EP4092835B1 - Electrical connector, electrical connection assembly and electrical connection - Google Patents

Description

FIELD OF THE INVENTION

The present invention relates to an electrical connector having the features of patent claim 1. The present invention also relates to an electrical connector assembly having the features of patent claim 14. Finally, the present invention relates to an electrical connector having the features of patent claim 15.

TECHNICAL BACKGROUND

For the transmission of high-frequency signals over long cable distances, for example on antenna masts for mobile radio stations or for other transmission and reception systems, low transmission loss, high shielding and high resilience are required. The requirement for low transmission loss and high loads can be met with a large cable diameter, especially in the cm range, and with the use of foamed polyethylene for the dielectric. A very good shielding attenuation is achieved with a closed metal tube as the outer conductor. So that such a cable can also be bent during laying, the outer conductor and possibly also the inner conductor are each designed as a corrugated metal tube. Such a cable is thus often referred to as a "corrugated cable".

Such "corrugated cable" is typically field terminated to a suitable coaxial connector. A such a coaxial connector for a "corrugated cable" is therefore also referred to as a field-installable connector. From the US 9,172,156 B2 discloses an electrical connector assembly of such a field-installable coaxial connector and a "corrugated" coaxial cable.

The cable is connected to the connector on site using a suitable mechanical, hydraulic, pneumatic or electrical tool, which presses the cable to the connector on the inner and outer conductor side. For this purpose, the axial end of the rigid cable inner conductor is pressed into a socket-shaped inner conductor contact element of the connector and the axial end of the cable outer conductor tube is pressed between a stop element and a compression sleeve of the connector. Such a connector is also referred to as a compression connector due to the compression of cable and connector. Alternatively, the cable and the connector can also be screwed together.

The stop element as a component of the connector outer conductor is made of a metallic material, the compression sleeve can be made of a metallic or non-metallic material. The inner conductor contact is essentially a radial contact, while the outer conductor contact is preferably a contact with an axial and a radial component.

The cable, which has an outer conductor with a thread-shaped outer surface, is screwed into the compression sleeve of the connector, which for this purpose has a thread-shaped outer surface of the Has outer cable conductor corresponding thread-shaped inner surface. The thread turn on the outer surface of the outer cable conductor and correspondingly on the inner surface of the compression sleeve each have a specific pitch angle.

Even if the end face of the compression sleeve directed toward the stop element and the end face of the stop element directed toward the compression sleeve are each aligned perpendicular to the longitudinal axis of the electrical connector assembly, the last turn of the thread turn at the axial end of the thread has a variable axial angle due to the pitch angle along its 360° extent Distance to the opposite end face of the stop element. The axial end of the outer cable conductor clamped between the stop element and the compression sleeve is thus subjected to a different clamping force along the press-in zone extending over 360°. The contact force between the outer cable conductor and the stop element is therefore not constant along the press-in zone.

This can disadvantageously lead to the formation of undesirable passive intermodulation in the contacting area between the cable and connector on the outer conductor side. In addition, the axial end of the outer cable conductor can be more loosely clamped in the angular segment of the contacting area in which the contact pressure is lower due to the pitch angle of the thread and thus partially protrude into the elastic area of the dielectric, which is typically made of foamed polyethylene. The transmission characteristic of the high-frequency signal path thus becomes more capacitive at this point. Such a Impurities in the impedance profile of the high-frequency signal path disadvantageously lead to reflections of the high-frequency signal.

This is a condition that needs to be improved.

For further background is also on the US 6,019,635A , the US 5,267,877A , the U.S. 2013/0143439 A1 and the DE 43 44 328 C1 referenced, each relating to connectors for coaxial cables with a spirally corrugated outer conductor.

SUMMARY OF THE INVENTION

Against this background, the present invention is based on the object of specifying an electrical plug connector for a "corrugated cable" which has optimized electrical transmission properties, in particular optimized high-frequency transmission properties.

According to the invention, this object is achieved by an electrical connector having the features of claim 1.

• eine Presshülse und
• ein Anschlagelement,
• wobei das Anschlagelement in einer Steckrichtung des elektrischen Steckverbinders axial benachbart zur Presshülse angeordnet ist und mit der Presshülse verbunden ist (mittelbar, beispielsweise über eine weitere Gehäusekomponente des Steckverbinders, wie ein Außenleiterkontaktelement, oder unmittelbar, insbesondere in einem montierten Zustand des Steckverbinders),
• wobei die Presshülse eine gewindeförmig ausgeformte Innenmantelfläche aufweist, welche eingerichtet ist, mit einer gewindeförmig ausgeformten Außenmantelfläche eines Außenleiters des Kabels verschraubbar zu sein,
• wobei die Verbindung der Presshülse und des Anschlagelements derart eingerichtet ist, dass ein axiales Ende des Außenleiters zwischen einem zum Anlageelement benachbarten axialen Endbereich der Presshülse und einem zur Presshülse benachbarten axialen Endbereich des Anschlagelements einklemmbarbar ist und dass
  1. a) in einem montierten Zustand des Steckverbinders und des Kabels eine Längsachse der Presshülse wenigstens im axialen Endbereich der Presshülse zu einer Längsachse des Anschlagelements wenigstens im axialen Endbereich des Anschlagelements um einen Kippwinkel gekippt ist und/oder
  2. b) ein Normalenvektor einer Ebene, welche durch eine Kante zwischen einer Stirnfläche und einer inneren Mantelfläche des Anschlagelements aufgespannt ist, zur Längsachse der Presshülse um einen Ausrichtungswinkel gedreht ist und/oder
  3. c) die Kante in einer Längsachsrichtung des Steckverbinders einen helixförmigen Verlauf aufweist.

Accordingly, it is provided:
An electrical connector for a cable, comprising

• a press sleeve and
• a stop element,
• wherein the stop element is arranged axially adjacent to the compression sleeve in a plugging direction of the electrical connector and is connected to the compression sleeve (indirectly, for example via a further housing component of the connector, such as an outer conductor contact element, or immediately, in particular when the connector is in an assembled state),
• wherein the compression sleeve has a thread-shaped inner surface, which is set up to be screwed to a thread-shaped outer surface of an outer conductor of the cable,
• wherein the connection of the compression sleeve and the stop element is set up in such a way that an axial end of the outer conductor can be clamped between an axial end area of the compression sleeve adjacent to the contact element and an axial end area of the stop element adjacent to the compression sleeve, and that
  1. a) in an assembled state of the plug connector and the cable, a longitudinal axis of the compression sleeve is tilted by a tilt angle at least in the axial end area of the compression sleeve relative to a longitudinal axis of the stop element at least in the axial end area of the stop element and/or
  2. b) a normal vector of a plane, which is spanned by an edge between an end face and an inner lateral surface of the stop element, is rotated by an orientation angle relative to the longitudinal axis of the compression sleeve and/or
  3. c) the edge has a helical course in a longitudinal axis direction of the connector.

The finding/idea on which the present invention is based is to shape the stop surface of the stop element, against which the axial end of the cable outer conductor is pressed with the compression sleeve in the assembled state of the connector and the cable, in such a way that the foremost turn of the in the internal thread formed in the compression sleeve runs as parallel as possible to the stop surface of the stop element over as large an angular segment as possible of the sleeve-shaped circumference.

For this purpose, in a first embodiment of the invention in the assembled state of the plug connector and the cable, a longitudinal axis of the compression sleeve is tilted by a tilting angle at least in the axial end area of the compression sleeve relative to a longitudinal axis of the stop element at least in the axial end area of the stop element. In a second embodiment of the invention, when the connector and the cable are assembled, a normal vector of a plane spanned by an edge between an end face and an inner lateral surface of the stop element is rotated by an orientation angle relative to the longitudinal axis of the compression sleeve. In a third embodiment of the invention, when the plug connector is in the installed state, the edge between the end face and the inner lateral surface of the stop element runs in a helical shape in the longitudinal axis direction of the plug connector.

The stop element and the compression sleeve are each a preferably sleeve-shaped body. Thus, the axial end area of the compression sleeve and the axial end area of the stop element are each preferably a sleeve-shaped body. A longitudinal axis of the stop element, the compression sleeve and the axial end area of the stop element or the compression sleeve therefore runs along the center of rotation of the respective element or the respective end area. A normal vector of a plane or any other surface is to be understood here and in the following as a vector which has an alignment perpendicular to the extension of the plane or surface.

In the non-tilted case and with the same alignment of the axial end faces of the stop element and compression sleeve according to the prior art, only one point along the entire circumference of the foremost turn of the compression sleeve arranged closest to the stop element. Thus, the cable outer conductor is optimally clamped between the stop element and the compression sleeve at only a single point on the circumference, and thus an optimal contact pressure is achieved. With the invention, on the other hand, the optimal clamping of the cable outer conductor in the connector outer conductor and thus the formation of an optimal contact pressure between the cable outer conductor and the connector outer conductor is advantageous over a larger angular segment, preferably at least over half a turn of the thread and at best over the entire turn of the thread, realized. In this way, the occurrence of passive intermodulation and impedance disturbances in the transition between the cable and the connector can be significantly reduced.

The key components of the connector are the compression sleeve and the stop element. Here and in the following, a stop element is understood to mean an element made of an electrically conductive material, preferably a metallic material, within the connector with a stop surface against which the cable outer conductor is pressed in such a way that a secure electrical contact and a secure shield transfer between the Cable outer conductor and the outer conductor contact element of the connector is realized. Here and in the following, a compression sleeve is understood to mean, in particular, an element which, with its axial end region, presses the axial end of the outer cable conductor against the stop surface of the stop element.

The cable is connected to the compression sleeve via a screw connection. The thread formed on the compression sleeve and correspondingly on the outer conductor of the cable Screw connection can be designed to turn left or right. The thread is preferably designed as a round thread. A design as a flat thread, buttress thread, pointed thread, trapezoidal thread or Whitworth thread (conical thread) is also conceivable.

The cable is screwed into the compression sleeve at least up to the axial end of the compression sleeve. It is also conceivable that the cable and thus the outer conductor of the cable is screwed into the compression sleeve beyond the axial end of the compression sleeve.

When the plug connector and the cable are assembled, the axial end area of the compression sleeve is pressed against the axial end area of the stop element in such a way that the axial end of the outer cable conductor is clamped between the compression sleeve and the stop element. In this case, the axial end of the cable outer conductor is preferably completely clamped between the tooth flank surface of the foremost turn of the internal thread formed in the compression sleeve and the stop surface formed opposite on the stop element. In a further embodiment, the axial end of the outer cable conductor can also be clamped between an end face radially adjoining the foremost turn of the internal thread in the axial end region of the compression sleeve and an opposite stop face of the stop element.

As a result of the clamping, the axial end of the outer cable conductor is preferably wrinkled in the press-in zone. The number of folds in the outer cable conductor depends on the one hand on how far the cable with the outer conductor extends beyond the axial end of the foremost thread turn of the compression sleeve survives. On the other hand, the number of folds that form depends on the pitch angle of the thread and on the bendability of the outer conductor tube or the outer conductor material.

The compression sleeve and the stop element are preferably connected via at least one fastening means belonging to the plug connector. The outer conductor contact element and a fastening sleeve preferably each serve as fastening means, which are each connected to one another.

The stop element is inserted in the metallic outer conductor contact element, which forms the main component of the outer conductor contacting of the coaxial connector and is spaced apart from the inner conductor contact element of the connector by an insulator element, and is typically electrically and mechanically connected to the stop element via a press fit. In a special embodiment, the stop element and the outer conductor sleeve can also be designed in one piece.

In the pre-assembled state of the connector, the compression sleeve is arranged so that it can move axially with respect to the stop element and is captive in the connector. For this purpose, the axial movement of the compression sleeve is limited in one axial direction by the stop element and the fastening sleeve.

In the assembled state of the plug connector and the cable, the fastening sleeve is preferably connected to the outer conductor contact element in a positive or non-positive manner (screw or press connection). The fastening sleeve encloses at least the compression sleeve and presses in the assembled state of the Connector and the cable, the compression sleeve axially against the stop element. When the plug connector and the cable are not in the installed state, the fastening sleeve is arranged in the plug connector so that it can move axially along the longitudinal axis of the plug connector, analogously to the compression sleeve. The compression sleeve is pressed in the direction of the stop element, for example, via a shoulder formed on the inner wall or a web of the fastening sleeve formed on the inner wall, which in each case presses, for example, against a flange formed on the outer wall of the compression sleeve or an axial end surface of the compression sleeve directed in the direction of the cable. The mounting sleeve can be made of a metallic or non-metallic material.

Advantageous refinements and developments result from the further dependent claims and from the description with reference to the figures of the drawing.

It goes without saying that the features mentioned above and those still to be explained below can be used not only in the combination specified in each case, but also in other combinations or on their own, without departing from the scope of the present invention.

In a preferred embodiment of the invention, an end face with a tapering diameter is formed in the axial end area of the stop element. The tapering end face of the stop element forms the preferred stop surface of the stop element, against which the axial end of the outer cable conductor is pressed. The tapering end face is preferably conical, but can also be concave or convex. The end face of the stop element that tapers in terms of diameter is preferably formed only in the innermost region of the end face of the stop element and thus has a steep flank. The highest elevation of the end face of the stop element, which tapers in terms of the diameter, is designed to be circular and tapering to a point.

It is preferably formed at a radial distance from the longitudinal axis of the electrical plug connector in such a way that the tapering axial end of the end face of the stop element, which tapers in terms of diameter, pierces the transition region between the insulator and the outer conductor of the cable during the assembly process of the plug connector. In this way, the axial end of the outer cable conductor is reliably deflected along the flank of the end face of the stop element that tapers in terms of diameter. The axial end of the cable is thus deflected from its originally only axial alignment into an alignment with an axial and a radial component, thus enabling frontal and radial contacting with the outer conductor of the plug connector.

The axial end of the outer cable conductor is preferably clamped solely between the bearing surface of the bearing element, which tapers in terms of diameter, and the tooth flank surface of the foremost turn of the internal thread formed on the compression sleeve. Due to the tapering diameter of the bearing surface of the bearing element, the bearing surface also has a component in the longitudinal axis direction of the electrical plug connection. Thus, in the mounted state, it is possible to press the complete foremost turn of the internal thread formed on the compression sleeve against the stop surface of the stop element. In this case, the axial end of the outer cable conductor is equipped with a approximately constant contact pressure over the entire angular circumference of 360° between the foremost turn of the internal thread of the compression sleeve and the stop surface of the stop element. In this case, the occurrence of passive intermodulation and impedance discontinuities is largely prevented.

In addition to the narrowing of the diameter of the end face of the stop element only in the innermost region of the end face, it is also possible to narrow the diameter of the end face over the entire radial extent of the axial end of the stop element.

In order to clamp the outer cable conductor between the stop element and the compression sleeve with an approximately constant contact pressure over the entire angular circumference of 360°, the tilt angle and the alignment angle are each adjusted to the pitch angle of the thread in the compression sleeve or in the outer cable conductor. In the best possible case, they each correspond to the pitch angle of the thread.

Since the axial end of the compression sleeve is not necessarily determined by the tooth flank of the foremost thread turn, but by the connector-side end face of the compression sleeve, which adjoins the thread radially outwards, the connector-side end face of the compression sleeve can be supported on the opposite stop surface of the stop element. In this case, it can happen that the foremost thread turn of the compression sleeve is not pressed against the bearing surface that tapers in terms of diameter. In order to avoid this, in a further preferred embodiment of the invention, the end face of the compression sleeve on the plug side has an inclined plane which corresponds to the gradient angle of the thread corresponds. The normal vector of the end face of the compression sleeve on the plug side is rotated by an orientation angle relative to the longitudinal axis of the compression sleeve, which preferably corresponds to the pitch angle of the thread in the compression sleeve.

Instead of a skewed end face of the compression sleeve on the connector side, an area, preferably a ridge-shaped area, can be axially compressed in the mounted state on the connector-side end of the compression sleeve. If the compression pressure is sufficient, the ridge-like area of the compression sleeve is preferably “leveled” so that the “leveled” plug-side end face of the compression sleeve has an inclined plane. The normal vector of the "leveled" plug-side end face of the compression sleeve has an orientation angle to the longitudinal axis of the compression sleeve, which preferably corresponds to the pitch angle of the thread in the compression sleeve.

In a first embodiment of the invention, the longitudinal axis of the compression sleeve is tilted relative to a longitudinal axis of the electrical connector, at least in the axial end area of the compression sleeve. Since the ferrule represents the movable component of the two essential components for the connection on the outer conductor side, the tilting movement of the ferrule is the simplest and therefore preferred to carry out. The stop element is fixed in the first embodiment and has a longitudinal axis that corresponds to the longitudinal axis of the electrical connector. With the tilting of the compression sleeve, at least the axial end area of the compression sleeve, by a tilting angle that corresponds to the pitch angle of the thread in the compression sleeve, at least one half of the foremost thread turn of the compression sleeve has a parallel alignment to the stop surface of the stop element.

In a first variant of the first embodiment of the invention, only one axial end area of the compression sleeve is tilted relative to the remaining axial area of the compression sleeve. For this purpose, a slot-shaped recess is formed in the compression sleeve. The slot-shaped recess is formed in an axial area of the compression sleeve, which separates the axial end area with at least the foremost thread turn from the rest of the axial area of the compression sleeve.

The slot-shaped recess preferably extends in the circumferential direction of the compression sleeve. It is formed in an angular area of the sleeve-shaped compression sleeve in which the individual thread turn is positioned axially closer to the stop element than the same thread turn in the remaining angle area of the compression sleeve when not assembled. In addition, the slot-shaped recess preferably extends in its longitudinal extent over a specific angular segment in the sleeve-shaped compression sleeve, which is reduced compared to the entire angular circumference of 360°. If both conditions are present, then the slot-shaped recess can be compressed in its transverse extent during the assembly process between the compression sleeve and the compensating element. The compression of the slot-shaped recess in its transverse extension takes place in such a way that the slot-shaped recess is at least partially, preferably completely, closed after the compression.

With the compression of the slot-shaped recess in its transverse extension, there is a tilting movement of the axial end area of the compression sleeve relative to the rest of the axial end area area of the press sleeve. After tilting, at least half of the foremost thread turn in the compression sleeve is oriented in its longitudinal extent normal to the longitudinal axis of the electrical plug connector. Thus, an optimized clamping of the cable outer conductor between the compression sleeve and the stop element and a constant contact pressure between the cable outer conductor and the connector outer conductor is realized.

The size of the angular segment over which the longitudinal extent of the slot-shaped recess extends is preferably greater than 220° and less than 300°, particularly preferably greater than 240° and less than 270°.

The slot-shaped recess preferably extends along a thread turn, preferably in a thread trough of the thread turn, in order to promote the tilting movement of the axial end area of the compression sleeve. However, it is also conceivable to form the slot-shaped recess in a plane of the compression sleeve which is oriented normal to the longitudinal axis of the compression sleeve.

The slot-shaped recess can be implemented as a through hole in the compression sleeve. This is the most agile variant for a tilting movement. In addition, the slot-shaped recess can also be designed as a blind hole starting from the outer lateral surface of the compression sleeve. The depth of the slot-shaped blind hole is dimensioned such that the wall thickness from the bottom of the blind hole to the inner surface of the compression sleeve is thin, which allows axial compression of the blind hole and thus a tilting movement of the axial end area of the compression sleeve during the assembly process.

In addition to the formation of a single slot-shaped recess, a plurality of axially parallel slot-shaped recesses are also possible, each of which extends over an angular segment of different lengths in order to additionally promote a softer and more precise tilting movement.

A dielectric material with high mechanical strength and high elongation at break, for example polyamide, is preferably used for the compression sleeve in order to be able to transmit sufficient compression force from the compression sleeve to the stop element on the one hand and to prevent the axial end area of the compression sleeve from breaking off due to the formation of the To prevent slot-shaped recess.

In a further variant of the first embodiment of the invention, the entire compression sleeve is tilted relative to the stop element. Thus, the longitudinal axis of the entire compression sleeve is tilted to the longitudinal axis of the stop element or to the longitudinal axis of the electrical connector. The pressing sleeve is tilted by a tilting angle that preferably corresponds to the pitch angle of the thread.

In order to tilt the compression sleeve as precisely as possible by this tilting angle, the end face of the compression sleeve on the cable side has, for example, an incline that corresponds to the pitch angle of the thread in the compression sleeve. The normal vector of the cable-side axial end face of the compression sleeve is thus rotated by an orientation angle with respect to the longitudinal axis of the compression sleeve, which corresponds to the pitch angle of the thread in the compression sleeve.

The fastening sleeve, which during the assembly process presses against the cable-side end face of the compression sleeve and presses the compression sleeve against the stop element, causes the compression sleeve to tilt during the assembly process, preferably at the height of the pitch angle.

Alternatively, a flange-shaped or web-shaped area formed on the outer lateral surface of the compression sleeve, on which the fastening sleeve presses, can also have a skewness formed in this way. It is also conceivable that the interior of the fastening sleeve and additionally of the outer conductor contact element, in which the compression sleeve is held in the assembled state, each have a shape that enables the compression sleeve to be tilted precisely by the pitch angle. For this purpose, for example, the inner space of the fastening sleeve and of the outer conductor contact element is to be formed in a correspondingly skewed manner and thus no longer coaxially with the longitudinal axis of the electrical plug connector.

In a second embodiment of the invention, the longitudinal axis of the stop element is tilted relative to a longitudinal axis of the electrical connector, at least in an axial end region of the stop element. The longitudinal axis of the compression sleeve corresponds to the longitudinal axis of the electrical connector. Thus, the compression sleeve can be moved through the fastening sleeve via a simple translational movement, i. H. are pressed against the stop element via an axial movement along the longitudinal axis of the electrical connector.

A tilting movement of the stop element by a tilting angle, preferably at the level of the gradient angle of the Thread, the stop surface of the stop element can be aligned with the oblique orientation of at least one half of the longitudinal extent of the foremost thread turn in the ferrule.

In a first variant of the second embodiment of the invention, a slot-shaped recess is formed in the hollow-cylindrical stop element in analogy to the first variant of the first embodiment, which is at least partially, preferably completely, compressed in its transverse extension after the assembly of the connector and the cable. In this way, the longitudinal axis of the axial end area of the stop element is tilted relative to the longitudinal axis of the electrical plug connector or to the longitudinal axis of the compression sleeve.

For the shape of the slot-shaped recess in the stop element, the features already explained above for the slot-shaped design in the compression sleeve apply equivalently:
The slot-shaped recess can be designed both as a through hole and as a blind hole. In addition to the formation of a single slot-shaped recess, several slot-shaped recesses running axially parallel are also possible, each of which extends over an angular segment of different length.

A metallic material with a high mechanical strength, a high elongation at break and a high electrical conductivity, for example brass or bronze, should preferably be used for the stop element.

The slot-shaped recess is preferably in an angular area of the sleeve-shaped stop element formed, to which the individual thread winding formed in the opposite compression sleeve is positioned axially closest. In addition, the slot-shaped recess preferably extends in its longitudinal extension over a specific angular segment into the sleeve-shaped stop element, which is reduced compared to the entire angular circumference of 360°. The size of the angular segment over which the slot-shaped recess extends is preferably greater than 220° and less than 300°, particularly preferably greater than 240° and less than 270°.

With the compression of the slot-shaped recess in its transverse extent, there is a tilting movement of the axial end area of the stop element relative to the remaining axial area of the stop element. After the tilting, the longitudinal axis of the axial end area of the stop element is oriented orthogonally to at least half the longitudinal extent of the foremost thread turn in the compression sleeve. This achieves an approximately optimized clamping of the cable outer conductor between the compression sleeve and the compensating element and an approximately constant contact pressure between the cable outer conductor and the connector outer conductor.

In a second variant of the second embodiment of the invention, the entire stop element is tilted by a tilting angle that preferably corresponds to the pitch angle of the thread. For this purpose, the interior of the hollow-cylindrical outer conductor contact element, in which the stop element is inserted, is preferably shaped in such a way that when the plug connector and the cable are assembled, the compression sleeve can set the stop element in a tilting movement and the stop element is in the position at the end of the assembly process correct tilting orientation can be located within the outer conductor contact element.

For this purpose, a stop surface, for example a shoulder or a web, is formed on the inner wall of the outer conductor contact element, on which the stop element can be supported in the assembled state. The normal vector of the stop surface is skewed to the longitudinal axis of the stop element, i. H. the normal vector of the abutment surface is rotated to the longitudinal axis of the abutment element by an orientation angle which preferably corresponds to the pitch angle of the thread.

Alternatively, the end face of the stop element on the plug side can be inclined relative to the longitudinal axis of the stop element, i. H. the normal vector of the end face of the stop element on the plug side is rotated to the longitudinal axis of the stop element by an orientation angle which corresponds to the pitch angle of the thread of the compression sleeve.

In both cases, the stop element, which is set in a tilting movement by the compression sleeve during the assembly process, is tilted in the assembled state by a tilting angle, which preferably corresponds to the pitch angle of the thread of the compression sleeve, relative to the longitudinal axis of the connector.

In a third embodiment of the invention, a normal vector of a plane spanned by an edge between an end face and an inner lateral surface of the stop element is tilted to a longitudinal axis of the electrical connector, preferably by the pitch angle of the compression sleeve thread. The longitudinal axes the stop element, the compression sleeve and the electrical connector are identical in this case.

Such an orientation of the cable-side end region of the stop element by a tilt angle equal to the pitch angle of the thread allows the stop surface of the stop element to be aligned with the oblique orientation of at least half the longitudinal extension of the foremost thread turn in the compression sleeve.

If the end area of the stop element on the cable side has a tapering diameter in addition to its oblique orientation, the axial end of the outer cable conductor is preferably pressed between the flank of the tapering end face of the stop element and the foremost thread of the compression sleeve over the entire angular circumference of 360°. Thus, an approximately constant contact pressure is realized between the outer conductor of the cable and the outer conductor of the connector.

In a fourth embodiment of the invention, the edge between the end face and the inner lateral surface of the stop element has a helical course in a longitudinal axis direction of the plug connector. The helical course of the edge preferably corresponds to the helical course of the thread turn in the inner lateral surface of the compression sleeve. In addition to the helical course of the edge, the end area of the stop element on the cable side can have an end face with a tapering diameter.

Thus, the axial end of the cable outer conductor is preferably between the flank of the tapered end face of the Stop element and the foremost thread turn of the compression sleeve are clamped with constant contact pressure over the entire angular circumference of 360°.

Also covered by the invention is an electrical connector assembly having an electrical connector and a cable whose outer conductor is screwed into the compression sleeve of the electrical connector.

Finally, the invention also covers an electrical plug connection with an electrical plug connector arrangement and an electrical mating connector that corresponds to the electrical plug connector.

The technical features explained so far for the electrical connector apply analogously to the electrical connector arrangement and to the electrical plug connection.

The above configurations and developments can be combined with one another as desired, insofar as this makes sense. Further possible configurations, developments and implementations of the invention also include combinations of features of the invention described above or below with regard to the exemplary embodiments that are not explicitly mentioned. In particular, the person skilled in the art will also add individual aspects as improvements or additions to the respective basic form of the present invention.

CONTENTS OF THE DRAWING

Fig. 1A

eine Querschnittsdarstellung einer erfindungsgemäßen elektrischen Steckverbinderanordnung in einem vormontierten Zustand,

Fig. 1B

eine Querschnittsdarstellung der erfindungsgemäßen elektrischen Steckverbindung,

Fig. 2A,2B

eine Querschnittsdarstellung einer ersten Variante einer ersten Ausführungsform des erfindungsgemäßen Steckverbinders im nicht montierten Zustand und im montierten Zustand,

Fig. 2C

eine Querschnittsdarstellung einer Abwandlung einer Presshülse einer ersten Variante einer ersten Ausführungsform des erfindungsgemäßen Steckverbinders,

Fig. 3A,3B, 3C,3D,

eine Sequenz von Querschnittsdarstellungen einer weiteren Abwandlung einer Presshülse einer ersten Variante einer ersten Ausführungsform des erfindungsgemäßen Steckverbinders im Konfektionsprozess,

Fig. 4A,4B

eine Querschnittsdarstellung einer zweiten Variante einer ersten Ausführungsform des erfindungsgemäßen Steckverbinders im nicht montierten Zustand und im montierten Zustand,

Fig. 5A,5B

eine Querschnittsdarstellung einer ersten Variante einer zweiten Ausführungsform des erfindungsgemäßen Steckverbinders im nicht montierten Zustand und im montierten Zustand,

Fig. 6A,6B

eine Querschnittsdarstellung einer zweiten Variante einer zweiten Ausführungsform des erfindungsgemäßen Steckverbinders im nicht montierten Zustand und im montierten Zustand,

Fig. 7A,7B

eine Querschnittsdarstellung einer dritten Ausführungsform des erfindungsgemäßen Steckverbinders im nicht montierten Zustand und im montierten Zustand,

Fig. 8A,8B

eine Querschnittsdarstellung einer vierten Ausführungsform des erfindungsgemäßen Steckverbinders im nicht montierten Zustand und im montierten Zustand und

Fig. 8C

eine perspektivische Darstellung eines Anschlagelements der vierten Ausführungsform des erfindungsgemäßen Steckverbinders.

The present invention is explained in more detail below with reference to the exemplary embodiments given in the schematic figures of the drawing. They show:

Figure 1A

a cross-sectional view of an electrical connector assembly according to the invention in a pre-assembled state,

Figure 1B

a cross-sectional view of the electrical connector according to the invention,

2A,2B

a cross-sectional view of a first variant of a first embodiment of the connector according to the invention in the unassembled state and in the assembled state,

Figure 2C

a cross-sectional view of a modification of a compression sleeve of a first variant of a first embodiment of the connector according to the invention,

3A,3B, 3C,3D,

a sequence of cross-sectional views of a further modification of a compression sleeve of a first variant of a first embodiment of the connector according to the invention in the assembly process,

4A,4B

a cross-sectional view of a second variant of a first embodiment of the connector according to the invention in the unassembled state and in the assembled state,

Figures 5A, 5B

a cross-sectional view of a first variant of a second embodiment of the connector according to the invention in the unassembled state and in the assembled state,

Figures 6A, 6B

a cross-sectional view of a second variant of a second embodiment of the connector according to the invention in the unassembled state and in the assembled state,

Figures 7A, 7B

a cross-sectional view of a third embodiment of the connector according to the invention in the unassembled state and in the assembled state,

8A,8B

a cross-sectional view of a fourth embodiment of the connector according to the invention in the unassembled state and in the assembled state and

Figure 8C

a perspective view of a stop element of the fourth embodiment of the connector according to the invention.

The accompanying drawing figures are intended to provide a further understanding of embodiments of the invention. They illustrate embodiments and, together with the description, serve to explain principles and concepts of the invention. Other embodiments and many of the foregoing advantages will become apparent by reference to the drawings. The elements of the drawings are not necessarily shown to scale with respect to one another.

In the figures of the drawing are identical, functionally identical and identically acting elements, features and components - unless otherwise stated - each provided with the same reference numerals.

The figures are described in a coherent and comprehensive manner below.

DESCRIPTION OF EXEMPLARY EMBODIMENTS

Before the individual variants and embodiments of an electrical connector according to the invention are explained in detail, the electrical connector assembly according to the invention is in a pre-assembled state based on Figure 1A and the electrical connector from the mounted electrical connector and associated electrical mating connector based on Figure 1B explained:
When assembled, the electrical connector arrangement 1 has an electrical connector 2 and a cable 3 connected to the electrical connector 2 (see FIG Figure 1B ). The electrical connector assembly 1, the electrical connector 2 and the cable 3 are each formed coaxially for the transmission of a high-frequency signal.

The cable 3 has an inner conductor 4 , a dielectric 5 concentrically enclosing the inner conductor 4 , an outer conductor 6 concentrically enclosing the dielectric and a cable jacket 7 concentrically enclosing the outer conductor 6 . The outer conductor 6 is designed as a corrugated metal tube. The area between the corrugated metal tube of the outer conductor 6 and the dielectric 5 is preferably filled with air to allow easy bending of such a "corrugated cable". The inner conductor 4 can also be formed as a corrugated metal tube or as a non-corrugated metal tube.

The electrical connector 2 has an inner conductor contact element 8 , an outer conductor contact element 9 and an insulator element 10 which is arranged between the inner conductor contact element 8 and the outer conductor contact element 9 . The insulator element 10 spaces the inner conductor contact element 8 coaxially to the outer conductor contact element 9 and electrically insulates them from one another.

On the cable side, the inner conductor contact element 8 has a socket-shaped end 11 embodied as a spring contact sleeve for receiving and for the non-positive connection of the inner conductor 4 of the cable 3 . On the plug side, the inner conductor contact element 8 preferably has a pin-shaped end 12 for contacting or for connection to the socket-shaped mating contact element of the electrical mating connector (cf. Figure 1B ). Alternatively, the end of the inner conductor contact element 8 on the plug side can also be designed in the form of a socket.

The outer conductor contact element 9 is sleeve-shaped. A ring-shaped metallic stop element 13 is arranged on a shoulder formed on the inner lateral surface of the outer conductor contact element 9 in the direction of the cable 3 . The stop element 13 is preferably connected to the outer conductor contact element 9 by means of a press fit. However, other fastening techniques are also conceivable, such as a screw connection or a soldered connection. Alternatively, the stop element 13 can also be connected in one piece to the outer conductor contact element 9 be. A compression sleeve 14 is arranged axially adjacent to the stop element 13 in the direction of the cable 3 .

In the unassembled state of the connector assembly 1, in which the cable 3 is not yet connected to the connector 2, the compression sleeve 14 is arranged axially within the connector 1 movable. In the assembled state of the plug connector arrangement 1, a press connection is formed between the stop element 13 and the compression sleeve 14, in which the axial end 15 of the outer conductor 6 of the cable 3, which is exposed from the cable jacket 7, is held between an end face of the stop element 13 designed as a stop surface 16 and the end region 17 on the plug side the compression sleeve 14 is clamped. In order to deflect the axial end 15 of the outer conductor 6 of the cable 3 from its original axial orientation during the pressing into an axial and at the same time a radial orientation, the stop element 13 has a tapering outer diameter in the direction of the cable 3 . Preferably, the tapering of the outer diameter of the stop element 13 is formed only in a region on the inner surface of the sleeve-shaped stop element 13 in which the stop element 13 is extended in the direction of the cable 3 by an axial extension 18 with a conical outer surface. The axial extension 18 with the conical outer lateral surface is preferably positioned radially on the stop element 13 in such a way that during the assembly process the tip of the conical extension 18 of the stop element 13 pierces precisely into the cable 3 between the dielectric 5 and the outer conductor 6 and the axial end 15 of the outer conductor 6 deflects axially and radially outwards.

The inner lateral surface 19 of the compression sleeve 14 is thread-shaped, which corresponds to the thread-shaped outer lateral surface 20 of the outer conductor 6 of the cable 3 and consequently has the same thread pitch and the same tooth flank shape and size. During the assembly process, the corrugated cable is screwed into the compression sleeve 14 with the outer conductor 6 exposed by the cable sheath 7 . At the end of the screwing process, a longitudinal section of the axial end 15 of the outer conductor 6 is unscrewed from the foremost turn of the thread-shaped inner lateral surface 19 of the compression sleeve 14, which is required for reliable clamping between the stop element 13 and the compression sleeve 14.

In the case of the first variant of the first embodiment of the invention, the compression sleeve 14 is preferably made of a plastic material in order to achieve sufficient elasticity for the axial end area to tilt relative to the remaining area of the compression sleeve 14 . In all other variants and embodiments of the invention, a metallic material can also be used as an alternative. The compression sleeve 14 is guided in the end region 21 of the sleeve-shaped outer conductor contact element 9 on the cable side. In the assembled state of the connector assembly 1 according to Figure 1B a fastening sleeve 22 acts axially on the compression sleeve 14 in the direction of the stop element 13 and presses the plug-side end region 17 of the compression sleeve 14 against the stop surface 16 of the stop element 13.

The fastening sleeve 22 is attached to the plug-side end 23 via a screw connection or alternatively via a press connection on the outer lateral surface of the outer conductor contact element 9 and has a cable-side end 24 front-end termination area 25 with a through-hole 26 for carrying out the cable 3 . The assembly process between the fastening sleeve 22 and the compression sleeve 14 takes place via a stop surface 27 of the fastening sleeve 22 formed on the inside of the end region 25 on the end face, which presses against a counter-stop surface 28 of the compression sleeve 14, which is attached to a flange-, web- or shoulder-shaped area 29 or alternatively to the cable-side end face of the compression sleeve 14 is formed.

To seal the connector arrangement 1 on the cable side, a sealing element 30 is preferably arranged between the cable jacket 7 of the cable 3 and the end region 25 of the fastening sleeve 22 at the end. To seal the plug-in connector arrangement 1 on the plug-side, a further sealing element 30 is preferably inserted in a groove formed on the plug-side end 31 of the outer conductor contact element 9 on the outer lateral surface.

The mechanical fastening between the electrical plug connector 2 and the associated electrical mating connector 32 of the electrical plug connection 33 takes place in a known manner via a union nut 34 which is movably attached to the plug connector 2 . The internal thread formed on the inner lateral surface of the union nut 34 can be screwed to a corresponding external thread which is formed on the outer lateral surface of the outer conductor contact element 35 of the mating connector 32 . The outer conductor contact element 35 of the mating connector 32 encloses a dielectric 36 of the mating connector 32. The dielectric 36 of the mating connector 32 encloses the inner conductor 37 of the mating connector 32. On the plug-side end of the inner conductor contact element 37 of the mating connector 32 is a spring contact sleeve 38 is formed, in which the inner conductor contact element 8 of the connector 2 is added. At the plug-side end, a further spring contact sleeve 39 is inserted into the outer conductor contact element 35 of the mating connector 32 , preferably by means of a press fit, and makes contact with the inner lateral surface of the outer conductor contact element 9 of the connector 2 .

In the cross-sectional views of the following figures, the electrical connector 2 is shown without the cable 3 for the sake of clarity.

In a first variant of the first embodiment of a connector 2 according to the invention Figures 2A and 2B the compression sleeve 14 has a slot-shaped recess 40 which is designed as a through hole between the inner lateral surface and the outer lateral surface. This slot-shaped recess 40 preferably runs along a turn of the thread-shaped inner lateral surface 19. As can be seen from the cross-sectional representations of FIG Figures 2A and 2B it can be seen that the slot-shaped recess 40 extends only over an angular segment that is reduced by 360° compared to the full angular circumference.

In addition, the normal vector L _SEP of the axial end face 42 of the axial end region 41 of the compression sleeve 14 in the non-assembled state Figure 2A rotated by an orientation angle φ _A relative to the longitudinal axis L _P of the compression sleeve 14 or the longitudinal axis L _S of the connector 2 . The orientation angle φ _A preferably corresponds to the pitch angle of the thread of the thread-shaped inner surface of the compression sleeve 14. The axial end face 42 of the axial end portion 41 of the compression sleeve 14 is thus opposite a formed in the longitudinal direction L _S of the connector 2 aligned axial end face as an inclined plane.

In the assembled state of the connector 2, in which the axial end 15 of the outer conductor 8 of the cable 3 is clamped between the stop element 13 and the compression sleeve 14, the slot-shaped recess 40 according to FIG Figure 2B preferably closed. Thus, an axial end area 41 of the compression sleeve 14 , which is arranged next to the stop element 13 on the plug side, is tilted relative to the remaining area of the compression sleeve 14 .

In the non-assembled state of the plug connector 2, the longitudinal axis L _P of the compression sleeve 14, the longitudinal axis L _A of the stop element 13 and the longitudinal axis L _S of the plug connector 2 run according to FIG Figure 2A on a common line. When the connector 2 is assembled, the longitudinal axis L _AEP of the tilted axial end region 41 of the compression sleeve 14 is aligned with the longitudinal axis L _A of the stop element 13, which corresponds to the longitudinal axis L _S of the connector 2 Figure 2B tilted by a tilt angle φ _K. In the mounted state, the normal vector L _SEP of the axial end face 42 of the axial end area 41 of the compression sleeve 14 is still rotated by the orientation angle φ _A relative to the longitudinal axis L _AEP of the tilted axial end area 41 of the compression sleeve 14 .

Due to the tilting of the axial end area 41 of the compression sleeve 14 and the inclination Φ _A of the axial end face 42 to the longitudinal axis L _AEP of the tilted axial end area 41 of the compression sleeve 14 in combination with the conical outer lateral surface of the axial extension 18 of the stop element 13, the plug-side end area 17 of the compression sleeve 14 over the entire angular circumference of 360 ° to the Stop surface 16 of the conically shaped axial extension 18 of the stop element 13 is pressed. Thus, the axial end 15 of the outer conductor 6 of the cable 3 is optimally clamped over the entire angular circumference of 360° between the compression sleeve 14 and the stop element 13 and a constant contact pressure and thus a constant contact resistance between the corrugated outer conductor 8 of the cable 3 and the outer conductor contact element 9 of the connector 2 realized over the entire angular range of 360 °.

Instead of a through-hole designed as a slot-shaped recess 40 according to FIG Figures 2A and 2B Alternatively, a compression sleeve 14 with a slot-shaped recess 40 designed as a blind hole can also be used. The blind hole is according to Figure 2C preferably formed on the outer lateral surface of the compression sleeve 14 in such a way that the remaining wall of the compression sleeve 14 between the blind hole and the thread-shaped inner lateral surface 19 of the compression sleeve 14 can be deformed by the pressing force during the assembly process for tilting the axial end region 41 by the tilting angle φ _K.

The Figures 3A to 3D represent the assembly process between the stop element 13 and the compression sleeve 14, which is slotted through a slot-shaped recess 40, in which the normal vector L _SEP of the axial end face 42 of the axial end region 41 of the compression sleeve 14 in the direction of the longitudinal axis L _A , L _S , L _P of the stop element 13, the connector 2 and the compression sleeve 14 is directed. Such a non-skew configuration of an axial end face 42 of the axial end region 41 of the compression sleeve 14 forms at least over a specific angular segment on the axial end face 42 a ridge-like area 43, such as in particular Figure 3A can be seen.

In a first process point in time of the assembly process, which Figure 3A is held, first contact between the stop surface 16 of the stop element 13 and the connector-side axial end region 17 of the compression sleeve 14 only occurs in a small angular segment of the compression sleeve 14. This contacting angular segment is preferably located opposite the angular segment in which the ridge-shaped area is located 43 forms on the compression sleeve 14 (in the right area of the Figure 3A ). The slot-shaped recess 40 in the compression sleeve 14 is still completely open at this point in the process.

In a second process point in time of the assembly process, which Figure 3B is held, there is a first contact between the burr-shaped area 43 of the compression sleeve 14 and the stop surface 16 of the stop element 13. The elongated hole-shaped recess 40 in the compression sleeve 14 is already slightly indented in the axial direction at this point in the process and is thus reduced.

In a third process point in time of the assembly process, which Figure 3C is held, the burr-shaped area 43 of the compression sleeve 14 is compressed on the opposite stop surface 16 of the stop element 13. The slot-shaped recess 40 in the compression sleeve 14 is already closed to an advanced extent at this point in the process.

In a fourth process point in time of the assembly process, which 3D is held, is the upsetting of burr-shaped area 43 of the compression sleeve 14 on the opposite stop surface 16 of the stop element 13 completed. The ridge-like area 43 of the compression sleeve 14 is completely compressed or "leveled". The slot-shaped recess 40 in the compression sleeve 14 is completely closed at this point in the process. This is in 3D not shown axial end 15 of the outer conductor 8 of the cable 3 between the connector-side axial end portion 17 of the compression sleeve 14 and the stop surface 16 of the stop element 13 is clamped without the presence of an air gap over the entire circumference of 360 °.

K gegenüber der Längsachse L_A des Anschlagelements 13 bzw. der Längsachse L_S des Steckverbinders 2 gekippt. Um ein Kippen der Presshülse 14 während des Montagevorgangs zu bewirken, weist die kabelseitige Stirnfläche der Presshülse 14, die die Gegenanschlagfläche 28 der Presshülse 14 bildet, eine Schiefe

ΦA zur Längsachse L_P der Presshülse 14 in Höhe des Kippwinkel Φ_K auf, d. h. der Normalenvektor L_KEP der Gegenanschlagfläche 28 der Presshülse 14 ist um den Ausrichtungswinkel Φ_A gegenüber der Längsachse L_P der Presshülse 14 gedreht. Die Befestigungshülse 22, die im Montagevorgang mit der Anschlagfläche 27 an die Gegenanschlagfläche 28 der Presshülse 14 drückt, bewirkt im Montagevorgang ein Kippen der Presshülse 14 um den Kippwinkel

K. Im montierten Zustand weist die Gegenanschlagfläche 28 der Presshülse 14 eine Orientierung parallel zur Längsachse L_A des Anschlagelements 13 bzw. zur Längsachse L_S des Steckverbinders 2 auf.In a second variant of the first embodiment of a connector 2 according to the invention Figures 4A and 4B the compression sleeve 14 is designed without a slot-shaped recess 40 . During the assembly process, the entire compression sleeve 14 is tilted. In the assembled state according to Figure 4B is the longitudinal axis L _P of the compression sleeve 14 around the tilt angle

K relative to the longitudinal axis L _A of the stop element 13 and the longitudinal axis L _S of the connector 2 is tilted. In order to cause the compression sleeve 14 to tilt during the assembly process, the end face of the compression sleeve 14 on the cable side, which forms the counter-stop surface 28 of the compression sleeve 14, is skewed

ΦA to the longitudinal axis L _P of the compression sleeve 14 at the level of the tilt angle Φ _K , ie the normal vector L _KEP of the counter stop surface 28 of the compression sleeve 14 is rotated by the orientation angle Φ _A relative to the longitudinal axis L _P of the compression sleeve 14 . The fastening sleeve 22, which during the assembly process presses with the stop surface 27 against the counter-stop surface 28 of the compression sleeve 14, causes the compression sleeve 14 to tilt by the tilting angle during the assembly process

K. In the assembled state, the counterstop surface 28 of the compression sleeve 14 has a Orientation parallel to the longitudinal axis L _A of the stop element 13 or to the longitudinal axis L _S of the connector 2.

In addition, the connector-side end face 42 of the compression sleeve 14 is inclined Φ _A to the longitudinal axis L _P of the compression sleeve 14 at the level of the tilt angle Φ _K , i.e. the normal vector L _SEP of the connector-side end face 42 of the compression sleeve 14 is by the alignment angle Φ _A with respect to the longitudinal axis L _P of the compression sleeve 14 rotated.

Due to the tilting of the compression sleeve 14 and the skewness Φ _A of the connector-side end face 42 of the compression sleeve 14, the connector-side end region 17 of the compression sleeve 14 is pressed over the entire angular circumference of 360° against the stop surface 16 of the conically shaped axial extension 18 of the stop element 13. The axial end 15 of the outer conductor 6 of the cable 3 is thus optimally clamped over the entire angular circumference of 360° between the compression sleeve 14 and the stop element 13 without the presence of an air gap. In order to enable the pressing sleeve 14 to tilt within the outer conductor contact element 9, the cable-side end region 21 of the sleeve-shaped outer conductor contact element 9 is preferably shorter and designed with a larger inner diameter than in the first variant.

In a first variant of the second embodiment of a connector 2 according to the invention Figures 5A and 5B Equivalent to the first variant of the first embodiment of the invention, a recess 44 in the form of a slot, preferably a recess 44 in the form of a through hole, is formed in the stop element 13 . The formation of the slot-shaped recess 44 in the stop element 13 is realized in the stop element 13 on the cable side an axial end area 45 of the stop element 13, which has a certain elastic mobility in relation to the remaining area of the stop element 13. With regard to the shape of the slot-shaped recess 44 in the stop element 13, the technical features already explained for the slot-shaped 40 of the compression sleeve 14 apply equivalently.

In addition, the cable-side end face 42 of the compression sleeve 14, as already explained in the two variants of the first embodiment of the invention, has an obliquity Φ _A to the longitudinal axis L _P of the compression sleeve 14 at the level of the tilt angle Φ _K , ie the normal vector L _SEP of the end face 42 of the compression sleeve 14 is rotated by the orientation angle Φ _A relative to the longitudinal axis L _P of the compression sleeve 14 .

The slot-shaped recess 44 in the stop element 13 is at least partially closed by the assembly process. The axial end area 45 of the stop element 13 on the cable side is tilted by the tilting angle Φ _K . When the connector 2 is assembled, the longitudinal axis L _AEA of the axial end region 45 of the stop element 13 is tilted by the tilt angle Φ _K relative to the longitudinal axis L _S of the connector 2 or the longitudinal axis L _P of the compression sleeve 14 .

By tilting the axial end area 45 of the stop element 13 and by the inclination Φ _A of the plug-side end face 42 of the compression sleeve 14, the plug-side axial end area 17 of the compression sleeve 14 is pressed over the entire angular circumference of 360° to the stop surface 16 of the conical axial extension 18 of the Stop element 13 pressed. Thus, the axial end 15 of the outer conductor 6 of the cable 3 is optimal without the presence of an air gap the entire angle of 360 ° between the compression sleeve 14 and the stop element 13 is clamped.

In a second variant of the second embodiment of the invention according to the Figures 6A and 6B the stop element 13 is tilted by the tilting angle Φ _K during the assembly process. In order to allow the stop element 13 to tilt within the outer conductor contact element 9, the inner diameter of the outer conductor contact element 9 is to be increased slightly and the end contact surface of the stop element 13 on the outer conductor contact element 9 is designed with a skew.

The plug-side end face 42 of the compression sleeve 14 also has a skewness Φ _A to the longitudinal axis L _P of the compression sleeve 14 at the level of the tilt angle Φ _K , i.e. the normal vector L _SEP of the end face 42 of the compression sleeve 14 is offset by the alignment angle Φ _A relative to the longitudinal axis L _P Press sleeve 14 rotated. The stop element 13 is tilted in that the plug-side axial end region 17 of the compression sleeve 14 presses against the stop surface 16 of the stop element 13 .

Due to the tilting of the stop element 13 and the skewness Φ _A of the plug-side end face 42 of the compression sleeve 14, the plug-side axial end region 17 of the compression sleeve 14 is pressed over the entire angular circumference of 360° against the stop surface 16 of the conically shaped axial extension 18 of the stop element 13. The axial end 15 of the outer conductor 6 of the cable 3 is thus optimally clamped over the entire angular circumference of 360° between the compression sleeve 14 and the stop element 13 without the presence of an air gap.

In a third embodiment of the invention according to Figures 7A and 7B the plane 46, which is spanned by an edge 47 between the end face, ie the stop surface 16, and the inner lateral surface 48 of the stop element 13, has an obliquity Φ _A at the level of the tilt angle Φ _K , ie the normal vector L _KEA of this plane 46 rotated by the orientation angle Φ _A to the longitudinal axis L _S of the connector 2 or to the longitudinal axis L _P of the compression sleeve 14 or to the longitudinal axis L _A of the stop element 13 .

The plug-side end face 42 of the compression sleeve 14 also has a skewness Φ _A at the level of the tilt angle Φ _K , ie the normal vector L _SEP of the cable-side end face 42 of the compression sleeve 14 is by the alignment angle Φ _A to the longitudinal axis L _S of the connector 2 or to the longitudinal axis L _P of the compression sleeve 14 or to the longitudinal axis L _A of the stop element 13 rotated.

Due to the identical skewness Φ _A of the connector-side end face 42 of the compression sleeve 14 and the plane 46, the connector-side end region 17 of the compression sleeve 14 is pressed over the entire angular circumference of 360° against the stop surface 16 of the conically shaped axial extension 18 of the stop element 13. The axial end 15 of the outer conductor 6 of the cable 3 is thus optimally clamped over the entire angular circumference of 360° between the compression sleeve 14 and the stop element 13 without the presence of an air gap.

Instead of the obliquely shaped plug-side end face 42 of the compression sleeve 14, in the individual variants and embodiments of the invention, alternatively, a plug-side end face 42 of the compression sleeve 14, whose Normal vector L _SEP is directed in the direction of the longitudinal axis LS of the connector 2 and on which a ridge-like portion 43 is formed in a certain angular range can be used.

In a fourth embodiment of the invention according to Figures 8A to 8C the edge 47 between the end face, i.e. the stop surface 16 and the inner lateral surface 48 of the stop element 13, has a helical course in the direction of the longitudinal axis L _S of the connector 2, which corresponds to the helical course of the thread turn on the inner lateral surface 19 of the compression sleeve 14. In the assembled state of the connector assembly 1 according to Figure 8B the conically shaped area of the stop surface 16 of the stop element 13 thus runs parallel to the tooth flank surface of the foremost turn of the internal thread formed in the compression sleeve 14 . The stop surface 16 of the stop element 13 preferably has a conical flank.

The axial end 15 of the outer conductor 6 of the cable 3 is thus clamped with constant contact pressure over the entire angular circumference of 360° between the axial end region 17 of the compression sleeve 14 and the stop surface 16 of the stop element 13 .

Although the present invention has been fully described above on the basis of preferred exemplary embodiments, it is not restricted to them, but rather can be modified in a variety of ways.

Claims (15)

1. Electrical plug connector (2) for a cable (3), having a compression sleeve (14) and a stop element (13), wherein the stop element (13) is arranged axially adjacently to the compression sleeve (14) in an insertion direction of the electrical plug connector (2) and is connected to the compression sleeve (14),

   wherein the compression sleeve (14) has an inner lateral surface (19) shaped in the form of a thread, which inner lateral surface is designed to be screwable to an outer lateral surface (20), shaped in the form of a thread, of an outer conductor (6) of the cable (3),

   wherein the connection between the compression sleeve (14) and stop element (13) is designed in such a way that an axial end (15) of the outer conductor (8) is clampable between an axial end region (41) of the compression sleeve (14) adjacent to the stop element (13) and an axial end region (45) of the stop element (13) adjacent to the compression sleeve (14),

   characterized in that

   a) in an assembled state of the plug connector (2) and of the cable (3), a longitudinal axis of the compression sleeve (14), at least in the axial end region (41) of the compression sleeve (14), is tilted by a tilt angle (φ_K) relative to a longitudinal axis of the stop element (13) at least in the axial end region (45) of the stop element (13) or

   b) a normal vector of a plane (46) which is spanned by an edge (47) between an end face (16) and an inner lateral surface (48) of the stop element (13) is rotated by an orientation angle (φ_A) relative to the longitudinal axis of the compression sleeve (14) or

   c) the edge (47) has a helical course in a longitudinal axis direction of the plug connector (2).
2. Electrical plug connector (2) according to claim 1,
   characterized in that
   in the axial end region (44) of the stop element (13), the end face (16) is formed with a tapering diameter.
3. Electrical plug connector (2) according to claim 1 or 2,
   characterized in that
   the tilt angle (φ_K) and the orientation angle (φ_A) each lie in an angular range of +/- 20% of a pitch angle of a thread path of the inner lateral surface (19) shaped in the form of a thread, preferably in an angular range of +/- 10% of the pitch angle, in particular preferably in an angular range of +/- 5% of the pitch angle, and at best correspond to the pitch angle.
4. Electrical plug connector (2) according to one of claims 1 to 3,
   characterized in that
   a normal vector of a plug-side end face (42) of the compression sleeve (14) to the longitudinal axis of the compression sleeve (14) is rotated by the orientation angle (φ_A).
5. Electrical plug connector (2) according to one of claims 1 to 3,
   characterized in that
   a region, preferably a ridge-like region (43), of the axial end region (41) of the compression sleeve (14) in an assembled state of the plug connector (2) and of the cable (3) is axially compressed.
6. Electrical plug connector (2) according to one of claims 3 to 5,
   characterized in that
   the longitudinal axis of the compression sleeve (14), at least in the axial end region (41) of the compression sleeve (14), is tilted relative to a longitudinal axis of the electrical plug connector (2).
7. Electrical plug connector (2) according to claim 6,
   characterized in that
   a slot-shaped recess (40) is formed in the compression sleeve (14).
8. Electrical plug connector (2) according to claim 7,
   characterized in that
   a longitudinal extent of the slot-shaped recess (40) is formed along the thread path, preferably along a thread valley of the thread path, or normal to the longitudinal axis of the compression sleeve (14).
9. Electrical plug connector (2) according to claim 7 or 8,
   characterized in that
   the slot-shaped recess (40) of the compression sleeve (14) is formed as a through-bore or as a blind bore.
10. Electrical plug connector (2) according to claim 6,
    characterized in that
    the longitudinal axis of the entire compression sleeve (14) is tilted relative to the longitudinal axis of the electrical plug connector (2).
11. Electrical plug connector (2) according to one of claims 3 to 5,
    characterized in that
    the longitudinal axis of the stop element (13), at least in the axial end region (45) of the stop element (13), is tilted relative to a longitudinal axis of the electrical plug connector (2).
12. Electrical plug connector (2) according to claim 11,
    characterized in that
    a slot-shaped recess (44) is formed in the stop element (13).
13. Electrical plug connector (2) according to claim 11,
    characterized in that
    the longitudinal axis of the entire stop element (13) is tilted relative to the longitudinal axis of the electrical plug connector (2).
14. Electrical plug connector assembly comprising an electrical plug connector (2) according to one of claims 1 to 13 and the cable (3), the outer conductor (3) of which is screwed into the compression sleeve (14) of the electrical plug connector (2).
15. Electrical plug connection (33) comprising an electrical plug connector assembly (1) according to claim 14 and an associated electrical mating plug connector (32).

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