WO2013156490A1 - Resilient contact device, contact arrangement and plug type connector - Google Patents

Resilient contact device, contact arrangement and plug type connector Download PDF

Info

Publication number
WO2013156490A1
WO2013156490A1 PCT/EP2013/057934 EP2013057934W WO2013156490A1 WO 2013156490 A1 WO2013156490 A1 WO 2013156490A1 EP 2013057934 W EP2013057934 W EP 2013057934W WO 2013156490 A1 WO2013156490 A1 WO 2013156490A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
counter
arm
insertion direction
arrangement
Prior art date
Application number
PCT/EP2013/057934
Other languages
French (fr)
Inventor
Markus Eckel
Martin Listing
Frank Wittrock
Ralf Schwan
Original Assignee
Tyco Electronics Amp Gmbh
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 Tyco Electronics Amp Gmbh filed Critical Tyco Electronics Amp Gmbh
Publication of WO2013156490A1 publication Critical patent/WO2013156490A1/en

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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2428—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using meander springs
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/245—Contacts for co-operating by abutting resilient; resiliently-mounted by stamped-out resilient contact arm
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2457—Contacts for co-operating by abutting resilient; resiliently-mounted consisting of at least two resilient arms contacting the same counterpart
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2464—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point
    • H01R13/2492—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point multiple contact points
    • 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]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2464—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point
    • H01R13/2478—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point spherical

Definitions

  • the present invention relates to a contact device for electrically contacting a counter- contact face which can be connected to the contact device in an insertion direction, comprising at least one contact arm having at least one contact location for contacting the counter-contact face, the at least one contact location being arranged so as to be able to be resiliently deflected transversely relative to a longitudinal direction of the contact arm.
  • the invention further relates to a contact arrangement for electrically contacting a counter- contact arrangement which can be connected to the contact arrangement in an insertion direction.
  • the invention further relates to an electrical plug type connector having a connector element and a mating connector element which can be connected thereto in an insertion direction.
  • the contact arms are mostly arranged parallel or at a small angle with respect to the counter-contact face and electrically contact the counter-contact face at a contact location.
  • the contact device and the counter-contact face or the contact arrangement and the counter-contact arrangement may be part of a connector element or mating connector element of an electrical plug type connector.
  • the connector element and the mating connector element may be constructed so as to be able to be connected in an insertion direction or counter insertion direction by having complementary plug faces.
  • the contact device and the contact arrangement may form a portion of a plug face of a connector element.
  • the contact device and the contact arrangement may serve to connect a shield of the connector element that absorbs electromagnetic radiation to the counter-contact device or counter-contact arrangement which connects the shield of the mating connector element in order to ensure continuous electrical shielding.
  • the plug type connectors and consequently the contact device may be subjected to vibrations or shaking during operation, for example, when they are used in movable devices, such as motor vehicles or the like. Owing to the vibrations or shaking, relative movement may occur between the connector element and the mating connector element or the contact device and the counter-contact device. Therefore, it is necessary for the contact arms of the contact device to apply a relatively high normal force to the counter-contact face at the contact locations in order to maintain the contact between the contact location and the counter-contact face and consequently to prevent interruptions to the contact.
  • the vibrations and shaking bring about relative movements between the contact location and the counter-contact location so that occurrences of iction are caused between the contact location and counter-contact face and they may become damaged over time.
  • Damage to the contact location and the counter-contact face may impair the electrical properties thereof. Impairment may become evident, for example, with a change of the transfer resistance between the contact location and the counter-contact face which may increase and consequently become worse. Contact and/or protective layers which are applied to the contact location or counter-contact face may also become damaged by the occurrences of friction.
  • An object of the present invention is therefore to provide a contact device and a contact arrangement which ensures reliable and uniform electrical contacting with a counter- contact face or a counter-contact arrangement even with prolonged use under vibration loads and in the event of occurrences of shaking.
  • the above-mentioned object is achieved in that the longitudinal direction of the at least one contact arm extends substantially transversely relative to the insertion direction.
  • the above-mentioned object is achieved according to the invention in that the contact arrangement comprises at least one contact device according to the invention.
  • the connector element and/or the mating connector element comprises) at least one contact arrangement according to the invention which overlaps a counter-contact arrangement of the connector element or mating connector element transversely relative to the insertion direction at least in an end insertion position of the plug type connector, at least one contact location of the contact arrangement contacting at least one counter-contact face of the counter-contact arrangement in an electrically conductive manner in the region of the overlap.
  • the contact location can be redirected in and counter to the insertion direction and can consequently compensate for the vibrations or shaking.
  • the contact arm Via the contact location, the contact arm can apply to the counter-contact face a contact force which brings about a bond between the contact location and the counter- contact face, which leads to bonding forces which are greater than a force required in and/or counter to the insertion direction for resilient redirection of the contact location. Consequently, the contact location can follow the vibrations or shaking or be redirected relative to the remaining portions of the contact arrangement and/or the plug type connector. Adhesive friction between the contact location and the counter-contact face may be large enough to prevent relative displacements between the contact location and the counter-contact face. Damage to the contact location and/or the counter-contact location or counter-contact face can consequently be prevented or minimised.
  • the contact device may have at least one additional contact arm having at least one contact location for contacting the counter-contact face, the at least one contact location being arranged on the at least one additional contact arm so as to be able to be resiliently deflected transversely relative to the insertion direction and the contact arm being able to extend substantially counter to the second contact arm.
  • the contact arm and the additional contact arm may extend in the same direction.
  • the path of the contact arms may, for example, be viewed from the root thereof, to which the contact arms or the contact device can be fitted to a contact arrangement.
  • the at least one contact arm and the at least one additional contact arm may be arranged spaced apart from each other in the insertion direction or arranged one behind the other.
  • the use of at least two contact arms improves distribution of the contact forces of the counter-contact face which is balanced to the greatest possible extent. Furthermore, the entire contact face is proportionally enlarged owing to the use of a plurality of contact arms.
  • the contact device may comprise a connection arm which connects the at least one contact arm to the at least one additional contact arm.
  • the movements or resilient deflections of the contact arms may be coupled via the connection arm.
  • the connection arm may assist in improving stability of the two contact arms which are coupled by means of the connection arm and consequently improving overall stability of the contact device.
  • connection arm may be arranged at a distal end of the at least one contact arm and the at least one additional contact arm, respectively.
  • the contact arms can thus be coupled together in such a manner that their movements can be synchronised to the greatest possible extent.
  • the contact locations are arranged at the distal ends of the contact arms. Consequently, the movements of the contact locations which are arranged on each of the two arms can also be synchronised by means of the connection arm.
  • the connection arm may extend substantially transversely relative to the insertion direction. Consequently, the connection arm may be constructed so as to be able to be resiliently deflected transversely relative to the insertion direction, in the same manner as the contact arms.
  • the at least one contact arm, the at least one additional contact arm and/or the connection arm may extend at least partially substantially parallel with each other in a projection transverse relative to the insertion direction.
  • the at least one contact arm, the at least one additional contact arm and/or the connection arm may thus be constructed so as to be able to be redirected in the most synchronous manner possible.
  • the at least one contact arm, the at least one additional contact arm and/or the connection arm may extend individually or together at least partially from their root in and counter to the insertion direction.
  • the at least one contact arm, the at least one additional contact arm and/or the connection arm may individually or together at least partially form an S-shape. Consequently, between the at least one contact arm, the at least one additional contact arm and/or the connection arm, bending locations which are, for example, U-shaped may be provided, or they may themselves contain U-shaped bends which act as resilient elements and may help to improve a resilient deflectability of the contact arms and connection arms.
  • a portion of the at least one contact arm may extend at least partially substantially parallel with the insertion direction.
  • a rear portion of the at least one contact arm may extend in the insertion direction away from a front portion of the contact arm which may extend substantially transversely relative to the insertion direction.
  • the rear portion of the contact arm may carry the contact location. Consequently, a bending action between the rear portion and the front portion enables displacement of the contact location which is linear to the greatest possible extent in the event of redirection of the at least one contact arm.
  • the contact device may have a meandering path in a projection transverse relative to the insertion direction.
  • the at least one contact arm, the at least one additional contact arm and/or the connection arm may thus extend together in a meandering manner.
  • meandering path leads to good resilient deflectability of the contact arms and the connection arm over the plurality of bends or round portions which the path has.
  • the at least one contact location may protrude from the contact device in a normal direction of the contact device and be inclined counter to the insertion direction.
  • the contact location may only protrude or only be inclined.
  • the protrusion of the contact location from the contact device may have the effect that the contact device contacts a counter-contact device or counter-contact face only via the contact location or a plurality of contact locations and consequently defined contact locations are provided.
  • An inclination of the contact location counter to the insertion direction may contribute to the contact location forming an inclined ramp-like member on which the counter-contact face or a front edge of a counter-contact device can rise and can consequently resiliently deflect the at least one contact arm in a protective manner.
  • the at least one contact location may have a substantially oval contact face having a longitudinal axis whose projection extends substantially parallel with the insertion direction. Consequently, the contact location may be elongate in the insertion direction and may have an oval path which tapers, for example, so as to be narrower counter to the insertion direction than in the insertion direction, which may improve ascent of the counter-contact device on the contact location when the contact device and counter-contact device are assembled in the insertion direction.
  • the contact device may be formed in one piece from sheet metal material.
  • the contact device may thus be punched from sheet metal material, for example, transversely relative to the insertion direction. From a punched component which comprises the contact device, it is possible, for example, for a tubular contact arrangement to be formed.
  • the solution according to the invention can be further improved, for example, by at least two contact devices being able to be arranged opposite each other with respect to a longitudinal axis of the contact arrangement extending parallel with the insertion direction. Consequently, the contact devices may together predetermine a receiving space for the counter-contact device or the counter-contact arrangement which may be surrounded by the contact arrangement.
  • a pressing member of the connector element and/or the mating connector element acts on the contact arrangement and/or the counter-contact arrangement transversely relative to the insertion direction, the at least one contact location being pressed against the at least one counter-contact face.
  • the pressing member can engage behind the contact arrangement and/or the counter-contact arrangement at least in portions or support it at least transversely relative to the insertion direction.
  • a resilient deformation of the contact arrangement and/or the counter-contact arrangement in the end insertion position can consequently be prevented or at least limited.
  • the pressing member can assist in increasing the contact force.
  • the pressing member may be constructed, for example, as a type of shaft.
  • the pressing member may be provided with an inclined ramp-like member so that, when the plug type connector is changed from a preliminary insertion position into the end insertion position, it can guide the contact arrangement and/or the counter-contact arrangement onto the support face thereof which adjoins the inclined ramp-like member and which is constructed to adjoin the contact arrangement and/or the counter-contact arrangement at least in the end insertion position.
  • the support face can extend substantially parallel with the insertion direction.
  • the pressing member may be part of a housing of the plug type connector and/or part of a plug securing element of the plug type connector.
  • Figure 1 is a schematic, perspective view of a contact arrangement according to the invention having a plurality of contact devices according to the invention
  • Figure 2 is another schematic perspective view of the contact arrangement shown in Figure i;
  • Figure 3 is a schematic side view of the contact arrangement shown in Figures 1 and 2;
  • Figure 4 is a schematic front view of another embodiment of a contact arrangement according to the invention having a plurality of contact devices according to the invention;
  • Figure 5 is a schematic cross-section of the contact arrangement shown in Figure 4 along the line of section A-A shown in Figure 4;
  • Figure 6 is a schematic cross-section of the contact arrangement shown in Figures 4 and 5 along the line of section B-B shown in Figure 4;
  • Figure 7 is a schematic, perspective cross-section of the contact arrangements shown in Figures 1 to 3 along the line of section C-C illustrated in Figure 4;
  • Figure 8 is a schematic cross-section of the contact arrangement shown in Figures 4 to 7 along the line of section C-C illustrated in Figure 4;
  • Figure 9 is a schematic plan view of the contact device according to the invention.
  • Figure 10a is a schematic plan view of a punched component having a plurality of contact devices according to the invention, which is constructed to form a contact arrangement according to the invention;
  • Figure 10b is a schematic rear view of the punched component shown in Figure 10a;
  • Figure 10c is a schematic side view of the punched component shown in Figures 10a and 10b;
  • Figure 11 is a schematic perspective cross-section of a plug type connector according to the invention in the insertion direction with a connector element and a mating connector element in a preliminary insertion position;
  • Figure 12 shows a detail I from Figure 11;
  • Figure 13 is a schematic perspective cross-section of the plug type connector illustrated in Figure 11 in the insertion direction in an end insertion position and
  • Figure 14 shows a detail ⁇ from Figure 13.
  • the contact arrangement 100 comprises a cylindrical base member 101 whose wall surrounds a receiving space 102 for a counter-contact arrangement (not shown). Through the receiving space 102, a longitudinal axis Lioo of the contact arrangement extends parallel with a longitudinal direction L of the contact arrangement.
  • the base member 101 extends concentrically with the longitudinal axis Lioo, that is to say, with substantially consistent spacing with respect to the
  • the radial direction R 100 extends radially away from the longitudinal axis Lioo. Consequently, the radial directions R 100 extend substantially in a plane which is defined by a vertical direction H and a transverse direction Q of the contact arrangement 100.
  • the vertical direction H extends at right angles relative to the transverse direction Q and at right angles relative to the longitudinal direction L.
  • the contact devices 1 each comprise two contact arms 2.
  • the contact arms 2 comprise a first contact arm 3 and a second contact arm 4 or at least one contact arm 3 and at least one additional contact arm 4.
  • the first contact arm 3 is arranged upstream of the second contact arm 4 in an insertion direction S.
  • the insertion direction S extends parallel with an axial direction A of the contact arrangement 100.
  • the axial direction A extends substantially parallel with the longitudinal axis Lioo of the contact arrangement 100. That is to say, the longitudinal axis L 10 o forms a central axis of the contact arrangement 100, which predetermines the axial direction.
  • the contact device 1 further comprises a connection arm 5.
  • the two contact arms 2 open via a root 6 into the base member 101.
  • the contact arms 2 are each provided with a contact location 8 and connected to the connection arm 5.
  • the contact location 8 on the first front contact arm in the insertion direction S is a first contact location 8a.
  • the contact location 8 on the second contact arm 4 to the rear in the insertion direction S is a second contact location 8b.
  • Each contact location 8 or 8a and 8b forms a contact face 9 or 9a and 9b.
  • the contact faces 9, 9a and 9b are orientated counter to the radial direction R 100 in the direction towards the receiving space 102.
  • the contact arrangement 100 has a closure region 103, in which two end portions 103a and 103b of the base member 101 are connected to each other.
  • securing elements 104 extend substantially counter to the insertion direction S in a radial direction R 100 in an outwardly inclined manner.
  • the securing elements 104 are formed as catch flaps by means of which the contact arrangement 100 can be engaged in a connector element (not shown).
  • a front end 101a of the base member 101 is directed counter to the insertion direction S.
  • a rear end 101b of the base member 101 is directed in the insertion direction S.
  • shield contact elements 105 are formed with shield contact locations 105a.
  • the shield contact elements 105 are constructed to surround at the peripheral side an electrical shielding or a net mesh or a film, which surrounds an electrical conductor and to contact it in an electrically conductive manner with the contact locations 105a thereof and at the same time to mechanically secure it.
  • Figure 2 is another schematic, perspective view of the contact arrangement 100.
  • a normal direction N can be seen, along which the contact locations 8, 8a, 8b with the contact faces 9, 9a, 9b thereof apply a contact force F to a counter-contact face (not shown).
  • the normal force and the normal direction N extend substantially counter to the radial direction R 100 and consequently transversely relative to the axial direction A and insertion direction S in the direction towards the longitudinal axis L 100 .
  • Figure 3 is a schematic side view of the contact arrangement 100 in a projection extending transversely relative to the insertion direction S in the transverse direction Q. It can be seen that the contact arms 8, 8a, 8b and the connection arms 5 each have a plurality of portions and bending locations 10.
  • the first contact arm 3 in the insertion direction S is thus connected to the base member 101 via the root 6 thereof.
  • the root 6 is adjoined by a bending location 10 which connects the root 6 to a front portion 11 of the irst contact arm 3.
  • the front portion 11 is connected to a front member 12 of the front contact arm 3 by means of another bending location 10.
  • the root 6, the front portion 11 and the front member 12 extend substantially transversely relative to the insertion direction S.
  • a rear portion 13 of the first contact arm 3 is connected to the front member 12.
  • the rear portion 13 extends substantially parallel with the insertion direction S and is slightly inclined in the normal direction N so that the contact location 8a protrudes in the direction towards the receiving space 102 from the base member 101.
  • the rear portion 13 opens in the distal end D of the contact arm 3, on which the contact location 8a is formed.
  • the distal end D of the contact arm 3 is adjoined by a bending location 10 via which the first contact arm 3 merges into the connection arm 5.
  • the bending location 10 is adjoined by a front portion 14 of the connection arm 5.
  • the front portion 14 is connected to a central portion 15 of the connection arm 5 by means of an additional bending location 10.
  • the central portion 15 is adjoined by a front member 16 of the connection arm 5 by means of another bending location 10.
  • the front portion 14, the central portion 15 and the front member 16 of the connection arm 5 extend substantially transversely relative to the insertion direction S.
  • a rear portion 17 of the connection arm 5 is connected to the front member 16 of the connection arm 5 by means of another bending location 10.
  • the rear portion 17 of the connection arm 5 extends substantially parallel with the insertion direction S and opens in the distal end D of the second contact arm 4.
  • the distal end D of the second contact arm 4 carries the contact location 8b, on which the contact face 9b is formed.
  • the distal end D of the second contact arm 4 is connected to a central portion 18 of the second contact arm 4 by means of another bending location 10.
  • the central portion 18 is connected to a transition portion 19 of the second contact arm 4 by means of another bending location 10, the transition portion 19 to some extent forming a front portion of the second contact arm 4.
  • the transition portion 19 is connected to the root 6 of the second contact arm by means of another bending location.
  • the root 6, the central portion 18 and the transition portion 19 of the second contact arm 4 extend substantially transversely relative to the insertion direction S.
  • the contact location 8 has an oval shape, a longitudinal axis Lg of the contact location 8b extending parallel with the insertion direction S and forming an axis of symmetry for the oval which, when viewed counter to the insertion direction S from the transverse axis Q 8 thereof, tapers to a greater extent than at the side thereof when viewed in the insertion direction S from the transverse axis Q 8 .
  • Figure 4 shows another embodiment of a contact arrangement 100' according to the invention.
  • the contact arrangement 100' has contact devices1' which differ from the contact devices 1 in that they have contact locations 8' which, in contrast to the contact locations 8, have a circular and non-oval basic shape.
  • Figure 4 shows that, in a non-loaded state of the contact device1' , the contact locations 8' protrude with their respective contact faces 9' from the base member 101 in the normal direction N or counter to the radial direction R 100 .
  • the contact faces 9' define in the non-loaded state a minimal periphery U min of the receiving space 102, whose minimum radius R 102 min measured from the centre point M located on the longitudinal axis L 100 be the smallest possible correct radius of the receiving space 102.
  • Figure 5 is a schematic cross-section of the contact arrangement 100' along the line of section A-A illustrated in Figure 4.
  • a bending location 110 in the base member 101 is arranged in such a manner that the bending location 110 continues in the axial direction A in the bending location 10 between the front portion 11 and the front member 12 of the irst contact arm 3 or is in alignment therewith in the insertion direction S.
  • the bending location 10 between the contact location 8a and the central portion 15 of the connection arm 5, the bending location 10 between the root 6 and the transition portion 19 of the second contact arm 4 are also in alignment with the bending location 110 of the base member 101 which in a manner of speaking continues from the front end 101a of the base member 101 as far as the rear end 101b thereof substantially parallel with the insertion direction S.
  • Figure S further shows that the front member 16 of the connection arm 5 is substantially in alignment with the base member 101 in the insertion direction S.
  • the rear portion 17 of the connection arm 5 bends at the bending location 10 in the direction of the receiving space 102 or in the normal direction N.
  • the distal end D of the second contact arm 4 bends away from the rear portion 17 of the connection arm 5 further in the normal direction N so that the rear portion 17 of the connection arm 5 and the distal end D extend in an inclined manner relative to the insertion direction S and form a type of inclined ramp-like member for a counter-contact device (not shown).
  • Figure 6 is a schematic cross-section of the contact arrangement 100' and in particular the contact device 1' along the line of section B-B illustrated in Figure 4.
  • Figure 6 shows that the rear portion 13 of the first contact arm 3 bends at the bending location 10 away from the front member 12 of the first contact arm 3. Whilst the front member 12 is substantially in alignment with the base member 101 in the insertion direction S, the rear portion 13 of the first contact arm 3 and consequently the distal end D of the first contact arm 3 protrudes with the contact location 8a in an inclined manner relative to the insertion direction S in the normal direction N into the receiving space 102.
  • Figure 7 is a schematic cross-section of the contact arrangement 100 which is orientated on the line of section C-C illustrated in Figure 4.
  • the bending locations 110 in the base member 100 also continue substantially from the front end 101a of the base member 101 as bending locations 10 over the contact device 1 as far as the rear end 101b of the base member 100.
  • the bending locations 10 between the front member 12 and the rear portion 13 of the front contact arm 3, the bending location between the distal end D of the front contact arm 3 and the front portion 14 of the connection arm 5 and the bending locations 10 between the front member 16 of the connection arm 5 and the rear portion 17 of the connection arm 5 and the bending location between the central portion 18 of the second contact arm 4 and the transition portion 19 of the second contact arm 4 are constructed in such a manner that the contact locations 8a and 8b protrude in an inclined manner relative to the insertion direction S so as to extend in the normal direction N into the receiving space 102.
  • the front member 12 of the contact arm 3, the central portion IS and the front member 16 of the connection arm 5 and the transition portion 19 of the second contact arm 4 are substantially in alignment with the base member 101 in the insertion direction S.
  • Figure 8 is a schematic cross-section of the contact arrangement 101 along the line of section C-C illustrated in Figure 4. This shows that the contact locations 8' of the contact device 1' protrude, when viewed from the base member 101, into the receiving space 102 counter to the radial direction R 100 in the normal direction N.
  • Figure 9 is a schematic plan view of the contact device 1' as part of the contact
  • the contact device 1' or the contact arrangement 100' may be punched directly from the sheet metal material, for example, before its deformation into the final, ready-to-assemble form shown in Figures 1 to 8.
  • the contact arms 2, 3, 4 and the connection arm each have longitudinal directions or axes L 3 , L 4 , L 5 which extend substantially transversely or at right angles with respect to the insertion direction S.
  • Figure 10a is a schematic plan view of the contact arrangement 100, 100' with a plurality of contact devices 1, 1' formed thereon as a planar punched component.
  • the contact devices 1, 1' are formed integrally with the contact arrangement 100, 100'.
  • the bending locations 10 of the contact device 1, 1' and the bending locations 110 in the base member operation or introduced into the punched sheet metal material in the form of predefined bending locations.
  • the closure region 103 is not yet closed so that the end portions 103a and 103b of the contact arrangement 100, 100' are exposed.
  • securing elements 113a in the form of openings which are constructed so as to be able to be brought into engagement with counter-securing elements 113b on the end portion 103b in order to be able to connect the end portions 103a and 103b to each other at least in a positive-locking manner.
  • Figure 10b is a schematic rear view of the contact arrangement 100, 100' as a planar punched component. This Figure shows that the shield contact locations 105a can already be formed on the shield contact elements 105 during the punching process.
  • Figure 10c is a schematic side view of the contact arrangement 100, 100' as a planar punched component.
  • the counter-securing elements 113b may be constructed, for example, in the form of flaps, in such a manner that they at least partially lift from the base member 101 in order to be able to be brought into engagement with the securing elements 113a which are, for example, produced in the form of openings in the simplest manner possible.
  • Figure 11 is a schematic perspective cross-section of a plug type connector 1000 according to the invention which comprises a connector element 300 according to the invention and a mating connector element 400 according to the invention.
  • the connector element 300 has a contact arrangement 100' according to the invention which has at least one of the contact devices 1 according to the invention.
  • the mating connector element 400 has a counter- contact arrangement 200 according to the invention which provides at least one counter- contact face 209 which is constructed to come into contact with the contact device 1 in an electrically conductive manner.
  • the connector element 300 further has a housing 301 or a housing member in the form of a socket housing for receiving electrical contact elements 302 in the form of socket contacts.
  • Counter-contact elements 402 in the form of pin type contacts are retained in a counter- housing 401 of the mating connector element 400 constructed as a pin type housing and can be introduced into the contact elements 302 in the insertion direction S or counter to a counter-insertion direction S'.
  • a guide 303 which extends substantially parallel with the insertion direction S and which is in the form of a channel is formed on the housing 301.
  • the guide 303 is constructed to receive a support member 403 which is formed on the counter-housing 401 and which may be constructed, for example, in the form of a shaft which extends substantially parallel with the insertion direction S.
  • a pressing member 404 which is also, for example, of shaft-like form, extends
  • the pressing member 404 is provided at the ends thereof directed in the insertion direction S with an inclined ramp-like member 404a which is directed transversely relative to the insertion direction S and at least proportionally in the direction towards the counter-contact face 209.
  • a pressing face 404b adjoins the inclined ramp-like member 404a counter to the insertion direction S.
  • the pressing face 404b is constructed to press at least a portion of the contact arrangement 100" in the direction of the counter-contact arrangement 200.
  • a pressing face 114 may be formed on the contact arrangement 100" or may be provided as a region which is constructed for the abutment of the pressing face 404b.
  • a pressing member receiving member 304 which may be constructed as a recess which extends substantially parallel with the insertion direction S, with a support face 304a which is directed in the direction towards the contact device 1.
  • the support face 304a may also extend substantially parallel with the insertion direction S and be constructed to support the pressing member 404 counter to the normal direction N if those support forces which act substantially in the normal direction N act on the contact arrangement 100" or the contact device 1.
  • the connector element 300 is introduced at least partially into the mating connector element 400, the counter-contact arrangement 200 surrounding the contact arrangement 100" at the outer periphery at least in portions.
  • the plug type connector 1000 is consequently ready to be moved into an end insertion position D, in which the connector element 300 and the mating connector element 400 are completely assembled.
  • Figure 12 shows a detail I rom Figure 11. It can be seen that, in the preliminary insertion position P of the plug type connector 1000, the contact arrangement 100" is introduced as far as a location shortly before a location in the counter-contact arrangement 100, at which the contact locations 8a, 8b move into contact with the counter-contact face 209.
  • the pressing member receiving member 304 is formed between the pressing face 114 formed in the region of the root 6 of the contact device 1 and the support face 304a.
  • Figure 13 is a schematic perspective cross-section of the plug type connector 1000 in the end insertion position E in the insertion direction S.
  • the connector element 300 is introduced as far as a predetermined end position into the mating connector element 400. Consequently, the counter-contact arrangement 200 surrounds the contact arrangement 100" in the region of the at least one contact device 1.
  • the pressing member 404 adjoins the pressing face 414 and presses the contact device 1 in the direction of the counter-contact face 209.
  • the pressing member 404 may be supported counter to the normal direction N at the support face 304a.
  • the support member 403 can be completely introduced into the guide 303 and stabilise the seat of the connector element 300 and mating connector element 400, forces applied by the pressing member 404 to the counter- housing 401 being able to be dissipated by means of the support member 403 in the guide 303.
  • the counter-contact element 402 is introduced into the contact element 302 so that they are in contact with each other in an electrically conductive manner.
  • the contact arrangement 100" and the counter-contact arrangement 200 form around the counter- contact element 402 and the contact element 302 a closed shielding plate which can simultaneously act as an earth connection, the very high contact force between the contact device 1 and the counter-contact face 209 achieved according to the invention assisting, in particular under the action of mechanical pulses and/or vibrations on the plug type connector 1000, in preventing relative movement between the contact locations 8a, 8b and the counter-contact face 209 or an at least temporary detachment of the contact locations 8a, 8b from the counter-contact face 209, and therefore in avoiding contact burn-up.
  • Figure 14 shows a detail ⁇ from Figure 13. It can be seen that, when the plug type connector 1000 is moved from the preliminary insertion position P into the end insertion position E, the pressing face 114 has slid along the inclined ramp-like member 404a and is pressed towards the counter-contact face 209 during the same movement until it reaches the level of the pressing face 404b. The pressing face 404b is pushed so far under the pressing face 114 that it rests completely on the pressing face 404b.
  • the pressing member 404 may be retained with spacing from the support face 304a or rest thereon.
  • the support face 304a may also form a limit for movements of the pressing member 404 counter to the normal direction N.
  • a contact arrangement 100, 100' may thus have a front end 101a, a rear end 101b, a base member 101, a receiving space 102, a closure region 103, end portions 103a, 103b, securing elements 104, shield contact elements 105 with shield contact locations 105, bending locations 110 and securing elements 113a, 113b in a form and number corresponding to the respective requirements in order to contact a counter-contact arrangement when arranged in a connector element.
  • the contact arrangement 100, 100' may have any number of contact devices 1, 1'.
  • a contact device 1, 1' may have contact arms 2 in the form of irst or front contact arms 3, second or rear contact arms 4 and connection arms 5, roots 6, contact locations 8, 8a, 8b, contact faces 9, 9a, 9b, bending locations 10, front portions 11, front members 12, rear portions 13 of a contact arm 2, 3, 4, front portions 14, central portions 15, front members 16 and rear portions 17 of a connection arm 5 and central portions 18 and transition portions 19 of a contact arm 2, 3, 4 in any number, shape and configuration in order to resiliently contact a counter-contact face substantially
  • a plug type connector 1000 according to the invention may be formed in accordance with requirements on a connector element 300 and a mating connector element 400 which can be formed so as to be complementary to each other, as desired, and can comprise a contact arrangement 100, 100', 100" or counter-contact arrangement 200 according to the invention.
  • the housing 301 of the connector element 300 may be provided with any number of contact elements 302, guides 303 and pressing member receiving members 304 having support faces 304a which can be constructed in accordance with requirements in order to cooperate with the counter-housing 401, any number of counter-contact elements 402 and support members 403, pressing members 404, inclined ramp-like members 404a and pressing faces 404b.
  • the contact arrangement 100, 100', 100" and the counter-contact arrangement 200 can be constructed in accordance with requirements in order to form pressing faces 114 or counter-contact faces 208 and both may be provided with any number of contact devices 1, 1 ' in order to be able to produce a stable electrical contact between the contact
  • the contact arrangement 100, 100', 100" and the counter-contact arrangement 200 may be constructed in accordance with
  • the contact arrangement 100, 100', 100" and the counter-contact arrangement 200 can overlap each other as desired in order to bring about shielding of the plug type connector 1000 which is as closed as possible.

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Abstract

The present invention relates to a contact device (1, 1') for electrically contacting a counter-contact face (11) which can be connected to the contact device (100, 100') in an insertion direction (S), comprising at least one contact arm (2, 3, 4) having at least one contact location (8, 8') for contacting the counter-contact face, the at least one contact location (8, 8') being arranged so as to be able to be resiliently deflected transversely relative to a longitudinal direction (L2, L4) of the contact arm (2, 3, 4). The invention further relates to a contact arrangement (100) for electrically contacting a counter-contact arrangement which can be connected to the contact arrangement (100, 100') in an insertion direction (S). The invention further relates to an electrical plug type connector (1000) having a connector element (300) and a mating connector element (400) which can be connected thereto in the insertion direction (S). In order to prevent occurrences of friction between the contact location (8, 8') and the counter-contact face, there is provision according to the invention for the longitudinal direction (L2, L4) to extend substantially transversely relative to the insertion direction (S) and for the contact arrangement (100, 100') to have at least one contact device (1, 1') according to the invention or the connector element (300) or the mating connector element (400) to have at least one contact arrangement (100, 100', 100") according to the invention.

Description

RESILIENT CONTACT DEVICE, CONTACT ARRANGEMENT AND PLUG TYPE
CONNECTOR
The present invention relates to a contact device for electrically contacting a counter- contact face which can be connected to the contact device in an insertion direction, comprising at least one contact arm having at least one contact location for contacting the counter-contact face, the at least one contact location being arranged so as to be able to be resiliently deflected transversely relative to a longitudinal direction of the contact arm.
The invention further relates to a contact arrangement for electrically contacting a counter- contact arrangement which can be connected to the contact arrangement in an insertion direction.
The invention further relates to an electrical plug type connector having a connector element and a mating connector element which can be connected thereto in an insertion direction.
Contact devices having resiliently deflectable contact arms are known from the prior art. The contact arms are mostly arranged parallel or at a small angle with respect to the counter-contact face and electrically contact the counter-contact face at a contact location. The contact device and the counter-contact face or the contact arrangement and the counter-contact arrangement may be part of a connector element or mating connector element of an electrical plug type connector. The connector element and the mating connector element may be constructed so as to be able to be connected in an insertion direction or counter insertion direction by having complementary plug faces. The contact device and the contact arrangement may form a portion of a plug face of a connector element. For example, the contact device and the contact arrangement may serve to connect a shield of the connector element that absorbs electromagnetic radiation to the counter-contact device or counter-contact arrangement which connects the shield of the mating connector element in order to ensure continuous electrical shielding.
The plug type connectors and consequently the contact device may be subjected to vibrations or shaking during operation, for example, when they are used in movable devices, such as motor vehicles or the like. Owing to the vibrations or shaking, relative movement may occur between the connector element and the mating connector element or the contact device and the counter-contact device. Therefore, it is necessary for the contact arms of the contact device to apply a relatively high normal force to the counter-contact face at the contact locations in order to maintain the contact between the contact location and the counter-contact face and consequently to prevent interruptions to the contact. However, the vibrations and shaking bring about relative movements between the contact location and the counter-contact location so that occurrences of iction are caused between the contact location and counter-contact face and they may become damaged over time. Damage to the contact location and the counter-contact face may impair the electrical properties thereof. Impairment may become evident, for example, with a change of the transfer resistance between the contact location and the counter-contact face which may increase and consequently become worse. Contact and/or protective layers which are applied to the contact location or counter-contact face may also become damaged by the occurrences of friction.
An object of the present invention is therefore to provide a contact device and a contact arrangement which ensures reliable and uniform electrical contacting with a counter- contact face or a counter-contact arrangement even with prolonged use under vibration loads and in the event of occurrences of shaking.
For the contact device mentioned in the introduction, the above-mentioned object is achieved in that the longitudinal direction of the at least one contact arm extends substantially transversely relative to the insertion direction.
For the contact arrangement mentioned in the introduction, the above-mentioned object is achieved according to the invention in that the contact arrangement comprises at least one contact device according to the invention.
For the plug type connector mentioned in the introduction, the above-mentioned object is achieved according to the invention in that the connector element and/or the mating connector element comprises) at least one contact arrangement according to the invention which overlaps a counter-contact arrangement of the connector element or mating connector element transversely relative to the insertion direction at least in an end insertion position of the plug type connector, at least one contact location of the contact arrangement contacting at least one counter-contact face of the counter-contact arrangement in an electrically conductive manner in the region of the overlap.
These simple solutions have the advantage that the contact location can be redirected in and counter to the insertion direction and can consequently compensate for the vibrations or shaking. Via the contact location, the contact arm can apply to the counter-contact face a contact force which brings about a bond between the contact location and the counter- contact face, which leads to bonding forces which are greater than a force required in and/or counter to the insertion direction for resilient redirection of the contact location. Consequently, the contact location can follow the vibrations or shaking or be redirected relative to the remaining portions of the contact arrangement and/or the plug type connector. Adhesive friction between the contact location and the counter-contact face may be large enough to prevent relative displacements between the contact location and the counter-contact face. Damage to the contact location and/or the counter-contact location or counter-contact face can consequently be prevented or minimised.
The solutions according to the invention can be freely combined and further improved with the following additional embodiments which are each advantageous per se.
The contact device may have at least one additional contact arm having at least one contact location for contacting the counter-contact face, the at least one contact location being arranged on the at least one additional contact arm so as to be able to be resiliently deflected transversely relative to the insertion direction and the contact arm being able to extend substantially counter to the second contact arm. Alternatively, the contact arm and the additional contact arm may extend in the same direction. The path of the contact arms may, for example, be viewed from the root thereof, to which the contact arms or the contact device can be fitted to a contact arrangement. The at least one contact arm and the at least one additional contact arm may be arranged spaced apart from each other in the insertion direction or arranged one behind the other. The use of at least two contact arms improves distribution of the contact forces of the counter-contact face which is balanced to the greatest possible extent. Furthermore, the entire contact face is proportionally enlarged owing to the use of a plurality of contact arms.
The contact device may comprise a connection arm which connects the at least one contact arm to the at least one additional contact arm. The movements or resilient deflections of the contact arms may be coupled via the connection arm. Furthermore, the connection arm may assist in improving stability of the two contact arms which are coupled by means of the connection arm and consequently improving overall stability of the contact device.
The connection arm may be arranged at a distal end of the at least one contact arm and the at least one additional contact arm, respectively. The contact arms can thus be coupled together in such a manner that their movements can be synchronised to the greatest possible extent. Generally, the contact locations are arranged at the distal ends of the contact arms. Consequently, the movements of the contact locations which are arranged on each of the two arms can also be synchronised by means of the connection arm. The connection arm may extend substantially transversely relative to the insertion direction. Consequently, the connection arm may be constructed so as to be able to be resiliently deflected transversely relative to the insertion direction, in the same manner as the contact arms.
The at least one contact arm, the at least one additional contact arm and/or the connection arm may extend at least partially substantially parallel with each other in a projection transverse relative to the insertion direction. The at least one contact arm, the at least one additional contact arm and/or the connection arm may thus be constructed so as to be able to be redirected in the most synchronous manner possible. The at least one contact arm, the at least one additional contact arm and/or the connection arm may extend individually or together at least partially from their root in and counter to the insertion direction.
Consequently, displacements of the contact locations transversely relative to the insertion direction can be prevented since forces which act transversely relative to the insertion direction owing to the opposing path can be compensated for.
The at least one contact arm, the at least one additional contact arm and/or the connection arm may individually or together at least partially form an S-shape. Consequently, between the at least one contact arm, the at least one additional contact arm and/or the connection arm, bending locations which are, for example, U-shaped may be provided, or they may themselves contain U-shaped bends which act as resilient elements and may help to improve a resilient deflectability of the contact arms and connection arms.
A portion of the at least one contact arm may extend at least partially substantially parallel with the insertion direction. For example, a rear portion of the at least one contact arm may extend in the insertion direction away from a front portion of the contact arm which may extend substantially transversely relative to the insertion direction. The rear portion of the contact arm may carry the contact location. Consequently, a bending action between the rear portion and the front portion enables displacement of the contact location which is linear to the greatest possible extent in the event of redirection of the at least one contact arm.
The contact device may have a meandering path in a projection transverse relative to the insertion direction. The at least one contact arm, the at least one additional contact arm and/or the connection arm may thus extend together in a meandering manner. A
meandering path leads to good resilient deflectability of the contact arms and the connection arm over the plurality of bends or round portions which the path has.
The at least one contact location may protrude from the contact device in a normal direction of the contact device and be inclined counter to the insertion direction.
Alternatively, the contact location may only protrude or only be inclined. The protrusion of the contact location from the contact device may have the effect that the contact device contacts a counter-contact device or counter-contact face only via the contact location or a plurality of contact locations and consequently defined contact locations are provided. An inclination of the contact location counter to the insertion direction may contribute to the contact location forming an inclined ramp-like member on which the counter-contact face or a front edge of a counter-contact device can rise and can consequently resiliently deflect the at least one contact arm in a protective manner.
The at least one contact location may have a substantially oval contact face having a longitudinal axis whose projection extends substantially parallel with the insertion direction. Consequently, the contact location may be elongate in the insertion direction and may have an oval path which tapers, for example, so as to be narrower counter to the insertion direction than in the insertion direction, which may improve ascent of the counter-contact device on the contact location when the contact device and counter-contact device are assembled in the insertion direction.
The contact device may be formed in one piece from sheet metal material. The contact device may thus be punched from sheet metal material, for example, transversely relative to the insertion direction. From a punched component which comprises the contact device, it is possible, for example, for a tubular contact arrangement to be formed.
For the contact arrangement mentioned in the introduction, the solution according to the invention can be further improved, for example, by at least two contact devices being able to be arranged opposite each other with respect to a longitudinal axis of the contact arrangement extending parallel with the insertion direction. Consequently, the contact devices may together predetermine a receiving space for the counter-contact device or the counter-contact arrangement which may be surrounded by the contact arrangement.
For the plug type connector mentioned in the introduction, it is possible to further improve the solution according to the invention, for example, in that at least in the end insertion position a pressing member of the connector element and/or the mating connector element acts on the contact arrangement and/or the counter-contact arrangement transversely relative to the insertion direction, the at least one contact location being pressed against the at least one counter-contact face. For example, the pressing member can engage behind the contact arrangement and/or the counter-contact arrangement at least in portions or support it at least transversely relative to the insertion direction. A resilient deformation of the contact arrangement and/or the counter-contact arrangement in the end insertion position can consequently be prevented or at least limited. The pressing member can assist in increasing the contact force.
The pressing member may be constructed, for example, as a type of shaft. The pressing member may be provided with an inclined ramp-like member so that, when the plug type connector is changed from a preliminary insertion position into the end insertion position, it can guide the contact arrangement and/or the counter-contact arrangement onto the support face thereof which adjoins the inclined ramp-like member and which is constructed to adjoin the contact arrangement and/or the counter-contact arrangement at least in the end insertion position. The support face can extend substantially parallel with the insertion direction. The pressing member may be part of a housing of the plug type connector and/or part of a plug securing element of the plug type connector.
The invention is explained in greater detail below by way of example with reference to a plurality of embodiments and the appended drawings. The embodiments are only possible embodiments, in which individual features can be implemented independently of each other and omitted as described above. In the description of the embodiments, for the sake of simplicity, features and elements which are the same have been given the same reference numerals. Features and elements with a functionality which is the same or at least similar generally have the same reference numeral or the same reference letter, which is provided with one or more apostrophes in order to designate another embodiment.
In the drawings:
Figure 1 is a schematic, perspective view of a contact arrangement according to the invention having a plurality of contact devices according to the invention;
Figure 2 is another schematic perspective view of the contact arrangement shown in Figure i;
Figure 3 is a schematic side view of the contact arrangement shown in Figures 1 and 2; Figure 4 is a schematic front view of another embodiment of a contact arrangement according to the invention having a plurality of contact devices according to the invention; Figure 5 is a schematic cross-section of the contact arrangement shown in Figure 4 along the line of section A-A shown in Figure 4;
Figure 6 is a schematic cross-section of the contact arrangement shown in Figures 4 and 5 along the line of section B-B shown in Figure 4;
Figure 7 is a schematic, perspective cross-section of the contact arrangements shown in Figures 1 to 3 along the line of section C-C illustrated in Figure 4;
Figure 8 is a schematic cross-section of the contact arrangement shown in Figures 4 to 7 along the line of section C-C illustrated in Figure 4;
Figure 9 is a schematic plan view of the contact device according to the invention; Figure 10a is a schematic plan view of a punched component having a plurality of contact devices according to the invention, which is constructed to form a contact arrangement according to the invention;
Figure 10b is a schematic rear view of the punched component shown in Figure 10a;
Figure 10c is a schematic side view of the punched component shown in Figures 10a and 10b;
Figure 11 is a schematic perspective cross-section of a plug type connector according to the invention in the insertion direction with a connector element and a mating connector element in a preliminary insertion position;
Figure 12 shows a detail I from Figure 11;
Figure 13 is a schematic perspective cross-section of the plug type connector illustrated in Figure 11 in the insertion direction in an end insertion position and
Figure 14 shows a detail Π from Figure 13.
An embodiment of a contact arrangement 100 according to the invention is first described with reference to the schematic perspective view in Figure 1. The contact arrangement 100 comprises a cylindrical base member 101 whose wall surrounds a receiving space 102 for a counter-contact arrangement (not shown). Through the receiving space 102, a longitudinal axis Lioo of the contact arrangement extends parallel with a longitudinal direction L of the contact arrangement. The base member 101 extends concentrically with the longitudinal axis Lioo, that is to say, with substantially consistent spacing with respect to the
longitudinal axis Lioo, which is measured in a radial direction R100 of the contact arrangement 100. The radial direction R100 extends radially away from the longitudinal axis Lioo. Consequently, the radial directions R100 extend substantially in a plane which is defined by a vertical direction H and a transverse direction Q of the contact arrangement 100. The vertical direction H extends at right angles relative to the transverse direction Q and at right angles relative to the longitudinal direction L.
In the wall of the base member 101, there are arranged a plurality of contact devices 1 according to the invention which, as in the present embodiment, may be formed integrally with the base member 101. The contact devices 1 each comprise two contact arms 2. The contact arms 2 comprise a first contact arm 3 and a second contact arm 4 or at least one contact arm 3 and at least one additional contact arm 4. The first contact arm 3 is arranged upstream of the second contact arm 4 in an insertion direction S. The insertion direction S extends parallel with an axial direction A of the contact arrangement 100. The axial direction A extends substantially parallel with the longitudinal axis Lioo of the contact arrangement 100. That is to say, the longitudinal axis L10o forms a central axis of the contact arrangement 100, which predetermines the axial direction.
The contact device 1 further comprises a connection arm 5. The two contact arms 2 open via a root 6 into the base member 101. At their distal ends D, the contact arms 2 are each provided with a contact location 8 and connected to the connection arm 5. The contact location 8 on the first front contact arm in the insertion direction S is a first contact location 8a. The contact location 8 on the second contact arm 4 to the rear in the insertion direction S is a second contact location 8b. Each contact location 8 or 8a and 8b forms a contact face 9 or 9a and 9b. The contact faces 9, 9a and 9b are orientated counter to the radial direction R100 in the direction towards the receiving space 102.
Furthermore, the contact arrangement 100 has a closure region 103, in which two end portions 103a and 103b of the base member 101 are connected to each other. From the base member 101, securing elements 104 extend substantially counter to the insertion direction S in a radial direction R100 in an outwardly inclined manner. The securing elements 104 are formed as catch flaps by means of which the contact arrangement 100 can be engaged in a connector element (not shown). A front end 101a of the base member 101 is directed counter to the insertion direction S. A rear end 101b of the base member 101 is directed in the insertion direction S. At the rear end 101b, shield contact elements 105 are formed with shield contact locations 105a. The shield contact elements 105 are constructed to surround at the peripheral side an electrical shielding or a net mesh or a film, which surrounds an electrical conductor and to contact it in an electrically conductive manner with the contact locations 105a thereof and at the same time to mechanically secure it.
Figure 2 is another schematic, perspective view of the contact arrangement 100. In this instance, a normal direction N can be seen, along which the contact locations 8, 8a, 8b with the contact faces 9, 9a, 9b thereof apply a contact force F to a counter-contact face (not shown). The normal force and the normal direction N extend substantially counter to the radial direction R100 and consequently transversely relative to the axial direction A and insertion direction S in the direction towards the longitudinal axis L100.
Figure 3 is a schematic side view of the contact arrangement 100 in a projection extending transversely relative to the insertion direction S in the transverse direction Q. It can be seen that the contact arms 8, 8a, 8b and the connection arms 5 each have a plurality of portions and bending locations 10. The first contact arm 3 in the insertion direction S is thus connected to the base member 101 via the root 6 thereof. The root 6 is adjoined by a bending location 10 which connects the root 6 to a front portion 11 of the irst contact arm 3. The front portion 11 is connected to a front member 12 of the front contact arm 3 by means of another bending location 10. The root 6, the front portion 11 and the front member 12 extend substantially transversely relative to the insertion direction S. By means of an additional bending location 10, a rear portion 13 of the first contact arm 3 is connected to the front member 12. The rear portion 13 extends substantially parallel with the insertion direction S and is slightly inclined in the normal direction N so that the contact location 8a protrudes in the direction towards the receiving space 102 from the base member 101. The rear portion 13 opens in the distal end D of the contact arm 3, on which the contact location 8a is formed.
The distal end D of the contact arm 3 is adjoined by a bending location 10 via which the first contact arm 3 merges into the connection arm 5. The bending location 10 is adjoined by a front portion 14 of the connection arm 5. The front portion 14 is connected to a central portion 15 of the connection arm 5 by means of an additional bending location 10. The central portion 15 is adjoined by a front member 16 of the connection arm 5 by means of another bending location 10. The front portion 14, the central portion 15 and the front member 16 of the connection arm 5 extend substantially transversely relative to the insertion direction S. A rear portion 17 of the connection arm 5 is connected to the front member 16 of the connection arm 5 by means of another bending location 10. The rear portion 17 of the connection arm 5 extends substantially parallel with the insertion direction S and opens in the distal end D of the second contact arm 4.
The distal end D of the second contact arm 4 carries the contact location 8b, on which the contact face 9b is formed. The distal end D of the second contact arm 4 is connected to a central portion 18 of the second contact arm 4 by means of another bending location 10. The central portion 18 is connected to a transition portion 19 of the second contact arm 4 by means of another bending location 10, the transition portion 19 to some extent forming a front portion of the second contact arm 4. The transition portion 19 is connected to the root 6 of the second contact arm by means of another bending location. The root 6, the central portion 18 and the transition portion 19 of the second contact arm 4 extend substantially transversely relative to the insertion direction S.
In Figure 3, it can further be seen that the contact location 8 has an oval shape, a longitudinal axis Lg of the contact location 8b extending parallel with the insertion direction S and forming an axis of symmetry for the oval which, when viewed counter to the insertion direction S from the transverse axis Q8 thereof, tapers to a greater extent than at the side thereof when viewed in the insertion direction S from the transverse axis Q8.
Figure 4 shows another embodiment of a contact arrangement 100' according to the invention. In contrast to the contact arrangement 100, the contact arrangement 100' has contact devices1' which differ from the contact devices 1 in that they have contact locations 8' which, in contrast to the contact locations 8, have a circular and non-oval basic shape. Figure 4 shows that, in a non-loaded state of the contact device1' , the contact locations 8' protrude with their respective contact faces 9' from the base member 101 in the normal direction N or counter to the radial direction R100. Consequently, the contact faces 9' define in the non-loaded state a minimal periphery Umin of the receiving space 102, whose minimum radius R102 min measured from the centre point M located on the longitudinal axis L100 be the smallest possible correct radius of the receiving space 102.
Figure 5 is a schematic cross-section of the contact arrangement 100' along the line of section A-A illustrated in Figure 4. A bending location 110 in the base member 101 is arranged in such a manner that the bending location 110 continues in the axial direction A in the bending location 10 between the front portion 11 and the front member 12 of the irst contact arm 3 or is in alignment therewith in the insertion direction S. The bending location 10 between the contact location 8a and the central portion 15 of the connection arm 5, the bending location 10 between the root 6 and the transition portion 19 of the second contact arm 4 are also in alignment with the bending location 110 of the base member 101 which in a manner of speaking continues from the front end 101a of the base member 101 as far as the rear end 101b thereof substantially parallel with the insertion direction S.
Figure S further shows that the front member 16 of the connection arm 5 is substantially in alignment with the base member 101 in the insertion direction S. The rear portion 17 of the connection arm 5 bends at the bending location 10 in the direction of the receiving space 102 or in the normal direction N. At the other bend 10, the distal end D of the second contact arm 4 bends away from the rear portion 17 of the connection arm 5 further in the normal direction N so that the rear portion 17 of the connection arm 5 and the distal end D extend in an inclined manner relative to the insertion direction S and form a type of inclined ramp-like member for a counter-contact device (not shown).
Figure 6 is a schematic cross-section of the contact arrangement 100' and in particular the contact device 1' along the line of section B-B illustrated in Figure 4. Figure 6 shows that the rear portion 13 of the first contact arm 3 bends at the bending location 10 away from the front member 12 of the first contact arm 3. Whilst the front member 12 is substantially in alignment with the base member 101 in the insertion direction S, the rear portion 13 of the first contact arm 3 and consequently the distal end D of the first contact arm 3 protrudes with the contact location 8a in an inclined manner relative to the insertion direction S in the normal direction N into the receiving space 102.
Figure 7 is a schematic cross-section of the contact arrangement 100 which is orientated on the line of section C-C illustrated in Figure 4. With the contact arrangement 100, the bending locations 110 in the base member 100 also continue substantially from the front end 101a of the base member 101 as bending locations 10 over the contact device 1 as far as the rear end 101b of the base member 100. Whilst the roots 6 of the front and rear contact arm 3 or 4 in the insertion direction S are substantially in alignment with the housing member 101, the bending locations 10 between the front member 12 and the rear portion 13 of the front contact arm 3, the bending location between the distal end D of the front contact arm 3 and the front portion 14 of the connection arm 5 and the bending locations 10 between the front member 16 of the connection arm 5 and the rear portion 17 of the connection arm 5 and the bending location between the central portion 18 of the second contact arm 4 and the transition portion 19 of the second contact arm 4 are constructed in such a manner that the contact locations 8a and 8b protrude in an inclined manner relative to the insertion direction S so as to extend in the normal direction N into the receiving space 102. At least in the non-loaded state of the contact device 1, the front member 12 of the contact arm 3, the central portion IS and the front member 16 of the connection arm 5 and the transition portion 19 of the second contact arm 4 are substantially in alignment with the base member 101 in the insertion direction S.
Figure 8 is a schematic cross-section of the contact arrangement 101 along the line of section C-C illustrated in Figure 4. This shows that the contact locations 8' of the contact device 1' protrude, when viewed from the base member 101, into the receiving space 102 counter to the radial direction R100 in the normal direction N.
Figure 9 is a schematic plan view of the contact device 1' as part of the contact
arrangement 100'. In a planar state, in which the roots 6, the front portion 11, the front member 12, the rear portion 13 and the distal end D with the contact location 8a of the irst contact arm 3, the front portion 14, the central portion 15, the front member 16 and the rear portion 17 of the connection arm 5 and the distal end D with the contact location 8b, the central portion 18 and the transition portion 19 of the second contact arm 4 are
substantially arranged in a plane and are consequently substantially in alignment with the base member 101 in the insertion direction S. In the state shown in Figure 9, the contact device 1' or the contact arrangement 100' may be punched directly from the sheet metal material, for example, before its deformation into the final, ready-to-assemble form shown in Figures 1 to 8. Furthermore, the contact arms 2, 3, 4 and the connection arm each have longitudinal directions or axes L3, L4, L5 which extend substantially transversely or at right angles with respect to the insertion direction S.
Figure 10a is a schematic plan view of the contact arrangement 100, 100' with a plurality of contact devices 1, 1' formed thereon as a planar punched component. The contact devices 1, 1' are formed integrally with the contact arrangement 100, 100'. The bending locations 10 of the contact device 1, 1' and the bending locations 110 in the base member operation or introduced into the punched sheet metal material in the form of predefined bending locations. In the state illustrated in Figure 10a, the closure region 103 is not yet closed so that the end portions 103a and 103b of the contact arrangement 100, 100' are exposed. At the end portion 103a, there may be formed securing elements 113a in the form of openings which are constructed so as to be able to be brought into engagement with counter-securing elements 113b on the end portion 103b in order to be able to connect the end portions 103a and 103b to each other at least in a positive-locking manner.
Figure 10b is a schematic rear view of the contact arrangement 100, 100' as a planar punched component. This Figure shows that the shield contact locations 105a can already be formed on the shield contact elements 105 during the punching process.
Figure 10c is a schematic side view of the contact arrangement 100, 100' as a planar punched component. During the punching operation, the counter-securing elements 113b may be constructed, for example, in the form of flaps, in such a manner that they at least partially lift from the base member 101 in order to be able to be brought into engagement with the securing elements 113a which are, for example, produced in the form of openings in the simplest manner possible.
Figure 11 is a schematic perspective cross-section of a plug type connector 1000 according to the invention which comprises a connector element 300 according to the invention and a mating connector element 400 according to the invention. The connector element 300 has a contact arrangement 100' according to the invention which has at least one of the contact devices 1 according to the invention. The mating connector element 400 has a counter- contact arrangement 200 according to the invention which provides at least one counter- contact face 209 which is constructed to come into contact with the contact device 1 in an electrically conductive manner.
The connector element 300 further has a housing 301 or a housing member in the form of a socket housing for receiving electrical contact elements 302 in the form of socket contacts. Counter-contact elements 402 in the form of pin type contacts are retained in a counter- housing 401 of the mating connector element 400 constructed as a pin type housing and can be introduced into the contact elements 302 in the insertion direction S or counter to a counter-insertion direction S'. Furthermore, a guide 303 which extends substantially parallel with the insertion direction S and which is in the form of a channel is formed on the housing 301. The guide 303 is constructed to receive a support member 403 which is formed on the counter-housing 401 and which may be constructed, for example, in the form of a shaft which extends substantially parallel with the insertion direction S.
A pressing member 404 which is also, for example, of shaft-like form, extends
substantially parallel with the insertion direction S and is connected to the support member 403 as rigidly as possible. The pressing member 404 is provided at the ends thereof directed in the insertion direction S with an inclined ramp-like member 404a which is directed transversely relative to the insertion direction S and at least proportionally in the direction towards the counter-contact face 209. A pressing face 404b adjoins the inclined ramp-like member 404a counter to the insertion direction S. The pressing face 404b is constructed to press at least a portion of the contact arrangement 100" in the direction of the counter-contact arrangement 200. To that end, a pressing face 114 may be formed on the contact arrangement 100" or may be provided as a region which is constructed for the abutment of the pressing face 404b.
In order to dissipate the forces on the housing 300 occurring during the pressing action, it is possible to provide the housing, in the region of a pressing member receiving member 304 which may be constructed as a recess which extends substantially parallel with the insertion direction S, with a support face 304a which is directed in the direction towards the contact device 1. The support face 304a may also extend substantially parallel with the insertion direction S and be constructed to support the pressing member 404 counter to the normal direction N if those support forces which act substantially in the normal direction N act on the contact arrangement 100" or the contact device 1.
In the preliminary insertion position P illustrated in Figure 11, the connector element 300 is introduced at least partially into the mating connector element 400, the counter-contact arrangement 200 surrounding the contact arrangement 100" at the outer periphery at least in portions. The plug type connector 1000 is consequently ready to be moved into an end insertion position D, in which the connector element 300 and the mating connector element 400 are completely assembled. Figure 12 shows a detail I rom Figure 11. It can be seen that, in the preliminary insertion position P of the plug type connector 1000, the contact arrangement 100" is introduced as far as a location shortly before a location in the counter-contact arrangement 100, at which the contact locations 8a, 8b move into contact with the counter-contact face 209. The pressing member receiving member 304 is formed between the pressing face 114 formed in the region of the root 6 of the contact device 1 and the support face 304a.
Figure 13 is a schematic perspective cross-section of the plug type connector 1000 in the end insertion position E in the insertion direction S. In the end insertion position E, the connector element 300 is introduced as far as a predetermined end position into the mating connector element 400. Consequently, the counter-contact arrangement 200 surrounds the contact arrangement 100" in the region of the at least one contact device 1. The pressing member 404 adjoins the pressing face 414 and presses the contact device 1 in the direction of the counter-contact face 209. The pressing member 404 may be supported counter to the normal direction N at the support face 304a. The support member 403 can be completely introduced into the guide 303 and stabilise the seat of the connector element 300 and mating connector element 400, forces applied by the pressing member 404 to the counter- housing 401 being able to be dissipated by means of the support member 403 in the guide 303.
Furthermore, the counter-contact element 402 is introduced into the contact element 302 so that they are in contact with each other in an electrically conductive manner. The contact arrangement 100" and the counter-contact arrangement 200 form around the counter- contact element 402 and the contact element 302 a closed shielding plate which can simultaneously act as an earth connection, the very high contact force between the contact device 1 and the counter-contact face 209 achieved according to the invention assisting, in particular under the action of mechanical pulses and/or vibrations on the plug type connector 1000, in preventing relative movement between the contact locations 8a, 8b and the counter-contact face 209 or an at least temporary detachment of the contact locations 8a, 8b from the counter-contact face 209, and therefore in avoiding contact burn-up. Figure 14 shows a detail Π from Figure 13. It can be seen that, when the plug type connector 1000 is moved from the preliminary insertion position P into the end insertion position E, the pressing face 114 has slid along the inclined ramp-like member 404a and is pressed towards the counter-contact face 209 during the same movement until it reaches the level of the pressing face 404b. The pressing face 404b is pushed so far under the pressing face 114 that it rests completely on the pressing face 404b. The pressing member 404 may be retained with spacing from the support face 304a or rest thereon. The support face 304a may also form a limit for movements of the pressing member 404 counter to the normal direction N.
Deviations from the embodiments described above are possible within the scope of the invention. A contact arrangement 100, 100' according to the invention may thus have a front end 101a, a rear end 101b, a base member 101, a receiving space 102, a closure region 103, end portions 103a, 103b, securing elements 104, shield contact elements 105 with shield contact locations 105, bending locations 110 and securing elements 113a, 113b in a form and number corresponding to the respective requirements in order to contact a counter-contact arrangement when arranged in a connector element. The contact arrangement 100, 100' may have any number of contact devices 1, 1'.
A contact device 1, 1' according to the invention may have contact arms 2 in the form of irst or front contact arms 3, second or rear contact arms 4 and connection arms 5, roots 6, contact locations 8, 8a, 8b, contact faces 9, 9a, 9b, bending locations 10, front portions 11, front members 12, rear portions 13 of a contact arm 2, 3, 4, front portions 14, central portions 15, front members 16 and rear portions 17 of a connection arm 5 and central portions 18 and transition portions 19 of a contact arm 2, 3, 4 in any number, shape and configuration in order to resiliently contact a counter-contact face substantially
transversely relative to the insertion direction S in a movable manner.
A plug type connector 1000 according to the invention may be formed in accordance with requirements on a connector element 300 and a mating connector element 400 which can be formed so as to be complementary to each other, as desired, and can comprise a contact arrangement 100, 100', 100" or counter-contact arrangement 200 according to the invention. The housing 301 of the connector element 300 may be provided with any number of contact elements 302, guides 303 and pressing member receiving members 304 having support faces 304a which can be constructed in accordance with requirements in order to cooperate with the counter-housing 401, any number of counter-contact elements 402 and support members 403, pressing members 404, inclined ramp-like members 404a and pressing faces 404b.
The contact arrangement 100, 100', 100" and the counter-contact arrangement 200 can be constructed in accordance with requirements in order to form pressing faces 114 or counter-contact faces 208 and both may be provided with any number of contact devices 1, 1 ' in order to be able to produce a stable electrical contact between the contact
arrangement 100, 100', 100" and counter-contact arrangement 200. In a projection in the insertion direction S, the contact arrangement 100, 100', 100" and the counter-contact arrangement 200 or the contours thereof may be constructed in accordance with
requirements so as to be round, rectangular or polygonal in order to ensure a positive- locking and/or non-positive-locking seat of the contact arrangement 100, 100', 100" and counter-contact arrangement 200 in the end insertion position E. In the end insertion position E, the contact arrangement 100, 100', 100" and the counter-contact arrangement 200 can overlap each other as desired in order to bring about shielding of the plug type connector 1000 which is as closed as possible.
In this document, all the directional indications and indications relating to axes are merely for the purposes of illustration and can be adapted in accordance with respective requirements for using a contact device 1, 1', a contact arrangement 100, 100', 100" or a plug type connector 1000 according to the invention.
Figure imgf000021_0001
113a Securing element
113b Counter-securing element
114 Pressing face
200 Counter-contact arrangement
209 Counter-contact face
300 Connector element
301 Housing
302 Contact elements
303 Guide
304 Pressing member face
304a Pin faces
400 Mating connector element
401 Counter-housing
402 Counter-contact elements
403 Support member
404 Pressing member
404a Inclined ramp-like member
404b Pressing face
1000 Plug type connector
A Axial direction
D Distal end
E End insertion position
F Contact force
H Vertical direction
L Longitudinal direction
L2, 3, 4 Longitudinal direction of the contact arms
L5 Longitudinal direction of the connection arm
L8 Longitudinal axis of the contact location
L100 Longitudinal axis
N Normal direction
P Preliminary insertion position
Q Transverse direction Qg Transverse axis of the contact location
R100 Radial direction
S Insertion direction
S' Counter-insertion direction

Claims

Claims
1. Contact device (1, 1') for electrically contacting a counter-contact face which can be connected to the contact device (100, 100') in an insertion direction (S), comprising at least one contact arm (2, 3, 4) having at least one contact location (8, 8') for contacting the counter-contact face, the at least one contact location (8, 8') being arranged so as to be able to be resiliently deflected transversely relative to a longitudinal direction (L2, L3, L4) of the contact arm (2, 3, 4), characterised in that the longitudinal direction (L2, L3, L4) extends substantially transversely relative to the insertion direction (S).
2. Contact device (1, 1') according to claim 1, characterised in that the contact device (1, 1') has at least one additional contact arm (2, 3, 4) having at least one contact location (8, 8') for contacting the counter-contact face, the at least one contact location (8, 8') being arranged on the at least one additional contact arm (2, 3, 4) so as to be able to be resiliently deflected transversely relative to the insertion direction (S) and the contact arm (2, 3, 4) extending substantially counter to the additional contact arm (2, 3, 4).
3. Contact device (1, 1') according to claim 2, characterised in that the contact device (1, 1') comprises a connection arm (5) which connects the at least one contact arm (2, 3, 4) to the at least one additional contact arm (2, 3, 4).
4. Contact device (1, 1') according to claim 3, characterised in that the connection arm (5) is arranged at a distal end (D) of the at least one contact arm (2, 3, 4) and the at least one additional contact arm (2, 3, 4), respectively.
5. Contact device (1, 1') according to claim 3 or claim 4, characterised in that the connection arm (5) extends substantially transversely relative to the insertion direction (S).
6. Contact device (1, 1') according to any one of claims 3 to 5, characterised in that the at least one contact arm (2, 3, 4), the at least one additional contact arm (2, 3, 4) and/or the connection arm (5) extend at least partially substantially parallel with each other in a projection transverse relative to the insertion direction (S).
7. Contact device (1, 1' ) according to any one of claims 3 to 6, characterised in that the at least one contact arm (2, 3, 4), the at least one additional contact arm (2, 3, 4) and/or the connection arm (5) extend individually or together at least partially from their root in and counter to the insertion direction (S).
8. Contact device (1,1' ) according to any one of claims 3 to 7, characterised in that the at least one contact arm (2, 3, 4), the at least one additional contact arm (2, 3, 4) and/or the connection arm (5) individually or together at least partially form an S-shape.
9. Contact device (1,1' ) according to any one of claims 1 to 8, characterised in that the contact device (1, 1*) has a meandering path in a projection transverse relative to the insertion direction (S).
10. Contact device (1,1' ) according to any one of claims 1 to 9, characterised in that the at least one contact location (8, 8') protrudes from the contact device (1,1' ) in a normal direction (N) of the contact device (1,1' ) and is inclined counter to the insertion direction (S).
11. Contact device (1,1' ) according to any one of claims 1 to 10, characterised in that the contact device (1, 1') is formed in one piece from sheet metal material.
12. Contact arrangement (100) for electrically contacting a counter-contact arrangement which can be connected to the contact arrangement (100, 100') in an insertion direction (S), characterised in that the contact arrangement (100, 100') comprises at least one contact device (1,1' ) according to any one of claims 1 to 11.
13. Contact arrangement (100) according to claim 12, characterised in that at least two contact devices (1, 1') are arranged opposite each other with respect to a longitudinal axis (L100) of the contact arrangement (100) extending parallel with the insertion direction (S).
14. Electrical plug type connector (1000) having a connector element (300) and a mating connector element (400) which can be connected thereto in an insertion direction (S), the connector element (300) and/or the mating connector element (400) comprising at least one contact arrangement (100, 100', 100") according to claim 12 or claim 13, which overlaps a counter-contact arrangement (200) of the connector element (300) or mating connector element (400) transversely relative to the insertion direction at least in an end insertion position (E) of the plug type connector (1000), at least one contact location (8, 8') of the contact arrangement (100, 100', 100") contacting at least one counter-contact face (209) of the counter-contact arrangement (200) in an electrically conductive manner in the region of the overlap.
15. Electrical plug type connector (1000) according to claim 14, characterised in that at least in the end insertion position (E) a pressing member (404) of the connector element (300) and/or the mating connector element (400) acts transversely relative to the insertion direction (S) on the contact arrangement (100, 100', 100") and/or the counter-contact arrangement (200), the at least one contact location (8, 8') being pressed against the at least one counter-contact face (209).
PCT/EP2013/057934 2012-04-16 2013-04-16 Resilient contact device, contact arrangement and plug type connector WO2013156490A1 (en)

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