KR100268991B1 - Overhead reinforcing structure for center pillar of automobile - Google Patents
Overhead reinforcing structure for center pillar of automobile Download PDFInfo
- Publication number
- KR100268991B1 KR100268991B1 KR1019950065321A KR19950065321A KR100268991B1 KR 100268991 B1 KR100268991 B1 KR 100268991B1 KR 1019950065321 A KR1019950065321 A KR 1019950065321A KR 19950065321 A KR19950065321 A KR 19950065321A KR 100268991 B1 KR100268991 B1 KR 100268991B1
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- South Korea
- Prior art keywords
- center pillar
- inner panel
- roof rail
- pillar inner
- shaped reinforcement
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- 230000003014 reinforcing effect Effects 0.000 title claims description 6
- 230000002787 reinforcement Effects 0.000 claims abstract description 24
- 239000011324 bead Substances 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- 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
- B60R2021/0002—Type of accident
- B60R2021/0006—Lateral collision
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2410/00—Constructional features of vehicle sub-units
- B60Y2410/12—Production or manufacturing of vehicle parts
- B60Y2410/124—Welded parts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
본 발명은 자동차 센터필라(Center Pillar) 상부의 보강재에 관한 것으로, 종래에는 예시도면 제 2 도에서와 같이 센터필라 상부의 보강재인 T형 보강판(20)은 판을 덧댄 것에 불과하여 센터필라(10) 상부결합부의 강성이 취약하였으며, 측면충격에 대한 차량의 안전성이 저하되었다.The present invention relates to a reinforcement of an upper portion of an automobile center pillar, and in the related art, a T-shaped reinforcement plate 20, which is a reinforcement of an upper portion of a center pillar, as shown in FIG. 10) The rigidity of the upper coupling was weak, and the safety of the vehicle against side impact was deteriorated.
따라서 본 발명은 예시도면 제 3 도에서와 같이 센터필라(10) 상부에 반원단면 형상의 비이드(26)를 형성시키고 상기 비이드(26)에 T형 보강파이프(34)를 결합시켜 상기 센터필라(10) 상부의 강성을 증대하고 차량의 안전성을 향상시킨 것이다.Accordingly, the present invention forms a semi-circular cross-shaped bead 26 on the center pillar 10 as shown in FIG. 3 and couples the T-shaped reinforcement pipe 34 to the bead 26 to form the center. The stiffness of the upper portion of the pillar 10 is increased and the safety of the vehicle is improved.
Description
본 발명은 자동차 센터필라의 상부 보강구조에 관한 것으로, 센터필라와 루프패널과의 연결부의 강성을 향상시켜서 추돌사고시의 안전성이 향상되도록 하는 자동차 센터필라의 상부 보강구조에 관한 것이다.The present invention relates to an upper reinforcing structure of an automobile center pillar, and to an upper reinforcing structure of an automobile center pillar to improve the rigidity of the connection portion between the center pillar and the roof panel so as to improve safety during a collision accident.
자동차의 차체는 제1도에 도시된 바와 같이, 박스형태로 제작되며, 현가장치나 엔진설치부와 같이 외력이 집중되는 곳에는 프레임을 보강하여 가해지는 외력이 차체 전체로 분산되도록 하고 있으며, 또한 차실내를 중심으로 차체전방이나 후방에는 소위 크러시존(Crush Zone)이라는 구간을 형성하여서, 상당한 큰 충격이 가해지는 전방이나 후방 추돌사고시에 크러시존의 부재들이 충격을 흡수하면서 변형되도록 하고 있다.As shown in FIG. 1, the vehicle body is manufactured in the form of a box. Where the external force is concentrated, such as a suspension system or an engine installation unit, the external force applied to the vehicle body is distributed to the entire vehicle body. By forming a so-called crush zone in the front or rear of the vehicle center, the members of the crush zone are deformed while absorbing the impact in the front or rear collision accident.
한편, 센터필라(10)와 프론트필라(12) 및 리어필라(14)는 각각 한 쌍을 이루면서 차체의 양측에 대향되게 배치되고, 이 필라들(10, 12, 14)의 상부에는 루프패널(24)이 설치되어 차실내를 이루고 있는데, 외부로부터 차체에 충격이 가해지게 되면 그 구조상 루프패널(24)과의 연결부분인 필라들(10, 12, 14)의 상부에 충격에 의한 응력이 집중된다. 이러한 경우, 필라들(10, 12, 14)의 상부가 변형되면서 루프패널(24)과의 연결부분이 휘어지거나 파손되어, 루프패널(24)이 차실내측으로 침범하게 되므로 탑승자가 크게 상해를 입게 되며, 이러한 문제는 측방 추돌사고시 더욱 심각하게 발생된다.Meanwhile, the center pillars 10, the front pillars 12, and the rear pillars 14 form a pair, respectively, and are disposed opposite to both sides of the vehicle body, and a roof panel (top) of the pillars (10, 12, 14). 24 is installed to form the interior of the vehicle. When an impact is applied to the vehicle body from the outside, the stress due to the impact is concentrated on the upper portions of the pillars 10, 12, 14, which are connected to the roof panel 24. do. In this case, as the upper portions of the pillars 10, 12, 14 are deformed, the connection portion with the roof panel 24 is bent or broken, and the roof panel 24 is invaded into the interior of the vehicle, causing serious injury to the occupant. This problem is more serious in lateral collisions.
따라서, 루프패널(24)과 필라들(10, 12, 14)과의 연결부분의 강성을 향상시키기 위한 방안이 다방면으로 연구되고 있다. 상기 필라들(10, 12, 14)중에서 특히 센터필라(10)는 차실내의 중간부분에 위치되어서 센터필라(10)와 루프패널(24)과의 연결부분이 휘어지거나 파손되는 경우에는 루프패널(24)의 중간부분이 차실내를 덮치게 되므로, 강도보완이 각별하게 요구된다.Therefore, various methods for improving the rigidity of the connection portion between the roof panel 24 and the pillars 10, 12, 14 have been studied. Among the pillars 10, 12, 14, in particular, the center pillar 10 is located in the middle of the vehicle interior, and the roof panel when the connection between the center pillar 10 and the roof panel 24 is bent or broken. Since the middle part of (24) covers the interior of the vehicle, extra strength is particularly required.
이에 종래에는 제 2 도의 (a) 및 (b)에 도시된 바와 같이, 센터필라 인너패널(18)과 센터필라 아웃패널(16) 사이에 T형 보강판(20)을 설치하여서 센터필라(14)의 강도가 향상되도록 하고 있다. 한편, 센터필라 인너패널(18)에는 루프레일(22)이 차량 종방향으로 설치되어서 센터필라 인너패널(18)과 루프레일(22)이 폐단면을 이루는 구조로 되어 있다.In the related art, as shown in FIGS. 2A and 2B, a T-shaped reinforcement plate 20 is installed between the center pillar inner panel 18 and the center pillar out panel 16 to form a center pillar 14. ), The strength is improved. On the other hand, the center pillar inner panel 18 is provided with a roof rail 22 in the longitudinal direction of the vehicle so that the center pillar inner panel 18 and the roof rail 22 form a closed cross section.
그러나, 상기 종래 기술의 경우에는 센터필라 인너패널(18)과 센터필라 아웃패널(16) 사이에 T형 보강판(20)을 덧붙인 것에 불과하므로, T형 보강판(20)을 설치하지 않는 경우보다는 강성이 향상되었다고 하더라도 요구되는 만큼의 충분한 강도 향상을 기대할 수 없는 문제가 있다.However, in the case of the prior art, since only the T-shaped reinforcement plate 20 is added between the center pillar inner panel 18 and the center pillar out panel 16, the T-shaped reinforcement plate 20 is not installed. Rather, even if the rigidity is improved, there is a problem that can not expect a sufficient strength improvement as required.
이에 본 발명은 상기와 같은 문제를 해결하기 위해 발명된 것으로, 센터필라의 강성을 향상시켜서 추돌사고시의 안전성이 향상되도록 하는 자동차 센터필라의 상부 보강구조를 제공함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above problems, an object of the present invention is to provide an upper reinforcing structure of an automobile center pillar to improve the rigidity of the center pillar to improve the safety of the collision accident.
제1도는 차체를 도시한 사시도,1 is a perspective view showing a vehicle body,
제2a도는 종래 기술을 도시한 도면으로서, 센터필라의 상부를 A방향에서 바라본 사시도,Figure 2a is a view showing the prior art, a perspective view of the top of the center pillar in the A direction,
제2b도는 종래 기술을 도시한 도면으로서, 제 2a 도에 표기된 B-B선 단면도,Figure 2b is a view showing the prior art, cross-sectional view taken along line B-B shown in Figure 2a,
제3도는 본 발명을 도시한 도면으로서, 제 2a 도에 대한 대응도이다.3 is a diagram showing the present invention, corresponding to FIG. 2a.
〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>
10 : 센터필라 12 : 프론트필라10: Center pillar 12: Front pillar
14 : 리어필라 16 : 센터필라 아웃패널14: Rear pillar 16: Center pillar out panel
18 : 센터필라 인너패널 20 : T형 보강판18: Center pillar inner panel 20: T-shaped reinforcement plate
22 : 루프레일 24 : 루프패널22: roof rail 24: roof panel
25, 26' : 안착홈 28 : 수평파이프부25, 26 ': Settling groove 28: Horizontal pipe part
29 : 수직파이프부 30 : T형 보강파이프29 vertical pipe part 30 T-shaped reinforcement pipe
32 : 제1체결판 36 : 보울트32: first conclusion 36: bolt
38 : 너트 40 : 제2체결판38: nut 40: second fastening plate
상기와 같은 목적을 달성하기 위한 본 발명은, 센터필라 인너패널과 센터필라 아웃패널이 상호 맞대어 용접되고, 루프레일이 센터필라 인너패널의 상부에 용접되어 폐단면을 이루는 자동차 센터필라의 상부 보강구조에 있어서, 상기 센터필라 인너패널과 루프레일에는 수평파이프부와 수직파이프부로 구성되어 일체되어진 T형 보강파이프가 안착될 수 있도록 이에 상응한 안착홈이 형성되어서, 이들 안착홈에 T형 보강 파이프가 안착되되, 수평파이프부는 루프레일의 길이방향과 평행하게 배치되면서, 수직파이프부는 센터필라 인너패널의 길이방향과 평행하게 배치되고, 제1체결판을 매개로 수평파이프부와 수직파이프부의 연결부분이 루프레일에 고정되며, 제2체결판을 매개로 T형 보강파이프의 자유단들이 센터필라 인너패널과 루프레일에 각각 고정되어진 것을 특징으로 하는 구조로 되어 있다.According to the present invention for achieving the above object, the center pillar inner panel and the center pillar out panel are welded to each other, the roof rail is welded to the upper portion of the center pillar inner panel, the upper reinforcement structure of the automobile center pillar to form a closed section In the center pillar inner panel and the roof rail, a corresponding mounting groove is formed so that the T-shaped reinforcement pipe, which is composed of a horizontal pipe part and a vertical pipe part, can be seated, and a T-shaped reinforcement pipe is formed in these seating grooves. The horizontal pipe part is disposed parallel to the longitudinal direction of the roof rail, while the vertical pipe part is disposed parallel to the longitudinal direction of the center pillar inner panel, and the connecting portion of the horizontal pipe part and the vertical pipe part is connected to each other through the first fastening plate. It is fixed to the roof rail, and the free ends of the T-shaped reinforcement pipe are connected to the center pillar inner panel and the roof rail via the second fastening plate. It has a structure wherein been defined.
이하 본 발명을 첨부된 예시도면에 의거하여 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
제3도에 의하면, 센터필라 인너패널(18)과 센터필라 아웃패널(16)이 상호 맞대어 용접되고, 루프레일(22)이 센터필라 인너패널(18)의 상부에 용접되어 폐단면을 이루되, 상기 센터필라 인너패널(18)과 루프레일(22)에는 수평파이프부(28)와 수직 파이프부(29)로 구성되어 일체되어진 T형 보강파이프(30)가 안착될 수 있도록 이에 상응한 안착홈(26, 26')이 형성된다. 이들 안착홈(26, 26')은 수평파이프부(28)가 루프레일(22)의 길이방향과 평행하게 배치되면서, 수직파이프부(29)가 센터필라 인너패널(18)의 길이방향과 평행하게 배치되도록 형성된다. 상기 안착홈(26, 26')에 안착된 T형 보강파이프(30)는, 다수의 체결판(32, 40)을 매개로 센터필라 인너패널(18)과 루프레일(22)에 고정되는데, 수평파이프부(28)와 수직파이프부(29)의 연결부분은 이의 노출면을 감싸면서 보울트(36)와 너트(38)에 의해 루프레일(22)에 체결되는 제1체결판(32)을 매개로 고정되고, 제2체결판(40)을 매개로 T형 보강파이프(30)의 자유단들은 이의 노출면을 감싸면서 보울트(36)와 너트(38)에 의해 센터필라 인너패널(18) 및 루프레일(22)에 각각 체결되는 제2체결판(40)을 매개로 고정된다.According to FIG. 3, the center pillar inner panel 18 and the center pillar out panel 16 are welded to each other and the roof rail 22 is welded to the upper portion of the center pillar inner panel 18 to form a closed cross section. In addition, the center pillar inner panel 18 and the roof rail 22 may be seated correspondingly so that the T-shaped reinforcement pipe 30 composed of the horizontal pipe part 28 and the vertical pipe part 29 may be integrated. Grooves 26 and 26 'are formed. These seating grooves 26 and 26 'have horizontal pipe portions 28 arranged parallel to the longitudinal direction of the roof rail 22, and the vertical pipe portions 29 are parallel to the longitudinal direction of the center pillar inner panel 18. It is formed to be arranged. The T-shaped reinforcement pipe 30 seated in the seating grooves 26 and 26 'is fixed to the center pillar inner panel 18 and the roof rail 22 through a plurality of fastening plates 32 and 40. The connecting portion of the horizontal pipe portion 28 and the vertical pipe portion 29 surrounds the exposed surface thereof to hold the first fastening plate 32 fastened to the roof rail 22 by the bolt 36 and the nut 38. The free ends of the T-shaped reinforcement pipes 30 are fixed to each other by the second fastening plate 40, and the center pillar inner panel 18 is formed by the bolts 36 and the nuts 38 while covering the exposed surfaces thereof. And second fastening plates 40 fastened to the roof rails 22, respectively.
상기 안착홈(26)은 차량 외측방향으로 반원단면을 이루며 굴곡형성되므로, 평판에 비해서 자체 강도가 향상되는 효과가 있으며, 더욱이 T형 보강파이프(30)가 안착되므로, 루프패널(24)의 연결부분인 센터필라(10) 상부의 강도가 크게 향상된다.Since the seating grooves 26 form a semicircular cross section in a vehicle outward direction, the seating grooves 26 have an effect of improving their own strength compared to a flat plate. Furthermore, the T-shaped reinforcement pipe 30 is seated, so that the roof panel 24 is connected. The strength of the upper portion of the center pillar 10 as a part is greatly improved.
한편, 상기 T형 보강파이프(30)가 센터필라 인너패널(18)과 루프레일(22) 및 체결판들(32, 40)에 부딪혀서 소음이 발생될 수 있으므로, 안착홈(26, 26')에 T형 보강파이프(30)를 안착시킨 상태에서 T형 보강파이프(30)의 임의의 부분을 센터필라 인너패널(18)이나 루프레일(22)에 용접하여 1차적으로 고정한 후, 체결판들(32, 40)을 매개로 T형 보강파이프(30)를 2차적으로 고정할 수도 있음은 물론이다.On the other hand, since the T-shaped reinforcement pipe 30 hits the center pillar inner panel 18, the roof rail 22, and the fastening plates 32 and 40, noise may be generated. After fixing any portion of the T-shaped reinforcement pipe 30 to the center pillar inner panel 18 or the roof rail 22 while the T-shaped reinforcement pipe 30 is seated on the mounting plate, the fastening plates are first fixed. Of course, the T-shaped reinforcement pipes 30 may be secondarily fixed via the media (32, 40).
이상 상기한 바와 같은 본 발명에 따르면, 센터필라 인너패널과 루프레일에 안착홈이 형성되어 자체 강도가 향상되면서, 이에 설치되는 T형 보강파이프에 의해 강보가 보강되므로, 센터필라의 상부 강도가 크게 향상되어, 탑승자의 안전성이 크게 향상되는 효과가 있다.According to the present invention as described above, while the seating grooves are formed in the center pillar inner panel and the roof rail to improve its strength, the steel beam is reinforced by the T-shaped reinforcing pipe installed therein, so that the upper strength of the center pillar is greatly increased. This improves the safety of the occupant.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950065321A KR100268991B1 (en) | 1995-12-29 | 1995-12-29 | Overhead reinforcing structure for center pillar of automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950065321A KR100268991B1 (en) | 1995-12-29 | 1995-12-29 | Overhead reinforcing structure for center pillar of automobile |
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| Publication Number | Publication Date |
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| KR970041294A KR970041294A (en) | 1997-07-24 |
| KR100268991B1 true KR100268991B1 (en) | 2000-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1019950065321A Expired - Fee Related KR100268991B1 (en) | 1995-12-29 | 1995-12-29 | Overhead reinforcing structure for center pillar of automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020081932A (en) * | 2001-04-20 | 2002-10-30 | 기아자동차주식회사 | Reinforcement in Automobile Center-Pillar |
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1995
- 1995-12-29 KR KR1019950065321A patent/KR100268991B1/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020081932A (en) * | 2001-04-20 | 2002-10-30 | 기아자동차주식회사 | Reinforcement in Automobile Center-Pillar |
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| KR970041294A (en) | 1997-07-24 |
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