KR19980029265U - Rigidity reinforcement structure of car front door - Google Patents

Rigidity reinforcement structure of car front door Download PDF

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Publication number
KR19980029265U
KR19980029265U KR2019960042328U KR19960042328U KR19980029265U KR 19980029265 U KR19980029265 U KR 19980029265U KR 2019960042328 U KR2019960042328 U KR 2019960042328U KR 19960042328 U KR19960042328 U KR 19960042328U KR 19980029265 U KR19980029265 U KR 19980029265U
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KR
South Korea
Prior art keywords
welded
panel
door
front panel
bent
Prior art date
Application number
KR2019960042328U
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Korean (ko)
Inventor
이중경
Original Assignee
김영귀
기아자동차 주식회사
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Application filed by 김영귀, 기아자동차 주식회사 filed Critical 김영귀
Priority to KR2019960042328U priority Critical patent/KR19980029265U/en
Publication of KR19980029265U publication Critical patent/KR19980029265U/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0468—Fixation or mounting means specific for door components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0423—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure
    • B60J5/0426—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure the elements being arranged at the beltline
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0437—Elongated type elements, e.g. beams, cables, belts or wires characterised by the attachment means to the door, e.g. releasable attachment means
    • 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

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

Abstract

본 고안은 자동차 프런트도어의 강성보강구조에 관한 것으로, 양단을 절곡하여 절곡부(3)를 형성한 외측패널(2)과, 상기 절곡부(3)에 용착되는 용접부(6)가 일단에 형성되고, 상기 용접부(6)의 내측을 다단으로 절곡하되, 일측 소정부위에 고정부(7)가 형성된 프런트패널(5)과, 상기 프런트패널(5)의 일측단에 양단부가 용착고정된 내측패널(4)과, 상기 프런트패널(5)의 고정부(7)와 절곡면에 양측면이 각각 용착고정된 도어샤시(8)와, 상기 외측패널(2)의 상부 내측면에 전후길이방향으로 용착고정되며 소정의 길이를 갖는 보강벨트(10)에 있어서, 상기 외측패널(2)의 상부 내측면에 용착되는 보강벨트(10)를 프런트패널(5)의 고정부(7)쪽으로 연장하여 연장부(11)를 형성한후, 상기 연장부(11)를 프런트패널(5)의 고정부(7)에 용착된 도어샤시(8)에 용착되어서, 외측패널에 용착고정된 보강벨트의 연장부가 프런트패널과 도어샤시의 용착부위에 견고하게 지지됨에 따라 프런트도어의 내구성 및 강성이 강화되어 차량의 측면 충돌시 프런트도어에 가해진 외부충격을 보강벨트가 효과적으로 지지 및 지탱하여 감소시켜, 외측패널이 내측패널쪽으로 밀리며 변형 및 파손되는 것을 최소로 줄일 수 있게 됨과 동시에 차실내의 승차자를 안전하게 보호하고, 용접개소를 줄일 수 있어 작업성이 향상되고 작업공정의 단순화를 기대할 수 있는 효과가 있다.The present invention relates to a rigid reinforcing structure of an automobile front door, wherein an outer panel (2) having bent portions (3) formed by bending both ends and a weld (6) welded to the bent portion (3) are formed at one end thereof. The inside of the welding part 6 is bent in multiple stages, the front panel 5 having a fixing part 7 formed at one predetermined portion, and an inner panel in which both ends are welded and fixed at one end of the front panel 5. 4) and the door chassis 8 in which both sides are welded and fixed to the fixing portion 7 and the bent surface of the front panel 5, and the welding fixation in the front-rear length direction on the upper inner surface of the outer panel 2; In the reinforcing belt 10 having a predetermined length, the reinforcing belt 10 which is welded to the upper inner surface of the outer panel 2 extends toward the fixing part 7 of the front panel 5 and extends ( 11), the extension part 11 is welded to the door chassis 8 welded to the fixing part 7 of the front panel 5, and the outer panel As the extension part of the reinforcement belt fixed on the front side is firmly supported on the welding area of the front panel and the door chassis, the durability and rigidity of the front door is strengthened, and the reinforcement belt effectively supports the external shock applied to the front door during side impact of the vehicle. Supporting and reducing, the outer panel can be pushed toward the inner panel to minimize the deformation and damage, and the occupants in the cabin can be safely protected and the welding points can be reduced, improving workability and simplifying the work process. It can be effective.

Description

자동차 프런트도어의 강성보강구조Rigidity reinforcement structure of car front door

본 고안은 자동차 프런트도어의 강성보강구조에 관한 것으로서, 더 상세하게는 자동차 프런트도어의 외측패널에 용착고정되는 보강벨트를 연장형성한후, 프런트패널에 용착고정된 도어샤시에 연장된 부위를 용착시켜 프런트도어의 외측패널을 지지 및 강성을 보강하도록 한 자동차 프런트도어의 강성보강구조에 관한 것이다.The present invention relates to a rigid reinforcement structure of a front door of a vehicle, and more particularly, by extending the reinforcing belt welded to the outer panel of the front door of the automobile and then welding the extended portion to the door chassis fixed to the front panel. The present invention relates to a rigid reinforcement structure of a vehicle front door that supports and reinforces an outer panel of the front door.

일반적으로 자동차의 도어(Door)는 전방쪽에 설치되는 프런트도어와, 후방쪽에 설치되는 리어도어로 구분되며 자동차의 좌·우 양측에 각각 설치되어 개폐되게 된다.Generally, a door of a vehicle is divided into a front door installed at a front side and a rear door installed at a rear side, and installed at both left and right sides of the vehicle to be opened and closed.

본 고안은 특히 프런트도어에 관한 것이다.The present invention particularly relates to a front door.

이러한 자동차 프런트도어의 구조는 도 3에 도시된 바와같이 양단을 절곡하여 절곡부(3)를 형성한 외측패널(2)과, 상기 외측패널(2)의 절곡부(3)에 일단에 형성된 용접부(6)가 용착고정되며 프런트도어(1) 내측으로 다단절곡하여 고정부(7)를 갖는 프런트패널(5)과, 상기 프런트패널(5)의 일측단에 용착고정된 내측패널(4)과, 상기 프런트패널(5)의 고정부(7)와 내측 절곡면에 양측면이 각각 용착고정된 도어샤시(8)와, 상기 외측패널(2)의 상부 내측면에 전후길이방향으로 용착되며 소정의 길이를 갖는 보강벨트(10)로 구성된다.The structure of the front door of the vehicle is, as shown in FIG. 3, the outer panel 2 which is bent at both ends to form the bent portion 3, and the welded portion formed at one end of the bent portion 3 of the outer panel 2. (6) is welded and the front panel (5) having a fixed portion 7 by bending in multiple stages inside the front door (1), and the inner panel (4) welded to one side end of the front panel (5) and The door chassis 8 is welded and fixed to both the fixing part 7 and the inner bent surface of the front panel 5, and is welded to the front inner side of the outer panel 2 in the front and rear length directions, and It is composed of a reinforcing belt (10) having a length.

이와같이 구성된 종래 자동차 프런트도어의 구조는 프런트도어(1)의 외측패널(2)에 형성된 절곡부(3)에 프런트패널(5)의 용접부(6)를 용착고정시키되, 상기 프런트패널(5)은 차실내쪽으로 다단으로 절곡한후, 용접부(6) 내측으로는 고정부(7)를 형성하고 상기 절곡부(3)의 타단부는 내측패널(4)에 용착고정시킨다.The conventional vehicle front door structure constructed as described above welds and welds the welded portion 6 of the front panel 5 to the bent portion 3 formed on the outer panel 2 of the front door 1, but the front panel 5 is After bending in multiple stages into the vehicle interior, the fixing part 7 is formed inside the welding part 6, and the other end of the bent part 3 is welded and fixed to the inner panel 4.

그리고 상기 프런트패널(5)의 고정부(7)에는 도어샤시(8)의 일측면을 용착시키고, 상기 도어샤시(8)의 타측부는 프런트패널(5)의 내측 절곡면에 용착고정시킨다.One side of the door chassis 8 is welded to the fixing part 7 of the front panel 5, and the other side of the door chassis 8 is welded to the inner bent surface of the front panel 5.

한편 보강벨트(10)는 외측패널(2)의 상부 내측면에 용착고정되어 외측패널(2)의 상부면을 보강하게 된다.Meanwhile, the reinforcing belt 10 is welded and fixed to the upper inner surface of the outer panel 2 to reinforce the upper surface of the outer panel 2.

전술한 바와같은 자동차 프런트도어의 구조는 자동차 프런트도어 외측패널의 내측면 상부에 용착고정된 보강벨트가 외측패널 상부면에만 용착되어 있을뿐, 프런트패널이나 도어샤시 등에 연결되어 지지되는 부분이 전혀없어 내구성 및 강성이 저하되게 된다.As described above, the structure of the front door of the automobile is that the reinforcing belt fixed to the upper side of the inner side of the exterior front panel of the automobile is welded only to the upper side of the outer panel, and there is no part connected to the front panel or the door chassis. Durability and rigidity will be reduced.

그러므로 차량의 측면 충돌시 도어에 충격이 가해지면 프런트도어를 보강하는 보강벨트가 충격을 효과적으로 지탱하지 못해 쉽게 변형 및 파손되어 차체의 손상이 심각하게 발생될뿐아니라, 차실내의 승차자가 위험한 상황에 처하게 되는 등 안전성에 문제점이 있다.Therefore, if the door is impacted during the side collision of the vehicle, the reinforcing belt that reinforces the front door does not effectively support the impact and is easily deformed and broken, causing serious damage to the vehicle body. There is a problem in safety, such as being placed.

따라서 본 고안의 목적은 자동차 프런트도어의 외측패널에 용착고정되는 보강벨트의 일측단을 연장한후, 프런트패널에 용착된 도어샤시의 일측면에 연장된 부위를 용착고정시켜 보강벨트가 프런트패널과 내측패널에 지지되며 프런트도어의 내구성 및 강성을 보강하도록 한 자동차 프런트도어의 강성보강구조를 제공하는데 있다.Therefore, an object of the present invention is to extend one side end of the reinforcing belt welded to the outer panel of the front door of the car, and then to weld the fixed portion extended to one side of the door chassis welded to the front panel to secure the reinforcing belt and the front panel. The present invention provides a rigid reinforcement structure of an automobile front door that is supported by an inner panel and reinforces the durability and rigidity of the front door.

도 1은 본 고안의 적용부위를 나타낸 예시도.1 is an exemplary view showing an application part of the present invention.

도 2는 도 1의 A-A부 확대단면도.Figure 2 is an enlarged cross-sectional view of the A-A portion of FIG.

도 3은 종래의 A-A부 확대단면도.Figure 3 is an enlarged cross-sectional view of the conventional A-A portion.

(도면의 주요부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

1 ; 프런트도어2 ; 외측패널One ; Front door 2; Outer panel

3 ; 절곡부4 ; 내측패널3; Bends 4; Inner panel

5 ; 프런트패널6 ; 용접부5; Front panel 6; Weld

7 ; 고정부8 ; 도어샤시7; Fixing part 8; Door chassis

10 ; 보강벨트11 ; 연장부10; Reinforcing belt 11; Extension

상기와 같은 목적을 달성하기 위한 본 고안의 자동차 프런트도어의 강성보강구조는 양단을 절곡하여 절곡부(3)를 형성한 외측패널(2)과, 상기 절곡부(3)에 용착되는 용접부(6)가 일단에 형성되고, 상기 용접부(6)의 내측을 다단으로 절곡하되, 일측 소정부위에 고정부(7)가 형성된 프런트패널(5)과, 상기 프런트패널(5)의 일측단에 양단부가 용착고정된 내측패널(4)과, 상기 프런트패널(5)의 고정부(7)와 절곡면에 양측면이 각각 용착고정된 도어샤시(8)와, 상기 외측패널(2)의 상부 내측면에 전후길이방향으로 용착고정되며 소정의 길이를 갖는 보강벨트(10)에 있어서, 상기 외측패널(2)의 상부 내측면에 용착되는 보강벨트(10)를 프런트패널(5)의 고정부(7)쪽으로 연장하여 연장부(11)를 형성한후, 상기 연장부(11)를 프런트패널(5)의 고정부(7)에 용착된 도어샤시(8)에 용착시킨 것을 특징으로 하는 자동차 프런트도어의 강성보강구조를 제공하는데 있다.Rigid reinforcement structure of the vehicle front door of the present invention for achieving the above object is the outer panel (2) to form a bent portion (3) by bending both ends, and the welded portion (6) welded to the bent portion (3) Is formed at one end, and the inner side of the welding part 6 is bent in multiple stages, and both ends are welded to one side end of the front panel 5 and the front panel 5 having the fixed part 7 formed at one predetermined portion. Front and rear sides of the fixed inner panel 4, the door chassis 8 of which both sides are welded and fixed to the fixing portion 7 and the bent surface of the front panel 5, and the upper inner surface of the outer panel 2, respectively. In the reinforcement belt 10 which is welded and fixed in the longitudinal direction and has a predetermined length, the reinforcement belt 10 welded to the upper inner surface of the outer panel 2 toward the fixing portion 7 of the front panel 5. After extending to form the extension portion 11, the extension portion 11 to the door chassis 8 welded to the fixing portion 7 of the front panel 5 It is to provide a rigid reinforcement structure of the front door of the automobile, characterized in that the welded.

이하, 본 고안의 실시예를 첨부된 예시도면을 참조하여 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

도 1은 본 고안의 적용부위를 나타낸 것이고, 도 2는 본 고안의 요부를 확대한 단면도이다.Figure 1 shows the application of the subject innovation, Figure 2 is an enlarged cross-sectional view of the main portion of the subject innovation.

도 2에 도시된 바와같이 외측패널(2)의 상부 내측면에 용착고정되는 보강벨트(10)는 전방쪽 즉 프런트패널(5)쪽으로 연장형성하되, 상기 보강벨트(10)의 연장부(11)는 프런트패널(5)의 고정부(7)에 용착된 도어샤시(8)의 일측면에 위치시킨후 용착시킨다.As shown in FIG. 2, the reinforcement belt 10 welded and fixed to the upper inner surface of the outer panel 2 extends toward the front side, that is, the front panel 5, and the extension portion 11 of the reinforcement belt 10. ) Is placed on one side of the door chassis 8 welded to the fixing part 7 of the front panel 5 and then welded.

상기 연장부(11)의 내측면을 도어샤시(8)에 용착시키고, 외측면은 외측패널(2)에서 약간 이격되도록 절곡시킨다.The inner surface of the extension portion 11 is welded to the door chassis 8, and the outer surface is bent to be slightly spaced apart from the outer panel 2.

상기와 같은 본 고안의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention as described above are as follows.

프런트도어(1)의 외측패널(2)에 형성된 절곡부(3)에 프런트패널(5)의 용접부(6)를 용착고정시키되, 상기 프런트패널(5)의 고정부(7)와 내측 절곡면에는 도어샤시(8)의 양측면을 용착시킨다.The welding portion 6 of the front panel 5 is welded and fixed to the bent portion 3 formed on the outer panel 2 of the front door 1, but the fixing portion 7 and the inner bent surface of the front panel 5 are fixed. Both sides of the door chassis 8 are welded.

그리고 상기 프런트패널(5)의 타단부는 내측패널(4)에 용착시키고, 상기 프런트패널(5)의 고정부(7)에 일측면이 용착된 도어샤시(8)의 외측면에는 보강벨트(10)의 연장부(11)를 용착고정시켜 프런트도어(1)의 외측패널(2)과 프런트패널(5)에 용착된 내측패널(4)이 연결되어 상호 지지되며 견고한 상태를 유지하도록 한다.The other end of the front panel 5 is welded to the inner panel 4, and a reinforcement belt ( 10) by welding and fixing the extension part 11 so that the outer panel 2 of the front door 1 and the inner panel 4 welded to the front panel 5 are connected to each other to maintain a firm state.

상기와 같은 본 고안의 자동차 프런트패널의 강성보강구조는 외측패널에 용착고정된 보강벨트의 연장부가 프런트패널과 도어샤시의 용착부위에 견고하게 지지됨에 따라 프런트도어의 내구성 및 강성이 강화되어 차량의 측면 충돌시 프런트도어에 가해진 외부충격을 보강벨트가 효과적으로 지지 및 지탱하여 감소시켜, 외측패널이 내측패널쪽으로 밀리며 변형 및 파손되는 것을 최소로 줄일 수 있게 됨과 동시에 차실내의 승차자를 안전하게 보호하고, 용접개소를 줄일 수 있어 작업성이 향상되고 작업공정의 단순화를 기대할 수 있는 효과가 있다.The rigid reinforcement structure of the vehicle front panel of the present invention as described above, the extension of the reinforcing belt welded to the outer panel is firmly supported on the welding portion of the front panel and the door chassis, so that the durability and rigidity of the front door is strengthened to the side of the vehicle In the event of a collision, the external shock applied to the front door is effectively supported and supported by the reinforcing belt to reduce the external panel being pushed toward the inner panel to minimize the deformation and damage, while also protecting the occupant in the cabin safely and welding. It is possible to reduce the work efficiency, thereby improving workability and simplifying the work process.

Claims (1)

양단을 절곡하여 절곡부(3)를 형성한 외측패널(2)과, 상기 절곡부(3)에 용착되는 용접부(6)가 일단에 형성되고, 상기 용접부(6)의 내측을 다단으로 절곡하되, 일측 소정부위에 고정부(7)가 형성된 프런트패널(5)과, 상기 프런트패널(5)의 일측단에 양단부가 용착고정된 내측패널(4)과, 상기 프런트패널(5)의 고정부(7)와 절곡면에 양측면이 각각 용착고정된 도어샤시(8)와, 상기 외측패널(2)의 상부 내측면에 전후길이방향으로 용착고정되며 소정의 길이를 갖는 보강벨트(10)에 있어서,The outer panel 2, which is bent at both ends to form the bent portion 3, and the welded portion 6 welded to the bent portion 3 are formed at one end, and the inner side of the welded portion 6 is bent in multiple stages. A front panel 5 having a fixing portion 7 formed at one predetermined portion, an inner panel 4 of which both ends are welded to one side end of the front panel 5, and a fixing portion of the front panel 5; (7) and the door chassis (8), in which both sides are welded and fixed to the bent surface, and the reinforcing belt (10) having a predetermined length, which is welded and fixed in the front and rear length direction on the upper inner surface of the outer panel (2). , 상기 외측패널(2)의 상부 내측면에 용착되는 보강벨트(10)를 프런트패널(5)의 고정부(7)쪽으로 연장하여 연장부(11)를 형성한후, 상기 연장부(11)를 프런트패널(5)의 고정부(7)에 용착된 도어샤시(8)에 용착시킨 것을 특징으로 하는 자동차 프런트도어의 강성보강구조.The extension part 11 is formed by extending the reinforcing belt 10 welded to the upper inner side surface of the outer panel 2 toward the fixing part 7 of the front panel 5, and then extending the extension part 11. A rigid reinforcement structure of an automobile front door, which is welded to a door chassis 8 welded to a fixed portion 7 of a front panel 5.
KR2019960042328U 1996-11-27 1996-11-27 Rigidity reinforcement structure of car front door KR19980029265U (en)

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