EP3382821B1 - Dispositif de protection pour connecteurs enfichables, utilisation et procédé - Google Patents

Dispositif de protection pour connecteurs enfichables, utilisation et procédé Download PDF

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Publication number
EP3382821B1
EP3382821B1 EP18000303.0A EP18000303A EP3382821B1 EP 3382821 B1 EP3382821 B1 EP 3382821B1 EP 18000303 A EP18000303 A EP 18000303A EP 3382821 B1 EP3382821 B1 EP 3382821B1
Authority
EP
European Patent Office
Prior art keywords
cable
plug
protective device
plug receptacle
connector
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
EP18000303.0A
Other languages
German (de)
English (en)
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EP3382821A1 (fr
Inventor
Bernhard Loh
Michael Quiter
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.)
Yamaichi Electronics Deutschland GmbH
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Yamaichi Electronics Deutschland GmbH
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Publication of EP3382821A1 publication Critical patent/EP3382821A1/fr
Application granted granted Critical
Publication of EP3382821B1 publication Critical patent/EP3382821B1/fr
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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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5837—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable specially adapted for accommodating various sized cables
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/582—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet

Definitions

  • the invention relates to a protective device for receiving a plug connector, a use of such a protective device for protecting a plug connector and a method for producing a protected plug connector.
  • the invention lies in the field of connector technology, in particular in the field of plug connector technology and the field of protection technology for plug connectors.
  • the interface between a cable and a connector that is to be connected to the cable represents a weak point of the connector system.
  • the electrical conductors can be impaired at the interface due to physical influences. It is therefore advantageous to protect the interface from such influences with a protective device.
  • connectors can be connected to cables with different cable thicknesses, whereby it would be advantageous to provide a protection device which is able to securely receive and hold cables with different cable thicknesses.
  • US 4,241,967 A describes an electrical connector having a sealing grommet for sealing wires extending from contacts retained in a dielectric insert of the electrical connector to protect the contacts from moisture.
  • the sealing grommet has a plurality of axial passages communicating with axial bores in the dielectric insert containing the contacts and with wires passing through the passages.
  • First sealing bars and second sealing bars extend inwardly from the wall toward the axis of the passages and provide a moisture seal for the contacts, which are included in the insert and allow the use of different diameter wires in a single sealing grommet.
  • US 2004/161968 A1 describes an electrical connector with a conductive body having a conductor receiving passage for receiving the conductor of a cable end.
  • the conductive body may also include a fastener receiving passage crossing the conductor receiving passage, with a fastener positioned in the fastener receiving passage for securing the conductor.
  • the connector may also include an insulating sleeve connected to the conductor receiving passage.
  • the insulating sleeve may include an insulating tube and at least one breakable seal that closes the insulating tube and ruptures upon initial insertion of the cable end therethrough.
  • the breakable seal may also be compliant to accommodate different sized cable ends and form a seal with adjacent portions of the cable end.
  • US 2006/286862 A1 describes a reusable insulation and sealing structure including an insulating tube and a frustoconical seal with an open distal end of increased diameter supported by an open distal end of the insulating tube and an open proximal end of reduced diameter extending into the insulating tube.
  • the reduced diameter open proximal end may be resiliently deformable to accommodate a range of sizes of cable ends therethrough.
  • US 3,810,075 A describes a connector for an electrical cable with a resilient jacket comprising a body of electrically insulating material defining a passage for receiving the cable.
  • a pair of partitions extend into the passageway from opposite sides. The partitions overlap and are spaced apart along the passage a distance less than a corresponding lateral dimension of the cable, thereby tightly compressing an adjacent portion of the cable between the overlapping partitions.
  • the body consists of two sections joined together, and the cable is compressed in a direction generally perpendicular to the Connection direction is.
  • a strain relief housing for electrical components, in particular connectors, with a strain relief device arranged inside the housing for fixing an electrical line in the housing, the housing made of plastic consisting of a lower housing part, in which the electrical line is accommodated, and one with the lower housing part connectable upper housing part, and wherein the strain relief device has a locking bracket that spans the electrical line, which is elastically articulated to the upper housing part and cooperates with a locking receptacle arranged in the lower housing part.
  • GB 2 268 639 A describes an electrical component such as a plug or socket with a housing formed by opposing shells in which a rail for a cable is located.
  • the cable is retained within the housing by being clamped between a pair of opposing grippers each engaging one of an array of flange seats on the respective housing portions.
  • the seats vary in radial depth of the cable tray, and the grippers can be engaged with selected seats on the respective assemblies to grasp and hold different cable diameters between opposing pairs of pointed elements.
  • One aspect relates to a protective device for receiving a plug connector, comprising a plug receptacle which is designed to at least partially accommodate the plug connector and an end portion of a cable of the plug connector, the plug receptacle extending along a centerline from a plug opening for at least partially receiving the plug connector to a cable opening for at least partially receiving the end portion of the cable of the connector through the protective device.
  • the connector receptacle includes a plurality of cable retaining hooks projecting inwardly into the connector receptacle, each of the cable retaining hooks being spaced from the centerline, and each cable retaining hook being adapted to engage the end portion of the cable.
  • the centerline distances of two or more cable retaining hooks decrease along the centerline from the connector opening toward the cable opening.
  • the plug receptacle is designed as a continuous opening through the protective device, which has the cable opening at one end of the protective device and the plug opening at the other end of the protective device.
  • the plug opening is designed to accommodate the plug connector and the plug opening can also hold the plug connector in the plug receptacle and/or engage with the plug connector.
  • a state of the protective device in which the plug connector and the end section of the cable are accommodated in the protective device represents an operating state of the protective device.
  • the plug connector can in particular protrude at least partially from the protective device through the plug opening.
  • the plug opening can in particular have a sealant in order to seal the protective device and the plug connector to the outside from, for example, liquid and/or dust in the operating state.
  • the end section of the cable is connected to the plug connector and extends in the operating state from the plug connector through the plug receptacle to the cable opening.
  • the end section of the cable extends in particular through the cable opening.
  • the cable opening can in particular have a sealant in order to ensure that it is in the operating state To seal the protective device and the end section of the cable from the outside, for example from liquid and/or dust.
  • the connector can be designed as a male connector or female connector.
  • the connector can be designed as an RJ connector and in particular as an RJ-45 connector.
  • the connector may be a connector of any other connection type, e.g. USB, or any other connection type, e.g. data transmission and/or power.
  • the center line of the plug receptacle extends from the cable opening through the plug receptacle to the plug opening, and can in particular represent an axis of the plug receptacle.
  • the center line in an operating state, can run at least partially substantially parallel to an axis of the end section of the cable.
  • essentially parallel means comprehensively small deviations that can occur, for example, due to manufacturing.
  • the axis of the end section of the cable can correspond at least partially to the center line in the operating state.
  • the centerline may extend from a geometric center of the cable opening to a geometric center of the connector opening.
  • the large number of cable retaining hooks protrude inwards in the plug receptacle.
  • the cable holding hooks are designed to engage with a cable jacket of the end section of the cable in the operating state.
  • the cable holding hooks can engage with the cable sheath, for example, by friction with the cable sheath and/or by getting caught in the cable sheath and/or by cutting or pressing into the cable sheath.
  • the cable holding hooks can be designed as protruding blocks, wedges or hooks or barbs. This ensures that the cable sits securely in the protective device.
  • Each cable retaining hook is spaced from the centerline.
  • the distance to the center line results from the minimum of the distances of the set of Distances from all points on a surface of the respective cable holding hook to all points on the center line in the connector receptacle.
  • the distance to the center line of all cable retaining hooks, which are formed in the plug receptacle, decreases from the cable opening in the direction of the plug opening. This means that each cable retaining hook has a distance from the center line which is less than or equal to or smaller than all the distances of the cable retaining hooks between the respective cable retaining hook and the cable opening.
  • the plug receptacle can be designed so that an end section of cables with different thicknesses can be accommodated in the plug receptacle, with at least one, preferably two or more cable holding hooks coming into engagement with the end section of the cable and holding/holding the end section.
  • the plug receptacle is preferably designed in such a way that cables with a large number of different cable diameters or cable cross sections can be connected or received in the plug receptacle, with at least one, preferably two or more cable retaining hooks coming into engagement with the end section of the cable and holds/holds the end section.
  • the end sections of cables with different thicknesses can each be freed from the respective cable sheaths so that at least one, preferably at least two, of the cable retaining hooks come into engagement with the remaining cable sheath of the end section.
  • a clamping direction along which the end section of the cable is inserted into the plug receptacle during the establishment of the operating state can have an acute angle with a holding edge or holding surface of the cable holding hooks, which come into engagement with the end section in the operating state. This simplifies the establishment of the operating state by reducing the amount of force required for this.
  • each cable retaining hook has a distance from the center line which is smaller than all the distances of the cable retaining hooks between the respective cable retaining hook and the cable opening. This will ensures that no two cable retaining hooks are equally spaced from the centerline, ensuring a wide range of possible end section cable thicknesses.
  • two or more cable retaining hooks can be at the same distance from the center line, thereby ensuring a particularly secure fit for certain cable thicknesses of the end section.
  • the plurality of cable holding hooks is designed to block movement of the received end section of the cable relative to the plug receptacle.
  • the cable retaining hooks form a strain relief in order to block or reduce or prevent movement of the end section along the center line or essentially parallel or along the axis of the end section in the operating state.
  • the cable retaining hooks can block or reduce or prevent movement of the end section transversely to the center line or transversely to the axis of the end section in the operating state.
  • the cable retaining hooks can form a rotation lock to block or reduce or prevent rotational movement of the end section about the center line or about the axis of the end section in the operating state. The plug connector and/or the end section of the cable can thus be protected from damage caused by unwanted movements of the end section.
  • the cable retaining hooks are formed on two opposite sides with respect to the center line in the plug receptacle. By engaging the plurality of cable retaining hooks from two opposite sides with the end section of the cable, a secure fit of the end section can be ensured.
  • the cable retaining hooks are arranged on two opposite sides of the plug receptacle such that a line between any cable retaining hook on one side of the plug receptacle to any cable retaining hook on the opposite side of the plug receptacle forms the center line or the axis of the end section in an operating state cuts.
  • the cable retaining hooks can be placed on just one Side of the plug receptacle can be formed, which simplifies clamping of the end section in the plug receptacle and a manufacturing process of the protective device.
  • the cable retaining hooks can also be formed on three or more opposite sides with respect to the center line in the plug receptacle. This allows a secure and/or centered fit of the end section of the cable in the plug receptacle.
  • the cable retaining hooks are designed to at least partially revolve around the center line or the axis of the end section in the operating state. This allows the end section to be fixed and/or centered evenly from all sides of the plug receptacle by the cable retaining hooks.
  • the at least partially circumferential cable retaining hooks can define a surface or be designed spirally along the plug receptacle.
  • each cable retaining hook can protrude with a constant length from an inner surface of the plug receptacle into the plug receptacle.
  • the cable retaining hooks can also be designed to adapt to cables with different cable cross sections.
  • the cable holding hooks can therefore have straight holding edges or holding surfaces, which can, for example, engage with cables with circular or rectangular cable cross sections.
  • the cable holding hooks can have curved holding edges or holding surfaces, which can, for example, engage with cables with circular or oval cable cross sections.
  • each of the plurality of cable holding hooks has a plumb base point along the centerline, and wherein at least two of the plumb base points of the plurality of cable retaining hooks are different from one another or at least two of the plumb base points of the plurality of cable retaining hooks are the same.
  • the distance between a cable holding hook and the center line separates a point of the respective cable holding hook from a respective base point of the center line, which in this sense forms the plumb base point of the respective cable holding hook.
  • the end portion of the cable can conform to the cable retaining hook, thereby preventing damage to the Cable can be reduced or prevented by cable retaining hooks that are too deep.
  • at least two or more solder base points are identical, a particularly secure fit of the end section in the plug receptacle can be ensured.
  • the end section of the cable is clamped in the plug receptacle by the cable retaining hooks.
  • the end section of the cable can be released from the plug receptacle after the operating state of the protective device has been established, without the end section and/or the cable being damaged or destroyed. This means that the protective device can be replaced at your discretion.
  • the plug receptacle comprises two housing shells, which can be locked together by a latching device.
  • the two housing shells can be designed to be essentially the same size. Essentially, comprehensive in this sense means minor deviations that can occur, for example, due to manufacturing. A uniform design of the two housing shells reduces the costs and complexity of producing the housing shells.
  • the housing shells can also be designed differently.
  • a housing shell can have one or more locking lugs, which engage with complementary locking lug receptacles on the other housing shell in the operating state.
  • the two housing shells can also be connected by other connecting devices, which connect the two housing shells, for example by friction, pressing, gluing, screwing and/or fusing.
  • the two housing shells are detachably connected to one another, so that one housing shell can be detached from the other housing shell without damaging or destroying one or both housing shells.
  • the protective device further comprises a sealing device which is arranged between the two housing shells and wherein the sealing device is designed to at least partially seal the two connected housing shells from the outside against, for example, liquid and/or dust.
  • the two housing shells are connected by a joint device.
  • the joint device is designed to fold one housing shell onto the other housing shell, the joint device being designed, for example, as a hinge or swivel joint. This provides protection against loss of the housing shells and simplifies the connection process of the two housing shells.
  • the protective device at least partially shields the plug connector and the end section of the cable from electromagnetic fields.
  • the protective device can be designed as a Faraday cage, which at least partially surrounds the plug connector and the end section of the cable in the operating state.
  • a shielding region of the protective device adjoins or overlaps with a shielding of the plug connector and the end section of the cable. In this way, continuous shielding of the connector and the end section of the cable can be guaranteed by the protective device.
  • the protective device further comprises a fixing device which is connected to the plug connector.
  • the fixing device comprises at least one positioning element which engages with the plug receptacle in order to block movement of the plug connector within the plug receptacle.
  • the fixing device can be designed as a fixed part of the plug connector or as detachably connectable to the plug connector.
  • the fixing device can have one or more latching elements which engage with the plug connector in order to fasten the fixing device to the plug connector.
  • the at least one positioning element can be designed as a projection of the fixing device, which engages in a complementary receptacle of the plug receptacle in the operating state and thus prevents or prevents movement of the plug connector within the plug receptacle, in particular in a direction along the center line or the axis of the end section. blocked.
  • the fixing device further has Fixing latching hooks, which are designed to latch with the plug receptacle in order to fix the protective device on the plug connector.
  • the fixing device can have at least one, preferably at least two fixing latching hooks. If the protective device is designed as two or more housing shells, the fixing latching hooks can in particular be designed to fix each of the two or more housing shells to the connector without the two or more housing shells having to be connected to one another. This makes it possible to mount individual housing shells on the protective device without having to assemble all the housing shells at the same time.
  • the fixing device and/or the latching elements and/or the fixing latching hooks can be formed from an electrically conductive material, for example from a metal and/or a conductive plastic and/or a conductive composite material.
  • the fixing device and/or the latching elements and/or the fixing latching hooks can be in electrical contact with a cable shield and/or a connector shield and/or the two housing shells.
  • the cable shielding is an electromagnetic shielding that can be provided on cables.
  • the connector shielding is an electromagnetic shielding that can be provided on connectors in order to electromagnetically shield the connector.
  • the fixing device and/or the fixing latching hooks can be designed as shielding element(s) in order to shield the plug receptacle or the plug connector, in particular the plug receptacle or the plug connector in a connection area between the end section of the cable and the plug connector, from electromagnetic fields to the outside .
  • the protective device has at least one projection which protrudes outwards from the protective device in order to protect a latching hook of the plug connector.
  • the locking hook of the connector can be designed to fix the connector in a complementary connector receptacle to establish a data connection.
  • the locking hook can be protected from damage or accidental breakage by the at least one projection of the protective device.
  • the protective device can in particular have three projections wherein one of the three projections forms a substantially right angle with each of the further two projections, thereby protecting the locking hook separately along three directions.
  • the plug receptacle or the one or more housing shells of the plug receptacle are made of a metal and/or a conductive plastic and/or a composite material.
  • a material of the plug receptacle or the one or more housing shells of the plug receptacle is electrically conductive.
  • the plug receptacle or the one or more housing shells of the plug receptacle can also be manufactured using a common manufacturing process, for example by a die-casting process.
  • the plug receptacle or the one or more housing shells of the plug receptacle is designed as a die-cast metal.
  • the plug receptacle or the one or more housing shells of the plug receptacle is designed as a zinc die-cast.
  • One aspect relates to a use of a protective device according to one of the embodiments described above for protecting a plug connector.
  • the protective device can have any combination of the above-mentioned features.
  • One aspect relates to a method for producing a protected connector, comprising connecting an end portion of a cable to a connector, receiving the connector in a connector receptacle of a protection device, and clamping the end portion of the cable in the connector receptacle, the connector receptacle having a plurality of cable retaining hooks , which protrude inwards into the plug receptacle, and wherein a cable jacket of the end section of the cable is clamped by the plurality of cable holding hooks, with at least two of the cable holding hooks engaging with the cable jacket of the end section, in particular for a plurality of different cable diameters.
  • the protective device of the method can be any combination have all of the above features.
  • connecting the end section of the cable to the connector includes adjusting or shortening or cutting to size the cable jacket of the end section of the cable, wherein the cable jacket is removed from the end section of the cable in such a way that at least two of the cable retaining hooks are connected to the cable jacket of the End section engage.
  • the adjustment of the cable sheath can also be carried out in such a way that a maximum of four, preferably a maximum of three, more preferably a maximum of two of the cable retaining hooks come into engagement with the cable sheath of the end section. This makes it easier to clamp the end section of the cable in the plug receptacle and enables a secure fit.
  • clamping the end section of the cable in the plug receptacle includes connecting two housing shells, which can be connected to one another using a latching device.
  • the two housing shells can be designed to be essentially the same size. Essentially, comprehensive in this sense means minor deviations that can occur, for example, due to manufacturing. A uniform design of the two housing shells reduces the costs and complexity of producing the housing shells.
  • the housing shells can also be designed differently. In particular, a housing shell can have one or more locking lugs, which engage with complementary locking lug receptacles on the other housing shell in the operating state.
  • the two housing shells can also be connected by other connecting devices, which connect the two housing shells, for example by friction, pressing, gluing, screwing and/or fusing.
  • the two housing shells are detachably connected to one another, so that one housing shell can be detached from the other housing shell without damaging or destroying one or both housing shells.
  • the protective device further comprises a sealing device which is arranged between the two housing shells and wherein the sealing device is designed to cover the two connected housing shells at least partially to seal against the outside against, for example, liquid and / or dust.
  • connecting the end portion of the cable to the connector includes connecting the connector to a fixing device designed to block movement of the connector within the connector receptacle.
  • the fixing device can preferably be connected to the plug connector before the end section of the cable is connected to the plug connector.
  • the fixing device comprises at least one positioning element which engages with the plug receptacle.
  • the fixing device can be designed to be detachably connectable to the plug connector.
  • the fixing device can have one or more latching elements which engage with the plug connector in order to fasten the fixing device to the plug connector.
  • the at least one positioning element can be designed as a projection of the fixing device, which engages in a complementary receptacle of the plug receptacle in the operating state and thus prevents or prevents movement of the plug connector within the plug receptacle, in particular in a direction along the center line or the axis of the end section. blocked.
  • the plug receptacle or the one or more housing shells of the plug receptacle are made of a metal and/or a conductive plastic and/or a composite material.
  • a material of the plug receptacle or the one or more housing shells of the plug receptacle is electrically conductive.
  • the plug receptacle or the one or more housing shells of the plug receptacle can also be manufactured using a common manufacturing process, for example by a die-casting process.
  • the plug receptacle or the one or more housing shells of the plug receptacle is designed as a die-cast metal.
  • the plug receptacle or the one or more housing shells of the plug receptacle is designed as a zinc die-cast.
  • Figure 1A shows a first housing shell 1A of a protective device 1.
  • the protective device 1 is formed by two housing shells 1A and 1B .
  • the first housing shell 1A has a plug receptacle 2 , which passes through the first housing shell 1A from a plug opening 3 to a cable opening 4 .
  • the plug opening 3 is designed in particular to have an RJ plug connector 10 (see Figure 2 and following) to be at least partially surrounded in an operating state.
  • the operating state is defined in the same way as before in the description.
  • the plug receptacle 2 is in particular cuboid-shaped in an area which adjoins the plug opening 3 in order to at least partially accommodate an RJ plug connector 10 .
  • the first area is not limited to such a shape and can therefore be designed to be adapted in particular to the RJ connector 10 to be accommodated.
  • the cable opening 4 lies at an end of the first housing shell 1A opposite the plug opening 3 and is designed in particular to accommodate an end section of a cable 11 to be received (see Figure 2 and following).
  • the plug receptacle 2 is in particular cuboid-shaped in a second area which adjoins the cable opening 4 in order to hold the end section of the Cable 11 to be at least partially accommodated.
  • the second region is not limited to such a shape and can therefore be designed to be adapted in particular to the end section of the cable 11 to be received.
  • Figure 1A also shows an example of a course of a center line M through the first housing shell 1A.
  • the center line M is in particular designed as a straight line which connects a center point of the plug opening 3 with a center point of the cable opening 4 .
  • Figures 1A and 1B each show an exemplary housing shell 1A and 1B , and thus the center of the plug opening 3 and the center of the cable opening 4 are defined with respect to the operating state.
  • the center line M is not limited to a straight line, but can in particular have one or more curvatures or one or more kinks.
  • the center line M can extend through the plug receptacle 2 from any point in the plug opening 3 to any point in the cable opening 4 .
  • the embodiment shown as an example also has a plurality of cable retaining hooks 6 , which protrude inwards in the plug receptacle 2 , and the cable retaining hooks 6 are designed to engage with a cable sheath 13 of the end section of the cable 11 .
  • the cable holding hooks 6 are shown, only three of these cable holding hooks 6 being provided with the corresponding reference number in order to maintain clarity of the figure.
  • the cable holding hooks 6 are in particular wedge-shaped and protrude into the plug receptacle 2 from a first side 5A and a second, opposite side 5B (see Figure 1B ) before.
  • the cable holding hooks 6 can be distributed evenly or arbitrarily on both sides 5A and 5B .
  • the cable holding hooks 6 can in particular be designed to block or prevent movement of the end section of the cable 11 along an axis of the cable.
  • one or more cable holding hooks 6 can be designed to block or prevent movement in two opposite directions.
  • Cable holding hooks 6 on opposite sides 5A and 5B of the plug receptacle 2 can be arranged offset from one another, in particular along the center line M. The end section of the cable 11 in in the operating state over the cable retaining hooks 6 , thereby avoiding unwanted damage to the end section of the cable 11 .
  • the cable holding hooks 6 are designed in particular to protrude into the plug receptacle 2 to different extents.
  • a distance of each cable holding hook 6 can be defined as the shortest distance from the set of all distances between any point on the surface of the respective cable holding hook 6 and any point on the center line M. Cable holding hooks 6 with a shorter distance therefore protrude further into the plug receptacle 2 than cable holding hooks 6 with a longer distance.
  • this is achieved by the cable holding hooks 6 being at different distances from the respective sides 5A and 5B .
  • the sides 5A and 5B can also be arranged at an angle.
  • the cable retaining hooks 6 are additionally arranged in the plug receptacle 2 in such a way that any cable retaining hook 6 has a distance which is shorter than the respective distances of all the cable retaining hooks 6 which are arranged between the arbitrary cable retaining hook 6 and the cable opening 4 in the plug receptacle 2 .
  • the cable holding hooks 6 thus form an inner plug receptacle that at least partially tapers in the direction of the plug opening 3 along the center line M , whereby end sections of cables 11 with different diameters can be received and held securely.
  • Locking lugs 7A of a locking device 7 (see Figure 4 ) of the two housing shells 1A and 1B are formed along an outer surface of the first housing shell 1A .
  • the locking lugs 7A of the locking device 7 are designed with complementary locking hooks 7B (see Figure 1B and following) of the latching device 7 to engage on the second housing shell 1B in the operating state and thus to fix the two housing shells 1A and 1B to one another.
  • four locking lugs 7A are formed, but any number of locking lugs 7A can be arranged on the housing shells 1A and 1B .
  • locking lugs 7A and complementary locking hooks 7B on the housing shells 1A and 1B can be interchanged, so that the first housing shell 1A has any number of locking lugs 7A and Has latching hooks 7B , which are designed to engage with respective complementary latching hooks 7B and latching lugs 7A of the second housing shell 1B in the operating state.
  • latching device 7 instead of the latching device 7 shown, other connecting devices can be designed, which connect the housing shells 1A and 1B , for example by gluing, welding, pressing, etc.
  • a combination of different connecting devices can also be implemented on the housing shells 1A and 1B , for example a pressing device and a fusing device.
  • Figure 1B shows a second housing shell 1B , which is designed to be connected to the first housing shell 1A to form the plug receptacle 2 .
  • the second housing shell 1A also forms the plug opening 3 and the cable opening 4 in the operating state.
  • the second housing shell 1B in particular also has six cable holding hooks 6 , which are formed on the first side 5A and second side 5B of the plug receptacle 2 .
  • the cable holding hooks 6, which are arranged on the first side 5A in the first housing shell 1A can in the operating state in particular directly adjoin cable holding hooks 6, which are arranged on the first side 5A in the second housing shell 1B , or along a direction with respect to this be offset parallel to the center line M.
  • the cable holding hooks 6, which are arranged on the second side 5B in the first housing shell 1A can in the operating state in particular directly adjoin cable holding hooks 6, which are arranged on the second side 5B in the second housing shell 1B , or along a direction with respect to this be offset parallel to the center line M.
  • the second housing shell 1B further comprises locking hooks 7B, which engage with the locking lugs 7A of the first housing shell 1A in the operating state.
  • the second housing shell 1B also has a recess 9 , which is designed to have a locking hook 18 in the operating state (see Figure 2 and following) of the RJ connector 10 .
  • a latching hook 18 can be protected in particular from damage, without the necessary freedom of movement for using the latching hook 18 to reduce.
  • the latching hook 18 is further protected by projections 8 , which protrude on an outside of the second housing shell 1B or the protective device 1 .
  • several projections 8 can be formed in order to protect the locking hook 18 along several directions.
  • the first housing shell 1A and the second housing shell 1B also each have at least one support surface, which are designed to come into contact with one another in the operating state.
  • the first housing shell 1A can in particular have at least one shell wall, which at least partially surrounds the at least one support surface of the first housing shell 1A .
  • the second housing shell 1B can in particular have at least one wall receptacle, which at least partially surrounds the at least one support surface of the second housing shell 1B .
  • the at least one shell wall and the at least one wall receptacle are designed to engage with one another in the operating state and thus to block or prevent movement of the first housing shell 1A relative to the second housing shell 1B .
  • each of the two housing shells 1A and 1B can have any combination of shell walls and wall receptacles.
  • FIG. 2 shows an RJ connector 10 with a fixing device 14 and an end section of a cable 11.
  • the RJ connector 10 is designed as a male RJ-45 connector 10 , wherein the RJ connector 10 is not limited to RJ-45 connector 10 , but can be designed as any connector, e.g. USB or circular connector.
  • the RJ connector 10 can also be designed as a male or female connector.
  • the RJ connector 10 has a latching hook 18 , which is formed on one side of the RJ connector 10 and is designed to attach the RJ connector 10 to a complementary RJ connector or socket.
  • the RJ connector 10 is connected to data conductors in a cable core 12 of an end portion of the cable 11 .
  • the cable core 12 is surrounded by a cable jacket 13 or an insulating cable jacket 13 .
  • the fixing device 14 is formed at a connection point between the RJ connector 10 and the end section of the cable 11 .
  • Fixing device 14 here includes latching elements 16, which are designed to engage with complementary latching elements of the RJ connector 10 in order to fasten the fixing device 14 to the RJ connector 10 .
  • the latching elements 16 of the fixing device 14 can be formed on at least two opposite sides of the RJ connector 10 .
  • the fixing device 14 can alternatively or additionally be connected to the cable core 12 or the end section of the cable 11 .
  • the fixing device 14 further comprises at least one, in particular four, positioning elements 15.
  • the positioning elements 15 can be formed on at least two opposite sides of the fixing device 14 .
  • the positioning elements 15 are designed to engage with the plug receptacle 2 or the housing shells 1A and/or 1B and thus block or prevent movement of the RJ connector 10 along the center line M in the operating state.
  • the positioning elements 15 can further be designed to engage with the plug receptacle 2 or the housing shells 1A and/or 1B and thus block or prevent movement of the RJ connector 10 transversely to the center line M in the operating state.
  • the fixing device 14 further comprises at least one, in particular four, fixing latching hooks 17.
  • the fixing latching hooks 17 are designed to engage with the plug receptacle 2 or the housing shells 1A and / or 1B , and thus the RJ plug connector 10 on the plug receptacle 2 or .to hold the housing shells 1A and/or 1B .
  • the four fixing latching hooks 17 are designed to connect the RJ connector 10 to the first housing shell 1A and/or second housing shell 1B without both housing shells 1A and 1B being arranged in the operating state.
  • the fixing device 14 and/or the latching elements 16 and/or the positioning elements 15 and/or the fixing latching hooks 17 can in particular be designed as shielding elements in order to hold the plug receptacle 2 or the plug connector 10, in particular the plug receptacle 2 or the plug connector 10 in one Connection area between the end section of the cable 11 and the connector 10, to the outside of electromagnetic to shield fields.
  • FIG 3 shows the RJ connector 10 according to Figure 2 with a mounted first housing shell 1A.
  • the RJ connector 10 is accommodated in the plug receptacle 2 and the plug opening 3 .
  • the end section of the cable 11 is accommodated in the plug receptacle 2 and extends through the cable opening 4.
  • two fixing latching hooks 17 of the fixing device 14 engage with the first housing shell 1A and hold it on the RJ plug connector 10.
  • Three of the cable retaining hooks 6 are formed on the second side 5B of the plug receptacle 2 .
  • the cable jacket 13 of the end section of the cable 11 is in particular adapted or shortened in such a way that two of the cable holding hooks 6 come into engagement with the cable jacket 13 .
  • the third cable holding hook 6 on the second side 5B of the plug receptacle 2 is not in engagement with the cable jacket 13 or the cable core 12 .
  • the two cable holding hooks 6, which have come into engagement with the cable jacket 13 form a strain relief for the end section of the cable 11, and prevent or block movement of the end section of the cable 11 along an axis of the end section of the cable 11 or along the center line M .
  • Figure 4 shows the RJ connector 10 according to Figure 3 with a mounted second housing shell 1B.
  • the first housing shell 1A and the second housing shell 1B are arranged in the operating state, with the locking lugs 7A and locking hooks 7B having come into engagement with one another.
  • the protective device 1 here at least partially surrounds the RJ connector 10 and the end section of the cable 11 .
  • the protective device 1 can therefore in particular shield the RJ connector 10 and the end section of the cable 11 from electromagnetic fields.
  • the locking hook 18 of the RJ connector 10 is arranged in the recess 9 and is protected by this from the locking hook 18 accidentally breaking off.
  • the locking hook 18 is further protected by three projections 8 .
  • Projections 8 can also be used to position the protective device 1 in one connected state of the RJ connector 10 can be used, wherein the connected state of the RJ connector 10 represents a state in which the RJ connector 10 is connected to a complementary RJ connector or a complementary socket.
  • Figure 5 shows a cross-sectional view of the first housing shell 1A.
  • the course of the center line M through the plug receptacle 2 is shown, with the center line M extending through a center point of the plug opening 3 and the cable opening 4 .
  • the three cable holding hooks 6 2 , 6 4 and 6 6 are formed, which protrude into the plug receptacle 2 .
  • the cable retaining hooks 6 1 , 6 3 and 6 5 are formed on the second side 5B and also protrude into the plug receptacle 2 .
  • the cable holding hooks 6 1 to 6 6 are wedge-shaped.
  • the cable holding hooks 6 1 to 6 5 are designed in a wedge-like manner in order to prevent or block movement of the end section of the cable 11 along the center line M in the direction of the cable opening 4 .
  • the cable holding hook 6 6 is designed in a wedge-like manner in order to prevent or block movement of the end section of the cable 11 along the center line M in the direction of the plug opening 3 .
  • the cable holding hooks 6 can therefore be designed to block or prevent movement of the end section of the cable 11 in two directions, in particular in two opposite directions.
  • the cable holding hook 6e can form a stop surface for the cable jacket 13 .
  • Each cable holding hook 6 1 to 6 6 has a distance A 1 to A 6 from the center line M.
  • the respective distance A 1 to A 6 results from the shortest distance between the respective cable holding hooks 6 1 to 6 6 to the center line M.
  • cable holding hooks 6 1 to 6s have the same distance A 1 to A 3 and cable holding hooks 6 4 to 6 6 have the same distance A 4 to A 6 .
  • end cuts of a cable 11 with different diameters can be securely held, with either the cable holding hooks 6 1 to 6 3 or 6 4 to 6e engaging with the end section of the cable 11 .
  • each distance A 1 to A 6 from the respective cable holding hook 6 1 to 6 6 forms a foot plumb point on the center line M, whereby the Foot plumb points of the cable holding hooks 6 1 to 6 6 in the embodiment shown are different from one another. However, two or more of these may have the same foot plumb point.
  • Figure 6 shows a view along the center line M of an exemplary protective device 1.
  • the first housing shell 1A and the second housing shell 1B are fixed to one another.
  • Cable holding hooks 6 can be seen in the plug receptacle 2 through the cable opening 4 .
  • the cable holding hooks 6 1 and 6 5 can be seen, since they have a different distance A 1 and A 5 from the center line M.
  • the cable holding hooks 6 1 and 6 5 have an oblique holding edge or holding surface, which form an acute angle with an insertion direction E of the cable.
  • the insertion direction E is defined here as the direction along which the cable is inserted into the plug receptacle 2 and clamped.
  • the cable holding hooks 6 By designing the cable holding hooks 6 in this way, the effort required to clamp the end section of the cable 11 in the plug receptacle 2 can be reduced. In addition, the end section of the cable 11 can be centered in the plug receptacle 2 during clamping.
  • the invention is not limited to one or more of the embodiments mentioned and shown above. Rather, the person skilled in the art can implement a protective device or a use of such a protective device or a method for producing a protected RJ connector which has any combination of the features mentioned and shown above and in the figures.

Landscapes

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

Claims (15)

  1. Dispositif de protection (1) destiné à recevoir un connecteur enfichable (10), comprenant :
    un logement de connecteur (2) qui est conçu pour recevoir au moins en partie le connecteur enfichable (10) et une partie d'extrémité d'un câble (11) du connecteur enfichable (10), le logement de connecteur (2) s'étendant à travers le dispositif de protection (1) le long d'une ligne médiane (M), depuis une ouverture pour connecteur (3) destinée à recevoir au moins en partie le connecteur enfichable (10) jusqu'à une ouverture pour câble (4) destinée à recevoir au moins en partie la partie d'extrémité du câble (11) du connecteur enfichable (10) ; et
    dans lequel le logement de connecteur (2) présente une pluralité de crochets de maintien de câble (6) qui dépassent vers l'intérieur dans le logement de connecteur (2), chacun des crochets de maintien de câble (6) étant respectivement à une certaine distance de la ligne médiane (M),
    dans lequel les distances par rapport à la ligne médiane (M) de deux crochets de maintien de câble (6) ou plus diminuent le long de la ligne médiane (M), depuis l'ouverture pour câble (4) en direction de l'ouverture pour connecteur (3),
    dans lequel la pluralité de crochets de maintien de câble (6) sont conçus pour bloquer un mouvement de la partie d'extrémité reçue du câble (11) par rapport au logement de connecteur (2), la pluralité de crochets de maintien de câble (6) étant conçus pour former une décharge de traction afin de bloquer, dans un état de fonctionnement, un mouvement de la partie d'extrémité du câble (11) le long de la ligne médiane (M).
  2. Dispositif de protection (1) selon l'une des revendications précédentes, dans lequel le logement de connecteur (2) est réalisé de telle manière qu'une partie d'extrémité de câbles (11) d'épaisseur différente peut être reçue dans le logement de connecteur (2), au moins un crochet de maintien de câble (6) venant en prise avec la partie d'extrémité du câble (11).
  3. Dispositif de protection (1) selon l'une des revendications précédentes, dans lequel les crochets de maintien de câble (6) sont réalisés dans le logement de connecteur (2) sur deux côtés opposés (5A, 5B) par rapport à la ligne médiane (M).
  4. Dispositif de protection (1) selon l'une des revendications précédentes, dans lequel chacun de la pluralité de crochets de maintien de câble (6) présente un pied de perpendiculaire le long de la ligne médiane (M), et
    dans lequel au moins deux des pieds de perpendiculaire de la pluralité de crochets de maintien de câble (6) sont différents ou au moins deux des pieds de perpendiculaire de la pluralité de crochets de maintien de câble (6) sont identiques.
  5. Dispositif de protection (1) selon l'une des revendications précédentes, dans lequel la partie d'extrémité du câble (11) peut être serrée dans le logement de connecteur (2) par les crochets de maintien de câble (6).
  6. Dispositif de protection (1) selon l'une des revendications précédentes, dans lequel le logement de connecteur (2) est réalisé sous la forme de deux coques de boîtier (1A, 1B) qui peuvent être encliquetées l'une avec l'autre par un moyen d'encliquetage (7).
  7. Dispositif de protection (1) selon l'une des revendications précédentes, le dispositif de protection (1) protégeant au moins en partie par rapport à l'extérieur le connecteur enfichable (10) et la partie d'extrémité du câble (11) des champs électromagnétiques.
  8. Dispositif de protection (1) selon l'une des revendications précédentes, le dispositif de protection (1) comprenant en outre un moyen de fixation (14) qui peut être relié au connecteur enfichable (10), et le moyen de fixation (14) comprenant au moins un élément de positionnement (15) qui est conçu pour venir en prise avec le logement de connecteur (2) afin de bloquer un mouvement du connecteur enfichable (10) à l'intérieur du logement de connecteur (2).
  9. Dispositif de protection (1) selon la revendication 7, dans lequel le moyen de fixation (14) présente en outre des crochets d'encliquetage de fixation (17) qui sont conçus pour s'encliqueter avec le logement de connecteur (2) afin de fixer le dispositif de protection (1) au connecteur enfichable (10).
  10. Dispositif de protection (1) selon l'une des revendications précédentes, le dispositif de protection (1) présentant au moins une saillie (8) qui dépasse du dispositif de protection (1) vers l'extérieur pour protéger un crochet d'encliquetage (18) du connecteur enfichable (10).
  11. Dispositif de protection (1) selon l'une des revendications précédentes, dans lequel un axe de câble d'une partie d'extrémité du câble (11) reçue dans le dispositif de protection (1) s'étend sensiblement parallèlement à la ligne médiane (M) et, de manière facultative, dans lequel l'axe de câble correspond à la ligne médiane (M).
  12. Dispositif de protection (1) selon l'une des revendications précédentes, dans lequel le logement de connecteur (2) est réalisé en métal et/ou en matière plastique conductrice et/ou en matériau composite ; ou
    dans lequel le logement de connecteur (2) est réalisé sous la forme d'une pièce métallique coulée sous pression, de préférence une pièce en zinc coulée sous pression.
  13. Dispositif de protection (1) selon l'une des revendications précédentes, dans lequel le logement de connecteur (2) présente au moins trois crochets de maintien de câble (6), dans lequel les distances par rapport à la ligne médiane (M) des au moins trois crochets de maintien de câble (6) diminuent le long de la ligne médiane (M), depuis l'ouverture pour câble (4) en direction de l'ouverture pour connecteur (3).
  14. Utilisation d'un dispositif de protection (1) selon l'une des revendications 1 à 13 pour la protection d'un connecteur enfichable (10).
  15. Procédé de fabrication d'un connecteur enfichable (10) protégé, comprenant :
    la liaison d'une partie d'extrémité d'un câble (11) à un connecteur enfichable (10) ;
    la réception du connecteur enfichable (10) dans un logement de connecteur (2) d'un dispositif de protection (1) ;
    le serrage de la partie d'extrémité du câble (11) dans le logement de connecteur (2), le logement de connecteur (2) présentant une pluralité de crochets de maintien de câble (6) qui dépassent vers l'intérieur dans le logement de connecteur (2), et une gaine de câble (13) de la partie d'extrémité du câble (11) étant serrée par la pluralité de crochets de maintien de câble (6),
    dans lequel les distances par rapport à la ligne médiane (M) de deux crochets de maintien de câble (6) ou plus diminuent le long de la ligne médiane (M), depuis l'ouverture pour câble (4) en direction de l'ouverture pour connecteur (3),
    dans lequel au moins deux des crochets de maintien de câble (6) viennent en prise avec la gaine de câble (13) de la partie d'extrémité du câble (11),
    dans lequel la pluralité de crochets de maintien de câble (6) sont conçus pour bloquer un mouvement de la partie d'extrémité reçue du câble (11) par rapport au logement de connecteur (2), la pluralité de crochets de maintien de câble (6) étant conçus pour former une décharge de traction afin de bloquer, dans un état de fonctionnement, un mouvement de la partie d'extrémité du câble (11) le long de la ligne médiane (M).
EP18000303.0A 2017-03-31 2018-03-28 Dispositif de protection pour connecteurs enfichables, utilisation et procédé Active EP3382821B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017003160.6A DE102017003160B3 (de) 2017-03-31 2017-03-31 Schutzvorrichtung für Steckverbinder, Verwendung und Verfahren

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EP3382821A1 EP3382821A1 (fr) 2018-10-03
EP3382821B1 true EP3382821B1 (fr) 2024-01-24

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DE102020100553A1 (de) * 2020-01-13 2021-07-15 Amphenol Tuchel Industrial GmbH Kabelklemme
USD1008981S1 (en) 2022-05-16 2023-12-26 Caterpillar Inc. Wire cover

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DE102017003160B3 (de) 2018-07-26

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