EP0718920A1 - Anschlusselement mit sekundären Verriegelungsgitterelement für Steckverbinder - Google Patents

Anschlusselement mit sekundären Verriegelungsgitterelement für Steckverbinder Download PDF

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Publication number
EP0718920A1
EP0718920A1 EP95402852A EP95402852A EP0718920A1 EP 0718920 A1 EP0718920 A1 EP 0718920A1 EP 95402852 A EP95402852 A EP 95402852A EP 95402852 A EP95402852 A EP 95402852A EP 0718920 A1 EP0718920 A1 EP 0718920A1
Authority
EP
European Patent Office
Prior art keywords
intended
grid
connector
row
passages
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95402852A
Other languages
English (en)
French (fr)
Other versions
EP0718920B1 (de
Inventor
Gilles Chemin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FCI SA
Original Assignee
Framatome Connectors International SAS
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 Framatome Connectors International SAS filed Critical Framatome Connectors International SAS
Publication of EP0718920A1 publication Critical patent/EP0718920A1/de
Application granted granted Critical
Publication of EP0718920B1 publication Critical patent/EP0718920B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4361—Insertion of locking piece perpendicular to direction of contact insertion
    • 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
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal

Definitions

  • the present invention relates to electrical connectors intended to be connected to a complementary connector by plugging. It relates more particularly to electrical connectors having an insulating body of rectangular section pierced with at least one row of passages parallel to the direction of insertion, intended to receive contact terminals, and at least one side wall of which is cut to form lugs, the elasticity of which tends to keep them in a projecting position inside the passage where they hold the terminals in abutment against a rearward facing shoulder formed in the passages.
  • the latches In miniature connectors which are more and more used in electronics, and in particular in the automobile field, the latches have a very small thickness and are fragile. They may allow the contacts to escape either by bending or by breaking.
  • Connectors have already been proposed, further comprising a part, often called a grid, which covers the front end part of the body and prevents the latches from bending and releasing the contacts when this grid is in place.
  • the grid is generally designed so that it can only be inserted if all the terminals are fully pushed in and locked. Otherwise, the grid abuts against the tabs bent outwards.
  • the invention aims in particular to provide a connector comprising a grid fulfilling these functions in a simple manner, and moreover ensuring a locking which one can qualify as secondary, much more energetic than the locking effected by the latches and which one can qualify as "primary".
  • the invention therefore provides a connector comprising a grid of the kind defined above, characterized in that the locking grid in one piece, has a bottom intended to be applied against a front end face of the body and pierced with holes in alignment with the passages, two lateral flanks of spacing such that they frame the two walls of the body orthogonal to the row or to the rows, and two lateral flaps connected to the bottom by flexible parts, intended for apply against the external walls of the body parallel to the row, each having terminal internal extensions intended to penetrate through windows of the body to retain the grid and block the terminals of a row, said flaps also prohibiting the lifting of the latches from the position where they protrude into the passages.
  • the connector 10 shown in Figures 1 and 2 is intended to be coupled by plugging in a complementary connector, the size of which is shown schematically in dashes.
  • This complementary connector 12 is for example of the type described in the patent application filed on the same day as the present application under the title "Connector for locking the terminals by grid”. It will subsequently be assumed that the connector 10 is intended to receive female contact terminals 13 in the form of a cage (FIG. 3), while the complementary connector 12 is intended to receive contact terminals in the form of a tongue, not shown. But this provision is by no means exclusive.
  • the connector 10 can be viewed as comprising a body 14 made of insulating material (generally filled plastics material) produced by molding, a locking grid 16, a grommet 18 and a plate 20 intended to keep the grommet in compression.
  • the connector 10 shown also includes an annular interfacial seal 22, made of elastomer, intended to ensure a tight connection with the complementary connector 12.
  • the grommet 18, the plate 20 and the interfacial seal 22 will not be further described, because they can have a classical constitution and are not directly concerned with the invention.
  • the body 14 of the connector 10 shown is pierced with two rows of passages 24 extending parallel to the direction of insertion. These passages have a substantially constant rectangular section over their entire length. They open, through the front face of the body, through holes of reduced dimensions, sufficient to allow passage to the tabs of the connector 12. A shoulder 28 between each passage 24 and the corresponding hole constitutes a stop for limitation of the movement of the terminals 13 forwards.
  • the body shown in Figure 1 has a longitudinal rib 30 in each passage. This rib is intended to engage in a notch of the corresponding terminal and to allow the insertion of the terminal only in one orientation.
  • each of the walls of the body parallel to the rows are cut lugs 32 having a notch 34 directed inwards, projecting in the passage when the latch is relaxed.
  • the notch has a slope allowing the insertion of the terminal 13.
  • the front it has an abrupt face intended to prevent the withdrawal of the terminal 13 once the notch is engaged in a locking window 36 of terminal.
  • the two faces of the body orthogonal to the rows each have a hooking spout 38 having a face inclined towards the front and an abrupt face towards the rear, intended to retain the locking grid 16, as will be seen below.
  • the locking grid 16 shown in Figures 6 to 11 is intended to be able to be manufactured in one piece by molding, generally of plastic material which may contain fillers.
  • This grid can be viewed as having a bottom 40 intended to be applied against the front face of the body, two sides oriented at 90 ° from the bottom and intended to hang on the spouts 38 and two folding flaps 44 intended to come s '' press against the faces of the body parallel to the rows and lock the terminals.
  • the flaps 44 are connected to the bottom by portions of the grid thinner than the rest of the grid, intended to constitute flexible hinges 46.
  • the bottom 40 of the grid is of substantially constant thickness and is pierced with holes 48 placed in the extension of the passages and of dimensions sufficient to be crossed by the tongues of the complementary connector 12.
  • the two sides 42 each have an internal spout 50 intended to hang on a respective spout 38 of the body.
  • the spouts 50 have an inclined front face (in the direction of engagement of the grid on the body).
  • the rear face is on the contrary abrupt and it is at a distance from the bottom such that the bottom of the grid is substantially in abutment against the front face of the body when the spouts 38 and 50 are mutually hooked ( Figures 1 and 2).
  • the elasticity of the connection zones of the sidewall with the bottom is sufficient to allow engagement.
  • the flaps 44 have a central part intended to be applied against a face of the body parallel to the rows.
  • Each central part has at its end internal projections 52 each intended to pass through a corresponding window of the body and to engage in a notch 56 of a respective terminal to lock the terminal ( Figure 3).
  • Means are provided for retaining the flaps 44 in the position where they lock the terminals.
  • these means comprise two wings 58 on each flap 44. These wings are bent at 90 ° so that their end part comes to bear against the external face of the sides 42. Notches 60 of the wings come then snap onto notches 62 projecting outwards, coming from molding with the sides 42.
  • the mounting of the connector is apparent from the above description.
  • the terminals, provided with their wires which pass through the grommet 18 are inserted one by one until each terminal is retained by a respective latch 32 which ensures sufficient primary locking to prevent the terminals from escaping.
  • the grid is then fitted onto the body, with the flaps 44 in the deployed state, until the spouts 38 and 50 are in mutual engagement.
  • the flaps 44 are then folded down. Each flap can only be completely folded down insofar as all the latches carried by the adjacent face of the body are in the position shown in FIG. 2. Once the flaps 44 are in the position where they are shown in Figure 2, their projections 52 prohibit the removal of the terminals 13, thus ensuring a secondary locking. In addition, they strengthen the primary lock by preventing the latches from bending outward.
  • the notches 60 come to hang on the corresponding fingers 62 and immobilize the grid on the body.
  • the grid is advantageously constructed so that it can be produced by molding in a mold having a reduced number of movable drawers. For this, the grid is molded in the deployed state where it is represented in FIG. 6. As shown in FIGS. 6, 8 and 9, all the spaces intended to receive material to constitute the internal projections can be delimited by two molding sides.
  • the body may have more than two rows of passage: in this case the grid will include additional partitions transverse to the bottom, intended to engage in slots in the body to retain the latches of the row or central rows of passages.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP95402852A 1994-12-19 1995-12-18 Steckverbinder mit sekundärem Verriegelungsgitter für die Anschlusselemente Expired - Lifetime EP0718920B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9415245 1994-12-19
FR9415245A FR2728397A1 (fr) 1994-12-19 1994-12-19 Connecteur a grille de verrouillage secondaire des bornes

Publications (2)

Publication Number Publication Date
EP0718920A1 true EP0718920A1 (de) 1996-06-26
EP0718920B1 EP0718920B1 (de) 1997-08-20

Family

ID=9469923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402852A Expired - Lifetime EP0718920B1 (de) 1994-12-19 1995-12-18 Steckverbinder mit sekundärem Verriegelungsgitter für die Anschlusselemente

Country Status (6)

Country Link
US (1) US5586918A (de)
EP (1) EP0718920B1 (de)
AT (1) ATE157202T1 (de)
DE (1) DE69500577T2 (de)
ES (1) ES2107287T3 (de)
FR (1) FR2728397A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308928A (en) * 1996-01-05 1997-07-09 Whitaker Corp Sealable electrical connector

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59608044D1 (de) * 1995-08-01 2001-12-06 Tyco Electronics Logistics Ag Steckverbinder
DE19540247C2 (de) * 1995-10-28 1999-11-04 Delphi Automotive Systems Gmbh Mehrpoliger elektrischer Steckverbinder
EP0948101B1 (de) * 1998-04-02 2002-11-27 The Whitaker Corporation Elektrischer Steckverbinder zur Herstellung des Kontakts mit mindestens einer flachen Leiterfolie
DE10030652C1 (de) * 2000-06-23 2001-08-09 Yazaki Europe Ltd Steckverbindungselement mit einer Ausziehsicherung
DE10227347B4 (de) * 2001-06-22 2009-03-05 Sumitomo Wiring Systems, Ltd., Yokkaichi Verbinder

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017141A (en) * 1973-05-23 1977-04-12 Bury Allen J Connectors with primary and secondary lock structure
GB2024537A (en) * 1978-06-28 1980-01-09 Labinal Electrical Connectors
GB2062979A (en) * 1979-11-07 1981-05-28 Labinal Housing elements for electrical connectors
GB2071926A (en) * 1980-03-13 1981-09-23 Labinal A connector housing with contact retaining means
EP0425130A2 (de) * 1989-10-26 1991-05-02 The Whitaker Corporation Elektrischer Verbinder mit zusätzlicher schwenkbarer Verriegelung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2695487B2 (ja) * 1989-09-29 1997-12-24 日本エー・エム・ピー株式会社 電気コネクタ
US5322456A (en) * 1991-08-14 1994-06-21 Yazaki Corporation Connector with terminal retainer
JP2580711Y2 (ja) * 1993-03-08 1998-09-17 矢崎総業株式会社 コネクタハウジング

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017141A (en) * 1973-05-23 1977-04-12 Bury Allen J Connectors with primary and secondary lock structure
GB2024537A (en) * 1978-06-28 1980-01-09 Labinal Electrical Connectors
GB2062979A (en) * 1979-11-07 1981-05-28 Labinal Housing elements for electrical connectors
GB2071926A (en) * 1980-03-13 1981-09-23 Labinal A connector housing with contact retaining means
EP0425130A2 (de) * 1989-10-26 1991-05-02 The Whitaker Corporation Elektrischer Verbinder mit zusätzlicher schwenkbarer Verriegelung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308928A (en) * 1996-01-05 1997-07-09 Whitaker Corp Sealable electrical connector
GB2308928B (en) * 1996-01-05 2000-02-23 Whitaker Corp Sealable electrical connector

Also Published As

Publication number Publication date
DE69500577T2 (de) 1998-03-05
ES2107287T3 (es) 1997-11-16
US5586918A (en) 1996-12-24
FR2728397B1 (de) 1997-02-21
EP0718920B1 (de) 1997-08-20
ATE157202T1 (de) 1997-09-15
DE69500577D1 (de) 1997-09-25
FR2728397A1 (fr) 1996-06-21

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