JP2014203554A - Substrate connection connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a substrate connection connector which can be made compact, and can prevent a positioning part from being damaged during connection work.SOLUTION: In a substrate connection connector, a socket 7 includes female side guide parts 9, 9 having a female side guide groove 8 toward the connection direction, and a plug 4 includes a male side guided part 10 being inserted into the female side groove 8. In the female side guide part 9, concave avoidance notches 30 are formed in the peripheral walls 25, 25 facing in the connector width direction on both sides of the female side groove 8, and a female side guided body 28 is provided between the walls 25, 25 on both sides. The male side guided part 10 includes a male side guide groove 14 toward the fitting direction for inserting the female side guided body 28, and both side faces of the female side guided body 28 in the connector width direction are guided to the inner side face of the male side guide groove 14.

Description

  The present invention relates to a board connector used mainly for board-to-board connection.

  Conventionally, the electrical connection between the board and the board has a plug having a projecting plug part in which a plurality of plug-side signal terminals are arranged on the outer surface part, and a plug insertion groove into which the plug part is inserted, A board connector having a socket in which a plurality of socket-side signal terminals are arranged on the inner side surface of the plug insertion groove is used. The socket and the plug are connected, and the plug portion is fitted into the plug insertion groove. Are electrically connected to each other by elastic contact.

  Such a board connecting connector includes female side guide portions having rectangular guide grooves in the connecting direction at both ends in the longitudinal direction of the socket, and the end surfaces at the both ends in the longitudinal direction of the plug are closer to the socket than the end surface of the plug portion. The plug portion is placed at a predetermined position in the plug insertion groove by guiding the connector width direction side surface and the connector longitudinal direction end surface of the guided body to the inner surface of the guide groove. It is adapted to be fitted (see, for example, Patent Document 1).

  In addition, the board connection connector is provided with an inclined surface that is inclined so that the distance between the opposing surfaces advances toward the board side at the other opening edge of the guide groove formed on the peripheral edge of the socket. When the socket and the plug are displaced in the horizontal direction, the side edge of the guided body slides on the inclined surface so that the guided body is guided to the guide groove so that the deviation can be absorbed. It has become.

JP 2010-97724 A

  However, in the conventional technology as described above, if the wall thickness of the female guide portion peripheral wall around the guide groove is made thin in order to reduce the size of the entire connector, the strength of the peripheral wall is insufficient, and the guided body collides with the peripheral wall. There was a risk of breakage.

  On the other hand, in order to secure the strength of the peripheral wall, it is conceivable to reinforce the peripheral wall with a metal plate material, but the dividing wall of the thickness of the metal plate material has to be thick, which can be a factor that hinders downsizing of the connector. It was a thing.

  Furthermore, when the wall thickness of the peripheral wall is reduced, there is a problem that the horizontal distance of the inclined surface portion for guidance cannot be sufficiently taken and the adjustable distance can be shortened.

  Therefore, in view of such a conventional problem, the present invention has been made for the purpose of providing a board connection connector that can be reduced in size and can prevent the positioning portion from being damaged during connection work. is there.

  The feature of the invention described in claim 1 for solving the conventional problems as described above and achieving an intended object is a plug-like plug portion in which a plurality of plug-side signal terminals are disposed on an outer surface portion. And a socket in which a plurality of socket side signal terminals are arranged on mutually opposite inner side surface portions of the plug insertion groove into which each plug portion is inserted, and a connection direction is provided to either the plug or the socket. A female guide part having a female guide groove directed toward the female side, and a male guide member inserted into the female guide groove on the other side, and when the plug and socket are connected, the male guide part In the board connector in which each plug portion is fitted at a predetermined position of each plug insertion groove by guiding the body to the inner side surface portion of the female side guide groove, the female side guide portion is: Across the female guide groove A concave avoidance notch is formed in the peripheral wall portion facing in the connector width direction, and a female-side guided body is provided between the both side wall portions in parallel with the peripheral wall portion, and the male-side guided body is The male side guide groove is provided in the fitting direction in which the female side guided body is inserted, and both side surface portions of the female side guided body in the connector width direction are guided to the inner side surface portion of the male side guide groove. Located on the board connector.

  According to a second aspect of the present invention, in addition to the structure of the first aspect, an expansion portion that expands in the connector width direction as it advances toward the mating side formed at the mating side opening edge of the male side guide groove. And / or having a reduced width portion whose width in the connector width direction becomes narrower toward the other end at the other end of the female guided body.

  As described above, the board connector according to the present invention includes a plug having a projecting plug portion in which a plurality of plug-side signal terminals are disposed on the outer surface portion, and a plug insertion groove into which each plug portion is inserted. A socket in which a plurality of socket side signal terminals are disposed on the inner side surfaces facing each other, and a female side guide portion having a female side guide groove directed in a connecting direction in either one of the plug or the socket, The other side is provided with a male guided body inserted into the female side guide groove, and when connecting the plug and the socket, by guiding the male side guided body to the inner side surface of the female side guide groove, In the board connecting connector in which each plug portion is fitted in a predetermined position of each plug insertion groove, the female side guide portion is a peripheral wall portion facing in the connector width direction across the female side guide groove Concave An avoidance notch is formed, and a female guided body is provided between the both side walls in parallel with the peripheral wall, and the male guided body is inserted into the female guided body. When the socket and the plug are connected by providing the male side guide groove directed in the mating direction and guiding the both side surface portions of the female side guided body to the inner side surface portion of the male side guide groove. Since the guided body can be prevented from coming into contact with the peripheral wall portion of the female-side guide groove which is easily damaged, the peripheral wall portion can be made thinner, and the entire connector can be downsized accordingly.

  Further, in the present invention, an expansion portion that expands in the connector width direction as it advances toward the mating side formed at the mating opening edge of the male side guide groove and / or the mating side of the female side guided body is provided. By providing the side end portion with a reduced width portion whose width in the connector width direction becomes narrower as it advances toward the mating side, even if the entire connector is miniaturized, a sufficient distance adjustment distance can be secured.

It is a disassembled perspective view which shows an example of the board | substrate connector which concerns on this invention. The top view which shows the plug in FIG. 1, (b) is the same front view, (c) is the same bottom view, (d) is the same side view. It is a figure which shows the socket in FIG. 1, Comprising: (a) is a top view, (b) is a front view, (c) is the sectional view on the AA line. It is a partial expanded front view for demonstrating the position adjustment operation | work of a connector length direction. It is a partial expanded sectional view for demonstrating the position adjustment operation | work of a connector width direction same as the above.

  Next, an embodiment of the board connecting connector according to the present invention will be described based on the embodiment shown in FIGS. Reference numeral 1 in the figure denotes a board connection connector for board-to-board connection.

  As shown in FIG. 1, the board connector 1 includes a plug 4 having projecting plug portions 3, 3 in which a plurality of plug-side signal terminals 2, 2,. 3 are provided on the inner surface of the plug insertion grooves 5 and 5 into which the plurality of socket-side signal terminals 6, 6... Are arranged. .. Are connected to the socket side signal terminals 6, 6..., And the plug 4 and the socket 7 are respectively connected via the signal terminals 2, 6. The mounted substrates are electrically connected to each other.

  In the present embodiment, the longitudinal direction of the plug portion 3 is described as the connector longitudinal direction, the direction orthogonal to the connector longitudinal direction in the horizontal direction is defined as the connector width direction, and the direction in which the plug 4 and the socket 7 face each other is defined as the connection direction. .

  The board connector 1 is provided with female side guide portions 9 and 9 having female side guide grooves 8 oriented in the connecting direction in a socket 7, and a male side guided body 10 fitted into the female side guide groove 8 in the plug 4. , 10 are provided, and when the plug 4 and the socket 7 are connected, the male guided body 10 is guided to the inner side surface portion of the female side guide groove 8 so that the plug portions 3, 3 are connected to the plug insertion grooves 5, 5. 5 is fitted at a predetermined position.

  As shown in FIG. 2, the plug 4 includes a plug body 11 made of an insulating resin having projecting plug portions 3 and 3, and a plurality of plug-side signal terminals 2, 2. It is integrated by insert molding.

  The plug body 11 is integrally formed of an insulating synthetic resin, and has a flat plate-like base portion 12, projecting plug-like plug portions 3 and 3 projecting from the surface of the base portion 12 and extending in the connector longitudinal direction, and both end portions in the connector longitudinal direction. Are provided with male guided bodies 10, 10, and the base 12 and both plug parts 3, 3 form a U-shaped cross-section that is continuous in the connector longitudinal direction, and both plug parts 3, 3 The male guided bodies 10 and 10 arranged at both ends form a rectangular frame shape in plan view.

  The male-side guided body 10 is formed in a rectangular parallelepiped shape, and integrally includes guide convex portions 13 and 13 having a shape bulging toward the socket 7 (partner) side at the socket-side end surface portion.

  The guide convex portions 13 and 13 have a square frustum shape in which the socket-side end surface height is higher than the socket-side end surface height of the plug portions 3 and 3, and the guide inclined surface portions 13a and 13b are formed on the peripheral portions thereof, respectively. Is formed.

  Moreover, the male side guided body 10 is provided with a concave groove-shaped male side guide groove 14 directed in the connecting direction on the end surface portion in the connector longitudinal direction.

  The male side guide groove 14 is disposed between both guiding convex portions 13, 13, and the inclined surface portions 13 a, 13 a facing each other in the connector width direction of both guiding convex portions 13, 13 are sockets 7 of the male side guiding groove 14. The connector is arranged on the side opening edge so as to be continuous with the inner side surface 14a of the male side guide groove 14 in the connector width direction, and proceeds to the other side opening edge of the male side guide groove 14 by the both inclined surface parts 13a and 13a. An expanding portion 15 that expands in the width direction is formed.

  As shown in FIG. 3, the socket 7 includes a socket body 20 made of an insulating resin material and a plurality of socket-side signal terminals 6, 6..., And the socket-side signal terminals 6, 6. .. is formed by incorporating.

  The socket body 20 is integrally formed of an insulating synthetic resin, and has a flat plate-like fitting portion 21 and female-side guide portions 9 and 9 having female-side guide grooves 8 disposed on both ends of the fitting portion 21. It has.

  The fitting portion 21 includes side wall portions 23 and 23 having a shape raised from both side edges of the flat bottom plate portion 22 in the connector width direction, and a central convex portion 24 disposed at the center portion of the bottom plate portion 22. Recessed plug insertion grooves 5 and 5 into which the plug parts 3 and 3 are inserted are formed in a parallel arrangement at intervals in the connector width direction between the parts 23 and 23 and the central convex part 24.

  The female side guide portions 9 and 9 include peripheral wall portions 25 and 25 that are continuous with the side wall portion 23 of the fitting portion 21 and face each other in the connector width direction, and end wall portions 26 that are disposed at both ends in the connector longitudinal direction. The female side guide groove 8 is formed in the connecting direction surrounded by the peripheral wall portions 25, 25, the end wall portion 26 and the end face of the fitting portion 21.

  The end wall portion 26 is formed in a shape in which the height of the end face on the plug 4 side is higher than the height of the end face on the plug 4 side of the fitting portion 21 and rises facing each other in the connector longitudinal direction. The longitudinal end surface 10a of the male guided body 10 is guided by the inner side surface 26a, and the plug 4 is fitted between the both end wall portions 26, 26.

  In addition, the end wall portion 26 is formed with a guide inclined surface portion 27 that is inclined inwardly at the inner edge of the upper end, and as shown in FIGS. 4A to 4C, the socket 7 and the plug 4 are positioned at the connector. When shifted in the longitudinal direction, the end-side inclined surface portion 13b of the guiding convex portions 13 and 13 and the guiding inclined surface portion 27 slide relative to each other, and the longitudinal-direction end surface 10a of the male-side guided body 10 is formed on the end wall portion 26. It is guided to the inner side surface portion 26 a of the inner side, that is, the female side guide groove 8.

  The female side guide portions 9, 9 are provided with a female side guided body 28 in parallel with the peripheral wall portions 25, 25 between the peripheral wall portions 25, 25, and this female side when the socket 7 and the plug 4 are connected. Both side surfaces 28a, 28a of the guided body 28 in the connector width direction are guided by the inner side surfaces 14a, 14a of the male side guide groove 14 facing each other.

  The female-side guided body 28 is formed in a ridge shape in which the height of the end surface on the socket 7 side is higher than the height of the end surface on the socket 7 side of the fitting portion 21 and protrudes from the center inner surface of the end wall portion 26.

  Further, the female guided body 28 is provided with inclined surface portions 29a and 29a formed on both sides of the plug 4 side end portion in the connector width direction, so that the connector width increases toward the socket 7 (partner) side at the plug 4 side end portion. A reduced width portion 29 that narrows the width in the direction is provided.

  Therefore, as shown in FIG. 5 (a), even if the positions of the socket 7 and the plug 4 are shifted in the connector width direction, the expansion formed at the opening edge of the male guide groove 14 is not affected. The inclined surface portion 13a of the opening 15 and the inclined surface portion 29a of the reduced width portion 29 slide with each other, and as shown in FIG. 5B, the connector width direction side surfaces 28a and 28a of the female guided body 28 are on the male side. The guide groove 14 is guided to the inner side surfaces 14a and 14a.

  The peripheral wall portions 25, 25 are each provided with an avoidance notch portion 30 that is notched so as to be recessed in the connecting direction. Even if the plug 4 and the socket 7 are displaced in the connector width direction, the male side cover 25 The guide body 10 and the peripheral wall portions 25 and 25 are not in contact with each other. In addition, it is preferable that the connector longitudinal direction width | variety of the notch part 30 for avoidance is formed substantially the same as the connector longitudinal direction width | variety of the male side guided body 10, or slightly large.

  Further, even when the guide inclined surface portion 27 of the end wall portion 26 and the one side edge of the avoidance cutout portion 30 are formed continuously, the longitudinal position between the socket 7 and the plug 4 is displaced. The end inclined surface portion 13b of the guiding convex portions 13 and 13 and the guiding inclined surface portion 27 slide with each other, and the longitudinal end surface of the male guided body 10 is inside the end wall portion 26, that is, the female guide groove 8. Therefore, the male guided body 10 and the peripheral wall portions 25 and 25 are not in contact with each other.

  In the board connector 1 thus configured, the height of the socket-side end surface of the male guided body of the plug 4 is higher than the height of the socket-side end surface of the plug portion 3, and the openings of the female-side guide portions 9, 9 of the socket 7. Since the end surface height is formed higher than the plug-side end surface height of the fitting portion 21, when connecting the socket 7 and the plug 4, the end portions of the male and female derivatives 28, 10 and the male and female guide grooves 8, 14 are connected. The opening edge portions of the first and second openings contact each other and guide each other to a predetermined position.

  At that time, by providing the avoidance notch 30 in the thin peripheral wall portions 25, 25, the peripheral wall portion which is easily damaged even when the positions of the plug 4 and the socket 7 are displaced in the connector width direction. Since the contact of the male guided body 10 to 25, 25 is avoided, the breakage can be prevented.

  On the other hand, the female side guide portion 9 is provided with a female side guided body 28 in parallel with the peripheral wall portions 25, 25, the male side guided body 10 is provided with the male side guide groove 14, and the connector width of the female side guided body 28 is By guiding the direction side surfaces 28a, 28a to the inner surfaces 14a, 14a of the male guide groove 14, positioning in the connector width direction can be performed.

  Furthermore, by disposing the female guided body 10 at the center of the female guiding portion 9, the expanding portion 15 is provided at the mating opening edge of the male guide groove 14, and the mating side of the female guided body 28. A space for forming the reduced width portion 29 at the end portion can be secured, and even if the connector is downsized, it is possible to cope with a positional shift in the connector width direction.

  In the above-described embodiment, the structure of the plug 4 and the socket 7 is not limited to the above-described embodiment. For example, the plug portion 3 may have only one structure, and there may be a plurality of plug portions 3 or more. It may be.

  Further, in the above-described embodiment, an example in which the male guided bodies 10 and 10 are provided in the plug 4 and the female guide portions 9 and 9 are provided in the socket 7 has been described. The guide portions 9 and 9 may be provided, and the male guided bodies 10 and 10 may be provided in the socket 7.

DESCRIPTION OF SYMBOLS 1 Board connection connector 2 Plug side signal terminal 3 Plug part 4 Plug 5 Plug insertion groove 6 Socket side signal terminal 7 Socket 8 Female side guide groove 9 Female side guide part 10 Male side guided body 11 Plug main body 12 Base 13 Guide convex Part 14 Male guide groove 15 Widened part 20 Socket body 21 Fitting part 22 Bottom plate part 23 Side wall part 24 Central convex part 25 Peripheral wall part 26 End wall part 27 Guide inclined surface part 28 Female side guided body 29 Reduced width part 30 Avoidance Notch for

Claims (2)

A plug having a ridge-shaped plug portion in which a plurality of plug-side signal terminals are arranged on the outer side surface portion, and a plurality of socket-side signal terminals on the inner side surface portions of the plug insertion groove into which the plug portions are inserted. With a disposed socket,
One of the plug and the socket is provided with a female side guide portion having a female side guide groove facing in the connecting direction, and the other side is provided with a male side guided body inserted into the female side guide groove, and the plug and socket When the male side guided body is guided to the inner side surface portion of the female side guide groove, the plug portions are fitted at predetermined positions of the plug insertion grooves. In the connection connector,
The female-side guide portion has a concave avoidance notch portion formed in a peripheral wall portion facing in the connector width direction across the female-side guide groove, and the female-side guide portion is arranged in parallel with the peripheral wall portion between the both side wall portions. A side guided body is provided,
The male guided body includes a male guide groove in a fitting direction in which the female guided body is inserted,
A board connecting connector characterized in that both side surfaces of the female side guided body in the connector width direction are guided to the inner side surface of the male side guide groove.   An expanding portion that expands in the connector width direction as it advances toward the mating side formed at the mating opening edge of the male guide groove, and / or the mating end at the mating end of the female guided body The board connecting connector according to claim 1, further comprising a reduced width portion that decreases in width in the connector width direction as it goes to step 1.

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