JP7243865B2 - Electrical connector set and circuit board on which the electrical connector set is mounted - Google Patents

Description

The present invention relates to an electrical connector set into which a first connector and a second connector are fitted, and a circuit board on which the electrical connector set is mounted.

For example, U.S. Pat. No. 6,200,000 discloses an electrical connector assembly consisting of a plug connector and a receptacle connector each having signal contacts and a housing. Each signal contact (hereinafter referred to as a connection terminal) extends in the insertion/extraction direction when the plug connector and the receptacle connector are mated, and the longitudinal direction of the connection terminal is along the insertion/extraction direction. The one connection terminal and the other connection terminal are electrically connected by bringing the contact portion of one connection terminal into contact with the vicinity of the protrusion of the other connection terminal. The direction of contact pressure when the contact portion comes into contact with the vicinity of the convex portion (that is, the pressing direction of the signal contact) is perpendicular to the insertion/removal direction. Moreover, the convex portion of the connection terminal is located on the side opposite to the side where the contact portions come into contact with each other, and is provided to prevent the vicinity of the convex portion from being deformed during connection.

JP 2005-190815 A

In the electrical connector assembly of Patent Document 1, since the longitudinal direction of the connection terminals is along the insertion/removal direction, it is necessary for the connection terminals to have a predetermined length in the insertion/removal direction in order to ensure a predetermined contact pressure. It is difficult to reduce the height of the connector.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an electrical connector set and a circuit board on which the electrical connector set is mounted, which enables a low-profile connector.

In order to solve the above problems, an electrical connector set according to one aspect of the present invention includes:
An electrical connector set comprising: a first connector; and a second connector that is removably fitted to the first connector in an insertion/removal direction,
The first connector has first connection terminals and the second connector has second connection terminals,
The first connection terminal has a first contact portion that is a free end portion that extends toward the second connection terminal that is opposed when fitted and has a spring property,
At the time of fitting, the first contact portion is pressed against the second connection terminal in the insertion/removal direction.

In addition, a circuit board on which an electrical connector set according to another aspect of the present invention is mounted,
the electrical connector set;
comprising a first circuit board and a second circuit board;
The first connection terminal has a first mounting portion, and the first connector is mounted on the first circuit board by the first mounting portion,
The second connection terminal has a second mounting portion, and the second connector is mounted on the second circuit board by the second mounting portion.

In this specification, "the contact portion presses the connection terminal in the insertion/removal direction" means that the direction of pressing between the contact portion and the connection terminal is the same as the insertion/removal direction. It means that it includes the case where it is inclined in the angle range of minus 45 degrees to plus 45 degrees with respect to the direction.

According to the present invention, since the first contact portion presses the second connection terminal in the insertion/extraction direction, the spring height in the insertion/extraction direction of the first contact portion, which is required to ensure a predetermined contact pressure, is low. As a result, it is possible to reduce the height of the first connector and thus the height of the electrical connector set.

1 is a perspective view of an electrical connector set according to one embodiment; FIG. 2 is a perspective view of a first connector that constitutes the electrical connector set shown in FIG. 1; FIG. 2 is a perspective view of a second connector that constitutes the electrical connector set shown in FIG. 1; FIG. FIG. 2 is a cross-sectional view illustrating a state in which the electrical connector set (a cross section taken along line IV-IV in FIG. 1) is mounted on a circuit board; FIG. 4 is a diagram illustrating connection of first connection terminals and second connection terminals in the electrical connector set according to the first embodiment; (A) shows before connection, and (B) shows after connection. FIG. 10 is a diagram illustrating connection of first connection terminals and second connection terminals in the electrical connector set according to the second embodiment; (A) shows before connection, and (B) shows after connection. FIG. 10 is a diagram illustrating connection of first connection terminals and second connection terminals in an electrical connector set according to a third embodiment; (A) shows before connection, and (B) shows after connection. FIG. 11 is a diagram illustrating connection of first connection terminals and second connection terminals in an electrical connector set according to a fourth embodiment; (A) shows before connection, and (B) shows after connection.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of an electrical connector set 1 and a circuit board 2 on which the electrical connector set 1 is mounted according to the present invention will be described below with reference to the drawings. For convenience, each drawing shows the X-axis, Y-axis, and Z-axis that are orthogonal to each other. The X-axis direction is the longitudinal direction of the electrical connector set 1 , the Y-axis direction is the direction perpendicular to the longitudinal direction of the electrical connector set 1 , and the Z-axis direction is the insertion/removal direction of the electrical connector set 1 .

[Electrical connector set]
FIG. 1 is a perspective view showing an electrical connector set 1 according to one embodiment.

As shown in FIG. 1, the electrical connector set 1 includes a first connector 10 and a second connector 20 that is removably fitted to the first connector 10 in the insertion/removal direction (Z-axis direction). In the electrical connector set 1, by moving the second connector 20 toward the first connector 10 in the insertion/removal direction (Z-axis direction) in a state in which the second connector 20 faces the first connector 10, the first connector 10 and the first connector 10 are connected. The second connectors 20 are configured to mate or unmate with each other.

[First connector]
FIG. 2 is a perspective view of the first connector 10 that constitutes the electrical connector set 1 shown in FIG.

As shown in FIG. 2, the first connector 10 has a first insulating member 11, a plurality of first connection terminals 14, and a first external grounding member 36. As shown in FIG. As the first insulating member 11, for example, an electrically insulating resin such as a liquid crystal polymer is used. The first insulating member 11 has a first mounting support portion 12 positioned substantially in the center of the first connector 10 in the longitudinal direction (X-axis direction). Fitting recesses 38 having steps recessed in the insertion/removal direction (the negative direction of the Z-axis direction) are formed on both sides of the first mounting support portion 12 . The two fitting recesses 38 are recessed in the insertion/removal direction (the Z-axis direction) and penetrate therethrough, and are configured to receive the fitting protrusions 32 of the second connector 20 described later in a freely fittable manner. Therefore, the first connector 10 is usually called a female connector.

The first attachment support portion 12 has a concave first terminal accommodation portion 13 , and the first connection terminal 14 is supported by attaching the first connection terminal 14 to the first terminal accommodation portion 13 . The plurality of first connection terminals 14 are arranged substantially in the center in the longitudinal direction (X-axis direction) of the first connector 10 and arranged along the longitudinal direction (X-axis direction). In the first connection terminals 14 shown in FIG. 2, three terminals are arranged in one row along the longitudinal direction (X-axis direction). The arrangement of the multipolar first connection terminals 14 is not limited to one row, and may be two rows, three rows or more. Also, the number of the first connection terminals 14 per row is not limited to three, and may be two or less or four or more. A conductive shield member (not shown) may be provided between the rows of the first connection terminals 14 in order to suppress interference of electromagnetic waves between the rows of the first connection terminals 14 .

The first connection terminal 14 extends in the direction orthogonal to the longitudinal direction (Y-axis direction) as a whole when viewed from the insertion/removal direction (Z-axis direction). The first connection terminal 14 is, for example, a conductor connected to a signal potential or a ground potential, and is formed by bending a conductive rod-shaped member with a mold. As the first connection terminal 14, a conductive and elastically deformable material such as phosphor bronze can be used. The surface of the first connection terminal 14 may be plated with gold, for example. Details of the first connection terminal 14 will be described later.

The first external grounding member 36 is a conductor that has a rectangular annular shape when viewed from the insertion/removal direction (Z-axis direction) and is connected to a ground potential. The first external grounding member 36 extends over the fitting surface portion and the outer surface portion of the first insulating member 11 . The first external grounding member 36 shields unnecessary radiation noise emitted from inside and outside the first connector 10 by being connected to the ground potential. As a result, noise generated from the first connection terminal 14 surrounded by the first external grounding member 36 can be prevented from leaking to the outside and noise from the outside can be prevented from entering the first connection terminal 14 . That is, the first connection terminal 14 is electromagnetically shielded by being surrounded by the first external grounding member 36 . As the first external grounding member 36, a conductive and elastically deformable material such as phosphor bronze can be used. The first external grounding member 36 is formed by bending, for example.

The first external grounding member 36 has guide portions 37 on both sides in the longitudinal direction (X-axis direction). The guide portion 37 has a substantially U shape when viewed from the insertion/removal direction (Z-axis direction), and is inclined downward from the outside toward the inside. The guide portion 37 is used as a guide for accurately guiding the fitting protrusion 32 to the fitting recess 38 when the second connector 20 is inserted into the first connector 10 in the insertion/removal direction (Z-axis direction). be.

[Second connector]
FIG. 3 is a perspective view of the second connector 20 that constitutes the electrical connector set 1 shown in FIG.

As shown in FIG. 3 , the second connector 20 has a second insulating member 21 , a plurality of second connection terminals 24 and two second external grounding members 33 . As the second insulating member 21, for example, an electrically insulating resin such as a liquid crystal polymer is used. The second insulating member 21 has a second mounting support portion 22 and two fitting protrusions 32 . The second mounting support portion 22 is positioned substantially in the center of the second connector 20 in the longitudinal direction (X-axis direction), and the two fitting projections 32 are positioned in the longitudinal direction (X-axis direction) of the second connector 20. They are spaced apart from each other at both ends. The fitting protrusion 32 protrudes in the insertion/removal direction (the positive direction of the Z-axis) and has a step, and is configured to be freely fitably inserted into the fitting recess 38 of the first connector 10 . . Therefore, the second connector 20 is usually called a male connector.

The second mounting support portion 22 has a concave second terminal accommodating portion 23 . The second connection terminal 24 is supported by attaching the second connection terminal 24 to the second terminal accommodating portion 23 . A second external grounding member 33 is mounted and supported on the fitting protrusion 32 .

The plurality of second connection terminals 24 are arranged substantially in the center in the longitudinal direction (X-axis direction) of the second connector 20 and arranged along the longitudinal direction (X-axis direction). In the second connection terminals 24 shown in FIG. 3 , three pieces are arranged in one row along the longitudinal direction (X-axis direction) corresponding to the first connection terminals 14 . A conductive shield member (not shown) may be provided between the rows of the second connection terminals 24 in order to suppress interference of electromagnetic waves between the rows of the second connection terminals 24 . An electrical connection is formed between the second connection terminal 24 and the corresponding first connection terminal 14 by elastic contact.

The second connection terminal 24 extends in the Y-axis direction as a whole when viewed from the insertion/removal direction (Z-axis direction). The second connection terminal 24 is, for example, a conductor connected to a signal potential or a ground potential, and is formed by bending a conductive rod-shaped member with a mold. As the second connection terminal 24, a conductive and elastically deformable material such as phosphor bronze can be used. The surface of the second connection terminal 24 may be plated with gold, for example. When the second connector 20 is fitted to the first connector 10 , the second connection terminals 24 face the first connection terminals 14 . Details of the second connection terminal 24 will be described later.

On both sides in the longitudinal direction (X-axis direction) of the plurality of second connectors 20, one and the other second external grounding members 33, 33 are arranged. The second external grounding member 33 is a conductor that has a rectangular shape when viewed in the insertion/removal direction (Z-axis direction) and is connected to a ground potential. The second external grounding member 33 extends over the fitting surface portion and the outer surface portion of the fitting convex portion 32 . The one and the other second external grounding members 33, 33 are connected to a ground potential, thereby shielding unnecessary radiation noise emitted from the inside and outside of the second connector 20 in the longitudinal direction (X-axis direction). The one and the other second external grounding members 33, 33 cooperate with the first external grounding member 36 to surround the second connection terminals 24, and the second connection terminals 24 are connected to the one and the other second external grounding members. It is electromagnetically shielded by the grounding member 33 and the first external grounding member 36 . As the second external grounding member 33, a conductive and elastically deformable material such as phosphor bronze can be used. The second external grounding member 33 is formed by bending, for example.

By inserting the fitting protrusion 32 of the second connector 20 into the fitting recess 38 of the first connector 10, the first connector 10 and the second connector 20 are fitted. When the connector is mated, the second external grounding members 33, 33 are fitted to the first external grounding member 36, and the first external grounding member 36 and the second external grounding member 33 are connected to the first connection terminal 14 and the first external grounding member 33. It surrounds the second connection terminal 24 . As a result, the first external grounding member 36 and the second external grounding member 33 act as fitting portions, and the first connection terminal 14 and the second connection terminal 24 are electromagnetically shielded. Further, the fitting force between the first external grounding member 36 and the second external grounding member 33 can be increased, and the contact force between the first connection terminal 14 and the second connection terminal 24 can be increased.

[First Connection Terminal and Second Connection Terminal According to First Embodiment]
Detailed configurations of the first connection terminal 14 and the second connection terminal 24 according to the first embodiment will be described with reference to FIGS. 4 and 5. FIG. FIG. 4 is a cross-sectional view illustrating a state in which the electrical connector set 1 (a cross section taken along line IV-IV in FIG. 1) is mounted on the circuit board 2. As shown in FIG. FIG. 5 is a diagram illustrating connection of the first connection terminal 14 and the second connection terminal 24 in the electrical connector set 1 according to the first embodiment. (A) shows before connection, and (B) shows after connection.

FIG. 4 shows the electrical connector set 1 mounted on the circuit board 2 . The circuit board 2 includes a first circuit board 3 and a second circuit board 4 . For example, the first connector 10 is mounted on the first circuit board 3 and the second connector 20 is mounted on the second circuit board 4 .

As shown in FIG. 5A, the first connection terminal 14 has a longitudinal direction extending in the Y-axis direction as a whole, and has a first contact portion 15 and a first contact portion 15 extending from the distal end side to the proximal end side. 1 supporting portion 17 , first projecting portion 18 , and first mounting portion 19 .

The first mounting portion 19 is positioned on the base end side and supported by the first mounting support portion 12 . The first mounting portion 19 is mounted and electrically connected to the first mounting connection portion 3a of the first circuit board 3 by a conductive member such as a solder bump. The first projecting portion 18 is located next to the first mounting portion 19 on the tip side. The first protruding portion 18 extends in the insertion/removal direction (Z-axis direction) and protrudes in an inverted U shape toward the second connection terminal 24 . A first projecting facing surface 18a of the first projecting portion 18 is a flat surface facing the second connection terminal 24 and extending parallel to the first mounting surface 3b. Thereby, electrical connection can be obtained more reliably even if there is some positional deviation between the first projecting portion 18 and the second contact portion 25 .

The first support portion 17 is located next to the first projection portion 18 on the distal end side, and is located between the first contact portion 15 and the first projection portion 18 . When the first connector 10 is mounted on the first circuit board 3, the board facing surfaces of the first mounting portion 19 and the first support portion 17 are the surfaces facing the first circuit board 3, and are the first mounting surfaces. It is flush with 3b. The first contact portion 15 is positioned next to the first support portion 17 on the distal end side. The first contact portion 15 is a free end portion that has springiness by being supported by the first support portion 17 . The first contact portion 15 obliquely extends toward the second connection terminal 24 and protrudes toward the distal end side. The first contact portion 15 obliquely extends, for example, at an angle of 30 to 60 degrees with respect to the first mounting surface 3b. The first contact portion 15 is located next to the first contact portion 15 on the tip side. The first contact portion 15 has a curved first contact surface 15 a protruding toward the second connection terminal 24 in an inverted U shape.

The second connection terminal 24 has a longitudinal direction extending in the Y-axis direction as a whole, and includes a second contact portion 25, a second support portion 27, and a second projecting portion extending from the distal end side to the proximal end side. 28 and a second mounting portion 29 .

The second mounting portion 29 is positioned on the base end side and supported by the second mounting support portion 22 . The second mounting portion 29 is mounted and electrically connected to the second mounting connection portion 4a of the second circuit board 4 by a conductive member such as a solder bump. The second projecting portion 28 is located next to the second mounting portion 29 on the tip side. The second protrusion 28 extends in the insertion/removal direction (Z-axis direction) and protrudes in a U shape toward the first connection terminal 14 . A second projecting facing surface 28a of the second projecting portion 28 is a flat surface facing the first connection terminal 14 and extending parallel to the second mounting surface 4b. As a result, even if there is some positional deviation between the second projecting portion 28 and the first contact portion 15, electrical connection can be obtained more reliably. In addition, in order to prevent the visibility of the solder during mounting from deteriorating due to being positioned near the first external grounding member 36, the length of the first mounting portion 19 in the Y-axis direction is the same as that of the second mounting portion. 29 in the Y-axis direction.

The second support portion 27 is positioned next to the second projecting portion 28 on the distal end side and between the second projecting portion 28 and the second contact portion 25 . When the second connector 20 is mounted on the second circuit board 4 , the board-facing surfaces of the second mounting portion 29 and the second support portion 27 are opposed to the second circuit board 4 and the second mounting surface 4 b. It is flush. The second contact portion 25 is positioned next to the second support portion 27 on the distal end side. The second contact portion 25 is a free end portion that has springiness by being supported by the second support portion 27 . The second contact portion 25 obliquely extends toward the first connection terminal 14 and protrudes toward the distal end side. The second contact portion 25 obliquely extends, for example, at an angle of 30 to 60 degrees with respect to the second mounting surface 4b. The second contact portion 25 has a curved second contact surface 25 a protruding toward the first connection terminal 14 in a U-shape.

Then, the first contact portion 15, the first support portion 17 and the first projection portion 18 of the first connection terminal 14 correspond to the second contact portion 25, the second support portion 27 and the second projection portion of the second connection terminal 24, respectively. It has the same shape as the portion 28 . As a result, it is possible to use a common mold for processing the first connection terminal 14 and the second connection terminal 24, thereby reducing processing costs and facilitating mold management.

When the first connector 10 is mounted on the first circuit board 3 , the first supporting portion 17 is configured to abut against and be supported by the first mounting surface 3 b of the first circuit board 3 . Since the first contact portion 15 is supported by a cantilever beam by the first support portion 17, the first contact portion 15 functions as a springy free end portion. 5(B), the contact pressure of the first contact portion 15 acts in the pressing direction F, thereby flattening the curved first contact surface 15a of the first contact portion 15 and the second projecting portion 28. It elastically contacts with the second projecting facing surface 28a. The direction of the contact pressure at this time, that is, the pressing direction F in which the first contact portion 15 presses the second connection terminal 24 at the time of fitting is along the insertion/removal direction (Z-axis direction). As a result, the first height h1b in the insertion/removal direction (Z-axis direction) of the first contact portion 15, which is required to ensure a predetermined contact pressure, is reduced, so the height of the first connector 10 can be reduced. Become.

When the second connector 20 is mounted on the second circuit board 4 , the second support portion 27 is configured to abut against and be supported by the second mounting surface 4 b of the second circuit board 4 . Since the second contact portion 25 is supported by a cantilever by the second support portion 27, it functions as a free end portion having spring properties. 5B, the contact pressure of the second contact portion 25 acts in the pressing direction F, thereby flattening the curved second contact surface 25a of the second contact portion 25 and the first projecting portion 18. It comes into elastic contact with the first projecting facing surface 18a. The direction of the contact pressure at this time, that is, the pressing direction F in which the second contact portion 25 presses the first connection terminal during fitting, is along the insertion/removal direction (Z-axis direction). As a result, the second height h2b in the insertion/removal direction (Z-axis direction) of the second contact portion 25, which is required to ensure a predetermined contact pressure, is reduced, so the height of the second connector 20 can be reduced. Become.

Therefore, at the time of connection in FIG. 5B, electrical connection by elastic contact between the first contact portion 15 and the second projecting portion 28 and electrical connection between the second contact portion 25 and the first projecting portion 18 An electrical connection is obtained by elastic contact at the . That is, since electrical connection by elastic contact is provided at two points between the pair of first connection terminal 14 and second connection terminal 24, the reliability of the electrical connection is improved. Each pressing direction F by the first contact portion 15 and the second contact portion 25 extends along the insertion/removal direction (Z-axis direction). As a result, the first height h1b and the second height h2b in the insertion/removal direction (Z-axis direction) required to secure a predetermined contact pressure are reduced, so that the electrical connector set 1 can be made low-profile. Become. The first connection terminal 14 and the second connection terminal 24 are related to electrical connection in the insertion/removal direction (Z-axis direction), but are not related to fitting in the insertion/removal direction (Z-axis direction). In other words, the first connection terminal 14 and the second connection terminal 24 only abut against the corresponding second contact portion 25 and first contact portion 15, respectively, and are not fitted to each other. That is, when trying to separate the first connection terminal 14 and the second connection terminal 24 in the insertion/removal direction (Z-axis direction), no force that restricts the separation acts on the first connection terminal 14 and the second connection terminal 24 . The first embodiment (shown in FIG. 5) in which the first contact portion 15 contacts the second projecting portion 28 and the second contact portion 25 contacts the first projecting portion 18 is better than the third embodiment described later. It can be made lower than the form (illustrated in FIG. 7).

The first connection terminal 14 is connected to a first support portion 17 extending in a plane direction perpendicular to the thickness direction of the first insulating member 11 and to one end of the first support portion 17 and connected to the first support portion. a first projecting portion 18 projecting more in the thickness direction than 17; and a first contact portion 15 having a low protrusion height. The second connection terminal 24 is connected to a second support portion 27 extending in a plane direction perpendicular to the thickness direction of the second insulating member 21 and to one end of the second support portion 27 and connected to the second support portion. a second projecting portion 28 projecting in the thickness direction more than 27; and a second contact portion 25 having a low protrusion height. Then, the first contact portion 15 contacts the second projecting portion 28 and the second contact portion 25 contacts the first projecting portion 18 . Thereby, the height of the electrical connector set 1 can be reduced.

Further, as shown in FIG. 5A, before the first connection terminal 14 and the second connection terminal 24 are connected (that is, in a non-fitted state), the first protrusion 18 is positioned relative to the first mounting surface 3b. is configured to be higher than the first height h1b of the first contact portion 15 . That is, the first contact portion 15 is recessed from the first projecting portion 18 in the insertion/removal direction (Z-axis direction). As a result, it is possible to prevent the first contact portion 15 from being caught or deformed in the initial stage of fitting, that is, the stage of guiding the second connector 20 .

Similarly, before the first connection terminal 14 and the second connection terminal 24 are connected (that is, in a non-fitted state), the second protrusion height h2a of the second protrusion 28 with respect to the second mounting surface 4b is It is configured to be higher than the second height h2b of the second contact portion 25 . That is, the second contact portion 25 is recessed from the second projecting portion 28 in the insertion/removal direction (Z-axis direction). As a result, it is possible to prevent the second contact portion 25 from being caught or deformed in the initial stage of fitting, that is, the stage of guiding the second connector 20 .

[First Connection Terminal and Second Connection Terminal According to Second Embodiment]
Detailed configurations of the first connection terminal 14 and the second connection terminal 24 according to the second embodiment will be described with reference to FIG. 6 . FIG. 6 is a diagram illustrating connection of the first connection terminal 14 and the second connection terminal 24 in the electrical connector set 1 according to the second embodiment. (A) shows before connection, and (B) shows after connection.

In the first embodiment, the second connection terminal 24 has the second projecting portion 28 and the second contact portion 25, and the first contact portion 15 and the first projecting portion 18 of the first connection terminal 14 are respectively It is in elastic contact with the second projecting portion 28 and the second contact portion 25 of the second connection terminal 24 . In contrast, in the second embodiment, the second connection terminal 24 does not have the second contact portion 25 . Then, as shown in FIG. 6(B), the contact pressure of the first contact portion 15 acts in the pressing direction F, so that the first contact surface 15a of the first contact portion 15 becomes the first contact surface 15a of the second projecting portion 28. It is in elastic contact with the 2-projection facing surface 28a.

As a result, electrical connection is obtained by elastic contact between the first contact portion 15 and the second projecting portion 28, the number of processing steps for the second connection terminal 24 can be reduced, and the manufacturing cost of the electrical connector set 1 can be reduced. can.

[First Connection Terminal and Second Connection Terminal According to Third Embodiment]
Detailed configurations of the first connection terminal 14 and the second connection terminal 24 according to the third embodiment will be described with reference to FIG. 7 . FIG. 7 is a diagram for explaining connection of the first connection terminal 14 and the second connection terminal 24 in the electrical connector set 1 according to the third embodiment. (A) shows before connection, and (B) shows after connection.

In the first embodiment described above, the first connection terminal 14 has the first support portion 17 and the first projecting portion 18, and the second connection terminal 24 has the second support portion 27 and the second projecting portion 28. The first contact portion 15 and the first protrusion 18 of the first connection terminal 14 elastically contact the second protrusion 28 and the second contact portion 25 of the second connection terminal 24, respectively. On the other hand, in the third embodiment, the first connection terminal 14 does not have the first support portion 17 and the first projecting portion 18 and the second connection terminal 24 does not have the second support portion 27 and the second projecting portion 28 . does not have

The first contact portion 15 obliquely protrudes from the first mounting portion 19 toward the second connection terminal 24 and toward the distal end side. The first contact portion 15 acts as a spring that is cantilevered by the first mounting portion 19 . The second contact portion 25 obliquely protrudes from the second mounting portion 29 toward the first connection terminal 14 and toward the distal end side. The second contact portion 25 acts as a spring that is cantilevered by the second mounting portion 29 .

The first connection terminal 14 is connected to a first mounting portion 19 serving as a first portion extending in a plane direction perpendicular to the thickness direction of the first insulating member 11 and one end of the first mounting portion 19 . and a first contact portion 15 serving as a second portion projecting in the thickness direction from the first mounting portion 19 . The second connector 20 has a second insulating member 21 having a fitting protrusion 32 that fits into a fitting recess 38 , and a second connection terminal 24 held by the second insulating member 21 . The second connection terminal 24 is connected to a second mounting portion 29 functioning as a third portion extending in a plane direction perpendicular to the thickness direction of the second insulating member 21 and one end of the second mounting portion 29 . and a second contact portion 25 that functions as a fourth portion that protrudes in the thickness direction from the second mounting portion 28 . The first mounting portion 19 as the first portion contacts the second contact portion 25 as the fourth portion, and the first contact portion 15 as the second portion contacts the second mounting portion 29 as the third portion. . Thereby, the height of the electrical connector set 1 can be reduced.

A first mounting facing surface 19a of the first mounting portion 19 and a second mounting facing surface 29a of the second mounting portion 29 are flat surfaces extending parallel to the first mounting surface 3b and the second mounting surface 4b, respectively. It is the surface. As a result, even if there is some positional deviation between the second mounting portion 29 and the first contact portion 15 and between the first mounting portion 19 and the second contact portion 25, electrical connection can be obtained more reliably. can be done.

Then, as shown in FIG. 7B , the contact pressure of the first contact portion 15 acts in the pressing direction F, so that the first contact surface 15 a of the first contact portion 15 moves to the second contact surface of the second mounting portion 29 . It is in elastic contact with the mounting facing surface 29a. At the same time, the contact pressure of the second contact portion 25 acts in the pressing direction F, so that the second contact surface 25 a of the second contact portion 25 is elastically moved against the first mounting facing surface 19 a of the first mounting portion 19 . come into contact with

Thereby, an electrical connection between the first contact portion 15 and the second mounting portion 29 due to elastic contact and an electrical connection due to the elastic contact between the second contact portion 25 and the first mounting portion 19 are achieved. connection can be obtained, the man-hours for processing the first connection terminals 14 and the second connection terminals 24 can be reduced, and the manufacturing cost of the electrical connector set 1 can be reduced.

[First Connection Terminal and Second Connection Terminal According to Fourth Embodiment]
Detailed configurations of the first connection terminal 14 and the second connection terminal 24 according to the fourth embodiment will be described with reference to FIG. 8 . FIG. 8 is a diagram illustrating connection of the first connection terminal 14 and the second connection terminal 24 in the electrical connector set 1 according to the fourth embodiment. (A) shows before connection, and (B) shows after connection.

In the first embodiment described above, the first connection terminal 14 and the second connection terminal 24 have the first support portion 17 and the second support portion 27, respectively, and the first projection portion 18 and the second projection portion 28 are each formed in an inverted U shape. It protrudes in a letter shape and a U shape. In contrast, in the fourth embodiment, the first connection terminal 14 and the second connection terminal 24 do not have the first support portion 17 and the second support portion 27, respectively, and the first mounting portion 19 is the base point. The first projecting portion 18 projects in an L shape, and the second projecting portion 28 projects in an L shape with the second mounting portion 29 as a base point.

The first connection terminal 14 is connected to a first projecting portion 18 that functions as a first portion extending in a plane direction perpendicular to the thickness direction of the first insulating member 11 and one end of the first projecting portion 18 . and a first contact portion 15 that functions as a second portion that protrudes in the thickness direction from the first protruding portion 18 . The second connector 20 has a second insulating member 21 having a fitting protrusion 32 that fits into a fitting recess 38 , and a second connection terminal 24 held by the second insulating member 21 . The second connection terminal 24 is connected to a second projecting portion 28 that functions as a third portion extending in a plane direction perpendicular to the thickness direction of the second insulating member 21 and one end of the second projecting portion 28 . and a second contact portion 25 that functions as a fourth portion that protrudes in the thickness direction from the second protruding portion 28 . The first protrusion 18 as the first portion contacts the second contact portion 25 as the fourth portion, and the first contact portion 15 as the second portion contacts the second protrusion 28 as the third portion. Thereby, the height of the electrical connector set 1 can be reduced.

A first projecting facing surface 18a of the first projecting portion 18 and a second projecting facing surface 28a of the second projecting portion 28 are flat surfaces extending parallel to the first mounting surface 3b and the second mounting surface 4b, respectively. It is the surface. As a result, even if there is some positional deviation between the second projecting portion 28 and the first contact portion 15 and between the first projecting portion 18 and the second contact portion 25, electrical connection can be made more reliably. can get to

Then, as shown in FIG. 8B, the contact pressure of the first contact portion 15 acts in the pressing direction F, so that the first contact surface 15a of the first contact portion 15 moves to the second contact surface of the second projecting portion 28. As shown in FIG. It comes into elastic contact with the projecting facing surface 28a. At the same time, since the contact pressure of the second contact portion 25 acts in the pressing direction F, the second contact surface 25a of the second contact portion 25 is elastically moved against the first projecting facing surface 18a of the first projecting portion 18. come into contact with

Thereby, an electrical connection by elastic contact between the first contact portion 15 and the second projecting portion 28 and an electrical connection by elastic contact between the second contact portion 25 and the first projecting portion 18 are achieved. connection can be obtained, the man-hours for processing the first connection terminals 14 and the second connection terminals 24 can be reduced, and the manufacturing cost of the electrical connector set 1 can be reduced.

Although specific embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the present invention.

For example, in the first embodiment shown in FIG. 5 and the fourth embodiment shown in FIG. 8, the first contact surface 15a and the second contact surface 25a are flat surfaces, and the first projecting facing surface 18a and the second projecting surface 18a are flat. The facing surface 28a can also be a curved surface.

The present invention and embodiments are summarized as follows.

An electrical connector set 1 according to one aspect of the present invention includes:
An electrical connector set 1 comprising a first connector 10 and a second connector 20 that is removably fitted to the first connector 10 in an insertion/removal direction,
The first connector 10 has first connection terminals 14 and the second connector 20 has second connection terminals 24,
The first connection terminal 14 extends toward the second connection terminal 24 facing when fitted, and has a first contact portion 15 which is a free end portion having spring properties,
At the time of fitting, the first contact portion 15 is pressed against the second connection terminal 24 in the insertion/removal direction.

According to the above configuration, since the first contact portion 15 presses the second connection terminal 24 in the insertion/extraction direction (Z-axis direction), the insertion/extraction direction of the first contact portion 15 required to ensure a predetermined contact pressure is increased. The first height h1b (in the Z-axis direction) is reduced, and the height of the first connector 10 and thus the electrical connector set 1 can be reduced.

Moreover, in the electrical connector set 1 of one embodiment,
The second connection terminal 24 has a second projecting portion 28 projecting toward the first contact portion 15 facing when the connecting terminal 24 is fitted,
At the time of fitting, the first contact portion 15 contacts the second projecting portion 28 .

According to the above embodiment, the first height h1b of the first contact portion 15 in the insertion/removal direction (Z-axis direction) can be reduced according to the second protrusion height h2a of the second protrusion 28, and the first connector 10 Therefore, the height of the electrical connector set 1 can be reduced.

Moreover, in the electrical connector set 1 of one embodiment,
The second connection terminal 24 extends toward the first connection terminal 14 that is opposed during the fitting and has a second contact portion 25 that is a free end portion having spring properties,
At the time of fitting, the second contact portion 25 presses the first connection terminal 14 in the insertion/removal direction.

According to the above embodiment, two electrical connections are provided by elastic contact between the pair of the first connection terminal 14 and the second connection terminal 24, so the reliability of the electrical connection is improved.

Moreover, in the electrical connector set 1 of one embodiment,
The first connection terminal 14 has a first projecting portion 18 projecting toward the second contact portion 25 facing when the connecting terminal 14 is fitted,
At the time of fitting, the second contact portion 25 contacts the first projecting portion 18 .

According to the above embodiment, the second height h2b of the second contact portion 25 in the insertion/removal direction (Z-axis direction) can be reduced according to the first protrusion height h1a of the first protrusion 18, and the second connector 20 Therefore, the height of the electrical connector set 1 can be reduced.

Moreover, in the electrical connector set 1 of one embodiment,
The first connection terminal 14 has a first mounting portion 19 and the second connection terminal 24 has a second mounting portion 29,
During the fitting, the first contact portion 15 contacts the second mounting portion 29 and the second contact portion 25 contacts the first mounting portion 19 .

According to the above embodiment, the electrical connection by elastic contact between the first contact portion 15 and the second mounting portion 29 and the elastic contact between the second contact portion 25 and the first mounting portion 19 Therefore, the number of processing steps for the first connection terminals 14 and the second connection terminals 24 can be reduced, and the manufacturing cost of the electrical connector set 1 can be reduced.

Moreover, in the electrical connector set 1 of one embodiment,
The first protrusion height h1a of the first protrusion 18 is higher than the first height h1b of the first contact portion 15, and
A second protrusion height h2a of the second protrusion 28 is higher than a second height h2b of the second contact portion 25 .

According to the above-described embodiment, it is possible to prevent the first contact portion 15 and the second contact portion 25 from being caught or deformed in the initial stage of mating, that is, the stage of guiding the connector.

Moreover, in the electrical connector set 1 of one embodiment,
The first contact portion 15, the first projecting portion 18, and the first support portion 17 provided between the first contact portion 15 and the first projecting portion 18 in the first connection terminal 14, The second contact portion 25, the second projecting portion 28, and the second support portion 27 provided between the second contact portion 25 and the second projecting portion 28 of the second connection terminal 24, respectively. have the same shape.

According to the above-described embodiment, a common mold can be used for processing the first connection terminal 14 and the second connection terminal 24, so that the processing cost can be reduced and the mold can be easily managed.

Moreover, in the electrical connector set 1 of one embodiment,
the first connector 10 has a first external grounding member 36 and the second connector 20 has a second external grounding member 33;
When the first connector 10 and the second connector 20 are mated, the first external grounding member 36 and the second external grounding member 33 surround the first connection terminal 14 and the second connection terminal 24, The first external grounding member 36 and the second external grounding member 33 are fitted together.

According to the above embodiment, the first external grounding member 36 and the second external grounding member 33 act as fitting portions, and the first connection terminal 14 and the second connection terminal 24 are electromagnetically shielded.

In another aspect, the circuit board 2 mounted with the electrical connector set 1 of the present invention comprises:
the electrical connector set 1 described above;
A first circuit board 3 and a second circuit board 4 are provided as the circuit board 2,
The first connection terminal 14 has a first mounting portion 19, and the first connector 10 is mounted on the first circuit board 3 by the first mounting portion 19,
The second connection terminal 24 has a second mounting portion 29 , and the second connector 20 is mounted on the second circuit board 4 by the second mounting portion 29 .

According to the above embodiment, since the pressing direction F by the first contact portion 15 is along the insertion/removal direction (Z-axis direction), the insertion/removal direction by the first contact portion 15 necessary to ensure a predetermined contact pressure is The first height h1b (in the Z-axis direction) is reduced, and the height of the electrical connector set 1 mounted on the circuit board 2 can be reduced.

In another aspect, the electrical connector set 1 of the present invention includes
An electrical connector set 1 comprising a first connector 10 and a second connector 20 fitted to the first connector 10,
The first connector 10 is
a first insulating member 11 having a fitting recess 38 recessed in the thickness direction;
and a first connection terminal 14 held by the first insulating member 11,
The first connection terminal 14 is connected to a first support portion 17 extending in a plane direction perpendicular to the thickness direction of the first insulating member 11 and one end of the first support portion 17 . a first projecting portion 18 projecting more in the thickness direction than the first supporting portion 17; a first contact portion 15 having a lower protrusion height in the thickness direction than the first protrusion 18;
The second connector 20 is
a second insulating member 21 having a fitting protrusion 32 that fits into the fitting recess 38;
and a second connection terminal 24 held by the second insulating member 21,
The second connection terminal 24 is connected to a second support portion 27 extending in a planar direction perpendicular to the thickness direction of the second insulating member 21 and one end of the second support portion 27 . a second projecting portion 28 that projects more in the thickness direction than the second support portion 27; a second contact portion 25 having a lower protrusion height in the thickness direction than the second protrusion 28,
The first contact portion 15 contacts the second protrusion 28 and the second contact portion 25 contacts the first protrusion 18 .

According to the above embodiment, the height of the electrical connector set 1 can be reduced.

In another aspect, the circuit board 2 mounted with the electrical connector set 1 of the present invention comprises:
the electrical connector set 1 described above;
A first circuit board 3 and a second circuit board 4 are provided as circuit boards,
The first connection terminal 14 has a first mounting portion 19, and the first connector 10 is mounted on the first circuit board 3 by the first mounting portion 19,
The second connection terminal 24 has a second mounting portion 29 , and the second connector 20 is mounted on the second circuit board 4 by the second mounting portion 29 .

According to the above embodiment, the height of the electrical connector set 1 mounted on the circuit board 2 can be reduced.

In another aspect, the electrical connector set 1 of the present invention includes
An electrical connector set 1 comprising a first connector 10 and a second connector 20 fitted to the first connector 10,
The first connector 10 is
a first insulating member 11 having a fitting recess 38 recessed in the thickness direction;
and a first connection terminal 14 held by the first insulating member 11,
The first connection terminal 14 is connected to a first portion 18; 19 extending in a plane direction perpendicular to the thickness direction of the first insulating member 11 and one end of the first portion 18; and a second portion 15 that protrudes in the thickness direction more than the first portions 18; 19,
The second connector 20 is
a second insulating member 21 having a fitting protrusion 32 that fits into the fitting recess 38;
and a second connection terminal 24 held by the second insulating member 21,
The second connection terminal 24 is connected to a third portion 28; 29 extending in a plane direction perpendicular to the thickness direction of the second insulating member 21 and one end of the third portion 28; and a fourth portion 25 that protrudes in the thickness direction more than the third portions 28; 29,
The first portion 18;19 contacts the fourth portion 25 and the second portion 15 contacts the third portion 28;29.

According to the above embodiment, the height of the electrical connector set 1 can be reduced.

In another aspect, the circuit board 2 mounted with the electrical connector set 1 of the present invention comprises:
the electrical connector set 1 described above;
A first circuit board 3 and a second circuit board 4 are provided as circuit boards,
The first connection terminal 14 has a first mounting portion 19, and the first connector 10 is mounted on the first circuit board 3 by the first mounting portion 19,
The second connection terminal 24 has a second mounting portion 29 , and the second connector 20 is mounted on the second circuit board 4 by the second mounting portion 29 .

According to the above embodiment, the height of the electrical connector set 1 mounted on the circuit board 2 can be reduced.

REFERENCE SIGNS LIST 1 electrical connector set 2 circuit board 3 first circuit board 3a first mounting connection portion 3b first mounting surface 4 second circuit board 4a second mounting connection portion 4b second mounting surface 10 second 1 Connector 11 First insulating member 12 First mounting support portion 13 First terminal accommodating portion 14 First connection terminal 15 First contact portion (second portion)
15a... First contact surface 17... First support part 18... First projecting part (first part)
18a... First projecting facing surface 19... First mounting portion (first portion)
19a... First mounting facing surface 20... Second connector 21... Second insulating member 22... Second mounting support part 23... Second terminal housing part 24... Second connection terminal 25... Second contact part (fourth part)
25a... Second contact surface 27... Second support part 28... Second projecting part (third part)
28a... Second projecting facing surface 29... Second mounting portion (third portion)
29a Second mounting facing surface 32 Fitting convex portion 33 Second external grounding member 36 First external grounding member 37 Guide portion 38 Fitting recess F Pressing direction h1a First protrusion height h1b 1 height h2a... 2nd protrusion height h2b... 2nd height

Claims (12)

An electrical connector set comprising: a first connector; and a second connector that is removably fitted to the first connector in an insertion/removal direction,
The first connector has first connection terminals and the second connector has second connection terminals,
The first connection terminal has a first contact portion that is a free end portion that extends toward the second connection terminal that is opposed when fitted and has a spring property,
At the time of fitting, the first contact portion presses the second connection terminal in the insertion/removal direction ,
The second connection terminal has a second projecting portion projecting toward the first contact portion facing the connecting terminal during the fitting,
The electrical connector set , wherein the first contact portion contacts the second projecting portion during the fitting . The second connection terminal extends toward the first connection terminal facing the mating terminal and has a second contact portion that is a free end portion having a spring property,
2. The electrical connector set according to claim 1 , wherein said second contact portion presses said first connection terminal in said insertion/removal direction during said fitting. The first connection terminal has a first projecting portion projecting toward the second contact portion facing the connecting terminal during the fitting,
3. The electrical connector set according to claim 2, wherein said second contact portion contacts said first projecting portion during said mating. The first connection terminal has a first mounting portion and the second connection terminal has a second mounting portion,
3. The electrical connector set according to claim 2 , wherein said first contact portion contacts said second mounting portion and said second contact portion contacts said first mounting portion during said fitting. The first protrusion height of the first protrusion is higher than the first height of the first contact portion, and
4. The electrical connector set according to claim 3 , wherein the second protrusion height of the second protrusion is higher than the second height of the second contact portion. The first contact portion, the first projecting portion, and the first supporting portion provided between the first contact portion and the first projecting portion of the first connection terminal are each connected to the second connection. 4. The terminal according to claim 3 , wherein the terminal has the same shape as the second contact portion, the second protrusion, and the second support provided between the second contact portion and the second protrusion. electrical connector set. said first connector having a first external grounding member and said second connector having a second external grounding member;
When the first connector and the second connector are mated, the first external grounding member and the second external grounding member surround the first connection terminal and the second connection terminal, and the first external grounding member and the second external grounding member are mated. the electrical connector set according to any one of claims 1 to 7 ;
A first circuit board and a second circuit board are provided as circuit boards,
The first connection terminal has a first mounting portion, and the first connector is mounted on the first circuit board by the first mounting portion,
A circuit board on which an electrical connector set is mounted, wherein the second connection terminal has a second mounting portion, and the second connector is mounted on the second circuit board by the second mounting portion. An electrical connector set comprising a first connector and a second connector fitted to the first connector,
The first connector is
a first insulating member having a fitting recess recessed in the thickness direction;
a first connection terminal held by the first insulating member;
The first connection terminal is connected to a first support portion extending in a plane direction perpendicular to the thickness direction of the first insulating member, and one end of the first support portion. a first projecting portion projecting in the thickness direction from a part; and a first projecting portion connected to the other end of the first supporting portion and projecting in the thickness direction more than the first supporting portion and having a thickness greater than the first projecting portion. a first contact portion having a low protrusion height in the direction;
The second connector is
a second insulating member having a fitting projection that fits into the fitting recess;
a second connection terminal held by the second insulating member;
The second connection terminal is connected to a second support portion extending in a plane direction perpendicular to the thickness direction of the second insulating member, and one end of the second support portion. a second projecting portion projecting in the thickness direction from a part; and a second projecting portion connected to the other end of the second supporting portion, projecting in the thickness direction more than the second supporting portion, and having a thickness greater than the second projecting portion. a second contact portion having a low protrusion height in the direction;
An electrical connector set, wherein the first contact portion contacts the second protrusion and the second contact portion contacts the first protrusion. the electrical connector set of claim 9 ;
A first circuit board and a second circuit board are provided as circuit boards,
The first connection terminal has a first mounting portion, and the first connector is mounted on the first circuit board by the first mounting portion,
A circuit board on which an electrical connector set is mounted, wherein the second connection terminal has a second mounting portion, and the second connector is mounted on the second circuit board by the second mounting portion. An electrical connector set comprising a first connector and a second connector fitted to the first connector,
The first connector is
a first insulating member having a fitting recess recessed in the thickness direction;
a first connection terminal held by the first insulating member;
The first connection terminal is connected to a first portion extending in a plane direction perpendicular to the thickness direction of the first insulating member, and one end of the first portion, and is connected to the first portion. and a second portion projecting in the thickness direction,
The second connector is
a second insulating member having a fitting projection that fits into the fitting recess;
a second connection terminal held by the second insulating member;
The second connection terminal is connected to a third portion extending in a plane direction perpendicular to the thickness direction of the second insulating member, and one end of the third portion, and is connected to the third portion. and a fourth portion projecting in the thickness direction,
An electrical connector set wherein said first portion contacts said fourth portion and said second portion contacts said third portion. the electrical connector set of claim 11 ;
A first circuit board and a second circuit board are provided as circuit boards,
The first connection terminal has a first mounting portion, and the first connector is mounted on the first circuit board by the first mounting portion,
A circuit board on which an electrical connector set is mounted, wherein the second connection terminal has a second mounting portion, and the second connector is mounted on the second circuit board by the second mounting portion.

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