KR20030016006A - Bumper mounting apparatus of automobile - Google Patents

Bumper mounting apparatus of automobile Download PDF

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Publication number
KR20030016006A
KR20030016006A KR1020010049891A KR20010049891A KR20030016006A KR 20030016006 A KR20030016006 A KR 20030016006A KR 1020010049891 A KR1020010049891 A KR 1020010049891A KR 20010049891 A KR20010049891 A KR 20010049891A KR 20030016006 A KR20030016006 A KR 20030016006A
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KR
South Korea
Prior art keywords
bumper
spring
buffer
collision energy
buffer chamber
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Application number
KR1020010049891A
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Korean (ko)
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KR100462364B1 (en
Inventor
윤병규
Original Assignee
현대자동차주식회사
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Priority to KR10-2001-0049891A priority Critical patent/KR100462364B1/en
Publication of KR20030016006A publication Critical patent/KR20030016006A/en
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Publication of KR100462364B1 publication Critical patent/KR100462364B1/en

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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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/152—Front or rear frames
    • 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
    • B60R2019/1886—Bumper fascias and fastening means therefor
    • 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
    • B60R2019/262—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means with means to adjust or regulate the amount of energy to be absorbed

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

Abstract

PURPOSE: An installation apparatus for a bumper of a vehicle is provided to protect a pedestrian safely by minimizing projection of the bumper after absorbing impact with absorbing impact energy and restricting deformation of a side frame. CONSTITUTION: A bumper mounting device of a vehicle is composed of bumper stays(5,5') fixed in both ends of a back beam(2); first and second buffer chambers(12,13) formed in the end of a side member and penetrated to slide bumper stays; first springs(14,14') wound on the bumper stays of the first buffer chamber; a second buffer unit(15) installed in the second buffer chamber to absorb impact opposite to the first spring; and levers(19,19') supported in the second buffer chamber by a pin and contacted to the ends of the bumper stays and the second buffer unit. Impact is absorbed efficiently with offsetting shock by compressing the second spring opposite to the first spring, and safety is improved with preventing deformation.

Description

자동차의 범퍼 장착장치 {BUMPER MOUNTING APPARATUS OF AUTOMOBILE}Bumper Mounting Device for Cars {BUMPER MOUNTING APPARATUS OF AUTOMOBILE}

본 발명은 자동차의 범퍼 장착장치에 관한 것이며, 상세하게는 범퍼의 충돌 에너지 흡수 장치에 관한 것이다.The present invention relates to a bumper mounting apparatus of a motor vehicle, and more particularly, to a collision energy absorbing apparatus of a bumper.

주지하는 바와 같이 자동차용 범퍼는 백 빔의 외측에 범퍼 커버를 설치하거나 상기 백 빔과 범퍼 커버 사이에 에너지 압소버를 배치하고, 상기 백 빔의 양단에 범퍼 스테이를 고정하여 양 사이드 멤버에 볼트 등으로 고정한 것임으로 충돌 에너지가 작을 때에는 상기 백 빔 또는 에너지 압소버와 백 빔이 그 충돌 에너지를흡수하지만 충돌 에너지가 클 때에는 사이드 멤버가 변형하면서 범퍼가 실내측으로 침입하기 때문에 후드 패널, 헤드 램프 등이 손상되고 탑승자의 상해치가 커지게 되는 것이다.As is well known, bumpers for automobiles are provided with a bumper cover on the outside of the back beam or an energy absorber disposed between the back beam and the bumper cover, and fixing bumper stays at both ends of the back beam to secure bolts and the like to both side members. When the collision energy is small, the back beam or the energy absorber and the back beam absorb the collision energy, but when the collision energy is large, the side member deforms and the bumper penetrates into the interior, so that the hood panel, the head lamp, etc. It is damaged and the injury value of the occupant is increased.

본 발명의 출원인은 상기한 문제점을 시정하기 위하여 미합중국 특허 제 6,050,624 호의 범퍼 장착구조를 제안한 바 있으며, 상기 범퍼 장착구조는 도 3에 도시한 바와 같이 범퍼(30)의 백 빔(31)의 양단에 고정된 범퍼 스테이(32)와, 보디에 일체로 형성되고 단면 4각 중공으로 형성하여 상기 범퍼 스테이(32)가 삽입되는 사이드 멤버(40)를 구비하고, 상기 범퍼 스테이(32)는 그 상면 및 측면에 슬롯(33)을 형성하여 상기 사이드 멤버(40)에 고정되는 가이드 핀(41)에 가이드되면서 충돌시에 범퍼 스테이(32)가 후방으로 슬라이딩될 수 있게 하며, 상기 사이드 멤버(40)의 범퍼(30)에 충돌 에너지가 가하여 지지 않은 상태의 범퍼 스테이(32)의 선단위치의 양측에 제 2 작동실(42)(42')을 형성하여 제 1 스프링(43)(43')을 내장하고 사이드 멤버(40)의 내부에 상기 제 1 스프링(43)(43')으로 지지되는 삼각형상의 완충부재(44)(44')를 돌출되게 힌지결합하여 비충돌시에 범퍼 스테이(32)의 선단을 구속하며, 상기 사이드 멤버(40)의 상기 완충부재(44)(44')의 후방에 스톱퍼 플레이트(45)를 고정하여 상기 스톱퍼 플레이트(45)와 완충부재(44)(44') 사이에 제 1 작동실(46)을 형성하여서 전단에 지지판(48)을 설치한 제 2 스프링(47)을 내장하여서 된 것이다.Applicant of the present invention has proposed a bumper mounting structure of the United States Patent No. 6,050,624 to correct the above problems, the bumper mounting structure is shown at both ends of the back beam 31 of the bumper 30 as shown in FIG. A fixed bumper stay 32 and a side member 40 formed integrally with the body and formed into a quadrilateral hollow in the cross section, into which the bumper stay 32 is inserted, wherein the bumper stay 32 has an upper surface and Slots 33 are formed on the side surfaces to guide the guide pins 41 fixed to the side members 40 so that the bumper stays 32 can be slid backwards in the event of a collision. The second springs 42 and 42 'are formed on both sides of the front end position of the bumper stay 32 in the state where the collision energy is not applied to the bumper 30 to embed the first springs 43 and 43'. And the first springs 43 and 43 'inside the side member 40. The triangular shaped cushioning members 44 and 44 ′ supported by the protrusion are hinged to restrain the tip of the bumper stay 32 at the time of non-collision, and the buffer members 44 and 44 of the side member 40. The stopper plate 45 is fixed to the rear of the ") to form a first operating chamber 46 between the stopper plate 45 and the shock absorbing member 44, 44 '. The second spring 47 is built in.

미설명부호 34는 에너지 압소버이고, 35는 범퍼 커버이다.Reference numeral 34 is an energy absorber, and 35 is a bumper cover.

상기한 범퍼 장착구조는 비충돌시에는 범퍼 스테이(32)는 도 3과 같이 그 선단이 완충부재(44)(44')에 구속되어 있는 상태를 유지하고 있다가 범퍼(30)에 에너지 압소버(34) 및 백 빔(31)의 탄성한계 이내의 충돌 에너지가 가하여지면 에너지 압소버(34) 및 백 빔(31)이 충돌 에너지를 흡수하고, 상기 에너지 압소버(34) 등에 그 탄성한계 이상의 충돌 에너지가 가하여지면 범퍼 스테이(32)는 그 슬롯(33)이 가이드 핀(41)을 따라 후방으로 가이드되면서 범퍼 스테이(32)가 사이드 멤버(40)에 더욱더 삽입됨과 동시에 그 선단이 완충부재(44)(44')를 제 2 작동실(42)(42')측으로 수납시킬 때 제 1 스프링(43)(43')이 압축되면서 그 탄성에 의하여 1차로 충돌 에너지를 흡수하고, 계속하여 범퍼 스테이(32)의 선단이 후방으로 밀림에 따라 제 1 작동실(46)에 내장된 제 2 스프링(47)이 압축되면서 그 탄성에 의하여 2차로 충돌 에너지를 흡수하도록 한 것이다.In the bumper mounting structure, when the bumper is not collided, the bumper stay 32 maintains its front end constrained to the buffer members 44 and 44 'as shown in FIG. When the impact energy within the elastic limit of the 34 and the back beam 31 is applied, the energy absorber 34 and the back beam 31 absorb the collision energy, and the energy absorber 34 or the like exceeds the elastic limit. When the impingement energy is applied, the bumper stay 32 is guided backward along the guide pin 41 and the bumper stay 32 is further inserted into the side member 40 and the front end thereof is a buffer member ( The first springs 43 and 43 'are compressed when the 44 and 44' are placed in the second operating chamber 42 and 42 'side, absorbing the collision energy primarily by their elasticity, and continuing with the bumper. As the tip of the stay 32 is pushed backward, the second spring 47 embedded in the first operating chamber 46 is compressed. By the elasticity it is to absorb the secondary energy by secondary.

그러나 상기한 범퍼 장착구조는 범퍼(30)에 큰 충돌 에너지가 가하여지면 범퍼 스테이(32)가 사이드 멤버(40) 측으로 슬롯(33)의 길이 만큼 삽입됨으로써 범퍼(30)의 밀림량이 크기 때문에 후드 패널, 헤드 램프 등의 손상이 심하고, 완충부재(33)(33')는 범퍼(30)에 그 탄성한계 이상의 충돌 에너지가 가하여질 때 제 2 작동실(42)(42')에 수납되어 범퍼 스테이(32)가 밀림으로써 에너지 압소버(34) 및 백 빔(31)의 충돌 에너지 흡수기능을 이용하지 못하고 오히려 강체기능을 하며, 또한 큰 충돌 에너지가 제 2 스프링(47)에 가하여 질 때 사이드 프레임 등에 전달됨으로써 그의 변형이 크고 탑승자의 상해치가 증가되는 것이다.However, in the above bumper mounting structure, when a large impact energy is applied to the bumper 30, the bumper stay 32 is inserted into the side member 40 side by the length of the slot 33, so that the bumper 30 has a large amount of sliding. , The head lamp or the like is severely damaged, and the shock absorbing members 33 and 33 ′ are stored in the second operating chamber 42 and 42 ′ when the impact energy of the bumper 30 is applied to the bumper 30. As the 32 is pushed, the collision energy absorption function of the energy absorber 34 and the back beam 31 is not used, but rather a rigid body, and the side frame when a large collision energy is applied to the second spring 47. It is transmitted to the back and its deformation is large, and the injury value of the occupant is increased.

또한 제 2 스프링(47)이 충돌 에너지를 흡수한 후 그 탄성 복원력에 의하여비충돌 상태인 원위치로 복귀될 때 보행자에 충격을 가함으로써 보행자의 안전성이 취약하게 되는 것이다.In addition, when the second spring 47 absorbs the collision energy and returns to its original position, which is in a non-collision state by the elastic restoring force, the pedestrian's safety is weakened.

본 발명은 상기한 문제점을 시정하여, 충돌 에너지 흡수를 양호하게 하고, 사이드 프레임의 변형을 작게 한 자동차의 범퍼 장착장치를 제공하는 것을 목적으로 한다.SUMMARY OF THE INVENTION An object of the present invention is to provide a bumper mounting apparatus for an automobile in which the above-mentioned problems are corrected, so that collision energy absorption is improved and the deformation of the side frame is reduced.

본 발명의 다른 목적은 충돌 에너지 흡수 후 범퍼의 돌출량을 최소화하여 보행자의 안전성을 증진할 수 있는 자동차의 범퍼 장착장치를 제공하는 것이다.Another object of the present invention is to provide a bumper mounting apparatus for a vehicle capable of improving the safety of pedestrians by minimizing the amount of protrusion of bumpers after collision energy absorption.

상기한 목적을 달성하기 위하여, 본 발명은 백 빔의 양단에 고정되는 범퍼 스테이와; 사이드 멤버의 선단에 구획 형성되고 상기 범퍼 스테이가 슬라이딩할 수 있게 관통 설치되는 제 1 및 제 2 완충실과; 상기 제 1 완충실의 범퍼 스테이에 감은 제 1 스프링과; 상기 제 2 완충실에 상기 제 1 스프링과 반대방향으로 충돌 에너지를 흡수하도록 설치한 제 2 완충수단과, 상기 제 2 완충실에 범퍼 스테이의 단부와 제 2 완충수단에 접촉되게 핀으로 지지한 레버로 구성한 것이다.In order to achieve the above object, the present invention includes a bumper stay fixed to both ends of the back beam; First and second buffer chambers formed at a front end of the side member and penetrated to allow the bumper stay to slide; A first spring wound around the bumper stay of the first buffer chamber; A second buffer means installed in the second buffer chamber so as to absorb collision energy in a direction opposite to the first spring, and a lever supported by a pin to contact the end portion of the bumper stay and the second buffer means in the second buffer chamber; It is composed of.

도 1은 본 발명의 실시예의 횡단면도.1 is a cross-sectional view of an embodiment of the present invention.

도 2는 본 발명의 실시예의 요부 확대 단면도.2 is an enlarged sectional view showing main parts of an embodiment of the present invention;

도 3은 종래의 것의 횡단면도.3 is a cross-sectional view of a conventional one.

<도면의 주요부분에 대한 부호 설명><Description of Signs of Major Parts of Drawings>

2 : 백 빔5, 5' : 범퍼 스테이9 : 사이드 멤버2: back beam 5, 5 ': bumper stay 9: side member

12, 13 : 제 1 및 제 2 완충실14, 14' : 제 1 스프링12, 13: 1st and 2nd buffer room 14, 14 ': 1st spring

15 : 제 2 완충수단9, 19' : 레버15: second buffer means 9, 19 ': lever

도 1은 본 발명의 실시예의 횡단면도로써, 1은 범퍼로써, 상기 범퍼(1)는 백 빔(2)과 범퍼 커버(3) 사이에 에너지 압소버(4)를 배치한 것이다.1 is a cross-sectional view of an embodiment of the invention, where 1 is a bumper and the bumper 1 is arranged with an energy absorber 4 between the back beam 2 and the bumper cover 3.

5, 5' 는 범퍼 스테이로써, 상기 범퍼 스테이(5)(5')는 상기 백 빔(2)의 양단에 브래킷(6)으로 고정하고, 범퍼(1)에 가까운 위치에 스프링받이(7)(7')를 설치함과 동시에 그 후방에 후기하는 지지판(11)의 제 2 완충실(13)측에 지지되는 지지턱(8)(8')을 형성한 것이다.5 and 5 'are bumper stays, and the bumper stays 5 and 5' are fixed to brackets 6 at both ends of the back beam 2, and the spring bearing 7 is positioned near the bumper 1. The support jaws 8 and 8 'supported on the second buffer chamber 13 side of the support plate 11 to be provided later at the same time as the 7' is provided are formed.

9는 사이드 멤버로써, 상기 사이드 멤버(9)는 선단을 캡(10)으로 폐쇄하고 상기 캡(10)과 일정간격을 두고 지지판(11)을 설치하여 상기 지지판(11)의 전후에 구획되는 제 1 및 제 2 완충실(12)(13)을 형성하여서 상기 범퍼 스테이(5)(5')를 슬라이딩할 수 있게 관통 설치함과 동시에 상기 제 1 완충실(12)의 범퍼 스테이(5)(5') 주위에 실내측으로 압축되는 제 1 스프링(14)(14')을 감아서 일단은 스프링받이(7)(7')에 타단을 지지판(11)에 지지한 것이다.9 is a side member, the side member (9) is closed by the cap 10, the front end of the support plate 11 is divided by installing the support plate 11 at a predetermined interval with the cap 10 The first and second buffer chambers 12 and 13 are formed to penetrate the bumper stays 5 and 5 'so as to slide therethrough, and at the same time, the bumper stays 5 of the first buffer chamber 12 ( 5 ') is wound around the first spring 14, 14' which is compressed to the indoor side, and one end is supported by the support plate 11 at the other end of the spring bearings 7 and 7 '.

15는 제 2 완충수단으로써, 상기 제 2 완충수단(15)은 상기 지지판(11)에 지지봉(16)을 고정하여 제 2 스프링(17)을 감음과 동시에 작동판(18)을 슬라이딩할 수 있게 설치하여 제 2 스프링(17)의 양단은 지지판(11)과 작동판(18)에 고정한 것이다.15 is a second shock absorbing means, the second shock absorbing means 15 fixes the support bar 16 to the support plate 11 so as to wind the second spring 17 and slide the operating plate 18 simultaneously. Both ends of the second spring 17 are installed and fixed to the support plate 11 and the operation plate 18.

19, 19' 는 레버로써, 상기 레버(19)(19')는 사이드 멤버(9)의 제 2 완충실(13)에 핀(20)으로 지지하여 그 양단을 범퍼 스테이(5)(5')의 단부와 작동판(16)에 접촉되거나 근접되게 한 것이다.19 and 19 'are levers, and the levers 19 and 19' are supported by the pins 20 in the second buffer chamber 13 of the side member 9, and both ends thereof are bumper stays 5 and 5 '. The end of the c) and the operating plate 16 are in contact with or close to each other.

또한 본 발명은 상기 사이드 멤버(9)의 상기 레버(19)(19') 후방에 일정간격(d)을 두고 스톱퍼(21)(21')를 설치한 것이다.In addition, the present invention is to provide a stopper (21) (21 ') at a predetermined interval (d) behind the lever (19) 19' of the side member (9).

이상과 같은 본 발명은 범퍼(1)에 충돌 에너지가 가하여지면 범퍼(1)의 에너지 압소버(4)와 백 빔(2)에서 그 충돌 에너지가 흡수됨과 동시에 범퍼 스테이(5)(5')가 실내측으로 밀리고 동시에 제 1 완충실(12) 내의 제 1 스프링(14)(14')이 압축되면서 충돌 에너지가 다시 흡수된 다음〔 제 1 스프링(14) (14')의 스프링 상수를 범퍼(1)의 파괴강도보다 크게 할 경우에는 범퍼(1)가 파괴될 때까지 범퍼(1)의 에너지 압소버(4)와 백 빔(2)에서 충돌 에너지를 흡수한 후 제 1 스프링(14)(14')이 압축되면서 충돌 에너지를 흡수함〕이 범퍼 스테이(5)(5')의 단부가 레버(19)(19')를 도 2와 같이 일정간극(d) 만큼의 각도로 화살표 방향으로 회전시킴으로써 레버(19)(19')의 타단이 제 2 완충수단(15)의 작동판(18)을 실외측으로 밈과 동시에 제 2 스프링(17)이 상기 제 1 스프링(14)(14')과 반대방향 즉 실외측으로 압축되면서 충돌 에너지를 흡수하여서 충돌 에너지가 상쇄되기 때문에 충돌 에너지 흡수가 양호하게 되는 것이다.In the present invention as described above, when the collision energy is applied to the bumper 1, the collision energy is absorbed by the energy absorber 4 and the back beam 2 of the bumper 1, and at the same time the bumper stays 5 and 5 '. Is pushed to the interior side and at the same time the first spring 14, 14 'in the first buffer chamber 12 is compressed and collision energy is absorbed again (the spring constant of the first spring 14, 14' is changed to the bumper ( If it is greater than the breaking strength of 1), the energy absorber 4 and the back beam 2 of the bumper 1 absorb the collision energy until the bumper 1 is destroyed, and then the first spring 14 ( 14 ') absorbs the collision energy while the bumper stays 5, 5' end of the bumper stays 5, 5 'in the direction of the arrow at an angle equal to a certain distance d as shown in FIG. By rotating, the other end of the levers 19 and 19'means the operation plate 18 of the second shock absorbing means 15 to the outside, while the second spring 17 is connected to the first spring 14 and 14 '. In the opposite direction That is, the collision energy absorption is good because the collision energy is canceled by absorbing the collision energy while being compressed to the outdoor side.

상기와 같이 충돌 에너지를 3차에 걸쳐서 흡수할 때 충돌 에너지가 상쇄되면 사이드 멤버 등의 보디에 전달되는 양이 적게 되어 사이드 멤버 등의 보디의 변형이 작고 탑승자의 안전성이 증대되는 것이다. 또한 레버(19)(19')의 후방에는 레버(19)(19')의 회전을 제어하는 스톱퍼(21)(21')가 설치되어 있음으로 범퍼(1)의 밀림량은 일정간극(d) 만큼만 되기 때문에 범퍼(1)의 밀림량이 작아서 후드 패널, 헤드 램프 등의 손상이 작게 되는 것이다.When the collision energy is canceled when absorbing the collision energy in three times as described above, the amount transmitted to the body such as the side member is reduced, so that the deformation of the body such as the side member is small and the safety of the occupant is increased. In addition, stoppers 21 and 21 'are installed at the rear of the levers 19 and 19' to control the rotation of the levers 19 and 19 '. ), The amount of sliding of the bumper 1 is small, so that damage to the hood panel, the head lamp, and the like is reduced.

그리고 충돌 에너지가 흡수된 후 제 1 스프링(14)(14')의 탄성 복원력에 의하여 범퍼(1)가 원위치로 복귀할 때 범퍼 스테이(5)(5')에 형성한 지지턱(8)(8')은 지지판(11)에 지지되어 범퍼(1)의 돌출을 최소한으로 억제함으로써 보행자의 안전성을 증대할 수 있는 것이다.The support jaw 8 formed in the bumper stays 5 and 5 'when the bumper 1 returns to its original position by the elastic restoring force of the first springs 14 and 14' after the collision energy is absorbed. 8 ') is supported by the support plate 11 to minimize the protrusion of the bumper 1 to increase the safety of pedestrians.

이상과 같이 본 발명은 충돌 에너지를 3차에 걸쳐 흡수하고 특히 제 3 차 충돌 에너지를 흡수하는 제 2 스프링은 제 1 스프링의 충돌 에너지 흡수방향과 반대방향으로 압축되게 하여 충돌 에너지를 상쇄함으로써 충돌 에너지 흡수가 양호하여 수리비를 절감할 수 있고, 보디에 전달되는 충돌 에너지가 작음으로써 보디의 변형이 작고 탑승자의 안전성이 증대되는 것이다.As described above, the present invention absorbs collision energy over three orders, and in particular, the second spring absorbing the third collision energy is compressed in a direction opposite to the collision energy absorption direction of the first spring to cancel the collision energy. Absorption is good, so repair cost can be reduced, and the collision energy transmitted to the body is small, so that the deformation of the body is small and the occupant's safety is increased.

또한 범퍼가 원위치로 복귀할 때 범퍼의 돌출량을 최소화함으로써 보행자의 안전성을 증대할 수 있는 것이다.In addition, the safety of the pedestrian can be increased by minimizing the amount of protrusion of the bumper when the bumper returns to its original position.

Claims (4)

백 빔의 양단에 고정되는 범퍼 스테이와; 사이드 멤버의 선단에 구획 형성되고 상기 범퍼 스테이가 슬라이딩할 수 있게 관통 설치되는 제 1 및 제 2 완충실과; 상기 제 1 완충실의 범퍼 스테이에 감은 제 1 스프링과; 상기 제 2 완충실에 상기 제 1 스프링과 반대방향으로 충돌 에너지를 흡수하도록 설치한 제 2 완충수단과, 상기 제 2 완충실에 범퍼 스테이의 단부와 제 2 완충수단에 접촉되게 핀으로 지지한 레버로 구성한 자동차의 범퍼 장착장치.Bumper stays fixed to both ends of the back beam; First and second buffer chambers formed at a front end of the side member and penetrated to allow the bumper stay to slide; A first spring wound around the bumper stay of the first buffer chamber; A second buffer means installed in the second buffer chamber so as to absorb collision energy in a direction opposite to the first spring, and a lever supported by a pin to contact the end portion of the bumper stay and the second buffer means in the second buffer chamber; Bumper mounting device for cars. 제 1 항에 있어서, 제 2 완충수단은 지지판에 지지봉을 고정하여 제 2 스프링을 감음과 동시에 작동판을 슬라이딩할 수 있게 설치하여서 제 2 스프링의 양단을 지지판과 작동판에 고정한 자동차의 범퍼 장착장치.2. The bumper mounting apparatus of claim 1, wherein the second shock absorbing means is installed to secure the support rod to the support plate to wind the second spring and to slide the operation plate, thereby fixing both ends of the second spring to the support plate and the operation plate. . 제 1 항에 있어서, 사이드 멤버의 레버 후방에 일정간격을 두고 스톱퍼를 설치한 자동차의 범퍼 장착장치.2. The bumper mounting apparatus for a vehicle according to claim 1, wherein a stopper is provided at a predetermined interval behind the lever of the side member. 제 1 항에 있어서, 범퍼 스테이에 지지턱을 형성하여 범퍼가 원위치로 복귀될 때 지지판에 지지되도록 한 자동차의 범퍼 장착장치.2. The bumper mounting apparatus of claim 1, wherein a support jaw is formed in the bumper stay to support the support plate when the bumper returns to its original position.
KR10-2001-0049891A 2001-08-20 2001-08-20 Bumper mounting apparatus of automobile KR100462364B1 (en)

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US7651156B2 (en) 2008-05-30 2010-01-26 Hyundai Motor Company Impact-absorbing device for vehicle hood
CN108749924A (en) * 2018-08-03 2018-11-06 贾连生 Automobile power shifts damping anticollision girder steel
CN109969112A (en) * 2019-02-26 2019-07-05 浙江飞碟汽车制造有限公司 A kind of automobile buffer beam
CN112455373A (en) * 2020-12-18 2021-03-09 湖北省专用汽车研究院 Commercial car driver's cabin collision buffer
CN112519711A (en) * 2021-01-18 2021-03-19 江西应用技术职业学院 Front bumper reinforcing device for van truck
CN115450175A (en) * 2022-10-12 2022-12-09 华能国际电力江苏能源开发有限公司 Anti-collision fender and coal conveying trestle comprising same

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KR960040869A (en) * 1995-05-11 1996-12-17 김곤태 Shock Absorber of Automobile Bumper
KR970026520A (en) * 1995-11-13 1997-06-24 전성원 Bumper Shock Absorber
KR19980051812U (en) * 1996-12-31 1998-10-07 박병재 Bumper device for shock absorbing of vehicle
KR100387889B1 (en) * 2000-12-11 2003-06-18 현대자동차주식회사 Impact Absorbing Apparatus of Bumper Hood for Car

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7651156B2 (en) 2008-05-30 2010-01-26 Hyundai Motor Company Impact-absorbing device for vehicle hood
KR100946485B1 (en) * 2008-05-30 2010-03-10 현대자동차주식회사 Impact absorbing device of hood panel
CN108749924A (en) * 2018-08-03 2018-11-06 贾连生 Automobile power shifts damping anticollision girder steel
CN108749924B (en) * 2018-08-03 2023-09-01 贾连生 Shock-absorbing anti-collision steel beam for automobile force transfer
CN109969112A (en) * 2019-02-26 2019-07-05 浙江飞碟汽车制造有限公司 A kind of automobile buffer beam
CN112455373A (en) * 2020-12-18 2021-03-09 湖北省专用汽车研究院 Commercial car driver's cabin collision buffer
CN112519711A (en) * 2021-01-18 2021-03-19 江西应用技术职业学院 Front bumper reinforcing device for van truck
CN115450175A (en) * 2022-10-12 2022-12-09 华能国际电力江苏能源开发有限公司 Anti-collision fender and coal conveying trestle comprising same
CN115450175B (en) * 2022-10-12 2024-04-23 华能国际电力江苏能源开发有限公司 Anti-collision fender and coal conveying stack bridge comprising same

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