EP0251518A2 - Connecteurs électriques - Google Patents
Connecteurs électriques Download PDFInfo
- Publication number
- EP0251518A2 EP0251518A2 EP87305029A EP87305029A EP0251518A2 EP 0251518 A2 EP0251518 A2 EP 0251518A2 EP 87305029 A EP87305029 A EP 87305029A EP 87305029 A EP87305029 A EP 87305029A EP 0251518 A2 EP0251518 A2 EP 0251518A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- arm
- locking bar
- passage
- passages
- terminal
- 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
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
- H01R13/4364—Insertion of locking piece from the front
Definitions
- This invention relates to electrical connectors, particularly but not exclusively for making electrical connection to devices such as electro-magnetic relays or the like wherein connection is to be made to a plurality of parallel blade terminals extending from one face of the device.
- an electrical connector the body of which contains a plurality of parallel terminal receiving passages and parallel locking bar receiving passages, terminals received in their respective passages being held against withdrawal from their passages by respective lances or the like on the terminals which engage shoulders in their respective passages and by parts of the passage wall defining respective arms which are deflected to engage behind the correctly positioned terminals by locking bars introduced into the locking bar passages.
- the locking bars are carried as integral components projecting from a common plate and the intention is that in the event that one or more terminal is not fully inserted into its respective passage then the or each terminal will obstruct the deflection of the respective arm so preventing full insertion of the respective locking bar. Since all of the locking bars are carried by a common plate, then should even one of the locking bars be prevented from reaching its fully inserted position then the plate will not be correctly engaged to the body of the connector and will provide a clear visual indication of the fact that one of the terminals at least is not properly inserted. As described in application 8430l3l5.2 the operative end regions of the locking bars are wedge-shaped to facilitate deflection of the respective arms.
- an electrical connector comprising a moulded synthetic resin body, a plurality of parallel terminal receiving passages in the body, said passages being open at one face of the body to permit insertion of respective terminals, and having abutment surfaces to limit movement of the terminals in the passages in the insertion direction, each of said passages having a shoulder intermediate the ends thereof for engagement by a locking latch of the terminal to resist withdrawal of the terminal, and each passage being open at an opposite face of the body to provide access to the terminals whereby mating terminals can be introduced into said terminals of the connector in use, the body further being provided with a plurality of locking bar passages extending into the body parallel to said terminal receiving passages, each locking bar passage being positioned adjacent a respective terminal receiving passage and the connector further including a plurality of locking bars for insertion into respective locking bar passages, the body defining, between each terminal receiving passage and its respective locking bar passage, a deflectable arm which can be deflected from a rest position, by introduction of a
- the locking bars are carried by a common locking plate which, when the bars are fully inserted in the body, engages said opposite face of the body, said plate having apertures therein to provide access to said terminal receiving passages.
- said locking bars are integral with said plate.
- the electrical connector is basically very similar to the connector disclosed in our European Patent Application 8430l3l5.2 and in view of the full description given in the specification of application 8430l3l5.2 only a general description of the basic construction will be given herein.
- the connector body ll is a generally cubic synthetic resin moulding and has associated therewith a moulded synthetic resin locking member l2. Extending through the body ll between upper and lower faces l3, l4 thereof, is a plurality of terminal receiving passages l5.
- the passages l5 are of two different sizes, adapted to receive different sizes of terminal l6, each of the terminals l6 being a flat socket terminal of the kind known as a LUCAR (Registered Trade Mark).
- the terminals l6 are inserted into their respective passages l5 from the ends of the passages l5 open at the lower face l4 of the body.
- Each terminal l6 includes an integral resilient lance l7 which is deflected by ramp l8 on the wall of the respective passage l5 as the terminal is inserted.
- the lance l7 can restore towards its original position to engage behind a shoulder l9 on the wall of the passage thus resisting withdrawal of the terminal l6 from the passage.
- each terminal receiving passage l5 Associated with each terminal receiving passage l5 is a respective locking bar receiving passage 2l.
- the locking bar passages 2l extend into the body ll from the face l3, and extend parallel to the terminal receiving passages l5.
- a region of the wall of the body ll which separates each terminal receiving passage l5 from its respective locking bar receiving passage 2l is shaped, at a point part way along the length of the passage l5, to define a resilient arm 22 extending in the direction of the length of the passages l5, 2l, and having its free end surface 23 presented towards the upper face l3 of the body ll.
- FIG 2 illustrates the locking bar arrangement described in our co-pending European Patent Application 8430l3l5.2, from which it can be seen that the locking bars 24 have inclined ramp surfaces 25 at their free ends for deflecting the respective arms 22.
- the ramp surfaces 25 provide the locking bars with a wedge-shaped configuration and thus after an arm 22 has been deflected sufficiently far to engage the misaligned terminal l6 then any additional insertion force applied to the locking bar is transmitted by the wedge-shaped end region primarily to the free end region of the arm 22, and through the arm 22 to the associated terminal l6.
- insertion force has been found in some cases to result in sufficient distortion of the free end region of an arm 22 and/or the associated terminal l6, to permit the locking bar 24 to be inserted "fully home” in its respective passage.
- Thereafter of corse there is no visual indication (as would otherwise arise from the locking bar not being "fully home") that a terminal is not fully inserted into its respective passage l5, and thus the visual appearance of the connector is that of a correctly assembled connector.
- each locking bar l24 is provided on its face presented to the respective passage l5 in use, with an integral longitudinal extending rib l25 terminating short of the free end of the locking bar l24 in a stop surface l26 extending transverse to the length of the locking bar l24.
- each locking bar l24 that is to say the region which coacts with the arm 22 in use, has a maximum thickness restricted to a value such that it will deflect the free end region of its respective arm 22 only sufficiently far to lightly engage a terminal l6 which has not been fully inserted into its respective passage l5. Notwithstanding this maximum thickness of the operative end region l27 of each bar l24 it will be understood that in the event that a terminal is fully inserted into a respective passage l5 then as the respective locking bar l24 reaches its fully inserted position sufficient deflection of the arm 22 will have occurred to cause the end surface 23 to lie behind the socket region of the respective terminal l6.
- the free end surface 23 of the arm remains in a position where it can be abutted by the stop surface l26 of the bar l24. Immediately such abutment occurs then further insertion movement of the bar l24 is prevented.
- the abutment of the surface l26 with the surface 23 is a face to face abutment in a plane at right angles to the insertion direction of the bar l24.
- the positioning of the stop surface l26 and the free end 23 of the arm 22 is such that when abutment occurs the bar l24 is someway short of its fully inserted position and thus a visual indication is given that the terminal l6 is not fully inserted in the passage l5.
- the abutment of the surface l26 with the surface 23 can of course accept considerable insertion force loading on the bar l23, and thus, short of total destruction of the connector, the bar l24 will not reach its fully inserted position and even an unskilled operator will recognise that there has been some failure to assemble the connector correctly.
- each bar l24 is tapered so as to present an inclined face to the respective arm 22 in order both to facilitate insertion of the bar into its passage 2l and to facilitate initial deflection of the respective arm 22 during insertion.
- each bar l24 Extending part way along the rib l25 of each bar l24 is a further rib l28 of increased height.
- Each rib l28 terminates short of the surface l26 and is provided in order to prevent insertion of the bar l24 in the event that the respective terminal l6 has been inserted back to front.
- Each terminal has a flat face from which the lance l7 projects and an opposite face defined by a pair of parallel rolled over portions. The rolled over portions should be presented towards the side of the passage l5 containing the arm 22 in which case the rib l28 can pass between the rolled over portions of the terminal during insertion of the bar l24.
- the locking bars l24 extend parallel to one another and are integral with a common locking plate to form the locking member l2 the plate having apertures therein to provide access, for mating terminals, to the terminals l6 in the passages l5.
- the undersurface of the plate of the locking member l2 engages the upper face l3 of the body ll. If any one of the associated terminals has not been fully introduced into its respective passage l5 then the plate of the locking member l2 cannot be brought into facial contact with the end face l3 of the body.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8615183 | 1986-06-21 | ||
GB868615183A GB8615183D0 (en) | 1986-06-21 | 1986-06-21 | Electrical connectors |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0251518A2 true EP0251518A2 (fr) | 1988-01-07 |
EP0251518A3 EP0251518A3 (en) | 1988-11-09 |
EP0251518B1 EP0251518B1 (fr) | 1992-04-01 |
Family
ID=10599867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19870305029 Expired EP0251518B1 (fr) | 1986-06-21 | 1987-06-08 | Connecteurs électriques |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0251518B1 (fr) |
DE (1) | DE3777892D1 (fr) |
GB (1) | GB8615183D0 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990004271A1 (fr) * | 1988-10-12 | 1990-04-19 | Trw Daut + Rietz Gmbh & Co. Kg | Dispositif de couplage electrique |
EP0427415A2 (fr) * | 1989-11-10 | 1991-05-15 | The Whitaker Corporation | Connecteur de traversée étanche pour véhicules |
EP0477610A1 (fr) * | 1990-09-15 | 1992-04-01 | Kabelwerke Reinshagen GmbH | Eléments de couplage enfichables multipolaires pour conducteurs électriques |
GB2251343A (en) * | 1990-11-26 | 1992-07-01 | Amp Inc | Double lock connector. |
EP0731529A2 (fr) * | 1995-03-07 | 1996-09-11 | Sumitomo Wiring Systems, Ltd. | Connecteur avec verrouillage |
EP0767515A3 (fr) * | 1995-10-03 | 1998-01-07 | The Whitaker Corporation | Connecteur électrique avec élément de rétention secondaire pour chargement frontal |
EP0827236A1 (fr) * | 1996-07-30 | 1998-03-04 | Sumitomo Wiring Systems, Ltd. | Connecteur électrique |
US6981899B1 (en) | 2004-07-27 | 2006-01-03 | Hubbell Incorporated | Electrical connector assembly with non-orthogonal jack stop surface for engaging plug latch abutment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0121324A1 (fr) * | 1983-03-05 | 1984-10-10 | LUCAS INDUSTRIES public limited company | Connecteurs électriques |
US4557542A (en) * | 1984-06-11 | 1985-12-10 | Amp Incorporated | Connector with means for retaining terminals and verifying seating |
-
1986
- 1986-06-21 GB GB868615183A patent/GB8615183D0/en active Pending
-
1987
- 1987-06-08 EP EP19870305029 patent/EP0251518B1/fr not_active Expired
- 1987-06-08 DE DE8787305029T patent/DE3777892D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0121324A1 (fr) * | 1983-03-05 | 1984-10-10 | LUCAS INDUSTRIES public limited company | Connecteurs électriques |
US4557542A (en) * | 1984-06-11 | 1985-12-10 | Amp Incorporated | Connector with means for retaining terminals and verifying seating |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990004271A1 (fr) * | 1988-10-12 | 1990-04-19 | Trw Daut + Rietz Gmbh & Co. Kg | Dispositif de couplage electrique |
US5114360A (en) * | 1988-10-12 | 1992-05-19 | Trw Daut & Rietz Gmbh & Co. Kg | Electrical coupling device |
EP0427415A2 (fr) * | 1989-11-10 | 1991-05-15 | The Whitaker Corporation | Connecteur de traversée étanche pour véhicules |
EP0427415A3 (en) * | 1989-11-10 | 1992-02-05 | Amp Incorporated | Sealed bulkhead connector for vehicles |
EP0477610A1 (fr) * | 1990-09-15 | 1992-04-01 | Kabelwerke Reinshagen GmbH | Eléments de couplage enfichables multipolaires pour conducteurs électriques |
GB2251343A (en) * | 1990-11-26 | 1992-07-01 | Amp Inc | Double lock connector. |
US5160279A (en) * | 1990-11-26 | 1992-11-03 | Amp Incorporated | Double lock connector |
GB2251343B (en) * | 1990-11-26 | 1994-12-21 | Amp Inc | Double lock connector |
EP0731529A2 (fr) * | 1995-03-07 | 1996-09-11 | Sumitomo Wiring Systems, Ltd. | Connecteur avec verrouillage |
EP0731529A3 (fr) * | 1995-03-07 | 1997-10-15 | Sumitomo Wiring Systems | Connecteur avec verrouillage |
US5863224A (en) * | 1995-03-07 | 1999-01-26 | Sumitomo Wiring Systems, Ltd. | Retainer type connector |
EP0767515A3 (fr) * | 1995-10-03 | 1998-01-07 | The Whitaker Corporation | Connecteur électrique avec élément de rétention secondaire pour chargement frontal |
EP0827236A1 (fr) * | 1996-07-30 | 1998-03-04 | Sumitomo Wiring Systems, Ltd. | Connecteur électrique |
US5928034A (en) * | 1996-07-30 | 1999-07-27 | Sumitomo Wiring Systems, Ltd. | Connector with terminal locking and locking assurance features |
EP1032080A1 (fr) * | 1996-07-30 | 2000-08-30 | Sumitomo Wiring Systems, Ltd. | Connecteur électrique |
CN1123096C (zh) * | 1996-07-30 | 2003-10-01 | 住友电装株式会社 | 连接器 |
US6981899B1 (en) | 2004-07-27 | 2006-01-03 | Hubbell Incorporated | Electrical connector assembly with non-orthogonal jack stop surface for engaging plug latch abutment |
Also Published As
Publication number | Publication date |
---|---|
DE3777892D1 (de) | 1992-05-07 |
GB8615183D0 (en) | 1986-07-23 |
EP0251518B1 (fr) | 1992-04-01 |
EP0251518A3 (en) | 1988-11-09 |
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