JP2017111931A - Electric connector for circuit board connection - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow poor soldering connection on a wiring board to be prevented from occurring by keeping a flatness level or the like good during circuit board implementation by using a simple configuration.SOLUTION: An intermediate reinforcement member 13 extending toward a multipolar arrangement direction is arranged in a facing region of one pair of contact members 12, 12 next to each other in the multipolar arrangement direction, and thereby even if an electric connector is formed in a slender shape due to multi-polarization of transmission signals or the like, the electric connector is prevented from deforming by a support action of the intermediate reinforcement member 13, and the flatness level or the like of the electric connector to a wiring board is kept good.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a board-connecting electrical connector that is fitted to a mating connector while being mounted on a wiring board.

  In general, in various electrical devices, for example, an electrical connector device for board connection for electrically connecting a pair of wiring boards called a stacking connector is widely adopted. This type of board connecting electrical connector device is, for example, arranged above the electrical connector to which the wiring board is connected, so that the second electrical connector to which the other wiring board is connected, and in such a facing state. The second electrical connector on the upper side is pushed so as to descend toward the lower side electrical connector, whereby the two electrical connectors are brought into a fitted state, so that the two wiring boards are electrically connected to each other. It is configured to be connected.

  On the other hand, in recent years, multi-polarization of electrical connectors has been promoted based on the high frequency of signal transmission as well as downsizing and low-profile electronic devices. It is becoming a tendency to be formed in a long shape. In particular, an electrical connector having a so-called staggered arrangement in which a pair of contact members adjacent in the longitudinal direction of the electrical connector are arranged so as to face each other in a reversed direction is configured to have an elongated overall original shape. In many cases, the insulating housing having such a long shape may be deformed in a curved shape in the longitudinal direction at the time of molding, causing a problem in the flatness (coplanarity) of the contact member with respect to the wiring board, When mounting the electrical connector on the wiring board, it may cause a solder connection failure.

JP 2014-56762 A

  SUMMARY OF THE INVENTION An object of the present invention is to provide an electrical connector for connecting a board that has a simple configuration and that can maintain a good flatness during mounting and prevent poor solder connection to a wiring board. .

  In order to achieve the above object, in the invention according to claim 1, a plurality of contact members are arranged in a multipolar manner in the insulating housing, and the board connecting portions provided on each of the contact members are joined to the wiring board. The board connecting portions of the pair of contact members adjacent to each other in the multipolar arrangement direction face each other in a direction orthogonal to the multipolar arrangement direction. In the board connector electrical connector disposed in the intermediate connector, the intermediate reinforcing member extending in the multipolar array direction is disposed in a facing region between the pair of contact members adjacent to each other in the multipolar array direction. Configuration is adopted.

  According to the electrical connector for connecting a board having such a configuration according to claim 1, even when the electrical connector is formed in an elongated shape due to the multipolarization of the transmission signal, etc., the supporting action of the intermediate reinforcing member As a result, the strength of the electrical connector is increased and deformation is prevented, and the flatness of the electrical connector with respect to the wiring board is well maintained.

  Further, as in the invention according to claim 2, the intermediate reinforcing member extends continuously between contact members located at both ends in the multipolar arrangement direction, and the intermediate reinforcing member It is desirable that an intermediate member substrate connecting portion to be bonded to the wiring substrate is provided at both end portions in the extending direction.

  According to the electrical connector for board connection having the configuration according to the second aspect, the flatness of the electrical connector is further improved by the holding action of the intermediate member board connection portion with respect to the wiring board.

  Further, as in the invention according to claim 3, it is preferable that the intermediate reinforcing member is embedded in the insulating housing.

  According to the electrical connector for board connection having the configuration according to the third aspect, the strength and flatness of the electrical connector can be further enhanced by the holding action of both the intermediate board connection portion and the insulating housing.

  Further, as in the invention according to claim 4, the board connecting electrical connector described above is configured to be able to be fitted and removed from the second board connecting electrical connector mounted on the second wiring board. It is possible that

  Further, as in the invention according to claim 5, the second contact that the second board connecting electrical connector is brought into contact with the contact member of the board connecting electrical connector according to claims 1 to 3. The member may be provided in a second insulating housing, and the second contact member may have a locking portion fixed to the second insulating housing.

  Further, as in the invention according to claim 6, it is desirable that a pair of arm-like members sandwiching a part of the second insulating housing are arranged in the engaging portion in a state of facing each other.

  According to the electrical connector for board connection provided with the configuration according to claims 5 and 6, the second contact member is firmly fixed to the insulating housing through the engaging portion. The risk of deformation or breakage at the time of fitting / removing each other is reduced.

  Further, as in the invention according to claim 7, one of the pair of arm-shaped members is in contact with a part of the electrical connector for board connection according to claims 1 to 3 and is in a predetermined direction. It is desirable that a fitting guide surface for guiding fitting is formed.

  According to the board connecting electrical connector having the configuration according to the seventh aspect, the fitting / removing of the two electrical connectors is smoothly performed by the guiding action of the fitting guide surface. The fitting / extraction operation is facilitated, and the risk of breakage and the like is further reduced.

  As described above, the electrical connector for board connection according to the present invention has the intermediate reinforcing member extending in the multipolar arrangement direction arranged in the opposing region between the pair of contact members adjacent in the multipolar arrangement direction. Thus, even when the electrical connector is formed in a slender shape due to multipolarization of transmission signals, etc., the deformation of the electrical connector is prevented by the support action of the intermediate reinforcing member, and the flatness of the electrical connector with respect to the wiring board Therefore, it is possible to prevent poor solder connection to the wiring board when mounted on the board, and the reliability of the electrical connector for board connection can be greatly reduced at a low cost. Can be increased.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external perspective view illustrating a board connecting electrical connector (plug connector) according to an embodiment of the present invention from above. It is front explanatory drawing showing the electrical connector (plug connector) for board | substrate connection concerning one Embodiment of this invention shown by FIG. It is side surface explanatory drawing showing the electrical connector (plug connector) for board | substrate connection concerning one Embodiment of this invention shown by FIG.1 and FIG.2. FIG. 4 is an explanatory plan view showing an electrical connector (plug connector) for board connection according to an embodiment of the present invention shown in FIGS. 1 to 3. FIG. 5 is a bottom explanatory view showing an electrical connector (plug connector) for board connection according to an embodiment of the present invention shown in FIGS. 1 to 4. FIG. 6 is an external perspective explanatory view showing a state in which an insulating housing is omitted in the board connecting electrical connector (plug connector) according to the embodiment of the present invention shown in FIGS. FIG. 7 is an explanatory plan view of a board connecting electrical connector (plug connector) according to an embodiment of the present invention in a state where the insulating housing shown in FIG. 6 is omitted. It is an external appearance perspective explanatory view showing the intermediate reinforcement member used for the board-connecting electrical connector (plug connector) concerning one embodiment of the present invention shown in Drawings 1-7. It is plane explanatory drawing showing the intermediate reinforcement member concerning one Embodiment of this invention shown by FIG. It is explanatory drawing which expanded and represented the cross section along the XX line in FIG. FIG. 10 is an explanatory view showing, in an enlarged manner, a cross section corresponding to FIG. 10 showing a state in the middle of insert molding of the electrical connector (plug connector) for board connection according to one embodiment of the present invention shown in FIGS. is there. External perspective view showing a second board connecting electrical connector (receptacle connector) to which the board connecting electrical connector (plug connector) according to one embodiment of the present invention shown in FIGS. It is explanatory drawing. It is front explanatory drawing showing the 2nd electrical connector for board connections (receptacle connector) shown by FIG. FIG. 14 is an explanatory plan view showing the second board connecting electrical connector (receptacle connector) shown in FIGS. 12 and 13. It is a cross-sectional explanatory drawing along the XV-XV line | wire in FIG. It is a cross-sectional explanatory drawing along the XVI-XVI line in FIG. The board-connecting electrical connector (plug connector) according to one embodiment of the present invention shown in FIGS. 1 to 5 is used as the second board-connecting electrical connector (receptacle connector) shown in FIGS. It is an external appearance perspective explanatory view showing the electric connector device for board connection in the state where it fitted. It is front explanatory drawing showing the electrical connector apparatus for a board | substrate connection shown by FIG. FIG. 19 is an explanatory plan view showing the board connecting electrical connector device shown in FIG. 17 and FIG. 18. It is transverse cross-section explanatory drawing along the XX-XX line in FIG. It is a cross-sectional explanatory drawing along the XXI-XXI line in FIG. The board-connecting electrical connector (plug connector) according to one embodiment of the present invention shown in FIGS. 1 to 5 is used as the second board-connecting electrical connector (receptacle connector) shown in FIGS. It is transverse cross-sectional explanatory drawing equivalent to FIG. 20 showing the state in the middle of fitting. The board-connecting electrical connector (plug connector) according to one embodiment of the present invention shown in FIGS. 1 to 5 is used as the second board-connecting electrical connector (receptacle connector) shown in FIGS. It is transverse cross-sectional explanatory drawing equivalent to FIG. 21 showing the state in the middle of fitting. FIG. 22 is a cross sectional view corresponding to FIG. 22 showing a state in which the board connecting electrical connector (plug connector) according to the second embodiment of the present invention is fitted to the second board connecting electrical connector (receptacle connector). FIG. FIG. 23 is a cross-sectional view corresponding to FIG. 23 showing a state in which the board connecting electrical connector (plug connector) according to the second embodiment of the present invention is fitted to the second board connecting electrical connector (receptacle connector). FIG.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment in which the present invention is applied to an electrical connector device for connecting boards that connect printed wiring boards will be described in detail with reference to the drawings.

[Overall structure of electrical connector device]
The board-connecting electrical connector device according to the first embodiment of the present invention shown in FIGS. 1 to 23 is, for example, a printed wiring arranged in various electronic devices such as a mobile phone, a smartphone, or a tablet computer. A plug connector 10 as a first electrical connector according to the present invention shown in FIGS. 1 to 11 and shown in FIGS. 12 to 16 is used to electrically connect substrates. And a receptacle connector 20 as a second electrical connector. Of these, the plug connector (first electrical connector) 10 is mounted on the first wiring board P1 (see FIGS. 22 and 23), and the receptacle connector (second electrical connector) 20 is mounted on the second wiring board P2. (See FIGS. 22 and 23). Then, the plug connector 10 that is also mounted on the board is fitted into the receptacle connector 20 that is mounted on the board, so that the electrical connection between the first and second wiring boards P1 and P2 is achieved. Connection is made.

  In the following description, the fitting direction of the plug connector (first electrical connector) 10 and the receptacle connector (second electrical connector) 20 is “up and down direction”, and the receptacle connector 20 disposed on the lower side is shown. The plug connector 10 is opposed to the upper side in an upside down state, and when the plug connector 10 is pushed downward from such an opposed state, the two electric devices as shown in FIGS. The connectors 10 and 20 are fitted together. In addition, the plug connector 10 is pulled out from the receptacle connector 20 by pulling the plug connector 10 upward from the fitting state with an appropriate force.

  The operation of fitting / removing the plug connector (first electrical connector) 10 to / from the receptacle connector (second electrical connector) 20 described above is not limited to being performed by the operator's hand. Alternatively, it may be automatically performed by a predetermined jig or machine.

  Further, as described above, when the electrical connectors 10 and 20 are fitted and removed, the plug connector disposed on the upper side with respect to the receptacle connector (second electrical connector) 20 disposed on the lower side. (First electrical connector) 10 is opposed to each other in an upside down state. However, in describing the plug connector 10 alone, the state before inversion, that is, the first wiring board P1 disposed below is provided. In contrast, the description will be made with the plug connector 10 mounted from above.

[Specific structure of each electrical connector]
The plug connector (first electrical connector) 10 and the receptacle connector (second electrical connector) 20 have insulating housings 11 and 21 in the form of flat frame bodies having a substantially rectangular shape (rectangular shape). . The insulating housings 11 and 21 are, for example, molded using a resin material such as plastic, but a large number of contact members 12 and 22 are multipolar along the longitudinal direction of the insulating housings 11 and 21. Is arranged. Hereinafter, the longitudinal direction of the insulating housings 11 and 21 described above is referred to as “connector longitudinal direction”, and the direction orthogonal to the “connector longitudinal direction” and “vertical direction” is referred to as “connector width direction”.

[Contact materials]
As described above, each of the contact members 12 and 22 arranged in a multipolar manner is arranged in a substantially parallel state to each other. More specifically, the contact members 12 and 22 are alternately arranged at substantially constant intervals in the “connector longitudinal direction”. It is made in a so-called zigzag arrangement opposite to. That is, the pair of contact members 12 and 12 adjacent to each other in the “connector longitudinal direction” and the contact members 22 and 22 are arranged in a state of being opposed to each other in the “connector width direction” and will be described later. The board connecting portions 12a and 22a provided in the contact members 12 and 22 are arranged in a relationship of alternately extending in the opposite direction in the “connector width direction”.

  The detailed structure of each of the contact members 12 and 22 will be described later. However, the contact members 12 and 22 arranged in a multipolar manner in the “connector longitudinal direction” in the staggered arrangement described above, Two electrode rows arranged in a state of being opposed in the “width direction” are also formed in a staggered arrangement. The two electrode rows arranged in a staggered manner are arranged substantially in parallel along the “connector longitudinal direction”, and when the two electrical connectors 10 and 20 are fitted to each other, The electrode row and the electrode row on the contact member 22 side are in a relation of elastically fitting with each other. Such a fitting relationship between the two electrical connectors 10 and 20 will be described later.

[About plug-side contact members]
First, each of the plurality of contact members 12 provided in the plug connector (first electrical connector) 10 is formed of a bent body of a metal strip-like member, and is embedded in the insulating housing 11 by insert molding, for example. The insulating housing 11 is disposed so as to extend in the vertical direction along the side wall surface in the “connector width direction”. Note that the arrangement positions of the contact members 12 with respect to both side wall surfaces of the insulating housing 11 are alternately inverted in the “connector longitudinal direction” based on the staggered arrangement as described above.

  Further, as described above, the lower end portion of each contact member 12 extending in the vertical direction is soldered to a conductive path (not shown) on the first wiring board P1 (see FIGS. 22 and 23). The board connecting portion 12a is provided so as to extend outward in the “connector width direction”. Furthermore, the electrode part 12b is integrally extended toward the upper direction from the board | substrate connection part 12a. The electrode portion 12b extends along the side wall surface in the “connector width direction” of the insulating housing 11 so as to be exposed to the outside. However, the connection between the electrode portion 12b and the substrate connecting portion 12a described above is provided. The portion is curved so as to be recessed inward from the side wall surface of the insulating housing 11.

  On the other hand, an electrode portion 12b that is exposed and extended outward from the side wall surface of the insulating housing 11 is provided with a contact recess 12c that is recessed in a central region in the vertical direction. The contact recess 12c is arranged so that a contact member 22 on the side of a receptacle connector (second electrical connector) 20 to be described later contacts.

  The electrode portion 12b described above extends upward along the side end surface of the insulating housing 11, and then bends and extends in a curved shape at a substantially right angle from the upper end edge of the insulating housing 11 toward the inward side in the “connector width direction”. It extends in a state where it is exposed to a portion slightly closer to the front than the center position in the “connector width direction” on the upper surface of the insulating housing 11. And based on the staggered arrangement described above, the portion between the electrode portions 12b, 12b arranged on both sides in the “connector width direction” is formed on the upper wall surface of the insulating housing 11 along the “connector longitudinal direction”. The central concave groove 11a extends continuously.

  In this way, the pair of contact members 12 and 12 that are arranged adjacent to each other in the “connector longitudinal direction” based on the so-called staggered arrangement do not overlap each other when viewed in the “connector longitudinal direction”. Has been made.

  The above-mentioned portion where the upper portion of the electrode portion 12b is bent is a fitting guide having a guiding function at the time of fitting to a contact member 22 on a receptacle connector (second electrical connector) 20 described later. It is made on the surface 12d. This point will be described later.

[Reset side contact material]
Next, the contact member 22 provided in the receptacle connector (second electrical connector) 20 is formed from a pressed part of a metal plate member, and is fixed to the insulating housing 21 by press-fitting, for example. The contact member 22 provided on the receptacle connector 20 side also has a board connecting portion 22a that is soldered to a conductive path (not shown) on the second wiring board P2 (see FIGS. 22 and 23). However, the board connection portion 22 a is disposed inside a contact housing recess 21 a that is cut out at the lower end edge portion of the side wall portion of the insulating housing 21 in the “connector width direction”. The outer end of the board connecting portion 22a is disposed so as to be substantially flush with the side wall surface of the insulating housing 21 in the “connector width direction”.

  Further, the contact member 22 is provided with a housing attachment portion 22b in the upper part of the above-described substrate connection portion 22a, and the housing attachment portion 22b is provided on the upper portion of the insulating housing 21 so as to form a plate shape. The entire contact member 22 is maintained in a fixed state by being press-fitted into the contact support piece 21b. The contact support piece 21b on the insulating housing 21 side is formed from a plate-like member that hangs downward from the upper wall portion constituting the ceiling plate of the insulating housing 21 toward the inside of the connector. The contact support piece 21b is configured such that the housing mounting portion 22b of the contact member 22 holds the contact support piece 21b from both sides in the “connector width direction”.

  More specifically, the housing mounting portion 22b of the contact member 22 described above is composed of a pair of arm-like members arranged to oppose each other in the “connector width direction”, and protrudes from the opposing surface of each arm-like member. The locking portions 22c, 22c formed so as to form a shape are arranged so as to bite into the contact support piece 21b from both sides in the “connector width direction”, thereby being firmly fixed.

  At this time, of the pair of arm-like members constituting the housing attachment portion 22b of the contact member 22 described above, the upper edge portion of the inner arm-like member arranged on the inner side of the “connector width direction” is the connector. It is made into the inclined surface which descend | falls toward the center side, and the downward inclined surface is made into the fitting guide surface 22d which has the guidance function of the fitting with respect to the insulation housing 11 by the side of the plug connector (1st electrical connector) 10. FIG. ing. This point will be described later.

  Note that the housing mounting portion 22b of the contact member 22 having such a configuration is arranged so as to be shifted to one end side portion in the “connector width direction”, but is adjacent to the “connector longitudinal direction”. The housing mounting portion 22b of the contact member 22 is arranged so as to be shifted to the other end side in the “connector width direction” based on a so-called staggered arrangement.

  The elastic beam 22e having a substantially U-shaped side surface is connected to the other end in the “connector width direction” from the housing mounting portion 22b disposed in the one end side portion or the other end side portion in the “connector width direction”. Cantilevered toward the side or one end. That is, the elastic beam 22e extends from the housing mounting portion 22b so as to hang downward, and then bends at a substantially right angle and extends along the upper surface of the wiring board P2. The other end portion or one end side portion in the “connector width direction” extends so as to rise in a curved shape at a substantially right angle upward again. A contact convex portion 22f that contacts the contact member 12 on the plug connector (first electrical connector) 10 side is provided so as to protrude from the extending side of the elastic beam 22e, that is, the leading end portion on the rising side. Yes.

  Here, as described above, the contact convex portion 22f provided at the distal end portion (upper end portion) of the elastic beam 22e is formed with an inclined surface that descends toward the connector center side. The fitting guide surface 22g has a guiding function during fitting to the plug connector (first electrical connector) 10. This point will also be described later.

[About the intermediate reinforcing member of the plug connector]
On the other hand, the insulating housing 11 provided in the plug connector (first electrical connector) 10 described above has a pair of contact members 12, 12 adjacent to each other in the central region of the insulating housing 11, that is, in the multipolar arrangement direction. The intermediate reinforcing member 13 extending in the multipolar array direction is disposed in the opposite region. The intermediate reinforcing member 13 is formed of a long strip-like member, and is disposed in a state of being embedded in the above-described insulating housing 11 by insert molding.

  More specifically, the intermediate reinforcing member 13 is formed of a plate-like member having a substantially rectangular cross section perpendicular to the longitudinal direction, and the side portion on the long side in the substantially rectangular cross sectional shape is It is arranged so as to extend in the “vertical direction”, and the side part on the short side is arranged so as to extend in the “connector width direction”. In other words, the bending strength in the vertical direction is increased by such an arrangement relationship.

  The intermediate reinforcing member 13 is disposed over almost the entire length of the insulating housing 11 and continuously extends between the contact members 22 and 22 located at both ends in the multipolar arrangement direction (connector longitudinal direction). ing. Then, intermediate member substrate connection portions 13a and 13a joined to the first wiring substrate P1 (see FIGS. 22 and 23) are integrally formed at both ends of the intermediate reinforcing member 13 in the extending direction (connector longitudinal direction). Is formed. Each of the intermediate member board connecting portions 13a is provided in a state of extending from the lower end edge portion of the intermediate reinforcing member 13 so as to bend and bend at a substantially right angle outward in the “connector width direction”. .

  Note that the plug connector (first electrical connector) 10 having the intermediate reinforcing member 13 having such a configuration is manufactured by insert molding as described above, and at that time, as shown in FIG. The intermediate reinforcing member 13 is held in a state where the intermediate reinforcing member 13 is sandwiched between the holding pieces 14a of a plurality of bodies (three bodies) projecting from the molding surface of the slide mold part 14 forming a part of the mold apparatus. It has become. Accordingly, when the molding is completed, the insulating housing 11 is formed with a molding recess 11b (see FIGS. 5 and 10) as a trace of the multiple (three) holding pieces 14a being pulled out.

[Mating guide surface]
Here, the fitting guide surface 12d of the contact member 12 provided on the plug connector (first electrical connector) 10 and the contact member 22 provided on the receptacle connector (second electrical connector) 20 are fitted. The structure of the guide surface 22d and the fitting guide surface 22g will be described.

  First, the fitting guide surface 12d on the plug connector (first electrical connector) 10 side is constituted by a curved bent portion in an upper portion of the electrode portion 12b of the contact member 12. On the other hand, the fitting guide surface 22d and the fitting guide surface 22g on the receptacle connector (second electrical connector) 20 side are formed by inclined surfaces formed on the housing mounting portion 22b and the contact convex portion 22f. Among them, the inclined surfaces constituting the fitting guide surface 22d and the fitting guide surface 22g on the receptacle connector 20 side extend so as to descend obliquely from the outer side to the connector center side in the “connector width direction”. In the “connector width direction”, they are arranged to face each other.

  Then, in the portion between the fitting guide surface 22d on the side of the receptacle connector (second electrical connector) 20 and the fitting guide surface 22g, in particular, as shown in FIG. The insulating housing 11 on the side of the plug connector (first electrical connector) 10 is inserted from above, and the fitting guide surface 12d on the plug connector 10 side becomes the fitting guide surface 22g on the receptacle connector 20 side. On the other hand, the edge corner portion of the insulating housing 11 constituting the plug connector 10 comes into contact with the fitting guide surface 22d on the receptacle connector 20 side from above.

  That is, when the two electrical connectors 10 and 20 are fitted to each other, a contact relationship including the above-described fitting guide surfaces 12d, 22d, and 22g is configured, whereby both the electrical connectors 10, 20 are configured. Even when the fitting operation is performed in an inclined state as shown in FIG. 22 or FIG. 23, the mutual fitting position is regulated to an appropriate state, and both electrical connectors 10, The fitting operation between 20 is smoothly performed.

[Fixing bracket]
On the other hand, in the plug connector (first electrical connector) 10 and the receptacle connector (second electrical connector) 20, the plug-side fixing brackets 15, 15 and the receptacle-side fixing bracket 23, A pair of 23 is provided. Each of the fixing brackets 15 and 23 is formed of a bent structure of a metal plate that covers both end portions in the “connector longitudinal direction” of the insulating housings 11 and 21, and the first and second wiring boards P1 and P2 described above. Substrate connecting portions 15a and 23a that are soldered to the conductive paths (not shown) provided in P2 at the time of mounting are provided.

  When the electrical connectors 10 and 20 are fitted to each other, the plug-side fixing bracket 15 provided on the plug connector 10 side is an area on the inner side of the receptacle-side fixing bracket 23 provided on the receptacle connector 20 side. It is supposed to be fitted in.

  Even in the case where the plug connector (first electrical connector) 10 is formed in an elongated shape as the transmission signal is multipolarized as in the first embodiment having such a configuration, the intermediate reinforcing member The support action of 13 increases the strength of the insulating housing 11 and the plug connector 10 as a whole and prevents deformation, so that the flatness of the plug connector 10 with respect to the first wiring board P1 is well maintained.

  That is, in the board connecting electrical connector device having the above-described configuration, in particular, the plug connector (first electrical connector) 10, the holding action of the intermediate reinforcing member 13 in addition to the holding action of the insulating housing 11 with respect to the first wiring board P 1. For example, the possibility of being deformed in a curved shape in the longitudinal direction at the time of molding is greatly reduced, and as a result, the flatness (coplanarity) of the contact member 12 with respect to the first wiring board P1 is maintained well. As a result, it is possible to eliminate a solder connection failure or the like when the plug connector 10 is mounted on the first wiring board P1.

  Furthermore, in the present embodiment, the contact member 22 provided in the receptacle connector (second electrical connector) 20 passes through the locking portions 22c and 22c of the housing attachment portion 22b provided in the contact member 22, and the insulating housing 11 Therefore, the risk of breakage or the like when the electrical connectors 10 and 20 are fitted and removed is reduced.

  In addition, according to the present embodiment, the electrical connectors 10 and 20 are smoothly fitted together by the guiding action of the fitting guide surfaces 12d, 22d, and 22g. In addition to facilitating the fitting / extraction operation, the risk of breakage and the like is further reduced.

  Next, the structure of the second embodiment shown in FIGS. 24 and 25 will be described. In the present embodiment, the receptacle connector (second electrical connector) 20 is the same as that in the first embodiment described above, but the member code 10 assigned in the first embodiment is used. As for the plug connector (first electrical connector) 30 expressed by replacing “1” with “3”, the shape of the contact member 32 is different. More specifically, in the present embodiment, among a plurality of contact members 32 arranged in a so-called staggered manner, a pair of contact members 32 and 32 that are arranged adjacent to each other in the “connector longitudinal direction” are “connectors”. When viewed in the “longitudinal direction”, they are arranged so as to partially overlap each other.

  That is, these contact members 32 are also the same as the first embodiment described above in that they are arranged in a so-called staggered arrangement at substantially constant intervals in the “connector longitudinal direction”. The board connection portions 32 a and 32 a provided on the pair of contact members 32 and 32 adjacent to each other are alternately inverted, and each board connection portion 32 a is formed on the bottom surface of the insulating housing 31. It extends along the “connector width direction”. The front end portions of the respective board connection portions 32a protrude outward from one side wall surface of the insulating housing 31 by a predetermined length, and rise along the other side wall surface of the insulating housing 31. It is connected to the electrode part 32b extending in the direction so as to be continuous.

  At this time, the electrode part 32b described above extends so as to surround the outer periphery of the insulating housing 31, and after extending upward along the other side wall surface of the insulating housing 31 from the board connecting part 32a, the insulating part 31 is insulated. The housing 31 is bent from the upper surface (the lower surfaces in FIGS. 24 and 25) so as to extend along the one side wall surface described above.

  As described above, the contact member 32 according to the present embodiment is arranged so as to surround the outer side of the intermediate reinforcing member 33 embedded in the insulating housing 31, but the second embodiment having such a configuration. In this embodiment, substantially the same operations and effects as those of the above-described embodiment can be obtained. In particular, the following operations and effects can be obtained in the present embodiment. That is, when the electrical connectors 30 and 20 are fitted to each other, the fitting guide surface 32d of the contact member 32 according to the present embodiment contacts the fitting guide 22d provided on the contact member 22 on the receptacle connector 20 side. In doing so, the contact relationship between the metal members is realized, and the fitting operation between the two electrical connectors 30 and 20 is further facilitated from the improvement of so-called fitting guide properties.

  As mentioned above, although the invention made by the present inventor has been specifically described based on the embodiment, the present embodiment is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. Needless to say.

  As described above, the present invention can be widely applied to a wide variety of board-connecting electrical connector devices used in various electronic and electrical devices.

10 Plug connector (first electrical connector)
DESCRIPTION OF SYMBOLS 11 Insulation housing 11a Center recessed groove 11b Molding recessed part 12 Contact member 12a Board | substrate connection part 12b Electrode part 12c Contact recessed part 12d Fitting guide surface 13 Intermediate reinforcement member 13a Intermediate member board | substrate connection part 14 Slide mold part 14a Holding piece 15 Plug side fixation Metal fitting 15a Substrate connector 20 Receptacle connector (second electrical connector)
21 Insulating housing 21a Contact accommodating recess 21b Contact support piece 22 Contact member 22a Board connecting portion 22b Housing mounting portion 22c Locking portion 22d Fitting guide surface 22e Elastic beam 22f Contact convex portion 22g Fitting guide surface 23 Recess side fixing bracket 23a Substrate Connection part P1 First wiring board P1
P2 Second wiring board P2
30 plug connector (first electrical connector)
31 Insulating housing 32 Contact member 32a Board connection part 32b Electrode part 32c Contact concave part 32d Fitting guide surface

Claims (7)

A plurality of contact members are arranged in a multipolar shape in an insulating housing, and a board connecting portion provided in each of the contact members is configured to be mounted by being joined to a wiring board,
In the board connecting electrical connector, the board connecting portions of the pair of contact members adjacent to each other in the multipolar arrangement direction are opposed to each other in a direction orthogonal to the multipolar arrangement direction.
An electrical connector for connecting a board, wherein an intermediate reinforcing member extending in the multipolar array direction is disposed in a facing region between the pair of contact members adjacent to each other in the multipolar array direction . The intermediate reinforcing member extends continuously between contact members located at both ends in the multipolar arrangement direction, and
The board-connecting electrical connector according to claim 1, wherein an intermediate member board connecting portion joined to the wiring board is provided at both ends of the intermediate reinforcing member in the extending direction.   The electrical connector for board connection according to claim 1, wherein the intermediate reinforcing member is embedded in the insulating housing.   The board connecting electrical connector according to any one of claims 1 to 3, wherein the board connecting electrical connector is configured to be fitted and removed from the second board connecting electrical connector mounted on the second wiring board. An electrical connector device for board connection. The second electrical connector for board connection is provided with a second contact member in contact with the contact member of the electrical connector for board connection described in claims 1 to 3 in a second insulating housing. There,
5. The board connecting electrical connector device according to claim 4, wherein the second contact member has a locking portion fixed to the second insulating housing.   6. The electrical connector device for board connection according to claim 5, wherein a pair of arm-like members sandwiching a part of the second insulating housing are arranged in the engaging portion so as to face each other.   One of the pair of arm-shaped members has a fitting guide surface that contacts a part of the board connecting electrical connector according to claim 1 and guides fitting in a predetermined direction. The board-connecting electrical connector device according to claim 6, wherein the board-connecting electrical connector device is formed.

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