KR0167433B1 - Shock energy absorbing apparatus of an universal joint for steering system - Google Patents

Shock energy absorbing apparatus of an universal joint for steering system Download PDF

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Publication number
KR0167433B1
KR0167433B1 KR1019960030750A KR19960030750A KR0167433B1 KR 0167433 B1 KR0167433 B1 KR 0167433B1 KR 1019960030750 A KR1019960030750 A KR 1019960030750A KR 19960030750 A KR19960030750 A KR 19960030750A KR 0167433 B1 KR0167433 B1 KR 0167433B1
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KR
South Korea
Prior art keywords
connecting piece
universal joint
pin
shaft
shock
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KR1019960030750A
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Korean (ko)
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KR980008967A (en
Inventor
노희동
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오상수
만도기계주식회사
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Priority to KR1019960030750A priority Critical patent/KR0167433B1/en
Publication of KR980008967A publication Critical patent/KR980008967A/en
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Publication of KR0167433B1 publication Critical patent/KR0167433B1/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
    • 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
    • B60Y2410/12—Production or manufacturing of vehicle parts
    • B60Y2410/125—Bounded parts

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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, 자동차의 조향장치에 적용되어지는 유니버셜조인트의 불합리한 구성에 의해 나타났던 여러 가지 문제점 등을 해결 보완하기 위하여 안출된 것으로서, 일측연결축의 일측연결편과 타측연결축의 타측연결편을 이탈핀과 회전핀에 의해 연결체의 결합공으로 결합시켜서 된 것으로, 충격이 유니버셜조인트로 전달되면 일측연결편과 타측연결편 그리고 연결체를 결속시키고 있는 와이어의 파단에 의해 1차적인 충격흡수가 이루어지게 되고, 2차적으로 일측연결편의 이탈핀이 연결체의 이탈용 홈으로부터 이탈되는 효과에 의해 2차적인 충격흡수를 할 수 있도록 되는 바, 상기 상기 일측연결편의 이탈핀과 연결체의 분리현상에 의해 컬럼샤프트로 전달되는 충격을 단절시킬 수 있게 되며, 특히 적은 공간을 차지하면서 설치가 되기 때문에 공간활용도를 높일 수 있도록 된 자동차의 조향기용 유니버셜조인트의 충격흡수 장치를 제공한다.The present invention has been made in order to solve the various problems caused by the irrational configuration of the universal joint applied to the steering device of the vehicle, one side connecting piece of one connecting shaft and the other connecting piece of the other connecting shaft and the release pin and rotation When the shock is transmitted to the universal joint by the pin, the primary shock absorption is achieved by breaking the one connecting piece, the other connecting piece, and the wire binding the connecting piece. The release pin of one side of the connecting piece is capable of secondary shock absorption by the effect of being separated from the separation groove of the connecting body, and the separation pin and the connecting member of the one side of the connecting piece is transferred to the column shaft. The impact can be cut off and the space is saved because it is installed while occupying less space. It provides a shock absorbing device for a car of a universal joint for johyanggi to increase to FIG.

Description

자동차의 조향기용 유니버셜조인트의 충격 흡수장치Shock Absorber of Universal Joint for Steering Wheel of Automobile

본 발명은 자동차의 조향기에 적용되어지는 유니버셜조인트에 관한 것으로서, 특히 일측 연결축의 일측연결편과 타측연결축의 타측연결편을 이탈핀과 회전핀에 의해 연결체의 결합공으로 결합시켜서 된 것으로, 충격이 유니버셜조인트로 전달되면 일측연결편과 타측연결편 그리고 연결체를 결속시키고 있는 와이어의 파단에 의해 1차적인 충격흡수가 이루어지게 되고, 2차적으로는 일측연결편의 이탈핀이 연결체의 이탈용홈으로부터 이탈되는 효과에 의해 2차적인 충격흡수를 할 수 있도록 되는 바, 상기 상기 일측연결편의 이탈핀과 연결체의 분리현상에 의해 컬럼샤프트로 전달되는 충격을 단절시킬 수 있게 되며, 특히 적은공간을 차지하면서 설치가 되기 때문에 공간 활용도를 높일 수 있도록 된 자동차의 조향기용 유니버셜조인트의 충격 흡수장치에 관한 것이다.The present invention relates to a universal joint applied to a steering device of an automobile, and in particular, by connecting one connection piece of one connection shaft and the other connection piece of the other connection shaft to the coupling hole of the connector by a release pin and a rotation pin, the impact is a universal joint When transmitted to, the primary shock absorption is achieved by the breakage of the wire connecting the one connecting piece and the other connecting piece and the connecting body, and secondly, the release pin of the connecting piece is separated from the separating groove of the connecting body. Secondary shock absorption can be performed by the bar, it is possible to cut off the shock transmitted to the column shaft by the separation of the separation pin and the connecting member of the one side connecting piece, in particular to be installed while taking up less space The shock absorbing field of the universal joint for the steering wheel of the car which can increase the space utilization It is about chi.

종래 자동차의 종향장치에 적용되어지는 유니버셜조인트는 핸들과 연결된 컬럼샤프트와 상측을 연결하고 있고, 하측부로는 조향기와 연결된 구성으로 되어 있다. 상기의 유니버셜조인트는 운전자가 핸들을 회전시키면 핸들의 회전량만큼 조향기로 회전력을 전달하여 방향전환을 할 수 있도록 되어 있는 바, 종래의 유니버셜조인트의 축간 구조는 제4도에 나타내었다. 즉, 일측연결관(22)의 내부에는 타측연결축(24)이 결합되어 있고, 상기의 결합부에는 충격흡수 구조를 적용하고 있는 바, 그 충격흡수 구조는 모울딩핀(23)에 의해 이루어지고 있으며, 충격이 전달되면 상기의 모울딩핀(23)의 파단 효과에 의해 충격을 흡수하게 된다.The universal joint applied to a conventional vehicle steering apparatus has a column shaft connected to a handle and an upper side thereof, and a lower portion thereof is connected to a steering machine. The universal joint is configured to transmit the rotational force to the steering wheel as much as the rotation amount of the steering wheel when the driver rotates the steering wheel. The interaxial structure of the conventional universal joint is shown in FIG. That is, the other side connecting shaft 24 is coupled to the inside of one side of the connecting pipe 22, the coupling portion is applied to the shock absorbing structure, the shock absorbing structure is made by the molding pin 23 And, when the shock is delivered, the shock is absorbed by the breaking effect of the molding pin 23.

상기의 종래 구조는, 모울딩핀을 성형시키는 작업이 매우 까다롭게 된다. 즉, 타측연결축에는 모울딩홀을 별도 가공하여야 하고, 일측연결관에는 상기의 모울딩홀의 위치와 일치되도록 통공을 청공시켜야 하며, 상기의 통공과 모울딩홀을 일치시킨 뒤 합성수지용액을 투입하여 모울딩핀을 성형해야 함으로 그 공정이 복잡한 문제점을 가지고 있었다. 또한, 연결축과 연결관이 길게 맞대고 있는 상태가 되므로 길이가상당히 긴상태(L)로 설치되어지기 때문에 공간을 많이 차지하게 되므로 공간의 활용도가 떨어지게 되는 문제점도 가지고 있었다.In the conventional structure, the molding of the molding pin becomes very difficult. That is, the other side of the connecting shaft should be processed separately molding hole, one side of the connecting pipe should be holed to match the position of the above-mentioned hole, and the hole and the hole to match the molding hole and then put the synthetic resin solution Because of the need to mold the process had a complex problem. In addition, since the connecting shaft and the connecting pipe is in a state of being in contact with each other for a long length (L) because it is installed in a substantially long state because it takes up a lot of space, there was also a problem that the utilization of the space is reduced.

특히, 충격이 전달시에 모울딩핀이 파단되면서 절반의 충격을 흡수하지만 나머지 절반의 충격은 컬럼샤프트로 전달되어 핸들로 전달되어지기 때문에 운전자가 상해를 입게되는 등의 문제점을 가지고 있었다.In particular, the shock absorbs half of the shock as the mold pin is broken during transmission, but the other half of the shock is transmitted to the column shaft, so that the driver is injured.

상기의 문제점 등을 해결보완 하기 위한 본 발명의 목적은, 충격이 전달되면 유니버셜조인트의 축들을 연결하고 있는 연결체가 분리되면서 1, 2차적인 충격을 차단할 수 있도록 하는 동시에 설치공간의 축소화로 인해 공간활용도를 높일 수 있도록 하는 목적을 제공한다.An object of the present invention to solve the above problems, such that when the shock is transmitted, the connecting body connecting the shafts of the universal joint is separated, so that the primary and secondary shocks can be blocked and at the same time the space is reduced due to the reduced installation space. Its purpose is to increase its utilization.

상기의 목적을 달성하기 위하여 본 발명은, 입측연결축과 타측연결축으로 분리 형성되는 유니버셜조인트에 있어서, 상기 일측연결축의 끝단 연결부에는 일정각도의 일측연결편을 형성시킨 뒤 이 일측연결편에는 상, 하측으로 돌출되도록 이탈핀을 고정 형성시키고, 이탈핀을 결합하고 있는 일측연결편을 연결체 일측의 결합공으로 결합시키되, 상기 이탈편의 상,하측 돌출부가 연결체의 상,하측으로 형성되어 있는 이탈용 홈으로 위치되도록 끼워서 결합한 후, 상기 연결체의 타측 결합공으로는, 타측 연결축에 일정한 경사를 가지며 형성되어 있는 타측연결편을 결합시키되, 이들을 회전핀에 의해 회전 용이토록 결합하며, 상기 연결체의 상면 후측에는, 연결체와 양결합공에 삽입되어 있는 일측연결핀 및 타측연결편을 결속 시킬 수 있는 와이어를 결합시키면 본 발명의 목적을 달성할 수 있게 된다.In order to achieve the above object, the present invention, in the universal joint is formed by separating the input connecting shaft and the other connecting shaft, the one end connecting portion of the one connecting shaft is formed at a certain angle of one side connecting piece and then the one connecting piece upper, lower The separation pin is fixed to be formed so as to protrude, and the one side connecting piece which couples the leaving pin is coupled to the coupling hole of one side of the connecting body, and the upper and lower protrusions of the leaving piece are formed to the upper and lower side of the connecting body. After fitting so as to be positioned, the other coupling hole of the connecting member, the other connecting piece is formed to have a predetermined inclination to the other connecting shaft, and coupled to the rotation pins so that they are easily rotated by a rotation pin, the upper rear side of the connecting body , Connect the connecting pin and the one side connecting pin inserted in the two coupling hole and the other connecting wire When combined, the object of the present invention can be achieved.

제1도는 본 발명의 적용예를 나타낸 사시도.1 is a perspective view showing an application example of the present invention.

제2도는 본 발명의 구성을 나타낸 사시도.2 is a perspective view showing the configuration of the present invention.

제3도는 본 발명의 작용을 나타낸 평단면도.3 is a cross-sectional view showing the operation of the present invention.

제4도는 종래의 구성을 나타낸 도면.4 is a diagram showing a conventional configuration.

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

1 : 유니버셜조인트 2 : 일측연결축1: Universal joint 2: One side connecting shaft

3 : 일측연결편 4 : 이탈핀3: one side connecting part 4: release pin

5 : 회전핀 6 : 와이어5: rotary pin 6: wire

7 : 연결체 8 : 결합공7 connector 8 bonding hole

8' : 이탈용홈 9 : 타측연결편8 ': Breakaway groove 9: Other side connection

10 : 타측연결축 11 : 컬럼샤프트10: other side connecting shaft 11: column shaft

12 : 핸들 13 : 조향기12: handle 13: steering wheel

먼저 제1도는 본 발명의 적용예를 나타낸 사시도이고, 제2도는 본 발명의 구성을 나타낸 사시도로서, 상측부를 핸들(12)과 연결된 컬럼샤프트(11)와 연결되어 있고, 하측부를 조향기(13)와 연결시키고 있는 유니버셜조인트(1)를 일측연결축(2)과 타측연결축(10)으로 분리형성하고 있는 구성에 있어서, 상기의 일측연결축(2)의 끝단부에 일측연결편(3)을 일정한 각도로 절곡형성시키고 상기 일측연결편(3)에는 이탈핀(4)을 고정형성시킨다. 또한 타측연결축(10)의 끝단부에도 타측연결편(9)을 일정각도로 절곡형성시키고 있다. 상기의 일측연결편(3)과 타측연결편(9)을 연결체(7)의 양측에 형성되어 있는 양결합공(8)으로 결합시키되, 상기 일측연결편(3)에 고정된 이탈핀(4)의 노출부를 연결체(7)에 형성된 이탈용홈(8')으로 끼워서 결합하고, 타측결합공(8)으로 결합되는 타측연결편(9)은 회전핀(5)에 의해 회전용이토록 결합시킨, 또한 상기의 연결체(7) 상면후측부에는 와이어(6)를 결합시키되, 상기의 와이어(6)가 연결체(7)와 일측연결편(3) 그리고 타측연결편(9)을 결속시킬 수 있도록 결합한 구성으로 되어 있다.First, Figure 1 is a perspective view showing an application example of the present invention, Figure 2 is a perspective view showing the configuration of the present invention, the upper portion is connected to the column shaft 11 connected to the handle 12, the lower portion of the steering device 13 In the configuration in which the universal joint (1) connecting to the one side connecting shaft (2) and the other connecting shaft (10) is formed separately, the one connecting piece (3) is provided at the end of the one connecting shaft (2). Forming a bent at a constant angle and fixing the leaving pin (4) to the one side connecting piece (3). In addition, the other connecting piece 9 is bent at a predetermined angle to the end of the other connecting shaft 10. The one side connecting piece (3) and the other side connecting piece (9) is coupled to both coupling holes (8) formed on both sides of the connecting member (7), the release pin (4) fixed to the one side connecting piece (3) The exposed portion is inserted into the separation groove (8 ') formed in the connecting member (7), the other side connecting piece (9) coupled to the other coupling hole (8) is coupled to the rotation for the rotation by the rotary pin (5), The wire (6) is coupled to the upper surface rear side of the connector (7), the wire (6) is configured to combine the connector (7), one side connecting piece (3) and the other side connecting piece (9). It is.

이와 같이된 본 발명의 작용을 설명하기로 한다.The operation of the present invention as described above will be described.

먼저, 평상시의 상태에서는 제1도와 같이 핸들(12)의 회전력을 칼럼샤프트(11)로부터 전달받아 일측연결축(2)과 일측연결편(3) 그리고 연결체(7)와 타측연결편(9) 또한 타측연결축(10) 모두가 회전하는 상태가 된다. 따라서 용이하게 조향기(13)로 동력을 전달하여 바퀴의 각도를 조절할 수 있도록 된다. 그리고, 자동차의 정면충돌이나 추돌사고가 발생하게 되면 조향기(13)가 밀리면서 유니버셜조인트(1)로 충격이 전달되는 상태가 된다. 즉, 본 발명의 타측 연결축(10)으로 전달된 충격에너지는, 유니버셜조인트(1)의 타측연결편(9)으로 전달되면서 회전핀(5)의 결합에 의해 제3도와 같이 연결체(7)를 회전시키는 상태가 된다. 이때, 연결체(7)와 일측연결편(3) 그리고 타측연결편(9)을 결속시키고 있는 와이어(6)를 파단시키는 작용을 하여 1차적인 충격 흡수작용을 하게 된다. 상기와 같이 와이어(6)의 파단에도 불구하고 충격에너지가 강력하여 계속 전달되어지면, 연결체(7)가 완전한 회전을 하면서 타측연결편(9) 및 회전핀(5) 그리고 연결체(7)가 계속 진행되는 상태가 되고, 급기야는 일측연결편(3)의 이탈핀(4)이 연결체(7)의 이탈용홈(8')으로부터 이탈되는 상태가 되며, 이러한 이탈 현상에 의해 일측연결편(3) 및 일측연결축(2)으로 충격에너지가 전달되는 것을 차단하여 주게 된다. 따라서, 칼럼샤프트(11) 및 핸들(12)로 전달되는 충격을 막을 수 있게 된다.First, in the usual state, as shown in FIG. 1, the rotational force of the handle 12 is received from the column shaft 11, and the one connecting shaft 2, the one connecting piece 3, and the connecting member 7 and the other connecting piece 9 are also provided. All of the other connecting shaft 10 is in a state of rotating. Therefore, it is possible to easily adjust the angle of the wheel by transmitting power to the steering (13). When the frontal collision or the collision accident of the vehicle occurs, the steering unit 13 is pushed and the shock is transmitted to the universal joint 1. That is, the impact energy transmitted to the other connecting shaft 10 of the present invention, while being transmitted to the other connecting piece 9 of the universal joint 1 by the coupling of the rotary pin 5 as shown in FIG. It will be in a state to rotate. At this time, by breaking the wire (6) that binds the connecting member (7), one side connecting piece (3) and the other connecting piece (9) has a primary shock absorbing action. In spite of the breakage of the wire 6 as described above, if the impact energy is strong and continues to be transmitted, the other connecting piece 9 and the rotating pin 5 and the connecting member 7 are completely rotated while the connecting member 7 is completely rotated. In the continuous state, the air supply field is a state in which the release pin 4 of the one-side connecting piece 3 is separated from the leaving groove 8 'of the connecting member 7, and by this separation phenomenon, the one-side connecting piece 3 And it blocks the transmission of the impact energy to one side connecting shaft (2). Therefore, the shock transmitted to the column shaft 11 and the handle 12 can be prevented.

이와 같이 된 본 발명은 일측연결축과 타측연결축이 분리되면서 와이어의 파단에 의해 1차적인 충격흡수를 하게 되고, 연결체의 이탈용 홈으로부터 일측연결편의 이탈핀이 이탈되는 효과에 의해 충격에너지를 차단하게 되는 2차적인 충격흡수 작용에 의해 충격에너지로부터 운전자를 보호할 수 있게 되며, 유니버셜조인트의 연결축 길이가 매우 짧은 상태로 설치가 가능하기 때문에 공간의 활용도를 높일 수 있게 된다. 또한 간단한 구조로 되어 있는 만큼 제작공정의 단순화와 코스트의 절감효과 및 설치와 보수의 편리성을 얻을 수 있는 유용한 효과를 갖는다.In the present invention as described above, the one side connecting shaft and the other connecting shaft is separated and the primary shock absorption by the break of the wire, the impact energy by the effect that the release pin of the one connecting piece is separated from the leaving groove of the connecting body. The secondary shock absorbing action to block the driver can protect the driver from the impact energy, and the universal joint can be installed with a very short connection shaft length, thereby increasing the utilization of space. In addition, the simple structure has a useful effect of simplifying the manufacturing process, reducing the cost, and convenience of installation and repair.

Claims (1)

일측연결축(2)과 타측연결축(10)으로 분리 형성되는 유니버셜조인트(1)에 있어서, 상기 일측연결축(2)의 끝단 연결부에는 일정각도의 일측연결편(3)을 형성시킨 뒤 이 일측연결편(3)에는 상·하측으로 돌출되도록 이탈핀(4)을 고정형성시키고, 이탈핀(4)을 결합하고 있는 일측연결편(3)을 연결체(7) 일측의 결합공(8)으로 결합시키되, 상기 이탈핀(4)의 상·하측 돌출부가 연결체(7)의 상·하측으로 형성되어 있는 이탈용홈(8')으로 위치되도록 끼워서 결합한 후, 상기 연결체(7)의 타측 결합공(8)으로는, 타측연결축(10)에 일정한 경사를 가지며 형성되어 있는 타측연결편(9)을 결합시키되, 이들을 회전핀(5)에 의해 회전용이토록 결합하며, 상기 연결체(7)의 상면 후측에는, 연결체(7)와 양결합공(8)에 삽입되어 있는 일측연결편(3) 및 타측연결편(9)을 결속시킬 수 있는 와이어(6)를 결합시켜서 된 것을 특징으로 하는 자동차의 조향기용 유니버셜조인트의 충격흡수 장치.In the universal joint (1) formed by separating the one connecting shaft (2) and the other connecting shaft (10), the one end connecting portion of the one connecting shaft (2) is formed on one side of the connecting piece (3) at an angle The connecting piece 3 is fixedly formed with a release pin 4 so as to protrude upward and downward, and one side connecting piece 3 which couples the leaving pin 4 is coupled to the coupling hole 8 on one side of the connecting body 7. However, the upper and lower protrusions of the release pins 4 are inserted into the separation grooves 8 'formed at the upper and lower sides of the connection body 7, and then coupled to each other, and then the other coupling holes of the connection body 7 are connected. (8), the other connecting piece (9) having a constant inclination to the other connecting shaft (10) is formed, these are coupled for rotation by the rotary pin (5), and the connection of the connecting member (7) On the rear side of the upper surface, one connecting member 3 and the other connecting member 9 inserted into the connecting member 7 and the two coupling holes 8 can be engaged. Followed by (6) of the shock-absorbing universal joint for johyanggi of automobile and wherein the by combining.
KR1019960030750A 1996-07-27 1996-07-27 Shock energy absorbing apparatus of an universal joint for steering system KR0167433B1 (en)

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KR1019960030750A KR0167433B1 (en) 1996-07-27 1996-07-27 Shock energy absorbing apparatus of an universal joint for steering system

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Application Number Priority Date Filing Date Title
KR1019960030750A KR0167433B1 (en) 1996-07-27 1996-07-27 Shock energy absorbing apparatus of an universal joint for steering system

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KR980008967A KR980008967A (en) 1998-04-30
KR0167433B1 true KR0167433B1 (en) 1999-01-15

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