WO2010010629A1 - 絶縁基板用コネクタの端子構造 - Google Patents
絶縁基板用コネクタの端子構造 Download PDFInfo
- Publication number
- WO2010010629A1 WO2010010629A1 PCT/JP2008/063413 JP2008063413W WO2010010629A1 WO 2010010629 A1 WO2010010629 A1 WO 2010010629A1 JP 2008063413 W JP2008063413 W JP 2008063413W WO 2010010629 A1 WO2010010629 A1 WO 2010010629A1
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- WO
- WIPO (PCT)
- Prior art keywords
- insulating substrate
- housing
- connector
- terminal structure
- alignment member
- Prior art date
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Classifications
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
- H01R12/7011—Locking or fixing a connector to a PCB
- H01R12/7017—Snap means
- H01R12/7023—Snap means integral with the coupling device
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
- H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0256—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for soldering or welding connectors to a printed circuit board
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/205—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve with a panel or printed circuit board
Definitions
- the present invention relates to a terminal structure of a connector for an insulating substrate used for various electric devices.
- an insulating substrate connector as shown in FIG. 10 attached on an insulating substrate as in Patent Document 1 may be used.
- This conventional connector for an insulating substrate projects a connection end 3 formed by processing a conductive metal strip 2 in a housing 1, pulls out the strip 2 to the outside of the housing 1 and bends it, and insulates its tip 4.
- a circuit provided on the substrate 5 is connected by solder 6.
- the tips of the strips 2 that individually protrude outward from the housing 1 are not necessarily in a predetermined position, and sufficient care is required to ensure the position during soldering.
- the tip 4 is likely to be displaced during transportation, which is often difficult.
- An object of the present invention is to provide a terminal structure of a connector for an insulating substrate that can easily and accurately connect a rear end portion of a connection terminal made of a metal strip drawn out of a housing to a circuit on the insulating substrate. .
- the technical feature of the terminal structure of the connector for an insulating substrate according to the present invention is that a rear portion of the plurality of connection terminals protruding into the housing is drawn out of the housing to form a circuit on the insulating substrate.
- the connection terminal is made of a conductive metal strip as a base material, and a portion protruding into the housing is processed to be a connection end with respect to the mating connection terminal.
- the rear end portion of the metal strip drawn outward is inserted into the alignment member and arranged at a predetermined interval, the portion protruding from the alignment member is bent, and the bent surface is electrically connected to the circuit on the insulating substrate. It is to have done.
- the metal strips drawn from the housing are inserted through the alignment member and arranged at a predetermined interval, so that it can be easily and accurately connected to the circuit of the insulating substrate. It becomes possible.
- the terminal end is not mounted in the form of electrical connection through the insulating substrate, but mounted on the circuit, it is easy to form a circuit on the back side of the insulating substrate, and the circuit form is possible on both sides of the insulating substrate. Thus, space saving and miniaturization are achieved.
- FIG. 1 is a perspective view of the embodiment
- FIG. 2 is a longitudinal sectional view
- a connection terminal 12 is fixed to a housing 11.
- the connection ends 13 of the connection terminals 12 are arranged, for example, in 17 rows in two rows, and the rear end portions 14 of the connection terminals 12 are drawn out of the housing 11, and the front end portions 15 thereof. Are arranged at predetermined intervals through the alignment member 16.
- side walls 17 are provided on both sides of the rear portion of the housing 11 so as to sandwich the rear end portion 14 of the connection terminal 12 therebetween.
- a locking piece 18 for locking to the insulating substrate is provided at the lower end of the side wall 17, and a locking claw 19 is formed at the tip of the locking piece 18.
- three engagement pieces 20 that are bent at three distal ends for positioning and engaging with the edge of the insulating substrate protrude from the bottom of the base portion of the housing 11.
- a locking claw 21 is formed on the upper portion of the housing 11 to lock the fitting state when the housing 11 is fitted with the mating housing.
- FIG. 3 is a perspective view of the alignment member.
- the alignment member 16 is made of a synthetic resin block, and the insertion holes 22 through which the rear end portions 14 of the connection terminals 12 are inserted are arranged at predetermined intervals. Further, on both side portions of the alignment member 16, connecting portions 23 for connecting to the housing 11 are formed.
- FIG. 4 shows a perspective view of the connection terminal 12.
- the connection terminal 12 is formed by punching and bending a conductive metal strip such as phosphor bronze as a base material.
- the connection end 13 has strength as a cross-sectional square shape that is folded and compressed, and its tip is formed in a conical shape so that it can be easily inserted into the mating connection terminal.
- this connection end 13 can also be made into the receiving terminal shape which receives the other party insertion terminal.
- the rear end portion 14 drawn out from the housing 11 is in the shape of a strip, or in a state where the width is narrowed as necessary.
- the rear end portion 14 is bent downward, and the rear end portion 14 is inserted into the insertion hole 22 of the alignment member 16.
- the tip portion 15 protruding downward through the alignment member 16 is bent along the bottom surface of the alignment member 16, and its lower surface is a connection surface for solder connection.
- the alignment member 16 is connected to the housing 11 by the connecting portion 23, but the alignment member 16 is not necessarily connected to the housing 11.
- the insulating substrate 31 that fixes the housing 11 has, for example, a chip shape as many as the number of the connection terminals 12 at a predetermined position on the circuit for electrical connection with the tip 15 of the connection terminals 12.
- the solder 32 is attached.
- the edge 33 of the insulating substrate 31 is provided with three notches 34 for engaging and positioning the engaging piece 20 of the housing 11, and the locking piece 18 is further provided on the insulating substrate 31. Two locking holes 35 for locking are formed.
- the housing 11 When the housing 11 is attached to the insulating substrate 31, as shown in FIG. 7, the housing 11 incorporating the connection terminals 12 and the alignment member 16 is positioned with respect to the notch 34 of the insulating substrate 31 by the engagement piece 20. At the same time, it rotates in the direction of the arrow with the engaging piece 20 as a fulcrum. By this rotation, as shown in FIGS. 8 and 9, the locking piece 18 is fitted into the locking hole 35, the locking claw 19 of the locking piece 18 is locked to the edge of the locking hole 35, The housing 11 is fixed on the insulating substrate 31, and the connection surface of each tip 15 is brought into contact with the solder 32.
- solder 32 is melted by a process of welding the solder 32 in a contact state, for example, a reflow process in which the solder 32 is continuously transported in a temperature environment where the solder is welded or heat is applied in a patch manner. Can be electrically connected to the circuit of the insulating substrate 31.
- the insulating substrate usually undergoes such a heating process, it is composed of a heat-resistant material.
- the housing used in the present invention is normally used in a temperature environment where the reflow process is performed. Therefore, it is preferable to have a material configuration that improves heat resistance and enables injection molding.
- GF glass fiber
- PPS resin polyphenylene sulfide resin
- connection can be made with a low melting point of about 220 ° C., and the housing 11 and the insulating substrate 31 need not take much heat resistance into consideration.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
金属条片から成る接続端子のハウジング外に引き出した後端部を絶縁基板上の回路に、容易にかつ正確に接続する。 接続端子(12)の接続端(13)はハウジング(11)内に配列され、各条片の後端部(14)はハウジング(11)の外方に引き出され、整列部材(16)を挿通して所定間隔に配列されている。 整列部材(16)を通り下方に突出した先端部(15)は、整列部材(16)の底面に沿って折り曲げられ、その下面は半田接続の際の接続面とされている。
Description
本発明は、各種電気機器に使用する絶縁基板用コネクタの端子構造に関するものである。
パソコンやその関連電気機器には、特許文献1のように絶縁基板上に取り付けた図10に示すような絶縁基板用コネクタが用いられることがある。
この従来の絶縁基板用コネクタは、ハウジング1内に導電性金属条片2を加工して形成した接続端3を突出し、ハウジング1の外方に条片2を引き出して折り曲げ、その先端4を絶縁基板5に設けた回路に半田6により接続している。
しかし、ハウジング1の外方に個々に突出されている条片2の先端は、必ずしも所定位置にあるとは限らず、半田付けに際してその位置が確保できるように十分な注意を要する。特に、ハウジング1に接続端子を挿着する工程と、半田付け工程が距離的、時間的に離れている場合には、運搬途中等で先端4が変位し易く、難渋することが多い。
本発明の目的は、金属条片から成る接続端子のハウジング外に引き出した後端部を、絶縁基板上の回路に容易にかつ正確に接続できる絶縁基板用コネクタの端子構造を提供することにある。
上述の目的を達成するための本発明に係る絶縁基板用コネクタの端子構造の技術的特徴は、ハウジング内に突出した複数個の接続端子の後部を前記ハウジング外に引き出して絶縁基板上の回路に接続する絶縁基板用コネクタの端子構造において、前記接続端子は1枚の導電性金属条片を基材とし、前記ハウジング内に突出した部分を加工して相手側接続端子に対する接続端とし、前記ハウジングの外方に引き出した前記金属条片の後端部を整列部材を挿通して所定間隔に配列し、前記整列部材から突出した部分を折り曲げ、その折曲面を前記絶縁基板上の回路に電気接続したことにある。
本発明に係る絶縁基板用コネクタの端子構造によれば、ハウジングから引き出した金属条片を整列部材に挿通して所定間隔に配列するので、絶縁基板の回路に容易にかつ正確に接続することが可能となる。また、端子端部が絶縁基板を貫通して電気接続する態様ではなく、回路上に実装する態様なので、絶縁基板の裏面側にも回路を形成し易くなり、絶縁基板の両面で回路態様が可能となり、省スペース化、小型化となる。
11 ハウジング
12 接続端子
13 接続端
14 後端部
15 先端部
16 整列部材
31 絶縁基板
32 半田
12 接続端子
13 接続端
14 後端部
15 先端部
16 整列部材
31 絶縁基板
32 半田
本発明を図1~図9に図示の実施例に基づいて詳細に説明する。
図1は実施例の斜視図、図2は縦断面図を示し、ハウジング11に接続端子12が固定されている。ハウジング11内には、例えば1列17個で2段に、接続端子12の接続端13が配置され、各接続端子12の後端部14はハウジング11の外方に引き出され、その先端部15は整列部材16を挿通して所定間隔に配列されている。
また、ハウジング11の後部の両側には、接続端子12の後端部14を挟むように両側に側壁17が設けられている。側壁17の下端には、絶縁基板に係止するための係止片18が設けられ、係止片18の先端に係止爪19が形成されている。また、ハウジング11の基部の底部には絶縁基板の縁部に位置決めして係合するための例えば3個の先端を折り曲げた係合片20が突出されている。更に、ハウジング11の上部には、相手側ハウジングと嵌合した際に、その嵌合状態を錠止するための錠止爪21が形成されている。
図3は整列部材の斜視図であり、整列部材16は合成樹脂製のブロック体から成り、接続端子12の後端部14がそれぞれ挿通される挿通孔22が所定間隔に配列されている。また、整列部材16の両側部には、ハウジング11に連結するための連結部23が形成されている。
図4は接続端子12の斜視図を示し、この接続端子12は例えばリン青銅などの導電金属条片を基材として打ち抜き、折曲して形成されている。接続端13は例えば図5に示すように、折り重ねて圧縮した断面四角状として強度を持たせており、その先端は相手側接続端子に挿し込み易いように錐状に形成されている。なお、この接続端13は相手側挿込端子を受け入れる受端子状にすることもできる。
また、ハウジング11から引き出した後端部14は条片形状のまま、或いは必要に応じて幅を狭くした状態とされている。後端部14は下方に折り曲げられ、後端部14が整列部材16の挿通孔22に挿通される。整列部材16を通り下方に突出した先端部15は、整列部材16の底面に沿って折り曲げられ、その下面は半田接続の際の接続面とされている。
後端部14を整列部材16に取り付けた後、或いは取り付け前に整列部材16は連結部23によりハウジング11に連結されるが、必ずしも整列部材16はハウジング11と連結する必要はない。
一方、ハウジング11を固定する絶縁基板31には、図6に示すように、接続端子12の先端部15と電気接続するために、回路上の所定位置に接続端子12の数だけの例えばチップ状の半田32が取り付けられている。また、絶縁基板31の縁部33には、ハウジング11の係合片20を係合し、位置決めするための3個の切欠部34が設けられ、更に絶縁基板31上には係止片18を係止するための2個の係止孔35が形成されている。
ハウジング11の絶縁基板31への取り付けに当っては、図7に示すように接続端子12、整列部材16を組み込んだハウジング11を、係合片20により絶縁基板31の切欠部34に対して位置決めをすると共に、この係合片20を支点として矢印方向に回動する。この回動により、図8、図9に示すように係止片18が係止孔35に嵌合し、係止片18の係止爪19が係止孔35の縁部に係止し、ハウジング11は絶縁基板31上に固定され、各先端部15の接続面が半田32上に当接される。
その後に、当接した状態で半田32を溶接させる工程、例えば半田が溶接する温度環境下に連続的に搬送したり、パッチ式で熱を与えるリフロー工程により、半田32を溶融し、先端部15は絶縁基板31の回路に電気的に接続することができる。
なお、絶縁基板は通常このような加熱工程を経ることがあるので、耐熱性のあるもので構成されるが、本発明で使用されるハウジングは、通常リフロー工程が行われる温度環境下での仕様ではないので、耐熱性を向上させ、かつ射出成型ができるような材料構成であることが好ましい。
具体的には、ポリフェニレンサルファイド樹脂(PPS樹脂)にガラス繊維(GF)をガラス繊維が30%~50%配合したものが好適である。30%より少ないと、耐熱性が向上せず、リフロー工程中に熱変形してしまう傾向にあり、50%より多いと射出成型が困難になる傾向にある。
なお、半田32をリフロータイプとすることにより、220℃程度の低融点で接続が可能であり、ハウジング11、絶縁基板31も耐熱性をさほど考慮しなくとも済む。
Claims (6)
- ハウジング内に突出した複数個の接続端子の後部を前記ハウジング外に引き出して絶縁基板上の回路に接続する絶縁基板用コネクタの端子構造において、前記接続端子は1枚の導電性金属条片を基材とし、前記ハウジング内に突出した部分を加工して相手側接続端子に対する接続端とし、前記ハウジングの外方に引き出した前記金属条片の後端部を整列部材を挿通して所定間隔に配列し、前記整列部材から突出した部分を折り曲げ、その折曲面を前記絶縁基板上の回路に電気接続したことを特徴とする絶縁基板用コネクタの端子構造。
- 前記整列部材は合成樹脂製のブロック体に前記金属条片ごとの挿通孔を形成したことを特徴とする請求項1に記載の絶縁基板用コネクタの端子構造。
- 前記整列部材は前記ハウジングに連結することを特徴とする請求項1に記載の絶縁基板用コネクタの端子構造。
- 前記折曲面は前記絶縁基板上の回路に半田により電気接続したことを特徴とする請求項1に記載の絶縁基板用コネクタの端子構造。
- 前記半田は予め前記絶縁基板上の回路上に取り付けておくことを特徴とする請求項4に記載の絶縁基板用コネクタの端子構造。
- 前記ハウジングには前記絶縁基板上に係止するための係止機構を備えたことを特徴とする請求項1に記載の絶縁基板用コネクタの端子構造。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3518346A1 (de) * | 2018-01-25 | 2019-07-31 | Lumberg Connect GmbH | Steckverbinder mit primärverriegelnden rastarmen |
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2008
- 2008-07-25 WO PCT/JP2008/063413 patent/WO2010010629A1/ja active Application Filing
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3518346A1 (de) * | 2018-01-25 | 2019-07-31 | Lumberg Connect GmbH | Steckverbinder mit primärverriegelnden rastarmen |
CN110086016A (zh) * | 2018-01-25 | 2019-08-02 | 伦伯格连接器有限公司 | 具有主联锁的锁定臂的插塞连接器 |
US10535950B2 (en) | 2018-01-25 | 2020-01-14 | Lumberg Connect Gmbh | Plug connector with interlocking arms |
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