EP2356721B1 - Borne de connexion et conducteur de raccordement avec borne de connexion - Google Patents

Borne de connexion et conducteur de raccordement avec borne de connexion Download PDF

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Publication number
EP2356721B1
EP2356721B1 EP09767983.1A EP09767983A EP2356721B1 EP 2356721 B1 EP2356721 B1 EP 2356721B1 EP 09767983 A EP09767983 A EP 09767983A EP 2356721 B1 EP2356721 B1 EP 2356721B1
Authority
EP
European Patent Office
Prior art keywords
clamping
contact
leg
conductor end
spring
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
EP09767983.1A
Other languages
German (de)
English (en)
Other versions
EP2356721A1 (fr
Inventor
Stefan Giefers
Mehmet Sagdic
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Priority to EP11005784.1A priority Critical patent/EP2381536B1/fr
Publication of EP2356721A1 publication Critical patent/EP2356721A1/fr
Application granted granted Critical
Publication of EP2356721B1 publication Critical patent/EP2356721B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/489—Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/22—End pieces terminating in a spring clip
    • H01R11/24—End pieces terminating in a spring clip with gripping jaws, e.g. crocodile clip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/22—End pieces terminating in a spring clip
    • 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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
    • H01R13/42—Securing in a demountable manner
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end

Definitions

  • the invention relates to a contact terminal, which can be opened and closed by means of a movable to a mating contact clamping spring and a connector with the contact terminal, in particular for connecting photovoltaic modules.
  • Single pole waterproof connectors especially for applications in the photovoltaic industry, are typically provided with an electrical lead by crimping the lead to a contactor. Crimping requires a special tool to make the crimped connection. Furthermore, a crimped connection after it has been manufactured is no longer detachable.
  • the bending spring here is relatively complex shaped and it must be used in any case, a relatively high force to close the clamp.
  • the load arm is relatively long and the clamp is relatively large and unwieldy.
  • Another disadvantage is that the conductor end can be inserted only when the contact terminal is open.
  • under tensile load arises in the opening direction force component acting on the load arm, which requires a high bias or can affect the contact safety.
  • the Clamp prepared for mounting on a busbar and not suitable for a single contact.
  • the US7357662 B1 discloses a generic connector and the DE202005007607 U1 a generic contact terminal.
  • Another object of the invention is to provide an openable contact terminal for the free end of a conductor and a packaged connector with this contact terminal, which are easy to handle and interchangeable and yet ensure a secure and permanent electrical connection, inter alia, against tensile forces on the conductor ,
  • the contact terminal should allow the user to select among connection variants.
  • the contact terminal and the connector should also be inexpensive to produce and possibly suitable for outdoor use.
  • an electrical contact terminal for connecting a conductor end of a conductor or conductor cable is provided with a fixed electrical contact.
  • the conductor end is inserted from an insertion side into the contact terminal, whereby the insertion direction is defined.
  • the contact terminal comprises a holding frame or a holding frame with a contact portion, in particular one fixed contact plate with which the conductor end is contacted when the conductor end in the desired contact position in the Contact terminal inserted and the contact terminal is closed.
  • the contact plate is therefore an integral part of the support frame and the clamping spring clamps the conductor end directly against the contact plate and thus directly against the support frame.
  • the contact clamp further comprises a clamping leg which is pivotally mounted in the support frame about a pivot axis to be pivoted between an open pivot position and a closed pivot position back and forth. The pivot axis is transverse to the insertion direction.
  • the clamping leg in the closed pivot position, electrically clamps the conductor end against the contact portion integrally formed with the support frame when the conductor end is inserted into the desired contact position in the contact terminal to establish electrical contact between the conductor end and the contact portion.
  • In the open pivot position of the clamping leg is pivoted away from the contact portion and releases the contact area in the contact terminal between the terminal point of the clamping leg and the contact portion, so that the conductor end in the open pivot position on the one hand freely in the contact area is inserted and on the other hand for removal from the Contact terminal is released. It is, therefore, an actively openable and closable contact terminal.
  • the clamping leg is in particular a part of an angled or curved pivotable clamping spring, which also comprises an actuating leg and a knee section therebetween. In the closed pivot position of the clamping spring of the clamping leg is inclined - without the end of the conductor at an angle of
  • That the angle of the clamping leg to the contact portion and the spring tension are chosen such that on the one hand the clamping leg can be pressed by inserting the conductor end, in particular by hand, and on the other hand, but the spring tension exerts sufficient clamping normal force on the conductor end to a safe and permanent connection to ensure when the conductor end is inserted in the nominal contact position and the spring contact terminal is closed.
  • the conductor end can be inserted both with the contact terminal open - here free - and with the contact terminal closed, which makes handling more flexible.
  • the front tip of the conductor end first comes to the front of the inclined portion of the clamping leg to the plant and then typically slides on the slope of the clamping leg until the conductor end with bottom the contact section comes into contact.
  • the ladder end presses the clamp leg upwardly on or off the ladder Contact portion away and slides under continuous application of force in the insertion direction by the user rubbing in the contact region between the clamping end of the clamping leg and the contact portion to the desired contact position. Thereafter, the head end is already finally clamped and contacted, so that the otherwise necessary further operation of closing the contact terminal can be omitted.
  • the obliquely running in the insertion clamping leg therefore has a sufficient length to meet the sliding and Aufdgur spantation.
  • the clamping leg should therefore have at least one skew length corresponding to the thickness of the conductor end, but preferably the skew length should be a multiple of the thickness of the conductor end.
  • such an oblique length of at least 2 mm, in particular at least 5 mm, according to one exemplary embodiment, is approximately 7 mm ⁇ 2 mm.
  • about this skew length of the clamping leg is preferably substantially straight.
  • the clamping leg should run at least in the middle of the insertion opening in the insertion direction obliquely in the direction of the contact plate or base of the support frame to ensure safe sliding of the conductor end during insertion.
  • tensile forces acting on the conductor can be transmitted directly to the bearing point via the, essentially straight, clamping leg.
  • This achieves a good conductor fit. It may, depending on the conductor, be useful to stiffen the stripped conductor end of a sheathed round conductor, for example, to provide with a crimp barrel. This may be useful especially when using a stranded wire. In particular, if a rigid single-core wire is used, but this may be waived if necessary. The rubbing can additionally clean the contact points.
  • the closing force is reduced to the clamping spring against closing with already inserted conductor end, which facilitates handling, especially when closing with the fingers without tools.
  • the clamping leg is already biased against the contact portion even without a conductor in the closed pivot position, in order to later achieve a sufficient clamping normal force.
  • a clearly audible closing noise can be provided, which increases safety.
  • an insoluble crimp or solder connection between conductor and connection element, e.g. in the form of a plug contact such a contact terminal is flexible, since they can be opened again at any time and the head or terminal can be replaced individually.
  • the necessary insertion force and the clamping normal force can u.a. be adjusted by means of the oblique angle of the clamping leg and the spring tension.
  • the pivot bearing between the clamping spring and the holding frame in the insertion direction in front of the nip of the clamping leg on the conductor end, that is arranged in front of the contact area and the clamping leg extends in the closed pivot position of the pivot bearing towards the nip obliquely in the direction of insertion to the contact section. That is, the conductor end is inserted from the direction of the pivot bearing of the clamping spring in the terminal contact.
  • the clamping leg pivots in this configuration when pivoting from the closed to the open pivot position in the insertion direction.
  • the clamping spring or spiral spring is therefore designed in particular as a leaf spring-like rocker arm, which pivots between the open pivot position and the closed pivot position and whose flexural rigidity is adapted such that in the closed pivot position on the one hand press the clamping leg by the insertion of the conductor end elastically allows the conductor end without further actuation of the closed contact terminal in the desired contact position in the contact terminal between the contact portion and the clamping point of the clamping leg can be inserted rubbing on both sides.
  • the rocker arm or the clamping spring is integrally stamped and formed from a metal spring plate.
  • the contact terminal can also be referred to as a rocker arm clamp.
  • the rocker arm or the clamping spring is designed as an angle lever, so that between the actuating leg and the clamping leg an angled knee section is arranged, wherein at inserted conductor end at least the knee section is resiliently biased, ie at least a part of the clamping normal force causes.
  • the Clamping leg itself and possibly even the actuating leg by elastic bending to the clamping force.
  • the actuating leg, the knee section and the clamping leg of the rocker arm or of the clamping spring preferably enclose an angle greater than 90 °, or in particular substantially form a V-shape, so that the actuating leg also points away from the knee section in the insertion direction.
  • the actuating portion thus has generally (apart from the angle) in the same direction (namely, the insertion direction) as the clamping leg.
  • the bearing axis is disposed within the V-shape in the region of the knee section and the actuating portion extends with the contact terminal closed substantially parallel to the insertion direction. It has proven useful to select an angle of the V-shape of 135 ° ⁇ 30 °, adapted to the size and the necessary pivot angle.
  • the substantially V-shaped clamping spring points with the knee section arrowhead like against the insertion direction, especially in the open pivot position slightly downward (towards the conductor axis) and / or in the closed pivot position slightly upward (away from the conductor axis). It should initially not be ruled out that further legs are present to form a more complex spring shape, but the simplest form, which is essentially only a V-shape of two essentially straight main legs (clamping and actuating legs) at an angle of sharpener than 90 ° and the connecting knee section. Smaller sections, such as the slightly angled nip are to be regarded as part of the respective main leg. All in all, this type of design is user-friendly and space-saving.
  • the clamping leg itself is preferably designed as an elastic spring clamping leg, such that when the spring clamping leg is pressed in the closed pivoting position by means of the conductor end, the spring clamping leg bends elastically away from the contact point.
  • the bending moment of the spring-clamping leg in the desired contact position of the conductor end is thus selected such that thereby at least a part of the clamping normal force is effected on the conductor end.
  • the actuating leg is designed as a spring leg and contributes to the effect of the clamping normal force.
  • the flexural rigidity of the actuating leg is set greater than the bending stiffness of the spring clamping leg, e.g. by a larger width of the actuating leg.
  • the actuating leg is preferably longer than the clamping leg, so that advantageously a translation of the actuating force is achieved in a higher clamping force.
  • the clamping leg has a free terminal end with which the conductor end is clamped and a main section extending between the free terminal end and the knee section.
  • the main section extends in the closed pivot position in the insertion direction from the insertion side to the clamping point obliquely to the contact portion and has a dual function in which it causes the derivation of the conductor end during insertion and contributes to the bias of the clamping spring.
  • the conductor end preferably first comes to rest on the main portion and becomes obliquely due to the oblique Arrangement guided in the direction of the contact portion, in order then to press the clamping spring.
  • the portion with the free terminal end is considerably shorter than the main portion and preferably slightly bent opposite to the insertion direction relative to the main portion, so that in the closed pivot position with inserted conductor end, the free terminal end forms a duller angle with the contact portion of the support frame, as the main portion or the part of the clamping leg which causes the insertion of the conductor end.
  • the clamping portion with the clamping end is therefore angled at an angle of less than 90 ° relative to the main portion, in particular by less than 45 °. In this way, despite a relatively acute angle of the main section, a better power dissipation can be achieved and the pull-out force can be increased.
  • the free clamping section or the clamping end should still point in the insertion direction, ie, as viewed from the insertion direction, have an angle of less than 90 ° to the insertion direction or to the contact section essentially parallel thereto, so as not to hinder the insertion of the conductor.
  • the clamping leg thus still runs substantially straight from the nip to the bearing axis.
  • the main portion of the spring-clamping leg on, in particular arcuate, constriction, which reduces the bending stiffness of the spring-clamping leg at the constriction. This ensures a better distribution of the bending moment and the clamping spring can be made slightly smaller on the whole.
  • the narrowest point of the main section is narrower than the free terminal end and the knee section.
  • the actuating leg of the clamping spring preferably has a remote from the pivot bearing positioned Operating section on.
  • the closing of the clamping spring for example, by manual pressing by the user and can be done with a bare finger.
  • the pivoting angle is approximately 45 ° ⁇ 30 ° and the actuating portion extends in the open pivot position obliquely away from the contact portion and possibly in the closed pivot position substantially parallel to the insertion direction, which allows good operability and compact design.
  • the rocker arm engages audibly on the support frame in the closed pivot position, so that a high contact reliability is ensured.
  • the rocker arm or the clamping spring on a free latching portion which is located at the opposite end of the free clamping end of the rocker arm remote from the bearing axis.
  • the latching portion is preferably angled relative to the actuating limb in the direction of the holding frame or the contact portion and the latching means are arranged on the latching portion.
  • the locking means do not interfere with manual operation.
  • the fact that the locking of the actuating leg is arranged away from the storage, the actuating leg can also contribute to the spring action and bias.
  • the holding frame is preferably formed in cross-section to the insertion direction substantially U-shaped and thus has two lateral cheeks and a lower base, the latter integrally forming the contact portion.
  • the rocker arm or the clamping spring also has two lateral cheeks and the rocker arm is pivotally mounted with his cheeks on the cheeks of the support frame, which ensures a good lateral guidance.
  • the lateral cheeks of the rocker arm are formed substantially L-shaped and the bearing axis of the rocker arm is arranged in the insertion direction of the conductor end in front of the junction of the lateral cheeks on the actuating limb so that the pivot point relatively close to the knee section and the connection point slightly further the knee section away.
  • connection element to which the conductor end is connected by means of the contact terminal is arranged on the insertion side of the conductor end opposite side and facing in the insertion direction, so that a substantially linear connection between the conductor and the connection element, for example, is provided for a linear connector.
  • the protruding connecting element is formed integrally with the holding frame.
  • the holding frame is punched and formed together with the connecting element, for example a plug-in contact, from a piece of sheet metal.
  • the holding frame and the plug contact are in particular made of copper sheet, for example about 0.8 mm to 2 mm thick, stamped and formed and silvered or tinned and the clamping spring is of a spring steel sheet, for example, about 0.3 mm to 0.5 mm, punched and shaped.
  • the metallic holding frame has a stop against which a counter-stop of the clamping spring strikes in the closed state.
  • the stop blocks movement of the clamping spring against the clamping standards and is e.g. formed in the form of lateral pins on the cheeks and arranged in particular in the storage area.
  • an additional safeguard against unintentional cracking of the clamping spring is ensured, in the event that the storage of the clamping spring dissolves.
  • the holding frame for this purpose on both sides on its upper side near the storage side hook-like projections which extend transversely to the insertion direction and along the axis of rotation of the cheeks of the U-shaped support frame.
  • the invention further relates to a connector for connecting a conductor end to the connection element with a preferably watertight housing in which the contact terminal is housed.
  • the connector is thus particularly suitable for use outdoors, in particular for the connection of photovoltaic modules, for example as a connector to connect to a connection and Verbin Printergsdose a photovoltaic module.
  • the dielectric housing is preferably formed in at least two parts, particularly preferably at least three parts, and comprises a inner holding part to which the contact terminal is attached, for example, is latched to the holding part with latching hook.
  • the housing further has a sleeve-shaped Umgephinuseteil, which at least partially surrounds the holding part in the assembled state.
  • the sleeve-shaped Umgepurteil preferably has an inner securing portion, for example in the form of an inwardly directed rib, which rests in the mounted state on the actuating limb and thus secures the rocker arm, if necessary, in addition to the catch against accidental rupture.
  • the housing bottom is formed in continuation of the contact portion to ensure a hook-free insertion of the conductor end via the housing bottom and the contact portion.
  • the housing further comprises a third sleeve-shaped cap part, which is in the assembled state with the sleeve-shaped UmgeHouseteil engaged and the contact terminal and the holding part together with the sleeve-shaped Umgephaseuseteil, preferably substantially waterproof.
  • the contact terminal is fixed to the holding part of the housing and the capping part is temporarily fixed to the holding part.
  • the cap part is designed as a cap sleeve or union nut, which is not completely screwed onto the holding part with a threaded end. In this state, the contact terminal may still be open.
  • the conductor end is inserted into the contact terminal in the open state through an end opposite the threaded end, this preferably takes place in the above-described partially screwed-on state of the housing. Subsequently, will closed the clamping spring and the sleeve-shaped Umgeffeteil inserted from the other side to the holding part and bolted to the union nut.
  • the union nut is screwed onto the sleeve-shaped Umgecharuseteil and the clamping rib of the sleeve-shaped Umgephaseuseteils is applied to the clamping spring and secures them.
  • the union nut has opposite the threaded end an insertion opening for the conductor and between the union nut and the holding part is an elastomeric ring seal used to seal the conductor to its sheath.
  • the sleeve-shaped Umgekoruseteil has at its end opposite the insertion a contact projection in which the connection element is housed for contacting with a mating connector, and connecting means with the mating connector.
  • the connector with closed and secured contact terminal without ladder can be almost completely assembled and only subsequently the conductor with the stripped conductor end in the connector with closed contact terminal can be inserted. It is only expedient to leave the screw still slightly loose before the insertion of the conductor, and only after insertion of the conductor and production of the terminal contact to tighten the screw, the seal being made. As a result, the connector can be prefabricated very far and is particularly easy for the user to handle.
  • the conductor end is therefore in both states, namely both in the open state and in the closed state with the contact terminal or with the connector, in particular manually, connectable or connectable.
  • Fig. 1 shows the contact terminal 10 according to the invention with a U-shaped cross-section in the contact area of sheet metal bent support frame 20 and the pivotally mounted on the support frame 20 clamping spring 60.
  • the support frame 20 has on lateral cheeks 22a, 22b on the insertion side 12 each outwardly shaped bearing pin 24a , 24b.
  • the clamping spring 60 has at its lateral cheeks 62a, 62b respectively round openings 64a, 64b, in which the bearing pins 24a, 24b engage from the inside out to form the pivot bearing 14 for the clamping spring 60.
  • the arrow E visualizes the insertion direction for the in Fig. 1 not shown ladder.
  • the pivot axis 14 of the clamping spring 60 is perpendicular to the insertion direction E and perpendicular to the base 26 of the support frame 20, which connects the two lateral cheeks 22a, 22b integrally with each other and forms the contact portion as a mating contact for the clamping spring and the electric busbar.
  • the clamping contact 10 also has a connection element 28, in this example in the form of a three-part socket.
  • the three-part socket 28 is stiffened with an over-spring 30 and with a connecting portion 32 which extends parallel to the contact plate 26, integrally stamped and formed with the holding frame 20.
  • the clamping spring 60 is substantially V-shaped and comprises a clamping leg 72, an actuating leg 74, a knee section 76 connecting the clamping leg and the actuating leg.
  • each locking projections 80a, 80b are integrally formed laterally, which engage audibly behind locking lugs 34a, 34b.
  • the actuating leg 74 further includes a slightly widened actuating portion 82 at the opposite end of the bearing 14 on which the user presses to close the contact terminal 10.
  • the lateral cheeks 62a, 62b are bent downwards vertically and embrace the lateral cheeks 22a, 22b of the holding frame 20.
  • the lateral cheeks 62a, 62b are transverse to the pivot axis 14 is substantially L-shaped with a downwardly extending curved one. Connecting portion 86 a, 86 b and a substantially straight and vertically downwardly extending Guide section 88a, 88b.
  • the openings 64a, 64b are respectively arranged at the rear, the insertion side facing the end of the guide portion 88a, 88b.
  • the L-shaped hooks 36a, 36b on the one hand form a securing stop upward and a lateral securing against bending for the two cheeks 62a, 62b by lateral guidance, so that a popping of the bearing in the closed pivoting position (FIG. Fig. 2, 4 ) is securely prevented, even if a large force acts on the clamping spring 60.
  • the clamping leg 72 has lateral constrictions 73a, 73b, which run asymmetrically arcuately and provide for a reduction in the bending stiffness.
  • the clamping leg 72 has at its lower end a again in full width designed clamping portion 92, with the lower edge 94, the conductor end is clamped and thus defines the nip 95.
  • FIG. 8 is the general V-shape of the clamping spring 60, formed by the clamping leg 72, the actuating leg 74 and the knee section 76, clearly visible.
  • a special feature of the invention is shown, namely the insertion of the conductor end in the closed contact terminal 10.
  • the conductor end 16 is inserted transversely to the axis of rotation 14 of the insertion side 12 in the insertion direction E in the contact terminal 10 linear.
  • the conductor end 16 first abuts with its upper edge approximately in the middle against the clamping leg 72 and, if not already down on the bottom 158 of the housing 160, led down.
  • the housing bottom 158 which in the Fig. 9-11 is only partially shown, leads the contact portion at the insertion flat and should be formed at its top approximately flush with the base or contact plate 26 of the support frame 20 to allow a hook-free insertion of the conductor end 16.
  • the clamping leg 72 springs upward and the contact portion 18 of the contact terminal 10 piece by piece free.
  • Fig. 11 shows the fully inserted in the insertion direction E in the contact terminal conductor end 16 in the end position or nominal contact position.
  • the clamping leg 72 clamped with the clamping edge 94 of the clamping portion 92, the conductor end 16 against the contact plate 26 to make the electrical contact.
  • a tensile force K z counter to the insertion direction E on the conductor end 16 acts in the closing direction of the clamping spring 92 acting normal component K N. This increases the pull-out force and thus ensures a permanent connection. In other words, the tensile force K Z causes a tightening of the clamping connection.
  • the housing 160 of the connector 110 is formed in this example in three parts with a sleeve-shaped housing 162, a Holding member 164 and a cap nut 166.
  • the contact terminal 10 is latched with upwardly extending latching tabs 172a, 172b in the holding part 164.
  • the holding part 164 is substantially U-shaped in cross section, so that the contact terminal 10 can be inserted from above.
  • the operating portion 74 of the clamping spring 60 projects upwards out of the holding part 164, so that the contact clamp can be comfortably closed with the finger.
  • Fig. 14 extends the clamping leg 72 of the clamping spring 60 in the open state approximately parallel to the insertion direction E, so that in this example, the clamping spring 60 sweeps over a pivot angle of about 45 °.
  • the union nut 166 is screwed with its thread 174 on the thread 176 of the holding part 164, wherein an elastomeric sealing sleeve 178 is inserted into a crimping crown 180 at the insertion end of the holding part 164.
  • the user need only hold the rear Kunststoffanördnung 182 from the parts 10, 164, 166, 178 and the front sleeve-shaped surrounding housing 162 and can freely insert the conductor end through the insertion opening 184 in the union nut 166 in the open contact terminal 10.
  • the closed contact terminal 10 can be completely installed in the housing 160 and the housing 160 can be closed by screwing. It is only necessary to ensure that the elastomeric sealing sleeve 178 is not completely crushed.
  • the conductor end 16 is inserted into the assembled, but not yet screwed connector in the insertion direction E through the insertion opening 184 in the connector housing 160 and the contact, as shown in the Fig. 9-11 is shown prepared. Subsequently, only the housing 160 is screwed tightly to seal with the elastomeric sealing sleeve 178, the sheath (not shown) of the conductor.
  • Fig. 16 It is shown that the projecting plug contact 28 in the housing 160, more precisely in the sleeve-shaped housing 162, which is designed as a front plug-in part, is housed.
  • the front housing plug 162 has a tubular projection 190 to define the front plug housing.
  • Connecting means 192 in the form of latching hook in the insertion direction, which is equal to the insertion direction E, projecting from the housing, allow the connection with a complementary mating connector, not shown.
  • connector housing 160 secures a clamping rib 194 inside the sleeve-shaped housing 162, the clamping spring 60 by abutment against its operating portion 74 against unintentional opening, which further increases the contact reliability.

Claims (20)

  1. Connecteur électrique enfichable (110) comprenant un boîtier diélectrique (160) et une borne de contact (10) logée dans le boîtier pour connecter une extrémité de conducteur (16) à un contact électrique (28), et comprenant un côté introduction (12) par lequel l'extrémité de conducteur (16) peut être introduite dans la borne de contact (10), caractérisé en ce que la borne de contact (10) comprend une monture (20) munie d'une portion de contact (26) avec laquelle l'extrémité de conducteur (16) peut être mise en contact, et un ressort de serrage (60) conformé en levier basculant, le levier basculant étant monté à pivotement dans la monture (20) et pouvant pivoter alternativement entre une position de pivotement ouverte et une position de pivotement fermée, le ressort de serrage (60) comprenant une branche de serrage (72) et une branche de manoeuvre (74), la branche de serrage (72) serrant, dans la position de pivotement fermée, l'extrémité de conducteur (16) contre la portion de contact (26) lorsque l'extrémité de conducteur (16) est introduite en position de contact de consigne (fig. 11) dans la borne de contact (10) pour établir le contact électrique entre l'extrémité de conducteur (16) et la portion de contact (26), la branche de serrage (72) étant, dans la position de pivotement ouverte, éloignée de la portion de contact (26) et dégageant la zone de contact (18) de la borne de contact (10), de sorte que, dans la position de pivotement ouverte, l'extrémité de conducteur (16) peut, d'une part, être introduite dans la borne de contact (10) et, d'autre part, est libérée pour être retirée de la borne de contact (10), la branche de serrage (72) s'étendant, dans la position de pivotement fermée, en biais (γ) par rapport à la portion de contact (26) et étant pourvue d'une mobilité élastique, de sorte que, dans la position de pivotement fermée, l'extrémité de conducteur (16) peut être introduite en position de contact de consigne dans la borne de contact (10) en soulevant élastiquement la branche de serrage (72), de sorte que l'extrémité de conducteur peut être introduite dans la borne de contact aussi bien dans la position de pivotement ouverte que dans la position de pivotement fermée, et que la branche de manoeuvre (74) est accessible dans un état monté du boîtier (160), de sorte qu'après une introduction de l'extrémité de conducteur dans la position de pivotement ouverte, la borne de contact (10) peut être fermée par l'utilisateur.
  2. Connecteur enfichable (110) selon la revendication 1, le point de pivotement (14) étant disposé, par rapport au sens d'introduction (E), avant le point de serrage (94) de la branche de serrage (72) sur l'extrémité de conducteur (16), et, dans la position de pivotement fermée, la branche de serrage (72) s'étendant en biais, dans le sens d'introduction, du pivot (14) vers le point de serrage (94) en direction de la portion de contact (26), et la branche de serrage (72) se soulevant dans le sens d'introduction (E) lors du passage de la position de pivotement fermée à la position de pivotement ouverte.
  3. Connecteur enfichable (110) selon la revendication 1 ou 2, la rigidité flexionnelle du ressort de serrage (60) étant prévue de sorte que, dans la position de pivotement fermée (fig. 9-11), la branche de serrage peut être soulevée élastiquement par l'introduction de l'extrémité de conducteur (16) jusqu'à ce que l'extrémité de conducteur (16) puisse être poussée en position de contact de consigne (fig. 11) dans la borne de contact (10).
  4. Connecteur enfichable (110) selon la revendication 3, le ressort de serrage (60) étant découpé d'une seule pièce dans une tôle métallique pour ressorts et mis en forme.
  5. Connecteur enfichable (110) selon la revendication 3 ou 4, le ressort de serrage (60) étant conformé en levier coudé et, entre la branche de manoeuvre (74) et la branche de serrage (72), étant disposée une portion à genouillère coudée (76).
  6. Connecteur enfichable (110) selon la revendication 5, la branche de manoeuvre (74), la portion à genouillère (76) et la branche de serrage (72) formant sensiblement une forme en V.
  7. Connecteur enfichable (110) selon une des revendications précédentes, la branche de serrage (72) étant conformée en branche de serrage à ressort élastique (72), de sorte que, dans la position de pivotement fermée, lors du soulèvement de la branche de serrage à ressort (72) par l'extrémité de conducteur (16), la branche de serrage à ressort (72) s'éloigne élastiquement de la portion de contact (26) et que, dans la position de contact de consigne de l'extrémité de conducteur (16), le moment de flexion de la branche de serrage à ressort (72) produise au moins une partie de la force normale de serrage exercée sur l'extrémité de conducteur (16).
  8. Connecteur enfichable (110) selon une des revendications précédentes, la branche de serrage (72) comportant une extrémité de serrage libre (94), avec laquelle l'extrémité de conducteur (16) est serrée, et une portion principale, la portion principale s'étendant, dans la position de pivotement fermée, dans le sens d'introduction (E), en biais du côté introduction (12) vers le point de serrage (94) en direction de la portion de contact (26), et l'extrémité de serrage libre (94) étant pliée à l'opposé du sens d'introduction (E), de sorte que, dans la position de pivotement fermée, l'extrémité de conducteur (16) étant introduite, l'extrémité de serrage libre (94) forme avec la portion de contact (26) de la monture (20) un angle plus obtus que la portion principale.
  9. Connecteur enfichable (110) selon la revendication 8, la portion principale de la branche de serrage à ressort (72) comportant un rétrécissement (73a, 73b) qui réduit la rigidité flexionnelle de la branche de serrage à ressort (72) au niveau du rétrécissement.
  10. Connecteur enfichable (110) selon une des revendications 3 à 9, la branche de manoeuvre (74) comportant, dans la position de pivotement fermée, une portion de manoeuvre (82) positionnée à distance du pivot (14), de façon que, lorsque l'utilisateur appuie sur la portion de manoeuvre (82), le ressort de serrage (60) pivote et ferme ainsi la borne de contact (10), et, dans la position de pivotement fermée, la branche de manoeuvre (74), depuis le pivot (14) jusqu'à la branche de manoeuvre (82), s'étend dans le sens d'introduction (E).
  11. Connecteur enfichable (110) selon une des revendications 3 à 10, des moyens d'encliquetage (80a, 80b, 34a, 34b) étant prévus entre le ressort de serrage (60) et la monture (20), et, dans la position de pivotement fermée, le ressort de serrage (60) s'encliquetant sur la monture (20).
  12. Connecteur enfichable selon la revendication 11, le ressort de serrage (60) comportant une portion d'encliquetage (78) qui se trouve à l'extrémité du ressort de serrage (60) située à l'opposé de l'extrémité de serrage libre (94), la portion d'encliquetage (78) étant coudée par rapport à la branche de manoeuvre (74) en direction de la monture (20), et les moyens d'encliquetage étant disposés sur la portion d'encliquetage (26).
  13. Connecteur enfichable (110) selon une des revendications 3 à 12, la monture (20) étant conformée sensiblement en U, comportant deux joues latérales (22a, 22b) sur lesquelles le ressort de serrage (60) est monté à pivotement, et comportant une base qui relie entre elles les deux joues (22a, 22b), et la base formant la portion de contact (26).
  14. Connecteur enfichable (110) selon la revendication 113, le ressort de serrage (60) comportant deux joues coudées latéralement (62a, 62b), et le point de pivotement (14) du ressort de serrage (60) étant prévu sur les joues latérales (62a, 62b) du ressort de serrage (60) et sur les joues latérales (22a, 22b) de la monture en U (20).
  15. Connecteur enfichable (110) selon une des revendications précédentes, la monture (20) et le ressort de serrage (60) comportant des moyens de butée (90a, 90b, 36a, 36b) complémentaires entre eux, qui, dans la position de pivotement fermée, forment une sécurité mécanique contre une désolidarisation accidentelle du point de pivotement (14).
  16. Connecteur enfichable (110) selon une des revendications précédentes, la monture (20) comportant, sur le côté situé à l'opposé du côté introduction (12) de l'extrémité de conducteur, un élément de liaison électrique rigide (28) orienté dans le sens d'introduction (E), et la borne de contact (10) établissant un contact électrique entre l'extrémité de conducteur (16) et l'élément de liaison (28).
  17. Connecteur enfichable (110) selon une des revendications précédentes, le boîtier (160) étant conformé au moins en deux parties et comprenant une partie de maintien (164), à laquelle la borne de contact (10) est fixée, et une partie de boîtier enveloppante en forme de manchon (162), la partie de boîtier enveloppante (162) entourant, à l'état monté, au moins partiellement la partie de maintien (164).
  18. Connecteur enfichable (110) selon la revendication 17, la partie de boîtier enveloppante en forme de manchon (162) comportant une portion intérieure de sécurité (194) qui, à l'état monté, est appliquée contre le ressort de serrage (60) et empêche donc le ressort de serrage (60) de se soulever accidentellement.
  19. Connecteur enfichable (110) selon la revendication 17 ou 18, le boîtier (160) comportant encore une partie de recouvrement en forme de manchon (166) qui, à l'état monté, est en prise avec la partie de boîtier enveloppante en forme de manchon (162) et entoure la borne de contact (10) et la partie de maintien (164) conjointement avec la partie de boîtier enveloppante en forme de manchon (162).
  20. Borne de contact (10) pour le connecteur enfichable (110) selon une des revendications précédentes, comprenant une monture découpée dans du métal et mise en forme, avec une section transversale sensiblement en U (20) dans le sens d'introduction (E), avec une portion de contact (26) permettant de mettre en contact l'extrémité de conducteur (16) et avec l'élément de liaison (28) qui est relié à la monture (20) de manière rigide, comprenant un ressort de serrage coudé (60) découpé d'une seule pièce dans de la tôle métallique pour ressorts et mis en forme, avec une branche de manoeuvre (74), une branche de serrage (72) et une portion à genouillère (76) reliant la branche de manoeuvre (74) et la branche de serrage (72), le ressort de serrage (60) étant monté à pivotement comme levier basculant dans la monture (20), sensiblement autour de la portion à genouillère (76), et pouvant pivoter alternativement entre une position de pivotement ouverte et une position de pivotement fermée (fig. 1), le point de pivotement du ressort de serrage (60) étant disposé, par rapport au sens d'introduction (E), avant le point de serrage (94), et la branche de serrage (72) comportant une extrémité de serrage libre (94) et une portion principale élastique disposée entre le point de pivotement (14) et l'extrémité de serrage libre (94), la portion principale s'étendant, dans la position de pivotement fermée, dans le sens d'introduction (E), en biais du point de pivotement (14) vers le point de serrage (94) en direction de la portion de contact (26), la branche de serrage (72) étant, dans la position de pivotement ouverte du ressort de serrage (60), éloignée de la portion de contact (26) dans le sens d'introduction (E) et dégageant la zone de contact (18) de la borne de contact (10) au niveau de la portion de contact (26), de sorte que, dans la position de pivotement ouverte, l'extrémité de conducteur (16) peut, d'une part, être introduite librement dans la borne de contact et, d'autre part, est libérée pour être retirée de la borne de contact (10), la rigidité flexionnelle du ressort de serrage (60) étant prévue de sorte que l'introduction de l'extrémité de conducteur (16) dans la borne de contact fermée (10) avec une force pouvant être exercée par l'extrémité de conducteur (16) permette d'écarter la branche de serrage (72) de la portion de contact (26) à l'encontre du moment de flexion du ressort de serrage (60), de sorte que l'extrémité de conducteur (16) peut être introduite par friction entre l'extrémité de serrage libre (94) de la branche de serrage (72) et la portion de contact (26) jusqu'à la position de contact de consigne de la borne de contact (10) sans avoir à ouvrir le ressort de serrage (60), caractérisée en ce que, dans la position de pivotement fermée, le ressort de serrage (60) est encliqueté dans la monture (20) et l'extrémité de serrage libre (94) serre l'extrémité de conducteur (16) avec une précontrainte en établissant un contact avec la portion de contact (26) lorsque l'extrémité de conducteur (16) est introduite en position de contact de consigne dans la borne de contact (10) pour établir le contact entre l'extrémité de conducteur (16) et la portion de contact (26).
EP09767983.1A 2008-12-10 2009-12-08 Borne de connexion et conducteur de raccordement avec borne de connexion Active EP2356721B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11005784.1A EP2381536B1 (fr) 2008-12-10 2009-12-08 Pinces de contact et connexion dotée de pinces de contact

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008061268.5A DE102008061268B4 (de) 2008-12-10 2008-12-10 Kontaktklemme und Verbinder mit Kontaktklemme
PCT/EP2009/008750 WO2010066399A1 (fr) 2008-12-10 2009-12-08 Borne de connexion et conducteur de raccordement avec borne de connexion

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP11005784.1A Division-Into EP2381536B1 (fr) 2008-12-10 2009-12-08 Pinces de contact et connexion dotée de pinces de contact
EP11005784.1A Division EP2381536B1 (fr) 2008-12-10 2009-12-08 Pinces de contact et connexion dotée de pinces de contact

Publications (2)

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EP2356721A1 EP2356721A1 (fr) 2011-08-17
EP2356721B1 true EP2356721B1 (fr) 2015-10-14

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EP09767983.1A Active EP2356721B1 (fr) 2008-12-10 2009-12-08 Borne de connexion et conducteur de raccordement avec borne de connexion
EP11005784.1A Active EP2381536B1 (fr) 2008-12-10 2009-12-08 Pinces de contact et connexion dotée de pinces de contact

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US (1) US8727819B2 (fr)
EP (2) EP2356721B1 (fr)
JP (1) JP5697602B2 (fr)
CN (2) CN103531921B (fr)
BR (2) BRPI0922446B1 (fr)
DE (1) DE102008061268B4 (fr)
ES (2) ES2669040T3 (fr)
WO (1) WO2010066399A1 (fr)

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DE102008061268B4 (de) 2017-02-23
BRPI0922446A2 (pt) 2020-08-11
JP2012511795A (ja) 2012-05-24
EP2356721A1 (fr) 2011-08-17
CN103531921B (zh) 2016-05-25
DE102008061268A1 (de) 2010-06-24
JP5697602B2 (ja) 2015-04-08
US8727819B2 (en) 2014-05-20
CN102282725B (zh) 2015-04-01
BRPI0922446B1 (pt) 2021-01-12
WO2010066399A1 (fr) 2010-06-17
ES2558135T3 (es) 2016-02-02
US20110318975A1 (en) 2011-12-29
EP2381536A2 (fr) 2011-10-26
EP2381536B1 (fr) 2018-04-11
BR122020023680B1 (pt) 2021-03-09
EP2381536A3 (fr) 2014-05-14
CN103531921A (zh) 2014-01-22
ES2669040T3 (es) 2018-05-23
CN102282725A (zh) 2011-12-14

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