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EP0261474A2 - Fiche pour câble - Google Patents

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Publication number
EP0261474A2
EP0261474A2 EP87112884A EP87112884A EP0261474A2 EP 0261474 A2 EP0261474 A2 EP 0261474A2 EP 87112884 A EP87112884 A EP 87112884A EP 87112884 A EP87112884 A EP 87112884A EP 0261474 A2 EP0261474 A2 EP 0261474A2
Authority
EP
European Patent Office
Prior art keywords
cable connector
unit
metal part
connector according
cable
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
EP87112884A
Other languages
German (de)
English (en)
Other versions
EP0261474A3 (en
EP0261474B1 (fr
Inventor
Karl Dipl.-Ing. Zell
Peter Seidel
Leo Pelzl
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to AT87112884T priority Critical patent/ATE82650T1/de
Publication of EP0261474A2 publication Critical patent/EP0261474A2/fr
Publication of EP0261474A3 publication Critical patent/EP0261474A3/de
Application granted granted Critical
Publication of EP0261474B1 publication Critical patent/EP0261474B1/fr
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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members

Definitions

  • the invention relates to a cable connector which receives the end of a shielded cable and which consists of a unit equipped with contact elements and a housing rigidly connected to it for shielding.
  • the contact elements of such a cable plug to which the wires of a switching cable are connected, are brought together with corresponding mating contact elements during the plugging process.
  • the shielding jacket of the cable must be connected to earth potential carriers suitable for the respective application.
  • the shielding jacket of the switching cable is connected to a shielding plate, which is located inside the cable connector. Individual jumper wires are connected to the shield plate, which lead to very specific contact elements of the cable connector.
  • a cable plug In order to be able to use all connection elements of a cable plug for signal transmission, a cable plug is known (DE-AS 27 40 684), the individual components of which are joined together to form a housing by means of a carrier plate.
  • This metallic carrier plate is electrically connected to the shielding jacket, so that an earth connection is made possible via contact points provided on it during the plugging process. This is done in that these contact points can be contacted with contact springs that are connected to the grounded wires rails of the assembly frame are attached. A relatively low-resistance connection to the earth potential layer is thus achieved.
  • the cable plug consists of a plurality of components, the housing being formed by an additional carrier plate. This also complicates the assembly of the cable connector.
  • the shielding function is not optimal. It is also known to use two metallic housing parts for the derivation or for the shielding function. In such a case, there are many joints, which increases the overall coupling resistance. In such a case, the effectiveness of the shielding can no longer be guaranteed.
  • the housing is formed exclusively from a one-piece U-shaped bent and under spring tension on the metal part fitted with the contact elements, which encloses the unit with its legs in such a way that these up to Reach close to the edge of the unit or protrude beyond it, and that between its web surfaces and the - in relation to the direction of insertion - rear end surface of the unit serves to accommodate the end of the cable, that the metal part has a locking element that after sliding the Me tall parts on the unit with a corresponding locking element of the unit that the electrical connection to an earth potential carrier is made indirectly or directly via the legs.
  • the one-piece housing Due to the one-piece housing, the number of parts is reduced while the assembly steps are reduced, making assembly easy. Characterized in that the metallic housing extends far over the unit equipped with the contact elements, the derivation of the shielding sheath of a switching cable connected to it is made possible over a short direct distance over a large area to an earth potential carrier. At the same time there is an optimal shielding function, which is further optimized by the fact that the cable is surrounded by the web surface. After connecting the individual wires of the cable to be inserted, the housing can be easily assembled with the unit mentioned above via a clamping connection achieved with the spring tension and the fixing via the positive locking connection without additional connecting elements.
  • the legs overlap the surfaces associated with the broad sides.
  • the legs of the U-shaped metal part make contact with a grounded metallic element which is introduced into a centering unit which serves to guide and receive the cable connector during the plugging process.
  • This element e.g. B. contacted at several points with the legs mentioned, can for example be a spring element, which in turn is in direct contact with the earth potential carrier. All connection elements of the plug can be used for signal transmission.
  • the legs of the U-shaped bent metal part extend beyond the edge of the unit on both sides and are designed in this area as preformed resilient tongues. With these tongues is then immediately. H. in the shortest possible way, contacting the earth potential carrier.
  • the large-area contact is further improved if each leg is divided into at least two such tongues, each of which is curved toward the contact point.
  • An embodiment provides that the spring tongue is slotted and that it engages laterally in a corresponding lateral extension of the cutout in the earth potential carrier when plugged in and that the outer edge designed as a locking lug engages behind this plate.
  • the spring effect is further increased by the slitting.
  • a screw connection must also be used to directly connect the cable connector housing to the earth potential carrier.
  • the screw-on surface can have a large number of points which are raised at a point.
  • the earth potential carrier can represent a shielding plate, in which a corresponding cutout is made in the plug-in area of the cable plug for the passage to the respective mating contacts.
  • the metal part 1 shown in FIG. 1 forms the housing of the cable connector according to FIG. 2 after the assembly with the unit 16 containing the contact elements, which thus represents, for example, the female connector body.
  • the web surface 15 of the basically U-shaped bent metal part runs - as 2 - at a certain angle to the lower boundary line. This results in an oblique exit for the cable 7.
  • the obliquely extending web surface 15 is angled in three relative to one another Subareas divided.
  • the two outer partial surfaces have an opening 2 and 3 and the middle one an opening 4. These openings serve to receive the metal strip 14 to be used in a known manner for fastening the switching cable and its shielding jacket.
  • the inclination of the partial areas mentioned to one another results in an approximately circular upper limitation of the receiving space for the cable end, the individual wires of which are connected to the contact elements of the unit 16. Due to this shape of the web surface 15, the cable 7 is centered and at the same time it is well enclosed by the metal part.
  • the metal part 1 consists of a highly conductive spring material, for. B. made of nickel silver sheet. His legs 6 are bent inwards due to the predetermined spring action. This state is shown in broken lines in FIG. 1. The metal part 1 still has tabs 5 bent almost at right angles to the legs 6. This makes it possible, in the plugged-in state, to contact these tabs with grounding springs in a specific embodiment, so that additional derivation can take place. These earthing springs can be connected to individual contact elements of the unit 16.
  • the locking elements 8, 9 and 11 can be seen from the side view of FIG. 2, by means of which the metal housing, which is closed on one side, is fixed in its position. After the wiring of the cable wires, including the cable, is pushed onto the unit 16, which represents the female connector body, in the spread state, up to the position predetermined by the latching elements. Cutouts 10, 11 and 12 are provided in the housing part 1 as locking elements. The elements corresponding to them are the locking lugs 8, 9 and 12. The locking lugs 8 and 9 are attached to corner pillars 26 which are to be seen as an extension of the corner regions of the unit 16. On the partial surface of each corner pillar running on the narrow side of the cable connector is the already mentioned tab 5.
  • the cutout 12 of the housing 1 encloses the latching lug 13 of the unit 16. It would also be conceivable to provide the housing part with correspondingly raised points, which then snap into corresponding recesses in the unit 16 in order to fix the position of the applied housing part.
  • the latching points are attached in the same way on the respective other leg side of the housing 1. In general terms, this means that each locking position of one side surface is also mirror-symmetrical on the opposite side surface. This ensures that, with the same positioning of the unit 16, the housing 1 can also be applied to the unit 16 in the opposite direction. The same locking points are then used for locking.
  • the cable 7 can be discharged obliquely to both sides as required. Due to this oblique removal of the cable, the space required for the cable outlet is basically reduced. Due to the oblique discharge, the compact housing shape shown for the cable connector is also possible.
  • FIG. 3 shows the centering module attached to a shielding plate 20, which is shown in cross section.
  • the centering module body 17 and the associated spring element 25, which forms a functional unit with it, is fastened to a shielding plate 20 above the recess 22 matched thereto by simply pressing it on. This is done by a plurality of latching hooks 21, which are present at least on two opposite sides. After the centering unit has been pressed on, they engage under the boundary line of the existing cutout facing away from the application direction. This creates a snap connection with good cohesion between the shielding plate 20 and the centering unit 17. Die se locking hooks 21 are connected as elastic parts to the body 17 and are bevelled accordingly to facilitate the insertion process.
  • a cable plug shown with its normal front view is introduced into the centering unit 17.
  • the unit 16 is a female connector body
  • the cable connector is plugged onto the free ends of corresponding contact blades 23, for example.
  • These can be arranged on a backplane wiring board of a module frame.
  • a subsequent shielding plate 20, which is connected to ground potential, can then serve as the end plate.
  • an opening 22 of this shielding plate 20 is provided which is adapted to the dimensions of the centering unit.
  • the spring element 25 can be pushed onto the centering unit 17 as a prefabricated element.
  • the existing spring tongues of the contact spring element 25 lie in a corresponding recess 24 in the centering body.
  • connection point of the spring element 25 with the shielding plate 20 is designated 19.
  • the electrical connection to this shielding plate is made when the centering unit is attached.
  • the derivation of the shielding jacket of the cable 7 over a short direct path and over a large area to the shielding plate 20 is possible via the contact points 19.
  • Fig. 4 shows a schematic side view of an embodiment in which the broad side of the unit 16 closing legs of the metal part 1 are designed as resilient tongues 27. 4 and 5, guide elements for the plug are not shown in the same way as in FIGS. 6 and 7. However, guide elements adapted to these embodiments can be used.
  • the spring tongues 27 extend beyond the lower edge of the unit 16 receiving the contact elements. As shown in FIG. 5, they are curved, the outer surfaces of this bulge contacting the side surface of the cutout 22 present in the shielding plate 20. These contact points 28 are provided several times on each broad side. There is therefore a direct transition from the metallic housing 1 to the grounded shielding plate 20. This is the same in the case of the spring tongues according to FIG. 6.
  • the spring tongues are not curved, but they are slotted to increase the spring effect.
  • the individual spring tongues thus rest resiliently on the end face of the cut-out area correspondingly enlarged for their reception. They also have an additional latching function, since they grip under the cutout in the shielding plate 20 with the paragraph provided for this purpose.
  • An electrically highly conductive spring plate is selected for the metallic housing 1.
  • a further variant, not shown, is conceivable, in which the U-shaped metal part is bent at its end opposite the web surface 15 directly at the lower edge of the unit 16 in a tab-like manner.
  • a screw connection can then be used via these tabs for direct contacting of the cable connector housing.
  • the screw-on surface can have a large number of points which are raised at a point.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
  • Cable Accessories (AREA)
EP87112884A 1986-09-25 1987-09-03 Fiche pour câble Expired - Lifetime EP0261474B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87112884T ATE82650T1 (de) 1986-09-25 1987-09-03 Kabelstecker.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3632600 1986-09-25
DE3632600 1986-09-25

Publications (3)

Publication Number Publication Date
EP0261474A2 true EP0261474A2 (fr) 1988-03-30
EP0261474A3 EP0261474A3 (en) 1988-10-05
EP0261474B1 EP0261474B1 (fr) 1992-11-19

Family

ID=6310337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87112884A Expired - Lifetime EP0261474B1 (fr) 1986-09-25 1987-09-03 Fiche pour câble

Country Status (4)

Country Link
US (1) US4789358A (fr)
EP (1) EP0261474B1 (fr)
AT (1) ATE82650T1 (fr)
DE (1) DE3782706D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430105A1 (fr) * 1989-11-29 1991-06-05 Hosiden Corporation Prise de connecteur multipolaire
WO1996008856A1 (fr) * 1994-09-16 1996-03-21 Nokia Telecommunications Oy Boitier de connexion de cables a protection antiparasites

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6480745A (en) * 1987-09-22 1989-03-27 Nissan Motor Air-fuel ratio control device for internal combustion engine
US5156554A (en) * 1989-10-10 1992-10-20 Itt Corporation Connector interceptor plate arrangement
US5035632A (en) * 1989-10-10 1991-07-30 Itt Corporation Card connector with interceptor plate
US4950172A (en) * 1989-10-10 1990-08-21 Itt Corporation Connector with interceptor plate
DE4404260A1 (de) * 1994-02-10 1995-08-17 W W Fischer Sa Elektrische Steckverbindung, insbesondere für die Medizintechnik
KR100293936B1 (ko) * 1998-07-27 2001-07-12 윤종용 전자파차폐를위한컨택스프링장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1450798A (en) * 1973-09-27 1976-09-29 Cannon Electric Great Britain Electrical connectors
DE2940684A1 (de) * 1979-10-08 1981-04-16 Clarion Co., Ltd., Tokyo Automatische verstaerkungsregelungsschaltung
DE3021283C2 (de) * 1980-06-06 1983-11-24 Krone Gmbh, 1000 Berlin Anschlußeinheit als Anschlußleiste und/oder als druckdichtes Kabelabschlußgerät für PCM-Kabel
US4457576A (en) * 1982-12-17 1984-07-03 Amp Incorporated One piece metal shield for an electrical connector
US4653836A (en) * 1983-07-06 1987-03-31 Amp Incorporated Shielded electrical connector
US4582384A (en) * 1984-05-04 1986-04-15 Amp Incorporated Overmolded shielded connector
JPS61201283U (fr) * 1985-06-07 1986-12-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430105A1 (fr) * 1989-11-29 1991-06-05 Hosiden Corporation Prise de connecteur multipolaire
WO1996008856A1 (fr) * 1994-09-16 1996-03-21 Nokia Telecommunications Oy Boitier de connexion de cables a protection antiparasites

Also Published As

Publication number Publication date
ATE82650T1 (de) 1992-12-15
DE3782706D1 (de) 1992-12-24
EP0261474A3 (en) 1988-10-05
US4789358A (en) 1988-12-06
EP0261474B1 (fr) 1992-11-19

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