as shown in FIG. 2, the support plate 52 maintains a state in which the pleats 22 can not be folded by having the circular pins 51 fitted into the circular holes 52a on both sides thereof.

즉, 주름부(22)에 인접한 로워쉬라우드패널(21)의 양측 부분들이 서로 가까이 이동할 수 없는 상태로 고정되어 쉬라우드패널(20)의 하부 형상을 유지하고 있게 된다.That is, both parts of the lower wash panel 21 adjacent to the pleats 22 are fixed in such a state that they cannot move close to each other to maintain the lower shape of the shroud panel 20.

한편, 주행 사고시 충돌사고가 발생하여 운전자의 상체가 스티어링휠(30)에 충격을 가하게 되면, 이때 로워쉬라우드패널(21)에 전달되는 충격에 의하여 지지판(52)의 걸림턱(52c)이 파손되면서 이 걸림턱(52c)에 의해 고정되어 있던 일측 원형핀(51)이 슬라이딩홀(52b)로 이동되는 상태로 지지판(52)이 스티어링컬럼(10)의 축방향 하방으로 이동하게 된다.On the other hand, if a collision accident occurs during the driving accident and the upper body of the driver impacts the steering wheel 30, at this time, the locking jaw 52c of the support plate 52 is damaged by the shock transmitted to the lower wash panel 21 The support plate 52 is moved downward in the axial direction of the steering column 10 while one circular pin 51 fixed by the locking step 52c is moved to the sliding hole 52b.

따라서, 주름부(22)의 양측 부분을 일정 거리 이격된 상태로 유지하는 고정상태가 해제됨으로써 주름부(22)가 접혀짐과 동시에 주름부(22) 양측 부분이 상호 가까워지는 상태로 로워쉬라우드패널(21)이 오므려지게 된다.Therefore, the fixed state of maintaining both sides of the wrinkle part 22 in a state spaced apart by a certain distance is released, so that the wrinkle part 22 is folded and at the same time the lower part of the wrinkle part 22 becomes closer to each other. The panel 21 is collapsed.

따라서, 운전자의 상체에 의해 가해지는 충격으로 스티어링컬럼(10)이 접혀 지는 동작이 방해받지 않고, 원활하게 최대치까지 접혀질 수 있게 됨으로써, 컬랩서블형 스티어링컬럼이 원래의 설치 의도에 맞는 성능을 발휘할 수 있게 된다.Accordingly, the steering column 10 can be folded smoothly to the maximum value without being disturbed by the impact applied by the upper body of the driver, so that the collapsible steering column can perform the performance in accordance with the original installation intention. It becomes possible.

즉, 스티어링휠과의 충돌에 의한 운전자의 상체 상해치를 크게 경감시킬 수 있게 된다.That is, the upper body injury value of the driver due to the collision with the steering wheel can be greatly reduced.

이상 설명한 바와 같이 본 발명에 따르면, 충돌사고시 컬랩스형 스티어링컬럼이 접혀질 때 로워쉬라우드패널이 수축되면서 스티어링컬럼의 접힘 작동을 방해하지 않게 됨으로써 스티어링컬럼의 접힘 작동이 원활하게 이루어지게 되어 스티어링휠과의 충돌에 의한 운전자의 상체 상해치가 감소하게 되는 효과가 있다.As described above, according to the present invention, when the collapsing type steering column is collapsed in a crash, the lower wash loudspeaker is contracted so that the folding operation of the steering column is not hindered so that the steering column can be smoothly folded. The upper body injury value of the driver due to the collision with the effect is reduced.

Claims (2)

중간부분이 연질의 플라스틱재질로써 형성된 주름부(22)에 인접한 양측 부분에 각각 돌출형성되어 양측단으로 형성된 원형공(52a)으로 삽입되는 원형핀(51)으로 이루어진 가고정장치(50)를 갖추어, 상기 가고정장치(50)에 의해 상기 주름부(22)에 인접한 양측 부분이 연결되는 구조로 이루어진 스티어링컬럼의 로워쉬라우드패널 구조.The intermediate part is provided with a temporary fixing device 50 consisting of circular pins 51 protruding from both sides adjacent to the pleats 22 formed of soft plastic material and inserted into circular holes 52a formed at both ends. , Low-wash loudspeaker panel structure of the steering column made of a structure in which both sides adjacent to the pleats 22 are connected by the temporary fixing device (50). 제 1항에 있어서, 상기 일측의 원형공(52a)에는 슬라이딩홀(52b)이 연장성형되며, 상기 슬라이딩홀(52b)과 상기 원형공(52a)의 사이에는 걸림턱(52c)을 형성한 지지판(52)이 구비되어진 것을 특징으로 하는 스티어링컬럼의 로워쉬라우드패널 구조.The support plate of claim 1, wherein a sliding hole 52b is extended in the circular hole 52a on one side, and a supporting plate 52c is formed between the sliding hole 52b and the circular hole 52a. Lower panel structure of the wash column, characterized in that 52 is provided.
KR1020040094025A 2004-11-17 2004-11-17 lower shroud panel structure of steering column KR101020937B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960005628Y1 (en) * 1990-12-18 1996-07-10 기아자동차 주식회사 Impact absorbing apparatus for a steering column
JP2004001689A (en) 2002-02-18 2004-01-08 Delphi Technologies Inc Snap type steering column shroud
JP2004175343A (en) 2002-11-27 2004-06-24 Hyundai Motor Co Ltd Steering column structure for automobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960005628Y1 (en) * 1990-12-18 1996-07-10 기아자동차 주식회사 Impact absorbing apparatus for a steering column
JP2004001689A (en) 2002-02-18 2004-01-08 Delphi Technologies Inc Snap type steering column shroud
JP2004175343A (en) 2002-11-27 2004-06-24 Hyundai Motor Co Ltd Steering column structure for automobile

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