WO2018178259A1 - Assemblage pour connecteur électrique - Google Patents

Assemblage pour connecteur électrique Download PDF

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Publication number
WO2018178259A1
WO2018178259A1 PCT/EP2018/058122 EP2018058122W WO2018178259A1 WO 2018178259 A1 WO2018178259 A1 WO 2018178259A1 EP 2018058122 W EP2018058122 W EP 2018058122W WO 2018178259 A1 WO2018178259 A1 WO 2018178259A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking
securing
locking element
contact
assembly
Prior art date
Application number
PCT/EP2018/058122
Other languages
English (en)
Inventor
K T Gopi
Sachudhanandam AZHAGIRI
Original Assignee
Te Connectivity India Private Limited
Tyco Electronics Uk Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Te Connectivity India Private Limited, Tyco Electronics Uk Ltd filed Critical Te Connectivity India Private Limited
Publication of WO2018178259A1 publication Critical patent/WO2018178259A1/fr

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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
    • H01R13/4365—Insertion of locking piece from the front comprising a temporary and a final locking position

Definitions

  • the invention relates to an assembly for an electrical connector.
  • the object of the invention is to provide an assembly that is easy to operate and by which two contact elements can be secured in their contact cavities.
  • an assembly for an electrical connector comprising a housing with a first contact cavity for a first contact element and a second contact cavity for a second contact element, and a locking element adapted to be at least partially inserted into the housing, wherein the locking element locks the first contact element in the first contact cavity and the second contact element in the second contact cavity, when the locking element is in a locking position and a securing flap of the locking element is in a securing position, the securing flap blocking a movement of the locking element out of the locking position in the securing position.
  • Such a solution allows an easy and secure locking of the two contact elements in their respective contact cavities.
  • the securing flap allows an easy operation.
  • inventive solution can be improved by the following further improvements and advantageous embodiments, which are advantageous on their own and can be combined arbitrarily as desired.
  • the solution is particularly advantageous if the two contact elements are of different types, for example one with a small cross section and one with a big cross-section.
  • the securing flap can be integral with the rest of the locking element.
  • the locking element is separate from the housing.
  • the locking element can be connected to the housing for example by a belt-like or thread-like element so that it cannot be lost.
  • a movement of the securing flap into the securing position can be blocked. This can make the operation safer, as the securing flap can not be transferred into the securing position when the locking element is in the release position.
  • This can for example give a feedback to an operator or a machine that the locking element first has to be transferred into the locking position before the securing flap can be moved to the securing position.
  • Such a solution can for example be achieved by stop faces on the securing flap and the housing which are opposite each other in the release position and which abut each other when one tries to move the securing flap into the securing position in the release position of the locking element.
  • At least one contact element can be movable in its contact cavity.
  • at least one contact elements can be locked in its contact cavity but not by the locking element. It can be locked for example by a primary lock like a latch or a lance in the housing that automatically engages the contact element when it is inserted and avoids a movements of the contact element until the locking element is moved into the locking position.
  • the primary lock can also be a latch or lance on the contact element interacting with a corresponding counter element on the housing for example. The locking element and the securing flap thereof can then act as a secondary lock for the contact element.
  • At least one contact element can be locked in its contact cavity by the locking element when the locking element is in a locking position relative to the housing and the securing flap is outside the securing position.
  • a locking of at least one contact element can for example be achieved when the locking element is being moved from the release position into the locking position.
  • all contact elements can be blocked by such a movement.
  • At least one contact element can be locked in its contact cavity by the securing flap when the securing flap is in the securing position and the locking element is in the locking position.
  • the locking can be achieved by moving the securing flap into the securing position.
  • one contact element is being locked in its contact cavity by the locking element when the locking element is being moved into the locking position and the other contact element is being locked by the locking element when the securing flap is being moved into the securing position.
  • the locking path, along which the locking element is brought into the locking position can be a translational locking path.
  • the respective movement, for example starting at the release position, is thus a pure translational movement without a rotational component.
  • the translational movement and the translational path can be linear or straight in order to further optimise operation.
  • the securing flap can fix the position of the locking element along a translational locking path along which the locking element is brought into the locking position.
  • stop faces can be located on the housing and the locking element, in particular the securing flap of the locking element, the stop faces abutting each other when the locking element is in the locking position and the securing flap is in the securing position.
  • the locking element comprises a base and a support protrusion protruding from the base perpendicular to a locking path along which the locking element is moved into the locking position, and the securing flap is at least partially located between the housing and the support protrusion when the securing flap is in the securing position and the locking element is in the locking position.
  • a securing part of the securing flap can be located between the housing and the support protrusion. Due to such a configuration, the operation can be simplified.
  • the securing flap for example the securing part, can be moved between the housing and the support protrusion when it is moved into a securing position thereby blocking the locking element in the locking position, for example through a direct contact or a direct force flow.
  • the securing flap does not necessarily have to be located between the housing and the support protrusion.
  • the support protrusion can be located between the housing and a contact cavity and/or a contact element when the securing flap is in the securing position and the locking element is in the locking position.
  • the securing flap is at least partially located between the support protrusion and a contact element when the securing flap is in the securing position and the locking element is in the locking position.
  • a locking part of the securing flap can be located between the support protrusion and a contact element when the securing flap is in the securing position and the locking element is in the locking position. Additional intermediate elements can be located between the securing flap and the contact element.
  • the support protrusion is formed as a beam.
  • the beam can for example, have a substantially constant cross section along a protrusion direction along which it protrudes or extends to allow a simple manufacturing. It can for example have a square cross section or a rectangular cross-section.
  • the beam or the support protrusion can have parallel side faces which allow an easy sliding of the securing flap onto the support protrusion or beam.
  • the securing flap can have a U-shaped cross-section.
  • the plane of the cross section can in particular be perpendicular to an extension direction of the securing flap.
  • the extension direction can in particular be the direction that points from a hinge to a free end of the securing flap.
  • the U-shape of the securing flap has two legs and a connecting section connecting the two legs. In the securing position, one leg, for example the securing part, can be located on one side of the support protrusion of the locking element, and the other leg, for example the locking part, can be located on the other side of the support protrusion.
  • the two sides can face in and counter to a locking direction.
  • a connection section can connect the two legs.
  • the securing flap can thus be configured as a channel. In the securing position the securing flap can take up the support protrusion to allow a safe operation and a space efficient design. In other words, the securing flap can surround or embrace the support protrusion.
  • the locking element can comprise a holding assembly for holding the securing flap in the securing position.
  • a holding assembly can comprise pins or buttons on the securing flap and/or the support protrusion and a hole or a groove on another element.
  • parts of the holding assembly for holding the securing flap in the securing position are located on the housing.
  • an insertion path along which the locking element is inserted into the housing can be perpendicular to the locking path along which the locking element is moved into the locking position.
  • the paths can in particular intersect at the release position of the locking element relative to the housing. Due to this solution, two separate movements are necessary and the locking element can not be moved into the locking position unintentionally.
  • an angle that is different from the 90° of the perpendicular solution but also different from the degrees of a parallel insertion can also be used to improve the security.
  • An operation can be safe and easy when the securing flap points to an outside.
  • a free end of the securing flap can be located at an outside and/or the hinge can be located at a center or a base.
  • the securing flap extends in a direction that is perpendicular to a direction of a locking protrusion for securing a contact element.
  • the locking protrusion is not moved when the securing flap is operated.
  • the beam with which the securing flap engages can be perpendicular to the locking protrusion.
  • the locking element can be adapted to be inserted into the housing along an insertion path which is parallel to the plugging direction, along which the connector is plugged to a counter connector.
  • the locking element can be inserted from the same side as the counter connector and the entire assembling process can be performed with access to one side of the connector only.
  • the plugging direction can in particular be parallel to a contact element insertion direction along which a contact element is inserted into the housing.
  • the insertion path can run through or end in the plug face. A removal or an inadvertent loss of the blocking element can be avoided by this as the plug face is covered by the counter connector in a connected state.
  • the locking element In the final locking position the locking element can form at least partially an outer face of the plug face, for example in order to allow an easy access.
  • the securing flap When an insertion of the counter connector into the connector is to be avoided if the securing flap is not in the securing position, the securing flap can protrude into a contact cavity of the connector when it is outside the securing position. The securing flap can then block an insertion of the counter element. In another embodiment, the securing flap is automatically pushed into the securing position when the counter connector is inserted.
  • An operation is improved when a flap securing path along which the securing flap is moved into the securing position is perpendicular to the locking path of the locking element and/or at least partially parallel to an insertion direction of the locking element, along which the locking element is inserted into the housing.
  • the locking element cannot inadvertently be moved into or out of the locking position and/or the release position when the securing flap is moved, and/or the locking element is automatically pushed to the end of the insertion path when the securing flap is moved into the securing position.
  • the securing flap can comprise a handling protrusion on a free end for operating the securing flap.
  • the securing flap can then be moved into or out of the securing position.
  • the free end can in particular be opposite a hinge at which the securing flap is hinged to the rest of the locking element.
  • the locking element can comprise two or more securing flaps.
  • the securing flaps can point in opposite directions. Two or more protrusions for the securing flaps can be present. If two securing elements are present, the locking element can have a T-shape with each of the securing flaps attached to one of the legs of the upper bar of the T.
  • At least one contact element is locked by an engagement of a locking protrusion on the locking element with the contact element.
  • the locking protrusion can protrude into a contact cavity for the contact element in the locking position.
  • At least one contact element is locked by blocking the movement of an intermediate element engaging the contact element.
  • Such an indirect locking can be advantageous, for example as the intermediate element can automatically secure the contact element for example if the intermediate element is a latch, which is subsequently secured by the locking element.
  • Fig 1 shows a schematic perspective view of a first embodiment of an assembly for an electrical connector
  • Figs 2A, 2B show the locking element in more detail with the securing flap outside the securing position
  • Figs 3A, 3B show the locking element in more detail with the securing flap in the securing position;
  • Figs 4A to 4E show different views of the assembly with the locking e lement in the release position and the securing flap outside the securing position;
  • Figs 5A to 5D show different views of the assembly with the locking
  • Figs 6A to 6C show different steps of the locking process
  • Figs 7A and 7C show another embodiment of an assembly
  • Figs 8A to 8C show the assembly of Figs 7A to 7C in a locking position
  • Figs 9A to 9C show a further embodiment of an assembly
  • Figs 10A to 10C show the assembly of Figs 9A to 9C in the locking position
  • Fig 1 1 shows a locking element of the assembly of Figs 9A to 10C;
  • Figs 12, 13 show a further embodiment of an electrical assembly
  • Figs 14A to 14C show a further embodiment of an assembly
  • Figs 15A to 15C show the assembly of Figs 14A to 14C in the locking position
  • Figs 16 shows a locking element of the assembly of Figs 14A to 15C;
  • Figs 17A, 178 show contact elements for an electrical assembly
  • Figs 18A to 18C show a further embodiment of an electrical assembly
  • Figs 19A to 19C show the assembly of Figs 18A to 18C in the locking position
  • Fig 20 shows the locking element of the assembly of Figs 18A to Figs 21 A to 21 C show a further assembly
  • Figs 22A to 22C show the assembly of Figs 21 A to 21 C in a different cross section plane
  • Fig 23 shows the locking element of the assembly of Figs 21 A to
  • Fig 24 shows a schematic top view of a housing for an electrical assembly
  • Figs 25A, 25B show cross-sectional views of two contact cavities of the housing of Fig 24;
  • Fig 26 shows the locking element of the embodiment of Figs
  • Fig. 27 shows the step of moving a securing flap out of the
  • FIGs 1 to 6E an assembly 1 for an electrical connector 100 is shown.
  • the assembly 1 comprises a housing 2 which has first contact cavities 21 for a first type of contact elements 1 1 and second contact cavities 22 for a second type of contact elements 12, and a locking element 3 for locking the contact elements 1 1 , 12 in the contact cavities 21 , 22, when the locking element 3 is in a locking position L and the securing flap 5 of the locking element 3 is in a securing position S.
  • the securing flap 5 also blocks a movement of the locking element 3 out of the locking position when it is in the securing position S.
  • Figs 2A and 2B details of the locking element 3 are shown, wherein the securing flap 5 is outside the securing position S.
  • Two securing flaps 5 protrude in opposing directions each along a flap extension direction 126 away from a base 31 of the locking element 3.
  • the securing flaps 5 are integral with the rest of the locking element 3 and hinged to the rest via a hinge 33.
  • the securing flaps 5 have a U-shaped cross-section and take up the support protrusions 32 when the securing flap 5 is in the securing position S.
  • the U comprises a first leg 34 in the form of a locking part 53 and a second leg 36 in the form of a securing part 55.
  • the two legs 34, 36 are connected by a connection section 54 at a top side.
  • the locking element 3 comprise holding assemblies 37 comprising pins 137 on the support protrusions 32 and grooves 138 on the securing flaps 5.
  • the holding assemblies 37 serve to hold the securing flaps 5 in the securing positions S.
  • Each securing flap 5 further comprises a handling protrusion 58 at a free end 57 of the securing flap 5 for handling the securing flap 5 for example by hand or by a machine.
  • Figs 3A and 3B the locking element 3 is shown with the securing flap 5 in the securing position S.
  • the securing flaps 5 have been moved in a securing direction 125 along a flap securing path 135. During this process, the securing flaps 5 rotate around the hinges 33.
  • Figs 4A to 4E the assembly 1 is shown in a release position R of the locking element 3 relative to the housing 2.
  • the securing flaps 5 are outside the securing positions S and cannot be moved into the securing position S as stop faces 59 on the securing flap 5 abut or lie against stop faces 29 on the housing 2. None of the contact elements 1 1 , 12 is yet locked in its contact cavity 21 , 22 by the locking element 3.
  • the contact elements 1 1 , 12 can be removed.
  • it would be necessary for removing to move back a latch 24 which protrudes into a recess 1 1 1 in the contact element 12 and thus holds the contact element 12 in its contact cavity 22 automatically after an insertion of the contact element 12 into the contact cavity 22.
  • the locking element 3 is in the locking position L and the securing flaps 5 are in the securing position S. Both types of contact elements 1 1 , 12 are locked in their corresponding contact cavities 21 , 22 by the locking element 3.
  • the first type of contact elements 1 1 are directly locked by the locking element 3, see for example Fig 5D.
  • the second type of contact elements are locked indirectly via an intermediate element 23, namely the latch 24, see for example Fig 5C, in which, however the second contact element 12 is not depicted.
  • the second type of contact elements 22 is held by latch 24 which is in turn blocked by the securing flap 5.
  • the latch 24 thus acts as a primary lock and the locking element 3 acts as a secondary lock.
  • a locking part 53 of the U- shaped cross-section is located behind the intermediate element 23 and prevents a movement of the intermediate element 23.
  • a securing part 55 of the U-shaped cross-section is located between the support protrusion 32 and the housing 2.
  • the latch 24 can be moved into engagement with the contact element 12 by the locking element 3. In such a case, the latch 24 does not automatically lock the contact element 12 when it is inserted into its cavity 22.
  • primary locks can be present on the contact elements 1 1 ,12 to at least hold the contact elements 1 1 , 12 in the contact cavities 21 , 22 before the locking element 3 is inserted.
  • Such primary locks can for example be lances or elastically deflectable arms on the contact elements 1 1 , 12 that automatically engage with corresponding counter elements in the contact cavities 21 , 22.
  • the first contact element 1 1 has a lance 40 (see Fig. 178) protruding from a side of the contact element 1 1 .
  • the locking element 3 In the locking position L of the locking element 3, the locking element 3 is flush with an outside 1 G of the plug face 15, the outside 1 G being a part that is accessible for a counter connector 200.
  • Figs 6A to 6E the steps of the insertion and locking process are shown.
  • the locking element 3 is still outside the housing 2 and about to be inserted into the housing 2 along an insertion path 132 which is translational and basically linear along an insertion direction 123.
  • the securing flap 5 of the locking element 3 is in the securing position S. This can be advantageous as the risk that the securing flap 5 gets damaged during transport is minimized thereby.
  • the securing flap 5 In order to be able to insert the locking element 3 into the housing 2, the securing flap 5, however, has to be moved out of the securing position S, for example into the position shown in Fig.1 .
  • the insertion direction 123 is parallel to the plugging direction 120 along which the counter connector 200 (shown in phantom lines in Fig 1 ) is inserted into the connector 100.
  • Fig 68 the locking element 3 has been inserted into the housing. However, the securing flaps 5 are still outside the securing position S. The locking element 3 is in a release position R, in which the contact elements 1 1 , 12 can be inserted into the housing 2, in particular into the contact cavities 21 , 22.
  • the locking element 3 When the contact elements 1 1 , 12 have been inserted along a contact element insertion direction 124 into the contact cavities 21 , 22, see Fig 6C, the locking element 3 is moved from the release position R into the locking position L, see Fig 60.
  • the direction of the locking path 130 is perpendicular to the direction of the insertion path 132 and avoids an unintentional transfer of the locking element 3 to the locking position L.
  • the locking element 3 already secures one type of contact elements 1 1 .
  • the other type of contact elements 12 is not yet locked by the locking element 3 and could still be moved or, as shown, can be locked in the contact cavity 22 by a primary lock like a latch, a deflectable arm or a locking lance.
  • the locking path 130 is embodied as a longitudinal locking path 131 .
  • the locking path can be different and for example comprise rotational sections.
  • the securing flaps 5 are moved along a flap securing path 135 into the securing position S.
  • the locking element 3 locks both types of contact elements 1 1 , 12.
  • a different assembly 1 is depicted.
  • the locking element 3 locks two types of contact elements 1 1 , 12 in their contact cavities 21 , 22 in the housing 2. Similar to the first embodiment, the locking element 3 is inserted into a housing 2 and is then in a release position R in which the contact elements 1 1 , 12 can be inserted. Subsequently, the locking element 3 is moved into a locking position L by a linear movement perpendicular to the insertion direction. Finally, a single securing flap 5 is moved into a securing position S in which it is held by a holding assembly 37.
  • the securing flap 5 again prevents a movement of the locking element 3 out of the locking position L when the securing flap 5 is in the securing position S. A movement of the securing flap 5 into the securing position S is prevented when the locking element 3 is in the locking release position R.
  • the l ocking element 3 is again moved into a locking position L in which both types of contact elements 1 1 , 12 are locked.
  • the locking element 3 is only secured in the locking position L when securing projections 201 of the counter connector 200 block the movement of the locking element 3.
  • the locking element 3 is inserted into the housing 2 and then moved perpendicular to the insertion direction to a locking position L.
  • FIG. 14A to 16 A further embodiment of an assembly 1 is shown in Figs 14A to 16 in which the locking element 3 is moved only along a linear path into the locking position L in which both types of contact elements 1 1 , 12 are locked in their contact cavities 21 , 22.
  • Fig 17A shows a contact element 12. It can in particular be seen that the contact element 12 has a recess 1 1 1 at a side for a locking by the latch 24.
  • Fig 17B shows a contact element 1 1 .
  • a lance 40 protrudes from a side to hold the contact element 1 1 in its contact cavity 21 before the locking by the locking element 3 starts.
  • FIG. 18 A further embodiment of an assembly 1 is shown in Figs 18 to 20.
  • the locking element 3 is first inserted and then moved
  • FIGs 21 A to 23 Another embodiment is shown in Figs 21 A to 23.
  • the locking element 3 is in this embodiment inserted and locked through a single movement along a single direction.
  • a latch on the blocking element locks the first contact element 1 1 , while a part of the locking element 3 blocks the movement of the latch 24 which locks the second contact element 12.
  • a first locking element has to be inserted along a first direction behind a latch 24 next to the second contact element contact cavity 22 and a further locking element has to be moved along a second direction for a locking in the first contact cavity 21 .
  • a locking element 3 In Fig 26, the production of a locking element 3 according to the first embodiment is shown. It can in particular be seen that the locking element 3 can be produced by injection moulding with a moulding tool 205 creating a mold cavity 203.
  • the tool 205 comprises two movable parts 204 which are moved to an outside for removing the blocking element 3 from the mold cavity 203.
  • Fig. 27 it is shown how the securing flap 5 can be moved out of the securing position S. In the depicted case, a special tool 210 is used for this.
  • the tool 210 is curved and has a pointed tip for grabbing the handling section 58 of the securing flap 5.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

L'invention concerne un assemblage (1) pour un connecteur électrique (100), comprenant un boîtier (2) ayant une première cavité de contact (21) pour un premier élément de contact (11) et une seconde cavité de contact (22) pour un second élément de contact (12), et un élément de verrouillage (3) conçu pour être au moins partiellement inséré dans le boîtier (2), l'élément de verrouillage (3) verrouillant le premier élément de contact (11) dans la première cavité de contact (21) et le second élément de contact (12) dans la seconde cavité de contact (22), lorsque l'élément de verrouillage (3) est dans une position de verrouillage (L) par rapport au boîtier (2) et un rabat de fixation (5) de l'élément de verrouillage (3) se trouve dans une position de fixation (S), le rabat de fixation (5) bloquant un mouvement de l'élément de verrouillage (3) hors de la position de verrouillage (L) dans la position de fixation (S).
PCT/EP2018/058122 2017-03-29 2018-03-29 Assemblage pour connecteur électrique WO2018178259A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201741011112 2017-03-29
IN201741011112 2017-03-29

Publications (1)

Publication Number Publication Date
WO2018178259A1 true WO2018178259A1 (fr) 2018-10-04

Family

ID=61837761

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Application Number Title Priority Date Filing Date
PCT/EP2018/058122 WO2018178259A1 (fr) 2017-03-29 2018-03-29 Assemblage pour connecteur électrique

Country Status (1)

Country Link
WO (1) WO2018178259A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19706992A1 (de) * 1997-02-21 1998-08-27 Whitaker Corp Anordnung zur Sicherung mindestens eines elektrischen Kontaktes in einem Gehäuse
US20080070441A1 (en) * 2004-09-29 2008-03-20 Frederic Chazottes Locking Device for Connector Elements and a Connector Provided with Said Device
US20090186523A1 (en) * 2008-01-23 2009-07-23 Fci Americas Technology, Inc. Electrical connector
US20090311896A1 (en) * 2008-06-17 2009-12-17 John Mark Myer Electrical connector having floating alignment member

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19706992A1 (de) * 1997-02-21 1998-08-27 Whitaker Corp Anordnung zur Sicherung mindestens eines elektrischen Kontaktes in einem Gehäuse
US20080070441A1 (en) * 2004-09-29 2008-03-20 Frederic Chazottes Locking Device for Connector Elements and a Connector Provided with Said Device
US20090186523A1 (en) * 2008-01-23 2009-07-23 Fci Americas Technology, Inc. Electrical connector
US20090311896A1 (en) * 2008-06-17 2009-12-17 John Mark Myer Electrical connector having floating alignment member

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