WO2019235176A1 - Structure pour empêcher l'infiltration d'eau entre un connecteur de faisceau de câbles et un boîtier d'appareil - Google Patents

Structure pour empêcher l'infiltration d'eau entre un connecteur de faisceau de câbles et un boîtier d'appareil Download PDF

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Publication number
WO2019235176A1
WO2019235176A1 PCT/JP2019/019687 JP2019019687W WO2019235176A1 WO 2019235176 A1 WO2019235176 A1 WO 2019235176A1 JP 2019019687 W JP2019019687 W JP 2019019687W WO 2019235176 A1 WO2019235176 A1 WO 2019235176A1
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WO
WIPO (PCT)
Prior art keywords
connector
housing
mounting portion
cylindrical
wire harness
Prior art date
Application number
PCT/JP2019/019687
Other languages
English (en)
Japanese (ja)
Inventor
湧太 井口
Original Assignee
住友電装株式会社
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 住友電装株式会社 filed Critical 住友電装株式会社
Publication of WO2019235176A1 publication Critical patent/WO2019235176A1/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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw

Definitions

  • the present invention relates to a structure that suppresses inundation between a connector of a wire harness and a mounting portion of a device housing to which the connector is mounted.
  • wire harnesses are electrically connected to devices such as vehicle motors and inverters.
  • the device housing is provided with a mounting portion for mounting a connector provided at an end of the wire harness.
  • the electric wire side terminal provided on the connector is electrically connected to the device side terminal facing the inside of the mounting portion (for example, Patent Document 1).
  • the connector device described in Patent Document 1 is provided with a connector having a tubular shape and a synthetic resin housing in which electric wire side terminals are accommodated.
  • a terminal insertion portion into which the electric wire side terminal is inserted projects from the side wall of the housing toward the outer peripheral side.
  • a fitting portion that is inserted and fitted into the mounting portion is projected.
  • the seal part which seals between the outer peripheral surfaces of a fitting part and the inner peripheral surface of a mounting part is provided.
  • a cover having a cover-side shield shell covering the other end surface of the housing from the other end side in the axial direction of the housing and the outer periphery of the housing is provided.
  • a connector-side shield shell with a flange that covers the outer periphery of the terminal insertion portion is provided in the terminal insertion portion of the housing. This flange covers the remaining one of the outer circumferences of the housing that is not covered by the cover-side shield shell.
  • the connector is electromagnetically shielded by the cover side shield shell and the connector side shield shell.
  • an extension portion extending toward the cover is provided on the other end side of the flange. And in the state which the extension part of the flange and the cover (cover side shield shell) partially overlapped, these are fastened with the common bolt with respect to the support pillar which protrudes from a mounting part.
  • the water-suppressing structure between the connector of the wire harness and the device housing for achieving the above object is applied to a wire harness provided with a connector that is inserted into and mounted on the mounting portion of the device housing, A structure that suppresses the intrusion of water between the mounting portion and the connector, wherein the connector includes a cylindrical housing portion having an insertion end portion to be inserted into the mounting portion, and an outer periphery from a side wall of the housing portion.
  • a shielding shell that protrudes toward the mounting portion.
  • the gap between the flange portion of the second shield shell and the mounting portion of the device casing is shielded by the shielding portion. For this reason, it can suppress that high-pressure washing water etc. flow in vigorously with respect to between a flange part and a mounting part.
  • the shielding portion is bent at the first extending portion extending from the flange portion along the wall surface of the terminal holding portion, and at the tip of the first extending portion, It is preferable to have the 2nd extension part extended along a wall surface.
  • the flange by adding the shielding portion
  • the gap between the flange portion and the mounting portion can be shielded while suppressing an increase in the size of the portion.
  • FIG. 4 is a side view corresponding to FIG. 3 and showing a first modification example. It is a figure corresponding to FIG. 3, Comprising: The side view which shows the 2nd example of a change.
  • a water immersion suppression structure (hereinafter referred to as a water immersion suppression structure) between a connector of a wire harness and a device housing will be described with reference to FIGS.
  • the inundation suppression structure of the present embodiment is routed in, for example, a hybrid vehicle or an electric vehicle, and a part of a housing (hereinafter, device housing 100) of a device such as a motor or an inverter is used.
  • the present invention is applied to the wire harness 10 including the connector 20 that is inserted into the mounting portion 34 of the terminal block 30 to be mounted.
  • the terminal block 30 includes a casing portion 32 made of a hard resin that is connected to the housing body 110 of the device housing 100.
  • the casing portion 32 has a hollow connecting portion 33 that protrudes toward the outside of the housing main body 110 and a long cylindrical mounting portion 34 that communicates with the connecting portion 33.
  • the axial direction of the mounting portion 34 is referred to as “Z direction” (see the orthogonal coordinate system of FIG. 1).
  • the mounting portion 34 has a bottom wall 34a provided at one end in the Z direction and connected to the connecting portion 33, and a side wall 34b. Further, the other end of the mounting portion 34 in the Z direction is opened. Note that a connection terminal (not shown) that is electrically connected to the wire harness 10 is housed inside the casing portion 32.
  • the connector 20 includes a housing portion 22 made of a hard resin having a long cylindrical shape, and a terminal holding portion 23 made of a hard resin protruding from the side wall of the housing portion 22 toward the outer peripheral side, A plurality of (three in this embodiment) metal terminals 24 provided at the terminals of the plurality of electric wires 11 and held by the terminal holding portion 23 are provided.
  • the direction in which the terminal holding portion 23 protrudes is referred to as “Y direction”.
  • the Z direction that is the axial direction of the mounting portion 34 is the same as the axial direction of the housing portion 22.
  • the housing portion 22 has an insertion end portion 21 to be inserted into the opening of the mounting portion 34.
  • a concave groove is provided over the entire circumference.
  • the concave groove is provided with an annular seal member 25 that seals between the inner peripheral surface of the mounting portion 34 (see FIG. 3).
  • a resin cap (not shown) that closes the opening is provided at the base end 27 of the housing 22 opposite to the insertion end 21.
  • the terminal holding portion 23 protrudes from the side wall of the housing portion 22 toward one end side in the Y direction, and holds a plurality of terminals 24 collectively, and one end of the first holding portion 23a in the Y direction. And a plurality of cylindrical second holding portions 23b that hold the plurality of electric wires 11 individually.
  • a concave groove is provided over the entire periphery. In this concave groove, an annular seal member 26 is provided for sealing between the inner periphery of the second shield shell 70 described later.
  • the connector 20 is manufactured by molding the electric wire 11 and the terminal 24 with a resin material. As shown in FIGS. 1 to 3, the housing portion 22 of the connector 20 is covered with a first shield shell 40.
  • the first shield shell 40 includes a main shell 50 that covers the outer periphery of the side wall of the housing portion 22 and a cover shell 60 that covers the proximal end portion 27 of the housing portion 22. Both the main shell 50 and the cover shell 60 are made of a metal material such as an aluminum alloy.
  • the main shell 50 is U-shaped in a plan view, and includes a side wall 53 that covers three sides of the side wall of the housing portion 22 except for one side where the terminal holding portion 23 is provided, and a side wall 53 toward one end side in the Y direction. It has a substantially rectangular bottom wall 52 that protrudes and covers the other end side of the first holding portion 23a in the Z direction.
  • An oval opening 51 is defined by the bottom wall 52 and the side wall 53.
  • the longitudinal direction of the bottom wall 52 is referred to as “X direction”.
  • Protruding portions 54 and 55 projecting toward one end and the other end in the Z direction are provided at one end and the other end of the bottom wall 52 in the X direction, respectively.
  • Screw holes 54a and 55a are provided on one end surface of each protrusion 54 and 55 in the Y direction.
  • the side wall 53 is provided with a pair of protrusions 56 that protrude outward in the X direction.
  • a through hole 56 a is provided at the tip of the protruding portion 56 along the Z direction.
  • the cover shell 60 includes a substantially rectangular bottom wall 62 that closes the opening 51 of the main shell 50, and a side wall 63 that protrudes from the edge of the bottom wall 62 and abuts against the side wall 53 of the main shell 50.
  • the side wall 63 is provided with a pair of protrusions 66 that protrude outward in the X direction.
  • a through hole 66a is provided at the tip of the protrusion 66 along the Z direction.
  • each through hole 66 a of each protrusion 66 of the cover shell 60 and each through hole 56 a of each protrusion 56 of the main shell 50 are located on the same axis.
  • the terminal holding portion 23 of the connector 20 is covered with a second shield shell 70.
  • the second shield shell 70 has a substantially long cylindrical shape, and has a cylindrical portion 71 that covers the outer periphery of the terminal holding portion 23, and projects from the other end in the Y direction of the cylindrical portion 71 toward the outer peripheral side. And a flange portion 72 that covers the housing portion 22. The flange portion 72 is provided over the entire circumference of the cylindrical portion 71.
  • the second shield shell 70 is made of a metal material such as an aluminum alloy, for example.
  • a groove portion 71a is provided over the entire periphery.
  • a metal wire such as an aluminum alloy is knitted into a cylindrical shape, and a braided member that electromagnetically shields each electric wire 11 is fixed by a metal band (all not shown).
  • through holes 74a and 75a corresponding to the screw holes 54a and 55a of the main shell 50 are provided.
  • a pair of bolts (not shown) are inserted into the through holes 74a and 75a and screwed into the screw holes 54a and 55a, so that the second shield shell 70 is in contact with the main shell 50 (first shield shell 40). Fixed.
  • the flange portion 72 is provided with a shielding portion 73 that protrudes toward the mounting portion 34.
  • the shielding part 73 is bent at the distal end of the first extending part 73a extending from the flange part 72 along the wall surface of the first holding part 23a of the terminal holding part 23, and the mounting part 34. And a second extending portion 73b extending along the wall surface of the side wall 34b.
  • a gap is provided between the second extending portion 73 b of the shielding portion 73 and the side wall 34 b of the mounting portion 34.
  • the casing portion 32 and the mounting portion 34 of the terminal block 30 are covered with a third shield shell (not shown).
  • a pair of bolts (not shown) are inserted into the pair of through holes 66a of the cover shell 60 and the pair of through holes 56a of the main shell 50, respectively, and screwed into the pair of screw holes provided in the third shield shell.
  • the cover shell 60 and the main shell 50 (first shield shell 40) are fixed to the third shield shell.
  • the connector 20 and the entire terminal block 30 are electromagnetically shielded by the first shield shell 40, the second shield shell 70, and the third shield shell. The operation and effect of this embodiment will be described.
  • the flange portion 72 of the second shield shell 70 is bent at the distal end of the first extension portion 73a extending from the flange portion 72 along the wall surface of the terminal holding portion 23, and the mounting portion A shielding portion 73 having a second extending portion 73b extending along the wall surface of the side wall 34b of 34 is provided.
  • the first extending portion 73a and the second extending portion 73b constituting the shielding portion 73 extend along the wall surface of the terminal holding portion 23 and the wall surface of the side wall 34b of the mounting portion 34, respectively.
  • a gap between the flange portion 72 of the second shield shell 70 and the mounting portion 34 is shielded by the shielding portion 73. For this reason, it can suppress that a high-pressure washing water etc. flow in between the flange part 72 and the mounting part 34 vigorously, suppressing the physique increase of the flange part 72 by adding the shielding part 73.
  • the present embodiment can be implemented with the following modifications.
  • the present embodiment and the following modifications can be implemented in combination with each other within a technically consistent range.
  • the shielding part 73 is not limited to what consists of the 1st extension part 73a and the 2nd extension part 73b of this embodiment.
  • a shielding part having an extending part 173 a that is inclined toward the bottom wall 34 a as the distance from the flange part 72 to the side wall 34 b of the mounting part 34 can be adopted.
  • a shielding part having a third extending part 273c that is bent and extends along the bottom wall 34a may be employed.
  • the first shield shell 40 may be one in which the main shell 50 and the cover shell 60 are integrally formed. -The number of the electric wires 11 which comprise the wire harness 10 can be changed suitably.
  • the second shield shell 70 is a one-piece product including the flange portion 72 and the shield portion 73, but in another embodiment, the shield portion is separate from the flange portion of the second shield shell.
  • the shielding portion may be fixed to the flange portion and retrofitted.
  • the mounting portion 34 may be provided on the housing body 110 itself.
  • the present disclosure encompasses the following implementation examples. Reference symbols of representative components of representative embodiments are provided for the purpose of understanding and not limitation.
  • the illustrated shielding portion 73 can function as a water splash guard plate.
  • the electric device of the vehicle can have a cylindrical connector mounting portion (34) having a downward opening.
  • the wire harness (10) is a connector (11) including an electric wire (11), a terminal (24) fixed to a conductor of the electric wire (11) at a tip of the electric wire (11), and a cylindrical housing (22). 20).
  • the cylindrical housing (22) includes a cylindrical upper part (21) having an upper end opening from which the terminal (24) is exposed, and a cylindrical lower side part (27) having a lower end opening. Can do.
  • the cylindrical upper portion (21) of the cylindrical housing (22) is configured to be inserted from below into the downward opening of the cylindrical connector mounting portion (34) of the electrical device.
  • the connector (20) is sandwiched between an outer peripheral surface of the cylindrical upper portion (21) of the cylindrical housing (22) and an inner peripheral surface of the cylindrical connector mounting portion (34).
  • a sealing element (25) for watertightly sealing the downward opening of the connector mounting portion (34) having a shape can be provided.
  • the connector (20) protrudes radially outward from a first portion of the outer peripheral surface of the cylindrical lower side portion (27) of the cylindrical housing (22), and the electric wire (11) is the cylindrical shape.
  • the terminal holding part (23) holding the said electric wire (11) and the said terminal (24) so that it may extend in the radial direction of the housing (22) of this can be provided.
  • the lower end opening of the cylindrical lower side portion (27) of the cylindrical housing (22) and the remaining portion excluding the first portion of the outer peripheral surface of the cylindrical lower side portion (27). Is covered by the first shield shell (40).
  • the first shield shell (40) has a projected area of the downward opening of the cylindrical connector mounting portion (34) so as to completely cover the downward opening of the cylindrical connector mounting portion (34) from below. Has a larger projected area.
  • the cylindrical upper portion (21) of the cylindrical housing (22) of the connector (20) is inserted from below into the downward opening of the cylindrical connector mounting portion (34) of the electrical device,
  • the first shield shell (40) connects the lower end opening of the cylindrical lower side portion (27) of the cylindrical housing (22) and the outer peripheral surface of the cylindrical lower side portion (27).
  • metal water splash guard plates (73, 73a, 73b, 173a, 273b, 273c) that are adjacent to each other with a gap from the outer surface of the cylindrical connector mounting portion (34) are at least the connectors ( 20).
  • the upper edge of the water splash guard plate (73, 73a, 73b, 173a, 273b, 273c) is disposed above the seal element (25).
  • the upper edge of the water splash guard plate (73, 73a, 73b, 173a, 273b, 273c) is disposed below the uppermost surface of the cylindrical connector mounting portion (34).
  • the terminal holding portion (23) of the connector (20) is covered with a cylindrical portion (71) of the second shield shell (70), and the water splash guard plates (73, 73a, 73b, 173a, 273b and 273c) are integrated with the cylindrical portion (71) of the second shield shell (70).
  • DESCRIPTION OF SYMBOLS 10 Wire harness, 11 ... Electric wire, 20 ... Connector, 21 ... Insertion end part, 22 ... Housing part, 23 ... Terminal holding part, 23a ... First holding part, 23b ... Second holding part, 24 ... Terminal, 25 ... Seal member, 26 ... Seal member, 27 ... Base end portion, 30 ... Terminal block, 32 ... Casing portion, 33 ... Connecting portion, 34 ... Mounting portion, 34a ... Bottom wall, 34b ... Side wall, 40 ... First shield shell, DESCRIPTION OF SYMBOLS 50 ... Main shell, 51 ... Opening part, 52 ... Bottom wall, 53 ... Side wall, 54 ... Projection part, 54a ... Screw hole, 55 ...

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

Selon la présente invention, une partie bride (72) d'une seconde coque de blindage (70) comprend une partie de blindage (73) qui a : une première partie d'extension (73a) qui s'étend à partir de la partie bride (72) le long d'une surface de paroi d'une partie de maintien de terminal ; et une seconde partie d'extension (73b) qui est pliée au niveau d'une extrémité de pointe de la première partie d'extension (73a) et s'étend le long d'une surface de paroi d'une paroi latérale (34b) d'une partie d'installation (34).
PCT/JP2019/019687 2018-06-08 2019-05-17 Structure pour empêcher l'infiltration d'eau entre un connecteur de faisceau de câbles et un boîtier d'appareil WO2019235176A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-110392 2018-06-08
JP2018110392A JP2019212583A (ja) 2018-06-08 2018-06-08 ワイヤハーネスのコネクタと機器筐体との間における浸水抑制構造

Publications (1)

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WO2019235176A1 true WO2019235176A1 (fr) 2019-12-12

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PCT/JP2019/019687 WO2019235176A1 (fr) 2018-06-08 2019-05-17 Structure pour empêcher l'infiltration d'eau entre un connecteur de faisceau de câbles et un boîtier d'appareil

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JP (1) JP2019212583A (fr)
WO (1) WO2019235176A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112152003A (zh) * 2020-09-30 2020-12-29 宣城立讯精密工业有限公司 一种连接器插座
CN113725659A (zh) * 2021-09-06 2021-11-30 佛山市德方电缆有限公司 一种节能防水线缆接头

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102435993B1 (ko) * 2020-12-03 2022-08-25 말레동현필터시스템(주) 하이브리드 차량용 버스 바 유닛
JP7200272B2 (ja) * 2021-01-08 2023-01-06 矢崎総業株式会社 ワイヤハーネス
JP2022124868A (ja) * 2021-02-16 2022-08-26 住友電装株式会社 ワイヤハーネス

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013232368A (ja) * 2012-05-01 2013-11-14 Yazaki Corp シールドシェルの固定構造
JP2014179192A (ja) * 2013-03-14 2014-09-25 Yazaki Corp 防水コネクタ
JP2015005432A (ja) * 2013-06-21 2015-01-08 住友電装株式会社 シールドコネクタ
JP2016016696A (ja) * 2014-07-04 2016-02-01 本田技研工業株式会社 電子機器の防滴構造
JP2017195128A (ja) * 2016-04-22 2017-10-26 住友電装株式会社 コネクタ付電線

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013232368A (ja) * 2012-05-01 2013-11-14 Yazaki Corp シールドシェルの固定構造
JP2014179192A (ja) * 2013-03-14 2014-09-25 Yazaki Corp 防水コネクタ
JP2015005432A (ja) * 2013-06-21 2015-01-08 住友電装株式会社 シールドコネクタ
JP2016016696A (ja) * 2014-07-04 2016-02-01 本田技研工業株式会社 電子機器の防滴構造
JP2017195128A (ja) * 2016-04-22 2017-10-26 住友電装株式会社 コネクタ付電線

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112152003A (zh) * 2020-09-30 2020-12-29 宣城立讯精密工业有限公司 一种连接器插座
CN113725659A (zh) * 2021-09-06 2021-11-30 佛山市德方电缆有限公司 一种节能防水线缆接头
CN113725659B (zh) * 2021-09-06 2022-05-31 佛山市德方电缆有限公司 一种节能防水线缆接头

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