TW201543766A - Connector for connection between substrates - Google Patents

Abstract

The present invention relates to a connector for substrate connection. The subject thereof is to provide a connector for substrate connection capable of preventing breaks of a female-side guiding part and a male-side guided body and being positioned appropriately. The connector (1) for substrate connection is provided with a female-side guiding part (8, 8) having guiding holes (22) at the two ends of a socket (7), and a male-side guided body (9, 9) engaged with the guiding holes (22) at the two ends of a plug (4). The plug (4) is provided with a metal male-side reinforcement component (13) comprehensively having a guided sheet (12) covering at least the longitudinal side face of the male-side guided body (9). The socket (7) is provided with a female-side reinforcement component (31), which comprehensively has a guiding sheet (30) disposed at the inside peripheral face of the longitudinal direction of the guiding holes (22). At the opposite side edge parts of the guided sheet (12) and the guiding sheet (30), there are leading parts (14, 32) formed as a whole. By enabling the leading parts (14, 32) to contact and slide with each other, the male-side guided body (9) is guided to the inside of the guiding sheet (30).

Description

Substrate-to-substrate connector

The present invention relates to a substrate-to-substrate connector for connecting a substrate and a substrate.

Conventionally, in order to connect a substrate and a substrate, a connector for substrate connection is used, and the connector for substrate connection includes a plug having a ridge-like plug portion in which a plurality of plug-side signal terminals are disposed on a side surface portion, and a plug portion at each plug portion A socket of a plurality of socket side signal terminals is disposed on the inner side surface of the inserted plug insertion slot facing each other.

In the board connecting connector, a female side guide portion having a concave hole-shaped guide hole is provided at each end portion of the socket, and a male side fitted to the guide hole at both end portions of the plug is guided. The body is fitted to the guide hole while being guided, and the plug portions are fitted at desired positions of the plug insertion grooves, and the two signal terminals are in contact with each other (for example, see Patent Document 1).

In such a board connection connector, in order to smoothly insert the male side guide body into the female side guide portion, the fitting tolerance of the guide hole and the male side guide body is set to a constant margin, and The upper opening edge portion of the female side guide portion is formed into a tapered guide portion, and a tapered guide portion is formed on the lower peripheral edge portion of the male side guide body. When the socket and the plug are connected, the two guide portions are in contact with each other. By sliding from this state, the guided body is guided to the female side guide portion, and the positional deviation in the longitudinal direction and the short direction of the socket and the plug can be absorbed.

On the other hand, in such a board connecting connector, it is known that a metal reinforcing member is embedded in the peripheral wall portion of the female side guide portion to strengthen the strength of the female side guide portion.

[Patent Literature]

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

However, in the above-described conventional technique, when the male-side guided body is guided to the female-side guide portion, both the guide portion of the female-side guide portion and the guide portion of the male-side guide member are formed of the insulating resin. When the two guiding portions are in contact with each other, there is a fear that the guiding portion is pressed due to insufficient rigidity. Deformation, or friction between the resins produces chips.

Then, the present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a connector for board connection that prevents damage to the mother side guide portion and the male side guide member and can be appropriately positioned.

In order to achieve the above-mentioned object, the connector for board connection according to the first aspect of the present invention includes: a plug having a rib shape in which a plurality of plug-side signal terminals of a conductive metal property are disposed on a side surface portion a plug portion; and a socket, wherein a plurality of socket-side signal terminals of conductive metal are disposed on the inner side faces of the plug insertion slots into which the plug portions are inserted; and the both ends of the socket are provided with guide holes The female-side guide portion is provided with a male-side guided body that is fitted to the guide hole at both end portions of the plug, and the male-side guided body is guided to the guide hole when the plug and the socket are connected. Each of the plug portions is fitted at a desired position of each of the plug insertion grooves, and the connector for board connection is characterized in that the plug is provided integrally with at least a long end surface of the male side guide body. a male side reinforcing member made of a metal to be guided; wherein the socket is provided with a metal integrally having a guide piece disposed at least in an inner circumferential surface of the guide hole The mother side reinforcing member is formed, and each of the guided pieces and the respective guide pieces is integrally provided with a guide portion at each of the other end side edge portions, and the guide portions are brought into contact with each other and slid so that the male side The guided body is guided to the inside of the above-mentioned guide piece.

According to a second aspect of the invention, in the first aspect, the male side reinforcing member is integrally provided with a guide piece covering the both end faces of the male side guide body in the short direction, on the female side The reinforcing member is provided with an inner peripheral surface portion of the guide hole disposed opposite to each other in the short direction, and a pair of holding pieces projecting toward the guide hole, and the male side reinforcing member and the female side reinforcing member are provided and mounted on the substrate The connected substrate is connected to the terminal piece.

According to a third aspect of the invention, in the second aspect, the female reinforcing member is provided with a reinforcing piece portion that is embedded in each of the short circumferential walls of the female side guiding portion. The holding piece is formed in a spring shape, and includes a supporting spring piece whose base end is integrally supported by the reinforcing piece, a folded portion that is folded back from the upper end of the supporting spring piece, and a protruding portion that protrudes from the front end of the folded portion An elastic contact portion into the above-mentioned guide hole.

The invention according to any one of the first to third aspect, wherein the mother-side reinforcing member is provided with a reinforcing piece portion embedded in a peripheral wall of the longitudinal end portion of the female-side guide portion, the guide The sheet is supported by the folded portion at the upper edge of the reinforcing sheet portion, and the folded portion forms the guiding portion.

The invention according to any one of the first to fourth aspect, wherein the male side reinforcing member is provided with a support plate portion covering a lower surface of the male side guide member, and each of the guide pieces The folded portion supports the periphery of the support plate portion, and the folded portion forms the guide portion.

Next, an effect of the present invention will be described in which a plug has a rib-shaped plug portion in which a plurality of plug-side signal terminals of a conductive metal property are disposed on a side surface portion, and a socket in which the plug insertion grooves inserted into the plug portions are opposed to each other a plurality of socket-side signal terminals of conductive metal are disposed on the inner side surface; and a female-side guide portion having a guide hole is provided at both end portions of the socket, and the guide holes are embedded at both end portions of the plug When the male side guide body is connected to the plug and the socket, the male side guide body is guided to the guide hole, and the plug portions are fitted at desired positions of the plug insertion slots; The connector for connection is characterized in that: the plug is provided with a metal male side reinforcing member integrally including a guide piece that covers at least a long end surface of the male side guide body; and the socket is integrally provided a metal mother-side reinforcing member having a guide piece disposed at least in an inner circumferential surface portion of the guide hole in the longitudinal direction; and each of the guided piece and each of the guide pieces The other side end edge portion, the guide portion is integrally provided, by the guide portion such that the contact touch each other, the slide, so that the male-side guide member is guided to the inside of the guide piece.

Since the guide portions that are in contact with each other and slide are formed of a metal material, respectively, it is possible to prevent Insufficient rigidity causes deformation due to collapse or the like, and it is possible to prevent the occurrence of wear debris in the resin portion generated during sliding.

Further, in the present invention, the male-side reinforcing member is integrally provided with a guide piece covering both end faces of the male-side guide body in the short-side direction, and the female-side reinforcing member is disposed in the short-side direction. a pair of holding pieces protruding toward the inner peripheral surface of the guide hole and protruding into the guide hole, and the base-side reinforcing member and the female-side reinforcing member are provided with a substrate connection terminal piece connected to the mounting substrate, even if guided In the fitting tolerance range of the hole and the male side guide body, the male side guide body is fitted to the guide hole in the short direction, and the one of the holding pieces can always contact at a desired contact pressure or more. It ensures high contact stability. Further, since the male-side guide body is held by the spring-like two holding pieces disposed on the inner circumferential surface portion of the guide hole, even if vibration or impact occurs, the plug can be held in the socket with a high holding force.

Further, in the present invention, the female reinforcing member is provided with a reinforcing piece portion embedded in each of the short circumferential walls of the female side guide portion, and the holding piece is formed in a spring shape, and the base end is integrally supported at the base end. The support spring piece of the reinforcing piece portion, the folded portion that is folded back from the upper end of the support spring piece, and the elastic contact portion that extends from the front end of the folded portion and protrudes into the guide hole can improve the mother side guide portion The strength and the holding piece can be easily fitted into the inner peripheral surface of the guide hole.

Further, in the present invention, the mother side reinforcing member is provided with a reinforcing piece portion embedded in a peripheral wall of the longitudinal end portion of the female side guide portion, and the guide piece is supported by the folded portion at the upper edge of the reinforcing piece portion. The folded portion forms the guide portion, and the strength of the female guide portion can be increased, and the holding piece can be easily fitted into the inner peripheral surface portion of the guide hole.

Further, in the present invention, the male side reinforcing member is provided with a support plate portion that covers the lower surface of the male side guided body, and each of the guided pieces is supported by the folded portion at a periphery of the support plate portion. The guide portion is formed in the portion, and the guided piece can be easily loaded into the male-side guided body.

1‧‧‧Connector for base connection

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

9‧‧‧Male side guide

10‧‧‧ plug body

11‧‧‧ base

12‧‧‧guided piece

13‧‧‧Male side reinforcement parts

14‧‧‧ Plug side guide

15‧‧‧guided piece

16‧‧‧Support Board

17‧‧‧Substrate connection terminal piece

18‧‧‧Clamping recess

20‧‧‧ socket body

21‧‧‧Mate

22‧‧‧ Guide hole

23‧‧‧Bottom plate

24‧‧‧ Sidewall

25‧‧‧Central convex

26, 27‧‧‧ Week Wall

30‧‧‧Leading piece

31‧‧‧Female side reinforcement parts

32‧‧‧Socket side guide

33‧‧‧Clamping piece

34‧‧‧ Strengthening Department

35, 36‧‧‧ Strengthening the film

37‧‧‧buried trough

38‧‧‧Substrate connection terminal piece

39‧‧‧Clamping convex

40‧‧‧Support spring piece

41‧‧‧Departure

42‧‧‧Flexible contact

43‧‧‧Contacts

Fig. 1 is a perspective view showing an example of a connector for board connection according to the present invention.

Fig. 2 (a) is a longitudinal sectional view of the board connecting connector of Fig. 1, and Fig. 2 (b) is a cross-sectional view taken along line A-A of Fig. 2 (a).

Fig. 3 is an exploded perspective view of the board connecting connector of Fig. 1;

Fig. 4 (a) is a front view showing the plug of Fig. 1, (b) is a bottom view thereof, (c) is a cross-sectional view taken along line B-B, and (d) is a cross-sectional view taken along line C-C.

5(a) and 5(b) are perspective views showing the male side reinforcing member of Fig. 5.

Fig. 6 (a) is a front view showing the socket of Fig. 1, (b) is a plan view thereof, (c) is a longitudinal sectional view taken along line D-D, and (d) is a cross-sectional view taken along line E-E thereof.

7(a) and 7(b) are perspective views showing the female reinforcing member of Fig. 5.

Fig. 8 is a partially enlarged cross-sectional view showing a state of a mother-side guide portion at the time of connection.

Next, an embodiment of the board connecting connector according to the present invention will be described with reference to the embodiments shown in Figs. 1 to 8 . Reference numeral 1 is a connector for board connection used for connection of a substrate to a substrate.

Further, in the present embodiment, the long direction means the long direction of the connector (the horizontal direction in Fig. 2(a)), and the short direction means the short direction of the connector (the horizontal direction in Fig. 2(b)) The so-called up and down direction refers to the thickness direction of the connector (up and down direction in Fig. 2).

The board connector 1 includes a plug 4 and a socket 7, and the plug 4 has a plurality of plug-like plug portions 3 and 3 that are provided with a plurality of plug-side signal terminals 2, 2, . . . A plurality of socket-side signal terminals 6, 6, ... are disposed on the inner side faces of the plug insertion grooves 5, 5 in which the plug portions 3, 3 are inserted, and the plugs 4 and the sockets 7 mounted on the substrate are connected to each other. The two mounting substrates respectively mounting the plug 4 and the socket 7 are electrically connected.

In the board connecting connector 1, the female side guide portions 8, 8 having the recessed hole-shaped guide holes 22 are provided at both end portions of the socket 7, and at the same time, the female side guides are provided at both end portions of the plug 4. The male side guided bodies 9, 9 fitted in the portions 8, 8 are fitted into the female side guide portion 8 by the side of the guide side hole 22 while the male side guided body 9 is guided, and the plug portions 3, 3 are plugged in the respective plugs The desired positions of the insertion slots 5, 5 are fitted such that the corresponding two signal terminals 2, 6 are in contact with each other.

In order to smoothly fit the male-side guided bodies 9 and 9 to the female-side guide portions 8 and 8, the fitting tolerances of the guide hole 22 and the male-side guided bodies 9 and 9 are set to a constant margin.

As shown in FIG. 4, the plug 4 includes an insulating resin plug body 10 having ridge-like plug portions 3 and 3, and a plurality of plug-side signal terminals 2, 2, ... are integrally mounted by insert molding. Body 10.

The plug body 10 is integrally formed of an insulating synthetic resin, and includes a flat base portion 11, a ridge-like plug portion 3, 3 protruding from the surface of the base portion 11 and extending in the longitudinal direction, and a male portion disposed at both ends in the longitudinal direction. The side guided bodies 9, 9 are constituted by the base 11 and the two plug portions 3, 3" The shape-shaped cross section is continuous in the longitudinal direction of the connector, and the two plug portions 3 and 3 and the male-side guided bodies 9 and 9 disposed at both ends thereof are formed in a rectangular frame shape.

Moreover, the male side reinforcing member 13 is provided in the plug 4, and the male side reinforcing member 13 has a metal guided piece 12 covering at least the distal end side surface portion of the male side guided body 9 formed in a rectangular parallelepiped shape. The guide piece 12 is integrally provided with a guide portion (hereinafter referred to as a plug-side guide portion 14) at the joint side edge portion (lower peripheral edge portion), and the plug-side guide portion 14 and the socket-side guide portion are caused to collide each other. Sliding so that the male side guided body 9 is guided into the guiding hole 22

Further, the male side reinforcing member 13 is provided with one of the pair of guided end pieces 15 and 15 covering the short side end faces of the male side guided body 9, and the male side reinforcing member 13 is assembled to the male side by integral molding. The outer sides of the bodies 9, 9 are such that the three side end faces of the male side guided bodies 9, 9 are covered by the guided sheets 12, 15.

As shown in FIG. 5, the male-side reinforcing member 13 includes a support plate portion 16 which is integrally formed by punching/bending a conductive metal plate, and has a rectangular flat shape, and a vertical direction from the three sides of the support plate portion 16. Each of the curved guide pieces 12, 15 is bent.

Each of the guided sheets 12 and 15 is formed in a rectangular shape extending perpendicularly upward from each side of the support plate portion 16 by an arc-shaped folded portion, and is assembled to the plug body 10 by the male reinforcing member 13, and is made of metal. The folded portion covers a corner portion made of an insulating resin to form a plug-side guide portion 14.

A substrate connection terminal piece 17 having a pattern fixed to the mounting substrate by solder or the like is integrally provided at an end edge of the two guided sheets 15 and 15 opposite to the plug-side guiding portion 14. Further, in the center of the guided piece 12, an engagement recess 18 having a rectangular hole shape is formed.

As shown in FIG. 6, the socket 7 includes a socket body 20 made of an insulating resin, and a plurality of socket-side signal terminals 6, 6, ... made of a conductive metal material, by the socket-side signal terminals 6, 6, ... is inserted into the socket body 20 to be formed.

The socket main body 20 is integrally formed of an insulating synthetic resin, and includes a flat fitting portion 21 and mother side guide portions 8 and 8 having guide holes 22 disposed on both longitudinal end sides of the fitting portion 21.

The fitting portion 21 includes side wall portions 24 and 24 that are formed in a shape rising from both side edges in the connector width direction of the flat bottom plate portion 23, and a central convex portion 25 that is disposed at a central portion of the bottom plate portion 23, and in each side wall portion 24, Between the 24 and the central convex portion 25, the groove-like plug insertion grooves 5, 5 into which the plug portions 3, 3 are inserted are formed in parallel arrangement at intervals in the connector width direction.

The female side guide portions 8 and 8 include a peripheral wall portion 26 that is disposed on the longitudinal side of both end portions in the longitudinal direction, and a peripheral wall that is continuous with the side wall portions 24 and 24 of the fitting portion 21 in the short direction side opposite to each other in the short direction. The portions 27 and 27 are surrounded by the peripheral wall portion 26, the peripheral wall portions 27 and 27, and the end surface of the fitting portion 21, and define a rectangular hole-shaped guide hole 22 in the vertical direction (connection direction).

A female side reinforcing member 31 having a metal guide piece 30 disposed on the inner peripheral surface of the guide hole 22 in the longitudinal direction is assembled to the female side guide portions 8, 8 at which the end portion of the joint side is integrated A guide portion (hereinafter referred to as a socket side guide portion 32) is provided, and the socket-side guide portion 32 and the plug-side guide portion 14 are brought into contact with each other so that the male-side guided body 9 is guided into the guide hole 22 .

Further, the female side reinforcing member 31 is provided with a pair of holding pieces 33 and 33 which are disposed on the inner circumferential surface portion of the guide hole 22 which faces each other in the short direction and protrudes into the guide hole 22 so that the two holding pieces are used The sheets 33, 33 sandwich the male side guided body 9 in the short direction.

As shown in FIG. 7, the female-side reinforcing member 31 is integrally formed by punching/bending a flexible conductive metal plate and embedded in the peripheral wall of the mother-side guide portion. The "shaped reinforcing portion 34", the guide piece 30 and the holding pieces 33, 33 are each supported by the reinforcing portion 34.

The reinforcing portion 34 has a strip-shaped long-direction side reinforcing piece portion 35 and a pair of short-direction side reinforcing piece portions 36 and 36 which are formed in a vertically curved shape from both side edges of the long-direction side reinforcing piece portion, and constitute a plan view. "The shape is such that the reinforcing portion 34 is embedded in the formation of the peripheral wall portions 26, 27" The word-shaped buried groove 37.

Further, a substrate connection terminal piece 38 connected to the connection pattern of the mounting substrate is provided on the lower edge of the two reinforcing piece portions 36, 36, and the male side reinforcing member 16 and the female side reinforcing member 31 are mainly used for power supply between the substrates. Used for connection.

The guide piece 30 is formed in a flat shape extending downward from the upper end edge of the longitudinal direction reinforcing piece portion 35 in an arc shape, and is folded downward, and the upper edge of the peripheral wall portion 26 is covered by the folded portion. The socket side guide portion 32 is formed.

In the lower central portion of the guide piece 30, the engaging convex portion 39 protrudes from the surface by the The engaging convex portion 39 is engaged with the engaging concave portion 18 formed in the guided piece 12 of the male-side reinforcing member 13, and the plug 4 and the socket 7 are locked.

The holding pieces 33, 33 include a supporting spring piece 40 whose base end is integrally supported by the reinforcing piece portion 36, a folded portion 41 which is arcuately folded back from the upper end of the supporting spring piece 40 toward the inner side, and a front end portion from the folded portion 41 The elastic contact portion 42 that extends obliquely downward and protrudes into the guide hole 22, the support spring piece 40, the folded portion 41, and the elastic contact portion 42 constitute a U-shaped spring shape that supports the reinforcing piece portion 36.

The holding pieces 33, 33 guide the male side guided bodies 9, 9 into the guide holes 22, and at the same time, after the fitting, the contacts 43 formed at the front ends of the elastic contact portions 42 are at a desired contact pressure with the plug 4 It is in contact with the surface of the guide sheets 12, 12.

In the board connecting connector 1 configured as described above, the guide portions 14 and 32 are integrally provided at the respective joint side edge portions of the metal guided sheet 12 and the guide sheet 30, as shown in Fig. 2(a) and Fig. 2; As shown in FIG. 8, when the male-side guided body 9 is guided into the guide hole 22, the guide portions 14 and 32 are brought into contact with each other, and since the guide portions 14 and 32 are made of metal, respectively, the contact can be prevented. When the rigidity is insufficient, deformation such as collapse is caused, and resin grinding during sliding can be prevented.

Further, in the board connecting connector 1, as shown in FIG. 2(b), the two holding pieces 33, 33 which face each other in the short direction are formed such that the elastic contact portions protrude into the guide holes 22. In the spring-like manner, in the fitting tolerance range of the guide hole 22 and the male-side guided bodies 9, 9, even if the male-side guided bodies 9, 9 are fitted with respect to the guide holes 22 in the short direction, one of the holding pieces 33, 33 can always be contacted at a desired contact pressure, and therefore, high contact stability can be ensured.

Further, in the board connecting connector 1, the male-side guided body 9 is sandwiched by the spring-like two holding pieces 33 and 33 disposed on the inner peripheral surface of the guide hole 22, and therefore vibration is generated. Or the impact, the plug 4 can also be held at the socket 7 with a high holding force.

The shape of the holding piece is not limited to the above-described embodiment. For example, the folded portion and the elastic contact portion of the holding piece may be used as a guide portion that abuts against the plug-side guiding portion 14 and slides.

Further, an example in which two spring-shaped holding pieces are provided on the inner circumferential surface of the guide hole 22 is described. However, a guide portion may be integrally provided, and a metal covering the inner circumferential surface of the guide hole 22 may be disposed. Instead of the holding piece, the guide piece is guided by the upper side edge portion of the guide piece and the plug-side guide portion 14 to be in contact with each other, and the male-side guide body 9 is guided into the guide hole 22.

4‧‧‧ plug

7‧‧‧ socket

8‧‧‧Female side guide

9‧‧‧Male side guide

10‧‧‧ plug body

12‧‧‧guided piece

14‧‧‧ Plug side guide

15‧‧‧guided piece

20‧‧‧ socket body

22‧‧‧ Guide hole

30‧‧‧Leading piece

31‧‧‧Female side reinforcement parts

32‧‧‧Socket side guide

33‧‧‧Clamping piece

35‧‧‧ Strengthening the film

Claims (5)

A connector for connecting a substrate, comprising: a plug having a ridge-like plug portion in which a plurality of plug-side signal terminals of a conductive metal are disposed on a side surface portion; and a socket in which the plugs inserted into the plug portions are inserted into each other a plurality of conductive-side metal-side signal terminals are disposed on the opposite inner side surface; and a female-side guide portion having a guide hole is provided at both end portions of the socket, and the guide is provided at both ends of the plug a male-side guided body that is fitted into the hole, and when the plug and the socket are connected, the male-side guided body is guided to the guide hole, and the plug portions are fitted at a desired position of each of the plug insertion grooves; The plug includes a metal male side reinforcing member integrally including a guide piece covering at least a long end surface of the male side guide body, and the socket is integrally provided at least in the socket a metal mother-side reinforcing member of the guide piece of the inner peripheral surface portion in the longitudinal direction of the guide hole; and each of the guided piece and the guide piece at each of the opposite side edges Integrally provided with the guide portion, the guide portion to each other so that by abutting against the slide, so that the male-side guide member is guided to the inside of the guide piece. The connector for substrate connection according to the first aspect of the invention, wherein the male-side reinforcing member is integrally provided with a guide piece covering both end faces of the male-side guided body in the short-side direction, and the female-side reinforcing member is , having an inner circumferential surface of the above-mentioned guide hole disposed opposite to each other in the short direction And a pair of holding pieces protruding in the guide hole, and the base side reinforcing member and the female side reinforcing member are provided with a substrate connection terminal piece connected to the mounting substrate. The connector for board connection according to claim 2, wherein the female-side reinforcing member is provided with a reinforcing piece portion embedded in each of the short-side peripheral walls of the female-side guide portion, and the holding piece is formed in a spring shape. The utility model comprises a supporting spring piece integrally supporting the reinforcing piece at the base end, a folded portion folded back from the upper end of the supporting spring piece, and an elastic contact portion extending from the front end of the folded portion and protruding into the guiding hole . The connector for board connection according to any one of claims 1 to 3, wherein the mother-side reinforcing member is provided with a reinforcing piece portion embedded in a peripheral wall of a longitudinal end portion of the female-side guide portion, the guide piece The upper edge of the reinforcing piece portion is supported by the folded portion, and the folded portion forms the guiding portion. The connector for board connection according to any one of claims 1 to 4, wherein the male-side reinforcing member is provided with a support plate portion that covers a lower surface of the male-side guided body, and each of the guided pieces passes through The folded portion is supported on a periphery of the support plate portion, and the folded portion forms the guide portion.