WO2022085397A1 - シールドコネクタ - Google Patents

シールドコネクタ Download PDF

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Publication number
WO2022085397A1
WO2022085397A1 PCT/JP2021/036478 JP2021036478W WO2022085397A1 WO 2022085397 A1 WO2022085397 A1 WO 2022085397A1 JP 2021036478 W JP2021036478 W JP 2021036478W WO 2022085397 A1 WO2022085397 A1 WO 2022085397A1
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WO
WIPO (PCT)
Prior art keywords
conductor
pair
portions
arc
front wall
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/JP2021/036478
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
宏芳 前岨
敏文 一尾
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.)
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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 Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to US18/031,142 priority Critical patent/US20230387633A1/en
Priority to CN202180068377.9A priority patent/CN116325381A/zh
Publication of WO2022085397A1 publication Critical patent/WO2022085397A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6598—Shield material
    • H01R13/6599—Dielectric material made conductive, e.g. plastic material coated with metal
    • 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]
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0515—Connection to a rigid planar substrate, e.g. printed circuit board

Definitions

  • This disclosure relates to a shielded connector.
  • Patent Document 1 discloses a shield connector for a substrate in which an inner conductor is surrounded by a dielectric and the dielectric is surrounded by an outer conductor. Since the outer conductor is made by bending a conductive plate material, it is cheaper than the die-cast outer conductor terminal.
  • the outer conductor has a substantially L-shaped cross section, and includes a horizontally extending fitting portion and a substrate assembly portion extending downward from the rear portion of the fitting portion. There is.
  • the lower plate part of the fitting part and the front plate part of the board assembly part are arranged so as to form a right angle to each other.
  • the lower plate portion of the fitting portion is formed by bending the lower end edge of the side plate portion of the fitting portion as a crease.
  • the front surface portion of the substrate assembly portion is formed by bending the front end edge of the side plate portion of the substrate assembly portion as a crease. Therefore, it is inevitable that a cut will occur at the boundary between the rear end edge of the lower plate portion of the fitting portion and the upper end edge of the front plate portion of the substrate assembly portion. If there is such a cut, noise leakage may occur and the shielding performance may be deteriorated.
  • the shield connector of the present disclosure has been completed based on the above circumstances, and an object thereof is to improve the shield performance.
  • the shielded connector of the present disclosure is The dielectric that houses the inner conductor and It is made of a metal plate and has an outer conductor surrounding the dielectric.
  • the outer conductor is The box-shaped body and It has a form protruding forward from the front wall portion of the main body portion, and has a hood portion into which a mating outer conductor is fitted.
  • the rear end portion of the hood portion and the front wall portion are seamlessly connected to each other so as to be conductive.
  • FIG. 1 is a perspective view of the shield connector of the first embodiment.
  • FIG. 2 is an exploded perspective view of the shield connector.
  • FIG. 3 is a side sectional view of the shield connector.
  • FIG. 4 is a side sectional view showing a state in which the shield connector and the mating connector are fitted.
  • FIG. 5 is a perspective view of the shield terminal.
  • FIG. 6 is a developed view of the outer conductor.
  • FIG. 7 is a side view of the outer conductor when the first conductor portion and the second conductor portion are in the pre-assembled form.
  • FIG. 8 is a front view of the outer conductor when the first conductor portion and the second conductor portion are in the pre-assembled form.
  • FIG. 9 is a perspective view of the outer conductor.
  • FIG. 10 is a side view of the outer conductor.
  • FIG. 11 is a front view of the outer conductor.
  • FIG. 12 is a bottom view of the outer conductor.
  • the shielded connector of the present disclosure is (1) A dielectric accommodating an inner conductor and an outer conductor made of a metal plate material and surrounding the dielectric are provided, and the outer conductor has a box-shaped main body portion and a front wall portion of the main body portion. It has a hood portion in which a mating outer conductor is fitted, and the rear end portion of the hood portion and the front wall portion are seamlessly connected to each other so as to be conductive.
  • the shield connector of the present disclosure connects the rear end portion of the hood portion and the front wall portion of the main body portion in a seamlessly conductive manner, noise at the boundary between the rear end portion of the hood portion and the front wall portion of the main body portion is generated. Leakage can be prevented. Therefore, according to the present disclosure, it is possible to improve the shielding performance.
  • the outer conductor has a connecting portion that protrudes from the front wall portion and is connected to the circuit board. According to this configuration, the length of the noise propagation path between the front end portion of the hood portion and the circuit board can be set to the shortest.
  • the hood portion extends horizontally from the upper surface portion, a pair of left and right side surface portions extending downward from the left and right side edges of the upper surface portion, and the pair of side surface portions.
  • the front wall portion has a pair of left and right front plate portions that abut against each other, and the front wall portion has a pair of left and right front plate portions that are individually connected to the pair of lower surface portions without a break, and the pair of left and right front plate portions are connected. It is preferable that the portions individually project from the pair of left and right front plate portions.
  • connection portion In the case where one connection portion is connected to only one of the left and right side surfaces, when noise from the outer conductor on the other side propagates to the side surface portion on the side not connected to the connection portion, the circuit is provided from the hood portion.
  • the noise propagation path to the substrate is long because it passes through the upper surface portion and the side surface portion on the side where the connection portion is connected.
  • the noise propagation path from the hood portion to the circuit board is short even when the noise propagated from the outer conductor on the other side to the hood portion is biased to either the left or right side surface portion. Become.
  • the pair of connecting portions are arranged side by side, and the outer conductor has a pair of left and right holding portions that hold the pair of left and right connecting portions so as to be in contact with each other. Is preferable. According to this configuration, a pair of connecting portions held in contact with each other constitutes one propagation path having a large cross-sectional area. As a result, even when the noise propagated from the outer conductor on the mating side to the hood portion is biased to either the left or right side plate portion, the noise can be effectively reduced.
  • the outer conductor includes a first conductor portion forming a part of the front wall portion, a second conductor portion forming a part of the front wall portion, and a rear end edge of the first conductor portion. It has a flexible connecting portion that connects the second conductor portion so as to be relatively displaceable, and the front wall portion of the first conductor portion is provided on at least one of the first conductor portion and the second conductor portion. It is preferable that an elastic locking portion that holds the constituent portion of the above and the constituent portion of the front wall portion of the second conductor portion in contact with each other is formed. According to this configuration, the elastic locking portion can keep the constituent portion of the front wall portion in the first conductor portion and the constituent portion of the front wall portion in the second conductor portion in contact with each other. This makes it possible to prevent noise from leaking from the front wall portion.
  • the outer conductor has a first conductor portion, a second conductor portion, and a flexible connecting portion that connects the first conductor portion and the second conductor portion so as to be relatively displaceable.
  • the 1 conductor portion extends from the first side plate portion constituting the hood portion, the first arc-shaped portion formed on the lower end edge of the first side plate portion and constituting the hood portion, and the first arc-shaped portion.
  • the second conductor portion has a lower plate portion constituting the hood portion, and the second conductor portion is formed on the second side plate portion constituting the main body portion and the front end edge of the second side plate portion to form the first arc-shaped portion.
  • It has a second arc-shaped portion that covers the outer peripheral surface of the first arc-shaped portion, and a second front plate portion that extends from the second arc-shaped portion to form the front wall portion, and has an outer peripheral surface of the first arc-shaped portion and the second arc-shaped portion. It is preferable that the inner peripheral surface of the arc-shaped portion has the same radius of curvature. According to this configuration, since there is no gap between the outer peripheral surface of the first arc-shaped portion and the inner peripheral surface of the second arc-shaped portion, noise leakage between the first arc-shaped portion and the second arc-shaped portion is prevented. can do.
  • the front-back direction is defined as the diagonally upper right side in FIGS. 1, 2, 5, and 9 and the right side in FIGS. 3, 4, 6, 7, 10, and 12.
  • the directions appearing in FIGS. 1 to 5, 7 to 11 are defined as upward and downward as they are.
  • the directions appearing in FIGS. 8 and 11 are defined as left and right as they are.
  • the left-right direction and the width direction are used interchangeably.
  • the shield connector A of the first embodiment functions as a shield connector for a board attached to the upper surface of the circuit board P.
  • the shield connector A has a housing 10 and a shield terminal 20.
  • the housing 10 is a single component made of synthetic resin having a square cylinder shape as a whole.
  • the housing 10 has a shape that penetrates in the front-rear direction.
  • a lower surface opening 11 connected to the opening on the rear surface is formed in the rear end side region on the lower surface of the housing 10.
  • the shield terminal 20 is housed in the housing 10.
  • a pair of metal pegs 12 are press-fitted attached to the left and right outer surfaces of the housing 10.
  • the shield terminal 20 is configured by assembling a pair of left and right inner conductors 21, a dielectric 25, and an outer conductor 30.
  • the inner conductor 21 is made by bending an elongated metal material into an L shape.
  • the dielectric 25 is a block-shaped component made of a synthetic resin material and having an L-shaped side view when viewed from the side.
  • the bent portion of the inner conductor 21 is housed in the dielectric 25.
  • the tab 22 of the inner conductor 21 projects forward from the front surface of the dielectric 25. From the lower surface of the dielectric 25, the substrate connecting portion 23 of the inner conductor 21 projects downward.
  • the outer conductor 30 is a single part formed by subjecting a metal plate material 30M (see FIG. 6) to bending, cutting, punching, and the like. As shown in FIGS. 6, 7 and 10, the outer conductor 30 structurally has a first conductor portion 31, a second conductor portion 32, and a flexible connecting portion 33. The first conductor portion 31 and the second conductor portion 32 are connected via a plastically deformable flexible connecting portion 33. The first conductor portion 31 and the second conductor portion 32 are assembled and contacted with each other from the pre-assembly form (see FIGS. 7 and 8) in which the flexible connecting portion 33 is used as a fulcrum and the positions are not in contact with each other.
  • the first conductor portion 31 includes an upper plate portion 34 elongated in the front-rear direction, a pair of symmetrical first side plate portions 35, and a pair of symmetrical first arc-shaped portions 36. It has a pair of left and right lower plate portions 37, a pair of symmetrical first front plate portions 38, and a pair of symmetrical first connecting portions 39.
  • the pair of first side plate portions 35 extend downward at right angles from the left and right side edges of the upper plate portion 34.
  • the front end side region of the first side plate portion 35 has a rectangular shape.
  • the rear end side region of the first side plate portion 35 has a shape such that the lower end edge gradually becomes lower toward the rear.
  • a locking hole 40 is formed in the pair of first side plate portions 35.
  • the pair of left and right first arc-shaped portions 36 are continuous with respect to the lower end edge of the pair of left and right first side plate portions 35 in the front end side region over the entire length from the front end to the rear end of the front end side region of the first side plate portion 35.
  • the first arc-shaped portion 36 has a quarter arc shape when the outer conductor 30 is viewed from the front.
  • the radius of curvature of the outer peripheral surface of the first arc-shaped portion 36 is set to a dimension sufficiently larger than the thickness dimension of the metal plate material 30M.
  • the pair of left and right lower plate portions 37 extend at right angles from the pair of left and right first arc-shaped portions 36 so as to approach each other.
  • the pair of left and right lower plate portions 37 are continuously connected to the pair of left and right first arc-shaped portions 36 from the front end to the rear end over the entire length.
  • a trapezoidal fitting convex portion 41 is formed on the extending end edge portion of one lower plate portion 37, and a trapezoidal fitting convex portion 41 is formed on the extending end edge portion of the other lower plate portion 37.
  • a fitting recess 42 is formed.
  • the pair of left and right first front plate portions 38 individually extend downward at right angles from the rear end edges of the pair of left and right lower plate portions 37. As shown in FIG. 7, the first front plate portion 38 is arranged at a position slightly forward of the rear end of the lower plate portion 37. As shown in FIGS. 8 and 11, the front view shape of the first front plate portion 38 is square. The formation range of the first front plate portion 38 in the left-right direction is a region on the center side of both the left and right first arc-shaped portions 36. The side edges of the pair of first front plate portions 38 abut against each other over the entire height from the upper end to the lower end of the first front plate portion 38. The pair of first front plate portions 38 are arranged side by side in a state of being flush with each other and in contact with each other so as to be conductive.
  • the pair of left and right first connecting portions 39 are individually projected downward from the lower end edges of the pair of left and right first front plate portions 38. As shown in FIGS. 7 to 9, the first connecting portion 39 is flush with the first front plate portion 38. As shown in FIGS. 8 and 11, the forming range of the first connecting portion 39 in the left-right direction is a region on the center side in the width direction with respect to the forming range of both the left and right first front plate portions 38. The width dimension of the first connecting portion 39 is smaller than the width dimension of the first front plate portion 38.
  • the pair of first connecting portions 39 are arranged side by side so as to be flush with each other. The pair of first connecting portions 39 are in conductive contact over the entire height from the upper end to the lower end of the first connecting portion 39.
  • the second conductor portion 32 includes a rear plate portion 43, a pair of symmetrical second side plate portions 44, a pair of symmetrical second arc-shaped portions 45, and a pair of symmetrical portions. It has a second front plate portion 46, a pair of symmetrical second connecting portions 47, and a pair of symmetrical elastic locking portions 48.
  • the vertical direction and the front-rear direction will be described as assuming that the first conductor portion 31 and the second conductor portion 32 are relatively displaced to the assembled complete form.
  • the rear plate portion 43 When the outer conductor 30 is viewed from the rear, the rear plate portion 43 is rectangular. As shown in FIG. 6, the upper end edge of the rear plate portion 43 is connected to the rear end edge of the upper plate portion 34 of the first conductor portion 31 via a flexible connecting portion 33 elongated in the left-right direction. As shown in FIG. 9, the rear plate portion 43 is arranged so as to close the opening on the rear surface of the first conductor portion 31.
  • the pair of second side plate portions 44 extend forward at right angles from the left and right side edges of the rear plate portion 43.
  • the second side plate portion 44 has a size and shape that covers the entire rear end side region of the first side plate portion 35 from the outer surface side.
  • the pair of second side plate portions 44 are formed with locking projections 49 protruding toward the inner surface of the second side plate portions 44.
  • the pair of second connecting portions 47 on the front side project downward from the lower end edge of the second side plate portion 44 on the left side and the lower end edge of the second side plate portion 44 on the right side, and are arranged at the same position in the front-rear direction.
  • the pair of second connecting portions 47 on the front side are arranged behind the front end of the second side plate portion 44.
  • the pair of second connecting portions 47 on the rear side project downward from the lower end edge of the second side plate portion 44 on the left side and the lower end edge of the second side plate portion 44 on the right side, and are positioned at the same position in the front-rear direction.
  • the pair of second connecting portions 47 on the rear side are arranged at positions behind the second connecting portion 47 on the front side and in front of the rear end of the second side plate portion 44.
  • the pair of left and right second arc-shaped portions 45 are continuous from the upper end to the lower end with respect to the lower end side region of the front end edge of the pair of left and right second side plate portions 44.
  • the second arc-shaped portion 45 has a quarter arc shape when the outer conductor 30 is viewed from below.
  • the radius of curvature of the inner peripheral surface of the second arc-shaped portion 45 is set to the same dimension as the radius of curvature of the outer peripheral surface of the first arc-shaped portion 36.
  • the upper end portion of the second arc-shaped portion 45 functions as a covering portion 50 that covers the rear end portion of the first arc-shaped portion 36 from the outside.
  • the upper end edge of the covering portion 50 is curved so as to gradually rise from the center in the width direction toward the outer surface of the second side plate portion 44.
  • the upper end edge of the covering portion 50 is curved so as to gradually rise from the front end to the rear end.
  • the curved upper end edge of the covering portion 50 is in conductive contact with the outer peripheral surface of the rear end portion of the first arc-shaped portion 36.
  • the pair of left and right second front plate portions 46 extend at right angles from the pair of left and right second arc-shaped portions 45 so as to approach each other. As shown in FIGS. 2 and 8, the extending ends of the pair of second front plate portions 46 are in a positional relationship facing each other in the left-right direction in a non-contact state with a gap from each other. The upper end edges of the pair of second front plate portions 46 are in close contact with the lower surface of the rear end portions of the pair of lower plate portions 37 without a gap. The portion of the pair of second front plate portions 46 on the extending end side is arranged so as to overlap the rear surface of the pair of first front plate portions 38 in a face-to-face manner. The portion of the pair of second front plate portions 46 on the side of the second arcuate portion 45 is located outward in the width direction with respect to the first front plate portion 38.
  • the pair of left and right elastic locking portions 48 individually extend from the lower end edges of the pair of left and right second front plate portions 46.
  • the elastic locking portion 48 is connected to a region of the lower end edge of the first front plate portion 38 where the first connecting portion 39 is not formed, that is, a region outside the first connecting portion 39 in the width direction.
  • the elastic locking portion 48 has a curved portion 51 and a contact portion 52.
  • the curved portion 51 has a semicircular shape curved so as to bulge downward in a side view, and protrudes from the lower end edge of the second front plate portion 46 to the front of the second front plate portion 46.
  • the front end edge of the curved portion 51 is located in front of the front surface of the first front plate portion 38.
  • the contact portion 52 has a shape that is bent so as to bulge rearward in a side view, and protrudes upward from the front end edge of the curved portion 51 in a cantilever shape.
  • the contact portion 52 is in contact with the front surface of the first front plate portion 38 in a state where the curved portion 51 is elastically deformed.
  • the minimum distance between the second front plate portion 46 and the contact portion 52 in the front-rear direction is , It is set smaller than the plate thickness dimension of the first front plate portion 38. Therefore, the second front plate portion 46 and the elastic locking portion 48 elastically sandwich the first front plate portion 38 from the front-rear direction in a state where the elastic locking portion 48 is elastically deformed.
  • the front surface of the second front plate portion 46 is elastically in contact with the rear surface of the first front plate portion 38, and the contact point of the elastic locking portion 48.
  • the portion 52 is elastically in contact with the front surface of the first front plate portion 38.
  • the curved portion 51 of the pair of elastic locking portions 48 is elastically deformed so as to expand outward in the width direction of the pair of second side plate portions 44 with respect to the upper end portions of the pair of first connecting portions 39. It is elastically abutted so as to be sandwiched in the width direction. Due to the elastic restoring force of the second side plate portion 44, the pair of elastic locking portions 48 elastically press the pair of first front plate portions 38 and the pair of first connecting portions 39 toward the center side in the width direction. The pair of first front plate portions 38 are held in contact with each other and the pair of first connecting portions 39 are held in contact with each other by the elastic pressing force applied from the elastic locking portion 48. .. Since there is a space in the width direction between the pair of second front plate portions 46, the elastic restoring force of the second side plate portion 44 is reliable with respect to the first front plate portion 38 and the first connection portion 39. Acts on.
  • the outer conductor 30 functionally has a rectangular main body portion 60 having an open lower surface and a square cylindrical hood portion 65 protruding forward from the upper end side region of the main body portion 60. And have.
  • the main body portion 60 has a front wall portion 61, an upper wall portion 62, a pair of left and right side wall portions 63, and a rear wall portion 64.
  • the main body portion 60 is composed of a part of the first conductor portion 31 and the whole of the second conductor portion 32.
  • the main body 60 is a pair of a rear end side region of the upper plate portion 34, a rear end side region of the pair of first side plate portions 35, a pair of second side plate portions 44 as a whole, and a rear plate portion 43 as a whole.
  • the whole of the first front plate portion 38, the whole of the pair of second arc-shaped portions 45, and the whole of the pair of second front plate portions 46 are included.
  • the upper wall portion 62 is composed of a rear end side region of the upper plate portion 34.
  • the pair of side wall portions 63 includes a rear end side region in the pair of first side plate portions 35, the entire pair of second side plate portions 44, and an end edge connected to the second side plate portion 44 of the pair of second arc-shaped portions 45. It is configured with a part.
  • the rear wall portion 64 is composed of a rear plate portion 43.
  • the front wall portion 61 is an end edge portion connected to the entire pair of first front plate portions 38, the entire pair of second front plate portions 46, and the pair of second arc-shaped portions 45 to the second front plate portion 46. It is configured with and.
  • the second front plate portion 46 is in contact with the rear surface of the first front plate portion 38 so as to overlap with the rear surface of the first front plate portion 38 due to the elasticity of the elastic locking portion 48.
  • the central portion of the front wall portion 61 in the width direction is composed of a pair of first front plate portions 38 and a part of a pair of second front plate portions 46. Both ends of the front wall portion 61 in the width direction are composed of a pair of second front plate portions 46 and a pair of front end portions of the second arc-shaped portion 45.
  • the pair of first connection portions 39 protrude downward from the lower end edge of the front wall portion 61 in a state of being integrated side by side so as to be conductive.
  • the first connection portion 39 is arranged in front of the two pairs of second connection portions 47.
  • the pair of first connecting portions 39 is located at the front end of the main body portion 60, like the front wall portion 61.
  • the hood portion 65 is composed of a part of the first conductor portion 31.
  • the second conductor portion 32 does not form the hood portion 65.
  • the region of the outer conductor 30 in front of the front wall portion 61 of the main body portion 60 is defined as the hood portion 65.
  • the hood portion 65 has a form protruding forward from the front wall portion 61, and is arranged above the front wall portion 61.
  • the hood portion 65 includes an upper surface portion 66, a pair of left and right side surface portions 67, a lower surface portion 68, and a pair of left and right first arc-shaped portions 36.
  • the upper surface portion 66 is composed of a front end side region of the upper plate portion 34.
  • the pair of side surface portions 67 is composed of a front end side region in the pair of first side plate portions 35.
  • the pair of first arcuate portions 36 are arranged along the lower end edges of the pair of side surface portions 67.
  • the pair of lower surface portions 68 is composed of a region of the pair of lower plate portions 37 excluding the rear end portion.
  • the rear end portion of the hood portion 65 and the upper end portion of the front wall portion 61 are connected so as to be conductive and at a right angle without a gap.
  • the rear end portion of the lower surface portion 68 constituting the hood portion 65 and the upper end portion of the first front plate portion 38 constituting the front wall portion 61 are formed as an integral portion without a cut or a gap.
  • the rear end portion of the lower surface portion 68 and the upper end portion of the second front plate portion 46 constituting the front wall portion 61 are formed as different portions through a cut, but are in contact with each other so as to be conductive without a gap.
  • the rear end of the outer peripheral surface of the first arc-shaped portion 36 constituting the hood portion 65 and the upper end portion of the second arc-shaped portion 45 constituting the main body portion 60 are formed as different portions through the cut, but there is no gap. They are in contact with each other so that they can conduct.
  • the shield terminal 20 is assembled as follows.
  • the outer conductor 30 is formed by bending the metal plate material 30M or the like, and as shown in FIG. 7, the first conductor portion 31 and the second conductor portion 32 are in the pre-assembled form.
  • the hood portion 65 is molded into the final shape, but the molding of the main body portion 60 is incomplete.
  • the second conductor portion 32 is arranged so as to line up behind the first conductor portion 31 via the flexible connecting portion 33, and the rear plate portion 43 is at the same height as the upper plate portion 34. Arranged side by side.
  • the dielectric 25 to which the inner conductor 21 is assembled is housed in the first conductor portion 31 and the second conductor portion 32 from below the outer conductor 30.
  • the inner conductor 21 and the dielectric 25 are slid forward, and the front end side portion of the dielectric 25 and the tab 22 of the inner conductor 21 are housed in the hood portion 65.
  • the second conductor portion 32 is rotated forward by 90 ° with the flexible connecting portion 33 as a fulcrum, and the second conductor portion 32 is rotated to the assembled complete form and assembled to the first conductor portion 31.
  • the second side plate portion 44 overlaps the outer surface of the first side plate portion 35, and the second front plate portion 46 and the elastic locking portion 48 are attached to the first front plate portion 38 and the first connection portion 39.
  • it approaches while drawing an arc-shaped locus.
  • the tip portion of the contact portion 52 of the elastic locking portion 48 is formed at the lower end portion of the first connection portion 39, and the guide portion 69 (see FIG. 8). Contact with.
  • the curved portion 51 of the pair of elastic locking portions 48 is in sliding contact with the pair of guide portions 69, so that the pair of second side plate portions 44 expands. Elastically deforms to.
  • the elastic locking portion 48 passes through the guide portion 69, the curved portion 51 slides into a region of the side edge of the first connection portion 39 above the guide portion 69.
  • the contact portion 52 comes into contact with the lower end portion of the first front plate portion 38.
  • the contact portion 52 is in sliding contact with the front surface of the first front plate portion 38 while the elastic locking portion 48 is elastically deformed.
  • the molding of the outer conductor 30 is completed, and at the same time, the outer conductor 30, the dielectric 25, and the inner conductor 21 are assembled to assemble the shield terminal 20. Is completed.
  • the first conductor portion 31 and the second conductor portion 32 are held in the assembled complete form by locking the locking hole 40 and the locking projection 49.
  • the substrate connection portion 23 of the inner conductor 21 projects downward from the open lower surface of the main body portion 60.
  • the first connection portion 39 and the second connection portion 47 project downward from the lower end of the main body portion 60.
  • the shield terminal 20 assembled as described above is assembled to the housing 10 from the rear.
  • the shield connector A is configured by attaching the shield terminal 20 to the housing 10.
  • the main body 60 is exposed to the lower surface opening 11 of the housing 10. From the lower surface opening 11, the substrate connecting portion 23 of the inner conductor 21 and the first connecting portion 39 and the second connecting portion 47 of the outer conductor 30 project downward.
  • the shield connector A is mounted with the housing 10 mounted on the upper surface of the circuit board P (not shown).
  • the housing 10 is fixed to the circuit board P by soldering the pegs 12 to the circuit board P.
  • the substrate connection portion 23 of the inner conductor 21 and the first connection portion 39 and the second connection portion 47 of the outer conductor 30 are inserted into through holes (not shown) of the circuit board P and fixed so as to be conductive by soldering. ..
  • the mating side outer conductor S of the mating side connector B is conductively fitted to the hood portion 65.
  • the shield connector A of the first embodiment includes a dielectric 25 that accommodates the inner conductor 21 and an outer conductor 30 that is made of a metal plate material 30M and surrounds the dielectric 25.
  • the outer conductor 30 has a box-shaped main body portion 60 and a hood portion 65 into which the mating outer conductor S is fitted.
  • the hood portion 65 has a form of protruding forward from the upper end side region of the front wall portion 61 of the main body portion 60.
  • the rear end portion of the hood portion 65 and the front wall portion 61 of the main body portion 60 are seamlessly connected to each other so as to be conductive. Since the shield connector A of the first embodiment uses the outer conductor 30 made of the metal plate material 30M, the cost can be suppressed as compared with the one using the outer conductor made of die-cast.
  • the hood portion 65 needs to be arranged on the outer surface of the outer conductor 30 because the mating outer conductor S is fitted.
  • the front wall portion 61 of the main body portion 60 on which the hood portion 65 protrudes is also arranged on the outer surface of the outer conductor 30 as in the hood portion 65.
  • the shield connector A of the first embodiment continuously connects the rear end portion of the hood portion 65 and the front wall portion 61 so as to be conductive, the shield connector A at the boundary between the rear end portion of the hood portion 65 and the front wall portion 61. It is possible to prevent noise leakage. Therefore, according to the shield connector A of the first embodiment, it is possible to improve the shield performance.
  • the noise propagation path between the front end portion of the hood portion 65 and the circuit board P is a first propagation path from the rear end portion of the hood portion 65 via the front wall portion 61 and the first connection portion 39, and the hood portion 65. It is composed of a second propagation path from the rear end portion via the side wall portion 63 and the second connecting portion 47.
  • the creepage distance between the first connection portion 39 and the rear end portion of the hood portion 65 is shorter than the creepage distance between the second connection portion 47 and the rear end portion of the hood portion 65. Therefore, the first propagation path having the first connection portion 39 constitutes the shortest propagation path of noise between the rear end portion of the hood portion 65 and the circuit board P.
  • the hood portion 65 extends horizontally from the upper surface portion 66, the pair of left and right side surface portions 67 extending downward from the left and right side edges of the upper surface portion 66, and the pair of side surface portions 67, and abuts the extending ends against each other. It has a pair of left and right lower surface portions 68.
  • the front wall portion 61 has a pair of left and right first front plate portions 38 that are individually and seamlessly connected to the pair of lower surface portions 68.
  • the pair of left and right first connecting portions 39 individually project from the pair of left and right first front plate portions 38.
  • the noise propagated from the mating side outer conductor S to the hood portion 65 propagates to the side surface portion 67 on the side not connected to the connection portion.
  • the noise propagation path from the hood portion 65 to the circuit board P becomes longer because it passes through the upper surface portion 66 and the side surface portion 67 on the side where the connection portion is connected.
  • the shield connector A of the first embodiment even when the noise propagated from the mating outer conductor S to the hood portion 65 is biased to either the left or right side surface portion 67, the circuit board is propagated from the hood portion 65 to the circuit board.
  • the noise propagation path to P becomes shorter.
  • a pair of first connection portions 39 are arranged side by side.
  • the outer conductor 30 has a pair of left and right elastic locking portions 48.
  • the pair of elastic locking portions 48 also have a function as a holding portion for holding the pair of left and right first connecting portions 39 so as to be in contact with each other.
  • the pair of first connecting portions 39 held in contact with each other constitutes one conduction path having a wide cross section. Therefore, even when the noise propagated from the mating outer conductor S to the hood portion 65 is biased to either the left or right side surface portion 67, the noise can be effectively reduced.
  • the outer conductor 30 has a first conductor portion 31, a second conductor portion 32, and a flexible connecting portion 33.
  • the first conductor portion 31 constitutes a part of the front wall portion 61.
  • the second conductor portion 32 constitutes a part of the front wall portion 61.
  • the flexible connecting portion 33 connects the trailing end edge of the first conductor portion 31 and the second conductor portion 32 so as to be relatively displaceable.
  • An elastic locking portion 48 is formed on the second conductor portion 32.
  • the elastic locking portion 48 includes a first front plate portion 38 which is a constituent portion of the front wall portion 61 in the first conductor portion 31 and a second front plate portion which is a constituent portion of the front wall portion 61 in the second conductor portion 32. Keep in contact with 46. Since the elastic locking portion 48 can hold the first front plate portion 38 and the second front plate portion 46 in contact with each other, it is possible to prevent noise from leaking from the front wall portion 61.
  • the outer conductor 30 has a first conductor portion 31, a second conductor portion 32, and a flexible connecting portion 33 that connects the first conductor portion 31 and the second conductor portion 32 so as to be relatively displaceable.
  • the first conductor portion 31 has a pair of first side plate portions 35 constituting the hood portion 65, a pair of first arc-shaped portions 36, and a pair of lower plate portions 37.
  • the pair of first arc-shaped portions 36 is formed on the lower end edge of the first side plate portion 35 to form the hood portion 65.
  • the pair of lower plate portions 37 extend from the first arc-shaped portion 36 to form the hood portion 65.
  • the second conductor portion 32 has a pair of second side plate portions 44 constituting the main body portion 60, a pair of second arc-shaped portions 45, and a pair of second front plate portions 46.
  • the pair of second arc-shaped portions 45 is formed on the front end edge of the second side plate portion 44 and covers the outer peripheral surface of the first arc-shaped portion 36.
  • the pair of second front plate portions 46 extend from the second arc-shaped portion 45 to form the front wall portion 61.
  • the radius of curvature of the outer peripheral surface of the first arc-shaped portion 36 and the radius of curvature of the inner peripheral surface of the second arc-shaped portion 45 are the same in the front view viewed parallel to the length direction of the first arc-shaped portion 36.
  • the connecting portion protrudes from the front wall portion, but the connecting portion may be arranged only in the region behind the front wall portion.
  • the pair of connecting portions (first leg portions) are arranged side by side, but the pair of connecting portions may be in contact with each other in a state of being overlapped in the front-rear direction.
  • the elastic locking portion is formed only on the second conductor portion, but the elastic locking portion may be formed only on the first conductor portion, and may be formed on both the first conductor portion and the second conductor portion. It may be formed.
  • Fitting convex portion 42 Fitting concave portion 43 ... Rear plate portion 44 ... Second side plate portion 45 ... Second arc-shaped portion 46 ... Second front plate portion (front wall portion in the second conductor portion) Components) 47 ... Second connection portion 48 ... Elastic locking portion (holding portion) 49 ... Locking protrusion 50 ... Covering part 51 ... Curved part 52 ... Contact part 60 ... Main body part 61 ... Front wall part 62 ... Upper wall part 63 ... Side wall part 64 ... Rear wall part 65 ... Hood part 66 ... Top surface part 67 ... Side surface portion 68 ... Bottom surface portion 69 ... Guidance portion

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
PCT/JP2021/036478 2020-10-22 2021-10-01 シールドコネクタ Ceased WO2022085397A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US18/031,142 US20230387633A1 (en) 2020-10-22 2021-10-01 Shield connector
CN202180068377.9A CN116325381A (zh) 2020-10-22 2021-10-01 屏蔽连接器

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JP2020177468A JP7494698B2 (ja) 2020-10-22 2020-10-22 シールドコネクタ
JP2020-177468 2020-10-22

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JP2022189573A (ja) * 2021-06-11 2022-12-22 矢崎総業株式会社 基板用コネクタ
JP7606661B2 (ja) * 2021-07-05 2024-12-26 株式会社オートネットワーク技術研究所 基板用コネクタおよび機器
CN117613609B (zh) * 2024-01-23 2024-04-02 成都速易联芯科技有限公司 一种半包裹式屏蔽板结构的高速连接器
JP2025164394A (ja) * 2024-04-19 2025-10-30 住友電装株式会社 シールドコネクタ

Citations (3)

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JPH10189177A (ja) * 1996-12-26 1998-07-21 Dai Ichi Denshi Kogyo Kk 電気コネクタ
JP2018006152A (ja) * 2016-07-01 2018-01-11 株式会社オートネットワーク技術研究所 シールドコネクタ
JP2020140787A (ja) * 2019-02-27 2020-09-03 住友電装株式会社 外導体端子及びシールドコネクタ

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KR102491486B1 (ko) * 2016-04-28 2023-01-20 엘에스엠트론 주식회사 리셉터클 커넥터 및 리셉터클 커넥터 제조방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10189177A (ja) * 1996-12-26 1998-07-21 Dai Ichi Denshi Kogyo Kk 電気コネクタ
JP2018006152A (ja) * 2016-07-01 2018-01-11 株式会社オートネットワーク技術研究所 シールドコネクタ
JP2020140787A (ja) * 2019-02-27 2020-09-03 住友電装株式会社 外導体端子及びシールドコネクタ

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