WO2017045974A1 - Élément de contact de raccordement de conducteur - Google Patents

Élément de contact de raccordement de conducteur Download PDF

Info

Publication number
WO2017045974A1
WO2017045974A1 PCT/EP2016/070954 EP2016070954W WO2017045974A1 WO 2017045974 A1 WO2017045974 A1 WO 2017045974A1 EP 2016070954 W EP2016070954 W EP 2016070954W WO 2017045974 A1 WO2017045974 A1 WO 2017045974A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact element
conductor
material tongue
spring tongues
terminal contact
Prior art date
Application number
PCT/EP2016/070954
Other languages
German (de)
English (en)
Inventor
Fabian Wenig
Original Assignee
Wago Verwaltungsgesellschaft Mbh
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 Wago Verwaltungsgesellschaft Mbh filed Critical Wago Verwaltungsgesellschaft Mbh
Priority to EP21194807.0A priority Critical patent/EP3937311B1/fr
Priority to CN201680053200.0A priority patent/CN108028474A/zh
Priority to KR1020187005787A priority patent/KR102646638B1/ko
Priority to EP16760728.2A priority patent/EP3350882B1/fr
Priority to CN202110376845.0A priority patent/CN113178716B/zh
Publication of WO2017045974A1 publication Critical patent/WO2017045974A1/fr

Links

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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • 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
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • 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

Definitions

  • the invention relates to a conductor terminal contact element with a sheet-metal part, which has two opposing side walls, a bottom portion connecting the side walls and a lid portion connecting the side walls and the side walls, bounding a conductor insertion channel.
  • the side walls have spring tongues which are free of the bottom portion and the lid portion Form a terminal point for clamping an electrical conductor.
  • DE 1 0 2013 1 1 1 649 A1 shows a box-shaped conductor terminal made in one piece from a sheet-metal part, in which spring tongues are directed towards each other on two opposite side walls. At the lid portion is followed by a projecting into the space between the spring tongues conductor guide portion. The bottom portion is folded upwardly at its end opposite the conductor insertion channel to form an end stop for an electrical conductor to be clamped.
  • US 3,363,224 shows a conductor terminal contact element, which is also integrally formed from a sheet metal part. Here are bent from a bottom portion side wall portions, each carrying mutually facing spring tongues. The side wall portions are bent towards each other in the upper region to form a lid portion and abut each other with their end edges. In this way, a closed box-shaped formed guide channel in which the spring tongues protrude from the side.
  • DE 1 97 35 835 B4 shows an electrical terminal for the terminal connection of at least one electrical conductor with a punched out of a flat metal material and shaped in the manner of a tunnel with a tunnel entrance and two tunnel side walls shaped contact frame.
  • An electrical conductor is inserted via the tunnel entrance in the direction of the longitudinal axis of the tunnel.
  • a leaf spring in the manner of a tongue is punched out of the flat material of the tunnel side walls in the tunnel entrance and bent out of the plane of the sheet such that the free end of the leaf spring forms a clamping edge facing the electrical conductor.
  • the tunnel ceiling has above the leaf springs on a ceiling opening through which a pusher can be pressed from above between the leaf springs.
  • the cover section of the conductor connection contact element has a material tongue which is cut free from the side walls.
  • This material tongue extends above the plane which is spanned by the end edges of the spring tongues facing the cover section, at least as far as the clamping point.
  • the plane defined by the underside of the material tongue, which points towards the upper end edges of the spring tongues is thus at least in the resting state thus above the spring tongues and does not dive between the spring tongues themselves. This does not exclude that an operating portion of the material tongue at least partially passes between presented operating portions of the spring tongues.
  • the entire width of the spring tongues is provided without being adversely affected by the material tongue for the clamping of the electrical conductor.
  • the electrical conductor is guided through the material tongue in the upper area at least to the nip.
  • This is provided by the bottom portion, the spring tongues and the adjoining the lid portion material tongue over the front-side portion of the conductor insertion channel also a largely closed conductor guide in a very compact structure without further impairment of the material tongue.
  • the separated material tongue has the advantage that it has a free end and is thus movable. Thus, the gap between see the spring tongues and the material tongue can be reduced.
  • the optional material tongue offers the optional possibility of actuating the spring tongues to open the clamping point. If a force acting in the direction of the bottom section is exerted on the material tongue, then the material tongue, if suitably configured, can cooperate with the spring tongues in order to force them apart.
  • the material tongue has an actuation section which cooperates with the spring tongues to open the clamping point.
  • a special operating portion is provided on the material tongue, which is structurally adapted to the spring tongues so that when force is applied to the material tongue in the direction of the bottom portion of the operating section engages the spring tongues and urges them apart.
  • the lid portion may consist of two superimposed layers of the Be formed sheet metal part.
  • the lower layer closest to the bottom section may form a ladder guide wall tapering at an angle to the bottom section and terminating in front of the nip formed by the spring tongues.
  • the material tongue may be formed on the upper layer remote from the bottom portion.
  • the actuating portion may be provided at the free end portion of the mate talia tongue, which is opposite to the conductor insertion channel, a laterally projecting from the material tongue material tabs.
  • two material lugs extending on the opposite sides of the material tongue in directions pointing away from one another may be provided for forming the actuation section.
  • These material lids do not have to extend on one plane, but may be bent. For example, they can be bent upwards from the bottom section and bent outwards at an angle. Thus, the point of application of the material lobe moves on the spring tongues during the movement of the material tongue toward the bottom portion of the inner region of the material lobes towards the free end. This allows for optimal kinematics for actuating the spring tongues.
  • the spring tongues can have actuation tongues which protrude from the end edges adjoining the cover section. These actuating tongues are bent out of the plane of the adjacent spring tongue portion and positioned below the actuating portion of the material tongue. With the help of these actuation tongues an optimized operation possibility is achieved by the material tongue on the spring tongues, the actuation portion can slide along the actuation tongues and driven by the bent-out embodiment, the spring tongues further apart, the farther the material tongue is brought between the spring tongues.
  • the material tongue may have laterally projecting stop tabs, which are bent over to the spring tongues extending. With these stop blinds, an overload end stop is provided. The movement of the material tongue in the direction of the bottom section is only possible until the laterally projecting stop tabs strike the end edges of the spring tongues.
  • the material tongue can taper towards the free end. This makes it possible for the material tongue to reach between the spring tongues, at least when the electrical conductor is already clamped in place, and can drive them apart to open the clamping point.
  • the portion of the sheet metal part opposite the conductor insertion channel may have side wall sections folded over from the bottom section and an end abutment section extending transversely to these side wall sections. In this way, a conductor collecting pocket bounded by the bottom portion, the side wall portions and the end abutment portion is formed.
  • the Endstromabites can be made of mutually bent areas the side wall sections are formed. So this ladder catcher bag can have curved wall areas. This allows a material-saving and compact embodiment.
  • the bottom portion may have an exposed LötWalletan gleich. This in a kind Lötan gleichfahne eg for a heatnlötmon- days (SMD) formed free end of the bottom portion can thus be soldered to a circuit board.
  • This soldering section is preferably located in the region of the end stop section and is free of this, leaving a free space. In the soldering of the conductor connection contact element while the gap between the bottom portion and the side wall portions and the Endstromabitess can be closed with the same by soldering.
  • FIG. 1 shows a perspective view of a first embodiment of a conductor connection contact element 1.
  • This is integrally formed from a single sheet metal part. This sheet metal part is punched out or cut and partially formed in sections. It has two opposing side walls 2a, 2b and a bottom portion 3 connecting the side walls 2a, 2b. Opposite the bottom portion 3 there is a lid portion 4 which also extends transversely to the side walls 2a, 2b and connects them in the sense of a closed transition ,
  • the lid portion 4 is formed in two layers with an outgoing from the left side wall 2a lower layer 5 and a bent from the right side wall 2b upper layer 6.
  • the lower layer 5 is compared to the upper layer 6 the bottom portion 3 am next.
  • a conductor insertion channel 7 is provided, which is provided for insertion of an electrical conductor.
  • spring tongues 8 From the side walls 2a, 2b, respectively, in the conductor insertion direction L, i. in the direction of extension of the bottom portion 3 spring tongues 8 from. These spring tongues 8 are pointed toward one another obliquely to the central axis of the conductor connection contact element 1 and form a clamping point for clamping an inserted electrical conductor against the mutually opposite spring tongues 8 with a still further inclined inwardly issued free terminal end 9.
  • the lower layer 5 forms with an extending along the spring tongues 8 section obliquely to the bottom section 3 tapered conductor guide wall 1 0 is above the plane defined by the lid section 4 facing end edges 1 1 of the spring tongues 8 plane and thus does not dive between the opposing spring tongues eighth There is thus no overlap of the conductor guide wall 1 0 with the spring tongues 8 available. Thus, the spring tongues 8 can rebound unhindered each other.
  • each actuation tongues 1 third provided in the direction of the plane of the lid portion 4 upwards and away from each other outwards.
  • the material tongue 12 has an actuating portion 14 at its freely movable end.
  • This actuating portion 14 has two material tongues 15a, 15b which extend from the opposite sides of the material tongue 12 outwardly and upwardly away from the bottom portion 3. They form a curved plane which comes into contact with the actuating tongues 13 of the spring tongues 8. If an actuating force acting in the direction of the bottom section 3 is exerted on the material tongue 1 2, then the actuating section 14 is guided between the actuating tongues 13. Thus, the opposing spring tongues 8 are moved away from each other.
  • the operating portion 14 is seen upstream in Leiteinsteckutter L an overload stop on the material tongue 12 is provided, which is formed from the material tongue 12 laterally projecting guide plates 1 6.
  • These guide plates 16 are slightly bent in the illustrated embodiment from the plane of the material tongue 12 in which the opposing guide plates 16 connecting portion down toward the bottom portion 3. This is only optional. With the aid of these guide straps 16, the deflection of the material tongue 12 in the direction of the bottom section 3 is limited until the guide straps 16 rest on the end edges 11 of the spring tongues 8.
  • the conductor insertion channel 7 opposite portion of the sheet metal part or the conductor connection contact element 1 has a conductor collecting pocket 17. This is formed from two opposite side wall portions 1 8a, 18b and a transversely to these side wall portions 18a, 1 8b extending end stop portion 19.
  • the side wall portions 1 8a, 18b are bent from the bottom portion 3 upward in the direction of the plane of the lid portion 4. At the side wall portions 1 8a, 18b then follow each facing wall sections, which optionally leaving a slot 20, the end stop section 1 9 form.
  • solder contact connection 21 for surface soldering mounting is formed at the free end of the bottom section 3. This is with the help of the upwardly bent side wall sections 1 8a, 18b and the end stop section 1 9 released and accessible.
  • FIG. 2 shows a perspective rear-side view of the conductor connection contact element 1 from FIG.
  • the solder contact connection 21 is formed from the tapering free end of the bottom section 3.
  • the from the side wall portions 1 8a, 18b facing each other bent walls to form the end stop portion 1 9 are curved and released leaving the LötWalletan gleich 21, leaving a free space.
  • the solder terminal contact 21 is easily accessible and allows easy handling and soldering of the conductor terminal contact element 1 on a printed circuit board.
  • soldering the space between the solder contact 21 and the end stop portion 19 may optionally be closed with solder again.
  • the bottom section 3 in the region of the conductor insertion 7 with the side walls 2 a, 2 b can also be used as a solder connection area, since this section likewise comes to rest flat on a printed circuit board.
  • FIG. 3 shows a side view of the conductor connection contact element 1 from FIG. From this it is clear that the lid portion 4 has an exempt from the side walls 2a, 2b material tongue 12 which is located above the plane which lies through the end edges 1 1 of the opposing spring tongues 8 plane spanned.
  • the actuation tongues 13 are detached from this consideration of the end edges 1 1 and have nothing to do with it. They are considered as separate elements 13 on the spring tongues 8.
  • FIG. 4 shows a side sectional view of the conductor connection contact element 1 from FIG.
  • the bottom section 3 starting from the input-side section of the conductor insertion channel 7, extends slightly obliquely to the plane of the cover section 4.
  • the protruding from the lower layer 5 of the lid portion 4 conductor guide wall 10 ends above the end edge 1 1 of the spring tongues 8 and thus does not overlap the spring tongues 8.
  • the two-layer construction of the cover section 4 with the lower layer 5 closest to the bottom section 3 and the upper layer 3 lying above it will also become clear.
  • the material tongue 12 extends from the bottom portion 3 seen above the ladder guide wall 10 so that the conductor guide wall 1 0 is closer to the bottom portion 3, as the material tongue 12th
  • FIG. 5 shows a second embodiment of the conductor connection contact element 1.
  • the conductor terminal contact element 1 is made of a single sheet metal part by punching or cutting out areas and forming e.g. formed by folding.
  • An input-side section of a conductor insertion channel 7 is in turn bounded by side walls 2a, 2b projecting from the bottom section 3, a cover section 4 extending between the side walls 2a, 2b and spaced from the bottom section 3.
  • a connection of the side walls 2a, 2b is understood to mean at least bridging the space between the side walls 2a, 2b. On a positive, non-positive or cohesive connection, this is not important.
  • the lid portion 4 is on the end-side end edge 22 of the right side wall 2b simply.
  • the lid portion 4 has a of the side walls at least in the region of the spring tongues 8 of the side walls 2a, 2b exempted material tongue 23. This is again above the through the lid section 4 facing end edges 1 1 of the spring tongues 8 listed. tensioned plane. This means that the underside of the material tongue 23 spans a plane which lies above the spring tongues 8. The material tongue 23 thus does not dip into the intermediate space of the spring tongues 8.
  • FIG. 6, shows a perspective rear view of the conductor connection contact element 1 from FIG. 5.
  • a slot 24 is present. From this representation, it is also clear that the material tongue 23 is tapered towards the freely movable end.
  • the freely movable ends of the spring tongues 8 are further bent towards each other, to 9 Klemmnapsen- to create a terminal point for clamping an electrical conductor.
  • the spring tongues 8 are further pushed apart.
  • the conically tapering end of the material tongue 23 may then be moved between the spring tongues 8 when an actuating force is exerted in the direction of the bottom section 3.
  • the nip can be opened further to allow the removal of a clamped electrical conductor. This is only optional.
  • the material tongue 23 is provided substantially to the conductor guide towards the nip.
  • the material tongue 23 extends at least to the nip, which is formed by the mutually to be bent terminal ends 9 of the spring tongues 8.
  • a conductor collecting pocket 1 7 is formed at the end of the conductor terminal contact element 1, which is the opposite input-side conductor insertion channel 7, a conductor collecting pocket 1 7 is formed.
  • sidewall sections 1 8a, 18b are folded upwards (bent over) in the direction of the plane of the lid section 4 from the bottom section 3.
  • another wall portion is bent extending transversely to the side wall portions 18a, 18b to form an end stop portion 19. This ends with its front edge in front of the right side wall portion 18b.
  • solder contact connection 21 is exposed at the free end region of the bottom section 3.
  • the conductor connection contact element 1 can be soldered in this way to the solder contact connection with a printed circuit board.
  • FIG. 7 shows a side view of the conductor connection contact element 1 from FIG.
  • the material tongue 23 is positioned over the entire length in the illustrated rest state above the spring tongues 8 and thus does not overlap with the spring tongues 8. It is also clear that the material tongue 23 is slightly bent in the direction of the bottom portion 3 out. In this way, a funnel-shaped section for guiding an electrical conductor introduced into the conductor insertion channel 7 toward the clamping point is achieved.
  • the material tongue 23 ends with its freely movable end in the region of the clamping point formed by the clamping ends 9.
  • FIG. 8 shows a side sectional view of the conductor connection contact element 1 from FIG. 7.
  • the material tongue 23 is above the spring tongues 8 over its entire length.
  • a conductor routed from the right in the conductor insertion direction L into the conductor insertion channel 7 to the clamping point formed by the clamping ends 9 is received in the conductor collecting pocket 17 at its end.
  • the insertion of such Electric conductor is limited by the end stop portion 19 which is bent from the side wall portion 1 8b transversely to the opposite side wall portion 18 a and thus transversely to the Leiterereinsteckraum L. It will be understood that this end stop portion 19 is spaced from the solder contact terminal 21 provided at the end portion of the bottom portion 3 opposite to the input-side conductor insertion channel 7.
  • the bottom portion 3 is flat. However, it can also be tilted in the direction of the cover section 4 over a partial region in order to form a conductor introduction funnel. In this connection, reference is made to the first embodiment.
  • the contour of the bottom section 3 proposed in the first embodiment can also be transferred to the second exemplary embodiment.
  • planar bottom section 3 can also be used over its entire longitudinal extension as a solder connection surface, whereby in particular the mechanical fastening can be improved.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention concerne un élément de contact de raccordement de conducteur (1) constituée d'une pièce en tôle qui comprend deux parois latérales en regard l'une de l'autre (2a, 2b), une partie de fond (3) reliant les parois latérales (2a, 2b), et une partie de recouvrement (4) en regard de la partie de fond (3) et reliant les parois latérales (2a, 2b). Un canal d'insertion de conducteur (7) est délimité par les parois latérales (2a 2b), la partie de fond (3) et la partie de recouvrement (4). Les parois latérales (2a, 2b) ont des languettes élastiques (8), découpées dans la partie de fond (3) et la partie de recouvrement (4), qui forment une point de serrage pour coincer un conducteur électrique. La partie de recouvrement (4) a une languette de matériau (12, 23) découpée dans les parois latérales (2a, 2b). La languette de matériau (12, 23) s'étend au moins jusqu'au point de serrage au-dessus d'un plan formé par les bords (11) des languettes élastiques (8) tournés vers la partie de recouvrement (4).
PCT/EP2016/070954 2015-09-18 2016-09-06 Élément de contact de raccordement de conducteur WO2017045974A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP21194807.0A EP3937311B1 (fr) 2015-09-18 2016-09-06 Élément de connexion pour conducteurs
CN201680053200.0A CN108028474A (zh) 2015-09-18 2016-09-06 导体端子接触元件
KR1020187005787A KR102646638B1 (ko) 2015-09-18 2016-09-06 도체 연결 접촉 요소
EP16760728.2A EP3350882B1 (fr) 2015-09-18 2016-09-06 Élément de contact de raccordement de conducteur
CN202110376845.0A CN113178716B (zh) 2015-09-18 2016-09-06 导体端子接触元件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202015104961.7U DE202015104961U1 (de) 2015-09-18 2015-09-18 Leiteranschlusskontaktelement
DE202015104961.7 2015-09-18

Publications (1)

Publication Number Publication Date
WO2017045974A1 true WO2017045974A1 (fr) 2017-03-23

Family

ID=56877048

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/070954 WO2017045974A1 (fr) 2015-09-18 2016-09-06 Élément de contact de raccordement de conducteur

Country Status (6)

Country Link
EP (2) EP3937311B1 (fr)
KR (1) KR102646638B1 (fr)
CN (2) CN108028474A (fr)
DE (1) DE202015104961U1 (fr)
TW (1) TWI707512B (fr)
WO (1) WO2017045974A1 (fr)

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DE102019125886B4 (de) * 2019-09-26 2021-06-17 Bjb Gmbh & Co. Kg Gehäuselose Anschlussklemme mit Öffnungswerkzeug
DE102020101857B3 (de) * 2020-01-27 2021-03-04 Bjb Gmbh & Co. Kg Elektrische Anschlussklemme
DE202021100483U1 (de) * 2021-02-01 2022-05-03 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Elektrischer Kontakt und damit gebildete Leiteranschlussklemme
DE202021100658U1 (de) 2021-02-10 2022-05-11 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Kontaktelement und Leiteranschlussklemme zum Anschließen eines elektrischen Leiters

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Publication number Publication date
TW201712955A (zh) 2017-04-01
CN113178716B (zh) 2023-08-29
EP3937311A1 (fr) 2022-01-12
DE202015104961U1 (de) 2016-12-21
CN113178716A (zh) 2021-07-27
CN108028474A (zh) 2018-05-11
EP3937311B1 (fr) 2023-11-22
EP3350882A1 (fr) 2018-07-25
TWI707512B (zh) 2020-10-11
KR102646638B1 (ko) 2024-03-13
EP3350882B1 (fr) 2021-11-17
KR20180053297A (ko) 2018-05-21

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