JP2012064549A - Spring connector - Google Patents

Spring connector Download PDF

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Publication number
JP2012064549A
JP2012064549A JP2010210191A JP2010210191A JP2012064549A JP 2012064549 A JP2012064549 A JP 2012064549A JP 2010210191 A JP2010210191 A JP 2010210191A JP 2010210191 A JP2010210191 A JP 2010210191A JP 2012064549 A JP2012064549 A JP 2012064549A
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Prior art keywords
contact
coil spring
spring
bending
plate portion
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JP2010210191A
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JP5190741B2 (en
Inventor
Kiyoshi Asai
浅井　　清
Manabu Dobashi
学 土橋
Toru Yoshida
徹 吉田
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SMK Corp
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SMK Corp
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Priority to JP2010210191A priority Critical patent/JP5190741B2/en
Priority to KR1020110013947A priority patent/KR101427643B1/en
Priority to TW100105250A priority patent/TWI485916B/en
Priority to CN201110151914.4A priority patent/CN102412462B/en
Publication of JP2012064549A publication Critical patent/JP2012064549A/en
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    • 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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
    • 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
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/16—Connectors or connections adapted for particular applications for telephony
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

PROBLEM TO BE SOLVED: To make a portion of a contact protruding from a housing smaller than the diameter of a coil spring, and to prevent the coil spring from jumping out of the contact.SOLUTION: A contact 26 urged by a coil spring 27 is provided in a housing 24 to advance and retract freely, and a terminal 25 connected electrically with the contact 26 is provided fixedly in a spring connector. The contact 26 is formed by bending a conductive metal plate having a width narrower than the diameter of the coil spring 27. A protrusion 26d which prevents dislocation of the coil spring 27 is provided integrally on the rear surface of the contact 26 at the top plate part 26b which comes into electrical contact with other apparatus.

Description

本発明は、主として携帯電話機その他の小型電子機器におけるバッテリのコネクタとして使用され、ポゴピン、スプリングプローブなどとも呼ばれるスプリングコネクタに関するものである。   The present invention relates to a spring connector which is mainly used as a battery connector in a mobile phone or other small electronic devices and is also called a pogo pin or a spring probe.

この種の従来のスプリングコネクタは、円筒管からなる円筒状外ピンの中に、コイルスプリングにより付勢された無垢の丸棒からなる円柱状内ピンを進退自在に嵌合し、この円柱状内ピンの先端部を円筒状外ピンから突出させ、この突出端部をバッテリの端子に圧接して電気的に接続するものである。
このようなスプリングコネクタは、金属の円柱状内ピンと円筒状外ピンにハウジングへの係止突起部、端子部、円筒状外ピンと円柱状内ピンの相互の係合部などを形成するために、切断加工、絞り加工などを旋盤やプレス機により面倒な加工を行わなければならず、コスト高になるという問題があった。 In this type of conventional spring connector, a cylindrical inner pin made of a solid round bar urged by a coil spring is slidably fitted into a cylindrical outer pin made of a cylindrical tube. The tip of the pin is protruded from the cylindrical outer pin, and the protruding end is pressed against and electrically connected to the battery terminal.
Such a spring connector has a metal columnar inner pin and a cylindrical outer pin to form a locking projection, a terminal portion, a mutual engagement portion between the cylindrical outer pin and the columnar inner pin, etc. There is a problem that the cutting process, the drawing process, and the like have to be performed by a lathe or a press machine, which increases the cost.

金属の無垢の丸棒や円筒管の切断加工、絞り加工などにより形成されたものに代えて、図７及び図８に示すような一枚の導電性金属板を型抜きし、折り曲げ加工して外ピンと内ピンを角筒状に形成したものが知られている（特許文献１）。
これらの図において、従来のスプリングコネクタ１０は、角筒状外ピン１１と角筒状内ピン１２とコイルスプリング１３とからなる。
前記角筒状外ピン１１は、一枚の導電性金属板を背板部１１ａ、側板部１１ｂ、前板部１１ｃ、切り欠き１１ｄ、係止片部１１ｅ、底板部１１ｆ、端子部１１ｇとなるように型抜きし、折れ線の箇所を折り曲げ加工して角筒状に形成したものである。この角筒状外ピン１１における上半分の前板部１１ｃは、１／２の幅のものを左右から突き合わせることにより、切り欠き１１ｄ部分がガイド溝１９を構成している。また、左右の係止片部１１ｅを外側に折り曲げて係止片２３を構成し、左右の底板部１１ｆを折り曲げて底板を構成し、この底板から端子部１１ｇを下向きに折り曲げて端子片２０を構成している。 Instead of the one formed by cutting or drawing a solid metal round bar or cylindrical tube, a single conductive metal plate as shown in FIGS. 7 and 8 is punched and bent. An outer pin and an inner pin formed into a rectangular tube shape is known (Patent Document 1).
In these drawings, a conventional spring connector 10 includes a rectangular tubular outer pin 11, a rectangular cylindrical inner pin 12, and a coil spring 13.
The rectangular cylindrical outer pin 11 is composed of a single conductive metal plate as a back plate portion 11a, a side plate portion 11b, a front plate portion 11c, a notch 11d, a locking piece portion 11e, a bottom plate portion 11f, and a terminal portion 11g. In this way, the die is cut out and the portion of the broken line is bent to form a square tube. The front plate portion 11c of the upper half of the rectangular cylindrical outer pin 11 is abutment of a half width from the left and right, so that the notch 11d portion constitutes the guide groove 19. Further, the left and right locking pieces 11e are bent outward to form the locking pieces 23, the left and right bottom plate portions 11f are bent to form the bottom plate, and the terminal pieces 11g are bent downward from the bottom plate to detach the terminal pieces 20 from the bottom plate. It is composed.

前記角筒状内ピン１２は、一枚の導電性金属板を背板部１２ａ、側板部１２ｂ、前板部１２ｃ、ガイド片部１２ｄ、接触片部１２ｅとなるように型抜きし、折れ線の箇所を折り曲げ加工して前記角筒状外ピン１１内に遊嵌するように角筒状に形成したものである。この角筒状内ピン１２における下方部のガイド片部１２ｄは、外向きに突出するように左右から突き合わせることにより、前記ガイド溝１９に係合しつつ進退するガイド突片２１を構成している。また、上端の接触片部１２ｅを弧状に折り曲げて前板部１２ｃに係止することにより接触部２２を構成している。   The square cylindrical inner pin 12 is formed by cutting a single conductive metal plate into a back plate portion 12a, a side plate portion 12b, a front plate portion 12c, a guide piece portion 12d, and a contact piece portion 12e. The portion is bent and formed into a square tube shape so as to be loosely fitted into the rectangular tube-shaped outer pin 11. The lower guide piece 12d of the square cylindrical inner pin 12 forms a guide protrusion 21 that moves forward and backward while engaging with the guide groove 19 by abutting from the left and right so as to protrude outward. Yes. Moreover, the contact part 22 is comprised by bend | folding the contact piece part 12e of an upper end in the arc shape, and latching to the front board part 12c.

以上のように構成された角筒状外ピン１１と角筒状内ピン１２の中にコイルスプリング１３を収容し、図７に示すように、ハウジング１４と回路基板１５の間に、上ホルダー１６と下ホルダー１７で垂直に保持する。すると、角筒状外ピン１１の端子片２０が回路基板１５に電気的に接続され、角筒状外ピン１１の係止片２３は、下ホルダー１７と上ホルダー１６に挟まれて固定される。角筒状内ピン１２は、そのガイド突片２１が角筒状外ピン１１のガイド溝１９にガイドされてコイルスプリング１３により上端部の接触部２２が角筒状外ピン１１から突出している。
このような構成において、電池パック１８等の他の機器の端子部を角筒状内ピン１２の接触部２２に接触させて押し込むと、コイルスプリング１３に抗して角筒状内ピン１２が押し下げられ、角筒状内ピン１２、角筒状外ピン１１、端子片２０を経て回路基板１５に電気的に接続される。 The coil spring 13 is accommodated in the rectangular cylindrical outer pin 11 and the rectangular cylindrical inner pin 12 configured as described above, and the upper holder 16 is interposed between the housing 14 and the circuit board 15 as shown in FIG. And hold it vertically with the lower holder 17. Then, the terminal piece 20 of the rectangular tube-shaped outer pin 11 is electrically connected to the circuit board 15, and the locking piece 23 of the rectangular tube-shaped outer pin 11 is sandwiched and fixed between the lower holder 17 and the upper holder 16. . In the rectangular cylindrical inner pin 12, the guide protrusion 21 is guided by the guide groove 19 of the rectangular cylindrical outer pin 11, and the contact portion 22 at the upper end protrudes from the rectangular cylindrical outer pin 11 by the coil spring 13.
In such a configuration, when the terminal portion of another device such as the battery pack 18 is pressed in contact with the contact portion 22 of the rectangular tubular inner pin 12, the rectangular tubular inner pin 12 is pushed down against the coil spring 13. Then, it is electrically connected to the circuit board 15 via the square cylindrical inner pin 12, the rectangular cylindrical outer pin 11, and the terminal piece 20.

ＷＯ２００５／１１２２００号公報WO2005 / 112200 publication

従来のスプリングコネクタ１０には、次のような問題があった。
（１）角筒状外ピン１１と角筒状内ピン１２は、一枚の導電性金属板の打ち抜きと折り曲げ加工であるから加工が簡単であるという効果と、角筒状内ピン１２の内部にコイルスプリング１３を収容するので、全体の高さも低くできるという効果を有する。
しかし、角筒状内ピン１２の内部にコイルスプリング１３が収容され、この角筒状内ピン１２を角筒状外ピン１１に進退自在に嵌合するものであるから、角筒状内ピン１２の内部の縦横の寸法がコイルスプリング１３の直径より大きいこと、角筒状外ピン１１は、角筒状内ピン１２を遊嵌するものであるから、角筒状外ピン１１の内部の縦横の寸法が角筒状内ピン１２の縦横の寸法よりさらに大きいことが必要となり、スプリングコネクタ１０全体の形状の小型化に限度があった。
（２）角筒状外ピン１１と角筒状内ピン１２は、それぞれ背板部、側板部、前板部その他の複雑な形状に打ち抜き、折り曲げ加工していたので、やはり依然として加工性に問題があった。 The conventional spring connector 10 has the following problems.
(1) Since the rectangular cylindrical outer pin 11 and the rectangular cylindrical inner pin 12 are punching and bending of a single conductive metal plate, the processing is easy, and the inside of the rectangular cylindrical inner pin 12 Since the coil spring 13 is accommodated in this, the overall height can be lowered.
However, since the coil spring 13 is accommodated inside the square cylindrical inner pin 12 and this square cylindrical inner pin 12 is fitted to the square cylindrical outer pin 11 so as to be able to advance and retreat, the square cylindrical inner pin 12 is fitted. The inside and outside dimensions of the rectangular tube are larger than the diameter of the coil spring 13, and the square cylindrical outer pin 11 is loosely fitted to the square cylindrical inner pin 12. The dimension needs to be larger than the vertical and horizontal dimensions of the square cylindrical inner pin 12, and there is a limit to downsizing the overall shape of the spring connector 10.
(2) Since the rectangular cylindrical outer pin 11 and the rectangular cylindrical inner pin 12 are punched and bent into a back plate portion, a side plate portion, a front plate portion and other complicated shapes, respectively, there is still a problem in workability. was there.

本発明の目的は、コンタクトのハウジングからの突出部分をコイルスプリングの直径よりも小さくでき、かつ、コイルスプリングがコンタクトから外れて飛び出さないようにすることにある。   An object of the present invention is to make the protruding portion of the contact from the housing smaller than the diameter of the coil spring, and to prevent the coil spring from coming out of the contact and jumping out.

本発明による請求項１記載のスプリングコネクタは、ハウジングに、コイルスプリングで付勢されたコンタクトを進退自在に設けるとともに、このコンタクトと電気的に接続したターミナルを固定的に設けたスプリングコネクタにおいて、前記コンタクトは、導電性金属板の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の裏面に、前記コイルスプリングの外れ防止用係止突部を一体に設けたことを特徴とする。   A spring connector according to a first aspect of the present invention is the spring connector, wherein the housing is provided with a contact urged by a coil spring so as to freely advance and retreat, and a terminal electrically connected to the contact is fixedly provided. The contact is processed by bending a conductive metal plate, and a locking projection for preventing the coil spring from coming off is integrally provided on the back surface of the top plate portion that is in electrical contact with other devices in the contact. Features.

本発明による請求項２記載のスプリングコネクタは、コイルスプリングの外れ防止用係止突部は、少なくともコイルスプリングの端部の水平な座巻き部に係合する長さとしたことを特徴とする。   The spring connector according to a second aspect of the present invention is characterized in that the locking protrusion for preventing the coil spring from coming off has a length that engages at least a horizontal end turn of the end of the coil spring.

本発明による請求項３記載のスプリングコネクタは、コンタクトは、細長い導電性金属板のＵ字形の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の裏面に、コイルスプリングの外れ防止用係止突部をプレス絞り加工により一体に設けたことを特徴とする。   According to a third aspect of the present invention, there is provided the spring connector according to the present invention, wherein the contacts are processed by U-shaped bending of an elongated conductive metal plate, and a coil spring is formed on the back surface of the top plate portion that is in electrical contact with other devices in the contacts. This is characterized in that the locking protrusions for preventing detachment are integrally provided by press drawing.

本発明による請求項４記載のスプリングコネクタは、コンタクトは、細長い導電性金属板のＵ字形の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の幅をコイルスプリングの内径より小さくし、この天板部の裏面に、コイルスプリングの外れ防止用係止突部を折り曲げ加工により一体に設けたことを特徴とする。   In the spring connector according to claim 4 of the present invention, the contact is processed by bending an elongated conductive metal plate in a U-shape, and the width of the top plate portion that makes electrical contact with other devices in this contact is set to the coil spring. It is smaller than the inner diameter, and a locking protrusion for preventing the coil spring from coming off is integrally provided on the back surface of the top plate by bending.

本発明による請求項５記載のスプリングコネクタは、コンタクトにおける天板部の他の機器と電気的に接触する面に、膨出した接触部を一体に設けたことを特徴とする。   The spring connector according to claim 5 of the present invention is characterized in that a bulging contact portion is integrally provided on a surface of the contact that is in electrical contact with other devices of the top plate portion.

請求項１記載の発明によれば、ハウジングに、コイルスプリングで付勢されたコンタクトを進退自在に設けるとともに、このコンタクトと電気的に接続したターミナルを固定的に設けたスプリングコネクタにおいて、前記コンタクトは、導電性金属板の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の裏面に、前記コイルスプリングの外れ防止用係止突部を一体に設けたので、コンタクトの幅をコイルスプリングの直径よりも小さくして、コイルスプリングの一部がコンタクトからはみ出してもコンタクトの進退動でコイルスプリングが外れることがない。また、コンタクトの幅をコイルスプリングの直径よりも小さくすることによりスプリングコネクタの形状をより小型化できる。   According to the first aspect of the invention, in the spring connector in which the contact urged by the coil spring is provided in the housing so as to be able to advance and retreat, and the terminal electrically connected to the contact is fixedly provided. Since the conductive metal plate is processed by bending, and the contact protrusion for preventing the coil spring from coming off is integrally provided on the back surface of the top plate portion that is in electrical contact with other devices in this contact. Even if a part of the coil spring protrudes from the contact by making the width smaller than the diameter of the coil spring, the coil spring does not come off due to the forward and backward movement of the contact. Moreover, the shape of the spring connector can be further reduced by making the contact width smaller than the diameter of the coil spring.

請求項２記載の発明によれば、コイルスプリングの外れ防止用係止突部は、少なくともコイルスプリングの端部の水平な座巻き部に係合する長さとしたので、コンタクトの進退動が繰り返し行われてもコイルスプリングが外れて飛び出るようなことがない。   According to the second aspect of the present invention, since the locking protrusion for preventing the coil spring from coming off has a length that engages at least the horizontal end portion of the coil spring, the contact is repeatedly advanced and retracted. Even if it is broken, the coil spring will not come off and jump out.

請求項３記載の発明によれば、コンタクトは、細長い導電性金属板のＵ字形の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の裏面に、コイルスプリングの外れ防止用係止突部をプレス絞り加工により一体に設けたので、プレス絞り加工と折り曲げ加工との一連の加工により簡単に形成することができる。   According to the third aspect of the present invention, the contact is processed by bending the elongated conductive metal plate into a U shape, and the coil spring is disengaged on the back surface of the top plate portion that is in electrical contact with other devices in the contact. Since the prevention locking projections are integrally provided by press drawing, they can be easily formed by a series of press drawing and bending processes.

請求項４記載の発明によれば、コンタクトは、細長い導電性金属板のＵ字形の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の幅をコイルスプリングの内径より小さくし、この天板部の裏面に、コイルスプリングの外れ防止用係止突部を折り曲げ加工により一体に設けたので、全ての加工を一連のプレス加工により簡単に形成することができる。   According to the fourth aspect of the present invention, the contact is processed by bending the U-shaped elongated conductive metal plate, and the width of the top plate portion that is in electrical contact with other devices in the contact is made larger than the inner diameter of the coil spring. Since the locking projection for preventing the coil spring from coming off is integrally formed on the back surface of the top plate portion by bending, all processing can be easily formed by a series of press processing.

請求項５記載の発明によれば、コンタクトにおける天板部の他の機器と電気的に接触する面に、膨出した接触部を一体に設けたので、天板部の裏面にコイルスプリングの外れ防止用係止突部を一体に設けても、天板部の表面の接触部における他の機器との接触をより確実にすることができる。   According to the fifth aspect of the present invention, since the bulging contact portion is integrally provided on the surface of the contact that is in electrical contact with other devices on the top plate portion, the coil spring is detached from the back surface of the top plate portion. Even if the locking protrusions for prevention are provided integrally, contact with other devices at the contact portion on the surface of the top plate portion can be made more reliable.

本発明によるスプリングコネクタの実施例１を示すもので、図４におけるＡ−Ａ線断面図である。Example 1 of the spring connector by this invention is shown, and it is the sectional view on the AA line in FIG. 同上、図４におけるＢ−Ｂ線断面図である。FIG. 5 is a sectional view taken along line BB in FIG. 4. 同上、正面図である。It is a front view same as the above. 同上、平面図である。It is a top view same as the above. 同上、ターミナル２５とコンタクト２６の斜視図である。It is a perspective view of the terminal 25 and the contact 26 same as the above. 本発明によるスプリングコネクタの実施例２を示すコンタクト２６の斜視図である。It is a perspective view of the contact 26 which shows Example 2 of the spring connector by this invention. 従来のスプリングコネクタの断面図である。It is sectional drawing of the conventional spring connector. 同上、角筒状外ピン１１と角筒状内ピン１２の斜視図である。It is a perspective view of the rectangular tube-shaped outer pin 11 and the rectangular tube-shaped inner pin 12 as above.

本発明は、ハウジング２４に、コイルスプリング２７で付勢されたコンタクト２６を進退自在に設けるとともに、このコンタクト２６と電気的に接続したターミナル２５を固定的に設けたスプリングコネクタにおいて、前記コンタクト２６は、コイルスプリング２７の直径より細幅の導電性金属板の折り曲げにより加工し、このコンタクト２６における他の機器と電気的に接触する天板部２６ｂの裏面に、前記コイルスプリング２７の外れ防止用係止突部２６ｄを一体に設ける。   According to the present invention, a contact 26 urged by a coil spring 27 is provided in a housing 24 so as to freely advance and retract, and a spring connector in which a terminal 25 electrically connected to the contact 26 is fixedly provided. The coil spring 27 is prevented from coming off on the back surface of the top plate portion 26b which is processed by bending a conductive metal plate having a width narrower than the diameter of the coil spring 27 and electrically contacts other devices. The stop protrusion 26d is provided integrally.

前記コイルスプリング２７の外れ防止用係止突部２６ｄは、コイルスプリング２７の端部の水平な座巻き部２７ａと、この座巻き部２７ａに続く少なくとも１巻きの螺旋部２７ｂに係合する長さとする。   The locking projection 26d for preventing the coil spring 27 from coming off has a length that engages with a horizontal end winding portion 27a at the end of the coil spring 27 and at least one spiral portion 27b following the end winding portion 27a. To do.

前記コンタクト２６は、細長い導電性金属板のＵ字形の折り曲げにより加工し、このコンタクト２６における他の機器と電気的に接触する天板部２６ｂの裏面に、コイルスプリング２７の外れ防止用係止突部２６ｄをプレス絞り加工により一体に設ける。   The contact 26 is processed by bending a long and narrow conductive metal plate into a U-shape, and a locking projection for preventing the coil spring 27 from coming off is formed on the back surface of the top plate portion 26b that is in electrical contact with other devices in the contact 26. The part 26d is integrally provided by press drawing.

前記コンタクト２６は、細長い導電性金属板のＵ字形の折り曲げにより加工し、このコンタクト２６における他の機器と電気的に接触する天板部２６ｂの幅をコイルスプリング２７の内径より小さくし、この天板部２６ｂの裏面に、コイルスプリング２７の外れ防止用係止突部２６ｄを折り曲げ加工により一体に設ける。   The contact 26 is processed by bending a long and narrow conductive metal plate into a U-shape, and the width of the top plate portion 26b in electrical contact with other equipment in the contact 26 is made smaller than the inner diameter of the coil spring 27. On the back surface of the plate portion 26b, a locking protrusion 26d for preventing the coil spring 27 from coming off is integrally provided by bending.

前記コンタクト２６における天板部２６ｂの他の機器と電気的に接触する面に、膨出した接触部２６ｅを一体に設ける。   A bulging contact portion 26e is integrally provided on a surface of the contact 26 that is in electrical contact with other devices of the top plate portion 26b.

本発明の実施例１を図１ないし図５に基づき説明する。
本発明によるスプリングコネクタは、ハウジング２４とターミナル２５とコンタクト２６とコイルスプリング２７からなる。
前記ターミナル２５は、導電性金属板を１個ずつ型抜きし、折り曲げ加工することができるが、本発明では、長い導電性金属板を所定間隔で複数個連鎖的に型抜きしたのち、折り曲げ加工したものである。
図５に示すように、このターミナル２５は、底板部２５ａの両側からくの字状に折曲して垂直に立ち上がらせた２個の接触片部２５ｂと、前記底板部２５ａの前後から係止孔部２５ｅをくり抜いて垂直に立ち上がらせた２個の係止片部２５ｄと、このくり抜いた部分の底板部２５ａから水平方向に伸びた２個の端子部２５ｃで構成されている。 A first embodiment of the present invention will be described with reference to FIGS.
The spring connector according to the present invention comprises a housing 24, a terminal 25, a contact 26 and a coil spring 27.
The terminal 25 can be formed by punching one conductive metal plate at a time and bending it. In the present invention, a plurality of long conductive metal plates are punched in series at a predetermined interval and then bent. It is a thing.
As shown in FIG. 5, the terminal 25 has two contact pieces 25b bent vertically from both sides of the bottom plate portion 25a and vertically raised, and latched from the front and rear of the bottom plate portion 25a. It is composed of two locking piece portions 25d that are cut out from the hole portion 25e and vertically raised, and two terminal portions 25c that extend in the horizontal direction from the bottom plate portion 25a of the cut out portion.

前記コンタクト２６は、導電性金属板を１個ずつ型抜きし、折り曲げ加工することができるが、本発明では、前記ターミナル２５と同様、長い導電性金属板を所定間隔で複数個連鎖的に型抜きしたのち、折り曲げ加工したものである。
図５に示すように、前記コンタクト２６は、その幅ｄが前記コイルスプリング２７の直径よりも細長い導電性金属板の中間部にプレス絞り加工などにより係止突部２６ｄを形成し、この係止突部２６ｄを形成した部分が天板部２６ｂとなるようにＵ字形に折曲して両側に側板部２６ａを形成し、これらの側板部２６ａの端部の両側に係合突部２６ｃを形成している。このため、両側板部２６ａ以外の２つの面は、開口した窓を形成している。前記係止突部２６ｄは、天板部２６ｂの内側に十分に突出させることにより、少なくとも後述するコイルスプリング２７の端部の水平な座巻部２７ａとこれに続く１つ目の螺旋部２７ｂに係合してコンタクト２６の進退動時に簡単に外れないような長さに構成されている。前記天板部２６ｂの上面には、電池パック１８等の他の機器の端子部との接触を良好にするためにリング状にわずかに膨出した接触部２６ｅを形成することが好ましい。このコンタクト２６は、その２枚の側板部２６ａの内側寸法が前記コイルスプリング２７の外径よりわずかに大きいが、側板部２６ａの幅ｄが前記コイルスプリング２７の外径より小さくすることにより、可能な限り小型化を図っている。 The contact 26 can be formed by punching one conductive metal plate at a time and bending it. In the present invention, like the terminal 25, a plurality of long conductive metal plates are chained at predetermined intervals. After being extracted, it is bent.
As shown in FIG. 5, the contact 26 has a locking projection 26d formed by press drawing or the like in the middle portion of the conductive metal plate whose width d is longer than the diameter of the coil spring 27. The side plate portions 26a are formed on both sides by bending in a U shape so that the portion where the projections 26d are formed becomes the top plate portion 26b, and the engagement projections 26c are formed on both sides of the end portions of these side plate portions 26a. is doing. For this reason, the two surfaces other than the side plate portions 26a form an open window. The locking protrusion 26d sufficiently protrudes to the inside of the top plate portion 26b, so that at least a horizontal end winding portion 27a at the end of a coil spring 27, which will be described later, and a first spiral portion 27b that follows the horizontal winding portion 27b. The length of the contact 26 is such that the contact 26 does not easily come off when the contact 26 moves forward and backward. It is preferable to form a contact portion 26e slightly swelled in a ring shape on the top surface of the top plate portion 26b in order to make good contact with the terminal portions of other devices such as the battery pack 18. The contact 26 has an inner dimension of the two side plate portions 26 a slightly larger than the outer diameter of the coil spring 27, but is possible by making the width d of the side plate portion 26 a smaller than the outer diameter of the coil spring 27. We are trying to reduce the size as much as possible.

前記コイルスプリング２７は、図１及び図２に示すように、両端の水平な座巻部２７ａの外径を螺旋部２７ｂよりわずかに小さくしてこの座巻部２７ａに続く螺旋部２７ｂの内側に密着させている。   As shown in FIGS. 1 and 2, the coil spring 27 has an outer diameter of a horizontal end winding portion 27a at both ends slightly smaller than that of the spiral portion 27b, and is located inside the spiral portion 27b following the end turn portion 27a. It is in close contact.

前記ハウジング２４は、絶縁性合成樹脂又は導電性金属材料からなり、図１ないし図４に示すように、略直方体をなし、前記ターミナル２５とコンタクト２６とコイルスプリング２７からなる１組のスプリングコネクタが組み込まれる例を示している。しかし、前記ハウジング２４は、複数組のスプリングコネクタを所定間隔で組み込むものであってもよい。
前記ハウジング２４は、垂直方向に前記コンタクト２６を遊嵌して進退するためのコンタクト突出孔２４ａを貫通形成し、このコンタクト突出孔２４ａの両側にターミナル２５の接触片部２５ｂを挿入する接触片収納溝２４ｂが形成され、さらに、前記コンタクト２６の係合突部２６ｃが進退するが所定以上突出しないように段部２４ｆを有する係合突部案内溝２４ｃが底部側から形成されている。前記ハウジング２４の外側の２面には、前記係止片部２５ｄが下から嵌め込まれる浅い溝部２４ｅとこの溝部２４ｅの中間部に係止突部２４ｄが設けられている。 The housing 24 is made of an insulating synthetic resin or a conductive metal material. As shown in FIGS. 1 to 4, the housing 24 has a substantially rectangular parallelepiped shape, and includes a pair of spring connectors including the terminal 25, the contact 26, and the coil spring 27. An example to be incorporated is shown. However, the housing 24 may incorporate a plurality of sets of spring connectors at predetermined intervals.
The housing 24 is formed with a contact projection hole 24a through which the contact 26 is loosely fitted in the vertical direction so as to advance and retreat, and a contact piece housing 25b for inserting the contact piece portions 25b of the terminal 25 on both sides of the contact projection hole 24a. A groove 24b is formed, and an engagement protrusion guide groove 24c having a step 24f is formed from the bottom side so that the engagement protrusion 26c of the contact 26 advances and retreats but does not protrude more than a predetermined amount. On the two outer surfaces of the housing 24, a shallow groove portion 24e into which the locking piece portion 25d is fitted from below, and a locking protrusion 24d are provided at an intermediate portion of the groove portion 24e.

以上のような構成によるハウジング２４に、コンタクト２６とコイルスプリング２７とターミナル２５を組み立てる順序を説明する。
ハウジング２４のコンタクト突出孔２４ａに底部側からコンタクト２６を嵌合する。すると、コンタクト２６の係合突部２６ｃが係合突部案内溝２４ｃに沿って段部２４ｆに係止するまでスライドし、天板部２６ｂ側がハウジング２４の上面から突出する。
つぎに、コンタクト突出孔２４ａに底部側からコイルスプリング２７を挿入する。すると、コイルスプリング２７の上端の座巻部２７ａとこれに続く螺旋部２７ｂが係止突部２６ｄに嵌合する。 The order in which the contact 26, the coil spring 27, and the terminal 25 are assembled to the housing 24 having the above-described configuration will be described.
The contact 26 is fitted into the contact protrusion hole 24a of the housing 24 from the bottom side. Then, the contact protrusion 26c of the contact 26 slides along the engagement protrusion guide groove 24c until it is locked to the stepped portion 24f, and the top plate portion 26b side protrudes from the upper surface of the housing 24.
Next, the coil spring 27 is inserted into the contact protruding hole 24a from the bottom side. Then, the end winding part 27a of the upper end of the coil spring 27 and the spiral part 27b following this engage with the locking protrusion 26d.

つぎに、接触片収納溝２４ｂに底部側からコイルスプリング２７の両側の接触片部２５ｂを挿入するとともに、溝部２４ｅに両側の係止片部２５ｄを嵌め込む。コイルスプリング２７の下端部がハウジング２４の底部側から突出しているが、底板部２５ａでコイルスプリング２７に抗して押し込むと、係止孔部２５ｅが係止突部２４ｄを乗り越えて係止する。このとき、コイルスプリング２７が圧縮されるので、コンタクト２６は、係合突部２６ｃが係合突部案内溝２４ｃの上方段部２４ｆで係止し、コンタクト２６がハウジング２４から突出して組み立てが完了する。   Next, the contact piece portions 25b on both sides of the coil spring 27 are inserted into the contact piece storage groove 24b from the bottom side, and the locking piece portions 25d on both sides are fitted into the groove portion 24e. The lower end portion of the coil spring 27 protrudes from the bottom side of the housing 24. When the bottom plate portion 25a is pushed against the coil spring 27, the locking hole portion 25e gets over the locking projection 24d and is locked. At this time, since the coil spring 27 is compressed, the contact 26 of the contact 26 is locked by the upper step 24f of the engagement protrusion guide groove 24c, and the contact 26 protrudes from the housing 24 to complete the assembly. To do.

以上のように組み立てられたスプリングコネクタにおいて、コンタクト２６の上端部の接触部２６ｅに、電池パック１８などの他の機器の下面の端子部を接触させて押し込むと、コイルスプリング２７に抗してコンタクト２６が押し下げられ、このコンタクト２６の側板部２６ａがターミナル２５の接触片部２５ｂに面接触しながら下降する。このため、他の機器の端子部は、コンタクト２６の側板部２６ａ、ターミナル２５の接触片部２５ｂ、底板部２５ａ、端子部２５ｃを経て回路基板１５に電気的に接続される。   In the spring connector assembled as described above, when the terminal portion on the lower surface of another device such as the battery pack 18 is brought into contact with and pushed into the contact portion 26e of the upper end portion of the contact 26, the contact is resisted against the coil spring 27. 26 is pushed down, and the side plate portion 26 a of the contact 26 is lowered while being in surface contact with the contact piece portion 25 b of the terminal 25. For this reason, the terminal part of another apparatus is electrically connected to the circuit board 15 through the side plate part 26a of the contact 26, the contact piece part 25b of the terminal 25, the bottom plate part 25a, and the terminal part 25c.

前記実施例１では、コンタクト２６の係止突部２６ｄを細長い導電性金属板にプレス絞り加工などにより係止突部２６ｄを形成した例を示した。
しかし、これに限られるものではなく、図６に示すように折り曲げ加工だけで構成することができる。さらに詳しくは、前記コンタクト２６は、その幅ｄが前記コイルスプリング２７の直径よりも細長い導電性金属板をＵ字形に折曲して両側に側板部２６ａを形成し、これらの側板部２６ａの端部の両側に係合突部２６ｃを形成している点で実施例１と同様であるが、係止突部２６ｄを形成する天板部２６ｂの部分の幅ｄ１を、コイルスプリング２７の座巻部２７ａとこの座巻部２７ａに続く螺旋部２７ｂが係合する程度に狭くし、中央部で下向きに２つ折りし、天板部２６ｂの両側部分でそれぞれ係止突部２６ｄと側板部２６ａとの間にコイルスプリング２７が係合する隙間をもって折り返したものである。このとき、天板部２６ｂ部分は、上向きにやや湾曲させることにより、接触部２６ｅの他の機器の端子部との接触を良好にする。この実施例２では、型抜き後に、折り曲げ加工だけで構成でき、実施例１のプレス絞りよりは加工が容易である。 In the first embodiment, the locking protrusion 26d of the contact 26 is formed on the elongated conductive metal plate by press drawing or the like.
However, the present invention is not limited to this, and it can be configured only by bending as shown in FIG. More specifically, the contact 26 is bent in a U-shape by a conductive metal plate whose width d is longer than the diameter of the coil spring 27 to form side plate portions 26a on both sides, and ends of these side plate portions 26a. This is similar to the first embodiment in that the engagement protrusions 26c are formed on both sides of the part, but the width d1 of the portion of the top plate part 26b that forms the locking protrusion 26d is set to the end of the coil spring 27. The portion 27a and the spiral portion 27b following the end winding portion 27a are narrowed to engage with each other, folded in two downwards at the center portion, and the locking projections 26d and the side plate portions 26a on both side portions of the top plate portion 26b. The coil spring 27 is folded back with a gap in between. At this time, the top plate portion 26b is slightly curved upward to make good contact with the terminal portions of other devices of the contact portion 26e. In the second embodiment, it can be configured only by bending after die cutting, and the processing is easier than the press drawing of the first embodiment.

前記実施例１及び２では、コンタクト２６の幅ｄをコイルスプリング２７の直径よりも小さくし、かつ、細幅板をＵ字形に折り返すことによりコンタクト２６の両側に窓を開口させてコイルスプリング２７の一部がコンタクト２６の両側の窓からはみ出るように構成した。
しかし、これに限られるものではなく、コンタクト２６の１つの面だけ窓を開口させ、コイルスプリング２７の一部がコンタクト２６の１つの窓だけからはみ出るように構成することもできる。 In the first and second embodiments, the width d of the contact 26 is made smaller than the diameter of the coil spring 27, and the narrow plate is folded back into a U shape to open windows on both sides of the contact 26, thereby A part of the contact 26 protrudes from the windows on both sides.
However, the present invention is not limited to this, and the window may be opened only on one surface of the contact 26, and a part of the coil spring 27 may protrude from only one window of the contact 26.

１０…従来のスプリングコネクタ、１１…角筒状外ピン、１２…角筒状内ピン、１３…コイルスプリング、１４…ハウジング、１５…回路基板、１６…上ホルダー、１７…下ホルダー、１８…電池パック、１９…ガイド溝、２０…端子片、２１…ガイド突片、２２…接触部、２３…係止片、２４…ハウジング、２５…ターミナル、２６…コンタクト、２７…コイルスプリング。 DESCRIPTION OF SYMBOLS 10 ... Conventional spring connector, 11 ... Square cylindrical outer pin, 12 ... Square cylindrical inner pin, 13 ... Coil spring, 14 ... Housing, 15 ... Circuit board, 16 ... Upper holder, 17 ... Lower holder, 18 ... Battery Pack, 19 ... guide groove, 20 ... terminal piece, 21 ... guide protrusion, 22 ... contact portion, 23 ... locking piece, 24 ... housing, 25 ... terminal, 26 ... contact, 27 ... coil spring.

Claims (5)

ハウジングに、コイルスプリングで付勢されたコンタクトを進退自在に設けるとともに、このコンタクトと電気的に接続したターミナルを固定的に設けたスプリングコネクタにおいて、前記コンタクトは、導電性金属板の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の裏面に、前記コイルスプリングの外れ防止用係止突部を一体に設けたことを特徴とするスプリングコネクタ。   In a spring connector in which a contact urged by a coil spring is provided in a housing so that the contact can be moved forward and backward, and a terminal electrically connected to the contact is provided in a fixed manner, the contact is processed by bending a conductive metal plate. The spring connector is characterized in that a locking projection for preventing the coil spring from coming off is integrally provided on the back surface of the top plate portion that is in electrical contact with other devices in the contact. コイルスプリングの外れ防止用係止突部は、少なくともコイルスプリングの端部の水平な座巻き部に係合する長さとしたことを特徴とする請求項１記載のスプリングコネクタ。   The spring connector according to claim 1, wherein the locking protrusion for preventing the coil spring from coming off is at least a length that engages with a horizontal end portion of the end of the coil spring. コンタクトは、細長い導電性金属板のＵ字形の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の裏面に、コイルスプリングの外れ防止用係止突部をプレス絞り加工により一体に設けたことを特徴とする請求項１又は２記載のスプリングコネクタ。   The contact is processed by bending an elongated conductive metal plate into a U shape, and a locking protrusion for preventing the coil spring from coming off is press-drawn on the back surface of the top plate portion that is in electrical contact with other devices in the contact. The spring connector according to claim 1 or 2, wherein the spring connector is integrally provided. コンタクトは、細長い導電性金属板のＵ字形の折り曲げにより加工し、このコンタクトにおける他の機器と電気的に接触する天板部の幅をコイルスプリングの内径より小さくし、この天板部の裏面に、コイルスプリングの外れ防止用係止突部を折り曲げ加工により一体に設けたことを特徴とする請求項１又は２記載のスプリングコネクタ。   The contact is processed by bending a long and narrow conductive metal plate into a U shape, and the width of the top plate portion that makes electrical contact with other devices in this contact is made smaller than the inner diameter of the coil spring, The spring connector according to claim 1 or 2, wherein the locking protrusions for preventing the coil spring from coming off are integrally formed by bending. コンタクトにおける天板部の他の機器と電気的に接触する面に、膨出した接触部を一体に設けたことを特徴とする請求項１，２，３又は４記載のスプリングコネクタ。   5. The spring connector according to claim 1, 2, 3, or 4, wherein a bulging contact portion is integrally provided on a surface of the contact that is in electrical contact with another device of the top plate portion.
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KR101427643B1 (en) 2014-08-07
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TW201214844A (en) 2012-04-01
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CN102412462B (en) 2015-04-08
KR20120029981A (en) 2012-03-27

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