EP3396794B1 - Dispositif et procédé destinés à équiper des boîtiers de connecteur dotés de membranes d'étanchéité - Google Patents

Dispositif et procédé destinés à équiper des boîtiers de connecteur dotés de membranes d'étanchéité Download PDF

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Publication number
EP3396794B1
EP3396794B1 EP17168587.8A EP17168587A EP3396794B1 EP 3396794 B1 EP3396794 B1 EP 3396794B1 EP 17168587 A EP17168587 A EP 17168587A EP 3396794 B1 EP3396794 B1 EP 3396794B1
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EP
European Patent Office
Prior art keywords
cable
tip
insertion lug
gripper
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17168587.8A
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German (de)
English (en)
Other versions
EP3396794A1 (fr
Inventor
Jean-Luc FELICES
Beat Estermann
Markus Kiser
Simon Hugener
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komax Holding AG
Original Assignee
Komax Holding AG
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 Komax Holding AG filed Critical Komax Holding AG
Priority to EP17168587.8A priority Critical patent/EP3396794B1/fr
Priority to US15/954,721 priority patent/US10446998B2/en
Priority to JP2018086205A priority patent/JP7051562B2/ja
Priority to CN201810393706.7A priority patent/CN108808405B/zh
Publication of EP3396794A1 publication Critical patent/EP3396794A1/fr
Application granted granted Critical
Publication of EP3396794B1 publication Critical patent/EP3396794B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/22—Hand tools
    • 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
    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings

Definitions

  • the invention relates to a device for equipping connector housings provided with sealing mats with assembled cable ends of cables according to the preamble of claim 1. Furthermore, the invention relates to a method for equipping such connector housings.
  • the assembly takes place by means of an assembly unit with which the cable ends can be inserted into cells of the connector housing to be assembled.
  • Such assembly devices are often connected downstream of assembly systems.
  • the assembly device could, however, also be part of a packaging system.
  • a manufacturing system can include, for example, a stripping station for cutting and stripping the electrical cables, crimping stations for applying crimp contacts to the stripped cable ends and, if necessary, sleeve stations.
  • contacts in the form of pins or sleeves are used instead of crimp contacts, which are brought to the stripped cable ends with appropriate processing stations.
  • Sealing mats are used to seal connector housings against dust, moisture or water and are used, for example, in the aircraft industry.
  • Mil-C-26500 connector which has connector housings provided with sealing mats.
  • a connector housing provided with sealing mats for creating electrical connector connections is then for example in the GB 1371 916 A shown and described.
  • a hand tool for equipping a connector housing provided with a sealing mat with prefabricated cable ends has also become known.
  • the cable ends have contacts designed as pins, which are inserted into the hand tool together with the cable and then pushed into the sealing mat through cable passage openings by means of the hand tool. The contact is locked in the connector housing via a collar arranged on the pin, whereupon the hand tool can be pulled out again.
  • U.S. 3,789,484 shows a hand tool for inserting and removing assembled cable ends in electrical connections provided with sealing mats.
  • the hand tool includes a cylindrical insertion nose.
  • EP 848 462 A2 Another hand tool for equipping connector housings provided with sealing mats with assembled cable ends is shown EP 848 462 A2 . Then it's over GB 1 058 900 A a hand tool for equipping connector housings with prefabricated cable ends has become known, although the connector housing is not provided with sealing mats.
  • connector housings with a large number of cells and small cell spacings can be equipped with pre-assembled cable ends in an automated assembly process.
  • the EP 2 317 613 A1 shows a fitting device with a cable gripper having two clamping jaws. To equip connector housings with sealing mats, the cable gripper grips the cable close to the contact and pushes the cable into the sealing mat in several steps, the cable gripper being moved back a small distance each time and then gripping the cable further back. In practice it has been shown that this "follow-up process" is unsuitable for certain types of cable. This is particularly true when using thin cables, which are difficult to handle because they can kink when they are fitted.
  • the generically comparable equipping device has an equipping unit with a cable gripper on which an insertion nose is arranged.
  • the cable gripper with the insertion nose is constructed in two parts and can be opened in two halves by means of a swivel movement. In the closed position, the cable gripper engages around the cable end with the contact designed as a plug pin. The cable end held in this way is now inserted into the connector housing, the insertion nose being guided through the cable passage opening of the sealing mat.
  • the assembly unit is not very suitable for processing cables with different cable diameters.
  • the FR 2 450 511 A1 shows a tool for inserting or removing a connector pin in or from a connector housing.
  • the tool is made elastic by means of a slot, so that when inserting or removing the plug pin, the tip of the tool is pressed inwards when moving along a receiving channel of the plug housing and engages around the plug pin like a claw.
  • the cable gripper with the insertion nose should be able to be inserted easily and in an optimized manner into sealing mats.
  • the sealing mat should not be excessively stressed during the assembly process will. After completion of the assembly process, the sealing performance of the finished connector housing should meet high requirements even when using thin cables.
  • the device for equipping connector housings provided with sealing mats with prefabricated cable ends of cables comprises an equipping unit with which the cable ends can be inserted into cells of the connector housing, for example.
  • the sealing mats of the connector housing have one or more cable passage openings, in each of which a cable can be received in a sealing manner.
  • the fitting unit comprises a cable gripper with an insertion nose extending along a longitudinal axis for guiding and temporarily picking up the respective cable.
  • the cable axis corresponds to the aforementioned longitudinal axis at least in the region of the cable end.
  • the insertion nose is designed in such a way that it can be guided through one of the cable passage openings during the fitting process.
  • the insertion nose has a widened tip, the sealing mat is treated gently when it is loaded. Undesired damage to the sealing mat, which would have a negative effect on the sealing performance, is practically excluded. Due to the widening in the area of the front end of the insertion nose which first penetrates into the cable passage opening of the sealing mat during the assembly process, the insertion nose can be easily inserted into and out of the sealing mat with surprisingly little effort. Another advantage is that with this arrangement different cables can be processed with the same assembly cable gripper.
  • the widening of the tip is to be understood geometrically and only relates to the shape of the elongated insertion nose.
  • the insertion nose has a shaft that connects to the tip. The radial dimensions of the shaft are reduced compared to the tip; the shaft, which is elongated and has a sleeve-like configuration, is consequently made thinner than the tip.
  • the insertion nose with the widened tip can be produced in different ways. To the For example, the insertion nose can be produced from a metal (for example steel) by casting, forming or machining processes. The insertion nose with the widened tip could, however, also consist of plastic and be produced in an injection molding process.
  • the tip can have a preferably conically tapering front area for forming a front closure of the insertion nose.
  • the front area ensures efficient penetration of the tip into the cable passage opening of the sealing mat.
  • the tip can have a tapering front area with a convex or concave shape.
  • the tip has a front area that tapers conically by an angle of inclination with respect to a longitudinal axis of the cable gripper, in which the angle of inclination is between 40 ° and 80 °, preferably between 50 ° and 70 ° and particularly preferably approx. 60 ° ° is.
  • the cable passage opening can be easily and effectively spread open with such a tip geometry.
  • the obtuse-angled front area enables not only optimal penetration but also a compact or short tip design.
  • the conical axis of the conically tapering front area does not necessarily have to coincide with the longitudinal axis of the cable gripper.
  • the cone axes of the front areas are spaced apart from the longitudinal axis of the cable gripper.
  • the insertion nose is constructed in two parts, for example, and consists of two preferably shell-shaped insertion nose halves
  • the conically tapering front area can be composed of two cone halves, one cone half being assigned to each insertion nose half.
  • the two cone halves can each have a cone axis, the respective cone axes running parallel to the longitudinal axis.
  • the conical shape of the front area can therefore also be composed of two or, if necessary, several segments.
  • the tip would be a front region segment (cone half) tapering at an angle of inclination with respect to the corresponding cone axis running parallel to the longitudinal axis.
  • the mentioned angle of inclination is in each case between 40 ° and 80 °, preferably in each case between 50 ° and 70 ° and particularly preferably in each case is approximately 60 °
  • the outer contour of the cable gripper in relation to the longitudinal axis can be composed of the front area already mentioned, a central area and a tapering end area.
  • the central area can be designed, for example, cylindrical. If the insertion nose is constructed in two parts and consists, for example, of two preferably shell-shaped insertion nose halves, the central area can have two cylinder surfaces. Each of these two mid-range cylinders can have different cylinder axes. In this case, the cylinder axes do not run coaxially, but axially parallel to the longitudinal axis.
  • the cylindrical shape of the central area can therefore also be composed of two or, if appropriate, several segments. If the front area is configured conically, the respective cone axes and cylinder axes for each insertion nose half are preferably configured coaxially.
  • the front area and the end area can have a smaller circular cross-section than the central area, the change in cross-section in the front area and the end area being able to take place continuously or in steps.
  • the tip In addition to designing the tip with three areas that are delimited from one another, other shapes of the outer contour of the tip are also conceivable. For example, the tip could be designed spherically.
  • the insertion nose consists of a shaft and a tip that is widened in relation to the shaft.
  • the shaft is an elongated, preferably sleeve-like element which extends in the longitudinal axis and which is thinner compared to the tip.
  • the transition between the tip and the shaft can be formed, for example, by the end area described above.
  • the shaft particularly advantageously has a cylindrical outside.
  • This outside can be a cylindrical, smooth surface. But it is also conceivable to provide the outside with a profile (for example in the form of longitudinal ribs).
  • the longitudinal extension of the tip of the insertion nose can be short and be a maximum of 5 mm and preferably about 1 mm.
  • the length of the tip can be at least seven times smaller than the length of the shaft.
  • the cable gripper can have two clamping jaws which can be moved towards one another to hold the cable in place by clamping.
  • the insertion nose preferably consists of two insertion nose halves.
  • the insertion nose halves are preferably designed in the shape of a shell.
  • Each insertion nose half has or forms a tip half and a shaft half. In each case one insertion nose half can be molded onto a respective clamping jaw or connected to it in some other way.
  • Each clamping jaw is thus assigned one half of the tip and one half of the shaft.
  • the assembly of the two clamping jaws forms a clamping unit.
  • the outer contour of the tip of the insertion nose in particular in the above-mentioned two-part insertion nose design, can have a pointed-oval shape in cross-section.
  • flattened areas can be provided on the radial sides of the tip at the separating gap between the insertion nose halves.
  • the flattened areas are preferably planar surfaces that run plane-parallel in the axial direction.
  • the pointed-oval cross-sectional shape of the tip of the insertion nose in the area of the flattened areas is shaped like a barrel.
  • the insertion nose can furthermore be designed to be rotationally symmetrical, at least seen from the outside, essentially at least in sections, in particular along the shaft.
  • the insertion nose can have a hexagonal inner contour in cross section, at least in sections. If the slide-in nose, like the clamping jaws, is designed in two parts and consists of two slide-in nose halves, the clamping jaws and the respective parts of the slide-in nose each have separate inner contours which each form half a hexagon in cross section. If the insertion nose has a hexagonal inner contour, this has advantages in terms of stability and durability. Furthermore, a hexagonal inner contour creates the prerequisite for a wide range of possible machinable cables with different cable diameters.
  • the clamping jaws can have a front clamping area adjoining the insertion nose and a rear clamping area.
  • the two clamping areas can be separated from one another by a distance. When the clamping jaws are closed, the cable is unloaded over the distance.
  • the insertion nose has an inner contour which, in cross section (or viewed in the radial direction) in comparison to Cross-section of the inner contour of the clamping jaws responsible for clamping the cable is enlarged.
  • the enlarged cross-sectional area of the inner contour of the insert nose creates a cavity in which a piece of cable deformed during the insertion of the cable end of the cable still has sufficient space and allows the deformed piece of cable to be accommodated in the cavity.
  • the free area of the insertion nose can be at least 5 mm and preferably at least 8 mm long.
  • the longitudinal extent of the free area preferably corresponds approximately to the length of the insertion nose (tip and shaft). Such a long free area offers a sufficiently large space for the cable to be deformed.
  • the cables to be assembled are cables with contacts such as pins, sleeves or crimp contacts attached to the cable ends.
  • the device described above is preferably used for the assembly process.
  • the assembly process comprises the following work steps: First, the cable is gripped with the cable gripper of the assembly unit. The cable gripper is positioned in such a way that the tip of the insertion nose of the cable gripper lies behind the contact. Then the cable end of the cable is in the connector housing and preferably inserted into the desired cell of the connector housing. The insertion nose is guided through the corresponding cable passage opening and preferably through the cable passage opening belonging to the cell.
  • the cable gripper preferably grips the cable immediately behind the contact or at a small distance (particularly preferably 0.1 mm).
  • Fig. 1 shows a device, denoted overall by 1, for equipping plug housings (not shown here) provided with sealing mats with prefabricated cable ends of cables.
  • the device 1 comprises an equipping unit 2 with a cable gripper 3.
  • the cable gripper has two clamping jaws 13, 14 for holding a cable by clamping. With the exception of an insertion nose 5, which is described in detail below, such cable grippers are already known and in use.
  • the clamping jaws 13, 14 can be moved together synchronously.
  • the opening movement to create an open position that enables the cable to be picked up is indicated by arrows f.
  • a variant that can be moved on one side would also be conceivable, in which only one of the clamping jaws 13, 14 has to be moved to create the open position and the closed position.
  • One possible embodiment of a cable gripper 3 is shown by way of example EP 2 317 613 A1 , from which further details on the structural design and functionality of a cable gripper can be found.
  • the in Fig. 1 The novel cable gripper 3 shown is characterized in that it has a specially designed insertion nose 5.
  • the insertion nose 5 forms a type of extension of the cable gripper 3, which extends along a longitudinal axis designated by 20.
  • the insertion nose 5 is designed to be essentially rotationally symmetrical with respect to its outer contour.
  • the insertion nose 5 consists of a shaft 9 and a widened tip 7. This widening is to be understood geometrically and essentially only means that the outer dimensions of the tip, viewed in the radial direction, are greater than those of the shaft 9. In other words, the tip 7 projects radially outwardly with respect to the shaft 9.
  • the insertion nose 5 is an elongated insertion part that is adapted to the dimensions of the through holes in the sealing mat.
  • the insertion nose 5 with the widened tip 7 also allows plug housings provided with particularly thick sealing mats to be fitted with different cable diameters. In particular, it is possible to equip with thin cables, which have a high risk of kinking.
  • the slide-in nose 5, like the cable gripper 3, is designed in two parts with the two clamping jaws 13, 14 that can be moved towards one another and has two slide-in nose halves 22, 23.
  • the sleeve-like shaft 9 is thus made up of two shell parts.
  • a separating gap 31 can be seen, which results from the division of the insertion nose 5 into two halves.
  • One insertion nose half 22, 23 is formed on a respective clamping jaw 13, 14 or is otherwise connected to it.
  • the insertion nose halves 22, 23 and the respective associated clamping jaws 13, 14 could be designed in one piece.
  • the insertion nose half 22, 23 on the one hand and the respective associated clamping jaw 13, 14 on the other hand could be formed from separate components that are joined together.
  • Fig. 2 shows the cable gripper 3 and a cable 6.
  • the cable 6 has a prefabricated cable end 12, in the present case a contact 10 in the form of a pin is attached to the cable end 12.
  • the cable gripper 3 is positioned in such a way that the tip 7 of the insertion nose 5 lies behind the contact 10.
  • the cable gripper 3 is placed as close as possible to the contact 10 (see the following Fig. 6 ).
  • Fig. 3 shows a connector housing 11 provided with a sealing mat 8 with a cable gripper 3 during the assembly process.
  • the connector housing 11 has a comparatively thick sealing mat 8.
  • Sealing mats 8 are made of an elastic material and can be made of rubber, for example.
  • the cable gripper 3 is in an end position in which the contact 10 is completely inserted into a cell of the connector housing 11.
  • the contact 10 has a collar 21 to create a latch for fixing the cable end 12 in position in the plug housing 11, which collar interacts with latching means (not shown here) of the plug housing.
  • Fig. 3 As can be seen, the insertion nose 5 is passed through a cable passage opening 27 belonging to the cell in the end position. After reaching the end position and locking the contact 10 in the connector housing, the clamping gripper is opened slightly, whereupon the insertion nose 5 can be pulled out of the cable passage opening 27 again by moving in the direction of the arrow i, without the cable pulling out or damaging the sealing mat.
  • a second cable passage opening can be seen before the assembly process, which is designated by 27 '.
  • the through opening 27 ' is obviously designed to be very narrow in the original state in order to ensure an optimal sealing effect.
  • the sealing area of the cable passage opening 27 rests on the shaft 9 when the insertion nose is passed through.
  • the widened tip 7 is in this position in a larger cavity and is not in contact with the sealing mat 8.
  • the method for equipping plug housings 11 provided with sealing mats 8 with prefabricated cable ends 12 of cables 6, with contacts 10 being attached to the cable ends 12, comprises the following method steps:
  • the cable gripper 3 of the equipping unit 2 grips the cable 6 positioned towards the end of the cable 12 so that the tip 7 of the insertion nose 5 lies behind the contact 10.
  • the cable end 12 held in this way is then introduced into the desired cell of the connector housing 11 by means of the fitting unit 2, the insertion nose 5 being guided through the cable passage opening 27 belonging to the cell.
  • the cable gripper 3 pushes the contact 10 with the insertion lug 5 through the sealing mat up to the locking position ( Fig. 3 ).
  • the cable section 6 'of the cable within the insertion nose 5 experiences a slight deformation.
  • the free area FB assigned to the insertion nose 5 is designed to allow such a deformation (see also Fig. 7 ).
  • the permitted deformation of the cable 6 'in the insertion nose ensures that a possible distance a between the support tip and the rear part of the contact is advantageously eliminated (cf. Fig. 6 ).
  • the cable gripper 3 then opens so far that it can move out of the sealing mat 8 without pulling out the cable 6 and without damaging the cable 6 and the sealing mat 8.
  • the process changes as follows: The cable 6 is taken over by the preprocess in such a way that the cable gripper 3 grips the cable 6 so far back that the insertion takes place without the insertion nose 5 penetrating the sealing mat 8 .
  • the cable gripper 3 is thus positioned far enough away from the contact 10 that the cable gripper 3 does not touch the sealing mat 8 in the end position or latched position.
  • FIG. 4 shows the cable gripper seen from the side.
  • the tip 7 has an outer contour which is divided into three areas.
  • the tip 7 comprises a front area 15, a central area 16 and an end area 17.
  • the front area 15 is conical.
  • the central area 16 is cylindrical except for the upper and lower radial sides at the separating gap 31.
  • the tip 7 has a flat 29. Thanks to the flat 29, there are no sharp edges, which prevents undesired damage to the sealing mat during the assembly process.
  • the end region 17 creates a transition to the shaft 9.
  • the end region has a curve-shaped course tapering towards the shaft with arched shapes.
  • the insertion nose 5 is to be configured to be correspondingly long according to the insertion length given by the design of the connector housing and the sealing mat.
  • the dimensions of the tip 7 and the shaft 9 in relation to the longitudinal axis 20 are denoted by L1 and L2.
  • the longitudinal extension L1 of the tip 7 is greatly shortened compared to the length L2 of the shaft 9.
  • the longitudinal extension L1 of the tip 7 in cables with cable diameters of, for example, 1 mm to 3 mm is between 1 and 5 mm. If, for example, cables with a cable diameter of 1.8 mm or with an even smaller cable diameter are used, the longitudinal extension L1 can be 1 mm; the length L2 of the shaft 9 can be 6 to 8 mm, for example.
  • the shaft 9 has a cylindrical outside 18, the outside being smooth.
  • profilings such as longitudinal ribs could also be provided on the outside.
  • Fig. 5 shows the same cable gripper 3 as in Fig. 4 However, here the clamping jaw facing the viewer with the nose half formed thereon has been removed or made invisible, so that the inside of the cable gripper 3 can be seen. So it's over Fig. 5 clearly visible that the inner contour 19, which forms the cavity in the free area FB for receiving the cable (not shown), the Insertion nose 5 is enlarged compared to the inner contour of the clamping unit from the clamping jaws 13, 14.
  • the clamping jaws have two clamping areas, labeled "KB1" and "KB2", for the clamping action of the cable 6, which are narrower at least in the sections responsible for clamping the cable.
  • the front clamping area KB1 adjoining the insertion nose 5 is separated from the rear clamping area KB2 by a distance.
  • Fig. 6 shows the cable gripper 3 before the insertion of the contact 10 into the corresponding (not shown) cable passage opening of the connector housing.
  • the cable gripper 3 holds the cable 6 in a position in which the insertion nose 5 is placed close to the contact, but there is still a small distance.
  • This distance that is to say the distance between a rear side 30 of the contact 10 and the front face of the tip 7 of the insertion nose 5, is denoted by a.
  • the distance a can be 0.1 mm, for example.
  • the distance a is canceled and the insertion nose 5 abuts the contact 10 and pushes it on.
  • the direction of insertion is in Fig. 6 indicated by an arrow e.
  • the cable 3 experiences a deformation which can be accommodated in an enlarged cavity within the insertion nose 5.
  • Fig. 7 shows again the end position when the cable end (not shown here) has been pushed completely into the respective cell of the connector housing in which the insertion nose 5 abuts the contact 10.
  • the insertion nose 5 has the already mentioned inner contour 19, which is enlarged in cross section compared to the inner contour 28 of the clamping jaws 13 responsible for clamping the cable. This creates an enlarged cavity in which a piece of cable designated 6 ', which is deformed by compression when the cable end is pushed in during the fitting process, can be received.
  • the free area FB can be at least 5 mm and especially preferably 8 to 9 mm long. The free area FB allows the held cable 6 to be deformed to such an extent that the distance a between contact 10 and tip 7 is canceled.
  • the insertion nose 5 has a hexagonal inner contour 19.
  • a line T indicates a plane of separation that lies between the halves of the cable gripper and the insertion nose 5.
  • the plane of separation T in the present case also defines a plane of symmetry.
  • the respective parts 22, 23 of the insertion nose 5 each have inner contours which form half a hexagon in cross section.
  • the hexagonal inner contour 19 weakens the insertion nose 5 considerably less than the usual square inner contours.
  • the flats 29 can be seen on the upper and lower radial sides of the tip.
  • the flats 29 are flat surfaces.
  • the plane-parallel flattened areas 29 running in the axial direction are located on mutually opposite sides towards the separating gap 31.
  • the flattened areas 29 are thus oriented at right angles to the plane of separation T, which divides the two insertion nose halves.
  • the tip 7 is shortened at the top and bottom. Thanks to the tip 7, which has been shortened in cross-section, according to FIG Fig. 8 it is ensured that the sealing mat is not damaged when it penetrates due to the lack of sharp edges.
  • the tip 7 has an outer contour with a pointed-oval shape in cross section.
  • the flattened areas 29 produce a shape of the outer contour in the manner of a barrel from the pointed-oval cross-sectional shape of the tip 7 of the insertion nose 5 in the area of the flattened areas 29.
  • Fig. 9 details of the tip geometry of the widened tip 7 can be found.
  • the outer contour of the tip 7, consisting of the front area 15, the central area 16 and the end area 17, is designed in a manner that is gentle on the sealing material.
  • Fig. 9 ⁇ denotes the angle of inclination of the left half of the conically tapering front region 15 to the associated axis A 1 , which runs parallel to the longitudinal axis 20. This angle of inclination ⁇ is approximately 60 ° in the present exemplary embodiment.
  • the end area 17 is composed of two curves with approximately the same radii.
  • the end area shaped in this way ensures that the sealing mat is not damaged even when the insertion nose 5 is pulled out.
  • the insertion nose has a conically shaped tip 7, the right and left gripper sides each having their own conical axis A r , A 1 .
  • the axes A r , A 1 are spaced from one another so that the cone axis A r of the right gripper side comes to lie on the left side of the line of symmetry T and the cone axis A 1 of the left gripper side on the right side of the line of symmetry T.
  • the tip 7 has two cylinder surfaces towards the outside, each of which is interrupted by flattened areas 29.
  • Each of these two mid-range cylinder has different cylindrical axes A r, A 1, which coincide with the respective associated, previously already mentioned cone axes A r, A1. Without the flattened areas 29, the cross section of the tip 7 in the central region 16 would obviously have a pointed-oval shape.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (13)

  1. Dispositif permettant d'équiper des boîtiers de connecteurs (11) pourvus de membranes d'étanchéité (8) avec des extrémités de câbles (12) préfabriquées de câbles (6), comportant une unité d'équipement (2) avec laquelle les extrémités de câbles (12) peuvent être insérées dans le boîtier de connecteur (11), l'unité d'équipement (2) comprenant un serre-câble (3) comportant un ergot d'introduction (5), lequel peut être guidé à travers une ouverture de passage de câble (27) de la membrane d'étanchéité (8) pendant le processus d'équipement, caractérisé en ce que l'ergot d'introduction (5) présente une tige (9) et une pointe (7) élargie par rapport à la tige et en ce que l'ergot d'introduction (5) présente un contour intérieur (19) permettant de former une zone libre (FB), laquelle est agrandie en section transversale par rapport au contour intérieur (28) des mâchoires de serrage (13, 14).
  2. Dispositif selon la revendication 1, caractérisé en ce que la pointe (7) présente une zone avant (15) effilée.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la pointe (7) présente une zone avant (15) se rétrécissant de façon conique à un angle d'inclinaison (α) par rapport à un axe longitudinal (20) du serre-câble ou par rapport à un axe de cône (Ar, A1) s'étendant parallèlement à l'axe longitudinal (20), l'angle d'inclinaison (a) étant compris entre 60° et 80°.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la pointe (7) présente une zone avant (15), une zone médiane (16) et une zone d'extrémité (17) se rétrécissant vers la tige (9).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que la tige (9) présente une face extérieure cylindrique (18).
  6. Dispositif selon la revendication 5, caractérisé en ce que l'extension longitudinale (L1) de la pointe (7) est au moins sept fois inférieure à la longueur (L2) de la tige (9).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que l'extension longitudinale (L1) de la pointe (7) de l'ergot d'introduction (5) est au maximum de 5 mm, de préférence au maximum de 3 mm et de manière particulièrement préférée de 1 mm.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que l'ergot d'introduction (5) présente un contour intérieur hexagonal (19, 28) en section transversale.
  9. Dispositif selon la revendication 8, caractérisé en ce que la zone libre (FB) de l'ergot d'introduction (5) présente une longueur d'au moins 5 mm et de préférence d'au moins 8 mm.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que le serre-câble (3) présente deux mâchoires de serrage (13, 14) déplaçables l'une vers l'autre et permettant de tenir le câble (6) de manière serrée et en ce que l'ergot d'introduction (5) comprenant une pointe (7) et la tige (9) se compose de deux moitiés d'ergot d'introduction (22, 23), chaque moitié d'ergot d'introduction (22, 23) étant reliée respectivement à une mâchoire de serrage (13, 14).
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que le contour extérieur de la pointe (7) possède une forme ovale pointue en section transversale.
  12. Dispositif selon la revendication 10 ou 11, caractérisé en ce que des méplats (29) sont prévus sur les côtés radiaux de la pointe (7) au niveau de la fente de séparation (31) entre les moitiés d'ergot d'introduction (22, 23).
  13. Procédé permettant d'équiper des boîtiers de connecteurs (11) pourvus de membranes d'étanchéité (8) avec des extrémités de câble (12) préfabriquées de câbles (6), des contacts (10) tels que des broches, des douilles ou des contacts à sertir étant fixés aux extrémités de câble (12) en utilisant le dispositif selon l'une des revendications 1 à 12, comprenant les étapes suivantes :
    - saisie du câble (6) avec le serre-câble (3) de l'unité d'équipement (2), le serre-câble (3) étant positionné de telle sorte que la pointe (7) de l'ergot d'introduction (5) se trouve derrière le contact (10),
    - insertion de l'extrémité de câble (12) du câble dans le boîtier de connecteur (11) au moyen de l'unité d'équipement (2), l'ergot d'introduction (5) étant guidé à travers une ouverture de passage de câble (27) dans la membrane d'étanchéité (8).
EP17168587.8A 2017-04-28 2017-04-28 Dispositif et procédé destinés à équiper des boîtiers de connecteur dotés de membranes d'étanchéité Active EP3396794B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17168587.8A EP3396794B1 (fr) 2017-04-28 2017-04-28 Dispositif et procédé destinés à équiper des boîtiers de connecteur dotés de membranes d'étanchéité
US15/954,721 US10446998B2 (en) 2017-04-28 2018-04-17 Device and method for fitting connector housings provided with sealing mats
JP2018086205A JP7051562B2 (ja) 2017-04-28 2018-04-27 シーリングマットが設けられたコネクタハウジングを取付けるための装置および方法
CN201810393706.7A CN108808405B (zh) 2017-04-28 2018-04-27 用于装配设有密封垫的插头壳体的装置和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17168587.8A EP3396794B1 (fr) 2017-04-28 2017-04-28 Dispositif et procédé destinés à équiper des boîtiers de connecteur dotés de membranes d'étanchéité

Publications (2)

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EP3396794A1 EP3396794A1 (fr) 2018-10-31
EP3396794B1 true EP3396794B1 (fr) 2021-12-15

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EP17168587.8A Active EP3396794B1 (fr) 2017-04-28 2017-04-28 Dispositif et procédé destinés à équiper des boîtiers de connecteur dotés de membranes d'étanchéité

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Country Link
US (1) US10446998B2 (fr)
EP (1) EP3396794B1 (fr)
JP (1) JP7051562B2 (fr)
CN (1) CN108808405B (fr)

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Also Published As

Publication number Publication date
US10446998B2 (en) 2019-10-15
JP2018190718A (ja) 2018-11-29
CN108808405B (zh) 2022-03-01
CN108808405A (zh) 2018-11-13
EP3396794A1 (fr) 2018-10-31
US20180316152A1 (en) 2018-11-01
JP7051562B2 (ja) 2022-04-11

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