EP0718914A2 - Elektrische Anschlussdose - Google Patents

Elektrische Anschlussdose Download PDF

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Publication number
EP0718914A2
EP0718914A2 EP95118776A EP95118776A EP0718914A2 EP 0718914 A2 EP0718914 A2 EP 0718914A2 EP 95118776 A EP95118776 A EP 95118776A EP 95118776 A EP95118776 A EP 95118776A EP 0718914 A2 EP0718914 A2 EP 0718914A2
Authority
EP
European Patent Office
Prior art keywords
electrical connection
terminal
connection box
wire
cramping
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.)
Granted
Application number
EP95118776A
Other languages
English (en)
French (fr)
Other versions
EP0718914B1 (de
EP0718914A3 (de
Inventor
Hisashi C/O Sumitomo Wiring Systems Ltd. Konoya
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.)
Sumitomo Wiring Systems Ltd
Original Assignee
Sumitomo Wiring Systems 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 Sumitomo Wiring Systems Ltd filed Critical Sumitomo Wiring Systems Ltd
Publication of EP0718914A2 publication Critical patent/EP0718914A2/de
Publication of EP0718914A3 publication Critical patent/EP0718914A3/de
Application granted granted Critical
Publication of EP0718914B1 publication Critical patent/EP0718914B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2458—Electrical interconnections between terminal blocks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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

Definitions

  • the present invention relates to an electrical connection box used e.g. for a wiring in an automotive vehicle.
  • a known electrical connection box used for a wiring in an automotive vehicle e.g. for electrically connecting wires extending from a variety of equipments such as a battery and an audio equipment is comprised of an upper casing 1, a lower casing 2 and an insulating plate 3 mounted between the casings 1 and 2 as shown in FIG. 6 (see; for example, Japanese Unexamined Utility Model Publication No. 3-120627).
  • the upper and the lower casings 1 and 2 are formed with connector receptacles 4 (those on the lower casing 2 are not shown) and terminal holes 5 in communication with the interior of the connector receptacles 4.
  • a cramping terminal 6 is pressed into each terminal hole 5.
  • a wire W is electrically connected with a contact portion 6a formed at one end of each cramping terminal 6, and an input/output terminal portion 6b formed at the other end projects into the corresponding connector receptacle 4 of the lower casing 2 through the terminal hole 5.
  • the input/output terminal portion 6b may project into the corresponding connector receptacle 4 of the upper casing 1 through a through hole 3a formed in the insulating plate 3 and the terminal hole 5.
  • the wires W are arranged in parallel one adjacent to the other between the insulating plate 3 and the lower casing 2. Accordingly, this electrical connection box is allowed to have only limited wire arrangement patterns and cannot cope with a complicated wiring.
  • an object of the invention is to provide an electrical connection box in which wires can be arranged with a large degree of freedom, in particular for coping with a complicated wiring without enlarging the size thereof.
  • an electrical connection box comprising: a main body provided with one or more connector receptacles, a first wire group including wires arranged on a first wire plane inside the main body, a second wire group including wires arranged on a second wire plane inside the main body, wherein cramping terminals are electrically connected with corresponding wires of the first wire group and/or corresponding wires of the second wire group and project into the corresponding connector receptacle.
  • the wire planes are spaced apart, in particular parallel to one another.
  • the cramping terminals project into the connector receptacle through corresponding terminal holes formed in the main body and are preferably mounted in corresponding cramping terminal mount portions.
  • a first terminal group includes the cramping terminals being electrically connected with the corresponding wires of the first wire group and projecting into the connector receptacle as a first connector receptacle
  • a second terminal group includes the cramping terminals being electrically connected with the corresponding wires of the first wire group and projecting into a second connector receptacle
  • a third terminal group includes the cramping terminals being electrically connected with the corresponding wires of the second wire group and projecting into the second connector receptacle
  • a fourth terminal group includes the cramping terminals being electrically connected with the corresponding wires of the second wire group and projecting into the first connector receptacle.
  • the cramping terminals comprise a projecting portion, wherein the projecting portions of cramping terminals of two different terminal groups may have a different length.
  • the main body comprises an upper casing and a lower casing, at least one of the casings being provided with at least one connector receptacle, wherein one of the connector receptacles preferably is provided on the upper casing and the other connector receptacle preferably is provided on the lower casing.
  • At least one further wire group is arranged on at least one further wire plane inside the main body, wherein further cramping terminals are electrically connected with corresponding wires of the further wire group.
  • At least one insulating plate between two adjacent wire planes, wherein preferably a part of the cramping terminals project through corresponding through holes formed in the insulating plate.
  • the main body comprises at least one support wall for supporting the electrical connection box from inside.
  • the electrical connection box comprises: upper and lower casings each provided with a connector receptacle on its outer surface, terminal holes being formed in the connector receptacle, and cramping terminal mount portions, an insulating plate disposed in a space defined by the upper and the lower casings and formed with through holes through which input/output terminal portions of cramping terminals are inserted, a first wire group including wires arranged between the upper casing and the insulating plate, a second wire group including wires arranged between the lower casing and the insulating plate, a first terminal group including cramping terminals each having at one end an input/output terminal portion which projects into the connector receptacle through the corresponding terminal hole of the upper casing and having at the other end a contact portion which is electrically connected with the corresponding wire of the first wire group and mounted in the corresponding cramping terminal mount portion, a second terminal group including cramping terminals each having at one end a contact portion which is electrically connected with the corresponding wire of the first wire group and having
  • the wires of the first and the second wire groups arranged along the upper and the lower casings on the opposite vertical sides of the insulating plate, respectively, are electrically connected with the respective cramping terminals secured on the upper or lower casing.
  • the input/output terminal portions of the respective cramping terminals project from the terminal holes of the connector receptacle of the upper or lower casing to be electrically connected with an external electrical device.
  • the wires of the first and the second wire groups are arranged along the upper casing and the lower casing with the insulating plate therebetween, respectively. Accordingly, the wire can be arranged with an enhanced degree of freedom, with the result that a complicated wiring can be made in a compact manner and the dimensions of the electrical connection box itself can be made smaller.
  • the electrical connection box comprises: upper and lower casings each provided with a connector receptacle on its outer surface, terminal holes being formed in the connector receptacle, and cramping terminal mount portions, a first terminal group including cramping terminals each having a short input/output terminal portion which projects into the connector receptacle through the corresponding terminal hole of the upper casing, a fourth terminal group including cramping terminals each having a long input/output terminal portion which projects into the connector receptacle through the corresponding terminal hole of the upper casing, a third terminal group including cramping terminals each having a short input/output terminal portion which projects into the connector receptacle through the corresponding terminal hole of the lower casing, a second terminal group including cramping terminals each having a long input/output terminal portion which projects into the connector receptacle through the corresponding terminal hole of the lower casing, a first wire group including wires which are arranged along the upper casing while being connected with the cramping terminals of the first terminal group
  • the wires of the first and the second wire groups are electrically connected with the contact portions of the respective cramping terminals.
  • the long cramping terminals of the second and the fourth terminal groups are electrically connected with the wires of the first and the second wire groups.
  • the input/output terminal portions of the cramping terminals of the first to the fourth terminal groups project from the terminal holes of the connector receptacle of the upper or lower casing to be electrically connected with an external electrical device.
  • the above electrical connection box does not include the insulating plate. Accordingly, the number of parts can be reduced, thereby making the electrical connection box smaller and simpler.
  • one of the upper and the lower casings is formed with a support wall for supporting the other casing from inside.
  • the support wall projecting from one of the casings comes into contact with the opposing inner surface of the other casing. Therefore, the rigidity of the casing can be enhanced.
  • one casing is supported from inside by the support wall formed with the other casing. Accordingly, the strength of the casing can be reinforced and the assembled electrical connection box has a sufficient rigidity even without the insulating plate.
  • an electrical connection box As shown in FIGS. 1 and 2, an electrical connection box according to a first embodiment is roughly comprised of an upper casing 11, a lower casing 12, and an insulating plate 13 mounted in a space defined by the upper and the lower casings 11 and 12.
  • the upper casing 11 has a box-like shape which is open at its bottom.
  • Two connector receptacles 14 project from the upper surface of the upper casing 11.
  • the connector receptacles 14 have a rectangular cylindrical shape, and terminal holes are formed in the bottom wall of the connector receptacles 14 (upper wall of the upper casing 11).
  • Cramping terminal mount portions 16 project from the ceiling of the upper casing 11 in positions where respective cramping terminals 20 in a first group to be described later are inserted and in positions corresponding to respective cramping terminals 20 in a second group B.
  • Each mount portion 16 is, as shown in FIG. 3, formed by two plate members 16a which are spaced apart in parallel by a specified distance such that a contact portion 20a of the cramping terminal 20 can be pressed and fixed therebetween.
  • the two plate members 16a are formed with a slot 16b in which the wire W is inserted.
  • U-shaped projections are formed in two positions at the opposite sides of the opposite side surfaces of the upper casing 11, and a portion of each-projection near the opening edge of the upper casing 11 is in communication with the interior of the upper casing 11 and acts as an engaging portion 17.
  • the lower casing 12 is a plate-like member, and connector receptacles 14 similar to those formed on the upper casing 11 projects from the lower surface of the lower casing 12.
  • a plurality of terminal holes 15 are formed in the lower casing 12, and cramping terminal mount portions 16 similar to those formed on the upper casing 11 project from the upper surface of the lower casing 12 in positions where respective cramping terminals 20 in a third group C are inserted and in positions corresponding to respective cramping terminals 20 in a fourth group D.
  • Locking portions 18 project from opposite side surfaces of the lower casing 12.
  • the insulating plate 13 is a plate member of such dimensions that it can be in particular closely accommodated in the interior of the upper casing 11.
  • the insulating plate 13 is formed with a plurality of through holes 19 opening in the upper and the lower surfaces thereof.
  • the cramping terminals 20 are inserted into the terminal holes 15 of the upper and the lower casings 11 and 12.
  • Each cramping terminal 20 is of a conductive material and has a substantially U-shaped contact portion 20a at one end thereof and an input/output terminal portion 20b at the other end thereof.
  • the wires W are pressed into the slots of the contact portions 20a.
  • the edges of the slots penetrate insulating sheaths of the wires W while the wires W are pressed into the slots, thereby establishing an electrical connection between the cramping terminals 20 and cores of the wires W.
  • the contact portions 20a are pressed and fixed in the respective mount portions 16 of the upper and the lower casings 11 and 12.
  • the input/output terminal portions 20b are inserted into the terminal holes 15 directly or through the through holes 19 of the insulating plate 13 so as to project into the connector receptacles 14 of the upper or the lower casings 11 or 12.
  • the electrical connection box is assembled as follows.
  • the input/output terminal portions 20b of the cramping terminals 20 are inserted into the terminal holes 15 of the upper casing 11 so as to project into the connector receptacles 14.
  • the contact portions 20a are pressed into the mount portions 16, with the result that the cramping terminals 20 are fixed.
  • a plurality of wires W (first wire group X) are so arranged as to establish an electrical connection with the contact portions 20a of the cramping terminals 20.
  • the arranged wires W of the first wire group X are pressed into the slots of the contact portions 20a of the cramping terminals 20 (second terminal group B), and are pressed and secured into the mount portions 16 of the upper casing 11.
  • the cramping terminals 20 (third terminal group C) are inserted into the terminal holes 15 of the lower casing 12, pressed and secured in the mount portions 16. Thereafter, a plurality of wires W (second wire group Y) are so arranged as to establish an electrical connection with the contact portions 20a. Further, the respective wires W are electrically connected with the contact portions 20a of the cramping terminals 20 (fourth terminal group D), pressed and secured in the mount portions 16 of the lower casing 12.
  • the upper and the lower casings 11 and 12 are assembled such that the insulating plate 13 is located therebetween.
  • the input/output terminal portions 20b of the cramping terminals 20 of the group B secured in the upper casing 11 project into the respective connector receptacles 14 formed on the lower casing 12 through the through holes 19 of the insulating plate 13 and the terminal holes 15 of the lower casing 12.
  • the input/output terminal portions 20b of the cramping terminals 20 of the group D secured in the lower casing 12 project into the respective connector receptacles 14 formed on the upper casing 11 through the through holes 19 of the insulating plate 13 and the terminal holes 15 of the upper casing 11.
  • the upper and the lower casings 11 and 12 are assembled by the engagement of the locking portion 18 and the engaging portion 17.
  • the wires W can be arranged along the upper casing 11 and the lower casing 12 with the insulating plate 13 therebetween, the wire arrangement in the respective casings 11 and 12 can be simplified. Further, this electrical connection box can sufficiently cope with a complicated wiring without enlarging the size thereof.
  • FIG. 4 shows an electrical connection box as a second embodiment which does not need the insulating plate 13 of the electrical connection box of the first embodiment.
  • an upper casing 11 is formed with a connector receptacle 14, terminal holes 15, cramping terminal mount portions 16 (see FIG. 3) and an engaging portion 17 which acts to lock the engagement of the upper casing 11 with a lower casing 12.
  • the lower casing 12 is formed with a connector receptacle 14, terminal holes 15, cramping terminal mount portions 16 and a locking portion 18 engageable with the engaging portion 17 of the upper casing 11.
  • Cramping terminals 20 of a first terminal group A' having shorter input/output terminal portions 20b and cramping terminals 20 of a fourth terminal group D' are inserted into the terminal holes 15 of the upper casing 11.
  • cramping terminals 20 of a third terminal group C' having shorter input/output terminal portions 20b and cramping terminals 20 of a second terminal group B' are inserted into the terminal holes 15 of the lower casing 12.
  • Wires W1 and W2 of a first wire group which are arranged along the upper casing 11 are connected with the cramping terminals 20 of the first and the second terminal groups A' and B'. Further, wires W3 and W4 of a second wire group which are arranged along the lower casing 12 are connected with the cramping terminals 20 of the third and the fourth terminal groups C' and D'.
  • the wires W1 and W2 of the first wire group and the wires W3 and W4 of the second wire group are arranged on the same planes, respectively. Further, the first and the second wire groups are arranged at two vertical stages.
  • the above electrical connection boa is assembled as follows.
  • the input/output terminal portions 20b of the cramping terminals 20 of the first terminal group A' are inserted into the terminal holes 15 of the upper casing 11 so as to project into the connector receptacle 14 of the upper casing 11.
  • the contact portions 20a of the cramping terminals 20 of the first terminal group A' are pressed and secured in the mount portions 16 of the upper casing 11.
  • the input/output terminal portions 20b of the cramping terminals 20 of the third terminal group C' are inserted into the terminal holes 15 of the lower casing 12 so as to project into the connector receptacle 14 of the lower casing 11.
  • the contact portions 20a of the cramping terminals 20 of the third terminal group C' are pressed and secured in the mount portions 16 of the lower casing 11.
  • the wires W1 and W2 of the first wire group are arranged along the upper casing 11, and the wire W1 is electrically connected with the contact portions 20a of the cramping terminals 20 of the first terminal group A'.
  • the wires W3 and W4 of the second wire group are arranged along the lower casing 12, and the wire W3 is electrically connected with the contact portions 20a of the cramping terminals 20 of the third cramping terminals group C'.
  • the contact portions 20a of the cramping terminals 20 of the second terminal group B' are electrically connected with the wire W2 of the first wire group, and the long input/output terminal portions 20b thereof are inserted through the terminal holes 15 of the lower casing 12 so as to project into the connector receptacle 14 of the lower casing 12.
  • the contact portions 20a of the cramping terminals 20 of the fourth terminal group B' are electrically connected with the wire W4 of the second wire group, and the long input/output terminal portions 20b thereof are inserted through the terminal holes 15 of the upper casing 12 so as to project into the connector receptacle 14 of the upper casing 12.
  • the wires W1 and W2 of the first wire group and the wires W3 and W4 of the second wire group are arranged on the same planes, respectively, and the first and the second wire groups are arranged at two vertical stages, in particular on vertically spaced planes.
  • the wire groups can be arranged at two stages in the space defined by the upper and the lower casing 11 and 12 in the electrical connection box thus constructed. Accordingly, the wire arrangement in the respective casings 11 and 12 can be simplified and this electrical connection box can sufficiently cope with even a complicated wiring without enlarging the size thereof.
  • the insulating plate 13 is not required, the number of parts can be reduced compared to the electrical connection box of the first embodiment and assembling operability can be improved.
  • FIG. 5 shows a modification of the electrical connection box of the second embodiment.
  • a support wall 12a for supporting the upper wall of the upper casing 11 projects from the bottom surface of the lower casing 12 in a specified position.
  • the strength of the upper casing 11 is reinforced by the support wall 12a.

Landscapes

  • Connection Or Junction Boxes (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
EP19950118776 1994-12-22 1995-11-29 Elektrische Anschlussdose Expired - Lifetime EP0718914B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP32002594 1994-12-22
JP320025/94 1994-12-22
JP32002594 1994-12-22

Publications (3)

Publication Number Publication Date
EP0718914A2 true EP0718914A2 (de) 1996-06-26
EP0718914A3 EP0718914A3 (de) 1997-06-25
EP0718914B1 EP0718914B1 (de) 2001-05-23

Family

ID=18116915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950118776 Expired - Lifetime EP0718914B1 (de) 1994-12-22 1995-11-29 Elektrische Anschlussdose

Country Status (3)

Country Link
EP (1) EP0718914B1 (de)
CN (1) CN1133501A (de)
DE (1) DE69521013T2 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120627U (de) 1990-03-19 1991-12-11

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897042A (en) * 1987-06-16 1990-01-30 Sumitomo Wiring Systems, Ltd. Multiple junction device
FR2665803B1 (fr) * 1990-08-09 1993-06-18 Labinal Connecteur de derivation.
FR2666933B1 (fr) * 1990-09-19 1994-07-22 Labinal Element de liaison electrique de deux conducteurs electriques et connecteur de derivation utilisant un tel element.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120627U (de) 1990-03-19 1991-12-11

Also Published As

Publication number Publication date
DE69521013T2 (de) 2001-11-08
CN1133501A (zh) 1996-10-16
DE69521013D1 (de) 2001-06-28
EP0718914B1 (de) 2001-05-23
EP0718914A3 (de) 1997-06-25

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