KR20040044304A - Impact buffing apparatus of bumper for car - Google Patents

Impact buffing apparatus of bumper for car Download PDF

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Publication number
KR20040044304A
KR20040044304A KR1020020072773A KR20020072773A KR20040044304A KR 20040044304 A KR20040044304 A KR 20040044304A KR 1020020072773 A KR1020020072773 A KR 1020020072773A KR 20020072773 A KR20020072773 A KR 20020072773A KR 20040044304 A KR20040044304 A KR 20040044304A
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KR
South Korea
Prior art keywords
shock absorbing
shock
bumper
back panel
plate
Prior art date
Application number
KR1020020072773A
Other languages
Korean (ko)
Inventor
윤정용
Original Assignee
현대자동차주식회사
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Publication date
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Priority to KR1020020072773A priority Critical patent/KR20040044304A/en
Publication of KR20040044304A publication Critical patent/KR20040044304A/en

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Classifications

    • 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
    • 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
    • B60R19/18—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
    • B60R19/22—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 cellular material, e.g. solid foam
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

PURPOSE: A shock absorber of a bumper for a vehicle is provided to absorb shock in multi-stages at low, middle and high speed by embedding a shock-absorbing device inside a back panel and extending a shock absorbing material. CONSTITUTION: A cover(11) is provided to improve the appearance of a bumper(10). A shock absorbing material(12) absorbs shock by sticking to the rear side of the cover and forming an extending portion(12a) in the upper part. A shock absorbing beam(13) is combined with the rear side of the shock absorbing material. A bumper stay(14) supports the shock absorbing beam. A back panel(15) absorbs shock by installing in the upper part of the bumper stay. A shock absorbing device(20) is embedded inside the back panel. Thereby, the passenger's safety is improved by effectively absorbing the shock.

Description

자동차용 범퍼의 충격흡수장치{Impact buffing apparatus of bumper for car}Impact buffing apparatus of bumper for car}

본 발명은 자동차용 범퍼의 충격 흡수장치에 관한 것으로서, 더욱 상세하게는 충돌 및 추돌 사고 시 발생되는 충격에너지를 단계적으로 흡수하여 충돌 및 추돌 사고로부터 승객을 안전하게 보호할 수 있는 자동차용 범퍼의 충격 흡수장치에 관한 것이다.The present invention relates to a shock absorber of an automobile bumper, and more particularly, to absorbing the impact energy generated during a collision and collision accident by step by step shock absorption of the automobile bumper that can safely protect the passenger from collision and collision accident Relates to a device.

일반적으로 차량에는 충돌 시에 그 충격을 흡수하여 탑승자 등을 보호하기 위해 도 1에 나타낸 바와 같이 차체(1)의 전방 및 후방에 범퍼(10)가 장착되어 있다.Generally, bumpers 10 are mounted on the front and rear of the vehicle body 1 in order to absorb the shock during a collision and protect the occupants.

이와 같은 종래의 범퍼는 도 2에 나타낸 바와 같이, 범퍼(10)의 외관미를 향상시키기 위한 커버(11)와, 이 커버(11)의 이면에 부착되어 충격을 1차적으로 흡수하는 발포고무와 같은 충격흡수재(12)를 갖춘 구조로 되어 있다.As shown in FIG. 2, the conventional bumper includes a cover 11 for improving the appearance of the bumper 10, and a foam rubber attached to the rear surface of the cover 11 to primarily absorb shocks. The structure is provided with the same impact absorbing material 12.

그리고, 상기한 충격흡수재(12) 만으로는 차량 충돌 시에 탑승자 등을 보다 효과적으로 보호하기가 미흡하기 때문에 대개는 스틸재질로 된 충격흡수빔(13)이 충격흡수재(12)의 이면에 결합되고, 이 충격흡수빔(13)은 범퍼스테이(14)를 매개로 범퍼스테이(14)에 보울트 체결되어 범퍼(10)를 전체적으로 지지하도록 되어 있다.In addition, since the shock absorber 12 alone is insufficient to protect the occupants and the like more effectively during a vehicle crash, the shock absorber 13, which is usually made of steel, is coupled to the rear surface of the shock absorber 12. The shock absorbing beam 13 is bolted to the bumper stay 14 via the bumper stay 14 to support the bumper 10 as a whole.

한편, 상기 범퍼스테이(14)의 상측에는 큰 충격력을 완충시킬 수 있는 백 패널(15)이 설치되어 있다.On the other hand, on the upper side of the bumper stay 14, a back panel 15 that can buffer a large impact force is provided.

이러한 종래의 범퍼는 자동차의 충돌이나 추돌 시에 먼저 충격흡수재(12)가 충격을 1차적으로 흡수하고, 여분의 충격은 충격흡수빔(13)에 전달되어 충격흡수빔(13)이 충격을 적절히 흡수함과 동시에 상기 범퍼스테이(14)를 통하여 분산시키도록 되어 있다.In the conventional bumper, the shock absorber 12 first absorbs the shock at the time of collision or collision of the vehicle, and the extra shock is transmitted to the shock absorbing beam 13 so that the shock absorbing beam 13 properly absorbs the shock. It absorbs and disperse | distributes through the bumper stay 14 at the same time.

또한, 상기 충격흡수빔(13) 및 범퍼스테이(14)에서 완충하지 못하는 큰 충격력이 전달되면, 백 패널(15)로 전달되어 완충하도록 되어 있다.In addition, when a large impact force that cannot be buffered in the shock absorbing beam 13 and the bumper stay 14 is transmitted, it is transmitted to the back panel 15 to be buffered.

그러나, 이와 같이 구성된 종래 자동차용 범퍼의 충격 흡수장치는, 저속 충돌 시에는 충격흡수빔(13) 및 범퍼스테이(14)가 완충하고 중속 및 고속 충돌 시에는 충격흡수빔(13) 및 범퍼스테이(14)가 1차적으로 완충하고 잔존하는 충격력은 백 패널(15)에서 완충하게 되는 것으로서, 중속 충돌시 충격력을 효과적으로 완충할 수 있는 어떠한 수단도 강구되지 않았기 때문에 충돌에너지가 차체에 많은 충격을 주어 차체가 손쉽게 변형되는 문제점을 갖고 있다.However, the conventional shock absorber for automobile bumpers configured as described above has a shock absorbing beam 13 and a bumper stay 14 buffered at a low speed collision, and a shock absorbing beam 13 and a bumper stay at medium speed and high speed collision. 14) is primarily buffered and the remaining impact force is to be buffered in the back panel 15, and since no means have been devised to effectively cushion the impact force during a medium-speed collision, the collision energy gives a lot of impact to the vehicle body. Has a problem of being easily deformed.

본 발명은 상기한 문제점 해결하기 위하여 발명한 것으로서, 그 목적은 자동차의 범퍼에 가해지는 충격력을 완충할 수 있도록 백 패널의 내부에 완충수단을 내장하고 상기 완충수단에 충격력을 전달할 수 있도록 충격흡수재를 연장하여 저속, 중속, 고속 주행시 발생되는 충격력을 다단으로 완충시킬 수 있는 자동차용 범퍼의 충격흡수장치를 제공함에 있다.The present invention has been invented to solve the above problems, the object of the present invention is to provide a shock absorbing material to the built-in shock absorbing means to the interior of the back panel to cushion the impact force applied to the bumper of the vehicle and to transmit the impact force to the buffer means The present invention provides a shock absorbing device for an automobile bumper that can extend and cushion the impact force generated during low speed, medium speed, and high speed travel in multiple stages.

도 1은 일반적인 자동차를 나타낸 사시도.1 is a perspective view showing a typical vehicle.

도 2는 종래의 범퍼를 나타낸 단면도.Figure 2 is a cross-sectional view showing a conventional bumper.

도 3은 본 발명에 따른 충격흡수장치를 나타낸 단면도.3 is a cross-sectional view showing a shock absorbing device according to the present invention.

도 4는 본 발명에 따른 충격흡수장치의 요부를 나타낸 사시도.Figure 4 is a perspective view showing the main portion of the shock absorbing device according to the present invention.

※도면의 주요부분에 대한 부호의 설명※※ Explanation of symbols about main part of drawing ※

10 : 범퍼11 : 커버10 bumper 11 cover

12 : 충격흡수재12a : 연장부12: shock absorber 12a: extension portion

13 : 충격흡수빔14 : 범퍼스테이13: shock absorption beam 14: bumper stay

15 : 백 패널20 : 충격흡수수단15: back panel 20: shock absorbing means

21 : 제 1 플레이트22 : 제 1 파이프21: first plate 22: first pipe

23 : 제 2 플레이트24 : 제 2 파이프23: second plate 24: second pipe

25 : 제 3 플레이트25: third plate

상기 목적을 달성하기 위한 본 발명의 특징적인 구성을 설명하면 다음과 같다.Referring to the characteristic configuration of the present invention for achieving the above object is as follows.

본 발명의 자동차용 범퍼의 충격흡수장치는 자동차용 범퍼의 외관미를 향상시키기 위한 커버와, 상기 커버의 이면에 부착되고 상부에는 연장부가 형성되어 충격을 1차적으로 흡수하는 발포고무와 같은 충격흡수재와, 상기 충격흡수재의 이면에 결합되는 충격흡수빔과, 상기 충격흡수빔을 지지하는 범퍼스테이와, 상기 범퍼스테이의 상측에 설치되어 큰 충격력을 완충시킬 수 있는 백 패널과, 상기 백 패널의 내부에 내장된 충격흡수수단을 포함하여서 된 것이다.The shock absorbing device of the bumper for automobiles of the present invention is a shock absorbing material such as a cover for improving the appearance of the bumper for automobiles, and a foam rubber which is attached to the rear surface of the cover and has an extension portion formed on the upper portion to absorb shock primarily. And a shock absorbing beam coupled to the rear surface of the shock absorbing material, a bumper stay supporting the shock absorbing beam, a back panel installed on the upper side of the bumper stay to buffer a large impact force, and an inside of the back panel. It is to include a shock absorbing means built in.

이와 같은 특징을 갖는 본 발명을 상세하게 설명하면 다음과 같다.Referring to the present invention having such characteristics in detail as follows.

도 3은 본 발명에 따른 충격흡수장치를 나타낸 단면도이고, 도 4는 본 발명에 따른 충격흡수장치의 요부를 나타낸 사시도이다.3 is a cross-sectional view showing a shock absorbing device according to the present invention, Figure 4 is a perspective view showing the main portion of the shock absorbing device according to the present invention.

여기에서 참조되는 바와 같이 범퍼(10)의 외측면에는 외관미를 향상시키기 위한 커버(11)가 설치되어 있고, 상기 커버(11)의 이면에는 작은 충격을 1차적으로 흡수하도록 발포고무와 같은 재질로 형성된 충격흡수재(12)가 부착되어 있되, 그 충격흡수재(12)의 상부에는 연장부(12a)가 형성되어 있다.As referred to herein, the outer surface of the bumper 10 is provided with a cover 11 for improving appearance, and the back surface of the cover 11 is made of a material such as foam rubber to primarily absorb a small impact. The shock absorber 12 is formed, but is attached, the extension portion 12a is formed on the upper portion of the shock absorber 12.

상기 충격흡수재(12)의 이면에는 범퍼스테이(14)에 의해서 지지된 충격흡수빔(13)이 결합되어 있고, 상기 범퍼스테이(14)의 상측에는 비교적 큰 충격력을 완충시킬 수 있는 백 패널(15)이 설치되어 있으며, 상기 백 패널(15)의 내부에는 충격흡수재(12)의 연장부(12a)를 통하여 충격력을 전달받는 충격흡수수단(20)이 내장되어 있다.A shock absorbing beam 13 supported by the bumper stay 14 is coupled to the rear surface of the shock absorber 12, and a back panel 15 capable of buffering a relatively large impact force on the upper side of the bumper stay 14. ) Is installed, and the shock absorbing means 20 to receive the impact force through the extension portion 12a of the shock absorbing material 12 is built in the back panel 15.

상기 충격흡수수단(20)은 백 패널(15)의 내측면에 제 1 플레이트(21)가 고정되어 있고, 상기 제 1 플레이트(21)의 전면에는 연한 재질로 형성된 복수개의 제 1 파이프(22)가 설치되어 있으며, 상기 제 1 파이프(22)의 전면에는 제 2 플레이트(23)가 설치되어 있다.The shock absorbing means 20 is a first plate 21 is fixed to the inner surface of the back panel 15, a plurality of first pipes 22 formed of a soft material on the front surface of the first plate 21 Is installed, the second plate 23 is installed on the front surface of the first pipe (22).

한편, 상기 제 2 플레이트(23)의 전면에는 강한 재질로 형성된 제 2파이프(24)가 설치되어 있고, 상기 제 2 파이프(24)의 전면에는 충격흡수재(12)의 연장부(12a)와 근접되게 제 3 플레이트(25)가 설치되어 있다.On the other hand, a second pipe 24 formed of a strong material is installed on the front surface of the second plate 23, and the front surface of the second pipe 24 is close to the extension part 12a of the shock absorber 12. The third plate 25 is provided.

이와 같이 구성된 본 발명을 상세히 설명하면 다음과 같다.Referring to the present invention configured as described in detail as follows.

먼저, 자동차가 저속으로 주행시 충돌로 인하여 발생되는 충격력은 커버(11) 의 이면에 설치된 충격흡수재(12)에 의해서 완충되는 것이다.First, the impact force generated due to the collision when the vehicle is traveling at a low speed is cushioned by the shock absorber 12 provided on the rear surface of the cover 11.

한편, 자동차가 중속으로 주행시 충돌로 인하여 발생되는 충격력은 충격흡수재(12) 및 범퍼스테이(14)에 의해서 1차적으로 완충되고 상기 충격흡수재(12)의 연장부(12a)에 의해서 제 3 플레이트(25)로 충격력이 전달되므로 제 1 파이프(22) 및 제 2 파이프(24)가 변형되면서 충격력을 완충시게 되는 것이다.On the other hand, the impact force generated due to the collision when the vehicle is running at a medium speed is primarily buffered by the shock absorber 12 and the bumper stay 14 and the third plate (by the extension 12a of the shock absorber 12) ( Since the impact force is transmitted to 25, the first pipe 22 and the second pipe 24 are deformed to cushion the impact force.

이때 연한 재질로 형성된 제 1 파이프(22)가 변형된 후 강한 재질로 형성된 제 2 파이프(24)가 변형되면서 충격력을 완충시키게 되는 것이다. 한편, 상기 제 1 파이프(22) 및 제 2 파이프(24)가 변형될 때 주름 형상으로 변형되도록 하면 완충효과를 향상시킬 수 있다.At this time, after the first pipe 22 formed of the soft material is deformed, the second pipe 24 formed of the strong material is deformed to cushion the impact force. Meanwhile, when the first pipe 22 and the second pipe 24 are deformed to be deformed into a corrugated shape, the buffering effect can be improved.

또한, 자동차가 고속으로 주행시 충돌로 인하여 발생되는 충격력은 충격흡수재(12) 및 범퍼스테이(14)에 의해서 1차적으로 완충되고 상기 충격흡수재(12)의 연장부(12a)를 통하여 전달되는 충격력은 충격흡수수단(20)에 의해서 2차적으로 완충되는 것이며, 상기 1차 및 2차에서 완충되지 못한 충격력은 백 패널(15)로 전달되어 완충되는 것이다.In addition, the impact force generated by the collision when the vehicle is traveling at a high speed is primarily buffered by the shock absorber 12 and the bumper stay 14 and the impact force transmitted through the extension 12a of the shock absorber 12 is Secondary shock absorbing means by the shock absorbing means 20, the impact force that is not buffered in the primary and secondary is transmitted to the back panel 15 to be buffered.

이와 같이 본 발명은 자동차가 주행시 발생되는 충격력을 다단계로 완충하게되므로 충격력의 효과적으로 완충하여 승객의 안전성을 향상시킬 수 있게되는 특유의 효과가 있다.As described above, the present invention has a unique effect of buffering the impact force generated when the vehicle is driven in multiple stages, thereby effectively buffering the impact force and improving passenger safety.

또한 본 발명은 자동차에 가해지는 충격력에 의한 차체의 변형을 최소화 할 수 있게되는 특유의 효과가 있다.In addition, the present invention has a unique effect that can minimize the deformation of the vehicle due to the impact force applied to the vehicle.

Claims (2)

자동차용 범퍼(10)의 외관미를 향상시키기 위한 커버(11)와, 상기 커버(11)의 이면에 부착되고 상부에는 연장부(12a)가 형성되어 충격을 1차적으로 흡수하는 발포고무와 같은 충격흡수재(12)와, 상기 충격흡수재(12)의 이면에 결합되는 충격흡수빔(13)과, 상기 충격흡수빔(13)을 지지하는 범퍼스테이(14)와, 상기 범퍼스테이(14)의 상측에 설치되어 큰 충격력을 완충시킬 수 있는 백 패널(15)과, 상기 백 패널(15)의 내부에 내장된 충격흡수수단(20)을 포함함을 특징으로 하는 자동차용 범퍼의 충격흡수장치.A cover 11 for improving the appearance of the bumper 10 for automobiles, and an expanded portion 12a formed on the rear surface of the cover 11 and having an upper portion 12a formed thereon, such as foam rubber that primarily absorbs shock. The shock absorbing material 12, the shock absorbing beam 13 coupled to the rear surface of the shock absorbing material 12, the bumper stay 14 for supporting the shock absorbing beam 13, and the bumper stay 14 A shock absorbing device for a bumper for a vehicle, characterized in that it comprises a back panel (15) which is installed on the upper side to buffer a large impact force, and a shock absorbing means (20) built into the back panel (15). 제 1 항에 있어서, 상기 충격흡수수단(20)은 백 패널(15)의 내측면에 고정되는 제 1 플레이트(21)와, 상기 제 1 플레이트(21)의 전면에 설치된 복수개의 제 1 파이프(22)와, 상기 제 1 파이프(22)의 전면에 설치된 제 2 플레이트(23)와, 상기 제 2 플레이트(23)의 전면에 설치된 제 2 파이프(24)와, 상기 제 2 파이프(24)의 전면에 설치되어 충격흡수재(12)의 연장부(12a)와 근접되게 설치된 제 3 플레이트(25)를 포함함을 특징으로 하는 자동차용 범퍼의 충격흡수장치.The method of claim 1, wherein the shock absorbing means 20 is a first plate 21 is fixed to the inner surface of the back panel 15, and a plurality of first pipes provided on the front surface of the first plate ( 22, the second plate 23 provided on the front surface of the first pipe 22, the second pipe 24 provided on the front surface of the second plate 23, and the second pipe 24. A shock absorbing device for a bumper for a vehicle, characterized in that it comprises a third plate (25) installed on the front surface and installed in close proximity to the extension (12a) of the shock absorbing material (12).
KR1020020072773A 2002-11-21 2002-11-21 Impact buffing apparatus of bumper for car KR20040044304A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07117591A (en) * 1993-10-29 1995-05-09 Toyota Motor Corp Bumper installing structure of automobile
JPH0976841A (en) * 1995-09-18 1997-03-25 Kanto Auto Works Ltd Bumper structure for automobile
KR19990034881A (en) * 1997-10-30 1999-05-15 양재신 Insertion fastening car rear bumper
KR20020043693A (en) * 2000-12-02 2002-06-12 장인원 An energy absorber at a rear-bumper of automoble

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07117591A (en) * 1993-10-29 1995-05-09 Toyota Motor Corp Bumper installing structure of automobile
JPH0976841A (en) * 1995-09-18 1997-03-25 Kanto Auto Works Ltd Bumper structure for automobile
KR19990034881A (en) * 1997-10-30 1999-05-15 양재신 Insertion fastening car rear bumper
KR20020043693A (en) * 2000-12-02 2002-06-12 장인원 An energy absorber at a rear-bumper of automoble

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