TW201440324A - Connector for connecting substrate - Google Patents

Abstract

The invention provides a substrate connector that can be reduced in size, and can prevent damage to the positioning members during the connection operation. The invention provides a substrate connector in which a socket 7 comprises female guiding sections 9, 9 having female guide channels 8 along the connection direction, a plug 4 comprises male guided bodies 10 which are inserted into the female guide channels 8, the female guiding sections 9 have concave skirting notches 30 formed in peripheral wall sections 25, 25 facing each other across the female guide channel 8 in the width direction of the connector, and comprise female guided bodies 28 between the peripheral wall sections 25, 25, and the male guided bodies 10 comprise male guide channels 14 oriented along the engagement direction into which female guided bodies 28 are inserted, wherein both side surfaces of the female guided bodies 28 in the width direction of the connector are guided by the inside surfaces of the male guide channels 14.

Description

Substrate connection connector

The present invention is primarily directed to a substrate connector for use in connection between a substrate and a substrate.

Conventionally, a substrate connector is used for electrical connection between a substrate and a substrate, and the connector includes a plug having a protruding plug portion in which a plurality of plug-side signal terminals are arranged side by side on the outer surface portion, and a socket having a plug for inserting the plug portion The slot is inserted into the slot and a plurality of socket side signal terminals are disposed on the inner side surface of the plug insertion slot. The two kinds of signal terminals are elastically contacted with each other by connecting the socket and the plug and embedding the plug portion into the plug insertion groove, thereby achieving electrical connection.

The substrate connector includes a female-side guide portion including a rectangular guide groove facing the connection direction at both end portions in the longitudinal direction of the socket, and has a shape in which both end portions of the plug in the longitudinal direction of the plug are swollen from the plug end toward the socket side. The guided body is guided to the inner side surface of the guide groove by the side surface in the connector width direction and the end surface in the longitudinal direction of the connector, and the plug portion is fitted to a predetermined position in the plug insertion groove (for example, refer to the patent document) 1).

Further, such a substrate connector is formed with an inclined surface on the opposite side edge portion of the guide groove formed at the peripheral edge portion of the socket, the inclined surface being inclined so that the opposing surface distance becomes narrower toward the substrate side, when the connecting operation When the middle socket and the plug are displaced in the horizontal direction, the side edge of the guided body is slid on the inclined surface to guide the guided body into the guide groove, thereby eliminating the deviation.

[Previous Technical Literature]

[Patent Literature]

Patent Document 1: Japanese Laid-Open Patent Publication No. 2010-97724

However, in the conventional technique as described above, when the thickness of the peripheral wall of the female-side guide portion around the guide groove is made thin in order to reduce the size of the entire connector, it is possible that the guided body collides with the peripheral wall due to insufficient strength of the peripheral wall. Causes damage to the perimeter wall.

On the other hand, in order to secure the strength of the peripheral wall, it is conceivable to use a metal plate to strengthen the peripheral wall. However, it is unavoidable that the thickness of the peripheral wall is increased to increase the thickness of the metal plate, which may cause the connector to be miniaturized.

Further, if the wall thickness of the peripheral wall is reduced, the horizontal distance of the inclined surface for guiding cannot be sufficiently ensured, and the positional deviation adjustable distance is also shortened.

Therefore, in view of the above-described conventional problems, an object of the present invention is to provide a substrate connector which can be downsized and which can prevent breakage of a positioning portion during a connection work.

In order to solve the above-described conventional problems and achieve the desired object, the invention according to a first aspect of the present invention is characterized by comprising: a plug having a protruding strip shape in which a plurality of plug-side signal terminals are disposed on an outer side surface a plug portion; and a socket having a plurality of socket-side signal terminals disposed on mutually facing inner side faces of the plug insertion slots into which the plug portions are inserted; and one of the plug and the socket has a female-side guide portion, The female side guiding portion has a female side guiding groove facing the connecting direction, and the other side has a male side guided body inserted through the female side guiding groove, and when the plug and the socket are connected, the male side guided body is guided To the inner side of the female side guide groove, thereby The plug portion is fitted to a predetermined position of each of the plug insertion grooves, and the female-side guide portion is formed in a concave shape for the peripheral wall portion facing each other in the connector width direction via the female-side guide groove. In the notch portion, a female-side guided body disposed in parallel with the peripheral wall portion is provided between the two peripheral wall portions, and the male-side guided body includes a male side in a fitting direction in which the female-side guided body is inserted The guide groove guides both side surfaces of the female-side guided body in the connector width direction to the inner side surface of the male-side guide groove.

A second aspect of the present invention is characterized in that, in addition to the first aspect, the structure further includes: an extension portion formed at an edge portion of the opposite side opening of the male side guide groove, the extension portion being oriented toward the other side The connector is extended in the width direction, and/or the other end portion of the female-side guided body is provided with a narrowed portion in which the width in the connector width direction is narrowed toward the other side.

As described above, the substrate connector of the present invention includes: a plug having a protruding plug portion in which a plurality of plug-side signal terminals are disposed on an outer side surface; and a socket inserted in a plug into which the respective plug portions are inserted A plurality of socket-side signal terminals are disposed on the inner side surface of the groove facing each other, and one of the plug and the socket includes a female-side guide portion including a female-side guide groove toward the connection direction, and the other side has a female-side guide groove inserted through the female-side guide groove. When the male-side guided body is connected to the plug and the socket, the male-side guided body is guided to the inner side surface of the female-side guide groove, thereby fitting the respective plug portions to the respective plug insertion grooves. In the position, the female-side guide portion has a concave avoidance notch portion formed in a peripheral wall portion facing each other in the connector width direction via the female-side guide groove, and has between the two peripheral wall portions a female-side guided body that is disposed in parallel with the peripheral wall portion, and the male-side guided body includes a male-side guide groove in a fitting direction in which the female-side guided body is inserted, thereby connecting the female-side guided body The both side faces in the width direction of the device are guided to the inner side surface of the male side guide groove, whereby when the plug and the socket are connected, the guided body can be prevented from contacting the peripheral wall portion of the female side guide groove which is easily broken, so that the peripheral wall can be realized The thinning of the part makes the overall size of the connector small.

Further, in the present invention, the expansion portion is formed on the opposite side edge portion of the male side guide groove, and the expansion portion expands in the connector width direction as it goes toward the other side, and/or The other end side end portion of the female-side guided body is provided with a narrowed portion in which the width in the connector width direction is narrowed toward the other side. Thereby, even if the entire connector is miniaturized, a sufficient positional deviation adjustable distance can be ensured.

1‧‧‧Substrate connector

2‧‧‧ Plug side signal terminal

3‧‧‧ plug part

4‧‧‧ plug

5‧‧‧plug insertion slot

6‧‧‧Socket side signal terminal

7‧‧‧ socket

8‧‧‧Female side guide slot

9‧‧‧ Female side guide

10‧‧‧ Male side guide

10a‧‧‧ Length direction end face

11‧‧‧ plug body

12‧‧‧ base

13‧‧‧Guiding convex

13a‧‧‧Sloping face

13b‧‧‧Side side inclined face

14‧‧‧ male side guide groove

14a‧‧‧ inside face

15‧‧‧Extension

20‧‧‧ socket body

21‧‧‧Mate

22‧‧‧Bottom plate

23‧‧‧ Side wall

24‧‧‧Central convex

25‧‧‧Walls

26‧‧‧End wall

26a‧‧‧ inside face

27‧‧‧Guided inclined face

28‧‧‧ Female side guided body

28a‧‧‧width side

29‧‧‧Square

29a‧‧‧Sloping face

30‧‧‧ Avoiding the gap

Fig. 1 is an exploded perspective view showing an embodiment of a substrate connector of the present invention.

Fig. 2 is a view showing the plug of Fig. 1, wherein (a) is a plan view, (b) is a front view, (c) is a bottom view, and (d) is a side view.

Fig. 3 is a view showing the socket of Fig. 1, in which (a) is a plan view, (b) is a front view, and (c) is a cross-sectional view taken along line A-A.

4(a) to 4(c) are partially enlarged front views for explaining a position adjustment operation in the longitudinal direction of the connector.

5(a) to 5(b) are partially enlarged cross-sectional views for explaining the position adjustment work in the connector width direction as described above.

[Preferred form of implementing the invention]

Embodiments of the substrate connector of the present invention will be described below based on FIGS. 1 to 5. In the figure, the reference numeral 1 is a substrate connector for connecting a substrate to a substrate.

As shown in Fig. 1, the board connector 1 includes a plug 4 having projecting plug portions 3 and 3 in which a plurality of plug-side signal terminals 2, 2, ... are disposed on the outer side, and a socket 7 in which A plurality of socket-side signal terminals 6, 6 are disposed on the inner surface of the plug insertion groove 5 into which the plug portions 3 and 3 are inserted, and the plug portions 3 and 3 are fitted into the plug insertion grooves 5 and 5 so that the plug side is provided. The signal terminals 2, 2, . . . are connected to the socket-side signal terminals 6, 6, ..., and electrical connection is made between the substrates on which the plug 4 and the socket 7 are respectively mounted via these terminals 2, 6.

Further, in the present embodiment, the length direction of the plug portion 3 is taken as the connector length direction, The direction perpendicular to the longitudinal direction of the connector in the horizontal direction serves as the connector width direction, and the direction in which the plug 4 and the socket 7 face each other will be described as the connection direction.

In the substrate connector 1, the female side guide portions 9, 9 having the female side guide grooves 8 toward the connection direction are provided on the socket 7, and the male side guide body fitted to the female side guide groove 8 is provided on the plug 4 10, 10, when the plug 4 and the socket 7 are connected, the male side guided body 10 is guided to the inner side surface of the female side guide groove 8, so that the respective plug portions 3, 3 are fitted into the respective plug insertion grooves 5, 5 The specified location.

As shown in Fig. 2, the plug 4 includes an insulating resin plug body 11 having projecting plug portions 3, 3, and a plurality of plug-side signal terminals 2, 2, ... are integrally assembled to the plug by insert molding. On the body 11.

The plug body 11 is integrally formed of an insulating synthetic resin, and includes a flat base portion 12, projecting plug portions 3, 3 protruding from the surface of the base portion 12 and extending in the longitudinal direction of the connector, and disposed in the longitudinal direction of the connector. The male side guided bodies 10 and 10 at both end portions, and the base portion 12 and the two plug portions 3 and 3 are formed in a shape in which the U-shaped cross section is continuous in the longitudinal direction of the connector, and at the same time, the two plug portions 3, 3 and the male side guided bodies 10 and 10 disposed at both ends thereof have a rectangular frame shape in plan view.

The male-side guided body 10 is formed in a rectangular parallelepiped shape, and has a guiding convex portion 13 and 13 having a shape that bulges toward the socket 7 (the other side) side integrally with the socket-side end surface portion.

The guiding convex portions 13 and 13 are formed such that the height of the end surface of the socket side is higher than the height of the end surface of the socket side of the plug portions 3 and 3, and the quadrangular frustum shape for guiding the inclined surface portions 13a and 13b is formed at the peripheral edge portion thereof.

Further, the male side guided body 10 has a groove-shaped male side guide groove 14 facing the connecting direction at the end surface portion of the connector longitudinal direction.

The male side guide groove 14 is disposed between the two guiding convex portions 13, 13 and the inclined surface portions 13a, 13a facing each other in the connector width direction of the two guiding convex portions 13, 13 to match the male side guide groove 14 The connector width direction inner side surface 14a is continuous, and is disposed on the socket 7 side opening edge portion of the male side guide groove 14, and is formed at the opposite side edge portion of the male side guide groove 14 by the two inclined surface portions 13a, 13a. The expansion portion 15 expands in the connector width direction as it goes toward the other side.

As shown in FIG. 3, the socket 7 is provided with 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 are assembled on the socket body 20. The socket 7 is formed.

The socket body 20 is integrally formed of an insulating synthetic resin, and includes a flat fitting portion 21, and the female-side guiding portions 9 and 9 have female-side guide grooves 8 disposed at both end sides of the fitting portion 21.

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

The female side guides 9, 9 include peripheral wall portions 25, 25 which are continuous with the side wall portion 23 of the fitting portion 21 and which face each other in the connector width direction; the end wall portion 26 which is disposed in the connector length direction In the end portion, a female-side guide groove 8 surrounded by the two peripheral wall portions 25, 25, the end wall portion 26, and the fitting portion 21 is formed in the connecting direction.

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

Further, on the inner side edge of the upper end of the end wall portion 26, a guide inclined surface which is inclined toward the inner side is formed. As shown in FIGS. 4(a) to 4(c), when the positions of the socket 7 and the plug 4 are deviated in the longitudinal direction of the connector, the end side inclined surface portion 13b of the guiding convex portions 13, 13 and the guiding inclined surface portion are guided. The slides 27 are mutually slid so that the longitudinal end surface 10a of the male side guided body 10 is guided to the inner side of the end wall portion 26, that is, the inner side surface portion 26a of the female side guide groove 8.

The female-side guide portions 9 and 9 include a female-side guided body 28 that is disposed in parallel with the peripheral wall portions 25 and 25 between the two peripheral wall portions 25 and 25, and the female-side guided body 28 when the socket 7 and the plug 4 are connected Both side faces 28a, 28a in the width direction of the connector are guided to the mutually facing inner side faces 14a, 14a of the male side guide grooves 14.

The female-side guided body 28 is formed such that the end face height of the socket 7 is higher than the end face height of the fitting portion 21 on the socket 7 side, and protrudes from the central inner side surface of the end wall portion 26.

Further, the female-side guided body 28 is provided with the inclined surface portions 29a, 29a on both side surface portions in the connector width direction at the end portion of the plug 4 side, and has a width in the connector width direction at the end portion of the plug 4 as it goes toward the socket 7 ( The other side is a narrowed portion 29 that is narrowed to the side.

Therefore, as shown in FIG. 5(a), even if the positions of the socket 7 and the plug 4 are deviated in the connector width direction, the inclined surface portion 13a of the expanded portion 15 formed at the opening edge portion of the male side guide groove 14 is contracted. The inclined surface portions 29a of the wide portion 29 slide with each other, so that the connector width direction side faces 28a, 28a of the male side guided body 28 are guided to the inner side surface portion 14a of the male side guide groove 14, as shown in Fig. 5 (b), 14a.

Since the avoidance notch portion 30 having a shape that is recessed in the connecting direction is formed in the two circumferential wall portions 25 and 25, the male side guided body is displaced even if the position of the plug 4 and the socket 7 is deviated in the connector width direction. 10 and the peripheral wall portions 25, 25 also do not contact each other. Further, it is preferable that the connector longitudinal direction width of the cutout portion 30 is substantially the same or slightly larger than the connector longitudinal direction width of the male side guided body 10.

Further, due to the guiding inclined surface portion 27 of the end wall portion 26 and one side of the avoiding notch portion 30 Since the edge is continuously formed, even if the position of the socket 7 and the plug 4 in the longitudinal direction is deviated, the end side inclined surface portion 13b of the guiding convex portions 13, 13 and the guiding inclined surface portion 27 slide each other, so that the male side guided body 10 is The longitudinal end surface is guided to the inner side of the end wall portion 26, that is, the inner side surface portion 26a of the female side guide groove 8, so that the male side guided body 10 and the peripheral wall portions 25, 25 are not in contact with each other.

In the substrate connector 1 configured as described above, since the height of the socket-side end surface of the male-side guided body of the plug 4 is higher than the height of the socket-side end surface of the plug portion 3, and the opening end faces of the female-side guiding portions 9, 9 of the socket 7 are higher than The plug-side end face of the fitting portion 21 has a height, and therefore, when the socket 7 and the plug 4 are connected, the female-side guided body 28 and the end of the male-side guided body 10 and the opening edge of the female-side guide groove 8 and the male-side guide groove 14 are provided. The department first contacts and guides each other to a prescribed position.

At this time, since the avoiding notch portion 30 is provided in the thin peripheral wall portions 25 and 25, even if the position of the socket 7 and the plug 4 is deviated in the connector width direction, the male side guided body 10 is prevented from coming into contact with each other. The damaged peripheral wall portions 25 and 25 can prevent breakage.

On the other hand, the female-side guided body 9 is provided with the female-side guided body 28 disposed in parallel to the peripheral wall portions 25 and 25, and the male-side guided body 10 is provided with the male-side guide groove 14 and the female-side guided body is provided. The connector width direction side surface portions 28a, 28a of 28 are guided to the inner side surface portions 14a, 14a of the male side guide groove 14, so that the positioning in the connector width direction can be realized.

Further, by arranging the female-side guided body 28 at the center of the female-side guide portion 9, it is possible to secure the space required for forming the expanded portion 15 on the other-side opening edge portion of the male-side guide groove 14 and to be guided on the female side. A space required for the constricted portion 29 is formed in the opposite end portion of the body 28, whereby even if the connector is downsized, the deviation in the connector width direction can be appropriately determined.

Further, in the above embodiment, the configuration of the plug 4 and the socket 7 is not limited to the above embodiment, and for example, the plug portion 3 may be one or three or more.

Further, in the above-described embodiment, an example in which the male side guided bodies 10, 10 are provided on the plug 4 and the female side guiding portions 9, 9 are provided on the socket 7 has been described, but depending on the configuration, The female side guides 9, 9 are provided on the plug 4, and the male side guided bodies 10, 10 are provided on the socket 7.

1‧‧‧Substrate connector

2‧‧‧ Plug side signal terminal

4‧‧‧ plug

5‧‧‧plug insertion slot

6‧‧‧Socket side signal terminal

7‧‧‧ socket

8‧‧‧Female side guide slot

9‧‧‧ Female side guide

10‧‧‧ Male side guide

11‧‧‧ plug body

14‧‧‧ male side guide groove

20‧‧‧ socket body

28‧‧‧ Female side guided body

30‧‧‧ Avoiding the gap

Claims (2)

A substrate connector comprising: a plug having a protruding plug portion in which a plurality of plug side signal terminals are disposed on an outer side surface; and a socket on a mutually facing inner side of the plug insertion groove into which each of the plug portions is inserted a plurality of socket side signal terminals are disposed on the face; and one of the plug and the socket includes a female side guiding portion having a female side guiding groove facing the connecting direction, and the other side having a female side guiding groove inserted therein When the male side guided body is connected to the inner side surface of the female side guide groove, the male side guided body is fitted to each of the plug insertion grooves by the male side guided body In the predetermined position, the female connector is formed with a concave avoidance notch portion in the peripheral wall portion facing each other in the connector width direction via the female-side guide groove, and A female-side guided body disposed in parallel with the peripheral wall portion is provided between the peripheral wall portions, and the male-side guided body includes a male-side guide groove in a fitting direction in which the female-side guided body is inserted. Side connector width direction is guided body is guided to the inner face of both sides of the male-side surface of the guide groove. The substrate connector according to the first aspect of the invention, further comprising an expansion portion formed at an edge portion of the opposite side opening of the male side guide groove, the expansion portion expanding in a connector width direction as it goes toward the other side, and Or, the other end side end portion of the female-side guided body is provided with a narrowed portion in which the width in the connector width direction is narrowed toward the other side.