KR20010047874A - Lower body tmpulse absorption ASS'Y of steering column for car - Google Patents

Lower body tmpulse absorption ASS'Y of steering column for car Download PDF

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Publication number
KR20010047874A
KR20010047874A KR1019990052265A KR19990052265A KR20010047874A KR 20010047874 A KR20010047874 A KR 20010047874A KR 1019990052265 A KR1019990052265 A KR 1019990052265A KR 19990052265 A KR19990052265 A KR 19990052265A KR 20010047874 A KR20010047874 A KR 20010047874A
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KR
South Korea
Prior art keywords
steering column
tube
column
longitudinal direction
connecting piece
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Application number
KR1019990052265A
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Korean (ko)
Inventor
정영석
Original Assignee
밍 루
주식회사 만도
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Priority to KR1019990052265A priority Critical patent/KR20010047874A/en
Publication of KR20010047874A publication Critical patent/KR20010047874A/en

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Classifications

    • 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
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/05—Reducing production costs, e.g. by redesign
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/07—Facilitating assembling or mounting
    • 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

PURPOSE: A lower end shock absorbing structure comprises a single tube with a cutout guiding groove to absorb shock while reducing insertion process of an inner and an outer tubes to make it easy to manufacture and reduce manufacturing cost. CONSTITUTION: A steering column is comprises a single tube(1a) to support a steering shaft by being fixed to a car body by an upper side and a lower side engaging members(5b) and interposing a bearing or a bush into the inner circumferences of the upper and the lower ends thereof. The tube(1a) has connecting pieces(13) protrusively formed on both sides of the lower end thereof to the longitudinal direction of the column to be fixed to the lower side engaging member(5b). Cutout pieces(13) are formed in two columns longitudinally by the width of the connecting pieces(13) to absorb shock.

Description

자동차용 스티어링 칼럼의 하단부 충격흡수구조{Lower body tmpulse absorption ASS'Y of steering column for car}Lower body tmpulse absorption ASS'Y of steering column for car}

본 발명은 자동차용 스티어링 칼럼의 하단부 충격흡수구조에 대한 것으로서, 더 상세하게는 두개의 튜브를 끼워 구성하는 것이 아니라 하단부분에 절개안내홈을 두어 하나의 튜브로써 충격흡수기능을 수행할 수 있도록 하는데 특징이 있는 것이다.The present invention relates to a shock absorbing structure of the lower end of the steering column for a vehicle, and more specifically, it is possible to perform the shock absorbing function as a single tube by having an incision guide groove at the lower part rather than forming two tubes. There is a characteristic.

일반적으로 차량용 조향칼럼의 충격하중 흡수장치는 유사시 운전자가 스티어링 휠에 부딪혔을 때 충격을 완화함은 물론, 차체의 앞부분이 충돌했을 때, 스티어링 칼럼이 차실을 뚫고 나오지 않도록 하기 위한 장치이다.In general, the impact load absorbing device of the steering column for a vehicle is a device for reducing the impact when the driver hits the steering wheel in case of emergency, as well as preventing the steering column from penetrating the cabin when the front part of the vehicle collides.

그리고 이러한 장치는 구조에 따라 칼럼을 유지하고 있는 브라켓이 휘어지는 밴딩식, 칼럼이나 샤프트에 설치되어 있는 벨로우즈식, 도 1에서 보는 바와 같이 둘로 분할된 칼럼튜브(1)(2) 사이에 끼워져 있는 여러 개의 강구(3)가 충격을 흡수하는 볼부시(31)식, 샤프트 내에 실리콘을 넣어두고, 이것이 작은 구멍으로 분산할 때의 저항을 이용한 실리콘 봉입식, 칼럼의 일부가 망으로 되어 있어 그 부분이 찌그러지는 메시부재식, 또 도 2에서 보는 바와 같이 내측 칼럼튜브(1)의 외주면에 다수의 돌기(12)를 형성하여 이들 돌기가 외측 칼럼튜브(2)속에 억지끼움 되는 방식으로 조립되어 있다가 충격 발생시 마찰력이 발휘되도록 한 것 등이 알려져 있다.And such a device is a bending of the bracket holding the column according to the structure, the bellows type is installed on the column or shaft, as shown in Figure 1, sandwiched between the two divided column tube (1) (2) Ball bushings (31) which absorb the impact of two steel balls (3), silicon is inserted into the shaft, and this is a silicone encapsulation type using resistance when dispersing into small holes. The distorted mesh member type, and as shown in Figure 2 and formed a plurality of projections 12 on the outer circumferential surface of the inner column tube (1) is assembled in such a way that these projections are pressed into the outer column tube (2) It is known that frictional force is exerted when an impact occurs.

그러나 상기와 같은 대부분의 스티어링칼럼들은 반드시 내,외측 칼럼튜브(1)(2)가 구비되어야 할 뿐만 아니라 이들 사이에 별도의 부재 즉, 강구(3), 메시부재, 실리콘부재 등의 삽입물을 넣어야 하기 때문에 제조가 어렵고 생산성이 떨어지며, 제조원가 절감에 도움이 되지 못하는 단점이 있다.However, most of the steering columns as described above must be provided with inner and outer column tubes (1) and (2) as well as insert a separate member therebetween, that is, inserts such as steel balls (3), mesh members, and silicone members. Because it is difficult to manufacture and productivity is low, there is a disadvantage that does not help in reducing the manufacturing cost.

따라서 본 발명은 상기와 같은 종래의 문제점을 감안하여 이를 해결 보완하고자 안출한 것으로서, 발명의 주된 목적은 칼럼튜브를 하나의 칼럼튜브만을 사용하고, 충격흡수구조는 그하단에 절개식으로 형성하여 제조 및 생산성이 우수하고 제조원가가 크게 절감될 수 있도록 개선하는데 있다.Therefore, the present invention has been made in view of the conventional problems as described above to solve the problem, the main object of the invention is to use only one column tube column, the shock absorbing structure is formed by cutting in the bottom formed And it is to improve so that the productivity is excellent and the manufacturing cost can be greatly reduced.

이를 위한 특징적인 수단은 상측 및 하측 체결부재로써 차체에 고정한 후, 상단 내경 및 하단 내경에 베어링 또는 부시를 개입시켜 스티어링축을 지지할 수 있도록 하나의 튜브로써 스티어링 칼럼을 구성하되, 상기한 튜브는 그 하단의 양측에서 칼럼의 길이 방향으로 접속편을 돌출 형성하여 하측 체결부재에 용접하고, 상기 접속편의 폭을 따라 길이 방향으로 절결안내홈을 형성하는데 있는 것이다.Characteristic means for this is fixed to the vehicle body by the upper and lower fastening members, and then constitute a steering column as one tube to support the steering shaft through the bearing or bush in the upper and lower inner diameter, the tube is It is to form a notch guide groove in the longitudinal direction along the width of the connecting piece by welding the connecting piece in the longitudinal direction of the column protruding in the longitudinal direction of the column on both sides of the lower end.

도 1은 종래의 스티어링 칼럼을 보인 평단면도1 is a plan sectional view showing a conventional steering column

도 2는 종래의 조립구조를 보인 단면도2 is a cross-sectional view showing a conventional assembly structure

도 3은 본 발명의 구성에 따른 스티어링 칼럼의 평면도3 is a plan view of a steering column according to the configuration of the present invention;

도 4는 본 발명의 요부 구성을 보인 정면도 및 측면도4 is a front view and a side view showing the main configuration of the present invention

도 5는 본 발명의 또 다른 실시예의 구성을 보인 사시도5 is a perspective view showing the configuration of another embodiment of the present invention

도 6은 본 발명의 또 다른 실시예의 구성을 보인 사시도Figure 6 is a perspective view showing the configuration of another embodiment of the present invention

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

1 : 칼럼1: column

4 : 스티어링 축4: steering shaft

13 : 접속편13: Connection

14 : 절결안내홈14: Notch Guide Home

15 : 체결부15: fastening part

16 : 작은구멍16: small hole

이하 본 발명의 실시예에 따른 구성 및 작용을 첨부 도면에 따라 상세히 설명한다.Hereinafter, the configuration and operation according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명의 구성을 보인 평면도이고, 도 4는 본 발명의 구성을 보인 정면도 및 측면도이다.3 is a plan view showing the configuration of the present invention, Figure 4 is a front view and a side view showing the configuration of the present invention.

도 3에서 보듯이 본 발명의 특징은 스티어링 칼럼(1)을 하나의 튜브(1a)로써 구성하는데 있다.As shown in FIG. 3, the feature of the present invention is to configure the steering column 1 as one tube 1a.

즉, 상측 및 하측 체결부재로써 차체에 고정한 후, 상단 내경 및 하단 내경에 베어링 또는 부시를 개입시켜 스티어링 축(4)을 지지할 수 있도록 하나의 튜브(1a)로써 스티어링 칼럼(1)을 구성한 후, 상기한 튜브(1a)는 그 하단의 양측에서 칼럼의 길이 방향으로 접속편(13)을 돌출 형성하여 하측 체결부재(5b)에 용접하고, 이와 같이 용접된 접속편(13)은 그 길이 방향을 따라 절결될 수 있도록 같은 폭으로 절결안내홈(14)을 형성한 것이다.That is, after fixing to the vehicle body by the upper and lower fastening members, the steering column (1) is composed of one tube (1a) to support the steering shaft (4) through the bearing or bush through the upper and lower inner diameter The tube 1a protrudes to form a connecting piece 13 in the longitudinal direction of the column on both sides of the lower end thereof, and is welded to the lower fastening member 5b. The connected connecting piece 13 is thus welded in the longitudinal direction thereof. It is to form a notch guide groove 14 in the same width to be cut along the.

그리고 이때의 절결안내홈(14)은 도 4에서 보는 바와 같이 드릴링의 방법으로 작은구멍(16)들을 길이 방향으로 나열하여 형성할 수도 있고, 도 5에서 보는 바와 같이 프레스 가공의 방법으로 두께가 반쯤 찢어진 상태로 할 수도 있다.And the notch guide groove 14 at this time may be formed by arranging the small holes 16 in the longitudinal direction by the drilling method as shown in Figure 4, the thickness is about half by the method of pressing as shown in Figure 5 It may be torn.

한편, 상기한 튜브(1a)는 도 6에서 보는 바와 같이 끝단으로부터 연장한 상기의 접속편(13)을 더 연장하여 수평판(15a)과 나사구멍(15b)으로 이루어지는 체결부(15)를 일체로 형성할 수도 있다.On the other hand, the tube 1a further extends the connecting piece 13 extending from the end as shown in FIG. 6 to integrate the fastening portion 15 consisting of the horizontal plate 15a and the screw hole 15b. It can also be formed.

이와 같이 구성된 본 발명은 도 3에서 보는 바와 같이 내, 외측 튜브를 삽입하지 않고 하나의 튜브(1a)를 스티어링 칼럼(1)으로 하는 바, 그 상단에는 상측 체결부재(5a)를 고정하고,In the present invention configured as described above, as shown in FIG. 3, one tube 1a is used as the steering column 1 without inserting the inner and outer tubes, and the upper fastening member 5a is fixed to the upper end thereof.

하단에는 하측 체결부재(5b)를 고정한 후, 내부의 베어링 및 부시로써 스티어링 축(4)이 지지될 수 있도록 한다.After fixing the lower fastening member 5b at the lower end, the steering shaft 4 is supported by the bearing and the bush inside.

하측 체결부재(5b)를 고정할 때는 도 4에서 보는 바와 같이 좌, 우 접속편(13)의 끝단을 U자형 체결부재(5b)의 양측편에 용접 방법으로 고정하고, 체결부재(5b)에 천공된 나사구멍(51)을 통해 보울트로써 차체에 고정한다.When fixing the lower fastening member 5b, as shown in Fig. 4, the ends of the left and right connecting pieces 13 are fixed to both sides of the U-shaped fastening member 5b by welding, and the fastening member 5b is fastened to the fastening member 5b. It is fixed to the vehicle body with a bolt through the drilled screw hole 51.

또, 한편으로는 도 5에서 보는 바와 같이 접속편(13)을 후방으로 꺾은 다음 체결부재(5b)의 세로구멍(52)으로 끼워 그 측편에 용접으로 고정할 수도 있다.On the other hand, as shown in FIG. 5, the connecting piece 13 can be bent backwards and then fitted into the longitudinal hole 52 of the fastening member 5b to be fixed by welding to the side pieces thereof.

특히, 도 6에서와 같이 접속편(13)과 수평판(15a)을 일체로 형성한 칼럼(1)의 경우에는 직접 수평판(15a)의 나사구멍(15b)에 보울트를 끼워 차체에 고정하면 되는 것이다.In particular, in the case of the column 1 in which the connecting piece 13 and the horizontal plate 15a are integrally formed as shown in FIG. 6, when the bolt is directly inserted into the screw hole 15b of the horizontal plate 15a, the bolt is fixed to the vehicle body. Will be.

그리고 이와 같은 본 발명은 충격을 흡수할 수 있도록 하기 위해 끝단의 접속편(13)들을 체결부재(5b)에 고정한 후, 접속편(13)의 폭과 같은 폭으로 절개안내홈(14)을 형성하였기 때문에 충격 발생시 튜브(1a)가 하강하면, 접속편(13)이 상기의 절개안내홈(14)을 따라 찢어져 충격을 흡수할 수 있게 되는 것이다.In the present invention as described above, after fixing the connecting pieces 13 at the ends to the fastening member 5b in order to absorb the impact, the cutting guide grooves 14 are formed in the same width as the width of the connecting pieces 13. If the tube (1a) is lowered when the impact occurs, the connection piece 13 is torn along the cut guide groove (14) to absorb the impact.

위에서 상세히 설명한 바와 같은 본 발명은 스티어링 칼럼(1)을 구성하되, 내, 외측 튜브를 삽입하지 않고 하나의 튜브로 구성하였고, 그 하단에 충격을 흡수할 수 있는 절개안내홈(14)을 형성하였기 때문에 충격을 흡수할 수 있으면서도, 내, 외측 튜브를 삽입하는 공정이 생략될 수 있음은 물론 이들 사이에 마찰력 유지 부재를 사용치 않기 때문에 제조가 쉽고, 제조 원가가 크게 절감된다.The present invention as described in detail above constitutes a steering column 1, but does not insert the inner and outer tubes as a single tube, the lower end of the guide groove 14 that can absorb the shock is formed Therefore, while absorbing the shock, the step of inserting the inner and outer tubes can be omitted, as well as easy to manufacture and no manufacturing cost is greatly reduced because no friction force holding member is used therebetween.

Claims (3)

상측 및 하측 체결부재로써 차체에 고정한 후, 상단 내경 및 하단 내경에 베어링 또는 부시를 개입시켜 스티어링축(4)을 지지할 수 있도록 하나의 튜브(1a)로써 스티어링 칼럼(1)을 구성하되, 상기한 튜브(1a)는 그 하단의 양측에서 칼럼의 길이 방향으로 접속편(13)을 돌출 형성하여 하측 체결부재(5b)에 고정하고, 상기 접속편(13)의 폭을 따라 길이 방향으로 2열의 절결안내홈(14)을 형성하여서 된 것을 특징으로 하는 자동차용 스티어링 칼럼의 하단부 충격흡수구조.After fixing to the vehicle body by the upper and lower fastening members, the steering column (1) as a single tube (1a) to support the steering shaft (4) through the bearing or bush through the upper inner diameter and the lower inner diameter, One tube 1a protrudes the connecting piece 13 in the longitudinal direction of the column from both sides of the lower end thereof, and is fixed to the lower fastening member 5b, and is arranged in two rows in the longitudinal direction along the width of the connecting piece 13. Impact absorbing structure of the lower end of the steering column for a vehicle, characterized in that formed by the notch guide groove (14). 제 1 항에 있어서,The method of claim 1, 상기한 튜브(1a)의 절결안내홈(14)은 길이방향으로 나열된 다수의 작은구멍(16)들로 형성하여서 된 것을 특징으로 하는 자동차용 스티어링 칼럼의 하단부 충격흡수구조.The cut guide groove 14 of the tube (1a) is a shock absorbing structure of the lower end of the steering column for a vehicle, characterized in that formed by a plurality of small holes 16 arranged in the longitudinal direction. 제 1 항에 있어서,The method of claim 1, 상기한 튜브(1a)는 끝단으로부터 연장한 접속편(13)을 더 연장하여 수평판(15a)과 나사구멍(15b)으로 이루어지는 체결부(15)를 일체로 마련하여서 된 것을 특징으로 하는 자동차용 스티어링 칼럼의 하단부 충격흡수구조.The above-mentioned tube 1a further extends the connecting piece 13 extending from the end to integrally provide the fastening portion 15 composed of the horizontal plate 15a and the screw hole 15b. Impact absorption structure at the bottom of the steering column.
KR1019990052265A 1999-11-23 1999-11-23 Lower body tmpulse absorption ASS'Y of steering column for car KR20010047874A (en)

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KR1019990052265A KR20010047874A (en) 1999-11-23 1999-11-23 Lower body tmpulse absorption ASS'Y of steering column for car

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KR1019990052265A KR20010047874A (en) 1999-11-23 1999-11-23 Lower body tmpulse absorption ASS'Y of steering column for car

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0840287A (en) * 1994-07-29 1996-02-13 Suzuki Motor Corp Energy absorbing steering device
JPH08175400A (en) * 1994-12-21 1996-07-09 Toyota Motor Corp Telescopic steering device
KR970036751U (en) * 1995-12-13 1997-07-26 만도기계주식회사 Shock energy absorption structure of automobile steering column
KR19980032499U (en) * 1996-12-03 1998-09-05 오상수 Impact energy absorption structure of steering column for vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0840287A (en) * 1994-07-29 1996-02-13 Suzuki Motor Corp Energy absorbing steering device
JPH08175400A (en) * 1994-12-21 1996-07-09 Toyota Motor Corp Telescopic steering device
KR970036751U (en) * 1995-12-13 1997-07-26 만도기계주식회사 Shock energy absorption structure of automobile steering column
KR19980032499U (en) * 1996-12-03 1998-09-05 오상수 Impact energy absorption structure of steering column for vehicle

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