EP0654855A1 - Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln - Google Patents
Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln Download PDFInfo
- Publication number
- EP0654855A1 EP0654855A1 EP93117133A EP93117133A EP0654855A1 EP 0654855 A1 EP0654855 A1 EP 0654855A1 EP 93117133 A EP93117133 A EP 93117133A EP 93117133 A EP93117133 A EP 93117133A EP 0654855 A1 EP0654855 A1 EP 0654855A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal
- latch
- passageway
- electrical connector
- arm
- 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
Links
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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
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
- H01R13/415—Securing in non-demountable manner, e.g. moulding, riveting by permanent deformation of contact member
Definitions
- This invention generally relates to the art of electrical connectors and, particularly, to a retention means for a contact terminal of the connector.
- a wide variety of electrical connectors include dielectric housings within which are secured a plurality of metallic contact terminals by mechanical means.
- terminals usually were retained within connector housings by molding the housing around the terminals, potting the terminals within the housing or force fitting the terminals in passageways for permanent retention.
- small terminals most often have been stamped and formed from thin sheet metal material, with the terminals including locking lances or fingers which protrude at an appropriate angle laterally to engage behind stop surfaces within the housing passageway to secure the terminals against withdrawal.
- the locking fingers are resilient and deflect inwardly toward the terminal during insertion of the terminal into a passageway in the connector housing, and then the locking fingers spring back and engage behind the stop surfaces.
- Another typical terminal retention means employs locking fingers on the plastic housing extending into the terminal-receiving passageway.
- the locking fingers on the housing initially are deflected by the terminal during insertion and then spring back and engage behind stop surface means on the terminal upon full insertion.
- This invention is directed to solving those problems by providing a terminal retention means or system wherein conventional stamped and formed terminals are very simply secured tightly within their connector housing passageways by deformable locking fingers.
- An object, therefore, of the invention is to provide a new and improved terminal retention means for electrical connectors.
- an electrical connector is disclosed with a dielectric housing having at least one terminal-receiving passageway defining a terminal-insertion axis.
- the housing includes a latch shoulder in the passageway.
- a terminal is insertable along the axis into the passageway.
- the terminal includes a latch arm for latching behind the latch shoulder to prevent removal of the terminal from the passageway.
- the latch arm of the terminal be a deformable member which is permanently deformable from a first, insertion position to a second, latching position.
- the latch arm In the insertion position, the latch arm is juxtaposed along the terminal to permit insertion of the terminal into the passageway.
- the latch arm In the latching position, the latch arm is deformed transversely from the first position into engagement with the latch shoulder to prevent removal of the terminal from the passageway.
- the terminal is stamped and formed from sheet metal material and includes a mating end, a terminating end and an intermediate body portion therebetween.
- the body portion is generally box-shaped as defined by a plurality of side walls.
- the latch arm is on one of the side walls and is a generally planar portion of the terminal.
- the latch arm is deformable in a direction generally parallel to the plane of the arm.
- the dielectric housing has a pair of the latch shoulders generally on opposite sides of the terminal-receiving passageway, and the terminal includes a pair of deformable latch arms spreadable into latching engagement with the latch shoulders.
- the invention also contemplates a method of assembling an electrical connector which includes terminals having latch arms permanently deformable into engagement with latch shoulders within terminal-receiving passageways of the connector housing to prevent removal of the terminals from the passageways.
- a terminal generally designated 10 to incorporate the concepts of the invention.
- the terminal includes a mating end, generally designated 12, a terminating end, generally designated 14, and an intermediate body portion, generally designated 16, between the ends.
- Mating end 12 of terminal 10 is a female mating end for receiving a male terminal blade.
- the mating end includes a pair of bifurcated terminal arms 12a which are flared apart to define an entry mouth 12b into which a flat terminal blade is insertable.
- the blade is of a thickness to spread terminal arms 12a and establish good contact with the arms in a contacting area 12c.
- Terminating end 14 of terminal 10 includes a pair of contact arms 14a which can be spread apart, as at 14b, to provide some relative flexibility therebetween. Terminating arms 14a are adapted to form solder tails for insertion into an appropriate hole in a printed circuit board for soldered electrical connection to circuit trace means on the board and/or in the hole.
- Intermediate body portion 16 of terminal 10 is box-shaped as defined by opposite pairs of side walls 16a and 16b.
- the box-shaped body portion defines a generally rectangular cavity therewithin and can be used as a contact in e.g. a fuse box for an automotive application.
- a contact e.g. a fuse box for an automotive application.
- terminal 10 is not intended to be limiting, because the broader concepts of the invention have applicability for a wide range of terminal shapes or configurations.
- terminal 10 include at least one pair of latch arms 20 which are permanently deformable into latching condition within a connector housing, as described hereinafter.
- a pair of latch arms 20 are stamped and formed out of one or both walls 16a on one or both opposite sides of body portion 16 of terminal 10.
- the latch arms have necked-down base areas 20a about which the arms primarily are deformed.
- the latch arms comprise generally planar portions generally coplanar with side walls 16a.
- the latch arms are permanently deformable in a direction generally parallel to the planes of the arms, as indicated by arrows "A" in Figure 1.
- latch arms or locking fingers of previous stamped and formed metal terminals have been flexible or resilient about the bases or roots of the arms in a direction generally perpendicular to the planes of the arms. Therefore, the arms flex in one direction and spring back to their initial or latching positions. This is in contrast to the concepts of the invention wherein latch arms 20 are intended to be deformed 'permanently". In other words, it is not intended for the latch arms to spring back to any initial or insertion positions.
- the invention contemplates an electrical connector which includes a dielectric housing, generally designated 22, having at least one terminal-receiving passageway 24 defining a terminal-insertion axis 26 (Fig. 3).
- the dielectric housing may include a plurality of terminal-receiving passages 24, the following description will refer to the one illustrated passageway 24 in conjunction with one of the terminals 10.
- each passageway 24 includes a pair of stop shoulders 28 on one or both opposite sides of the passageway, latch shoulders 30 on opposite sides of the passageway and tool-receiving recesses 32 on opposite sides of the passageway, all for purposes described below.
- stop shoulders 28 engage ledges 34 (Fig. 1) of terminal 10
- terminal 10 in inserted into passageway 24 in the direction of arrows "B".
- the terminals are inserted by an insertion and deforming tool 40 which has a triangulated end as seen best at 42 in Figure 6.
- the tool also has a central recessed area 44 as seen best in Figure 5.
- the terminal is engaged by triangulated end 42 of the tool as seen in Figure 6, whereby the terminal is inserted in the direction of arrows "B” until ledges 34 on the terminal engage stop shoulders 28 within the housing passageway as seen best in Figure 5. This defines the fully inserted position of the terminal.
- Tool 40 then is forced further against latch arms 20 in the direction of arrow "C" as illustrated in Figure 7.
- the triangulated configuration at end 42 of the tool is effective to permanently deform the latch arms by spreading the latch arms apart in the direction of arrows "D".
- the latch arms are deformed outwardly such that the distal ends of the latch arms seat tightly against latch shoulders 30 of housing 22 within passageway 24.
- recess 44 (Fig. 5) within the end of the tool accommodates terminating arms 14a of the terminal.
- recesses 32 on opposite sides of passageway 24 accommodate the full width of tool 40 to ensure that there is adequate area on the triangulated end portions of the tool to engage and deform the thin metal latch arms 20 of the terminal.
- the latch arms remain permanently deformed in engagement with latch shoulders 30.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19930117133 EP0654855B1 (de) | 1993-10-22 | 1993-10-22 | Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln |
DE1993618840 DE69318840T2 (de) | 1993-10-22 | 1993-10-22 | Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19930117133 EP0654855B1 (de) | 1993-10-22 | 1993-10-22 | Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0654855A1 true EP0654855A1 (de) | 1995-05-24 |
EP0654855B1 EP0654855B1 (de) | 1998-05-27 |
Family
ID=8213363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19930117133 Expired - Lifetime EP0654855B1 (de) | 1993-10-22 | 1993-10-22 | Elektrischer Verbinder mit verbesserten Anschlusshaltemitteln |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0654855B1 (de) |
DE (1) | DE69318840T2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010033173A1 (en) * | 2010-08-03 | 2012-02-09 | Phoenix Contact Gmbh & Co. Kg | Contact element i.e. insulation displacement connector contact for arrangement in connector socket, has snap-in element for fastening contact element within connection socket, where snap-in element includes spring arms |
CN110581398A (zh) * | 2013-09-19 | 2019-12-17 | 泰连公司 | 电力端子连接器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1034599A (en) * | 1964-05-29 | 1966-06-29 | Cherry Electrical Prod | Housing for an electrical device |
US3500299A (en) * | 1968-02-29 | 1970-03-10 | Conalco Metals Inc | Electrical plug and pin structure |
EP0545529A2 (de) * | 1991-11-30 | 1993-06-09 | Nec Corporation | Elektrischer Steckverbinder |
-
1993
- 1993-10-22 DE DE1993618840 patent/DE69318840T2/de not_active Expired - Fee Related
- 1993-10-22 EP EP19930117133 patent/EP0654855B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1034599A (en) * | 1964-05-29 | 1966-06-29 | Cherry Electrical Prod | Housing for an electrical device |
US3500299A (en) * | 1968-02-29 | 1970-03-10 | Conalco Metals Inc | Electrical plug and pin structure |
EP0545529A2 (de) * | 1991-11-30 | 1993-06-09 | Nec Corporation | Elektrischer Steckverbinder |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010033173A1 (en) * | 2010-08-03 | 2012-02-09 | Phoenix Contact Gmbh & Co. Kg | Contact element i.e. insulation displacement connector contact for arrangement in connector socket, has snap-in element for fastening contact element within connection socket, where snap-in element includes spring arms |
DE102010033173A9 (de) | 2010-08-03 | 2012-03-08 | Phoenix Contact Gmbh & Co. Kg | Kontaktelement zur Anordnung in einer Anschlussbuchse |
DE102010033173B4 (de) * | 2010-08-03 | 2012-05-24 | Phoenix Contact Gmbh & Co. Kg | Kontaktelement zur Anordnung in einer Anschlussbuchse |
CN110581398A (zh) * | 2013-09-19 | 2019-12-17 | 泰连公司 | 电力端子连接器 |
Also Published As
Publication number | Publication date |
---|---|
DE69318840T2 (de) | 1998-09-24 |
DE69318840D1 (de) | 1998-07-02 |
EP0654855B1 (de) | 1998-05-27 |
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