JP2018037150A - Electrical connector for circuit board - Google Patents

Electrical connector for circuit board Download PDF

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Publication number
JP2018037150A
JP2018037150A JP2016166733A JP2016166733A JP2018037150A JP 2018037150 A JP2018037150 A JP 2018037150A JP 2016166733 A JP2016166733 A JP 2016166733A JP 2016166733 A JP2016166733 A JP 2016166733A JP 2018037150 A JP2018037150 A JP 2018037150A
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Prior art keywords
housing
movable
fixed
terminal
held
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JP2016166733A
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JP6727074B2 (en
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勇貴 小林
Yuki Kobayashi
勇貴 小林
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Hirose Electric Co Ltd
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Hirose Electric Co Ltd
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Priority to JP2016166733A priority Critical patent/JP6727074B2/en
Priority to TW106122259A priority patent/TWI703770B/en
Priority to KR1020170100351A priority patent/KR102186662B1/en
Priority to CN201710700819.2A priority patent/CN107799932B/en
Publication of JP2018037150A publication Critical patent/JP2018037150A/en
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Publication of JP6727074B2 publication Critical patent/JP6727074B2/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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • 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
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • 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
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • 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
    • H01R13/64—Means for preventing incorrect coupling

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an electrical connector for circuit board, capable of being contacted with an efficient contact pressure between a mating connector and a terminal.SOLUTION: A terminal 30 includes: a fixing side held part 34 that is held by a fixing housing; a movable side held part 36 that is held by a movable housing, and an intermediate elastic part 31 that is positioned between the fixing side held part 34 and the movable side held part 36. The terminal includes a connection part 35 connected to a circuit substrate provided to one end part positioned at the outer side of the fixing housing from the fixing side held part 34; and a contact arm part 33 that is movably housed in a groove part formed in the movable housing at the other end side position of the terminal from the fixing side held part. The contact arm part 32 includes elastic two arm parts 32A and 32B which are connected by a contact part 33. The movable side held part is formed to each of base parts of the two arm parts. The fixing side held part 34 is held by a fixing housing 11, and the movable side held part 36 is held by a movable housing 21.SELECTED DRAWING: Figure 5

Description

本発明は、回路基板用電気コネクタに関する。   The present invention relates to an electrical connector for a circuit board.

この種のコネクタにあっては、回路基板の面に対して直角な方向をコネクタ嵌合方向として相手コネクタと接続される際、回路基板の面に平行な方向で相手コネクタが正規位置からずれた位置で嵌合接続されることがあり、そのため、上記ずれを吸収できる、いわゆるフローティングコネクタが広く用いられており、例えば、特許文献１に開示されている。   In this type of connector, when the connector is connected to the mating connector with the direction perpendicular to the surface of the circuit board as the connector fitting direction, the mating connector is displaced from the normal position in the direction parallel to the surface of the circuit board. The so-called floating connector that can absorb the above-described misalignment is widely used, and is disclosed in Patent Document 1, for example.

特許文献１のフローティングコネクタは、四角枠状をなしてその底面で回路基板に固定される固定ハウジング（ハウジング本体）と、該固定ハウジングの四角枠内に位置し該固定ハウジングに対して可動な可動ハウジング（ハウジング接続部）と、該可動ハウジングと上記固定ハウジングに架け渡された状態で配列されている複数の端子（コンタクト）とを有している。上記固定ハウジングは、端子の接続部が回路基板に半田接続されることで、該端子を介して回路基板に固定される。端子は可動ハウジングと固定ハウジングの間の空間に位置する該端子の中間部に略Ｌ字状の弾性部を有していて、該弾性部における弾性変位により上記ずれを吸収する。   The floating connector of Patent Document 1 has a fixed housing (housing main body) which is formed in a square frame shape and is fixed to a circuit board at the bottom surface thereof, and is movable within the rectangular frame of the fixed housing and movable with respect to the fixed housing. A housing (housing connection portion), and a plurality of terminals (contacts) arranged in a state of being spanned over the movable housing and the fixed housing. The fixed housing is fixed to the circuit board through the terminals by connecting the terminal connection portions to the circuit board by soldering. The terminal has a substantially L-shaped elastic part in the middle part of the terminal located in the space between the movable housing and the fixed housing, and absorbs the above-described deviation by elastic displacement in the elastic part.

特許文献１におけるコネクタの端子は、金属帯状をその板厚方向に屈曲形成したもので、いわゆる曲げ端子であり（特許文献１、段落［００４１］）、該端子は、特許文献１によると、上記固定ハウジングそして可動ハウジングに対し、組み付けることもあるいは一体成形することも可能であるとしている（［段落００５３］）。   The terminal of the connector in Patent Document 1 is a so-called bent terminal formed by bending a metal strip in the plate thickness direction (Patent Document 1, paragraph [0041]). The fixed housing and the movable housing can be assembled or integrally formed ([paragraph 0053]).

上記端子は、一端側が可動ハウジング内に埋没され、相手コネクタとの接触接続のための接触部が上記可動ハウジングの側面で露呈するように該側面に固定されている。また上記端子は他端側が固定ハウジングで埋没保持されているとともに、その先端が固定ハウジング外に突出していて、回路基板に半田接続される接続部をなしている（図５参照）。   One end side of the terminal is buried in the movable housing, and the terminal is fixed to the side surface so that a contact portion for contact connection with the mating connector is exposed on the side surface of the movable housing. Further, the other end side of the terminal is buried and held by a fixed housing, and a tip of the terminal protrudes outside the fixed housing, thereby forming a connection portion to be soldered to the circuit board (see FIG. 5).

上記端子の弾性部は、可動ハウジングと固定ハウジングとの間で相手コネクタを受け入れる受入空間に面する溝内で、略Ｌ字状をなしていて、該溝内で弾性変位可能となっている。かかる受入空間を有しているコネクタは、一般にレセプタクルコネクタと称され、相手コネクタがプラグコネクタと称される。   The elastic portion of the terminal is substantially L-shaped in a groove facing the receiving space for receiving the mating connector between the movable housing and the fixed housing, and can be elastically displaced in the groove. A connector having such a receiving space is generally called a receptacle connector, and the mating connector is called a plug connector.

特許第４４１１８４３号Patent No. 4411843

しかしながら、特許文献１のコネクタにあっては、相手コネクタと接触接続するための端子の接触部が可動ハウジングの側面に固定的に取り付けられているので、相手コネクタの端子が弾性変位可能な接触部を有していなければならない。特許文献１のレセプタクルコネクタに嵌合接続される相手コネクタたるプラグコネクタは、レセプタクルコネクタとは異なり、端子の接触部はプラグハウジングの外側面に露呈するので、取扱中に思わぬ衝撃力を受けることがあり、該接触部はプラグハウジングの外側面にしっかりと固定されている固定接触部形式であることが望まれ、弾性変位可能な形態は好まれていない。   However, in the connector of Patent Document 1, since the contact portion of the terminal for contact connection with the mating connector is fixedly attached to the side surface of the movable housing, the contact portion where the terminal of the mating connector can be elastically displaced Must have. Unlike the receptacle connector, the plug connector that is mated and connected to the receptacle connector of Patent Document 1 is exposed to the outside surface of the plug housing, so that it receives an unexpected impact force during handling. The contact portion is preferably a fixed contact portion type that is firmly fixed to the outer surface of the plug housing, and an elastically displaceable form is not preferred.

したがって、特許文献１のレセプタクルコネクタは、相手コネクタがプラグハウジングの外側面に固定された固定接触部形式のプラグコネクタである場合、レセプタクルコネクタ側の端子の接触部が可動ハウジングに対して固定的に取り付けられた固定接触部形式となっていて、弾性変位できないので、上記固定接触部形式のレセプタクルコネクタには対応できない。   Therefore, in the receptacle connector of Patent Document 1, when the mating connector is a fixed contact portion type plug connector fixed to the outer surface of the plug housing, the contact portion of the terminal on the receptacle connector side is fixed to the movable housing. Since it is in the form of an attached fixed contact portion and cannot be elastically displaced, it cannot be applied to the above-described receptacle connector of the fixed contact portion type.

特許文献１では、端子が弾性部を有していることでフローティングを可能としている。このフローティング可能な端子は、フローティング用の弾性部での弾性変位量を確保するために、端子を細く、薄くする必要がある。しかし、弾性変位量を十分に確保しようとすると、端子は弾性接触部も含めて細く、薄くなってしまい、その結果、弾性接触部は軟らかくなりすぎて、十分接圧が得られなくなってしまう。   In Patent Document 1, the terminal has an elastic portion, so that floating is possible. The floating terminal needs to be thin and thin in order to secure an elastic displacement amount in the floating elastic portion. However, if a sufficient amount of elastic displacement is to be secured, the terminal is thin and thin, including the elastic contact portion, and as a result, the elastic contact portion becomes too soft and sufficient contact pressure cannot be obtained.

また、特許文献１によると、端子は一体成形でも可動ハウジングそして固定ハウジングにより保持されることが可能である旨記載されているが、この種のコネクタでは、端子が板厚方向に屈曲形成された曲げ端子であるが、仮に、板厚方向に抜き加工した抜き端子であっても、端子を高密度ピッチで配列する目的で端子幅を小さくした際に、一体成形で保持できるが、端子の接触部を弾性変位可能な形式にしようとすると、端子幅が小さいが故に弾性変位時に相手コネクタとの間の接圧に対し十分に耐えられる強度を確保することが困難となる。   Further, according to Patent Document 1, it is described that the terminal can be held by the movable housing and the fixed housing even if it is integrally formed, but in this type of connector, the terminal is bent in the thickness direction. Although it is a bent terminal, even if it is a punched terminal punched in the thickness direction, it can be held by integral molding when the terminal width is reduced for the purpose of arranging the terminals at a high density pitch. If an attempt is made to make the part elastically displaceable, it is difficult to ensure sufficient strength to withstand contact pressure with the mating connector during elastic displacement because the terminal width is small.

本発明は、かかる事情に鑑み、フローティング可能なコネクタにあっても、端子の接触部で十分な接圧を確保し、さらには、端子を高密度配列するために端子幅の小さい端子をハウジングと一体成形した場合でも、この端子幅の小さい端子に、弾性変位可能な接触部をもたせ、弾性変位しない固定接触部形式の端子をもつ相手コネクタに対しても対応できる回路基板用電気コネクタを提供することを課題とする。   In view of such circumstances, the present invention ensures a sufficient contact pressure at a contact portion of a terminal even in a connector that can be floated, and further, a terminal having a small terminal width is arranged with a housing in order to arrange the terminals at high density. Provided is an electrical connector for a circuit board that can be applied to a mating connector having a terminal with a fixed contact portion that does not elastically displace by providing an elastically displaceable contact portion to a terminal having a small terminal width even when integrally formed. This is the issue.

本発明に係る回路基板用電気コネクタは、回路基板の面に固定取付けされる固定ハウジングと、該固定ハウジングに対して可動な可動ハウジングと、固定ハウジングと可動ハウジングに架け渡されて配列された複数の端子とを有し、固定ハウジングで保持される固定側被保持部と、可動ハウジングで保持される可動側被保持部と、固定側被保持部と可動側被保持部の間に位置する中間弾性部とを有している。   An electrical connector for a circuit board according to the present invention includes a fixed housing fixedly attached to the surface of the circuit board, a movable housing movable with respect to the fixed housing, and a plurality of the housings arranged across the fixed housing and the movable housing. A fixed side held portion held by the fixed housing, a movable side held portion held by the movable housing, and an intermediate position between the fixed side held portion and the movable side held portion And an elastic portion.

かかる回路基板用電気コネクタにおいて、本発明では、端子は、固定側被保持部より延び固定ハウジング外に位置する一端部に設けられ回路基板へ接続される接続部と、固定側被保持部よりも端子の他端側位置で、可動ハウジングに形成された溝部内で移動可能に収められた接触腕部とを有し、接触腕部が接触部でつながり弾性のある二つの腕部を有し、二つの腕部のそれぞれの基部に上記可動側被保持部が形成されていて、固定側被保持部が固定ハウジングで、そして可動側被保持部が可動ハウジングで、保持されていることを特徴としている。   In such an electrical connector for a circuit board, in the present invention, the terminal extends from the fixed-side held part and is provided at one end located outside the fixed housing and connected to the circuit board, and more than the fixed-side held part. A contact arm portion movably housed in a groove formed in the movable housing at the other end side position of the terminal, the contact arm portion having two elastic arm portions connected by the contact portion, The movable side held portion is formed at the base of each of the two arm portions, the fixed side held portion is held by a fixed housing, and the movable side held portion is held by a movable housing. Yes.

かかる構成の本発明では、二つの腕部をもつ接触腕部がそれぞれの腕部の基部にて一体成形で可動ハウジングにより保持され、接触部でつながる二つの腕部が上記基部以外の部分で弾性変位可能なので、腕部の弾性変位可能部分を長く確保しつつ、接触部での接圧を大きくできる。また接触腕部は、両方の基部で保持されるので該接触腕部の強度が大となる。   In the present invention having such a configuration, the contact arm portion having two arm portions is integrally formed and held by the movable housing at the base portion of each arm portion, and the two arm portions connected by the contact portion are elastic at the portion other than the base portion. Since it can be displaced, it is possible to increase the contact pressure at the contact portion while ensuring a long elastically displaceable portion of the arm portion. Further, since the contact arm portion is held by both base portions, the strength of the contact arm portion is increased.

本発明において、固定ハウジングは、可動ハウジングが回路基板から離れる方向での可動量を規制する規制金具が取り付けられているようにすることができる。こうすると、規制金具で、相手コネクタ抜出時に可動ハウジングの抜出方向移動を規制するので端子の保護につながる。   In the present invention, the fixed housing may be provided with a restriction fitting for restricting a movable amount in a direction in which the movable housing is separated from the circuit board. This restricts the movement of the movable housing in the removal direction when the mating connector is pulled out by the restricting bracket, leading to terminal protection.

本発明において、規制金具は、可動ハウジングの一部における上面に対して対面する規制部と、該規制部から延び回路基板に固定接続される複数の固定脚部とを有しているようにすることができる。かかる形態では、規制金具に複数の固定脚部が設けられるので、規制金具を保持する力が大となり、ひいては、可動ハウジングの規制能力が大となる。さらに、固定脚部を通して回路基板との電気的導通も可能となる。   In the present invention, the restricting bracket includes a restricting portion that faces the upper surface of a part of the movable housing, and a plurality of fixed leg portions that extend from the restricting portion and are fixedly connected to the circuit board. be able to. In such a form, since a plurality of fixed leg portions are provided on the restricting metal fitting, the force for holding the restricting metal fitting becomes large, and as a result, the regulating ability of the movable housing becomes large. Furthermore, electrical continuity with the circuit board is also possible through the fixed legs.

本発明において、規制金具の規制部は端子配列方向に直角なコネクタ幅方向に延びる平帯状をなし、複数の固定脚部が、コネクタ幅方向における該規制部の両端部の位置そして中間部の位置に設けられているようにすることができる。こうすると、平帯状の規制部の中間部にも固定脚部を備えているので、コネクタの高さ方向寸法を大きくすることなく、規制金具を保持する規制能力が大となる。   In the present invention, the restricting portion of the restricting bracket has a flat strip shape extending in the connector width direction perpendicular to the terminal arrangement direction, and the plurality of fixed leg portions are positioned at both ends and intermediate portions of the restricting portion in the connector width direction. Can be provided. If it carries out like this, since the fixed leg part is also provided in the intermediate part of the flat belt-shaped control part, the control capability to hold | maintain a control metal fitting becomes large, without enlarging the height direction dimension of a connector.

以上のように、本発明は、接触部でつながり弾性のある二つの腕部を有する接触腕部を端子に設け、二つの腕部の基部で可動ハウジングとの一体成形により該可動ハウジングにより保持することとしたので、フローティング可能なコネクタであっても二つの腕部は大きく弾性変位が可能で接触部での十分な弾性変位量を確保しつつ、接触部を挟むように二つの腕部を有するので、接触部での接圧に対する強度が向上し、しかもそれらの二つの腕部の基部で可動ハウジングにより保持されることで上記接触腕部の保持強度も向上する。   As described above, according to the present invention, the contact arm portion having two elastic arm portions connected to each other at the contact portion is provided on the terminal, and the base portion of the two arm portions is held by the movable housing by integral molding with the movable housing. Therefore, even if it is a connector that can be floated, the two arm portions can be greatly elastically displaced and have two arm portions so as to sandwich the contact portion while ensuring a sufficient amount of elastic displacement at the contact portion. Therefore, the strength against the contact pressure at the contact portion is improved, and the holding strength of the contact arm portion is also improved by being held by the movable housing at the base portion of these two arm portions.

本発明の一実施形態としての回路基板用電気コネクタ（レセプタクルコネクタ）とその相手方コネクタ（プラグコネクタ）とを示す斜視図である。It is a perspective view which shows the electrical connector (receptacle connector) for circuit boards and its other party connector (plug connector) as one Embodiment of this invention. 図１のレセプタクルコネクタの内部をも示す破断斜視図である。FIG. 2 is a cutaway perspective view that also shows the inside of the receptacle connector of FIG. 1. 図２のレセプタクルコネクタについて、固定ハウジングの図示を省略した斜視（図示せず）である。3 is a perspective view (not shown) of the receptacle connector of FIG. 2 in which a fixed housing is not shown. 図３のものから、さらに可動ハウジングを省略して、端子と規制金具のみを示す斜視図である。FIG. 4 is a perspective view showing only a terminal and a restricting bracket with the movable housing further omitted from that of FIG. 3. 図１の両コネクタの端子位置での断面図であり、（Ａ）はコネクタ嵌合前（Ｂ）は嵌合後を示す。It is sectional drawing in the terminal position of both the connectors of FIG. 1, (A) shows before connector fitting (B) after fitting. 図２のレセプタクルコネクタを上方から見た図で、（Ａ）は可動ハウジングが正規位置、（Ｂ）は可動ハウジングがフローティング位置にあるときを示す。FIGS. 3A and 3B are views of the receptacle connector of FIG. 2 as viewed from above, in which FIG. 2A shows the movable housing in the normal position and FIG. 2B shows the movable housing in the floating position. 本実施形態の変形例を示す断面図で、（Ａ）は一変形例、（Ｂ）は他の変形例を示す。It is sectional drawing which shows the modification of this embodiment, (A) shows one modification, (B) shows another modification.

以下、添付図面にもとづき、本発明の実施の形態を説明する。   Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

図１は、本実施形態に係る回路基板用電気コネクタとしてのレセプタクルコネクタ１とこれに嵌合接続されるプラグコネクタ２の嵌合接続前における外観を示す斜視図である。   FIG. 1 is a perspective view showing an external appearance of a receptacle connector 1 as a circuit board electrical connector according to the present embodiment and a plug connector 2 fitted and connected thereto before fitting connection.

図１において、レセプタクルコネクタ１は電気絶縁材製のレセプタクルハウジング１０と該レセプタクルハウジング１０により保持されている金属板製の端子３０そして規制金具４０とを有している。   In FIG. 1, a receptacle connector 1 includes a receptacle housing 10 made of an electrically insulating material, a metal plate terminal 30 held by the receptacle housing 10, and a regulation fitting 40.

上記レセプタクルハウジング１０は、レセプタクルコネクタ１を回路基板（図示せず）上に配置したときに、上方から見た平面形状が略四角枠状をなす固定ハウジング１１と、該固定ハウジング１１とは別体に形成されて上記固定ハウジング１１の四角枠空間内に位置する可動ハウジング２１とを有している。上記固定ハウジング１１と可動ハウジング２１との間の空間は、プラグコネクタ２を受け入れる受入空間１Ａを形成する。端子３０は上記固定ハウジング１１と可動ハウジング２１に架け渡されていて、該端子３０の一部で固定ハウジング１１によりそして他部で可動ハウジング２１により保持されている。また、規制金具４０は、固定ハウジング１１により保持されている。かかるレセプタクルコネクタ１については、後に図２以降を参照しつつ、詳述する。   The receptacle housing 10 includes a stationary housing 11 having a substantially rectangular frame shape when viewed from above when the receptacle connector 1 is disposed on a circuit board (not shown), and is separate from the stationary housing 11. And a movable housing 21 located in the rectangular frame space of the fixed housing 11. A space between the fixed housing 11 and the movable housing 21 forms a receiving space 1A for receiving the plug connector 2. The terminal 30 is stretched over the fixed housing 11 and the movable housing 21, and is held by the fixed housing 11 at a part of the terminal 30 and by the movable housing 21 at the other part. Further, the restricting metal fitting 40 is held by the fixed housing 11. The receptacle connector 1 will be described in detail later with reference to FIG.

一方、上記レセプタクルコネクタ１に嵌合接続されるプラグコネクタ２は、図１に見られるように、電気絶縁材製のプラグハウジング５１と該プラグハウジング５１により保持される金属板製の端子６０とを有し、上記プラグハウジング５１は、上記レセプタクルコネクタ１の受入空間１Ａに嵌合するような外形をもつ四角ブロック状をなし、図１にて下面側（図１には表われず）には、上記レセプタクルコネクタ２の可動ハウジング２１が進入するための凹部５１Ａ（図５（Ａ）参照）が形成されている。このプラグコネクタ２は、上記プラグハウジング５１の上記凹部５１Ａを形成する周壁のうちコネクタ長手方向に延びこれと直角な短手方向に対向する二つの側壁５２のそれぞれで複数の端子６０を保持している。該端子６０は上記長手方向で配列され、短手方向で対称をなすようにして対向している。該端子６０はプラグハウジング５１との一体成形により該プラグハウジング５１で保持されている。   On the other hand, the plug connector 2 fitted and connected to the receptacle connector 1 includes a plug housing 51 made of an electrical insulating material and a metal plate terminal 60 held by the plug housing 51 as shown in FIG. The plug housing 51 has a rectangular block shape having an outer shape that fits into the receiving space 1A of the receptacle connector 1, and on the lower surface side (not shown in FIG. 1) in FIG. A recess 51A (see FIG. 5A) for the movable housing 21 of the receptacle connector 2 to enter is formed. The plug connector 2 holds a plurality of terminals 60 on each of two side walls 52 extending in the longitudinal direction of the connector and opposed in the short direction perpendicular to the peripheral wall forming the recess 51A of the plug housing 51. Yes. The terminals 60 are arranged in the longitudinal direction and face each other so as to be symmetrical in the lateral direction. The terminal 60 is held by the plug housing 51 by integral molding with the plug housing 51.

端子６０は、図５（Ａ）に見られるように、金属帯状体をその板厚方向に屈曲して形成されており、Ｊ字状に屈曲された一端部６１がプラグハウジング５１の周壁の開口部にて側壁５２内に埋没保持され、他端部が上記側壁５２の基部からプラグハウジング５１外に突出し横方向に延びる接続部６２を形成している。上記端子６０の中間部はＬ字状に屈曲されていて、側壁５２で保持されつつ該側壁５２から露呈する縦部と該縦部から屈曲される横部とを有し、縦部が接触部６３を形成し、縦部から横部への遷移部分がプラグハウジング５１に埋没し該プラグハウジング５１で保持される被保持部６４を形成している。   As shown in FIG. 5A, the terminal 60 is formed by bending a metal strip in the thickness direction, and one end 61 bent in a J-shape is an opening in the peripheral wall of the plug housing 51. The connecting portion 62 is embedded and held in the side wall 52 at the portion, and the other end portion protrudes out of the plug housing 51 from the base portion of the side wall 52 and extends in the lateral direction. The intermediate portion of the terminal 60 is bent in an L shape, and has a vertical portion exposed from the side wall 52 while being held by the side wall 52 and a horizontal portion bent from the vertical portion, and the vertical portion is a contact portion. 63, a transition portion from the vertical portion to the horizontal portion is buried in the plug housing 51 to form a held portion 64 held by the plug housing 51.

次に、レセプタクルコネクタ１にもどり、図２ないし図５にもとづき、該レセプタクルコネクタ１について、より詳しく説明する。   Next, returning to the receptacle connector 1, the receptacle connector 1 will be described in more detail with reference to FIGS.

図２に見られるように、レセプタクルコネクタ１の固定ハウジング１１と可動ハウジング２１には、受入空間１Ａを形成する固定ハウジング１１の側壁１２の内面と可動ハウジング２１の側壁に、それぞれ端子溝１３そして端子溝２２とを対向するように配列形成されている。また、可動ハウジング２１は、該可動ハウジング２１の端子溝２２同士間に形成された溝壁２３の下端が固定ハウジング１１の方に向け延びてリブ２３Ａを形成している。複数の溝壁２３の下端に位置するすべてのリブ２３Ａはレセプタクルコネクタ１の受入空間１Ａの底部に位置し、該可動ハウジング２１の長手方向に延びる底部保持部２４を形成している。上記可動ハウジング２１は、端子溝２２の配列方向両端に、該可動ハウジング２１の下部から上記端子溝２２の配列方向に突出する段付板状の被規制部２５が設けられている（図３参照）。   As shown in FIG. 2, the fixed housing 11 and the movable housing 21 of the receptacle connector 1 are provided with terminal grooves 13 and terminals respectively on the inner surface of the side wall 12 of the fixed housing 11 and the side wall of the movable housing 21 forming the receiving space 1A. The grooves 22 are arrayed so as to face each other. In the movable housing 21, the lower end of the groove wall 23 formed between the terminal grooves 22 of the movable housing 21 extends toward the fixed housing 11 to form a rib 23 </ b> A. All the ribs 23 </ b> A located at the lower ends of the plurality of groove walls 23 are located at the bottom of the receiving space 1 </ b> A of the receptacle connector 1 to form a bottom holding portion 24 that extends in the longitudinal direction of the movable housing 21. The movable housing 21 is provided with stepped plate-like regulated portions 25 protruding from the lower part of the movable housing 21 in the arrangement direction of the terminal grooves 22 at both ends in the arrangement direction of the terminal grooves 22 (see FIG. 3). ).

一方、レセプタクルコネクタ１の端子３０は、本実施形態では、金属帯体をその板厚方向に屈曲された、いわゆる曲げ端子の形態をなしている。本発明では、端子は曲げ端子のみならず、金属板をその板厚方向に抜いた形態をなす、いわゆる抜き端子であってもよい。   On the other hand, the terminal 30 of the receptacle connector 1 is in the form of a so-called bent terminal in which the metal strip is bent in the thickness direction in the present embodiment. In the present invention, the terminal may be not only a bending terminal but also a so-called extraction terminal in which a metal plate is extracted in the thickness direction.

上記端子３０は、図２、図４そして図５（Ａ）に見られるように、全体として二つの逆Ｕ字状部をもつ略波形をなし、固定ハウジング１１の側壁１２側に位置する一方の逆Ｕ字状部が中間弾性部３１をなし側壁１２に形成された端子溝１３内に収められている。また、可動ハウジング２１側に位置する他方の逆Ｕ字状部は、二つの腕部３２Ａ，３２Ｂを有する接触腕部３２を形成している。該二つの腕部３２Ａ，３２Ｂは該腕部３２Ａ，３２Ｂの基部を除いて、それらの殆どの部分が可動ハウジング２１の端子溝２２内に収められており、上記腕部３２Ａ，３２Ｂはそれらの上部で接触部３３によりつながっている。該接触部３３は上記端子溝２２外に突出するように凸湾曲形成されている。   As shown in FIGS. 2, 4, and 5 (A), the terminal 30 has a generally wavy shape having two inverted U-shaped portions as a whole, and is located on the side wall 12 side of the fixed housing 11. The inverted U-shaped portion forms the intermediate elastic portion 31 and is accommodated in the terminal groove 13 formed in the side wall 12. The other inverted U-shaped portion located on the movable housing 21 side forms a contact arm portion 32 having two arm portions 32A and 32B. Most of the two arm portions 32A, 32B except for the base portions of the arm portions 32A, 32B are accommodated in the terminal grooves 22 of the movable housing 21, and the arm portions 32A, 32B The upper part is connected by the contact part 33. The contact portion 33 is formed in a convex curve so as to protrude out of the terminal groove 22.

端子３０の上記中間弾性部３１が端子溝１３の奥側に位置する腕部の下端からは斜めに延びる固定側被保持部３４をなしていて、該固定側被保持部３４は固定ハウジング１１の側壁１２の下部にて一体成形により埋没保持されており、該固定側被保持部３４からは該端子３０の一端側が延出していて上記側壁１２外にあり該側壁１２の下面に沿って位置しており、この一端側が回路基板への半田接続のための接続部３５を形成する。   The intermediate elastic portion 31 of the terminal 30 forms a fixed-side held portion 34 that extends obliquely from the lower end of the arm portion located on the back side of the terminal groove 13, and the fixed-side held portion 34 is formed on the fixed housing 11. The terminal 30 is embedded and held at the lower part of the side wall 12, and one end side of the terminal 30 extends from the fixed side held portion 34 and is located outside the side wall 12 and along the lower surface of the side wall 12. This one end side forms a connection portion 35 for solder connection to the circuit board.

上記接触腕部３２はその二つの腕部３２Ａ，３２Ｂのうち、端子溝２２の奥側に位置する腕部３２Ａの下端部をなす基部３２Ａ−１がＬ字状に屈曲されていて、可動ハウジング２１の下部にて一体成形により埋没保持されている。これに対し、端子溝２２の開口側に位置する腕部３２Ｂがその下端部をなす基部３２Ｂ−１をＬ字状に屈曲して上記可動ハウジングの底部保持部２４を貫通していて、中間弾性部３１の二つの腕部のうち端子溝１３の開口側に位置する腕部の下端とつながっている。上記腕部３２Ｂの基部３２Ｂ−１は可動側被固定部３６をなしていて上記底部保持部２４との一体成形により保持されている。   Of the two arm portions 32A and 32B, the contact arm portion 32 has a base portion 32A-1 which forms the lower end portion of the arm portion 32A located on the back side of the terminal groove 22, and is bent in an L shape. The lower part of 21 is buried and held by integral molding. On the other hand, the arm portion 32B located on the opening side of the terminal groove 22 bends the base portion 32B-1 forming the lower end portion thereof into an L shape and penetrates the bottom holding portion 24 of the movable housing, thereby providing intermediate elasticity. Of the two arm portions of the portion 31, the lower end of the arm portion located on the opening side of the terminal groove 13 is connected. The base portion 32B-1 of the arm portion 32B forms a movable side fixed portion 36 and is held by integral molding with the bottom portion holding portion 24.

上記端子３０は、上述のように、接触部３３でつながり逆Ｕ字状をなす接触腕部３２の二つの腕部３２Ａ，３２Ｂは、それらの基部３２Ａ−１，３２Ｂ−１が可動ハウジング２１による一体成形で保持されていて、該基部３２Ａ−１，３２Ｂ−１よりも上方の逆Ｕ字状部分は、何ら拘束を受けておらず、弾性変位が可能となっている。もちろん中間弾性部３１も何ら拘束を受けていないので、弾性変位が可能である。   As described above, the terminal 30 is connected to the contact portion 33, and the two arm portions 32A and 32B of the contact arm portion 32 having an inverted U shape have bases 32A-1 and 32B-1 of the movable housing 21. The inverted U-shaped portion above the base portions 32A-1 and 32B-1 is held by integral molding and is not restrained at all, and can be elastically displaced. Of course, since the intermediate elastic part 31 is not restricted at all, elastic displacement is possible.

固定ハウジング１１により保持されている金属板製の規制金具４０は、固定ハウジング１１を省略して可動ハウジング２１、端子３０そして規制金具４０を示す図３に見られるように、可動ハウジング２１の既述の被規制部２５の上面に面しコネクタ幅方向に延びる平帯状の規制部４１と、該規制部４１から延出する固定脚部４２とを有している。固定脚部４２は、上記規制部４１の両端と側部に設けられているが、いずれも、下方に向けクランク状に屈曲されていて、下端部が回路基板の対応部に半田固定されるようになっている。   As shown in FIG. 3 which shows the movable housing 21, the terminal 30 and the regulating bracket 40, the regulating bracket 40 made of a metal plate held by the stationary housing 11 omits the stationary housing 11. And a fixed leg portion 42 extending from the restricting portion 41. The restricting portion 41 has a flat band shape that faces the upper surface of the restricted portion 25 and extends in the connector width direction. The fixed leg portions 42 are provided at both ends and side portions of the restricting portion 41, both of which are bent downward in a crank shape so that the lower end portion is soldered to the corresponding portion of the circuit board. It has become.

このような規制金具４０は、可動ハウジング２１の被規制部２５と面する規制部４１のうち上記固定脚部４２が位置する縁部と、固定脚部４２の基部が固定ハウジング１１内に一体成形により埋没されていて該固定ハウジング１１の一体成形により保持されている。換言すれば、固定ハウジング１１にて埋没保持されている部分以外は露呈している。   In such a restricting metal fitting 40, an edge portion where the fixed leg portion 42 is located and a base portion of the fixed leg portion 42 of the restricting portion 41 facing the restricted portion 25 of the movable housing 21 are integrally formed in the fixed housing 11. And is held by integral molding of the fixed housing 11. In other words, the portion other than the portion embedded and held in the fixed housing 11 is exposed.

かかる規制金具４０は、その一部で可動ハウジング２１で一体成形により保持されるので、圧入による保持にくらべ、規制金具の圧入シロを考慮しなくてよいので省スペース化できるとともに、圧入方向に拘束されないので規制金具の形状を簡略化でき、この点でも省スペース化につながる。   Since part of the restricting metal fitting 40 is held by the movable housing 21 by integral molding, it is not necessary to consider the press fitting white of the restricting metal fitting as compared with the holding by press fitting, so that space can be saved and restrained in the press fitting direction. Since this is not done, the shape of the regulating bracket can be simplified, and this also leads to space saving.

かかる形態のレセプタクルコネクタ１は、次の要領で使用される。先ず、該レセプタクルコネクタ１は、その端子３０の接続部３５が回路基板（図示せず）の対応回路部に半田接続され、また規制金具４０の固定脚部４２が上記回路基板の対応部に半田固定される。   The receptacle connector 1 of this form is used in the following manner. First, in the receptacle connector 1, the connection portion 35 of the terminal 30 is soldered to a corresponding circuit portion of a circuit board (not shown), and the fixed leg portion 42 of the regulating bracket 40 is soldered to the corresponding portion of the circuit board. Fixed.

一方、プラグコネクタ２も、レセプタクルコネクタ１と同様に、該プラグコネクタ２の端子６０の接触部６２にて他の回路基板（図示せず）の対応回路部に半田接続される。   On the other hand, the plug connector 2 is also solder-connected to the corresponding circuit portion of another circuit board (not shown) at the contact portion 62 of the terminal 60 of the plug connector 2 in the same manner as the receptacle connector 1.

かかる後、上記他の回路基板に取り付けられたプラグコネクタ２を、図１そして図５に見られるごとく、上記他の回路基板を上方とした姿勢、すなわち、プラグコネクタ２の凹部５１Ａを下方に開口する姿勢で、上記回路基板に取り付けられたレセプタクルコネクタ１の直上位置にもたらし、そのまま下降する。   Thereafter, as shown in FIGS. 1 and 5, the plug connector 2 attached to the other circuit board is opened with the other circuit board positioned upward, that is, the recess 51A of the plug connector 2 is opened downward. In such a posture, it is brought to a position directly above the receptacle connector 1 attached to the circuit board and lowered as it is.

プラグコネクタ２を降下すると、該プラグコネクタ２の凹部５１Ａにレセプタクルコネクタ１の可動ハウジング２１が端子３０の接触腕部３２とともに進入するようにして、プラグコネクタ２がレセプタクルコネクタ１の受入空間１Ａに受け入れられる（図５（Ｂ）参照）。   When the plug connector 2 is lowered, the plug connector 2 is received in the receiving space 1A of the receptacle connector 1 such that the movable housing 21 of the receptacle connector 1 enters with the contact arm portion 32 of the terminal 30 into the recess 51A of the plug connector 2. (See FIG. 5B).

図５（Ｂ）に見られるように、プラグコネクタ２がその下端でレセプタクルコネクタ１の底部保持部２４に当接する所定深さまで嵌合すると、プラグコネクタ２に設けられた二列の端子６０は、レセプタクルコネクタ１の二列の端子３０の接触部３３とコネクタ幅方向で内側から当接する。上記接触部３３は、弾性を有する二つの腕部３２Ａ，３２Ｂから成る接触腕部３２の上部に位置しており、上記二つの腕部３２Ａ，３２Ｂの弾性撓み変位による付勢力をもってプラグコネクタの端子６０の接触部６２に接触する。   As shown in FIG. 5B, when the plug connector 2 is fitted to a predetermined depth at which the plug connector 2 abuts the bottom holding portion 24 of the receptacle connector 1, the two rows of terminals 60 provided on the plug connector 2 are: The contact portion 33 of the two rows of terminals 30 of the receptacle connector 1 abuts from the inside in the connector width direction. The contact portion 33 is positioned on the upper portion of the contact arm portion 32 composed of the two arm portions 32A and 32B having elasticity, and the terminal of the plug connector has an urging force due to the elastic deflection displacement of the two arm portions 32A and 32B. 60 contacts 62.

ここで、例えば、プラグコネクタ２がレセプタクルコネクタ１に対して、所定位置から左右方向でずれた位置でレセプタクルコネクタ１に嵌合されたとすると、そのずれの分だけ、上記レセプタクルコネクタ１の対をなす二つの端子３０の一方の端子の中間弾性部３１がその逆Ｕ字状をなす両脚を開脚するように弾性変位し、他方の端子の中間弾性部がその逆Ｕ字状をなす両脚を閉脚するように弾性変位することで、上記プラグコネクタ２の移動を可能とし、いわゆるフローティングがなされる。   Here, for example, if the plug connector 2 is fitted to the receptacle connector 1 at a position shifted from the predetermined position in the left-right direction with respect to the receptacle connector 1, the receptacle connector 1 is paired by the amount of the shift. The intermediate elastic part 31 of one terminal of the two terminals 30 is elastically displaced so as to open both legs having an inverted U shape, and the intermediate elastic part of the other terminal closes both legs having an inverted U shape. By so elastically displacing, the plug connector 2 can be moved, and so-called floating is performed.

上記フローティングの様子は、図６（Ａ），（Ｂ）で良く理解できる。図６（Ａ），（Ｂ）はコネクタ１を上方から見た図であり、図６（Ａ）は可動ハウジング２１が固定ハウジング１１に対し正規位置にある場合、図６（Ｂ）は可動ハウジング２１が固定ハウジング１１に対しフローティングしている位置にある場合を示している。図６（Ａ）では、可動ハウジング２１は固定ハウジング１１に対し、上下そして左方方向のいずれでも対称な正規位置にある。この正規位置では、可動ハウジング２１は、図６（Ａ）の上下部分で見られるように、固定ハウジング１１との間に隙間δを等しく形成し、可動ハウジング２１の左右の被規制部２５は、同じ面積で規制金具４０の規制部４１により規制を受けている。このことは、上方から見て、規制部４１と当接していない被規制部２５が左右で同面積として表われていることから良くわかる。   The state of the floating can be well understood with reference to FIGS. FIGS. 6A and 6B are views of the connector 1 as viewed from above. FIG. 6A shows a case where the movable housing 21 is in a normal position with respect to the fixed housing 11, and FIG. The case where 21 exists in the position which is floating with respect to the fixed housing 11 is shown. In FIG. 6A, the movable housing 21 is in a normal position symmetrical with respect to the fixed housing 11 both in the vertical and left directions. In this normal position, the movable housing 21 is formed with an equal gap δ between the movable housing 21 and the fixed housing 11 as seen in the upper and lower parts of FIG. The same area is regulated by the regulation part 41 of the regulation bracket 40. This can be clearly seen from the top when the regulated portion 25 that is not in contact with the regulating portion 41 appears on the left and right as the same area.

一方、フローティング状態の図６（Ｂ）では、固定ハウジング１１に対して可動ハウジング２１が右上方に向け斜めに移動している。すなわち、図６（Ａ）における上方の隙間δはなくなっており、下方の隙間が増大している。さらに、左右方向では、右方の被規制部２５は左方の被規制部２５にくらべ大きい面積で規制部４１と当接した状態で該規制部４１により規制されている。換言すれば、左方の被規制部２５が規制を受けていない面積を図６（Ａ）の状態に比し小さくしている。このフローティングは図６（Ｂ）に見られるように、端子３０の弾性部３１の弾性変形によって可能となっている。   On the other hand, in FIG. 6B in the floating state, the movable housing 21 is moved obliquely toward the upper right with respect to the fixed housing 11. That is, the upper gap δ in FIG. 6A disappears, and the lower gap increases. Further, in the left-right direction, the right restricted portion 25 is regulated by the restricting portion 41 in a state in which the right restricted portion 25 is in contact with the restricting portion 41 with a larger area than the left restricted portion 25. In other words, the area where the left restricted portion 25 is not restricted is made smaller than the state shown in FIG. As shown in FIG. 6B, this floating is enabled by elastic deformation of the elastic portion 31 of the terminal 30.

上記レセプタクルコネクタ１の端子３０は、プラグコネクタ２が正規位置で嵌合しても、あるいはずれをもって嵌合しても、該端子３０の接触腕部３２は、それらの二つの腕部３２Ａ，３２Ｂの基部で可動ハウジング２１との一体成形でしっかりと保持されていながらも、該基部から上方に十分に長く延びているので、プラグコネクタ２の端子６０との間の弾性変位による接圧を十分大きく確保できる。   Even if the plug connector 2 is fitted in a normal position or fitted with a shift, the contact arm portion 32 of the terminal 30 of the receptacle connector 1 has two arm portions 32A and 32B. Although the base portion of the plug connector 2 is firmly held by integral molding with the movable housing 21 and extends sufficiently long from the base portion, the contact pressure due to elastic displacement with the terminal 60 of the plug connector 2 is sufficiently large. It can be secured.

このように、レセプタクルコネクタ１の端子３０はその接触部３３で大きな接圧をもってプラグコネクタ２の端子６０と接触しているので、プラグコネクタ２を抜出する際には、レセプタクルコネクタ１は上記接触部３３にて大きな摩擦力が抜出方向に作用し、可動ハウジング２１はその力によって上方に移動して可動量を増大しようとする傾向を示す。   Thus, since the terminal 30 of the receptacle connector 1 is in contact with the terminal 60 of the plug connector 2 with a large contact pressure at the contact portion 33, when the plug connector 2 is pulled out, the receptacle connector 1 contacts the contact. A large frictional force acts in the extraction direction at the portion 33, and the movable housing 21 tends to move upward by the force to increase the movable amount.

本実施形態では、固定ハウジング１１に規制金具４０が保持されており、該規制金具４０の規制部４１が可動ハウジング２１の被規制部２５の上面に面するように位置している。したがって、プラグコネクタ２の抜出時に、可動ハウジング２１が端子３０の接触部３３での摩擦力で上方に引かれても、上記被規制部２５が規制部４１に当接して上方移動が規制される。上記規制部４１は、プラグコネクタ２の抜出前の当初から被規制部２５の上面と接触していても、あるいは当初被規制部２５の上面との間に隙間があってもよい。   In the present embodiment, the restricting metal fitting 40 is held in the fixed housing 11, and the restricting portion 41 of the restricting metal fitting 40 is positioned so as to face the upper surface of the restricted portion 25 of the movable housing 21. Therefore, even when the movable housing 21 is pulled upward by the frictional force at the contact portion 33 of the terminal 30 when the plug connector 2 is pulled out, the restricted portion 25 contacts the restricting portion 41 and the upward movement is restricted. The The restriction portion 41 may be in contact with the upper surface of the restricted portion 25 from the beginning before the plug connector 2 is pulled out, or there may be a gap between the upper surface of the initially restricted portion 25.

上記規制金具４０は固定ハウジング１１により一体成形で強固に保持されているが、該規制金具４０自体でも、その複数の固定脚部４２で回路基板に半田固定されているので、上記規制部４１で可動ハウジング２１からの上方に向けた力を受けても十分な強度をもって、該可動ハウジング２１の上方への可動量を規制する。   The restricting bracket 40 is firmly held by the fixed housing 11 in an integral molding, but the restricting bracket 40 itself is also solder-fixed to the circuit board by the plurality of fixed leg portions 42. Even when a force directed upward from the movable housing 21 is received, the amount of upward movement of the movable housing 21 is regulated with sufficient strength.

本発明は、図１ないし図６に図示した例に限定されず、種々変形が可能である。   The present invention is not limited to the examples illustrated in FIGS. 1 to 6 and can be variously modified.

例えば、既出のレセプタクルコネクタ１の端子３０は、対向している一対の端子３０同士が別部材であったが、互いに連結されている一部材として形成されていてもよい。図６（Ａ）の場合、可動ハウジング２１に対し、左右に接触部３３を有する端子３０は一部材であり、接触部３３から下方に向け一方の腕部３２Ａがそして横方向に向け他方の腕部３２Ｂが延びている形態の接触腕部３２となっている。一方の腕部３２Ａの基部は、既出の形態の場合と同様に可動ハウジング２１の底部保持部２４により保持され、他方の腕部３２Ｂの基部は可動ハウジング２１の中央壁の上部で保持されている。   For example, the terminal 30 of the above-described receptacle connector 1 is formed as a single member connected to each other, although the pair of terminals 30 facing each other are separate members. In the case of FIG. 6A, the terminal 30 having the contact portions 33 on the left and right sides of the movable housing 21 is a single member, and one arm portion 32A is directed downward from the contact portion 33 and the other arm is directed laterally. The contact arm portion 32 has a configuration in which the portion 32B extends. The base portion of one arm portion 32A is held by the bottom holding portion 24 of the movable housing 21 as in the case of the above-described form, and the base portion of the other arm portion 32B is held by the upper portion of the central wall of the movable housing 21. .

かかる図７（Ａ）の端子３０を、対をなす二つの端子３０に分離することも可能である。例えば、図７（Ｂ）のように、他方の腕部３２Ｂを左右の接触部３３の間で切断した形態として、上記他方の腕部の基部を可動ハウジング２１のＴ字断面形状の中央型の上部で保持することとしている。   It is also possible to separate the terminal 30 in FIG. 7A into two terminals 30 that form a pair. For example, as shown in FIG. 7B, the other arm portion 32B is cut between the left and right contact portions 33, and the base portion of the other arm portion is a central type of the T-shaped cross section of the movable housing 21. We are going to hold it at the top.

１ 回路基板用電気コネクタ（レセプタクルコネクタ）
１１ 固定ハウジング
２１ 可動ハウジング
３０ 端子
３１ 中間弾性部
３２ 接触腕部
３２Ａ，３２Ｂ 腕部
３３ 接触部
３４ 固定側被保持部
３６ 可動側被保持部 1 Electrical connector for circuit boards (receptacle connector)
DESCRIPTION OF SYMBOLS 11 Fixed housing 21 Movable housing 30 Terminal 31 Intermediate | middle elastic part 32 Contact arm part 32A, 32B Arm part 33 Contact part 34 Fixed side held part 36 Movable side held part

Claims (4)

回路基板の面に固定取付けされる固定ハウジングと、該固定ハウジングに対して可動な可動ハウジングと、固定ハウジングと可動ハウジングに架け渡されて配列された複数の端子とを有し、固定ハウジングで保持される固定側被保持部と、可動ハウジングで保持される可動側被保持部と、固定側被保持部と可動側被保持部の間に位置する中間弾性部とを有している回路基板用電気コネクタにおいて、
端子は、固定側被保持部より延び固定ハウジング外に位置する一端部に設けられ回路基板へ接続される接続部と、固定側被保持部よりも端子の他端側位置で、可動ハウジングに形成された溝部内で移動可能に収められた接触腕部とを有し、
接触腕部が接触部でつながり弾性のある二つの腕部を有し、
二つの腕部のそれぞれの基部に上記可動側被保持部が形成されていて、
固定側被保持部が固定ハウジングで、そして可動側被保持部が可動ハウジングで、保持されていることを特徴とする回路基板用電気コネクタ。 A fixed housing fixedly mounted on the surface of the circuit board, a movable housing movable with respect to the fixed housing, and a plurality of terminals arranged across the fixed housing and the movable housing, and held by the fixed housing For a circuit board having a fixed side held portion, a movable side held portion held by a movable housing, and an intermediate elastic portion located between the fixed side held portion and the movable side held portion In electrical connectors,
The terminal is formed in the movable housing at the other end side of the terminal with respect to the fixed side held portion and the connection portion connected to the circuit board provided at one end portion located outside the fixed housing and extending from the fixed side held portion. A contact arm portion movably accommodated in the groove portion formed,
The contact arm part has two elastic parts connected at the contact part and having elasticity,
The movable side held portion is formed at the base of each of the two arms,
An electric connector for a circuit board, wherein the fixed side held portion is held by a fixed housing and the movable side held portion is held by a movable housing. 固定ハウジングは、可動ハウジングが回路基板から離れる方向での可動量を規制する規制金具が取り付けられていることとする請求項１に記載の回路基板用電気コネクタ。   The electrical connector for a circuit board according to claim 1, wherein the fixed housing is provided with a regulation fitting for regulating a movable amount of the movable housing in a direction away from the circuit board. 規制金具は、可動ハウジングの一部における上面に対して対面する規制部と、該規制部から延び回路基板に固定接続される複数の固定脚部とを有していることとする請求項２に記載の回路基板用電気コネクタ。   The restricting bracket includes a restricting portion facing a top surface of a part of the movable housing, and a plurality of fixed leg portions extending from the restricting portion and fixedly connected to the circuit board. The electrical connector for circuit boards as described. 規制金具の規制部は端子配列方向に直角なコネクタ幅方向に延びる平帯状をなし、複数の固定脚部が、コネクタ幅方向における該規制部の両端部の位置そして中間部の位置に設けられていることとする請求項３に記載の回路基板用電気コネクタ。   The restricting portion of the restricting bracket has a flat strip shape extending in the connector width direction perpendicular to the terminal arrangement direction, and a plurality of fixed leg portions are provided at the positions of both ends and the intermediate portion of the restricting portion in the connector width direction. The circuit board electrical connector according to claim 3.
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