WO2024127885A1 - Connecteur blindé - Google Patents

Connecteur blindé Download PDF

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Publication number
WO2024127885A1
WO2024127885A1 PCT/JP2023/040946 JP2023040946W WO2024127885A1 WO 2024127885 A1 WO2024127885 A1 WO 2024127885A1 JP 2023040946 W JP2023040946 W JP 2023040946W WO 2024127885 A1 WO2024127885 A1 WO 2024127885A1
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WO
WIPO (PCT)
Prior art keywords
housing
wiring board
connector
electrically connected
cross
Prior art date
Application number
PCT/JP2023/040946
Other languages
English (en)
Japanese (ja)
Inventor
英二 青樹
邦彦 山田
隆至 永田
旬記 江間
和起 服部
Original Assignee
矢崎総業株式会社
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 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Publication of WO2024127885A1 publication Critical patent/WO2024127885A1/fr

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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
    • 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

Definitions

  • the present invention relates to a shielded connector for high-speed signal transmission that is equipped with a shield shell that blocks electromagnetic noise (hereinafter referred to as "noise").
  • Patent Document 1 One such type of shielded connector is described in Patent Document 1.
  • the connector described in Patent Document 1 is attached to a board and includes a base, a number of connection terminals fixed to the base, a first protrusion, a second protrusion, and a cylindrical housing (case) formed from a conductive metal plate.
  • the connection terminals and base are housed and protected inside the housing, and noise radiation from the tip of the housing is suppressed by the first protrusion and second protrusion connected to the tip of the housing.
  • the distance of the conductive path through which noise flows from the connection terminal to the tip of the first protrusion and the tip of the second protrusion is longer than the distance of the conductive path through which noise flows from the connection terminal to the board, making it difficult to sufficiently suppress noise.
  • an electronic control unit (ECU) equipped with a connector such as that described in Patent Document 1 is installed in a vehicle, when the vehicle passes near a weather radar or military radar, it is conceivable that communication problems will occur due to noise from the strong electric field.
  • the present invention was made in consideration of these problems.
  • the object of the present invention is to provide a shielded connector that can sufficiently prevent noise generated around the terminals of the electric wire from penetrating into the inside of the housing, and can prevent the effects of external strong electric field noise, enabling stable communication.
  • a shielded connector comprises a shield shell that is electrically connected to a shield terminal of a mating connector on one side and is installed on a wiring board housed in a housing on the other side, a housing that houses the shield shell, and an earth piece that is electrically connected to the shield shell and is earthed to a wall surface of the housing, the shield shell having a connection part that is electrically connected to the earth piece, and a first cross-sectional area of the connection part is larger than a second cross-sectional area of a portion of the connection part that is closer to the wiring board than the wiring board.
  • the present invention provides a shielded connector that can adequately prevent noise generated around the terminals of the electric wire from penetrating into the housing, and can prevent the effects of strong external electric field noise, enabling stable communication.
  • FIG. 1 is a perspective view illustrating an example of a shield connector according to an embodiment.
  • FIG. 2 is a perspective view of a female connector of the shielded connector according to the embodiment.
  • FIG. 3 is a perspective view of a male connector of the shielded connector according to the embodiment.
  • FIG. 4 is an exploded perspective view of a female connector of the shielded connector according to the embodiment.
  • FIG. 5 is an exploded perspective view of a male connector of the shielded connector according to the embodiment.
  • FIG. 6 is a perspective view of the shield connector according to the embodiment mounted on a wiring board.
  • FIG. 7A is a cross-sectional view showing a state in which the shield connector according to the embodiment is housed in a housing.
  • FIG. 7B is an enlarged cross-sectional view of a main part of the shield connector according to the embodiment when it is housed in a housing.
  • FIG. 1 is a perspective view showing an example of a shielded connector 1 according to an embodiment.
  • FIG. 2 is a perspective view of a female connector 10 of the shielded connector 1.
  • FIG. 3 is a perspective view of a male connector 20 of the shielded connector 1.
  • FIG. 4 is an exploded perspective view of the female connector 10.
  • FIG. 5 is an exploded perspective view of the male connector 20.
  • FIG. 6 is a perspective view of the shielded connector 1 mounted on a wiring board 40.
  • FIG. 7A is a cross-sectional view showing the shielded connector 1 housed in a housing 2.
  • FIG. 7B is an enlarged cross-sectional view of the main parts of the shielded connector 1 housed in a housing 2.
  • the shielded connector 1 is a high-speed transmission connector for high-speed signal transmission with an electromagnetic shielding structure, and includes a female connector (mating connector) 10 and a male connector (connector) 20 that mates with the female connector 10.
  • the terminal 17a of a shielded electric wire 17, which is an STP (Shielded Twisted Pair) electric wire is connected to the female connector 10.
  • the male connector 20 is installed on the upper surface 40a of a wiring board 40 housed in a housing 2.
  • the shielded connector 1, the wiring board 40, the housing 2, and a communication device (not shown) housed in the housing 2 constitute a communication system device A.
  • the female connector 10 includes an outer housing (mating housing) 11, an outer terminal 12, an inner housing 13, a female inner terminal 14, an alignment part 15, an inner sleeve 16A, and an outer sleeve 16B.
  • the outer housing 11 is made of synthetic resin and has a rectangular cylindrical shape, and has a terminal accommodating portion 11a that accommodates the outer terminal 12, which is a shield terminal.
  • a lock arm 11c is provided on the upper surface 11b of the outer housing 11 to maintain the mated state when mated with the male connector 20.
  • the lock arm 11c is provided with a protruding engaging portion 11d.
  • the metallic outer terminal 12 which is a shield terminal, is formed into a cylindrical shape by sheet metal processing using a sheet metal material.
  • the outer terminal 12 has a cylindrical housing accommodating portion 12a as a shield connection portion that accommodates the inner housing 13 and the matching part 15.
  • the outer terminal 12 has a pair of braided crimping pieces 12b that crimp and connect the braided tube 19 exposed when a portion of the sheath 17B of the shielded electric wire 17 is cut away, and a pair of sheath crimping pieces 12c that crimp and connect the sheath 17B of the shielded electric wire 17.
  • the braided crimping piece 12b crimps the metallic inner sleeve 16A which is crimped to the outer periphery of the braided tube 19 exposed from the sheath 17B. Furthermore, the braided crimping piece 12b also crimps and connects the braided tube 19b which is folded back at the fold back portion 19a and covers the outer periphery of the inner sleeve 16A. The braided crimping piece 12b is crimped to the outer periphery of the inner sleeve 16A via the braided tube 19b which is folded back at the fold back portion 19a.
  • the braided tube 19b which is folded back at the fold back portion 19a is clamped between the braided crimping piece 12b and the inner sleeve 16A, and is held by the metallic hexagonal cylindrical outer sleeve 16B, so that the outer terminal 12 and the braided tube 19 are electrically connected.
  • the pair of braid crimping pieces 12b and the pair of sheath crimping pieces 12c are shown in a crimped shape.
  • the inner housing 13 is made of synthetic resin and formed into an elliptical cylinder. Inside the inner housing 13, a pair of left and right terminal accommodating chambers 13a are provided, into which female inner terminals 14 connected to the ends 17a of the shielded electric wires 17 are inserted. The female inner terminals 14 accommodated in each terminal accommodating chamber 13a are held by locking portions (not shown). At the center of the rear sides of the upper and lower surfaces 13b and 13c of the inner housing 13, engagement grooves 13d are formed, into which a pair of upper and lower engagement protrusions 15b of a synthetic resin matching part 15, described later, are press-fitted.
  • the metallic female inner terminal 14 has a contact portion 14a at one end to which the male inner terminal 29 of the male connector 20 is connected, and a pair of core wire crimping pieces 14b at the other end to which the core wire 18a exposed from the insulating coating 18b of the inner wire 18 of the shielded wire 17 is connected. Note that in the female inner terminal 14 shown in Figure 4, the pair of core wire crimping pieces 14b are shown in a crimped shape.
  • the synthetic resin matching part 15 is a dielectric for impedance adjustment, and is interposed between the inner housing 13 and the inner sleeve 16A to suppress impedance mismatching and improve the transmission performance of the female connector 10.
  • the matching part 15 is formed in a cylindrical shape with a pair of insertion holes 15a through which the untwisted parts of the two internal electric wires 18 crimped and connected to the female inner terminal 14 are inserted.
  • a pair of upper and lower engagement protrusions (engagement parts) 15b protrude from the front center of the matching part 15, which are pressed into a pair of upper and lower engagement grooves 13d of the inner housing 13.
  • the engagement grooves 13d and the engagement protrusions 15b form an engagement part that integrates the inner housing 13 and the matching part 15.
  • the matching part 15 may be made of a metal member, which is a conductor, instead of a synthetic resin member, which is a dielectric.
  • the metal inner sleeve 16A is formed in a C-shaped plate shape before being crimped, and is attached by crimping to the outer circumference of the braided tube 19 exposed by removing a portion of the sheath 17B of the shielded electric wire 17.
  • the braided tube 19b folded back at the fold back portion 19a is positioned adjacent to the front end edge of the sheath crimping piece 12c from the inner front side of the braided crimping piece 12b when it is crimped by the braided crimping piece 12b of the outer terminal 12.
  • the braided tube 19 is folded back at the fold back portion 19a at the front end portion 16a of the inner sleeve 16A, which is crimped into a cylindrical shape.
  • the braided tube 19b folded back at the fold back portion 19a covers the outer circumference of the cylindrical inner sleeve 16A.
  • the braided crimping piece 12b and the sheath crimping piece 12c are covered and held by the outer sleeve 16B. Noise generated at the point where the braided tube 19 is crimped by the braided crimp piece 12b enters the housing 2 through the opening 7 provided in the cover 6 of the housing 2 that houses the wiring board 40.
  • the shielded electric wire 17 comprises two twisted internal electric wires 18, a metallic braided tube 19 that covers the two internal electric wires 18 via a shielding foil 17A, and a sheath 17B that is an external coating made of synthetic resin and covers the braided tube 19.
  • each internal electric wire 18 has a metallic core wire 18a and a synthetic resin insulating coating 18b that covers the core wire 18a.
  • the two internal electric wires 18 exposed from the insulating coating 18b at the terminal 17a side of the shielded electric wire 17 are untwisted.
  • a pair of core wire crimping pieces 14b are crimped and connected to the core wire 18a exposed from the insulating coating 18b by crimping.
  • the male connector 20 comprises a synthetic resin outer housing (housing) 21, a metal shield shell 24, an inner housing 28, a male inner terminal 29, and a pair of metal earth pieces 30.
  • the outer housing 21 is formed in a rectangular tube shape from synthetic resin. As shown in Figures 1, 7A, and 7B, the outer housing 21 accommodates and fits the female outer housing 11 on the upper side, and the main body 25 of the shield shell 24 on the lower side. As shown in Figures 3 and 5, a locking portion 21a is formed on the upper edge of the inner surface of the outer housing 21. As shown in Figure 7A, when the female connector 10 and the male connector 20 are mated, the locking portion 11d of the lock arm 11c of the female connector 10 and the locking portion 21a of the outer housing 21 of the male connector 20 are locked together, and the mated state of the female connector 10 and the male connector 20 is maintained.
  • the outer housing 21 has long groove-shaped slits 22 extending in the up-down direction on a pair of opposing side portions 21b. Stabilizer portions (protrusions) 27 of the shield shell 24, described later, are inserted into the pair of slits 22. One end (the base portion 26 side of the shield shell 24) of each slit 22 is open.
  • the outer housing 21 has a frame portion 23 adjacent to each slit 22 into which a rectangular plate-shaped insertion portion 31 of an earth piece 30, described later, is inserted. Each frame portion 23 protrudes in a bridge shape (concave shape) from both ends of the side portion 21b of the outer housing 21.
  • the insertion portion 31 of the earth piece 30 is inserted between the side portion 21b and the frame portion 23.
  • the shield shell 24 is a conductive electromagnetic shield. As shown in Figures 7A and 7B, the upper side (one side) of the shield shell 24 is electrically connected to the outer terminal 12, which is the shield terminal of the female connector 10, and the lower side (other side) is installed on the wiring board 40 housed in the housing 2.
  • the shield shell 24 has an elliptical cylindrical (tubular) main body portion 25 in which the outer terminal 12 of the female connector 10 is housed and electrically connected, and a rectangular parallelepiped base portion 26 installed on the wiring board 40.
  • the main body 25 has a connection portion 25a electrically connected to the earth piece 30.
  • the main body 25 also has a stabilizer portion 27 extending in the vertical direction, which protrudes laterally from the connection portion 25a to increase the cross-sectional area (first cross-sectional area S1) of the connection portion 25a.
  • the main body 25 has a narrowed portion 25b having a cross-sectional area (second cross-sectional area S2) that is reduced from the first cross-sectional area in a portion closer to the base portion 26 (wiring board 40) than the connection portion 25a.
  • the main body 25 of the shield shell 24 is formed such that the first cross-sectional area S1 of the connection portion 25a and the stabilizer portion 27 is larger than the second cross-sectional area S2 of the narrowed portion 25b, which is the portion closer to the base portion 26 (wiring board 40) than the connection portion 25a.
  • the first cross-sectional area S1 and the second cross-sectional area S2 are cross-sectional areas perpendicular to the axial direction of the shield shell 24 (main body 25).
  • the base portion 26 is formed with a housing accommodating portion 26a for accommodating the inner housing 28 so as to communicate with the main body portion 25.
  • Cylindrical leg portions 26b for grounding are provided protruding from the center of the bottom surface of the base portion 26 to the four rear corners.
  • the front surface of the synthetic resin inner housing 28 is formed into an elliptical cylinder. Inside the inner housing 28, a pair of terminal accommodating chambers 28a into which male inner terminals 29 are inserted are provided.
  • the metallic male inner terminal 29 is formed from a conductive rod-shaped member. As shown in FIG. 7B, the male inner terminal 29 has a tip end 29a connected to the contact portion 14a of the female inner terminal 14 and a base end 29b connected to the wiring board 40. As shown in FIG. 7B, when the male connector 20 is mounted on the wiring board 40, the base end 29b of the male inner terminal 29 is inserted into a communication circuit hole 42, which serves as a through-hole for communication in the wiring board 40, and connected by soldering.
  • the earth piece 30 is formed from a conductive plate material. As shown in Figs. 5, 7A, and 7B, the earth piece 30 is an elastic spring piece that is electrically connected to the shield shell 24 and is earthed to the lower surface (wall surface) 6b of the lid body 6 of the housing 2.
  • the earth piece 30 has a rectangular plate-shaped insertion portion 31 that is inserted into the frame portion 23, and a rectangular plate-shaped inclined portion 32 that is bent outward in a V-shape from the upper edge of the insertion portion 31.
  • the inclined portion 32 is provided with a convex contact portion 33.
  • the contact portion 33 is pressed against and comes into contact with the lower surface 6b of the lid body 6 of the housing 2, so that the earth piece 30 is electrically connected to the lid body 6.
  • the insertion portion 31 is inserted into the frame portion 23, so that the insertion portion 31 comes into contact with the stabilizer portion 27, and the earth piece 30 is electrically connected to the shield shell 24.
  • L1 is the distance of the first conductive path through which noise flows from the contact T between the outer terminal 12 and the stabilizer portion 27 to each contact portion 33 of the pair of earth pieces 30 that contact the underside 6b of the cover body 6.
  • L2 is the distance of the second conductive path through which noise flows from the contact T between the outer terminal 12 and the stabilizer portion 27 to the contact portion between the leg portion 26b and the wiring board 40.
  • the distance L1 of the first conductive path is set to be shorter than the distance L2 of the second conductive path (L1 ⁇ L2).
  • the wiring board 40 on which the male connector 20 is mounted is a printed wiring board with a multi-layer structure that differentially transmits high-speed signals. That is, the wiring board 40 is formed by stacking, for example, multiple layers of copper ground circuit boards between upper and lower layers of synthetic resin resist, and each insulating board (neither is shown) made of synthetic resin.
  • the wiring board 40 has four ground circuit holes 41 formed as through holes for grounding.
  • a wiring pattern (not shown) for an electromagnetic shield circuit is formed on the lower end side of the four ground circuit holes 41 so as to extend to the other end side of the wiring board 40.
  • the legs 26b are inserted into the ground circuit holes 41 and connected by soldering.
  • the wiring board 40 has two communication circuit holes 42 formed as through holes for communication.
  • a wiring pattern for the communication circuit (not shown) is formed on the lower end side of the two communication circuit holes 42 so as to extend to the other end side of the wiring board 40.
  • the wiring pattern for the communication circuit is used as differential wiring, and is formed by tracing copper foil.
  • the base end 29b of the male inner terminal 29 is inserted into the communication circuit hole 42 and connected by soldering.
  • the housing 2 is a metal case having a metal box-shaped main body 3 consisting of a rectangular bottom wall 4 and four side walls 5 rising from the bottom wall 4, and a rectangular metal lid 6 covering the opening 3a of the main body 3.
  • a metal box-shaped main body 3 consisting of a rectangular bottom wall 4 and four side walls 5 rising from the bottom wall 4, and a rectangular metal lid 6 covering the opening 3a of the main body 3.
  • the lid 6 has a rectangular opening 7 for receiving the male connector 20.
  • the female connector 10 side of the shielded connector 1 is exposed from the opening 7, and the shielded connector 1 is mounted so that it stands vertically.
  • the communication circuit for signals between the mated female connector 10 and male connector 20 employs a differential transmission method.
  • the communication circuit is connected as follows: the internal wire 18, the female inner terminal 14, the male inner terminal 29, and the wiring pattern of the wiring board 40.
  • the shield circuit is connected in the following manner: braided tube 19, outer terminal 12, shield shell 24, earth piece 30, and ground circuit board (not shown) of wiring board 40.
  • Wiring board 40 is attached to bottom wall 4 of housing 2 via hexagonal column-shaped support 8 and screw 9. Support 8 is fixed to bottom wall 4 by pressing small-diameter lower end 8a of support 8 into mounting hole 4a provided in bottom wall 4.
  • the convex contact portion 33 of each of the pair of grounding pieces 30 contacts the lower surface 6b of the cover body 6.
  • the elastic force of the inclined portion 32 of the grounding piece 30 presses the contact portion 33 against the lower surface 6b of the cover body 6, thereby enabling a stable and good ground connection over time.
  • the elliptical cylindrical main body portion 25 of the shield shell 24 of the male connector 20 is inserted and fitted between the terminal accommodating portion 11a of the outer housing 11 of the female connector 10 and the housing accommodating portion 12a of the outer terminal 12.
  • This fitting brings the outer surface of the housing accommodating portion 12a into contact with the stabilizer portion 27 of the main body portion 25 at the contact point T shown in FIG. 7B. If the distance of the first conductive path through which noise flows from the contact T to the contact portion 33 of the ground piece 30 is L1, and the distance of the second conductive path through which noise flows from the contact T to the contact portion between the leg portion 26b of the shield shell 24 and the wiring board 40 is L2, the distance L1 of the first conductive path is shorter than the distance L2 of the second conductive path.
  • the first resistance value (R1) of the first conductive path at the distance L1 can be made smaller than the second resistance value (R2) of the second conductive path at the distance L2. This can sufficiently prevent noise generated from the crimped portion of the braided tube 19 from entering the inside of the housing 2, thereby improving the shielding performance of the shielded connector 1. Therefore, the shielded connector 1 can effectively suppress noise generated by wired communication, enabling high-performance high-speed communication.
  • the main body 25 of the shield shell 24 has a first cross-sectional area S1 of the connection portion 25a, which is the portion connected to the ground piece 30, and the stabilizer portion 27, which is larger than the second cross-sectional area S2 of the portion closer to the base portion 26 (wiring board 40) than the connection portion 25a. That is, the main body 25 has a constricted portion 25b in which the cross-sectional area of the portion closer to the base portion 26 (wiring board 40) than the connection portion 25a, which is the portion connected to the ground piece 30, is reduced. Therefore, the first resistance value R1 of the first conductive path at the distance L1 can be made smaller than the second resistance value R2 of the second conductive path at the distance L2.
  • the shielded connector 1 prevents the effects of strong external electric field noise from weather radar, military radar, etc., and prevents communication problems such as no images being displayed or meters not working properly, enabling stable, high-performance, high-speed communication.
  • a pair of grounding pieces 30 is used, but it is also possible to use a pair of grounding pieces directly attached to opposite sides of a cylindrical metal member.
  • the shielded shell 24 is attached to the male connector 20 side, but the shielded shell 24 may also be attached to the female connector 10 side.
  • the main body 25 and the base 26 of the shielded shell 24 are integrally formed, but the main body 25 and the base 26 may be formed separately to form the shielded shell 24. Also, by providing only one of the stabilizer portion 27 and the constricted portion 25b in the shielded shell 24, the first cross-sectional area S1 of the connection portion 25a of the main body 25 may be made larger than the second cross-sectional area S2 of the main body 25 on the wiring board 40 side.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Un connecteur blindé (1) comprend : une coque de blindage (24) dans laquelle une partie de celle-ci sur un côté doit être connectée électriquement à une borne de blindage (12) d'un connecteur homologue (10) et une partie de celle-ci sur l'autre côté doit être disposée sur une carte de câblage (40) logée dans un boîtier (2) ; un boîtier (21) recevant la coque de blindage (24) ; et des pattes de mise à la terre (30) qui sont électriquement connectées à la coque de blindage (24) et doivent être mises à la terre sur une surface de paroi (6b) du boîtier (2). La coque de blindage (24) comporte une partie de connexion (25a) connectée électriquement aux pattes de mise à la terre (30) et a été formée de telle sorte que la partie de connexion (25a) présente une première aire de section transversale qui est plus grande que la seconde aire de section transversale d'une partie située plus loin sur le côté de la carte de câblage (40) que la partie de connexion (25a).
PCT/JP2023/040946 2022-12-12 2023-11-14 Connecteur blindé WO2024127885A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022197867A JP2024083824A (ja) 2022-12-12 2022-12-12 シールドコネクタ
JP2022-197867 2022-12-12

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WO2024127885A1 true WO2024127885A1 (fr) 2024-06-20

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PCT/JP2023/040946 WO2024127885A1 (fr) 2022-12-12 2023-11-14 Connecteur blindé

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JP (1) JP2024083824A (fr)
WO (1) WO2024127885A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5326280A (en) * 1993-06-14 1994-07-05 Amphenol Corporation Coaxial connector with integral decoupling unit
JP2015536554A (ja) * 2012-11-29 2015-12-21 タイコ・エレクトロニクス・コーポレイションＴｙｃｏ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏｒｐｏｒａｔｉｏｎ ヘッダアセンブリ
JP2019012605A (ja) * 2017-06-29 2019-01-24 ホシデン株式会社 コネクタおよびコネクタと金属筐体との接続構造
JP2019140013A (ja) * 2018-02-14 2019-08-22 日本圧着端子製造株式会社 電気コネクタ
JP2021099931A (ja) * 2019-12-23 2021-07-01 矢崎総業株式会社 シールドコネクタ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5326280A (en) * 1993-06-14 1994-07-05 Amphenol Corporation Coaxial connector with integral decoupling unit
JP2015536554A (ja) * 2012-11-29 2015-12-21 タイコ・エレクトロニクス・コーポレイションＴｙｃｏ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏｒｐｏｒａｔｉｏｎ ヘッダアセンブリ
JP2019012605A (ja) * 2017-06-29 2019-01-24 ホシデン株式会社 コネクタおよびコネクタと金属筐体との接続構造
JP2019140013A (ja) * 2018-02-14 2019-08-22 日本圧着端子製造株式会社 電気コネクタ
JP2021099931A (ja) * 2019-12-23 2021-07-01 矢崎総業株式会社 シールドコネクタ

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