KR20130048379A - Energy absorber of vehicle - Google Patents

Energy absorber of vehicle Download PDF

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Publication number
KR20130048379A
KR20130048379A KR1020110113204A KR20110113204A KR20130048379A KR 20130048379 A KR20130048379 A KR 20130048379A KR 1020110113204 A KR1020110113204 A KR 1020110113204A KR 20110113204 A KR20110113204 A KR 20110113204A KR 20130048379 A KR20130048379 A KR 20130048379A
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KR
South Korea
Prior art keywords
frame
bumper cover
fastening means
vehicle
energy absorber
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KR1020110113204A
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Korean (ko)
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KR101322475B1 (en
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오인태
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이든텍 주식회사
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Priority to KR1020110113204A priority Critical patent/KR101322475B1/en
Publication of KR20130048379A publication Critical patent/KR20130048379A/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
    • B60R19/18—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
    • B60R19/023—Details
    • 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
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • 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
    • B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
    • 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
    • B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
    • 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
    • B60R2019/1893—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 comprising a multiplicity of identical adjacent shock-absorbing means

Abstract

PURPOSE: An energy absorber of a vehicle is provided to reduce an assembly process with a structure capable of being assembled and mounted on a bumper cover in a production line. CONSTITUTION: An energy absorber of a vehicle comprises a plurality of crush lobes(20). The crush lobe is installed between an impact beam and a bumper cover of the vehicle and is protruded from a frame(10). The frame and the crush lobe are integrally formed by injection molding. An upper coupling unit(30) and a lower coupling unit are formed to be individually coupled with the bumper cover at upper and lower parts of the frame.

Description

차량의 에너지 흡수장치{Energy absorber of vehicle}Energy absorber of vehicle

본 발명은 에너지 흡수장치에 관한 것으로서, 보다 상세하게는 차량의 범퍼 시스템에 장착되어 충돌시 보호자 및 차량에 가해지는 충격을 최소화하기 위한 차량의 에너지 흡수장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an energy absorber, and more particularly, to an energy absorber of a vehicle for minimizing a shock applied to a protector and a vehicle during a collision by being mounted on a bumper system of a vehicle.

차량의 범퍼 시스템은 일반적으로 외관을 이루는 범퍼 커버(fascia)와 이 범퍼 커버 내측면에 부착되어 충격을 1차적으로 흡수하는 폼(Foam) 형태 등의 에너지 흡수장치(Energy absorber)가 구비되고, 차량 충돌시 탑승자를 에너지 흡수장치만으로 효과적으로 보호하기에는 미흡하므로 스틸 재질로 된 임팩트 빔(Impact beam)이 상기 에너지 흡수장치의 내측면에 결합된다.The bumper system of a vehicle is generally provided with a bumper cover (fascia) that forms the exterior and an energy absorber such as a foam (foam) attached to the inner surface of the bumper cover to primarily absorb shocks. The impact beam made of steel is coupled to the inner surface of the energy absorber because it is insufficient to effectively protect the occupant only by the energy absorber during a collision.

상기 임팩트 빔은 범퍼 스테이로써 차량의 프레임에 볼트 체결되어 범퍼 구조를 전체적으로 지지한다.The impact beam is bolted to the frame of the vehicle as a bumper stay to fully support the bumper structure.

이러한 구조로 이루어져, 차량 충돌이나 추돌시, 에너지 흡수장치가 1차적으로 충격을 흡수하고 여분의 충격은 임팩트 빔에 전달되어 적절히 흡수됨과 동시에 범퍼 스테이를 통해 차량의 프레임으로 분산되도록 하고 있다.With this structure, in the event of a vehicle crash or collision, the energy absorber primarily absorbs the shock and the extra shock is transmitted to the impact beam to be appropriately absorbed and distributed to the frame of the vehicle through the bumper stay.

이와 같은 에너지 흡수장치는 약 시속 5마일(5mph)의 차량 간 충돌 또는 보행자 충돌시 차량 및 보행자를 보호를 요구하는데, 일반적으로 종래 에너지 흡수장치는 폼(Foam) 형태와 블로우 성형한 형태가 공지되어 있다.Such energy absorbers require protection of vehicles and pedestrians during collisions or pedestrian collisions of about 5 miles per hour. In general, energy absorbers are known in the form of foam and blow molding. have.

발포에 의한 폼 형태는 중량은 낮고 생산 단가도 낮으나 범퍼 커버와 임팩트 빔 사이의 공간에서의 보행자 보호 성능을 만족하기 힘들고, 성능 개선을 위해서는 상대적으로 많은 튜닝이 필요하다. 또 설계적인 자유도 제한을 받는다.The foam form by foaming is low in weight and low in production cost, but it is difficult to satisfy the pedestrian protection performance in the space between the bumper cover and the impact beam, and much tuning is required to improve the performance. Also, design freedom is limited.

그리고 열가소성 수지를 블로우 성형한 형태로는 대한민국 공개특허공보 10-2005-0105274(2005.11.3)"차량에 부착되는 에너지 압소버" 등에 공지된 바에 따르면, 블로우 성형 형태는 상대적으로 낮은 중량을 가지고 폼 형태에 비해 보행자 보호 성능을 어느 정도 만족한다. 그러나 성능을 위해 균일한 두께 분포를 가지도록 성형하는 것이 어려우며 후공정 추가로 인해 단가가 상승되어 현재 양산되고 있지 못하다.In addition, as the blow molded form of the thermoplastic resin is known in the Republic of Korea Patent Publication No. 10-2005-0105274 (2005.11.3) "energy absorber attached to the vehicle" and the like, the blow molded form has a relatively low weight foam It satisfies the pedestrian protection performance to some extent compared to the form. However, it is difficult to mold to have a uniform thickness distribution for performance, and due to the addition of post-processing, the unit price is increased and it is not currently in mass production.

따라서 작은 공간에서도 보행자 보호 성능 조건을 만족하고 중량 및 생산 단가가 낮은 에너지 흡수장치의 구조가 요구된다 할 것이다.Therefore, even in a small space, the structure of the energy absorber that satisfies the pedestrian protection performance requirements and low weight and production cost will be required.

그리고 이러한 에너지 흡수장치를 설치할 때 보통 차량의 임팩트 빔에 에너지 흡수장치를 볼트와 같은 체결수단을 이용해 체결하고 범퍼 커버를 씌워 완성한다. 이러한 과정은 공정의 지연을 초래한다.When the energy absorber is installed, the energy absorber is normally fastened to the impact beam of the vehicle by using a fastening means such as a bolt and covered with a bumper cover. This process causes a delay in the process.

본 발명의 실시 예들은 상술한 문제점들을 해결하고자 안출된 것으로 본 발명의 목적은 사출성형에 의해 제조되어 경량화를 이루고, 제조라인에서 범퍼 커버에 조립, 장착될 수 있는 구조를 가져 조립 공정을 단축할 수 있는 에너지 흡수장치를 제공하고자 한다.Embodiments of the present invention have been made to solve the above-described problems, the object of the present invention is to achieve a lightweight by being manufactured by injection molding, to have a structure that can be assembled, mounted on the bumper cover in the manufacturing line to shorten the assembly process To provide an energy absorber that can be.

본 발명의 일 측면에 따르면, 차량의 임팩트 빔과 범퍼 커버 사이에 설치되는 것으로 프레임으로부터 돌출 형성된 복수개의 크러시 로브가 구비된 에너지 흡수장치에 있어서, 상기 프레임와 크러시 로브는 사출성형하여 일체로 형성되고, 상기 프레임의 상부와 하부에는 각각 상기 범퍼 커버에 결합시킬 수 있는 상부 체결수단과 하부 체결수단이 구비되는 것을 특징으로 하는 에너지 흡수장치가 제공될 수 있다.According to an aspect of the present invention, in the energy absorbing device provided with a plurality of crush lobes protruding from the frame to be installed between the impact beam and the bumper cover of the vehicle, the frame and the crush lobe is integrally formed by injection molding, The upper and lower portions of the frame may be provided with an energy absorbing device, characterized in that the upper fastening means and the lower fastening means which can be coupled to the bumper cover, respectively.

이때, 상기 상부 체결수단은 상기 범퍼 커버의 상부에 돌출, 형성된 돌기와, 상기 돌기의 내측에 삽입하여 걸리는 걸림부와, 상기 걸림부에서 연장되고 단면이 'ㄷ' 형상을 이루는 탄성부와, 상기 탄성부에서 연장되어 상기 프레임의 상부에 결합되는 결합부로 이루어질 수 있다.In this case, the upper fastening means is a protrusion formed on the upper portion of the bumper cover, the engaging portion to be inserted into the protrusion of the projection, the elastic portion extending from the engaging portion and the cross-section 'c' shape, the elastic It may be formed of a coupling portion extending from the portion coupled to the upper portion of the frame.

그리고 상기 하부 체결수단은 상기 범퍼 커버의 하부에 탄성적으로 형성된 'ㄴ'자 형의 탄성안착구와, 상기 탄성안착구가 가압되면서 일단이 삽입되어 걸리는 걸림홀로 이루어질 수 있다.The lower fastening means may be formed of an 'b' shaped elastic seating hole elastically formed on the lower portion of the bumper cover, and a locking hole through which one end is inserted while the elastic seating hole is pressed.

또 상기 프레임과 크러시 로브의 재질은 폴리카보네이트(Polycarbonate, PC)와 폴리부틸렌 텔레프탈레이트(Polybutylene terephthalate, PBT)의 혼합물로 이루어질 수 있다.The frame and the crush lobe may be formed of a mixture of polycarbonate (PC) and polybutylene terephthalate (PBT).

본 발명의 실시 예들은 사출성형에 의해 일체로 제조되므로 보행자 보호성능을 만족하면서도 제조가 용이하고 단가를 낮출 수 있으며, 제조라인 과정에서 본 발명을 간단하게 조립, 장착할 수 있으므로 생산성이 뛰어난 장점이 있다.Since the embodiments of the present invention are manufactured integrally by injection molding, it is easy to manufacture and lower the unit price while satisfying the pedestrian protection performance, and the advantages of excellent productivity can be achieved by simply assembling and mounting the present invention during the manufacturing line process. have.

도 1은 본 발명의 바람직한 일 실시 예를 따른 에너지 흡수장치를 나타내는 외관 사시도.
도 2는 도 1에 도시된 본 발명이 범퍼 커버에 장착된 상태를 나타내는 사시도.
도 3은 본 발명의 상부 체결수단과 하부 체결수단을 나타내는 단면도.1 is an external perspective view showing an energy absorber according to an embodiment of the present invention.
Figure 2 is a perspective view showing a state in which the present invention shown in Figure 1 mounted on a bumper cover.
Figure 3 is a cross-sectional view showing an upper fastening means and a lower fastening means of the present invention.

이하에서는 첨부된 도면을 참조하여 본 발명의 바람직한 일 실시 예를 상세하게 설명하고자 한다. 하기 설명 및 첨부 도면에 나타난 바는 본 발명의 전반적인 이해를 위해 제시된 것이므로 본 발명의 기술적 범위가 그것들에 한정되는 것은 아니다. 그리고 본 발명의 요지를 불필요하게 흐릴 수 있는 공지 구성 및 기능에 대한 상세한 설명은 생략하기로 한다.
Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. The following description and the accompanying drawings are presented for the overall understanding of the present invention, and thus the technical scope of the present invention is not limited thereto. And a detailed description of known configurations and functions that may unnecessarily obscure the subject matter of the present invention will be omitted.

도 1은 본 발명의 바람직한 일 실시 예를 따른 에너지 흡수장치를 나타내는 외관 사시도이다.1 is an external perspective view showing an energy absorber according to an embodiment of the present invention.

본 발명은 도시된 바를 참조하면, 차량의 임팩트 빔(100)과 범퍼 커버(200) 사이에 설치되며, 프레임(10)과 크러시 로브(Crush lobe)로 구성되어 상기 범퍼 커버(200)에 조립된다.Referring to FIG. 1, the present invention is installed between the impact beam 100 and the bumper cover 200 of the vehicle, and is composed of the frame 10 and the crush lobe and assembled to the bumper cover 200. .

상기 프레임(10)은 대략 직사각형의 형상을 이루면서 횡방향으로 배치되고, 본 발명의 바디(Body)를 형성한다.The frame 10 is arranged in a transverse direction while forming a substantially rectangular shape, and forms a body of the present invention.

그리고 상기 크러스 로브(20)는 상기 프레임(10)으로부터 돌출 형성되어 단면이 대략 'ㄷ'자 형상을 이루고, 복수개가 일정 간격으로 형성되어 실제로 충격을 흡수한다.In addition, the crusade lobe 20 is formed to protrude from the frame 10 to form a cross-section of approximately 'c' shape, and a plurality of pieces are formed at regular intervals to actually absorb shocks.

이때, 상기 크러스 로브(20)의 측면에는 다수개의 홀을 갖는 형상으로 제조될 수 있다.At this time, the side of the cluster lobe 20 may be manufactured in a shape having a plurality of holes.

여기서, 상기 프레임(10)과 크러스 로브(20)는 종래 발포 또는 블로우 성형에 의해 제조되는 것과 달리 사출성형으로 제조되어 일체로 형성되는 것이 바람직하며, 재질은 열가소성 수지를 사용하되, 폴리카보네이트(Polycarbonate, PC)와 폴리부틸렌 텔레프탈레이트(Polybutylene telephtalate, PBT)의 혼합물로 이루어지는 것이 좋다.Here, the frame 10 and the crus lobe 20 is manufactured by injection molding, unlike the conventional foam or blow molding is preferably formed integrally, the material is a thermoplastic resin, polycarbonate ( Polycarbonate, PC) and a mixture of polybutylene telephtalate (PBT) is preferable.

이것은 종래 폴리프로필렌(PP) 대신 재료의 내열 및 내한 특성을 강화하기 위해 폴리카보네이트(PC)를 사용하고, 솔벤트 등의 범퍼 도장성분에 대한 내화학성을 강화하기 위해 폴리부틸렌 텔레프탈레이트(PBT)를 함께 혼합한다.It uses polycarbonate (PC) instead of conventional polypropylene (PP) to strengthen the heat and cold resistance properties of the material, and polybutylene telephthalate (PBT) to enhance chemical resistance to bumper coating components such as solvents. Mix together.

덧붙여, 본 발명의 상기 프레임(10)과 크러스 로브(20)는 설계사양 및 내충격성 시험을 통해 최적의 형상을 도출하는 것이 바람직하다.In addition, it is preferable that the frame 10 and the crusade lobe 20 of the present invention derive an optimal shape through a design specification and an impact resistance test.

한편, 상기 프레임(10)의 상부와 하부에는 상부 체결수단(30)과 하부 체결수단(40)이 각각 구비되어 본 발명이 상기 범퍼 커버(200)에 조립될 수 있게 한다.On the other hand, the upper fastening means 30 and the lower fastening means 40 are provided on the upper and lower portions of the frame 10, respectively, so that the present invention can be assembled to the bumper cover 200.

도 2는 도 1에 도시된 본 발명이 범퍼 커버에 장착된 상태를 나타내는 사시도, 도 3은 본 발명의 상부 체결수단과 하부 체결수단을 나타내는 단면도이다. 도 3의 (a)는 본 발명이 상부 체결수단에 의해 범퍼 커버에 장착된 상태를 나타내고, (b)는 하부 체결수단에 의해 범퍼 커버에 장착된 상태를 나타낸다.Figure 2 is a perspective view showing a state in which the present invention shown in Figure 1 mounted on the bumper cover, Figure 3 is a cross-sectional view showing the upper fastening means and the lower fastening means of the present invention. Figure 3 (a) shows a state in which the present invention is mounted on the bumper cover by the upper fastening means, (b) shows a state mounted on the bumper cover by the lower fastening means.

도 2와 도 3(a)를 참조하면, 상기 상부 체결수단(30)은 상기 프레임(10)의 상부로부터 연장 형성되며 상기 범퍼 커버(200)의 상부에 돌출, 형성된 돌기(32)의 내측에 삽입될 수 있는 구조를 가진다.2 and 3 (a), the upper fastening means 30 is formed extending from the upper portion of the frame 10 and protrudes on the upper portion of the bumper cover 200, the inner side of the formed projection (32) It has a structure that can be inserted.

상기 상부 체결수단(30)은 도 3(a)와 같이 돌기(32), 걸림부(34), 탄성부(36), 결합부(38)로 이루어질 수 있는데, 상기 걸림부(34)는 평판 형태로 수직으로 세워져 상기 돌기(32)의 내측으로 삽입되어 걸린다. The upper fastening means 30 may be formed of a protrusion 32, a locking portion 34, an elastic portion 36, the coupling portion 38, as shown in Figure 3 (a), the locking portion 34 is a flat plate It is erected vertically in the form and is inserted into the protrusion 32 and is caught.

그리고 상기 탄성부(36)는 상기 걸림부(34)에서 연장 형성되며 대략 'ㄷ'자 형상으로 이루어져 탄성적으로 굽혀지고 회복된다.The elastic part 36 is formed to extend from the locking part 34 and has an approximately '-' shape to be elastically bent and recovered.

또 상기 결합부(38)는 상기 탄성부(36)에서 연장 형성되며 상기 프레임(10)에 결합된다.In addition, the coupling portion 38 extends from the elastic portion 36 and is coupled to the frame 10.

도 2와 도 3(b)를 참조하면, 상기 하부 체결수단(40)은 상기 프레임(10)의 하부로부터 연장 형성되며, 걸림홀(44)이 구비되어 상기 범퍼 커버(200)의 하부에 탄성적으로 형성된 탄성안착구(42)가 삽입되어 걸리면서 고정된다.2 and 3 (b), the lower fastening means 40 is formed to extend from the bottom of the frame 10, the engaging hole 44 is provided in the lower portion of the bumper cover 200 The sexually formed elastic seating hole 42 is inserted and secured.

이때, 상기 탄성안착구(42)는 대략 단면이 'ㄴ'자 형상으로 이루어지고 외력에 의해 눌러지되, 힘을 제거하면 복원될 수 있는 구성이다.At this time, the elastic seating port 42 is made of a substantially 'b' shape and is pressed by the external force, it is a configuration that can be restored by removing the force.

그리고 상기 걸림홀(44)은 도시된 바와 같이 상기 프레임(10)의 하부에 관통된 형태로 이루어져 하측에서 상측으로 상기 탄성안착구(42)가 걸리게 된다.In addition, the locking hole 44 is formed to penetrate through the lower portion of the frame 10 as shown, the elastic seating port 42 is caught from the lower side to the upper side.

즉, 본 발명은 종래에 임팩트 빔(100)에 별도의 체결부품을 이용하여 조립하던 것과 달리 제조라인에서 별도의 체결부품 없이 끼움 방식으로 상기 범퍼 커버(200)에 조립할 수 있는데, 상부 체결수단(30)으로 결합한 후 하부 체결수단(40)으로 체결함으로써 간단하게 조립이 마무리된다.That is, the present invention can be assembled to the bumper cover 200 in a fitting manner without a separate fastening parts in the manufacturing line, unlike the conventional assembly using a separate fastening parts to the impact beam 100, the upper fastening means ( 30) and then the assembly is simply finished by fastening with the lower fastening means (40).

좀더 설명하면, 먼저, 상기 걸림부(34)가 상기 돌기(32)의 내측으로 삽입되게 하여 걸리도록 한 상태에서, 상기 프레임(10)과 크러스 로브(20)를 잡고 상측으로 약간 밀어올리면 상기 탄성부(36)가 수축되는데, 이때 상기 걸림홀(44)이 상기 탄성안착구(42)의 상부에 위치하도록 밀어 넣는다.More specifically, first, in a state where the locking portion 34 is inserted into the protrusion 32 so as to be caught, the frame 10 and the crumb lobe 20 are slightly lifted upwards and the upper portion is held. The elastic part 36 is contracted. At this time, the locking hole 44 is pushed so as to be positioned above the elastic seating hole 42.

그리고 상기 탄성안착구(42)가 상기 걸림홀(44)에 삽입되면서 걸리도록 장착하면 상기 탄성안착구(42)의 탄성력에 의해 상기 걸림홀(44)에 견고하게 장착된다.When the elastic seating hole 42 is mounted to be caught while being inserted into the locking hole 44, the elastic seating hole 42 is firmly mounted to the locking hole 44 by the elastic force of the elastic seating hole 42.

결국, 상기 상부 체결수단(30)의 탄성부(36)와 상기 하부 체결수단(40)의 탄성안착구(42)에 의해 상하로 탄성 가압되는 상태를 유지하기 때문에 본 발명은 상기 범퍼 커버(200)에 조립되어 이탈하지 않는다.
As a result, the present invention maintains the bumper cover 200 because the elastic part 36 of the upper fastening means 30 and the elastic seating holes 42 of the lower fastening means 40 are kept up and down. ) Is assembled and does not escape.

상기에서 본 발명의 바람직한 실시 예를 참조하여 설명하였지만, 해당 기술 분야에서 통상의 지식을 가진 자라면, 하기의 특허청구범위에서 본 발명의 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변경시킬 수 있음을 이해할 수 있을 것이다.It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. And changes may be made without departing from the spirit and scope of the invention.

10 : 프레임 20 : 크러시 로브
30 : 상부 체결수단 32 : 돌기
34 : 걸림부 36 : 탄성부
38 : 결합부
40 : 하부 체결수단 42 : 탄성안착구
44 : 걸림홀
100 : 임팩트 빔 200 : 범퍼 커버10 frame 20 crush robe
30: upper fastening means 32: projection
34: engaging portion 36: elastic portion
38: coupling part
40: lower fastening means 42: elastic seat
44: hanging hole
100: impact beam 200: bumper cover

Claims (4)

차량의 임팩트 빔(100)과 범퍼 커버(200) 사이에 설치되는 것으로 프레임(10)으로부터 돌출 형성된 복수개의 크러시 로브(20)가 구비된 에너지 흡수장치에 있어서,
상기 프레임(10)와 크러시 로브(20)는 사출성형하여 일체로 형성되고,
상기 프레임(10)의 상부와 하부에는 각각 상기 범퍼 커버(200)에 결합시킬 수 있는 상부 체결수단(30)과 하부 체결수단(40)이 구비되는 것을 특징으로 하는 에너지 흡수장치.In the energy absorbing device is provided between the impact beam 100 and the bumper cover 200 of the vehicle provided with a plurality of crush lobes 20 protruding from the frame 10,
The frame 10 and the crush lobe 20 are integrally formed by injection molding,
Energy absorbing device, characterized in that the upper and lower portions of the frame 10 is provided with an upper fastening means 30 and a lower fastening means 40 which can be coupled to the bumper cover 200, respectively. 제 1 항에 있어서,
상기 상부 체결수단(30)은 상기 범퍼 커버(200)의 상부에 돌출, 형성된 돌기(32)와, 상기 돌기(32)의 내측에 삽입하여 걸리는 걸림부(34)와, 상기 걸림부(34)에서 연장되고 단면이 'ㄷ' 형상을 이루는 탄성부(36)와, 상기 탄성부(36)에서 연장되어 상기 프레임(10)의 상부에 결합되는 결합부(38)로 이루어지는 것을 특징으로 하는 에너지 흡수장치.The method of claim 1,
The upper fastening means 30 protrudes and is formed on the upper portion of the bumper cover 200, a locking portion 34 inserted into the protrusion 32, and a locking portion 34. Energy absorption, characterized in that consisting of the elastic portion 36 extending in the cross-section 'c' shape and the coupling portion 38 extending from the elastic portion 36 is coupled to the upper portion of the frame 10 Device. 제 1 항에 있어서,
상기 하부 체결수단(40)은 상기 범퍼 커버(200)의 하부에 탄성적으로 형성된 'ㄴ'자 형의 탄성안착구(42)와, 상기 탄성안착구(42)가 가압되면서 일단이 삽입되어 걸리는 걸림홀(44)로 이루어지는 것을 특징으로 하는 에너지 흡수장치.The method of claim 1,
The lower fastening means 40 is a 'b' shaped elastic seating hole 42 elastically formed on the lower portion of the bumper cover 200, and the elastic seating hole 42 is pressed into one end is caught Energy absorbing device, characterized in that made of a locking hole (44). 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 프레임(10)과 크러시 로브(20)의 재질은 폴리카보네이트(Polycarbonate, PC)와 폴리부틸렌 텔레프탈레이트(Polybutylene terephthalate, PBT)의 혼합물로 이루어지는 것을 특징으로 하는 에너지 흡수장치.The method according to any one of claims 1 to 3,
The material of the frame 10 and the crush lobe 20 is an energy absorber comprising a mixture of polycarbonate (PC) and polybutylene terephthalate (PBT).
KR1020110113204A 2011-11-02 2011-11-02 Energy absorber of vehicle KR101322475B1 (en)

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Publication number Priority date Publication date Assignee Title
KR20200124805A (en) * 2019-04-24 2020-11-04 에코플라스틱 주식회사 Bumper mounting structure for vehicle

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US6994384B2 (en) * 2002-11-20 2006-02-07 General Electric Company Integrated solitary bumper beam
US7278667B2 (en) * 2005-05-23 2007-10-09 General Electric Company Bumper assembly with energy absorber

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200124805A (en) * 2019-04-24 2020-11-04 에코플라스틱 주식회사 Bumper mounting structure for vehicle

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