KR20030028930A - Shock-absorbing Apparatus For Vehicle - Google Patents
Shock-absorbing Apparatus For Vehicle Download PDFInfo
- Publication number
- KR20030028930A KR20030028930A KR1020010061232A KR20010061232A KR20030028930A KR 20030028930 A KR20030028930 A KR 20030028930A KR 1020010061232 A KR1020010061232 A KR 1020010061232A KR 20010061232 A KR20010061232 A KR 20010061232A KR 20030028930 A KR20030028930 A KR 20030028930A
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- South Korea
- Prior art keywords
- shock absorbing
- vehicle
- diameter portion
- wheel
- hydraulic
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/20—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/28—Metallic springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/38—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles
- B60R19/40—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles in the direction of an obstacle before a collision, or extending during driving of the vehicle, i.e. to increase the energy absorption capacity of the bumper
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- 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
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
Abstract
Description
본 발명은 자동차의 충격흡수장치에 관한 것으로, 더욱 상세하게는 차량충돌시 완충작용을 하여 운전자를 충격으로부터 보호할 뿐만 아니라 범퍼와 같은 차체의 파손을 방지할 수 있도록 하는 자동차의 충격흡수장치에 관한 것이다.The present invention relates to a shock absorber of an automobile, and more particularly, to a shock absorber of a vehicle that not only protects a driver from shock by shock absorbing the vehicle and prevents damage to a vehicle body such as a bumper. will be.
통상적으로, 자동차의 범퍼는 차량의 주행시 자동차 또는 외부물체와의 충돌시 그 충격을 어느 정도 흡수하여 충격량을 감소시킴으로써, 차체 파손 및 탑승자의 부상을 방지하고자 차체의 전방 또는 후방에 설치된다.Typically, a bumper of a vehicle is installed at the front or rear of the vehicle body in order to prevent damage to the vehicle body and injury of the occupant by absorbing the impact to some extent when the collision with the vehicle or an external object while driving the vehicle to reduce the amount of impact.
그러나, 이러한 범퍼는 저속도에서의 충격완화효과는 우수하나, 20km/h 이상에서는 충격으로부터 차체가 보호되지 못하므로 대형사고를 피할 수 없다. 또한, 차량의 추돌시 범퍼가 파손되는 경우가 대부분이므로, 범퍼의 교체나 수리를 위해 비용 및 자원이 낭비되는 문제점이 있다.However, such a bumper is excellent in shock-absorbing effect at low speeds, but large accidents can not be avoided because the body is not protected from the impact at more than 20km / h. In addition, since the bumper is mostly broken when the vehicle collides, there is a problem in that cost and resources are wasted for the replacement or repair of the bumper.
본 발명은 상기와 같은 종래의 문제점을 해소하기 위해 안출된 것으로, 본 발명의 목적은 차량의 추돌시 범퍼의 외부로 돌출되어 완충작용을 함으로써 충격으로부터 탑승자와 차체를 보호할 뿐만 아니라 차체의 파손을 줄일 수 있도록 하는 자동차의 충격흡수장치를 제공하는 것이다.The present invention has been made to solve the conventional problems as described above, the object of the present invention is to protrude to the outside of the bumper during the collision of the vehicle to protect the occupants and the body from impact as well as to prevent damage to the body It is to provide a shock absorbing device of a vehicle that can be reduced.
상기 목적을 달성하기 위한 본 발명에 따른 자동차의 충격흡수장치는 차체, 차체의 전후방에 설치된 범퍼, 차체의 일측에 설치된 브레이크 페달, 브레이크 페달의 작동에 의해 유압을 발생시키는 마스터실린더 및 마스터실린더에서 발생된 유압을 유압라인을 통해 공급받아 제동작용을 하도록 휠에 장착된 브레이크 본체로 이루어진 자동차에 있어서, 브레이크 페달의 조작에 의해 온/오프되는 페달스위치와; 휠에 장착되어 휠의 회전속도를 측정하는 휠속도센서와; 페달스위치 및 휠속도센서와 전기적으로 접속되어 페달스위치 및 휠속도센서로부터 출력되는 신호로부터 제동상태를 판단하는 전자제어유니트와; 차체와 범퍼사이에 장착되며, 제동시 마스터실린더에서 발생된 유압의 일부를 공급받아 완충작용을 하는 충격흡수부와; 유압라인에서 분기되어 충격흡수부에 연결되며 충격흡수부에 대해 유압을 공급/배출하는 공급라인 및 배출라인과; 그리고 공급라인에 설치되어 전자제어유니트에 의해 개도가 조절되는 유량조절밸브로 이루어진다.The shock absorbing device of the vehicle according to the present invention for achieving the above object is generated in the master cylinder and the master cylinder for generating hydraulic pressure by the operation of the vehicle body, the bumper installed in front and rear of the vehicle body, the brake pedal installed on one side of the vehicle body, the brake pedal An automobile comprising a brake main body mounted on a wheel to receive a supplied hydraulic pressure through a hydraulic line to perform a braking action, the vehicle comprising: a pedal switch turned on / off by an operation of a brake pedal; A wheel speed sensor mounted on the wheel and measuring a rotation speed of the wheel; An electronic control unit electrically connected to the pedal switch and the wheel speed sensor to determine a braking state from a signal output from the pedal switch and the wheel speed sensor; A shock absorbing unit mounted between the vehicle body and the bumper and configured to receive a part of the hydraulic pressure generated from the master cylinder during braking to buffer the shock; A supply line and a discharge line branched from the hydraulic line and connected to the shock absorber and supply / discharge hydraulic pressure to the shock absorber; And it is installed in the supply line consists of a flow rate control valve which is opened by the electronic control unit.
도 1은 본 발명에 따른 자동차의 충격흡수장치와 연결된 제동시스템의 개략적인 유압회로도.1 is a schematic hydraulic circuit diagram of a braking system connected to a shock absorbing device of a vehicle according to the present invention.
도 2는 본 발명에 따른 충격흡수장치가 자동차에 장착된 상태를 보인 사시도.Figure 2 is a perspective view showing a state in which the shock absorber according to the present invention mounted on the vehicle.
도 3은 본 발명에 따른 충격흡수장치의 충격흡수부의 단면도.Figure 3 is a cross-sectional view of the shock absorbing portion of the shock absorbing device according to the present invention.
도 4는 도 3의 충격흡수부의 작동상태를 보인 단면도.4 is a cross-sectional view showing an operating state of the shock absorber of FIG.
<도면의 주요 부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
10: 브레이크 페달 12: 마스터 실린더10: brake pedal 12: master cylinder
14: 페달스위치 15: 휠속도센서14: pedal switch 15: wheel speed sensor
16: 전자제어유니트 17: 유압라인16: Electronic control unit 17: Hydraulic line
18: 공급라인 18a: 유량조절밸브18: supply line 18a: flow control valve
19: 배출라인 20: 충격흡수부19: discharge line 20: shock absorbing part
21: 유압실린더 21a: 유입구21: hydraulic cylinder 21a: inlet
21b: 배출구 22: 피스톤21b: outlet 22: piston
23: 관통공 24: 리턴스프링23: through hole 24: return spring
25: 완충스프링 26: 접촉부25: shock absorbing spring 26: contact portion
이하에서는 첨부된 도면을 참조하여 본 발명에 대한 바람직한 실시예를 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.
도 1은 본 발명에 따른 자동차의 충격흡수장치와 연결된 제동시스템의 개략적인 유압회로도이다.1 is a schematic hydraulic circuit diagram of a braking system connected to a shock absorbing device of a vehicle according to the present invention.
이에 도시된 바와 같이, 일반적인 자동차의 제동시스템은 브레이크 페달(10)과, 브레이크 페달(10)에 연결되어 페달 답력을 배가시키는 부스터(11)와, 부스터(11)에 연결되며 페달(10)의 작동에 의해 유압을 발생시키는 마스터실린더(12)와, 마스터실린더(12)에서 발생된 유압에 의해 동작되어 휠(13)의 디스크 또는 드럼과 접촉마찰되는 브레이크 본체(미도시)로 구성된다.As shown in the drawing, a general vehicle braking system includes a brake pedal 10, a booster 11 connected to the brake pedal 10 to double the pedal effort, and a booster 11 connected to the brake pedal 10. Master cylinder 12 for generating the hydraulic pressure by the operation, and the brake body (not shown) which is operated by the hydraulic pressure generated in the master cylinder 12 and frictional contact with the disk or drum of the wheel (13).
이러한 제동시스템에 차량추돌시 충격을 완화시키는 충격흡수장치(100)가 장착되는데, 이를 상세히 설명하기로 한다.The braking system is equipped with a shock absorbing device 100 to mitigate the impact when the vehicle crashes, which will be described in detail.
마스터실린더(12)와 브레이크 본체를 연결하는 유압라인(17)에는 본 발명에 따른 충격흡수장치(100)의 충격흡수부(20)에 대해 유압을 공급/배출시키기 위한 공급라인(18) 및 배출라인(19)이 분기되어 있다.The hydraulic line 17 connecting the master cylinder 12 and the brake body has a supply line 18 and a discharge line for supplying / discharging hydraulic pressure to the shock absorbing unit 20 of the shock absorbing device 100 according to the present invention. Line 19 is forked.
상기 공급라인(18)은 차량제동시 마스터실린더(12)로부터 브레이크 본체측으로 이동하는 제동유압중 일부를 바이패스시켜 충격흡수부(20)로 공급하기 위한 것으로서, 이 공급라인(18)에는 유량조절밸브(18a)가 장착된다.The supply line 18 bypasses a part of the braking hydraulic pressure moving from the master cylinder 12 to the brake body side when the vehicle is braked, and supplies it to the shock absorbing unit 20. The supply line 18 controls flow rate. The valve 18a is mounted.
또한, 차체의 일측에는 운전자가 브레이크 페달(10)을 최대한 밟았을 때 페달(10)과 접촉되어 전기적인 신호를 발생하는 페달스위치(14)가 설치되어 있고, 휠(13)에는 휠의 회전속도를 측정하는 휠속도센서(15)가 구비된다.In addition, one side of the vehicle body is provided with a pedal switch 14 which is in contact with the pedal 10 to generate an electrical signal when the driver depresses the brake pedal 10 to the maximum, the wheel 13, the rotational speed of the wheel Wheel speed sensor 15 for measuring the is provided.
이들 페달스위치(14)와 휠속도센서(15) 및 유량조절밸브(18a)는 전자제어유니트(16, ECU)에 전기적으로 접속된다. 예를 들어, 페달스위치(14) 및 휠속도센서(15)로부터 출력되는 신호가 급제동신호인 것으로 판단되면, 전자제어유니트(16)는 유량조절밸브(18a)를 최대 개방시킴으로써 충격흡수부(20)가 최대한 작동되도록 한다.These pedal switches 14, the wheel speed sensor 15 and the flow regulating valve 18a are electrically connected to the electronic control unit 16 (ECU). For example, when it is determined that the signals output from the pedal switch 14 and the wheel speed sensor 15 are rapid braking signals, the electronic control unit 16 opens the flow rate regulating valve 18a to the maximum to absorb the shock absorbing unit 20. ) To the maximum extent possible.
도 2는 본 발명에 따른 충격흡수장치가 자동차에 장착된 상태를 보인 사시도이고, 도 3은 충격흡수장치의 충격흡수부의 단면도이다.Figure 2 is a perspective view showing a state in which the shock absorber according to the invention mounted on the vehicle, Figure 3 is a cross-sectional view of the shock absorber of the shock absorber.
이들에 도시된 바와 같이, 차체의 프레임(40)과 범퍼(30)사이의 공간에 장착되는 충격흡수부(20)는 프레임(40)에 고정설치되는 유압실린더(21)와, 유압작용에의해 유압실린더(21)의 내외측으로 슬라이딩이동하는 피스톤(22)을 포함한다. 피스톤(22)은 유압실린더(21)의 내측에 밀착되어 위치하는 원통형의 대경부(22a)와 대경부(22a)와 동축을 이루며 유압실린더(21)의 외측으로 연장되는 소경부(22b)로 이루어진다.As shown in these, the shock absorbing portion 20 mounted in the space between the frame 40 and the bumper 30 of the vehicle body is a hydraulic cylinder 21 fixed to the frame 40 and by the hydraulic action It includes a piston 22 for sliding in and out of the hydraulic cylinder (21). The piston 22 is a small diameter portion 22b extending coaxially with the cylindrical large diameter portion 22a and the large diameter portion 22a positioned in close contact with the inside of the hydraulic cylinder 21 and extending outward of the hydraulic cylinder 21. Is done.
프레임(40)에 인접한 유압실린더(21)의 측벽에는 공급라인(18)이 연결되는 유입구(21a)가 형성되고, 끝단측벽에는 배출라인(19)이 연결되는 배출구(21b)가 형성되어 있다.An inlet 21a is formed on the side wall of the hydraulic cylinder 21 adjacent to the frame 40, and an outlet 21b is formed on the end side wall thereof to which the discharge line 19 is connected.
피스톤(22)의 대경부(22a)에는 다수의 관통공(23)이 축방향으로 관통형성되어 있어 유입구(21a)를 통해 유압실린더(21)내로 유입된 오일이 관통공(23)을 통과한 후 배출구(21b)를 통해 마스터실린더(12)측으로 배출되게 된다.The large diameter portion 22a of the piston 22 has a plurality of through holes 23 formed in the axial direction so that oil introduced into the hydraulic cylinder 21 through the inlet 21a passes through the through holes 23. After the discharge port 21b is discharged to the master cylinder 12 side.
대경부(22a)에서 일체로 연장형성된 소경부(22b)의 끝단에는 범퍼(30)와 동일한 재질로 이루어지며, 범퍼(30)와 동일평면상에서 그 일부를 이루는 접촉부(26)가 고정결합된다.The end of the small diameter portion 22b extending integrally from the large diameter portion 22a is made of the same material as the bumper 30, and the contact portion 26 forming a part thereof on the same plane as the bumper 30 is fixedly coupled.
피스톤(22)의 대경부(22a)와 유압실린더(21)의 끝단사이에는 피스톤(22)에 대해 유입구(21a)측으로 탄성력을 가하는 리턴스프링(24)이 설치되어 있다. 그리고, 소경부(22b)의 외주면에는 유압실린더(21)의 끝단외면과 접촉부(26)에 의해 양단이 지지되는 완충스프링(25)이 설치된다. 이 때, 리턴스프링(24)의 탄성력은 완충스프링(25)의 탄성력보다 커야 하며, 이에 의해 충격흡수부(20)의 비작동시에는 리턴스프링(24)의 탄성력에 의해 피스톤(22)의 대경부(22a)가 유입구(21a)측에 위치되게 된다.Between the large diameter part 22a of the piston 22 and the end of the hydraulic cylinder 21, the return spring 24 which exerts an elastic force with respect to the piston 22 to the inflow port 21a side is provided. And the outer peripheral surface of the small diameter part 22b is provided with the shock absorbing spring 25 which both ends are supported by the end outer surface of the hydraulic cylinder 21, and the contact part 26. At this time, the elastic force of the return spring 24 must be greater than the elastic force of the shock absorbing spring 25, and thus, when the shock absorbing portion 20 is inoperative, the elastic force of the return spring 24 is increased. The neck portion 22a is positioned on the inlet port 21a side.
이하에서는, 상기와 같이 구성된 본 발명에 따른 충격흡수장치의 작동을 도 1 내지 도 4를 참조하여 설명하기로 한다.Hereinafter, the operation of the shock absorbing device according to the present invention configured as described above will be described with reference to FIGS.
진행중인 차량의 전방에 선행차량 등이 급작스럽게 정지하게 되면, 운전자는 브레이크 페달(10)을 최대한 밟게 된다. 이러한 페달 답력은 부스터(11)에 의해 배가된 후, 마스터실린더(12)에 의해 발생된 최대유압이 유압라인(17)을 따라 휠(13)에 장착된 브레이크 본체로 이동하여 급제동작용을 하게 된다.When the preceding vehicle suddenly stops in front of the vehicle in progress, the driver presses the brake pedal 10 as much as possible. After the pedal effort is doubled by the booster 11, the maximum hydraulic pressure generated by the master cylinder 12 moves to the brake main body mounted on the wheel 13 along the hydraulic line 17 to perform a rapid braking action. .
이 때, 페달스위치(14)가 브레이크 페달(10)에 접촉되어 온상태로 되면서, 휠속도센서(15)로부터 측정된 정보를 전자제어유니트(16)가 분석한다. 분석결과에 따라, 급제동상태인 것으로 판단되면, 전자제어유니트(16)는 유압라인(17)에서 충격흡수부(20)로 분기된 공급라인(18)에 설치되어 있는 유량조절밸브(18a)를 최대로 개방시키게 된다.At this time, while the pedal switch 14 is in contact with the brake pedal 10 and turned on, the electronic control unit 16 analyzes the information measured from the wheel speed sensor 15. According to the analysis result, when it is determined that it is in a sudden braking state, the electronic control unit 16 opens the flow control valve 18a installed in the supply line 18 branched from the hydraulic line 17 to the shock absorbing unit 20. Is opened to the maximum.
이에 따라, 도 4에 도시된 바와 같이, 유압 일부가 공급라인(18)과 유입구(21a)를 통해 충격흡수부(20)의 실린더(21)내부로 유입되고, 유입된 유압에 의해 피스톤(22)은 리턴스프링(24)의 탄성력을 이기고 실린더(21)의 외측으로 이동하게 된다.Accordingly, as shown in FIG. 4, a part of the hydraulic pressure is introduced into the cylinder 21 of the shock absorbing part 20 through the supply line 18 and the inlet 21a, and the piston 22 is introduced by the hydraulic pressure. ) Overcomes the elastic force of the return spring 24 and moves to the outside of the cylinder 21.
따라서, 범퍼(30)와 동일평면을 이루던 접촉부(26)는 범퍼(30)로부터 대략 피스톤(22)의 소경부(22b)의 길이만큼 돌출되게 된다.Therefore, the contact portion 26 which is coplanar with the bumper 30 is projected from the bumper 30 by the length of the small diameter portion 22b of the piston 22.
이와 같이, 충격흡수부(20)가 작동된 상태에서, 선행차량과의 추돌사고가 발생되면, 그 충격은 1차적으로 실린더(21)와 접촉부(26)사이에 구비된 완충스프링(25)에 의해 흡수되고, 2차적으로 피스톤(22)이 실린더(21)의 내측으로밀려 이동하면서 유압에 의해 흡수된다. 즉, 피스톤(22)이 실린더(21)의 내측으로 이동하면, 유입구(21a)측과 대경부(22a)사이에 위치하던 오일은 대경부(22a)에 형성된 관통공(23)을 통해 배출구(21b)측으로 유동하게 되고, 이러한 작용을 통해 외부충격은 유압에 의해 흡수되는 것이다.As such, when a collision accident with the preceding vehicle occurs in the state where the shock absorbing unit 20 is operated, the shock is primarily applied to the shock absorbing spring 25 provided between the cylinder 21 and the contact unit 26. Is absorbed by the oil, and the piston 22 is absorbed by hydraulic pressure while being pushed inwardly of the cylinder 21. That is, when the piston 22 moves to the inside of the cylinder 21, the oil located between the inlet port 21a side and the large diameter portion 22a is discharged through the through hole 23 formed in the large diameter portion 22a. 21b), and the external shock is absorbed by the hydraulic pressure through this action.
한편, 급제동상황이 종료되어 운전자가 브레이크 페달(10)로부터 발을 떼면, 대경부(22)와 실린더(21)사이에 위치하는 리턴스프링(24)의 탄성력에 의해 최대로 신장되어 있던 피스톤(22)이 실린더(21)의 내측으로 이동하게 되고, 이에 따라 실린더(21)내의 오일은 대경부(22a)의 관통공(23)과 배출구(21b)를 통해 실린더(21)외부로 유동한다. 이와 같이 배출구(21b)를 통해 배출된 오일은 배출라인(19)을 따라 흐른 후, 브레이크 본체로부터 유동하는 오일과 합류되어 마스터실린더(12)로 복귀된다.On the other hand, when the driver brakes from the brake pedal 10 after the braking situation is finished, the piston 22 that has been fully extended by the elastic force of the return spring 24 positioned between the large-diameter portion 22 and the cylinder 21. ) Moves to the inside of the cylinder 21, so that the oil in the cylinder 21 flows out of the cylinder 21 through the through hole 23 and the outlet 21b of the large-diameter portion 22a. In this way, the oil discharged through the discharge port 21b flows along the discharge line 19, and then merges with the oil flowing from the brake body and returns to the master cylinder 12.
상기에서는 급제동의 경우를 예로 들어 본 발명의 충격흡수부(20)의 작동을 설명하였으나, 급제동이 아닌 일반제동시에도 작동이 가능하다.In the above, the operation of the shock absorbing unit 20 of the present invention has been described by taking the case of rapid braking as an example.
즉, 운전자가 브레이크 페달(10)을 밟는 정도에 따라 감속된 휠(13)의 속도를 휠속도센서(15)가 감지하여 전자제어유니트(16)로 보내면, 전자제어유니트(16)는 그 신호에 대응하여 유량조절밸브(18a)를 적당히 개방함으로써 피스톤(22) 및 접촉부(26)를 소정길이 돌출시키게 된다. 이에 의해, 운전자가 긴급상황에서 브레이크 페달(10)을 최대한 밟지 못한 상태라도, 충격흡수부(20)가 어느 정도 작동되므로 이에 따른 완충효과를 얻을 수 있게 된다.That is, if the wheel speed sensor 15 detects the speed of the decelerated wheel 13 according to the degree of the driver's stepping on the brake pedal 10 and sends it to the electronic control unit 16, the electronic control unit 16 receives the signal. In response to this, the piston 22 and the contact portion 26 are projected by a predetermined length by appropriately opening the flow regulating valve 18a. As a result, even when the driver does not step on the brake pedal 10 in an emergency situation, the shock absorbing unit 20 may be operated to some extent, thereby obtaining a shock absorbing effect.
이상에서 상세히 설명한 바와 같이, 본 발명에 따른 자동차의 충격흡수장치는 차량의 추돌사고시 충격으로부터 탑승자와 차체를 보호할 뿐만 아니라, 범퍼를 포함한 차체의 파손을 최소화함으로써, 부품교체에 따른 비용을 감소시키고 자원낭비를 줄일 수 있는 효과가 있다.As described above in detail, the shock absorbing device of the vehicle according to the present invention not only protects the occupants and the body from the impact during the collision of the vehicle, but also minimizes the damage of the body including the bumper, thereby reducing the cost of replacing parts It can reduce the waste of resources.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010061232A KR20030028930A (en) | 2001-10-04 | 2001-10-04 | Shock-absorbing Apparatus For Vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010061232A KR20030028930A (en) | 2001-10-04 | 2001-10-04 | Shock-absorbing Apparatus For Vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20030028930A true KR20030028930A (en) | 2003-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020010061232A KR20030028930A (en) | 2001-10-04 | 2001-10-04 | Shock-absorbing Apparatus For Vehicle |
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| Country | Link |
|---|---|
| KR (1) | KR20030028930A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340150A (en) * | 2014-10-27 | 2015-02-11 | 重庆市永宏陈记实业有限公司 | Multi-functional automobile bumper |
-
2001
- 2001-10-04 KR KR1020010061232A patent/KR20030028930A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340150A (en) * | 2014-10-27 | 2015-02-11 | 重庆市永宏陈记实业有限公司 | Multi-functional automobile bumper |
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