EP3171462B1 - Connecteur électrique avec élément de blocage secondaire et ensemble de connecteur électrique - Google Patents

Connecteur électrique avec élément de blocage secondaire et ensemble de connecteur électrique Download PDF

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Publication number
EP3171462B1
EP3171462B1 EP16199361.3A EP16199361A EP3171462B1 EP 3171462 B1 EP3171462 B1 EP 3171462B1 EP 16199361 A EP16199361 A EP 16199361A EP 3171462 B1 EP3171462 B1 EP 3171462B1
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EP
European Patent Office
Prior art keywords
electric connector
locking member
locking lever
lever
complementary
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.)
Active
Application number
EP16199361.3A
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German (de)
English (en)
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EP3171462A1 (fr
Inventor
Ingon KANG
Dusan Ondrej
Samir ABOULKASSEM
Michael Steuer
Michael Hagemann
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.)
TE Connectivity Germany GmbH
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TE Connectivity Germany GmbH
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Publication date
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Publication of EP3171462A1 publication Critical patent/EP3171462A1/fr
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Publication of EP3171462B1 publication Critical patent/EP3171462B1/fr
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    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933—Comprising exclusively pivoting lever
    • H01R13/62955—Pivoting lever comprising supplementary/additional locking means

Definitions

  • the invention relates to an electric connector with a U-shaped locking lever, the locking lever being held rotatably around an axis of rotation in the electric connector for engagement to a complementary electric connector.
  • the invention further relates to an electric connector assembly comprising an electric connector with a U-shaped locking lever held rotatably around an axis of rotation in the electric connector from an open position to a locked position, a complementary electric connector adapted to be connected to the electric connector, wherein, in the locked position of the locking lever, the electric connector and the complementary electric connector are engaged in a primary lock.
  • WO 2007/044393 A2 an electrical connector with an mate assist system for assisting in mating the electrical connector to a mating electrical connector is disclosed.
  • the mate assist system includes a lever pivotably connected to the housing, a slider slidably connected to the housing and a system for preventing unintentional movement of the lever from an unlocked position.
  • One objective of the present invention is therefore to provide an electric connector and an electric connector assembly which provides a secondary lock for securing the primary lock and for preventing the electric connector assembly from unlocking by chance or by misuse.
  • the electric connector of the aforementioned type solves this problem by providing the locking lever with a secondary locking member for additional engagement to the complementary electric connector to form a secondary lock., the secondary locking member being fixed to the locking lever slidably along an insertion direction, which is substantially perpendicular to the axis of rotation, into the locking lever from a first to a second position.
  • the electric connector assembly of the aforementioned type solves this problem by providing the locking lever with a secondary locking member, the secondary locking member being adapted to be slid on the locking lever perpendicular to the axis of rotation into engagement with the complementary electric connector to form a secondary lock.
  • Those solutions provide a secured primary lock, which may not be unlocked prior to disengaging the secondary lock, whereas the secondary lock may, in particular, not be disengaged by hand and may therefore prevent disengagement of the secondary lock by chance or by misuse.
  • Another objective of the inventive electric connector and the inventive electric connector assembly may be prevention of an incomplete engagement of the electric connector to the complementary electric connector, which may not be secured by the locking lever and which may be disengaged by chance or for instance vibrations of the electric connector assembly. Engagement of the secondary lock between the electric connector and the complementary electric connector may only be possible after engagement of the primary lock.
  • the secondary locking member is U-shaped.
  • a U-shaped secondary locking member has the advantage that the secondary locking member may be firmly fixed to the locking lever, not altering the general shape or the size of the electric connector.
  • the U-shaped secondary locking member may in particular comprise two opposing longitudinal structures connected to each other by a common base, wherein the longitudinal structures are oriented substantially perpendicular to the base.
  • the secondary locking member may comprise connection portions connecting the longitudinal structures of the secondary locking member to the base, wherein said connection portions may be embodied with a substantially rectangular edge or may be embodied as a rounding with a rounding radius of up to half the distance between the longitudinal structures of the secondary locking member.
  • the secondary locking member has at least two legs which form a pocket in which at least a section of a leg of the locking lever is received.
  • Receiving the locking lever in the pocket of the secondary locking member has the advantage that fixing the secondary locking member to the locking lever, as well as guiding the secondary locking member along the insertion direction into the locking lever, is facilitated.
  • the pocket of the secondary locking member may in particular receive a section of each of the two legs of the locking lever.
  • the at least two legs comprise an inner leg and an outer leg on the outside of the leg of the locking lever, the inner leg being shorter than the outer leg.
  • the inner leg may be located on the side of the locking lever which is closer to an opposite leg of the locking lever.
  • the inner leg may be located in a space between the legs of the locking lever and the outer leg on the outside of this space.
  • the inner leg and the outer leg of the secondary locking member may therefore form a sub-pocket for receiving at least a portion of the wall of the locking lever, therefore allowing an easy and secure fixation, and guidance of the secondary locking member to and within the locking lever.
  • the inner leg extends parallel to and is spaced apart from the leg of the locking lever received in the pocket adjacent to this inner leg.
  • the leg of the locking lever may preferentially be received in the sub-pocket adjacent to the inner leg, the sub-pocket may be formed between the inner and the outer leg.
  • Such a spacing may allow the inner leg to be deflected towards the leg of the locking lever, which may be advantageous to allow for an imperfect insertion of the secondary locking member into the locking lever that is not along the insertion direction, but with an angle to the insertion direction without blocking the insertion of the secondary locking member.
  • the spacing may be adapted to allow a deflection of the inner leg by up to one width of the inner leg, wherein the width is measured in the direction of deflection.
  • the deflection of the inner leg may be limited by a maximum deflection of the inner leg or by an abutment of the inner leg with the leg of the locking lever.
  • the inner leg may be attached to the base of the secondary locking member by a reinforced pedestal which may be adapted to limit the deflection of the inner leg and/or may be adapted to transfer shear forces, which are due to deflection of the inner leg, to the base of the secondary locking member.
  • the spacing between the inner leg and the leg of the locking lever is decreased with respect to the first position or the inner leg abuts the leg of the locking lever.
  • a reduced spacing in the second position may prevent engaging the primary lock by rotating the locking lever with the secondary locking member being in the second position.
  • the side of the leg of the locking lever facing towards the volume between the legs of the locking lever may comprise a chamfer, which substantially faces towards the inner leg, that is, the chamfer is tilted from the insertion direction towards the base of the secondary locking member.
  • the inner leg may pass by this chamfer or may touch the chamfer resulting in a deflection of the inner leg away from the spacing leading to an abutment between the inner leg and the leg of the locking lever.
  • the inner leg protrudes into a volume between the legs of the locking lever.
  • the inner leg may protrude into the volume only in the second position, or in both the first and the second position of the secondary locking member. Similarly to the at least one protrusion extending into the volume between the legs of the locking lever, the inner leg may be part of or may support the secondary lock between the electric connector and the complementary electric connector.
  • the outer leg is provided with a locking element that locks the secondary locking member in the first position.
  • a locking element prevents an unwanted unmounting of the secondary locking member from the locking lever.
  • the locking element may be embodied as a detent hook with an inclined surface, substantially facing away from the base of the secondary locking member and a shoulder being substantially oriented parallel to and facing towards the base of the secondary locking member.
  • the locking lever may comprise hook receptacles adapted to slidingly receive the detent hook of the secondary locking member, the hook receptacles may comprise a first receptacle wall facing substantially in the insertion direction, thus, facing opposite to the shoulder of the detent hook of the secondary locking member installed to the locking lever.
  • Abutment of the first receptacle wall of the locking lever and the shoulder of the detent hook may occur in the first position of the secondary locking member or when the secondary locking member is moved opposite to the insertion direction out of the locking lever.
  • the secondary locking member has a base section extending parallel to a lever base section connecting the legs of the locking lever, the base section being provided with at least one protrusion that, at least in the second position, protrudes through at least one opening of the locking lever into the volume between the legs of the locking lever.
  • the at least one protrusion may be a part of, or may support the secondary lock between the electric connector and the complementary electric connector.
  • the at least one protrusion may not extend into the volume between the legs of the locking lever.
  • This embodiment has the advantage that the locking lever may be rotated around the axis of rotation without the at least one protrusion blocking this rotational movement by touching any structure located in the volume between the legs of the locking lever.
  • the at least one protrusion may be embodied as a locking tooth, wherein several locking teeth may be provided symmetrically or asymmetrically along the base section of the secondary locking member.
  • the at least one protrusion may be embodied as one single protrusion extending along the whole base section of the secondary locking member.
  • Such a catch has the advantage that the first and the second position may be clearly distinct from any intermediate position of the secondary locking member between the first and the second position.
  • This catch may further comprise indication means providing a feedback to the end-user, and allowing for an indication in which position the secondary locking member is located.
  • the catch may be embodied as a catch member comprising inclined surfaces, wherein the surface being located closer to the base of the secondary locking member is inclined towards this base and wherein the surface being located further from the base of the secondary locking member is inclined away from this base.
  • Such a catch member may be adapted to be received in a catch receptacle which may be embodied as a hole in the leg of the locking lever. Two of such catch receptacles may be provided in the leg of the locking lever according to the first and the second position of the secondary locking member.
  • the secondary locking member is provided with a plate-like handling member, which protrudes from the locking lever in a direction facing away from the volume between the legs of the locking lever and in that, in the second position, the handling member comprises a section which is spaced apart from the locking lever and thus defines a tool insertion space.
  • the plate-like handling member may be adapted to transfer a handling force exerted on the handling member to the secondary locking member.
  • the handling member may preferentially be located in a central portion of the base of the secondary locking member in order to allow for a symmetric exertion of the handling force to the secondary locking member.
  • the locking lever may comprise a lever handle also extending substantially away from the volume between the legs of the locking lever, whereas this lever handle may at least partially prevent accessing the handling member.
  • the tool insertion space may be adapted to receive a release tool such as a screw driver in order to move the secondary locking member from the second position to the first position.
  • a release tool such as a screw driver
  • the lock of the catch member with the catch receptacle may therefore be sufficiently strong to prevent a movement of the secondary locking member from the second position to the first position by hand.
  • the inventive electric connector assembly of the aforementioned type may be adapted to allow a movement of the secondary locking member from the first and second position only in the locked position of the locking lever that is after engagement of the electric connector and the complementary electric connector in the primary lock.
  • the secondary locking member engages with a complementary locking member of the complementary electric connector, the complementary locking member being one of a stepped surface, a protrusion or a recess of the complementary electric connector located in the volume between the legs of the locking lever.
  • the complementary locking member may be embodied as an at least partially circumferential edge which may be present per se at the complementary electric connector.
  • the complementary locking member may be located in the volume between the legs of the locking lever in both, the open and the locked position of the locking lever, but may as well be only located in said volume when the locking lever is moved to the locked position.
  • the overlap between the complementary locking member which may be embodied as a stepped surface, may be quite small, in the order of 1 mm, in order to achieve a reliable locking effect. Therefore a compact design may be combined with an efficient locking effect.
  • the locking lever may only be moved from the open to the locked position with the secondary locking member in the first position, whereas when the secondary locking member is in the second position, movement of the locking lever from the open to the closed position may be prevented.
  • a procedure for engaging the primary and the secondary lock between the electric connector and the complementary electric connector may comprise the following steps:
  • the inner legs and the at least one protrusion extending from the base of the secondary locking member may already extend into the volume between the legs of the locking lever, whereas a spacing between the complementary electric connector and the locking lever may allow the inner legs and/or the at least one protrusion to extend into the volume between the legs of the locking lever without touching the complementary electric connector when the locking lever is moved from the open position to the locked position.
  • pushing the handling member may insert the inner legs and/or the at least one protrusion into the volume or further into the volume between the legs of the locking lever.
  • the inner legs and/or the at least one protrusion may be moved or slid along the complementary locking member of the complementary electric connector in an overlapping manner, thus engaging a positive lock between the complementary locking member and the secondary locking member.
  • the complementary locking member abuts the inner legs and/or the at least one protrusion such that a movement of the locking lever from the locked position to the open position is blocked.
  • abutment regions between the complementary locking member and the secondary locking member are advantageous as they may allow distribution of a force exerted on the locking lever in the direction of the open position into the complementary electric connector, into the locking lever and into the secondary locking member.
  • the at least one inner leg of the secondary locking member is adapted to be deflected by the complementary electric connector towards the locking lever in the first position of the secondary locking member and in that the locking lever is adapted to be moved into engagement with the complementary electric connector with the secondary locking member fixed to the locking lever in the first position.
  • Such a spacing may be advantageous if the secondary locking member is mounted to the locking lever in a direction with an angle to the insertion direction. In such a case, insertion of the secondary locking member is not blocked by abutment of the legs of the secondary locking member with the locking lever.
  • the secondary locking member is snapped over the complementary locking member of the complementary electric connector when the electric connector is engaged in the primary lock with the complementary electric connector.
  • the at least one inner leg of the secondary locking member may be snapped over the complementary locking member.
  • the at least one inner leg of the secondary locking member may be slid along a housing of the complementary electric connector, wherein prior to completion of the primary lock between the electric connector and the complementary electric connector the at least one inner leg of the secondary locking member may snap over the complementary locking member.
  • This abutment may cause a deflection of the inner leg towards the leg of the locking lever, whereas the deflected inner leg may be slidably moved together with the locking lever rotated from the open position to the locked position.
  • the inner leg remains deflected and slides above the complementary electric connector until reaching the complementary locking member of the complementary electric connector.
  • the inner leg When reaching the complementary locking member, the inner leg may return to its relaxed state, that is the non-deflected state by a snapping movement over said complementary locking member.
  • the state reached after this snapping movement may be understood as an intermediate lock occurring between the primary lock and the secondary lock.
  • the snapping movement furthermore yields the advantage that an acoustic and/or haptic feedback may be provided to the end-user, indicating completion of engagement in the primary lock.
  • an insertion distance For sliding the secondary locking member from the first position to the second position, an insertion distance has to be overcome. This insertion distance determines the overlap of the inner leg and/or the at least one protrusion with the complementary locking member of the complementary electric connector.
  • a larger overlap will result in a higher strength of the secondary lock.
  • a larger overlap requires a larger insertion distance. This compromise may be overcome at least partially by providing a deflectable inner leg canceling the direct proportionality between the overlap and the insertion distance.
  • the secondary locking member may, as described above, be moved from the first position to the second position with the inner leg remaining in the relaxed state.
  • the spacing between the inner leg and the leg of the locking lever may be decreased or the inner leg may even abut the leg of the locking lever, thus preventing a deflection of the inner leg towards the leg of the locking lever.
  • This may ensure that once the secondary locking member has reached the second position, the deflection of the inner arm is blocked and the primary and secondary lock may not be disengaged prior to moving the secondary locking member from the second position to the first position.
  • the movement of the secondary locking member from the second position to the first position may be performed by the end-user by means of a release tool, for instance a screw driver, inserted into the tool insertion space defined by a section of the handling member which is spaced apart from the locking lever.
  • a release tool for instance a screw driver
  • FIG. 1 shows an electric connector assembly 1 in an unassembled state 3.
  • the electric connector assembly 1 comprises an electric connector 5 and a complementary electric connector 7.
  • the electric connector 5 is embodied as a socket 5a and the complementary electric connector 7 as a plug 7a.
  • the electric connector 5 comprises a locking lever 9, which is held rotatably around an axis of rotation 11 in the electric connector 5.
  • Figure 1 shows the locking lever 9 in an open position 13, whereas in the unassembled state 3 the locking lever 9 may be freely rotated around the axis of rotation 11 from the shown open position 13 to the locked position (not shown in Figure 1 ).
  • the locking lever 9 comprises two lever legs 15 which are connected to each other by a lever base 17.
  • the lever legs 15 are oriented substantially perpendicular to the axis of rotation 11, whereas the lever base 17 is substantially parallel to the axis of rotation 11.
  • the lever 9 further comprises a lever handle 19 extending away from the axis of rotation 11 and two primary lock elements 21 which are embodied as pin receptacles 23 and located in the lever legs 15 distal to the lever handle 19.
  • the pin receptacles 23 comprise rounded entrance edges 25 which are shown in more detail in the zoom 27.
  • the rounded entrance edges 25 allow for a correct positioning of the complementary electric connector 7 with respect to the electric connector 5 by means of complementary primary lock elements 29 which are embodied as pins 31 in the embodiment of the electric connector assembly 1 shown in Figure 1 .
  • the pin receptacle 23 has a convex region 33 and a concave region 35, wherein the point of the convex region 33, which is the nearest to the axis of rotation 11, is located in the distance 33a from the axis of rotation 11 and the point of the concave region 35, which is furthest away from the axis of rotation 11, is located in the distance 35a from the axis of rotation 11.
  • the distance 33a is smaller than the distance 35a.
  • Figure 1 furthermore shows a secondary locking member 37 with a handling member 39 and an indication member 41.
  • the secondary locking member 37 is fixed to and received by the locking lever 9 along an insertion direction 38, respectively. Further details of the locking lever 9 and the secondary locking member 37 are described with reference to the following figures.
  • Figures 2 and 3 show a first and a second embodiment of the inventive secondary locking member 37 prior to mounting on the electrical connector 5 (not shown).
  • the secondary locking member 37 extends substantially into an x-direction and a y-direction as well as in a z-direction.
  • the secondary locking member 37 is substantially U-shaped and comprises two opposing legs embodied as two outer legs 43 which are connected to a base 45 at a first end 47.
  • the two outer legs 43 are substantially parallel to each other and substantially perpendicular to the base 45.
  • a second end 49 of the outer legs 43 comprises a locking element 51, which is embodied as a hook 53 extending into a pocket 55 enclosed by the outer legs 43 and the base 45.
  • a catch 56 is embodied as a catch member 57 extending into the pocket 55.
  • the catch members 57 comprise inclined surfaces 59
  • the hooks 53 comprise an inclined surface 59 facing away from the base 45 and a shoulder 61 facing towards the base 45.
  • two inner legs 63 extend from the base 45 into the pocket 55 of the secondary locking member 37.
  • the connection of the inner legs 63 to the base 45 is reinforced by a broadening of the inner legs 63 in a pedestal region 65.
  • a sub-pocket 55a is formed between the outer leg 43 and the inner leg 63.
  • the secondary locking member 37 furthermore comprises six protrusions 66 embodied as locking teeth 67, each of them extending from the base 45 into the pocket 55 of the secondary locking member 37.
  • the handling member 39 is located outside the secondary locking member 37 and also extends into a direction substantially perpendicular to the base 45 and substantially perpendicular to the outer legs 43.
  • the secondary locking member 37 comprises a stop edge 69, which is clearly visible in Figure 4 .
  • the outer legs 43 have a leg length 71
  • the inner legs 63 have an inner leg length 73
  • the secondary locking member 37 has a width 75.
  • An insertion length 77 is measured between the stop edge 69 and the shoulder 61 of the hook 53, and a gap width 78 between the stop edge 69 and the handling member 39.
  • the first catch distance 83 is measured from the stop edge 69 to the catch member 57
  • the second catch distance 85 is measured from the shoulder 61 of the outer legs 43 to the catch member 57.
  • the base 45, the locking teeth 67 and the inner legs 63 have a height 79
  • the outer legs 43 have, from the stop edge 69 in y-direction onwards, a leg height 81, which is smaller than the height 79.
  • the lengths 71, 73, 77, the widths 75, 78, the heights 79, 81 and the distances 83, 85 are drawn in Figure 3 .
  • the difference between the two embodiments of the secondary locking member 37 of Figure 2 and Figure 3 is the inner leg length 73, which is larger than the first catch distance 83 in the second embodiment ( Figure 3 ) of the secondary locking member 37, whereas in the first embodiment of the secondary locking member 37 ( Figure 2 ), the inner legs 63 do not extend in y-direction from the base 45 beyond the catch members 57.
  • Figure 4 shows a detailed perspective view of the electric connector assembly 1 with the electric connector 5 and the complementary electric connector 7 in the assembled state 87.
  • the locking lever 9 is in a locked position 89, that is the pins 31 of the complementary electric connector 7 are received in the pin receptacles 23 of the locking lever 9 and abut the concave region 35 of the pin receptacles 23.
  • the electric connector 5 and the complementary electric connector 7 are engaged in a primary lock 117.
  • the locking lever 9 comprises several openings 93 located in the lever legs 15 and the lever base 17.
  • the openings 93 in the lever base 17 extend partially into the lever legs 15 and are embodied as locking member receptacles 95, adapted to receive the secondary locking elements 97.
  • the secondary locking elements 97 comprise the inner legs 63 and the front locking teeth 67.
  • a bridge member 149 is located between the locking member receptacles 95 to increase stability of the locking lever 9.
  • the openings 93 located in the lever legs 15 are embodied as a hook receptacle 99 or catch receptacles 101, wherein the locking member receptacles 95 have a first receptacle height 103, which is larger than a second receptacle height 105 of the hook receptacles and catch receptacles 99, 101.
  • the first receptacle height 103 is on the same order of magnitude as the height 79 of the base 45 and the inner legs 65, that is the inner legs 65 as well as the locking teeth 67 may be inserted into the locking member receptacles 95 without abutting the outside of the locking lever 9.
  • the play between the locking member receptacles 95 and the base 45, respectively between the locking member receptacles 95 and the inner legs 63, is as small as possible to prevent unwanted relative movements between the locking lever 9 and the secondary locking member 37 and as large as necessary to prevent degradation of the guidance of the secondary locking member 37 in the locking lever 9.
  • the secondary locking member 37 comprises an indication member 107 located on the side of the outer leg 43 facing away from the pocket 55.
  • the locking lever 9 comprises a first indicator mark 109 and a second indicator mark 111.
  • the distance between the first indicator mark 109 and a first receptacle wall 113 equals approximately the distance between the second indicator mark 111 and a second receptacle wall 115, whereas both distances equal approximately the second catch distance 85 (see Figure 3 ).
  • Figures 5a-5c illustrate a sequence of plugging the electric connector 5 to the complementary electric connector 7 and engagement of the primary 117 and the secondary lock 119.
  • the electric connector assembly 1 (shown in Figures 5a-5c ) is in the assembled state 87.
  • the pin 31 is located in the entrance of the pin receptacle 23 and upon exertion of a force F on the lever handle 19.
  • the locking lever 9 rotates around the axis of rotation 11 counter-clockwise until the locked position 89 of the locking lever 9 is reached.
  • FIG. 5b This is shown in Figure 5b , illustrating the electric connector assembly 1 in the assembled state 87 and with the primary lock 117 engaged.
  • the pin receptacle 23 was rotated together with the locking lever 9 and received the pin 31 in a pin receptacle region distal to the entrance of the pin receptacle 23.
  • the secondary locking member 37 remained in the first position 123 and simply moved along with the locking lever 9.
  • the situation shown in Figure 5b corresponds to an electric connector assembly 1 of the state of the art.
  • certain circumstances may result in a movement of the locking lever 9 from the locked position 89 to the open position 13 by chance. This movement is initiated by a possible force F P , indicated by a dashed arrow.
  • the indication member 107 is located next to the second indicator mark 111.
  • the handling member 39 In the second position, the handling member 39 is located closer to the locking lever 9 and defines a tool insertion space 127 located between the handling member 39 and the locking lever 9.
  • the tool insertion space 127 is just large enough to allow insertion of the blade of a screw driver, to pry apart the secondary locking member 37 from the locking lever 9
  • the secondary lock 119 secures the primary lock 117 by preventing a movement of the locking lever 9 from the locked position 89 to the open position 13 and furthermore locks the electric connector 5 to the complementary electric connector 7.
  • the embodiment of the lever handle 19 shown in Figures 5a-5c extends away from a volume 129 between the legs of the lever 15 (see Figure 1 ).
  • the lever handle 19 therefore partially shields the access to the handling member 39 of the secondary locking member 39 in both the first position 123 and the second position 125.
  • Figure 6 shows the electric connector assembly 1 in the assembled state 87 and with the primary and secondary lock 117, 119 engaged.
  • the detailed view is partially cut to illustrate the abutment of the secondary locking members 97 embodied as locking teeth 67 with a complementary locking member 131 of the complementary electric connector 7, whereas the complementary locking member 131 is embodied as a stepped surface 133 in the housing 135 of the complementary electric connector 7.
  • the overlap between the complementary locking member 131, embodied as stepped surface 133, with the secondary locking member 37 may be quite small, in the order of 1 mm, in order to achieve a reliable locking effect.
  • Figure 6 shows that the stepped surface 133 is embodied circumferentially around the housing 135.
  • the locking teeth 67 are extending through the locking member receptacles 95 into the volume 129 between the lever legs 15.
  • the locking teeth 67 therefore abut the stepped surface 133 and block a movement of the complementary electric connector 7 away from the electric connector 5.
  • Figures 7a, 7b , 8a, 8b show the electric connector assembly 1 in the assembled state 87 with engaged primary lock 117 in a cut along a line A-A, which is shown in Figure 5c .
  • Figures 7a, 7b show the secondary locking member 37 and the locking lever 9 in a first embodiment and Figures 8a, 8b show the secondary locking member 37 and the locking lever 9 in a second embodiment.
  • the locking lever 9 is made of a stiff material as for instance a metal, which does not allow a deflection.
  • the secondary locking member 37 is preferably made of a resin material.
  • the second embodiment of the secondary locking member 37 and the locking lever 9 is preferred if those elements 7, 37 are made of a deflectable material as for instance a polymer, which allows a deflection of parts of both elements.
  • the secondary locking member 37 further comprises a bridge member 149 which increases the stability of the locking lever 9 in the regions of the locking member receptacles 95 (see Figure 4 ).
  • the secondary locking member 37 is in the first position 123, in which the catch member 57 is engaged in a positive lock with the catch receptacle 101 which is located farther away from the axis of rotation 11.
  • the hook 53 is engaged in the hook receptacle 99, wherein the shoulder 61 is located close to the first receptacle wall 113, the pins 31 are monolithically connected to the housing 135 of the complementary electric connector 7, and the volume 129 between the lever legs 15 is indicated by a dashed line.
  • the inner legs 63 extend through the locking member receptacles 95 into the volume 129 between the lever legs 15, whereas the locking teeth 67 (only two of them are indicated by reference signs for the sake of visibility) do not extend into the volume 129.
  • Figure 7a and 7b also show the stepped surface 133 which is located circumferentially around the housing 135 of the complementary electric connector 7.
  • the inner legs 63 do not overlap or abut the stepped surface 133 in the first position 123 of the secondary locking member 37.
  • Figure 7b shows the electric connector assembly 1 of Figure 7a wherein, additionally to the primary lock 117, the secondary lock 119 is engaged.
  • the secondary lock 119 is engaged by moving the secondary locking member 37 into the second position 125, the second position 125 is characterized in that the inner legs 63 and the locking teeth 67 extend into the volume 129 between the lever legs 15 (indicated by the dashed line).
  • the inner legs 63 as well as the locking teeth 67 overlap the stepped surface 133 of the housing 135.
  • the pedestal regions 65 of the secondary locking member 37 overlap with the stepped surface 133 and thus contribute to the secondary lock 119.
  • the catch member 57 In the second position 125 of the secondary locking member 37, the catch member 57 is located in the catch receptacle 101 located closer to the axis of rotation 11 and the hook 53 is shifted inside the hook receptacle 99, wherein, in the second position 125 of the secondary locking member 37, the hook 53 is closer to the second receptacle wall 115.
  • the second embodiment of the locking lever 9 and the second embodiment of the secondary locking member 37, as shown in Figures 8a and 8b , are preferentially made of a flexible material as, for instance, a polymer.
  • the lever thickness 137 of the second embodiment of the locking lever 9 is larger than the lever thickness 137 of the second embodiment of Figure 7a because the preferentially used material for this second embodiment is less rigid than the material used in the first embodiment ( Figures 7a and 7b ) and therefore the locking lever 9 and the secondary locking member 37 require a larger lever thickness 137 in order to maintain mechanical properties of the locking lever 9 and the secondary locking member 37.
  • the inner legs 63 extend from the base 45 of the secondary locking member into the volume 129 between the lever legs 15, wherein the inner leg length 73 is larger than the first catch distance 83 (see Figure 3 ), the inner legs 63 therefore extend further towards the axis of rotation 11 than the catch members 57.
  • the locking lever 9 comprises an inclined surface 59 partially facing towards the base 45 of the secondary locking member 37, the inclined surface 59 are located in transition regions 139, which are located between an abutment region 141 and a deflection region 143.
  • the inner legs 63 are located in the deflection regions 143 in which the inner legs 63 are deflectable towards the lever legs 15 because of a spacing 145.
  • the overlap of the inner legs 63 with the stepped surfaces 133 in an overlap region 147 may be considered as an intermediate lock 118, wherein this intermediate lock 118 may be easily disengaged by deflecting the inner legs 63 towards the lever legs 15.
  • each inner leg 63 extends through the deflection region 143 and through the transition region 139 into the abutment region 141.
  • the inner legs 63 As the inner legs 63 are located in the abutment regions 141, the spacing 145 between the inner legs 63 and the lever legs 15 is decreased which is shown in the zoom 27. In different embodiments of the locking lever 9 and the secondary locking member 37, the inner legs 63 may even abut the lever legs 15.
  • the decreased spacing 145a prevents a deflection of the inner legs 63 towards the lever legs 15 as well as a disengagement of the secondary lock 119 prior to moving the secondary locking member 37 from the second position 125 to the first position 123.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (15)

  1. Connecteur électrique (5) ayant un levier de verrouillage en forme de U (9), le levier de verrouillage (9) étant maintenu de manière rotative autour d'un axe de rotation (11) dans le connecteur électrique (5) pour venir en prise avec un connecteur électrique complémentaire (7), dans lequel le levier de verrouillage (9) est muni d'un élément de verrouillage secondaire (37) fixé au levier de verrouillage (9) de manière coulissante le long d'une direction d'insertion (38), qui est sensiblement perpendiculaire à l'axe de rotation (11), dans le levier de verrouillage (9) depuis une première (123) vers une seconde position (125), caractérisé en ce que l'élément de verrouillage secondaire (37) est prévu pour une mise en prise supplémentaire avec le connecteur électrique complémentaire (7) afin de former un verrou secondaire (119).
  2. Connecteur électrique (5) selon la revendication 1, caractérisé en ce que l'élément de verrouillage secondaire (37) est en forme de U.
  3. Connecteur électrique (5) selon la revendication 1 ou 2, caractérisé en ce que l'élément de verrouillage secondaire (37) présente au moins deux jambes (43, 63) qui forment une poche (55, 55a) dans laquelle au moins une section d'une jambe (15) du levier de verrouillage (9) est reçue.
  4. Connecteur électrique (5) selon la revendication 3, caractérisé en ce que les au moins deux jambes (43, 63) comprennent une jambe intérieure (63) et une jambe extérieure (43) sur l'extérieur de la jambe (15) du levier de verrouillage (9), la jambe intérieure (63) étant plus courte que la jambe extérieure (43).
  5. Connecteur électrique (5) selon la revendication 4, caractérisé en ce que, dans la première position (123), la jambe intérieure (63) s'étend parallèlement à et est espacée de la jambe (15) du levier de verrouillage (9) reçue dans la poche (55, 55a) adjacente à cette jambe intérieure (63).
  6. Connecteur électrique (5) selon la revendication 5, caractérisé en ce que dans la seconde position (125), l'espacement (145) entre la jambe intérieure (63) et la jambe (15) du levier de verrouillage (9) est diminué avec par rapport à la première position (123) ou la jambe intérieure (63) vient buter contre la jambe (15) du levier de verrouillage (9).
  7. Connecteur électrique (5) selon l'une quelconque des revendications 4 à 6, caractérisé en ce que la jambe intérieure (63) fait saillie dans un volume (129) situé entre les jambes (15) du levier de verrouillage (9).
  8. Connecteur électrique (5) selon l'une quelconque des revendications 4 à 7, caractérisé en ce que la jambe extérieure (43) est munie d'un élément de verrouillage (51) qui verrouille l'élément de verrouillage secondaire (37) dans la première position (123).
  9. Connecteur électrique (5) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'élément de verrouillage secondaire (37) présente une section de base (45) s'étendant parallèlement à une section de base de levier (17) reliant les jambes (15) du levier de verrouillage (9), la section de base (45) étant munie d'au moins une saillie (66) qui, au moins dans la seconde position (125), fait saillie à travers au moins une ouverture (93) du levier de verrouillage (9) dans le volume (129) entre les jambes (15) du levier de verrouillage (9).
  10. Connecteur électrique (5) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'élément de verrouillage secondaire (37) comprend un piège (56) qui verrouille l'élément de verrouillage secondaire (37) à la fois dans la première (123) et dans la seconde position (125).
  11. Connecteur électrique (5) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que l'élément de verrouillage secondaire (37) est muni d'un élément de manipulation de type plaque (39), qui fait saillie depuis le levier de verrouillage (9) dans une direction faisant face à l'opposé du volume (129) entre les jambes (15) du levier de verrouillage (9) et en ce que, dans la seconde position (125), l'élément de manipulation (39) comprend une section qui est espacée du levier de verrouillage (9) et définit ainsi un espace d'insertion d'outil (127).
  12. Ensemble de connecteur électrique (1) comprenant un connecteur électrique (5) ayant un levier de verrouillage en forme de U (9) maintenu de manière rotative autour d'un axe de rotation (11) dans le connecteur électrique (5) d'une position ouverte (13) vers une position verrouillée (89), un connecteur électrique complémentaire (7), adapté pour être connecté au connecteur électrique (5), dans lequel, dans la position verrouillée (89) du levier de verrouillage (9), le connecteur électrique (5) et le connecteur électrique complémentaire (7) sont mis en prise dans un verrou primaire (117), dans lequel le levier de verrouillage (9) est muni d'un élément de verrouillage secondaire (37), caractérisé par l'élément de verrouillage secondaire (37) qui est adapté pour être coulissé sur le levier de verrouillage (9) perpendiculairement à l'axe de rotation (11) jusqu'à venir en prise avec le connecteur électrique complémentaire (7) pour former un verrou secondaire (119).
  13. Ensemble de connecteur électrique (1) selon la revendication 12, caractérisé en ce que l'élément de verrouillage secondaire (37) est adapté pour mettre en prise un élément de verrouillage complémentaire (131) du connecteur électrique complémentaire (7), l'élément de verrouillage complémentaire (131) étant l'une parmi une surface étagée (133), une saillie (64) ou une cavité du connecteur électrique complémentaire (7) située dans un volume (129) entre des jambes (15) du levier de verrouillage (9).
  14. Ensemble de connecteur électrique (1) selon la revendication 12 ou 13, caractérisé en ce que la au moins une jambe intérieure (63) de l'élément de verrouillage secondaire (37) est adaptée pour être déviée par le connecteur électrique complémentaire (7) vers le levier de verrouillage (9) dans la première position (123) de l'élément de verrouillage secondaire (37) et en ce que le levier de verrouillage (9) est adapté pour être déplacé jusqu'à venir en prise avec le connecteur électrique complémentaire (7) avec l'élément de verrouillage secondaire (37) fixé au levier de verrouillage (9) dans la première position (123).
  15. Ensemble de connecteur électrique (1) selon la revendication 13 ou 14, caractérisé en ce que l'élément de verrouillage secondaire (37) est encliqueté sur l'élément de verrouillage complémentaire (131) du connecteur électrique complémentaire (7) lorsque le connecteur électrique (5) est mis en prise dans le verrou primaire (117) avec le connecteur électrique complémentaire (7).
EP16199361.3A 2015-11-23 2016-11-17 Connecteur électrique avec élément de blocage secondaire et ensemble de connecteur électrique Active EP3171462B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015223113 2015-11-23

Publications (2)

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EP3171462A1 EP3171462A1 (fr) 2017-05-24
EP3171462B1 true EP3171462B1 (fr) 2020-06-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018009478A1 (de) * 2018-12-04 2020-06-04 Kostal Kontakt Systeme Gmbh Steckverbinderanordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7361036B2 (en) * 2005-10-06 2008-04-22 Fci Americas Technology, Inc. Electrical connector with lever and latch
DE102010002176B4 (de) 2010-02-22 2011-12-15 Tyco Electronics Amp Gmbh Kontakteinrichtung
US8282411B2 (en) * 2010-03-01 2012-10-09 International Engine Intellectual Property Company, Llc. Connector position assurance lock

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
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