WO2017061251A1 - Connecteur - Google Patents

Connecteur Download PDF

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Publication number
WO2017061251A1
WO2017061251A1 PCT/JP2016/077388 JP2016077388W WO2017061251A1 WO 2017061251 A1 WO2017061251 A1 WO 2017061251A1 JP 2016077388 W JP2016077388 W JP 2016077388W WO 2017061251 A1 WO2017061251 A1 WO 2017061251A1
Authority
WO
WIPO (PCT)
Prior art keywords
electric wire
housing
connector
fixing member
fixed
Prior art date
Application number
PCT/JP2016/077388
Other languages
English (en)
Japanese (ja)
Inventor
康弘 工藤
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 WO2017061251A1 publication Critical patent/WO2017061251A1/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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable

Definitions

  • the technology disclosed in this specification relates to a connector.
  • the electric wire holding structure (corresponding to a connector) described in Patent Document 1 includes an electric wire holder including a first member and a second member, and a cylindrical shield case. The electric wire is inserted into the electric wire holder by the electric wire being sandwiched between the two members. And in the electric wire holding structure of patent document 1, an electric wire holder is fixed to an electric wire by press-fitting an electric wire holder inside a shield case in the state. This restricts the electric wire holder from moving relative to the electric wire in the direction in which the electric wire extends.
  • This specification discloses a technique that facilitates disassembly of the connector while restricting relative movement of the connector through which the electric wire is inserted in the extending direction of the electric wire with respect to the electric wire.
  • the connector disclosed in the present specification includes a fixing member fixed to an outer periphery of an electric wire, a housing through which the electric wire is inserted, and a movement restricting member assembled to the housing, the housing and the movement A movement restricting member that sandwiches the fixing member from both sides of the wire in the extending direction with the restricting member, and the housing and the movement restricting member can be unlocked in a state where the movement restricting member is assembled to the housing. And a locking mechanism that locks in such a form.
  • the connector since the fixing member fixed to the electric wire is sandwiched from both sides in the electric wire extension direction by the housing and the movement restricting member, the connector moves relative to the electric wire in the electric wire extension direction. Can be regulated. And according to said connector, since a housing and a movement control member are locked in the form which can be unlocked, a housing and a movement control member can be easily disassembled by canceling
  • a pair of rotation restricting portions that are provided on both sides in the circumferential direction of the electric wire with the overhanging portion interposed therebetween, and the electric wire attempts to rotate in the circumferential direction of the electric wire with respect to the housing
  • a pair of rotation restricting portions that abut against the overhanging portion and restrict the rotation of the electric wire.
  • the fixing member may be a metal member fixed by caulking to the electric wire.
  • the fixing member can be efficiently fixed to the electric wire.
  • the connector disclosed in the present specification it is possible to facilitate disassembly of the connector while restricting the connector through which the electric wire is inserted from moving relative to the electric wire in the extending direction of the electric wire.
  • FIG. 1 The perspective view of the connector concerning an embodiment Connector exploded perspective view Sectional view taken along line AA of the connector shown in FIG. Front view of the fitting section viewed from the front Sectional view taken along line BB of the connector shown in FIG.
  • the up-down direction and the front-rear direction are based on the up-down direction and the front-rear direction shown in FIG. 4, and the left-right direction is based on the left-right direction shown in FIG.
  • the shield connector 1 is inserted with three electric wires W (w1, w2, and w3) that connect an inverter mounted on a vehicle such as an electric vehicle or a hybrid vehicle and a three-phase motor.
  • the fitting portion 22 is fitted into a fitting hole provided in a metal case that houses the phase motor, and is attached to the case.
  • the terminal metal fitting 18 connected to each electric wire W is connected to an inverter or a three-phase motor, whereby the inverter and the three-phase motor are connected.
  • the shield connector 1 includes three fixing members 10 fixed to the electric wires W, a resin housing 11 through which the electric wires W are inserted, a seal ring 12, and a housing 11.
  • a front retainer 13 (an example of a movement restricting member) assembled from the front side, three rubber plugs 14 for watertight sealing between the inner peripheral surface of the housing 11 and the electric wire W, a back retainer 15 for preventing the rubber plugs 14 from being removed,
  • a metal shield bracket 16 and a caulking ring 17 for caulking and fixing a braided wire (not shown) to the shield bracket 16 are provided.
  • a terminal fitting 18 is connected to one end of each electric wire W.
  • the terminal fitting 18 is formed by punching or bending using a conductive metal flat plate as a base material.
  • the contact 18A connected to the device (inverter or three-phase motor) and the wire W And a barrel portion 18B for crimping the core wire to the terminal fitting 18.
  • 18 A of contact parts are formed in flat form, and the bolt insertion hole 18C in which the bolt for connecting the terminal metal fitting 18 to an apparatus is penetrated in the plate
  • the fixing member 10 is obtained by caulking and fixing a long plate-like metal member having a certain thickness (for example, 2 mm) to the outer periphery of the electric wire W, from the terminal fitting 18 to the other end side of the electric wire W. It is fixed at a slightly spaced position.
  • each of the fixing members 10 is provided with two projecting portions 19 that project outward in the radial direction of the electric wire W on opposite sides of the electric wire W. These overhang portions 19 are formed by bending the long plate-shaped metal member described above.
  • projection part 19 may be previously formed before caulking the long plate-shaped metal member mentioned above to the electric wire W, or when caulking the metal member in which the overhang
  • the housing 11 is roughly formed in a horizontally long cylindrical shape in the left-right direction, and a flange 21 is provided around the outer periphery. Further, as shown in FIG. 4, the interior of the housing 11 is partitioned forward and backward by a partition wall 23. A front portion of the housing 11 from the flange 21 constitutes a fitting portion 22. Grooves 22 ⁇ / b> A (see FIG. 2) that are recessed over the entire circumference are formed on the outer circumferential surface of the fitting portion 22, and the inner circumference of the fitting hole provided in the outer circumferential surface of the fitting portion 22 and the device case. A seal ring 12 made of synthetic resin that seals between the surfaces in a watertight manner is fitted in the groove 22A.
  • the fitting portion 22 has a so-called race track shape that is composed of two straight lines and two semicircles when viewed from the front side, and the inside is left and right by the two wall portions 24 (24A, 24B). It is partitioned into three spaces 40 (40A, 40B, 40C) in the direction.
  • the partition wall 23 that divides the housing 11 forward and backward is provided with an electric wire insertion opening 25 through which each of the three spaces 40 is inserted.
  • the diameter of the wire insertion opening 25 is narrower than the distance from the tip of one overhanging portion 19 to the tip of the other overhanging portion 19 of the fixing member 10 fixed to the electric wire W inserted through the wire insertion opening 25. It has become. For this reason, the fixing member 10 cannot pass through the electric wire insertion opening 25.
  • a pair of rotation restricting portions 26 for restricting the rotation of the electric wires W are provided at a substantially center in the vertical direction on the surface facing the right side of the left wall portion 24A.
  • Each rotation restricting portion 26 is formed in a plate shape, and extends to the right side in parallel with each other in a posture in which the plate surface faces the vertical direction.
  • a pair of rotation restricting portions 26 extending toward the left side are also provided on the right wall portion 24B.
  • projection parts 19 of the fixing member 10 currently fixed to the center electric wire W2 are located between a pair of rotation control parts 26, respectively. That is, the pair of rotation restricting portions 26 are provided on both sides in the circumferential direction of the electric wire W with the overhang portion 19 interposed therebetween.
  • a pair of rotation restricting portions 26 extending toward the right side are also provided on the inner peripheral surface on the left side of the housing 11, and the overhanging portion 19 of the fixing member 10 fixed to the left electric wire W ⁇ b> 1 is connected to the pair of rotations. It is located between the rotation restricting portions 26.
  • a pair of rotation restricting portions 26 extending toward the left side are also provided on the inner peripheral surface on the right side of the housing 11, and the overhanging portion 19 of the fixing member 10 fixed to the right electric wire W3 is the pair. Are located between the rotation restricting portions 26.
  • the rear portion of the housing 11 in the housing 11 is configured such that three cylindrical portions 27 extending in a cylindrical shape in the front-rear direction are arranged in parallel in the left-right direction and adjacent cylindrical portions 27 are connected to each other.
  • a rubber plug 14 through which an electric wire W is passed is accommodated inside each cylindrical portion 27.
  • the rubber plug 14 is for stopping water between the electric wire W and the housing 11.
  • Each cylindrical portion 27 is configured such that internal spaces at the rear end portion thereof are in communication with each other, and a retainer mounting recess 28 in which the back retainer 15 is accommodated is formed by integrally forming these internal spaces.
  • the back retainer 15 is for preventing the rubber stopper 14 from coming off.
  • retaining protrusions 15 ⁇ / b> A are provided on the outer peripheral surface corresponding to each cylindrical portion 27.
  • a retaining hole 27 ⁇ / b> A is provided vertically so that a retaining protrusion 15 ⁇ / b> A is fitted from the inside and locked in the front-rear direction.
  • the front retainer 13 has a retainer main body 13A and three electric wire holding portions 13B.
  • the retainer body 13A is a plate-like member having a substantially racetrack shape when viewed from the front side, and is formed with three recesses 13C that are recessed in a U-shape from the bottom to the top and spaced apart from each other in the left-right direction.
  • the electric wires W inserted through the housing 11 are fitted into the three concave portions 13C.
  • the wire holding portion 13B is provided on the rear surface of the retainer main body portion 13A, and extends in a circular arc shape from the upper edge of the U-shaped recess 13C toward the rear side. As shown in FIG. 4, the electric wire holding portion 13 ⁇ / b> B has a step 29 formed by denting the lower surface of the rear end portion substantially by the thickness of the fixing member 10, and the fixing member 10 is fitted into the step 29.
  • two elastically deformable lock arms 13D and 13E extending in a rod shape from between the adjacent electric wire holding portions 13B are integrally formed on the surface facing the rear side of the retainer main body portion 13A.
  • the left lock arm 13D is formed at a position on the left side of the wall portion 24A
  • the right lock arm 13E is formed at a position on the right side of the wall portion 24B.
  • An engagement hole 13F is formed on the distal end side of each lock arm.
  • engagement projections 24C are formed on the wall 24A and the wall 24B, and when the front retainer 13 is assembled to the housing 11, the engagement projections 24C fit into the engagement holes 13F of the lock arms 13D and 13E, respectively. As a result, the housing 11 and the front retainer 13 are locked in a state in which the front retainer 13 is assembled to the housing 11.
  • the lock arms 13D and 13E and the engagement protrusion 24C are examples of a lock mechanism.
  • the partition wall 23 that divides the interior of the housing 11 forward and backward is formed with an opening 30 at a position behind the lock arms 13D and 13E.
  • the operator can release the lock between the housing 11 and the front retainer 13 by inserting a jig into the opening 30 from the rear and releasing the engagement between the engagement hole 13F and the engagement protrusion 24C. That is, the housing 11 and the front retainer 13 are locked in a form that can be unlocked.
  • the shield bracket 16 includes a bracket cylindrical portion 16A formed in a cylindrical shape, and a bracket attachment portion 16B for attaching the shield bracket 16 to the device.
  • the shield bracket 16 is a metal member that collectively covers the rear portion of the housing 11 (that is, the three cylindrical portions 27), and is manufactured by aluminum die casting in this embodiment.
  • a bolt insertion hole 16C is formed in the bracket attachment portion 16B, and the shield bracket 16 is fixed to the case when the bolt is inserted into the bolt insertion hole 16C and fastened to the case of the device. Thereby, the shield connector 1 is prevented from falling off, and the shield bracket 16 and the case are electrically connected to secure a shield path.
  • the caulking ring 17 is for caulking and fixing a substantially cylindrical braided wire (not shown) to the outer peripheral surface of the bracket cylindrical portion 16A.
  • a braided wire (not shown) surrounds the three electric wires W in a lump, and the end is covered with the bracket cylindrical portion 16A. Then, the braided wire is fixed to the bracket cylindrical portion 16A by press-fitting the caulking ring 17 from above the braided wire with the braided wire covering the bracket cylindrical portion 16A.
  • the shield connector 1 has the fixing member 10 fixed to the electric wire W sandwiched between the housing 11 and the front retainer 13 from both sides in the extending direction of the electric wire W, thereby relative to the electric wire W in the extending direction of the electric wire W. It is restricted to move.
  • the fixing member 10 fixed to the electric wire W is sandwiched between the housing 11 and the front retainer 13 from both sides in the extending direction of the electric wire W. Therefore, relative movement of the shield connector 1 with respect to the electric wire W in the extending direction of the electric wire W can be restricted.
  • the shield connector 1 since the housing 11 and the front retainer 13 are locked in a form that can be unlocked, the housing 11 and the front retainer 13 can be easily disassembled by releasing the lock during maintenance. can do. Therefore, according to the shield connector 1, the shield connector 1 into which the electric wire W is inserted is controlled to move relative to the electric wire W in the extending direction of the electric wire W, and the shield connector 1 can be easily disassembled during maintenance. can do.
  • the shield connector 1 when the electric wire W tries to rotate in the circumferential direction of the electric wire W with respect to the shield connector 1, the overhanging portion 19 of the fixing member 10 comes into contact with the rotation restricting portion 26 and the rotation is restricted.
  • the plate surface of the contact portion 18A faces when the electric wire W rotates in the circumferential direction of the electric wire W with respect to the shield connector 1. Changes, which causes inconvenience such as an operator having to correct the direction of the contact portion 18A when fixing the terminal fitting 18 to the device. According to the shield connector 1, since rotation of the electric wire W is regulated, such inconvenience can be suppressed.
  • the fixing member 10 is a metal member that is caulked and fixed to the electric wire W.
  • the fixing member 10 is formed of a resin and the fixing member 10 is fixed to the electric wire W with an adhesive, the efficiency is poor because a time for applying the adhesive or a time for the adhesive to dry is necessary.
  • the fixing member 10 is a metal member, if both ends are fastened with bolts and nuts after the fixing member 10 is attached to the electric wire W, it takes time to fasten and the efficiency is poor.
  • attachment and fixing can be performed simultaneously, so that the fixing member 10 can be efficiently fixed to the electric wire W.
  • the shield connector 1 when the electric wire holding portion 13B is in contact with the fixing member 10, the shield connector 1 slightly moves forward with respect to the electric wire W because the partition wall 23 is not in contact with the fixing member 10. However, when the partition wall 23 is brought into close contact with the fixing member 10, or the convex portion that is in close contact with the fixing member 10 from the rear side is provided in front of the partition wall 23, the shield connector 1 is connected to the electric wire W. Thus, it may be impossible to move at all in the extending direction of the electric wire W.
  • the partition wall 23 provided integrally with the housing 11 contacts the fixing member 10 has been described as an example.
  • the fixed member may be in contact with the fixed member 10. That is, the structure in which the housing 11 abuts on the fixing member 10 may be a structure in which the housing 11 directly abuts, or a structure in which another member fixed to the housing 11 abuts. The same applies to the front retainer 13.
  • the fixing member 10 may be formed of resin.
  • the fixing member 10 is fixed so as not to move in the extending direction of the electric wire W with respect to the electric wire W.
  • the fixing method is not limited to this.
  • the fixing member 10 may be fixed by fastening both ends with bolts and nuts, or the fixing member 10 may be fixed to the electric wire W with an adhesive.
  • the number of the electric wires W inserted through the shield connector 1 is not limited to three. Can be determined as appropriate.
  • SYMBOLS 1 Shield connector (an example of a connector), 10 ... Fixed member, 11 ... Housing, 13 ... Front retainer (An example of a movement control member), 13D, 13E ... Lock arm (An example of a lock mechanism), 19 ... Overhang

Landscapes

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

Abstract

L'invention porte sur un connecteur blindé (1) comprenant : un élément fixe (10) qui est fixé à la périphérie extérieure d'un fil électrique (W) ; un boîtier (11) dans lequel le fil électrique (W) est inséré ; un élément de retenue avant (13) qui est attaché au boîtier (11), ledit élément de retenue avant (13) étant positionné de manière que le boîtier (11) et l'élément de retenue avant (13) prennent en sandwich l'élément fixe (10) par les deux côtés le long de la direction d'extension du fil électrique (W) ; et un mécanisme de verrouillage (bras de verrouillage 13D, 13E, saillie de mise en prise 24C) qui verrouille de manière libérable le boîtier (11) et l'élément de retenue avant (13) pendant que l'élément de retenue avant (13) est attaché au boîtier (11).
PCT/JP2016/077388 2015-10-05 2016-09-16 Connecteur WO2017061251A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015197755A JP2017073217A (ja) 2015-10-05 2015-10-05 コネクタ
JP2015-197755 2015-10-05

Publications (1)

Publication Number Publication Date
WO2017061251A1 true WO2017061251A1 (fr) 2017-04-13

Family

ID=58487416

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/077388 WO2017061251A1 (fr) 2015-10-05 2016-09-16 Connecteur

Country Status (2)

Country Link
JP (1) JP2017073217A (fr)
WO (1) WO2017061251A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110556662B (zh) * 2018-06-01 2021-06-22 矢崎（中国）投资有限公司 连接器
CN110611199A (zh) * 2018-09-30 2019-12-24 中航光电科技股份有限公司 一种接线连接器
JP7271498B2 (ja) * 2020-12-16 2023-05-11 矢崎総業株式会社 機器用コネクタ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128192U (fr) * 1978-02-28 1979-09-06
JPS61194272U (fr) * 1985-05-24 1986-12-03
JP2572500Y2 (ja) * 1992-03-31 1998-05-25 ミツミ電機株式会社 電纜のクランパー金具
JP4438590B2 (ja) * 2004-10-13 2010-03-24 住友電装株式会社 コネクタ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128192U (fr) * 1978-02-28 1979-09-06
JPS61194272U (fr) * 1985-05-24 1986-12-03
JP2572500Y2 (ja) * 1992-03-31 1998-05-25 ミツミ電機株式会社 電纜のクランパー金具
JP4438590B2 (ja) * 2004-10-13 2010-03-24 住友電装株式会社 コネクタ

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Publication number Publication date
JP2017073217A (ja) 2017-04-13

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