KR19990006448U - Grounding structure of automobile - Google Patents

Grounding structure of automobile Download PDF

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Publication number
KR19990006448U
KR19990006448U KR2019970019914U KR19970019914U KR19990006448U KR 19990006448 U KR19990006448 U KR 19990006448U KR 2019970019914 U KR2019970019914 U KR 2019970019914U KR 19970019914 U KR19970019914 U KR 19970019914U KR 19990006448 U KR19990006448 U KR 19990006448U
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South Korea
Prior art keywords
body panel
ground
grounding
bolt
fixing
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KR2019970019914U
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Korean (ko)
Inventor
최영진
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양재신
대우자동차 주식회사
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Priority to KR2019970019914U priority Critical patent/KR19990006448U/en
Publication of KR19990006448U publication Critical patent/KR19990006448U/en

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Abstract

본 고안은 자동차의 접지구조의 개선에 관한 것이다.The present invention relates to an improvement in the grounding structure of an automobile.

본 고안은 고정홀(102)이 형성되는 차체패널(100)과; 고정홀(102)을 관통하는 나사부(112)와, 볼트(110)의 후단에서 반경방향 외측으로 확장되어 홀(102)내에 배치되는 접지부(114)와,접지부(114)의 후단에서 고정홀(102)보다 크도록 반경방향 외측으로 확장되어 차체패널(100)에 용접되는 고정부(116)가 일체로 구성된 볼트(110)와; 차체패널(100)을 관통하는 나사부(112)에 나사결합되며 접지단자(42)를 접지부(114)상에 가압 고정하는 캡너트(120)로 이루어진 자동차의 접지구조를 특징으로 한다.The present invention and the vehicle body panel 100 is formed with a fixing hole 102; The screw portion 112 penetrating through the fixing hole 102, the ground portion 114 is disposed radially outward from the rear end of the bolt 110 and disposed in the hole 102, and fixed at the rear end of the ground portion 114 A bolt 110 extending integrally outward in a radial direction so as to be larger than the hole 102 and integrally formed with a fixing part 116 welded to the vehicle body panel 100; It is characterized in that the ground structure of the vehicle is screwed to the screw 112 through the body panel 100 and made of a cap nut 120 for pressing and fixing the ground terminal 42 on the ground portion 114.

이러한 본 고안은 차체패널상에 고정홀을 형성하고 여기에 볼트를 삽입하여 너트체결 함으로써 장기간 사용시에도 볼트가 이탈될 우려를 배제하게 되는 것은 물론 접지효율을 향상시킬 수 있는 효과를 갖는 것이다.The present invention is to form a fixing hole on the body panel and insert the bolt to the nut to eliminate the risk of bolts are separated even in long-term use, as well as to improve the grounding efficiency.

Description

자동차의 접지구조Grounding structure of automobile

본 고안은 자동차의 접지구조의 개선에 관한 것이다.The present invention relates to an improvement in the grounding structure of an automobile.

주지된 바와 같이 자동차는 내연기관을 이용하는 것으로, 엔진에서 발생된 동력을 변속기에서 적절히 조절하여 추진축등을 통해 구동륜으로 전달하여 구동륜을 회전시키고, 더불어 운전자에 의해 조작되는 조향륜의 방향에 따라 전진 또는 후진을 이루게 되는 것으로 사람들의 이동수단은 물론 화물의 운반등에 광범위하게 이용되고 있는 것이다.As is well known, the automobile uses an internal combustion engine, and the power generated from the engine is properly adjusted by the transmission and transmitted to the driving wheels through the propulsion shafts to rotate the driving wheels, and according to the direction of the steering wheel operated by the driver, As a result of the backward movement, people are widely used not only for transportation but also for transportation of cargo.

이러한 자동차는 상기와 같은 엔진, 변속기, 추진축등이 서로 유기적으로 결합되어 있는 매우 복잡한 메카니즘을 갖고 있는 것으로, 최근에는 이러한 기계적인 장치와 더불어 조향조작 및 엔진제어 등을 전자적으로 수행하는 전기장치가 첨가되어 더욱 복잡한 구성을 이루고 있다.Such a vehicle has a very complicated mechanism in which the engine, the transmission, the propulsion shaft, and the like are organically combined with each other. Recently, such a mechanical device and an electric device for electronically performing steering operation and engine control are added. To achieve a more complex configuration.

따라서, 각종 기계장치 및 전기장치는 전기적인 제어를 위한 전원을 필요로 하고 있으므로, 자동차에는 일정량의 전력이 충전되어 있는 배터리가 제공되어 잇고, 또한, 엔진 회전력을 이용하여 전기를 발생시켜 배터리의 소모 전력을 충전하는 제네레이터 등의 발전수단등도 설치되어 있다.Therefore, since various mechanical devices and electric devices require a power source for electrical control, a vehicle is provided with a battery which is charged with a certain amount of electric power, and also generates electricity using engine rotational force, thereby consuming the battery. Generating means such as a generator for charging electric power is also provided.

한편, 각종 전기장치들에 공급되는 전류는 접지를 필요로 하게 된다. 이러한 접지는 주로 차체패널에 실시하고 있는 바, 도 1에는 그 일례가 분해 사시도로 도시되어 있다. 이에 따르면, 접지선(40)의 단부에 고정되는 접지단자(42)가 삽입되는 나사부(22)와, 이 나사부(22)의 후단에 반경뱅향 외측으로 확장되는 접지부(24)로 이루어진 볼트(20)가 구비되고, 상기 나사부(22)에 나사결합되는 너트(30)가 제공되어 있다. 너트(30)는 나사부로의 페인트 또는 먼지 이물질 투입등을 방지하기 위해 캡너트가 이용된다.On the other hand, the current supplied to various electrical devices requires grounding. Such grounding is mainly performed on the vehicle body panel, and an example thereof is shown in an exploded perspective view in FIG. 1. According to this, the bolt part 20 which consists of the screw part 22 into which the ground terminal 42 fixed to the edge part of the ground wire 40 is inserted, and the ground part 24 extended radially outward at the rear end of this screw part 22 is carried out. ) Is provided, and a nut 30 screwed to the threaded portion 22 is provided. Nut 30 is a cap nut is used to prevent the injection of paint or dust foreign matter to the threaded portion.

이러한 종래의 접지구조는 도 2에 도시된 바와 같이 볼트(20)를 저항용접 등을 이용하여 차체패널(10)에 용접한 상태에서 접지단자(42)를 나사부(22)에 끼우고 너트(30)를 나사부(22)에 나사 결합하여 너트(30)의 하단이 접지단자(42)를 접지부(24)상에 가압하는 것에 의해 조립이 이루어지고, 이러한 상태에서 접지단자(42)로 흐르는 전류는 저항용접에 의해 차체패널(10)용접되어 있는 볼트(20)를 통해 흐르게 된다.In the conventional grounding structure, as shown in FIG. 2, the ground terminal 42 is inserted into the screw part 22 in the state where the bolt 20 is welded to the vehicle body panel 10 using resistance welding or the like, and the nut 30 ) Is assembled by screwing the screw portion 22 into the lower portion of the nut 30 by pressing the ground terminal 42 on the ground portion 24, and the current flowing to the ground terminal 42 in this state. Is flowed through the bolt 20 which is welded to the vehicle body panel 10 by resistance welding.

그러나 상기와 같은 접지구조는 장기간 사용시 볼트가 이탈되는 것은 물론 접지효율이 떨어지는 문제를 갖고 있었다.However, the grounding structure as described above had a problem in that the bolts are detached and the grounding efficiency is lowered when used for a long time.

즉, 종래의 접지구조는 볼트(20)의 접지부(24)후면을 차체패널(10)에 용접에 의해 고정하는 바, 외부에서 외력이 가해지게 되면 용접부가 쉽게 떨어질 뿐만 아니라 장기간 사용시 용접부의 부식등으로 인해 이탈의 우려가 있는 것이다. 특히, 볼트(20)가 이탈되면 접지가 이루어지지 않게되는 것은 물론 나아가서, 타 전기장치와의 합선등으로 인해 화재의 우려가 발생되는 문제를 수반하게 되므로 이에 대한 보완책이 요구되고 있는 실정이다.That is, in the conventional grounding structure, the rear surface of the ground portion 24 of the bolt 20 is fixed to the vehicle body panel 10 by welding. When external force is applied from the outside, the welding portion is easily dropped, and the welded portion is corroded when used for a long time. There is a risk of departure due to such. In particular, when the bolt 20 is detached, the grounding is not made, and furthermore, since the short circuit with other electric devices is accompanied by a problem that a fire is caused, a supplementary measure is required.

이에, 본 고안은 상술한 바와 같은 종래기술의 문제점을 감안하여 이루어진 것으로, 그 목적은 볼트의 이탈을 방지함과 동시에 접지효율을 향상시킬 수 있는 자동차의 접지구조를 제공함에 있다.Accordingly, the present invention has been made in view of the problems of the prior art as described above, the object of which is to provide a grounding structure of a vehicle that can prevent the separation of the bolt and at the same time improve the grounding efficiency.

도 1은 종래 자동차의 접지구조를 보인 분해 사시도1 is an exploded perspective view showing a ground structure of a conventional vehicle

도 2는 종래 자동차의 접지구조의 결합상태 단면도2 is a cross-sectional view of the coupling state of the conventional ground structure of the vehicle

도 3은 본 고안에 따른 자동차의 접지구조를 보인 분해 사시도3 is an exploded perspective view showing a grounding structure of a vehicle according to the present invention

도 4는 본 고안에 따른 자동차의 접지구조의 결합상태 단면도4 is a cross-sectional view of the coupling state of the ground structure of the vehicle according to the present invention

♣ 도면의 주요 부분에 대한 부호의 설명 ♣♣ Explanation of symbols for the main parts of the drawing ♣

100: 차체패널 102: 고정홀100: body panel 102: fixing hole

110: 볼트 112: 나사부110: bolt 112: threaded portion

114: 접지부 116: 고정부114: grounding portion 116: fixed portion

120: 캡너트 40: 접지선120: cap nut 40: ground wire

42: 접지단자42: ground terminal

이러한 본 고안의 목적은 고정홀이 형성되는 차체패널과; 고정홀을 관통하는 나사부와, 볼트의 후단에서 반경방향 외측으로 확장되어 홀내에 배치되는 접지부와,접지부의 후단에서 고정홀보다 크도록 반경방향 외측으로 확장되어 차체에 용접되는 고정부가 일체로 구성된 볼트와; 차체패널을 관통하는 나사부에 나사결합되며 접지단자를 접지부상에 가압 고정하는 너트로 이루어진 자동차의 접지구조에 의해 달성될 수 있다.An object of the present invention and the vehicle body panel is formed with a fixing hole; A screw portion penetrating the fixing hole, a ground portion extending radially outward at the rear end of the bolt and disposed in the hole, and a fixing portion extending radially outward at a rear end of the ground portion to be larger than the fixing hole and welded to the vehicle body Bolts; It can be achieved by a grounding structure of a vehicle, which is screwed to a threaded portion passing through the body panel and is made of a nut for pressing and fixing the grounding terminal on the grounding portion.

상기 접지부의 축방향 길이는 차체패널의 두께 보다 크게 구성하여 고정부의 용접후 차체패널의 상부로 돌출되도록 함이 바람직하다.The axial length of the ground portion may be larger than the thickness of the body panel so as to protrude to the upper portion of the body panel after welding of the fixing portion.

이하에서는 첨부도면을 참조하여 본 고안의 바람직한 실시예를 상세히 설명하면 다음과 같다.Hereinafter, a preferred embodiment of the present invention with reference to the accompanying drawings in detail as follows.

도 3에는 본 고안에 따른 접지구조의 구성을 보인 분해 사시도가 도시되어 있다.3 is an exploded perspective view showing the configuration of the grounding structure according to the present invention.

이에 따르면 본 고안은 차체패널(100)상에 고정홀(102)이 관통형성되어 있다. 그리고 고정홀(102)을 통해 관통하며 차체패널(100)에 고정되는 볼트(110) 및 이 볼트(110)에 고정되는 캡너트(120)가 제공된다.According to the present invention, the fixing hole 102 is formed through the body panel 100. A bolt 110 penetrating through the fixing hole 102 and fixed to the vehicle body panel 100 and a cap nut 120 fixed to the bolt 110 are provided.

상기 볼트(110)는 차체패널(100)의 고정홀(102)을 관통하는 나사부(112)와, 홀(102)내에 배치되는 접지부(114)와, 차체패널(100)에 용접되는 고정부(116)가 일체로 구성된다. 접지부(114)는 볼트(110)의 후단에서 반경방향 외측으로 확장되어 고정홀(102)내에 수용되며 , 고정부(116)는 고정홀(102)보다 큰 직경을 갖도록 반경방향 외측으로 확장되어 차체패널(100)에 면접촉하여 저항용접된다.The bolt 110 has a screw portion 112 penetrating the fixing hole 102 of the vehicle body panel 100, a ground portion 114 disposed in the hole 102, and a fixing portion welded to the vehicle body panel 100. 116 is integrally configured. The ground portion 114 is extended radially outward at the rear end of the bolt 110 to be accommodated in the fixing hole 102, and the fixing portion 116 is extended radially outward to have a larger diameter than the fixing hole 102. Resistance welding is performed by surface contact with the vehicle body panel 100.

도 4에 따르면, 상기 접지부(114)의 축방향 길이는 고정부(116)가 차체패널(100)에 용접된 상태에서 단부가 차체패널(100)의 상면으로 돌출되도록 차체패널(100)의 두께 보다 크게 구성된다.According to FIG. 4, the axial length of the ground portion 114 is such that the end portion protrudes to the upper surface of the vehicle body panel 100 in a state where the fixing portion 116 is welded to the vehicle body panel 100. It is made larger than the thickness.

다시 도 1을 보면, 상기 캡너트(120)는 차체패널(100)을 관통하는 나사부(112)에 나사결합되며 접지선의 단부에 연결되는 접지단자(42)를 접지부(114)상에 가압 고정하게 된다.Referring back to FIG. 1, the cap nut 120 is screwed to the threaded portion 112 penetrating the body panel 100 and is press-fixed to the grounding terminal 42 connected to the end of the grounding wire on the grounding portion 114. Done.

이와 같은 구성을 갖는 본 고안은 도 4에 도시된 바와 같이 고정홀(102)을 통해 나사부(112)를 삽입한 후 고정부(116)를 차체패널(100)에 밀접하게 유지시킨 상태에서 저항용접 등으로 고정한다. 이러한 상태에서 접지선(40)에 연결되어 있는 접지단자(42)를 나사부(112)에 끼우고 너트(120)를 나사부(112)에 체결하여 접지단자(42)를 접지부(114)상에 가압하는 것에 의해 접지작업이 이루어지게 된다. 따라서 볼트(110)는 고정부(116)가 차체패널(100)에 용접됨과 동시에 나사부(112)에 캡너트(120)가 나사결합되어 있으므로, 외부충격이 가해지거나 또는 장기간 사용에 따른 부식등으로 인해 용접부가 차체패널(100)로부터 이탈되어도 차체패널(100)로 부터 이탈되지 않으므로 접지단자(42)가 최초의 설치위치를 유지하게 된다.The present invention having the configuration as described above is resistance welding in a state in which the fixing part 116 is closely held to the vehicle body panel 100 after inserting the screw part 112 through the fixing hole 102 as shown in FIG. 4. Secure with a back. In this state, the ground terminal 42 connected to the ground wire 40 is inserted into the screw portion 112 and the nut 120 is fastened to the screw portion 112 to press the ground terminal 42 onto the ground portion 114. By doing this, the grounding work is done. Therefore, the bolt 110 is the fixed portion 116 is welded to the vehicle body panel 100 and the cap nut 120 is screwed to the threaded portion 112, so that the external impact is applied or corrosion due to long-term use Due to this, even if the welding part is separated from the body panel 100, the welding terminal is not separated from the body panel 100 so that the ground terminal 42 maintains the initial installation position.

한편, 캡너트(120)에 의해 접지부(114)에 가압되는 접지단자(42)는 고정홀(102)내에 수용되는 접지부(114)가 차체패널(100)의 상면으로 돌출되어 있으므로 차체패널(100)과 간섭되지 않으며 접지부(114)의 면상에 밀착된 상태를 유지하여 접지효율을 양호하게 유지할 수 있게 된다.On the other hand, the ground terminal 42 pressurized to the ground portion 114 by the cap nut 120, the ground portion 114 accommodated in the fixing hole 102 is projected to the upper surface of the body panel 100, the body panel It does not interfere with the 100 and maintains a state in which it is in close contact with the surface of the ground portion 114 can maintain a good grounding efficiency.

이상에서 상세히 설명한 바와 같이, 본 고안에 따른 자동차의 접지구조는 차체패널상에 고정홀을 형성하고 여기에 볼트를 삽입하여 너트체결함으로써 장기간 사용시에도 볼트가 이탈될 우려를 배제하게 되는 것은 물론 접지효율을 향상시킬 수 있는 효과를 갖는 것이다.As described above in detail, the grounding structure of the automobile according to the present invention forms a fixing hole on the body panel and inserts a bolt into the nut, thereby eliminating the fear of bolt dropping during long-term use, as well as grounding efficiency. It is to have the effect to improve.

Claims (2)

고정홀(102)이 관통 형성되는 차체패널(100)과;A body panel 100 through which the fixing holes 102 are formed; 고정홀(102)을 관통하여 차체패널(100)의 일측으로 돌출되는 나사부(112)와, 볼트(110)의 후단에서 반경방향 외측으로 확장되어 홀(102)내에 배치되는 접지부(114)와, 접지부(114)의 후단에서 고정홀(102)보다 크도록 반경방향 외측으로 확장되어 차체패널(100)에 용접되는 고정부(116)가 일체로 구성된 볼트(110)와;A screw part 112 protruding to one side of the vehicle body panel 100 through the fixing hole 102, a ground part 114 extending radially outward from the rear end of the bolt 110 and disposed in the hole 102; A bolt 110 integrally formed at a rear end of the grounding part 114 so as to extend radially outward from the fixing hole 102 to be welded to the vehicle body panel 100; 차체패널(100)을 관통하는 나사부(112)에 나사결합되며 접지단자(42)를 접지부(114)상에 가압 고정하는 캡너트(120)로 이루어진 자동차의 접지구조.Grounding structure of a vehicle made of a cap nut (120) screwed to the threaded portion 112 penetrating the body panel 100 and the ground terminal 42 is fixed to the grounding portion (114). 제 1항에 있어서, 상기 접지부(114)의 축방향 길이는 차체패널(100)의 두께 보다 크게 구성하여 고정부(116)의 용접후 차체패널(100)의 상부로 돌출되도록 함을 특징으로 하는 자동차의 접지구조.The method of claim 1, wherein the axial length of the ground portion 114 is configured to be larger than the thickness of the body panel 100 so as to protrude to the upper portion of the body panel 100 after welding of the fixing portion 116. Ground structure of the car.
KR2019970019914U 1997-07-26 1997-07-26 Grounding structure of automobile KR19990006448U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020052536A (en) * 2000-12-26 2002-07-04 이계안 Mounting method of earth wire
KR100422539B1 (en) * 2001-06-18 2004-03-12 현대자동차주식회사 earth terminal of vehicle
KR20040033491A (en) * 2002-10-14 2004-04-28 현대모비스 주식회사 Structure for fixing a ground terminal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020052536A (en) * 2000-12-26 2002-07-04 이계안 Mounting method of earth wire
KR100422539B1 (en) * 2001-06-18 2004-03-12 현대자동차주식회사 earth terminal of vehicle
KR20040033491A (en) * 2002-10-14 2004-04-28 현대모비스 주식회사 Structure for fixing a ground terminal

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