WO2014199833A1 - Contact femelle - Google Patents

Contact femelle Download PDF

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Publication number
WO2014199833A1
WO2014199833A1 PCT/JP2014/064243 JP2014064243W WO2014199833A1 WO 2014199833 A1 WO2014199833 A1 WO 2014199833A1 JP 2014064243 W JP2014064243 W JP 2014064243W WO 2014199833 A1 WO2014199833 A1 WO 2014199833A1
Authority
WO
WIPO (PCT)
Prior art keywords
side wall
wall
terminal
piece
female terminal
Prior art date
Application number
PCT/JP2014/064243
Other languages
English (en)
Japanese (ja)
Inventor
尚一 長坂
直樹 池野
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
Priority to CN201480033120.XA priority Critical patent/CN105284011B/zh
Publication of WO2014199833A1 publication Critical patent/WO2014199833A1/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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the present invention relates to a female terminal.
  • connection terminal that is attached to an end portion of a wiring cord and that is inserted and fixed in a housing of a connector so as not to be detached (see Patent Document 1).
  • the connection terminal 501 shown in FIGS. 7A and 7B is a female whose terminal body (electrical contact portion) 503 is formed into a long box shape by bending a metal plate into a substantially rectangular tube shape.
  • Type terminal On the front side of the upper wall piece 505 of the terminal main body 503, a lance 507 that engages with a part of the terminal body 503 when it is inserted into a housing of a connector (not shown) and is prevented from coming off is formed.
  • a sag preventing portion 511 is formed on the upper wall piece 505 of the terminal body 503 at the rear of the free end 509 of the lance 507.
  • the squeezing prevention part 511 is a part of the upper wall piece 505 of the terminal body 503 (on the right side wall 513 in FIG. 7B) so as to oppose the substantially entire free end 509 of the lance 507 with a predetermined clearance. (Part) is further bent upward to form a protrusion.
  • the center of the lower surface of the squeezing prevention part 511 is placed on the upper surface of the standing piece 517 bent in an L shape of the left side wall piece 515 of the terminal body 503, and the tip 519 of the squeezing prevention part 511 is placed on the left side wall piece.
  • the downward deformation of the drooping prevention portion 511 is prevented.
  • connection terminal 501 provided with the box-shaped terminal body 503 described above the tip end portion 519 of the stagnation prevention part 511 is placed on the horizontal bent part 521 of the left side wall piece 515, and below the squeezing prevention part 511.
  • the upward deformation of the upper wall piece 505 and the dripping prevention part 511 cannot be prevented.
  • a spring piece (not shown) disposed in the insertion space 523 of the terminal body 503 and a male terminal (not shown) inserted in the insertion space 523 There is a possibility that the contact load of the battery is reduced and stable electrical conduction is not achieved.
  • the present invention has been made in view of the above situation, and an object of the present invention is to provide a female terminal capable of stable electrical conduction without reducing contact load.
  • a box-shaped electrical contact portion into which a male terminal is inserted is bent continuously from the bottom wall, the first and second side walls rising from both ends of the bottom wall in the terminal width direction, and the first side wall.
  • a female terminal provided with a lock portion engaged with the female terminal.
  • the spring piece is elastically contacted with the male terminal inserted into the electrical contact portion.
  • the load of the spring piece that is in elastic contact with the male terminal is supported by the top wall superimposed on the outside of the spring piece.
  • the top wall tends to be deformed in a direction in which the edge of the top wall on the bending tip side is separated from the first side wall by receiving a load from the spring piece. That is, the top wall of the box-shaped electrical contact portion is about to open.
  • the engaging force which maintains the box shape of an electrical contact part is raised.
  • the electrical contact portion provided with the box opening prevention piece has an asymmetric shape on the left and right with a virtual center line passing through the male terminal insertion center. Therefore, the female terminal housing chamber of the female housing in which the female terminal is housed also has an asymmetric shape on the left and right with the virtual center line interposed therebetween. As a result, it is possible to obtain an erroneous insertion prevention effect that prevents insertion when the female terminal is inserted into the female housing in an irregular direction.
  • the convex portion of the top wall to which the contact load from the spring piece is applied, and the lock portion and the receiving hole that prevent the top wall from opening are orthogonal to the male terminal insertion direction. Arranged in the same cross section. Thereby, the torsional deformation of the top wall when the convex part, the lock part, and the receiving hole are arranged at positions shifted in the male terminal insertion direction is prevented, and the top wall is more securely fixed.
  • a female terminal having the configuration of (1) or (2) above, wherein an angle between the box opening prevention piece and the lock portion is an acute angle.
  • the locking portion when the locking portion is at an acute angle with respect to the box opening prevention piece, when a force in the opening direction is applied to the top wall, the locking portion is more strongly hooked into the receiving hole, Alternatively, a component force in the direction of deeper insertion is applied. Thereby, it becomes difficult for the lock portion to be detached from the receiving hole, and the ceiling wall is more securely fixed.
  • the contact load is not reduced, and stable electrical conduction is possible.
  • FIG. 1A is a perspective view from above of a female terminal according to an embodiment of the present invention
  • FIG. 1B is a perspective view from below of the female terminal shown in FIG. .
  • 2 (a) and 2 (b) are a side view and a front view of the female terminal shown in FIGS. 1 (a) and 1 (b).
  • 3 is a cross-sectional view of the female terminal shown in FIG.
  • FIG. 4 is a cross-sectional view of the female terminal shown in FIG.
  • FIG. 5 is an enlarged view of a main part of the female terminal shown in FIG.
  • FIG. 6 is a cross-sectional view showing a state in which the female terminal shown in FIG. 4 is accommodated in the female housing.
  • 7A is a perspective view in which a part of a conventional connection terminal is cut out
  • FIG. 7B is a cross-sectional view of the connection terminal shown in FIG.
  • a female terminal 11 includes a box-shaped electrical contact portion 15 into which a male terminal 13 (see FIG. 3) is inserted, and a rear portion of the electrical contact portion 15.
  • a core caulking portion 17 also referred to as a wire barrel
  • a covering caulking portion 19 also referred to as an insulation barrel
  • the electrical contact portion 15, the core wire crimping portion 17, and the coating crimping portion 19 are formed by bending a single unfolded base plate in which a conductive metal plate is punched out in a predetermined shape by pressing. Each part is integrally formed.
  • the core wire crimping portion 17 has a pair of core wire crimping pieces 21 whose standing ends are open.
  • Dimples 23 are formed on the opposing inner surfaces of the core wire crimping pieces 21.
  • the dimple 23 increases the conductive contact property and caulking strength with a core wire of a coated electric wire (not shown).
  • serrations 25 are provided on the front side and the rear side of the opposing inner surfaces of the core wire crimping pieces 21 to enhance the core wire retainability.
  • the covering crimping portion 19 has a pair of covering crimping pieces 27 whose standing ends are open.
  • the female terminal 11 is the front side (left side in FIG. 3) into which the male terminal 13 is inserted, the rear side (right side in FIG.
  • the electrical contact portion 15 is formed in a substantially rectangular parallelepiped box shape, and the inside is an insertion space 29 for the male terminal 13.
  • the bottom wall 31 of the electrical contact portion 15 is formed with a terminal locking projection 33 and a lance hole 35 that are locked to a housing lance (not shown).
  • the box-shaped electrical contact portion 15 is bent continuously from the bottom wall 31, the first side wall 37 and the second side wall 39 rising from both ends of the bottom wall 31 in the terminal width direction, and the first side wall 37.
  • the spring piece 41 extending in the male terminal insertion direction (left and right direction in FIG. 3) so as to face 31 and the second side wall 39 are bent continuously and overlapped on the outer side of the spring piece 41 to be the upper part.
  • a lock portion 49 that is bent and formed and is latched in a receiving hole 47 formed in the first side wall 37.
  • the spring piece 41 of the present embodiment is bent at a right angle from one end 51 in the extending direction on the rear end side of the first side wall 37 toward the second side wall 39 and is a male terminal so as to face the bottom wall 31. It is configured in the shape of a cantilever extending in front of the terminal along the insertion direction.
  • the spring piece 41 generates a contact load with the male terminal 13 at the contact portion 42 on the free end side.
  • the female terminal 11 is electrically connected by receiving the male terminal 13 in the insertion space 29 of the electric contact portion 15 and elastically contacting the spring piece 41.
  • the receiving hole 47 is a rectangular opening formed in the first side wall 37 at a position corresponding to the lock portion 49 that is bent at the tip of the box opening prevention piece 45.
  • the lock portion 49 is locked to the receiving hole 47 by coming into contact with the hole opening edge 53 (see FIG. 5) of the receiving hole 47 formed in the first side wall 37.
  • a convex portion 55 is formed on the top wall 43 of the electrical contact portion 15 so as to protrude toward the insertion space 29.
  • the convex portion 55 becomes a fulcrum when the spring piece 41 abuts on the male terminal 13 and bends.
  • the box opening prevention piece 45 and the receiving hole 47 are arrange
  • the lock portion 49 is bent with respect to the box opening prevention piece 45 such that the included angle ⁇ (see FIG. 5) with the box opening prevention piece 45 is an acute angle. May be.
  • the receiving hole 47 is formed with an inclined surface in which the inner peripheral surface of the hole for locking the lock portion 49 faces upward in FIG. 5 along the insertion direction of the lock portion 49. This inclined surface is inclined parallel to the lock portion 49.
  • the box opening prevention piece 45 is bent and formed so as to overlap the outer side of the first side wall 37 continuously to the top wall 43.
  • the left and right are asymmetrical shapes across a virtual center line 59 (see FIG. 6) passing through the male terminal insertion center.
  • the female terminal accommodating chamber 63 of the female housing 61 in which the female terminal 11 is accommodated is also asymmetrical with respect to the virtual center line 59.
  • the spring piece 41 elastically contacts the male terminal 13 inserted into the insertion space 29 of the electrical contact portion 15.
  • the load of the spring piece 41 that is in elastic contact with the male terminal 13 is supported by the top wall 43 that is superimposed on the outside of the spring piece 41.
  • the ceiling wall 43 receives a load from the spring piece 41, the ceiling wall edge 67 (see FIG. 5) on the bending tip end tends to be deformed in a direction away from the first side wall 37 (floating direction). That is, the top wall 43 of the box-shaped electrical contact portion 15 is about to open.
  • the lock portion 49 of the box opening prevention piece 45 that is overlapped from the top wall edge 67 to the outside of the first side wall 37 is inserted into the receiving hole 47 of the first side wall 37 and locked.
  • the deformation of the top wall 43 in the direction away from the first side wall 37 is prevented.
  • the female terminal 11 has an increased engagement force for maintaining the box shape of the electrical contact portion 15.
  • the electrical contact portion 15 does not open, and a sufficient contact load by the spring piece 41 can be obtained.
  • the engaging force which maintains the box shape of the electric contact part 15 can be heightened only by a general bending process.
  • the electrical contact portion 15 provided with the box opening prevention piece 45 has an asymmetric shape on the left and right with a virtual center line 59 passing through the male terminal insertion center. Therefore, the female terminal accommodating chamber 63 of the female housing 61 in which the female terminal 11 is accommodated also has an asymmetric shape on the left and right with the virtual center line 59 interposed therebetween. Accordingly, it is possible to obtain an erroneous insertion prevention effect that prevents insertion when the female terminal 11 is inserted into the female housing 61 in an irregular direction.
  • the female terminal 11 which concerns on this embodiment, a contact load does not fall and stable electrical conduction is attained.
  • the female terminal according to the present invention is not limited to the above-described embodiment, and can be appropriately modified and improved.
  • the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.
  • the female terminal according to the present invention it is possible to provide a female terminal capable of stable electrical conduction without reducing the contact load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne une partie de contact électrique (15) d'un contact femelle (11) comprenant : une première paroi latérale (37) et une deuxième paroi latérale (39) s'élevant à partir des deux extrémités dans le sens de la largeur du contact d'une paroi inférieure (31) ; une pièce ressort qui s'étend à partir de la première paroi latérale (37) avant flexion ; une paroi supérieure (43) qui s'étend à partir de la deuxième paroi latérale (39) avant flexion et qui chevauche le côté externe de la pièce ressort ; une pièce de prévention d'ouverture de boîte (45) qui s'étend à partir de la paroi de plafond (43) avant flexion et qui chevauche le côté externe de la première paroi latérale (37) ; et une partie verrou (49) qui s'étend à partir de la pièce de prévention d'ouverture de boîte (45) avant flexion et qui s'encliquette dans un trou de réception (47) formé dans la première paroi latérale (37). 
PCT/JP2014/064243 2013-06-12 2014-05-29 Contact femelle WO2014199833A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480033120.XA CN105284011B (zh) 2013-06-12 2014-05-29 阴端子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-124112 2013-06-12
JP2013124112A JP6085527B2 (ja) 2013-06-12 2013-06-12 雌端子

Publications (1)

Publication Number Publication Date
WO2014199833A1 true WO2014199833A1 (fr) 2014-12-18

Family

ID=52022132

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/064243 WO2014199833A1 (fr) 2013-06-12 2014-05-29 Contact femelle

Country Status (3)

Country Link
JP (1) JP6085527B2 (fr)
CN (1) CN105284011B (fr)
WO (1) WO2014199833A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10276959B2 (en) 2015-01-30 2019-04-30 Te Connectivity Germany Gmbh Contact element and equipping arrangement with said contact element

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6211563B2 (ja) * 2015-07-31 2017-10-11 矢崎総業株式会社 端子金具
JP2018018703A (ja) * 2016-07-28 2018-02-01 矢崎総業株式会社 コネクタ
JP6781934B2 (ja) * 2017-04-26 2020-11-11 住友電装株式会社 端子
JP6865198B2 (ja) * 2018-07-17 2021-04-28 矢崎総業株式会社 端子
JP7165306B2 (ja) 2019-06-11 2022-11-04 株式会社オートネットワーク技術研究所 端子、及び、端子付き電線
JP7032462B2 (ja) * 2020-02-18 2022-03-08 矢崎総業株式会社 接続端子

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60249270A (ja) * 1984-05-23 1985-12-09 日産自動車株式会社 接続端子
JP2002522883A (ja) * 1998-08-03 2002-07-23 ティーワイシーオー エレクトロニクス ロジスティック エイジー ブッシングコネクタ
JP2003100373A (ja) * 2001-09-21 2003-04-04 Sumitomo Wiring Syst Ltd 端子金具
JP2005142066A (ja) * 2003-11-07 2005-06-02 Sumitomo Wiring Syst Ltd 雌端子金具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09134751A (ja) * 1995-11-08 1997-05-20 Yazaki Corp 端子金具における箱状部の接合構造
JP2004047269A (ja) * 2002-07-11 2004-02-12 Sumitomo Wiring Syst Ltd 端子金具
JP2004063324A (ja) * 2002-07-30 2004-02-26 Sumitomo Wiring Syst Ltd 端子金具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60249270A (ja) * 1984-05-23 1985-12-09 日産自動車株式会社 接続端子
JP2002522883A (ja) * 1998-08-03 2002-07-23 ティーワイシーオー エレクトロニクス ロジスティック エイジー ブッシングコネクタ
JP2003100373A (ja) * 2001-09-21 2003-04-04 Sumitomo Wiring Syst Ltd 端子金具
JP2005142066A (ja) * 2003-11-07 2005-06-02 Sumitomo Wiring Syst Ltd 雌端子金具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10276959B2 (en) 2015-01-30 2019-04-30 Te Connectivity Germany Gmbh Contact element and equipping arrangement with said contact element
EP3251172B1 (fr) * 2015-01-30 2020-08-26 TE Connectivity Germany GmbH Élément de contact et agencement d'équipement doté dudit élément de contact

Also Published As

Publication number Publication date
JP2014241269A (ja) 2014-12-25
CN105284011B (zh) 2017-06-30
JP6085527B2 (ja) 2017-02-22
CN105284011A (zh) 2016-01-27

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