EP1275173A1 - Plug-in connector with a bushing - Google Patents

Plug-in connector with a bushing

Info

Publication number
EP1275173A1
EP1275173A1 EP01936092A EP01936092A EP1275173A1 EP 1275173 A1 EP1275173 A1 EP 1275173A1 EP 01936092 A EP01936092 A EP 01936092A EP 01936092 A EP01936092 A EP 01936092A EP 1275173 A1 EP1275173 A1 EP 1275173A1
Authority
EP
European Patent Office
Prior art keywords
insulating body
retaining ring
contact
groove
contacts
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
EP01936092A
Other languages
German (de)
French (fr)
Other versions
EP1275173B1 (en
Inventor
Mario Bartholomä
Achim Hoch
Herbert Bohusch
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.)
Anton Hummel Verwaltungs GmbH
Original Assignee
Anton Hummel Verwaltungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anton Hummel Verwaltungs GmbH filed Critical Anton Hummel Verwaltungs GmbH
Publication of EP1275173A1 publication Critical patent/EP1275173A1/en
Application granted granted Critical
Publication of EP1275173B1 publication Critical patent/EP1275173B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/426—Securing by a separate resilient retaining piece supported by base or case, e.g. collar or metal contact-retention clip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  

Definitions

  • the invention relates to a plug with a sleeve and with an insulating body arranged in the use position in the sleeve and with elongated, pin-like contacts - contact pins or contact sockets - the holes or bores of the insulating body m in the use position are fixed by means of projections, which m transversely to the longitudinal direction of the contacts on these located groove-like depressions, the holes or bores with the elongated contacts on a concentric to the center of the sleeve or the insulating body and thus m the same distance from the inside of the sleeve or the surface of the insulating body, a further contact inside the imaginary cylinder is arranged parallel to the other contacts within a hole or bore.
  • Such electrical plugs are known and have proven themselves because the contacts are fixed and held in the axial direction when the plug is plugged together with or released from a counterpart, which is often associated with overcoming clamping forces through which the contacts m be subjected to a force in their longitudinal direction.
  • the insulating body is designed in several parts in order to be able to fix the contacts with their depressions to corresponding projections within the insulating body when the latter is disassembled. This means that it must then be put together, so that both the manufacture and the assembly are considered to be complex.
  • Another known solution provides protrusions made in one piece with the insulating body, which when inserting the pin-like First dodge contacts and then snap into the recesses on the contacts. This requires a correspondingly elastic material and, moreover, complex shapes are required to produce such an insulating body.
  • the invention has for its object to provide an electrical connector of the type mentioned, m is simple to manufacture and with a one-piece design of the insulating body, the determination of the contacts, be it contact pins or contact sockets, by means of depressions and projections engaging therein in a simple manner allows.
  • the connector mentioned at the outset is characterized in that the insulating body has at least one circumferential and outwardly open groove on its outside, which has the perforations or bores for the contacts over a part of their radial extent facing the outside of the insulating body Side cuts or penetrates, and that the groove on the insulating body is arranged at the level at which the depressions of the contacts are in the position of use, that a locking or holding ring made of insulating material and extending over at least part of the entire circumference of the insulating body is provided is the m fits the groove of the insulating body and at the same time engages in the position of use as a projection m the recesses of the contacts, and that the retaining ring carries at least one inwardly projecting retaining tongue, which in the position of use m a channel or opening extending inwards from the groove h engages and protrudes into the recess of the further contact located inside the imaginary cylinder and the hole or bore receiving it.
  • a one-piece and one-piece insulating body can be provided, with which corresponding holes or Bores for inserting the pin-like contacts are arranged, the projections fixing these contacts in the axial direction being formed by a common retaining ring which runs around a groove of the insulating body which intersects or slightly penetrates the holes or bores of the contacts, so that the m of these Groove located retaining ring m can engage the depressions of the contacts located at the same height.
  • a multipart structure of the insulating body or complex molded projections on the insulating body for axially fixing the contacts are avoided.
  • the retaining ring extends only over a pitch circle and its two free ends can be moved apart at least so far that their distance m this deformed state corresponds to the diameter of the insulating body in the region of the bottom of the groove.
  • the retaining ring is thus interrupted and has two free ends and can be bent open in such a way that, despite its function surrounding the insulating body m of the groove m in the position of use, it can first be plugged on from the side.
  • This retaining ring which can be bent open due to its elasticity, then snaps into the groove in the position of use in the groove due to the elasticity and the resulting restoring force and is thereby already fixed.
  • its elasticity also allows it to dodge something again when the contacts are inserted into their perforations, which the retaining ring engages somewhat.
  • the groove-like depressions running around the elongated contacts or contact pins are each delimited by a collar or the like projecting radially from the contact area and this collar has a bevel or a cone on the side facing away from the depression, who when inserting the Contact m runs its hole against the retaining ring and deflects it radially outwards until the recess of the contact m matches the groove of the insulating body, so that the retaining ring then automatically engages the recess of the contact, thus axially defining the contact. It follows from this that the actual contact area of the contact has a smaller cross section than this collar and the part of the contact which extends to the other side.
  • One of the contacts arranged on an imaginary cylinder can be designed as a ground contact and be released from the retaining ring, and this ground contact can engage the groove on the contact with the groove of the insulating body and engage the depression in the position of use m and, in particular, engage the contact latching with spring arms conductive retaining spring or the like can be fixed in the axial direction.
  • This arrangement is advantageous in several respects because such a connector generally requires a ground contact. The presence of this grounding contact is exploited so that the retaining ring only has to extend over part of the circumference of the insulating body, that is to say, it is correspondingly little to bend open during assembly, which reduces or avoids the risk of this retaining ring breaking during its assembly.
  • the holder of the ground contact namely a retaining spring, can also form the ground contact connection.
  • the free ends of the retaining ring are arranged in the position of use on both sides of the grounding contact at a distance from this.
  • the inwardly projecting retaining tongue which penetrates a corresponding opening or channel in the insulating body, ensures the exact and correct positioning of the retaining ring.
  • the retaining ring In the final position of use, the retaining ring is secured against unintentional bending by the sleeve accommodating the insulating body, which generally forms the connector housing.
  • the retaining spring for the ground contact can consist of metal or electrically conductive plastic and in particular have a bead or protrusion on the outside, which in the position of use the surface of the insulating body at least by the play of the insulating body relative to the sleeve and / or the play of the retaining spring in the groove of the insulating body protrudes.
  • Electrically conductive plastic can also be such a plastic, which is coated on the outside with metal or vapor-coated.
  • the retaining spring also protrudes slightly in the position of use over the surface of the insulating body, so that there is an electrical clamping contact for the grounding contact, as a rule, with the metallic sleeve, so that further measures for connecting the grounding contact are not required ,
  • the groove arranged on the insulating body proves to be advantageous because, in addition to the retaining ring, it can also easily accommodate the retaining spring for the ground contact and keep it in contact with the outer sleeve.
  • the cross-section of the retaining ring can approximately fill the cross-section of the groove in the position of use or at least the radial extension or width of the retaining ring can correspond to that of the groove and the sleeve receiving the insulating body can accordingly determine the position of use of the retaining ring.
  • the outer circumferential side of the retaining ring practically forms a continuation of the outer surface or circumferential surface of the insulating body, ie the retaining ring can be approximately flush with the surface of the insulating body in the position of use.
  • the already mentioned, radially inwardly projecting retaining tongue of the retaining ring can have a concave shape on its end face and can thereby be at least partially adapted to the peripheral shape of the contact to be held by it at the bottom of its depression.
  • the end face of the retaining tongue can thus have a concave curvature with the radius of curvature which corresponds to the radius of the contact within its depression, so that there is the largest possible contact surface between the retaining tongue and this contact and the contact is partially encompassed by this retaining tongue.
  • the area of the retaining tongue, which engages the recess of the contact and ensures the axial fixing, is correspondingly large.
  • the retaining ring can wrap more than 180 ° of the insulating body within the groove, which preferably surrounds the entire circumference thereof. Since the retaining ring does not have to run over the entire circumference, the groove does not necessarily have to run continuously, but this is expedient and simpler for production. Wrapping through more than 180 ° causes the retaining ring to allow the aforementioned automatic fixing to the insulating body before the outer sleeve encloses the arrangement and prevents and blocks the retaining ring from escaping from the groove of the insulating body. But it would also be conceivable to assemble the retaining ring from sections which are clamped in the groove and are finally fixed by the sleeve.
  • the free ends of the one-piece retaining ring can be bevelled against one another in such a way that they can be pushed on or
  • the sleeve enclosing the insulating body can consist of metal and form the housing of the plug, if necessary carry a thread on the outside. As a result, this sleeve receives a corresponding additional function in a manner known per se, by fixing the insulating body and the retaining ring and thus also the contacts on the inside and, on the other hand, interacting with the ground contact and, as a mounting part, a housing or a grip part or the like can be screwed in ,
  • the sleeve can have positioning projections or recesses on its inside and the insulating body can have deformations that match it, which define the preselected rotational position when the insulating body is inserted axially. As a result, the contact pins then receive their precise positioning relative to the sleeve.
  • an axial cut that is effective in the axial direction can be provided, behind which, seen in the insertion direction, at least one radially resilient or compressible latching tongue protruding from the insulating body in the radial direction fits and can be pivoted resiliently.
  • the axial position is automatically determined by such a latching tongue and no further measures for the axial fixing of the insulating body within the sleeve are necessary, although they would also be possible. In any case, the axial position of the insulating body within the sleeve is also predetermined and fixed.
  • the latching tongue which is elastically flexible or deformable in the radial direction, can be pivotable about a pivot axis running parallel to the central axis of the insulating body or the plug and can extend in the circumferential direction of the insulating body.
  • Locking tongues are often known which extend in the axial or insertion direction and can be pivoted about corresponding transverse axes. By arranging the latching tongue approximately in the circumferential direction, it can have a relatively large length and width and thus establish a large-area connection to the interior behind the sleeve cut of the sleeve.
  • the elastically deformable latching tongue can adjoin the groove with a side face and limit the groove, and the retaining ring or retaining spring can lock the elastically flexible latching tongue against axial deformation in the position of use. Since the latching tongue is flexible in the radial direction, a certain axial deformation cannot be completely ruled out with corresponding forces, but this is advantageously prevented by the retaining ring or retaining spring in the groove of the insulating body. This gives the retaining ring another one Function .
  • the latching tongue can have a latching projection on its outside, the radial extent of which is equal to or less than the deformation path of the latching tongue in the radial direction. This protrusion jumps behind the sleeve cutout when the sleeve is inserted and ensures the axial fixation.
  • the width of the retaining ring i.e. its radial dimension, is adapted to the radial distance of the outwardly facing surface of a contact or contact pin from the outside of the insulating body and that the width of the retaining ring is larger in the region of thin contact pins or contact sockets than in the area of thicker contact pins or contact sockets.
  • the width of the retaining ring can therefore vary in its circumference and can be adapted to how far the respective contact is located on the outer surface of the insulating body due to its own dimensions.
  • an electrical connector with which a one-piece insulating body can accommodate the large number of contact pins and this axial direction is fixed by a common retaining ring, although at least one of the contacts is arranged within an imaginary cylinder.
  • the basic shape of the insulating body is simple because no protrusions integrally formed on it are required to fix the contacts.
  • the individual parts used are easy to manufacture and the entire assembly is also simple and quick to carry out and yet effective and ensures an accurate position of the individual contacts within the connector housing and relative to each other.
  • FIG. 1 shows a perspective side view of the individual parts of a plug according to the invention even before they are assembled and assembled, that is to say in an "exploded view”,
  • FIG. 2 shows a representation corresponding to that of FIG
  • the sleeve serving as the housing
  • FIGS. 1 and 2 shows a representation corresponding to FIGS. 1 and 2 after the final assembly of the plug, that is to say after the introduction of the insulating body m provided with the contacts, the sleeve,
  • FIG. 4 shows a perspective top view of the insulating body provided with the contacts designed as pins, without the sleeve forming the plug housing,
  • FIG. 5 shows a modified embodiment corresponding to FIG. 4, in which the insulating body for receiving contacts designed as sockets is modified compared to FIG. 4, but for fixing the contacts in the same way as in the embodiment example according to FIGS. 1 to 4 is designed
  • Fig. 6 shows a top view of the insulating body shown in perspective
  • Fig. 7 shows a longitudinal section of the insulating body with it fixed contacts designed as pins according to line AA m Fig. 6,
  • FIG. 8 shows a cross section of the insulating body equipped with contacts along the section line B-B in FIG. 7, which runs through the retaining ring which defines the contacts in the axial direction,
  • FIG. 9 shows a cross section corresponding to FIG. 8 after inserting the insulating body provided with the contacts, the sleeve and
  • FIG. 1 and 2 m of individual parts has a sleeve 2 forming its housing and an insulating body 3 arranged and fixed in the position of use m of this sleeve 2, as well as elongated, pin-like contacts 4, which according to F ⁇ g.1 to 4 and 6 to 10 contact pins and according to Fig.5 can be contact sockets, in which the mating connector thus has pins.
  • the insulating body 3 contains holes or bores 6, with which the contacts 4, as will be described, are fixed by means of projections, which engage in groove-like depressions 7 located transversely to the longitudinal direction of the contacts 4, the holes or bores 6 with the elongated ones or pin-like contacts 4 according to FIGS. 4 and 5 or also according to FIGS. 9 and 10, for example on a cylinder intended concentrically to the center of the sleeve 2 or the insulating body 3 and thus m the same distance from the inside of the sleeve 2 or the outer or surface 3a of the Insulating body 3 are. It can also be seen from all of the exemplary embodiments that a further contact 41 is arranged inside the imaginary cylinder parallel to the other contacts 4 within a perforation or bore 6.
  • the latter has a groove 8 which runs on its outside 3a and is open to the outside and which covers the holes or bores 6 for the contacts 4 over part of their radial extent on the outside 3a thereof of the insulating body 3 facing side cuts. This can be seen, for example, in FIG. 1 and indirectly in FIGS. 7 through 10.
  • This groove 8 is arranged on the insulating body 3 m of the height or axial distance from its end faces, which are the recesses 7 of the contacts 4 in the position of use, so that the groove 8 after the insertion of the contacts 4 m practically their position of use groove-like depressions 4 continues.
  • the connector 1 also includes an insulating material existing, at least over a part of the entire circumference of the insulating body 3 locking or retaining ring 9, which m fits the groove 8 of the insulating body 3 and the position of use according to FIGS. 7 to 10 simultaneously engages the recesses 7 of the contacts 4 as the projection which m defines their position of use axially.
  • the retaining ring 9 can fix not only the contacts 4 arranged on the imaginary cylinder, but also the inside contact 41 m in the same way in the axial direction, the retaining ring 9 carries one in the exemplary embodiment - with several internal contacts, several could possibly also be provided - Radially inwardly projecting retaining tongue 10, which is integrally connected to it and the position of use engages a channel or opening 11 extending inwards from the groove 8 (see FIGS. 7 to 10) and until the recess 7 of the inside of the imaginary Cylinder located further contact 41 and the hole or bore 6 receiving this protrudes.
  • the retaining ring 9 with the aid of this retaining tongue 10 can not only fix the contacts 4 located on a common cylinder, but also an intermediate contact 41 m in the axial direction, so that no locking projections attached to the insulating body 3 itself are required for such an axial fixing are or the insulating body 3 would have to be divided.
  • the retaining ring 9 only extends over a pitch circle and that its two free ends 9a can thus be moved apart at least so far that their distance m deforms it State corresponds to the diameter of the insulating body 3 in the region of the bottom of the groove 8.
  • This deformed or bent state of the retaining ring 9 is not shown, but is easily imaginable, for example, using FIG. 8. there it is favorable that the retaining tongue 10 is located practically m in the middle between the free ends 9a of the retaining ring 9 and also m in the same plane as the rest of the ring course, so that it is practically formed on the neutral zone when the retaining ring 9 is bent open.
  • the groove-like depressions 7 located on the contacts 4 and 41 run completely around their circumference in the exemplary embodiment, so that the rotational position of the contacts 4 and 41 can be arbitrary during their assembly.
  • These recesses 7 are each delimited by a collar 12 which is radially opposite the contact region 4a, and this collar 12 has on the side facing away from the recess 7 a bevel or a cone 13 which 4 or 41 m counteracts its bore 6 when the respective contact is inserted the then already m the groove 8 located retaining ring 9 and deflects it radially outwards until the recess 7 of the contact 4 or 41 m coincides with the groove 8 of the insulating body 3, so that the retaining ring 9 then automatically m the recess 7 of the Contact 4 or 41 occurs.
  • one of the contacts arranged on an imaginary cylinder is designed as a ground contact 411 and is left free by the retaining ring 9 according to FIGS. 7 to 10.
  • This grounding contact 411 is provided with a groove 8 m which, in the exemplary embodiment and preferably encircling the entire circumference of the insulating body 3, engages the recess 7 on the grounding contact 411 in the position of use m and detects the grounding contact in particular with spring arms 15, and detects it with an electrically conductive retaining spring 14 m axially definable, whereby This retaining spring 14 thus fixes the grounding contact 411 m in the axial direction in an analogous manner, as does the retaining ring 9 for the other contacts 4 and 41, by making use of the fact that the circumferential groove 8 bores the bore 6 for the respective contact and thus also the grounding contact 411 cuts and the corresponding engagement m allows the recess 7 of this ground contact 411.
  • the free ends 9a of the retaining ring 9 use position are arranged on both sides of the earth contact 411 at a distance from this, that is, the earth contact 411 is provided where the position of use is the distance between the two free ends 9a of the retaining ring 9 is located. Since the earth contact has its own attachment, this is favorable for the overall arrangement and assembly.
  • the retaining spring 14 for the grounding contact 411 is made of metal or electrically conductive plastic and, according to FIGS. 4, 5 and 8 to 10, has a bead or projection 16 on its outside which, in the position of use, projects beyond the surface of the insulating body 3, at least for the game of the insulating body 3 relative to the sleeve 2 and also the game of the retaining spring 14 m of the groove 8 of the insulating body 3.
  • This projection 16 is so shaped and dimensioned that it m each case m mounting position under a certain pressure on the inside of the metal or existing electrically conductive material existing sleeve 2 and thus creates an electrical connection for grounding.
  • the retaining ring 9 fills the groove 8 at least with its width in the position of use, but can optionally also fill the groove 8 with its entire cross section and thereby be held securely in its position of use.
  • the retaining ring 9 closes with its outer circumference according to FIG. 7 flush with the outside or surface 3a of the insulating body 3, so that the sleeve 2 receiving the insulating body 3, which rests with its inside on the outside 3a of the insulating body 3m in the use position according to FIGS. 9 and 10, automatically defines the use position of the retaining ring 9. If the insulating body 3 with the contacts 4, 41 and 411 is inserted into the sleeve 2, all the parts serving to fix the contacts 4 are in turn automatically locked against unwanted opening.
  • Fig.1 is indicated and m the figures 8 to 10 that the radially from the circumferential center of the retaining ring 9 m inwardly protruding plane of the retaining tongue 10 formed concave on its end face and thereby the peripheral shape of the further contact to be held by it 41 is adapted to the bottom of the recess 7.
  • the retaining tongue 10 comprises the further contact 41 at the base of its recess 7 over a certain circumferential area, which results in a flat contact and a correspondingly large engagement area of the recess 7 and thus a good axial fixation.
  • the retaining ring 9 forms only part of a circular arm, but wraps around more than 180 ° of the insulating body 3 within the circumferential groove 8 on this in the exemplary embodiment in the exemplary embodiment, so that after insertion, the groove 8 and the resulting bending in the use position Because of the groove 8 also includes non-positively.
  • This shape and configuration thus results in a relatively secure fastening of the contacts 4 and 41, so that, according to FIG. 2, the contacts 4 and 41 can first be connected to the insulating body 3 having the retaining ring 9, after which these are made of the insulating body 3 and contacts 4, 41 and 411 existing unit m inserted the sleeve 2 and thereby the assembly can be completed.
  • the free ends 9a of the retaining ring 9 are chamfered towards one another in this way, in the exemplary embodiment with an approximately radial one Provide course that they form an insertion funnel to facilitate the pushing or pushing in the groove 8 of the insulating body 3.
  • the sleeve 2 enclosing the insulating body 3 m in the position of use expediently consists of metal, possibly of another relatively hard and solid, at least partially electrically conductive material and forms the housing of the plug 1. In the exemplary embodiment, it carries a thread 17 on its outside so that a Screwing in a corresponding counterpart is possible.
  • the sleeve 2 can have positioning projections or depressions (not shown in detail in the exemplary embodiment) and the insulating body 3 can have deformations 18 matching them, i.e. projections matching recesses or depressions matching the axial position of the insulating body 3, thereby defining its preselected rotational position later contacts 4, 41 and 411 receive a given orientation and positioning.
  • Corresponding deformations 18 on the insulating body 3 are indicated in FIGS. 4 and 5.
  • an area is also provided, which is arranged behind a cut in the axial direction, behind which, in the position of use, part of the insulating body 3 is arranged and secured against axial displacement. Seen in the insertion direction behind this notch, which is not shown in more detail, fits a radially resilient or compressible latching tongue 19 protruding from the insulating body 3 m in the radial direction, which can be pivoted resiliently and is clearly shown in FIGS. 1 and 2 and also in FIGS so that at the same time the position of the hip cutting within the sleeve 2 is also indicated and indicated.
  • this area m axial direction corresponds to the axial width of the latching tongue 19, so that after inserting the insulating body 3, the sleeve 2 the something below explained latching tongue 19 is held in a form-fitting manner between this outer boundary 20 and an analog inner boundary m in the axial direction.
  • the locking tongue 19 which is elastically flexible or deformable in the radial direction can be pivoted in the exemplary embodiment about a pivot axis running parallel to the central axis of the insulating body 3 or the plug 1 due to elastic deformation of the material and extends according to FIG. 1 m circumferential direction of the insulating body 3 deformable locking tongue 19 with its side face 22 facing away from the lower end face 21 of the insulating body 3 to the groove 8 and also limits this groove 8 over the circumferential area over which this locking tongue 19 extends.
  • both parts to a part to simultaneously lock the elastically flexible latching tongue 19 m in the use position against axial deformation which would possibly be possible if the Insulating body 3 would be loaded, for example, via the contacts 4 with respect to the sleeve 2 m in the axial direction, which can occur, for example, when plug 1 is plugged together with a counterpart or when it is pulled apart.
  • the latching tongue 19 is elastic for the latching, it could also be axially deflected somewhat in addition to its radial deformation under such axial loads, but this is prevented by the measures described.
  • the retaining ring 9 and / or the retaining spring 14 thus have an additional function in the axial securing of the insulating body 3 with respect to the sleeve 2.
  • the latching tongue 19 has on its outside a latching projection 23, the radial extent of which is equal to or smaller than the deformation path of the latching tongue 19 when it is pressed in in the radial direction, so that this latching projection 23 advances the interior of the envelope of the insulating body by pressing in the latching tongue 19m
  • the width of the retaining ring 9 that is to say its radial dimension, is adapted to the radial distance of the outwardly facing surface of a contact 4, contact pin or contact socket, from the outside 3a of the insulating body 3 is, that is, the radial width of the retaining ring 9 can be larger in the area of thinner contact pins or contact sockets according to FIG. 10 than in the area of thicker contact pins or contact sockets.
  • F g.9 shows an arrangement with a total of six contacts
  • FIG. 10 shows an arrangement with a total of eight contacts, in which four have a smaller cross section than the others.
  • the retaining ring 9 according to FIGS. 1 and 2 m snaps the groove 8 of the insulating body 3.
  • the retaining ring 9 is widened and displaced in the radial direction and then jumps into the groove-like depressions 7 of the contacts 4 when they are located in the same diameter plane as the groove 8.
  • the retaining spring 14 can then be inserted and snapped onto the ground contact 411 within the groove 8.
  • the insulating body 3 with the retaining ring 9, the retaining spring 14 and the contacts 4, 41 and 411 m is then inserted into the sleeve 2, which is designed as a metal housing, up to an internal stop.
  • the locking projection 23 of the locking tongue 19 of the insulating body 3 jumps a cut provided for this purpose, which is delimited on the outside by an edge 20 and which can preferably encompass the locking projection 23 on both sides in the axial direction.
  • the insulating body 3 m of the sleeve 2 is secured, as a result of which the retaining ring 9 and the retaining spring 14 are simultaneously secured and locked against a release movement, because the inner wall of the sleeve 2 on the outside 3a of the insulating body 3 and the retaining ring 9 flush therewith for contact is coming.
  • the bead or projection 16 which initially projects beyond the diameter of the insulating body 3, lies against the inner wall of the sleeve 2 and leads to a reliable contacting of the grounding contact 411.
  • Disassembly is also easily possible by removing the insulating body 3 from the sleeve 2 again, the locking tongue 19 being deformed radially inward with the aid of a tool and then the insulating body 3 being pressed axially out of the sleeve 2. It is helpful that the latching tongue 9 is not provided with the latching projection 23 over its entire outer surface, so that in addition to the locking projection 23 em tool can be inserted between the inside of the sleeve 2 and the locking tongue 19.
  • the retaining ring 9 and the retaining spring 14 can then be removed from the groove 8, after which the contacts 4, 41 and 411 can in turn be pushed out or pulled out of the bores 6 in the axial direction.
  • the plug 1 has an electrical contacts 4, 41 and 411, for example contact pins or contact sockets, axially extending bores 6 holding insulating body 3.
  • This has on its outside 3a an outwardly open groove 8, which the holes or bores 6 for the contacts 4th and 411 intersects part of their radial extent.
  • the groove 8 fits em retaining ring 9, the position of use engages simultaneously in the groove 4 provided on the contacts 4 groove-like recesses 7 and thereby defines the contacts in the axial direction.
  • the retaining ring 9 can also carry at least one retaining tongue 10, preferably projecting radially inward in its plane, which extends through a channel or opening 14 in the insulating body 3 m in the region of a further bore for a central contact 41 and engages its depression in the use position, so that this further contact 41 located outside the ring area is also axially fixed.

Abstract

A plug-in connector has an insulating body which holds electrical contacts, for example contact pins or contact tubes, in bores which extend in the axial direction. On its outside, the insulating body has a groove which opens outwardly and which intersects the holes or bores for the contacts over part of their radial extension. A retaining ring fits into the groove and in the working position, simultaneously engages in groove-like recesses provided on the contacts, thereby fixing the contacts in an axial direction. The retaining ring can also support at least one retaining tongue protruding preferably radially inwardly in the plane of the retaining ring. The retaining tongue extends into the area of a further bore for a middle contact through a channel or opening in the insulating body and in the working position, engages in the recess thereof so that this middle contact is also axially fixed.

Description

Stecker mit einer Hülse Plug with a sleeve
Die Erfindung betrifft einen Stecker mit einer Hülse und mit einem in Gebrauchsstellung in der Hülse angeordneten Isolierkörper sowie mit länglichen, stiftartigen Kontakten - Kontaktstiften oder Kontaktbuchsen - die in sie aufnehmenden Lochungen oder Bohrungen des Isolierkörpers m Gebrauchsstellung mittels Vorsprüngen fixiert sind, welche m quer zur Längserstreckungsrichtung der Kontakte an diesen befindliche nutenartige Vertiefungen eingreifen, wobei sich die Lochungen oder Bohrungen mit den länglichen Kontakten auf einem konzentrisch zur Mitte der Hülse oder des Isolierkörpers gedachten Zylinder und somit m gleichem Abstand von der Innenseite der Hülse oder der Oberfläche des Isolierkörpers befinden, wobei ein weiterer Kontakt im Inneren des gedachten Zylinders parallel zu den übrigen Kontakten innerhalb einer Lochung oder Bohrung angeordnet ist.The invention relates to a plug with a sleeve and with an insulating body arranged in the use position in the sleeve and with elongated, pin-like contacts - contact pins or contact sockets - the holes or bores of the insulating body m in the use position are fixed by means of projections, which m transversely to the longitudinal direction of the contacts on these located groove-like depressions, the holes or bores with the elongated contacts on a concentric to the center of the sleeve or the insulating body and thus m the same distance from the inside of the sleeve or the surface of the insulating body, a further contact inside the imaginary cylinder is arranged parallel to the other contacts within a hole or bore.
Derartige elektrische Stecker sind bekannt und haben sich bewährt, weil die Kontakte in axialer Richtung fixiert sind und gehalten werden, wenn der Stecker mit einem Gegenstück zusammengesteckt oder von diesem gelöst wird, was häufig mit einer Überwindung von Klemmkräften verbunden ist, durch welche die Kontakte m ihrer Längserstreckungsrichtung einer Kraft ausgesetzt werden.Such electrical plugs are known and have proven themselves because the contacts are fixed and held in the axial direction when the plug is plugged together with or released from a counterpart, which is often associated with overcoming clamping forces through which the contacts m be subjected to a force in their longitudinal direction.
Bisher ist dabei die gegenseitige Zuordnung der Vorsprünge zu den Vertiefungen an den Steckkontakten aufwendig. In vielen Fällen ist der Isolierkörper mehrteilig ausgebildet, um die Kontakte mit ihren Vertiefungen an entsprechenden Vorsprüngen innerhalb des Isolierkörpers festlegen zu können, wenn dieser zerlegt ist. Dies bedeutet, daß er anschließend zusammengefügt werden muß, so daß sowohl die Herstellung als auch die Montage als aufwendig anzusehen sind.So far, the mutual assignment of the projections to the depressions on the plug contacts has been complex. In many cases, the insulating body is designed in several parts in order to be able to fix the contacts with their depressions to corresponding projections within the insulating body when the latter is disassembled. This means that it must then be put together, so that both the manufacture and the assembly are considered to be complex.
Eine andere bekannte Lösung sieht einstückig mit dem Isolierkörper hergestellte Vorsprünge vor, die beim Einschieben der stiftartigen Kontakte zunächst ausweichen und dann in die Vertiefungen an den Kontakten einrasten können. Dies erfordert einen entsprechend elastischen Werkstoff und darüber hinaus sind aufwendige Formen zum Herstellen eines solchen Isolierkörpers erforderlich.Another known solution provides protrusions made in one piece with the insulating body, which when inserting the pin-like First dodge contacts and then snap into the recesses on the contacts. This requires a correspondingly elastic material and, moreover, complex shapes are required to produce such an insulating body.
Der Erfindung liegt die Aufgabe zugrunde, einen elektrischen Stecker der eingangs genannten Art zu schaffen, der m der Herstellung einfach ist und bei einer einteiligen Ausbildung des Isolierkörpers die Festlegung der Kontakte, seien es Kontaktstifte oder Kontaktbuchsen, mittels Vertiefungen und darin eingreifenden Vorsprüngen auf einfache Weise ermöglicht.The invention has for its object to provide an electrical connector of the type mentioned, m is simple to manufacture and with a one-piece design of the insulating body, the determination of the contacts, be it contact pins or contact sockets, by means of depressions and projections engaging therein in a simple manner allows.
Zur Lösung dieser Aufgabe ist der eingangs genannte Stecker dadurch gekennzeichnet, daß der Isolierkörper wenigstens eine an seiner Außenseite umlaufende und nach außen offene Nut hat, die die Lochungen oder Bohrungen für die Kontakte über einen Teil von deren radialer Ausdehnung an deren der Außenseite des Isolierkörpers zugewandten Seite schneidet oder durchdringt, und daß die Nut an dem Isolierkörper auf der Höhe angeordnet ist, auf welcher sich die Vertiefungen der Kontakte m Gebrauchsstellung befinden, daß ein aus isolierendem Werkstoff bestehender, wenigstens über einen Teil des Gesamtumfanges des Isolierkörpers reichender Rast- oder Haltering vorgesehen ist, der m die Nut des Isolierkörpers paßt und in Gebrauchsstellung gleichzeitig als Vorsprung m die Vertiefungen der Kontakte eingreift, und daß der Haltering wenigstens eine nach innen ragende Haltezunge trägt, die in Gebrauchsstellung m einen sich von der Nut aus nach innen erstreckenden Kanal oder Durchbruch eingreift und bis in die Vertiefung des im Inneren des gedachten Zylinders befindlichen weiteren Kontaktes und der diesen aufnehmenden Lochung oder Bohrung vorsteht .To achieve this object, the connector mentioned at the outset is characterized in that the insulating body has at least one circumferential and outwardly open groove on its outside, which has the perforations or bores for the contacts over a part of their radial extent facing the outside of the insulating body Side cuts or penetrates, and that the groove on the insulating body is arranged at the level at which the depressions of the contacts are in the position of use, that a locking or holding ring made of insulating material and extending over at least part of the entire circumference of the insulating body is provided is the m fits the groove of the insulating body and at the same time engages in the position of use as a projection m the recesses of the contacts, and that the retaining ring carries at least one inwardly projecting retaining tongue, which in the position of use m a channel or opening extending inwards from the groove h engages and protrudes into the recess of the further contact located inside the imaginary cylinder and the hole or bore receiving it.
Auf diese Weise kann ein einteiliger und einstückiger Isolierkörper vorgesehen werden, m welchem entsprechende Lochungen oder Bohrungen zum Einschieben der stiftartigen Kontakte angeordnet sind, wobei die diese Kontakte m axialer Richtung fixierenden Vorsprünge von einem gemeinsamen Haltering gebildet werden, der m einer Nut des Isolierkörpers umläuft, welche die Lochungen oder Bohrungen der Kontakte schneidet bzw. geringfügigdurchsetzt, so daß der m dieser Nut befindliche Haltering m die auf gleicher Höhe befindlichen Vertiefungen der Kontakte eingreifen kann. Eine Mehrteiligkeit des Isolierkörpers oder aufwendige angespritzte Vorsprünge an dem Isolierkörper zum axialen Festlegen der Kontakte werden vermieden.In this way, a one-piece and one-piece insulating body can be provided, with which corresponding holes or Bores for inserting the pin-like contacts are arranged, the projections fixing these contacts in the axial direction being formed by a common retaining ring which runs around a groove of the insulating body which intersects or slightly penetrates the holes or bores of the contacts, so that the m of these Groove located retaining ring m can engage the depressions of the contacts located at the same height. A multipart structure of the insulating body or complex molded projections on the insulating body for axially fixing the contacts are avoided.
Für eine einfache Montage ist es günstig, wenn der Haltering nur über einen Teilkreis verläuft und seine beiden freien Enden elastisch wenigstens so weit auseinanderbewegbar sind, daß ihr Abstand m diesem verformten Zustand dem Durchmesser des Isolierkörpers im Bereich des Bodens der Nut entspricht. Der Haltering ist also unterbrochen und hat zwei freie Enden und kann so aufgebogen werden, daß er trotz seiner den Isolierkörper m der Nut m Gebrauchsstellung umschließenden Funktion zunächst von der Seite her aufgesteckt werden kann. Dieser aufgrund seiner Elastizität aufbiegbare Haltering schnappt dann aufgrund der Elastizität und der daraus resultierenden Rückstellkraft m Gebrauchsstellung in die Nut ein und ist dadurch bereits festgelegt. Gleichzeitig ermöglicht seine Elastizität aber auch, daß er wieder etwas ausweicht, wenn die Kontakte in ihre Lochungen, m welche der Haltering etwas eingreift, eingeschoben werden.For simple assembly, it is advantageous if the retaining ring extends only over a pitch circle and its two free ends can be moved apart at least so far that their distance m this deformed state corresponds to the diameter of the insulating body in the region of the bottom of the groove. The retaining ring is thus interrupted and has two free ends and can be bent open in such a way that, despite its function surrounding the insulating body m of the groove m in the position of use, it can first be plugged on from the side. This retaining ring, which can be bent open due to its elasticity, then snaps into the groove in the position of use in the groove due to the elasticity and the resulting restoring force and is thereby already fixed. At the same time, its elasticity also allows it to dodge something again when the contacts are inserted into their perforations, which the retaining ring engages somewhat.
Dabei ist es zweckmäßig, wenn die an den länglichen Kontakten oder Kontaktstiften, insbesondere an deren Umfang umlaufenden nutenartigen Vertiefungen jeweils von einem gegenüber dem Kontaktbereich radial vorstehenden Bund oder dergleichen begrenzt sind und dieser Bund auf der der Vertiefung abgewandten Seite eine Schräge oder einen Konus aufweist, der beim Einschieben des Kontaktes m seine Bohrung gegen den Haltering anläuft und diesen radial nach außen auslenkt, bis die Vertiefung des Kontaktes m Übereinstimmung mit der Nut des Isolierkörpers ist, so daß der Haltering dann automatisch m die Vertiefung des Kontaktes einfällt, also den Kontakt axial festlegt. Daraus folgt, daß der eigentliche Kontaktbereich des Kontaktes einen geringeren Querschnitt als dieser Bund und der sich nach der anderen Seite erstreckende Teil des Kontaktes hat.It is expedient if the groove-like depressions running around the elongated contacts or contact pins, in particular on their circumference, are each delimited by a collar or the like projecting radially from the contact area and this collar has a bevel or a cone on the side facing away from the depression, who when inserting the Contact m runs its hole against the retaining ring and deflects it radially outwards until the recess of the contact m matches the groove of the insulating body, so that the retaining ring then automatically engages the recess of the contact, thus axially defining the contact. It follows from this that the actual contact area of the contact has a smaller cross section than this collar and the part of the contact which extends to the other side.
Einer der auf einem gedachten Zylinder angeordneten Kontakte kann als Erdungskontakt ausgebildet und von dem Haltering freigelassen sein und dieser Erdungskontakt kann mit einer m die Nut des Isolierkörpers passenden und m Gebrauchsstellung m die Vertiefung an dem Kontakt eingreifenden und den Kontakt dabei insbesondere mit Federarmen rastend erfassenden elektrisch leitenden Haltefeder oder dergleichen m axialer Richtung festlegbar sein. Diese Anordnung ist m mehrfacher Hinsicht vorteilhaft, weil ein solcher Stecker m aller Regel einen Erdungskontakt benötigt. Das Vorhandensein dieses Erdungskontaktes wird dazu ausgenutzt, daß der Haltering nur über einen Teil des Umfanges des Isolierkörpers verlaufen muß, also beim Montieren auch entsprechend wenig aufzubiegen ist, was die Gefahr eines Bruches dieses Halteringes bei seiner Montage vermindert oder vermeidet. Gleichzeitig ergibt sich eine zweckmäßige Lösung für die Befestigung des Erdungskontaktes, bei welcher das Vorhandensein der an dem Isolierkörper umlaufenden Nut entsprechend ausgenutzt werden kann. Dabei kann die Halterung des Erdungskontaktes, nämlich eine Haltefeder, auch gleich den Erdungskontaktanschluß bilden.One of the contacts arranged on an imaginary cylinder can be designed as a ground contact and be released from the retaining ring, and this ground contact can engage the groove on the contact with the groove of the insulating body and engage the depression in the position of use m and, in particular, engage the contact latching with spring arms conductive retaining spring or the like can be fixed in the axial direction. This arrangement is advantageous in several respects because such a connector generally requires a ground contact. The presence of this grounding contact is exploited so that the retaining ring only has to extend over part of the circumference of the insulating body, that is to say, it is correspondingly little to bend open during assembly, which reduces or avoids the risk of this retaining ring breaking during its assembly. At the same time, there is an expedient solution for fastening the grounding contact, in which the presence of the groove running around the insulating body can be appropriately exploited. The holder of the ground contact, namely a retaining spring, can also form the ground contact connection.
Insgesamt ergibt sich e ne Anordnung, bei welcher nicht nur eine einfache Fertigung, sondern auch eine sehr einfache und dennoch effektive Montage ermöglicht wird, indem der Haltering zunächst an dem Isolierkörper m dessen Nut eingelegt wird und dann die Kontakte m axialer Richtung m die Lochungen oder Bohrungen so eingeschoben werden, daß ihre eigentlichen Kontaktbereiche m Einsteckrichtung vorne liegen. Sie verdrängen dabei dann mit ihrem konischen Bereich oder Vorsprung den Haltering, der anschließend aber m ihre Vertiefung selbsttätig wieder einfällt und damit bereits die Befestigung bewirkt. Da der Haltering federelastisch ist, kann er ausweichen, bis beim axialen Einführen die Vertiefung des Kontaktes m diesen Bereich gelangt und der Haltering dann zurückfedern kann. Aufgrund der Elastizität des Halteringes sind also d e Kontaktstifte nach dem Einführen bereits gesichert , wobei dies auch für einen innenliegenden Kontaktstift gilt, der mit einem entsprechenden konischen Vorsprung oder Bereich an der radial nach innen weisenden Zunge des Halteringes angreift und diese radial nach außen verschieben kann, was aufgrund der Elastizität des Halteringes ebenfalls möglich ist.Overall, there is an arrangement in which not only simple manufacture, but also a very simple and yet effective assembly is made possible by first inserting the retaining ring on the insulating body whose groove and then the Contacts in the axial direction m the holes or bores are inserted so that their actual contact areas are in the direction of insertion. They then displace the retaining ring with their conical area or protrusion, which then, however, automatically re-engages their recess and thus already brings about the fastening. Since the retaining ring is resilient, it can deflect until the depression of the contact m reaches this area during axial insertion and the retaining ring can then spring back. Due to the elasticity of the retaining ring, de contact pins are already secured after insertion, this also applies to an internal contact pin which engages with a corresponding conical projection or area on the tongue of the retaining ring pointing radially inward and can move it radially outward, which is also possible due to the elasticity of the retaining ring.
Die freien Enden des Halteringes sind dabei m Gebrauchsstellung beidseits des Erdungskontaktes mit Abstand zu diesem angeordnet. Die nach innen ragende, einen entsprechenden Durchbruch oder Kanal des Isolierkörpers durchsetzende Haltezunge sorgt dabei für die genaue und richtige Positionierung des Halteringes.The free ends of the retaining ring are arranged in the position of use on both sides of the grounding contact at a distance from this. The inwardly projecting retaining tongue, which penetrates a corresponding opening or channel in the insulating body, ensures the exact and correct positioning of the retaining ring.
In der endgültigen Gebrauchslage ist dabei der Haltering gegen ein ungewolltes Aufbiegen durch die den Isolierkörper in sich aufnehmende Hülse, die m der Regel das Steckergehäuse bildet, gesichert .In the final position of use, the retaining ring is secured against unintentional bending by the sleeve accommodating the insulating body, which generally forms the connector housing.
Die Haltefeder für den Erdungskontakt kann aus Metall oder elektrisch leitendem Kunststoff bestehen und an ihrer Außenseite insbesondere einen Wulst oder Vorsprung haben, der m Gebrauchsstellung die Oberfläche des Isolierkörpers wenigstens um das Spiel des Isolierkörpers gegenüber der Hülse und/oder das Spiel der Haltefeder in der Nut des Isolierkörpers überragt. Elektrisch leitender Kunststoff kann dabei auch ein solcher Kunststoff se n, der außenseitig mit Metall beschichtet oder bedampft ist. Durch den Wulst oder Vorsprung ragt die Haltefeder auch m Gebrauchsstellung geringfügig über die Oberfläche des Isolierkörpers, so daß sich m edem Falle zu der m der Regel metallischen Hülse ein elektrischer Klemmkontakt für den Erdungskontakt ergibt, so daß es weiterer Maßnahmen zum Anschließen des Erdungskontaktes nicht bedarf. Somit erweist sich die an dem Isolierkörper angeordnete Nut als vorteilhaft, weil sie neben dem Haltering auch die Haltefeder für den Erdungskontakt auf einfache Weise aufnehmen und mit der äußeren Hülse m Kontakt halten kann.The retaining spring for the ground contact can consist of metal or electrically conductive plastic and in particular have a bead or protrusion on the outside, which in the position of use the surface of the insulating body at least by the play of the insulating body relative to the sleeve and / or the play of the retaining spring in the groove of the insulating body protrudes. Electrically conductive plastic can also be such a plastic, which is coated on the outside with metal or vapor-coated. Through the bead or projection, the retaining spring also protrudes slightly in the position of use over the surface of the insulating body, so that there is an electrical clamping contact for the grounding contact, as a rule, with the metallic sleeve, so that further measures for connecting the grounding contact are not required , Thus, the groove arranged on the insulating body proves to be advantageous because, in addition to the retaining ring, it can also easily accommodate the retaining spring for the ground contact and keep it in contact with the outer sleeve.
Der Querschnitt des Halteringes kann m Gebrauchsstellung den Querschnitt der Nut etwa ausfüllen oder wenigstens die radiale Erstreckung oder Breite des Halteringes kann der der Nut entsprechen und die den Isolierkörper aufnehmende Hülse kann die Gebrauchsstellung des Halteringes demgemäß festlegen. Praktisch bildet auf diese Weise die äußere Umfangsseite des Halteringes eine Fortsetzung der äußeren Oberfläche oder Umfangsflache des Isolierkörpers, das heißt der Haltering kann m Gebrauchsstellung etwa bündig mit der Oberfläche des Isolierkörpers sein.The cross-section of the retaining ring can approximately fill the cross-section of the groove in the position of use or at least the radial extension or width of the retaining ring can correspond to that of the groove and the sleeve receiving the insulating body can accordingly determine the position of use of the retaining ring. In this way, the outer circumferential side of the retaining ring practically forms a continuation of the outer surface or circumferential surface of the insulating body, ie the retaining ring can be approximately flush with the surface of the insulating body in the position of use.
Die schon erwähnte, radial nach innen vorstehende Haltezunge des Halteringes kann an ihrer Stirnseite konkav geformt und dadurch wenigstens teilweise an die Umfangsform des von ihr zu haltenden Kontaktes am Grund von dessen Vertiefung angepaßt sein. Die Stirnseite der Haltezunge kann also eine konkave Krümmung mit dem Krümmungsradius erhalten, der dem Radius des Kontaktes innerhalb seiner Vertiefung entspricht, so daß sich eine größtmögliche Berührfläche zwischen der Haltezunge und diesem Kontakt ergibt und der Kontakt von dieser Haltezunge teilweise umgriffen wird. Entsprechend groß ist auch der Bereich der Haltezunge, der m die Vertiefung des Kontaktes eingreift und für die axiale Festlegung sorgt. Der Haltering kann mehr als 180° des Isolierkörpers innerhalb der an diesem vorzugsweise am gesamten Umfang umlaufenden Nut umschlingen. Da der Haltering nicht über den gesamten Umfang verlaufen muß, braucht auch die Nut nicht unbedingt durchgängig umzulaufen, jedoch ist dies für die Fertigung zweckmäßig und einfacher. Eine Umschlingung um mehr als 180° bewirkt, daß der Haltering die schon erwähnte selbsttätige Festlegung an dem Isolierkörper erlaubt, bevor die äußere Hülse die Anordnung umschließt und ein Austreten des Halteringes aus der Nut des Isolierkörpers verhindert und sperrt. Denkbar wäre aber auch, den Haltering aus Teilstücken zusammenzusetzen, die m der Nut eingeklemmt sind und durch die Hülse endgültig fixiert werden.The already mentioned, radially inwardly projecting retaining tongue of the retaining ring can have a concave shape on its end face and can thereby be at least partially adapted to the peripheral shape of the contact to be held by it at the bottom of its depression. The end face of the retaining tongue can thus have a concave curvature with the radius of curvature which corresponds to the radius of the contact within its depression, so that there is the largest possible contact surface between the retaining tongue and this contact and the contact is partially encompassed by this retaining tongue. The area of the retaining tongue, which engages the recess of the contact and ensures the axial fixing, is correspondingly large. The retaining ring can wrap more than 180 ° of the insulating body within the groove, which preferably surrounds the entire circumference thereof. Since the retaining ring does not have to run over the entire circumference, the groove does not necessarily have to run continuously, but this is expedient and simpler for production. Wrapping through more than 180 ° causes the retaining ring to allow the aforementioned automatic fixing to the insulating body before the outer sleeve encloses the arrangement and prevents and blocks the retaining ring from escaping from the groove of the insulating body. But it would also be conceivable to assemble the retaining ring from sections which are clamped in the groove and are finally fixed by the sleeve.
Die freien Enden des einstückigen Halteringes können gegeneinander derart abgeschrägt sein, daß sie einen das Aufschieben oderThe free ends of the one-piece retaining ring can be bevelled against one another in such a way that they can be pushed on or
Einschieben in die Nut des Isolierkörpers erleichterndenTo facilitate insertion into the groove of the insulating body
Einführtrichter bilden. Dies erleichtert wiederum die Montage.Form insertion funnel. This in turn makes assembly easier.
Die den Isolierkörper umschließende Hülse kann aus Metall bestehen und das Gehäuse des Steckers bilden, gegebenenfalls außenseitig ein Gewinde tragen. Dadurch erhält diese Hülse in an sich bekannter Weise eine entsprechende Zusatzfunktion, indem sie einerseits n ihrem Inneren den Isolierkörper und den Haltering und damit auch die Kontakte festlegt und andererseits mit dem Erdungskontakt zusammenwirkt und als Montageteil m ein Gehäuse oder einen Griffteil oder dergleichen eingeschraubt werden kann.The sleeve enclosing the insulating body can consist of metal and form the housing of the plug, if necessary carry a thread on the outside. As a result, this sleeve receives a corresponding additional function in a manner known per se, by fixing the insulating body and the retaining ring and thus also the contacts on the inside and, on the other hand, interacting with the ground contact and, as a mounting part, a housing or a grip part or the like can be screwed in ,
Die Hülse kann an ihrer Innenseite Positioniervorsprünge oder -Vertiefungen und der Isolierkörper damit zusammenpassende Verformungen aufweisen, die beim axialen Einsetzendes Isolierkörpers dessen vorgewählte Drehposition festlegen. Dadurch erhalten dann gleichzeitig die Kontaktstifte ihre lagegenaue Positionierung relativ zu der Hülse. Im Inneren der Hülse kann eine m axialer Richtung wirksame Hmterschneidung vorgesehen sein, hinter welcher m Einsteck- richtung gesehen wenigstens eine an dem Isolierkörper m radialer Richtung vorstehende, radial nachgiebige oder eindrückbare Rastzunge paßt, die federelastisch verschwenkbar ist. Wird der Isolierkörper axial m die Hülse eingeführt, wird durch eine solche Rastzunge die axiale Lage automatisch festgelegt und es sind keine weiteren Maßnahmen für die axiale Fixierung des Isolierkörpers innerhalb der Hülse erforderlich, obwohl sie zusätzlich möglich wären. Auf jeden Fall wird dadurch auch die axiale Position des Isolierkörpers innerhalb der Hülse vorgegeben und festgelegt.The sleeve can have positioning projections or recesses on its inside and the insulating body can have deformations that match it, which define the preselected rotational position when the insulating body is inserted axially. As a result, the contact pins then receive their precise positioning relative to the sleeve. In the interior of the sleeve, an axial cut that is effective in the axial direction can be provided, behind which, seen in the insertion direction, at least one radially resilient or compressible latching tongue protruding from the insulating body in the radial direction fits and can be pivoted resiliently. If the insulating body is inserted axially into the sleeve, the axial position is automatically determined by such a latching tongue and no further measures for the axial fixing of the insulating body within the sleeve are necessary, although they would also be possible. In any case, the axial position of the insulating body within the sleeve is also predetermined and fixed.
Die in radialer Richtung elastisch nachgiebige oder verformbare Rastzunge kann dabei um eine parallel zur Mittelachse des Isolierkörpers oder des Steckers verlaufende Schwenkachse verschwenkbar sein und sich m Umfangsrichtung des Isolierkörpers erstrecken. Häufig sind Rastzungen bekannt, die sich m axialer oder Einsteckrichtung erstrecken und um entsprechend querver- laufende Achsen schwenkbar sind. Durch eine Anordnung der Rastzunge etwa m Umfangsrichtung kann sie eine relativ große Länge und auch Breite erhalten und damit eine großflächige Verbindung zu dem Inneren hinter der Hmterschneidung der Hülse herstellen.The latching tongue, which is elastically flexible or deformable in the radial direction, can be pivotable about a pivot axis running parallel to the central axis of the insulating body or the plug and can extend in the circumferential direction of the insulating body. Locking tongues are often known which extend in the axial or insertion direction and can be pivoted about corresponding transverse axes. By arranging the latching tongue approximately in the circumferential direction, it can have a relatively large length and width and thus establish a large-area connection to the interior behind the sleeve cut of the sleeve.
Dabei kann die elastisch verformbare Rastzunge mit einer Seitenfläche an die Nut angrenzen und die Nut begrenzen und der Haltering oder die Haltefeder können m Gebrauchsstellung die elastisch nachgiebige Rastzunge gegen eine axiale Verformung sperren. Da die Rastzunge m radialer Richtung nachgiebig ist, ist bei entsprechenden Kräften eine gewisse axiale Verformung nicht ganz auszuschließen, die aber m vorteilhafter Weise durch den Haltering oder die Haltefeder m der Nut des Isolierkörpers verhindert wird. Dadurch erhält der Haltering eine weitere Funkt ion .The elastically deformable latching tongue can adjoin the groove with a side face and limit the groove, and the retaining ring or retaining spring can lock the elastically flexible latching tongue against axial deformation in the position of use. Since the latching tongue is flexible in the radial direction, a certain axial deformation cannot be completely ruled out with corresponding forces, but this is advantageously prevented by the retaining ring or retaining spring in the groove of the insulating body. This gives the retaining ring another one Function .
Die Rastzunge kann an ihrer Außenseite einen Rastvorsprung haben, dessen radiale Ausdehnung gleich oder kleiner als der Verformungs- weg der Rastzunge m radialer Richtung ist. Dieser Vorsprung springt beim Einschieben m die Hülse hinter die schon erwähnte Hmterschneidung und sorgt für die axiale Festlegung.The latching tongue can have a latching projection on its outside, the radial extent of which is equal to or less than the deformation path of the latching tongue in the radial direction. This protrusion jumps behind the sleeve cutout when the sleeve is inserted and ensures the axial fixation.
Es sei noch erwähnt, daß die Breite des Halteringes, also seine radiale Abmessung, auf den radialen Abstand der nach außen weisenden Oberfläche eines Kontaktes oder Kontaktstiftes von der Außenseite des Isolierkörpers angepaßt ist und daß die Breite des Halteringes im Bereich von dünnen Kontaktstiften oder Kontaktbuchsen größer als im Bereich von dickeren Kontaktstiften oder Kontaktbuchsen ist. Der Haltering kann also hinsichtlich seiner Breite in seinem Umfang unterschiedlich gestaltet und daran angepaßt sein, wie weit der jeweilige Kontakt aufgrund seiner eigenen Abmessung von der äußeren Oberfläche des Isolierkörpers entfernt ist.It should also be mentioned that the width of the retaining ring, i.e. its radial dimension, is adapted to the radial distance of the outwardly facing surface of a contact or contact pin from the outside of the insulating body and that the width of the retaining ring is larger in the region of thin contact pins or contact sockets than in the area of thicker contact pins or contact sockets. The width of the retaining ring can therefore vary in its circumference and can be adapted to how far the respective contact is located on the outer surface of the insulating body due to its own dimensions.
Insgesamt ergibt sich ein elektrischer Stecker, m welchem ein einstückig gefertigter Isolierkörper die Kontaktstifte großer Anzahl aufnehmen kann und diese axialer Richtung von einem gemeinsamen Haltering fixiert werden, obwohl wenigstens einer der Kontakte innerhalb eines gedachten Zylinders angeordnet ist. Dabei ist die Grundform des Isolierkörpers einfach, weil keine einstückig an ihm angeformten Vorsprünge zum Festlegen der Kontakte erforderlich sind. Die verwendeten Einzelteile sind einfach herstellbar und die gesamte Montage ist ebenfalls einfach und schnell durchführbar und dabei dennoch effektiv und sorgt für eine genaue Lage der einzelnen Kontakte innerhalb des Steckergehäuses und relativ zueinander.Overall, there is an electrical connector, with which a one-piece insulating body can accommodate the large number of contact pins and this axial direction is fixed by a common retaining ring, although at least one of the contacts is arranged within an imaginary cylinder. The basic shape of the insulating body is simple because no protrusions integrally formed on it are required to fix the contacts. The individual parts used are easy to manufacture and the entire assembly is also simple and quick to carry out and yet effective and ensures an accurate position of the individual contacts within the connector housing and relative to each other.
Nachstehend sind Ausführungsbeispiele der Erfindung anhand der Zeichnung näher beschrieben. Es zeigt m zum Teil schematisierter Darstellung:Below are exemplary embodiments of the invention based on the Drawing described in more detail. It shows m partly schematic representation:
Fιg.1 eine perspektivische Seitenansicht der Einzelteile eines erfindungsgemäßen Steckers noch vor dem Zusammenfügen und Montieren, also m einer "Explosior-s- darstellung" ,FIG. 1 shows a perspective side view of the individual parts of a plug according to the invention even before they are assembled and assembled, that is to say in an "exploded view",
Fig.2 eine der Fιg.1 entsprechende Darstellung nach dem2 shows a representation corresponding to that of FIG
Zusammenfügen der diesem Falle als Stifte ausgebildeten Kontakte mit dem Isolierkörper noch vor dessen Einschieben die als Gehäuse dienende Hülse,Joining the contacts, which are designed as pins in this case, to the insulating body before it is inserted, the sleeve serving as the housing,
Fig.3 eine den Figuren 1 und 2 entsprechende Darstellung nach der endgültigen Montage des Steckers, das heißt nach dem Einbringen des mit den Kontakten versehenen Isolierkörpers m die Hülse,3 shows a representation corresponding to FIGS. 1 and 2 after the final assembly of the plug, that is to say after the introduction of the insulating body m provided with the contacts, the sleeve,
Fig.4 eine perspektivische Draufsicht des mit den als Stifte ausgebildeten Kontakten versehenen Isolierkörpers nach ohne die das Steckergehäuse bildende Hülse,4 shows a perspective top view of the insulating body provided with the contacts designed as pins, without the sleeve forming the plug housing,
Fig.5 eine der Fig.4 entsprechende abgewandelte Ausführungs- form, bei welcher der Isolierkörper zur Aufnahme von als Buchsen ausgebildeten Kontakten gegenüber Fig.4 abgewandelt ausgebildet ist, aber zur Festlegung der Kontakte gleicher Weise wie im Ausführungsbeisp el nach den Figuren 1 bis 4 gestaltet ist,5 shows a modified embodiment corresponding to FIG. 4, in which the insulating body for receiving contacts designed as sockets is modified compared to FIG. 4, but for fixing the contacts in the same way as in the embodiment example according to FIGS. 1 to 4 is designed
Fig . 6 eine Draufsicht des Fig.4 perspektivisch dargestellten Isolierkörpers ,Fig. 6 shows a top view of the insulating body shown in perspective,
Fig . 7 einen Längsschnitt des Isolierkörpers mit daran befestigten, als Stifte ausgebildeten Kontakten gemäß der Linie A-A m Fig.6,Fig. 7 shows a longitudinal section of the insulating body with it fixed contacts designed as pins according to line AA m Fig. 6,
Fig.8 einen Querschnitt des mit Kontakten bestückten Isolierkörpers gemäß der Schnittlinie B-B m Fig.7, die durch den die Kontakte axialer Richtung festlegenden Haltering verläuft,8 shows a cross section of the insulating body equipped with contacts along the section line B-B in FIG. 7, which runs through the retaining ring which defines the contacts in the axial direction,
Fig.9 einen der Fig.8 entsprechenden Querschnitt nach dem Einfügen des mit den Kontakten versehenen Isolierkörpers m die Hülse sowie9 shows a cross section corresponding to FIG. 8 after inserting the insulating body provided with the contacts, the sleeve and
Fig.10 einen der Fig.9 entsprechenden Querschnitt durch einen10 a cross section corresponding to FIG. 9 through a
Stecker mit acht Kontakten, wobei vier Kontakte einen geringeren Querschnitt und Durchmesser als die übrigenConnector with eight contacts, with four contacts having a smaller cross section and diameter than the rest
Kontakte und als die Kontakte gemäß Fig.9 haben und der Haltering demgemäß hinsichtlich seiner Breite unterschiedliche Bereiche aufweist.9 and have the contacts according to FIG. 9 and the retaining ring accordingly has different areas with regard to its width.
Bei den nachfolgend beschriebenen Ausführungsbeispielen eines elektrischen Steckers 1 haben ihrer Funktion übereinstimmende Teile auch bei etwas abgewandelter Gestaltung übereinstimmende Bezugszahlen.In the exemplary embodiments of an electrical connector 1 described below, their functionally identical parts have the same reference numbers even with a somewhat modified design.
Der in Fig.3 in seinem Endzustand, Fιg.1 und 2 m Einzelteilen dargestellte Stecker 1 weist e ne sein Gehäuse bildende Hülse 2 und einen in Gebrauchsstellung m dieser Hülse 2 angeordneten und fixierten Isolierkörper 3 sowie längliche, stiftartige Kontakte 4 auf, die gemäß Fιg.1 bis 4 und 6 bis 10 Kontaktstifte und gemäß Fig.5 Kontakt-Buchsen sein können, bei denen also der Gegenstecker Stifte aufweist.The connector 1 shown in FIG. 3 in its final state, FIG. 1 and 2 m of individual parts has a sleeve 2 forming its housing and an insulating body 3 arranged and fixed in the position of use m of this sleeve 2, as well as elongated, pin-like contacts 4, which according to Fιg.1 to 4 and 6 to 10 contact pins and according to Fig.5 can be contact sockets, in which the mating connector thus has pins.
An diese Kontakte 4 werden vor oder nach der Montage, gemäß Fιg.1 bis 3 vor der Montage Kabel oder Litzen 5 angeschlossen, zum Beispiel angelötet .At these contacts 4 before or after assembly, according to Fig. 1 to 3 cables or strands 5 connected before assembly, for example soldered.
Der Isolierkörper 3 enthält Lochungen oder Bohrungen 6, m welchen die Kontakte 4 noch zu beschreibender Weise mittels Vorsprüngen fixiert werden, welche m quer zur Längserstreckungsrichtung der Kontakte 4 an diesen befindliche, nutenartige Vertiefungen 7 eingreifen, wobei sich die Lochungen oder Bohrungen 6 mit den länglichen oder stiftartigen Kontakten 4 gemäß Fig.4 und 5 oder auch gemäß Fig.9 und 10 etwa auf einem konzentrisch zur Mitte der Hülse 2 oder des Isolierkörpers 3 gedachten Zylinder und somit m gleichem Abstand von der Innenseite der Hülse 2 oder der Außenoder Oberfläche 3a des Isolierkörpers 3 befinden. Dabei erkennt man ferner allen Ausführungsbeispielen, daß ein weiterer Kontakt 41 im Inneren des gedachten Zylinders parallel zu den übrigen Kontakten 4 innerhalb einer Lochung oder Bohrung 6 angeordnet ist .The insulating body 3 contains holes or bores 6, with which the contacts 4, as will be described, are fixed by means of projections, which engage in groove-like depressions 7 located transversely to the longitudinal direction of the contacts 4, the holes or bores 6 with the elongated ones or pin-like contacts 4 according to FIGS. 4 and 5 or also according to FIGS. 9 and 10, for example on a cylinder intended concentrically to the center of the sleeve 2 or the insulating body 3 and thus m the same distance from the inside of the sleeve 2 or the outer or surface 3a of the Insulating body 3 are. It can also be seen from all of the exemplary embodiments that a further contact 41 is arranged inside the imaginary cylinder parallel to the other contacts 4 within a perforation or bore 6.
Für die axiale Fixierung der Kontakte 4 und 41 innerhalb des Isolierkörpers 3 hat dieser eine an seiner Außenseite 3a verlaufende und nach außen offene Nut 8, die die Lochungen oder Bohrungen 6 für die Kontakte 4 über einen Teil von deren radialer Ausdehnung an deren der Außenseite 3a des Isolierkörpers 3 zugewandten Seite schneidet. Man erkennt dies beispielsweise Fιg.1 und indirekt m den Figuren 7 b s 10.For the axial fixation of the contacts 4 and 41 within the insulating body 3, the latter has a groove 8 which runs on its outside 3a and is open to the outside and which covers the holes or bores 6 for the contacts 4 over part of their radial extent on the outside 3a thereof of the insulating body 3 facing side cuts. This can be seen, for example, in FIG. 1 and indirectly in FIGS. 7 through 10.
Diese Nut 8 ist an dem Isolierkörper 3 m der Höhe oder axialen Entfernung von seinen Stirnseiten angeordnet, m welcher sich die Vertiefungen 7 der Kontakte 4 in Gebrauchsstellung befinden, so daß sich die Nut 8 nach dem Einfügen der Kontakte 4 m ihre Gebrauchsstellung praktisch m deren nutenartigen Vertiefungen 4 fortsetzt.This groove 8 is arranged on the insulating body 3 m of the height or axial distance from its end faces, which are the recesses 7 of the contacts 4 in the position of use, so that the groove 8 after the insertion of the contacts 4 m practically their position of use groove-like depressions 4 continues.
Zu dem Stecker 1 gehört außerdem ein aus isolierendem Werkstoff bestehender, wenigstens über einen Teil des Gesamtumfanges des Isolierkörpers 3 reichender Rast- oder Haltering 9, der m die Nut 8 des Isolierkörpers 3 paßt und Gebrauchsstellung gemäß den Figuren 7 bis 10 gleichzeitig als derjenige Vorsprung die Vertiefungen 7 der Kontakte 4 eingreift, der diese m ihrer Gebrauchslage axial festlegt.The connector 1 also includes an insulating material existing, at least over a part of the entire circumference of the insulating body 3 locking or retaining ring 9, which m fits the groove 8 of the insulating body 3 and the position of use according to FIGS. 7 to 10 simultaneously engages the recesses 7 of the contacts 4 as the projection which m defines their position of use axially.
Damit dieser Haltering 9 nicht nur die auf dem gedachten Zylinder angeordneten Kontakte 4, sondern auch den im Inneren befindlichen Kontakt 41 m gleicher Weise m axialer Richtung festlegen kann, trägt der Haltering 9 im Ausführungsbeispiel eine - bei mehreren inneren Kontakten könnten eventuell auch mehrere vorgesehen sein - radial nach innen ragende Haltezunge 10, die mit ihm einstückig verbunden ist und Gebrauchsstellung einen sich von der Nut 8 aus nach innen erstreckenden Kanal oder Durchbruch 11 eingreift (vgl. Fig.7 bis 10) und bis die Vertiefung 7 des im Inneren des gedachten Zylinders befindlichen weiteren Kontaktes 41 und der diesen aufnehmenden Lochung oder Bohrung 6 vorsteht. Somit kann der Haltering 9 mit Hilfe dieser Haltezunge 10 nicht nur die auf einem gemeinsamen Zylinder befindlichen Kontakte 4, sondern auch einen dazwischen befindlichen weiteren Kontakt 41 m axialer Richtung festlegen, so daß für eine solche axiale Festlegung keine an dem Isolierkörper 3 selbst angebrachten Rastvorsprünge erforderlich sind oder der Isolierkörper 3 geteilt werden müßte.So that this retaining ring 9 can fix not only the contacts 4 arranged on the imaginary cylinder, but also the inside contact 41 m in the same way in the axial direction, the retaining ring 9 carries one in the exemplary embodiment - with several internal contacts, several could possibly also be provided - Radially inwardly projecting retaining tongue 10, which is integrally connected to it and the position of use engages a channel or opening 11 extending inwards from the groove 8 (see FIGS. 7 to 10) and until the recess 7 of the inside of the imaginary Cylinder located further contact 41 and the hole or bore 6 receiving this protrudes. Thus, the retaining ring 9 with the aid of this retaining tongue 10 can not only fix the contacts 4 located on a common cylinder, but also an intermediate contact 41 m in the axial direction, so that no locking projections attached to the insulating body 3 itself are required for such an axial fixing are or the insulating body 3 would have to be divided.
Dabei erkennt man in mehreren Figuren, besonders deutlich Fιg.1 und auch m Fig.8 bis 10, daß der Haltering 9 nur über einen Teilkreis verläuft und seine beiden freien Enden 9a also elastisch wenigstens so weit auseinanderbewegbar sind, daß ihr Abstand m diesem verformten Zustand dem Durchmesser des Isolierkörpers 3 im Bereich des Bodens der Nut 8 entspricht . Dieser verformte oder aufgebogene Zustand des Halteringes 9 ist nicht dargestellt, jedoch beispielsweise anhand der Fig.8 leicht vorstellbar. Dabei ist günstig, daß sich die Haltezunge 10 praktisch m der Mitte zwischen den freien Enden 9a des Halteringes 9 und außerdem m derselben Ebene wie der übrige Ringverlauf befindet, so daß sie praktisch an der beim Aufbiegen des Halteringes 9 neutralen Zone angeformt ist.It can be seen in several figures, particularly clearly FIG. 1 and also m FIGS. 8 to 10, that the retaining ring 9 only extends over a pitch circle and that its two free ends 9a can thus be moved apart at least so far that their distance m deforms it State corresponds to the diameter of the insulating body 3 in the region of the bottom of the groove 8. This deformed or bent state of the retaining ring 9 is not shown, but is easily imaginable, for example, using FIG. 8. there it is favorable that the retaining tongue 10 is located practically m in the middle between the free ends 9a of the retaining ring 9 and also m in the same plane as the rest of the ring course, so that it is practically formed on the neutral zone when the retaining ring 9 is bent open.
Die an den Kontakten 4 und 41 befindlichen nutartigen Vertiefungen 7 laufen im Ausführungsbeispiel an deren Umfang vollständig um, so daß die Drehposition der Kontakte 4 und 41 bei ihrer Montage beliebig sein kann. Dabei werden diese Vertiefungen 7 jeweils von einem gegenüber dem Kontaktbereich 4a radial verstehenden Bund 12 begrenzt und dieser Bund 12 hat auf der der Vertiefung 7 abgewandten Seite eine Schräge oder einen Konus 13 , der beim Einschieben des jeweiligen Kontaktes 4 oder 41 m seine Bohrung 6 gegen den dann schon m der Nut 8 befindlichen Haltering 9 anläuft und diesen radial nach außen auslenkt, bis die Vertiefung 7 des Kontaktes 4 oder 41 m Übereinstimmung mit der Nut 8 des Isolierkörpers 3 ist, so daß der Haltering 9 dann automatisch m die Vertiefung 7 des Kontaktes 4 oder 41 einfällt. Es ergibt sich also eine sehr einfache Montage der Kontakte 4 innerhalb des Isolierkörpers 3, welchen zunächst der Haltering 9 eingesetzt wird, wonach die Kontakte 4 einfach m ihre Bohrungen 6 eingeschoben werden können, um mit dem Haltering 9 eine axiale Schnappverbindung zu bilden.The groove-like depressions 7 located on the contacts 4 and 41 run completely around their circumference in the exemplary embodiment, so that the rotational position of the contacts 4 and 41 can be arbitrary during their assembly. These recesses 7 are each delimited by a collar 12 which is radially opposite the contact region 4a, and this collar 12 has on the side facing away from the recess 7 a bevel or a cone 13 which 4 or 41 m counteracts its bore 6 when the respective contact is inserted the then already m the groove 8 located retaining ring 9 and deflects it radially outwards until the recess 7 of the contact 4 or 41 m coincides with the groove 8 of the insulating body 3, so that the retaining ring 9 then automatically m the recess 7 of the Contact 4 or 41 occurs. This results in a very simple assembly of the contacts 4 within the insulating body 3, to which the retaining ring 9 is first inserted, after which the contacts 4 can simply be inserted into their bores 6 in order to form an axial snap connection with the retaining ring 9.
Im Ausführungsbeispiel ist einer der auf einem gedachten Zylinder angeordneten Kontakte als Erdungskontakt 411 ausgebildet und von dem Haltering 9 gemäß Fig.7 bis 10 freigelassen. Dieser Erdungskontakt 411 ist mit einer m die im Ausführungsbeispiel und bevorzugt am gesamten Umfang des Isolierkörpers 3 umlaufenden Nut 8 passenden und in Gebrauchsstellung m die Vertiefung 7 an dem Erdungskontakt 411 eingreifenden und den Erdungskontakt dabei insbesondere mit Federarmen 15 rastend erfassenden, elektrisch leitenden Haltefeder 14 m axialer Richtung festlegbar, wobei diese Haltefeder 14 also den Erdungskontakt 411 m analoger Weise in axialer Richtung fixiert, wie dies der Haltering 9 bei den übrigen Kontakten 4 und 41 tut, indem ausgenutzt wird, daß die umlaufende Nut 8 die Bohrung 6 für den jeweiligen Kontakt und damit auch den Erdungkontakt 411 schneidet und den entsprechenden Eingriff m die Vertiefung 7 dieses Erdungskontaktes 411 ermöglicht .In the exemplary embodiment, one of the contacts arranged on an imaginary cylinder is designed as a ground contact 411 and is left free by the retaining ring 9 according to FIGS. 7 to 10. This grounding contact 411 is provided with a groove 8 m which, in the exemplary embodiment and preferably encircling the entire circumference of the insulating body 3, engages the recess 7 on the grounding contact 411 in the position of use m and detects the grounding contact in particular with spring arms 15, and detects it with an electrically conductive retaining spring 14 m axially definable, whereby This retaining spring 14 thus fixes the grounding contact 411 m in the axial direction in an analogous manner, as does the retaining ring 9 for the other contacts 4 and 41, by making use of the fact that the circumferential groove 8 bores the bore 6 for the respective contact and thus also the grounding contact 411 cuts and the corresponding engagement m allows the recess 7 of this ground contact 411.
Beispielsweise anhand der Figuren 8 bis 10 erkennt man dabei, daß die freien Enden 9a des Halteringes 9 Gebrauchsstellung beidseits des Erdungskontaktes 411 mit Abstand zu diesem angeordnet sind, das heißt der Erdungskontakt 411 ist dort vorgesehen, wo sich Gebrauchsstellung der Abstand zwischen den beiden freien Enden 9a des Halteringes 9 befindet. Da der Erdungskontakt eine eigene Befestigung hat, ist dies für die Gesamtanordnung und die Montage günstig.For example, with reference to Figures 8 to 10, it can be seen that the free ends 9a of the retaining ring 9 use position are arranged on both sides of the earth contact 411 at a distance from this, that is, the earth contact 411 is provided where the position of use is the distance between the two free ends 9a of the retaining ring 9 is located. Since the earth contact has its own attachment, this is favorable for the overall arrangement and assembly.
Die Haltefeder 14 für den Erdungskontakt 411 besteht aus Metall oder elektrisch leitendem Kunststoff und hat gemäß Fig.4, 5 sowie 8 bis 10 an ihrer Außenseite einen Wulst oder Vorsprung 16, der m Gebrauchsstellung die Oberfläche des Isolierkörpers 3 überragt und zwar wenigstens um das Spiel des Isolierkörpers 3 gegenüber der Hülse 2 und auch das Spiel der Haltefeder 14 m der Nut 8 des Isolierkörpers 3. Dieser Vorsprung 16 ist also so geformt und bemessen, daß er m jedem Falle m Montagestellung unter einem gewissen Druck an der Innenseite der aus Metall oder elektrisch leitendem Werkstoff bestehenden Hülse 2 anliegt und somit eine elektrische Verbindung für die Erdung herstellt.The retaining spring 14 for the grounding contact 411 is made of metal or electrically conductive plastic and, according to FIGS. 4, 5 and 8 to 10, has a bead or projection 16 on its outside which, in the position of use, projects beyond the surface of the insulating body 3, at least for the game of the insulating body 3 relative to the sleeve 2 and also the game of the retaining spring 14 m of the groove 8 of the insulating body 3. This projection 16 is so shaped and dimensioned that it m each case m mounting position under a certain pressure on the inside of the metal or existing electrically conductive material existing sleeve 2 and thus creates an electrical connection for grounding.
Der Haltering 9 füllt Gebrauchsstellung zumindest mit seiner Breite die Nut 8 aus, kann aber gegebenenfalls auch mit seinem gesamten Querschnitt die Nut 8 etwa ausfüllen und dadurch seiner Gebrauchsstellung sicher gehalten werden. Somit schließt er mit seinem Außenumfang gemäß Fig.7 bündig mit der Außenseite oder Oberfläche 3a des Isolierkörpers 3 ab, so daß die den Isolierkörper 3 aufnehmende Hülse 2, die mit ihrer Innenseite an der Außenseite 3a des Isolierkörpers 3 m Gebrauchsstellung gemäß den Figuren 9 und 10 anliegt, d e Gebrauchsstellung des Halteringes 9 automatisch festlegt. Ist der Isolierkörper 3 mit den Kontakten 4, 41 und 411 die Hülse 2 eingeschoben, sind alle zum Festlegen der Kontakte 4 dienenden Teile automatisch ihrerseits gegen ungewolltes Öffnen gesperrt.The retaining ring 9 fills the groove 8 at least with its width in the position of use, but can optionally also fill the groove 8 with its entire cross section and thereby be held securely in its position of use. Thus it closes with its outer circumference according to FIG. 7 flush with the outside or surface 3a of the insulating body 3, so that the sleeve 2 receiving the insulating body 3, which rests with its inside on the outside 3a of the insulating body 3m in the use position according to FIGS. 9 and 10, automatically defines the use position of the retaining ring 9. If the insulating body 3 with the contacts 4, 41 and 411 is inserted into the sleeve 2, all the parts serving to fix the contacts 4 are in turn automatically locked against unwanted opening.
In Fig.1 ist angedeutet und m den Figuren 8 bis 10 gut erkennbar, daß die radial von der Umfangsmitte des Halteringes 9 m dessen Ebene nach innen vorstehende Haltezunge 10 an ihrer Stirnseite konkav geformt und dadurch an die Umfangsform des von ihr zu haltenden weiteren Kontaktes 41 am Grund von dessen Vertiefung 7 angepaßt ist. Die Haltezunge 10 umfaßt aufgrund ihrer konkaven Gestaltung den weiteren Kontakt 41 am Grund von dessen Vertiefung 7 über einen gewissen Umfangsbereich, was eine flächige Berührung und einen entsprechend großflächigen Eingriffsbereich der Vertiefung 7 und damit eine gute axiale Festlegung ergibt.In Fig.1 is indicated and m the figures 8 to 10 that the radially from the circumferential center of the retaining ring 9 m inwardly protruding plane of the retaining tongue 10 formed concave on its end face and thereby the peripheral shape of the further contact to be held by it 41 is adapted to the bottom of the recess 7. Due to its concave design, the retaining tongue 10 comprises the further contact 41 at the base of its recess 7 over a certain circumferential area, which results in a flat contact and a correspondingly large engagement area of the recess 7 and thus a good axial fixation.
Der Haltering 9 bildet zwar nur einen Teil eines Kreisrmges, umschlingt aber mehr als 180° des Isolierkörpers 3 innerhalb der an diesem im Ausführungsbeispiel am gesamten Umfang umlaufenden Nut 8, so daß er nach dem Einschieben die Nut 8 und den dabei erfolgenden Aufbiegen m Gebrauchsstellung den Grund der Nut 8 auch kraftschlüssig umfaßt . Es ergibt sich somit schon durch diese Formgebung und Ausgestaltung eine relativ sichere Befestigung der Kontakte 4 und 41 , so daß gemäß Fig.2 zunächst die Kontakte 4 und 41 mit dem den Haltering 9 aufweisenden Isolierkörper 3 verbunden werden können, wonach dann diese aus Isolierkörper 3 und Kontakten 4, 41 und 411 bestehende Einheit m die Hülse 2 eingeschoben und dadurch die Montage vollendet werden kann. Die freien Enden 9a des Halteringes 9 sind dabei gegeneinander derart abgeschrägt, im Ausführungsbeispiel mit einem etwa radialen Verlauf versehen, daß sie einen das Aufschieben oder Einschieben m die Nut 8 des Isolierkörpers 3 erleichternden Einführtrichter bilden.The retaining ring 9 forms only part of a circular arm, but wraps around more than 180 ° of the insulating body 3 within the circumferential groove 8 on this in the exemplary embodiment in the exemplary embodiment, so that after insertion, the groove 8 and the resulting bending in the use position Because of the groove 8 also includes non-positively. This shape and configuration thus results in a relatively secure fastening of the contacts 4 and 41, so that, according to FIG. 2, the contacts 4 and 41 can first be connected to the insulating body 3 having the retaining ring 9, after which these are made of the insulating body 3 and contacts 4, 41 and 411 existing unit m inserted the sleeve 2 and thereby the assembly can be completed. The free ends 9a of the retaining ring 9 are chamfered towards one another in this way, in the exemplary embodiment with an approximately radial one Provide course that they form an insertion funnel to facilitate the pushing or pushing in the groove 8 of the insulating body 3.
Die den Isolierkörper 3 m Gebrauchsstellung umschließende Hülse 2 besteht zweckmäßigerweise aus Metall, gegebenenfalls aus einem anderen relativ harten und festen, zumindest bereichsweise elektrisch leitenden Werkstoff und bildet das Gehäuse des Steckers 1. Im Ausführungsbeispiel trägt sie an ihrer Außenseite ein Gewinde 17, so daß ein Einschrauben ein entsprechendes Gegenstück möglich ist.The sleeve 2 enclosing the insulating body 3 m in the position of use expediently consists of metal, possibly of another relatively hard and solid, at least partially electrically conductive material and forms the housing of the plug 1. In the exemplary embodiment, it carries a thread 17 on its outside so that a Screwing in a corresponding counterpart is possible.
Die Hülse 2 kann an ihrer Innenseite im Ausführungsbeispiel nicht näher dargestellte Positioniervorsprünge oder -Vertiefungen und der Isolierkörper 3 damit zusammenpassende Verformungen 18, also zu Vertiefungen passende Vorsprünge oder zu Vorsprüngen passende Vertiefungen aufweisen, die beim axialen Einsetzen des Isolierkörpers 3 dessen vorgewählte Drehposition festlegen, damit später die Kontakte 4, 41 und 411 eine vorgegebene Orientierung und Positionierung erhalten. In Fig.4 und 5 sind entsprechende Verformungen 18 an dem Isolierkörper 3 angedeutet.The sleeve 2 can have positioning projections or depressions (not shown in detail in the exemplary embodiment) and the insulating body 3 can have deformations 18 matching them, i.e. projections matching recesses or depressions matching the axial position of the insulating body 3, thereby defining its preselected rotational position later contacts 4, 41 and 411 receive a given orientation and positioning. Corresponding deformations 18 on the insulating body 3 are indicated in FIGS. 4 and 5.
Im Inneren der Hülse ist ferner ein Bereich vorgesehen, der hinter einer in axialer Richtung wirksamen Hmterschneidung angeordnet ist , hinter welcher m Gebrauchsstellung ein Teil des Isolierkörpers 3 angeordnet und gegen axiale Verschiebungen gesichert wird. In Einsteckrichtung gesehen hinter diese nicht näher dargestellte Hmterschneidung paßt eine an den Isolierkörper 3 m radialer Richtung vorstehende, radial nachgiebige oder eindrückbare Rastzunge 19, die federelastisch verschwenkbar ist und deutlich in den Figuren 1 und 2, ferner auch den Figuren 4 und 5 dargestellt ist und damit gleichzeitig auch die Lage der Hmterschneidung innerhalb der Hülse 2 mit darstellt und andeutet . In Fιg.1 ist von diesem Bereich der Hmterschneidung die m Einsteckrichtung gesehen vordere Begrenzung 20 erkennbar, hinter welcher sich also die Hülse 3 im Inneren wieder etwas axial vergrößert, wobei dieser Bereich m axialer Richtung der axialen Breite der Rastzunge 19 entspricht, so daß nach dem Einschieben des Isolierkörpers 3 die Hülse 2 die nachstehend noch etwas erläuterte Rastzunge 19 zwischen dieser äußeren Begrenzung 20 und einer analogen inneren Begrenzung m axialer Richtung formschlüssig gehalten ist.In the interior of the sleeve, an area is also provided, which is arranged behind a cut in the axial direction, behind which, in the position of use, part of the insulating body 3 is arranged and secured against axial displacement. Seen in the insertion direction behind this notch, which is not shown in more detail, fits a radially resilient or compressible latching tongue 19 protruding from the insulating body 3 m in the radial direction, which can be pivoted resiliently and is clearly shown in FIGS. 1 and 2 and also in FIGS so that at the same time the position of the hip cutting within the sleeve 2 is also indicated and indicated. In Fig. 1 of this area of the hip cutting the m Inserted direction seen front limit 20 can be seen, behind which the sleeve 3 increases again axially inside, this area m axial direction corresponds to the axial width of the latching tongue 19, so that after inserting the insulating body 3, the sleeve 2 the something below explained latching tongue 19 is held in a form-fitting manner between this outer boundary 20 and an analog inner boundary m in the axial direction.
Die in radialer Richtung elastisch nachgiebige oder verformbare Rastzunge 19 ist dabei im Ausführungsbeispiel um eine parallel zur Mittelachse des Isolierkörpers 3 oder des Steckers 1 verlaufende Schwenkachse aufgrund elastischer Verformung des Werkstoffes verschwenkbar und erstreckt sich gemäß Fιg.1 m Umfangsrichtungdes Isolierkörpers 3. Dabei grenzt diese elastisch verformbare Rastzunge 19 mit ihrer der unteren Stirnseite 21 des Isolierkörpers 3 abgewandten Seitenfläche 22 an die Nut 8 und begrenzt diese Nut 8 auch über den Umfangsbereich, über welchen sich diese Rastzunge 19 erstreckt. Dadurch ist es möglich, daß der Haltering 9 oder die Haltefeder 14, im Ausführungsbeispiel gemäß Fig.4 und 5 beide Teile jeweils zu einem Teil gleichzeitig die elastisch nachgiebige Rastzunge 19 m Gebrauchsstellung gegen eine axiale Verformung sperren, die eventuell dann möglich wäre, wenn der Isolierkörper 3 beispielsweise über die Kontakte 4 gegenüber der Hülse 2 m axialer Richtung belastet würde, was beispielsweise beim Zusammenstecken des Steckers 1 mit einem Gegenstück oder bei dem Auseinanderziehen auftreten kann. Da die Rastzunge 19 für die Verrastung elastisch ist, könnte sie zusätzlich zu ihrer radialen Verformung bei solchen axialen Belastungen auch axial etwas ausgelenkt werden, was aber durch die beschriebenen Maßnahmen unterbunden ist. Somit erhalten der Haltering 9 und/oder die Haltefeder 14 eine zusätzliche Funktion bei der axialen Sicherung des Isolierkörpers 3 gegenüber der Hülse 2. Die Rastzunge 19 hat an ihrer Außenseite einen Rastvorsprung 23, dessen radiale Ausdehnung gleich oder kleiner als der Verformungsweg der Rastzunge 19 bei ihrem Eindrücken radialer Richtung ist, so daß sich dieser Rastvorsprung 23 zwar durch das Eindrücken der Rastzunge 19 m das Innere des Hüllkörpers des IsolierkörpersThe locking tongue 19 which is elastically flexible or deformable in the radial direction can be pivoted in the exemplary embodiment about a pivot axis running parallel to the central axis of the insulating body 3 or the plug 1 due to elastic deformation of the material and extends according to FIG. 1 m circumferential direction of the insulating body 3 deformable locking tongue 19 with its side face 22 facing away from the lower end face 21 of the insulating body 3 to the groove 8 and also limits this groove 8 over the circumferential area over which this locking tongue 19 extends. This makes it possible for the retaining ring 9 or the retaining spring 14, in the exemplary embodiment according to FIGS. 4 and 5, both parts to a part to simultaneously lock the elastically flexible latching tongue 19 m in the use position against axial deformation, which would possibly be possible if the Insulating body 3 would be loaded, for example, via the contacts 4 with respect to the sleeve 2 m in the axial direction, which can occur, for example, when plug 1 is plugged together with a counterpart or when it is pulled apart. Since the latching tongue 19 is elastic for the latching, it could also be axially deflected somewhat in addition to its radial deformation under such axial loads, but this is prevented by the measures described. The retaining ring 9 and / or the retaining spring 14 thus have an additional function in the axial securing of the insulating body 3 with respect to the sleeve 2. The latching tongue 19 has on its outside a latching projection 23, the radial extent of which is equal to or smaller than the deformation path of the latching tongue 19 when it is pressed in in the radial direction, so that this latching projection 23 advances the interior of the envelope of the insulating body by pressing in the latching tongue 19m
3 bewegen läßt, um ein Einschieben m die Hülse 2 zu ermöglichen, m Gebrauchsstellung dann aber über die Außenkontur des Isolierkörpers 3 vorsteht, um die Verrastung mit dem hmter- schnittenen Bereich hinter der Begrenzung 20 und damit die axiale Festlegung zu bewirken.3 can be moved to enable insertion of the sleeve 2, but then protrudes beyond the outer contour of the insulating body 3 in the position of use in order to effect the locking with the hermter-cut area behind the boundary 20 and thus the axial fixing.
Beim Vergleich der Figuren 9 und 10 erkennt man noch, daß die Breite des Halteringes 9, also seine radiale Abmessung, auf den radialen Abstand der nach außen gerichteten oder weisenden Oberfläche eines Kontaktes 4, Kontaktstiftes oder Kontaktbuchse, von der Außenseite 3a des Isolierkörpers 3 angepaßt ist, das heißt die radiale Breite des Halteringes 9 kann im Bereich von dünneren Kontaktstiften oder Kontaktbuchsen gemäß Fig.10 größer als im Bereich von dickeren Kontaktstiften oder Kontaktbuchsen sein. F g.9 zeigt dabei eine Anordnung mit insgesamt sechs KontaktenWhen comparing FIGS. 9 and 10, it can also be seen that the width of the retaining ring 9, that is to say its radial dimension, is adapted to the radial distance of the outwardly facing surface of a contact 4, contact pin or contact socket, from the outside 3a of the insulating body 3 is, that is, the radial width of the retaining ring 9 can be larger in the area of thinner contact pins or contact sockets according to FIG. 10 than in the area of thicker contact pins or contact sockets. F g.9 shows an arrangement with a total of six contacts
4 etwa gleichen Durchmessers, während Fig.10 eine Anordnung mit insgesamt acht Kontakten darstellt, bei denen vier einen geringeren Queschnitt als die übrigen haben.4 of approximately the same diameter, while FIG. 10 shows an arrangement with a total of eight contacts, in which four have a smaller cross section than the others.
Die vorbeschriebenen Ausführungsbeispiele ermöglichen, wie schon kurz erwähnt, eine günstige Herstellung der Einzelteile und auch eine einfache Montage, die - kurz zusammengefaßt - etwa folgendermaßen abläuft:As already mentioned briefly, the above-described exemplary embodiments enable inexpensive manufacture of the individual parts and also simple assembly which, in brief, proceeds as follows:
Zunächst wird der Haltering 9 gemäß den Figuren 1 und 2 m die Nut 8 des Isolierkörpers 3 eingeschnappt.First, the retaining ring 9 according to FIGS. 1 and 2 m snaps the groove 8 of the insulating body 3.
Danach werden die Kontakte 4 und 41 , Kontaktstifte oder -buchsen, die zuvor schon mit Kabeln 5 versehen sein können, mit ihren der späteren Kontaktierung dienenden Enden voraus m entsprechende Bohrungen 6 des Isolierkörpers 3 eingeführt. Dabei wird der Haltering 9 radialer Richtung aufgeweitet und verdrängt und springt anschließend m die nutenartigen Vertiefungen 7 der Kontakte 4 ein, wenn diese sich m derselben Durchmesserebene wie die Nut 8 befinden.Then the contacts 4 and 41, contact pins or sockets, which may have been provided with cables 5 beforehand, with their later contacting ends in advance m introduced corresponding holes 6 of the insulating body 3. The retaining ring 9 is widened and displaced in the radial direction and then jumps into the groove-like depressions 7 of the contacts 4 when they are located in the same diameter plane as the groove 8.
Anschließend kann die Haltefeder 14 an dem Erdungskontakt 411 innerhalb der Nut 8 eingesetzt und eingeschnappt werden.The retaining spring 14 can then be inserted and snapped onto the ground contact 411 within the groove 8.
Anschließend wird der Isolierkörper 3 mit dem Haltering 9, der Haltefeder 14 und den Kontakten 4, 41 und 411 m die als Metallgehäuse ausgebildete Hülse 2 bis zu einem innenliegenden Anschlag eingeführt. Dabei springt der Rastvorsprung 23 der Rastzunge 19 des Isolierkörpers 3 eine dafür vorgesehene, nach außen durch einen Rand 20 begrenzte Hmterschneidung, die den Rastvorsprung 23 bevorzugt beidseits axialer Richtung umfassen kann. Dadurch ist der Isolierkörper 3 m der Hülse 2 gesichert, wodurch außerdem gleichzeitig der Haltering 9 und die Haltefeder 14 gegen eine Lösebewegung gesichert und gesperrt sind, weil die Innenwand der Hülse 2 an der Außenseite 3a des Isolierkörpers 3 und des damit bündigen Halteringes 9 zur Anlage kommt .The insulating body 3 with the retaining ring 9, the retaining spring 14 and the contacts 4, 41 and 411 m is then inserted into the sleeve 2, which is designed as a metal housing, up to an internal stop. In this case, the locking projection 23 of the locking tongue 19 of the insulating body 3 jumps a cut provided for this purpose, which is delimited on the outside by an edge 20 and which can preferably encompass the locking projection 23 on both sides in the axial direction. As a result, the insulating body 3 m of the sleeve 2 is secured, as a result of which the retaining ring 9 and the retaining spring 14 are simultaneously secured and locked against a release movement, because the inner wall of the sleeve 2 on the outside 3a of the insulating body 3 and the retaining ring 9 flush therewith for contact is coming.
Gleichzeitig liegt dadurch der Wulst oder Vorsprung 16, der den Durchmesser des Isolierkörpers 3 zunächst überragt, an der Innenwand der Hülse 2 an und führt zu einer sicheren Kontaktierung des Erdungskontaktes 411.At the same time, the bead or projection 16, which initially projects beyond the diameter of the insulating body 3, lies against the inner wall of the sleeve 2 and leads to a reliable contacting of the grounding contact 411.
Auch eine Demontage ist einfach möglich, indem der Isolierkörper 3 wieder aus der Hülse 2 entnommen wird, wobei mit Hilfe eines Werkzeuges die Rastzunge 19 radial nach innen verformt und dann der Isolierkörper 3 axial aus der Hülse 2 herausgedrückt wird. Dabei ist hilfreich, daß die Rastzunge 9 nicht über ihre gesamte Außenfläche mit dem Rastvorsprung 23 versehen ist, so daß neben dem Rastvorsprung 23 em Werkzeug zwischen die Innenseite der Hülse 2 und die Rastzunge 19 eingeführt werden kann.Disassembly is also easily possible by removing the insulating body 3 from the sleeve 2 again, the locking tongue 19 being deformed radially inward with the aid of a tool and then the insulating body 3 being pressed axially out of the sleeve 2. It is helpful that the latching tongue 9 is not provided with the latching projection 23 over its entire outer surface, so that in addition to the locking projection 23 em tool can be inserted between the inside of the sleeve 2 and the locking tongue 19.
Anschließend kann der Haltering 9 und die Haltefeder 14 aus der Nut 8 entnommen werden, wonach dann die Kontakte 4, 41 und 411 ihrerseits m axialer Richtung wieder aus den Bohrungen 6 herausgedrückt oder herausgezogen werden können.The retaining ring 9 and the retaining spring 14 can then be removed from the groove 8, after which the contacts 4, 41 and 411 can in turn be pushed out or pulled out of the bores 6 in the axial direction.
Der Stecker 1 hat einen elektrische Kontakte 4, 41 und 411, beispielsweise Kontaktstifte oder Kontaktbuchsen, axialer Richtung verlaufenden Bohrungen 6 haltenden Isolierkörper 3. Dieser hat an seiner Außenseite 3a eine nach außen offene Nut 8, die die Lochungen oder Bohrungen 6 für die Kontakte 4 und 411 über einen Teil von deren radialer Ausdehnung schneidet. In die Nut 8 paßt em Haltering 9, der Gebrauchsstellung gleichzeitig in an den Kontakten 4 vorgesehenen nutenartige Vertiefungen 7 em greift und dadurch die Kontakte m axialer Richtung festlegt . Dabei kann der Haltering 9 noch wenigstens eine bevorzugt m seiner Ebene radial nach innen ragende Haltezunge 10 tragen, die durch einen Kanal oder Durchbruch 14 des Isolierkörpers 3 m den Bereich einer weiteren Bohrung für einen mittleren Kontakt 41 verläuft und m Gebrauchsstellung dessen Vertiefung eingreift, so daß auch dieser außerhalb des Ringbereiches befindliche weitere Kontakt 41 axial festgelegt wird.The plug 1 has an electrical contacts 4, 41 and 411, for example contact pins or contact sockets, axially extending bores 6 holding insulating body 3. This has on its outside 3a an outwardly open groove 8, which the holes or bores 6 for the contacts 4th and 411 intersects part of their radial extent. In the groove 8 fits em retaining ring 9, the position of use engages simultaneously in the groove 4 provided on the contacts 4 groove-like recesses 7 and thereby defines the contacts in the axial direction. The retaining ring 9 can also carry at least one retaining tongue 10, preferably projecting radially inward in its plane, which extends through a channel or opening 14 in the insulating body 3 m in the region of a further bore for a central contact 41 and engages its depression in the use position, so that this further contact 41 located outside the ring area is also axially fixed.
Anspüche Anspüche

Claims

A n s p r ü c h e Expectations
1. Stecker (1) mit einer Hülse (2) und mit einem m Gebrauchs- Stellung m der Hülse (2) angeordneten Isolierkörper (3) sowie mit länglichen Kontakten (4) , die m sie aufnehmenden Lochungen oder Bohrungen (6) des Isolierkörpers m Gebrauchsstellung mittels Vorsprüngen fixiert sind, welche m quer zur Längserstreckungsrichtung der Kontakte (4) an diesenbefmdliche, nutenartigeVertiefungen (7) eingreifen, wobei sich die Lochungen oder Bohrungen (6) mit den länglichen Kontakten (4) auf einem konzentrisch zur Mitte der Hülse (2) oder des Isolierkörpers gedachten Zylinder und somit m gleichem Abstand von der Innenseite der Hülse (2) oder der Oberfläche (3a) des Isolierkörpers (3) befinden, wobei em weiterer Kontakt (41 ) im Inneren des gedachten Zylinders parallel zu den übrigen Kontakten (4) innerhalb einer Lochung oder Bohrung (6) angeordnet ist, dadurch gekennzeichnet, daß der Isolierkörper (3) wenigstens eine an seiner Außenseite (3a) verlaufende und nach außen offene1. Plug (1) with a sleeve (2) and with a m use position m of the sleeve (2) arranged insulating body (3) and with elongated contacts (4), the m receiving holes or bores (6) of the insulating body m are fixed in the position of use by means of projections which engage in the groove-like recesses (7), which are at right angles to the longitudinal direction of the contacts (4), the perforations or bores (6) with the elongated contacts (4) being concentric with the center of the sleeve ( 2) or the insulating body imaginary cylinder and thus m the same distance from the inside of the sleeve (2) or the surface (3a) of the insulating body (3), with em further contact (41) inside the imaginary cylinder parallel to the other contacts (4) is arranged inside a perforation or bore (6), characterized in that the insulating body (3) has at least one on its outside (3a) which is open and open to the outside
Nut (8) hat, die die Lochungen oder Bohrungen (6) für die Kontakte (4) über einen Teil von deren radialer Ausdehnung an deren der Außenseite (3a) des Isolierkörpers (3) zugewandten Seite schneidet, und daß die Nut (8) an dem Isolierkörper (3) auf der Höhe angeordnet ist, auf welcher sich die Vertiefungen (7) der Kontakte (4) m Gebrauchsstellung befinden, daß e aus isolierendem Werkstoff bestehender, wenigstens über einen Teil des Gesamtumfanges des Isolierkörpers (3) reichender Rast- oder Haltering (9) vorgesehen ist, der in die Nut (8) des Isolierkörpers (3) paßt und m Gebrauchsstellung gleichzeitig als Vorsprung m die Vertiefungen (7) der Kontakte (4) eingreift, und daß der Haltering (9) wenigstens eine nach innen ragende Haltezunge (10) trägt, die m Gebrauchsstellung m einen sich von der Nut (8) aus nach innen erstreckenden Kanal oder Durchbruch (11) eingreift und bis m die Vertiefung (7) des im Inneren des gedachten Zylinders befindlichen weiteren Kontaktes (41 ) und der diesen aufnehmenden Lochung oder Bohrung (6) vorsteht.Has groove (8) which cuts the holes or bores (6) for the contacts (4) over part of their radial extent on the side thereof facing the outside (3a) of the insulating body (3), and that the groove (8) is arranged on the insulating body (3) at the height at which the depressions (7) of the contacts (4) are in the position of use, that e made of insulating material, at least over a part of the entire circumference of the insulating body (3) extending latching or retaining ring (9) is provided, which fits into the groove (8) of the insulating body (3) and engages in the position of use as a projection m the recesses (7) of the contacts (4), and that the retaining ring (9) at least one after inside protruding tongue (10) carries m in the use position engages from the groove (8) inwardly extending channel or opening (11) and until the recess (7) of the inside of the imaginary cylinder further contact (41) and the hole or bore (6) receiving it protrudes.
2. Stecker nach Anspruch 1, dadurch gekennzeichnet, daß der Haltering (9) nur über einen Teilkreis verläuft und seine beiden freien Enden (9a) elastisch wenigstens so weit auseinanderbewegbar sind, daß ihr Abstand m diesem verformten Zustand dem Durchmesser des Isolierkörpers (3) im Bereich des Bodens der Nut (8) entspricht.2. Plug according to claim 1, characterized in that the retaining ring (9) extends only over a pitch circle and its two free ends (9a) can be moved apart at least so far that their distance m this deformed state the diameter of the insulating body (3) corresponds to the groove (8) in the area of the bottom.
3. Stecker nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die an den länglichen Kontakten (4,41) oder Kontaktstiften, insbesondere an deren Umfang umlaufenden nutenartigen Vertiefungen (7) jeweils von einem gegenüber dem Kontaktbereich radial vorstehenden Bund (12) oder dergleichen begrenzt sind und dieser Bund (12) auf der der Vertiefung (7) abgewandten Seite eine Schräge oder einen Konus (13) aufweist, der beim Einschieben des Kontaktes (4,41) seine Bohrung (6) gegen den Haltering (9) anläuft und diesen radial nach außen auslenkt, bis die Vertiefung (7) des Kontaktes (4,41) in Übereinstimmung mit der Nut (8) des Isolierkörpers (3) ist, so daß der Haltering (9) automatisch m die3. Plug according to claim 1 or 2, characterized in that on the elongated contacts (4,41) or contact pins, in particular on their circumferential groove-like depressions (7) each of a radially projecting from the contact area collar (12) or the like are limited and this collar (12) on the side facing away from the recess (7) has a slope or a cone (13) which runs into the bore (6) against the retaining ring (9) when the contact (4,41) is inserted and this deflects radially outwards until the recess (7) of the contact (4.41) is in accordance with the groove (8) of the insulating body (3), so that the retaining ring (9) automatically m the
Vertiefung (7) des Kontaktes (4,41) einfällt.Indentation (7) of the contact (4.41) occurs.
4. Stecker nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß einer der auf einem gedachten Zylinder angeordneten Kontakte als Erdungskontakt (411) ausgebildet und von dem Haltering (9) freigelassen ist und daß dieser Erdungskontakt (411) mit einer die Nut (8) des Isolierkörpers (3) passenden und Gebrauchsstellung die Vertiefung (7) an dem Erdungskontakt (411) eingreifenden und den Erdungskontakt (411) dabei insbesondere mit Federarmen (15) rastend erfassenden, elektrisch leitenden Haltefeder oder dergleichen m axialer Richtung festlegbar ist.4. Plug according to one of claims 1 to 3, characterized in that one of the arranged on an imaginary cylinder contacts as a ground contact (411) and is released from the retaining ring (9) and that this ground contact (411) with a the groove ( 8) of the insulating body (3) matching and use position, the recess (7) on the ground contact (411) engaging and Earthing contact (411), in particular with spring arms (15) which detects and detects electrically conductive holding spring or the like in the axial direction, can be fixed.
5. Stecker nach Anspruch 4, dadurch gekennzeichnet, daß die freien Enden (9a) des Halteringes (9) m Gebrauchsstellung beidseits des Erdungskontaktes (411 ) mit Abstand zu diesem angeordnet sind.5. Plug according to claim 4, characterized in that the free ends (9a) of the retaining ring (9) m use position on both sides of the grounding contact (411) are arranged at a distance from this.
6. Stecker nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Haltefeder (14) für den Erdungskontakt (411) aus Metall oder elektrisch leitendem Kunststoff besteht und an ihrer Außenseite insbesondere einen Wulst oder Vorsprung (16) hat, der in Gebrauchsstellung die Oberfläche des Isolierkörpers (3) wenigstens um das Spiel des Isolierkörpers (3) gegenüber der Hülse (2) und/oder das Spiel der Haltefeder (14) m der Nut (8) des Isolierkörpers (3) überragt.6. Plug according to claim 4 or 5, characterized in that the retaining spring (14) for the ground contact (411) consists of metal or electrically conductive plastic and in particular on its outside has a bead or projection (16) which, in the position of use, the surface of the insulating body (3) at least by the play of the insulating body (3) relative to the sleeve (2) and / or the play of the retaining spring (14) m of the groove (8) of the insulating body (3).
7. Stecker nach einem der Ansprüche 1 bis 6, dadurch gekenn- zeichnet, daß der Querschnitt des Halteringes (9) m7. Plug according to one of claims 1 to 6, characterized in that the cross section of the retaining ring (9) m
Gebrauchsstellung den Querschnitt der Nut (8) etwa ausfüllt oder wenigstens die radiale Erstreckung oder Breite des Halteringes (9) der der Nut (8) entspricht und die den Isolierkörper (3) aufnehmende Hülse (2) die Gebrauchsstellung des Halteringes (9) festlegt.Position of use approximately fills the cross section of the groove (8) or at least the radial extension or width of the retaining ring (9) corresponds to that of the groove (8) and the sleeve (2) receiving the insulating body (3) defines the position of use of the retaining ring (9).
8. Stecker nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die radial nach innen vorstehende Haltezunge (10) des Halteringes an ihrer Stirnseite konkav geformt und dadurch wenigstens teilweise an die Umfangsform des von ihr zu haltenden weiteren Kontaktes (41 ) am Grund von dessen Vertiefung (7) angepaßt ist.8. Plug according to one of claims 1 to 7, characterized in that the radially inwardly projecting retaining tongue (10) of the retaining ring is concave on its end face and thereby at least partially to the peripheral shape of the further contact to be held by it (41) at the bottom from the recess (7) is adapted.
9. Stecker nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Haltering (9) mehr als 180° des Isolierkörpers (3) innerhalb der an diesem vorzugsweise am gesamten Umfang umlaufenden Nut (8) umschlingt.9. Plug according to one of the preceding claims, characterized characterized in that the retaining ring (9) wraps more than 180 ° of the insulating body (3) within the groove (8), which preferably runs around the entire circumference thereof.
10. Stecker nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die freien Enden (9a) des Halteringes (9) gegeneinander derart abgeschrägt sind, daß sie einen das Aufschieben oder Einschieben die Nut (8) des Isolierkörpers (3) erleichternden Einführtrichter bilden.10. Plug according to one of claims 1 to 9, characterized in that the free ends (9a) of the retaining ring (9) against each other are chamfered in such a way that they facilitate insertion or insertion of the groove (8) of the insulating body (3) into the insertion funnel form.
11. Stecker nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die den Isolierkörper (3) umschließende Hülse (2) aus Metall besteht und das Gehäuse des Steckers11. Plug according to one of the preceding claims, characterized in that the insulating body (3) enclosing sleeve (2) consists of metal and the housing of the plug
(1) bildet, gegebenenfalls außenseitig em Gewinde (17) trägt.(1) forms, optionally outside thread (17) carries.
12. Stecker nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Hülse (2) an ihrer Innenseite Positioniervorsprünge oder -Vertiefungen und der Isolierkör- per (3) damit zusammenpassende Verformungen (18) aufweisen, die beim axialen Einsetzen des Isolierkörpers (3) dessen vorgewählte Drehposition festlegen.12. Plug according to one of claims 1 to 11, characterized in that the sleeve (2) on its inside positioning projections or depressions and the Isolierkör- body (3) have matching deformations (18) which upon axial insertion of the insulating body ( 3) determine its preselected rotational position.
13. Stecker nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß im Inneren der Hülse eine in axialer13. Plug according to one of claims 1 to 12, characterized in that in the interior of the sleeve in an axial
Richtung wirksame Hmterschneidung vorgesehen ist, hinter welcher in Emsteckrichtung gesehen wenigstens eine an dem Isolierkörper (3) m radialer Richtung vorstehende, radial nachgiebige oder eindrückbare Rastzunge (19) paßt, die federelastisch verschwenkbar ist.Effective shoulder cutting is provided, behind which, when viewed in the insertion direction, at least one radially resilient or compressible latching tongue (19) protruding from the insulating body (3) in the radial direction fits, which can be pivoted resiliently.
14. Stecker nach Anspruch 13, dadurch gekennzeichnet, daß die in radialer Richtung elastisch nachgiebige oder verformbare Rastzunge (19) um eine parallel zur Mittelachse des Isolierkörpers (3) oder des Steckers (1) verlaufende Schwenkachse verschwenkbar ist und sich m Umfangsrichtung des Isolierkörpers (3) erstreckt.14. Plug according to claim 13, characterized in that the resiliently flexible or deformable locking tongue (19) in the radial direction about a parallel to the central axis of the Insulating body (3) or the plug (1) extending pivot axis is pivotable and extends in the circumferential direction of the insulating body (3).
15. Stecker nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß die elastisch verformbare Rastzunge (19) mit einer15. Plug according to claim 13 or 14, characterized in that the elastically deformable locking tongue (19) with a
Seitenfläche (22) an die Nut (8) angrenzt und die Nut (8) begrenzt und daß der Haltering (9) und/oder die HaltefederSide surface (22) adjoins the groove (8) and delimits the groove (8) and that the retaining ring (9) and / or the retaining spring
(14) Gebrauchsstellung die elastisch nachgiebige Rastzunge (19) gegen eine axiale Verformung sperrt.(14) position of use locks the resilient locking tongue (19) against axial deformation.
16. Stecker nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, daß die Rastzunge (19) an ihrer Außenseite einen Rastvorsprung (23) hat, dessen radiale Ausdehnung gleich oder kiemer als der Verformungsweg der Rastzunge16. Plug according to one of claims 13 to 15, characterized in that the latching tongue (19) on its outside has a latching projection (23), the radial extent of which is equal to or kiemer than the deformation path of the latching tongue
(19) m radialer Richtung ist.(19) m radial direction.
17. Stecker nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß die Breite des Halteringes (9) auf den radialen Abstand der nach außen weisenden Oberfläche eines Kontaktes (4) oder Kontaktstiftes von der Außenseite (3a) des Isolierkörpers (3) angepaßt ist und daß die Breite des Halteringes (9) im Bereich von dünnen Kontaktstiften oder Kontaktbuchsen größer als im Bereich von dickeren Kontakt- stiften oder Kontaktbuchsen ist.17. Plug according to one of claims 1 to 16, characterized in that the width of the retaining ring (9) is adapted to the radial distance of the outwardly facing surface of a contact (4) or contact pin from the outside (3a) of the insulating body (3) and that the width of the retaining ring (9) is larger in the area of thin contact pins or contact sockets than in the area of thicker contact pins or contact sockets.
18. Stecker nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß sich die Haltezunge (10) praktisch m der Mitte zwischen den freien Enden (9a) des Halteringes (9) und außerdem m derselben Ebene wie der übrige18. Connector according to one of claims 1 to 17, characterized in that the retaining tongue (10) practically m the middle between the free ends (9a) of the retaining ring (9) and also m the same level as the rest
Ringverlauf befindet, so daß sie praktisch an der beim Aufbiegen des Halteringes (9) neutralen Zone angeformt ist.Ring course is located, so that it is practically formed on the neutral zone when bending the retaining ring (9).
/Zusammenfassung /Summary
EP01936092A 2000-04-15 2001-03-17 Plug-in connector with a bushing Expired - Lifetime EP1275173B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20007001U 2000-04-15
DE20007001U DE20007001U1 (en) 2000-04-15 2000-04-15 Plug with a sleeve
PCT/EP2001/003073 WO2001080372A1 (en) 2000-04-15 2001-03-17 Plug-in connector with a bushing

Publications (2)

Publication Number Publication Date
EP1275173A1 true EP1275173A1 (en) 2003-01-15
EP1275173B1 EP1275173B1 (en) 2003-10-15

Family

ID=7940348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01936092A Expired - Lifetime EP1275173B1 (en) 2000-04-15 2001-03-17 Plug-in connector with a bushing

Country Status (10)

Country Link
US (1) US6780068B2 (en)
EP (1) EP1275173B1 (en)
CN (1) CN1249859C (en)
AT (1) ATE252280T1 (en)
AU (1) AU6210301A (en)
BR (1) BRPI0110070B1 (en)
DE (2) DE20007001U1 (en)
EA (1) EA003808B1 (en)
ES (1) ES2208601T3 (en)
WO (1) WO2001080372A1 (en)

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WO2007019918A1 (en) * 2005-08-12 2007-02-22 Anton Hummel Verwaltungs Gmbh Plug with retainer spring for an earth contact
US7537466B2 (en) 2005-08-12 2009-05-26 Anton Hummel Verwaltungs Gmbh Plug with retainer spring for an earth contact
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Also Published As

Publication number Publication date
EA200201102A1 (en) 2003-04-24
ES2208601T3 (en) 2004-06-16
US20040038596A1 (en) 2004-02-26
WO2001080372A1 (en) 2001-10-25
BR0110070A (en) 2002-12-31
DE50100805D1 (en) 2003-11-20
US6780068B2 (en) 2004-08-24
CN1423849A (en) 2003-06-11
CN1249859C (en) 2006-04-05
EA003808B1 (en) 2003-10-30
BRPI0110070B1 (en) 2016-05-31
ATE252280T1 (en) 2003-11-15
AU6210301A (en) 2001-10-30
EP1275173B1 (en) 2003-10-15
DE20007001U1 (en) 2000-07-27

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