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
  • H01R13/6271—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
  • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
• • 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
  • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
• • 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
  • H01R13/622—Screw-ring or screw-casing
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
  • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
  • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
  • H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
• • 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
• • 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
  • H01R24/86—Parallel contacts arranged about a common axis

Definitions

• the invention is based on a circular connector according to the
• the invention is based on a mating connector according to the preamble of independent claim 14.
• the invention is based on a system from
• the invention is based on a system of the alternative circular connector according to claim 16 and the mating connector according to claim 14.
• Circular connectors of this type and associated mating connectors are required in order to be plugged together for power and / or signal transmission and to be securely screwed together and / or otherwise locked together to ensure the secure plug connection. It is clear to the person skilled in the art that the mating connector, too, due to its screwability and plug compatibility with the said
• Circular connectors also belong to the genus of circular connectors. For the sake of better distinction, however, it is referred to below only as a “mating connector”. State of the art
• a connector and a corresponding plug-in system with a segmented thread and a push-pull locking mechanism are known from the document DE 10 2015 015 202 B4. It is disclosed to design the thread in such a way that at least one latching means of a complementary plug element can be inserted into at least one threadless section of the plug connector.
• Sections are expensive to manufacture and correspondingly expensive.
• undesirably high unlocking forces occur in many cases during the unlocking process.
• the object of the invention is to improve the holding force of such a connector.
• a circular connector has an insulating body with a
• Radially movable latching arms are arranged on the outside of the contact carrier section, namely attached to them.
• the locking arms are held thereon elastically.
• the locking arms have radially outwardly directed locking hooks for locking in a mating connector. Subsequently, they have an outward attack slope.
• the circular connector has an unlocking sleeve which engages around the contact carrier section.
• the unlocking sleeve is slidably held on the insulating body along the direction of insertion.
• said hollow cylindrical plug-in region can be molded onto the contact carrier section on the plug side.
• the latching hooks are arranged on the insulating body in the vicinity of the transition from the plug-in area to the contact carrier section.
• the contact carrier section of the circular connector usually serves to hold plug contacts at their cable connection area. Its hollow cylindrical plug area, in which the plug areas of the
• Plug contacts usually protrude into the socket
• a particularly great additional advantage of the invention is that manufacturing can be simplified and manufacturing costs can be reduced. Finally, it is very complex in the prior art to introduce the grooves into the thread-free areas of the internal thread of the mating connector, so that the latching arms can be pushed through. According to the invention, this is not necessary. In connection with this, the coding is also compared to the mating connector simplified, which is advantageously a simplified and thus
• a particular advantage of this circular connector is that its locking pins are directed radially outwards, ie away from each other.
• the housing of the mating connector can thus be designed as a built-in housing and can, for example, in one
• the latching pins of the circular connector can thus latch on the inside of a circumferential or interrupted plug-side, inwardly directed latching lug of the mating connector housing.
• the mating connector can be a continuous, i.e. have non-segmented, internal thread that increases stability and
• Circular connectors but also optionally allow the said (so-called "push-pull") locking. Since the latching hooks are arranged on the insulating body near the transition from the plug-in area to the contact carrier section, they need the internal thread of the mating connector
• a seal for example a sealing ring, in particular an O-ring, or an injection molded seal, despite this generic combined snap-action connection, can have a radially sealing effect, i.e. it is compressed radially in the plugging process instead of - as in State of the art - to be compressed in the direction of insertion, and can therefore seal the connector system particularly well.
• only one seal for example only one sealing ring, is necessary, which represents a considerable structural advantage over the prior art for this genus.
• the seal can on
• Circular connectors in particular at its plug area, preferably at the contact carrier section end of the hollow cylindrical plug area.
• the insulating body can preferably have a groove for fastening the sealing ring.
• Another advantage is that, due to the high holding force of this design, the material can be somewhat less hard / stable in an advantageous embodiment, which has a positive effect on the manufacturing technology, the tolerances and thus also on the manufacturing price.
• the latching arms can be made in one piece with the insulating body and molded onto the outside of the contact carrier section. This enables simple mechanical production in the
• the insulating body can be formed from plastic. Then in addition to their shape, you can also use the
• composition of the plastic the elasticity of the locking arms can be adjusted.
• the insulating body can thus be completely or only partially, namely at least in one
• Contact carrier section are attached, consist of an elastic plastic. As a result, he can particularly advantageously ensure the necessary movable, namely in this case elastic, connection between the locking arms and the contact carrier section.
• Design advantageously allows automated production with little effort and continues to follow a philosophy that pretends that the connector is made largely of plastic / To manufacture plastic parts, which among other things serves to simplify the automated manufacturing processes and to save costs.
• the elastic plastic can be a thermoplastic or a thermoset or elastomer.
• the internal thread of the mating connector is continuous, that is not segmented, and therefore has a comparatively high holding force.
• the locking arms can be made comparatively short and therefore strong, since they form only a short lever. Furthermore, their number is not limited by being in a predetermined number
• unthreaded areas of the mating connector must intervene, which naturally is usually limited to a maximum of three or four.
• the locking arms can also be part of a separate locking device. Then their elasticity is easily adjustable by their material and / or their shape separately from that of the insulating body.
• they can be made of sheet metal, in particular spring-elastic sheet metal, e.g. Stainless steel sheet. This has the advantage of a double function, because then you can also have a shielding function at the same time.
• they can be designed as a stamped and bent part, which enables ergonomic production.
• the circular connector can have a radial seal.
• the plug-in area can have a circumferential groove on its contact carrier section end for fixing the seal to the insulating body.
• the seal can be an O-shaped sealing ring or a molded seal molded onto the insulating body.
• the mating connector has a mating connector housing with a
• Threaded section with internal thread Threaded section with internal thread.
• Mating connector housing is a circumferential or inside
• This locking lug is molded on the mating side of the internal thread on the mating connector housing.
• the locking lug is arranged at the plug end of the mating connector housing.
• Base section on which on the outside is attached a separate latching device encompassing the base section.
• This has radially movable latching arms, the latching arms having radially outwardly directed latching hooks at their free-standing ends for latching in a mating connector. Subsequently, they have an outward attack slope.
• the alternative circular connector has said or an alternative but equivalent locking sleeve that the
• Grips contact carrier section.
• the release sleeve is for
• the circular connector housing also has a hollow cylindrical molded on the plug side of the base section
• the latching hooks are on this type
• Circular connector housing near the transition from
• Housing plug area arranged to the base section.
• the separate locking device can be made of a resilient material, in particular resilient sheet metal, e.g. Stainless steel sheet, is formed. In particular, it can be a stamped and bent part.
• resilient sheet metal e.g. Stainless steel sheet
• the circular connector housing can be made of a particularly hard material, e.g. be made of a zinc alloy in the zinc die casting process.
• the alternative circular connector can have a radial seal.
• the seal can be an O-shaped sealing ring (“O-ring”).
• the housing plug area of the alternative circular connector can dip into the threaded section of the mating connector, while at the same time the snap hooks of the alternative
• Fig. 1 b is an enlargement of a latch from the
• FIG. 2a shows an alternative insulating body of the circular connector with a separate latching device
• 1 a and 1 b show a system of a circular connector 1 and a mating connector 2 in cross section.
• the circular connector 1 is plugged into the mating connector 2 and locked there.
• 1 b shows an enlargement of the image detail encircled in FIG. 1 a.
• the circular connector 1 has, shown on the right in the drawing, a cable gland 6 which is screwed to a cable gland thread 16 of an insulating body 100 of the circular connector 1 for the introduction, fixing and sealing of an inserted cable.
• Contact carrier section 10 This has through openings 15 for receiving plug contacts 17, one of which is shown in the drawing by way of example and the other is only partially shown in order to expose the contact carrier opening 15. The so in
• a plurality of latching arms 13 are integrally formed on the contact carrier section 10. These locking arms 13 are radially movable, namely elastically deformable, held on the insulating body 100. For the two locking arms 13 shown here, this means that they are movable up and down in the drawing, namely elastic, i.e. with the application of a restoring force corresponding to their deflection, compared to the
• the locking arms 13 are made in one piece with the insulating body 100, e.g. Injection molded, namely over one
• Connection section 18 integrally formed on the contact carrier section 10, wherein the entire insulating body 100 consists of plastic. In order to ensure the radial mobility of the locking arms 13, it would in principle be sufficient if this connecting section 18 were made of an elastic plastic, such as a thermoplastic. In the present embodiment, however, there is the whole
• Insulating body 100 made of a uniform material, namely one Thermoplastic to enable the production in a simple injection molding process. Furthermore, four locking arms 13 are provided in this embodiment, but it is of course clear to the person skilled in the art that any other number is also conceivable.
• the locking arms 13 have at their free ends radially outwardly directed locking hooks 12 for locking on the mating connector 2. Subsequently, they each have an outwardly directed bevel 12, the function of which is explained by the interaction with an unlocking sleeve 3 encompassing the contact carrier section 10, more precisely its unlocking bevel 31.
• unlocking sleeve 3 is namely manually in the unlocking direction, i.e. pulled away from the mating connector, i.e. from left to right in the drawing, their unlocking bevels 31 press the two
• Locking arms 13 at the bevels 1 1 inwards, that is, towards each other in the drawing.
• the locking arms 13 due to their elasticity and the associated restoring force
• Locking position i.e. to move to the mating connector 2.
• Mating connector 2 which is molded on the mating side and directed inward of the mating connector 2, namely on its mating connector housing 21.
• the latching hooks 12 protrude into the essentially cylindrical plug-in opening of the mating connector 2, which is not shown in detail for reasons of clarity.
• the seal in this illustration is designed as a molded seal 4 ′ molded onto the plug-in area 14.
• the mating plug housing 21 has a threaded section 23 with a continuous, ie non-segmented, internal thread.
• the circumferential locking lug 22 is arranged on the plug side (on the right in the drawing) of the threaded section 23.
• the latching hooks 12 of the connector 1 are arranged on the insulating body 100 in the vicinity of the transition from the plug-in area 14 to the contact carrier section 10. When plugged in, the plug-in area 14 of the
• Circular connector 1 immersed in the threaded portion 23 of the mating connector 2, while at the same time the locking hook 12 of the
• 1 c shows the circular connector in an exploded view. It can be clearly seen that the plug-in area 14 has a hollow cylindrical shape and a groove 140 on the contact carrier side for fixing the
• Sealing ring 4 has. Furthermore, it is easy to imagine that the
• Circular connector 100 has four locking arms 13, although only three can be seen in the drawing because the fourth is covered by the insulating body 100.
• the essentially hollow cylindrical basic shape of the unlocking sleeve 3 can also be clearly seen.
• the seal is designed as a sealing ring 4. It is fixed in a groove 140 which on the contact carrier section side
• Mating area 14 is arranged.
• 1 d shows the insulating body 100 also enlarged in a 3D view.
• a locking arm 13 is provided with its locking hook 12 and its bevels 11 representative of the others with reference numerals.
• the radially outward locking hooks 12 are on Insulating body 100 is arranged in the vicinity of the transition from the plug-in area 14 to the contact carrier section 10.
• An alternative circular connector has a circular connector housing 700 which is made of a comparatively hard material, for example die-cast zinc.
• a separate contact carrier (not shown) for receiving and holding the
• the circular connector housing 700 has a base section 70 to which a separate latching device 5 is attached.
• the separate latching device engages around the base section 70 and is fixed thereon with first 51 and second 52 retaining tabs.
• the separate latching device has latching arms 513 with latching pins and engagement bevels 512, which, analogously to the latching arms 13 described above, have the same
• the circular connector housing 700 has one
• the elastic locking arms 513 are therefore part of the separate locking device.
• this is designed separately as a stamped and bent part. It is easy to see that this is punched out of a spring-elastic sheet metal around the
• the connector housing 700 can be closed.
• the connector housing 700 can be made particularly hard and stable. At the same time, the

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

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

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• 2018
  • 2018-12-11 DE DE102018131720.4A patent/DE102018131720A1/de active Pending
• 2019
  • 2019-12-03 US US17/291,875 patent/US11611174B2/en active Active
  • 2019-12-03 KR KR1020217021248A patent/KR102640213B1/ko active IP Right Grant
  • 2019-12-03 WO PCT/DE2019/101034 patent/WO2020119854A1/de unknown
  • 2019-12-03 CN CN201980081460.2A patent/CN113196582A/zh active Pending
  • 2019-12-03 EP EP19835601.6A patent/EP3895256B1/de active Active

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