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
  • H01R13/02—Contact members
  • H01R13/10—Sockets for co-operation with pins or blades
  • H01R13/11—Resilient sockets
  • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
• • 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
  • H01R13/112—Resilient sockets forked sockets having two legs
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
  • H01R12/50—Fixed connections
  • H01R12/51—Fixed connections for rigid printed circuits or like structures
  • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
  • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D5/00—Power-assisted or power-driven steering
  • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R2201/00—Connectors or connections adapted for particular applications
  • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

• the present invention relates to the technical field of female connectors for receiving a blade-shaped male connector to form a pluggable electrical connection system several times.
• a female connector by punching a metal blank so that the female connector is formed of a connecting lyre comprising two facing contact legs which define a insertion slot of the connection blade and which are intended to pinch the connecting blade.
• the female connector further comprises a foot for attachment to a circuit.
• the female connector thus formed is made by punching a metal blank.
• Such a female connector effectively makes it possible to connect in an easily removable manner a connecting blade in a direction of insertion parallel to the branches of the female connector.
• a female connector has the disadvantage of not providing a quality of contact between the male connector and the female connector for the passage of high intensity current without risk of overheating insofar as the contact surface of the branches is formed by the edge of the metal blank, which makes it necessary to multiply the number of lyres.
• the quality of the contact is altered so that the risk of overheating is increased.
• the invention relates to a female connector for a connector blade, which connector is made from a metal flank and which comprises:
• connection lyre comprising at least two facing contact branches which define an insertion slot of the connection blade and which are intended to clamp the connecting blade
• the two contact legs each comprise an arcuate contact end which is connected by a segment connecting straight to a bent core in "U” or “C” located opposite and facing the insertion slot, said contact end having at least one convex surface facing inwardly of the slot of insertion, and in that each contact branch has a width measured parallel to a median plane of the receiving space, greater than or equal to the thickness of the metal blank.
• Such a female connector which can be made by punching and folding a metal blank, provides a good quality of connection due to the contact surface offered by the ends of the contact legs.
• the U-shape of the lyre formed by folding the blank parallel to its large faces, perpendicularly to its edges makes it possible to obtain a high stiffness and thus a high contact pressure so as to reduce the contact resistance, this allows the passage of high current without risk of overheating.
• the fixing foot is intended to bear on a circuit, in particular to be fixed.
• the two contact legs are intended to clamp the connection blade with their arcuate contact ends.
• the connecting segment of a contact branch forms a branch of the arched core in the shape of "U” or "C".
• one of the two contact legs, said main branch, laterally door at the corresponding connecting segment at least one fixing assembly comprising said fixing foot.
• the fixing assembly comprises a lateral arm located in the plane of the connecting segment and extended by a leg which extends parallel to the connecting segment and the opposite of the contact end and which carries, opposite the lateral arm, the fixing foot formed by folding the free end of the leg.
• the main branch carries two sets of attachment symmetrical with respect to the core and located on either side of the connecting segment of the main branch.
• These two sets of fasteners guarantee a stability of the female connector especially during the insertion of the connecting blade.
• these two fastening assemblies increase the mechanical strength of the attachment of the connector to the circuit, as well as the quality of the electrical connection of the female connector to the conducting support which carries it.
• the leg of the fixing assembly has a height, measured between a fixing face of the corresponding fixing foot and an opposite side of the lateral arm, which is greater than or equal to at 30% of the total height of the female connector measured between the fixing face of the fixing foot and the point of the contact end (14) which is farthest from the fixing face.
• the fixing face of the foot corresponds to the face of the foot intended to come into contact with the circuit.
• the leg of the fastener assembly has a width ', measured in particular parallel to a median plane of the slit, which is less than the width £ of the contact limbs.
• the contact end of a first contact leg is connected to the connecting segment by an arcuate intermediate concavity segment inverted with respect to the contact end.
• said intermediate segment makes it possible to position the contact end of the first branch set back from a plane tangential to an internal face of the connecting segment of the first branch.
• the contact surface of the contact end of a second contact branch is at least at least tangent to a plane tangential to an inner face of the connecting segment of the first branch of contact.
• the Receiving slot is therefore substantially centered on the middle fiber or the median plane of the connecting segment and the legs.
• the median plane of the receiving slot is substantially aligned with the leg or legs of the fastening assemblies so that the forces resulting from the insertion of the blade into the receiving slot are substantially aligned with the legs which avoids their deformation or flexion during said insertion.
• the contact branch comprising the arched intermediate segment is the main contact branch.
• each contact end is split and comprises at least two parallel contact fingers.
• the space delimiting the two contact fingers at each branch of the lyre extends parallel to the branches and defines the contact fingers which make it possible to optimize the quality of contact with the blade by allowing an adjustment to the shape of this blade. last.
• the space separating the two fingers therefore extends in a longitudinal direction of the contact branch.
• the invention also relates to a female connector for a connection blade, which connector is made from a metal flank and which comprises:
• connection lyre comprising at least two facing contact branches which define an insertion slot of the connection blade and which are intended to clamp the connecting blade
• each contact leg each comprise an arcuate contact end which is connected by a straight connection segment to a curved "U" or “C” core situated opposite and opposite the slot of insertion, said contact end having at least one convex surface oriented towards the inside of the insertion slot, and in that one of the two contact legs, said main branch, bears laterally at the corresponding connecting segment , two fastening assemblies each comprising a fixing foot, the two fastening assemblies being symmetrical with respect to the core and located on either side of the connecting segment of the main branch.
• each contact branch has a width measured parallel to a median plane of the insertion slot, greater than or equal to the thickness of the metal blank.
• This female connector may include one of the features described above for the other connector according to the invention and which are compatible.
• the invention also relates to a power supply unit of a power steering motor comprising at least one power supply conductor on which is fixed at least one female connector according to the invention.
• FIG. 1 is a schematic perspective of a female connector according to the invention.
• FIG. 2 is a longitudinal section of a female connector according to the invention.
• FIG. 3 is an elevation in front view of the female connector illustrated in FIGS. 1 and 2.
• FIG. 4 is a side elevation of a connection system implementing three female connectors according to the invention, such as the female connector illustrated in FIG. 1.
• FIG. 5 is a schematic perspective of a power supply housing comprising three female connectors according to the invention.
• a female connector according to the invention as shown in Figure 1 being designated by the reference 1, comprises three distinct functional regions namely a lyre connection 2, an attachment region 3 on an electrical circuit not shown , and a bending region 4 which provides the connection between the fixing region 3 and the connection lyre 2. This decomposition into three regions each ensuring a single function ensures the quality of the connection with a blade, not shown, located in an insertion slot defined by the lyre 2.
• the female connector 1 according to the invention can be formed by punching, stamping and folding a metal blank according to techniques well known to those skilled in the art so that it is not necessary to describe them here in detail.
• the female connector 1, according to the invention then forms a one-piece assembly.
• the metal used may be of any suitable nature and in particular have suitable surface treatments depending on how the connector is attached to the corresponding electrical conductor.
• connection lyre 2 of the female connector 1 comprises two contact legs 10 and 11 which define a slot 12 for insertion of a not shown connection blade.
• the two contact legs 10 and 11 are connected to each other at their base opposite the slot 12 by a core shaped "U” or "C".
• the two contact legs 10 and 11 each comprise a contact end, respectively 14 and 15.
• Each contact end 14 and 15 has an arcuate shape whose concavity is oriented towards the outside of the slot 12 so that the contact ends provide a convex surface towards the inside of the insertion slot 12.
• the contact leg 10, 11, in particular the contact end 14, 15, present a width ⁇ , measured parallel to a median plane P of the insertion slot 12, greater than the thickness e of the metal blank from which the female connector 1 is formed. It should be noted that the contact strips 10 and 11 have the same width sur over their entire length which also corresponds in this case to the width of the core 13.
• the contact ends 14 and 15 are each divided into two contact fingers, respectively 16, 17 and 18, 19, by a longitudinal slot 20 which extends over only a portion of the corresponding contact branch.
• Each contact leg 10, 11 comprises, between the core 13 and the corresponding contact end, 14, 15 a connecting segment, respectively 30, 30 ', straight or rectilinear, in side view, like this Figure 2.
• the straight character of the connecting segments 30 and 30 ' gives a generally U-shaped shape to the core 13.
• the connecting segment 30 of the first branch 10, also called main branch, carries two fastening assemblies 31, 32, symmetrical to each other with respect to said main branch 10.
• Each fastening assembly 31 , 32 includes a lateral arm 33 which is situated in the plane of the connecting segment 30.
• the arm 33 carries, opposite the connecting segment 30, a leg 34 which extends parallel to the main branch 10 and is also coplanar with the segment 30.
• Each leg 34 bears, opposite the lateral arm 33 and the contact end 14, a fixing foot 35 formed by folding the free end of said leg 34.
• the fixing foot 35 is intended to to be fixed to a conductive support so that its attachment face 36 is in contact with said support. In particular, the fixing face makes an electrical contact of the foot with said support.
• the latter In order to ensure good flexibility for the legs 34, the latter have a height H 'measured between a height, measured between the fixing face 36 of the corresponding fixing foot 35 and the opposite side 37 of the upper lateral arm 33. or equal to 30% of the total height H of the female connector 1 measured between the fixing face 36 of the fixing foot 35 and the point furthest from the contact ends 18, 19.
• connection lyre 2 can move to the left or the 4 in the direction indicated by the double arrow F2, in order to adapt to the possible misalignment of the blade 40. This is all the more useful when several female connectors 1 according to the invention are used in parallel.
• each leg 34 has a width ⁇ less than the width of the contact legs 10, 11.
• the connecting lyre 2 has a stiffness greater than the stiffness of the bending region so that the contact legs 10, 11 maintain a good contact pressure on the blade 40. In this way, the contact force, therefore, the electrical resistance is guaranteed independently of misalignment 2 / blade 40.
• the contact end 14 of the main branch 10 is connected to the connecting segment 30 by an arcuate intermediate segment of concavity inverted with respect to the contact end 14.
• the intermediate segment 41 has a concavity so that the contact surface of the contact end 14 of the main branch 10 is set back from a plane P tangent to the inner face of the connecting segment 30.
• the contact face of the end of contact 15 of the other leg 11 is substantially tangent to the plane P.
• the slot 12 is substantially centered on the middle fiber or the median plane of the connecting segment 30 and legs 34.
• Such a female connector 1 can then be used in various systems or electrical or electronic systems such as for example a housing 42, as shown in Figure 4, of a motor, belonging in particular to a set of power steering.
• each female connector 1 is welded to a power supply conductor or a power bar 41 integrated in the power supply box.
• Said feed box 42 can then be adapted to a power steering assembly in a translation movement parallel to the median plane of the insertion slot so that each female connector is engaged on a connecting blade, not shown, carried by the steering assembly not shown.
• the housing 42 comprises three power supply bars 41 each equipped with a female connector 1 according to the invention.
• the 16, 17, 18, 19 may include a respective boss 38.
• the boss 38 may be obtained by localized deformation of the contact end 10, 11.
• the boss 38 defines a bulge towards the inside of the positioning slot 12.
• the boss 38 thus allows point-to-point contact between the branch contact 10, 11 and the blade 40 inserted into the slot 12.
• the connector allows twice two points of contact.
• the boss 38 may be made by stamping.

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• Coupling Device And Connection With Printed Circuit (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=49911686

Family Applications (1)

Country Status (7)

Families Citing this family (2)

Citations (2)

Family Cites Families (5)

• 2013
  • 2013-10-14 FR FR1359939A patent/FR3011987B1/fr active Active
• 2014
  • 2014-09-09 CN CN201480056519.XA patent/CN105637713B/zh active Active
  • 2014-09-09 US US15/028,851 patent/US9716330B2/en active Active
  • 2014-09-09 WO PCT/FR2014/052226 patent/WO2015055907A1/fr not_active Ceased
  • 2014-09-09 EP EP14796162.7A patent/EP3058622B1/fr active Active
  • 2014-09-09 KR KR1020167012504A patent/KR20160067976A/ko not_active Withdrawn
  • 2014-09-09 JP JP2016522783A patent/JP6613232B2/ja active Active

Patent Citations (2)

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