KR20050026927A - Contact pin - Google Patents

Contact pin Download PDF

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Publication number
KR20050026927A
KR20050026927A KR1020047019404A KR20047019404A KR20050026927A KR 20050026927 A KR20050026927 A KR 20050026927A KR 1020047019404 A KR1020047019404 A KR 1020047019404A KR 20047019404 A KR20047019404 A KR 20047019404A KR 20050026927 A KR20050026927 A KR 20050026927A
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KR
South Korea
Prior art keywords
screw terminal
single piece
piece screw
nickel
screw
Prior art date
Application number
KR1020047019404A
Other languages
Korean (ko)
Inventor
죠나단 휘마
에릭 지안넷
Original Assignee
텍스트론 패스닝 시스템즈
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Publication of KR20050026927A publication Critical patent/KR20050026927A/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Conductive Materials (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Forging (AREA)
  • Transmission Devices (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

The invention relates to a unitary contact pin, characterised in being made of an alloy of copper based on Cu, Ni and Si.

Description

접촉 핀{CONTACT PIN}Contact Pin {CONTACT PIN}

본 발명은 나사 단자(screw terminals)의 분야, 즉, 전도성을 실행하는 나사에 관한 것이다.FIELD OF THE INVENTION The present invention relates to the field of screw terminals, ie screws which carry out conductivity.

보다 정확하게는, 본 발명은 내연기관의 점화 회로에 간헐적인 전기적 접촉을 제공하도록 설계된 나사 분야에 관한 것이다.More precisely, the present invention relates to the field of screws designed to provide intermittent electrical contact to the ignition circuit of an internal combustion engine.

본래, 본 출원용 나사는 균일한 재료, 예컨대, 구리, 황동, 또는 강으로부터 대부분 제조되고 있다.Originally, screws for this application are mostly manufactured from a uniform material, such as copper, brass, or steel.

그럼에도 불구하고, 최근에, 나사 단자에 필요한 사양은 보다 엄격해졌다. 또, 전기 아크시 마모 정도를 감소하기 위해서 양호한 전기적 접촉과 전기 스파크에 견딜 수 있도록 요구되고 있다. 또한 과거보다 높은 수준의 토크로 체결될 수 있도록 보다 강인한 것이 요구되고 있다. 결국, 높은 전류를 통과하여, 양호한 전도성을 제공하는 것이 요구되고 있다.Nevertheless, in recent years, the specifications required for screw terminals have become stricter. In addition, it is required to withstand good electrical contact and electrical spark in order to reduce the degree of wear during electric arc. It is also required to be stronger so that it can be tightened at a higher level than the past. As a result, it is desired to pass high currents and provide good conductivity.

그 결과, 당분야의 당업자들은 최근에 두 물질로 제조된 나사, 즉 나사 본체를 강으로 제조하지만, 은/텅스텐 합금 펠렛(pellet)을 납땜할 수 있는 중공 헤드를 갖는 나사를 제안하였다.As a result, those skilled in the art have recently proposed screws made of two materials, i.e. screws made of steel, but having a hollow head capable of soldering silver / tungsten alloy pellets.

즉, 납땜된 은/텅스텐 펠렛을 갖는 강에 기초한 두 물질로 이루어진 나사는 유용하다.That is, a screw made of two materials based on steel with soldered silver / tungsten pellets is useful.

그럼에도 불구하고, 이런 나사는 고가라는 주요한 문제점을 유발한다. 이 비용은 그 중에서도 은/텅스텐의 가격에 기인한다. 천연자원 비용이 고가이고 두 가지의 요소, 첫째 강 본체와 둘째 은/텅스텐 펠릿을 유지할 필요가 있고, 비용 또한 조립 공정에서 발생한다.Nevertheless, these screws cause a major problem of high price. This cost is due, inter alia, to the price of silver / tungsten. The cost of natural resources is expensive and there is a need to maintain two components, the first steel body and the second silver / tungsten pellets, and the cost also comes from the assembly process.

본 발명의 목적은, 허용가능한 가격으로 매우 엄격한 사양을 만족할 수 있는 신규한 나사 단자를 제공하는 데에 있다.It is an object of the present invention to provide a novel screw terminal capable of satisfying very strict specifications at an acceptable price.

특히, 본 발명은 하기 사양을 만족하는 나사 단자를 제공한다.In particular, the present invention provides a screw terminal that satisfies the following specifications.

·580 메가파스칼(MPa) 이상의 강도;A strength of at least 580 megapascals (MPa);

·25% IACS (International Annealed Cooper Standard) 이상의 전도성; 및25% IACS (International Annealed Cooper Standard) or higher conductivity; And

·15 뉴톤 미터(Nm) 이상의 체결 토크.Tightening torque of 15 Newton meters (Nm) or more.

도 1은 본원 발명의 단면도이다.1 is a cross-sectional view of the present invention.

상기 목적은 Cu, Ni, 및 Si에 기초한 구리 합금으로 제조되는 것을 특징으로 하는 단일편의 나사 단자를 제공하는 본원 발명에 의해서 달성된다.This object is achieved by the present invention providing a single piece screw terminal, characterized in that it is made of a copper alloy based on Cu, Ni, and Si.

본 발명의 유리한 특징에 의하면, 나사 단자는 약 97% 구리, 2% 내지 5%, 통상적으로 2.5%의 니켈 및 0.3% 내지 1%, 통상적으로 0.5%의 실리콘을 구비하는 합금을 이용하여 제조된다.According to an advantageous feature of the invention, the screw terminals are made using an alloy comprising about 97% copper, 2% to 5%, typically 2.5% nickel and 0.3% to 1%, typically 0.5% silicon. .

본 발명의 다른 특징, 목적, 및 장점은 일 실시예를 나타내는 첨부 도면을 참조로 이하의 상세한 설명에서 서술하기로 한다.Other features, objects, and advantages of the invention will be described in the following detailed description with reference to the accompanying drawings which illustrate one embodiment.

본 발명에 따른 나사 단자(10)는 구리, 니켈 및 실리콘의 합금에 기초한 균일물질의 단일 형성편이다.The screw terminal 10 according to the invention is a single piece of homogeneous material based on an alloy of copper, nickel and silicon.

보다 정확하게는, 전술한 바와 같이, 본 발명에 따른 나사(10)는 약 97% 구리, 2% 내지 5%, 통상적으로 2.5%의 니켈 및 0.3% 내지 1%, 통상적으로 0.5%의 실리콘으로 이루어지는 합금으로 제조된다.More precisely, as mentioned above, the screw 10 according to the invention consists of about 97% copper, 2% to 5%, typically 2.5% nickel and 0.3% to 1%, typically 0.5% silicon. Made of alloy

바람직하게는, 본 발명의 관계에서, 나사(10)는 예컨대 2행정을 이용하여, 냉간 단조된 일정한 원형 단면의 라운드 와이어(round wire)로부터 제조된다.Preferably, in the context of the present invention, the screw 10 is made from a round wire of constant circular cross section cold forged, for example using two strokes.

이러한 종래 제조 방법 이후에, 나사는 약 475℃의 온도에서 두 시간의 기간 동안 열처리되고, 이어서 물에서 담금질 처리되는 것이 바람직하다.After this conventional manufacturing method, the screws are preferably heat treated at a temperature of about 475 ° C. for a period of two hours and then quenched in water.

본 발명자들은 특별한 마무리가 요구되지 않는 것을 알았다.The inventors have found that no special finish is required.

본 발명의 특정의 제한하지 않는 실시형태에 따른 나사 단자의 일반 형상을 이하에서 기술한다.The general shape of the screw terminal according to the specific non-limiting embodiment of the present invention is described below.

나사는 축선(14)을 중심으로 나사산 본체(12)를 포함한다.The screw comprises a threaded body 12 about an axis 14.

통상적으로, 한정하지 않는 방식이지만, 나사산 본체 또는 생크(12)는 약 30 밀리미터(mm) 내지 35 mm의 길이와, 약 8mm의 직경을 갖는다.Typically, but not by way of limitation, the threaded body or shank 12 has a length of about 30 millimeters (mm) to 35 mm and a diameter of about 8 mm.

생크 또는 본체(12)는 탭 보어(tapped bore)에 직접적으로 맞물리도록 이루어질 수 있다. 그럼에도 불구하고, 내연기관의 점화 회로에서 나사 단자의 대부분의 응용에서, 나사는 나사산 생크(12)의 단부에 맞물린 너트에 의해 적소에 유지된다.The shank or body 12 may be adapted to engage directly with a tapped bore. Nevertheless, in most applications of screw terminals in the ignition circuit of an internal combustion engine, the screw is held in place by a nut engaged with the end of the threaded shank 12.

나사(10)는, 회전 방지 기능을 실행하기 위해서, 예컨대 접촉기(contactor)의 커버에 형성된 상보적 소켓에 맞물림으로써 원형적으로 비대칭의 직각 단면의 플레어 헤드(flared head)(16)를 또한 갖고 있다.The screw 10 also has a flared head 16 of circularly asymmetric right-angled cross section, for example by engaging a complementary socket formed in the cover of a contactor, in order to perform the anti-rotation function. .

이 헤드(16)는 다양한 형상, 예컨대, 사각, 육각, 또는 원형적으로 비대칭의 다른 등가 형상의 직각 단면을 나타낼 수도 있다.The head 16 may exhibit right-angle cross sections of various shapes, such as square, hexagonal, or other equivalent shapes that are circularly asymmetric.

헤드(16)의 치수는 광범위하게 다양할 수도 있다. 통상적으로, 헤드(16)는 (축선(14)에 평행하게 측정시) 약 5 mm의 높이를 소유하고 직사각 단면의 헤드에 대해 약 13 mm x 10 mm의 치수를 갖고 있다.The dimensions of the head 16 may vary widely. Typically, the head 16 has a height of about 5 mm (measured parallel to the axis 14) and has dimensions of about 13 mm x 10 mm for the head of the rectangular cross section.

전기적 접촉 기능을 실행하는 헤드(16)의 상면(18), 즉 축선(14)에 수직한 면은 어떠한 단조 시임(forging seam) 또는 플래시(flash) 없이 평탄한 것이 바람직하다. 어떠한 오목 형상을 나타내지 않는 것이 중요하다. 또한, 그것은 볼록한 길이 만큼 다소 둥근 형상으로 이루어질 수도 있다. 또한 그것은 매끄럽다.The upper surface 18 of the head 16, ie the surface perpendicular to the axis 14, that performs the electrical contact function is preferably flat without any forging seams or flashes. It is important not to exhibit any concave shape. It may also be made somewhat rounded by convex length. Also it's smooth.

축선(14)에 평행하고 이에 수직한 헤드(16)의 모서리는, 약 0.4 mm 내지 0.5 mm의 평균 반경을 갖도록 둥글게 이루어지는 것이 바람직하다.The corner of the head 16 parallel to and perpendicular to the axis 14 is preferably rounded to have an average radius of about 0.4 mm to 0.5 mm.

전술한 바와 같이, 본 발명의 나사 단자(10)는 라운드 와이어(원선, round wire)로 제조되는 것이 바람직하다.As described above, the screw terminal 10 of the present invention is preferably made of a round wire (round wire).

본 발명에 따른 나사 단자(10)의 제조 방법은 기본적으로 세 단계로 이루어진다.The manufacturing method of the screw terminal 10 according to the present invention basically consists of three steps.

첫번째 단계는 소망의 직경과 강도를 얻기 위해서 공급 릴에서 풀리는 라운드 와이어를 와이어 드로우잉(wire drawing)하는 단계를 포함한다.The first step involves wire drawing the round wires unwound in the supply reel to achieve the desired diameter and strength.

통상적으로 이 단계는 하기의 특징을 만족하는 와이어를 얻기 위해서, 특정의 한정하지 않는 방식으로 실행된다.Typically this step is performed in a specific non-limiting manner to obtain a wire that satisfies the following features.

·8 mm의 직경을 갖는 최종 나사에 대해 직경 7.5 mm,7.5 mm in diameter for the final screw with a diameter of 8 mm,

·파괴 응력 R : 320MPa 내지 400 MPa,Fracture stress R: 320 MPa to 400 MPa,

·0.2% 탄성 한계 E : 290MPa 내지 380MPa,0.2% elastic limit E: 290 MPa to 380 MPa,

·연신율 : 10% 내지 20%,Elongation: 10% to 20%,

·HV10 스케일에서 빅커스 경도(Vickers hardness) : 105 내지 125.Vickers hardness on HV10 scale: 105 to 125.

두번째 단계는 나사에 소망하는 형상을 얻고 이를 단련하기 위해 와이어를 단조하는 단계를 포함한다. 이는 예컨대 2 행정을 이용하여, 냉간단조로 행해지는 것이 바람직하다.The second step involves forging the wire to obtain the desired shape for the screw and to anneal it. This is preferably done by cold forging, for example using two strokes.

세번째 단계는 적절한 강도와 전도성을 얻기 위해 열처리하는 단계를 포함한다.The third step involves heat treatment to obtain the appropriate strength and conductivity.

바람직하게는, 열처리는 2시간 동안 약 475℃의 온도를 유지하고, 즉 부품을 등온으로 유지하고, 공기, 또는 오일, 바람직하게는 물속에서 급랭함으로써 실행된다.Preferably, the heat treatment is carried out by maintaining a temperature of about 475 ° C. for 2 hours, ie keeping the parts isothermally and quenching in air or oil, preferably in water.

적절한 곳에서, 사용 이전에 부품은 세척될 수도 있다.Where appropriate, parts may be cleaned prior to use.

본 출원인은 당분야에 현재 이용가능한 나사보다 양호한 전술한 특징으로 규정한 형상, 합금 및 방법으로 나사 단자가 제조된 것을 알았다.Applicants have found that screw terminals are manufactured in the shape, alloy, and method defined by the above-described features better than the screws currently available in the art.

자연스럽게, 본 발명은 전술한 특정 실시 형태에 제한하지 않지만, 본 발명의 사상 범위 내에 적절한 변형으로 확장한다. Naturally, the present invention is not limited to the specific embodiments described above, but extends to appropriate modifications within the spirit of the present invention.

Claims (10)

Cu, Ni, 및 Si에 기초한 구리 합금으로 제조되는 것을 특징으로 하는 단일편 나사 단자.A single piece screw terminal, characterized in that it is made of a copper alloy based on Cu, Ni, and Si. 제1항에 있어서, 약 97%의 구리 퍼센트를 갖는 것을 특징으로 하는 단일편 나사 단자.The one-piece screw terminal of claim 1, having a copper percentage of about 97%. 제1항 또는 제2항에 있어서, 2% 내지 5% 범위에 놓이는 니켈 퍼센트를 갖는 것을 특징으로 하는 단일편 나사 단자.3. Single piece screw terminal according to claim 1 or 2, having a nickel percentage in the range of 2% to 5%. 제1항 내지 제3항 중 어느 한 항에 있어서, 약 2.5%의 니켈 퍼센트를 갖는 것을 특징으로 하는 단일편 나사 단자.The single piece screw terminal of claim 1, having a nickel percentage of about 2.5%. 제1항 내지 제4항 중 어느 한 항에 있어서, 0.3% 내지 1% 범위에 놓이는 실리콘 퍼센트를 갖는 것을 특징으로 하는 단일편 나사 단자.5. Single piece screw terminal according to any of the preceding claims, having a percent of silicon lying in the range of 0.3% to 1%. 제1항 내지 제5항 중 어느 한 항에 있어서, 약 0.5%의 니켈 퍼센트를 갖는 것을 특징으로 하는 단일편 나사 단자.6. Single piece screw terminal according to any of the preceding claims, having a nickel percentage of about 0.5%. 제1항 내지 제6항 중 어느 한 항에 있어서, 나사의 플레어 헤드(flare head)(16)의 상면(18)은 평탄하거나 또는 볼록 형상으로 다소 둥글며, 완전하게 매끄러운 것을 특징으로 하는 단일편 나사 단자.7. Single piece screw according to any one of the preceding claims, characterized in that the top face 18 of the flare head 16 of the screw is flat or convex, somewhat rounded and completely smooth. Terminals. 제1항 내지 제7항 중 어느 한 항 기재의 나사 단자를 제조하는 방법에 있어서, 구리, 니켈, 및 실리콘을 함유하는 라운드 와이어(round wire)를 와이어 드로잉하는 단계와, 적어도 하나의 단조 작업을 실행하고, 이어서 열처리하는 단계를 포함하는 것을 특징으로 하는 나사 단자 제조 방법.8. A method of manufacturing a screw terminal according to any one of claims 1 to 7, comprising the steps of: wire drawing a round wire containing copper, nickel and silicon, and at least one forging operation. And performing a heat treatment. 제8항에 있어서, 상기 단조 단계는 2행정을 이용하여, 냉간 단조하는 단계를 포함하는 것을 특징으로 하는 나사 단자 제조 방법.10. The method of claim 8, wherein the forging step comprises cold forging using two strokes. 제8항 또는 제9항에 있어서, 상기 열처리 단계는 약 두 시간의 지속 동안 약 475℃의 온도를 유지하고, 이어서 급랭하는 단계를 포함하는 것을 특징으로 하는 나사 단자 제조 방법.10. The method of claim 8 or 9, wherein the heat treatment step comprises maintaining a temperature of about 475 ° C for a duration of about two hours, and then quenching.
KR1020047019404A 2002-05-29 2003-05-27 Contact pin KR20050026927A (en)

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FR0206583A FR2840460B1 (en) 2002-05-29 2002-05-29 TERMINAL SCREWS
FR02/06583 2002-05-29

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US3788966A (en) * 1972-06-07 1974-01-29 Basf Wyandotte Corp Electrical connections for metal electrodes
US4656003A (en) * 1984-10-20 1987-04-07 Kabushiki Kaisha Kobe Seiko Sho Copper alloy and production of the same
US4692192A (en) * 1984-10-30 1987-09-08 Ngk Insulators, Ltd. Electroconductive spring material
JPS648237A (en) * 1987-06-29 1989-01-12 Mitsubishi Electric Corp Copper alloy for terminal and connector
JPH0776397B2 (en) * 1989-07-25 1995-08-16 三菱伸銅株式会社 Cu alloy electrical equipment connector
JP2977845B2 (en) * 1990-01-30 1999-11-15 株式会社神戸製鋼所 Migration resistant copper alloy for terminals and connectors with excellent spring characteristics, strength and conductivity
FR2692632B1 (en) * 1992-06-19 1995-12-01 Dubuis INSERT TO BE REPORTED AND FIXED IN AN ELEMENT.
DE20117689U1 (en) * 2001-11-01 2002-02-14 Daume Karin Device for electrically contacting an electrically conductive part of an elongated body, in particular a pipe or cable

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SE0402893A0 (en) 2004-11-29
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US20060162827A1 (en) 2006-07-27

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