EP3961821A1 - Dispositif de connexion doté d'un connecteur enfichable et d'un connecteur enfichable complémentaire - Google Patents

Dispositif de connexion doté d'un connecteur enfichable et d'un connecteur enfichable complémentaire Download PDF

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Publication number
EP3961821A1
EP3961821A1 EP21192951.8A EP21192951A EP3961821A1 EP 3961821 A1 EP3961821 A1 EP 3961821A1 EP 21192951 A EP21192951 A EP 21192951A EP 3961821 A1 EP3961821 A1 EP 3961821A1
Authority
EP
European Patent Office
Prior art keywords
arm
base
connector
locking
connecting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP21192951.8A
Other languages
German (de)
English (en)
Other versions
EP3961821C0 (fr
EP3961821B1 (fr
Inventor
Johannes Eben
Thomas Kirschner
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.)
MD Elektronik GmbH
Original Assignee
MD Elektronik 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 MD Elektronik GmbH filed Critical MD Elektronik GmbH
Publication of EP3961821A1 publication Critical patent/EP3961821A1/fr
Application granted granted Critical
Publication of EP3961821C0 publication Critical patent/EP3961821C0/fr
Publication of EP3961821B1 publication Critical patent/EP3961821B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6272—Latching means integral with the housing comprising a single latching arm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • 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
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Definitions

  • the invention relates to a connecting device with a connector and a mating connector, in particular for connecting at least one cable to another electrical component.
  • Connector arrangements are generally used for the detachable connection of cables, in particular coaxial cables, to an electrical component.
  • Connector assemblies typically include contact portions that are connected to the conductive components of the cable to establish an electrical connection between the cable and the component to be connected.
  • a connector arrangement typically has a housing part for each connection partner. The housing part is mechanically connected either to the component or the cable or to the contact parts.
  • the housing parts of the connection partners can be detachably connected to one another in order to create an additional connection which, on the one hand, protects the conductive connection of the contact parts and makes the connection of the connection partners more stable and resilient to external influences.
  • plug connector position safeguard may be necessary, which prevents the snap connection from being released unintentionally or unintentionally.
  • Such connector position fuses are, for example, from the writings US9054458B1 , US10355414B1 and DE 11 2017 001 349 T5 famous.
  • connection device which has connector position assurance but with a significantly reduced level of complexity.
  • a connecting device comprises a connector and a mating connector.
  • the plug connector has a housing that has a mating side, a rear side, and a base side that connects the mating side and the rear side.
  • the back is preferably arranged opposite the plug-in side, and the housing can have at least one plug-in chamber that extends from the back to the plug-in side.
  • the connector has a locking arm.
  • the mating connector has a receiving space into which the connector can be inserted at least partially in an insertion direction into a connection position. In the connection position, the locking arm is in a rest position in engagement with a locking receptacle of the mating connector.
  • a resting position can be understood to mean that no external, in particular mechanical, force is acting that would change the position of the latching arm.
  • the connector also has a fuse unit which is movably arranged on the base.
  • the securing unit is arranged between a locking position, in which the securing unit locks the locking arm in the rest position, and a release position, in which the locking arm can be moved out of its rest position.
  • the securing unit prevents the latching arm from being able to be moved out of its rest position.
  • the latching arm is preferably at least as far out of the rest position movable out that in the connection position of the locking arm can be moved out of the locking receptacle.
  • the fuse unit has a base part and a fuse arm extending away from the base part in the direction of the plug-in side.
  • the securing arm has a stop surface which, in the release position, abuts against a stopper element arranged on the base side of the housing, so that movement of the securing unit into the locking position is blocked.
  • the security unit is preferably located outside of the connection position in the release position.
  • the securing arm has a deflection bevel on an end facing away from the base part.
  • the mating connector has at least one counter-stop element.
  • the counter-stop element strikes the deflection bevel, with the securing arm being deflected perpendicularly to the insertion direction and parallel to the base.
  • the securing arm is deflected with the aid of the counter-stop element to such an extent that the stop surface is offset relative to the stopper element and the securing unit can be moved into the locking position.
  • the deflection of the securing arm is preferably carried out in such a way that the securing arm slides off due to the deflection bevel on the counter-stop element when the plug connector is inserted into the receiving surface and is deflected by elastic deformation.
  • the structure according to the invention makes it possible to provide a connecting device with the aid of which at least one cable can be electrically conductively connected to an electrical component, with an additional plug-in position safeguard preventing the connection from becoming unintentionally loose.
  • the degree of complexity of the connecting device can be kept low, which reduces the manufacturing effort and thus the costs incurred for the connecting device without having to accept disadvantages in terms of the functionality of the connecting device.
  • the base can be divided by a center plane into a first and a second base section, which extends centrally from the back to the plug-in side and perpendicular to the base.
  • the middle level is not a physical level, but an imaginary, particularly mathematical level.
  • “in the middle” can be understood to mean that the center plane between the back and the plug-in side, in particular over the entire length of the base side Having a distance that the center plane has to a first base side outer edge, which is equal to the distance that the center plane has to a second base side outer edge.
  • the first and second base side outer edges can be arranged mirror-symmetrically to one another, with the center plane particularly preferably representing the mirror plane.
  • a movement axis along which the safety unit can be moved between the release position and the locking position is arranged parallel to the center plane. Furthermore, it is preferred that the securing arm is deflected in the direction of the central plane by the counter-stop element. In the release position, the securing arm can be arranged completely in the second base side section, with the securing arm being arranged at least for the most part in the base side section in the locking position.
  • the latching arm can preferably be connected to the base in the area of the plug-in side and can extend at a distance from the base along the base, in particular parallel to the center plane, towards the rear. The distance between the latching arm can increase from the plug-in side to the rear.
  • the latching arm can be formed in one piece and/or of the same material as the housing.
  • the latching arm can have an actuating section on an end facing away from the plug-in side, which is at least predominantly arranged in the first base side section. Depending on the embodiment, it is also possible for the arm to be arranged entirely in the first base side section.
  • an actuating section can be understood to mean a section of the locking arm that is designed to move the locking arm out of its rest position, in particular by pushing or pulling, in order, for example, to release the engagement of the locking arm of the connector in the locking receptacle of the mating connector.
  • the housing can have a safety clip that spans the actuation portion of the latch arm. It is preferred at this point that the safety bracket only spans a partial section of the actuating section.
  • the safety clip can extend, for example, from the first outer edge of the base side to the second outer edge of the base side.
  • the safety bracket is preferably made of the same material and/or is formed in one piece with the housing.
  • a passage is preferably enclosed by the base and the safety bracket, through which at least the actuating section of the latching arm is guided.
  • the security unit can also be guided through the passage. At this point, however, is special preferably, at least in the release position, the securing arm is guided through the passage, but the base part is arranged outside of the passage.
  • the safety unit can have a bolt which is arranged in the locking position between the actuating section and the safety bracket.
  • the bolt is preferably connected to the base part via a cover element which covers the actuating section at least in the locking position.
  • the actuating section is arranged at least in sections between the base part and the cover element, at least in the locking position.
  • the actuation section is arranged at least in sections between the latch and the base in the release position, with the actuation section being able to be actuated particularly preferably indirectly via the latch, for example by pressing the latch in the direction of the base and thereby exerting a force on the actuation section affects and also the actuating section is pressed in the direction of the base.
  • the safety arm can have a holding element on a side facing away from the base side, which abuts against a side wall of the safety bracket at least in the release position.
  • the sidewall is preferably at an angle of between 60 and 120 degrees, more preferably perpendicular, to the median plane.
  • the holding element can have an impact surface which runs approximately parallel to the side wall.
  • the holding element can have a first insertion bevel.
  • the side wall can also have a second insertion bevel complementary to the first insertion bevel on a side facing away from the holding element.
  • the stopper member and at least a majority of the securing arm may be disposed in the second base side portion. It is particularly preferred at this point that at least the actuating section of the latching arm is arranged for the most part or also completely in the first base side section and the securing arm for the most part or also completely in the second base side section. Furthermore, it is particularly preferred that the stopper element and the actuating section are offset from one another in relation to the center plane. Offset can be understood in this context be that between the stopper element and the operating section there is no connecting line that runs parallel to the center plane.
  • the safety arm In the release position, the safety arm can enclose an angle ⁇ 1, in particular an acute angle, together with the central plane, which is larger than an angle ⁇ 2 which the safety arm encloses with the central plane in the locking position.
  • Both the angle ⁇ 1 and the angle ⁇ 2 preferably have the same vertex.
  • the angles ⁇ 1 and ⁇ 2 open in the direction of the mating side.
  • the securing arm extends parallel to the latching arm and/or to the central plane in the locking position.
  • the deflection bevel and the center plane, in particular in the locking position can enclose an acute angle ⁇ , which opens in the direction of the rear.
  • the securing arm can be arranged at least in sections between the latching arm and the base.
  • the securing arm can be arranged at least in sections between the base and the latching arm both in the release position and in the locking position. In the locking position in particular, it is particularly preferred that the deflection bevel is arranged completely between the latching arm and the base.
  • the latching arm In a region in which the securing arm is arranged between the latching arm and the base, the latching arm can have a bulge at least in sections on a side facing the securing arm. If the securing arm has a holding element, the holding element can be arranged at least partially in the bulge, at least in the locking position.
  • the latching arm In the locking position, the latching arm can at least partially rest on the base part.
  • the latching arm preferably rests with the actuating section on the base part.
  • the safety unit can have at least one latching hook and the housing can have at least one first opening and at least one second opening, the latching hook engaging in the first opening in the release position and in the second opening in the locking position.
  • the latching hook preferably holds the securing unit in the release position or locking position by engaging in the first or second opening. It is at this point, it is particularly preferred that the latching hook is arranged on a side of the base part that faces the base side.
  • the securing unit has at least two latching hooks, two first openings and two second openings, which are each arranged mirror-symmetrically to one another, with the central plane preferably representing the plane of symmetry.
  • the at least one first opening and the at least one second opening can be arranged one behind the other along parallel to the main plane.
  • the stopper element can have a counter-abutment surface, which the abutment surface abuts at least partially in the release position.
  • the counter stop surface can enclose an acute or right angle ⁇ with the base side, with the angle ⁇ being able to open towards the back.
  • the counter-stop surface is arranged on a side of the stopper element that faces away from the plug-in side and on a side that faces the rear side. If the angle ⁇ is designed as an acute angle, the angle ⁇ preferably has an angle of 45 degrees to 89 degrees, more preferably 60 degrees to 89 degrees. Furthermore, it is of particular advantage if the stop surface is formed at the corresponding angle to the counter stop surface, so that in the release position the stop surface preferably abuts flat against the counter stop surface.
  • FIG 1 shows a first embodiment of a connector 2 of a connecting device according to the invention in a three-dimensional exploded view.
  • the connector 2 has a housing 4 with a plug-in side 5, a back 6 and a base side 7 connecting the back 6 and the plug-in side 5.
  • 4 parallel plug-in chambers 35 extend from the back 6 to the plug-in side 5 the back 6 four cables, not shown, are introduced, which can be connected via the plug-in side 5 with another electrical component, not shown.
  • the housing 4 has a locking arm 8 on the base 7.
  • the locking arm 8 is in one piece and is made of the same material as the housing 4 formed and connected to the housing 4 in the area of the plug-in side 5 .
  • the base side is delimited by a first base side outer edge 32 and a second base side outer edge 33 which extend between the rear side 6 and the mating side.
  • the housing 4 has a securing clip 24 which is arranged on the base side 7 and extends from the first base side outer edge 32 to the second base side outer edge 33 .
  • the securing clip 24 together with the base 7 encloses a passage through which the locking arm 8 protrudes in part with an actuating section 23 .
  • a stopper element 15 is arranged on the base side 7 . In the present embodiment, the stopper element 15 is arranged between the locking arm 8 and the base 7 .
  • the connector 2 also has a fuse unit 11 which can be positioned on the base 7 of the housing 4 .
  • the safety unit 11 consists of a base part 12 from which a safety arm 13 extends.
  • the safety arm 13 has a stop surface 14 on an end 16 facing away from the base part 12. If the safety unit 11 is positioned in a release position on the base 7 of the housing 4, the stop surface 14 is arranged on a side of the safety arm 13 facing the base 7.
  • the securing arm 13 has a deflection bevel 17 at the end 16 which faces away from the base part 12 .
  • the securing unit 11 can be moved between the release position already mentioned and a locking position on the base side 7 of the housing 4 .
  • the safety unit 11 has two latching hooks 29 on the base part 12 on a side that faces the base 4 when the safety unit 11 is positioned on the base 7.
  • FIG 2 shows a three-dimensional representation of the first embodiment, with the safety unit 11 being arranged in the release position on the base 7 of the housing 4 .
  • the safety arm 13 has a holding element 26 on a side facing away from the base 7 , which abuts against a side wall 27 of the safety bracket 24 .
  • the securing unit 11 can therefore only be moved in the direction of the rear side 6 until the holding element 26 strikes the side wall 27 .
  • the security unit 11 also has a bolt 25 which is connected to the base part 13 via a cover element 34 .
  • the bolt 25 is arranged at least partially between the safety clip 24 and the latching arm 8 both in the release position and in the locking position.
  • figure 3 shows an enlarged representation of the first embodiment in a three-dimensional view with a sectional view perpendicular to the base 7.
  • the latching arm 8 has a bulge 28 on a side facing the base 7.
  • the bulge 28 ensures that the Security unit 11 can be moved between the release position and locking position without the freedom of movement of the security unit 11 is restricted.
  • the part of the actuating section 23 which is arranged on an end 22 of the latching arm 8 facing away from the plug-in side 5 can be used to operate the latching arm 8 . In the present embodiment, this is done by manually pressing the actuating section 23 in the direction of the base 7.
  • FIG figure 4 shows the three-dimensional representation of the first embodiment with a sectional view perpendicular to the base 7 according to FIG figure 3 , wherein the fuse unit 11 is arranged in the release position on the base 7 of the housing 4.
  • the stop surface 14 abuts against the stopper element 15 .
  • the bolt 25 of the safety unit 11 is located between the safety clip 24 and the actuating section of the latching arm 8.
  • the latching arm 8 is not moved, for example, by a fitter pressing the actuating section directly, but by the fitter pushing the cover element 34 in the direction of the base side 7 pushes. Due to the elastic deformation of the cover element 34, the bolt 25 presses on the latching arm 8, so that the latching arm 8 can be operated indirectly via the security unit 11.
  • FIG 5 shows a plan view of the base 7 of the connector 2 according to the first embodiment.
  • the safety unit 11 is in the release position.
  • the base 7 is divided by a center plane 19 into a first base section 20 and a base section 21 .
  • the base side sections 20, 21 are delimited by the center plane and the respective base side outer edge 32, 33.
  • the latching arm 8 is still arranged essentially in the center of the center plane 19 in the area of the plug-in side 5, the actuating section extends for the most part in the first base side section 20.
  • the actuating section is not shown for the sake of clarity.
  • the securing arm 13 is arranged completely in the second base side section 21 .
  • the securing arm 13 and the center plane 19 close a sharp point in the release position Angle ⁇ greater than 0 degrees.
  • the central plane 19 encloses an acute angle ⁇ with the deflection bevel 17 .
  • figure 6 shows the connecting device 1 in a plan view of the base side 7 of the connector 2, the connector 2 being arranged in a connection position within a receiving space 9 of a mating connector 3.
  • the security unit 11 is in the locked position.
  • the mating connector 3 has in its receiving space 9 a counter-stop element 18 which runs inside the receiving space 9 in the form of a web.
  • the connector 2 is moved into the receiving space 9 of the mating connector 3 in a step that is not shown. Even before the connection position is reached, the securing arm 13 is deflected by the counter-stop element 18 in the direction of the central plane.
  • the deflection bevel 17 strikes the counter-stop element 18 when the connector 2 is inserted into the receiving space 9 , with the deflection bevel 17 exerting a partial force on the securing arm 13 in the direction of the central plane 19 and deflecting the securing arm 13 .
  • the deflection takes place through an elastic deformation of the securing arm 13, which consists of a thermoplastic material.
  • the counter-stop element 18 is also bevelled.
  • the mating connector 3 has an additional abutment 36 in the receiving space 9.
  • the abutment 36 is also designed in the form of a web, the Locking arm 8 is guided between the web which is formed by the counter-stop element 18 and the web which is formed by the abutment 36 .
  • the securing arm 13 and the rest of the plug connector 3 are not deflected by this guidance.
  • figure 7 shows a sectional view of the connector 2 according to the first embodiment in the area of the fuse unit 11, the sectional plane running parallel to the center plane 19.
  • the safety unit 11 is in the release position.
  • the bolt 25 is partially arranged between the safety bracket 24 and the actuating section 23, the locking arm 8 is in a rest position.
  • the release position is the base part 12 offset in the direction of the back 6 to the locking arm 8 so that the end 23 of the locking arm 8 can be guided past the base part 12 in the direction of the base side 7 .
  • figure 8 12 shows a sectional view of the connector 2 according to the first embodiment in the connection position, with the securing unit 11 being arranged in the locking position.
  • the locking arm 8 is in engagement with a locking receptacle 10 of the mating connector 3 .
  • the mating connector 3 has a bracket past which the latching arm 8 is guided.
  • the latching arm 8 is also in the rest position in the connection position, with the latching arm 8 having left the resting position when the latching arm 8 was moved past the bracket 37 in a step not shown by inserting the connector 3 into the receiving space of the mating connector 3.
  • the locking arm 8 rests with its end 22 on the base part 12 of the security unit, so that the locking arm 8 cannot be moved in the direction of the base side 7 .
  • the bolt 25 is arranged completely between the safety bracket 24 and the actuating section 23 .
  • FIG. 12 shows a sectional view of the connector 2 according to the first embodiment, with the fuse unit being arranged in the release position.
  • the sectional plane runs parallel to the center plane and through the latching hook 29 of the securing unit 11.
  • the securing unit 11 has two latching hooks 29 on the side of the base part 12 facing the base side 7.
  • One of the latching hooks 29 shown is arranged in a first opening 32.
  • the first opening 32 is made in the base 7 of the housing 4 .
  • the engagement of the latching hook 29 in the first opening 32 prevents the securing unit 11 from being able to move out of the release position on its own.
  • figure 10 shows a further sectional view of the connector 2 according to the first embodiment, wherein the securing unit is arranged in the locking position.
  • the sectional plane runs parallel to the center plane and through the latching hook 29 of the safety unit 11.
  • the latching hook 29 shown engages in a second opening 33.
  • the second opening 33 is also made in the base 7 of the housing 4.
  • the engagement of the latching hook 29 in the second opening 33 prevents the securing unit 11 from being able to move out of the locking position on its own.
  • the first and the second opening are arranged one behind the other in the base 7 in relation to a direction parallel to the center plane. Since the In the present embodiment, base part 12 has two latching hooks 29 , housing 4 also has two first openings 32 and two second openings 33 .

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP21192951.8A 2020-08-31 2021-08-25 Dispositif de connexion doté d'un connecteur enfichable et d'un connecteur enfichable complémentaire Active EP3961821B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020122660.8A DE102020122660A1 (de) 2020-08-31 2020-08-31 Verbindungsvorrichtung mit einem Steckverbinder und einem Gegensteckverbinder

Publications (3)

Publication Number Publication Date
EP3961821A1 true EP3961821A1 (fr) 2022-03-02
EP3961821C0 EP3961821C0 (fr) 2024-05-22
EP3961821B1 EP3961821B1 (fr) 2024-05-22

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ID=77499674

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Application Number Title Priority Date Filing Date
EP21192951.8A Active EP3961821B1 (fr) 2020-08-31 2021-08-25 Dispositif de connexion doté d'un connecteur enfichable et d'un connecteur enfichable complémentaire

Country Status (4)

Country Link
US (1) US11588274B2 (fr)
EP (1) EP3961821B1 (fr)
CN (1) CN114122838A (fr)
DE (1) DE102020122660A1 (fr)

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DE102020122660A1 (de) * 2020-08-31 2022-03-03 Md Elektronik Gmbh Verbindungsvorrichtung mit einem Steckverbinder und einem Gegensteckverbinder
CN113571940B (zh) * 2021-04-30 2023-08-11 安波福连接器系统(南通)有限公司 端子位置保持器、连接器以及连接器组件
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CN219498427U (zh) * 2022-11-02 2023-08-08 长春捷翼汽车科技股份有限公司 一种连接器组件

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EP3961821C0 (fr) 2024-05-22
CN114122838A (zh) 2022-03-01
US11588274B2 (en) 2023-02-21
EP3961821B1 (fr) 2024-05-22
DE102020122660A1 (de) 2022-03-03
US20220069517A1 (en) 2022-03-03

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