EP3427348B1 - Plug-in connection having a plugging indicator - Google Patents

Plug-in connection having a plugging indicator Download PDF

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Publication number
EP3427348B1
EP3427348B1 EP17709691.4A EP17709691A EP3427348B1 EP 3427348 B1 EP3427348 B1 EP 3427348B1 EP 17709691 A EP17709691 A EP 17709691A EP 3427348 B1 EP3427348 B1 EP 3427348B1
Authority
EP
European Patent Office
Prior art keywords
guide
plug
holding
connection
web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17709691.4A
Other languages
German (de)
French (fr)
Other versions
EP3427348A1 (en
Inventor
Jochem-Andreas HESS
Alexander OBERDÖRFER
Eugen Heinrichs
Thomas Birkholz
Lukas RÖHRIG
Sascha Rosenfeldt
Daniel Häger
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.)
Voss Automotive GmbH
Original Assignee
Voss Automotive 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 Voss Automotive GmbH filed Critical Voss Automotive GmbH
Publication of EP3427348A1 publication Critical patent/EP3427348A1/en
Application granted granted Critical
Publication of EP3427348B1 publication Critical patent/EP3427348B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6275—Latching arms not integral with the housing
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62905—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances comprising a camming member
    • H01R13/62911—U-shaped sliding element

Definitions

  • the invention relates to a plug connection comprising a male plug part which can be or is plugged into a female plug part along a connection axis, both plug parts having a rectangular cross section along a connection plane.
  • the invention also comprises a retaining clip and a male and a female plug part for a plug connection according to the invention.
  • EP 1 006 380 A1 discloses an electrical and / or optical connection structure with a male connector part, with a female connector part and a locking device.
  • the locking device is a U-shaped retaining clip that is attached to the male or female connector.
  • EP 1 006 380 A1 discloses the preamble of claim 1.
  • the invention is based on the object of creating a plug connection for two plug parts which indicates whether both plug parts are completely plugged into one another and locked into place.
  • a connector for example according to Fig. 3 comprises a male plug part 11 which is plugged into a female plug part 9 along a connection axis X, both plug parts 9, 11 preferably having a rectangular cross section along a connection plane, for example in Figures 8 to 12 .
  • the male connector part 11 can be inserted into the female connector part.
  • the female connector part 9 has a U-shaped outer groove 24 with a retaining clip 1 plugged onto the outer groove 24 from the outside, the outer groove 24 each having an opening 26 on its two opposite legs, which is formed by a retaining rib 21 and a shoulder 22 of the Holding clip 1 is penetrated to interact in the inserted state of the male connector part 11 with the male connector part 11 arranged guide cams 37a, 37b and a retaining lug 36 so that the retaining clip 1 has a pre-assembly position, a latching position, an operating position and a Can take dismantling position, wherein the retaining clip 1 shows as a plug indicator whether a complete plugging of the plug parts 9, 11 is available.
  • the two plug parts 9, 11 it is e.g. it is also possible for the two plug parts 9, 11 to have an oval cross section with the sunk retaining clip 1.
  • the exemplary Figs. 1 and 2 disclose in particular the U-shaped retaining clip 1 for the plug-in indication of the plug parts 9, 11 of fluid lines along a connection axis X, provided that the two plug parts 9, 11 are completely plugged into one another and latched.
  • the retaining clip 1 comprises a connecting web 2 with a first and a second connecting end 3a, 3b, a locking web 7 and a guide web 8 being formed on each of the two connecting ends 3a, 3b perpendicular to the connecting web 2 along a holding clamp extension axis Y separated by a slot 6.
  • the retaining clip 1 is preferably designed in one piece, particularly preferably monolithic, and in particular consists of a plastic, in particular a glass fiber reinforced plastic.
  • the retaining clip 1 according to the invention can preferably occupy four positions on the female plug part 9, divided into a pre-assembly position, a latching position, an operating position and a dismantling position.
  • the connecting web 2 preferably has haptically palpable profiles 12 on its surface facing away from the plug parts 9, 11.
  • the connecting web 2 has a longitudinal edge 13 which runs perpendicular to the retaining clip extension axis Y and to the connecting axis X, wherein at the longitudinal edge 13 e.g. a tongue 14 can be formed which is aligned along the connection axis X in FIG.
  • the locking webs 7 preferably have on their outer surfaces facing away from one another along their longitudinal axis, which is the
  • Retaining clip extension axis Y corresponds to a longitudinal rib 16 to increase the rigidity. Furthermore, at least the guide webs 8 preferably have, on their outer surfaces facing away from one another, along their longitudinal axis, which corresponds to the retaining clip extension axis Y, for example a framework reinforcement 17 in order to achieve increased rigidity. According to an advantageous embodiment of the retaining clip 1, the free ends of the locking webs 7 have latching projections 18 facing inwardly towards one another.
  • the locking webs 7 are preferably narrower than the guide webs 8 and preferably longer than the guide webs 8. It is also possible for the guide webs 8 to be longer than the locking webs 7 or the same length.
  • each guide web 8 has stop cams 19 on their undersides facing away from the locking webs 7. Furthermore, each guide web 8 comprises the retaining clip 1 on its mutually facing side surfaces, i.e. its inner surfaces, retaining ribs 21 projecting from the respective inner surface, which extend along the retaining clip extension axis Y.
  • each guide web 8 comprises a shoulder 22 with an inclined surface 22a along the holding clamp extension axis Y between the holding rib 21 and the connecting web 2, the inclined surface 22a enclosing an angle of less than 90 ° with a lower edge of the guide web 8 running parallel to the holding clamp extension axis Y, so that the apex 23 of the shoulder 22 faces the lower edge of the respective locking web 7.
  • the exemplary Fig. 4 discloses the female plug part 9 with the retaining clip 1, the retaining clip 1 being guided in every position in the U-shaped outer groove 24 of the female plug part 9.
  • E.g. Fig. 5 discloses the male plug part 11 with the guide cams 37a, 37b and the retaining lug 36.
  • the outer groove 24 is preferably formed by a first and a second boundary wall 27a, 27b, which are opposite one another, for example in Fig. 6
  • the boundary walls 27a, 27b are each arranged on three circumferential outer surfaces of the female plug part 9, the three surfaces being arranged to one another, preferably at an angle of 90 ° each, that they are suitable for receiving the retaining clip 1.
  • the first delimitation wall 27a is the delimitation wall closer to the male plug part 11 along the connection axis X
  • the second delimitation wall 27b is the delimitation wall further away from the male plug part 11 along the connection axis X.
  • a separating rib 28, which engages in the respective slot 6 between the locking web 7 and the guide web 8, runs between the two boundary walls 27a, 27b. The separating rib 28 serves to support the insertion force.
  • the first delimiting wall 27a has a stop cam recess 29 for each of the two guide webs 8 along the retaining clip extension axis Y, the stop cam recess 29 for the respective stop cam 19 on each of the guide webs 8 having an outwardly connecting locking extension 31 which interacts with the stop cams 19 such that a spreading of the guide web 8 is prevented in particular in the operating position.
  • the stop cam recess 29 has a conically rising course along the retaining clip extension axis Y on its end wall 32 facing the free end of the guide web 8, so that the guide web 8 is spread apart when the stop cam 19 rests on the end wall 32.
  • the stop cam recess 29 comprises a stop shoulder 33 on its edge directed towards the connecting web 2, against which the stop cam 19 strikes when the retaining clip 1 along the retaining clip extension axis Y in the direction of the Connecting web 2 is pushed.
  • the tongue 14 of the connecting web 2 is preferably guided between the two boundary walls 27a, 27b in a tongue receptacle 34 of the female plug part 9 along the axis Y of the holding clip extension.
  • the retaining clip 1 has the protruding retaining rib 21 on its inner surface directed towards the male connector part 11. In the completely inserted state of the male connector part 11, this retaining rib 21 engages in a form-fitting manner behind a retaining lug 36 arranged on the male connector part 11 in the penetration direction of the male connector part 11.
  • the retaining lug 36 of the male plug part 11 is preferably arranged between two guide cams 37a, 37b along the retaining clip extension axis Y. During the connection and dismantling process of the plug parts, these are guided in internal guide grooves 40 of the female plug part 9, shown for example in FIG Figure 8c . At least one guide cam 37a, 37b is arranged along the retaining clip extension axis Y in such a way that it is guided through its respective guide groove 40 along the connecting axis X during the insertion of the male plug part 11 into the female plug part 9, that the guide cam 37a, 37b on the shoulder 22 of the guide web 8 meets.
  • a poka yoke configuration be trained between the guide cams 37a, 37b of the male connector part 11 and the guide grooves 40 of the female connector part 9, a poka yoke configuration be trained.
  • Poka Yoke is a principle that includes technical precautions for the immediate detection and prevention of errors.
  • one of the two guide cams 37a, 37b is made thicker than the other guide cams 37a, 37b along the retaining clip extension axis Y, the guide grooves 40 being correspondingly correlated.
  • the purpose of a poka yoke configuration in the present case is to ensure the plug-in arrangement of the plug parts 9, 11, so that the male plug part 11 is prevented from being inserted into the female plug part 9 rotated by 180 °, which could damage components.
  • the outer groove 24 comprises an outer groove end 24a which correlates with the free ends of the locking webs 7 and guide webs 8 and which has a conically rising guide shoulder 38 along the retaining clip extension axis Y and in the orientation of the course of the end wall 32.
  • the guide shoulder 38 is suitable for guiding the respective ends of the locking webs 7 and guide webs 8.
  • the free ends of the locking webs 7 and guide webs 8 can slide along their conically rising guide shoulder 38, whereby the locking webs 7 and the guide webs 8 assume a spread position in a simplified manner .
  • the locking projection 18 can engage in a window 39 in order to secure the retaining clip 1 against axial movement along the retaining clip extension axis Y and against undesired detachment from the female connector part 9 when the retaining clip is pushed along the retaining clip extension axis y in the direction of the connecting web 2.
  • the window 39 is adjoined along the holding clamp extension axis Y towards the free ends of the locking webs 7 and guide webs 8 by a window holding edge 41 for locking the holding clamp 1 and for insertion indication using the latching projection 18.
  • a dummy connection does not exist when the plug parts 9, 11 are plugged together if the locking webs 7 and guide webs 8 are arranged flush with the plug parts 9, 11 and the connecting web 2 is arranged in alignment with the boundary walls 27a, 27b.
  • Flush means here that the locking webs 7 and guide webs 8 are not spread apart.
  • in alignment means that the connecting web 2 does not protrude beyond the boundary walls 27a, 27b along the retaining clip extension axis Y.
  • the retaining clip 1 can assume four positions. In the following, possible positions of the retaining clip 1 are shown on the basis of the sections according to the exemplary Fig. 7 explained.
  • the e.g. Figures 8a, 9a, 10a, 11a and 12a each include the sectional view DD of the exemplary Fig. 7 in different positions of the retaining clip 1.
  • the example Figures 8b, 9b, 10b, 11b and 12b each include the sectional view EE of the exemplary Fig. 7 in different positions of the retaining clip 1.
  • FIGS. 8c, 9c, 10c, 11c and 12c each include the sectional view FF of the exemplary Fig. 7 in different positions of the retaining clip 1.
  • the pre-assembly position, latching position and operating position follow one another while the retaining clip 1 is being fixed to the plug parts 9, 11.
  • the dismantling position follows the operating position in order to release the plug parts 9, 11 from one another.
  • the first position is called the pre-assembly position in the following and is the position of the retaining clip 1 in front of the guide cams 37a, 37b along the connecting axis
  • the locking projections 18 are for example Figure 8a each arranged on the conical lugs of the guide shoulders 38.
  • the connecting web 2 is aligned with the boundary walls 27a, 27b, for example in Figures 8a, 8b .
  • the guide cams 37a, 37b are, for example, after Figure 8c along the connecting axis X in the area of the cutting plane FF.
  • the respective stop cam 19 is located, for example, according to Figure 8c along the retaining clip extension axis Y in the area of the respective externally protruding locking extension 31, whereby the guide webs 8 are secured against widening in relation to the connection axis X.
  • the retaining clip 1 moves into the latching position via a transition position that results during the plugging movement of the male plug part 11 into the female plug part 9 after the guide cam 37b of the male plug part 11 is opposite the preassembly position along the connection axis X in the direction of the female plug part 9 has been moved on.
  • the guide cam 37b meets the shoulder 22 along the connecting axis X, this moves due to its inclined surface 22a, and thus also the entire holding element 1 along the holding clamp extension axis Y in the direction of the connecting web 2, for example in Figure 9b .
  • the respective locking projection 18 slides out of its position on the conical extension of the guide shoulder 38 into the window 39 and is secured there against further axial movement by the window holding edge 41, for example in Figure 9a .
  • the retaining clip 1 is further secured against axial movement along the retaining clip extension axis Y by the stop of the respective stop cam 19 on the stop shoulder 33.
  • the second position is referred to below as the latching position and is the position of the retaining clip 1 when the retaining rib 21 is arranged in a form-fitting manner behind that which is arranged on the male connector part 11 in the penetration direction of the male connector part 11 Retaining lug 36 engages.
  • the retaining lug 36 displaces the retaining rib 21 in such a way that the respective guide web 8 is spread outward, for example in Figures 10a, 10b and 10c .
  • each of the two latching projections 18 is pressed out of the respective window 39 by the respective guide cam 37a, 37b when the plug parts 9, 11 are plugged in, whereby the locking web 7 assumes a spread position, for example in Figure 10a .
  • the locking projections 18 are no longer blocked by their respective window retaining edge 41 and the retaining clip 1 is no longer secured against displacement along the retaining clip extension axis Y.
  • the connecting web 2 of the retaining clip 1 is manually pressed along the retaining clip extension axis Y in the direction of the free ends of the locking webs 7 and guide webs 8 until the latching projections 18 are each arranged on the conical attachment of the respective guide shoulders 38 and the connecting web 2 is arranged in alignment with the boundary walls 27a, 27b.
  • the manual pressing of the retaining clip 1 is only possible in the aforementioned, plugged-in state of the two connector parts 9, 11 if the male connector part 11 is guided so far into the female connector part 9 that each of the co-operating with the respective inclined surfaces 22a of the corresponding shoulder 22 Guide cam 37a, 37b is guided along the connecting axis X completely past the respective shoulder 22. Otherwise, the retaining clip 1 is blocked at its shoulders 22 from moving along the retaining clip extension axis Y in the direction of the connecting web 2 by the respective guide cam 37a, 37b.
  • the third position is called the operating position in the following and is the position of the retaining clip 1 when the two connector parts 9, 11 are in the completed fixing position, a dummy plugging being excluded.
  • each of the two locking projections 18 is, for example, after Figure 11a arranged on the conical extension of the respective guide shoulders 38, whereby the locking webs 7 are flush with the boundary walls 27a, 27b. Due to the positive connection between the retaining lug 36 and the retaining rib 21, the two plug parts 9, 11 are secured against axial loosening along the connection axis X, for example in Figure 11b .
  • the respective stop cam 19 is located, for example, according to Figure 11c along the retaining clip extension axis Y in the area of the respective externally protruding locking extension 31, whereby the guide web 8 is secured against widening.
  • the connecting web 2 of the retaining clip 1 is manually pressed into a dismantling position along the retaining clip extension axis Y in the direction of the free ends of the locking webs 7 and guide webs 8 until the connecting web 2 strikes the female connector 9.
  • the locking projections 18 slide along the conical guide shoulders 38, as a result of which the respective locking web 7 is spread apart, for example in Figure 12a .
  • the guide web 8 is spread apart in that the respective stop cam 19 of the guide web 8 slides along the conical end wall 32, for example in Figure 12c . Supporting the free end of the guide web 8 can slide along the guide shoulder 38, for example in Figure 12b .
  • FIG. 13a to 13e a further embodiment of the retaining clip 1 is shown.
  • the pre-assembly position is shown in which the latching projection 18 of the locking web 7 of the retaining clip 1 rests against a stop 42 of the female connector part 9.
  • the latching projection 18 lies in particular on a stop plane 42a of the Stop 42, the stop plane 42a extending at an acute angle at an angle in a range from 80 ° to 85 °, in particular 82 °, with respect to the retaining clip extension axis Y (illustrated by a first dashed auxiliary line in Figure 13e that crosses a second dashed auxiliary line that extends parallel to the retaining clip extension axis Y).
  • a latching plane 18a of the latching projection 18 lying on the stop plane 42a of the stop 42 extends at an acute angle at an angle in a range from 80 ° to 85 °, in particular 82 °, with respect to the retaining clip extension axis Y (illustrated by a third dashed auxiliary line in Figure 13b that crosses a second dashed auxiliary line that extends parallel to the retaining clip extension axis Y).
  • a first transition plane 42b and a second transition plane 42c adjoin the stop plane 42a of the stop 42 in the specified order in the direction of the guide shoulder 38, which are designed in such a way that in the spread state of the retaining clip 1 the latching projection 18 moves from the second to the third Position is transferable.
  • the second transition plane 42c can extend parallel to the retaining clip extension axis Y and the first transition plane 42b can extend like a ramp to the second transition plane 42c, i. H. enclose an obtuse angle with the second transition plane 42c.
  • the locking projection 18 rests on the conical approach of the guide shoulder 38.
  • the guide shoulder 38 preferably has a first guide plane 38a that extends extends at an acute angle with respect to the holding clip extension axis Y at an angle ⁇ .
  • the angle ⁇ lies in a range from 72 ° to 77 °, in particular from 75 °.
  • a second guide plane 38b preferably adjoins the first guide plane 38a in the direction of the dismantling position of the locking projection 18.
  • the second guide plane 38b extends in particular at a smaller angle ⁇ than the angle ⁇ of the first guide plane 38a, preferably in a range from 42 ° to 47 °, in particular 45 °, with respect to the holding clamp extension axis Y.
  • the latching projection 18 preferably has a rounded portion 18b adjoining the latching plane 18a in the direction of the male plug part 11, which is adjoined by a support plane 18c, which in particular extends parallel to the retaining clip extension axis Y, see Figure 13b .
  • the locking projection 18 rests on its support plane 18c on a support plane 38c of the guide shoulder 38 that adjoins the second guide plane 38b, the support plane 38c extending in particular parallel with respect to the retaining clip extension axis Y, see FIG Figure 13e .
  • the preferred configuration of the guide shoulder 38 improves the haptics when using the retaining clip 1:
  • a user When transferring the locking projection 18 of the retaining clip 1 from the first guide plane 38a to the support plane 38c, a user has to apply a greater force to move the locking projection 18 away from the first To move management level 38a to the second management level 38b. Subsequently, a smaller force has to be applied to transfer the locking projection 18 from the second guide plane 38b to the support plane 38c.
  • the second support plane 38b makes it easier to return the retaining clip 1 from the support plane 18c to the operating position.
  • the stop 42 is formed on an opening 43 on the female plug part 9 (see FIG Figure 13a ), in which the male connector part 11 engages in the second and third positions, see Figures 13c and d.
  • FIGS 14a and 14b Preferred embodiments of the retaining rib 21 of the guide web 8 of the retaining clip 1 and the retaining lug 36 of the male connector part 11 are shown.
  • the retaining clip 1 and the male connector part 11 and the female connector part 9 are shown in the operating position.
  • the retaining rib 21 of the retaining clip 1 has a retaining plane 21a resting on the retaining lug 36, which extends at an acute angle at an angle in a range of 80 ° to 88 °, in particular 85 °, with respect to the connecting axis X, see FIG Figure 14b .
  • a retaining lug plane 36a of the retaining lug 36 resting on the retaining plane 21a extends at an acute angle at an angle in a range from 80 ° to 88 ° with respect to the connecting axis X, see FIG Figure 14b .
  • the retaining lug plane 36a being in particular oriented at an angle of 88 ° with respect to the connecting axis X.
  • the difference between the two angles of the orientations is 3 °. Due to the preferred configuration of the retaining lug 36 and the retaining rib 21, the retaining force of the latching connection is increased.
  • the holding rib 21 is preferably prevented from sliding off under load and the associated deformation of the components of the plug connection.
  • the present invention also relates to the fact that the plug connection is fastened in a holder.
  • This holder has one or more inner contour / s, which is / are adapted to the outer contour of the plug connection, and / or holding means for the plug connection. This brings about a fixation and increased security against ice pressure.
  • the inner contour or inner contours present in the holder can be designed in such a way that it is impossible to open the retaining clip 1 when the plug connection is inserted in the holder.

Description

Die Erfindung betrifft eine Steckverbindung, umfassend ein männliches Steckerteil, das entlang einer Verbindungsachse in ein weibliches Steckerteil einsteckbar oder eingesteckt ist, wobei beide Steckerteile entlang einer Verbindungsebene einen rechteckigen Querschnitt aufweisen. Die Erfindung umfasst zudem eine Halteklammer sowie ein männliches und ein weibliches Steckerteil für eine erfindungsgemäße Steckverbindung.The invention relates to a plug connection comprising a male plug part which can be or is plugged into a female plug part along a connection axis, both plug parts having a rectangular cross section along a connection plane. The invention also comprises a retaining clip and a male and a female plug part for a plug connection according to the invention.

EP 1 006 380 A1 offenbart einen elektrischen und/oder optischen Verbindungsaufbau mit einem männlichen Steckerteil, mit einem weiblichen Steckerteil und einer Verriegelungseinrichtung. Wobei die Verriegelungseinrichtung eine U-förmige Halteklammer ist, die mit dem männlichen oder mit dem weiblichen Steckerteil aufgesteckt ist. EP 1 006 380 A1 discloses an electrical and / or optical connection structure with a male connector part, with a female connector part and a locking device. The locking device is a U-shaped retaining clip that is attached to the male or female connector.

EP 1 006 380 A1 offenbart den Oberbegriff des Anspruchs 1. EP 1 006 380 A1 discloses the preamble of claim 1.

Der Erfindung liegt die Aufgabe zugrunde, eine Steckverbindung für zwei Steckerteile zu schaffen, die anzeigt, ob beide Steckerteile vollständig ineinander gesteckt und eingerastet sind.The invention is based on the object of creating a plug connection for two plug parts which indicates whether both plug parts are completely plugged into one another and locked into place.

Die Aufgabe der Erfindung wird durch die Merkmale des Anspruchs 1 gelöst.The object of the invention is achieved by the features of claim 1.

Es zeigen:

Fig. 1
perspektivische Ansicht einer erfindungsgemäßen Halteklammer,
Fig. 2
eine alternative perspektivische Ansicht der Halteklammer nach Fig. 1,
Fig. 3
eine perspektivische Ansicht der Halteklammer nach Fig. 1 zur Verbindung von einem männlichen Steckerteil in einem weiblichen Steckerteil,
Fig. 4
eine perspektivische Ansicht des weiblichen Steckerteils mit der Halteklammer nach Fig. 3,
Fig. 5
eine perspektivische Ansicht des männlichen Steckerteils nach Fig. 3,
Fig. 6
eine perspektivische Ansicht einer Hälfte des weiblichen Steckerteils nach Fig. 3 und Fig. 4,
Fig. 7
ein Ausschnitt einer Verbindung der Steckerteile mit der Halteklammer nach Fig. 3 mit gekennzeichneten Schnittebenen,
Fig. 8a
eine Schnittansicht einer Schnittebene D-D nach Fig. 7 in einer Vormontageposition der Halteklammer,
Fig. 8b
eine Schnittansicht der Schnittebene E-E nach Fig. 7 in einer Vormontageposition der Halteklammer,
Fig. 8c
eine Schnittansicht der Schnittebene F-F nach Fig. 7 in einer Vormontageposition der Halteklammer,
Fig. 9a
eine Schnittansicht der Schnittebene D-D nach Fig. 7 in einer Übergangsposition der Halteklammer von der Vormontageposition in eine Rastposition,
Fig. 9b
eine Schnittansicht der Schnittebene E-E nach Fig. 7 in einer Übergangsposition der Halteklammer von der Vormontageposition in eine Rastposition,
Fig. 9c
eine Schnittansicht der Schnittebene F-F nach Fig. 7 in einer Übergangsposition der Halteklammer von der Vormontageposition in eine Rastposition,
Fig. 10a
eine Schnittansicht der Schnittebene D-D nach Fig. 7 in der Rastposition der Halteklammer,
Fig. 10b
eine Schnittansicht der Schnittebene E-E nach Fig. 7 in der Rastposition der Halteklammer,
Fig. 10c
eine Schnittansicht der Schnittebene F-F nach Fig. 7 in der Rastposition der Halteklammer,
Fig. 11a
eine Schnittansicht der Schnittebene D-D in einer Betriebsposition der Halteklammer,
Fig. 11b
eine Schnittansicht der Schnittebene E-E nach Fig. 7 in einer Betriebsposition der Halteklammer,
Fig. 11c
eine Schnittansicht der Schnittebene F-F nach Fig. 7 in einer Betriebsposition der Halteklammer,
Fig. 12a
eine Schnittansicht der Schnittebene D-D in einer Demontageposition der Halteklammer,
Fig. 12b
eine Schnittansicht der Schnittebene E-E nach Fig. 7 in einer Demontageposition der Halteklammer,
Fig. 12c
eine Schnittansicht der Schnittebene F-F nach Fig. 7 in einer Demontageposition der Halteklammer,
Fig. 13a
eine weitere Ausführungsform in einer Schnittansicht der Schnittebene D-D nach Fig. 7 in einer Übergangsposition der Halteklammer von der Vormontageposition in eine Rastposition,
Fig. 13b
eine vergrößerte Ansicht eines Anschlags der Ausführungsform gemäß Fig. 13a,
Fig. 13c
die weitere Ausführungsform in einer Schnittansicht der Schnittebene D-D in einer Betriebsposition der Halteklammer,
Fig. 13d
die weitere Ausführungsform in einer Schnittansicht der Schnittebene D-D in einer Demontageposition der Halteklammer,
Fig. 13e
eine vergrößerte Ansicht des Anschlags der weiteren Ausführungsform gemäß Fig. 13d,
Fig. 14a
Längsschnitt durch eine erfindungsgemäße Steckverbindung und
Fig. 14b
vergrößerte Darstellung des Details bei A in Fig. 14a.
Show it:
Fig. 1
perspective view of a retaining clip according to the invention,
Fig. 2
an alternative perspective view of the retaining clip according to Fig. 1 ,
Fig. 3
a perspective view of the retaining clip according to Fig. 1 to connect a male connector to a female connector,
Fig. 4
a perspective view of the female connector part with the retaining clip according to Fig. 3 ,
Fig. 5
a perspective view of the male connector part according to Fig. 3 ,
Fig. 6
a perspective view of one half of the female connector part according to FIGS. 3 and 4 ,
Fig. 7
a section of a connection of the plug parts with the retaining clip Fig. 3 with marked cutting planes,
Figure 8a
a sectional view of a cutting plane DD according to Fig. 7 in a pre-assembly position of the retaining clip,
Figure 8b
a sectional view of the cutting plane EE according to Fig. 7 in a pre-assembly position of the retaining clip,
Figure 8c
a sectional view of the cutting plane FF according to Fig. 7 in a pre-assembly position of the retaining clip,
Figure 9a
a sectional view of the cutting plane DD according to Fig. 7 in a transition position of the retaining clip from the pre-assembly position to a latching position,
Figure 9b
a sectional view of the cutting plane EE according to Fig. 7 in a transition position of the retaining clip from the pre-assembly position to a latching position,
Figure 9c
a sectional view of the cutting plane FF according to Fig. 7 in a transition position of the retaining clip from the pre-assembly position to a latching position,
Figure 10a
a sectional view of the cutting plane DD according to Fig. 7 in the locking position of the retaining clip,
Figure 10b
a sectional view of the cutting plane EE according to Fig. 7 in the locking position of the retaining clip,
Figure 10c
a sectional view of the cutting plane FF according to Fig. 7 in the locking position of the retaining clip,
Figure 11a
a sectional view of the section plane DD in an operating position of the retaining clip,
Figure 11b
a sectional view of the cutting plane EE according to Fig. 7 in an operating position of the retaining clip,
Figure 11c
a sectional view of the cutting plane FF according to Fig. 7 in an operating position of the retaining clip,
Figure 12a
a sectional view of the sectional plane DD in a dismantling position of the retaining clip,
Figure 12b
a sectional view of the cutting plane EE according to Fig. 7 in a dismantling position of the retaining clip,
Figure 12c
a sectional view of the cutting plane FF according to Fig. 7 in a dismantling position of the retaining clip,
Figure 13a
a further embodiment in a sectional view of the cutting plane DD according to Fig. 7 in a transition position of the retaining clip from the pre-assembly position to a latching position,
Figure 13b
an enlarged view of a stop of the embodiment according to Figure 13a ,
Figure 13c
the further embodiment in a sectional view of the cutting plane DD in an operating position of the retaining clip,
Figure 13d
the further embodiment in a sectional view of the sectional plane DD in a dismantling position of the retaining clip,
Figure 13e
an enlarged view of the stop of the further embodiment according to Figure 13d ,
Figure 14a
Longitudinal section through a connector according to the invention and
Figure 14b
enlarged view of the detail at A in Figure 14a .

In den verschiedenen Figuren der Zeichnung sind gleiche Teile stets mit denselben Bezugszeichen versehen.In the various figures of the drawing, the same parts are always provided with the same reference symbols.

Eine Steckverbindung z.B. gemäß Fig. 3 umfasst ein männliches Steckerteil 11, das entlang einer Verbindungsachse X in ein weibliches Steckerteil 9 eingesteckt ist, wobei beide Steckerteile 9, 11 entlang einer Verbindungsebene vorzugsweise einen rechteckigen Querschnitt aufweisen, z.B. in Fig. 8 bis 12.A connector, for example according to Fig. 3 comprises a male plug part 11 which is plugged into a female plug part 9 along a connection axis X, both plug parts 9, 11 preferably having a rectangular cross section along a connection plane, for example in Figures 8 to 12 .

Erfindungsgemäß ist das männliche Steckerteil 11 in das weibliche Steckerteil einsteckbar. Das weibliche Steckerteil 9 weist eine U-förmige Außennut 24 mit einer von außen auf die Außennut 24 aufgesteckten Halteklammer 1 auf, wobei die Außennut 24 an ihren zwei sich gegenüberliegenden Schenkeln jeweils einen Durchbruch 26 umfasst, der von einer Halterippe 21 und einer Schulter 22 der Halteklammer 1 durchdrungen wird, um im eingesteckten Zustand des männlichen Steckerteils 11 mit am männlichen Steckerteil 11 angeordneten Führungsnocken 37a, 37b und einer Haltenase 36 zusammenzuwirken, damit die Halteklammer 1 eine Vormontageposition, eine Rastposition, eine Betriebsposition und eine Demontageposition einnehmen kann, wobei die Halteklammer 1 als Steckindikator anzeigt, ob eine vollständige Steckung der Steckerteile 9, 11 vorhanden ist.According to the invention, the male connector part 11 can be inserted into the female connector part. The female connector part 9 has a U-shaped outer groove 24 with a retaining clip 1 plugged onto the outer groove 24 from the outside, the outer groove 24 each having an opening 26 on its two opposite legs, which is formed by a retaining rib 21 and a shoulder 22 of the Holding clip 1 is penetrated to interact in the inserted state of the male connector part 11 with the male connector part 11 arranged guide cams 37a, 37b and a retaining lug 36 so that the retaining clip 1 has a pre-assembly position, a latching position, an operating position and a Can take dismantling position, wherein the retaining clip 1 shows as a plug indicator whether a complete plugging of the plug parts 9, 11 is available.

Es ist z.B. auch möglich, dass die beiden Steckerteile 9, 11 einen ovalen Querschnitt mit der versenkten Halteklammer 1 aufweisen.It is e.g. it is also possible for the two plug parts 9, 11 to have an oval cross section with the sunk retaining clip 1.

Die beispielhaften Fig. 1 und 2 offenbaren insbesondere die U-förmige Halteklammer 1 zur Steckindikation der Steckerteile 9, 11 von Fluidleitungen entlang einer Verbindungsachse X, sofern die beiden Steckerteile 9, 11 vollständig ineinander gesteckt und eingerastet sind. Die Halteklammer 1 umfasst einen Verbindungssteg 2 mit einem ersten und einem zweiten Verbindungsende 3a, 3b, wobei an den beiden Verbindungsenden 3a, 3b senkrecht zum Verbindungssteg 2 entlang einer Halteklammererstreckungsachse Y durch einen Schlitz 6 getrennt jeweils ein Verriegelungssteg 7 und ein Führungssteg 8 angeformt ist.The exemplary Figs. 1 and 2 disclose in particular the U-shaped retaining clip 1 for the plug-in indication of the plug parts 9, 11 of fluid lines along a connection axis X, provided that the two plug parts 9, 11 are completely plugged into one another and latched. The retaining clip 1 comprises a connecting web 2 with a first and a second connecting end 3a, 3b, a locking web 7 and a guide web 8 being formed on each of the two connecting ends 3a, 3b perpendicular to the connecting web 2 along a holding clamp extension axis Y separated by a slot 6.

Die Halteklammer 1 ist bevorzugt einstückig, besonders bevorzugt monolithisch, ausgebildet und besteht insbesondere aus einem Kunststoff, insbesondere aus einem glasfaserverstärktem Kunststoff. Die erfindungsgemäße Halteklammer 1 kann vorzugsweise vier Positionen auf dem weiblichen Steckerteil 9 einnehmen, aufgeteilt in eine Vormontageposition, eine Rastposition, eine Betriebsposition und eine Demontageposition.The retaining clip 1 is preferably designed in one piece, particularly preferably monolithic, and in particular consists of a plastic, in particular a glass fiber reinforced plastic. The retaining clip 1 according to the invention can preferably occupy four positions on the female plug part 9, divided into a pre-assembly position, a latching position, an operating position and a dismantling position.

Der Verbindungssteg 2 weist vorzugsweise auf seiner von den Steckerteilen 9, 11 abgewandten Oberfläche haptisch tastbare Profile 12 auf. Der Verbindungssteg 2 weist eine Längskante 13 auf, die senkrecht zur Halteklammererstreckungsachse Y und zur Verbindungsachse X verläuft, wobei an der Längskante 13 z.B. eine Zunge 14 ausgebildet sein kann, die in entlang der Verbindungsachse X ausgerichtet ist.The connecting web 2 preferably has haptically palpable profiles 12 on its surface facing away from the plug parts 9, 11. The connecting web 2 has a longitudinal edge 13 which runs perpendicular to the retaining clip extension axis Y and to the connecting axis X, wherein at the longitudinal edge 13 e.g. a tongue 14 can be formed which is aligned along the connection axis X in FIG.

Vorzugsweise weisen die Verriegelungsstege 7 an ihren voneinander abgewandten, äußeren Oberflächen entlang ihrer Längsachse, die derThe locking webs 7 preferably have on their outer surfaces facing away from one another along their longitudinal axis, which is the

Halteklammererstreckungsachse Y entspricht, eine Längsrippe 16 auf, um die Steifigkeit zu erhöhen. Weiterhin weist vorzugsweise zumindest die Führungsstege 8 an ihrer voneinander abgewandten, äußeren Oberflächen entlang ihrer Längsachse, die der Halteklammererstreckungsachse Y entspricht, z.B. eine Fachwerkverstärkung 17 auf, um eine erhöhte Steifigkeit zu erreichen.
Gemäß einer vorteilhaften Ausgestaltung der Halteklammer 1 weisen die freien Enden der Verriegelungsstege 7 nach innen zueinander zugekehrte Rastvorsprünge 18 auf.Retaining clip extension axis Y corresponds to a longitudinal rib 16 to increase the rigidity. Furthermore, at least the guide webs 8 preferably have, on their outer surfaces facing away from one another, along their longitudinal axis, which corresponds to the retaining clip extension axis Y, for example a framework reinforcement 17 in order to achieve increased rigidity.
According to an advantageous embodiment of the retaining clip 1, the free ends of the locking webs 7 have latching projections 18 facing inwardly towards one another.

Die Verriegelungsstege 7 sind vorzugsweise schmaler als die Führungsstege 8 und vorzugsweise länger als die Führungsstege 8. Es ist ebenfalls möglich, dass die Führungsstege 8 länger oder gleich lang wie die Verriegelungsstege 7 sind.The locking webs 7 are preferably narrower than the guide webs 8 and preferably longer than the guide webs 8. It is also possible for the guide webs 8 to be longer than the locking webs 7 or the same length.

Die beiden Führungsstege 8 besitzen an ihren von den Verriegelungsstegen 7 abgewandten Unterseiten Anschlagnocken 19. Ferner umfasst jeder Führungssteg 8 der Halteklammer 1 an seinen zueinander zugekehrten Seitenflächen, d.h. seinen Innenflächen, von der jeweiligen Innenfläche vorstehende Halterippen 21, die sich entlang der Halteklammererstreckungsachse Y erstrecken.The two guide webs 8 have stop cams 19 on their undersides facing away from the locking webs 7. Furthermore, each guide web 8 comprises the retaining clip 1 on its mutually facing side surfaces, i.e. its inner surfaces, retaining ribs 21 projecting from the respective inner surface, which extend along the retaining clip extension axis Y.

Weiter umfasst jeder Führungssteg 8 entlang der Halteklammererstreckungsachse Y zwischen der Halterippe 21 und dem Verbindungssteg 2 jeweils eine Schulter 22 mit einer schrägen Fläche 22a, wobei die schräge Fläche 22a mit einer zur Halteklammererstreckungsachse Y parallel verlaufenden Unterkante des Führungsstegs 8 einen Winkel kleiner 90° einschließt, so dass der Scheitelpunkt 23 der Schulter 22 der Unterkante des jeweiligen Verriegelungsstegs 7 zugekehrt ist.Furthermore, each guide web 8 comprises a shoulder 22 with an inclined surface 22a along the holding clamp extension axis Y between the holding rib 21 and the connecting web 2, the inclined surface 22a enclosing an angle of less than 90 ° with a lower edge of the guide web 8 running parallel to the holding clamp extension axis Y, so that the apex 23 of the shoulder 22 faces the lower edge of the respective locking web 7.

Die beispielhafte Fig. 4 offenbart das weibliche Steckerteil 9 mit der Halteklammer 1, wobei die Halteklammer 1 in jeder Position in der U-förmigen Außennut 24 des weiblichen Steckerteils 9 geführt ist. Z.B. Fig. 5 offenbart das männliche Steckerteil 11 mit den Führungsnocken 37a, 37b und der Haltenase 36.The exemplary Fig. 4 discloses the female plug part 9 with the retaining clip 1, the retaining clip 1 being guided in every position in the U-shaped outer groove 24 of the female plug part 9. E.g. Fig. 5 discloses the male plug part 11 with the guide cams 37a, 37b and the retaining lug 36.

Wie z.B. in Fig. 3 weiter zu sehen ist, ist die Außennut 24 vorzugsweise durch eine erste und eine zweite Begrenzungswand 27a, 27b gebildet, die einander gegenüberliegen, z.B. in Fig. 6, wobei die Begrenzungswände 27a, 27b jeweils an entlang drei umfangsgemäßen äußeren Oberflächen des weiblichen Steckerteils 9 angeordnet sind, wobei die drei Oberflächen derart, vorzugsweise in einem Winkel von jeweils 90°, zueinander angeordnet sind, dass sie zur Aufnahme der Halteklammer 1 geeignet sind. Die erste Begrenzungswand 27a ist die dem männlichen Steckerteil 11 entlang der Verbindungsachse X nähere Begrenzungswand, während die zweite Begrenzungswand 27b die dem männlichen Steckerteil 11 entlang der Verbindungsachse X entferntere Begrenzungswand ist. Zwischen den beiden Begrenzungswänden 27a, 27b verläuft jeweils eine Trennrippe 28, die in den jeweiligen Schlitz 6 zwischen dem Verriegelungssteg 7 und dem Führungssteg 8 eingreift. Die Trennrippe 28 dient zur Abstützung der Steckkraft.As in Fig. 3 can also be seen, the outer groove 24 is preferably formed by a first and a second boundary wall 27a, 27b, which are opposite one another, for example in Fig. 6 The boundary walls 27a, 27b are each arranged on three circumferential outer surfaces of the female plug part 9, the three surfaces being arranged to one another, preferably at an angle of 90 ° each, that they are suitable for receiving the retaining clip 1. The first delimitation wall 27a is the delimitation wall closer to the male plug part 11 along the connection axis X, while the second delimitation wall 27b is the delimitation wall further away from the male plug part 11 along the connection axis X. A separating rib 28, which engages in the respective slot 6 between the locking web 7 and the guide web 8, runs between the two boundary walls 27a, 27b. The separating rib 28 serves to support the insertion force.

Die erste Begrenzungswand 27a weist für beide Führungsstege 8 entlang der Halteklammererstreckungsachse Y jeweils eine Anschlagnockenausnehmung 29 auf, wobei die Anschlagnockenausnehmung 29 für den jeweiligen Anschlagnocken 19 an jedem der Führungsstege 8 einen nach außen anschließenden Verriegelungsfortsatz 31 aufweist, der mit den Anschlagnocken 19 derart zusammenwirkt, dass ein Spreizen des Führungsstegs 8 insbesondere in der Betriebsposition verhindert wird.The first delimiting wall 27a has a stop cam recess 29 for each of the two guide webs 8 along the retaining clip extension axis Y, the stop cam recess 29 for the respective stop cam 19 on each of the guide webs 8 having an outwardly connecting locking extension 31 which interacts with the stop cams 19 such that a spreading of the guide web 8 is prevented in particular in the operating position.

Die Anschlagnockenausnehmung 29 besitzt entlang der Halteklammererstreckungsachse Y an ihrer in Richtung zu dem freien Ende des Führungsstegs 8 weisenden Endwand 32 einen konisch ansteigenden Verlauf, so dass der Führungssteg 8 bei einer Anlage des Anschlagnockens 19 an der Endwand 32 gespreizt wird.The stop cam recess 29 has a conically rising course along the retaining clip extension axis Y on its end wall 32 facing the free end of the guide web 8, so that the guide web 8 is spread apart when the stop cam 19 rests on the end wall 32.

Um ein unerwünschtes Lösen der Halteklammer 1 von dem weiblichen Steckerteil 9 zusätzlich zu gewährleisten, umfasst die Anschlagnockenausnehmung 29 an ihrer zum Verbindungssteg 2 gerichteten Kante eine Anschlagschulter 33 auf, gegen die der Anschlagnocken 19 anschlägt, wenn die Halteklammer 1 entlang der Halteklammererstreckungsachse Y in Richtung des Verbindungssteges 2 geschoben wird.
Die Zunge 14 des Verbindungsstegs 2 ist vorzugsweise zwischen den beiden Begrenzungswänden 27a, 27b in einer Zungenaufnahme 34 des weiblichen Steckerteils 9 entlang der Halteklammererstreckungsachse Y geführt.In order to additionally ensure an undesired detachment of the retaining clip 1 from the female connector part 9, the stop cam recess 29 comprises a stop shoulder 33 on its edge directed towards the connecting web 2, against which the stop cam 19 strikes when the retaining clip 1 along the retaining clip extension axis Y in the direction of the Connecting web 2 is pushed.
The tongue 14 of the connecting web 2 is preferably guided between the two boundary walls 27a, 27b in a tongue receptacle 34 of the female plug part 9 along the axis Y of the holding clip extension.

Zum Fixieren des männlichen Steckerteils 11 im weiblichen Steckerteil 9 weist die Halteklammer 1 auf ihrer zum männlichen Steckerteil 11 gerichteten Innenfläche die vorstehende Halterippe 21 auf. Diese Halterippe 21 greift im vollständig eingeführten Zustand des männlichen Steckerteils 11 formschlüssig hinter eine in Eindringrichtung des männlichen Steckerteils 11 am männlichen Steckerteil 11 angeordnete Haltenase 36.To fix the male connector part 11 in the female connector part 9, the retaining clip 1 has the protruding retaining rib 21 on its inner surface directed towards the male connector part 11. In the completely inserted state of the male connector part 11, this retaining rib 21 engages in a form-fitting manner behind a retaining lug 36 arranged on the male connector part 11 in the penetration direction of the male connector part 11.

Die Haltenase 36 des männlichen Steckerteils 11 ist entlang der Halteklammererstreckungsachse Y vorzugsweise zwischen zwei Führungsnocken 37a, 37b angeordnet. Diese sind während des Verbindungs- und Demontagevorgangs der Steckerteile in innenliegende Führungsnuten 40 des weiblichen Steckerteils 9 geführt, dargestellt z.B. in Fig. 8c. Mindestens eine Führungsnocke 37a, 37b ist entlang der Halteklammererstreckungsachse Y derart angeordnet, dass sie während des Einsteckens des männlichen Steckerteils 11 in das weibliche Steckerteil 9 entlang der Verbindungsachse X derart durch ihre jeweilige Führungsnut 40 geführt wird, dass die Führungsnocke 37a, 37b auf die Schulter 22 des Führungsstegs 8 trifft.The retaining lug 36 of the male plug part 11 is preferably arranged between two guide cams 37a, 37b along the retaining clip extension axis Y. During the connection and dismantling process of the plug parts, these are guided in internal guide grooves 40 of the female plug part 9, shown for example in FIG Figure 8c . At least one guide cam 37a, 37b is arranged along the retaining clip extension axis Y in such a way that it is guided through its respective guide groove 40 along the connecting axis X during the insertion of the male plug part 11 into the female plug part 9, that the guide cam 37a, 37b on the shoulder 22 of the guide web 8 meets.

Optional kann zwischen den Führungsnocken 37a, 37b des männlichen Steckerteils 11 und den Führungsnuten 40 des weiblichen Steckerteils 9 eine Poka Yoke-Konfiguration ausgebildet sein. Poka Yoke bezeichnet ein Prinzip, welches technische Vorkehrungen zur sofortigen Fehleraufdeckung und -verhinderung umfasst. Hierzu ist eine der jeweils beiden Führungsnocken 37a, 37b entlang der Halteklammererstreckungsachse Y dicker ausgestaltet als die jeweils andere Führungsnocke 37a, 37b, wobei die Führungsnuten 40 entsprechend korrelierend ausgebildet sind. Eine Poka Yoke-Konfiguration hat vorliegend den Zweck, die Einsteckanordnung der Steckerteile 9, 11 sicherzustellen, so dass ein um 180° verdrehtes Einstecken des männlichen Steckerteils 11 in das weibliche Steckerteil 9 vermieden wird, wodurch Komponenten beschädigt werden könnten.Optionally, between the guide cams 37a, 37b of the male connector part 11 and the guide grooves 40 of the female connector part 9, a poka yoke configuration be trained. Poka Yoke is a principle that includes technical precautions for the immediate detection and prevention of errors. For this purpose, one of the two guide cams 37a, 37b is made thicker than the other guide cams 37a, 37b along the retaining clip extension axis Y, the guide grooves 40 being correspondingly correlated. The purpose of a poka yoke configuration in the present case is to ensure the plug-in arrangement of the plug parts 9, 11, so that the male plug part 11 is prevented from being inserted into the female plug part 9 rotated by 180 °, which could damage components.

Die Außennut 24 umfasst ein mit den freien Enden der Verriegelungsstege 7 und Führungsstege 8 korrelierendes Außennutende 24a, das entlang der Halteklammererstreckungsachse Y und in Orientierung des Verlaufs der Endwand 32 eine konisch ansteigende Führungsschulter 38 aufweist. Die Führungsschulter 38 eignet sich zur Führung der jeweiligen Enden der Verriegelungsstege 7 und Führungsstege 8. So können die freien Enden der Verriegelungsstege 7 und Führungsstege 8 jeweils an ihrer konisch ansteigenden Führungsschulter 38 entlang gleiten, wodurch die Verriegelungsstege 7 und die Führungsstege 8 vereinfacht eine Spreizstellung einnehmen.The outer groove 24 comprises an outer groove end 24a which correlates with the free ends of the locking webs 7 and guide webs 8 and which has a conically rising guide shoulder 38 along the retaining clip extension axis Y and in the orientation of the course of the end wall 32. The guide shoulder 38 is suitable for guiding the respective ends of the locking webs 7 and guide webs 8. The free ends of the locking webs 7 and guide webs 8 can slide along their conically rising guide shoulder 38, whereby the locking webs 7 and the guide webs 8 assume a spread position in a simplified manner .

Der Rastvorsprung 18 kann in ein Fenster 39 greifen, um die Halteklammer 1 gegen axiale Bewegung entlang der Halteklammererstreckungsachse Y und gegen ein unerwünschtes Lösen von dem weiblichen Steckerteil 9 zu sichern, wenn die Halteklammer entlang der Halteklammererstreckungsachse y in Richtung des Verbindungssteges 2 geschoben wird.The locking projection 18 can engage in a window 39 in order to secure the retaining clip 1 against axial movement along the retaining clip extension axis Y and against undesired detachment from the female connector part 9 when the retaining clip is pushed along the retaining clip extension axis y in the direction of the connecting web 2.

Dem Fenster 39 schließt sich entlang der Halteklammererstreckungsachse Y zu den freien Enden der Verriegelungsstege 7 und Führungsstege 8 gerichtet eine Fensterhaltekante 41 für die Verriegelung der Halteklammer 1 und zur Steckindikation unter Verwendung des Rastvorsprungs 18 an.The window 39 is adjoined along the holding clamp extension axis Y towards the free ends of the locking webs 7 and guide webs 8 by a window holding edge 41 for locking the holding clamp 1 and for insertion indication using the latching projection 18.

Eine Scheinsteckung liegt insbesondere dann nicht im zusammengesteckten Zustand der Steckerteile 9, 11 vor, wenn die Verriegelungsstege 7 und Führungsstege 8 bündig zu den Steckerteilen 9, 11 angeordnet sind und der Verbindungssteg 2 fluchtend zu den Begrenzungswänden 27a, 27b angeordnet ist. Bündig bedeutet hierbei, dass die die Verriegelungsstege 7 und Führungsstege 8 nicht gespreizt sind. Fluchtend bedeutet vorliegend, dass der Verbindungssteg 2 entlang der Halteklammererstreckungsachse Y nicht über die Begrenzungswände 27a, 27b übersteht. Problematisch an Scheinsteckungen ist, dass scheinbar geschlossene Verbindungen durch Erschütterungen während des Gebrauchs voneinander gelöst werden können. Ferner können bei Elektroverbindungen durch die Reibung von Elektroleitungsanschlüssen Hotspots entstehen, die durch eine hohe Temperatur die umliegenden Komponenten schädigen können.In particular, a dummy connection does not exist when the plug parts 9, 11 are plugged together if the locking webs 7 and guide webs 8 are arranged flush with the plug parts 9, 11 and the connecting web 2 is arranged in alignment with the boundary walls 27a, 27b. Flush means here that the locking webs 7 and guide webs 8 are not spread apart. In the present case, in alignment means that the connecting web 2 does not protrude beyond the boundary walls 27a, 27b along the retaining clip extension axis Y. The problem with false connections is that apparently closed connections can be loosened from each other by vibrations during use. Furthermore, with electrical connections, the friction of electrical line connections can cause hotspots, which can damage the surrounding components due to high temperatures.

Insgesamt kann die erfindungsgemäße Halteklammer 1 vier Positionen einnehmen. Im Folgenden werden mögliche Positionen der Halteklammer 1 anhand der Schnitte gemäß der beispielhaften Fig. 7 erläutert. Die z.B. Fig. 8a, 9a, 10a, 11a und 12a umfassen jeweils die Schnittdarstellung D-D der beispielhaften Fig. 7 in unterschiedlichen Positionen der Halteklammer 1. Die z.B. Fig. 8b, 9b, 10b, 11b und 12b umfassen jeweils die Schnittdarstellung E-E der beispielhaften Fig. 7 in unterschiedlichen Positionen der Halteklammer 1. Die Fig. z.B. 8c, 9c, 10c, 11c und 12c umfassen jeweils die Schnittdarstellung F-F der beispielhaften Fig. 7 in unterschiedlichen Positionen der Halteklammer 1. Die Vormontageposition, Rastposition und Betriebsposition folgen während des Fixierens der Halteklammer 1 an den Steckerteilen 9, 11 aufeinander. Die Demontageposition folgt auf die Betriebsposition, um die Steckerteile 9, 11 voneinander zu lösen.Overall, the retaining clip 1 according to the invention can assume four positions. In the following, possible positions of the retaining clip 1 are shown on the basis of the sections according to the exemplary Fig. 7 explained. The e.g. Figures 8a, 9a, 10a, 11a and 12a each include the sectional view DD of the exemplary Fig. 7 in different positions of the retaining clip 1. The example Figures 8b, 9b, 10b, 11b and 12b each include the sectional view EE of the exemplary Fig. 7 in different positions of the retaining clip 1. FIGS. 8c, 9c, 10c, 11c and 12c each include the sectional view FF of the exemplary Fig. 7 in different positions of the retaining clip 1. The pre-assembly position, latching position and operating position follow one another while the retaining clip 1 is being fixed to the plug parts 9, 11. The dismantling position follows the operating position in order to release the plug parts 9, 11 from one another.

Die erste Position heißt im Folgenden Vormontageposition und ist die Position der Halteklammer 1 bevor die Führungsnocken 37a, 37b entlang der VerbindungsachseThe first position is called the pre-assembly position in the following and is the position of the retaining clip 1 in front of the guide cams 37a, 37b along the connecting axis

X die Schulter 22 berühren, z.B. in Fig. 8a, 8b und 8c. Die Rastvorsprünge 18 sind nach beispielsweise Fig. 8a jeweils auf den konischen Ansätzen der Führungsschultern 38 angeordnet. Der Verbindungssteg 2 ist fluchtend zu den Begrenzungswänden 27a, 27b angeordnet, z.B. in Fig. 8a, 8b. Die Führungsnocken 37a, 37b befinden sich z.B. nach Fig. 8c entlang der Verbindungsachse X im Bereich der Schnittebene F-F. Der jeweilige Anschlagnocken 19 befindet sich z.B. gemäß Fig. 8c entlang der Halteklammererstreckungsachse Y im Bereich des jeweiligen außen vorstehenden Verriegelungsfortsatzes 31, wodurch die Führungsstege 8 gegen ein Aufweiten in Bezug auf die Verbindungachse X gesichert sind.X touch the shoulder 22, e.g. in Figures 8a, 8b and 8c . The locking projections 18 are for example Figure 8a each arranged on the conical lugs of the guide shoulders 38. The connecting web 2 is aligned with the boundary walls 27a, 27b, for example in Figures 8a, 8b . The guide cams 37a, 37b are, for example, after Figure 8c along the connecting axis X in the area of the cutting plane FF. The respective stop cam 19 is located, for example, according to Figure 8c along the retaining clip extension axis Y in the area of the respective externally protruding locking extension 31, whereby the guide webs 8 are secured against widening in relation to the connection axis X.

Von der Vormontageposition gelangt die Halteklammer 1 in die Rastposition über eine Übergangsposition, die sich während der Steckbewegung des männlichen Steckerteils 11 in das weibliche Steckerteil 9 ergibt, nachdem der Führungsnocken 37b des männlichen Steckerteils 11 gegenüber der Vormontageposition entlang der Verbindungsachse X in Richtung des weiblichen Steckerteils 9 weiterbewegt worden ist. Sobald der Führungsnocken 37b entlang der Verbindungsachse X auf die Schulter 22 trifft, bewegt sich diese aufgrund ihrer schrägen Fläche 22a, und damit auch das gesamte Halteelement 1 entlang der Halteklammererstreckungsachse Y in Richtung des Verbindungsstegs 2, z.B. in Fig. 9b. Dabei gleitet der jeweilige Rastvorsprung 18 aus seiner Position an dem konischen Ansatz der Führungsschulter 38 in das Fenster 39 und ist dort gegen eine weitere axiale Bewegung durch die Fensterhaltekante 41 gesichert, z.B. in Fig. 9a. Eine weitere Sicherung der Halteklammer 1 gegen axiale Bewegung entlang der Halteklammererstreckungsachse Y erfolgt durch den Anschlag des jeweiligen Anschlagnockens 19 an die Anschlagschulter 33.From the preassembly position, the retaining clip 1 moves into the latching position via a transition position that results during the plugging movement of the male plug part 11 into the female plug part 9 after the guide cam 37b of the male plug part 11 is opposite the preassembly position along the connection axis X in the direction of the female plug part 9 has been moved on. As soon as the guide cam 37b meets the shoulder 22 along the connecting axis X, this moves due to its inclined surface 22a, and thus also the entire holding element 1 along the holding clamp extension axis Y in the direction of the connecting web 2, for example in Figure 9b . The respective locking projection 18 slides out of its position on the conical extension of the guide shoulder 38 into the window 39 and is secured there against further axial movement by the window holding edge 41, for example in Figure 9a . The retaining clip 1 is further secured against axial movement along the retaining clip extension axis Y by the stop of the respective stop cam 19 on the stop shoulder 33.

Die zweite Position heißt im Folgenden Rastposition und ist die Position der Halteklammer 1, wenn die Halterippe 21 formschlüssig hinter die in Eindringrichtung des männlichen Steckerteils 11 am männlichen Steckerteil 11 angeordnete Haltenase 36 einrastet. Durch das Eindringen des männlichen Steckerteils 11 in das weibliche Steckerteil 9 verdrängt die Haltenase 36 die Halterippe 21 derart, dass der jeweilige Führungssteg 8 nach außen gespreizt wird, z.B. in Fig. 10a, 10b und 10c. Sobald das männliche Steckerteil 11 weiter entlang der Halteklammererstreckungsachse Y in das weibliche Steckerteil 9 geführt wird und die Haltenase 36 die Halterippe 21 axial entlang der Verbindungachse X überwindet, schnappt der jeweilige Führungssteg 8 in seine nicht gespreizte Position zurück. In der Rastposition wird jeder der beiden Rastvorsprünge 18 im gesteckten Zustand der Steckerteile 9, 11 durch die jeweilige Führungsnocke 37a, 37b aus dem jeweiligen Fenster 39 gedrückt, wodurch der Verriegelungssteg 7 eine gespreizte Position einnimmt, z.B. in Fig. 10a. Infolge der gespreizten Position jedes der beiden Verriegelungsstege 7 sind die Rastvorsprünge 18 nicht mehr durch ihre jeweilige Fensterhaltekante 41 blockiert und die Halteklammer 1 ist nicht mehr gegen eine Verschiebung entlang der Halteklammererstreckungsachse Y gesichert.The second position is referred to below as the latching position and is the position of the retaining clip 1 when the retaining rib 21 is arranged in a form-fitting manner behind that which is arranged on the male connector part 11 in the penetration direction of the male connector part 11 Retaining lug 36 engages. As a result of the male connector part 11 penetrating into the female connector part 9, the retaining lug 36 displaces the retaining rib 21 in such a way that the respective guide web 8 is spread outward, for example in Figures 10a, 10b and 10c . As soon as the male connector part 11 is guided further along the retaining clip extension axis Y into the female connector part 9 and the retaining lug 36 overcomes the retaining rib 21 axially along the connecting axis X, the respective guide web 8 snaps back into its non-spread position. In the latching position, each of the two latching projections 18 is pressed out of the respective window 39 by the respective guide cam 37a, 37b when the plug parts 9, 11 are plugged in, whereby the locking web 7 assumes a spread position, for example in Figure 10a . As a result of the spread position of each of the two locking webs 7, the locking projections 18 are no longer blocked by their respective window retaining edge 41 and the retaining clip 1 is no longer secured against displacement along the retaining clip extension axis Y.

Um die nächste, dritte Position der Montagepositionen zu erreichen, wird der Verbindungssteg 2 der Halteklammer 1 entlang der Halteklammererstreckungsachse Y manuell in Richtung der freien Enden der Verriegelungsstege 7 und Führungsstege 8 gedrückt, bis die Rastvorsprünge 18 jeweils auf dem konischen Ansatz der jeweiligen Führungsschultern 38 angeordnet sind und der Verbindungssteg 2 fluchtend zu den Begrenzungswänden 27a, 27b angeordnet ist. Das manuelle Drücken der Halteklammer 1 ist im vorgenannten, gesteckten Zustand der beiden Steckerteile 9, 11 nur möglich, wenn das männliche Steckerteil 11 so weit in das weibliche Steckerteil 9 geführt ist, dass jede der mit der jeweiligen schrägen Flächen 22a der entsprechenden Schulter 22 zusammenwirkende Führungsnocke 37a, 37b entlang der Verbindungsachse X vollständig an der jeweiligen Schulter 22 vorbeigeführt ist. Andernfalls ist die Halteklammer 1 an ihren Schultern 22 durch die jeweilige Führungsnocke 37a, 37b an einer Bewegung entlang der Halteklammerstreckungsachse Y in Richtung des Verbindungsstegs 2 blockiert.In order to reach the next, third position of the assembly positions, the connecting web 2 of the retaining clip 1 is manually pressed along the retaining clip extension axis Y in the direction of the free ends of the locking webs 7 and guide webs 8 until the latching projections 18 are each arranged on the conical attachment of the respective guide shoulders 38 and the connecting web 2 is arranged in alignment with the boundary walls 27a, 27b. The manual pressing of the retaining clip 1 is only possible in the aforementioned, plugged-in state of the two connector parts 9, 11 if the male connector part 11 is guided so far into the female connector part 9 that each of the co-operating with the respective inclined surfaces 22a of the corresponding shoulder 22 Guide cam 37a, 37b is guided along the connecting axis X completely past the respective shoulder 22. Otherwise, the retaining clip 1 is blocked at its shoulders 22 from moving along the retaining clip extension axis Y in the direction of the connecting web 2 by the respective guide cam 37a, 37b.

Die dritte Position heißt im Folgenden Betriebsposition und ist die Position der Halteklammer 1 bei abgeschlossener Fixierstellung der beiden Steckerteile 9, 11, wobei eine Scheinsteckung ausgeschlossen ist. Hierbei ist jeder der beiden Rastvorsprünge 18 z.B. nach Fig. 11a auf dem konischen Ansatz der jeweiligen Führungsschultern 38 angeordnet, wodurch die Verriegelungsstege 7 bündig mit den Begrenzungswänden 27a, 27b abschließt. Durch die formschlüssige Verbindung zwischen der Haltenase 36 und der Halterippe 21 sind die beiden Steckerteile 9, 11 gegen ein axiales Lösen entlang der Verbindungachse X gesichert, z.B. in Fig. 11b. Der jeweilige Anschlagnocken 19 befindet sich z.B. gemäß Fig. 11c entlang der Halteklammererstreckungsachse Y im Bereich des jeweiligen außen vorstehenden Verriegelungsfortsatzes 31, wodurch der Führungssteg 8 gegen ein Aufweiten gesichert ist.The third position is called the operating position in the following and is the position of the retaining clip 1 when the two connector parts 9, 11 are in the completed fixing position, a dummy plugging being excluded. Here, each of the two locking projections 18 is, for example, after Figure 11a arranged on the conical extension of the respective guide shoulders 38, whereby the locking webs 7 are flush with the boundary walls 27a, 27b. Due to the positive connection between the retaining lug 36 and the retaining rib 21, the two plug parts 9, 11 are secured against axial loosening along the connection axis X, for example in Figure 11b . The respective stop cam 19 is located, for example, according to Figure 11c along the retaining clip extension axis Y in the area of the respective externally protruding locking extension 31, whereby the guide web 8 is secured against widening.

Zum Lösen der beiden Steckerteile 9, 11 wird der Verbindungssteg 2 der Halteklammer 1 entlang der Halteklammererstreckungsachse Y in Richtung der freien Enden der Verriegelungsstege 7 und Führungsstege 8 manuell in eine Demontageposition gedrückt, bis der Verbindungssteg 2 auf dem weiblichen Verbindungsmittel 9 anschlägt. Dabei gleiten die Rastvorsprünge 18 jeweils an den konischen Führungsschultern 38 entlang, wodurch der jeweilige Verriegelungssteg 7 gespreizt wird, z.B. in Fig. 12a. Der Führungssteg 8 wird gespreizt, indem der jeweilige Anschlagnocken 19 des Führungsstegs 8 entlang der konischen Endwand 32 gleitet, z.B. in Fig. 12c. Unterstützend kann das freie Ende des Führungsstegs 8 entlang der Führungsschulter 38 gleiten, z.B. in Fig. 12b.To release the two connector parts 9, 11, the connecting web 2 of the retaining clip 1 is manually pressed into a dismantling position along the retaining clip extension axis Y in the direction of the free ends of the locking webs 7 and guide webs 8 until the connecting web 2 strikes the female connector 9. The locking projections 18 slide along the conical guide shoulders 38, as a result of which the respective locking web 7 is spread apart, for example in Figure 12a . The guide web 8 is spread apart in that the respective stop cam 19 of the guide web 8 slides along the conical end wall 32, for example in Figure 12c . Supporting the free end of the guide web 8 can slide along the guide shoulder 38, for example in Figure 12b .

In den Figuren 13a bis 13e ist eine weitere Ausführungsform der Halteklammer 1 dargestellt. In den Figuren 13a und 13b ist die Vormontageposition dargestellt, in welcher der Rastvorsprung 18 des Verriegelungsstegs 7 der Halteklammer 1 an einem Anschlag 42 des weiblichen Steckerteils 9 anliegt. Der Rastvorsprung 18 liegt in der Vormontageposition insbesondere an einer Anschlagebene 42a des Anschlags 42 an, wobei sich die Anschlagebene 42a spitzwinklig mit einem Winkel in einem Bereich von 80° bis 85°, insbesondere 82°, bezüglich der Halteklammererstreckungsachse Y erstreckt (veranschaulicht durch eine erste gestrichelte Hilfslinie in Fig. 13e, die eine zweite gestrichelte Hilfslinie kreuzt, die sich parallel zur Halteklammererstreckungsachse Y erstreckt).In the Figures 13a to 13e a further embodiment of the retaining clip 1 is shown. In the Figures 13a and 13b the pre-assembly position is shown in which the latching projection 18 of the locking web 7 of the retaining clip 1 rests against a stop 42 of the female connector part 9. In the pre-assembly position, the latching projection 18 lies in particular on a stop plane 42a of the Stop 42, the stop plane 42a extending at an acute angle at an angle in a range from 80 ° to 85 °, in particular 82 °, with respect to the retaining clip extension axis Y (illustrated by a first dashed auxiliary line in Figure 13e that crosses a second dashed auxiliary line that extends parallel to the retaining clip extension axis Y).

Insbesondere erstreckt sich eine an der Anschlagebene 42a des Anschlags 42 anliegende Rastebene 18a des Rastvorsprungs 18 spitzwinklig mit einem Winkel in einem Bereich von 80° bis 85°,insbesondere 82°, bezüglich der Halteklammererstreckungsachse Y (veranschaulicht durch eine dritte gestrichelte Hilfslinie in Fig. 13b, die eine zweite gestrichelte Hilfslinie kreuzt, die sich parallel zur Halteklammererstreckungsachse Y erstreckt). Besonders bevorzugt besteht eine Differenz zwischen den Winkeln der Ausrichtungen der Ebenen 18a, 42a. Bei der bevorzugten Ausgestaltung der Halteklammer 1 kann diese selbst bei erhöhtem Kraftaufwand nicht in die Betriebsposition überführt werden, ohne dass das männliche Steckerteil 11 in das weibliche Steckerteil 9 eingesteckt ist.In particular, a latching plane 18a of the latching projection 18 lying on the stop plane 42a of the stop 42 extends at an acute angle at an angle in a range from 80 ° to 85 °, in particular 82 °, with respect to the retaining clip extension axis Y (illustrated by a third dashed auxiliary line in Figure 13b that crosses a second dashed auxiliary line that extends parallel to the retaining clip extension axis Y). Particularly preferably, there is a difference between the angles of the orientations of the planes 18a, 42a. In the preferred embodiment of the retaining clip 1, it cannot be transferred into the operating position, even with increased effort, without the male connector part 11 being plugged into the female connector part 9.

Vorzugsweise schließen sich in angegebener Reihenfolge an die Anschlagebene 42a des Anschlags 42 in Richtung der Führungsschulter 38 eine erste Übergangsebene 42b und eine zweite Übergangsebene 42c an, die derart ausgestaltet sind, dass im gespreizten Zustand der Halteklammer 1 der Rastvorsprung 18 von der zweiten in die dritte Position überführbar ist. Beispielsweise kann sich zu diesem Zweck die zweite Übergangsebene 42c parallel zur Halteklammererstreckungsachse Y und die erste Übergangsebene 42b rampenartig zur zweiten Übergangsebene 42c erstrecken, d. h. einen stumpfen Winkel mit der zweiten Übergangsebene 42c einschließen.Preferably, a first transition plane 42b and a second transition plane 42c adjoin the stop plane 42a of the stop 42 in the specified order in the direction of the guide shoulder 38, which are designed in such a way that in the spread state of the retaining clip 1 the latching projection 18 moves from the second to the third Position is transferable. For example, for this purpose, the second transition plane 42c can extend parallel to the retaining clip extension axis Y and the first transition plane 42b can extend like a ramp to the second transition plane 42c, i. H. enclose an obtuse angle with the second transition plane 42c.

In der dritten Position, der Betriebsposition, siehe Fig. 13c, liegt der Rastvorsprung 18 am konischen Ansatz der Führungsschulter 38 an. Vorzugsweise weist die Führungsschulter 38 eine erste Führungsebene 38a auf, die sich spitzwinklig bezüglich der Halteklammererstreckungsachse Y mit einem Winkel α erstreckt. Insbesondere liegt der Winkel α in einem Bereich von 72° bis 77°, insbesondere von 75°. Vorzugsweise schließt sich an die erste Führungsebene 38a in Richtung der Demontageposition des Rastvorsprungs 18 eine zweite Führungsebene 38b an. Die zweite Führungsebene 38b erstreckt sich insbesondere mit einem kleineren Winkel β als der Winkel α der ersten Führungsebene 38a, vorzugsweise in einem Bereich von 42° bis 47°, insbesondere von 45°, bezüglich der Halteklammerstreckungsachse Y.In the third position, the operating position, see Figure 13c , the locking projection 18 rests on the conical approach of the guide shoulder 38. The guide shoulder 38 preferably has a first guide plane 38a that extends extends at an acute angle with respect to the holding clip extension axis Y at an angle α. In particular, the angle α lies in a range from 72 ° to 77 °, in particular from 75 °. A second guide plane 38b preferably adjoins the first guide plane 38a in the direction of the dismantling position of the locking projection 18. The second guide plane 38b extends in particular at a smaller angle β than the angle α of the first guide plane 38a, preferably in a range from 42 ° to 47 °, in particular 45 °, with respect to the holding clamp extension axis Y.

Vorzugsweise weist der Rastvorsprung 18 eine sich an die Rastebene 18a in Richtung zu dem männlichen Steckerteil 11 anschließende Abrundung 18b auf, an welche sich eine Auflageebene 18c anschließt, welche insbesondere sich parallel zu der Halteklammererstreckungsachse Y erstreckt, siehe Fig. 13b. Der Rastvorsprung 18 liegt in der Demontageposition über seine Auflageebene 18c auf einer sich an die zweite Führungsebene 38b anschließenden Stützebene 38c der Führungsschulter 38 auf, wobei sich die Stützebene 38c insbesondere parallel bezüglich der Halteklammererstreckungsachse Y erstreckt, siehe Fig. 13e. Durch die bevorzugte Ausgestaltung der Führungsschulter 38 wird die Haptik bei der Anwendung der Halteklammer 1 verbessert: Ein Anwender muss beim Überführen des Rastvorsprungs 18 der Halteklammer 1 von der ersten Führungsebene 38a bis zur Stützebene 38c eine größere Kraft aufbringen, um den Rastvorsprung 18 von der ersten Führungsebene 38a bis zur zweiten Führungsebene 38b zu bewegen. Anschließend ist eine geringere Kraft zur Überführung des Rastvorsprungs 18 von der zweiten Führungsebene 38b zur Stützebene 38c aufzubringen. Die zweite Stützebene 38b erleichtert ein Zurückführen der Halteklammer 1 von der Stützebene 18c in die Betriebsposition.The latching projection 18 preferably has a rounded portion 18b adjoining the latching plane 18a in the direction of the male plug part 11, which is adjoined by a support plane 18c, which in particular extends parallel to the retaining clip extension axis Y, see Figure 13b . In the dismantling position, the locking projection 18 rests on its support plane 18c on a support plane 38c of the guide shoulder 38 that adjoins the second guide plane 38b, the support plane 38c extending in particular parallel with respect to the retaining clip extension axis Y, see FIG Figure 13e . The preferred configuration of the guide shoulder 38 improves the haptics when using the retaining clip 1: When transferring the locking projection 18 of the retaining clip 1 from the first guide plane 38a to the support plane 38c, a user has to apply a greater force to move the locking projection 18 away from the first To move management level 38a to the second management level 38b. Subsequently, a smaller force has to be applied to transfer the locking projection 18 from the second guide plane 38b to the support plane 38c. The second support plane 38b makes it easier to return the retaining clip 1 from the support plane 18c to the operating position.

Insbesondere ist der Anschlag 42 an einen Durchbruch 43 am weiblichen Steckerteil 9 gebildet (siehe Fig. 13a), in welchen das männliche Steckerteil 11 in der zweiten und dritten Position eingreift, siehe Figuren 13c und d.In particular, the stop 42 is formed on an opening 43 on the female plug part 9 (see FIG Figure 13a ), in which the male connector part 11 engages in the second and third positions, see Figures 13c and d.

In den Figuren 14a und 14b sind bevorzugte Ausführungsformen der Halterippe 21 des Führungsstegs 8 der Halteklammer 1 sowie der Haltenase 36 des männlichen Steckerteils 11 dargestellt. Hierbei sind die Halteklammer 1 und das männliche Steckerteil 11 sowie das weibliche Steckerteil 9 in der Betriebsposition dargestellt. Insbesondere weist die Halterippe 21 der Halteklammer 1 eine an der Haltenase 36 anliegende Halteebene 21a auf, welche sich spitzwinklig mit einem Winkel in einem Bereich von 80° bis 88°, insbesondere von 85°, bezüglich der Verbindungsachse X erstreckt, siehe Fig. 14b. Insbesondere erstreckt sich eine an der Haltebene 21a anliegende Haltenasenebene 36a der Haltenase 36 spitzwinklig mit einem Winkel in einem Bereich von 80° bis 88° bezüglich der Verbindungsachse X, siehe Fig. 14b. Besonders bevorzugt besteht eine Differenz zwischen den Winkeln der Ausrichtungen der Ebenen 21a, 36a, wobei die Haltenasenebene 36a insbesondere mit einem Winkel von 88° bezüglich der Verbindungsachse X ausgerichtet ist. Beispielsweise ist die Differenz zwischen beiden Winkeln der Ausrichtungen 3°. Durch die bevorzugte Ausgestaltung der Haltenase 36 und der Halterippe 21 wird die Haltekraft der Rastverbindung erhöht. Weiterhin wird bevorzugt ein Abgleiten der Halterippe 21 unter Belastung und damit verbundener Deformation der Komponenten der Steckverbindung verhindert.In the Figures 14a and 14b Preferred embodiments of the retaining rib 21 of the guide web 8 of the retaining clip 1 and the retaining lug 36 of the male connector part 11 are shown. Here, the retaining clip 1 and the male connector part 11 and the female connector part 9 are shown in the operating position. In particular, the retaining rib 21 of the retaining clip 1 has a retaining plane 21a resting on the retaining lug 36, which extends at an acute angle at an angle in a range of 80 ° to 88 °, in particular 85 °, with respect to the connecting axis X, see FIG Figure 14b . In particular, a retaining lug plane 36a of the retaining lug 36 resting on the retaining plane 21a extends at an acute angle at an angle in a range from 80 ° to 88 ° with respect to the connecting axis X, see FIG Figure 14b . Particularly preferably, there is a difference between the angles of the orientations of the planes 21a, 36a, the retaining lug plane 36a being in particular oriented at an angle of 88 ° with respect to the connecting axis X. For example, the difference between the two angles of the orientations is 3 °. Due to the preferred configuration of the retaining lug 36 and the retaining rib 21, the retaining force of the latching connection is increased. Furthermore, the holding rib 21 is preferably prevented from sliding off under load and the associated deformation of the components of the plug connection.

Weiterhin bezieht sich die vorliegende Erfindung darauf, dass die Steckverbindung in einem Halter befestigt ist. Dieser Halter besitzt eine oder mehrere innere Kontur/en, die der äußeren Kontur der Steckverbindung angepasst ist/sind, und/oder Haltemittel für Steckverbindung. Hierdurch wird eine Fixierung und eine erhöhte Sicherheit gegen Eisdruck bewirkt. Weiterhin kann oder können die im Halter vorhandene innere Kontur oder inneren Konturen derart gestaltet sein, dass ein Öffnen der Halteklammer 1 im eingelegten Zustand der Steckverbindung im Halter unmöglich ist.The present invention also relates to the fact that the plug connection is fastened in a holder. This holder has one or more inner contour / s, which is / are adapted to the outer contour of the plug connection, and / or holding means for the plug connection. This brings about a fixation and increased security against ice pressure. Furthermore, the inner contour or inner contours present in the holder can be designed in such a way that it is impossible to open the retaining clip 1 when the plug connection is inserted in the holder.

BezugszeichenlisteList of reference symbols

11
HalteklammerRetaining clip
22
VerbindungsstegConnecting bridge
3a3a
erstes Verbindungsendefirst end of connection
3b3b
zweites Verbindungsendesecond connection end
66
Schlitzslot
77th
VerriegelungsstegLocking bar
88th
FührungsstegGuide bar
99
weibliches Steckerteilfemale connector part
1111
männliches Steckerteilmale connector part
1212
KreislippenCircular lips
1313
LängskanteLong edge
1414th
Zungetongue
1616
LängsrippeLongitudinal rib
1717th
FachwerkverstärkungTruss reinforcement
1818th
RastvorsprungLocking projection
18a18a
RastebeneLocking plane
18b18b
AbrundungRounding off
18c18c
AuflageebeneSupport level
1919th
AnschlagnockenStop cam
2121st
HalterippeRetaining rib
21a21a
HalterippenebeneRetaining rib level
2222nd
Schultershoulder
22a22a
schräge Flächesloping surface
2323
ScheitelpunktVertex
2424
AußennutExternal groove
24a24a
AußennutendeOutside groove end
2626th
Durchbruchbreakthrough
27a27a
erste Begrenzungswandfirst boundary wall
27b27b
zweite Begrenzungswandsecond boundary wall
2828
TrennrippeDividing rib
2929
AnschlagnockenausnehmungStop cam recess
3131
VerriegelungsfortsatzLocking process
3232
EndwandEnd wall
3333
AnschlagschulterStop shoulder
3434
ZungenaufnahmeTongue recording
3636
HaltenaseRetaining lug
36a36a
HaltenasenebeneHolding nose level
37a37a
erste Führungsnockefirst guide cam
37b37b
zweite Führungsnockesecond guide cam
3838
FührungsschulterLeadership shoulder
38a38a
erste Führungsebenefirst management level
38b38b
zweite Führungsebenesecond management level
38c38c
StützebeneSupport level
3939
Fensterwindow
4040
FührungsnutenGuide grooves
4141
FensterhaltekanteWindow retaining edge
4242
Anschlagattack
42a42a
erste Anschlagebenefirst stop level
42b42b
erste Übergangsebene des Anschlagsfirst transition level of the attack
42c42c
zweite Übergangsebene des Anschlagssecond transition level of the attack
4343
Durchbruchbreakthrough
XX
VerbindungsachseConnection axis
YY
HalteklammererstreckungsachseRetaining clip extension axis

Claims (19)

  1. Plug-in connection, comprising a male plug part (11) and a female plug part (9), wherein the male plug part (11) can be inserted or is inserted into the female plug part (9) along a connection axis (X), wherein the two plug parts (9, 11) have a rectangular cross section along a connection plane, wherein the female plug part (9) can be connected to the inserted male plug part (11) by means of a U-shaped holding clip (1), which is guided on the female plug part (9), and assumes a latching position and an operating position,
    characterized in that the holding clip (1) comprises a connection web (2) with a first and a second connection end (3a, 3b), wherein a locking web (7) and a guide web (8) are integrally formed at the two connection ends (3a, 3b) perpendicular to the connection web (2) along a holding clip extent axis (Y) in a manner separated by a slot in each case, wherein the female plug part (9) has a U-shaped outer groove (24), and the holding clip (1) is fitted onto the outer groove (24), and the outer groove (24) comprises in each case one aperture (26) on its two opposite limbs, and the free ends of the locking webs (7) have latching projections (18) which face one another towards the inside and the two guide webs (8) have stop cams (19) on their bottom sides which are averted from the locking webs (7), wherein each guide web (8) comprises, on its inner faces which face one another, holding ribs (21) which project from the said inner faces and extend along a holding clip extent axis (Y), and a holding rib (21) and a shoulder (22) of the holding clip (1) pass through the respective aperture (26), wherein the holding ribs (21) and the shoulders (22), when the male plug part (11) is in the inserted state, interact with guide cams (37a, 37b), which are arranged on the said male plug part, and a holding lug (36) in such a way that the holding clip (1) can assume a pre-mounting position, the latching position, the operating position and a removal position,
    wherein the pre-mounting position is that position which the holding clip assumes before the guide cams (37a, 37b) make contact with the shoulders (22) along the connection axis (X),
    wherein the latching projections (18) engage into a window (39) in a transfer position of the holding clip (1) from the pre-mounting position to the latching position,
    wherein, in the latching position, each of the two latching projections (18) is pressed through the respective guide cam (37a, 37b) out of the respective window (39) when the plug parts (9, 11) are in the plugged state, as a result of which the locking web (7) assumes a spread position, and the latching position occurs when the holding rib (21) latches in in an interlocking manner behind the holding lug (36) which is arranged on the male plug part (11) in the penetration direction of the male plug part (11), and the operating position is the position of the holding clip (1) when the fixing positioning of the two plug parts (9, 11) is completed, wherein a pseudo plug-in connection is precluded, wherein the outer groove (24) has in each case one outer groove end (24a) which is correlated with the free ends of the locking webs (7) and guide webs (8), wherein the outer groove end (24a) has a guide shoulder which rises conically along the holding clip extent axis (Y) for the locking web (7) and for the guide web (8) in each case, the locking web (7) and the guide web (8) being mounted in a sliding manner on the said guide shoulder in the removal position, and wherein, in the removal position, the connection web (2) of the holding clip (1) is pressed along the holding clip extent axis (Y) in the direction of the free ends of the locking webs (7) and of the guide webs (8) and the connection web (2) stops on the female plug part (9), and wherein the holding clip (1), as a plug-in indicator, indicates whether the female and the male plug part (9, 11) are fully plugged one into the other.
  2. Plug-in connection according to Claim 1,
    characterized in that the connection web (2) has a longitudinal edge (13) which runs perpendicular to the holding clip extent axis (Y) and to the connection axis (X) .
  3. Plug-in connection according to either of Claims 1 and 2,
    characterized in that at least the guide webs (8) have a framework reinforcement (17) on their outer surfaces, which are averted from one another, along their longitudinal axis which corresponds to the holding clip extent axis (Y).
  4. Plug-in connection according to one of Claims 1 to 3,
    characterized in that the locking webs (7) are narrower than the guide webs (8).
  5. Plug-in connection according to one of Claims 1 to 4,
    characterized in that the holding ribs (21) are arranged on side surfaces of each guide web (8) that face one another.
  6. Plug-in connection according to one of Claims 1 to 5,
    characterized in that the locking webs (7) and the guide webs (8) are arranged flush with the plug parts (9, 11) when the plug parts (9, 11) are in the plugged-together state.
  7. Plug-in connection according to one of Claims 3 to 6,
    characterized in that each guide web (8) comprises in each case one shoulder (22) with an oblique face (22a) between the holding rib (21) and the connection web (2) along the holding clip extent axis (Y).
  8. Plug-in connection according to Claim 7,
    characterized in that the oblique face (22a) encloses an angle of less than 90° with a bottom edge of the guide web (8) that runs parallel to the holding clip extent axis (Y).
  9. Plug-in connection according to one of the preceding claims,
    characterized in that each holding rib (21) engages in each case in an interlocking manner behind the holding lug (36) which is arranged on the male plug part (11) in the penetration direction of the male plug part (11).
  10. Plug-in connection according to one of the preceding claims,
    characterized in that the holding clip (1) is designed in one piece, preferably monolithically.
  11. Plug-in connection according to one of the preceding claims,
    characterized in that the holding clip (1) comprises plastic, preferably glass fibre-reinforced plastic.
  12. Plug-in connection according to one of the preceding claims,
    characterized in that the outer groove (24) is formed by a first and a second boundary wall (27a, 27b) which are situated opposite one another.
  13. Plug-in connection according to Claim 12,
    characterized in that the first boundary wall (27a) has in each case one stop cam recess (29) for the two guide webs (8) along the holding clip extent axis (Y).
  14. Plug-in connection according to Claim 1 and Claim 13,
    characterized in that the stop cam recess (29) for the respective stop cam (19) has an outwardly adjoining locking extension (31) on each of the guide webs (8), which locking extension interacts with the stop cam (19) in such a way that spreading of the guide web (8) is prevented, in particular in the operating position.
  15. Plug-in connection according to Claim 1 and either of Claims 13 and 14,
    characterized in that the stop cam recess (29) has a conically rising profile along the holding clip extent axis (Y) at its end wall (32) which points in the direction towards the free end of the guide web (8), so that the guide web (8) is spread when the stop cam (19) bears against the end wall (32).
  16. Plug-in connection according to Claim 9 and one of Claims 13 to 15,
    characterized in that the stop cam recess (29) has a stop shoulder (33) on its edge which is directed towards the connection web (2), the stop cam (19) stopping against the said stop shoulder when the holding clip (1) is pushed along the holding clip extent axis (Y) in the direction of the connection web (2).
  17. Plug-in connection according to one of Claims 1 to 16,
    characterized in that, in the pre-mounting position in which the latching projection (18) of the locking web (7) of the holding clip (1) bears against a stop (42) of the female plug part (9), the stop plane (42a) of the said stop extends at an acute angle, in particular in a range of from 80° to 85°, in particular of 82°, with respect to the holding clip extent axis (Y), and a latching plane (18a) of the latching projection (18), which latching plane bears against the stop plane (42a) of the stop (42), extends at an acute angle with a corresponding angle, in particular in a range of from 80° to 85°, in particular of 82°, with respect to the holding clip extent axis (Y).
  18. Plug-in connection according to one of Claims 1 to 17,
    characterized in that the latching projection (18) bears against a conical attachment of the guide shoulder (38) in the operating position, wherein the guide shoulder (38) has a first guide plane (38a) which extends at an acute angle (α) with respect to the holding clip extent axis (Y) which has a magnitude of from 72° to 77°, in particular of 75°, and a second guide plane (38b) adjoins the said first guide plane in the direction of the removal position, which second guide plane is at a smaller angle β than the first guide plane (38a), in particular an angle of from 42° to 47°, in particular of 45°, to the holding clip extent axis (Y), and a supporting plane (38c) adjoins the second guide plane (38b).
  19. Plug-in connection according to one of Claims 1 to 18,
    characterized in that the holding rib (21) of the holding clip (1) has a holding rib plane (21a) which bears against the holding lug (36) and extends at an acute angle to the connection axis (X) at an acute angle of from 82° to 88°, in particular of 88°, and wherein a holding lug plane (36a) of the holding lug (36), which holding lug plane bears against the holding rib plane (21a), extends at an acute angle with respect to the connection axis (X) at an acute angle of from 82° to 88°, in particular of 85°.
EP17709691.4A 2016-03-10 2017-03-09 Plug-in connection having a plugging indicator Active EP3427348B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016104436 2016-03-10
DE102016112000.6A DE102016112000A1 (en) 2016-03-10 2016-06-30 Plug connection with a plug-in indicator
PCT/EP2017/055595 WO2017153542A1 (en) 2016-03-10 2017-03-09 Plug-in connection having a plugging indicator

Publications (2)

Publication Number Publication Date
EP3427348A1 EP3427348A1 (en) 2019-01-16
EP3427348B1 true EP3427348B1 (en) 2020-11-25

Family

ID=59700306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17709691.4A Active EP3427348B1 (en) 2016-03-10 2017-03-09 Plug-in connection having a plugging indicator

Country Status (3)

Country Link
EP (1) EP3427348B1 (en)
DE (1) DE102016112000A1 (en)
WO (1) WO2017153542A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4228104A1 (en) * 2022-02-14 2023-08-16 Radiall Connector provided with a locking cover to a complementary connector and means for securing the locking and the related coupling between connectors, and method for mating the connector and the complementary connector

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DE19527050C2 (en) * 1995-07-25 2003-04-24 Modine Mfg Co Heat exchangers for motor vehicles
JP3334102B2 (en) * 1997-08-19 2002-10-15 矢崎総業株式会社 Connector lock structure
ITTO980287A1 (en) * 1998-03-31 1999-10-01 Framatome Connectors Italia ELECTRIC CONNECTION UNIT.
JP3552192B2 (en) * 1998-04-08 2004-08-11 矢崎総業株式会社 Connector lock structure
GB9826549D0 (en) * 1998-12-03 1999-01-27 Delphi Automotive Systems Gmbh Electrical and/or optical connector
JP4286742B2 (en) * 2004-08-04 2009-07-01 住友電装株式会社 connector

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Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4228104A1 (en) * 2022-02-14 2023-08-16 Radiall Connector provided with a locking cover to a complementary connector and means for securing the locking and the related coupling between connectors, and method for mating the connector and the complementary connector
FR3132798A1 (en) * 2022-02-14 2023-08-18 Radiall Connector provided with a cap for locking a complementary connector and means(s) for securing the locking and the related coupling between connectors.

Also Published As

Publication number Publication date
EP3427348A1 (en) 2019-01-16
DE102016112000A1 (en) 2017-09-14
WO2017153542A1 (en) 2017-09-14

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