JP2017091894A - Pressure contact connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pressure contact connector which is easy to automate mounting on a substrate.SOLUTION: There is disclosed a pressure contact connector 1 capable of being mounted on a substrate. This pressure contact connector includes: a spiral-shaped elastic arm part 10 which is made of a plate-like member having conductivity and elasticity and constructed so that a plate surface 11 becomes parallel to a virtual line L1 by using the virtual line L1 extending in the vertical direction as an axis; and a contact point part 20 elastically supported by the elastic arm part 10. The contact point part 20 is contracted continuously to one end of the elastic arm part 10 and has a first flat plate part 21 expanding in a horizontal direction. The first flat plate part 21 is located on the upper side of the elastic arm part 10 and expands in the horizontal direction so as to be overlapped on a projection surface of the elastic arm part 10 in a projection view from above.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a pressure contact connector, and more particularly, to a pressure contact connector including a spiral elastic arm portion and a contact portion formed at an end portion of the elastic arm portion.

  In recent years, a spiral elastic arm has been used as an electronic component for electrically connecting a wiring electrode of a substrate incorporated in an electronic device and a contact electrode of another member (such as an electronic component or a substrate) without directly soldering. What is called a pressure contact connector provided with a contact portion formed on the end portion of the elastic arm portion and the elastic arm portion has been put into practical use.

  Patent document 1 etc. are disclosed regarding the conventional press-contact connector. Hereinafter, a conventional pressure contact connector according to Patent Document 1 will be described with reference to FIG. FIG. 7 is an explanatory view showing the structure of a bamboo shoot-like contact 901 that is a conventional pressure contact connector according to Patent Document 1. As shown in FIG. For the sake of convenience, the direction in FIG. 7 will be described with the axial direction of the spiral of the spring coil 910 as the vertical direction and the side with the contact portion 920 as the upper side.

  A bamboo shoot-like contact 901 (pressure contact connector) according to Patent Document 1 is an electronic component integrally formed by bending a metal plate having conductivity and elasticity, and as shown in FIG. A coil 910 (elastic arm portion), a contact portion 920 formed at one end of the spring coil 910 and pressed against a contact electrode of another member, and a terminal formed at the other end and electrically connected to the wiring electrode of the substrate Part 930.

  The spring coil 910 is a spiral portion configured such that the plate surface is parallel to the virtual line with a virtual line (not shown) extending in the vertical direction as an axis, and is the inner peripheral side of the spiral (hereinafter abbreviated as inner peripheral side). ) Has a spring structure called a bamboo shoot spring protruding upward from the outer peripheral side of the spiral (hereinafter referred to as the outer peripheral side). The spring coil 910 has end portions on the inner peripheral side and the outer peripheral side, respectively, and the upper end portion of the end portion on the inner peripheral side of the spring coil 910 is the contact portion 920 described above. Further, the outermost peripheral portion (hereinafter, abbreviated as the outer peripheral portion) of the spiral of the spring coil 910 is the terminal portion 930 described above.

  Although not shown, in Patent Document 1, the lower part of the bamboo shoot-like contact 901 is inserted into a through hole provided in the substrate with the contact portion 920 facing upward, and the terminal portion 930 and the wiring electrode on the substrate are electrically connected. And the other contact member 920 is pressed onto the contact portion 920 to press-contact the contact portion 920 and the contact electrode of the other member, whereby the wiring electrode of the substrate and the contact electrode of the other member are in the shape of a bamboo shoot. A method of electrically connecting via a contact 901 is disclosed. Although not disclosed in Patent Document 1, the bamboo shoot-like contact 901 is mounted on the substrate with the contact portion 920 facing upward, and the terminal portion 930 and the wiring electrode on the substrate are electrically connected by a method such as soldering. It is also possible to connect them.

JP 2005-129428 A

  By the way, when mounting an electronic component such as a pressure connector on a substrate, it is desirable to use a mounting method that can be automated from the viewpoint of improving work efficiency. As a method of mounting electronic components suitable for automation, electronic components are supplied using a device such as taping or parts feeder, and the upper end portion of the supplied electronic components is sucked with a suction nozzle to suck the electronic components. It is generally well known that the electronic component is moved onto the substrate while the suction is released and the electronic component is placed on the mounting surface of the substrate.

  However, when the bamboo shoot-like contact 901 (pressure contact connector) described in Patent Document 1 is mounted on a substrate by such a mounting method, the contact portion 920 is sucked when the bamboo shoot-like contact 901 is sucked. Further, since the contact portion 920 is composed of an end face of a metal plate, it is difficult to secure a sufficient adsorption area when adsorbing the bamboo cuboid contact 901, and the adsorption of the bamboo cuboid contact 901 is likely to become unstable due to air leakage or the like. It was. This makes it difficult to automate the mounting of the bamboo shoot-like contact 901 on the substrate. In addition, when it is going to reduce the mounting area of the bamboo shoot-like contact 901, it is necessary to use a metal plate having a smaller thickness in accordance with the downsizing, so this tendency becomes more remarkable.

  The present invention has been made in view of the situation of the prior art as described above, and an object of the present invention is to provide a miniaturizable press-connecting connector that can be easily mounted on a board.

  In order to solve this problem, the press-connecting connector according to claim 1 is a press-connecting connector that can be mounted on a substrate, is made of a plate-like member having conductivity and elasticity, and has an imaginary line extending in the vertical direction. A spiral elastic arm portion configured such that a plate surface is parallel to the virtual line as an axis, and a contact portion elastically supported by the elastic arm portion, and the contact portion of the elastic arm portion A first flat plate portion that is continuous with one end portion and extends in the horizontal direction, and the first flat plate portion is located above the elastic arm portion; It is characterized by spreading in the horizontal direction so as to overlap the projection plane.

  In the pressure contact connector of this configuration, the contact portion is located on the upper side of the elastic arm portion, and has a first flat plate portion that extends in the horizontal direction so as to overlap the projection surface of the elastic arm portion when projected from above. The first flat plate portion can be formed by effectively using the space above the elastic arm portion, and it is easy to secure the suction area by sucking the first flat plate portion during mounting, and the suction during mounting can be stabilized. become able to. As a result, even with a miniaturized pressure contact connector, it is easy to attract the pressure contact connector using the suction nozzle, and it is easy to automate mounting on the substrate.

  The pressure contact connector according to claim 2 is characterized in that the first flat plate portion covers at least half or more of the projection surface of the elastic arm portion as viewed from above.

  In the pressure contact connector having this configuration, since the first flat plate portion projects from the top and covers at least half of the projection surface of the elastic arm portion, the spiral of the elastic arm portion is formed in order to reduce the mounting area of the pressure contact connector. Even if the outer diameter size of the first flat plate portion is reduced, it is possible to suppress the area of the first flat plate portion from becoming too small. As a result, it is possible to reduce the mounting area of the press contact connector while stabilizing the suction of the press contact connector during mounting.

  The pressure contact connector according to claim 3, wherein the first flat plate portion has a substantially rectangular outer shape, and a width dimension of a long side of the first flat plate portion is an outer diameter dimension of a spiral of the elastic arm portion. It is characterized by being larger than.

  In the press-connecting connector having this configuration, the first flat plate portion has a substantially rectangular outer shape. Therefore, the first flat plate portion can be easily processed as compared with the case where the outer shape of the first flat plate portion is substantially circular or substantially elliptical. Compared with the case where it does, space can be used effectively and a larger adsorption area can be obtained with respect to the same width dimension. Moreover, since the width dimension of the long side of the first flat plate portion is larger than the outer diameter size of the spiral of the elastic arm portion, the first flat plate portion can easily cover more than half of the projection surface of the elastic arm portion when viewed from above. So that the adsorption area can be more easily secured.

  The pressure contact connector according to claim 4, wherein the first flat plate portion is disposed so that a center position of the first flat plate portion is located at a position shifted from a center position of a spiral of the elastic arm portion. And

  In the press-connecting connector having this configuration, by arranging the first flat plate portion so that the center position of the first flat plate portion is shifted from the center position of the spiral of the elastic arm portion, the outer peripheral portion of the first flat plate portion and The distance with the edge part of the inner peripheral side of an elastic arm part can be brought close. Therefore, it is possible to connect the outer peripheral portion of the first flat plate portion and the inner peripheral end portion of the elastic arm portion by a simple bending process, and the outer peripheral portion of the first flat plate portion and the inner peripheral end portion of the elastic arm portion. In the structure in which and are configured continuously, the press contact connector can be easily processed.

  The press-connecting connector according to claim 5, further comprising a terminal portion that can be placed on the substrate, wherein the terminal portion is configured continuously with the other end portion of the elastic arm portion and extends in the horizontal direction. It has a flat plate part, and the 2nd flat plate part is located in the lower part of the elastic arm part, and has spread in the horizontal direction so that it may be projected from the top and may overlap with the projection surface of the elastic arm part. And

  In the press-connecting connector having this configuration, the terminal portion is configured continuously with the other end portion of the elastic arm portion, and has a second flat plate portion that extends in the horizontal direction, and the second flat plate portion is provided below the elastic arm portion. Since it is located and spreads in the horizontal direction so as to be projected from above and overlapped with the projection surface of the elastic arm portion, the second flat plate portion can be placed on the substrate during mounting, and the pressure contact connector during mounting It becomes easy to stabilize the posture. In addition, since the second flat plate portion can be formed apart from the elastic arm portion, when the terminal portion is soldered to the wiring electrode of the substrate, the solder spreads toward the elastic arm portion and affects the elasticity of the elastic arm portion. It can also be prevented.

  ADVANTAGE OF THE INVENTION According to this invention, the press-contact connector which is easy to automate the mounting to a board | substrate can be provided.

1 is a perspective view of a pressure contact connector according to an embodiment of the present invention. It is the top view and front view of the press-contact connector which concern on embodiment of this invention. It is the right view and cross-sectional schematic diagram of the press-contact connector which concern on embodiment of this invention. It is explanatory drawing which shows the positional relationship of the elastic arm part and contact part which concern on embodiment of this invention. It is explanatory drawing which shows the manufacturing method of the press-contact connector which concerns on embodiment of this invention. It is explanatory drawing which shows the usage method of the press-contact connector which concerns on embodiment of this invention. It is explanatory drawing which shows the structure of the conventional press-contact connector.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a pressure contact connector 1 according to an embodiment of the present invention. 2A and 2B are a top view and a front view of the pressure contact connector 1 according to the embodiment of the present invention, in which 2 (a) is a top view and FIG. 2 (b) is a front view. 3A and 3B are a right side view and a schematic cross-sectional view of the press-connecting connector 1 according to the embodiment of the present invention. FIG. 3A is a right side view, and FIG. 3B is a cross-sectional line A1 in FIG. It is the cross-sectional schematic diagram corresponding to -A1.

  FIG. 4 is an explanatory diagram showing a positional relationship between the elastic arm portion 10 and the contact portion 20 according to the embodiment of the present invention. 4A is a top view of the pressure contact connector 1, and FIG. 4B is a schematic cross-sectional view of the pressure contact connector 1 corresponding to the same cross-sectional position as FIG. 3B. In FIG. 4A, a region Ro represented by two types of oblique lines intersecting each other indicates a region where the first flat plate portion 21 and the projection surface of the elastic arm portion 10 overlap when viewed from above.

  FIG. 5 is an explanatory view showing a manufacturing method of the press contact connector 1 according to the embodiment of the present invention, and shows a processing state corresponding to the right side view of the press contact connector 1. 5A shows a state after the metal plate M1 is punched into a predetermined shape, FIG. 5B shows a state after the contact portion 20 is formed, and FIG. 5C shows an elastic state. FIG. 5D shows a state after the arm portion 10 is formed, and FIG. 5D shows a state after the elastic arm portion 10 and the contact portion 20 are moved to predetermined positions.

  FIG. 6 is an explanatory view showing a method of using the pressure contact connector 1 according to the embodiment of the present invention, and is a schematic cross-sectional view corresponding to the same cross-sectional position as FIG. FIG. 6A shows a state after the pressure contact connector 1 is mounted on the first substrate 40, and FIG. 6B shows a state after the second substrate 50 is arranged on the pressure contact connector 1. Indicates the state.

  For convenience, X1 is left, X2 is right, Y1 is front, Y2 is rear, Z1 is up, and Z2 is down, but the direction when using the pressure connector 1 is limited. It is not a thing. Further, in order to make the features of the invention easy to understand, the structure of the members in each drawing is appropriately simplified, and the dimensions of the members in each drawing are appropriately changed.

  First, the configuration of the pressure contact connector 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4. The press-connecting connector 1 is an electronic device composed of a plate-like member that is integrally formed by pressing or bending a metal plate M1 made of a material such as stainless steel or phosphor bronze having predetermined conductivity and elasticity. As shown in FIGS. 1 to 4, the component includes an elastic arm portion 10, a contact portion 20, and a terminal portion 30.

  As shown in FIGS. 1 to 4, the elastic arm portion 10 is a spiral portion configured such that the plate surface 11 is parallel to the imaginary line L1 with the imaginary line L1 extending in the vertical direction as an axis. The inner peripheral side (hereinafter abbreviated as inner peripheral side) has a spring structure called a bamboo shoot spring protruding upward from the outer peripheral side of the spiral (hereinafter abbreviated as outer peripheral side). And the elastic arm part 10 has an edge part in the inner peripheral side and outer peripheral side of a spiral, respectively. In the following description, the end portion on the inner peripheral side of the elastic arm portion 10 is referred to as a first end portion 12 and the end portion on the outer peripheral side is referred to as a second end portion 13.

  In this embodiment, since the inner peripheral side of the elastic arm portion 10 protrudes upward from the outer peripheral side, the upper end portion of the first end portion 12 that is the inner peripheral end portion of the elastic arm portion 10 is the elastic arm portion. The lower end portion of the second end portion 13, which is the outer peripheral end portion of the elastic arm portion 10, becomes the lower end portion of the elastic arm portion 10. When the upper end portion of the elastic arm portion 10 is pressed downward via the contact portion 20, the elastic arm portion 10 is elastically deformed so as to shrink downward, and an elastic force (repulsive force) is generated upward along with the elastic deformation. It is supposed to let you.

  Further, in the present embodiment, since the elastic arm portion 10 is configured so that the plate surface 11 is parallel to the virtual line L1 with the virtual line L1 as an axis, the thickness direction of the elastic arm portion 10 is the elastic arm portion 10. Along the radial direction of the helix. Therefore, the elastic arm portion 10 has a spring structure in which the outer diameter dimension D1 of the elastic arm portion 10 which is a dimension along the radial direction of the spiral is easily reduced.

  In this embodiment, since the vertical width W1 of the elastic arm 10 can be made larger than the thickness T1 of the elastic arm 10, the elastic arm 10 can be The spring structure is easy to generate a large elastic force.

  As shown in FIGS. 1 to 4, the contact portion 20 includes a first flat plate portion 21 that is continuously formed with the first end portion 12 of the elastic arm portion 10 and extends in the horizontal direction, and an upper end of the first flat plate portion 21. And a sloped portion 23 provided on the outer peripheral portion of the first flat plate portion 21.

  The first flat plate portion 21 is located on the upper side of the elastic arm portion 10 and is a substantially rectangular flat plate-like portion extending in the horizontal direction so as to overlap the projection surface of the elastic arm portion 10 when projected from above. The width dimension W2 in the left-right direction of the flat plate portion 21 is the width dimension on the long side, and the width dimension W3 in the front-rear direction of the first flat plate portion 21 is the width dimension on the short side.

  In addition, the first flat plate portion 21 is disposed so that the center position of the first flat plate portion 21 is located slightly rearward of the spiral central position of the elastic arm portion 10, and is projected from above. The front edge of the first flat plate portion 21 that is a part of the outer peripheral portion of the first flat plate portion 21 is positioned near the first end portion 12 that is the inner peripheral end portion of the elastic arm portion 10. It has become. The front edge of the first flat plate portion 21 is connected to the first end portion 12 of the elastic arm portion 10.

  The first flat plate portion 21 has a width W2 in the left-right direction of the first flat plate portion 21 larger than the outer diameter D1 of the elastic arm portion 10, and a width W3 in the front-rear direction of the first flat plate portion 21. Is set to be larger than half (D1 / 2) of the outer diameter D1 of the elastic arm portion 10, and the first flat plate portion 21 is more than half of the projection surface of the elastic arm portion 10 when viewed from above. (A region on the center and rear side of the elastic arm portion 10) is covered.

  The contact portion 20 is elastically supported by the elastic arm portion 10 in this way, and can be pressed downward together with the first end portion 12 of the elastic arm portion 10. When the contact portion 20 is pressed downward, the contact portion 20 is biased upward by the elastic force of the elastic arm portion 10.

  The convex portion 22 is a portion for improving the contact property of the contact portion 22 and protrudes upward from the upper end portion of the first flat plate portion 21. The inclined portion 23 is a portion for preventing a person or facility from being caught when the pressure contact connector 1 is handled, and for preventing undesired deformation or undesired behavior of the contact portion 20, and an outer peripheral portion of the first flat plate portion 21. It extends outward while tilting downward.

  As shown in FIGS. 1 to 4, the terminal portion 30 includes a second flat plate portion 31 that is continuously formed with the second end portion 13 of the elastic arm portion 10 and extends in the horizontal direction. The second flat plate portion 31 is located on the lower side of the elastic arm portion 10 and is a substantially square flat plate portion that extends in the horizontal direction so as to overlap the projection surface of the elastic arm portion 10 when viewed from above. The rear edge of the second flat plate portion 31 is connected to the second end portion 13 which is the outer peripheral end portion of the elastic arm portion 10. The pressure contact connector 1 has such a configuration.

  Next, a manufacturing method of the pressure contact connector 1 will be described with reference to FIG. When manufacturing the press-connecting connector 1, first, as shown in FIG. 5A, the metal plate M <b> 1 is pressed and punched into a predetermined shape. Next, as shown in FIG. 5 (b), the contact portion 20 is formed by applying press working or bending to the portion R2 corresponding to the contact portion 20 of the punched metal plate M1. Next, as shown in FIG. 5C, the elastic arm portion 10 is formed by bending so that the portion R1 corresponding to the elastic arm portion 10 of the metal plate M1 has the spiral shape described above. Next, as shown in FIG. 5D, the elastic arm portion 10 is bent by bending the boundary portion between the portion R1 corresponding to the elastic arm portion 10 and the portion R3 corresponding to the terminal portion 30 of the metal plate M1. The contact part 20 is moved to a predetermined position. The pressure contact connector 1 is manufactured in this way.

  Next, a method of using the pressure contact connector 1 will be described with reference to FIG. In FIG. 6, the pressure connector 1 is mounted on the first substrate 40, and the second substrate 50, which is another member different from the first substrate 40, is used on the pressure connector 1. Shows how to use.

  In this method of use, first, the press contact connector 1 is mounted on the first substrate 40 as shown in FIG. When the pressure connector 1 is mounted on the first substrate 40, the first substrate 40 is sucked by sucking the first flat plate portion 21 of the contact portion 20 with a suction nozzle (not shown). Then, the suction is released and the second flat plate portion 31 of the terminal portion 30 is placed on the mounting surface 41 of the first substrate 40, and the terminals of the pressure contact connector 1 are soldered or the like. The part 30 and the wiring electrode 42 of the first substrate 40 are electrically connected. In this state, the second substrate 50 is not disposed on the pressure contact connector 1, and the contact portion 20 can be pressed downward.

  Next, as shown in FIG. 6B, the second substrate 50 is disposed on the pressure connector 1 and the contact portion 20 is pressed downward. And the contact part 20 is urged | biased upwards by the elastic force of the elastic arm part 10 accompanying the downward press of the contact part 20, and the convex part 22 of the contact part 20 and the contact electrode 51 of the 2nd board | substrate 50 are made. Press contact. Then, the wiring electrode 42 of the first substrate 40 and the contact electrode 51 of the second substrate 50 are connected via the pressure contact connector 1 by the pressure contact between the convex portion 22 of the contact portion 20 and the contact electrode 51 of the second substrate 50. Are electrically connected.

  Next, the effect of this embodiment will be described. In the press-connecting connector 1 of the present embodiment, if the first flat plate portion 21 is not provided, the end surface of the metal plate M1 constituting the elastic arm portion 10 becomes the upper end portion of the press-connecting connector 1, and the press-connecting connector 1 is sucked. Since the end face of the metal plate M1 is sucked, it becomes difficult to secure the suction area, and air leakage or the like occurs and the suction tends to become unstable.

  On the other hand, in the press-connecting connector 1 according to the present embodiment, the contact portion 20 includes a first flat plate portion 21 that is configured continuously with the first end portion 12 of the elastic arm portion 10 and extends in the horizontal direction. The flat plate portion 21 is positioned above the elastic arm portion 10 and spreads in the horizontal direction so as to overlap the projection surface of the elastic arm portion 10 when viewed from above, so that the space above the elastic arm portion 10 is effective. The first flat plate portion 21 can be formed by using the first flat plate portion 21. By sucking the first flat plate portion 21 at the time of mounting, it becomes easy to secure the suction area, and the suction at the time of mounting can be stabilized. As a result, even with the miniaturized pressure contact connector 1, it is easy to suck the pressure contact connector 1 using the suction nozzle, and it is easy to automate mounting on the first substrate 40.

  Moreover, in the press-connecting connector 1 of this embodiment, since the 1st flat plate part 21 has projected and projected over the half or more of the projection surface of the elastic arm part 10, in order to reduce the mounting area of the press-connecting connector 1. FIG. Even if the outer diameter D1 of the spiral of the elastic arm portion 10 is reduced, the area of the first flat plate portion 21 can be suppressed from becoming too small. As a result, it is possible to reduce the mounting area of the press contact connector 1 while stabilizing the suction of the press contact connector 1 during mounting.

  Further, in the press-connecting connector 1 of the present embodiment, the first flat plate portion 21 has a substantially rectangular outer shape, so that the processing is performed as compared with the case where the outer shape of the first flat plate portion 21 is a substantially circular shape or a substantially oval shape. In addition, the inclined portion 23 can be easily formed. Moreover, compared with the case where the external shape of the 1st flat plate part 21 is made into a triangle, space can be used effectively and a larger adsorption area can be obtained with respect to the same width dimension. Moreover, since the width dimension W2 (the width dimension on the long side) of the first flat plate portion 21 in the left-right direction is larger than the outer diameter size D1 (spiral outer diameter size) of the elastic arm portion 10, for example, the first flat plate portion. Even if the width dimension W3 (width dimension on the short side) of the front and rear direction 21 is about half (D1 / 2) of the outer diameter dimension D1 of the elastic arm 10, the first flat plate portion 21 is projected from above. Can cover more than half of the projection surface of the elastic arm 10, and it becomes easier to secure the adsorption area.

  Further, in the press-connecting connector 1 of the present embodiment, the first flat plate portion 21 is arranged so that the center position of the first flat plate portion 21 is located rearward from the spiral central position of the elastic arm portion 10. However, if the first flat plate portion 21 is arranged so that the center position of the first flat plate portion 21 substantially coincides with the center position of the spiral of the elastic arm portion 10, the outer peripheral portion of the first flat plate portion 21. The distance between the front edge of the first flat plate portion 21 which is a part of the first flat plate portion 21 and the first end portion 12 which is the inner peripheral end portion of the elastic arm portion 10 is likely to be long. Therefore, when the end edge on the front side of the first flat plate portion 21 and the first end portion 12 of the elastic arm portion 10 are to be connected like the press-connecting connector 1 of the present embodiment, the first flat plate portion 21 and the first end are connected. The connection structure is such that the portion 12 is T-shaped when viewed from the side, and the connection portion between the front edge of the first flat plate portion 21 and the first end portion 12 of the elastic arm portion 10 is bent in a complicated manner. It is necessary to devise such as providing a cut portion from the front edge of the first flat plate portion 21 toward the center portion.

  On the other hand, in the press-connecting connector 1 according to the present embodiment, the first flat plate portion 21 is disposed so that the center position of the first flat plate portion 21 is located backward from the spiral central position of the elastic arm portion 10. Therefore, the distance between the front edge of the first flat plate portion 21 and the first end portion 12 of the elastic arm portion 10 can be reduced. Therefore, the front side of the first flat plate portion 21 is formed by a simple bending process such as bending the connection portion between the front edge of the first flat plate portion 21 and the first end portion 12 of the elastic arm portion 10 into an L shape. A structure in which the end edge and the first end portion 12 of the elastic arm portion can be connected, and the front end edge of the first flat plate portion 21 and the first end portion 12 of the elastic arm portion are configured continuously. Thus, the press contact connector 1 can be easily processed.

  In the pressure contact connector 1 of the present embodiment, if the size of the first flat plate portion 21 is reduced, the center position of the first flat plate portion 21 is assumed to substantially coincide with the center position of the spiral of the elastic arm portion 10. Even if the 1st flat plate part 21 is arrange | positioned, the distance of the edge of the front side of the 1st flat plate part 21 and the 1st end part 12 of the elastic arm part 10 can be brought close, and it is 1st by simple bending process. The front edge of the flat plate portion 21 and the first end portion 12 of the elastic arm portion can be connected, but in the pressure contact connector 1 of the present embodiment, without reducing the size of the first flat plate portion 21, Since the front edge of the first flat plate portion 21 and the first end portion 12 of the elastic arm portion can be connected by a simple bending process, it is easier to secure the suction area than in such a case. Become.

  In the present embodiment, the effect has been described in the case where the center position of the first flat plate portion 21 is located rearward from the center position of the spiral of the elastic arm portion 10. However, in the present embodiment, When the center position of one flat plate portion 21 is located at a position deviated forward from the center position of the spiral of the elastic arm portion 10, the front edge (outer peripheral portion) of the first flat plate portion 21 and the elastic arm portion A similar effect can be obtained by connecting the first end 12. When the center position of the first flat plate portion 21 is shifted to the left from the center position of the spiral of the elastic arm portion 10, or when the center position of the first flat plate portion 21 is right from the center position of the spiral of the elastic arm portion 10. The same applies to the case where it is located at a position shifted to the position.

  Further, the press-connecting connector 1 of the present embodiment includes a second flat plate portion 31 in which the terminal portion 30 is configured continuously with the second end portion 13 of the elastic arm portion 10 and extends in the horizontal direction. Is located on the lower side of the elastic arm portion 10 and spreads in the horizontal direction so as to overlap the projection surface of the elastic arm portion 10 when viewed from above, so that the second flat plate portion 31 is mounted on the first substrate during mounting. 40, and it becomes easy to stabilize the posture of the pressure contact connector 1 at the time of mounting. In addition, since the second flat plate portion 31 can be formed away from the elastic arm portion 10, the solder spreads toward the elastic arm portion 10 when the terminal portion 30 is soldered to the wiring electrode 42 of the first substrate 40. Thus, it is possible to prevent the elasticity of the elastic arm portion 10 from being affected.

  As mentioned above, although embodiment of this invention has been described, this invention is not limited to said embodiment, As long as it does not deviate from the summary of this invention, it can change suitably.

  For example, in the embodiment of the present invention, as long as a predetermined function can be realized, the configuration of the press-connecting connector 1, the material, shape, size, and orientation of each part may be changed as appropriate. For example, the press contact connector 1 may be manufactured using a member made of a material other than stainless steel or phosphor bronze.

  Further, in the embodiment of the present invention, the elastic arm portion 10 does not have to be a spiral structure that is circular as viewed from above and extends upward at a constant rate. For example, the elastic arm portion 10 may have a rectangular shape as viewed from above, or may extend upward in a staircase shape. In short, it is sufficient that the elastic arm portion 10 has a spring structure that extends upward while rotating around the virtual line L1.

  Further, in the embodiment of the present invention, the second elastic arm part that elastically supports the contact part 20 in an auxiliary manner may be provided in the pressure contact connector 1 separately from the elastic arm part 10 and connected to the second flat plate part 31. . In addition, if the second substrate 50 is closer to the first substrate 40 than desired, the elastic arm portion 10 may be plastically deformed. To prevent this, the second substrate 50 is more than desired. Protrusions for preventing this may be provided on the second flat plate portion 31. That is, a configuration having an additional function may be added without changing the gist of the present invention.

  In the embodiment of the present invention, the contact portion 20 may not have the convex portion 22 as long as the contact portion 20 and the contact electrode 51 of the second substrate 50 are in stable contact with each other. In addition, the contact portion 20 may not have the inclined portion 23 as long as the contact between the contact portion 20 and the person or equipment during handling of the pressure contact connector 1 does not become a problem. Further, the first flat plate portion 21 of the contact portion 20 may have a substantially square, substantially circular, or substantially elliptical outer shape instead of a substantially rectangular outer shape. Further, a part of the first flat plate portion 21 may be curved, or the first flat plate portion 21 may be provided with a cutout portion, an opening portion, or the like.

  In the embodiment of the present invention, the second flat plate portion 31 of the terminal portion 30 may have a substantially rectangular, substantially circular, or substantially elliptical outer shape instead of a substantially square outer shape. Further, a part of the second flat plate portion 31 may be curved, or the second flat plate portion 31 may be provided with a cutout portion, an opening portion, or the like.

  Further, in the embodiment of the present invention, the pressure connector 1 does not include the second flat plate portion 31, and the elastic arm portion 10 is directly placed on the first substrate 40, and the outer peripheral portion of the elastic arm portion 10. May be electrically connected to the wiring electrode 42 of the first substrate 40, or the like, so that a terminal function is provided at the lower portion of the elastic arm portion 10.

  Further, in the embodiment of the present invention, the pressure contact connector 1 may be used after being inclined. Further, when the pressure connector 1 is mounted on the first substrate 40, the terminal portion 30 is not soldered to the wiring electrode 42 of the first substrate 40, but the terminal portion 30 and the wiring electrode of the first substrate 40. 42 may be electrically connected using a conductive adhesive or the like, or the terminal portion 30 and the wiring electrode 42 of the first substrate 40 may be pressed and electrically connected. Further, instead of the substrate, an electronic component such as an IC may be arranged on the pressure contact connector 1 so that the contact portion 20 and the terminal electrode of the electronic component are pressed.

DESCRIPTION OF SYMBOLS 1 Pressure contact connector 10 Elastic arm part 11 Plate surface 12 1st end part 13 2nd end part 20 Contact part 21 1st flat plate part 22 Convex part 23 Inclination part 30 Terminal part 31 2nd flat plate part 40 1st board | substrate 41 Mounting surface 42 Wiring electrode 50 Second substrate 51 Contact electrode M1 Metal plate

Claims (5)

A pressure contact connector that can be mounted on a board,
A helical elastic arm portion composed of a plate-like member having conductivity and elasticity, and configured so that the plate surface is parallel to the virtual line with a virtual line extending in the vertical direction as an axis,
A contact portion elastically supported by the elastic arm portion,
The contact portion includes a first flat plate portion that is configured continuously with one end portion of the elastic arm portion and extends in a horizontal direction,
The pressure contact connector, wherein the first flat plate portion is positioned above the elastic arm portion and extends in a horizontal direction so as to overlap with a projection surface of the elastic arm portion when projected from above.   2. The press-connecting connector according to claim 1, wherein the first flat plate portion covers at least half or more of a projection surface of the elastic arm portion as viewed from above. The first flat plate portion has a substantially rectangular outer shape,
3. The press-connecting connector according to claim 2, wherein a width dimension of a long side of the first flat plate part is larger than an outer diameter dimension of a spiral of the elastic arm part.   4. The press-connecting connector according to claim 3, wherein the first flat plate portion is disposed such that a center position of the first flat plate portion is located at a position deviated from a center position of a spiral of the elastic arm portion. . A terminal portion that can be placed on the substrate;
The terminal portion has a second flat plate portion that is configured continuously with the other end portion of the elastic arm portion and extends in the horizontal direction,
2. The second flat plate portion is located below the elastic arm portion and spreads in a horizontal direction so as to overlap with a projection surface of the elastic arm portion as viewed from above. The press-connecting connector according to claim 4.