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
  • H01R13/46—Bases; Cases
  • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
  • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
• • 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
  • H01R13/6273—Latching means integral with the housing comprising two latching arms
• • 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
  • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
  • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R2103/00—Two poles

Definitions

• the invention relates to a connector, in particular high-frequency connector, with a first connector, in particular coaxial connector, which has a first inner conductor part, a first outer conductor part and a first insulating part for holding the first inner conductor part radially inside and coaxial with the first outer conductor part, and with an axial insertion in the first connector in a joining direction formed second connector, in particular coaxial connector, which has a second inner conductor part, a second outer conductor part and a second insulating part for holding the second inner conductor part radially inside and coaxial with the second outer conductor part, wherein in a mated state of the first and second connector the first inner conductor part the second inner conductor part electrically and mechanically contacted and the first outer conductor part electrically and mechanically contacted the second outer conductor part, wherein the first connector has a first surface and the second connector has a second surface, between which a seal is arranged and compressed in the axial direction, according to the preamble of claim 1.
• Such a connector is e.g. known from EP 2 304 851 B1 and has a complicated to handle screw on.
• Spring contact elements may be provided which form an easier-to-handle latching connection.
• Spring contact elements may be provided which form an easier-to-handle latching connection.
• a minimum amount of axial play in the joining direction or in the main extension direction or in the longitudinal axis of the connector is required. This axial play allows unwanted displacements of the two connectors to each other, which affects the electrical contact quality.
• the invention has for its object to show ways how the electrical contact quality can be improved with easier-to-use connectors with a snap-in connection.
• the at least one latching element and the second connector at least one counter-latching element such that the axial insertion of the first connector in the second connector in a plugged state, the at least one latching element and the engage at least one mating latch member and lock the first connector to the second connector in the mated condition, wherein pushing apart of the first connector and the second connector by a restoring force of the compressed gasket in axial direction and against the joining direction takes place, such that a backlash-free pressing of the locking element takes place against the engagement with the counter-locking element.
• the latching element is radially elastically deflectable.
• an automatic engagement is achieved by the locking element and the counter-locking element during insertion of the first connector in the second connector. This increases the manageability.
• the first surface is a portion of a groove or shoulder for partially receiving or supporting the seal.
• the seal may be partially received such that a first portion of the seal is received in the groove and a second portion of the seal is outside the groove.
• a wall of the groove or a wall section then form the first surface.
• a shoulder may provide at least one seal seating or support surface, which then provides the first surface.
• the first surface is formed as a plane portion of the groove or the shoulder and has a normal vector which extends substantially parallel to a longitudinal axis of the connector.
• a normal vector, also normal vector is understood to mean a vector which is orthogonal, ie perpendicular or perpendicular, on a plane or surface.
• a straight line that has this vector as a direction vector is called a normal.
• a normal Under substantially extending parallel to a longitudinal axis of the connector is understood lying within normal manufacturing tolerances.
• the second surface is designed and arranged such that an elastic deformation of the seal additionally takes place in the radial direction, preferably in the radial inward direction. This achieves securing of the seal against squeezing out of a region between the first and second surfaces.
• the second surface for elastically deforming the seal has a chamfer.
• a bevel is understood to be a bevelled surface on a component edge. As a rule, a chamfer has an angle of 45 ° to the plane. But there are also angles of 60 ° usual. Chamfers are generally continuous shapes on a continuous component edge. Thus, a deformation of the seal in the axial and / or radial direction can be achieved with only a single second surface.
• the second surface is arranged on an end face and / or on an inner face of the second connector.
• the counter-latching element can be arranged on an outer surface of the second outer conductor.
• the second surface and the counter-locking element on the second outer conductor are arranged opposite one another.
• the second surface is arranged on an inner surface of the second outer conductor.
• the second outer conductor has a dual function, namely, it forms a portion of an electrical connection and provides the second surface.
• a connector with a particularly simple structure can be provided.
• the counter-latching element is arranged on an outer surface of the second outer conductor.
• the outer conductor has a third function, namely additionally the provision of counter-locking elements.
• the structure of the connector can be further simplified.
• the invention includes a first connector and a second connector for such a connector. The invention will be explained in more detail below with reference to the drawing. This shows in
• FIG. 1 is a schematic representation of an embodiment of a connector according to the invention in an exploded view
• FIG. 1a is a schematic representation of a first embodiment of a first connector of the connector shown in Fig. 1,
• FIG. 1 b shows a schematic illustration of a second embodiment of a first connector of the connector shown in FIG. 1,
• FIG. 1c shows a schematic representation of a third exemplary embodiment of a first connector of the connector shown in FIG. 1
• FIG. 2 shows a schematic representation of a first step for connecting the first connector to the second connector
• FIG. 3 is a schematic representation of the continuation of the joining process shown in FIG. 1,
• FIG. 4 is a schematic representation of a second step for connecting the first connector to the second connector
• FIG. 5 is a schematic representation of a third step for connecting the first connector to the second connector
• Fig. 6 shows the connector shown in Fig. 1 in the assembled state.
• FIG. 1 Shown is a connector 2 having a first connector 4 and a second connector 6.
• the connector 2 in the present embodiment is a coaxial connector and high-frequency connector, wherein the first connector 4 can be connected to the second connector 6 by forming a latching connection.
• Such coaxial connectors or coaxial snap connectors are also referred to as quick-lock connectors or push-pull connectors.
• Coaxial connectors are used for the detachable connection of coaxial cables.
• Coaxial connectors such as coaxial cables, are coaxial to have the advantages of coaxial cable, namely low electromagnetic interference and radiation, and good electrical shielding and impedance equal to that of the coaxial cable connected, to reflect reflections at the interface between coaxial connectors and coaxial cable avoid.
• a coaxial cable, or coax cable for short is understood here to mean a two-pole cable with a concentric structure, which has an inner conductor (also called a core) which is surrounded at a constant distance by a hollow-cylindrical outer conductor. The outer conductor shields the inner conductor from electromagnetic interference. In the space between the inner conductor and the outer conductor, an insulator or dielectric is arranged.
• the first connector 4 is formed in the present embodiment as a plug, while the second connector 6 is formed as a socket. Further, in the present embodiment, the first connector 4 and the second connector 6 are each formed as a coaxial connector, e.g. as a coaxial plug and as a coaxial socket.
• the first connector 4 has a first inner conductor part 14, which in the present exemplary embodiment is formed by an inner conductor contact pin which is surrounded by a first insulating part 26.
• the first insulating part 26 has a substantially cylindrical basic shape, in particular hohizylinderförmige basic shape, and is inserted into a first outer conductor part 28, which also in the present embodiment, a substantially cylindrical basic shape, in particular hohizylinderförmige basic shape, and is inserted into an axially displaceable sleeve 30, in the present embodiment, a substantially cylindrical basic shape, in particular hohizylinderförmige basic shape having.
• the first outer conductor part 28 may be made of an electrically conductive material and thus form a portion of an outer conductor of the connector 2. It is thus formed in the present embodiment as a plug guide body.
• the sleeve 30 may form an outer housing of the first connector 4 and at the same time have the function of an unlocking element, with which the latching connection between the first connector 4 and the second connector 6 can be solved.
• the first outer conductor part 28 also has in the present exemplary embodiment a substantially cylindrical basic shape, in particular a hollow cylindrical basic shape, and in the present exemplary embodiment a groove or shoulder 10.
• the groove or shoulder 10 provides in the present embodiment, a plane portion which forms a first surface 11, which, as will be explained later, causes a compression of a seal 8, which is partially inserted into the groove or shoulder 10 or is supported there.
• the gasket 8 may e.g. to be an O-ring.
• the first outer conductor part 28 has on its outer side a latching element 22 for forming a latching connection with the second connector 6, as will be explained in detail later.
• the latching element 22 is a resilient latching hook for a counter-latching element 24 formed as latching surface on the second connector 6.
• the first connector 4 has a first outer conductor contact section 32, which in the present exemplary embodiment is formed by a plug outer conductor contact, which is partly between the first insulating part 26 and the first outer conductor part 28 is arranged and a free contact surface, eg in the form of contact fingers.
• the first connector 4 has a first guide surface 20, which cooperates with a second guide surface 18 of the second connector 6, as will be described in detail later.
• the first Guide surface 20 is for example an outer surface.
• the outer surface is in the present embodiment, a cylinder jacket outer surface.
• the first guide surface 20 is arranged in the axial direction with respect to a longitudinal axis 50 of the connector 2 from the first outer conductor contact portion 32 spaced.
• the first guide surface 20 is formed on an outer surface of the first outer conductor part 28.
• the first guide surface 20 and the first outer conductor contact portion 32 are formed as radially outwardly oriented surfaces.
• the first connector 4 has a third guide surface 44 for cooperation with a fourth guide surface 42 of the second connector 6, as will also be explained in detail later.
• the third guide surface 44 is formed by an inner surface of the sleeve 30 on the first connector 4. Further, the third guide surface 44 in the present embodiment, a cylinder jacket inner surface.
• the second connector 6 has a second inner conductor part 34 corresponding to the first inner conductor part 14, which in the present exemplary embodiment is designed as an inner conductor contact bush and has a substantially cylindrical basic shape, in particular a hollow cylindrical basic shape, and is surrounded by a second insulating part 36.
• the second insulating member 36 also has in the present embodiment, a substantially cylindrical basic shape, in particular hollow cylindrical basic shape, and is in a substantially cylindrical in the present embodiment basic body in particular hollow cylindrical body, e.g. a second outer conductor part 38, used.
• the second outer conductor part 38 may be made of an electrically conductive material and thus form a portion of the outer conductor of the connector 2.
• the second connector 6, the second guide surface 18 and a second outer conductor contact portion 40 which is formed in the present embodiment by a female outer conductor contact and having a free contact surface.
• the second guide surface 18 and the second outer conductor contact portion 40 of the second connector 6 in the axial direction with respect to the longitudinal axis 50 of the connector 2 are spaced apart.
• the second guide surface 18 is formed on an inner surface of the second outer conductor part 38, and in the present embodiment, the second guide surface 18 is a cylinder jacket-shaped surface of the second outer conductor part 38.
• the fourth guide surface 42 is formed by an outer surface on the second outer conductor part 38.
• the second outer conductor part 38 has at a front end 16 to a second surface 12, which is formed in the present embodiment as a 45 ° bevel.
• the second surface 12 is formed and arranged such that, by cooperation with the first surface 11, the seal 8 is elastically deformed axially in the direction of the longitudinal axis 50 of the connector 2 and radially inwardly or inwardly.
• the second surface 12 is arranged on an inner surface of the second outer conductor part 38.
• the second outer conductor part 38 in the present embodiment at the front end 16 on a counter-latching element 24 which is arranged opposite to the second surface 12.
• the counter-latching element 24 is arranged on an outer surface of the second outer conductor part 38.
• a locking sleeve or threaded union nut e.g. with a M10 x 0.75 thread, to additionally secure connector 2.
• FIGS. 1a to 1c In Fig. 1a it is shown that the first outer conductor contact portion 32 is formed by a separate component.
• the separate component is in the present embodiment, a sleeve 21 which is formed as a spring cage with resilient contact tongues.
• Fig. 1 b it is shown that the first outer conductor part 28 with the spring cage having resilient contact tongues having sleeve 21 of the first outer conductor contact portion 32 are formed integrally and of the same material.
• Fig. 1c is shown that the sleeve 21 is at least partially surrounded by the formed as a separate element first guide surface 20. The first guide surface 20 is pressed onto the first outer conductor part 28 and the sleeve 21.
• FIGS. 2 to 6 Refer will now also be made to FIGS. 2 to 6.
• a first step of mounting the connector 2 is shown, in which the first connector 4 in the joining direction F (see Fig. 1) is moved by axial insertion along the longitudinal axis 50 of the connector 2 on the second connector 6, until this contact.
• the second outer conductor part 38 It enters the second outer conductor part 38 in the sleeve 30 a. It can be seen that the second guide surface 18 of the second outer conductor part 38 comes into contact with the first guide surface 20 of the first outer conductor part 28. Further, in the present embodiment, at the same time, the fourth guide surface 42 of the second outer conductor part 38 comes into contact with the third guide surface 44 of the sleeve 30. Alternatively, the fourth guide surface 42 of the second outer conductor part 38 and the third guide surface 44 of the sleeve 30 of the second guide surface 18 of the second outer conductor part 38 and the first guide surface 20 of the first outer conductor part 28 lead or lag.
• a progress of the joining movement is shown. 4
• a second step is shown.
• the first inner conductor part 14 enters the second inner conductor part 34 and thus forms an inner conductor.
• the free contact surface of the first outer conductor contact portion 32 of the first outer conductor part 28 makes electrical and mechanical contact with the second outer conductor contact portion 40 of the second outer conductor part 38, thus forming an outer conductor.
• the second guide surface 18 and the first guide surface 20 of the first guide and the third guide surface 44 and the fourth guide surface 42 of the second guide come before the electrical contacts, namely the first inner conductor part 14 and the second inner conductor part 34 and the first outer conductor contact portion 32 and the second Outgoing conductor contact portion 40, mechanically in contact.
• the guides of the connector 2 rush its electrical contacts ahead.
• Fig. 5 a third step is shown. After the second surface 12 has reached the on the first surface 11 supporting seal 8, and the locking element 22 is deflected elastically in the radial direction.
• the seal 8 is compressed until the locking element 22 is out of engagement with the counter-latching element 24 in the radial direction and can snap back in the radial direction , Furthermore, by forming the chamfer of the second surface 12, the seal 8 is compressed radially inwardly.
• the seal 8 is secured in position and the friction between the second surface 12 and the seal 8 on the one hand and the friction between the first face 11 and the seal 8 on the other hand prevents rotation of the second connector 6 by rotation about the longitudinal axis 50.
• Fig. 6 of the assembled connector 2 is shown.
• the gasket 8 relaxes a little and pushes the second connector 6 in a direction opposite to the direction of the joining movement F (see Fig. 1), e.g. by 0.05 mm to 0.4 mm.
• the compressed seal 8 provides a restoring force that forces the first connector 4 and the second connector 6 apart.
• the latching element 22 and the counter-latching element 24 come into contact in the axial direction and are secured by the pressure acting in the axial direction due to the compression of the seal 8. Furthermore, there is no play, i. the connection is free of play in the axial direction.
• the position of the first connector 4 to the second connector 6 is determined, thus increasing the electrical contact quality without additional components.

Landscapes

• Details Of Connecting Devices For Male And Female Coupling (AREA)
• Connector Housings Or Holding Contact Members (AREA)
• Coupling Device And Connection With Printed Circuit (AREA)

Applications Claiming Priority (3)

Publications (1)

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ID=58503564

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• 2017
  • 2017-04-06 CN CN201780022616.0A patent/CN109075494A/zh active Pending
  • 2017-04-06 US US15/743,717 patent/US10141688B2/en active Active
  • 2017-04-06 WO PCT/EP2017/000432 patent/WO2017178101A1/de active Application Filing
  • 2017-04-06 EP EP17716126.2A patent/EP3443620A1/de not_active Withdrawn
  • 2017-04-14 TW TW106205277U patent/TWM551358U/zh not_active IP Right Cessation

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