EP0802581A2 - Connecteur de dérivation pour câbles pour connecter électriquement ensemble des câbles principaux multiconducteurs et des câbles de dérivation multiconducteurs - Google Patents

Connecteur de dérivation pour câbles pour connecter électriquement ensemble des câbles principaux multiconducteurs et des câbles de dérivation multiconducteurs Download PDF

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Publication number
EP0802581A2
EP0802581A2 EP97106141A EP97106141A EP0802581A2 EP 0802581 A2 EP0802581 A2 EP 0802581A2 EP 97106141 A EP97106141 A EP 97106141A EP 97106141 A EP97106141 A EP 97106141A EP 0802581 A2 EP0802581 A2 EP 0802581A2
Authority
EP
European Patent Office
Prior art keywords
cables
branch
case
cable
cover
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.)
Withdrawn
Application number
EP97106141A
Other languages
German (de)
English (en)
Other versions
EP0802581A3 (fr
Inventor
Hideki c/o Yamatake-Honeywell Co. Ltd. Okamoto
Mitsuhiko c/o Yamatake-Honeywell Co. Ltd Nagata
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.)
Azbil Corp
Original Assignee
Azbil Corp
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 Azbil Corp filed Critical Azbil Corp
Publication of EP0802581A2 publication Critical patent/EP0802581A2/fr
Publication of EP0802581A3 publication Critical patent/EP0802581A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • 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
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • H01R12/675—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals with contacts having at least a slotted plate for penetration of cable insulation, e.g. insulation displacement contacts for round conductor flat cables

Definitions

  • the present invention relates to a cable branch connector for electrically connecting multicore trunk cables and multicore branch cables with each other.
  • Fig.17 is a perspective view of a conventional branch connector being disassembled.
  • the reference numeral 121 denotes a housing
  • numeral 122 denotes a first cable receiving portion for receiving trunk cables 128 which are for signal transfer or for power supply
  • numeral 123 denotes a second cable receiving portion for receiving branch cables 130.
  • the first and second cable receiving portions 122,123 are formed on the back and the surface side, respectively, of the housing 121.
  • Numeral 124 denotes a contact member having electrical conductivity and formed by insert molding in the housing 121 so as to project from each of the cable receiving portions 122,123.
  • Numerals 125 and 126 denote engaging lugs formed plurally at predetermined positions on the side faces of the housing 121.
  • Numerals 129 and 131 denote covers, which are formed with cable receiving portions 132 in corresponding relation to the cable receiving portions 122,123 and also formed with engaging pieces 133.
  • Numerals 134 and 135 denote first and second engaging holes formed in each engaging piece 133.
  • the engaging lugs 125 and 126 of the housing 121 come into engagement with the first engaging holes 134 of the engaging pieces 133, and in a completely engaged state of the covers with the housing, the engaging lugs 125 and 126 are engaged with the engaging holes 135.
  • the trunk cables 128 and the branch cables 130 which are arranged in up and down relation to each other, are interconnected electrically by means of the contact members 124.
  • the conventional cable branch connector is constructed as above, if the trunk cables 128 and the branch cables 130 are flat cables, it is easy to mount them to the cable receiving portions 122 and 123 formed on the back and the front surface sides, respectively, of the housing 121.
  • the cables are held by only the contact members 124 and thus the cable holding force is weak, so that the cables when pulled are apt to come off the connector.
  • the present invention has been accomplished in view of the above-mentioned problems and it is an object of the invention to provide a cable branch connector which can ensure both high connecting work efficiency and high reliability of connection.
  • a cable branch connector comprising a case, the case having holding members for holding trunk cables and branch cables, which are to be connected together, in an adjacent and parallel manner; conducting members for making the trunk cables and the branch cables conductive with each other; a cover formed so that it can be mounted to the case; and engaging means for holding the cover in a temporarily engaged state spaced at a predetermined distance from the case and for locking the cover when mounted to the case.
  • a cable branch connector wherein the cover has urging projections for urging the trunk and branch cables to the case side when the cover is mounted to the case.
  • a cable branch connector wherein the conducting members each have a pressing blade for pressure contact with the associated trunk cable, a pressing blade for pressure contact with the associated branch cable, and a connecting piece for connecting the two blades with each other in such a manner that the blades are arranged obliquely relative to each other.
  • a cable branch connector wherein branch cable end insertion holes for insertion therein of end portions of the branch cables are formed in the case.
  • a cable branch connector wherein branch cable holding ribs for pressing and holding end portions of the branch cables are formed on the case.
  • the reference numeral 1 denotes a trunk cable which is a twisted pair cable for signal transfer or for power supply
  • the numeral 2 denotes a branch cable for branching from the trunk cable.
  • Numeral 3 denotes a case having cable holding posts (holding members) 4 for holding the trunk cables 1 and the branch cables 2 to be connected together in such a manner that both cables are arranged in an adjacent and parallel manner.
  • the case 3 has an outer surface formed in a shape such that when a cover 20 is pressed against the case 3 using a pressing tool available commercially, the area of abutment of the case outer surface with the pressing tool is as large as possible and that the pressing force is applied uniformly to the case outer surface.
  • Numeral 4a denotes a trunk cable holding porjection for temporarily holding each trunk cable 1 in a sandwiched state between adjacent cable holding posts 4
  • Numeral 4b denotes a branch cable holding projection for temporarilty holding each brach cable 2 in a sandwiched state between adjacent cable holding posts 4.
  • Numeral 5 denotes a cable bending rib which clamps the cables when the case 3 and the cover 20 to be described later are pressed against each other. As shown in Figs.15 and 16, the cables are held by both cable receiving ends 3a formed at upper edges of the case 3 and cable pressing ends 20a formed at lower edges of the cover 20.
  • Numeral 6 denotes a solderless terminal (conducting member) formed of, say, a copper alloy for coduction between the trunk cables 1 and the branch cables 2 to be connected together.
  • the pressing terminal 6 is provided with two pressing blades 6a each having a U-shaped groove for press-fitting therein of the associated trunk cable 1 or branch cable 2, and a connecting piece 6b for interconnecting the pressing blades 6a in such a manner that the blades are arranged obliquely relative to each other.
  • the blades for both trunk cable 1 and branch cable 2 there is no distinction between the blades for both trunk cable 1 and branch cable 2. Therefore, it is optional in which direction the pressing blades are to face when each cable is press-fitted into the U-shaped grooves.
  • the pressing blades 6a are formed so that they can break the coating of the associated trunk cable 1 or branch cable 2 to provide conduction between both cables.
  • the pressing blades 6a are each provided at the lower portion thereof with projections 6c for preventing dislodgment of each solderless terminal 6 after press-fitted into a solderless terminal press-fitting portion 7 which is recessed in the case 3.
  • Numeral 8 denotes a branch cable end insertion hole formed in the case 3 for insertion therein of an end portion of each branch cable 2 to hold the same cable.
  • Numeral 9 denotes a branch cable supporting rib formed in a pair on each cable holding post 4 to press and hold an end portion of the associated branch cable 2.
  • the branch cable holding ribs 9 each have a generally triangular shape in horizontal section and are formed so that the spacing between the paired ribs 9 is narrower at the bottom. That is, the lower the position where each branch cable 2 is press-fitted between adjacent cable holding posts 4, the stronger the pressing force exerted on the branch cable from the branch cable holding ribs 9.
  • An internal structure of the case 3 composed of the above components is in the shape of 180-deg. rotation symmetry, as shown in Fig.5, so that the case 3 and the cover 20 can be easily pressed against each other without the need for the worker to consider the direction of the case.
  • Numeral 10 denotes a temporary retaining portion (engaging means) projecting from each of the right and left outer side faces of the case 3 to hold the cover in a temporarily engaged state spacedly a predetermined distance from the case when the cover is mounted to the case.
  • Numeral 11 denotes a retaining portion (engaging means) projecting from each of right and left outer side faces of the case 3 below and spacedly from the temporary retaining portion 10. This spaced distance between the temporary retaining portion 10 and the retaining portion 11 permits the creation of the above temporarily engaged state.
  • Numeral 12 denotes a guide portion which, in mounting the cover 20 to the case 3, comes into engagement with a slit portion 22 to be described later of the cover 20 to position the cover and the case with respect to each other.
  • the cover 20 is formed so that it can be mounted to the case 3. It has an outer surface formed in such a shape that, when the cover is pressed against the case using a pressing tool available commercially, the area of abutment of the outer surface with the pressing tool is as large as possible and that a uniform pressing force is applied to the outer surface.
  • the peripheral edge portion of the cover 20 is cut out in a predetermined shape so that the trunk cables 1 and branch cables 2 can pass therethrough when the cover and the case are pressed against each other.
  • the cover 20 has an internal structure of a shape which is 180-deg. rotation symmetry. This shape of an internal structure permits the cover 20 to be brought into pressure engagement with the case 3 without the need for the worker to consider the direction of the cover.
  • Numeral 21 denotes an urging projection for urging the trunk and branch cables 1,2 to the case 3 side when the cover is mounted to the case.
  • Numeral 22 denotes a slit portion for engagement with the associated guide portion 12 of the case 3.
  • Numeral 24 denotes an engaging projection (engaging means) capable of engagement with the temporary retaining portion 10 and retaining portions 11.
  • the trunk cables 1 and the branch cables 2 to be connected together are arranged at predetermined positions in an adjacent parallel manner.
  • the operation for such an adjacent arrangement can be done easily because the cables have respective predetermined colors on their coatings.
  • the trunk cables 1 are brought into engagement with the solderless terminals 6 and are each sandwiched in between adjacent cable holding posts 4 by means of the trunk cable holding projections 4a, whereby the trunk cables are held temporarily.
  • branch cables 2 are held by inserting their end portions 2a into the branch cable end insertion holes 8 (Fig. 10) and also by means of the branch cable holding ribs 9. Further, for temporary fixing, the branch cables 2 are each sandwiched in between adjacent cable holding posts 4 by means of the branch cable holding projections 4b.
  • trunk cables 1 and the branch cables 2 are easily mounted temporarily to the case 3.
  • trunk and branch cables 1,2 are urged to the case 3 side by the urging projections 21 of the cover 20.
  • the trunk and branch cables 1,2 are broken their coatings by the pressing blades 6a and come into conduction with each other, so that the branch connection is completed.
  • trunk and branch cables 1,2 are bent by the bending ribs 5 and pulled outward, resulting in that the proportion of the cable portions whose coatings are broken by the pressing blades 6a increases to a further extent and hence the connection becomes more reliable.
  • trunk and branch cables 1,2 after the pressure engagement of the cover with the case are bent and clamped firmly by both cover 20 and bending ribs 5, as shown in Figs.15 and 16, so even if the cables are pulled outward, this tension is difficult to be applied to the solderless terminals 6, which terminals therefore can be prevented from being damaged.
  • the connection reliability is enhanced.
  • branch cable end insertion holes 8 are formed in the case 3, the worker can recognize at a glance in which position the end portion 2a of each branch cable 2 should be located. That is, the temporary mounting work for the cables can be done quickly.
  • the internal structure of the case 3 and that of the cover 20 are each in the shape of 180-deg. rotation symmetry, the cover 20 can be mounted to the case 3 easily without the need for the worker to consider the direction of the cover and the case. Thus, the working efficiency is high.
  • case 3 and the cover 20 can be held in a temporarily engaged state, the worker can perform the case-cover pressing work easily while having in one hand the case 3 which is in a state of temporary engagement with the cover and while having a pressing tool in the other hand.

Landscapes

  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Cable Accessories (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP97106141A 1996-04-16 1997-04-15 Connecteur de dérivation pour câbles pour connecter électriquement ensemble des câbles principaux multiconducteurs et des câbles de dérivation multiconducteurs Withdrawn EP0802581A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP09441396A JP3308809B2 (ja) 1996-04-16 1996-04-16 ケーブル分岐コネクタ
JP94413/96 1996-04-16

Publications (2)

Publication Number Publication Date
EP0802581A2 true EP0802581A2 (fr) 1997-10-22
EP0802581A3 EP0802581A3 (fr) 1998-12-30

Family

ID=14109564

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106141A Withdrawn EP0802581A3 (fr) 1996-04-16 1997-04-15 Connecteur de dérivation pour câbles pour connecter électriquement ensemble des câbles principaux multiconducteurs et des câbles de dérivation multiconducteurs

Country Status (2)

Country Link
EP (1) EP0802581A3 (fr)
JP (1) JP3308809B2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2798230A1 (fr) * 1999-09-07 2001-03-09 Framatome Connectors Int Connecteur pour circuit souple
US6273746B1 (en) 1998-09-28 2001-08-14 Sumitomo Wiring Systems, Ltd. Connector and a method for producing the same
US8827738B2 (en) 2009-11-03 2014-09-09 Orica Explosives Technology Pty Ltd Connector, and methods of use
WO2017181232A1 (fr) * 2016-04-21 2017-10-26 Zip-Zip Technology Pty Ltd Connecteur électrique

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7261585B2 (en) 2005-03-07 2007-08-28 Yazaki Corporation Press-contact connector
JP5495423B2 (ja) * 2009-10-08 2014-05-21 日本圧着端子製造株式会社 接続ターミナル
CN109462203B (zh) * 2018-09-14 2020-08-04 广东求精电气有限公司 一种便于接线的电缆分支箱

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326767A (en) * 1979-03-12 1982-04-27 Minnesota Mining And Manufacturing Company Wire cutting electrical connector
US4822298A (en) * 1987-04-07 1989-04-18 Krone Aktiengesellschaft Wire connection for cable wires
EP0449743A1 (fr) * 1990-03-29 1991-10-02 Daiichi Denshi Kogyo Kabushiki Kaisha Connecteur à percement d'isolation
EP0615306A2 (fr) * 1993-03-11 1994-09-14 Molex Incorporated Connecteur électrique collectif
EP0650218A2 (fr) * 1993-10-26 1995-04-26 Sumitomo Wiring Systems, Ltd. Connecteur de serrage
US5498172A (en) * 1993-07-30 1996-03-12 Sunx Kabushiki Kaisha Electrical connector for interconnecting parallel multiconductor cables

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326767A (en) * 1979-03-12 1982-04-27 Minnesota Mining And Manufacturing Company Wire cutting electrical connector
US4822298A (en) * 1987-04-07 1989-04-18 Krone Aktiengesellschaft Wire connection for cable wires
EP0449743A1 (fr) * 1990-03-29 1991-10-02 Daiichi Denshi Kogyo Kabushiki Kaisha Connecteur à percement d'isolation
EP0615306A2 (fr) * 1993-03-11 1994-09-14 Molex Incorporated Connecteur électrique collectif
US5498172A (en) * 1993-07-30 1996-03-12 Sunx Kabushiki Kaisha Electrical connector for interconnecting parallel multiconductor cables
EP0650218A2 (fr) * 1993-10-26 1995-04-26 Sumitomo Wiring Systems, Ltd. Connecteur de serrage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6273746B1 (en) 1998-09-28 2001-08-14 Sumitomo Wiring Systems, Ltd. Connector and a method for producing the same
FR2798230A1 (fr) * 1999-09-07 2001-03-09 Framatome Connectors Int Connecteur pour circuit souple
US8827738B2 (en) 2009-11-03 2014-09-09 Orica Explosives Technology Pty Ltd Connector, and methods of use
WO2017181232A1 (fr) * 2016-04-21 2017-10-26 Zip-Zip Technology Pty Ltd Connecteur électrique

Also Published As

Publication number Publication date
EP0802581A3 (fr) 1998-12-30
JPH09283193A (ja) 1997-10-31
JP3308809B2 (ja) 2002-07-29

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