WO2022130704A1 - Coaxial connector - Google Patents

Coaxial connector Download PDF

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Publication number
WO2022130704A1
WO2022130704A1 PCT/JP2021/032777 JP2021032777W WO2022130704A1 WO 2022130704 A1 WO2022130704 A1 WO 2022130704A1 JP 2021032777 W JP2021032777 W JP 2021032777W WO 2022130704 A1 WO2022130704 A1 WO 2022130704A1
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WO
WIPO (PCT)
Prior art keywords
coaxial connector
leaf spring
fixed terminal
folded
contact
Prior art date
Application number
PCT/JP2021/032777
Other languages
French (fr)
Japanese (ja)
Inventor
陸宏 常門
Original Assignee
株式会社村田製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社村田製作所 filed Critical 株式会社村田製作所
Publication of WO2022130704A1 publication Critical patent/WO2022130704A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/46—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]

Definitions

  • the present disclosure relates to a coaxial connector, and more particularly to a coaxial connector that switches a signal path using a probe.
  • a coaxial connector is used for a communication device of a mobile terminal such as a smartphone, a tablet terminal, or a wearable terminal.
  • the coaxial connector is mounted on the circuit board.
  • the coaxial connector includes, for example, a fixed terminal and a movable terminal.
  • the coaxial connector can switch the signal path by contacting and separating the fixed terminal and the movable terminal.
  • the coaxial connector is arranged in a communication device, for example, in a line connecting an antenna and a transmission / reception circuit.
  • the movable terminal In the normal use state of the communication device, the movable terminal is in contact with the fixed terminal, and the transmission / reception circuit is connected to the antenna via the fixed terminal and the movable terminal.
  • the movable terminal is pressed by the probe connected to the measuring instrument to separate it from the fixed terminal.
  • the antenna and the transmission / reception circuit are separated, and the antenna or the transmission / reception circuit is connected to the measuring instrument via the movable terminal and the probe. Therefore, the electrical characteristics of the antenna or the transmission / reception circuit can be measured.
  • Patent Document 1 discloses an example of a coaxial connector with a switch.
  • the fixed terminal and the movable terminal each have a contact piece.
  • the contact piece of the movable terminal is in contact with the contact piece of the fixed terminal from below.
  • Arc-shaped bullet pieces are coupled to both sides of the contact piece of the movable terminal.
  • a coaxial connector is provided for each antenna.
  • the movable terminals of a plurality of coaxial connectors are simultaneously separated from the fixed terminals, and then the electrical characteristics of each coaxial connector are measured. That is, the movable terminals of each coaxial connector are pressed by the probe and remain deformed until the measurement of the electrical characteristics of all of the plurality of coaxial connectors is completed.
  • the inspection time for electrical characteristics in other words, the time for the movable terminal of each coaxial connector to be pressed by the probe tends to be long. Therefore, even if the pressing by the probe is released, there may be a problem that the movable terminal does not return to the original position and shape.
  • the coaxial connector uses a probe to switch the signal path.
  • the coaxial connector includes a fixed terminal, a movable terminal, and a main body.
  • the fixed terminal includes a first lead portion.
  • the movable terminal includes a second lead portion and a leaf spring portion.
  • the leaf spring portion extends from the second lead portion toward the fixed terminal.
  • the leaf spring portion comes into contact with the fixed terminal.
  • the leaf spring portion is configured to be deformable so that the contact with the fixed terminal is released by pressing the surface with the probe.
  • the main body accommodates a fixed terminal and a movable terminal so that the first lead portion and the second lead portion extend to the outside.
  • the probe is inserted into the main body from above.
  • the tip portion of the leaf spring portion which is the end portion on the fixed terminal side, includes the folded portion.
  • the folded portion is formed so as to be folded toward the second lead portion while approaching the bottom of the main body.
  • the contact reliability between the fixed terminal and the movable terminal can be improved.
  • FIG. 1 is a perspective view of a coaxial connector according to the first embodiment.
  • FIG. 2 is an exploded perspective view of the coaxial connector shown in FIG.
  • FIG. 3 is a vertical cross-sectional view of the coaxial connector shown in FIG. 1, and shows a state of the coaxial connector in a normal state.
  • FIG. 4 is a vertical cross-sectional view of the coaxial connector shown in FIG. 1, and shows the state of the coaxial connector at the time of inspection.
  • FIG. 5 is an exploded perspective view of the coaxial connector according to the second embodiment.
  • FIG. 6 is a vertical sectional view of the coaxial connector according to the second embodiment.
  • FIG. 7 is a vertical sectional view of a coaxial connector according to a modified example of the above embodiment.
  • FIG. 8 is a vertical sectional view of a coaxial connector according to another modification of the above embodiment.
  • FIG. 9 is a vertical sectional view of a coaxial connector according to still another modification of the above embodiment.
  • FIG. 10 is a vertical sectional view of a coaxial connector according to still another modification of the above embodiment.
  • the coaxial connector uses a probe to switch the signal path.
  • the coaxial connector includes a fixed terminal, a movable terminal, and a main body.
  • the fixed terminal includes a first lead portion.
  • the movable terminal includes a second lead portion and a leaf spring portion.
  • the leaf spring portion extends from the second lead portion toward the fixed terminal.
  • the leaf spring portion comes into contact with the fixed terminal.
  • the leaf spring portion is configured to be deformable so that the contact with the fixed terminal is released by pressing the surface with the probe.
  • the main body accommodates a fixed terminal and a movable terminal so that the first lead portion and the second lead portion extend to the outside.
  • the probe is inserted into the main body from above.
  • the tip portion of the leaf spring portion which is the end portion on the fixed terminal side, includes the folded portion.
  • the folded portion is formed so as to be folded toward the second lead portion while approaching the bottom of the main body (first configuration).
  • a folded portion is provided at the tip portion of the leaf spring portion. Since this folded portion has a shape that is folded so as to approach the bottom of the main body, in other words, a shape that is folded while facing the pressing direction by the probe, it is possible to effectively impart elasticity to the leaf spring portion. can. Specifically, when the surface of the leaf spring portion is pressed by the probe and the contact between the leaf spring portion and the fixed terminal is released, the folded portion contacts the main body of the coaxial connector, and the plate is in the direction opposite to the pressing direction by the probe. Encourage the spring part. Therefore, when the pressure by the probe is released, the leaf spring portion can exert strong elasticity and return to the original position and shape.
  • the folded portion has a relatively large strength depending on its shape, it is difficult to be plastically deformed. Therefore, even if the pressing time by the probe is extended, the leaf spring portion can be returned to the state of being in contact with the fixed terminal. Therefore, the contact reliability between the fixed terminal and the movable terminal can be improved.
  • the folded part can include an open end. It is preferable that the open end is arranged on the side of the first lead portion of the fixed terminal rather than the portion of the leaf spring portion that is pressed by the probe when the coaxial connector is viewed in the vertical cross section (second configuration).
  • the open end of the folded portion is arranged on the first lead portion side of the fixed terminal with respect to the portion of the leaf spring portion pressed by the probe.
  • the leaf spring portion may include a curved portion.
  • the curved portion has, for example, an upwardly convex curved shape between the contact portion between the leaf spring portion and the fixed terminal and the second lead portion of the movable terminal.
  • the folded portion can include an open end. It is preferable that the open end is arranged on the first lead portion side of the fixed terminal rather than the apex of the curved portion when the coaxial connector is viewed in the vertical cross section (third configuration).
  • the open end of the folded portion is arranged on the first lead portion side of the fixed terminal with respect to the apex of the curved portion provided on the leaf spring portion.
  • the contact portion between the fixed terminal and the leaf spring portion is typically arranged on the first lead portion side of the fixed terminal rather than the portion of the leaf spring portion pressed by the probe when the coaxial connector is viewed in the vertical cross section. Will be done.
  • the open end of the folded portion is preferably arranged on the first lead portion side of the contact portion when the coaxial connector is viewed in the vertical cross section (fourth configuration).
  • the open end of the folded portion is arranged further away from the portion of the leaf spring portion that is pressed by the probe. More specifically, the open end of the folded portion is arranged on the first lead portion side of the fixed terminal with respect to the contact portion between the fixed terminal and the leaf spring portion. Therefore, it is possible to more reliably suppress the deterioration of the inspection accuracy of the electrical characteristics due to the unintended signal path being generated when the open end of the folded portion comes into contact with the back surface of the leaf spring portion. In addition, the occurrence of buckling at the folded portion can be suppressed more reliably.
  • the folded portion preferably has a round shape in the vertical cross-sectional view of the leaf spring portion (fifth configuration).
  • the folded portion has a round shape in the vertical cross-sectional view of the leaf spring portion. Therefore, when the leaf spring portion is pressed by the probe and deformed, stress concentration is unlikely to occur at the folded portion. Therefore, the plastic deformation of the folded portion can be suppressed.
  • the folded portion contacts the main body of the coaxial connector with the leaf spring portion in contact with the fixed terminal (sixth configuration).
  • the folded portion is in contact with the main body of the coaxial connector while the leaf spring portion is in contact with the fixed terminal. That is, the leaf spring portion comes into contact with the fixed terminal while being supported by the main body by the folded portion. As a result, the leaf spring portion can be stably brought into contact with the fixed terminal. Therefore, the contact reliability between the fixed terminal and the movable terminal can be further improved.
  • the folded part may include the farthest part.
  • the farthest portion is the portion of the folded-back portion located at the farthest position in the pressing direction of the leaf spring portion by the probe from the contact portion between the fixed terminal and the leaf spring portion.
  • the farthest portion preferably comes into surface contact with the main body of the coaxial connector (seventh configuration).
  • the durability of the folded portion can be enhanced by bringing the farthest portion, which is a part of the folded portion, into surface contact with the main body of the coaxial connector. Therefore, when the leaf spring portion is pressed by the probe, it is possible to prevent buckling from occurring in the folded portion.
  • the leaf spring portion can include a trunk portion and a plurality of branch portions.
  • the branches extend from the trunk towards the fixed terminals.
  • Each of the branches can contact the fixed terminal.
  • Each of the branch portions preferably includes a folded portion (eighth configuration).
  • the leaf spring portion includes a plurality of branches, and each of these branches contacts the fixed terminal. That is, in the coaxial connector, a plurality of contact portions between the fixed terminal and the movable terminal are provided. Therefore, the contact reliability between the fixed terminal and the movable terminal can be further improved.
  • FIG. 1 is a perspective view of the coaxial connector 100 according to the first embodiment.
  • the coaxial connector 100 is typically mounted and used on a circuit board of a communication device.
  • the coaxial connector 100 is arranged in a communication device, for example, in a line connecting an antenna and a transmission / reception circuit.
  • the coaxial connector 100 can switch the signal path using a probe.
  • the communication device is, for example, a mobile terminal such as a smartphone, a tablet terminal, or a wearable terminal.
  • FIG. 2 is an exploded perspective view of the coaxial connector 100 shown in FIG. As shown in FIG. 2, the coaxial connector 100 includes a main body 10, a fixed terminal 20, and a movable terminal 30.
  • the main body 10 includes an external terminal 11 and cases 12 and 13.
  • the external terminals 11, the case 12, and the case 13 are stacked in this order.
  • the direction in which the external terminals 11, the case 12, and the case 13 are overlapped is referred to as a vertical direction or a z-axis direction
  • the external terminal 11 side is positive in the up or z-axis direction
  • the case 13 side is down. Or defined as negative in the z-axis direction.
  • the case 12 is referred to as an upper case 12 and the case 13 is referred to as a lower case 13.
  • the external terminal 11 is made of metal and has conductivity.
  • the external terminal 11 is made of, for example, stainless steel such as SUS301.
  • the external terminal 11 is formed, for example, by punching, bending, drawing, or the like on a metal plate.
  • the surface of the external terminal 11 may have plating such as Ni (nickel) plating or Au (gold) plating.
  • the external terminal 11 is connected to the ground (GND) on the circuit board.
  • the external terminal 11 includes a plate portion 111, leg portions 112a and 112b, and a tubular portion 113.
  • the plate portion 111 has a substantially rectangular shape in a plan view.
  • the legs 112a and 112b are arranged so as to sandwich the plate 111.
  • One leg portion 112a is continuously provided on one side of the plate portion 111.
  • the other leg portion 112b is continuously provided on one side of the plate portion 111 on the opposite side of the leg portion 112a.
  • the direction in which the legs 112a and 112b are lined up is referred to as the y-axis direction
  • the direction orthogonal to the y-axis direction and the z-axis direction is referred to as the x-axis direction.
  • the back side is positive and the front side is negative on the paper surface of FIG.
  • the leg portion 112a is arranged on the positive side in the y-axis direction with respect to the leg portion 112b.
  • Each of the leg portions 112a and 112b protrudes downward from the plate portion 111.
  • the lower ends of the legs 112a and 112b are bent inward so as to be located below the lower case 13 when the external terminal 11, the upper case 12, and the lower case 13 are assembled.
  • the tubular portion 113 has a central axis extending in the vertical direction.
  • the tubular portion 113 is, for example, cylindrical.
  • the tubular portion 113 is arranged at the center of the upper surface of the plate portion 111.
  • An opening (not shown) that penetrates the plate portion 111 in the vertical direction is formed in the portion of the plate portion 111 that corresponds to the cylinder portion 113.
  • the tubular portion 113 extends upward from the peripheral edge of this opening.
  • the upper case 12 is arranged below the external terminal 11.
  • the upper case 12 has electrical insulation.
  • the upper case 12 is made of, for example, a resin.
  • the upper case 12 includes a plate portion 121, support portions 122a and 122b, and a tubular portion 123.
  • the plate portion 121 has a substantially rectangular shape in a plan view.
  • a recess (not shown) is formed on the lower surface of the plate portion 121 in order to arrange the fixed terminal 20 and the movable terminal 30 between the cases 12 and 13.
  • the support portions 122a and 122b are portions that support the fixed terminal 20 and the movable terminal 30 together with the lower case 13.
  • One support portion 122a is continuously provided on one of the four sides of the plate portion 121 extending in the y-axis direction.
  • the other support portion 122b is continuously provided on the other side of the plate portion 121 extending in the y-axis direction on the opposite side of the support portion 122a.
  • Each of the support portions 122a and 122b has, for example, a substantially rectangular parallelepiped shape.
  • the support portion 122a is arranged on the positive side in the x-axis direction with respect to the support portion 122b.
  • the support portion 122a protrudes positively from the plate portion 121 in the x-axis direction.
  • the support portion 122b projects from the plate portion 121 to the negative side in the x-axis direction.
  • the tubular portion 123 has a central axis extending in the vertical direction.
  • the tubular portion 123 is arranged at the center of the upper surface of the plate portion 121.
  • An opening (not shown) that penetrates the plate portion 121 in the vertical direction is formed in the portion of the plate portion 121 that corresponds to the tubular portion 123.
  • the tubular portion 123 has a hole 124 that penetrates the tubular portion 123 in the vertical direction.
  • the hole 124 has, for example, a substantially circular shape in a cross-sectional view (cross-sectional view in the xy plane) of the tubular portion 123.
  • the hole 124 includes an upper part 124a and a lower part 124b.
  • the diameter of the upper portion 124a becomes smaller toward the lower side.
  • the diameter of the lower part 124b is substantially constant throughout.
  • the lower portion 124b communicates with the opening of the plate portion 121.
  • the tubular portion 123 of the upper case 12 is arranged coaxially with the tubular portion 113 of the external terminal 11 and is inserted into the tubular portion 113 from below.
  • the lower case 13 is arranged below the upper case 12.
  • the lower case 13 constitutes the bottom of the main body 10.
  • the lower case 13 has electrical insulation.
  • the lower case 13 is typically made of resin.
  • the lower case 13 includes a plate portion 131 and support portions 132a and 132b.
  • the plate portion 131 has a substantially rectangular shape in a plan view.
  • Notches 131a and 131b are formed on two of the four sides of the plate 131 extending in the y-axis direction, respectively.
  • the notch 131a is arranged on the positive side in the x-axis direction with respect to the notch 131b.
  • Each of the cutout portions 131a and 131b has a substantially rectangular shape in a plan view, for example.
  • the support portions 132a and 132b are portions that support the fixed terminal 20 and the movable terminal 30 together with the support portions 122a and 122b of the upper case 12.
  • the support portions 132a and 132b are provided on the plate portion 131. Each of the support portions 132a and 132b projects upward from the plate portion 131.
  • the support portion 132a is arranged adjacent to the notch portion 131a on the positive side in the x-axis direction.
  • the support portion 132a is arranged at a position corresponding to the support portion 122a of the upper case 12.
  • the support portion 132b is arranged adjacent to the notch portion 131b on the negative side in the x-axis direction.
  • the support portion 132b is arranged at a position corresponding to the support portion 122b of the upper case 12.
  • the fixed terminal 20 is made of metal and has conductivity.
  • the fixed terminal 20 is made of, for example, stainless steel such as SUS301.
  • the fixed terminal 20 is typically a plate-shaped member.
  • the fixed terminal 20 is formed, for example, by punching, bending, or the like on a metal plate.
  • the fixed terminal 20 includes a lead portion 21, a supported portion 22, and blade portions 23a and 23b.
  • the fixed terminal 20 is housed in the main body 10 so that the lead portion 21 extends to the outside of the main body 10.
  • the lead portion 21 is provided at the end of the fixed terminal 20 on the positive side in the x-axis direction.
  • the lead portion 21 has, for example, a substantially L-shape when viewed along the y-axis direction.
  • the lead portion 21 is positioned in the notch portion 131a of the lower case 13 when the coaxial connector 100 is assembled.
  • the lead portion 21 extends from the notched portion 131a to the outside of the main body 10.
  • the lead portion 21 is connected to, for example, an antenna circuit of a communication device.
  • the supported portion 22 is arranged on the negative side in the x-axis direction with respect to the lead portion 21.
  • the supported portion 22 is continuously provided on the lead portion 21.
  • the supported portion 22 is a portion of the fixed terminal 20 that is supported by the main body 10. More specifically, a part of the supported portion 22 is sandwiched from above and below by the support portion 122a of the upper case 12 and the support portion 132a of the lower case 13. As a result, the fixed terminal 20 is fixed to the main body 10.
  • the blade portions 23a and 23b are portions that are arranged in the main body 10 and come into contact with the movable terminal 30.
  • the blade portion 23a is continuously provided on one side edge of both side edges of the supported portion 22 extending in the x-axis direction.
  • the blade portion 23b is continuously provided on the other side edge of the both side edges of the supported portion 22 extending in the x-axis direction.
  • the blade portion 23a is arranged on the positive side in the y-axis direction with respect to the blade portion 23b.
  • the blade portions 23a and 23b are inclined in the vertical direction so as to be separated from each other in the y-axis direction toward the upper side.
  • the movable terminal 30 is made of metal and has conductivity.
  • the movable terminal 30 is made of, for example, stainless steel such as SUS301.
  • the movable terminal 30 is typically a plate-shaped member having elasticity (springiness).
  • the movable terminal 30 is formed by, for example, punching or bending a metal plate.
  • the movable terminal 30 includes a lead portion 31 and a leaf spring portion 32.
  • the movable terminal 30 is housed in the main body 10 so that the lead portion 31 extends to the outside of the main body 10.
  • the lead portion 31 is provided at the negative end of both ends of the movable terminal 30 in the x-axis direction.
  • the lead portion 31 has a substantially L-shape in the direction opposite to that of the lead portion 21 of the fixed terminal 20, for example, when viewed along the y-axis direction.
  • the lead portion 31 is positioned in the notch portion 131b of the lower case 13 when the coaxial connector 100 is assembled.
  • the lead portion 31 extends from the notched portion 131b to the outside of the main body 10.
  • the lead unit 31 is connected to, for example, a transmission / reception circuit of a communication device.
  • the leaf spring portion 32 comes into contact with the fixed terminal 20 in order to connect the circuit on the movable terminal 30 side to the circuit on the fixed terminal 20 side. However, the leaf spring portion 32 can be separated from the fixed terminal 20.
  • the leaf spring portion 32 is configured to be deformable so that the contact with the fixed terminal 20 is released by pressing the surface of the leaf spring portion 32 with the probe.
  • the probe is inserted into the main body 10 via the tubular portion 113 of the external terminal 11 and the tubular portion 123 of the upper case 12, and presses the leaf spring portion 32 downward.
  • the leaf spring portion 32 extends from the lead portion 31 toward the fixed terminal 20.
  • the leaf spring portion 32 extends substantially along the x-axis direction.
  • the end portion (base end portion) of the leaf spring portion 32 on the lead portion 31 side is supported by the main body 10. More specifically, the base end portion of the leaf spring portion 32 is sandwiched from above and below by the support portion 122b of the upper case 12 and the support portion 132b of the lower case 13. As a result, the movable terminal 30 is fixed to the main body 10.
  • the leaf spring portion 32 includes a trunk portion 321 and a plurality of branch portions 322a and 322b.
  • the trunk portion 321 is arranged on the lead portion 31 side with respect to the branch portions 322a and 322b.
  • the branch portions 322a and 322b each extend from the trunk portion 321 toward the fixed terminal 20.
  • the branch portions 322a and 322b are arranged in parallel.
  • the branch portion 322a is arranged on the positive side in the y-axis direction with respect to the branch portion 322b.
  • the supported portion 22 of the fixed terminal 20 is positioned between these branch portions 322a and 322b.
  • the branch portion 322a comes into contact with the blade portion 23a of the fixed terminal 20.
  • the branch portion 322b comes into contact with the blade portion 23b of the fixed terminal 20.
  • the branch portions 322a and 322b come into contact with the blade portions 23a and 23b from below, respectively.
  • the branch portions 322a and 322b each include a folded portion 323.
  • Each of the folded portions 323 is included in the end portion (tip portion) of the leaf spring portion 32 on the fixed terminal 20 side.
  • the branch portions 322a and 322b have a folded portion 323 having substantially the same configuration. Therefore, the configuration of the folded-back portion 323 will be mainly described for one branch portion 322a, and the detailed description of the configuration of the folded-back portion 323 for the other branch portion 322b will be omitted.
  • FIG. 3 is a vertical cross-sectional view (cross-sectional view in the xz plane) of the coaxial connector 100 shown in FIG.
  • the branch portion 322a extends from the trunk portion 321 toward the fixed terminal 20 side, comes into contact with the blade portion 23a, and then is folded back toward the lead portion 31 side.
  • the folded portion 323 is formed on the tip end side of the branch portion 322a.
  • the folded-back portion 323 is formed so as to be folded back toward the lead portion 31 side while approaching (downward) the bottom portion of the main body 10.
  • the folded-back portion 323 has a round shape in a vertical cross-sectional view (cross-sectional view in the xz plane) of the leaf spring portion 32.
  • the folded-back portion 323 is formed so as to have a curved shape that is convex to the positive side in the x-axis direction in the side view thereof.
  • the folded-back portion 323 is formed by rounding the tip portion of the leaf spring portion 32.
  • the folded-back portion 323 has substantially no corner portion.
  • the folded-back portion 323 includes the farthest portion 323a and the open end 323b.
  • the farthest portion 323a is a portion of the folded-back portion 323 located at the farthest position in the z-axis direction from the contact portion P1 between the blade portion 23a of the fixed terminal 20 and the branch portion 322a of the leaf spring portion 32.
  • the farthest portion 323a is the lowest point of the folded portion 323.
  • the folded-back portion 323 comes into contact with the main body 10 by the farthest portion 323a in a state where the fixed terminal 20 and the leaf spring portion 32 are in contact with each other.
  • the farthest portion 323a comes into contact with the upper surface of the plate portion 131 of the lower case 13.
  • the position of the farthest portion 323a substantially coincides with the position of the contact portion P1 between the fixed terminal 20 and the leaf spring portion 32, or is relative to the contact portion P1. It is preferably on the positive side, that is, on the lead portion 21 side of the fixed terminal 20. In other words, when the coaxial connector 100 is viewed in a vertical cross section, the farthest portion 323a is arranged substantially directly under the contact portion P1, or the farthest portion 323a is arranged on the lead portion 21 side of the contact portion P1. Is preferable.
  • the farthest portion 323a may be arranged on the negative side in the x-axis direction with respect to the contact portion P1, that is, on the lead portion 31 side of the movable terminal 30.
  • the contact portion P1 is arranged on the lead portion 21 side of the leaf spring portion 32 with respect to the portion (pressing portion) P2 pressed by the probe.
  • the open end 323b is the most advanced part of the folded portion 323.
  • the open end 323b is located above the farthest portion 323a. Further, the open end 323b is located on the negative side in the x-axis direction, that is, on the lead portion 31 side with respect to the farthest portion 323a.
  • the open end 323b is arranged on the lead portion 21 side (positive side) of the fixed terminal 20 rather than the pressing portion P2 in the longitudinal direction (x-axis direction) of the leaf spring portion 32. That is, when the coaxial connector 100 is viewed in a vertical cross section, the open end 323b is preferably arranged closer to the lead portion 21 than the pressing portion P2.
  • the apex of the curved portion provided in the leaf spring portion 32 is the pressing portion P2. More specifically, the leaf spring portion 32 includes a curved portion having an upwardly convex curved shape between the contact portion P1 with the fixed terminal 20 and the lead portion 31, and mainly of the curved portion. The apex is pressed by the probe.
  • the open end 323b is arranged on the lead portion 21 side (positive side) of the contact portion P1 between the fixed terminal 20 and the leaf spring portion 32 in the longitudinal direction (x-axis direction) of the leaf spring portion 32. .. That is, when the coaxial connector 100 is viewed in a vertical cross section, the open end 323b is more preferably arranged on the lead portion 21 side of the contact portion P1.
  • the open end 323b may be arranged substantially directly below the contact portion P1. That is, the position of the open end 323b can be substantially or substantially the same as the position of the contact portion P1 in the x-axis direction.
  • FIG. 3 shows the state of the coaxial connector 100 in the normal state.
  • the fixed terminal 20 and the movable terminal 30 are electrically connected. That is, the leaf spring portion 32 of the movable terminal 30 is in contact with the fixed terminal 20, and the circuit on the fixed terminal 20 side and the circuit on the movable terminal 30 side are connected.
  • the leaf spring portion 32 is in contact with the blade portion 23a of the fixed terminal 20 at the branch portion 322a.
  • the leaf spring portion 32 is in contact with the blade portion 23b of the fixed terminal 20 at the branch portion 322b.
  • the leaf spring portion 32 is slightly urged upward because each folded portion 323 is in contact with the lower case 13. By this urging force, the branch portions 322a and 322b are pressed against the blade portions 23a and 23b.
  • FIG. 4 shows the state of the coaxial connector 100 at the time of inspection.
  • the probe 40 When inspecting the electrical characteristics of the circuit with reference to FIG. 4, the probe 40 is inserted into the main body 10 of the coaxial connector 100 from above. The probe 40 faces downward and enters the main body 10 through the hole 124. The probe 40 downwardly presses the pressing portion P2 of the leaf spring portion 32 by its tip portion. As a result, the leaf spring portion 32 is deformed and the branch portions 322a and 322b are separated from the blade portions 23a and 23b of the fixed terminal 20. As a result, the electrical connection between the fixed terminal 20 and the movable terminal 30 is cut off. The movable terminal 30 is electrically connected to the probe 40.
  • the electrical characteristics of the circuit connected to the movable terminal 30 can be measured.
  • the outer conductor (not shown) of the probe 40 is fitted to the tubular portion 113 and electrically connected to the external terminal 11 to be maintained at the GND potential.
  • each folded portion 323 of the leaf spring portion 32 is pressed against the lower case 13. As a result, the leaf spring portion 32 is strongly urged upward.
  • the electrical connection between the movable terminal 30 and the probe 40 is cut off.
  • the leaf spring portion 32 returns to its original position and shape due to the strong elasticity (springiness) of each folded portion 323.
  • the leaf spring portion 32 comes into contact with the fixed terminal 20 again as shown in FIG. As a result, the fixed terminal 20 and the movable terminal 30 are electrically connected.
  • the leaf spring portion 32 of the movable terminal 30 includes a plurality of folded portions 323 at its tip.
  • Each folded-back portion 323 has a shape of being folded back toward the lead portion 31 while facing the pressing direction (downward) by the probe 40, that is, approaching the bottom of the main body 10.
  • Each folded-back portion 323 can strongly urge the leaf spring portion 32 upward by being pressed against the lower case 13 when the leaf spring portion 32 is pressed and pushed down by the probe 40.
  • each folded-back portion 323 exerts strong elasticity (springiness) on the leaf spring portion 32, and the leaf spring portion 32 returns to the original position and shape.
  • each folded portion 323 has a large strength against a downward load due to its shape. Therefore, plastic deformation is unlikely to occur in each folded portion 323. Therefore, even if the inspection time, that is, the pressing time by the probe 40 becomes long, the leaf spring portion 32 can be restored to the state of being in contact with the fixed terminal 20. As a result, the contact reliability between the fixed terminal 20 and the movable terminal 30 can be improved.
  • each folded-back portion 323 is provided at the tip portion of the leaf spring portion 32 extending toward the fixed terminal 20.
  • each folded-back portion 323 is arranged substantially directly below the contact portion P1 of the leaf spring portion 32 with respect to the fixed terminal 20. Therefore, when the pressing by the probe 40 is released, the contact portion P1 of the leaf spring portion 32 can be effectively pushed up toward the fixed terminal 20 by each folded portion 323. Therefore, the restoring force of the leaf spring portion 32 can be increased, and the contact reliability between the fixed terminal 20 and the movable terminal 30 can be further improved.
  • the open end 323b of each folded portion 323 is preferably arranged on the lead portion 21 side of the fixed terminal 20 with respect to the pressing portion P2 by the probe 40, that is, the apex of the curved portion in the leaf spring portion 32.
  • each folded-back portion 323 is arranged closer to the lead portion 21 of the fixed terminal 20 than the contact portion P1 between the fixed terminal 20 and the leaf spring portion 32.
  • the open end 323b of each folded-back portion 323 is arranged closer to the lead portion 21 of the fixed terminal 20 than the contact portion P1 between the fixed terminal 20 and the leaf spring portion 32.
  • each folded-back portion 323 has a round shape in a vertical cross-sectional view of the leaf spring portion 32. Therefore, when the leaf spring portion 32 is pressed by the probe 40 and deformed, stress concentration is unlikely to occur in each folded portion 323. Therefore, the plastic deformation of each folded portion 323 can be suppressed.
  • each folded-back portion 323 comes into contact with the main body 10 in a state where the leaf spring portion 32 is in contact with the fixed terminal 20. That is, each folded-back portion 323 is in contact with the lower case 13 and is supported by the lower case 13 even when the leaf spring portion 32 is not pressed by the probe 40. As a result, the leaf spring portion 32 can be stably brought into contact with the fixed terminal 20. Therefore, the contact reliability between the fixed terminal 20 and the movable terminal 30 can be further improved.
  • the leaf spring portion 32 includes a plurality of branch portions 322a and 322b.
  • the leaf spring portion 32 is configured to come into contact with the fixed terminal 20 at each of the branch portions 322a and 322b. By contacting the leaf spring portion 32 and the fixed terminal 20 at a plurality of locations in this way, the contact reliability between the fixed terminal 20 and the movable terminal 30 can be further improved.
  • the fixed terminal 20 is configured to be in contact with the branch portions 322a and 322b of the leaf spring portion 32 by the blade portions 23a and 23b.
  • the blade portions 23a and 23b are arranged between the branch portions 322a and 322b.
  • the blade portions 23a and 23b can be returned to the correct positions by guiding the branch portions 322a and 322b when the pressing by the probe 40 is released. Therefore, the contact reliability between the fixed terminal 20 and the movable terminal 30 can be further improved.
  • FIG. 5 is an exploded perspective view of the coaxial connector 100A according to the second embodiment.
  • the coaxial connector 100A is different from the coaxial connector 100 according to the first embodiment in the shapes of the fixed terminal 20A and the movable terminal 30A.
  • the fixed terminal 20A includes a lead portion 21 and a supported portion 22 as in the fixed terminal 20 in the first embodiment. However, unlike the fixed terminal 20 in the first embodiment, the fixed terminal 20A does not include the blade portions 23a and 23b (FIG. 2).
  • the movable terminal 30A includes a lead portion 31 as in the movable terminal 30 in the first embodiment.
  • the movable terminal 30A further includes a leaf spring portion 32A.
  • the leaf spring portion 32A has a shape different from that of the leaf spring portion 32 of the movable terminal 30 in the first embodiment.
  • the leaf spring portion 32A is not branched on the fixed terminal 20A side. That is, the leaf spring portion 32A does not include the branch portions 322a and 322b (FIG. 2).
  • the leaf spring portion 32A extends from the lead portion 31 toward the fixed terminal 20A and comes into contact with the supported portion 22 of the fixed terminal 20A.
  • the leaf spring portion 32A comes into contact with the lower surface of the supported portion 22.
  • the leaf spring portion 32A includes a folded-back portion 323 at an end portion (tip portion) on the fixed terminal 20A side.
  • FIG. 6 is a vertical cross-sectional view (cross-sectional view in the xz plane) of the coaxial connector 100A.
  • the leaf spring portion 32A extends from the lead portion 31 side to the fixed terminal 20A side, contacts the supported portion 22, and then is folded back to the lead portion 31 side.
  • the folded-back portion 323 is formed on the tip end side of the leaf spring portion 32A.
  • the shape of the folded-back portion 323 is substantially the same as the shape of each folded-back portion 323 described in the first embodiment. Therefore, the coaxial connector 100A according to the present embodiment can also have the same effects as the coaxial connector 100 according to the first embodiment, such as improvement of contact reliability and suppression of plastic deformation.
  • the positional relationship between the contact portion P1 of the leaf spring portion 32A and the farthest portion 323a of the folded portion 323 can be set in the same manner as in the first embodiment.
  • the positional relationship between the contact portion P1 and the pressing portion P2 of the leaf spring portion 32A and the open end 323b of the folded portion 323 can also be set in the same manner as in the first embodiment. Therefore, the coaxial connector 100A according to the present embodiment can also exert effects such as suppression of deterioration of inspection accuracy and suppression of buckling, as with the coaxial connector 100 according to the first embodiment.
  • the leaf spring portion 32A is not branched on the fixed terminal 20A side. Therefore, the dimension of the movable terminal 30A in the y-axis direction can be reduced. Therefore, the coaxial connector 100A can be miniaturized.
  • the folded-back portion 323 is provided at the tip portions of the leaf spring portions 32 and 32A.
  • the folded portion 323 can take a shape other than the shape exemplified in the above embodiment.
  • 7 to 10 are vertical cross-sectional views (cross-sectional views in the xz plane) of the coaxial connector according to the modified example of the above embodiment.
  • 7 to 10 are views of the coaxial connector 100 according to the first embodiment modified.
  • the shape of the folded-back portion 323 shown in FIGS. 7 to 10 can, of course, be applied to the coaxial connector 100A according to the second embodiment.
  • the open end 323b of the folded-back portion 323 is located above the farthest portion 323a.
  • the position of the open end 323b substantially coincides with the position of the farthest portion 323a in the vertical direction. That is, the folded-back portion 323, which is folded downward toward the lead portion 31 side, reaches the lowest point and then extends to the negative side in the x-axis direction without rising. As a result, the folded-back portion 323 is in constant surface contact with the main body 10.
  • the folded-back portion 323 comes into contact with the upper surface of the lower case 13 by the farthest portion 323a having an extension in the x-axis direction and the y-axis direction.
  • strong elasticity springiness
  • the durability of the folded-back portion 323 can be improved.
  • the open end 323b is the lowest point.
  • the folded-back portion 323 is in line contact with the main body 10 by the open end 323b. Even with the folded portion 323 having such a shape, effective elasticity can be imparted to the leaf spring portion 32.
  • the folded-back portion 323 has a round shape in the vertical cross-sectional view (cross-sectional view in the xz plane) of the leaf spring portions 32 and 32A.
  • the folded portion 323 does not necessarily have to have a round shape.
  • the folded-back portion 323 may include one or more linear portions (straight-line portions) in the vertical cross-sectional view of the leaf spring portion 32.
  • the folded-back portion 323 includes a plurality of straight portions.
  • the folded-back portion 323 is in surface contact with the main body 10 by a straight portion extending in the x-axis direction in the vertical cross-sectional view of the leaf spring portion 32.
  • the folded-back portion 323 is in line contact with the main body 10 by a corner portion formed by two straight portions.
  • the folded-back portion 323 is in contact with the main body 10 in a state where the leaf spring portions 32 and 32A are in contact with the fixed terminal 20.
  • the folded-back portion 323 does not have to be in contact with the main body 10 when the leaf spring portions 32, 32A are in contact with the fixed terminal 20.
  • the folded-back portion 323 may come into contact with the main body 10 at least when the leaf spring portions 32 and 32A are pressed by the probe 40. It is preferable that the folded-back portion 323 comes into surface contact with the main body 10 when the leaf spring portions 32 and 32A are pressed by the probe 40.
  • the coaxial connectors 100 and 100A include one terminal set composed of fixed terminals 20 and 20A and movable terminals 30 and 30A.
  • the coaxial connector may be provided with a plurality of terminal sets.
  • all the terminal sets may have the same configuration, or terminal sets having different configurations may be mixed.
  • the terminal set (fixed terminal 20 and movable terminal 30) in the first embodiment and the terminal set (fixed terminal 20A and movable terminal 30A) in the second embodiment can be mixed.
  • a folded portion may be provided in the leaf spring portion of all the movable terminals, or the folded portion may be provided only in the leaf spring portion of some of the movable terminals. It may be provided.
  • the shape of the folded portion may be the same or different between the movable terminals.
  • the shape of each folded portion can be arbitrarily selected from, for example, the shape of the folded portion 323 exemplified in the above embodiment and FIGS. 7 to 10.
  • Coaxial connector 10 Main body 20A
  • Fixed terminal 21 Lead part 30, 30A: Movable terminal 31: Lead part 32
  • 32A Leaf spring part 321: Trunk part 322a, 322b: Branch part 323: Folded part 323a : Farthest part 323b: Open end

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

A coaxial connector (100) comprises a fixed terminal (20), a movable terminal (30), and a body (10). The fixed terminal (20) includes a lead part (21). The movable terminal (30) includes a lead part (31) and a plate spring part (32). The plate spring part (32) extends from the lead part (31) toward the fixed terminal (20) and makes contact with the fixed terminal (20). The plate spring part (32) is configured to be deformable so as to come out of contact with the fixed terminal (20) when a surface of the plate spring part (32) is pressed by a probe. The body (10) houses the terminals (20, 30) so that the lead parts (21, 31) extend to the outside. The distal end of the plate spring part (32) includes a folded portion (323). The folded part (323) is folded toward the lead part (31) while extending toward the bottom of the body (10).

Description

同軸コネクタCoaxial connector
　本開示は、同軸コネクタに関し、より詳細には、プローブを使用して信号経路の切換えを行う同軸コネクタに関する。 The present disclosure relates to a coaxial connector, and more particularly to a coaxial connector that switches a signal path using a probe.
　例えば、スマートフォン、タブレット端末、又はウェアラブル端末といったモバイル端末の通信機器には、同軸コネクタが使用される。同軸コネクタは、回路基板に実装される。同軸コネクタは、例えば、固定端子と、可動端子とを備える。同軸コネクタは、固定端子と可動端子とを接触及び離間させることより、信号経路の切換えを行うことができる。 For example, a coaxial connector is used for a communication device of a mobile terminal such as a smartphone, a tablet terminal, or a wearable terminal. The coaxial connector is mounted on the circuit board. The coaxial connector includes, for example, a fixed terminal and a movable terminal. The coaxial connector can switch the signal path by contacting and separating the fixed terminal and the movable terminal.
　同軸コネクタは、通信機器において、例えば、アンテナと送受信回路とを結ぶ線路内に配置される。通信機器の通常の使用状態では、可動端子が固定端子に接触しており、固定端子及び可動端子を介して送受信回路がアンテナに接続されている。一方、アンテナ又は送受信回路の電気的特性を検査する際には、測定器に接続されたプローブで可動端子を押圧して固定端子から離間させる。これにより、アンテナと送受信回路とが切り離され、アンテナ又は送受信回路が可動端子及びプローブを介して測定器に接続される。よって、アンテナ又は送受信回路の電気的特性を測定することができる。 The coaxial connector is arranged in a communication device, for example, in a line connecting an antenna and a transmission / reception circuit. In the normal use state of the communication device, the movable terminal is in contact with the fixed terminal, and the transmission / reception circuit is connected to the antenna via the fixed terminal and the movable terminal. On the other hand, when inspecting the electrical characteristics of the antenna or the transmission / reception circuit, the movable terminal is pressed by the probe connected to the measuring instrument to separate it from the fixed terminal. As a result, the antenna and the transmission / reception circuit are separated, and the antenna or the transmission / reception circuit is connected to the measuring instrument via the movable terminal and the probe. Therefore, the electrical characteristics of the antenna or the transmission / reception circuit can be measured.
　このような同軸コネクタは、スイッチ付き同軸コネクタと称される。特許文献１には、スイッチ付き同軸コネクタの例が開示されている。特許文献１の同軸コネクタにおいて、固定端子及び可動端子は、それぞれ接触片を有する。可動端子の接触片は、固定端子の接触片に下方から接触している。可動端子の接触片の両側には、弧状の弾片が結合されている。 Such a coaxial connector is called a coaxial connector with a switch. Patent Document 1 discloses an example of a coaxial connector with a switch. In the coaxial connector of Patent Document 1, the fixed terminal and the movable terminal each have a contact piece. The contact piece of the movable terminal is in contact with the contact piece of the fixed terminal from below. Arc-shaped bullet pieces are coupled to both sides of the contact piece of the movable terminal.
　特許文献１の同軸コネクタにおいて、可動端子の接触片は、プローブによって下方に押圧されたとき、下向きに変形して固定端子の接触片から離間する。各弾片も、接触片の変形に伴って下向きに変形する。プローブによる押圧が解除されると、可動端子の接触片及び各弾片が自身の弾性によって元の形状に復帰する。これにより、可動端子の接触片が固定端子の接触片に再び接触する。 In the coaxial connector of Patent Document 1, when the contact piece of the movable terminal is pressed downward by the probe, it deforms downward and separates from the contact piece of the fixed terminal. Each bullet also deforms downward as the contact piece deforms. When the pressure by the probe is released, the contact piece of the movable terminal and each bullet piece return to their original shape due to their own elasticity. As a result, the contact piece of the movable terminal comes into contact with the contact piece of the fixed terminal again.
実用新案登録第３０９６３７７号公報Utility Model Registration No. 3096377 Gazette
　通信機器が複数のアンテナを有する場合、アンテナごとに同軸コネクタが設けられる。これらのアンテナ又は対応する送受信回路の電気的特性を検査する際には、例えば、複数の同軸コネクタの可動端子を同時に固定端子から離間させた後、同軸コネクタごとに電気的特性を測定する。すなわち、複数の同軸コネクタ全てについて電気的特性の測定が終了するまで、各同軸コネクタの可動端子がプローブによって押圧され、変形したままの状態となる。近年の通信機器では、アンテナの数が増加し、それに伴って同軸コネクタの数も増加している。そのため、電気的特性の検査時間、言い換えると各同軸コネクタの可動端子がプローブによって押圧される時間が長時間化する傾向にある。よって、プローブによる押圧が解除されても、可動端子が元の位置及び形状に戻らなくなるという問題が生じ得る。 If the communication device has multiple antennas, a coaxial connector is provided for each antenna. When inspecting the electrical characteristics of these antennas or the corresponding transmitter / receiver circuits, for example, the movable terminals of a plurality of coaxial connectors are simultaneously separated from the fixed terminals, and then the electrical characteristics of each coaxial connector are measured. That is, the movable terminals of each coaxial connector are pressed by the probe and remain deformed until the measurement of the electrical characteristics of all of the plurality of coaxial connectors is completed. In recent communication equipment, the number of antennas has increased, and the number of coaxial connectors has also increased accordingly. Therefore, the inspection time for electrical characteristics, in other words, the time for the movable terminal of each coaxial connector to be pressed by the probe tends to be long. Therefore, even if the pressing by the probe is released, there may be a problem that the movable terminal does not return to the original position and shape.
　特許文献１の同軸コネクタでは、可動端子の接触片に対し、その両側に設けられた弧状の弾片によって弾性を付与している。しかしながら、各弾片は、線状の連接片で接触片に結合されているに過ぎない。また、各弾片は、同軸コネクタの本体に接触する両端のみで接触片を支持している。そのため、これらの弾片の強度は小さく、接触片に十分な弾性を付与することができない。特許文献１の同軸コネクタでは、可動端子の接触片がプローブによって長時間押圧された場合、接触片の弾性が失われ、固定端子と可動端子との接触信頼性を確保することができなくなる可能性がある。 In the coaxial connector of Patent Document 1, elasticity is given to the contact piece of the movable terminal by the arc-shaped bullet pieces provided on both sides thereof. However, each bullet is only attached to the contact piece by a linear articulated piece. Further, each bullet piece supports the contact piece only at both ends in contact with the main body of the coaxial connector. Therefore, the strength of these bullets is small, and it is not possible to impart sufficient elasticity to the contact pieces. In the coaxial connector of Patent Document 1, when the contact piece of the movable terminal is pressed by the probe for a long time, the elasticity of the contact piece may be lost and the contact reliability between the fixed terminal and the movable terminal may not be ensured. There is.
　本開示は、固定端子と可動端子との接触信頼性を向上させることができる同軸コネクタを提供することを課題とする。 It is an object of the present disclosure to provide a coaxial connector capable of improving the contact reliability between a fixed terminal and a movable terminal.
　本開示に係る同軸コネクタは、プローブを使用して信号経路の切換えを行う。同軸コネクタは、固定端子と、可動端子と、本体と、を備える。固定端子は、第１リード部を含む。可動端子は、第２リード部と、板ばね部と、を含む。板ばね部は、第２リード部から固定端子に向かって延びる。板ばね部は、固定端子に接触する。板ばね部は、プローブによって表面を押圧されることで固定端子との接触が解除されるように変形可能に構成されている。本体は、第１リード部及び第２リード部が外部に延出するように固定端子及び可動端子を収容する。本体には、プローブが上方から挿入される。板ばね部のうち固定端子側の端部である先端部は、折返し部を含む。折返し部は、本体の底部に近づきつつ第２リード部側に折り返されるように形成されている。 The coaxial connector according to the present disclosure uses a probe to switch the signal path. The coaxial connector includes a fixed terminal, a movable terminal, and a main body. The fixed terminal includes a first lead portion. The movable terminal includes a second lead portion and a leaf spring portion. The leaf spring portion extends from the second lead portion toward the fixed terminal. The leaf spring portion comes into contact with the fixed terminal. The leaf spring portion is configured to be deformable so that the contact with the fixed terminal is released by pressing the surface with the probe. The main body accommodates a fixed terminal and a movable terminal so that the first lead portion and the second lead portion extend to the outside. The probe is inserted into the main body from above. The tip portion of the leaf spring portion, which is the end portion on the fixed terminal side, includes the folded portion. The folded portion is formed so as to be folded toward the second lead portion while approaching the bottom of the main body.
　本開示に係る同軸コネクタによれば、固定端子と可動端子との接触信頼性を向上させることができる。 According to the coaxial connector according to the present disclosure, the contact reliability between the fixed terminal and the movable terminal can be improved.
図１は、第１実施形態に係る同軸コネクタの斜視図である。FIG. 1 is a perspective view of a coaxial connector according to the first embodiment. 図２は、図１に示す同軸コネクタの分解斜視図である。FIG. 2 is an exploded perspective view of the coaxial connector shown in FIG. 図３は、図１に示す同軸コネクタの縦断面図であり、通常時における同軸コネクタの状態を示す。FIG. 3 is a vertical cross-sectional view of the coaxial connector shown in FIG. 1, and shows a state of the coaxial connector in a normal state. 図４は、図１に示す同軸コネクタの縦断面図であり、検査時における同軸コネクタの状態を示す。FIG. 4 is a vertical cross-sectional view of the coaxial connector shown in FIG. 1, and shows the state of the coaxial connector at the time of inspection. 図５は、第２実施形態に係る同軸コネクタの分解斜視図である。FIG. 5 is an exploded perspective view of the coaxial connector according to the second embodiment. 図６は、第２実施形態に係る同軸コネクタの縦断面図である。FIG. 6 is a vertical sectional view of the coaxial connector according to the second embodiment. 図７は、上記実施形態の変形例に係る同軸コネクタの縦断面図である。FIG. 7 is a vertical sectional view of a coaxial connector according to a modified example of the above embodiment. 図８は、上記実施形態の別の変形例に係る同軸コネクタの縦断面図である。FIG. 8 is a vertical sectional view of a coaxial connector according to another modification of the above embodiment. 図９は、上記実施形態のさらに別の変形例に係る同軸コネクタの縦断面図である。FIG. 9 is a vertical sectional view of a coaxial connector according to still another modification of the above embodiment. 図１０は、上記実施形態のさらに別の変形例に係る同軸コネクタの縦断面図である。FIG. 10 is a vertical sectional view of a coaxial connector according to still another modification of the above embodiment.
　実施形態に係る同軸コネクタは、プローブを使用して信号経路の切換えを行う。同軸コネクタは、固定端子と、可動端子と、本体と、を備える。固定端子は、第１リード部を含む。可動端子は、第２リード部と、板ばね部と、を含む。板ばね部は、第２リード部から固定端子に向かって延びる。板ばね部は、固定端子に接触する。板ばね部は、プローブによって表面を押圧されることで固定端子との接触が解除されるように変形可能に構成されている。本体は、第１リード部及び第２リード部が外部に延出するように固定端子及び可動端子を収容する。本体には、プローブが上方から挿入される。板ばね部のうち固定端子側の端部である先端部は、折返し部を含む。折返し部は、本体の底部に近づきつつ第２リード部側に折り返されるように形成されている（第１の構成）。 The coaxial connector according to the embodiment uses a probe to switch the signal path. The coaxial connector includes a fixed terminal, a movable terminal, and a main body. The fixed terminal includes a first lead portion. The movable terminal includes a second lead portion and a leaf spring portion. The leaf spring portion extends from the second lead portion toward the fixed terminal. The leaf spring portion comes into contact with the fixed terminal. The leaf spring portion is configured to be deformable so that the contact with the fixed terminal is released by pressing the surface with the probe. The main body accommodates a fixed terminal and a movable terminal so that the first lead portion and the second lead portion extend to the outside. The probe is inserted into the main body from above. The tip portion of the leaf spring portion, which is the end portion on the fixed terminal side, includes the folded portion. The folded portion is formed so as to be folded toward the second lead portion while approaching the bottom of the main body (first configuration).
　第１の構成によれば、可動端子において、板ばね部の先端部に折返し部が設けられている。この折返し部は、本体の底部に近づくように折り返される形状、言い換えるとプローブによる押圧方向に向かいつつ折り返される形状を有しているため、板ばね部に対して効果的に弾性を付与することができる。具体的には、板ばね部の表面がプローブによって押圧され、板ばね部と固定端子の接触が解除されたとき、折返し部が同軸コネクタの本体に接触し、プローブによる押圧方向と反対方向に板ばね部を付勢する。そのため、プローブによる押圧が解除されたとき、板ばね部は、強い弾性を発揮して元の位置及び形状に戻ることができる。また、折返し部は、その形状によって比較的大きな強度を有するため、塑性変形しにくい。よって、プローブによる押圧時間が長時間化しても、板ばね部を固定端子に接触する状態に復帰させることが可能となる。したがって、固定端子と可動端子との接触信頼性を向上させることができる。 According to the first configuration, in the movable terminal, a folded portion is provided at the tip portion of the leaf spring portion. Since this folded portion has a shape that is folded so as to approach the bottom of the main body, in other words, a shape that is folded while facing the pressing direction by the probe, it is possible to effectively impart elasticity to the leaf spring portion. can. Specifically, when the surface of the leaf spring portion is pressed by the probe and the contact between the leaf spring portion and the fixed terminal is released, the folded portion contacts the main body of the coaxial connector, and the plate is in the direction opposite to the pressing direction by the probe. Encourage the spring part. Therefore, when the pressure by the probe is released, the leaf spring portion can exert strong elasticity and return to the original position and shape. Further, since the folded portion has a relatively large strength depending on its shape, it is difficult to be plastically deformed. Therefore, even if the pressing time by the probe is extended, the leaf spring portion can be returned to the state of being in contact with the fixed terminal. Therefore, the contact reliability between the fixed terminal and the movable terminal can be improved.
　折返し部は、開放端を含むことができる。開放端は、同軸コネクタを縦断面で見て、板ばね部のうちプローブに押圧される部分よりも、固定端子の第１リード部側に配置されることが好ましい（第２の構成）。 The folded part can include an open end. It is preferable that the open end is arranged on the side of the first lead portion of the fixed terminal rather than the portion of the leaf spring portion that is pressed by the probe when the coaxial connector is viewed in the vertical cross section (second configuration).
　第２の構成によれば、折返し部の開放端は、板ばね部のうちプローブに押圧される部分よりも固定端子の第１リード部側に配置されている。これにより、板ばね部の表面がプローブによって押圧されたとき、折返し部の開放端が板ばね部の裏面に接触して意図しない信号経路が生成されるのを回避することができる。よって、電気的特性の検査精度の低下を抑制することができる。また、プローブによる押圧に起因して折返し部が座屈するのを抑制することもできる。 According to the second configuration, the open end of the folded portion is arranged on the first lead portion side of the fixed terminal with respect to the portion of the leaf spring portion pressed by the probe. As a result, when the surface of the leaf spring portion is pressed by the probe, it is possible to prevent the open end of the folded portion from contacting the back surface of the leaf spring portion and generate an unintended signal path. Therefore, it is possible to suppress a decrease in the inspection accuracy of the electrical characteristics. In addition, it is possible to suppress buckling of the folded portion due to pressing by the probe.
　板ばね部は、湾曲部を含んでいてもよい。湾曲部は、例えば、板ばね部と固定端子との接触部と、可動端子の第２リード部との間において、上方に凸の湾曲形状を有する。一方、折返し部は、開放端を含むことができる。開放端は、同軸コネクタを縦断面で見て、湾曲部の頂点よりも、固定端子の第１リード部側に配置されることが好ましい（第３の構成）。 The leaf spring portion may include a curved portion. The curved portion has, for example, an upwardly convex curved shape between the contact portion between the leaf spring portion and the fixed terminal and the second lead portion of the movable terminal. On the other hand, the folded portion can include an open end. It is preferable that the open end is arranged on the first lead portion side of the fixed terminal rather than the apex of the curved portion when the coaxial connector is viewed in the vertical cross section (third configuration).
　第３の構成によれば、折返し部の開放端は、板ばね部に設けられた湾曲部の頂点よりも固定端子の第１リード部側に配置されている。これにより、例えば、湾曲部の頂点及びその近傍部分がプローブによって押圧されたとき、折返し部の開放端が板ばね部の裏面に接触して意図しない信号経路が生成されるのを回避することができる。よって、電気的特性の検査精度の低下を抑制することができる。また、プローブによる押圧に起因して折返し部が座屈するのを抑制することもできる。 According to the third configuration, the open end of the folded portion is arranged on the first lead portion side of the fixed terminal with respect to the apex of the curved portion provided on the leaf spring portion. As a result, for example, when the apex of the curved portion and the portion in the vicinity thereof are pressed by the probe, it is possible to prevent the open end of the folded portion from contacting the back surface of the leaf spring portion and generate an unintended signal path. can. Therefore, it is possible to suppress a decrease in the inspection accuracy of the electrical characteristics. In addition, it is possible to suppress buckling of the folded portion due to pressing by the probe.
　固定端子と板ばね部との接触部は、典型的には、同軸コネクタを縦断面で見て、板ばね部のうちプローブに押圧される部分よりも、固定端子の第１リード部側に配置される。折返し部の開放端は、同軸コネクタを縦断面で見て、接触部よりも第１リード部側に配置されることが好ましい（第４の構成）。 The contact portion between the fixed terminal and the leaf spring portion is typically arranged on the first lead portion side of the fixed terminal rather than the portion of the leaf spring portion pressed by the probe when the coaxial connector is viewed in the vertical cross section. Will be done. The open end of the folded portion is preferably arranged on the first lead portion side of the contact portion when the coaxial connector is viewed in the vertical cross section (fourth configuration).
　第４の構成によれば、折返し部の開放端は、板ばね部のうちプローブに押圧される部分からさらに離れて配置されている。より詳細には、固定端子と板ばね部との接触部よりも固定端子の第１リード部側に、折返し部の開放端が配置されている。そのため、折返し部の開放端が板ばね部の裏面に接触して意図しない信号経路が生成され、電気的特性の検査精度が低下するのをより確実に抑制することができる。また、折返し部における座屈の発生もより確実に抑制することができる。 According to the fourth configuration, the open end of the folded portion is arranged further away from the portion of the leaf spring portion that is pressed by the probe. More specifically, the open end of the folded portion is arranged on the first lead portion side of the fixed terminal with respect to the contact portion between the fixed terminal and the leaf spring portion. Therefore, it is possible to more reliably suppress the deterioration of the inspection accuracy of the electrical characteristics due to the unintended signal path being generated when the open end of the folded portion comes into contact with the back surface of the leaf spring portion. In addition, the occurrence of buckling at the folded portion can be suppressed more reliably.
　折返し部は、板ばね部の縦断面視でラウンド形状を有することが好ましい（第５の構成）。 The folded portion preferably has a round shape in the vertical cross-sectional view of the leaf spring portion (fifth configuration).
　第５の構成によれば、折返し部は、板ばね部の縦断面視でラウンド形状を有している。そのため、板ばね部がプローブによって押圧されて変形したとき、折返し部において応力集中が生じにくい。よって、折返し部の塑性変形を抑制することができる。 According to the fifth configuration, the folded portion has a round shape in the vertical cross-sectional view of the leaf spring portion. Therefore, when the leaf spring portion is pressed by the probe and deformed, stress concentration is unlikely to occur at the folded portion. Therefore, the plastic deformation of the folded portion can be suppressed.
　折返し部は、板ばね部が固定端子に接触している状態で同軸コネクタの本体に接触することが好ましい（第６の構成）。 It is preferable that the folded portion contacts the main body of the coaxial connector with the leaf spring portion in contact with the fixed terminal (sixth configuration).
　第６の構成によれば、板ばね部が固定端子に接触している状態で、折返し部が同軸コネクタの本体に接触している。すなわち、板ばね部は、折返し部によって本体に支持された状態で固定端子に接触する。これにより、固定端子に対して板ばね部を安定して接触させることができる。よって、固定端子と可動端子との接触信頼性をより向上させることができる。 According to the sixth configuration, the folded portion is in contact with the main body of the coaxial connector while the leaf spring portion is in contact with the fixed terminal. That is, the leaf spring portion comes into contact with the fixed terminal while being supported by the main body by the folded portion. As a result, the leaf spring portion can be stably brought into contact with the fixed terminal. Therefore, the contact reliability between the fixed terminal and the movable terminal can be further improved.
　折返し部は、最遠部を含んでいてもよい。最遠部は、折返し部のうち、固定端子と板ばね部との接触部から、プローブによる板ばね部の押圧方向において最も遠い位置にある部分である。最遠部は、同軸コネクタの本体に面接触することが好ましい（第７の構成）。 The folded part may include the farthest part. The farthest portion is the portion of the folded-back portion located at the farthest position in the pressing direction of the leaf spring portion by the probe from the contact portion between the fixed terminal and the leaf spring portion. The farthest portion preferably comes into surface contact with the main body of the coaxial connector (seventh configuration).
　第７の構成によれば、折返し部の一部である最遠部を同軸コネクタの本体に面接触させることにより、折返し部の耐久性を高めることができる。そのため、板ばね部がプローブによって押圧されたとき、折返し部に座屈が生じるのを抑制することができる。 According to the seventh configuration, the durability of the folded portion can be enhanced by bringing the farthest portion, which is a part of the folded portion, into surface contact with the main body of the coaxial connector. Therefore, when the leaf spring portion is pressed by the probe, it is possible to prevent buckling from occurring in the folded portion.
　板ばね部は、幹部と、複数の枝部と、を含むことができる。複数の枝部は、幹部から固定端子に向かって延びている。枝部の各々は、固定端子に接触することができる。枝部の各々は、折返し部を含むことが好ましい（第８の構成）。 The leaf spring portion can include a trunk portion and a plurality of branch portions. The branches extend from the trunk towards the fixed terminals. Each of the branches can contact the fixed terminal. Each of the branch portions preferably includes a folded portion (eighth configuration).
　第８の構成によれば、板ばね部が複数の枝部を含み、これらの枝部の各々が固定端子に接触する。すなわち、同軸コネクタにおいて、固定端子と可動端子との接触部が複数設けられる。そのため、固定端子と可動端子との接触信頼性をより向上させることができる。 According to the eighth configuration, the leaf spring portion includes a plurality of branches, and each of these branches contacts the fixed terminal. That is, in the coaxial connector, a plurality of contact portions between the fixed terminal and the movable terminal are provided. Therefore, the contact reliability between the fixed terminal and the movable terminal can be further improved.
　以下、本開示の実施形態について、図面を参照しつつ説明する。各図において同一又は相当の構成については同一符号を付し、同じ説明を繰り返さない。 Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In each figure, the same or equivalent configurations are designated by the same reference numerals, and the same description is not repeated.
　＜第１実施形態＞
　［同軸コネクタの構成］
　図１は、第１実施形態に係る同軸コネクタ１００の斜視図である。同軸コネクタ１００は、典型的には、通信機器の回路基板に実装されて使用される。同軸コネクタ１００は、通信機器において、例えば、アンテナと送受信回路とを結ぶ線路内に配置される。同軸コネクタ１００は、プローブを使用して信号経路の切換えを行うことができる。通信機器は、例えば、スマートフォン、タブレット端末、又はウェアラブル端末等のモバイル端末である。 <First Embodiment>
[Coaxial connector configuration]
FIG. 1 is a perspective view of the coaxial connector 100 according to the first embodiment. The coaxial connector 100 is typically mounted and used on a circuit board of a communication device. The coaxial connector 100 is arranged in a communication device, for example, in a line connecting an antenna and a transmission / reception circuit. The coaxial connector 100 can switch the signal path using a probe. The communication device is, for example, a mobile terminal such as a smartphone, a tablet terminal, or a wearable terminal.
　図２は、図１に示す同軸コネクタ１００の分解斜視図である。図２に示すように、同軸コネクタ１００は、本体１０と、固定端子２０と、可動端子３０とを備える。 FIG. 2 is an exploded perspective view of the coaxial connector 100 shown in FIG. As shown in FIG. 2, the coaxial connector 100 includes a main body 10, a fixed terminal 20, and a movable terminal 30.
　本体１０は、外部端子１１と、ケース１２，１３とを含む。外部端子１１、ケース１２、及びケース１３は、この順で重ねられている。以下、説明の便宜上、外部端子１１、ケース１２、及びケース１３が重ねられている方向を上下方向又はｚ軸方向といい、外部端子１１側を上又はｚ軸方向において正、ケース１３側を下又はｚ軸方向において負と定義する。この定義に基づき、ケース１２を上ケース１２、ケース１３を下ケース１３と称する。 The main body 10 includes an external terminal 11 and cases 12 and 13. The external terminals 11, the case 12, and the case 13 are stacked in this order. Hereinafter, for convenience of explanation, the direction in which the external terminals 11, the case 12, and the case 13 are overlapped is referred to as a vertical direction or a z-axis direction, the external terminal 11 side is positive in the up or z-axis direction, and the case 13 side is down. Or defined as negative in the z-axis direction. Based on this definition, the case 12 is referred to as an upper case 12 and the case 13 is referred to as a lower case 13.
　外部端子１１は、金属製であり、導電性を有する。外部端子１１は、例えば、ＳＵＳ３０１等のステンレスで構成されている。外部端子１１は、例えば、金属板に打ち抜き、曲げ、及び絞り等の加工を施すことによって形成される。外部端子１１は、その表面に、Ｎｉ（ニッケル）めっき、Ａｕ（金）めっき等のめっきを有していてもよい。外部端子１１は、回路基板上のグランド（ＧＮＤ）に接続される。外部端子１１は、板部１１１と、脚部１１２ａ，１１２ｂと、筒部１１３とを含んでいる。 The external terminal 11 is made of metal and has conductivity. The external terminal 11 is made of, for example, stainless steel such as SUS301. The external terminal 11 is formed, for example, by punching, bending, drawing, or the like on a metal plate. The surface of the external terminal 11 may have plating such as Ni (nickel) plating or Au (gold) plating. The external terminal 11 is connected to the ground (GND) on the circuit board. The external terminal 11 includes a plate portion 111, leg portions 112a and 112b, and a tubular portion 113.
　板部１１１は、平面視で実質的に矩形状を有する。脚部１１２ａ，１１２ｂは、板部１１１を挟むように配置されている。一方の脚部１１２ａは、板部１１１の一辺に連続して設けられている。他方の脚部１１２ｂは、脚部１１２ａの反対側で板部１１１の一辺に連続して設けられている。以下、説明の便宜上、脚部１１２ａ，１１２ｂが並ぶ方向をｙ軸方向と称し、ｙ軸方向及びｚ軸方向に直交する方向をｘ軸方向と称する。また、ｘ軸方向及びｙ軸方向に関し、図２の紙面において奥側を正、手前側を負とする。脚部１１２ａは、脚部１１２ｂに対し、ｙ軸方向において正側に配置されている。 The plate portion 111 has a substantially rectangular shape in a plan view. The legs 112a and 112b are arranged so as to sandwich the plate 111. One leg portion 112a is continuously provided on one side of the plate portion 111. The other leg portion 112b is continuously provided on one side of the plate portion 111 on the opposite side of the leg portion 112a. Hereinafter, for convenience of explanation, the direction in which the legs 112a and 112b are lined up is referred to as the y-axis direction, and the direction orthogonal to the y-axis direction and the z-axis direction is referred to as the x-axis direction. Further, regarding the x-axis direction and the y-axis direction, the back side is positive and the front side is negative on the paper surface of FIG. The leg portion 112a is arranged on the positive side in the y-axis direction with respect to the leg portion 112b.
　脚部１１２ａ，１１２ｂの各々は、板部１１１から下方に突出している。各脚部１１２ａ，１１２ｂの下端部は、外部端子１１、上ケース１２、及び下ケース１３が組み立てられたとき、下ケース１３の下方に位置するように内側に折り曲げられている。 Each of the leg portions 112a and 112b protrudes downward from the plate portion 111. The lower ends of the legs 112a and 112b are bent inward so as to be located below the lower case 13 when the external terminal 11, the upper case 12, and the lower case 13 are assembled.
　筒部１１３は、上下方向に延びる中心軸を有する。筒部１１３は、例えば円筒状である。筒部１１３は、板部１１１の上面の中央部に配置されている。板部１１１のうち筒部１１３に対応する部分には、板部１１１を上下方向に貫通する開口（図示略）が形成されている。筒部１１３は、この開口の周縁から上方に延びている。 The tubular portion 113 has a central axis extending in the vertical direction. The tubular portion 113 is, for example, cylindrical. The tubular portion 113 is arranged at the center of the upper surface of the plate portion 111. An opening (not shown) that penetrates the plate portion 111 in the vertical direction is formed in the portion of the plate portion 111 that corresponds to the cylinder portion 113. The tubular portion 113 extends upward from the peripheral edge of this opening.
　上ケース１２は、外部端子１１の下方に配置される。上ケース１２は、電気的絶縁性を有する。上ケース１２は、例えば、樹脂で構成されている。上ケース１２は、板部１２１と、支持部１２２ａ，１２２ｂと、筒部１２３とを含んでいる。 The upper case 12 is arranged below the external terminal 11. The upper case 12 has electrical insulation. The upper case 12 is made of, for example, a resin. The upper case 12 includes a plate portion 121, support portions 122a and 122b, and a tubular portion 123.
　板部１２１は、平面視で実質的に矩形状を有する。板部１２１の下面には、固定端子２０及び可動端子３０をケース１２，１３間に配置するため、凹部（図示略）が形成されている。支持部１２２ａ，１２２ｂは、下ケース１３とともに固定端子２０及び可動端子３０を支持する部分である。一方の支持部１２２ａは、板部１２１の四辺のうちｙ軸方向に延びる一辺に連続して設けられている。他方の支持部１２２ｂは、支持部１２２ａの反対側で、ｙ軸方向に延びる板部１２１の他辺に連続して設けられている。 The plate portion 121 has a substantially rectangular shape in a plan view. A recess (not shown) is formed on the lower surface of the plate portion 121 in order to arrange the fixed terminal 20 and the movable terminal 30 between the cases 12 and 13. The support portions 122a and 122b are portions that support the fixed terminal 20 and the movable terminal 30 together with the lower case 13. One support portion 122a is continuously provided on one of the four sides of the plate portion 121 extending in the y-axis direction. The other support portion 122b is continuously provided on the other side of the plate portion 121 extending in the y-axis direction on the opposite side of the support portion 122a.
　支持部１２２ａ，１２２ｂの各々は、例えば、概略直方体状を有する。支持部１２２ａは、支持部１２２ｂに対し、ｘ軸方向において正側に配置されている。支持部１２２ａは、板部１２１からｘ軸方向において正側に突出している。支持部１２２ｂは、板部１２１からｘ軸方向において負側に突出している。 Each of the support portions 122a and 122b has, for example, a substantially rectangular parallelepiped shape. The support portion 122a is arranged on the positive side in the x-axis direction with respect to the support portion 122b. The support portion 122a protrudes positively from the plate portion 121 in the x-axis direction. The support portion 122b projects from the plate portion 121 to the negative side in the x-axis direction.
　筒部１２３は、上下方向に延びる中心軸を有する。筒部１２３は、板部１２１の上面の中央部に配置されている。板部１２１のうち、筒部１２３に対応する部分には、板部１２１を上下方向に貫通する開口（図示略）が形成されている。 The tubular portion 123 has a central axis extending in the vertical direction. The tubular portion 123 is arranged at the center of the upper surface of the plate portion 121. An opening (not shown) that penetrates the plate portion 121 in the vertical direction is formed in the portion of the plate portion 121 that corresponds to the tubular portion 123.
　筒部１２３は、筒部１２３を上下方向に貫通する孔１２４を有する。孔１２４は、例えば、筒部１２３の横断面視（ｘｙ平面での断面視）で実質的に円形状を有する。本実施形態において、孔１２４は、上部１２４ａと、下部１２４ｂとを含んでいる。上部１２４ａの径は、下方に向かうにつれて小さくなる。下部１２４ｂの径は、全体にわたって実質的に一定である。下部１２４ｂは、板部１２１の開口と連通している。上ケース１２の筒部１２３は、外部端子１１の筒部１１３と同軸に配置され、筒部１１３に下方から挿入される。 The tubular portion 123 has a hole 124 that penetrates the tubular portion 123 in the vertical direction. The hole 124 has, for example, a substantially circular shape in a cross-sectional view (cross-sectional view in the xy plane) of the tubular portion 123. In this embodiment, the hole 124 includes an upper part 124a and a lower part 124b. The diameter of the upper portion 124a becomes smaller toward the lower side. The diameter of the lower part 124b is substantially constant throughout. The lower portion 124b communicates with the opening of the plate portion 121. The tubular portion 123 of the upper case 12 is arranged coaxially with the tubular portion 113 of the external terminal 11 and is inserted into the tubular portion 113 from below.
　下ケース１３は、上ケース１２の下方に配置される。下ケース１３は、本体１０の底部を構成する。下ケース１３は、電気的絶縁性を有する。下ケース１３は、典型的には樹脂で構成されている。下ケース１３は、板部１３１と、支持部１３２ａ，１３２ｂとを含んでいる。 The lower case 13 is arranged below the upper case 12. The lower case 13 constitutes the bottom of the main body 10. The lower case 13 has electrical insulation. The lower case 13 is typically made of resin. The lower case 13 includes a plate portion 131 and support portions 132a and 132b.
　板部１３１は、平面視で概略矩形状を有する。板部１３１の四辺のうちｙ軸方向に延びる二辺には、それぞれ切欠き部１３１ａ，１３１ｂが形成されている。切欠き部１３１ａは、切欠き部１３１ｂに対し、ｘ軸方向において正側に配置されている。切欠き部１３１ａ，１３１ｂの各々は、例えば、平面視で概略矩形状を有する。 The plate portion 131 has a substantially rectangular shape in a plan view. Notches 131a and 131b are formed on two of the four sides of the plate 131 extending in the y-axis direction, respectively. The notch 131a is arranged on the positive side in the x-axis direction with respect to the notch 131b. Each of the cutout portions 131a and 131b has a substantially rectangular shape in a plan view, for example.
　支持部１３２ａ，１３２ｂは、上ケース１２の支持部１２２ａ，１２２ｂとともに固定端子２０及び可動端子３０を支持する部分である。支持部１３２ａ，１３２ｂは、板部１３１上に設けられている。支持部１３２ａ，１３２ｂの各々は、板部１３１から上方に突出する。支持部１３２ａは、ｘ軸方向において正側の切欠き部１３１ａに隣接して配置されている。支持部１３２ａは、上ケース１２の支持部１２２ａに対応する位置に配置されている。支持部１３２ｂは、ｘ軸方向において負側の切欠き部１３１ｂに隣接して配置されている。支持部１３２ｂは、上ケース１２の支持部１２２ｂに対応する位置に配置されている。 The support portions 132a and 132b are portions that support the fixed terminal 20 and the movable terminal 30 together with the support portions 122a and 122b of the upper case 12. The support portions 132a and 132b are provided on the plate portion 131. Each of the support portions 132a and 132b projects upward from the plate portion 131. The support portion 132a is arranged adjacent to the notch portion 131a on the positive side in the x-axis direction. The support portion 132a is arranged at a position corresponding to the support portion 122a of the upper case 12. The support portion 132b is arranged adjacent to the notch portion 131b on the negative side in the x-axis direction. The support portion 132b is arranged at a position corresponding to the support portion 122b of the upper case 12.
　固定端子２０は、金属製であり、導電性を有する。固定端子２０は、例えば、ＳＵＳ３０１等のステンレスで構成されている。固定端子２０は、典型的には板状の部材である。固定端子２０は、例えば、金属板に対して打ち抜き、曲げ等の加工を施すことによって形成される。固定端子２０は、リード部２１と、被支持部２２と、羽根部２３ａ，２３ｂとを含む。 The fixed terminal 20 is made of metal and has conductivity. The fixed terminal 20 is made of, for example, stainless steel such as SUS301. The fixed terminal 20 is typically a plate-shaped member. The fixed terminal 20 is formed, for example, by punching, bending, or the like on a metal plate. The fixed terminal 20 includes a lead portion 21, a supported portion 22, and blade portions 23a and 23b.
　固定端子２０は、リード部２１が本体１０の外部に延出するように本体１０内に収容される。リード部２１は、固定端子２０において、ｘ軸方向で正側の端部に設けられている。リード部２１は、ｙ軸方向に沿って見て、例えば概略Ｌ字形状を有する。リード部２１は、同軸コネクタ１００が組み立てられたとき、下ケース１３の切欠き部１３１ａ内に位置付けられる。リード部２１は、この切欠き部１３１ａから本体１０の外部に延出する。リード部２１は、例えば、通信機器のアンテナ回路に接続される。 The fixed terminal 20 is housed in the main body 10 so that the lead portion 21 extends to the outside of the main body 10. The lead portion 21 is provided at the end of the fixed terminal 20 on the positive side in the x-axis direction. The lead portion 21 has, for example, a substantially L-shape when viewed along the y-axis direction. The lead portion 21 is positioned in the notch portion 131a of the lower case 13 when the coaxial connector 100 is assembled. The lead portion 21 extends from the notched portion 131a to the outside of the main body 10. The lead portion 21 is connected to, for example, an antenna circuit of a communication device.
　被支持部２２は、リード部２１に対し、ｘ軸方向において負側に配置されている。被支持部２２は、リード部２１に連続して設けられている。被支持部２２は、固定端子２０のうち本体１０に支持される部分である。より詳細には、被支持部２２の一部は、上ケース１２の支持部１２２ａ及び下ケース１３の支持部１３２ａによって上下から挟まれる。これにより、固定端子２０が本体１０に固定される。 The supported portion 22 is arranged on the negative side in the x-axis direction with respect to the lead portion 21. The supported portion 22 is continuously provided on the lead portion 21. The supported portion 22 is a portion of the fixed terminal 20 that is supported by the main body 10. More specifically, a part of the supported portion 22 is sandwiched from above and below by the support portion 122a of the upper case 12 and the support portion 132a of the lower case 13. As a result, the fixed terminal 20 is fixed to the main body 10.
　羽根部２３ａ，２３ｂは、本体１０内に配置され、可動端子３０と接触する部分である。羽根部２３ａは、ｘ軸方向に延びる被支持部２２の両側縁のうち、一方の側縁に連続して設けられている。羽根部２３ｂは、ｘ軸方向に延びる被支持部２２の両側縁のうち、他方の側縁に連続して設けられている。羽根部２３ａは、羽根部２３ｂに対し、ｙ軸方向において正側に配置されている。羽根部２３ａ，２３ｂは、上方に向かうにつれて互いにｙ軸方向に離間するように、それぞれ上下方向に対して傾斜している。 The blade portions 23a and 23b are portions that are arranged in the main body 10 and come into contact with the movable terminal 30. The blade portion 23a is continuously provided on one side edge of both side edges of the supported portion 22 extending in the x-axis direction. The blade portion 23b is continuously provided on the other side edge of the both side edges of the supported portion 22 extending in the x-axis direction. The blade portion 23a is arranged on the positive side in the y-axis direction with respect to the blade portion 23b. The blade portions 23a and 23b are inclined in the vertical direction so as to be separated from each other in the y-axis direction toward the upper side.
　可動端子３０は、金属製であり、導電性を有する。可動端子３０は、例えば、ＳＵＳ３０１等のステンレスで構成されている。可動端子３０は、典型的には、弾性（ばね性）を有する板状の部材である。可動端子３０は、例えば、金属板に対して打ち抜き、曲げ等の加工を施すことによって形成される。可動端子３０は、リード部３１と、板ばね部３２とを含む。 The movable terminal 30 is made of metal and has conductivity. The movable terminal 30 is made of, for example, stainless steel such as SUS301. The movable terminal 30 is typically a plate-shaped member having elasticity (springiness). The movable terminal 30 is formed by, for example, punching or bending a metal plate. The movable terminal 30 includes a lead portion 31 and a leaf spring portion 32.
　可動端子３０は、リード部３１が本体１０の外部に延出するように本体１０内に収容される。リード部３１は、ｘ軸方向における可動端子３０の両端部のうち、負側の端部に設けられている。リード部３１は、ｙ軸方向に沿って見て、例えば、固定端子２０のリード部２１とは逆向きの概略Ｌ字形状を有する。リード部３１は、同軸コネクタ１００が組み立てられたとき、下ケース１３の切欠き部１３１ｂ内に位置付けられる。リード部３１は、この切欠き部１３１ｂから本体１０の外部に延出する。リード部３１は、例えば、通信機器の送受信回路に接続される。 The movable terminal 30 is housed in the main body 10 so that the lead portion 31 extends to the outside of the main body 10. The lead portion 31 is provided at the negative end of both ends of the movable terminal 30 in the x-axis direction. The lead portion 31 has a substantially L-shape in the direction opposite to that of the lead portion 21 of the fixed terminal 20, for example, when viewed along the y-axis direction. The lead portion 31 is positioned in the notch portion 131b of the lower case 13 when the coaxial connector 100 is assembled. The lead portion 31 extends from the notched portion 131b to the outside of the main body 10. The lead unit 31 is connected to, for example, a transmission / reception circuit of a communication device.
　板ばね部３２は、可動端子３０側の回路を固定端子２０側の回路に接続するため、固定端子２０に接触する。ただし、板ばね部３２は、固定端子２０から離間することができる。板ばね部３２は、プローブによって表面を押圧されることで固定端子２０との接触が解除されるように変形可能に構成されている。プローブは、外部端子１１の筒部１１３及び上ケース１２の筒部１２３を介して本体１０内に挿入され、板ばね部３２を下方に押圧する。 The leaf spring portion 32 comes into contact with the fixed terminal 20 in order to connect the circuit on the movable terminal 30 side to the circuit on the fixed terminal 20 side. However, the leaf spring portion 32 can be separated from the fixed terminal 20. The leaf spring portion 32 is configured to be deformable so that the contact with the fixed terminal 20 is released by pressing the surface of the leaf spring portion 32 with the probe. The probe is inserted into the main body 10 via the tubular portion 113 of the external terminal 11 and the tubular portion 123 of the upper case 12, and presses the leaf spring portion 32 downward.
　板ばね部３２は、リード部３１から固定端子２０に向かって延びている。板ばね部３２は、実質的にｘ軸方向に沿って延びている。板ばね部３２のうちリード部３１側の端部（基端部）は、本体１０によって支持される。より詳細には、板ばね部３２の基端部は、上ケース１２の支持部１２２ｂ及び下ケース１３の支持部１３２ｂによって上下から挟まれる。これにより、可動端子３０が本体１０に固定される。 The leaf spring portion 32 extends from the lead portion 31 toward the fixed terminal 20. The leaf spring portion 32 extends substantially along the x-axis direction. The end portion (base end portion) of the leaf spring portion 32 on the lead portion 31 side is supported by the main body 10. More specifically, the base end portion of the leaf spring portion 32 is sandwiched from above and below by the support portion 122b of the upper case 12 and the support portion 132b of the lower case 13. As a result, the movable terminal 30 is fixed to the main body 10.
　板ばね部３２は、幹部３２１と、複数の枝部３２２ａ，３２２ｂとを含んでいる。幹部３２１は、枝部３２２ａ，３２２ｂに対し、リード部３１側に配置されている。枝部３２２ａ，３２２ｂは、それぞれ、幹部３２１から固定端子２０に向かって延びている。枝部３２２ａ，３２２ｂは、並列に配置されている。枝部３２２ａは、枝部３２２ｂに対し、ｙ軸方向において正側に配置されている。固定端子２０の被支持部２２は、これらの枝部３２２ａ，３２２ｂの間に位置付けられる。枝部３２２ａは、固定端子２０の羽根部２３ａに接触する。枝部３２２ｂは、固定端子２０の羽根部２３ｂに接触する。枝部３２２ａ，３２２ｂは、それぞれ、羽根部２３ａ，２３ｂに下方から接触する。 The leaf spring portion 32 includes a trunk portion 321 and a plurality of branch portions 322a and 322b. The trunk portion 321 is arranged on the lead portion 31 side with respect to the branch portions 322a and 322b. The branch portions 322a and 322b each extend from the trunk portion 321 toward the fixed terminal 20. The branch portions 322a and 322b are arranged in parallel. The branch portion 322a is arranged on the positive side in the y-axis direction with respect to the branch portion 322b. The supported portion 22 of the fixed terminal 20 is positioned between these branch portions 322a and 322b. The branch portion 322a comes into contact with the blade portion 23a of the fixed terminal 20. The branch portion 322b comes into contact with the blade portion 23b of the fixed terminal 20. The branch portions 322a and 322b come into contact with the blade portions 23a and 23b from below, respectively.
　枝部３２２ａ，３２２ｂは、それぞれ、折返し部３２３を含んでいる。折返し部３２３の各々は、板ばね部３２のうち固定端子２０側の端部（先端部）に含まれる。本実施形態の例において、枝部３２２ａ，３２２ｂは、実質的に同一構成の折返し部３２３を有する。そのため、主に一方の枝部３２２ａについて折返し部３２３の構成を説明し、他方の枝部３２２ｂについては折返し部３２３の構成の詳細な説明を省略する。 The branch portions 322a and 322b each include a folded portion 323. Each of the folded portions 323 is included in the end portion (tip portion) of the leaf spring portion 32 on the fixed terminal 20 side. In the example of the present embodiment, the branch portions 322a and 322b have a folded portion 323 having substantially the same configuration. Therefore, the configuration of the folded-back portion 323 will be mainly described for one branch portion 322a, and the detailed description of the configuration of the folded-back portion 323 for the other branch portion 322b will be omitted.
　図３は、図１に示す同軸コネクタ１００の縦断面図（ｘｚ平面での断面図）である。図３に示すように、枝部３２２ａは、幹部３２１から固定端子２０側に延び、羽根部２３ａに接触した後、リード部３１側に折り返される。これにより、枝部３２２ａの先端側に折返し部３２３が形成される。折返し部３２３は、本体１０の底部に近づきつつ（下方に向かいつつ）リード部３１側に折り返されるように形成されている。本実施形態において、折返し部３２３は、板ばね部３２の縦断面視（ｘｚ平面での断面視）でラウンド形状を有している。言い換えると、折返し部３２３は、その側面視で、ｘ軸方向において正側に凸の曲線状となるように形成されている。折返し部３２３は、板ばね部３２の先端部が丸められることによって形成されている。折返し部３２３には、実質的に角部が存在しない。 FIG. 3 is a vertical cross-sectional view (cross-sectional view in the xz plane) of the coaxial connector 100 shown in FIG. As shown in FIG. 3, the branch portion 322a extends from the trunk portion 321 toward the fixed terminal 20 side, comes into contact with the blade portion 23a, and then is folded back toward the lead portion 31 side. As a result, the folded portion 323 is formed on the tip end side of the branch portion 322a. The folded-back portion 323 is formed so as to be folded back toward the lead portion 31 side while approaching (downward) the bottom portion of the main body 10. In the present embodiment, the folded-back portion 323 has a round shape in a vertical cross-sectional view (cross-sectional view in the xz plane) of the leaf spring portion 32. In other words, the folded-back portion 323 is formed so as to have a curved shape that is convex to the positive side in the x-axis direction in the side view thereof. The folded-back portion 323 is formed by rounding the tip portion of the leaf spring portion 32. The folded-back portion 323 has substantially no corner portion.
　折返し部３２３は、最遠部３２３ａと、開放端３２３ｂとを含む。最遠部３２３ａは、折返し部３２３のうち、固定端子２０の羽根部２３ａと板ばね部３２の枝部３２２ａとの接触部Ｐ１から、ｚ軸方向において最も遠い位置にある部分である。言い換えると、最遠部３２３ａは、折返し部３２３の最下点である。本実施形態の例において、折返し部３２３は、固定端子２０と板ばね部３２とが接触している状態で、最遠部３２３ａによって本体１０に接触する。最遠部３２３ａは、下ケース１３の板部１３１の上面に接触する。 The folded-back portion 323 includes the farthest portion 323a and the open end 323b. The farthest portion 323a is a portion of the folded-back portion 323 located at the farthest position in the z-axis direction from the contact portion P1 between the blade portion 23a of the fixed terminal 20 and the branch portion 322a of the leaf spring portion 32. In other words, the farthest portion 323a is the lowest point of the folded portion 323. In the example of the present embodiment, the folded-back portion 323 comes into contact with the main body 10 by the farthest portion 323a in a state where the fixed terminal 20 and the leaf spring portion 32 are in contact with each other. The farthest portion 323a comes into contact with the upper surface of the plate portion 131 of the lower case 13.
　板ばね部３２の長手方向（ｘ軸方向）において、最遠部３２３ａの位置は、固定端子２０と板ばね部３２との接触部Ｐ１の位置と実質的に一致するか、接触部Ｐ１に対して正側、つまり固定端子２０のリード部２１側にあることが好ましい。言い換えると、同軸コネクタ１００を縦断面で見て、最遠部３２３ａが接触部Ｐ１の実質直下に配置されているか、最遠部３２３ａが接触部Ｐ１よりもリード部２１側に配置されていることが好ましい。ただし、最遠部３２３ａは、接触部Ｐ１に対し、ｘ軸方向において負側、つまり可動端子３０のリード部３１側に配置されていてもよい。同軸コネクタ１００を縦断面で見て、接触部Ｐ１は、板ばね部３２のうちプローブに押圧される部分（押圧部）Ｐ２よりもリード部２１側に配置されている。 In the longitudinal direction (x-axis direction) of the leaf spring portion 32, the position of the farthest portion 323a substantially coincides with the position of the contact portion P1 between the fixed terminal 20 and the leaf spring portion 32, or is relative to the contact portion P1. It is preferably on the positive side, that is, on the lead portion 21 side of the fixed terminal 20. In other words, when the coaxial connector 100 is viewed in a vertical cross section, the farthest portion 323a is arranged substantially directly under the contact portion P1, or the farthest portion 323a is arranged on the lead portion 21 side of the contact portion P1. Is preferable. However, the farthest portion 323a may be arranged on the negative side in the x-axis direction with respect to the contact portion P1, that is, on the lead portion 31 side of the movable terminal 30. Looking at the coaxial connector 100 in the vertical cross section, the contact portion P1 is arranged on the lead portion 21 side of the leaf spring portion 32 with respect to the portion (pressing portion) P2 pressed by the probe.
　開放端３２３ｂは、折返し部３２３の最先端である。本実施形態において、開放端３２３ｂは、最遠部３２３ａよりも上方に位置している。また、開放端３２３ｂは、最遠部３２３ａよりもｘ軸方向において負側、つまりリード部３１側に位置している。 The open end 323b is the most advanced part of the folded portion 323. In the present embodiment, the open end 323b is located above the farthest portion 323a. Further, the open end 323b is located on the negative side in the x-axis direction, that is, on the lead portion 31 side with respect to the farthest portion 323a.
　開放端３２３ｂは、板ばね部３２の長手方向（ｘ軸方向）において、押圧部Ｐ２よりも、固定端子２０のリード部２１側（正側）に配置されることが好ましい。すなわち、同軸コネクタ１００を縦断面で見たとき、好ましくは、開放端３２３ｂが押圧部Ｐ２よりもリード部２１側に配置される。本実施形態の例では、板ばね部３２に設けられた湾曲部の頂点が押圧部Ｐ２となる。より具体的には、板ばね部３２は、固定端子２０との接触部Ｐ１とリード部３１との間において、上方に凸の湾曲形状を有する湾曲部を含んでおり、主にこの湾曲部の頂点がプローブで押圧される。 It is preferable that the open end 323b is arranged on the lead portion 21 side (positive side) of the fixed terminal 20 rather than the pressing portion P2 in the longitudinal direction (x-axis direction) of the leaf spring portion 32. That is, when the coaxial connector 100 is viewed in a vertical cross section, the open end 323b is preferably arranged closer to the lead portion 21 than the pressing portion P2. In the example of this embodiment, the apex of the curved portion provided in the leaf spring portion 32 is the pressing portion P2. More specifically, the leaf spring portion 32 includes a curved portion having an upwardly convex curved shape between the contact portion P1 with the fixed terminal 20 and the lead portion 31, and mainly of the curved portion. The apex is pressed by the probe.
　開放端３２３ｂは、板ばね部３２の長手方向（ｘ軸方向）において、固定端子２０と板ばね部３２との接触部Ｐ１よりもリード部２１側（正側）に配置されることがより好ましい。すなわち、同軸コネクタ１００を縦断面で見たとき、より好ましくは、開放端３２３ｂが接触部Ｐ１よりもリード部２１側に配置される。開放端３２３ｂは、接触部Ｐ１の実質直下に配置されていてもよい。すなわち、ｘ軸方向において、開放端３２３ｂの位置を接触部Ｐ１の位置と実質的に又は概ね一致させることもできる。 It is more preferable that the open end 323b is arranged on the lead portion 21 side (positive side) of the contact portion P1 between the fixed terminal 20 and the leaf spring portion 32 in the longitudinal direction (x-axis direction) of the leaf spring portion 32. .. That is, when the coaxial connector 100 is viewed in a vertical cross section, the open end 323b is more preferably arranged on the lead portion 21 side of the contact portion P1. The open end 323b may be arranged substantially directly below the contact portion P1. That is, the position of the open end 323b can be substantially or substantially the same as the position of the contact portion P1 in the x-axis direction.
　［同軸コネクタの動作］
　以下、同軸コネクタ１００の動作について、図３及び図４を参照しつつ説明する。より具体的には、固定端子２０と可動端子３０との接続を解除するときの同軸コネクタ１００の動作について説明する。例えば通信機器の製造時やメンテナンス時等、同軸コネクタ１００が接続された回路の電気的特性を検査する必要があるとき、固定端子２０と可動端子３０との接続が解除される。 [Operation of coaxial connector]
Hereinafter, the operation of the coaxial connector 100 will be described with reference to FIGS. 3 and 4. More specifically, the operation of the coaxial connector 100 when disconnecting the fixed terminal 20 and the movable terminal 30 will be described. For example, when it is necessary to inspect the electrical characteristics of the circuit to which the coaxial connector 100 is connected, such as during manufacturing or maintenance of a communication device, the connection between the fixed terminal 20 and the movable terminal 30 is disconnected.
　図３は、通常時における同軸コネクタ１００の状態を示す。図３を参照して、回路の電気的特性の検査を行わないときは、固定端子２０と可動端子３０とが電気的に接続している。すなわち、可動端子３０の板ばね部３２が固定端子２０に接触し、固定端子２０側の回路と可動端子３０側の回路とが接続されている。板ばね部３２は、枝部３２２ａにおいて固定端子２０の羽根部２３ａに接触している。図３には示されていないが、板ばね部３２は、枝部３２２ｂにおいて固定端子２０の羽根部２３ｂに接触している。板ばね部３２は、各折返し部３２３が下ケース１３に接触していることで上方に若干付勢されている。この付勢力により、枝部３２２ａ，３２２ｂが羽根部２３ａ，２３ｂに押し付けられる。 FIG. 3 shows the state of the coaxial connector 100 in the normal state. With reference to FIG. 3, when the electrical characteristics of the circuit are not inspected, the fixed terminal 20 and the movable terminal 30 are electrically connected. That is, the leaf spring portion 32 of the movable terminal 30 is in contact with the fixed terminal 20, and the circuit on the fixed terminal 20 side and the circuit on the movable terminal 30 side are connected. The leaf spring portion 32 is in contact with the blade portion 23a of the fixed terminal 20 at the branch portion 322a. Although not shown in FIG. 3, the leaf spring portion 32 is in contact with the blade portion 23b of the fixed terminal 20 at the branch portion 322b. The leaf spring portion 32 is slightly urged upward because each folded portion 323 is in contact with the lower case 13. By this urging force, the branch portions 322a and 322b are pressed against the blade portions 23a and 23b.
　図４は、検査時における同軸コネクタ１００の状態を示す。図４を参照して、回路の電気的特性の検査を行うとき、同軸コネクタ１００の本体１０にプローブ４０が上方から挿入される。プローブ４０は、下方に向かい、孔１２４から本体１０内に進入する。プローブ４０は、その先端部によって板ばね部３２の押圧部Ｐ２を下方に押圧する。これにより、板ばね部３２が変形して枝部３２２ａ，３２２ｂが固定端子２０の羽根部２３ａ，２３ｂから離れる。その結果、固定端子２０と可動端子３０との電気的接続が断たれる。可動端子３０は、プローブ４０と電気的に接続される。プローブ４０に測定器を接続することにより、例えば、可動端子３０に接続されている回路の電気的特性を測定することができる。このとき、プローブ４０の外導体（図示略）は、筒部１１３に嵌合して外部端子１１に電気的に接続され、ＧＮＤ電位に保たれている。 FIG. 4 shows the state of the coaxial connector 100 at the time of inspection. When inspecting the electrical characteristics of the circuit with reference to FIG. 4, the probe 40 is inserted into the main body 10 of the coaxial connector 100 from above. The probe 40 faces downward and enters the main body 10 through the hole 124. The probe 40 downwardly presses the pressing portion P2 of the leaf spring portion 32 by its tip portion. As a result, the leaf spring portion 32 is deformed and the branch portions 322a and 322b are separated from the blade portions 23a and 23b of the fixed terminal 20. As a result, the electrical connection between the fixed terminal 20 and the movable terminal 30 is cut off. The movable terminal 30 is electrically connected to the probe 40. By connecting a measuring instrument to the probe 40, for example, the electrical characteristics of the circuit connected to the movable terminal 30 can be measured. At this time, the outer conductor (not shown) of the probe 40 is fitted to the tubular portion 113 and electrically connected to the external terminal 11 to be maintained at the GND potential.
　板ばね部３２がプローブ４０によって押圧されている間、板ばね部３２の各折返し部３２３が下ケース１３に押し付けられる。これにより、板ばね部３２が上方に強く付勢された状態となる。検査が終了してプローブ４０が取り外されると、可動端子３０とプローブ４０との電気的接続が絶たれる。プローブ４０による押圧が解除されたとき、板ばね部３２は、各折返し部３２３の強力な弾性（ばね性）によって元の位置及び形状に復帰する。板ばね部３２は、図３に示すように固定端子２０に再度接触する。その結果、固定端子２０と可動端子３０とが電気的に接続される。 While the leaf spring portion 32 is pressed by the probe 40, each folded portion 323 of the leaf spring portion 32 is pressed against the lower case 13. As a result, the leaf spring portion 32 is strongly urged upward. When the inspection is completed and the probe 40 is removed, the electrical connection between the movable terminal 30 and the probe 40 is cut off. When the pressure by the probe 40 is released, the leaf spring portion 32 returns to its original position and shape due to the strong elasticity (springiness) of each folded portion 323. The leaf spring portion 32 comes into contact with the fixed terminal 20 again as shown in FIG. As a result, the fixed terminal 20 and the movable terminal 30 are electrically connected.
　［効果］
　本実施形態に係る同軸コネクタ１００において、可動端子３０の板ばね部３２は、その先端部に複数の折返し部３２３を含んでいる。各折返し部３２３は、プローブ４０による押圧方向（下方）に向かいつつ、つまり本体１０の底部に近づきながらリード部３１側に折り返される形状を有する。各折返し部３２３は、板ばね部３２がプローブ４０によって押圧されて押し下げられたとき、下ケース１３に押し付けられることで板ばね部３２を上方に強く付勢することができる。これにより、プローブ４０による押圧が解除されたとき、各折返し部３２３が板ばね部３２に強力な弾性（ばね性）を発揮させ、板ばね部３２を元の位置及び形状に復帰させる。また、各折返し部３２３は、その形状により、下方への荷重に対して大きな強度を有する。そのため、各折返し部３２３に塑性変形が生じにくい。よって、検査時間、つまりプローブ４０による押圧時間が長時間化しても、板ばね部３２を固定端子２０に接触する状態に復元させることができる。その結果、固定端子２０と可動端子３０との接触信頼性を向上させることができる。 [effect]
In the coaxial connector 100 according to the present embodiment, the leaf spring portion 32 of the movable terminal 30 includes a plurality of folded portions 323 at its tip. Each folded-back portion 323 has a shape of being folded back toward the lead portion 31 while facing the pressing direction (downward) by the probe 40, that is, approaching the bottom of the main body 10. Each folded-back portion 323 can strongly urge the leaf spring portion 32 upward by being pressed against the lower case 13 when the leaf spring portion 32 is pressed and pushed down by the probe 40. As a result, when the pressing by the probe 40 is released, each folded-back portion 323 exerts strong elasticity (springiness) on the leaf spring portion 32, and the leaf spring portion 32 returns to the original position and shape. Further, each folded portion 323 has a large strength against a downward load due to its shape. Therefore, plastic deformation is unlikely to occur in each folded portion 323. Therefore, even if the inspection time, that is, the pressing time by the probe 40 becomes long, the leaf spring portion 32 can be restored to the state of being in contact with the fixed terminal 20. As a result, the contact reliability between the fixed terminal 20 and the movable terminal 30 can be improved.
　本実施形態において、各折返し部３２３は、固定端子２０に向かって延びる板ばね部３２の先端部に設けられている。これにより、固定端子２０に対する板ばね部３２の接触部Ｐ１の概ね直下に各折返し部３２３が配置されることとなる。そのため、プローブ４０による押圧が解除されたとき、各折返し部３２３により、板ばね部３２の接触部Ｐ１を固定端子２０に向かって効果的に押し上げることができる。よって、板ばね部３２の復元力を高めることができ、固定端子２０と可動端子３０との接触信頼性をより向上させることができる。 In the present embodiment, each folded-back portion 323 is provided at the tip portion of the leaf spring portion 32 extending toward the fixed terminal 20. As a result, each folded-back portion 323 is arranged substantially directly below the contact portion P1 of the leaf spring portion 32 with respect to the fixed terminal 20. Therefore, when the pressing by the probe 40 is released, the contact portion P1 of the leaf spring portion 32 can be effectively pushed up toward the fixed terminal 20 by each folded portion 323. Therefore, the restoring force of the leaf spring portion 32 can be increased, and the contact reliability between the fixed terminal 20 and the movable terminal 30 can be further improved.
　本実施形態において、各折返し部３２３の開放端３２３ｂは、好ましくは、プローブ４０による押圧部Ｐ２、つまり板ばね部３２における湾曲部の頂点よりも固定端子２０のリード部２１側に配置される。これにより、板ばね部３２の表面がプローブ４０によって押圧され、板ばね部３２が下向きに変形したとき、各折返し部３２３の開放端３２３ｂが板ばね部３２の裏面に接触して意図しない信号経路が生成されるのを回避することができる。よって、電気的特性の検査精度の低下を抑制することができる。また、プローブ４０による押圧に起因して各折返し部３２３が座屈するのを抑制することもできる。 In the present embodiment, the open end 323b of each folded portion 323 is preferably arranged on the lead portion 21 side of the fixed terminal 20 with respect to the pressing portion P2 by the probe 40, that is, the apex of the curved portion in the leaf spring portion 32. As a result, when the surface of the leaf spring portion 32 is pressed by the probe 40 and the leaf spring portion 32 is deformed downward, the open end 323b of each folded portion 323 comes into contact with the back surface of the leaf spring portion 32 and an unintended signal path. Can be avoided from being generated. Therefore, it is possible to suppress a decrease in the inspection accuracy of the electrical characteristics. Further, it is possible to prevent each folded-back portion 323 from buckling due to the pressing by the probe 40.
　より好ましくは、各折返し部３２３の開放端３２３ｂは、固定端子２０と板ばね部３２との接触部Ｐ１よりも固定端子２０のリード部２１側に配置される。これにより、開放端３２３ｂが板ばね部３２に接触して意図しない信号経路が生成され、電気的特性の検査の精度が低下するのをより確実に抑制することができる。また、各折返し部３２３における座屈の発生をより確実に抑制することができる。 More preferably, the open end 323b of each folded-back portion 323 is arranged closer to the lead portion 21 of the fixed terminal 20 than the contact portion P1 between the fixed terminal 20 and the leaf spring portion 32. As a result, it is possible to more reliably prevent the open end 323b from coming into contact with the leaf spring portion 32 to generate an unintended signal path and reducing the accuracy of the inspection of electrical characteristics. In addition, the occurrence of buckling in each folded-back portion 323 can be more reliably suppressed.
　本実施形態において、各折返し部３２３は、板ばね部３２の縦断面視でラウンド形状を有している。そのため、板ばね部３２がプローブ４０によって押圧されて変形したとき、各折返し部３２３において応力集中が生じにくい。よって、各折返し部３２３の塑性変形を抑制することができる。 In the present embodiment, each folded-back portion 323 has a round shape in a vertical cross-sectional view of the leaf spring portion 32. Therefore, when the leaf spring portion 32 is pressed by the probe 40 and deformed, stress concentration is unlikely to occur in each folded portion 323. Therefore, the plastic deformation of each folded portion 323 can be suppressed.
　本実施形態において、各折返し部３２３は、板ばね部３２が固定端子２０に接触している状態で本体１０に接触する。すなわち、各折返し部３２３は、プローブ４０によって板ばね部３２が押圧されていないときも、下ケース１３に接触し、下ケース１３によって支持されている。これにより、板ばね部３２を固定端子２０に安定して接触させることができる。よって、固定端子２０と可動端子３０との接触信頼性をより向上させることができる。 In the present embodiment, each folded-back portion 323 comes into contact with the main body 10 in a state where the leaf spring portion 32 is in contact with the fixed terminal 20. That is, each folded-back portion 323 is in contact with the lower case 13 and is supported by the lower case 13 even when the leaf spring portion 32 is not pressed by the probe 40. As a result, the leaf spring portion 32 can be stably brought into contact with the fixed terminal 20. Therefore, the contact reliability between the fixed terminal 20 and the movable terminal 30 can be further improved.
　本実施形態において、板ばね部３２は、複数の枝部３２２ａ，３２２ｂを含んでいる。板ばね部３２は、枝部３２２ａ，３２２ｂの各々において固定端子２０に接触するように構成されている。このように板ばね部３２と固定端子２０とを複数箇所で接触させることにより、固定端子２０と可動端子３０との接触信頼性をより向上させることができる。 In the present embodiment, the leaf spring portion 32 includes a plurality of branch portions 322a and 322b. The leaf spring portion 32 is configured to come into contact with the fixed terminal 20 at each of the branch portions 322a and 322b. By contacting the leaf spring portion 32 and the fixed terminal 20 at a plurality of locations in this way, the contact reliability between the fixed terminal 20 and the movable terminal 30 can be further improved.
　本実施形態において、固定端子２０は、羽根部２３ａ，２３ｂによって板ばね部３２の枝部３２２ａ，３２２ｂと接触するように構成されている。羽根部２３ａ，２３ｂは、枝部３２２ａ，３２２ｂ間に配置されている。この羽根部２３ａ，２３ｂは、プローブ４０による押圧が解除されたとき、枝部３２２ａ，３２２ｂをガイドして正しい位置に戻すことができる。よって、固定端子２０と可動端子３０との接触信頼性をより向上させることができる。 In the present embodiment, the fixed terminal 20 is configured to be in contact with the branch portions 322a and 322b of the leaf spring portion 32 by the blade portions 23a and 23b. The blade portions 23a and 23b are arranged between the branch portions 322a and 322b. The blade portions 23a and 23b can be returned to the correct positions by guiding the branch portions 322a and 322b when the pressing by the probe 40 is released. Therefore, the contact reliability between the fixed terminal 20 and the movable terminal 30 can be further improved.
　＜第２実施形態＞
　図５は、第２実施形態に係る同軸コネクタ１００Ａの分解斜視図である。同軸コネクタ１００Ａは、固定端子２０Ａ及び可動端子３０Ａの形状において、第１実施形態に係る同軸コネクタ１００と異なる。 <Second Embodiment>
FIG. 5 is an exploded perspective view of the coaxial connector 100A according to the second embodiment. The coaxial connector 100A is different from the coaxial connector 100 according to the first embodiment in the shapes of the fixed terminal 20A and the movable terminal 30A.
　図５に示すように、固定端子２０Ａは、第１実施形態における固定端子２０と同様、リード部２１と、被支持部２２とを含んでいる。ただし、固定端子２０Ａは、第１実施形態における固定端子２０とは異なり、羽根部２３ａ，２３ｂ（図２）を含んでいない。 As shown in FIG. 5, the fixed terminal 20A includes a lead portion 21 and a supported portion 22 as in the fixed terminal 20 in the first embodiment. However, unlike the fixed terminal 20 in the first embodiment, the fixed terminal 20A does not include the blade portions 23a and 23b (FIG. 2).
　可動端子３０Ａは、第１実施形態における可動端子３０と同様、リード部３１を含んでいる。可動端子３０Ａは、板ばね部３２Ａをさらに含む。板ばね部３２Ａは、第１実施形態における可動端子３０の板ばね部３２と異なる形状を有する。板ばね部３２Ａは、第１実施形態と異なり、固定端子２０Ａ側で分岐していない。すなわち、板ばね部３２Ａは、枝部３２２ａ，３２２ｂ（図２）を含んでいない。 The movable terminal 30A includes a lead portion 31 as in the movable terminal 30 in the first embodiment. The movable terminal 30A further includes a leaf spring portion 32A. The leaf spring portion 32A has a shape different from that of the leaf spring portion 32 of the movable terminal 30 in the first embodiment. Unlike the first embodiment, the leaf spring portion 32A is not branched on the fixed terminal 20A side. That is, the leaf spring portion 32A does not include the branch portions 322a and 322b (FIG. 2).
　板ばね部３２Ａは、リード部３１から固定端子２０Ａに向かって延び、固定端子２０Ａの被支持部２２に接触する。板ばね部３２Ａは、被支持部２２の下面に接触する。板ばね部３２Ａは、固定端子２０Ａ側の端部（先端部）に折返し部３２３を含んでいる。 The leaf spring portion 32A extends from the lead portion 31 toward the fixed terminal 20A and comes into contact with the supported portion 22 of the fixed terminal 20A. The leaf spring portion 32A comes into contact with the lower surface of the supported portion 22. The leaf spring portion 32A includes a folded-back portion 323 at an end portion (tip portion) on the fixed terminal 20A side.
　図６は、同軸コネクタ１００Ａの縦断面図（ｘｚ平面での断面図）である。図６に示すように、板ばね部３２Ａは、リード部３１側から固定端子２０Ａ側へと延び、被支持部２２に接触した後、リード部３１側に折り返される。これにより、板ばね部３２Ａの先端側に折返し部３２３が形成される。折返し部３２３の形状は、第１実施形態において説明した各折返し部３２３の形状と概ね等しい。そのため、本実施形態に係る同軸コネクタ１００Ａも、第１実施形態に係る同軸コネクタ１００と同様、接触信頼性の向上や、塑性変形の抑制等の効果を奏することができる。 FIG. 6 is a vertical cross-sectional view (cross-sectional view in the xz plane) of the coaxial connector 100A. As shown in FIG. 6, the leaf spring portion 32A extends from the lead portion 31 side to the fixed terminal 20A side, contacts the supported portion 22, and then is folded back to the lead portion 31 side. As a result, the folded-back portion 323 is formed on the tip end side of the leaf spring portion 32A. The shape of the folded-back portion 323 is substantially the same as the shape of each folded-back portion 323 described in the first embodiment. Therefore, the coaxial connector 100A according to the present embodiment can also have the same effects as the coaxial connector 100 according to the first embodiment, such as improvement of contact reliability and suppression of plastic deformation.
　板ばね部３２Ａの接触部Ｐ１と、折返し部３２３の最遠部３２３ａとの位置関係は、第１実施形態と同様に設定することができる。板ばね部３２Ａの接触部Ｐ１及び押圧部Ｐ２と、折返し部３２３の開放端３２３ｂとの各位置関係も、第１実施形態と同様に設定することができる。そのため、本実施形態に係る同軸コネクタ１００Ａも、第１実施形態に係る同軸コネクタ１００と同様、検査精度の低下抑制や、及び座屈の抑制等の効果を奏することができる。 The positional relationship between the contact portion P1 of the leaf spring portion 32A and the farthest portion 323a of the folded portion 323 can be set in the same manner as in the first embodiment. The positional relationship between the contact portion P1 and the pressing portion P2 of the leaf spring portion 32A and the open end 323b of the folded portion 323 can also be set in the same manner as in the first embodiment. Therefore, the coaxial connector 100A according to the present embodiment can also exert effects such as suppression of deterioration of inspection accuracy and suppression of buckling, as with the coaxial connector 100 according to the first embodiment.
　本実施形態では、板ばね部３２Ａを固定端子２０Ａ側で分岐させていない。そのため、ｙ軸方向における可動端子３０Ａの寸法を小さくすることができる。よって、同軸コネクタ１００Ａを小型化することができる。 In this embodiment, the leaf spring portion 32A is not branched on the fixed terminal 20A side. Therefore, the dimension of the movable terminal 30A in the y-axis direction can be reduced. Therefore, the coaxial connector 100A can be miniaturized.
　以上、本開示に係る実施形態について説明したが、本開示は上記実施形態に限定されるものではなく、その趣旨を逸脱しない限りにおいて種々の変更が可能である。 Although the embodiment according to the present disclosure has been described above, the present disclosure is not limited to the above embodiment, and various changes can be made as long as the purpose is not deviated.
　例えば、上記実施形態において、板ばね部３２，３２Ａの先端部には折返し部３２３が設けられている。この折返し部３２３は、上記実施形態において例示した形状以外の形状を採ることができる。ただし、折返し部３２３は、プローブ４０による荷重に耐え得るように、実質的に上下方向（プローブ４０による押圧方向）に延びる部分を含んでいることが好ましい。 For example, in the above embodiment, the folded-back portion 323 is provided at the tip portions of the leaf spring portions 32 and 32A. The folded portion 323 can take a shape other than the shape exemplified in the above embodiment. However, it is preferable that the folded-back portion 323 includes a portion that substantially extends in the vertical direction (pressing direction by the probe 40) so as to be able to withstand the load of the probe 40.
　図７～図１０は、上記実施形態の変形例に係る同軸コネクタの縦断面図（ｘｚ平面での断面図）である。以下、図７～図１０を参照して、上記実施形態とは異なる折返し部３２３の形状の例を説明する。図７～図１０は、第１実施形態に係る同軸コネクタ１００を変形した図である。図７～図１０に示す折返し部３２３の形状は、当然ながら、第２実施形態に係る同軸コネクタ１００Ａにも適用することができる。 7 to 10 are vertical cross-sectional views (cross-sectional views in the xz plane) of the coaxial connector according to the modified example of the above embodiment. Hereinafter, an example of the shape of the folded-back portion 323 different from that of the above embodiment will be described with reference to FIGS. 7 to 10. 7 to 10 are views of the coaxial connector 100 according to the first embodiment modified. The shape of the folded-back portion 323 shown in FIGS. 7 to 10 can, of course, be applied to the coaxial connector 100A according to the second embodiment.
　上記実施形態では、折返し部３２３の開放端３２３ｂが最遠部３２３ａよりも上方に位置している。一方、図７に示す折返し部３２３の例では、上下方向において、開放端３２３ｂの位置が最遠部３２３ａの位置と実質的に一致している。すなわち、下方に向かいつつリード部３１側に折り返される折返し部３２３は、最下点に到達した後、上昇することなくｘ軸方向において負側に延びている。これにより、折返し部３２３は、本体１０に対して常時面接触することになる。折返し部３２３は、ｘ軸方向及びｙ軸方向に広がりを有する最遠部３２３ａによって下ケース１３の上面に接触する。折返し部３２３を本体１０に面接触させることにより、板ばね部３２に強力な弾性（ばね性）を付与できるとともに、折返し部３２３の耐久性を向上させることができる。 In the above embodiment, the open end 323b of the folded-back portion 323 is located above the farthest portion 323a. On the other hand, in the example of the folded-back portion 323 shown in FIG. 7, the position of the open end 323b substantially coincides with the position of the farthest portion 323a in the vertical direction. That is, the folded-back portion 323, which is folded downward toward the lead portion 31 side, reaches the lowest point and then extends to the negative side in the x-axis direction without rising. As a result, the folded-back portion 323 is in constant surface contact with the main body 10. The folded-back portion 323 comes into contact with the upper surface of the lower case 13 by the farthest portion 323a having an extension in the x-axis direction and the y-axis direction. By bringing the folded-back portion 323 into surface contact with the main body 10, strong elasticity (springiness) can be imparted to the leaf spring portion 32, and the durability of the folded-back portion 323 can be improved.
　図８に示す折返し部３２３の例では、開放端３２３ｂが最下点となっている。図８の例では、折返し部３２３が開放端３２３ｂによって本体１０に線接触している。このような形状の折返し部３２３であっても、板ばね部３２に効果的な弾性を付与することができる。 In the example of the folded portion 323 shown in FIG. 8, the open end 323b is the lowest point. In the example of FIG. 8, the folded-back portion 323 is in line contact with the main body 10 by the open end 323b. Even with the folded portion 323 having such a shape, effective elasticity can be imparted to the leaf spring portion 32.
　上記実施形態、並びに図７及び図８に示す例では、板ばね部３２，３２Ａの縦断面視（ｘｚ平面での断面視）で折返し部３２３がラウンド形状を有している。しかしながら、折返し部３２３は、必ずしもラウンド形状を有する必要はない。例えば図９及び図１０に示すように、折返し部３２３は、板ばね部３２の縦断面視で直線状の部分（直線部）を１つ以上含んでいてもよい。 In the above embodiment and the examples shown in FIGS. 7 and 8, the folded-back portion 323 has a round shape in the vertical cross-sectional view (cross-sectional view in the xz plane) of the leaf spring portions 32 and 32A. However, the folded portion 323 does not necessarily have to have a round shape. For example, as shown in FIGS. 9 and 10, the folded-back portion 323 may include one or more linear portions (straight-line portions) in the vertical cross-sectional view of the leaf spring portion 32.
　図９及び図１０に示す例では、折返し部３２３が複数の直線部を含んでいる。図９において、折返し部３２３は、板ばね部３２の縦断面視でｘ軸方向に延びる直線部により、本体１０に面接触している。図１０において、折返し部３２３は、２つの直線部によって形成される角部により、本体１０に線接触している。 In the example shown in FIGS. 9 and 10, the folded-back portion 323 includes a plurality of straight portions. In FIG. 9, the folded-back portion 323 is in surface contact with the main body 10 by a straight portion extending in the x-axis direction in the vertical cross-sectional view of the leaf spring portion 32. In FIG. 10, the folded-back portion 323 is in line contact with the main body 10 by a corner portion formed by two straight portions.
　上記実施形態及び図７～図１０に示す例において、折返し部３２３は、板ばね部３２，３２Ａが固定端子２０に接触している状態で本体１０に接触している。しかしながら、折返し部３２３は、板ばね部３２，３２Ａが固定端子２０に接触している状態では本体１０に接触していなくてもよい。折返し部３２３は、少なくともプローブ４０によって板ばね部３２，３２Ａが押圧されたときに本体１０に接触すればよい。折返し部３２３は、プローブ４０によって板ばね部３２，３２Ａが押圧されたとき、本体１０に面接触することが好ましい。 In the above embodiment and the examples shown in FIGS. 7 to 10, the folded-back portion 323 is in contact with the main body 10 in a state where the leaf spring portions 32 and 32A are in contact with the fixed terminal 20. However, the folded-back portion 323 does not have to be in contact with the main body 10 when the leaf spring portions 32, 32A are in contact with the fixed terminal 20. The folded-back portion 323 may come into contact with the main body 10 at least when the leaf spring portions 32 and 32A are pressed by the probe 40. It is preferable that the folded-back portion 323 comes into surface contact with the main body 10 when the leaf spring portions 32 and 32A are pressed by the probe 40.
　上記実施形態において、同軸コネクタ１００，１００Ａは、固定端子２０，２０Ａ及び可動端子３０，３０Ａで構成される端子セットを１つ含んでいる。しかしながら、同軸コネクタには、複数の端子セットを設けることもできる。同軸コネクタが複数の端子セットを含む場合、全ての端子セットが同一構成を有していてもよいし、異なる構成を有する端子セットが混在していてもよい。例えば、１つの同軸コネクタにおいて、第１実施形態における端子セット（固定端子２０及び可動端子３０）と、第２実施形態における端子セット（固定端子２０Ａ及び可動端子３０Ａ）とを混在させることができる。 In the above embodiment, the coaxial connectors 100 and 100A include one terminal set composed of fixed terminals 20 and 20A and movable terminals 30 and 30A. However, the coaxial connector may be provided with a plurality of terminal sets. When the coaxial connector includes a plurality of terminal sets, all the terminal sets may have the same configuration, or terminal sets having different configurations may be mixed. For example, in one coaxial connector, the terminal set (fixed terminal 20 and movable terminal 30) in the first embodiment and the terminal set (fixed terminal 20A and movable terminal 30A) in the second embodiment can be mixed.
　同軸コネクタが複数の端子セット、すなわち複数の可動端子を含む場合、全ての可動端子の板ばね部に折返し部が設けられてもよいし、一部の可動端子の板ばね部にのみ折返し部が設けられてもよい。２つ以上の可動端子に折返し部が設けられている場合、折返し部の形状は、可動端子間で同一であってもよいし、異なっていてもよい。各折返し部の形状は、例えば、上記実施形態及び図７～図１０において例示した折返し部３２３の形状から任意に選択することができる。 When the coaxial connector includes a plurality of terminal sets, that is, a plurality of movable terminals, a folded portion may be provided in the leaf spring portion of all the movable terminals, or the folded portion may be provided only in the leaf spring portion of some of the movable terminals. It may be provided. When the folded portion is provided in two or more movable terminals, the shape of the folded portion may be the same or different between the movable terminals. The shape of each folded portion can be arbitrarily selected from, for example, the shape of the folded portion 323 exemplified in the above embodiment and FIGS. 7 to 10.
　１００，１００Ａ：同軸コネクタ
　１０：本体
　２０，２０Ａ：固定端子
　２１：リード部
　３０，３０Ａ：可動端子
　３１：リード部
　３２，３２Ａ：板ばね部
　３２１：幹部
　３２２ａ，３２２ｂ：枝部
　３２３：折返し部
　３２３ａ：最遠部
　３２３ｂ：開放端
  100, 100A: Coaxial connector 10: Main body 20, 20A: Fixed terminal 21: Lead part 30, 30A: Movable terminal 31: Lead part 32, 32A: Leaf spring part 321: Trunk part 322a, 322b: Branch part 323: Folded part 323a : Farthest part 323b: Open end

Claims (8)

  1. 　プローブを使用して信号経路の切換えを行う同軸コネクタであって、
    　第１リード部を含む固定端子と、
    　第２リード部と、前記第２リード部から前記固定端子に向かって延び、前記固定端子に接触するとともに、前記プローブによって表面を押圧されることで前記固定端子との接触が解除されるように変形可能に構成された板ばね部と、を含む可動端子と、
    　前記第１リード部及び前記第２リード部が外部に延出するように前記固定端子及び前記可動端子を収容し、前記プローブが上方から挿入される本体と、
    を備え、
    　前記板ばね部のうち前記固定端子側の端部である先端部は、前記本体の底部に近づきつつ前記第２リード部側に折り返されるように形成された折返し部を含む、同軸コネクタ。     A coaxial connector that uses a probe to switch signal paths.
    The fixed terminal including the first lead part and
    The second lead portion and the second lead portion extend toward the fixed terminal and come into contact with the fixed terminal, and the surface is pressed by the probe so that the contact with the fixed terminal is released. Deformablely configured leaf springs, including movable terminals,
    A main body that accommodates the fixed terminal and the movable terminal so that the first lead portion and the second lead portion extend to the outside, and the probe is inserted from above.
    Equipped with
    The tip portion of the leaf spring portion, which is the end portion on the fixed terminal side, is a coaxial connector including a folded portion formed so as to be folded back toward the second lead portion while approaching the bottom portion of the main body.
  2. 　請求項１に記載の同軸コネクタであって、
    　前記折返し部は、前記同軸コネクタを縦断面で見て、前記板ばね部のうち前記プローブに押圧される部分よりも前記第１リード部側に配置される開放端を含む、同軸コネクタ。     The coaxial connector according to claim 1.
    The folded portion is a coaxial connector including an open end arranged on the first lead portion side of the leaf spring portion of the leaf spring portion when the coaxial connector is viewed in a vertical cross section.
  3. 　請求項１に記載の同軸コネクタであって、
    　前記板ばね部は、前記固定端子との接触部と前記第２リード部との間において、上方に凸の湾曲形状を有する湾曲部を含み、
    　前記折返し部は、前記同軸コネクタを縦断面で見て、前記湾曲部の頂点よりも前記第１リード部側に配置される開放端を含む、同軸コネクタ。     The coaxial connector according to claim 1.
    The leaf spring portion includes a curved portion having an upwardly convex curved shape between the contact portion with the fixed terminal and the second lead portion.
    The folded portion is a coaxial connector including an open end arranged on the first lead portion side of the apex of the curved portion when the coaxial connector is viewed in a vertical cross section.
  4. 　請求項２に記載の同軸コネクタであって、
    　前記固定端子と前記板ばね部との接触部は、前記同軸コネクタを縦断面で見て、前記板ばね部のうち前記プローブに押圧される部分よりも前記第１リード部側に配置され、
    　前記開放端は、前記同軸コネクタを縦断面で見て、前記接触部よりも前記第１リード部側に配置される、同軸コネクタ。     The coaxial connector according to claim 2.
    The contact portion between the fixed terminal and the leaf spring portion is arranged closer to the first lead portion than the portion of the leaf spring portion pressed by the probe when the coaxial connector is viewed in a vertical cross section.
    The open end is a coaxial connector arranged on the first lead portion side of the contact portion when the coaxial connector is viewed in a vertical cross section.
  5. 　請求項１から４のいずれか１項に記載の同軸コネクタであって、
    　前記折返し部は、前記板ばね部の縦断面視でラウンド形状を有する、同軸コネクタ。     The coaxial connector according to any one of claims 1 to 4.
    The folded portion is a coaxial connector having a round shape in a vertical cross-sectional view of the leaf spring portion.
  6. 　請求項１から５のいずれか１項に記載の同軸コネクタであって、
    　前記折返し部は、前記板ばね部が前記固定端子に接触している状態で前記本体に接触する、同軸コネクタ。     The coaxial connector according to any one of claims 1 to 5.
    The folded portion is a coaxial connector that contacts the main body in a state where the leaf spring portion is in contact with the fixed terminal.
  7. 　請求項１から６のいずれか１項に記載の同軸コネクタであって、
    　前記折返し部は、当該折返し部のうち、前記固定端子と前記板ばね部との接触部から前記プローブによる前記板ばね部の押圧方向において最も遠い位置にある部分であって、前記本体に面接触する最遠部を含む、同軸コネクタ。     The coaxial connector according to any one of claims 1 to 6.
    The folded portion is a portion of the folded portion located at the farthest position in the pressing direction of the leaf spring portion by the probe from the contact portion between the fixed terminal and the leaf spring portion, and is in surface contact with the main body. Coaxial connector, including the farthest part.
  8. 　請求項１から７のいずれか１項に記載の同軸コネクタであって、
    　前記板ばね部は、幹部と、前記幹部から前記固定端子に向かって延びる複数の枝部と、を含み、
    　前記枝部の各々は、前記固定端子に接触し、前記折返し部を含む、同軸コネクタ。
          The coaxial connector according to any one of claims 1 to 7.
    The leaf spring portion includes a trunk portion and a plurality of branches extending from the trunk portion toward the fixed terminal.
    A coaxial connector in which each of the branch portions is in contact with the fixed terminal and includes the folded portion.
PCT/JP2021/032777 2020-12-16 2021-09-07 Coaxial connector WO2022130704A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020208042 2020-12-16
JP2020-208042 2020-12-16

Publications (1)

Publication Number Publication Date
WO2022130704A1 true WO2022130704A1 (en) 2022-06-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/032777 WO2022130704A1 (en) 2020-12-16 2021-09-07 Coaxial connector

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Country Link
WO (1) WO2022130704A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005158359A (en) * 2003-11-21 2005-06-16 Matsushita Electric Works Ltd Contact member and coaxial connector equipped with the same
JP3177068U (en) * 2012-05-07 2012-07-19 隆志工業股▲ふん▼有限公司 Small coaxial connector
JP2013152842A (en) * 2012-01-25 2013-08-08 Daiichi Seiko Co Ltd Coaxial connector with switch
JP2014154347A (en) * 2013-02-08 2014-08-25 Murata Mfg Co Ltd Coaxial connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005158359A (en) * 2003-11-21 2005-06-16 Matsushita Electric Works Ltd Contact member and coaxial connector equipped with the same
JP2013152842A (en) * 2012-01-25 2013-08-08 Daiichi Seiko Co Ltd Coaxial connector with switch
JP3177068U (en) * 2012-05-07 2012-07-19 隆志工業股▲ふん▼有限公司 Small coaxial connector
JP2014154347A (en) * 2013-02-08 2014-08-25 Murata Mfg Co Ltd Coaxial connector

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