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
  • 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
• • 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
  • H01R12/70—Coupling devices
  • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
  • H01R12/78—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables or like structures

Definitions

• the invention relates to a device for electrically connecting at least one consumer and a multi-core cable according to the preamble of claim 1, for example for controlling solenoid valves on a sewing machine.
• a contact piece for electrically connecting a consumer with a multi-core flat cable in which the flat cable can be positioned and fixed in a predetermined area in a clamping part and in a contact carrier piercing contacts for producing the electrical
• Connection between the individual cable cores and the consumer are arranged.
• the contact carrier can be firmly connected to a clamping part.
• the arrangement of the piercing contacts in the contact piece is either fixed or frictional.
• the piercing contacts are provided with contact prongs on the cable core side, which can either be pushed through the respective cable core insulation and the cable core or pressed through the cable core insulation and the core can be accommodated between them.
• the contact prongs of these piercing contacts are formed into a common shaft, the free end of which is designed as a plug pin for the consumer. Any lancing contact is thus electrically connected to a plug contact by the shaft.
• the desired electrical connections are made by pressing the selected piercing contacts after fastening the contact bracket to the clamping part through openings arranged in or over the cable in the frictional arrangement of the piercing contacts in the contact carrier and by connecting a consumer to the rear of the plug contact.
• piercing contacts themselves are designed as plug pins on the back, which impairs the reliability of the mechanical and electrical connection between selected cable cores and a connected consumer and that there is a risk with stranded cable cores that individual wires are cut during the piercing process.
• the object of the invention is to provide a device for the electrical connection of at least one consumer and a multi-core cable, which makes it possible to predeterminable wires of the multi-core cable in any cable section with the consumer by means of penetrating the cable insulation and making electrical contact with it to reliably connect the wire-making piercing contacts. Furthermore, the object is to design the device in such a way that at least one further cable can be reliably electrically connected with the aid of piercing contacts penetrating the cable insulation and making electrical contact with the wires.
• This device represents an electrical connecting link between predeterminable, single-wire or single wire cable cores of a multi-core cable in any cable section and a consumer, in which the consumer can be connected in a simple manner via a plug contact or a plurality of plug contacts.
• the device is also designed in such a way that predeterminable cable cores of at least one further cable and thus further consumers can be electrically connected and controlled.
• the plug contacts located in the lower part are also fixed and independent of the piercing contacts and the upper part and lower part are mechanically firmly connected to each other Establish a mechanically and electrically reliable connection.
• the electrical connection between predeterminable cable cores and the consumer is established by piercing contacts which can be electrically connected both to a cable core and to a contact rail which is fixedly arranged in the lower part and is connected to a plug contact. Both a consumer and a cable connector can be connected to the plug contacts.
• the electrical connection between predeterminable cable cores of the supply and control cable and cable cores of a further cable is possible through the arrangement of a further contact rail, to which the predetermined cable cores are electrically connected by means of piercing contacts.
• the piercing contacts are fixed or frictionally arranged with a shaft in receiving channels of the upper part along the contact rails arranged in the lower part in order to ensure a clear positioning of the piercing contacts with the respective cable cores.
• the piercing contacts have contact prongs on the cable wire side with contact surfaces with which they can be brought into electrical contact with the respective cable wire and the contact rail.
• the arrangement and design of the contact prongs is determined by the structure of the cable cores.
• piercing contacts are used which have two contact prongs arranged in the form of a fork.
• piercing contacts are used which have two pairs of contact prongs arranged opposite one another and only penetrating the insulation of one cable core.
• the outer surfaces of these contact prongs are electrically non-conductive.
• the receiving channels are designed and arranged in such a way that the two contact tines, which hold the guide rail in a frictional manner between them, are aligned longitudinally with the cable wires.
• the number of receiving channels per cable wire corresponds to the number of contact rails in the lower part.
• the piercing contacts are positioned by the location of the receiving channels so that they with their contact prongs after penetration of the cable wires or the Jardinaden ' solation over the Contact rails are pressed and are finally fixed there positively or frictionally.
• a lancing contact is thus fixed in each case by a cable core and a contact rail, both of which are in turn fixed in the lower and upper part.
• the piercing contacts are used exclusively for the electrical connection between the cable cores and the consumer.
• depressions are provided in the upper and / or lower part.
• the mechanical connection of the upper and lower part is expediently carried out by a screw connection or by interlocking snap-in edges, by means of which the two parts can be connected to one another by clamping.
• a further number of consumers can be connected and controlled via a further cable, the activation of these further consumers taking place synchronously with the directly connected consumer.
• the device according to the invention is also the core of a possible cabling system with a variety of connection and control options.
• Fig. 1 is a perspective view of a device according to the invention with three contact rails and two connected flat cables, the cores of several
• FIG. 2 shows a schematic representation of a device according to the invention according to FIG. 1,
• Fig. 4 shows a piercing contact with two contact prongs
• Fig. 5 shows a piercing contact with two pairs of contact tines
• the device according to the invention (FIG. 1) consists of the lower part 1, in which, according to FIG. 2, two contact rails 2 and 2 'and a contact rail 3 are arranged, and the upper part 4, which has receiving channels 5 assigned to the contact rails of the lower part 1.
• the contact rails 2, 2 ' are formed towards the bottom of the lower part 1 to plug contacts 6, via which the direct electrical contact with a consumer V j is made.
• a multi-core flat cable 7 Between the lower part 1 and the upper part 4 are a multi-core flat cable 7, the cores of which consist of stranded individual wires and which is the supply and control cable, and the other Fixed consumer VTJ and j y leading flat cable 8, whose cores also consist of stranded individual wires.
• the positioning of the two flat cables 7 and 8 is facilitated by the depressions 9 and 10, which are formed in the lower part 1.
• the two flat cables are fixed by the screw 11, which pulls the upper part 4 onto the lower part 1.
• piercing contacts 12 each have two contact prongs 13 with contact surfaces 14, with which they, through the receiving channels 5 of the lower part 1 assigned to the predetermined cable wires of the flat cables 7 and 8, are pushed through the cable insulation and the cable wires until they are on the respective contact rail 2, 2 ', 3 are fixed by clamping.
• lancing contacts 15 which are used in particular for establishing the electrical connection between cable cores of a flat cable 7 and a flat cable 8 consisting of only a single wire and the contact rails 2, 2 'or 3.
• These piercing contacts 15 have two pairs of contact prongs 13 arranged opposite one another, the inner surfaces of which serve as electrical contact surfaces 14 and 16 and the outer surfaces 17 of which
• connection options are shown.
• the electrical connections 2 / VQ, 27V ⁇ and 3 / V 2 with the contact rails 2, V and 3 are made on the flat cable 7 by the piercing contacts 12.
• Through the contact points 2 / VQ, 2 '/ V 1 results a direct electrical connection to the consumer V ⁇ and the possibility of connecting further consumers via the flat cable 8, which can be controlled synchronously with the consumer V j .
• these are consumers j y.
• the contact rail 3 is also electrically connected through the contact point 3 / V 2 , which results in the possibility of connecting further consumers which can be controlled asynchronously to the consumer V.
• these are the consumers v ⁇ .
• the flat cable 7 can be led to other consumers VJJ.T, which can be connected and controlled by a further device according to the invention.
• the total number of consumers to be connected and controlled synchronously and asynchronously depends on the number of cable cores of the flat cables used.
• the device offers the possibility of realizing a complicated control system for a larger number of consumers, for example of solenoid valves on a sewing machine, without any special assembly work.

Landscapes

• Coupling Device And Connection With Printed Circuit (AREA)
• Multi-Conductor Connections (AREA)
• Connector Housings Or Holding Contact Members (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=6391265

Family Applications (1)

Country Status (4)

Cited By (6)

Families Citing this family (5)

Citations (3)

• 1989
  • 1989-10-11 DE DE3933942A patent/DE3933942A1/de active Granted
• 1990
  • 1990-10-11 WO PCT/EP1990/001708 patent/WO1991006134A1/de unknown
  • 1990-10-11 KR KR1019920700838A patent/KR920704379A/ko not_active Withdrawn
  • 1990-10-11 JP JP2515132A patent/JPH05502967A/ja active Pending

Patent Citations (3)

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