EP3396794A1 - 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
EP3396794A1
EP3396794A1 EP17168587.8A EP17168587A EP3396794A1 EP 3396794 A1 EP3396794 A1 EP 3396794A1 EP 17168587 A EP17168587 A EP 17168587A EP 3396794 A1 EP3396794 A1 EP 3396794A1
Authority
EP
European Patent Office
Prior art keywords
cable
tip
insertion nose
nose
gripper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17168587.8A
Other languages
German (de)
English (en)
Other versions
EP3396794B1 (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
    • 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
    • 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
    • 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
    • H01R13/5205—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 provided with sealing mats plug housings with pre-assembled cable ends of cables according to preamble of claim 1. Furthermore, the invention relates to a method for assembling such plug housings.
  • a confectioning system may 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 possibly spool stations. For high-quality electrical connectors instead of crimp contacts contacts in the form of pins or sleeves are used, which are brought with appropriate processing stations to the stripped cable ends.
  • Sealing mats are used to seal plug housings against dust, moisture or water and are used for example in the aircraft industry.
  • a provided with sealing mats connector housing for creating electrical plug connections is then for example in the GB 1 371 916 A shown and described.
  • GB 1 371 916 A is also a hand tool for equipping a provided with a sealing mat connector housing with pre-terminated cable ends known.
  • the cable ends have pins designed as contacts, which are inserted together with the cable in the hand tool and then pushed by means of the hand tool through cable passage openings in the sealing mat.
  • a pin arranged on the collar the contact is locked in the connector housing, after which the hand tool can be pulled out again.
  • connector housing can be equipped with a variety of cells and small cell intervals with pre-assembled cable ends in an automated assembly process.
  • the EP 2 317 613 A1 shows a mounting device with a two jaws cable gripper. To fit sealing mats into the connector housings, the cable gripper grasps 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 pulling the cable farther back. In practice, it has been found that this "picking method" is unsuitable for certain cable types. This is especially true when using thin cables that are demanding in handling because they can buckle when loaded.
  • the generic equivalent equipping device has an assembly unit with a cable gripper on which a slot is arranged.
  • the cable gripper with the insertion nose is constructed in two parts and can be opened in two halves via a pivoting movement. In the closed position, the cable gripper engages around the cable end with the contact designed as a plug pin. The so held cable end is now inserted into the connector housing, while the insertion nose is guided through the cable passage opening of the sealing mat.
  • the seal can be excessively strained or even injured during penetration of the insertion nose into the cable passage opening, whereby the sealing performance of the connector housing can be significantly reduced, especially with thinner cables.
  • Another disadvantage of the device is that the placement unit is less suitable to process cables with different cable diameters.
  • the cable gripper with the insertion nose should be easily and optimally inserted into sealing mats.
  • the sealing mat should not be overstressed during the assembly process become. 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 plug-in housings provided with sealing mats with prefabricated cable ends of cables comprises an equipping unit with which the cable ends can be inserted, for example, in cells of the plug housing.
  • the sealing mats of the plug housing have one or more cable passage openings, in each of which a cable can be received in a sealing manner.
  • the loading unit comprises a cable gripper with a slot extending along a longitudinal axis for guiding and temporarily receiving the respective cable.
  • the cable axis corresponds at least in the region of the cable end of the aforementioned longitudinal axis.
  • the insertion nose is designed such that it can be guided during the placement process through one of the cable passage openings.
  • the insertion nose has a widened tip, the sealing mat is treated gently when loading. Undesirable damage to the sealing mat, which would have a negative effect on the sealing performance, are practically excluded. Due to the widening in the region of the front end of the insertion nose, which initially penetrates the cable passage opening of the sealing mat during the assembly process, the insertion nose can be easily and surprisingly inserted into the sealing mat with surprisingly little effort. Another advantage is that with this arrangement different cables can be processed with the same mounting cable gripper.
  • the widening of the tip is to be understood geometrically and concerns only the shape of the elongated insertion nose.
  • the insertion nose may have a shank which 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 thus made thinner than the tip.
  • the insertion nose with the widened tip can be produced in different ways.
  • the insertion nose can be produced by casting, forming or also cutting processes from a metal (eg steel).
  • the insertion nose with the widened tip could also be made of plastic and produced in an injection molding process.
  • the tip may have a preferably conically tapering front portion for forming a front end of the insertion nose.
  • the front area ensures efficient penetration of the tip into the cable passage opening of the sealing mat.
  • the tip may have a tapered front portion with a convex or concave shape.
  • the tip may have a front region that conically tapers at an angle of inclination relative to a longitudinal axis of the cable gripper, in which the inclination angle lies between 40 ° and 80 °, preferably between 50 ° and 70 °, and particularly preferably approximately 60 ° ° is.
  • the cable passage opening can be spread easily and effectively with such a tip geometry.
  • the obtuse-angled front area allows not only optimal penetration but also a compact or short tip design.
  • the cone axis of the conically tapering front region does not necessarily have to match the longitudinal axis of the cable gripper.
  • the conical axes of the front regions are spaced from the longitudinal axis of the cable gripper.
  • the insertion nose is constructed, for example, in two parts and consists of two preferably shell-shaped insertion nose halves
  • the conically tapering front region can be composed of two conical halves, wherein one conical half is assigned to each insertion nose half.
  • the two conical halves may each have a cone axis, wherein the respective cone axes extend parallel to the longitudinal axis.
  • the conical shape of the front region can therefore also be composed of two or optionally also a plurality of segments.
  • the tip would each have a tapering front region segment (conical half), which is inclined by an angle of inclination relative to the corresponding cone axis extending parallel to the longitudinal axis.
  • the mentioned inclination angle is between 40 ° and 80 °, preferably in each case between 50 ° and 70 ° and particularly preferably in each case about 60 °
  • the outer contour of the cable gripper with respect to the longitudinal axis may be composed of the aforementioned front region, a central region and a tapered end region.
  • the central region 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 region can have two cylinder surfaces. Each of these two midrange cylinders may have different cylinder axes. The cylinder axes are not coaxial in this case, but axis-parallel to the longitudinal axis.
  • the cylindrical shape of the central region can therefore also be composed of two or optionally also a plurality of segments. If the front region is designed to be conical, the respective cone axes and cylinder axes per insertion nose half are preferably formed coaxially.
  • the front region and the end region may have a smaller circular cross section than the central region, wherein the change in cross section in the front region and the end region may take place continuously or stepwise.
  • the tip could be designed spherical.
  • the insertion nose preferably consists of a shank and a tip, which is widened with respect to the shank.
  • the stem is an elongate, preferably sleeve-like member extending in the longitudinal axis, which is thinner compared to the tip.
  • the transition between tip and shaft can be formed, for example, by the previously described end region.
  • the shaft has a cylindrical outer side.
  • This outside can be a cylindrical, smooth surface. But it is also conceivable to provide the outside with a profiling (for example in the form of longitudinal ribs).
  • the longitudinal extent of the tip of the insertion nose can be short and at most 5 mm and preferably about 1 mm.
  • the longitudinal extent of the tip relative to the length of the shaft may be at least seven times smaller.
  • the cable gripper may have two clamping jaws which are movable towards one another for clamping the cable.
  • the insertion nose preferably consists of two insertion nose halves.
  • the insertion nose halves are preferably cupped.
  • Each insertion nose half has a tip half and a half shaft. In each case one insertion nose half can be formed on a respective jaw or otherwise connected to this. Thus, each jaw is assigned one half of the tip and one half of the shaft.
  • the assembly of the two 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 have a cross-sectionally pointed-oval shape.
  • flattenings may be provided on radial sides of the tip at the separation gap between the insertion nose halves.
  • the flats are preferably plane, in the axial direction plane-parallel surfaces. Due to the flattening of the pointed-oval cross-sectional shape of the tip of the insertion nose in the region of the flattening formed a shape in the manner of a barrel.
  • the insertion nose can furthermore, at least from the outside, be designed to be rotationally symmetrical, essentially at least in sections, in particular along the shank.
  • the insertion nose can have a hexagonal inner contour in cross section at least in sections. If the insertion nose as the jaws is designed in two parts and consists of two insertion nose halves, thus, the jaws and the respective parts of the insertion nose each have separate inner contours on, each forming a half hexagon in cross section. If the insertion nose has a hexagonal inner contour, this has advantages in terms of stability and longevity. Furthermore, a hexagonal inner contour creates a prerequisite for a wide range of possible workable cables with different cable diameters.
  • the jaws may have a front clamping region adjoining the insertion nose and a rear clamping region.
  • the two clamping areas can be separated by a distance from each other.
  • the cable is unencumbered with the jaws closed over the distance.
  • the insertion nose to form a free area in which a held cable or when the clamping jaws are closed, be unloaded and in particular not clamped over this free area, have an inner contour which in cross section (or seen in the radial direction) in comparison to Cross-section of responsible for the clamping of the cable inner contour of the jaws be increased.
  • the enlarged cross-sectional area of the inner contour of the insertion nose creates a cavity in which a cable piece deformed during the insertion process when the cable end of the cable is inserted still has sufficient space and allows the deformed cable piece to be received 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 corresponds approximately to the length of the insertion nose (tip and shaft). Such a long outdoor area offers a sufficiently large space for the cable deformation.
  • the cables to be equipped are cables, at the end of the cable contacts such as pins, sleeves or crimp contacts are attached.
  • the device described above is preferably used.
  • the assembly process comprises the following steps: First, the cable is grasped 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 is behind the contact. Thereafter, the cable end of the cable by means of the assembly unit 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 grasps the cable directly behind the contact or at a short distance (particularly preferably 0.1 mm) from the cable.
  • Fig. 1 shows a generally designated 1 device for equipping (not shown here) provided with sealing mats plug housings with pre-assembled cable ends of cables.
  • the device 1 comprises a loading unit 2 with a cable gripper 3.
  • the cable gripper has two jaws 13, 14 for clamping a cable holding. Except for a insertion nose 5 described in detail below, such cable grippers are already known and in use.
  • the jaws 13, 14 can be moved synchronously together.
  • the opening movement for creating an open position, which makes it possible to receive the cable is indicated by arrows f.
  • a possible embodiment of a cable gripper 3 shows an example of the EP 2 317 613 A1 , from the further details of the structural design and operation of a cable gripper are removed.
  • the in Fig. 1 shown novel cable gripper 3 is characterized in that it has a specially designed insertion nose 5.
  • the insertion nose 5 forms a kind of extension of the cable gripper 3, which extends along a designated longitudinal axis 20.
  • the insertion nose 5 is designed substantially rotationally symmetrical with respect to its outer contour.
  • the insertion nose 5 consists of a shaft 9 and a flared tip 7. This widening is to be understood geometrically and means essentially only that the outer dimensions of the tip seen in the radial direction are greater than that of the shaft 9. In other words, the tip 7 projects radially outwards relative to the shaft 9.
  • the insertion nose 5 is an elongated, adapted to the dimensions of the through holes of the sealing mat insertion part.
  • the insertion nose 5 with the widened tip 7 also allows the fitting of specially provided with thick sealing mats plug housings with different cable diameters. In particular, it is possible to perform the assembly with thin cables that have a high risk of buckling.
  • the insertion nose 5 is designed as the cable gripper 3 with the two mutually movable jaws 13, 14 in two parts and has two insertion nose halves 22, 23.
  • the sleeve-like shaft 9 is thus constructed of two shell parts. It can be seen a separation gap 31, which results from the division of the insertion nose 5 in two halves.
  • a half insertion nose 22, 23 is formed on each of a jaw 13, 14 or otherwise connected to this.
  • the insertion nose half 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 of separate components which are joined together.
  • Fig. 2 shows the cable gripper 3 and a cable 6.
  • the cable 6 has a ready-made cable end 12, wherein in the present case a contact 10 is attached in the form of a pin at the cable end 12.
  • the cable gripper 3 is positioned so that the tip 7 of the insertion nose 5 is 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 provided with a sealing mat 8 connector housing 11 with a cable gripper 3 during the assembly process.
  • the plug housing 11 has a comparatively thick sealing mat 8.
  • Sealing mats 8 are made of an elastic material and may for example be made of rubber.
  • 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 to create a latch for positionally fixing the cable end 12 in the connector housing 11 via a collar 21 which cooperates with (not shown here) latching means of the plug housing.
  • Fig. 3 shows how out Fig. 3 shows, the insertion nose 5 is performed in the end position by a cell associated cable passage opening 27. After reaching the end position and locking the contact 10 in the connector housing of the clamping gripper is slightly opened, whereupon the insertion nose 5 can be pulled out of the cable passage opening 27 again by movement in the direction of arrow i, without the cable pull out or damage the sealing mat.
  • a second cable passage opening can be seen before the loading process, which is designated by 27 '.
  • the passage opening 27 ' is obviously very narrow in the original state, in order to ensure an optimum sealing effect.
  • the sealing area of the cable passage opening 27 rests on the shaft 9 when the insertion nose is performed.
  • the flared tip 7 is located in this position in a larger cavity and is not in contact with the sealing mat. 8
  • the method of equipping plug housings 11 provided with sealing mats 8 with prefabricated cable ends 12 of cables 6, wherein contacts 10 are attached to the cable ends comprises the following method steps:
  • the cable gripper 3 of the mounting unit 2 detects the cable 6.
  • the cable gripper 3 becomes such positioned to the cable end 12 that the tip 7 of the insertion nose 5 is behind the contact 10.
  • the so-held cable end 12 is inserted by means of the assembly unit 2 in the desired cell of the connector housing 11, wherein the insertion nose 5 is guided through the cable passage opening 27 associated with the cell.
  • the cable gripper 3 presses the contact 10 with the insertion nose 5 through the sealing mat to the latching position ( Fig. 3 ).
  • the cable piece 6 'of the cable within the insertion nose 5 experiences a small deformation.
  • the free area FB assigned to the insertion nose 5 is designed to allow such deformation (cf. Fig. 7 ).
  • the permissible 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 subsequently opens so far that it can pull out of the sealing mat 8 without the cable 6 and without damaging the cable 6 and the sealing mat 8.
  • the method changes as follows: The cable 6 is taken over by the pre-process that the cable gripper 3 the cable 6 detected so far behind that a placement without penetration of the insertion nose 5 takes place in the sealing mat 8 , The cable gripper 3 is thus positioned far away from the contact 10 so that the cable gripper 3 does not touch the sealing mat 8 in the end position or latching position.
  • Fig. 4 shows the cable gripper seen from the side.
  • the tip 7 has in the side view on a divided into three areas outer contour.
  • the tip 7 in this case comprises a front region 15, a central region 16 and an end region 17.
  • the front region 15 is designed to be conical.
  • the central region 16 is cylindrical except for the upper and lower radial sides of the separating gap 31.
  • the tip 7 has a flattening 29. Thanks to the flattening 29, there are no sharp edges, which prevents unwanted damage to the sealing mat during the assembly process.
  • the end region 17 establishes a transition to the shaft 9.
  • the end region has a curvilinear curve with curved shapes tapering towards the shaft.
  • the insertion nose 5 is the length determined by the configuration of the plug housing and the sealing mat insertion length accordingly long.
  • the expansions of the tip 7 and the shaft 9 with respect to the longitudinal axis 20 are indicated by L1 and L2.
  • the longitudinal extent L1 of the tip 7 is greatly reduced compared to the length L2 of the shaft 9.
  • the longitudinal extent L1 of the tip 7 in the case of 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 even smaller cable diameters are used, the longitudinal extent may be L1 mm; the length L2 of the shaft 9 may be, for example, 6 to 8 mm.
  • the shaft 9 has a cylindrical outer side 18, wherein the outer side is smooth.
  • profilings such as longitudinal ribs could also be provided on the outside.
  • Fig. 5 shows in itself the same cable gripper 3 as in Fig. 4 However, here the viewer facing the jaw with the nose half formed thereon has been taken away or made invisible, whereby the interior of the cable gripper 3 can be seen. That's how it is Fig. 5 It can be seen clearly that the inner contour 19, which forms the cavity in the free area FB for receiving the cable (not shown), the Insertion nose 5 relative to the inner contour of the clamping unit of the jaws 13, 14 is increased.
  • the jaws have two clamping portions designated “KB1" and “KB2" for clampingly engaging the cable 6, which are narrower at least in the portions responsible for clamping the cable.
  • the front, adjacent to the insertion nose 5 clamping area KB 1 is separated by a distance from the rear clamping area KB2.
  • Fig. 6 shows the cable gripper 3 before insertion of the contact 10 in the corresponding (not shown) cable passage opening of the plug housing.
  • the cable gripper 3 holds the cable 6 in a position in which the insertion nose 5 is indeed placed close to the contact, but there is still a small distance.
  • This distance ie the distance between a rear side 30 of the contact 10 to the front end side of the tip 7 of the insertion nose 5, is designated by a.
  • the distance a can be, for example, 0.1 mm.
  • the distance a is canceled and the insertion nose 5 abuts the contact 10 and pushes it.
  • the insertion direction is in Fig. 6 indicated by an arrow e. By this distance reduction, the cable 3 undergoes a deformation that can be accommodated in an enlarged cavity within the insertion nose 5.
  • Fig. 7 again shows the end position when the (not shown here) cable end has been completely inserted into the respective cell of the connector housing, in which the insertion nose 5, the contact 10 abutting acts.
  • the insertion nose 5 has to form the free area FB, in which the cable is unloaded and in particular not clamped, the already mentioned inner contour 19, which is enlarged in cross-section compared to the responsible for the clamping of the cable inner contour 28 of the jaws 13, is increased. This results in an enlarged cavity, in which a deformed upon insertion of the cable end during the assembly process by crushing with 6 'designated cable piece is receivable.
  • 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 deform so far that the distance a between the contact 10 and the top 7 is canceled.
  • the insertion nose 5 has a hexagonal inner contour 19. With a line T, a separation plane is indicated, which lies between the halves of the cable gripper and the insertion nose 5. In the present case, the separation plane T also defines a plane of symmetry.
  • the respective parts 22, 23 of the insertion nose 5 each have inner contours, which form a half hexagon in cross section.
  • the hexagonal inner contour 19 weakens the insertion nose 5 considerably less than the usual quadrangular inner contours.
  • Fig. 8 the flats 29 on upper and lower radial sides of the tip recognizable.
  • the flats 29 are flat surfaces.
  • the plane-parallel, extending in the axial direction flats 29 are located on opposite sides of the separation gap 31 out.
  • the flats 29 are thus aligned at right angles to the separation plane T, which divides the two insertion nose halves.
  • the tip 7 is in other words shortened above and below. Thanks to the shortened in cross section tip 7 according to Fig. 8 It is ensured that, due to the lack of sharp edges, the sealing mat is not damaged during penetration.
  • the tip 7 has, in addition to the flattened portions 29, ie in the front region 15 and in the end region 17, an outer contour that is pointed-oval in cross-section.
  • the pointed-oval cross-sectional shape of the tip 7 of the insertion nose 5 in the region of the flattenings 29 results in a shaping of the outer contour in the manner of a barrel.
  • Fig. 9 Details of the tip geometry of the flared tip 7 are removable. With respect to a longitudinal axis 20, the outer contour of the tip 7, consisting of the front region 15, the middle region 16 and the end region 17, is designed to be gentle in the sealing material.
  • Fig. 9 ⁇ denotes the inclination angle 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 inclination angle ⁇ is about 60 ° in the present embodiment.
  • the end portion 17 is composed of two curves with approximately the same radii. The thus formed end ensures that the sealing mat is not damaged even when pulling out the insertion nose 5. Of course, it would also be conceivable to configure the end region 17 as well as the front region conically.
  • the insertion nose has a conically shaped tip 7, wherein the right and the left gripper side each have their own cone axis A r , A 1 .
  • the axes A r , A 1 are spaced from each other, so that the cone axis A r of the right gripper side on the left side of the line of symmetry T and the cone axis A 1 of the left gripper side comes to rest on the right side of the line of symmetry T.
  • This allows the contact attached to the cable end to pass over defined points and leaves enough freedom to fine-tune the contact as soon as it touches the sealing mat of the connector housing with its tip.
  • the contact is thereby tilted around the point of contact with the connector housing by the cable gripper changes its position until the contact with the connector housing is correctly aligned.
  • the tip 7 has outwardly two cylinder surfaces, which are interrupted by flats 29, respectively.
  • 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.
  • the cross section of the tip 7 in the middle region 16 would evidently 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)
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

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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

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GB1058900A (en) * 1965-07-30 1967-02-15 Int Standard Electric Corp Tool for inserting and extracting removable electrical contacts
GB1371916A (en) 1970-10-26 1974-10-30 Bowthorpe Hellermann Ltd Electrical connector
US3789484A (en) * 1972-12-22 1974-02-05 G & H Technology Electrical contact terminal hand tool
FR2450511A1 (fr) * 1979-03-01 1980-09-26 Air Lb Gmbh Dispositif de verrouillage et de deverrouillage d'embouts de conducteurs electriques, en particulier pour liaison avec des connecteurs electriques
EP0650232B1 (fr) 1993-10-22 1996-09-04 Eurocopter France Dispositif et machine pour brancher des éléments de connexion dans des connecteurs
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Publication number Publication date
CN108808405B (zh) 2022-03-01
JP2018190718A (ja) 2018-11-29
US20180316152A1 (en) 2018-11-01
EP3396794B1 (fr) 2021-12-15
US10446998B2 (en) 2019-10-15
JP7051562B2 (ja) 2022-04-11
CN108808405A (zh) 2018-11-13

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