connector

Abstract

To provide a connector that can be miniaturized while reliably connecting a conductor portion of an electric wire to a conductive portion exposed on the surface of a board.SOLUTION: A contact 14 held by both a first insulator 15 and a second insulator 16 includes a mounting portion 14A mounted on a board 11, a connecting portion 14F electrically connected to a conductive portion 11D of the board 11, and a concave bent portion 14E extending along the inner surface of concave portion 15C of first insulator 15, and the first insulator 15 and the second insulator 16 are fitted into each other such that the conductor portion 12A of a covered wire 12 is sandwiched between the concave bent portion 14E of the contact 14 and the convex portion 16C of the second insulator 16, and the conductor portion 12A of the covered wire 12 contacts the concave bent portion 14E between the concave portion 15C and the convex portion 16C, such that the conductor portion 12A of the covered wire 12 is electrically connected to the conductive portion 11D of the board 11 via the contact 14.SELECTED DRAWING: Figure 14

Description

Technical Field

[0001] The present invention relates to a connector, and more particularly to a connector for connecting a conductor portion of an electric wire to a conductive portion exposed on the surface of a substrate.

Background Art

[0002] In recent years, so-called smart clothing that can acquire user's biological information such as heart rate and body temperature just by wearing it has attracted attention. This smart clothing includes electrodes disposed at measurement locations and made of flexible conductors, and by electrically connecting a wearable device as a measurement device to the electrodes, biological information can be transmitted to the wearable device. The connection between the electrode and the wearable device can be made, for example, by using a connector connected to a flexible conductor.

[0003] However, when the wearable device is away from the measurement location, it is necessary to form an electric path from the electrode disposed at the measurement location to the mounting position of the connector. If such an electric path is formed by a flexible conductor, the electrical resistance becomes high and the cost increases. Therefore, in order to connect between an electrode made of a flexible conductor and a wearable device with an electric wire having low electrical resistance and low cost, the development of a small connector for connecting an electric wire to a flexible conductor disposed on clothing is desired.

[0004] As a connector for connecting an electric wire to a flexible conductor, for example, Patent Document 1 discloses a connector as shown in FIG. 21. This connector has a first connector 2 connected to an end of a substrate 1 and a second connector 4 attached to the tip of an electric wire 3, and by fitting the second connector 4 to the first connector 2, the electric wire 3 can be connected to the flexible conductor of the substrate 1.

Prior Art Documents

Patent Documents

[0005] [Patent Document 1] Japanese Patent Publication No. 2007-214087 [Overview of the Initiative] [Problems that the invention aims to solve]

[0006] However, in order to connect the wire 3 to the flexible conductor of the circuit board 1, it is necessary to mate the first connector 2 and the second connector 4, which are separately attached to the end of the circuit board 1 and the end of the wire 3, with each other. This results in a larger device, and because there is a detachable connection point between the first connector 2 and the second connector 4, there is a problem of reduced reliability of the electrical connection.

[0007] This invention was made to solve the problems of the conventional methods, and aims to provide a connector that can be miniaturized while reliably connecting the conductor portion of an electric wire to the conductive portion exposed on the surface of a substrate. [Means for solving the problem]

[0008] The connector according to this invention is A connector for connecting the conductive part of an electric wire to a conductive part exposed on the surface of a circuit board, A first insulator disposed on the surface of a substrate and having a recess, A second insulator is positioned to fit into the first insulator and has a protrusion corresponding to a recess, Conductive contacts held in both the first and second insulators Equipped with, Contact lenses are A mounting portion that is positioned at one end of the contact and mounted on the circuit board, A first held portion is positioned adjacent to the mounting portion and held by the first insulator, A second retained portion is positioned at the other end of the contact and held by the second insulator, A deformable connecting part that connects the first held part and the second held part, A connection part that is electrically connected to the conductive part of the substrate and It has, The first retained portion has a concave bent portion that is housed within the recess and extends along the inner surface of the recess. The first and second insulators are fitted together such that the conductor portion of the electric wire is sandwiched between the concave bend of the contact and the convex portion of the second insulator. The conductive portion of the electric wire comes into contact with the concave bend between the concave and convex portions, thereby electrically connecting the conductive portion of the electric wire to the conductive portion of the substrate via the contact.

[0009] It is preferable that the conductor portion of the electric wire and the concave bent portion of the contact make contact with a predetermined contact pressure between the inner surface of the concave portion and the outer surface of the convex portion. In the fitted state of the first insulator and the second insulator, it is preferable that the connecting portion of the contact is curved in a U shape. In this case, it is preferable that the connecting portion has a viewing hole that penetrates the contact in the thickness direction and allows the tip of the conductor portion of the electric wire to be viewed.

[0010] The first insulator has a protrusion that extends toward the surface of the substrate, and a recess is formed on the surface of the substrate. The first insulator can be configured to be placed on the surface of the substrate with the protrusion housed in the recess. Furthermore, the second retained portion of the contact may have a convex bend extending along the outer surface of the convex portion, and the conductor portion of the electric wire may be sandwiched between the concave bend and the convex bend of the contact and in contact with both the concave bend and the convex bend. The connecting portion is preferably located at the linking portion. Preferably, the contacts are integrated with the first and second insulators by insert molding.

[0011] The device can be configured to include multiple contacts arranged in a predetermined orientation and each held by both the first and second insulators, such that the conductive portions of multiple wires are electrically connected to multiple conductive portions of the substrate via the multiple contacts. It is preferable to have a locking mechanism for maintaining the fitted state of the first insulator and the second insulator. The locking mechanism can be formed from a locking portion located on the first insulator and a locked portion located on the second insulator. [Effects of the Invention]

[0012] According to this invention, a conductive contact held in both a first insulator having a recess and a second insulator having a protrusion has a mounting portion that is mounted on a substrate, a connection portion that is electrically connected to a conductive portion of the substrate, and a concave bend portion that extends along the inner surface of the recess of the first insulator. The first and second insulators are fitted together such that the conductor portion of the electric wire is sandwiched between the concave bend portion of the contact and the protrusion of the second insulator, and the conductor portion of the electric wire comes into contact with the concave bend portion between the recess and the protrusion, thereby electrically connecting the conductor portion of the electric wire to the conductive portion of the substrate via the contact. This makes it possible to reliably connect the conductor portion of the electric wire to a conductive portion exposed on the surface of the substrate while also achieving miniaturization. [Brief explanation of the drawing]

[0013] [Figure 1] This is a perspective view showing a connector according to Embodiment 1, which is mounted on a circuit board and has multiple insulated wires connected to it. [Figure 2] This is a perspective view showing the connector according to Embodiment 1 in a state where the first insulator and the second insulator are unfolded relative to each other. [Figure 3] This is a plan view showing the connector according to Embodiment 1 in a state where the first insulator and the second insulator are unfolded relative to each other. [Figure 4]It is a bottom view showing the connector according to Embodiment 1 in a state where the first insulator and the second insulator are unfolded from each other. [Figure 5] It is a front view showing the connector according to Embodiment 1 in a state where the first insulator and the second insulator are unfolded from each other. [Figure 6] It is a side view showing the connector according to Embodiment 1 in a state where the first insulator and the second insulator are unfolded from each other. [Figure 7] It is a perspective view showing the contact used in the connector according to Embodiment 1. [Figure 8] It is a side view showing the contact used in the connector according to Embodiment 1. [Figure 9] It is a perspective view showing the connector according to Embodiment 1 before assembly. [Figure 10] It is a perspective view showing the substrate. [Figure 11] It is a perspective view showing the connector according to Embodiment 1 mounted on the substrate. [Figure 12] It is a perspective view showing the connector according to Embodiment 1 mounted on the substrate and on which a plurality of coated electric wires are arranged. [Figure 13] It is a partial front view showing the connector according to Embodiment 1 mounted on the substrate and into which the conductor portion of the coated electric wire is inserted. [Figure 14] It is a partial side cross-sectional view showing the connector according to Embodiment 1 immediately before assembly. [Figure 15] It is a partial plan view showing the connector according to Embodiment 1 immediately before assembly. [Figure 16] It is a partial side cross-sectional view showing the connector according to Embodiment 1 after assembly. [Figure 17] It is a partial plan view showing the connector according to Embodiment 1 after assembly. [Figure 18] It is a partial front cross-sectional view showing the connector according to Embodiment 1 after assembly. [Figure 19]This is a partial perspective view showing a connector according to Embodiment 2, with the first insulator and the second insulator extended relative to each other. [Figure 20] This is a partial side cross-sectional view showing the connector according to Embodiment 2 after assembly. [Figure 21] This is a perspective view showing a conventional connector. [Modes for carrying out the invention]

[0014] Embodiments of this invention will be described below with reference to the attached drawings. Embodiment 1 Figure 1 shows a connector 10 according to Embodiment 1. This connector 10 connects a plurality of insulated wires 12 to a substrate 11 and comprises a housing 13 made of an insulating resin material and a plurality of contacts 14 held in the housing 13.

[0015] The substrate 11 is made of a sheet-like conductive material, and the connector 10 is mounted on the surface of the substrate 11. Multiple insulated wires 12 are arranged in a predetermined arrangement direction, and each extends parallel to the surface of the substrate 11 and in a direction perpendicular to the arrangement direction. Each insulated wire 12 has a structure in which the outer circumference of the conductor portion 12A is covered with an insulating coating portion 12B. The connector 10 according to Embodiment 1 electrically connects the conductor portions 12A of the multiple insulated wires 12 to multiple conductive parts of the substrate 11, which will be described later. The conductor portion 12A of the insulated wire 12 may be either a so-called single wire, which is composed of a single conductor, or a so-called stranded wire, which is composed of multiple conductors twisted together. The housing 13 extends along the direction of arrangement of the multiple insulated wires 12.

[0016] For convenience, we will refer to the substrate 11 as extending along the XY plane, the direction in which the multiple insulated wires 12 are arranged as the X direction, the direction in which each insulated wire 12 extends toward the housing 13 as the +Y direction, and the direction perpendicular to the XY plane as the Z direction.

[0017] As shown in Figures 2 to 6, the housing 13 is composed of a first insulator 15 and a second insulator 16, each extending in the X direction and separated from one another. The first insulator 15 and the second insulator 16 each hold a plurality of contacts 14 that extend in the Y direction and are arranged in the X direction at an array pitch P1, and the first insulator 15 and the second insulator 16 are connected to each other via the plurality of contacts 14, spaced apart in the Y direction.

[0018] The first insulator 15 has a first plane 15A that is oriented in the +Z direction and extends along the XY plane. Multiple wire insertion grooves 15B are formed on the first plane 15A, which are arranged in the X direction corresponding to multiple contacts 14 and each crosses the first insulator 15 in the Y direction. Furthermore, a recess 15C is formed in the middle of each wire insertion groove 15B, which is recessed in the -Z direction from the bottom surface of the wire insertion groove 15B. The recesses 15C of the multiple wire insertion grooves 15B are connected to each other in the X direction, thereby forming a fitting groove 15D that extends in the X direction across the entire width of the first insulator 15 in the X direction. Furthermore, a projection 15E is formed on the bottom surface of the first insulator 15 facing the -Z direction, extending in the X direction and protruding in the -Z direction across the entire width of the first insulator 15 in the X direction.

[0019] On the other hand, as shown in Figures 2 to 6, the second insulator 16 has a second plane 16A that faces the +Z direction and extends along the XY plane when the first insulator 15 and the second insulator 16 are unfolded relative to each other, with the multiple contacts 14 each extending linearly in the Y direction. A fitting portion 16B is formed on the second plane 16A that extends in the X direction and protrudes in the +Z direction across the entire width of the second insulator 16 in the X direction. Furthermore, a plurality of protrusions 16C are formed on the fitting portion 16B, which are arranged in the X direction corresponding to the multiple contacts 14 and each is housed in the corresponding recess 15C of the first insulator 15. The first insulator 15 and the second insulator 16 are configured to fit together by deforming a plurality of contacts 14 and inserting the fitting portion 16B of the second insulator 16 into the fitting groove 15D of the first insulator 15, so that the second plane 16A contacts the first plane 15A.

[0020] As shown in Figure 7, the contact 14 is formed from a conductive, strip-shaped metal plate that extends generally in the Y direction. A mounting portion 14A, which is mounted on the substrate 11, is located at the -Y end of the contact 14, and a first retained portion 14B, which is held by the first insulator 15, is located adjacent to the +Y side of the mounting portion 14A. A second retained portion 14C, which is held by the second insulator 16, is located at the +Y end of the contact 14, and a connecting portion 14D is located between the first retained portion 14B and the second retained portion 14C, connecting the first retained portion 14B and the second retained portion 14C to each other.

[0021] A concave bent portion 14E is positioned in the middle of the first held portion 14B, which is bent so as to be recessed in the -Z direction. The connecting portion 14D is formed to be deformable so as to curve in the thickness direction of the contact 14, and when the connector 10 is assembled, it is deformed into a U shape that is open toward the -Y direction so that the second retained portion 14C is located on the +Z direction side of the first retained portion 14B. A connecting portion 14F and a viewing hole 14G are formed in the middle of the connecting portion 14D. The connecting portion 14F is formed to protrude in the -Z direction by cutting and bending the metal plate constituting the contact 14, and the viewing hole 14G is located on the +Y direction side of the connecting portion 14F and penetrates the metal plate constituting the contact 14 in the thickness direction.

[0022] As shown in Figure 8, the mounting portion 14A and the connecting portion 14F extend along the XY plane at the same Z-direction position relative to each other, and the bottom of the concave bent portion 14E is located on the -Z side of the mounting portion 14A and the connecting portion 14F. When the first held portion 14B of the contact 14 is held by the first insulator 15, the bottom of the concave bent portion 14E will be positioned within the protruding portion 15E of the first insulator 15. For example, a connector 10 is formed by insert molding, in which multiple contacts 14 having such a configuration, a first insulator 15, and a second insulator 16 are integrated into one.

[0023] As shown in Figure 2, the mounting portion 14A located at the -Y end of each contact 14 is exposed from the first insulator 15 and protrudes in the -Y direction, while the second retained portion 14C located at the +Y end of the contact 14 is embedded in the second insulator 16 and is not visible from the outside. In addition, the connecting portion 14D of each contact 14 is exposed between the first insulator 15 and the second insulator 16, and furthermore, the central portion in the X direction of the first retained portion 14B is exposed within the corresponding wire insertion groove 15B of the first insulator 15. Although not shown in Figure 2, the concave bent portion 14E of the contact 14 is housed in a recess 15C formed in the middle of the wire insertion groove 15B, and the inner surface of the concave bent portion 14E is exposed.

[0024] During insert molding, it is necessary to inject resin while holding the +Y direction ends of the multiple contacts 14 embedded in the second insulator 16 from above and below with retaining pins or the like within the molding die. As a result of removing the retaining pins or the like after molding, the second insulator 16 has multiple insertion holes 16D corresponding to the multiple contacts 14, as shown in Figures 3 and 4.

[0025] As shown in Figure 9, by deforming the connecting portion 14D of the multiple contacts 14 into a U shape, and lifting the second insulator 16 in the +Z direction relative to the first insulator 15 and folding it back in the -Y direction, the connector 10 can be brought to a pre-assembly state in which the second plane 16A of the second insulator 16 is obliquely opposed to the first plane 15A of the first insulator 15.

[0026] Figure 10 shows the substrate 11 on which the connector 10 is mounted. The substrate 11 is made of a sheet-like conductive member having a multilayer structure in which multiple wiring layers and multiple insulating layers, each formed from a conductor, are laminated, and a rectangular connector mounting area 11A is formed on the surface on the +Z side. The connector mounting area 11A is formed by peeling off the insulating layer 11B, which is located on the surface of the substrate 11 on the +Z side, in a rectangular shape, and a recess 11C extending in the X direction is formed in the center of the connector mounting area 11A. Specifically, the recess 11C is formed by a through hole that penetrates the substrate 11 in the Z direction. The recess 11C is sized to accommodate the protrusion 15E that extends in the -Z direction from the bottom surface of the first insulator 15.

[0027] Furthermore, within the connector mounting area 11A, multiple conductive portions 11D are formed on the +Y direction side of the recess 11C, arranged in the X direction to correspond to the multiple contacts 14 of the connector 10. The multiple conductive portions 11D are formed from a part of one wiring layer of the substrate 11 and are connected to multiple wiring portions (not shown) that are covered by the insulating layer 11B. On the other hand, on the -Y direction side of the recess 11C within the connector mounting area 11A, a plurality of fixing portions 11E are formed, arranged in the X direction to correspond to the plurality of contacts 14 of the connector 10. The plurality of fixing portions 11E, like the plurality of conductive portions 11D, can also be formed from a part of one wiring layer of the substrate 11, but the plurality of fixing portions 11E are arranged only within the connector mounting area 11A without being connected to a plurality of wiring portions (not shown).

[0028] The multiple conductive parts 11D and the multiple fixing parts 11E are each arranged in the X direction at the same pitch as the arrangement pitch P1 of the multiple contacts 14. Furthermore, the distance in the Y direction between the recess 11C and the multiple conductive parts 11D is approximately equal to the distance in the Y direction between the protrusion 15E of the first insulator 15 of the connector 10 and the connection part 14F of the multiple contacts 14, and the distance in the Y direction between the recess 11C and the multiple fixing parts 11E is approximately equal to the distance in the Y direction between the protrusion 15E of the first insulator 15 of the connector 10 and the mounting part 14A of the multiple contacts 14.

[0029] Therefore, as shown in Figure 11, when the protruding portion 15E of the first insulator 15 of the connector 10 is fitted into the recess 11C of the substrate 11, the connection portions 14F of the multiple contacts 14 are located on the multiple conductive portions 11D of the substrate 11, and the mounting portions 14A of the multiple contacts 14 are located on the multiple fixing portions 11E of the substrate 11. In this state, the connector 10 is mounted on the circuit board 11 by connecting the connection parts 14F and mounting parts 14A of the multiple contacts 14 to the multiple conductive parts 11D and fixing parts 11E of the circuit board 11, respectively, using solder connections or the like.

[0030] When assembling the connector 10, first, as shown in Figure 12, multiple insulated wires 12 are arranged in the X direction, and the conductor portion 12A drawn out from each insulated wire 12 is inserted into the first insulator 15 of the connector 10 from the -Y direction. At this time, as shown in Figure 13, the conductor portion 12A is inserted into the corresponding wire insertion groove 15B of the first insulator 15. Since the first retained portion 14B of the contact 14 is exposed within the wire insertion groove 15B, the conductor portion 12A is positioned on the surface of the first retained portion 14B of the contact 14, as shown in Figure 14. Furthermore, the conductor portion 12A is inserted into the wire insertion groove 15B so that its +Y direction end protrudes from the +Y direction side of the first insulator 15 and reaches the +Z direction side near the connection portion 14F of the contact 14.

[0031] In the pre-assembly connector 10, where the connecting portion 14D of the contact 14 is deformed into a U shape and the second plane 16A of the second insulator 16 faces diagonally with respect to the first plane 15A of the first insulator 15, the viewing hole 14G formed in the connecting portion 14D of the contact 14 is located on the +Z direction side of the connection portion 14F. Therefore, as shown in Figure 15, the +Y direction end of the conductor portion 12A can be visually inspected from the +Z direction side of the connector 10 through the viewing hole 14G. In other words, a worker performing the connection work of multiple insulated wires 12 can visually confirm, through the viewing holes 14G of the multiple contacts 14, that the +Y direction ends of the multiple conductor portions 12A protrude by a predetermined length on the +Y direction side of the first insulator 15.

[0032] If the insertion length of the conductor portion 12A of the insulated wire 12 into the wire insertion groove 15B of the first insulator 15 is too short, the reliability of the electrical connection between the conductor portion 12A and the contact 14 may decrease. Conversely, if the insertion length of the conductor portion 12A is too long, the conductor portion 12A may short-circuit to the contact 14 corresponding to an adjacent conductor portion 12A. Therefore, by confirming that the +Y direction end of the conductor portion 12A has been inserted to the correct position, the reliability of the connection of multiple insulated wires 12 can be improved.

[0033] Next, as shown in Figure 16, the second insulator 16 is fitted onto the first insulator 15 by pressing it toward the first insulator 15 in the -Z direction. At this time, the second plane 16A of the second insulator 16 contacts the first plane 15A of the first insulator 15, and the middle portion of the conductor 12A inserted into the wire insertion groove 15B of the first insulator 15 is pushed inward by the convex portion 16C of the second insulator 16 into the concave bent portion 14E of the contact 14 housed in the corresponding recess 15C of the first insulator 15. This completes the assembly of connector 10.

[0034] In the connector 10 assembled in this manner, the conductor portion 12A of the insulated wire 12 and the concave bent portion 14E of the contact 14 are in contact in the Y direction with a predetermined contact pressure between the inner surface of the recess 15C and the outer surface of the convex portion 16C, and the conductor portion 12A is electrically connected to the concave bent portion 14E of the contact 14. Furthermore, since the connection portion 14F of the contact 14 is connected to the corresponding conductive portion 11D of the substrate 11, the conductor portion 12A of the insulated wire 12 is electrically connected to the conductive portion 11D of the substrate 11 via the contact 14.

[0035] Furthermore, the conductor portion 12A of the insulated wire 12 is pushed inward into the concave bend portion 14E of the contact 14, causing it to bend along the inner surface of the concave bend portion 14E. As a result, the +Y end of the conductor portion 12A retracts in the -Y direction and is housed in the wire insertion groove 15B of the first insulator 15. Consequently, when the second insulator 16 is fitted into the first insulator 15, as shown in Figure 17, the +Y end of the conductor portion 12A cannot be seen even when looking through the peephole 14G of the contact 14 from the +Z direction. In other words, since the +Y ends of the multiple conductor portions 12A are no longer visible through the peepholes 14G of the multiple contacts 14, the worker can recognize that the multiple conductor portions 12A have been properly pushed inward into the concave bend portions 14E of the multiple contacts 14 and are electrically connected to the multiple contacts 14.

[0036] Furthermore, as shown in Figure 18, the first insulator 15 has locking portions 15F that protrude toward the center of the first insulator 15 in the X direction at its +X and -X ends, respectively. Similarly, the second insulator 16 has locked portions 16E that correspond to the locking portions 15F of the first insulator 15 at its +X and -X ends, respectively. These locking portions 15F and locked portions 16E interfere with each other, thereby maintaining the fitted state of the first insulator 15 and the second insulator 16.

[0037] Furthermore, the concave bent portion 14E of the contact 14 has sufficient length in the Z direction such that the bottom of the concave bent portion 14E is located on the -Z side of the mounting portion 14A and the connection portion 14F. This ensures that the contact surface area between the inner surface of the concave bent portion 14E that contacts in the Y direction and the conductor portion 12A is secured, and the conductor portion 12A is reliably electrically connected to the contact 14. Furthermore, as shown in Figure 14, the bottom of the concave bent portion 14E of the contact 14 is positioned within the protrusion 15E of the first insulator 15, and the protrusion 15E is inserted into the recess 11C of the substrate 11. This makes it possible to realize a thin connector 10 while the concave bent portion 14E has sufficient length in the Z direction.

[0038] Embodiment 2 In the above embodiment 1, the second retained portion 14C formed at the +Y direction end of the contact 14 is embedded in the second insulator 16, but the embodiment is not limited to this. Figure 19 shows a connector 20 according to Embodiment 2. This connector 20 uses contacts 24 instead of contacts 14 in the connector 10 of Embodiment 1. That is, the first insulator 15 and the second insulator 16 are connected by multiple contacts 24, spaced apart from each other.

[0039] The contact 24, like the contact 14 shown in Figures 7 and 8, is formed from a conductive strip of metal and has a mounting portion 24A located at the -Y direction end, a first retained portion 24B located adjacent to the mounting portion 24A on the +Y direction side and held by the first insulator 15, and an exposed connecting portion 24D located adjacent to the first retained portion 24B on the +Y direction side. Furthermore, a concave bent portion 24E is formed in the middle of the first retained portion 24B, and a connecting portion 24F is formed in the middle of the connecting portion 24D. These mounting portion 24A, first retained portion 24B, connecting portion 24D, concave bent portion 24E, and connecting portion 24F have the same configuration as the mounting portion 14A, first retained portion 14B, connecting portion 14D, concave bent portion 14E, and connecting portion 14F of the contact 14 in the connector 10 of Embodiment 1.

[0040] As shown in Figure 20, the contact 24 further has a second retained portion 24C which is connected to the connecting portion 24D and held by the second insulator 16, and the second retained portion 24C has a convex bent portion 24H which extends along and is exposed on the outer surface of the convex portion 16C of the second insulator 16.

[0041] Therefore, when the connector 20 is assembled by fitting the second insulator 16 onto the first insulator 15, the middle portion of the conductor portion 12A inserted into the wire insertion groove 15B of the first insulator 15 is pushed inward into the concave bent portion 24E of the contact 24 housed in the recess 15C of the first insulator 15 by the convex portion 16C of the second insulator 16, where the convex bent portion 24H of the contact 24 is exposed. The conductor portion 12A of the insulated wire 12 is then sandwiched between the concave bent portion 24E and the convex bent portion 24H of the contact 24, and makes contact with both the concave bent portion 24E and the convex bent portion 24H with a predetermined contact pressure. Consequently, the reliability of the electrical connection between the conductor portion 12A and the contact 24 is improved, and the reliability of the connection of multiple insulated wires 12 can be further enhanced.

[0042] In the embodiments 1 and 2 described above, the inner surfaces of the concave bent portions 14E and 24E of the contacts 14 and 24 are in contact with the conductor portion 12A of the insulated wire 12 in the Y direction with a predetermined contact pressure. However, the concave bent portions 14E and 24E can also be provided with spring properties that press against the conductor portion 12A in the Y direction.

[0043] Furthermore, in embodiments 1 and 2 described above, the connectors 10 and 20 are formed by insert molding, but the connectors 10 and 20 can also be formed by holding multiple contacts 14 and 24 in both the first insulator 15 and the second insulator 16, for example, by press-fitting.

[0044] In embodiments 1 and 2 described above, the substrate 11 is made of a sheet-like conductive material, and either a flexible substrate or a rigid substrate can be used as the substrate 11. Furthermore, the substrate 11 is not limited to a sheet-like conductive material as long as it has a connector mounting area 11A for mounting the connectors 10 and 20. Furthermore, in embodiments 1 and 2, the recess 11C in the substrate 11 is formed by a through hole that penetrates the substrate 11 in the Z direction. However, if the substrate 11 has sufficient thickness, the recess 11C can also be formed by a recess formed on the surface of the substrate 11 in the +Z direction without penetrating the substrate 11.

[0045] In addition, while the connector 10 in Embodiment 1 and the connector 20 in Embodiment 2 connect multiple insulated wires 12 to the circuit board 11, the design is not limited to this, and a connector can also be configured to connect a single insulated wire 12 to the circuit board 11 in a similar manner. Furthermore, although insulated wires 12 are used as the wires connected to the circuit board 11, it is also possible to connect wires consisting only of a conductor portion 12A whose outer circumference is not covered by an insulating coating portion 12B to the circuit board 11. [Explanation of Symbols]

[0046] 1 Circuit board, 2 First connector, 3 Electric wire, 4 Second connector, 10, 20 Connectors, 11 Circuit board, 11A Connector mounting area, 11B Insulating layer, 11C Recess, 11D Conductive part, 11E Fixing part, 12 Insulated electric wire, 12A Conductor part, 12B Insulating coating part, 13 Housing, 14, 24 Contacts, 14A, 24A Mounting part, 14B, 24B First retained part, 14C, 24C Second retained part, 14D, 24D Connecting part, 14E, 24E Concave bend part, 14F, 24F Connection part, 14G Peep hole, 15 First insulator, 15A First plane, 15B Electric wire insertion groove, 15C Recess, 15D Mating groove, 15E Protrusion, 16 Second insulator, 16A Second plane, 16B Mating portion, 16C protrusion, 16D insertion hole, 24H convex bent portion, P1 arrangement pitch.

Claims

1. A connector for connecting the conductive part of an electric wire to a conductive part exposed on the surface of a circuit board, A first insulator disposed on the surface of the substrate and having a recess, A second insulator is arranged to fit into the first insulator and has a protrusion corresponding to the recess, Conductive contacts held in both the first insulator and the second insulator and Equipped with, The aforementioned contact is A mounting portion is provided at one end of the contact and mounted on the substrate, A first held portion is arranged adjacent to the mounting portion and held by the first insulator, A second retained portion is positioned at the other end of the contact and held by the second insulator, A deformable connecting portion that connects the first held portion and the second held portion, A connection portion that is electrically connected to the conductive portion of the substrate and It has, The first retained portion has a concave bent portion that is housed in the recess and extends along the inner surface of the recess, The first insulator and the second insulator are fitted together such that the conductor portion of the electric wire is sandwiched between the concave bent portion of the contact and the convex portion of the second insulator. A connector in which the conductor portion of the electric wire comes into contact with the concave bend portion between the recess and the protrusion, thereby electrically connecting the conductor portion of the electric wire to the conductive portion of the substrate via the contact.

2. The connector according to claim 1, wherein the conductor portion of the electric wire and the concave bent portion of the contact are in contact with a predetermined contact pressure between the inner surface of the concave portion and the outer surface of the convex portion.

3. The connector according to claim 1, wherein, in the mated state of the first insulator and the second insulator, the connecting portion of the contact is curved in a U shape.

4. The connector according to claim 3, wherein the connecting portion penetrates the contact in the thickness direction and has a viewing hole for viewing the tip of the conductor portion of the electric wire.

5. The first insulator has a protrusion that extends toward the surface of the substrate, A depression is formed on the surface of the substrate, The connector according to claim 1, wherein the first insulator is disposed on the surface of the substrate with the protruding portion housed in the recess.

6. The second retained portion of the contact has a convex bend that extends along the outer surface of the convex portion, The connector according to claim 1, wherein the conductor portion of the electric wire is sandwiched between the concave bent portion and the convex bent portion of the contact and is in contact with both the concave bent portion and the convex bent portion.

7. The connector according to claim 1, wherein the connecting portion is arranged in the connecting portion.

8. The connector according to claim 1, wherein the contacts are insert-molded into the first insulator and the second insulator.

9. The device comprises a plurality of contacts arranged in a predetermined orientation and each of which is held by both the first insulator and the second insulator, The connector according to any one of claims 1 to 8, wherein the conductive portions of a plurality of electric wires are electrically connected to a plurality of conductive portions of the substrate via the plurality of contacts.

10. The connector according to claim 9, further comprising a locking mechanism for maintaining the mated state of the first insulator and the second insulator.

11. The connector according to claim 10, wherein the locking mechanism comprises a locking portion disposed on the first insulator and a locked portion disposed on the second insulator.

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