JP2017098001A - Contact terminal and connector using this contact connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a contact terminal which, even if substrate failings are attached to the end surface of a substrate, enables satisfactory contact state with a substrate terminal and prevents an injury from being generated on the surface of the substrate terminal, and also to provide a connector using this contact terminal.SOLUTION: A contact terminal includes a substrate terminal connection part 2 connected to a substrate terminal 15 provided at the end 14a of a substrate 14 and connects a conductor 25 and the substrate terminal 15. The substrate terminal connection part 2 has a swinging contact part 7 comprising: a first contact piece 9 which is inclined by slide operation by abutting on the end 14a of the substrate 14 at an initial stage of relative slide operation in the direction of connection between the substrate 14 and the contact terminal; and a second contact piece 10 which is swung to the substrate terminal 15 side by inclination of the first contact piece 9 and comes into contact with the substrate terminal 15 by being delayed from abutment on the end part 14a of the substrate 14 of the first contact piece 9.SELECTED DRAWING: Figure 5-A

Description

  The present invention relates to a contact terminal for connecting a substrate terminal disposed at an end of a substrate and a conductor such as an electric wire.

  When connecting a board terminal arranged at an end of a board and a conductor such as an electric wire, a card edge connector as disclosed in Patent Documents 1 and 2 is used. The card edge connector includes a contact terminal and a connector main body that integrally covers the contact terminal. The contact terminal includes a board terminal connection portion and a conductor connection portion.

  The board terminal connecting portion is provided on one side of the contact terminal. The board terminal connecting portion is provided with an elastic contact piece so as to contact the board terminal with a predetermined contact pressure. In the board terminal connecting portion, the board terminal and the elastic contact piece come into contact with each other with a predetermined contact pressure. The conductor connection portion is provided on the other side of the contact terminal. A conductor such as an electric wire is connected to the conductor connecting portion.

  When connecting the card edge connector and the board terminal, the side end of the board is inserted into the board terminal connecting part of the contact terminal by relative sliding movement in the connecting direction of the contact terminal and the board terminal. Then, after the end surface of the side end portion of the substrate comes into contact with the elastic contact piece or the like, the substrate terminal reaches a predetermined position while sliding with respect to the elastic contact piece, and the elastic contact piece and the substrate terminal are connected. The By connecting the elastic contact piece and the substrate terminal, the substrate terminal and the contact terminal are connected, and the substrate terminal and the conductor are connected.

JP 2014-30007 A JP 2014-207055 A

  In this way, when connecting the card edge connector and the substrate terminal, if the so-called substrate debris adheres to the end surface of the substrate by inserting the terminal or the substrate end surface, the substrate debris is not attached to the substrate terminal and the elastic contact piece. There is a risk that the substrate will get caught between the two. If the substrate residue is caught between the substrate terminal and the elastic contact piece, a necessary contact surface between the substrate terminal and the elastic contact piece cannot be obtained, and there is a possibility that a good connection cannot be made.

  Further, when the card edge connector and the board terminal are connected, the board terminal is moved to a predetermined position while being rubbed against the elastic contact piece by the slide movement, so that there is a problem that the connection surface of the board terminal is damaged. .

  Therefore, the present invention uses a contact terminal that allows a good contact state with the substrate terminal even when substrate debris is attached to the end surface of the substrate and does not cause scratches on the surface of the substrate terminal, and the contact terminal. The purpose is to provide connectors.

  In order to solve the above-described problem, an aspect of the present invention is a contact terminal including a substrate terminal connection portion that is in contact with and electrically connected to a substrate terminal provided at an end portion of the substrate, the substrate terminal connection portion Includes a first contact piece that abuts against an end of the substrate at an initial stage of a relative sliding operation in the connecting direction between the substrate and the contact terminal and tilts with the sliding operation, and the substrate with the tilting of the first contact piece. It has a swinging contact portion which is composed of a second contact piece which swings toward the terminal side and comes into contact with the substrate terminal with a delay from the contact of the first contact piece with the end of the substrate.

  Further, according to one embodiment of the present invention, the first contact piece is provided at a tip portion of the first arm portion that contacts and tilts against the end portion of the substrate by a sliding operation, and contacts the substrate. The second contact piece is formed with the first contact end, and the second contact piece is provided on the second arm portion that swings toward the substrate terminal side as the first arm portion tilts, and the second arm portion is provided on the second arm portion. And a second contact end that comes closer to the substrate terminal side by the swing of the first contact end and comes into contact with the substrate terminal with a delay from the contact of the first contact end with the substrate.

  Further, according to one aspect of the present invention, the contact terminal includes a fulcrum column part, and the fulcrum column part is provided continuously from the column part and the column part that supports the swing contact part in a swingable manner. A support arm portion that supports either the contact piece or the second contact piece, and a fulcrum that is provided between the support column and the support arm portion and serves as a swing fulcrum of the swing contact portion. To do.

  Further, according to one aspect of the present invention, a conductor connection portion is provided at an end opposite to the end portion where the board terminal connection portion is provided, and a support column portion, a support arm portion, A swinging contact portion is formed by a continuous spring portion provided with the second arm portion and the first arm portion, and side plate portions rising in the same direction from both sides of the bottom plate portion are provided on both side portions of the continuous spring portion. Is characterized in that a protrusion is provided on the conductor connecting portion side of the support column and bent to the inside of the contact terminal to prevent the support column from falling.

  Another embodiment of the present invention is characterized in that the first contact piece tilted by the sliding operation has a swing restricting portion that contacts the tip end portion of the first contact piece and restricts the swing position of the swing contact portion.

  Moreover, the connector using the contact terminal according to the present invention is inserted into the contact terminal according to any one of claims 1 to 5 and an end portion on which the contact terminal is held and the board terminal is provided. And a connector main body for connecting the contact terminal and the board terminal with the moving insertion portion.

  According to the contact terminal of the present invention, when the first contact piece comes into contact with the end surface of the substrate and tilts at the initial stage of the relative sliding operation between the substrate and the contact terminal, and the second contact piece comes into contact with the substrate terminal. Since the first contact piece swings toward the board terminal side due to the tilt of the contact piece and comes into contact with the board terminal with a delay from the contact of the first contact piece to the board terminal, Even if the substrate residue adheres to the end face, it does not bite and is in good contact with the substrate terminal.

  Further, since the second contact piece comes into contact with the substrate terminal behind the contact of the first contact piece with the substrate, the second contact piece does not rub against the substrate terminal, and the substrate is moved by a sliding operation in a direction in which the contact terminal and the substrate terminal are connected. The surface of the terminal is not damaged. Moreover, even if a 1st contact piece and a board | substrate contact, a 1st contact piece and a board | substrate are processed by processing a 1st contact piece or a board | substrate terminal so that a 1st contact piece and a board | substrate terminal may not contact. It is also possible to prevent the terminal from rubbing due to the sliding operation.

FIG. 1 is a side view of a contact terminal according to an embodiment of the present invention, partially broken away. FIG. 2 is a front view showing the contact terminal according to the embodiment of the present invention. FIG. 3 is a plan view showing the contact terminal according to the embodiment of the present invention. FIG. 4 is a side view showing the contact terminal according to the embodiment of the present invention. FIG. 5-A shows a contact terminal according to an embodiment of the present invention and a substrate connected to the contact terminal, and a partially broken side view showing an initial state in which the substrate is slid relative to the contact terminal. FIG. FIG. 5-B shows a contact terminal according to an embodiment of the present invention and a substrate connected to the contact terminal, and a part showing a state where the connection is completed by sliding the substrate relative to the contact terminal. It is the side view which fractured | ruptured. FIG. 6 is a perspective view showing a connector and a board using the contact terminals according to the embodiment of the present invention. FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. 6, showing a state before the board is slid to the connector. 8A is a cross-sectional view taken along the line VII-VII in FIG. 6 and showing an initial state in which the substrate is slid relative to the connector. 8B is a cross-sectional view showing a section cut along the line VII-VII in FIG. 6 and a state in which the connection is completed by sliding the substrate relative to the connector.

  Hereinafter, details of a contact terminal according to an embodiment of the present invention and a connector using the contact terminal will be described with reference to the drawings.

[Embodiment of contact terminal]
First, a contact terminal according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 1, 3, and 4, the contact terminal 1 is elongated along a predetermined direction (hereinafter referred to as “longitudinal direction”) L. The contact terminal 1 includes a board terminal connection portion 2, a swing restriction portion 3, and a conductor connection portion 4.

  As shown in FIGS. 1, 5 -A, and 5 -B, the board terminal connection portion 2 is formed of a continuous spring portion 5 and side plate portions 6 provided on both sides of the continuous spring portion 5. . As shown in FIGS. 1, 2, 5 -A, and 5 -B, the continuous spring portion 5 has a long flat plate portion continuous with the bottom plate portion 3 a of the swing restricting portion 3 and has a Y-shaped cross section. It is formed so as to be bent. The continuous spring portion 5 is formed by a swing contact portion 7 disposed substantially parallel to the bottom plate portion 3a of the swing restricting portion 3 and a fulcrum support column portion 8 that rises from the bottom plate portion 3a of the swing restricting portion 3 at a substantially right angle. Has been.

  The swing contact portion 7 is formed of a first contact piece 9 and a second contact piece 10 as shown in FIGS. In the first contact piece 9, a first arm portion 11 and a first contact end 12 on the distal end side (free end side) of the first arm portion 11 are integrally formed. The front end side of the first contact end 12 is bent toward the bottom plate portion 3a side, and a contact end 12a is provided. Further, the first arm portion 11 is provided with an oval convex portion 7a that protrudes toward the back surface side (the fulcrum column portion 8 side). The convex portion 7 a is formed along the extending direction of the first contact piece 9 and the second contact piece 10. The convex portion 7 a is a reinforcing bead for increasing the rigidity of the first contact piece 9 and the second contact piece 10. The convex portion 7 a comes into contact with a convex portion 23 of a support arm 21, which will be described later. An operating space for the one contact end 12 is secured.

  As shown in FIGS. 5A and 5B, the first contact end 12 moves relative to the connection direction 16 between the substrate 14 and the contact terminal 1 (hereinafter simply referred to as “slide operation of the substrate 14”). Projecting into the movement path 17). Then, the first contact piece 9 is brought into contact with the first arm portion 11 by the sliding motion of the substrate 14, and is tilted to the bottom plate portion 3 a side by the further sliding motion of the substrate 14.

  As shown in FIGS. 1, 5 -A, and 5 -B, the second contact piece 10 is formed continuously from the first arm portion 11 and bent at a predetermined angle with respect to the first arm portion 11. The second arm portion 18 and the second contact end 19 provided at the end opposite to the first arm portion 11 are integrally formed. As shown in FIG. 3, the second contact end 19 is provided at two locations at a predetermined interval. Further, the second contact end 19 is retracted from the movement path 17 of the sliding movement of the substrate 14. When the first contact piece 9 is tilted, the second contact piece 10 swings around the fulcrum column 8 so that the second contact end 19 protrudes into the moving path 17.

  The fulcrum support | pillar part 8 is formed with the support | pillar part 20, the support arm part 21, and the fulcrum 22, as shown in FIG.1, FIG.5-A and FIG.5-B. The support column 20 supports the swing contact portion 7 in a swingable manner. The support arm unit 21 is provided continuously from the column unit 20 and supports the second contact piece 10. The fulcrum 22 is located between the support column part 20 and the support arm part 21 and serves as the oscillating fulcrum of the second contact piece 10. Further, on the fulcrum 22 side of the support arm portion 21, a convex portion 23 that protrudes toward the second contact piece 10 side is provided. The convex portion 23 is a reinforcing bead for increasing the rigidity of the support arm portion 21, and ensures the working space of the first contact end 12.

  The support arm portion 21 is formed so as to be continuous with the second contact end 19 side of the second arm portion 18 and folded back toward the second arm portion 18 side. In addition, the support arm portion 21 extends to the lower side of the portion bent at a predetermined angle while the first arm portion 11 and the second arm portion 18 are continuous. Further, the support arm portion 21 is bent toward the bottom plate portion 3a on the lower side of the continuous portion where the first arm portion 11 and the second arm portion 18 are bent, and is continued to the fulcrum support column portion 8. .

  Therefore, as shown in FIG. 5A, when the end portion 14a of the substrate 14 enters the sliding path 17 and slides, the end portion 14a of the substrate 14 contacts the first contact end 12 of the first contact piece 9. . When the substrate 14 is further moved into the movement path 17, the first contact piece 9 is tilted counterclockwise in FIGS. 5-A and 5-B around the fulcrum column 8, and the first contact piece 9 and the predetermined contact piece 9 are predetermined. The second contact piece 10 formed integrally at the angle of FIG. 5A and FIG. 5-B is pivoted counterclockwise by the action around the fulcrum support column 8, and the substrate 14 has been slid. It approaches the board terminal 15 side. As shown in FIGS. 1, 5 -A, and 5-b, the swing contact portion 7 is formed integrally with the fulcrum support column 8 and supported by the fulcrum support column 8. Thus, the first contact piece 9 and the second contact piece 10 swing.

  The side plate portion 6 is formed of a pair of side plates 6a and 6a, front plates 6b and 6b, and bottom plates 6c and 6c, as shown in FIGS. The pair of side plates 6 a and 6 a are provided on both sides of the swing contact portion 7. The front plates 6b, 6b are formed by bending the tip side of the side plates 6a, 6a (opposite side of the conductor connecting portion 4 across the swing contact portion 7) inward (in a direction approaching each other). The bottom plates 6c, 6c are formed by bending the side plates 6a, 6a on the support arm portion 21 side inward (in a direction approaching each other). Further, the bottom plates 6 c and 6 c are provided so as to face the support arm portion 21. The support column 20 is positioned on the bottom plate 6c, 6c on the first contact piece 9 side.

  Further, the side plates 6a, 6a are provided with protrusions 24, 24 bent inwardly (in a direction approaching each other). A support column 20 is disposed between the protrusions 24 and 24 and the bottom plates 6c and 6c. As a result, the first contact piece 9 of the swing contact portion 7 tilts, and when the second contact piece 10 swings due to the tilt of the first contact piece 9, the tilting of the support column 20 is caused by the protrusions 24, 24. It is restrained at the ends of the bottom plates 6c and 6c. Further, the swinging state of the swing contact portion 7 is restricted by the swing restricting portion 3.

  The swing restricting portion 3 includes side plates 3b and 3b that rise from both side portions of the bottom plate portion 3a, and restricting plates 3c that are bent so that the side plates 3b and 3b have the same height inside (in a direction approaching each other). And 3c. The abutting end 13 of the tip of the tilted first contact piece 9 abuts on the regulation plates 3c and 3c. When the abutting end 13 comes into contact with the regulating plates 3c and 3c, excessive swinging of the swing contact portion 7 in the counterclockwise direction in FIGS. As a result, the second contact end 19 of the second contact piece 10 contacts the substrate terminal 15 with a predetermined contact pressure.

  The conductor connecting portion 4 is formed by an electric wire holding portion 26 that holds an electric wire 25 as a conductor, and a core wire caulking connecting portion 27 that caulks and connects the core wire of the electric wire 25. The electric wire holding portion 26 is formed of a bottom plate portion 28 and a pair of side plate portions 29 and 29 that rise in the same direction from both side portions of the bottom plate portion 28. The core wire crimping connection portion 27 is formed by a bottom plate portion 30 extending from the bottom plate portion 28 of the electric wire holding portion 26 and a pair of side plate portions 31 and 31 rising from both side portions of the bottom plate portion 30.

  As shown in FIGS. 5A and 5B, the side plate portions 29 and 29 of the electric wire holding portion 26 are bent in a direction approaching each other and wound around the outer periphery of the electric wire 25 to hold the end of the electric wire 25. The side plate portions 31 and 31 of the core wire crimping connection portion 27 are bent in a direction approaching each other, and the core wire is crimped to the bottom plate portion 30 side to electrically connect the electric wire 25 and the contact terminal 1.

  Next, a procedure for connecting the electric wire 25 and the substrate terminal 15 by bringing the substrate terminal 15 of the substrate 14 into contact with the contact terminal 1 and a movement when the second contact piece 10 contacts the substrate terminal 15 will be described.

  As shown in FIG. 1, in a state before the substrate 14 slides relative to the contact terminal 1, the first contact piece 9 protrudes into the moving path 17 in which the substrate 14 slides. The two-contact piece 10 is retracted from the movement path 17. In this state, as shown in FIG. 5A, when the substrate 14 slides in the moving path 17 along which the substrate 14 slides, the end portion 14a of the substrate 14 is moved to the first contact piece at the initial stage of this movement. 9 abuts on the first contact end 12 side.

  Further, as shown in FIG. 5B, when the substrate 14 slides, the first contact piece 9 tilts counterclockwise around the fulcrum 22 in FIG. When the first contact piece 9 tilts around the fulcrum 22, the second contact piece 10 moves counterclockwise around the fulcrum 22 in FIG. It swings and the second contact end 19 of the second contact piece 10 approaches the substrate terminal 15 side of the substrate 14.

  Then, as shown in FIG. 5B, when the substrate 14 moves to the final position of the slide movement, the contact end 13 of the first contact piece 9 contacts the restriction plate 3c, and the tilt of the first contact piece 9 is restricted. At the same time, the swing of the second contact piece 10 is restricted. In this state, the second contact end 19 of the second contact piece 10 is pressed and electrically connected to the substrate terminal 15 with a predetermined contact pressure. In this case, the first contact end 12 of the first contact piece 9 is also electrically connected to the board terminal 15, but the main electrical connection between the contact terminal 1 and the board terminal 15 is the second contact piece 10 and the board terminal. The electrical connection between the first contact piece 9 and the substrate terminal 15 is not always necessary.

  The contact pressure when the second contact end 19 of the second contact piece 10 contacts the substrate terminal 15 can be arbitrarily set according to the position of the fulcrum support column 8 and the length of the fulcrum support column 8 and is necessary. It is possible to easily set the optimum position and length at which the contact pressure can be obtained.

  That is, the support column 20 of the fulcrum support column 8 is provided by raising from the bottom plate 3a at a position close to the swing restricting portion 3, or is raised from the bottom plate 3a at a position far from the swing restricting portion 3 The strength of the contact pressure can be adjusted by providing 20.

  Further, the contact pressure can be set high or low by setting the length of the fulcrum support column part 8 to be long or short.

  Further, the adjustment of the delay time from the contact of the second contact end 19 of the second contact piece 19 to the substrate terminal 15 after the contact of the first contact end 12 with the substrate terminal 15 is also possible. It can be easily adjusted by changing the position and length.

  As described above, according to the contact terminal 1 according to the present embodiment, the first contact piece 9 comes into contact with the end portion 14 a of the substrate 14 at the initial stage of the relative sliding operation between the substrate 14 and the contact terminal 1. When the second contact piece 10 tilts and contacts the substrate terminal 15, the second contact piece 10 swings toward the substrate terminal 15 side due to the tilt of the first contact piece 9 and is delayed from the contact of the first contact piece 9 with the substrate terminal 15. Therefore, the second contact piece 10 is in good contact with the substrate terminal 15 without biting the adhering material adhering to the end portion 14 a of the substrate 14.

  Further, since the second contact piece 10 comes into contact with the substrate terminal 15 after the contact of the first contact piece 9 with the substrate 14, it does not rub against the substrate terminal 15, and the contact terminal 1 and the substrate terminal 15 are connected. The surface of the substrate terminal 15 is not damaged by the sliding operation in the direction in which it moves.

  Further, even if the first contact piece 9 contacts the end portion 14 a of the substrate 14, the contact terminal 1 and the substrate terminal 15 are connected by preventing the first contact piece 9 from being connected to the substrate terminal 15. Since the contact terminal 1 and the board terminal 15 do not slide due to the sliding operation in the direction, the surface of the board terminal 15 is not damaged.

  Further, in order to prevent the first contact piece 9 from being connected to the substrate terminal 15, for example, the first contact end 12 is coated with an insulating member or provided at the side end portion of the substrate 14. The substrate terminal 15 may be provided on the inner side from the end surface of the substrate 14 and the substrate terminal 15 may be offset inward from the side end portion of the substrate 14 with which the first contact piece 9 contacts.

  Moreover, according to the contact terminal 1 which concerns on this Embodiment, the excessive inclination of the 1st contact piece 9 is controlled because the contact edge 13 of the 1st contact piece 9 contact | abuts to the control board 3c, Thereby, Since the swing amount of the swing contact portion 7 is regulated, excessive swing of the swing contact portion 7 can be prevented.

  Further, when the abutting end 13 abuts on the regulation plate 3c, for example, when the substrate 14 is twisted with respect to the contact terminal 1 due to vibration or the like, the abutting end 13 is regulated by the substrate curling. As a reaction of the force that presses the plate 3c, a force in the direction of increasing the contact pressure that presses the second contact end 19 toward the board terminal 15 works, and a high contact pressure is obtained, and high robustness against vibration is obtained. Can do.

  Further, according to the contact terminal 1 according to the present embodiment, the swing contact portion 7 is surrounded and protected by the side plate portion 6. Specifically, both sides of the swing contact portion 7 are protected by the side plates 6a and 6a, and the front side of the swing contact portion 7 (the side on which the board terminal 15 slides) is protected by the front plates 6b and 6b. The lower side of the oscillating contact portion 7 (the fulcrum column portion 8 side) is protected by the bottom plates 6c and 6c. As a result, the swing contact portion 7 can be protected from collision, twisting, and foreign matter due to the sliding movement of the substrate terminal 15.

  In addition, according to the contact terminal 1 according to the present embodiment, the support member 20 of the fulcrum support column 8 is disposed between the bottom plates 6 c and 6 c and the protrusion 24, so that the first contact is made by the sliding movement of the substrate terminal 15. When the piece 9 tilts around the fulcrum 22, the support column 20 comes into contact with the protrusion 24 even if the support column 20 tends to fall excessively toward the swing restricting unit 3. Thereby, the excessive fall of the support | pillar part 20 can be prevented.

  Moreover, according to the contact terminal 1 which concerns on this Embodiment, by providing the convex part 7a which protrudes in the fulcrum support | pillar part 8 side from the 1st contact piece 9 to the 2nd contact piece 10, the 1st contact piece 9, The rigidity of the second contact piece 10 can be increased, and a high contact pressure can be obtained.

  Furthermore, according to the contact terminal 1 according to the present embodiment, the convex portion 23 is provided on the fulcrum column 8 side from the first contact piece 9 to the second contact piece 10, whereby the first contact piece 9 is provided with the substrate 14. Even if the end portion 14 a abuts and the substrate residue is caught between the first contact piece 9 and the substrate terminal 15, the substrate residue falls to the convex portion 7 a, thereby causing the first contact piece 9 and the substrate terminal 15 to be separated. The substrate substrate can be removed. In this way, foreign matter or the like can be dropped from the surface of the substrate terminal 15 into the recess on the back side of the convex portion 7a, so that a good contact state between the second contact piece 10 and the substrate terminal 15 can be obtained.

  Moreover, according to the contact terminal 1 which concerns on this Embodiment, the rigidity of the support arm part 21 can be improved by providing the support arm part 21 with the convex part 23. FIG. In addition, when the end portion 14 a of the substrate 14 abuts on the first contact piece 9 and the first contact piece 9 is tilted, the convex portion 7 a of the first contact piece 9 becomes the convex portion of the support arm portion 21. The second contact piece 10 abuts on the portion 23 and swings around the fulcrum 22 by the action of the lever. In this case, the convex portion 7a abuts on the convex portion 23, thereby improving the lever action.

[Connector embodiment]
Next, a connector using the contact terminal 1 will be described with reference to FIGS. 6, 7, 8-A, and 8-B. In the contact terminal 1 shown in FIGS. 5A and 5B, the swing contact portion 7 is disposed so that the second contact end 19 faces upward, and the substrate 14 is on the upper side of the swing contact portion 7. Although shown so as to slide, in the connector 32 shown in FIGS. 8A and 8B, the swing contact portion 7 is arranged so that the second contact end 19 faces downward, and the connector main body 33. The contact terminal 1 is integrally molded (embedded) and held, and the substrate 14 slides on the lower side of the swing contact portion 7.

  As shown in FIGS. 6 and 7, the connector 32 is formed of the contact terminal 1, the connector main body 33, and the cover 34. The contact terminal 1 has been described in the above embodiment shown in FIGS. The connector main body 33 is formed of an insulator such as synthetic resin, and a plurality of contact terminals 1 are integrally molded therein in a parallel state (in this embodiment, eight contact terminals 1 are molded. ). The cover 34 is connected to the conductor connection portion 4 of the contact terminal 1 and protects the electric wire 25 drawn from the connector main body 33.

  As shown in FIG. 7, the connector main body 33 is provided with an insertion portion 35 into which the substrate 14 is fitted by sliding movement. In this insertion portion 35, the swing contact portion 7 of the contact terminal 1 is disposed so that the first contact piece 9 protrudes into the moving path 17 in the insertion portion 35 on which the substrate 14 slides, and the second contact piece 9 is slid. The contact piece 10 is retracted from the moving path 17.

  As shown in FIG. 7, when the substrate 14 is slid toward the insertion portion 35 and inserted into the insertion portion 35 from the state where the substrate 14 is aligned with the opening 35 a of the insertion portion 35, the state shown in FIG. Thus, at the initial stage of the sliding movement of the substrate 14, the end portion 14 a of the substrate 14 comes into contact with the first contact end 12 side of the first contact piece 9.

  When the substrate 14 is further slid, the first contact piece 9 tilts clockwise around the fulcrum 22 in FIG. 8A. When the first contact piece 9 tilts around the fulcrum 22, the second contact piece 10 swings clockwise around the fulcrum 22 in 8-A by the action of the first contact piece 9 as the first contact piece 9 tilts. Then, the second contact end 19 of the second contact piece 10 approaches the substrate terminal 15 side of the substrate 14.

  Then, as shown in FIG. 8B, when the substrate 14 moves to the final position of the sliding movement, the contact end 13 of the first contact piece 9 contacts the restriction plate 3c, and the tilt of the first contact piece 9 is restricted. At the same time, the swing of the second contact piece 10 is restricted. In this state, the second contact end 19 of the second contact piece 10 contacts and is electrically connected to the substrate terminal 15 with a predetermined contact pressure. In this case, the first contact end 12 of the first contact piece 9 is also connected to the board terminal 15.

  Also in the connector 32 according to the present embodiment, the first contact piece 9 comes into contact with the end portion 14a of the substrate 14 and tilts at the initial stage of the relative sliding operation in the connection direction between the substrate 14 and the contact terminal 1. When contacting the terminal 15, the second contact piece 10 swings toward the substrate terminal 15 due to the tilt of the first contact piece 9, and comes into contact with the substrate terminal 15 with a delay from the contact of the first contact piece 9 with the substrate terminal 15. The second contact piece 10 is in good contact with the substrate terminal 15 without biting the deposits such as substrate debris even if the deposits such as substrate debris adhere to the end portion 14a of the substrate 14. It becomes a state.

  Also in the connector 32 according to the present embodiment, the second contact piece 10 comes into contact with the substrate terminal 15 after the contact of the first contact piece 9 with the substrate 14, so that it does not rub against the substrate terminal 15. The surface of the substrate terminal 15 is not damaged by the sliding operation in the direction in which the contact terminal 1 and the substrate terminal 15 are connected.

  Further, even if the first contact piece 9 contacts the end portion 14 a of the substrate 14, the contact terminal 1 and the substrate terminal 15 are connected by preventing the first contact piece 9 from being connected to the substrate terminal 15. Since the contact terminal 1 and the board terminal 15 do not slide due to the sliding operation in the direction, the surface of the board terminal 15 is not damaged.

  Further, in order to prevent the first contact piece 9 from being connected to the substrate terminal 15, for example, the first contact end 12 is coated with an insulating member or provided on the end portion 14 a of the substrate 14. The substrate terminal 15 may be provided inward from the end surface of the substrate 14 and offset inward from the end portion 14a of the substrate 14 with which the first contact piece 9 contacts.

  In addition, although the contact terminal 1 which concerns on the said embodiment formed the fulcrum support | pillar part 8, the 1st contact piece 9, and the 2nd contact piece 10 with the continuous spring part 5 continuous from the baseplate part 3a, The first contact piece 9 and the second contact piece 10 may be formed separately and assembled, or may be integrally formed by joining by welding or the like.

  Further, the contact terminal 1 according to the above embodiment is provided with a support arm portion 21 extending from the support column portion 20 and continuously provided with the second contact piece 10 from the support arm portion 21. The first contact piece 9 may be provided continuously from the arm portion 21, and the second contact piece 10 may be provided continuously from the first contact piece 9.

  Further, in each of the above-described embodiments, the contact terminal 1 for connecting a conductor whose core wire is covered with an insulator as a conductor is connected to the conductor connecting portion 4. However, as the conductor, for example, another conductor such as a bus bar is connected to the conductor connecting portion. 4 may be connected.

  Although the embodiments of the present invention have been disclosed as described above, it is obvious that those skilled in the art can make changes without departing from the scope of the present invention. All such modifications and equivalents are intended to be included in the following claims.

  The contact terminal according to the present invention can be used for home appliances, industrial equipment, robots, computers and peripheral devices, communication base station automobiles, etc. that use a substrate, and particularly requires reliability for "vibration" and "squeeze". It can be used for all “card edge connectors” that are in direct contact with a substrate.

DESCRIPTION OF SYMBOLS 1 Contact terminal 2 Board terminal connection part 3 Oscillation restriction part 3a Bottom plate part 3c Restriction plate 4 Conductor connection part 5 Continuous spring part 6 Side plate part 6a Side plate 6b Front plate 6c Bottom plate 7 Oscillation contact part 8 Support point support 9 Piece 10 Second contact piece 11 First arm portion 12 First contact piece 12a Abutting end 14 Substrate 14a End portion 15 Substrate terminal 18 Second arm portion 19 Second contact end 20 Supporting portion 21 Support arm portion 22 Support point 24 Projection 25 Electric wire (conductor)
32 Connector 33 Connector body 35 Insertion section

Claims (6)

A contact terminal provided with a board terminal connection part for contacting and electrically connecting to a board terminal provided at an end of the board,
The board terminal connecting portion is a first contact piece that contacts the end of the board at an initial stage of a relative sliding operation in the connection direction between the board and the contact terminal, and tilts with the sliding action. As the first contact piece tilts, the second contact piece swings toward the substrate terminal side and comes into contact with the substrate terminal with a delay from the contact of the first contact piece with the end of the substrate. A contact terminal having a swing contact portion. The first contact piece includes a first arm portion that tilts in contact with an end portion of the substrate by the sliding operation, and a first contact end that is provided at a distal end portion of the first arm portion and contacts the substrate. Formed with
The second contact piece includes a second arm portion that swings toward the substrate terminal as the first arm portion tilts, and the second contact piece that is provided on the second arm portion and swings toward the substrate terminal side. 2. The contact terminal according to claim 1, further comprising a second contact end that approaches the substrate terminal side and contacts the substrate terminal with a delay from the contact of the first contact end with the substrate. The contact terminal has a fulcrum column part,
The fulcrum support part is a support part that supports the swing contact part in a swingable manner;
A support arm portion that is provided continuously from the support portion and supports either the first contact piece or the second contact piece;
The contact terminal according to claim 1, further comprising a fulcrum provided between the column portion and the support arm portion and serving as a fulcrum fulcrum of the oscillating contact portion. A conductor connection portion is provided at an end opposite to the end portion where the board terminal connection portion is provided, and the support column portion, the support arm portion, the second arm portion, continuously from the bottom plate portion of the conductor connection portion, The swing contact portion is formed by a continuous spring portion provided with the first arm portion,
Side plate portions that rise in the same direction from both sides of the bottom plate portion are provided on both sides of the continuous spring portion,
The side plate portion is provided with a protrusion that is bent toward the inside of the contact terminal on the conductor connection portion side of the support column and prevents the support column from falling down. Contact terminals.   4. The device according to claim 1, further comprising a swing restricting portion that contacts a tip end portion of the first contact piece tilted by the sliding operation and restricts a swing position of the swing contact portion. The contact terminal according to one item. The contact terminal comprising: the contact terminal according to any one of claims 1 to 5; and an insertion portion in which the contact terminal is held and the end portion on which the substrate terminal is provided is inserted and moved. And a connector main body for connecting the substrate terminal.