WO2009131831A1 - Agencement formant contact, unité et procédé - Google Patents

Agencement formant contact, unité et procédé Download PDF

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Publication number
WO2009131831A1
WO2009131831A1 PCT/US2009/039741 US2009039741W WO2009131831A1 WO 2009131831 A1 WO2009131831 A1 WO 2009131831A1 US 2009039741 W US2009039741 W US 2009039741W WO 2009131831 A1 WO2009131831 A1 WO 2009131831A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
nut
section
holding
connecting part
Prior art date
Application number
PCT/US2009/039741
Other languages
English (en)
Inventor
Jochen Hain
Reinhold Opper
Original Assignee
Newfrey Llc
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 Newfrey Llc filed Critical Newfrey Llc
Priority to EP09735651.3A priority Critical patent/EP2269273B1/fr
Publication of WO2009131831A1 publication Critical patent/WO2009131831A1/fr
Priority to US12/909,366 priority patent/US7946895B2/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to a contact-making arrangement and to a preas- sembied contact-making unit of a contact-making arrangement such as this, which has a nut and a holding unit.
  • the present invention also relates to a nut for a contact-making arrangement such as this, and to a method for forming an electrical contact between at least one connecting part such as a cable lug and a contact substrate such as a workpiece.
  • the present invention relates to the field of so-called earth contacts, such as those which are used widely in particular in motor vehicle engineering.
  • earth contacts such as those which are used widely in particular in motor vehicle engineering.
  • a bolt or a nut is welded to a metal sheet of the vehicle bodywork, so that the bolt or the nut is electrically conductively connected to the metal sheet.
  • a connecting part such as a cable lug is then electrically connected to the boSt or to the nut, by screwing a nut onto the bolt or by screwing a screw into the nut.
  • German patent application 10 2006 056065.5 forms prior art in accordance with ⁇ 3 (2) of the German Patent Act.
  • the bolt with the blind hole has a first threaded section in the blind hole, which first threaded section is covered by a covering part and in particular a plug, which is relatively short and is inserted into the blind hold from above.
  • a cable lug is pushed onto a screw with a second threaded section, and the screw is screwed into the blind hole.
  • the plug is forced downwards to the base of the blind hole, At least one threaded section of the two threaded sections may be in the form of a self-tapping threaded section.
  • further latching means may be provided in order to prevent the screw from falling out of the hoiding part, in one particular embodiment, in the case of a holding part, apart from radial holes for cable lugs to be inserted into it from the side, provision is also made for a further cable lug to be forced into the holding device from underneath in the axial direction onto the preassembled attachment arrangement, comprising the holding part, the screw and the at least one cable lug.
  • This particular embodiment can be used as follows.
  • the preassembled attachment arrangement described above can be fitted in advance to a cable harness.
  • one or more cable lugs can be inserted into the holding unit from the side thereof and the screw can then be passed through in order to hold both the screw and the cable Sugs captive on the holding unit.
  • one or more further cable lugs can then be inserted into the holding part from underneath, that is to say in the longitudina! direction, retrospectively in situ, and can be pushed onto the screw before the screw is screwed into a bolt with a blind hole as described above (earth boit).
  • German patent application 10 2007 057 082.3 likewise forms prior art in accordance with ⁇ 3 (2) of the German Patent Act.
  • This application discloses a preassembfed contact-making unit having a screw which has a head and a shank, and having a holding unit, with the holding unit having a connecting part holding section into which at least one connecting part can be inserted, and has a screw holding section into which the screw is inserted Sn the longitudinal direction, such that the screw is held captive in the longitudinal direction, but can rotate, and in which case a connecting part which is inserted into the connecting part holding section can make electrical contact with the inserted screw, with a radially projecting contact section being formed on the head and with the screw holding section having a shoulder section by means of which the contact section ⁇ s supported axially on the holding unit.
  • the object of the invention is to specify an improved system for provision of an earth connection, as well as arrangements and methods which can be used for this purpose.
  • a contact-making arrangement for establishing an electrical contact having a nut which has an internally threaded section, and having a holding part for holding captive the nut and at least one connecting part such as a cable lug, with the nut having a collar section which projects radially beyond a base body of the nut, with the holding part having a holding section for the nut, into which the nut can be inserted in a first axial direction, and with the holding part having first latching means which are designed to engage behind the collar section of a nut which has been inserted into the nut holding section.
  • the above object is achieved by a preassembled contact-making unit having a nut and a holding part of a contact-making arrangement such as this, and by a nut for a contact-making arrangement such as this. Furthermore, the above object is achieved by a method for forming an electrical contact between at least one connecting part such as a cable lug and a bolt, which has a shank with an external thread and is connected to a contact substrate such as a metai sheet, having the following steps:
  • a preassembled contact-making unit which has a holding part on which a nut and the at least one connecting part are held captive, in particular a preassembied contact-making unit of the abovementioned type, into which the connecting part is additionally inserted;
  • the measures according to the invention make it possible to prefabricate a contact-making unit in which the nut is held captive on the holding part.
  • a connecting part such as a cable lug (or a plurality of such connecting parts) can then be inserted into the holding part at the location where the cable harness is being fabricated.
  • the cable harness that is being prefabricated in this way can then be tested in advance relatively easily, before the cable harness is fitted at a final assembly point.
  • the nut and the connecting part or parts are held captive on the holding part and in consequence on the cable harness.
  • the threaded sections of the nut and bolt may be conventional threads such as metric threads.
  • a threaded section may be in the form of a self- tapping threaded section, in which case the other component (for example the bolt) has a threaded section which can be tapped and has a smooth surface before the nut is screwed on.
  • the holding part can also be designed to engage with the bolt in such a manner as to provide protection against rotation.
  • a screwdriver such that it grips radially projecting sections of the connecting parts, and in this way provides protection against rotation during screwing- on.
  • a protective cap can be fitted to the boSt before the nut is screwed on and prevents a threaded section of the bolt from being painted in a time period between the bolt being joined to the contact substrate (for example a metal sheet) and final assembly of the cable harness (which could reduce the contact-making capability),
  • a cap such as this (which, for example, may be in the form of a nut), particularly when one of the threaded sections of the nut or bolt is in the form of a threaded section which can be tapped.
  • a metallic and in consequence electrically conductive contact between the nut and the bolt can also be provided by the tapping thread engagement, even when the bolt has already been painted.
  • process monitoring can also be carried out, by monitoring a torque that is applied whi!e the nut is being screwed on in order in this way to find out whether the correct number of connecting sections have been inserted between the nut and the bolt for a respective electrical contact.
  • the holding part to have a connecting part holding section with an annular body, from which at least two longitudinal webs extend in the axial direction, and define radial openings between them.
  • the radial openings can be used for line sections of the connecting parts to pass through.
  • the connecting part holding section it is particularly advantageous for the connecting part holding section to have second latching means in order to hold captive a connecting part which has been inserted into the connecting part holding section. It is particularly advantageous for the second latching means to be formed on at least one of the longitudinal webs.
  • the second latching means may have a latching web which extends radially inwards from a longitudinal web.
  • the connecting part can in general simply be clipped into the holding part, and it is then held captive therein.
  • the annular body has at least one axial slot which extends from an axial end into the annular body, which is opposite to an axiai end from which the longitudinal webs extend.
  • the holding part has a connecting part holding section which is formed separately from the nut holding section.
  • This embodiment makes it possible to insert connecting parts into the holding part independently of whether a nut has or has not already been inserted into it.
  • This embodiment makes it possible, in particular, to provide a preassembled contact-making unit in which a nut has already been inserted into the holding part and in which connecting parts can subsequently be inserted into the holding part.
  • connecting part holding section and the nut holding section are separated from one another by a shoulder section which acts as a stop for the nut and/or the connecting part.
  • the different holding sections are separated from one another in the axial direction, with the shoulder section acting as a stop to hold the nut and/or the connecting part in a latching form.
  • the nut it is also advantageous for the nut to have an abutment section which rests circumferentialfy on a radial inner surface of the shoulder section.
  • a preassembted contact-making unit comprising a nut and a holding part can be designed to be particularly robust so that, even when external forces act on it, this ensures that the nut does not become loose from the holding part.
  • the nut it is also advantageous for the nut to have a centring section which extends axially into a connecting part holding section.
  • this embodiment makes it easier to screw the nut onto the bolt since there is no need for the connecting parts to be pushed onto the bolt, which is comparatively tedious.
  • centring section is formed integrally with the base body of the nut
  • the axial length of the centring section is preferably matched to the number of connecting parts to be connected to the electrical contact.
  • the centring section is formed by a centring element which is separate from the nut and is mounted on the nut such that it can move axially.
  • the centring element can, for example, be pressed into an opening in the nut such that the centring element is held captive, but can move axially with respect to the nut when screwed onto the bolt.
  • the centring element may be designed for different numbers of connecting parts. If less than the maximum number of connecting parts are inserted before the nut is screwed on, the centring element is pressed in an appropriate form while the nut is being screwed on, thus making it possible to produce a secure electrical contact.
  • the centring element may preferably be in the form of a s ⁇ eeve element which is inserted into a hole in the nut such that it can move axiaily therein.
  • a sieeve element such as this may be designed for its external circumference to act as a centring means for the central opening of a connecting part.
  • the internal circumference of the connecting part can be designed to surround the boSt.
  • centring section being designed to be inserted into openings in the connecting parts in order to produce the centring effect
  • centring section it is also possible to design the centring section such that it acts on the external circumference of the connecting parts (or of the connecting part).
  • the holding part it is advantageous for the holding part to have an annular body at whose internal circumference the first latching means extend, which serve to hold the nut on the holding part in a latching form.
  • the nut holding section is also forming a connecting part holding section
  • the first and the second latching means may be formed by one and the same latching means.
  • the holding part prefferably has a base section with an axial opening, with the connecting part and the collar section of the nut being held captive between the base section and the latching means.
  • the invention makes it possible to achieve at least one of the abovementioned advantages.
  • the preassembled contact-making unit comprises the holding part and the nut, this makes it possible to reduce the amount of work required both for fabrication of the cable harness and for final assembly.
  • this makes it possible at least to reduce the amount of work required for final assembly of the cable harness.
  • connecting parts can also be inserted retrospectively, this once again makes it possible to simplify final assembly.
  • the position and the correct quantities of connecting parts on the holding part can be checked in advance. This allows electrical prior testing of the cable harness.
  • Figure 1 shows a perspective illustration of a first embodiment of a contact- making arrangement according to the invention
  • Figure 2 shows a perspective illustration of the holding part of the contact-making arrangement shown in Figure 1;
  • Figure 3 shows a longitudinal section viewed through an electrical contact which has been made by means of a contact-making arrangement according to the invention, as shown in Figure 1 ;
  • Figure 4 shows a nut of a contact-making arrangement according to the invention, in the form of a longitudinal section with a modified centring section;
  • Figure 5 shows an electrical contact shortly before completion, to be precise using a nut as shown in Figure 4;
  • Figure 6 shows the electrical contact shown in Figure 5, after completion
  • Figure 7 shows a perspective view of an a ⁇ ternative embodiment of a holding part for a contact-making arrangement according to the invention.
  • Figure 8 shows a longitudinal section viewed through an electrical contact using a contact-making arrangement with a holding part as shown in Figure 7.
  • a first embodiment of a contact-making arrangement according to the invention is generally annotated 10.
  • the contact-making arrangement 10 has a nut 12 and a holding part 14, which form a preassembled contact-making unit 56.
  • the nut 12 is held captive on the holding part 14.
  • the contact-making arrangement 10 contains one or more connecting parts 16, in the present case two connecting parts 16a, 16b.
  • the connecting parts 16 are each in the form of cable lugs.
  • the contact-making arrangement 10 is used to make an electrical contact between the cable lugs 16 and a contact substrate or workpiece that is not illustrated, such as a metal sheet to which a bolt is joined.
  • the contact-making unit 56 comprising the nut 12 and the holding part 14 is designed for the connecting parts 16 first of all also to be inserted into the holding part 14 and then for the contact-making arrangement 10 which has been completed in this way to be screwed to the bolt. This results in an electrical contact being made between the connecting parts and the bolt and/or the contact substrate via the nut 12.
  • the holding part 14 has a nut holding section 20 into which the nut 12 can be inserted such that it is held captive, to be precise in a first axial direction 22. Furthermore, the holding part 14 has a connecting part holding section 24 into which the at least one connecting part 16 can be inserted, to be precise in a second axial direction 26, which is opposite the first axial direction.
  • the nut 12 and the holding part 14 form the preassembled contact-making unit 56 once the nut 12 has been inserted into the nut holding section 20 in the first axial direction 22.
  • One or more connecting parts 16 can then be inserted into the connecting part holding section 24 from the opposite direction 26. This can be done by the cable fabricator, and results in the contact-making arrangement 10 becoming an integral component of a cable harness.
  • one or more connecting parts 16 can be inserted there into the connecting part holding section 24 before the nut 12 is screwed to the bolt, which is not illustrated, in order to make the electrical contact.
  • the nut 12 has a generally cylindrical base body 30 which is formed with an internally threaded section, that is not iilustrated in Figure 1. Furthermore, the nut 12 has a collar section 32 which projects like a ring with respect to the base body 30 in the radial direction. The collar section 32 is held in the nut holding section 20 in a iatched manner.
  • the base body 30 extends from the holding part 14 in the axial direction.
  • a tool attachment section 34 in the form of a hexagonal section is formed in an upper area of the base body 30, which extends outside the holding part 14.
  • the nut has a closure cap 36 which may be in the form of a separate component and covers the internally threaded section, which is not illustrated. In the present case, however, the closure cap 36 is formed integrally with the base body 30.
  • the nut 12 contains a centring section 38 which is arranged underneath the collar section 32, that is to say axialiy opposite the tool attachment section 34.
  • the centring section 38 extends into the connecting part holding section 24, such that the connecting parts can be centred axialiy in the connecting part holding section 24 by means of the centring section 38.
  • the connecting parts 16 each have a contact section 60 which is in the form of an eye with a central contact opening 62. Furthermore, a line section 64 in each case extends from the contact section 60 and can be connected to an electrical line or the like.
  • the holding part 14 is shown more accurately in Figure 2. It contains an annular body 40 with a central axial opening 42.
  • a shoulder section 44 is formed on the internal circumference of the annular body 40 and extends inwards in the radial direction into the axial opening 42, that is to say it projects from the internal circumference of the annular body 40.
  • the shoulder section 44 is formed by a plurality of projections, which project from the internal circumference of the annular body 40.
  • the shoulder section 44 is designed such that the collar section 32 of the nut 12 can be supported in the axial direction on an upper face of the shoulder section 44. In consequence, this area of the shoulder section 44 forms a part of the nut holding section 20.
  • a plurality of latching tabs 46 are formed on the interna!
  • the latching tabs are formed on the internal circumference of the annular body 40 in the immediate vicinity of an upper face of the annular body 40 » that is to say of an upper face of the holding part 14.
  • the latching tabs 46 are separated from the upper face of the shoulder section 44 by a distance which corresponds to the axial depth of the colSar section 32.
  • one or more axial slots 48 is or are provided on the base body 30, allowing or making it easier to widen the annular body 40 radially.
  • the connecting part holding section 24 of the holding part 14 contains two or more (four in the illustrated case) longitudinal webs 50, which extend from a lower face of the annular body 40 in the axial direction. Radial openings 52 are formed between the longitudinal webs 50. In this case, the radial openings 52 are used to pass one or more of the line sections 64 out of the connecting part holding section 24 in the radial direction.
  • a latching web 54 projects from each inner face of the longitudinal webs 50.
  • the latching webs 54 form second latching means.
  • the latching webs 54 extend obliquely inwards from an outer end of the longitudinal webs 50, such that the contact sections 60 of the connecting parts 16 can be pushed into the connecting part holding section 24 in the second axial direction 26.
  • the latching webs 54 are deformed radially outwards, until they snap back and engage radially behind the contact section 60. This allows one or more connecting parts 16 to be held captive in the connecting part holding section 24.
  • Figure 3 shows an electrical contact, which has been completed by means of the contact-making arrangement 10, in the form of an earth contact 70.
  • a bolt (or stud) 74 is joined to an electrical contact substrate or earth substrate 72 in the form, for example, of a metal sheet, such as a bodywork metal sheet, to be precise in such a manner that it is rigidly connected to the contact substrate 72 and projects at right angles from it.
  • the bolt 74 may be connected to the contact substrate 72 during the course of so-called stud welding.
  • the boit 74 has an attachment section 76, at which the bolt 74 is connected to the contact substrate 72, for example in the form of a solidified weld melt.
  • the bolt 74 also has a flanged section 78 which is a distance from a surface of the contact substrate 72, with its external circumference being in the form, for example, of a polygonal section (for example an octagonal or hexagonal section). Furthermore, the bolt 74 has a shank section 80 which extends above the flanged section 78 and has an externally threaded section 82.
  • Figure 3 also shows the internally threaded section 84 of the nut 12, into which the externally threaded section 82 of the bolt 74 is screwed.
  • the nut 12 has an abutment section 86 axialiy underneath the collar section 32, the external circumference of which abutment section 86 is matched to the interna! circumference of the shoulder section 44.
  • the abutment section 86 rests flush on the shoulder section 44 and ensures that the preassembied contact-making unit 56 is aligned axialiy, that is to say the nut 12 is fixed axialiy rigidly with respect to the holding part 14.
  • the nut 12 has a radially aligned contact section 87 on which a connecting part 16 rests, as the first item that has been inserted into the connecting part holding section 24, to be precise with its contact section 60 resting there.
  • the contact section 87 merges into the centring section 38, which extends in the form of a s ⁇ eeve around the bolt 74 in the axial direction, and passes through the contact openings 62 in the connecting parts 16.
  • four connecting parts 16a-d are held in the connecting part holding section 24, with the uppermost connecting part 16a resting on the contact section 87.
  • the lowermost connecting part 16d rests on an upper face of the flanged section 78.
  • the centring section 38 is formed integrally with the base body 30 of the nut 12, and its axial length is matched to the number of connecting parts 16 with which contact is to be made. To be more precise, the axial length of the centring section 38 is somewhat less than the sum of the axial thicknesses of the contact sections 60 of the connecting parts 16a-d which are part of the earth contact 70. This ensures that the connecting parts 16a-d can be compressed between the upper face of the flanged section 78 and the contact section 87, to be precise as a result of the thread engagement of the threaded sections 82, 84.
  • annular depression 89 on the upper face of the flanged section 78, as illustrated by dashed lines in Figure 3.
  • a variable number of connecting parts 16 can be used to form the earth contact 70, since the centring section 38 can enter the annular depression 89 when fewer than the maximum number of connecting parts 16 are fitted.
  • an electrical contact can be established directly between the connecting parts 16 and the contact substrate 72 by the connecting parts 16 touching one another and touching the upper face of the flanged section 78.
  • the bolt 74 is in this case designed in precisely the same way as the contact sections 60 from an electrically conductive material such as metal, thus making it possible to form an electrical connection to the contact substrate 72 (which in general is likewise produced from an electrically conductive material).
  • the flanged section 78 will, however, have been painted before the contact-making arrangement 10 is screwed to the bolt 74.
  • a protective cap that is not illustrated, for example in the form of a plastic nut, to have been screwed onto the bolt 74, which is removed before the nut 12 is screwed on.
  • the electrical contact with the contact substrate 72 can be made via the contact section 87 and the threaded engagement between the threaded sections 82, 84 and via the bolt 74.
  • one of the threaded sections 82, 84 may be in the form of a self-tapping threaded section.
  • the other threaded section is in this case in the form of a tappable threaded section, in this case, it is not absolutely essential to fit a plastic cap for protection of the externally threaded section 82 before the bolt 74 is painted together with the contact substrate 72. This is because an electrical contact can be made by virtue of the tapping threaded engagement even when the externally threaded section 82 (which may be in the form of a tappable or a tapping threaded section) is painted before the nut 12 is screwed on.
  • Rotation protection such as this may comprise, for example, a fixed mouth piece being provided on a screwdriving tool which is acting on the tool attachment section 84, provided with U-shaped recesses. These clasp the line sections 64 of connecting parts 16 and in consequence prevent these connecting parts from rotating during the screwing-on process.
  • Figure 4 shows an alternative embodiment of a nut 12 which has a centring section 38 in the form of a separate sleeve element 90, which is pressed into a hole 92 in the base body 30 of the nut 12.
  • the sleeve element 90 is in this case pushed axially into the hole 92 when the nut 12 is screwed onto the bolt 74.
  • the sleeve element 90 is moved into the hole 92 while the nut 12 is being screwed, until the connecting part or the connecting parts 16 is or are pressed between the contact section 87 and the upper face of the flanged section 78.
  • Figure 5 shows the contact-making arrangement 10 holding only two connecting parts 16a, 16b, even though three or four connecting parts 16 could be held in the contact-making arrangement 10
  • Figure 5 shows a state in which the nut 12 has been screwed on until the lower face of the sleeve element 90 abuts against the upper face of the flanged section 78. The nut 12 is then screwed even further onto the bolt 74, with the sleeve element 90 being forced into the hole 92, until the state shown in Figure 6 is reached, in which the contact section 87 presses the connecting parts 16 onto the upper face of the flanged section 78.
  • Figure 4 also shows that the nut 12 need not necessarily be formed with a closure cap 36, but the internally threaded section 84 may be formed passing axially through the nut 12. The axial opening formed in this way is shown at 94.
  • Figures 7 and 8 show a further embodiment of a contact-making arrangement 10, with Figure 7 showing the holding part 14 which is used for this purpose.
  • the holding part 14 has an annular body 40 which forms a base section 98 with an axial opening 42.
  • a plurality of longitudinal webs 50 project from an upper face of the annular body 40.
  • Latching tongues 46, 54 are formed on each of the inner faces of the longitudinal webs 50.
  • the latching tongues 46, 54 form first and second latching means.
  • An upper face of the base section 98 forms an abutment surface 102.
  • a single holding section is formed between the longitudinal webs 50 and contains the nut holding section 20 and the connecting part holding section 24.
  • the contact sections 60 of the connecting parts 16 are first of ail dipped into the holding section 20, 24 until the latching tongues 46, 54 engage behind the upper faces. Finally, as is shown in Figure 8, the nut 12 is inserted into the same holding section 20, 24 until one end of the latching tongues 46, 54 engages behind the collar section 32 of the nut, as is illustrated in Figure 8,
  • the nut of the contact-making arrangement 10 shown in Figure 8 has no centring section underneath the contact section 87, but may be formed with one.
  • the base body 30 of the nut 12 is formed with an abutment section 86 which is provided above the collar section 32, in the axiai direction.
  • the latching tongues 46, 54 rest radially on the abutment section 86, as is shown in Figure 8.
  • the internal circumference of the annular body 40 may be formed with radia! projections whose internal circumference forms a non-circular profile which is matched to the external circumference of the non-circular circumference of the flanged section 78.
  • the interna! circumference of the annular body 40 and/or the internal circumference of the shoulder section 44 can form rotation protection.
  • a plurality of latching tongues 100 are formed at a lower end of the internal circumference of the annular body 40 and are designed to engage behind a lower face of the flanged section 78 of the bolt 74.
  • one of the threaded sections 82, 84 may be in the form of a self-tapping threaded section (and the other as a tappable threaded section).
  • One or more features of the contact-making arrangement shown in Figures 7 and 8 may also be provided analogously for the contact-making arrangement shown in Figures 1 to 6.

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Abstract

L'invention porte sur un agencement formant contact (10) pour établir un contact électrique, ayant un écrou (12) qui a une section taraudée (84) et qui a une partie de maintien (14) pour maintenir captif l'écrou (12) et au moins une partie de connexion (16) telle qu'un serre-câble, avec l'écrou (12) ayant une section de collier (32) qui se projette radialement au-delà d'un corps de base (30) de l'écrou (12), avec la partie de maintien (14) ayant une section de maintien (20) pour l'écrou (12), dans laquelle l'écrou (12) peut être introduit dans une première direction axiale (22), et avec la partie de maintien (14) ayant des premiers moyens de verrouillage (46) qui sont mis au point pour s'engager derrière la section de collier (32) d'un écrou (12) qui a été introduit à l'intérieur de la section de maintien d'écrou (20).
PCT/US2009/039741 2008-04-21 2009-04-07 Agencement formant contact, unité et procédé WO2009131831A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09735651.3A EP2269273B1 (fr) 2008-04-21 2009-04-07 Agencement formant contact, unité et procédé
US12/909,366 US7946895B2 (en) 2008-04-21 2010-10-21 Internally threaded nut with a collar held captive in a nut holding section

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810021303 DE102008021303A1 (de) 2008-04-21 2008-04-21 Kontaktieranordnung, vormontierte Kontaktiereinheit und Verfahren zum Bilden eines elektrischen Kontaktes
DE102008021303.9 2008-04-21

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US12/909,366 Continuation US7946895B2 (en) 2008-04-21 2010-10-21 Internally threaded nut with a collar held captive in a nut holding section

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WO2009131831A1 true WO2009131831A1 (fr) 2009-10-29

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DE102013005092B4 (de) 2013-03-23 2020-10-01 Audi Ag Verbindersystem zum mechanischen Verbinden und elektrischen Kontaktieren von zwei elektrisch leitfähigen Komponenten
DE102015004371A1 (de) 2015-04-02 2015-12-03 Daimler Ag Schraubanordnung
DE202015004891U1 (de) * 2015-07-07 2016-10-13 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Masseanbindungseinrichtung für ein Kraftfahrzeug
US11735837B2 (en) * 2019-10-17 2023-08-22 Production Spring, LLC Electrical ground strap assemblies providing increased point of contact between a terminal and a bolt
DE102019216998A1 (de) * 2019-11-05 2021-05-06 Volkswagen Aktiengesellschaft Verbindungsanordnung mit Rastscheibe
CN112531602A (zh) * 2020-11-03 2021-03-19 精进电动科技股份有限公司 一种线束端子与接线座的连接结构和连接方法

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FR2852452A1 (fr) 2003-03-13 2004-09-17 Framatome Connectors Int Systeme de raccordement electrique et de fixation d'au moins un conducteur sur une piece de support
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DE102010031086A1 (de) 2010-07-08 2012-01-12 Airbus Operations Gmbh Verteiler, Verteileranordnung sowie Luft- oder Raumfahrzeug
WO2012004266A1 (fr) 2010-07-08 2012-01-12 Airbus Operations Gmbh Distributeur, agencement de distributeur et aéronef ou astronef

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EP2269273A1 (fr) 2011-01-05
EP2269273A4 (fr) 2012-06-06
EP2269273B1 (fr) 2016-07-20
DE102008021303A1 (de) 2009-10-22

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