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EP3050168B1 - Connecteur électrique - Google Patents

Connecteur électrique Download PDF

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Publication number
EP3050168B1
EP3050168B1 EP14776613.3A EP14776613A EP3050168B1 EP 3050168 B1 EP3050168 B1 EP 3050168B1 EP 14776613 A EP14776613 A EP 14776613A EP 3050168 B1 EP3050168 B1 EP 3050168B1
Authority
EP
European Patent Office
Prior art keywords
clamping
connection terminal
limb
clamping spring
insert
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
EP14776613.3A
Other languages
German (de)
English (en)
Other versions
EP3050168A1 (fr
Inventor
Andreas Wendt
Ralf Beckmann
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
Publication of EP3050168A1 publication Critical patent/EP3050168A1/fr
Application granted granted Critical
Publication of EP3050168B1 publication Critical patent/EP3050168B1/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
    • 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
    • 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
    • H01R4/4819—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 the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5008—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using rotatable cam
    • 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
    • H01R4/4811—Spring details
    • H01R4/4814—Self-latching arrangements
    • 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
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • 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
    • H01R4/4846—Busbar details
    • H01R4/4852—Means for improving the contact with the conductor, e.g. uneven wire-receiving surface

Definitions

  • the present invention relates to an electrical terminal for connecting at least one conductor and in particular an electrical terminal, which is also suitable for connecting conductors with large cross-sections.
  • various terminals have become known, which are suitable for the connection of conductors of large diameter.
  • conductors with large cross-sections can be connected to screw terminals.
  • the conductor is clamped to the electrical terminal via a screw connection.
  • a disadvantage of screw terminals is usually that a simple swinging a stripped conductor from above is not readily possible. This leads in particular to large and solid conductors to the fact that the assembly is considerably more difficult because the conductor has to be bent over and inserted axially from the front into the screw terminal before the conductor can be clamped.
  • the clamping lever comprises a plurality of clamping springs and a clamping foot at the end of the clamping springs to clamp a recorded conductor to the current bar.
  • the Clamping lever is connected to a hand lever over which the actuation takes place.
  • the known terminal works basically satisfactory.
  • the hand lever at the front end on a tool holder into which, for example, a screwdriver can be inserted to operate the terminal with relatively small forces can.
  • the known terminal basically works satisfactorily, in some installation situations, the operation can be difficult
  • a connection terminal serves for the electrically contacting connection of at least one conductor to a current bar received on a holder.
  • at least one clamping spring with a first leg and a second leg, wherein the clamping spring is provided for applying at least a portion of a clamping force for clamping the conductor.
  • an actuating device which comprises the clamping spring.
  • an insert device is arranged, which provides an abutment for a tool in the operation of the actuator.
  • the terminal according to the invention has many advantages.
  • a considerable advantage of the connecting terminal according to the invention is that an operating device in the form of, for example, an insert part is arranged or accommodated on the actuating device.
  • the inserter provides an abutment for a tool so that a tool such as a screwdriver can be used for actuation.
  • By arranging an inserting device between the first leg and the second leg of the clamping spring it is possible to influence the operating angle, for example.
  • a suitable inserting device can be provided in each case for different installation situations. This can exist with the same basic design several variants, which are optimized for different applications or construction situations. This can be achieved in simple cases by exchangeable inserts. It is possible in this case, the replacement of the insert device when needed on site or the direct production of appropriate terminals. In any case, less different parts are needed in the storage.
  • the insertion device has a receiving opening for receiving a tool.
  • the receiving opening or the material surrounding the receiving opening material of the insert device to the counter bearing Available.
  • different insertion devices have different receiving openings for different operating angles.
  • an insert device has, for example, a plurality of receiving openings, which can be used depending on the desired operating angle as an abutment.
  • a flexible use of the connecting terminal according to the invention is made possible by means of different insertion devices or different receiving openings on an insertion device.
  • the field of use can be increased, while at the same time reducing the production costs, since only the appropriate inserts must be produced for the different applications, while the other components of the terminal can be identical or at least almost identical.
  • a tool opening is provided on the clamping spring, through which a tool for actuating is introduced.
  • the clamping spring then serves not only for applying the clamping force, but is also used as part of the actuator to open or close the terminal.
  • the tool opening on the clamping spring has an inner diameter which is larger than an inner diameter of the receiving opening of the inserting device. This allows in a simple way, the use of different deployment devices that z. B. differ in the angle of the receiving opening within the insertion device. To a certain extent, then the same Clamping springs are used, although the operating angle can differ significantly.
  • the insert device rests against the first leg and / or the second leg of the clamping spring at least in one position.
  • the particular in cross-section approximately C-shaped clamping spring takes in such a configuration, the insert device reliably between their legs. The insert device is thus secured between the legs of the clamping spring.
  • the clamping spring is designed in particular as a tension spring and is stretched to apply the clamping force.
  • An insert device with a solid trained insert body is then preferably in at least one position of the actuating device on the first leg and the second leg.
  • the inserting device may comprise an insert body and at least one holding leg extending away from it, forming at least one gap therefrom.
  • the retaining leg is preferably on a leg of the clamping spring and can be fixed there, z. B. clamped or glued or the like.
  • a second bearing limb is provided which extends away from the insert body to form a second gap and which rests against the other leg of the clamping spring and can be fixed there.
  • the gap between the holding leg and the insert body allows a safe concern of the inserting device on the leg of the clamping spring, even if the length of the clamping spring between the individual operating positions changed. This ensures even safer operation.
  • a covering cap is provided on the actuating device for covering.
  • an operating opening for introducing and carrying a tool is provided in the cap preferably aligned with the tool opening of the clamping spring, as well as it is the receiving opening on the inserting device. This means that a tool can be inserted through the operating opening of the cap and through the tool opening on the clamping spring into the receiving opening in the inserting device.
  • a cap allows mechanical protection of the actuator. Furthermore, thereby a touch protection of the individual components of the actuator is possible.
  • the cap consists entirely or at least partially of a plastic and preferably an insulating material. As a result, air and creepage distances can be increased.
  • At least one fixing element for fixing the covering cap is provided on the inserting device.
  • fixing elements of the covering cap can engage with fixing elements of the inserting device or the like in order to secure and in particular lock the covering cap to the actuating device and the inserting device to the actuating device.
  • a fixing element may in particular be designed as a latching lug.
  • the actuating device comprises a plug-in protection.
  • the clamping spring preferably has an approximately C-shaped configuration, wherein the open area between the first leg and the second leg of the clamping spring is aligned with the conductor receiving the terminal.
  • the open area of the "C" of the clamping spring is basically accessible from the conductor receiving. It is therefore preferred that the open area between the first leg and the second leg of the clamping spring is at least partially and preferably at least substantially and in particular completely covered by the plug-in protection, so that incorrect operation of the terminal is reliably avoided.
  • the inner region of the actuator with the clamping spring is better protected by the plug-in protection against contact and the like.
  • the plug-in protection can be attached directly to the insert body. It is possible that the plug-in protection is a separate component which is connected, for example, with the insert body of the insert device. In all embodiments, it is preferred that the plug-in protection is connected via a web to the insert body of the insert device. In this case, the plug-in protection is preferably formed integrally with the inserting device as a whole or the inserting element. The inserting device is preferably accommodated at least partially and in particular substantially between the two legs of the clamping spring.
  • the clamping spring is pivotally coupled to the first leg to a clamping lever and the second leg to an auxiliary lever.
  • the clamping lever and the Auxiliary lever preferably arranged pivotably on the holder.
  • first pivot axis and at least one second pivot axis spaced therefrom are arranged on the clamping lever.
  • the clamping spring preferably has a first axle receptacle and a second axle receptacle spaced therefrom.
  • the first axle receptacle is provided at the end of the first leg and the second axle receptacle is provided at the end of the second leg of the clamping spring.
  • an auxiliary lever is provided which has a first rotary unit and at least one second rotary unit spaced therefrom. This means that the clamping lever, the clamping spring and preferably the auxiliary lever each have two separate joint points remote from each other.
  • the clamping lever is pivotally mounted on the holder via the first pivot axis.
  • the first axle receiving the clamping spring is provided on the first leg of the clamping spring and it is provided the second axle receiving the clamping spring on the second leg of the clamping spring.
  • the arranged on the first leg first axle receiving the clamping spring is coupled to the second pivot axis of the clamping lever.
  • the first rotary unit of the auxiliary lever has an axis which is pivotally connected to the second axle receptacle on the second leg of the clamping spring.
  • the second rotary unit of the auxiliary lever is pivotally mounted on the holder.
  • the second rotary unit of the auxiliary lever has a rounded outer contour, which is pivotally received on an adapted rounded recess of the holder.
  • the outer contour and the recess each have a circular shape or the shape of a circle segment.
  • the second rotary unit of the auxiliary lever is pivotally or rotatably received on the rounded outer contour of the holder and preferably supported.
  • the second rotation unit of the auxiliary lever includes an opening into which a guide shaft is inserted.
  • the second rotary unit can be rotatably mounted on the guide axis at the opening.
  • the guide axis in the opening is not used for the transmission of forces, but essentially only for guidance.
  • the guide axis may for example be part of the housing and, for example, consist of a plastic pin which is pivoted or clipped into the opening.
  • the guide axis may be an axle on the holder or else to be introduced separately into the holder in order to pivotally receive and / or support the auxiliary lever on the second rotary unit.
  • the clamping spring is part of the actuating device.
  • an opening angle at the conductor receiving between the current bar and the clamping lever in the open state is greater than 45 ° and in particular greater than 60 °, preferably greater than 75 °. Also opening angle of 90 ° and more are possible on the terminal according to the invention.
  • the terminal comprises a terminal housing on which a pivotable actuator is provided. The actuating device is configured to clamp a conductor to a conductor receptacle in a contact position and to release and / or receive a conductor on the conductor receptacle in an open position.
  • the actuating device has a clamping spring and a cap which surrounds at least the clamping spring and fixes an inserting device received on the clamping spring.
  • a connection terminal has at least one further feature, which has been described above.
  • the terminal can be designed as a feed-through terminal.
  • FIG. 1 side by side two perspective views of a terminal 100, namely left in the clamping state or in the contact position 145 and right next to it in the open state or in the open position 144th
  • the terminal 100 has a terminal housing 150 and is intended to abut with the abutment portion 172 on a wall 502 of an electrical device 500 (see. Fig. 2 ).
  • the conductor receptacle 115 is largely closed in the contact position 145, while in the open position 144 results in a particularly large opening angle between the current bar and the clamping lever, which can reach 75 ° or more.
  • a pivoting in of a conductor (cf. Fig. 11 ) in the conductor receptacle 115 allows, which can greatly facilitate the connection especially for conductors of several square millimeters in cross-section.
  • the terminal housing 150 is in particular made of an electrically non-conductive material and preferably a plastic.
  • the contact portion 172 may be provided as a circumferential web, with which the terminal 100 is supported on the wall 502 circumferentially. It is also possible that the abutment portion 172 consists of several segments or individual support elements.
  • the actuating device 103 comprises a cover housing in the form of a cover cap 153.
  • the cover 153 here consists of an insulating material and protects the interior of the actuator 103 and also the interior of the terminal 100 from mechanical contact. The air and creepage distances are considerably increased by the cap 153.
  • the terminal housing 150 may include an outer housing 170 and an inner housing 160 to which the bracket 108 is received.
  • the holder 108 is preferably made of metal and in particular of a bending-punching part.
  • the outer and the inner housing are preferably made of a plastic.
  • On the inner housing 160, the holder 108 is received during assembly and it will be mounted the required metal and clamping parts.
  • the inner housing forms with the bracket 108 is a preassembled unit that only needs to be plugged into the outer housing 170 or in a to an electrical device 500 already present and there z. B. integrally formed with the wall outer housing must be inserted or locked.
  • the terminal 100 has the pivotable actuator 103. By pivoting the actuator 103, the terminal can be opened or closed again.
  • a gap 148 between the peripheral wall of the abutment portion 172 and the cap 153 of the actuator 103 arise, namely where in the contact position 145 of the shutter 149 is present.
  • the actuator 103 pivoted to the rear, the closure web 149 is pivoted through the wall bushing 154 and thus through the wall 502 in the electrical device 500 into it.
  • a gap 148 is created between the wall 172 and the cover cap 153 at the position where the closure bar 149 was previously arranged.
  • the gap 148 When pivoting further into the open position 144, the gap 148 is finally closed again by the deflector 185, so that no gap 148 exists in the open position is available.
  • the gap 148 is spaced from the conductor receptacle 115 and independent of the conductor receptacle 155.
  • Fig. 2 shows a highly schematic plan view of an electrical device 500 with a wall 502, to which a terminal 100 is received, from the in Fig. 2 for clarity, only the outer housing 170 is shown.
  • lugs 177 and 178 are provided, on which the inner housing 160 is locked during assembly.
  • Fig. 2 the shape of the locking units 210 can be seen, which are designed as latching arms 211.
  • the outwardly of the terminal housing 150 away extending legs of the latching arms 211 are covered here by acting as an abutment member 173 support wall.
  • the width of the support wall 173 corresponds exactly to the outer distance of the two in Fig. 2 visible latching arms 211. This will ensure, as still with respect to the Fig. 4 It is explained that while the latching arms can momentarily pivot inwards when mounted on the wall 502 inwardly, but are later held outwardly by the latching units 220 cooperating with the latching arms, the cross section of the wall ducting 154 remains free.
  • Fig. 3 shows a perspective view of the terminal housing 150 and its outer housing 170 with the first housing portion 140 on a first side 142 of the contact portion 172 and thus outside of the electrical device 500.
  • the second housing portion 141 is disposed within the housing 501.
  • the second housing section 141 serves as a fastening section, on which the abutment elements 173 together with the latching arms 211 and the walls 174 provide a peripheral wall.
  • the interior of the second housing portion 141 is mechanically protected from influences and touches when z. B. the actuator 103 is partially immersed in the second housing portion 141.
  • the latching arms 211 are configured at the free ends 216 approximately U-shaped. Between the returning leg 215 and the latching arm 211, a groove 213 is provided, in which a part of the latching unit 220 is immersed.
  • an engagement unit 217 is provided, which here forms as a latching toothing or comprises a plurality of latching teeth.
  • the latching teeth 217 on the opposite latching arms 211 are each arranged on the outer surfaces facing away from each other, each transverse to the transverse direction 204 (see. Fig. 4 ) lie.
  • the outer surfaces may be arranged perpendicular to the transverse direction 204, but are arranged in particular at a slight angle between 0 ° and 30 ° thereto.
  • the latching arms 211 can deflect elastically during assembly.
  • Fig. 4 shows a mounted on a wall 502 of an electrical device 500 terminal 100, in which a part of the second housing portion 141 of the terminal housing 150 is schematically visible behind the wall 501.
  • the terminal housing 150 is also suitable for use with other electrical connection terminals.
  • a latching system 201 For fastening the connection terminal 100, a latching system 201 is provided, which here comprises four latching units 210 and four latching units 220.
  • the locking units 210 are formed as resiliently received on the terminal housing 150 latching arms 211, which extend to its free end 216 back.
  • the latching arms 211 are U-shaped, so that the latching groove 213 is suitable for receiving the latching units 220.
  • the latching units 220 designed as latching connectors 221 can be individual separate parts, as shown in FIG Fig. 4 or they may be interconnected via, for example, a flexible connector 225 or a bracket, as shown in FIG Fig. 5 is shown enlarged.
  • Each snap-in connector 221 has a latching body 222, which has an approximately wedge-shaped structure 223, in order thereby to be able to effect clamping on walls 502 of different thicknesses.
  • the second housing portion 141 of the terminal housing 150 is pushed through the opening in the wall 502, wherein the elastic latching arms 211 briefly elastically bend inwardly when the respective latching arm 211 passes the wall 502. Thereafter, the latching arms 211 snap outward again. Then the terminal housing 150 can not be easily removed again become.
  • the locking units 220 are attached.
  • the latching connector 221 are plugged with its groove 226 on the legs 215 of the latching arms 211, so that the latching elements 217 on the transverse surface 224 in latching connection with the latching teeth 227 to the latching connectors 221 device.
  • the locking toothing 227 extends transversely to the connecting direction.
  • the locking teeth 217 and 227 are respectively provided on transverse surfaces 214 and 224, which abut each other in the mounted state.
  • the support wall 173 forms an abutment element, against which the adjacent latching arms 211 are supported. This ensures that the wall duct 154 or the space between the support walls 173 remains free. If an elastic latching arm 211 does not bend elastically outwardly again after being inserted into the wall 502, the latching arm 211 is pulled outwards by the latching connectors 221, since the latching connectors 221 are supported with their latching members 222 on the support wall 173 as an abutment ,
  • Fig. 6 shows a schematic perspective view of an open terminal 100 without outer housing 170 but with mounted inner housing 160 made of plastic, on which the holder 108 is received in metal.
  • the holder 108 of the terminal 100 has an approximately U-shaped cross section and consists here of a bending stamped part. On the holder 108 of the current bar 110 is added.
  • the terminal 100 is shown in the open position 144, in which a conductor to be connected can be pivoted from above into the conductor receptacle 115.
  • a ladder can also be inserted from the front.
  • Slants 161 and 162 are provided as an insertion aid in the plastic wall of the inner housing 160 on the conductor receptacle 115.
  • the detent openings 165 and 166 on the lateral outer walls are provided for receiving the lugs 177 and 178 on the inner walls of the outer housing 170, whereby the terminal housing is fixed in itself.
  • the actuator 103 is covered by a cap 153.
  • the deflector 155 closes the gap 148.
  • the wall 185 covers the conductor receptacle 115 at the top.
  • the wall 185 may define an insertion funnel for a tool. Such an insertion funnel can be provided when side walls connect the deflector 155 and the wall 185, so that the tool holder 109 is funnel-shaped surrounded by walls.
  • An opening 158 on the cap 153 can be seen laterally, with which an insert device 118 with projections 157 is latched from the inside.
  • the clamping lever 102 with the clamping edge 122, and the auxiliary lever 104 with the cross connector 105 can be seen.
  • the auxiliary lever 104 is rotatably received on the holder 108 about the axis of the pin 151.
  • the plug-in protection 156 can be seen here, which reliably prevents insertion of a conductor into the region of the clamping spring 101 above the conductor receptacle 115 in the open position 144.
  • Fig. 7 shows the insert 118 on the clamping spring 101.
  • the insert 118 is part of a multi-functional inner part 186.
  • the inner part 186 includes the insert 118 with the receiving opening 132 (see. Fig. 9 ) and the plug-in protection 156 and also the locking lugs in the form of projections 157 for fixing the cap 153.
  • the two locking lugs 157 are laterally outwardly and latch with the two side openings 158 in the cap 153.
  • the clamping spring 101 provides the required clamping force at the connection terminal 100.
  • the clamping spring 101 with its overall approximately C-shaped in side view has in the interior of the "C" on here designed as a plastic insert insert device 118, and serves as an abutment for a tool 120 (see. FIG. 9 ) in the operation of the terminal 100.
  • the clamping spring 101 is loaded here to train, so that in the load case, the two legs 136 and 137 of the clamping spring 101 from each other.
  • the "C" is opened in the direction of the conductor receptacle 115.
  • the clamping spring 101 also serves as an actuating device 103 or as an actuating lever and, in addition to the clamping spring 101, also comprises the plastic insert and the in Fig. 8 illustrated cap 153.
  • a tool opening 109 is provided, through which a tool 120 can be inserted as a screwdriver to the terminal 100 from the open state 144 in the clamping state 145 and back with the movement of the screwdriver to convict.
  • the receiving opening 132 or the wall surrounding the receiving opening 132 in the insert device 118 serves as an abutment during the actuation.
  • the insert device 118 has an insert body 118a, a retaining leg 118c, in particular an elastic design, and a gap 118b therebetween. This allows the inserter 118 also at Spring movements on the two legs 136, 137 of the clamping spring 101 is present.
  • the retaining leg 118c may be fixedly connected to the first leg 136 of the clamping spring 101 or clamped thereto.
  • the projections 157 engage with the openings 158 in the cap 153.
  • a web 187 is the plate-shaped plug-in protection 156 with the insert body 118a in particular integrally connected.
  • Fig. 8 shows the clamping spring 101 with the insert 118 and the mounted cap 153. At the opening 158 of the protrusion 157 of the insert 118 can be seen. At the bottom of the rear gate 149 and the top of the deflector 155 can be seen. If side walls are provided, as indicated by the dashed lines, an insertion funnel for the tool 120 is available.
  • FIG. 9 shows a schematic sectional side view of the terminal 100 with an insert 118, which is designed as a plastic insert. Only the bracket 108 is shown while the terminal housing 150 is in Fig. 9 not shown.
  • the electrical terminal 100 of the in Fig. 9 shown opening state 144 in the clamping state 145 transferred.
  • the clamping lever 102 On the clamping lever 102, the first pivot axis 113 and the second pivot axis 114 are received.
  • the clamping lever 102 is a total of the recorded on the bracket 108 first pivot axis 113 pivotable, so that with the pivoting of the clamping lever 102 and the clamping edge 122 of the clamping lever 102 is pivoted.
  • the first leg 136 of the clamping spring 101 is rotatably received.
  • the second leg 137 of the clamping spring 101 is opposite the first rotary unit 129 (see. FIGS. 11 and 12 ) of the auxiliary lever 104 pivotable.
  • the second rotary unit 130 of the auxiliary lever 104 is rotatably received on the circular recess 106 on the round recess 106 of the holder 108.
  • Fig. 9 the insert 118 is visible in section.
  • the plug-in protection 156 with the web 187 has been omitted here in the illustration.
  • a receiving opening 132 for receiving a tool 120 is provided in the insertion device 118.
  • an inner diameter 109a of the tool opening 109 in the clamping spring is provided with a larger diameter than the inner diameter 132a of the receiving opening 132 in the plastic insert 118.
  • the clamping spring 101 can be provided for use with different insert devices 118 or with plastic inserts with different receiving openings 132 , This allows the provision of different terminals 100, in which only the insert 118 differs and thus changes the operating angle.
  • Fig. 11 schematically shows two different angles, which are exemplified by arrows 133 are drawn.
  • the clamping lever 102 has two parallel side walls, between which the clamping edge 122 is provided. Also the Clamping lever 102 is designed here as a one-piece stamped and bent part.
  • a groove 116 is provided, in which a rod-shaped push-through protection 117 is executed, which is received in corresponding lateral openings in the walls 123 of the holder 108.
  • a fuse of the current bar 110 takes place in the axial direction and also a push-through protection for a conductor 126 is possible.
  • a groove 131 is provided in the current bar 110, which is arranged where the clamping edge 122 presses an inserted conductor 126 against the current bar 110.
  • conductor 126 can deform into the groove 131 during the clamping process, so that an effective pull-out protection can be ensured.
  • the first axle receptacle 127 can be seen cut on the first leg 136 of the clamping spring 101.
  • the second axle receptacle 128 can be seen cut, which surrounds the axis 112 of the first rotary unit 129 of the auxiliary lever 104.
  • Shown in section is the guide axis 151 in the hole 111 or the virtual axis of rotation of the second rotary unit 130 of the auxiliary lever 104.
  • FIG. 10 shows a plan view of the electrical terminal 100.
  • the tool opening 109 can be seen.
  • the auxiliary lever 104 engages with the cross connector 105, the second leg 137 of the clamping spring 101.
  • the clamping lever 102 has the right here aligned clamping edge 122 which engages in the clamping state in the groove 131 or presses a conductor against the groove 131 of the current bar 110.
  • FIG. 11 schematically a cable 125 is shown with an electrical conductor 126.
  • FIGS. 11 to 13 Various parts of the electrical terminal 100 have been omitted in order to better illustrate the function. So was in the FIGS. 11 to 13 the terminal housing 150 is omitted, as well as the holder 108. It should be noted, however, that the clamping lever 102 is fixedly connected to the holder 108 via the first pivot axis 113.
  • the second rotary unit 130 of the auxiliary lever 104 is supported with the round outer shape 107 at the correspondingly round recess 106 of the holder 108 here fixed, namely on the not shown here round recess 106 in the bracket 108th
  • a housing 501 of an electrical construction device 500 is shown in a very schematic and dashed manner in order to illustrate the movement sequences.
  • the opening angle 146 between the current bar 110 and the clamping edge 122 of the clamping lever 102 is here more than 75 ° and almost 90 °. Depending on the geometric design of the clamping lever 102, the opening angle 146 can be selected even larger. As a rule, however, this opening angle 146 is sufficient to be particularly rigid To be able to pivot in ladder 126 with large cross sections in the pivoting region 115 from above.
  • FIG. 11 shows FIG. 12 an intermediate state in which the clamping lever 102 has already been significantly pivoted. This is done by introducing a tool into the tool opening 109 on the clamping spring 101 and in the illustration according to FIG FIGS. 11 to 13 is pivoted clockwise.
  • the pivoting virtually powerless, since the distance between the two legs 136 and 137 of the clamping spring 101 is not or almost not changed and thus the spring tension practically does not change. This achieves a pleasant operation.
  • FIG. 13 shows the clamping state 145.
  • the clamping edge 122 is located in FIG. 13 in the groove 131 of the current bar 110 at.
  • the clamping spring 101 is tensioned, wherein the distance of the first leg 136 from the second leg 137 widens. Due to the stable clamping spring 101, therefore, a high clamping force is generated.
  • FIGS. 11 to 13 A comparison of FIGS. 11 to 13 shows that the actuator 103 in the contact position 145 after Fig. 13 to a greater extent on the first side 142 than in the open position 144 in FIG Fig. 11 in that the actuating device 103 at least partially and the clamping spring 101 even extends to the most essential part through the wall duct 154 on the second side 143 back.
  • the actuating device 103 and in particular the clamping spring 101 in the open position 144 at least partially immerse in the housing 501 of the electrical device.
  • In the open position 144 is a substantial part on the second side 142 and thus within the housing 501. In this case, there is a significant proportion of the volume, the mass and also the cross-sectional area on the second side 143.
  • the actuator 103 In the contact position 145, the actuator 103 remains substantially or even completely on the first side or outside 142.
  • the construction volume of the terminal can be significantly reduced. Part of the required volume is used on the inside of an electrical appliance where there is usually enough room. In particular, if on the second side of the terminal another connection is provided. It is possible z. B. that the current bar continues directly.
  • FIG. 13 In FIG. 13 is shown a self-inhibited state.
  • a dead center was exceeded, so that in the clamping state 145, the clamping spring 101 is slightly relaxed relative to the maximum bias. This achieves a stable state.
  • the self-inhibited State is here recognizable by the fact that the connecting line 119 between the axis 112 and the second pivot axis 114 just below the center of the hole 111 and the virtual axis of rotation of the second rotary unit 130 of the auxiliary lever 104 runs.
  • the clamping spring 101 when transferring the electrical connection terminal into the opening state 144, the clamping spring 101 must first be preloaded in order to overcome the dead center.
  • the second pivot axis 114 is in Fig. 13 shown dashed, since it is behind the second rotary unit 130 of the auxiliary lever 104 and thus would not actually be visible in this illustration.
  • the terminal is row capable and can be made of simple components.
  • the executed as a tilting lever clamp electrical terminal 100 has a dynamic leverage in which at the beginning of the closing operation, the clamping edge 122 covers a long way and in the further closing with little force a relatively long path is covered with the tool, resulting in a high clamping force is implemented.
  • Both the clamping spring 101 and the clamping lever 102 and the auxiliary lever 104 and the bracket 108 may be made of stamped and bent parts. This allows a simple and cost-effective production, also for mass production.
  • the maximum opening angle 146 can be very large, so that even the most massive ladder in the can be pivoted upwardly open swivel range 115.
  • the second rotary unit 130 may have a round outer contour 107 which engages in a correspondingly round recess 106 of the holder 108. This is possible because no tensile forces occur, so that at the hole 111 a simple plastic pin 151 of the housing 150 is sufficient.
  • Housing section 141 1st side, outside 142 2nd side, inside 143 Opening state, open position 144 Clamp status contact position 145 opening angle 146 gap 148 locking bar 149 Housing, terminal housing 150 spigot 151 cap 153 tool access 153a Wall bushing 154 deflector 155 Plug-in 156 Latch, projection 157 opening 158 inner housing 160 slope 161, 162 latching opening 165, 166 outer casing 170 Plant section, plant wall 172 Counter bearing element, retaining wall, wall 173 wall 174 nose 177, 178 wall 185 Multifunctional inner part 186 web 187 detent system 201 Ratchet direction, 1st direction 202 transversely 204 catch unit 210 detent arm 211 groove 212, 213 transverse surface 214 leg 215 Free end 216 engagement unit 217 catch unit 220 Rest connector 221 latching body 222 Wedge-like shape 223 transverse surface 224 Strap / connector 225 groove 226 locking teeth 227 electrical construction device 500 casing 501 wall 502

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Claims (16)

  1. Borne de raccordement (100) destiné au raccordement avec établissement de contact électrique d'au moins un conducteur (126) à une barre conductrice (110) accueillie au niveau d'une attache (108), comprenant au moins un ressort de blocage (101) doté d'une première branche (136) et d'une deuxième branche (137), le ressort de blocage (101) étant conçu pour appliquer une force de blocage destinée à bloquer le conducteur (126),
    un dispositif d'actionnement (103) étant présent, lequel comporte le ressort de blocage (101), caractérisée en ce qu'un dispositif d'opération (118) est disposé entre la première branche (136) et la deuxième branche (137) du ressort de blocage (101) réalisé sous la forme d'un ressort de traction, lequel fournit un point d'appui pour un outil (120) lors de l'actionnement du dispositif d'actionnement (103).
  2. Borne de raccordement (100) selon la revendication précédente, le dispositif d'opération (118) possédant une ouverture d'accueil (132) destinée à accueillir un outil (120), l'ouverture d'accueil (132) fournissant le point d'appui.
  3. Borne de raccordement (100) selon l'une des revendications précédentes, des dispositifs d'opération (118) différents étant présents, lesquels permettent des angles de commande différents.
  4. Borne de raccordement (100) selon la revendication 2 ou 3, un diamètre intérieur (109a) d'une ouverture d'outil (109) formée au niveau du ressort de blocage (101) étant supérieur à un diamètre intérieur (132a) de l'ouverture d'accueil (132).
  5. Borne de raccordement (100) selon l'une des revendications précédentes, le dispositif d'opération (118) reposant contre la première branche (136) et/ou la deuxième branche (137).
  6. Borne de raccordement (100) selon l'une des revendications précédentes, le dispositif d'opération (118) comportant un corps d'opération (118a) et au moins une branche de retenue (118c) qui s'étend en s'écartant de celui-ci en formant une fente (118b).
  7. Borne de raccordement (100) selon l'une des revendications précédentes, le dispositif d'actionnement (103) possédant un chapeau de recouvrement (153) servant au recouvrement, dans lequel se trouve notamment une ouverture de commande servant à l'introduction d'un outil (120).
  8. Borne de raccordement (100) selon la revendication précédente, des tenons d'encliquetage (157) destinés à la fixation du chapeau de recouvrement (153) se trouvant sur le dispositif d'opération (118).
  9. Borne de raccordement (100) selon l'une des revendications précédentes, le dispositif d'opération (118) et/ou le chapeau de recouvrement (153) étant au moins partiellement constitués d'une matière plastique et de préférence d'un matériau isolant.
  10. Borne de raccordement (100) selon l'une des revendications précédentes, le dispositif d'actionnement (103) comportant une protection anti-introduction (156).
  11. Borne de raccordement (100) selon l'une des revendications précédentes, le ressort de blocage (101) possédant une configuration approximativement en forme de C et une zone ouverte entre la première branche (136) et la deuxième branche (137) étant orientée vers un logement de conducteur (115).
  12. Borne de raccordement (100) selon la revendication 1, la zone ouverte entre la première branche (136) et la deuxième branche (137) étant au moins pour l'essentiel recouvert par la protection anti-introduction (156).
  13. Borne de raccordement (100) selon l'une des revendications 10 à 12, la protection anti-introduction (156) étant reliée par le biais d'un élément jointif (187) à un corps d'opération (118a) du dispositif d'opération (118).
  14. Borne de raccordement (100) selon l'une des revendications précédentes, le ressort de blocage (101) étant accouplé de manière articulée à un levier de blocage (102) par la première branche (136) et accouplé de manière articulée à un levier auxiliaire (104) par la deuxième branche (137), et le levier de blocage (102) et le levier auxiliaire (104) étant montés pivotants sur une attache (108).
  15. Borne de raccordement (100) selon la revendication précédente, un premier axe de pivotement (113) et au moins un deuxième axe de pivotement (114) espacé de celui-ci étant disposés sur le levier de blocage (102), et le ressort de blocage (101) disposant d'un premier logement d'axe (127) et d'au moins un deuxième logement d'axe (128) espacé de celui-ci, et un levier auxiliaire (104) étant présent, lequel disposé d'une première unité de rotation (129) et d'au moins une deuxième unité de rotation (130) espacée de celle-ci
  16. Borne de raccordement (100) selon l'une des revendications précédentes, un angle d'ouverture (146) entre la barre conductrice (110) et le levier de blocage (102) au niveau du logement de conducteur étant, à l'état ouvert, supérieur à 45° et notamment supérieur à 60° et de préférence supérieur à 75°.
EP14776613.3A 2013-09-23 2014-09-23 Connecteur électrique Active EP3050168B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013110481.9A DE102013110481A1 (de) 2013-09-23 2013-09-23 Elektrische Anschlussklemme
PCT/EP2014/070167 WO2015040227A1 (fr) 2013-09-23 2014-09-23 Borne de connexion électrique

Publications (2)

Publication Number Publication Date
EP3050168A1 EP3050168A1 (fr) 2016-08-03
EP3050168B1 true EP3050168B1 (fr) 2018-07-18

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EP14776613.3A Active EP3050168B1 (fr) 2013-09-23 2014-09-23 Connecteur électrique

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US (1) US9806462B2 (fr)
EP (1) EP3050168B1 (fr)
CN (1) CN105580205B (fr)
DE (1) DE102013110481A1 (fr)
WO (1) WO2015040227A1 (fr)

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DE102013110475A1 (de) * 2013-09-23 2015-03-26 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
DE102015100823B4 (de) * 2015-01-21 2021-12-09 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
LU93183B1 (de) * 2016-08-25 2018-03-28 Phoenix Contact Gmbh & Co Kg Intellectual Property Licenses & Standards Anschlussklemme
DE102016124891B4 (de) 2016-12-20 2019-03-21 Phoenix Contact Gmbh & Co. Kg Anschlussklemmensystem zum Anschließen zumindest einer elektrischen Leitung
DE102017111735B4 (de) 2017-05-30 2025-03-13 Phoenix Contact Gmbh & Co. Kg Anschlussklemmensystem zum Anschließen einer elektrischen Leitung
DE202018006172U1 (de) 2018-04-20 2019-06-06 Phoenix Contact Gmbh & Co. Kg Anschlussklemme zum Anschließen zumindest einer elektrischen Leitung
DE102018129949A1 (de) * 2018-11-27 2020-05-28 Phoenix Contact Gmbh & Co. Kg Federkraftklemme zum Verbinden von Leitern
DE102018129948A1 (de) * 2018-11-27 2020-05-28 Phoenix Contact Gmbh & Co. Kg Federkraftklemme zum Verbinden von Leitern
DE102020101321B4 (de) * 2020-01-21 2021-10-07 Phoenix Contact Gmbh & Co. Kg Baugruppe eines Elektronikgeräts mit einem Elektronikgehäuse und einer Grundleiste
EP4037104B1 (fr) * 2021-01-27 2024-11-20 Tyco Electronics France SAS Bloc terminal comprenant une barre conductrice avec une partie latérale
CN117060130A (zh) * 2023-09-14 2023-11-14 厦门广泓工贸有限公司 一种接线端子

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Also Published As

Publication number Publication date
EP3050168A1 (fr) 2016-08-03
CN105580205B (zh) 2018-12-28
WO2015040227A1 (fr) 2015-03-26
DE102013110481A1 (de) 2015-03-26
US9806462B2 (en) 2017-10-31
CN105580205A (zh) 2016-05-11
US20160211612A1 (en) 2016-07-21

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