WO2023223874A1 - コネクタ及び電子機器 - Google Patents

コネクタ及び電子機器 Download PDF

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Publication number
WO2023223874A1
WO2023223874A1 PCT/JP2023/017340 JP2023017340W WO2023223874A1 WO 2023223874 A1 WO2023223874 A1 WO 2023223874A1 JP 2023017340 W JP2023017340 W JP 2023017340W WO 2023223874 A1 WO2023223874 A1 WO 2023223874A1
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WO
WIPO (PCT)
Prior art keywords
insulator
contact
connector
extending
fitting
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2023/017340
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English (en)
French (fr)
Japanese (ja)
Inventor
元太 山▲崎▼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 Kyocera Corp filed Critical Kyocera Corp
Priority to JP2024521679A priority Critical patent/JPWO2023223874A1/ja
Priority to EP23807478.5A priority patent/EP4528936A4/en
Publication of WO2023223874A1 publication Critical patent/WO2023223874A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/727—Coupling devices presenting arrays of contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures

Definitions

  • the present disclosure relates to connectors and electronic devices.
  • a connector with a floating structure has been known as a technique for improving connection reliability with a connection target.
  • a movable insulator that is a part of the connector moves during and after fitting to absorb positional deviation between the connector and the object to be connected.
  • Patent Document 1 discloses a connector that can ensure smooth movement of such a movable insulator.
  • a connector includes: a first insulator having a frame-like shape; a second insulator disposed inside the first insulator, movable relative to the first insulator, and fitting with a connection target; a plurality of contacts attached to the first insulator and the second insulator; Equipped with The contact is A mounting section, a holding part that extends from the mounting part along the first insulator and is attached to the first insulator; a bent portion extending toward the second insulator while being bent from the holding portion; a first extending portion extending from a bending end portion of the bending portion toward the second insulator; a folded part that is folded back toward a removal side located opposite to a fitting side when the connection target is fitted to the second insulator; a second extending portion extending from the folded portion toward the removal side; has.
  • the folded portion is The first end of the folded portion on the fitting side is bent so as to be located closer to the fitting side than the first extension portion, The first end portion is narrow
  • An electronic device includes: Equipped with the above connector.
  • FIG. 2 is an external perspective view showing a connector according to an embodiment in a state in which a connection target is connected as viewed from above.
  • FIG. 2 is an external perspective view of a connector according to an embodiment in a state where it is separated from an object to be connected, as viewed from above.
  • FIG. 2 is an external perspective view of the connector shown in FIG. 1 when viewed from above.
  • FIG. 4 is an exploded perspective view of the connector of FIG. 3 when viewed from above. 4 is a sectional view taken along the VV arrow line in FIG. 3.
  • FIG. 6 is an enlarged view of a portion VI surrounded by a broken line in FIG. 5.
  • FIG. FIG. 5 is an enlarged top perspective view showing a portion of the contact in FIG. 4; FIG.
  • FIG. 4 is an external perspective view showing a connection object connected to the connector of FIG. 3 when viewed from above.
  • FIG. 9 is an exploded perspective view of the connection target shown in FIG. 8 when viewed from above.
  • FIG. 2 is a sectional view taken along the line XX in FIG. 1.
  • FIG. 3 is a schematic diagram showing a first example of how a contact elastically deforms.
  • FIG. 7 is a schematic diagram showing a second example of how the contact elastically deforms.
  • FIG. 5 is an enlarged side view of a portion of the contact in FIG. 4;
  • FIG. 7 is an enlarged side view of a part of a contact according to a modification.
  • FIG. 6 is a sectional view corresponding to FIG. 5 and showing a cross section of a connector according to a modified example.
  • the contacts attached to the movable insulator are elastically deformed as the movable insulator moves.
  • the contact elastically deforms, stress is applied to the mounting portion of the contact on the circuit board based on the resulting restoring force. If the stress load on the mounting section is large, the mounting section will be easily damaged. For example, there is a possibility that cracks may occur in the solder at the connection portion of the mounting portion to the circuit board.
  • the connector and electronic device it is possible to reduce the load applied to the contact mounting portion even when the connector is miniaturized.
  • FIG. 1 is an external perspective view of a connector 10 according to an embodiment in a state where a connection target 60 is connected, as viewed from above.
  • FIG. 2 is an external perspective view of the connector 10 according to an embodiment in a state where it is separated from the connection target 60 when viewed from above.
  • the connector 10 includes a first insulator 20 as a fixed insulator, a second insulator 30 as a movable insulator, a metal fitting 40, and a contact 50.
  • the connection target 60 includes an insulator 70, a metal fitting 80, and a contact 90.
  • the connector 10 will be described as a receptacle connector.
  • the connection object 60 will be described as a plug connector.
  • the connector 10 in which the portion of the contact 50 that contacts the contact 90 is elastically deformed in a fitted state in which the second insulator 30 and the connection target 60 of the connector 10 are fitted to each other will be described as a receptacle connector.
  • the connection object 60 in which the portion of the contact 90 that contacts the contact 50 in the fitted state does not undergo elastic deformation will be described as a plug connector.
  • the types of connector 10 and connection target object 60 are not limited to these.
  • connector 10 may serve as a plug connector.
  • the connection object 60 may serve as a receptacle connector.
  • the connector 10 and the connection target 60 are mounted on the circuit boards CB1 and CB2, respectively.
  • the connector 10 electrically connects the circuit board CB2 and the circuit board CB1 on which the connection object 60 is mounted via the connection object 60 fitted with the second insulator 30 of the connector 10.
  • the circuit boards CB1 and CB2 may be rigid boards, or may be any other circuit boards.
  • at least one of the circuit boards CB1 and CB2 may be a flexible printed circuit board (FPC).
  • the connector 10 and the connection target 60 are connected to each other in a direction perpendicular to the circuit boards CB1 and CB2.
  • the connector 10 and the connection target 60 are connected to each other along the vertical direction, for example.
  • the fitting direction when the second insulator 30 and the connection target 60 are fitted to each other is orthogonal to the circuit board CB1.
  • connection method is not limited to this.
  • the connector 10 and the connection target 60 may be connected to each other in a direction parallel to the circuit boards CB1 and CB2.
  • the connector 10 and the connection target 60 are connected to each other such that one side is perpendicular to the circuit board on which it is mounted, and the other is parallel to the circuit board on which it is mounted. Good too.
  • the “fitting direction” used in the following description means, for example, the vertical direction.
  • the lateral direction of the connector 10 means, for example, the front-back direction.
  • the “longitudinal direction of the connector 10” means, for example, the left-right direction.
  • the direction in which the plurality of contacts 50 are arranged” means, for example, the left-right direction.
  • the “fitting side” means, for example, the lower side.
  • the “extraction side” means, for example, the upper side.
  • the “fitted state” refers to a state in which the second insulator 30 of the connector 10 and the connection target 60 are fitted to each other, and the contacts 50 are elastically deformed by contact with the contacts 90. .
  • the “unfitted state” means a state in which the second insulator 30 of the connector 10 and the connection target 60 are not fitted to each other, and the contacts 50 are not elastically deformed by external force.
  • the connector 10 has a floating structure.
  • the connector 10 allows the connected object 60 to move relative to the circuit board CB1 along six directions: up, down, front, back, left and right.
  • the connection target 60 can move within a predetermined range in six directions, including up, down, front, back, left, and right directions with respect to the circuit board CB1.
  • the connection target 60 can move within a predetermined range not only in six directions (up, down, front, back, left and right), but also in diagonal directions between the six directions.
  • FIG. 3 is an external perspective view of the connector 10 shown in FIG. 1 when viewed from above.
  • FIG. 4 is an exploded perspective view of the connector 10 of FIG. 3 when viewed from above.
  • FIG. 5 is a cross-sectional view taken along the VV arrow line in FIG. 3.
  • FIG. 6 is an enlarged view of a portion VI surrounded by a broken line in FIG.
  • FIG. 7 is an enlarged top perspective view showing a part of the contact 50 of FIG. 4.
  • the connector 10 is assembled by the following method, for example.
  • the metal fitting 40 is press-fitted into the first insulator 20 from below.
  • the second insulator 30 is placed from below inside the first insulator 20 to which the metal fitting 40 is attached. With the second insulator 30 disposed inside the first insulator 20, the contact 50 is press-fitted into the first insulator 20 and the second insulator 30 from below.
  • the first insulator 20 is a member extending in the left-right direction and made by injection molding of an insulating and heat-resistant synthetic resin material.
  • the first insulator 20 is formed into a frame shape.
  • the first insulator 20 is hollow and has openings 21a and 21b on its upper and lower surfaces, respectively.
  • the first insulator 20 is composed of four side surfaces and has an outer peripheral wall 22 surrounding an internal space. More specifically, the outer peripheral wall 22 is formed by a pair of short walls 22a on both left and right sides and a pair of long walls 22b on both front and rear sides.
  • the pair of short walls 22a and the pair of long walls 22b are orthogonal to each other and constitute the outer peripheral wall 22.
  • the first insulator 20 has a first restricting portion 23a that extends in the vertical direction with a predetermined width in the front-back direction at the center of the upper edge of the inner surface of the short wall 22a.
  • the first regulating portion 23a is formed on the inner surface of the short wall 22a so as to protrude one step further inward in the left-right direction from the inner surface of the short wall 22a.
  • the first insulator 20 has a second regulating portion 23b extending in the vertical direction with a predetermined width in the left-right direction at both left and right ends of the upper edge of the inner surface of the longitudinal wall 22b.
  • the second restricting portion 23b is formed on the inner surface of the longitudinal wall 22b so as to protrude one step further inward in the front-rear direction from the inner surface of the longitudinal wall 22b.
  • the first insulator 20 has a metal fitting groove 24 recessed inside the first insulator 20 at the lower part of the short side wall 22a.
  • a metal fitting 40 is attached to the metal fitting groove 24.
  • the first insulator 20 has a plurality of contact mounting grooves 25 extending vertically at the lower end of the inner surface of the longitudinal wall 22b.
  • a plurality of contacts 50 are respectively attached to the plurality of contact attachment grooves 25 .
  • the plurality of contact mounting grooves 25 are arranged side by side and spaced apart from each other at a predetermined interval along the left-right direction.
  • the configuration of the second insulator 30 will be explained with reference mainly to FIG. 4.
  • the second insulator 30 is disposed through the opening 21b in an internal space surrounded by the outer peripheral wall 22 of the first insulator 20, and is movable relative to the first insulator 20.
  • the second insulator 30 fits into the connection target 60.
  • the second insulator 30 is a member extending in the left-right direction and made by injection molding of an insulating and heat-resistant synthetic resin material.
  • the second insulator 30 is formed in an inverted T shape when viewed from the front.
  • the second insulator 30 has a base portion 31 extending in the left-right direction at a lower portion.
  • the second insulator 30 has a wall portion 31a formed narrowly in the front-rear direction at the base portion 31.
  • the wall portion 31a is formed on the entire base portion 31 in the vertical direction.
  • the wall portion 31a is formed over substantially the entirety of the base portion 31 in the left-right direction except for both left and right end portions. As shown in FIG. 5, the lower end portion of the wall portion 31a becomes tapered toward the fitting side along the up-down direction.
  • the second insulator 30 has a fitting projection 32 that projects upward from the base 31 and fits into the connection target 60.
  • the fitting protrusion 32 is formed to be slightly wider than the base 31 in the left-right direction so as to protrude from the base 31 on both sides in the left-right direction.
  • the second insulator 30 has a fitting recess 33 recessed in the upper surface of the fitting protrusion 32 .
  • the second insulator 30 has a guide portion 34 formed over the upper edge of the fitting convex portion 32 and surrounding the fitting recess 33 .
  • the guiding portion 34 is formed of an inclined surface that slopes diagonally outward from above toward the bottom at the upper edge of the fitting convex portion 32 .
  • the second insulator 30 has a plurality of contact mounting grooves 35 extending substantially entirely in the vertical direction inside the fitting convex portion 32 .
  • a plurality of contacts 50 are respectively attached to the plurality of contact attachment grooves 35 .
  • the plurality of contact mounting grooves 35 are arranged side by side and spaced apart from each other at a predetermined interval along the left-right direction.
  • the contact mounting groove 35 is formed to penetrate inside the fitting projection 32 from the bottom to the top of the fitting projection 32.
  • the lower end of the contact mounting groove 35 is exposed from the lower part of the fitting convex portion 32 and continuous with the wall portion 31a.
  • the portion of the contact mounting groove 35 that is formed upward from the bottom is formed by recessing both inner surfaces of the fitting recess 33 in the front and rear directions.
  • the second insulator 30 has retaining protrusions 36 that protrude outward in the left-right direction on both left and right sides of the lower end of the base 31.
  • the second insulator 30 has a first regulated portion 37a formed by an outer surface in the left-right direction.
  • the first regulated portion 37a includes an outer surface in the left-right direction of the base portion 31 and an outer surface in the left-right direction of a lower end portion of the fitting convex portion 32 that is constricted one step inward in the front-back, left-right direction.
  • the second insulator 30 has a second regulated portion 37b formed by an outer surface in the front-rear direction.
  • the second regulated portion 37b includes an outer surface of a portion of the upper end portion of the base portion 31 that swells outward one step in the front-rear direction at both ends in the left-right direction, and a lower end portion of the fitting convex portion 32 that constricts one step inward in the front-rear, left-right direction. and the outer surface in the front-back direction.
  • the configuration of the metal fitting 40 will be described with reference mainly to FIG. 4.
  • the metal fitting 40 is formed by molding a thin plate of any metal material into the shape shown in FIG. 4 using a progressive die (stamping).
  • the method for processing the metal fitting 40 includes a step of bending the metal fitting 40 in the thickness direction after punching the metal fitting 40.
  • the metal fitting 40 is formed into a substantially inverted U-shape when viewed from the front from the left and right.
  • the metal fitting 40 has mounting portions 41 extending outward in an L-shape at the lower end portions of both the front and rear sides thereof.
  • the metal fitting 40 has a locking part 42 extending upward from the upper end of the mounting part 41.
  • the metal fitting 40 has a base portion 43 extending in the front-back direction so as to connect the locking portions 42 on both the front and rear sides.
  • the metal fitting 40 has a regulating portion 44 that protrudes outward in the left-right direction and becomes wider in the left-right direction at the center portion of the base portion 43 in the front-rear direction.
  • the configuration of the contact 50 will be described with reference mainly to FIGS. 4 to 7.
  • the contact 50 is formed by stamping a thin plate of a spring-elastic copper alloy containing phosphor bronze, beryllium copper, or titanium copper, or a Corson copper alloy into the shape shown in FIGS. 4 to 7 using a progressive die (stamping). It is molded.
  • the contact 50 is formed by punching and then bending it in the thickness direction.
  • the method of processing the contact 50 is not limited to this, and may include only a punching process.
  • the contact 50 is formed of, for example, a metal material with a small elastic modulus so that the shape change due to elastic deformation is large.
  • the surface of the contact 50 is plated with gold, tin, or the like after forming a base with nickel plating.
  • a plurality of contacts 50 are arranged along the longitudinal direction of the connector 10. As shown in FIG. 5, the contact 50 is attached to the first insulator 20 and the second insulator 30. A pair of contacts 50 arranged at the same left and right positions are formed and arranged symmetrically with respect to each other along the front-rear direction. The pair of contacts 50 are formed and arranged so as to be symmetrical to each other with respect to the vertical axis passing through the center between them.
  • the contact 50 has a first holding part 51 that extends along the vertical direction and is supported by the first insulator 20.
  • the contact 50 has a mounting portion 52 extending outward from the lower end of the first holding portion 51 in an L-shape.
  • the first holding portion 51 extends from the mounting portion 52 along the first insulator 20 and is disposed along the first insulator 20 .
  • the contact 50 has a bent portion 53 that extends from the upper end portion of the first holding portion 51 toward the second insulator 30 while being bent.
  • the contact 50 has a first extending portion 54 that extends from the end of the bend in the bent portion 53 toward the second insulator 30 .
  • the first extending portion 54 extends horizontally from the end of the bent portion 53 on the second insulator 30 side toward the second insulator 30 .
  • the tip of the first extending portion 54 on the second insulator 30 side is bent toward the fitting side when the connection target 60 is fitted into the second insulator 30 .
  • the contact 50 has a connecting portion 55 that slopes linearly from the tip of the first extending portion 54 on the second insulator 30 side toward the fitting side.
  • the contact 50 has a folded portion 56 that is folded back from the lower end of the connecting portion 55 toward the removal side located opposite to the fitting side.
  • the folded portion 56 is connected to the first extension portion 54 by a connecting portion 55 .
  • the contact 50 has a second extending portion 57 extending from the folded portion 56 toward the removal side.
  • the second extending portion 57 is formed in a straight line so as to be parallel to the vertical direction.
  • the contact 50 has a second holding portion 58 that bends inward in the front-rear direction from the upper end of the second extension portion 57 and extends linearly upward.
  • the second holding portion 58 has a bent portion 58a that is bent from the upper end of the second extension portion 57 into a smooth crank shape.
  • the second holding portion 58 includes a portion that becomes wider in the left-right direction right above the bent portion 58a, and is supported by the second insulator 30.
  • the contact 50 has an elastic contact piece 59 that extends upward from the upper end of the second holding part 58 so as to be slightly tilted inward in the front-rear direction.
  • the elastic contact piece 59 bends diagonally downward at the upper end and inward in the front-rear direction, and at the inner end in the front-rear direction it bends diagonally downward and outward in the front-rear direction.
  • the elastic contact piece 59 has a contact portion 59a located at the inner end in the front-rear direction.
  • the first holding portion 51 of the contact 50 is locked in the contact mounting groove 25 formed in the longitudinal wall 22b of the first insulator 20.
  • the first holding part 51 is attached to the first insulator 20.
  • the second holding portion 58 of the contact 50 is engaged with the contact mounting groove 35 formed in the fitting convex portion 32 of the second insulator 30.
  • FIG. 6 shows that the first holding portion 51 of the contact 50 is locked in the contact mounting groove 25 formed in the longitudinal wall 22b of the first insulator 20.
  • the first holding part 51 is attached to the first insulator 20.
  • the second holding portion 58 of the contact 50 is engaged with the contact mounting groove 35 formed in the fitting convex portion 32 of the second insulator 30.
  • each contact 50 When the plurality of contacts 50 are attached to the first insulator 20 and the second insulator 30, the contact portion 59a of each contact 50 is located inside the fitting recess 33 of the second insulator 30.
  • the elastic contact piece 59 of each contact 50 is arranged inside the contact mounting groove 35 of the second insulator 30 so as to be elastically deformable along the front-rear direction.
  • Each contact 50 supports the second insulator 30 in an internal space surrounded by the outer peripheral wall 22 of the first insulator 20, with the second insulator 30 spaced apart from the first insulator 20 and floating.
  • the second insulator 30 When the second insulator 30 is held against the first insulator 20 by the contact 50, the second insulator 30 is placed apart from the first insulator 20 in the internal space surrounded by the outer peripheral wall 22 of the first insulator 20. has been done. More specifically, the base 31 of the second insulator 30 is arranged in the internal space of the first insulator 20 surrounded by a pair of longitudinal walls 22b and a pair of short walls 22a. The base 31 of the second insulator 30 is surrounded by the outer peripheral wall 22 of the first insulator 20 .
  • the fitting convex portion 32 of the second insulator 30 projects upward from the opening 21a of the first insulator 20 and is located outside the internal space of the first insulator 20.
  • the fitting convex portion 32 of the second insulator 30 is arranged above the outer peripheral wall 22 of the first insulator 20 in a state where it can be fitted to the connection target 60.
  • the second restricted portion 37b of the second insulator 30 faces the second restricted portion 23b formed on the longitudinal wall 22b of the first insulator 20 from the inside in the front-rear direction.
  • the first regulated portion 37a of the second insulator 30 faces the first regulating portion 23a formed on the short side wall 22a of the first insulator 20 from the inside in the left-right direction.
  • the retaining protrusion 36 of the second insulator 30 faces the restricting portion 44 of the metal fitting 40 from below.
  • the locking portion 42 of the metal fitting 40 locks into the metal fitting mounting groove 24 of the first insulator 20.
  • the metal fittings 40 are press-fitted into the metal fitting grooves 24 of the first insulator 20 and are disposed at both left and right ends of the first insulator 20.
  • the base 43 of the metal fitting 40 is located at the left-right end of the internal space of the first insulator 20 when the metal fitting 40 is attached to the first insulator 20.
  • the upper surface of the retaining protrusion 36 of the second insulator 30 vertically faces the lower surface of the regulating portion 44 on the base 43.
  • the bent portion 53 is bent from the upper end of the first holding portion 51 at an angle of 90°.
  • the bent portion 53 is formed in the shape of a fan-shaped circular arc having a central angle of 90°.
  • the tip of the first extending portion 54 on the second insulator 30 side is bent at an obtuse angle greater than 90°.
  • the tip is formed in the shape of a sector-shaped arc having an acute center angle smaller than 90°.
  • the folded portion 56 is bent at an acute angle of less than 90° from the lower end of the linearly inclined connecting portion 55, and is bent into an arc shape with its end facing upward.
  • the folded portion 56 is formed in the shape of a fan-shaped circular arc having an obtuse center angle larger than 90°.
  • the mounting portion 52, the first holding portion 51, the bent portion 53, and a portion of the first extending portion 54 are arranged along the first insulator 20.
  • a first insulator 20 is formed between one contact 50 and another contact 50 adjacent to the one contact 50 in the left-right direction.
  • the tip of the first extending portion 54 on the second insulator 30 side, the connecting portion 55, the folded portion 56, and the second extending portion 57 are located between the first insulator 20 and the second insulator 30.
  • the first insulator 20 is not formed between one contact 50 and another contact 50 adjacent to the one contact 50 in the left-right direction.
  • the folded portion 56 is folded back so that the first end of the folded portion 56 on the fitting side is located on the fitting side with respect to the first extension portion 54 .
  • the first distance L1 in the fitting direction from the second end on the extraction side of the first extension part 54 to the first end on the fitting side of the folded part 56 is from the bottom surface of the circuit board CB1, that is, the mounting part 52. This is less than half of the second distance L2 in the fitting direction to the second end.
  • the first distance L1 may be approximately 0.35 times the second distance L2.
  • the width direction of the contacts 50 is parallel to the arrangement direction of the plurality of contacts 50.
  • the plate thickness direction of the contact 50 is an arbitrary direction orthogonal to the left-right direction, and is included in a plane extending from top to bottom and front to back.
  • the plate thickness of the contact 50 is substantially uniform at any location on the contact 50.
  • the width of the contact 50 in the left-right direction changes at various locations on the contact 50.
  • the first holding portion 51 of the contact 50 is formed wide in the left-right direction so that it can be locked in the contact mounting groove 25 of the first insulator 20.
  • the bent portion 53 is formed to be narrower in the left-right direction than the first holding portion 51 .
  • the first extending portion 54 is formed wider than the bent portion 53 in the left-right direction.
  • the connecting portion 55 has the same width as the first extending portion 54, is formed continuously with the first extending portion 54, and is formed wider than the bent portion 53 in the left-right direction.
  • the folded portion 56 is formed narrower in the left-right direction than the first extending portion 54 and the connecting portion 55.
  • the second extending portion 57 is formed wider in the left-right direction than the folded portion 56, and is formed continuously with the folded portion 56 upward.
  • the second extending portion 57 is formed to have substantially the same width as the first extending portion 54 and the connecting portion 55.
  • the folded portion 56 is formed narrower than the second extending portion 57 in the left-right direction.
  • the width of the folded part 56 in the left-right direction is the narrowest.
  • the portion of the contact 50 located between the first insulator 20 and the second insulator 30 only the bent portion of the folded portion 56 connecting the first extending portion 54 and the connecting portion 55 to the second extending portion 57 is bent. It is formed narrowly in the left and right direction.
  • the first extending portion 54, the connecting portion 55, and the second extending portion 57 adjacent to the bent portion are formed wider in the left-right direction than the folded portion 56.
  • the width becomes narrow at the bent portion 53, widened at the first extending portion 54 and connecting portion 55 adjacent to the bent portion 53, and widened at the folded portion 56 adjacent to the first extending portion 54 and connecting portion 55. It becomes narrow.
  • the width becomes narrow at the folded portion 56 and widened at the second extension portion 57 adjacent to the folded portion 56, and the width of the second holding portion 58 adjacent to the second extension portion 57 becomes narrow.
  • the width becomes narrow at the curved portion 58a. In this way, in the contact 50, two sets of portions having a repeating narrow width, wide width, and narrow width are continuously formed.
  • the connector 10 having the above structure is mounted, for example, on a circuit forming surface formed on the mounting surface of the circuit board CB1. More specifically, the mounting portion 41 of the metal fitting 40 is placed on solder paste applied to a pattern on the circuit board CB1. The mounting portion 52 of the contact 50 is placed on solder paste applied to a pattern on the circuit board CB1. By heating and melting each solder paste in a reflow oven or the like, the mounting portion 41 and the mounting portion 52 are soldered in the pattern described above. As a result, the mounting of the connector 10 onto the circuit board CB1 is completed. Electronic components other than the connector 10, including, for example, a CPU (Central Processing Unit), a controller, and a memory, are mounted on the circuit formation surface of the circuit board CB1.
  • a CPU Central Processing Unit
  • connection target object 60 The structure of the connection target object 60 will be explained mainly with reference to FIGS. 8 and 9.
  • FIG. 8 is an external perspective view showing a connection target 60 connected to the connector 10 of FIG. 3 when viewed from above.
  • FIG. 9 is an exploded perspective view of the connection target 60 of FIG. 8 when viewed from above.
  • connection target 60 includes an insulator 70, a metal fitting 80, and a contact 90 as major components.
  • the connection object 60 is assembled by press-fitting the metal fitting 80 into the insulator 70 from above and press-fitting the contact 90 from below.
  • the insulator 70 is a quadrangular prism-shaped member made by injection molding of an insulating and heat-resistant synthetic resin material.
  • the insulator 70 has a fitting recess 71 formed on the upper surface.
  • the insulator 70 has a fitting convex portion 72 formed inside a fitting recess 71 .
  • the insulator 70 has a guide portion 73 formed so as to extend over the upper edge of the fitting recess 71 and surround the fitting recess 71 .
  • the guiding portion 73 is formed of an inclined surface that slopes diagonally inward from above toward the bottom at the upper edge of the fitting recess 71 .
  • the insulator 70 has metal fitting grooves 74 recessed along the vertical direction at both left and right ends of the lower portion.
  • a metal fitting 80 is attached to the metal fitting groove 74 .
  • the insulator 70 has a plurality of contact mounting grooves 75 formed on both the front and rear inner surfaces of the lower portion and the front and rear surfaces of the fitting convex portion 72 .
  • a plurality of contacts 90 are respectively attached to the plurality of contact attachment grooves 75 .
  • the plurality of contact mounting grooves 75 are formed at predetermined intervals from each other along the left-right direction.
  • the metal fitting 80 is formed by molding a thin plate of an arbitrary metal material into the shape shown in FIG. 9 using a progressive die (stamping).
  • the metal fittings 80 are arranged at both left and right ends of the insulator 70, respectively.
  • the metal fitting 80 has a mounting portion 81 extending outward in the left-right direction in an L-shape at its lower end.
  • the metal fitting 80 is formed continuously above the mounting portion 81 and has a locking portion 82 that locks onto the insulator 70 .
  • the contact 90 is formed by molding a thin plate of a spring-elastic copper alloy containing phosphor bronze, beryllium copper, or titanium copper, or a Corson copper alloy into the shape shown in FIG. 9 using a progressive die (stamping). It is something.
  • the contact 90 is formed by punching and then bending it in the thickness direction. The method of processing the contact 90 is not limited to this, and may include only a punching process.
  • the surface of the contact 90 is plated with gold, tin, or the like after forming a base with nickel plating.
  • a plurality of contacts 90 are arranged along the left-right direction.
  • the contact 90 has an L-shaped mounting portion 91 that extends outward in the front-rear direction.
  • the contact 90 has a first locking portion 92 formed continuously with the mounting portion 91 .
  • the contact 90 has a connecting portion 93 that extends upward from the first locking portion 92 in a crank shape.
  • the contact 90 has a second locking portion 94 that linearly extends upward from the upper end of the connecting portion 93 .
  • the contact 90 has a contact portion 95 that linearly extends upward from the upper end of the second locking portion 94 .
  • the metal fitting 80 is attached to the metal fitting groove 74 of the insulator 70.
  • the locking portion 82 of the metal fitting 80 locks in the metal fitting mounting groove 74 of the insulator 70.
  • the metal fittings 80 are arranged at both left and right ends of the insulator 70, respectively.
  • the plurality of contacts 90 are respectively attached to the plurality of contact mounting grooves 75 of the insulator 70.
  • the first locking portion 92 and the second locking portion 94 of the contact 90 lock in the contact mounting groove 75 of the insulator 70 .
  • the contact portion 95 of the contact 90 is arranged on the fitting convex portion 72 of the insulator 70.
  • the contact portion 95 of the contact 90 faces outward in the front-rear direction inside the fitting recess 71 .
  • connection object 60 having the above structure is mounted, for example, on a circuit forming surface formed on the mounting surface of the circuit board CB2. More specifically, the mounting portion 81 of the metal fitting 80 is placed on solder paste applied to a pattern on the circuit board CB2. The mounting portion 91 of the contact 90 is placed on the solder paste applied to the pattern on the circuit board CB2. By heating and melting each solder paste in a reflow oven or the like, the mounting portion 81 and the mounting portion 91 are soldered in the pattern described above. As a result, the mounting of the connection object 60 onto the circuit board CB2 is completed. On the circuit formation surface of the circuit board CB2, electronic components other than the connection target object 60, including, for example, a camera module and a sensor, are mounted.
  • FIG. 10 is a cross-sectional view taken along the XX arrow line in FIG. 1. The operation of the connector 10 having a floating structure will be mainly described with reference to FIG. 10.
  • the first insulator 20 is fixed to the circuit board CB1 by soldering the mounting portion 52 of the contact 50 to the circuit board CB1.
  • the second insulator 30 becomes movable relative to the first insulator 20 fixed to the circuit board CB1 by elastically deforming the contact 50.
  • the second restricting portion 23b of the first insulator 20 restricts excessive movement of the second insulator 30 in the front-back direction with respect to the first insulator 20.
  • the second regulated portion 37b of the second insulator 30 comes into contact with the second regulated portion 23b. Thereby, the second insulator 30 does not move further outward in the front-rear direction.
  • the first restricting portion 23a of the first insulator 20 restricts excessive movement of the second insulator 30 in the left-right direction with respect to the first insulator 20. For example, when the second insulator 30 moves in the left-right direction by a large amount beyond the design value due to the elastic deformation of the contact 50, the first regulated portion 37a of the second insulator 30 comes into contact with the first regulating portion 23a. As a result, the second insulator 30 does not move further outward in the left-right direction.
  • the regulating portion 44 of the metal fitting 40 reduces upward slippage of the second insulator 30 with respect to the first insulator 20.
  • the restricting portion 44 of the metal fitting 40 restricts excessive upward movement of the second insulator 30 with respect to the first insulator 20. For example, when the second insulator 30 moves upward significantly beyond the designed value due to elastic deformation of the contact 50, the retaining projection 36 of the second insulator 30 comes into contact with the restriction portion 44. As a result, the second insulator 30 does not move upward any further. In the connector 10, excessive upward movement of the second insulator 30 can be restricted by a high-strength member such as the metal fitting 40.
  • connection object 60 With the vertical direction of the connection object 60 reversed with respect to the connector 10 having the above-described floating structure, the connector 10 and the connection object 60 are connected to each other while making the front and rear positions and horizontal positions of the connection object 60 approximately coincide. Make them face each other vertically. After that, the connection target 60 is moved downward. At this time, the guide portion 34 of the connector 10 and the guide portion 73 of the connection target 60 come into contact even if their positions are slightly shifted from each other, for example, in the front, rear, left, and right directions.
  • the second insulator 30 moves relative to the first insulator 20 due to the floating structure of the connector 10. More specifically, the fitting protrusion 32 of the second insulator 30 is guided into the fitting recess 71 of the insulator 70. When the connection target 60 is further moved downward, the fitting protrusion 32 of the second insulator 30 and the fitting recess 71 of the insulator 70 fit into each other. At this time, the fitting recess 33 of the second insulator 30 and the fitting protrusion 72 of the insulator 70 fit into each other.
  • the contacts 50 of the connector 10 and the contacts 90 of the connection target 60 are in contact with each other.
  • the contact portion 59a of the contact 50 and the contact portion 95 of the contact 90 are in contact with each other.
  • the elastic contact piece 59 of the contact 50 is slightly elastically deformed outward in the front-rear direction, and is elastically displaced outward in the front-rear direction inside the contact mounting groove 35 .
  • the connector 10 and the connection target 60 are completely connected.
  • the circuit board CB1 and the circuit board CB2 are electrically connected via the contacts 50 and 90.
  • the pair of elastic contact pieces 59 of the contact 50 clamp the pair of contacts 90 of the connection target 60 from both front and rear sides by elastic force inward in the front-rear direction.
  • the second insulator 30 receives a force in the removal direction, that is, upward, via the contact 50 .
  • the restricting portion 44 of the metal fitting 40 press-fitted into the first insulator 20 shown in FIG. 3 reduces the possibility of the second insulator 30 coming off.
  • the regulating portion 44 is located inside the first insulator 20 and directly above the retaining projection 36 of the second insulator 30 . Therefore, when the second insulator 30 attempts to move upward, the outwardly projecting retaining protrusion 36 comes into contact with the restricting portion 44 . As a result, the second insulator 30 does not move upward any further.
  • FIG. 11A is a schematic diagram showing a first example of how the contact 50 is elastically deformed.
  • FIG. 11B is a schematic diagram showing a second example of how the contact 50 is elastically deformed.
  • FIGS. 11A and 11B only one contact 50 located on the rear side in FIG. 5 is illustrated, but the elastic deformation of other contacts 50 located at the same front and rear positions is similar.
  • FIG. 11A the manner in which the corresponding front contact 50 is elastically deformed corresponds to that when FIG. 11B is reversed in the front-back direction.
  • FIG. 11B the manner in which the corresponding front contact 50 is elastically deformed corresponds to that when FIG. 11A is reversed in the front-back direction.
  • FIGS. 11A and 11B a state in which the contact 50 is not elastically deformed is shown by a two-dot chain line. A portion of the contact 50 that extends from the folded portion 56 toward the removal side is elastically deformed as the second insulator 30 moves.
  • the second holding part 58 of the contact 50 is locked in the contact mounting groove 35 of the second insulator 30, so that the locking part moves the second insulator 30 backward. Displaces backward as it moves.
  • the portion of the contact 50 extending upward from the folded portion 56 is largely elastically displaced rearward using the center of the curve of the folded portion 56 as a fulcrum.
  • the positions of the respective components formed on the rear side of the folded portion 56 in the contact 50 hardly change before and after the movement of the second insulator 30.
  • the second holding part 58 of the contact 50 is locked in the contact mounting groove 35 of the second insulator 30, so that the locking part moves the second insulator 30 forward. Displaces forward as you move. At this time, the portion of the contact 50 extending upward from the folded portion 56 is largely elastically displaced forward using the center of the curve of the folded portion 56 as a fulcrum. On the other hand, the positions of the respective components formed on the rear side of the folded portion 56 in the contact 50 hardly change before and after the movement of the second insulator 30.
  • the connector 10 includes a first extending portion 54 whose tip on the second insulator 30 side is bent toward the fitting side, and a folded portion 56 which is folded back toward the removal side located opposite to the fitting side. , has. Thereby, the length of the spring of the elastically deformed portion of the contact 50 can be increased. Thereby, the connector 10 can improve the flexibility of the contacts 50. The contacts 50 are more likely to be elastically deformed. This reduces the load applied to the mounting portion 52 of the contact 50.
  • the folded portion 56 is formed narrower than the first extension portion 54 and the second extension portion 57, so that the narrow portion of the contact 50 is limited to the folded portion 56.
  • the length of the narrow portion can be shortened.
  • the contact 50 elastically deforms as shown in FIGS. 11A and 11B as an example due to the above-mentioned two effects of improving the flexibility of the contact 50 and making it easier to determine the fulcrum of elastic deformation.
  • the contact 50 is largely elastically deformed at a portion extending from the folded portion 56 toward the removal side, with the center of the curve of the folded portion 56 as a fulcrum, and is There is almost no elastic deformation in the outer portions in the front-rear direction. In this way, the distance on the contact 50 between the portion of the contact 50 that undergoes large elastic deformation and its fulcrum and the mounting portion 52 becomes longer. Therefore, even when the connector 10 is downsized and the size of the contacts 50 is reduced, it is possible to reduce the load applied to the mounting portion 52 due to the elastic deformation of the contacts 50.
  • the contact 50 further includes a connecting portion 55 that connects the first extending portion 54 and the folded portion 56, the portion of the contact 50 that is largely elastically deformed and the contact 50 between the fulcrum and the mounting portion 52 are The distance above becomes even longer. Therefore, even when the connector 10 is downsized and the size of the contacts 50 is reduced, it is possible to further reduce the load applied to the mounting portion 52 due to the elastic deformation of the contacts 50.
  • the connecting portion 55 is linearly inclined from the tip of the first extending portion 54 on the second insulator 30 side toward the fitting side, thereby connecting the first extending portion 54 and the folded portion 56 at the shortest distance. Can be connected.
  • the connector 10 can reduce the distance on the contacts 50 between the first extension part 54 and the folded part 56 from becoming unnecessarily long, thereby reducing loss in signal transmission. Therefore, the connector 10 can reduce deterioration in transmission characteristics in, for example, large-capacity and high-speed transmission.
  • the width of the connecting portion 55 is the same as the width of the first extending portion 54, the entire first extending portion 54 and connecting portion 55 and the second extending portion 57 are folded back and forth before and after the folded portion 56. It is configured to be wider than the section 56. As a result, the narrow portion of the contact 50 is limited by the folded portion 56. In the connector 10, the narrow portion of the contact 50 can be limited by the folded portion 56, so that the length of the narrow portion can be further shortened. Therefore, when the second insulator 30 moves and the contacts 50 are elastically deformed, the fulcrum of the elastic deformation is more easily determined at a specific position in the folded portion 56. For example, the center of the curve of the folded portion 56 can be more stably determined as a fulcrum. Therefore, the connector 10 can realize more stable movement of the second insulator 30 because the fulcrum of elastic deformation in the contacts 50 is more stable.
  • the portion of the contact 50 that extends from the folded portion 56 toward the removal side is elastically deformed as the second insulator 30 moves, so that even when the size is reduced, the portion of the contact 50 that extends toward the removal side is added to the mounting portion 52 of the contact 50. This provides the effect that the load can be reduced.
  • the connector 10 By making the first distance L1 less than half of the second distance L2 in the contact 50, when the connector 10 is downsized in its lateral direction, the proximity of the connecting portion 55 and the folded portion 56 is reduced. The inclination of the connecting portion 55 becomes gentler compared to when the first distance L1 is increased while the length of the connecting portion 55 in the lateral direction of the connector 10 is maintained constant. The folding angle at the folding portion 56 becomes larger. As described above, the connector 10 can reduce the decrease in workability of the contacts 50.
  • the distance of the connecting portion 55 that connects the first extending portion 54 and the folded portion 56 becomes shorter.
  • the connector 10 can reduce the distance on the contacts 50 between the first extension part 54 and the folded part 56 from becoming unnecessarily long, thereby reducing loss in signal transmission. Therefore, the connector 10 can reduce deterioration in transmission characteristics in, for example, large-capacity and high-speed transmission.
  • the connector 10 can improve the robustness of the contacts 50 against elastic deformation of the contacts 50 caused by movement of the second insulator 30. Therefore, the connector 10 can realize stable floating operation, and can improve reliability as a product.
  • the contact 50 has a narrow width at the bent portion 53, a wide width at the first extending portion 54 and the connecting portion 55 adjacent to the bent portion 53, and a narrow width at the folded portion 56 adjacent to the first extending portion 54 and the connecting portion 55. It becomes narrow. Thereby, the connector 10 can realize good transmission characteristics in signal transmission.
  • the connector 10 since the contact 50 has the first extending portion 54 and the connecting portion 55 that are wider than the components before and after the contact 50, the impedance can be adjusted according to the width of each transmission path, that is, the cross-sectional area of the transmission path. , that is, electrical conductivity is adjusted.
  • the electrical conductivity of the first extending portion 54 and the connecting portion 55 is higher than that of the bent portion 53 and the folded portion 56.
  • the first extending portion 54 and the connecting portion 55 serve to offset the increase in impedance at the bent portion 53 and the folded portion 56, thereby bringing the impedance closer to the ideal value over the entire portion.
  • Connector 10 can contribute to impedance matching. Therefore, the connector 10 can obtain desired transmission characteristics even in large-capacity and high-speed transmission.
  • the connector 10 can improve transmission characteristics compared to a conventional connector that does not have a repeating narrow, wide, and narrow portion.
  • the contact 50 has a narrow width at the folded portion 56 and a wide width at the second extending portion 57 adjacent to the folded portion 56, and a bent portion 58a of the second holding portion 58 adjacent to the second extending portion 57.
  • the width may be narrower. In this way, in the contact 50, two sets of portions repeating narrow width, wide width, and narrow width are continuously formed, so that the above-mentioned effect of improving the transmission characteristics becomes more remarkable.
  • the connector 10 since the contacts 50 have narrow portions, the elastic deformation of the contacts 50 is made easier.
  • the connector 10 can also realize a good floating structure. As described above, the connector 10 can achieve both good transmission characteristics and a good floating structure.
  • the contact 50 in the part where the mounting part 52, the first holding part 51, the bent part 53, and a part of the first extending part 54 are located, there is a gap between one contact 50 and the other contact 50.
  • a first insulator 20 is formed. This reduces the characteristic impedance of the contact 50 in these components.
  • the characteristic impedance Z at this time depends on the capacitance C.
  • the characteristic impedance Z is inversely proportional to the square root of the capacitance C, or is inversely proportional to the capacitance C.
  • the characteristic impedance is reduced.
  • the characteristic impedance can also be adjusted by adjusting the width of the contact 50 itself.
  • the connector 10 allows adjustment of both the width of the contacts 50 and the configuration regarding the capacitor described above, thereby making it easier to match the characteristic impedance value to the ideal value. Therefore, the transmission characteristics in signal transmission of the connector 10 can be improved more easily.
  • the connector 10 can reduce contact between the metal contacts 50 and the resin first insulator 20 when the contacts 50 are elastically deformed as the second insulator 30 moves. This reduces damage to the first insulator 20. Therefore, the connector 10 can realize stable floating operation, and can improve reliability as a product.
  • the second insulator 30 Since the second insulator 30 has the guide portion 34, the guide between the fitting recess 71 of the connection target 60 and the fitting convex portion 32 of the second insulator 30 is facilitated, and the connector 10 has a good floating structure. is possible. The work of inserting the connection object 60 into the connector 10 becomes easier.
  • the connector 10 can secure the required amount of movement of the second insulator 30 even when the force applied to the second insulator 30 is small. .
  • the second insulator 30 can move smoothly relative to the first insulator 20. Thereby, the connector 10 can easily absorb positional deviation when fitting with the connection target 60.
  • the connector 10 absorbs vibrations generated by some external factor by elastic deformation of the contacts 50. This reduces the possibility that a large force will be applied to the mounting portion 52 of the contact 50. Therefore, damage to the connection portion with the circuit board CB1 is reduced. It is possible to reduce the occurrence of cracks in the solder at the connection portion between the circuit board CB1 and the mounting portion 52. Therefore, even when the connector 10 and the connection target 60 are connected, connection reliability is improved.
  • the metal fitting 40 By press-fitting the metal fitting 40 into the first insulator 20 and soldering the mounting portion 41 to the circuit board CB1, the metal fitting 40 can stably fix the first insulator 20 to the circuit board CB1.
  • the metal fittings 40 improve the mounting strength of the first insulator 20 on the circuit board CB1.
  • the shape, size, arrangement, orientation, and number of each component described above are not limited to what is illustrated in the above description and drawings.
  • the shape, size, arrangement, orientation, and number of each component may be arbitrarily configured as long as the function can be realized.
  • the method of assembling the connector 10 and connection object 60 described above is not limited to the content of the above description.
  • the connector 10 and the connection object 60 may be assembled by any method as long as they can be assembled so that their respective functions are exhibited.
  • At least one of the metal fitting 40 and the contact 50 may be integrally molded with the first insulator 20 by insert molding instead of press fitting.
  • the contact 50 may be integrally molded with the second insulator 30 by insert molding instead of press fitting.
  • at least one of the metal fitting 80 and the contact 90 may be integrally molded with the insulator 70 by insert molding instead of press fitting.
  • the folded portion 56 is configured such that the entire folded portion 56 including the first end on the fitting side is narrower in the left-right direction than the first extension portion 54 and the second extension portion 57. Although it has been explained that it is formed, it is not limited to this.
  • the folded portion 56 may be formed such that a portion thereof, for example, only the first end portion is narrower in the left-right direction than the first extending portion 54 and the second extending portion 57.
  • FIG. 12A is an enlarged side view of a portion of the contact 50 in FIG. 4.
  • FIG. 12B is a partially enlarged side view of a contact 50 according to a modification.
  • the enlarged position of the contact 50 in FIGS. 12A and 12B corresponds to the enlarged position of the contact 50 in the enlarged cross-sectional view of FIG.
  • the contact 50 further includes a connecting portion 55 connecting the first extending portion 54 and the folded portion 56.
  • the first extending portion 54 includes a portion that extends horizontally from the end of the bend in the bent portion 53 toward the second insulator 30, and a tip on the second insulator 30 side that bends toward the fitting side. has.
  • the first extending portion 54 includes a portion from a vertical double line shown adjacent to the bent portion 53 in FIG. 12A to an inclined dashed line.
  • the connecting portion 55 includes a portion extending linearly from the broken line to the diagonal double line.
  • the connector 10 is not limited to the above configuration, and the contacts 50 may not have the connecting portions 55, as shown in FIG. 12B.
  • the first extending portion 54 and the folded portion 56 may be directly connected to each other.
  • the first extending portion 54 is bent toward the fitting side with a portion that extends horizontally from the end of the bend in the bent portion 53 toward the second insulator 30. and a tip on the second insulator 30 side.
  • the first extending portion 54 includes a portion from a vertical double line shown adjacent to the bent portion 53 in FIG. 12B to an oblique double line.
  • the folded portion 56 is bent from the lower end of the first extension portion 54 at an acute angle smaller than 90°, and is bent into an arc shape with its end facing upward.
  • the folded portion 56 is formed in the shape of a fan-shaped circular arc having an obtuse center angle larger than 90°.
  • the connecting portion 55 slopes linearly from the tip of the first extending portion 54 toward the fitting side, but the connecting portion 55 is not limited thereto.
  • the connecting portion 55 may be formed in any shape capable of realizing the functions described above with respect to the contact 50.
  • the connecting portion 55 may be formed in a curved shape between the first extending portion 54 and the folded portion 56.
  • the width of the connecting portion 55 is the same as the width of the first extending portion 54, but the width is not limited to this.
  • the connecting portion 55 may be formed to have any width as long as it is wider than the width of the folded portion 56.
  • the connecting portion 55 may be formed to be wider than the width of the folded portion 56 and narrower than the width of the first extending portion 54.
  • the connecting portion 55 may be formed to be wider than the width of the first extending portion 54.
  • the portion of the contact 50 that extends from the folded portion 56 toward the removal side is elastically deformed as the second insulator 30 moves, but the present invention is not limited to this. As long as the load applied to the mounting portion 52 of the contact 50 can be reduced even if the connector 10 is downsized, other parts of the contact 50 may also be elastically deformed as the second insulator 30 moves.
  • the first distance L1 is less than or equal to half of the second distance L2, but the present invention is not limited to this.
  • the first distance L1 may be longer than half of the second distance L2, as long as it is possible to reduce the deterioration of the workability of the contact 50 and the deterioration of the transmission characteristics.
  • the width direction of the contacts 50 is parallel to the arrangement direction of the plurality of contacts 50, but the width direction is not limited to this.
  • the width direction of the contacts 50 may be parallel to any direction orthogonal to the arrangement direction of the plurality of contacts 50, as long as the above-described function of the contacts 50 can be achieved.
  • FIG. 13 is a sectional view corresponding to FIG. 5, showing a cross section of the connector 10 according to a modification.
  • the connector 10 has a height as shown in FIG. 5 with respect to the circuit board CB1, that is, the lower surface of the mounting portion 52 of the contact 50.
  • the height of the first insulator 20 is slightly larger than the height of the fitting convex portion 32 of the second insulator 30.
  • the connector 10 is not limited to the above configuration, and the connector 10 may have a height as shown in FIG. 13 with respect to the lower surface of the circuit board CB1, that is, the mounting portion 52 of the contact 50.
  • the height of the connector 10 according to the modified example may be within a range of 1.1 times to 1.5 times the height of the connector 10 shown in FIG. 5.
  • the height of the connector 10 according to the modification shown in FIG. 13 is about 1.4 times the height of the connector 10 shown in FIG. 5.
  • the height of the fitting protrusion 32 of the second insulator 30 is the same as the height of the fitting protrusion 32 shown in FIG.
  • the height of the first insulator 20 is approximately twice the height of the fitting convex portion 32.
  • the portion of the contact 50 that is elastically deformed as the second insulator 30 moves that is, the portion that extends from the folded portion 56 toward the removal side is longer than the connector 10 shown in FIG. . Therefore, the flexibility of the contact 50 is further improved.
  • the contacts 50 are more likely to be elastically deformed. This further reduces the load applied to the mounting portion 52 of the contact 50.
  • the first insulator 20 is formed thick without having a cutout or the like on the outer surface.
  • the first insulator 20 may have at least one notch on the outer surface.
  • the first insulator 20 may have a notch extending in the vertical direction at a portion located between one contact 50 and another contact 50 adjacent to the one contact 50 in the left-right direction.
  • Such a notch may be formed, for example, from directly above the contact mounting groove 25 to the upper surface of the outer peripheral wall 22.
  • Such a notch may be formed, for example, in at least a portion of the width of the outer peripheral wall 22 along the front-rear direction from the outer surface of the first insulator 20 in the front-rear direction.
  • the first extending portion 54 of the contact 50 extends horizontally from the end of the bent portion 53 on the second insulator 30 side toward the second insulator 30, but the present invention is not limited thereto.
  • the first extending portion 54 may extend obliquely toward the second insulator 30 from the end of the bent portion 53 on the second insulator 30 side.
  • the second extending portion 57 of the contact 50 is formed in a straight line so as to be parallel to the vertical direction, but the present invention is not limited thereto.
  • the second extending portion 57 may be formed to be non-parallel in the vertical direction, or may be formed in a non-linear shape.
  • the first holding portion 51 of the contact 50 is formed wide in the left-right direction so as to be able to be engaged with the contact mounting groove 25 of the first insulator 20, but the present invention is not limited thereto.
  • the first holding part 51 does not need to be formed wide in the left-right direction, assuming insert molding rather than press-fitting.
  • the contact 50 has been described as being formed of a metal material with a small elastic modulus, the present invention is not limited thereto.
  • the contact 50 may be formed of a metal material having any elastic modulus as long as the required amount of elastic deformation can be ensured.
  • connection object 60 is a plug connector connected to the circuit board CB2, it is not limited to this.
  • the connection object 60 may be any object other than a connector.
  • the connection target 60 may be an FPC, a flexible flat cable, a rigid board, or a card edge of any circuit board.
  • the connector 10 as described above is installed in an electronic device.
  • the electronic equipment includes, for example, any in-vehicle equipment such as a camera, radar, drive recorder, and engine control unit.
  • Electronic equipment includes, for example, any in-vehicle equipment used in in-vehicle systems such as car navigation systems, advanced driving assistance systems, and security systems.
  • Electronic devices include, for example, any information devices such as personal computers, smartphones, copy machines, printers, facsimile machines, and multifunction peripherals.
  • electronic equipment includes any industrial equipment.
  • the load applied to the mounting portion 52 of the contact 50 can be reduced even if the connector 10 having a floating structure is downsized. This reduces damage such as solder cracks in the mounting portion 52 of the contact 50. Therefore, problems such as deformation and breakage of the contacts 50 are reduced. As a result, the reliability of the electronic device having the connector 10 as a product is improved.
  • the good floating structure of the connector 10 absorbs misalignment between circuit boards, improving workability when assembling electronic equipment. Manufacturing electronic devices becomes easier. Since the connector 10 reduces damage to the connection portion with the circuit board CB1, the reliability of the electronic device as a product is further improved.
  • a first insulator having a frame-like shape; a second insulator disposed inside the first insulator, movable relative to the first insulator, and fitting with a connection target; a plurality of contacts attached to the first insulator and the second insulator; Equipped with The contact is A mounting section, a holding part that extends from the mounting part along the first insulator and is attached to the first insulator; a bent portion extending toward the second insulator while being bent from the holding portion; a first extending portion extending from a bending end portion of the bending portion toward the second insulator; a folded part that is folded back toward a removal side located opposite to a fitting side when the connection target is fitted to the second insulator; a second extending portion extending from the folded portion toward the removal side; has The folded portion is The first end of the folded portion on the fitting side is bent so as to be located closer to the fitting side than the first extension portion, the first end portion is narrower than
  • the entire folded portion including the first end portion is narrower than the first extending portion and the second extending portion.
  • the contact further includes a connecting part connecting the first extending part and the folded part, The connecting portion is inclined linearly from the tip of the first extending portion on the second insulator side toward the fitting side.
  • the width of the connecting portion is the same as the width of the first extending portion, The connector described in (4) above.
  • a portion of the contact extending from the folded portion toward the removal side is elastically deformed as the second insulator moves.
  • the fitting direction when the second insulator and the connection target are fitted to each other is orthogonal to the circuit board on which the mounting section is mounted, A first distance in the fitting direction from the second end on the extraction side of the first extension part to the first end on the fitting side of the folded part is a distance from the circuit board to the second end. half or less of the second distance in the fitting direction to the part;
  • the width direction of the contact is parallel to the arrangement direction of the plurality of contacts.
  • An electronic device comprising the connector according to any one of (1) to (8) above.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
PCT/JP2023/017340 2022-05-17 2023-05-08 コネクタ及び電子機器 Ceased WO2023223874A1 (ja)

Priority Applications (2)

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JP2024521679A JPWO2023223874A1 (https=) 2022-05-17 2023-05-08
EP23807478.5A EP4528936A4 (en) 2022-05-17 2023-05-08 CONNECTOR AND ELECTRONIC DEVICE

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JP2022081182 2022-05-17
JP2022-081182 2022-05-17

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JP5946804B2 (ja) 2013-08-09 2016-07-06 ヒロセ電機株式会社 コネクタ
JP2016181495A (ja) * 2014-12-12 2016-10-13 イリソ電子工業株式会社 電気コネクタ
WO2019181462A1 (ja) * 2018-03-23 2019-09-26 京セラ株式会社 コネクタ及び電子機器
JP2021026874A (ja) * 2019-08-02 2021-02-22 イリソ電子工業株式会社 可動コネクタ、及び可動コネクタの製造方法
JP2021093244A (ja) * 2019-12-06 2021-06-17 イリソ電子工業株式会社 可動コネクタ、及びシールドの製造方法
JP2022051035A (ja) * 2020-09-18 2022-03-31 モレックス エルエルシー コネクタ

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JP2021093244A (ja) * 2019-12-06 2021-06-17 イリソ電子工業株式会社 可動コネクタ、及びシールドの製造方法
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WO2025169869A1 (ja) * 2024-02-09 2025-08-14 株式会社オートネットワーク技術研究所 フローティングコネクタ

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JPWO2023223874A1 (https=) 2023-11-23
EP4528936A4 (en) 2025-10-08

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