EP3718176B1 - Connecteur électrique pouvant être verrouillé et déverrouillé - Google Patents

Connecteur électrique pouvant être verrouillé et déverrouillé Download PDF

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Publication number
EP3718176B1
EP3718176B1 EP18815509.7A EP18815509A EP3718176B1 EP 3718176 B1 EP3718176 B1 EP 3718176B1 EP 18815509 A EP18815509 A EP 18815509A EP 3718176 B1 EP3718176 B1 EP 3718176B1
Authority
EP
European Patent Office
Prior art keywords
plug
latching
connector
connector housing
locking
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
EP18815509.7A
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German (de)
English (en)
Other versions
EP3718176A1 (fr
Inventor
Sergej Hämmerling
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.)
Harting Electronics GmbH and Co KG
Original Assignee
Harting Electronics GmbH and Co KG
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 Harting Electronics GmbH and Co KG filed Critical Harting Electronics GmbH and Co KG
Publication of EP3718176A1 publication Critical patent/EP3718176A1/fr
Application granted granted Critical
Publication of EP3718176B1 publication Critical patent/EP3718176B1/fr
Active legal-status Critical Current
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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
    • H01R13/62—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
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means 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
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Definitions

  • the invention is based on a connector according to the preamble of independent claim 1.
  • Such connectors can be separated from a mating connector with only little manual effort and are therefore very easy to use.
  • the operating concept usually consists of pulling a sleeve of the connector away from the mating connector for unlocking, so that both the operation of the unlocking device and the separation of the connector from the mating connector take place in a single movement direction and thus with a single hand movement.
  • the mating connector usually has an attachment housing and can, for example, be attached to a housing wall, so that this process can usually be carried out with one hand.
  • the pamphlet EP 1 841 016 B1 discloses a metal connector for use in harsh and humid industrial environments. This has a rectangular shaped connector housing, z. B. a zinc injection-molded connector housing, which is covered on the one hand by a corresponding unlocking sleeve, and on the other hand, a plug insert is fixed.
  • the connector housing is provided with an unlocking sleeve and has a locking device which causes locking with a mating connector during the plugging process. When the unlocking sleeve is pulled back, the locking hooks provided for locking are used Locking device "outwards" levered out of the locking recesses on the mating connector.
  • the pamphlet WO 2016/012006 A1 discloses a sealing mechanism for a push-pull connector.
  • it is disclosed in connection with the unlocking function to move a radial seal along the insertion area by means of a sliding element in order to ensure the sealing function independently of a correct axial alignment of the connector with respect to the mating connector.
  • a conventional push-pull lock is shown, in which the unlocking sleeve has a locking element on two opposite sides, each with two locking arms, which each snap into a latching recess of a frame of the mating connector when plugged in. To unlock, the two locking arms of each locking element are pulled away from the main portion of the connector housing together through the unlocking sleeve.
  • the pamphlet DE 10 2007 031 504 A1 has set itself the task of specifying a connector which can be detached from a mating connector associated with the connector in a simple and reliable manner and which has a long service life.
  • the connector has a connector head and a sliding sleeve that accommodates the connector head.
  • the sliding sleeve is pushed axially over the connector head in a sliding direction and can be displaced in the axial direction relative to the connector head.
  • the plug head has a hollow base body with at least one cable connection means provided at the end and two locking tongues with at least one free end, which are assigned to at least one surface side of the base body and extend in the sliding direction.
  • the locking tongues are connected via a connecting element. With axial movement of the sliding sleeve in Sliding direction lifts the unlocking from the base body to set the unlocked state.
  • the object of the invention is to provide a push-pull latch that requires as little space as possible and still ensures a sufficiently high holding force in the locked state. This task is independent of the subject matter
  • the connector is provided according to claim 1.
  • the connector housing can preferably have a square or rectangular cross-section and can preferably have four sides, in particular two broad sides and two narrow sides, of which two identical sides are in parallel opposite one another. Accordingly, the unlocking sleeve can also have a rectangular or square shape in cross section.
  • the locking and unlocking element is formed at least partially from a spring-elastic material in order to ensure its said mobility. This is of particular advantage for cost-effective production, in particular if the locking and unlocking element is fastened to the connector housing in certain areas and, in particular, is even designed in one piece with it.
  • latching hooks can be arranged, in particular formed, on the locking element.
  • the locking element can preferably have a plurality of latching arms, each latching arm having a first, namely a fixed, end and a second, namely a movable end, and each latching arm being fastened to the connector housing with its first (fixed) end and wherein the second (movable) end of the latch arm is moveable parallel to said side.
  • the latching arms can be connected to one another between their first and second ends via at least one cross brace and can therefore be moved together.
  • the locking element advantageously requires only a single entry or engagement device, which is used to interact with the unlocking sleeve when it is displaced counter to the insertion direction, in order to move the complete locking element, i.e. in particular its locking arms, together in one direction.
  • a plurality of latching arms are held on the connector housing so that they can move in opposite directions to one another.
  • This variant is particularly space-saving and therefore particularly advantageous for small designs. Irrespective of this, this variant also has the advantage that in particular the forces occurring during unlocking and/or locking are distributed symmetrically over the connector housing and/or the unlocking sleeve.
  • the locking element has exactly two latching arms. As a result, these two latching arms can advantageously latch onto a single common latching pin from opposite directions.
  • the locking element can have an even number of latching arms, which preferably latch in pairs on a plurality of latching pins or also on one common latching pin of the mating connector.
  • a latching hook for latching with the respective latching pin of the mating connector can be formed on each latching arm.
  • the latching hook can be formed on the second end of the associated latching arm, since mobility is greatest at this point.
  • Each latching hook can have a latching surface oriented counter to the insertion direction for latching on the respective latching pin of the mating connector. In the latched state, there is a common contact surface between each latching hook and the associated latching pin. The sum of all contact areas results in a total contact area that contributes to the retention force of the latch.
  • the deflection that each locking arm must experience in order to contribute to unlocking is exclusively dependent on the size of its individual contact area, which is naturally smaller than the total contact area. However, this small deflection corresponds to the deflection of the entire locking and unlocking element required for unlocking.
  • the necessary deflection, in particular deformation, of the locking and unlocking element is advantageously inversely proportional to the number of its latching hooks.
  • the resulting restoring spring force can be controlled structurally by the shape of the locking arms, e.g. by their width, and by the elasticity of the material.
  • At least one latching hook can have a slide-on bevel or slide-on rounding for sliding onto the respective latching pin of the mating connector.
  • the latching pin can also have a slide-on bevel or slide-on rounding.
  • the locking hook tapers through the Slip-on bevel or slip-on rounding towards the second end of the locking arm.
  • the latching arms are mechanically connected to one another, in particular between their respective first and second ends, for example by means of a cross brace. After all, they can be moved together in this way.
  • only one entry or engagement device is necessary for the entire locking element in order to ensure said interaction with the unlocking sleeve.
  • this interaction serves to move the locking element, in particular to deform it, in order to separate the latching surfaces of the latching hooks from the latching pin(s) of the mating connector.
  • the entry or attack device can consist of an integral molding of the locking element.
  • the molding can have an attack slope, which interacts, for example, with an unlocking pin of the unlocking sleeve.
  • the unlocking sleeve can also have a working slope and the locking element can have an unlocking pin.
  • the latching arms can be formed at their first end on a fastening base of the connector housing. This has the advantage that the plug connector can be produced simply and therefore inexpensively.
  • the locking arms and the fastening base can be designed in one piece together with the connector housing as a plastic part and can be produced, for example, in an injection molding process.
  • the connector housing can be formed together with the locking element or the locking elements as a one-piece injection molded part.
  • it consists of a plastic which on the one hand gives the connector housing the necessary strength and on the other hand allows the latching arms to have sufficiently spring-elastic properties given the appropriate geometry.
  • Such a material can consist, for example, of glass fiber reinforced PBT ("polybutylene terephthalate").
  • PBT 33 can be used as the material for the connector housing with the molded locking element, ie polybutylene terephthalate with 33% glass fibers.
  • the connector has at least two locking elements, which are arranged on two parallel opposite sides of the connector housing.
  • the connector can thus be locked to the mating connector on two opposite sides.
  • the unlocking sleeve then also has corresponding unlocking means, for example unlocking pins, on the inside of two corresponding, parallel, opposite side walls.
  • the 1 shows a connector housing 1 with an unlocking element 11 in a first exemplary embodiment.
  • a cable insertion area 17 with a thread 18 of a cable gland 19 is formed on the connector housing 1, which is described below in FIG Figure 2b is shown and labeled.
  • the connector housing 1 has a mounting base 112.
  • the connector housing 1 has a rectangular cross section and has four sides arranged at right angles and/or parallel to one another, namely two broad sides and two narrow sides, which are not provided with reference numbers for reasons of clarity.
  • the two broad sides and the two narrow sides face each other in parallel.
  • a locking element 11 is arranged on each of the two opposite broad sides. In this view, however, only one of the two locking elements 11 can be seen because the opposite Broad side is covered by the connector housing 1.
  • the connector housing 1 has three locking arms 111, which are formed with a first end to the mounting base 112 and with her point the second end in the plug-in direction. At their first end, the latching arms 111 are thus fastened to the connector housing 1 and, due to their elasticity, are held on it so that they can move parallel to the respective broad side. At a second, movable end, the latching arms have latching hooks 113.
  • the latching hooks 113 each have a latching surface 114 opposite to the insertion direction. In the insertion direction, the latching hooks 113 each have a sliding rounded portion 115.
  • latching arms 111 of the locking and unlocking device are connected to one another by a common cross brace 116 . This allows them to be moved together parallel to the corresponding side wall.
  • the connector housing 1 On its two opposite narrow sides, the connector housing 1 has guide webs 14 for guiding the unlocking sleeve 2 described below. Furthermore, the connector housing 1 has a latching lug 15 on each narrow side. This prevents the unlocking sleeve 2, once it has been snapped onto it, from being unintentionally separated from the connector housing 1.
  • An engagement device 117 is integrally formed on the locking element 11 . This is intended to work together with an unlocking pin 227 of the unlocking sleeve 2 for unlocking.
  • the Fig. 1b shows said unlocking sleeve 2.
  • This has a rectangular cross-section and thus four side walls arranged at right angles and/or parallel to one another, namely two narrow and two wide side walls, which in each case face one another in parallel. For reasons of clarity, the side walls are not provided with reference numbers.
  • On the two wide side walls has the Unlocking sleeve 2 each have an unlocking pin 217, which has an unlocking bevel for interacting with the engagement device 117 of the connector housing 1. Due to the perspective, however, only the inside of one of these two side walls and thus only one unlocking pin 217 is visible in the drawing.
  • Guide grooves 24 are formed on the two narrow side walls, and because of the perspective, only one inside of these two side walls and thus only one guide groove 24 is visible.
  • the two guide grooves 24 are suitable for interacting with the guide webs 14 of the connector housing 1 in order to hold the unlocking sleeve 2 on the connector housing 1 so that it can be displaced in the plugging direction.
  • unlocking sleeve 2 has an actuating projection 28 for manual actuation.
  • the 1c shows a housing of a mating connector, ie a mating connector housing 3.
  • This mating connector housing 3 has a peripheral housing frame 31, the shape of which corresponds to the connector housing 1.
  • the mating connector housing 3 has a fastening flange 312 with screw holes, as a result of which the mating connector housing 3 is suitable, for example, for installation in a housing wall of an electrical device.
  • the housing frame 31 has two long frame sides lying opposite one another and two short frame sides lying opposite one another, which are arranged at right angles thereto and are not provided with reference numbers for reasons of clarity.
  • the mating connector housing 3 has two latching pins 313 on each of the two long sides of the frame.
  • the Figure 2a shows a system consisting of the connector housing 1 with the movable in the direction of it held unlocking sleeve 2 and the mating connector housing 3.
  • a wide side wall of the unlocking sleeve 2 is hidden, ie only the unlocking pin 217 arranged therein can be seen in the drawing.
  • This unlocking pin 217 is in mechanical contact with the engagement device 117 of the locking and unlocking element 11 via a bevel.
  • the locking and unlocking element 11 is arranged between a broad side of the connector housing 1 and a broad side wall of the unlocking sleeve 2 and moves parallel thereto during locking and unlocking.
  • the snap-in hooks 113 have sliding curves with which they slide onto the snap-in pin 313 when the connector housing 1 is plugged into the mating connector housing 3 in order to snap in the plugged-in state.
  • the latching pins 313 can also have corresponding sliding roundings, to achieve the same effect.
  • this system has a similar mechanism.
  • this variant In the Figure 2b the embodiment of the invention is shown.
  • the locking arms 111′ of the locking and unlocking element 11′ move in opposite directions to one another during locking and unlocking, ie towards one another or away from one another.
  • this variant is particularly space-saving and therefore particularly advantageous for small designs. Irrespective of this, this variant also has the advantage that in particular the forces occurring during unlocking and/or locking are distributed particularly evenly over the connector housing 1 and the unlocking sleeve 2 .
  • the two latching arms 111' When plugged onto the mating connector housing 3, the two latching arms 111' are pushed apart both by the rounding of their latching hooks 113' and by the rounding of the common latching pin 313', in order then to latch onto it in the plugged-in state.
  • the unlocking sleeve 2 has two unlocking pins 217' on its wide side wall for interaction with a respective engagement device 117', which is arranged on each of the two latching arms 111'.
  • the unlocking sleeve 2 is pulled away from the mating connector housing 3 - ie in the opposite direction to the plugging direction. This pulls the two latching arms 111' apart from their respective engagement devices 117'. Their latching hooks 113' disengage from the common latching pin 313' of the mating connector housing 3. As a result, the connector housing 1 is unlocked from the mating connector housing 3 and can be pulled off.
  • the unlocking sleeve 2 also has a further unlocking pin 217'' which engages between two locking arms 111' and additionally pushes these two locking arms 111' apart when the unlocking sleeve 2 is pulled.
  • the two latching arms 111' are both pulled apart by the two unlocking pins 217' of the unlocking sleeve 2 and also pushed apart by the further unlocking pin 217", although one of the two variants is sufficient for the functionality and - although shown together in the drawing - understood by those skilled in the art as being disclosed separately.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (11)

  1. Connecteur enfichable, comportant
    - un boîtier de connecteur enfichable (1) pourvu de plusieurs côtés qui ont chacun une forme sensiblement bidimensionnelle,
    - un insert de fiche qui est fixé ou au moins peut être fixé dans le boîtier de connecteur enfichable (1), et
    - un manchon de déverrouillage (2) qui entoure le boîtier de connecteur enfichable (1) et qui est maintenu sur celui-ci de manière à pouvoir coulisser dans le sens opposé au sens d'enfichage, et
    - au moins un élément de verrouillage et de déverrouillage (11') qui est disposé entre un premier côté du boîtier de connecteur enfichable (1) et le manchon de déverrouillage (2), l'élément de verrouillage et de déverrouillage (11') étant maintenu sur le boîtier de connecteur enfichable (1), l'élément de verrouillage et de déverrouillage (11') étant formé au moins partiellement d'un matériau présentant l'élasticité d'un ressort afin d'assurer ainsi sa mobilité, et l'élément de verrouillage et de déverrouillage (11') comportant deux bras d'encliquetage (111'), chaque bras d'encliquetage (111') possédant une première et une deuxième extrémités et chaque bras d'encliquetage (111') étant fixé par sa première extrémité au boîtier de connecteur enfichable (1),
    caractérisé en ce que
    l'élément de verrouillage et de déverrouillage peut être déplacé au moins par zones parallèlement au premier côté, la deuxième extrémité de chaque bras d'encliquetage (111') étant mobile parallèlement audit premier côté du boîtier de connecteur enfichable (1),
    en ce que les bras d'encliquetage (111') sont maintenus sur le boîtier de connecteur enfichable (1) de manière à pouvoir se déplacer dans des sens opposés, et
    en ce que le manchon de déverrouillage (2) comporte sur une paroi latérale large deux broches de déverrouillage (217') destinées à coopérer avec un dispositif d'engagement (117') disposé sur chacun des deux bras d'encliquetage (111'), le dispositif d'engagement (117') consistant en une pièce moulée pourvue d'un biseau d'engagement qui coopère avec une broche de déverrouillage (217') du manchon de déverrouillage (2) de sorte que les deux bras d'encliquetage (111') sont écartés l'un de l'autre par leur dispositifs d'engagement respectifs (117') dès que le manchon de déverrouillage (2) est tiré dans le sens opposé au sens d'insertion.
  2. Connecteur enfichable selon la revendication 1, caractérisé en ce que le manchon de déverrouillage (2) comporte en outre une autre broche de déverrouillage (217") qui s'engage entre les deux bras d'encliquetage (111') et qui écarte en plus les deux bras d'encliquetage (111') l'un de l'autre lorsque le manchon de déverrouillage (2) est tiré.
  3. Connecteur enfichable selon l'une des revendications 1 à 2, caractérisé en ce qu'un crochet d'encliquetage (113') destiné à s'encliqueter avec une broche d'encliquetage (313') d'un boîtier de connecteur enfichable homologue (3) est moulé sur chaque bras d'encliquetage (111').
  4. Connecteur enfichable selon la revendication 3, caractérisé en ce que le crochet d'encliquetage (113') est à chaque fois moulé sur la deuxième extrémité du bras d'encliquetage associé (111').
  5. Connecteur enfichable selon l'une des revendications 3 à 4, caractérisé en ce que chaque crochet d'encliquetage (113') possède une surface d'encliquetage (114') orientée perpendiculairement au bras d'encliquetage (111') dans le sens opposé au sens d'insertion.
  6. Connecteur enfichable selon l'une des revendications 3 à 5, caractérisé en ce qu'au moins un crochet d'encliquetage (113') comporte un biseau de coulissement ou un arrondi de coulissement destiné à coulisser sur la broche d'encliquetage respective (313') du boîtier de connecteur enfichable homologue (3), ce pour quoi il s'amincit en direction de sa deuxième extrémité.
  7. Connecteur enfichable selon l'une des revendications 1 à 6, caractérisé en ce que les bras d'encliquetage (111') sont moulés à leur première extrémité sur une base de fixation du boîtier du connecteur enfichable (1).
  8. Connecteur enfichable selon l'une des revendications 1 à 7, caractérisé en ce que les bras d'encliquetage (111') et la base de fixation sont réalisés d'une seule pièce sous la forme d'une pièce en matière synthétique conjointement avec le boîtier de connecteur enfichable (1).
  9. Connecteur enfichable selon l'une des revendications précédentes, caractérisé en ce que le connecteur enfichable comporte deux éléments de verrouillage (11') qui sont disposés sur deux côtés parallèlement opposés du boîtier de connecteur enfichable (1).
  10. Connecteur enfichable selon l'une des revendications précédentes, caractérisé en ce que le boîtier de connecteur enfichable (1) est formé conjointement avec l'élément de' verrouillage (11') ou les éléments de verrouillage (11') comme une pièce monobloc mouléepar injection.
  11. Connecteur enfichable selon la revendication 10, le boîtier de connecteur enfichable (1) étant constitué au moins partiellement de PBT (« poly(téréphtalate de butylène) ») renforcé par des fibres de verre.
EP18815509.7A 2017-11-27 2018-11-14 Connecteur électrique pouvant être verrouillé et déverrouillé Active EP3718176B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017127991.1A DE102017127991B4 (de) 2017-11-27 2017-11-27 Ver- und entriegelbarer Steckverbinder
PCT/DE2018/100931 WO2019101269A1 (fr) 2017-11-27 2018-11-14 Connecteur électrique pouvant être verrouillé et déverrouillé

Publications (2)

Publication Number Publication Date
EP3718176A1 EP3718176A1 (fr) 2020-10-07
EP3718176B1 true EP3718176B1 (fr) 2022-10-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18815509.7A Active EP3718176B1 (fr) 2017-11-27 2018-11-14 Connecteur électrique pouvant être verrouillé et déverrouillé

Country Status (6)

Country Link
US (1) US10978830B2 (fr)
EP (1) EP3718176B1 (fr)
KR (1) KR102468665B1 (fr)
CN (1) CN111386634B (fr)
DE (1) DE102017127991B4 (fr)
WO (1) WO2019101269A1 (fr)

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KR20200083613A (ko) 2020-07-08
DE102017127991B4 (de) 2021-06-10
CN111386634A (zh) 2020-07-07
US10978830B2 (en) 2021-04-13
WO2019101269A1 (fr) 2019-05-31
CN111386634B (zh) 2021-11-05
DE102017127991A1 (de) 2019-05-29
KR102468665B1 (ko) 2022-11-21
EP3718176A1 (fr) 2020-10-07
US20200343670A1 (en) 2020-10-29

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