EP2917971A1 - Connexion par borne à ressort et appareil électrique contenant ladite connexion - Google Patents

Connexion par borne à ressort et appareil électrique contenant ladite connexion

Info

Publication number
EP2917971A1
EP2917971A1 EP13789258.4A EP13789258A EP2917971A1 EP 2917971 A1 EP2917971 A1 EP 2917971A1 EP 13789258 A EP13789258 A EP 13789258A EP 2917971 A1 EP2917971 A1 EP 2917971A1
Authority
EP
European Patent Office
Prior art keywords
spring
clamping
busbar
bearing arm
terminal connection
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.)
Granted
Application number
EP13789258.4A
Other languages
German (de)
English (en)
Other versions
EP2917971B1 (fr
Inventor
Stephan Gassauer
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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 Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Priority to PL13789258T priority Critical patent/PL2917971T3/pl
Publication of EP2917971A1 publication Critical patent/EP2917971A1/fr
Application granted granted Critical
Publication of EP2917971B1 publication Critical patent/EP2917971B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release 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
    • 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
    • H01R4/48455—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar insertion of a wire only possible by pressing on the 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member

Definitions

  • the invention relates to a spring-force clamping connection with:
  • a clamping spring having a abutting portion which is supported on the bus bar, has a spring bow adjoining the abutment portion, has an operating portion which adjoins the spring bow and faces the abutment portion, and has a clamping portion which extends connects to the actuation section and extends from the actuation section in the direction of the busbar,
  • clamping portion has a conductor lead-through opening and the bus bar is passed through the conductor leadthrough opening and a terminal point for a conductor to be connected is present between the conductor rail and a transverse web delimiting the conductor lead-through opening
  • the invention further relates to an electrical device with an insulating material housing and with at least one such spring force clamping connection in the insulating material housing.
  • Spring-cage terminals are in a variety of forms z. B. from conductor terminals, box terminals, terminal blocks or installed in electrical equipment, such. As automation devices for industrial control or building automation known.
  • EP 1 213 791 B1 discloses an electrical connector with a cage tension spring with a self-supporting operating lever. This actuating lever is rotatably mounted on a bent busbar section.
  • DE 10 2008 060 282 A1 shows a tool-operated spring clamp for an electrical conductor, in which an actuating lever is suspended in an indentation of the abutment leg of a cage tension spring and laterally guided past at least one side leg of the cage tension spring.
  • the object is achieved with the Federkraftklemman gleich with the features of claim 1 and by the electrical device with the features of claim 10.
  • a bearing arm from the direction of the busbar through a slot in the clamping portion and / or in the actuating portion extends therethrough and cooperates for the movable mounting of the actuating element with the actuating element, wherein extending through the slot portion of the bearing arm is arranged in a region between the side edges of the clamping spring and carries the actuating element.
  • a bearing arm not as usual side of the Passing spring over, but pass through the bearing arm through a slot in the clamping portion and / or in the operating portion of the cage tension spring.
  • the actuating element adjacent to the bearing arm and is in its operation for exerting an actuating force on the operating portion of the clamping spring.
  • the cage-type tension spring with bearing arm arranged thereon and guided therethrough as well as with the actuating element can also be handled separately as an assembly and installed in a device which already provides a busbar.
  • the bearing arm is arranged centrally in the direction of the width of the clamping spring, that is, that the bearing arm is guided transversely to the extension direction of the busbar and transversely to the extension direction of the clamping portion and the contact portion of the Käfigzugfeder centered is particularly advantageous.
  • the bearing arm is thus located in the center, as viewed from the opposite side edges of the cage tension spring, where it is preferably arranged in the region of the clamping section. It is essential, however, that the bearing arm is not guided laterally past the clamping spring, ⁇
  • the bearing arm is formed in a preferred embodiment as an extension of the abutment portion integral with the clamping spring.
  • a Federblechabêt is cut or punched out of the contact portion and bent away in the direction of the operating portion of the contact portion and the bus bar disposed therein in the direction of actuating portion.
  • the actuator may then be pivotally mounted at the free end of the bearing arm.
  • the bearing arm at its end remote from the busbar has a pivot bearing and the actuating element is pivotally mounted in or on the pivot bearing.
  • it can also be mounted linearly movable on the exposed bearing arm.
  • another material tabs bent out of the clamping spring can be used for further guidance
  • This bearing arm may for example be formed from a plastic material.
  • the bearing arm can be integrally connected to the actuating element and pivotally or slidably mounted in the edge between contact portion of the clamping spring and the busbar.
  • the bearing arm at its end remote from the busbar has a pivot bearing and the actuating element is pivotally mounted in this pivot bearing.
  • the bearing arm and the actuator can be two separate parts z. B. be made of plastic material. It is also conceivable that the bearing arm and the actuating element are formed as an integral plastic part with a film hinge.
  • the bearing arm is preferably formed integrally with the actuating element.
  • an actuation of the cage clamp can be realized by opening the nip by a linearly displaceable pusher element, which is passed through the slot in the clamping portion and / or the actuating portion.
  • a very compact and self-supporting actuating element is realized, in which no larger actuating force is transmitted to the insulating material.
  • a particularly advantageous, self-supporting variant with linearly displaceable actuating element is achieved when the bearing arm is fixed to the busbar and the actuating element is arranged relative to the busbar linearly movable on the bearing arm.
  • Figure 1 Perspective view of a first embodiment of a spring-loaded clamping element with busbar, cage tension spring and a pivotally mounted on an integrally formed with the busbar bearing arm actuating element;
  • FIG. 3 shows a plan view of the spring-force clamping connection from FIGS. 1 and 2;
  • FIG. 5 - side view of a clamping spring of the first embodiment of the FederkraftklemmanBankes according to Figures 1 to 4;
  • FIG. 6 shows a perspective view of the cage tension spring from FIG. 5
  • Figure 7 Perspective view of a second embodiment of a spring terminal connection with separate arranged between the contact section and busbars bearing arm and hinged thereto actuator in front view;
  • FIG. 9 shows a side view of the second embodiment of the spring-force clamping connection according to FIGS. 7 and 8;
  • FIG. 10 shows a plan view of the spring-force clamping connection from FIGS. 7 to 9;
  • Figure 12 Perspective view of the second embodiment of the spring terminal connection with raised actuator in the open position
  • FIG. 13 is a perspective rear view of the opened spring terminal connection of FIG. 12;
  • FIG. 15 Perspective view of the cage tension spring for the second embodiment of the spring force terminal connection according to Figures 7 to 14;
  • FIG. 16 is a perspective rear view of the spring force terminal connection of FIG. 15;
  • FIG 17 Perspective view of the cage tension spring of Figures 15 and 16 from above;
  • Figure 20 Perspective view of an electrical device with insulating housing and built-in spring terminal connections of the second embodiment
  • Figure 21 is a plan view of the electrical device of Figure 20;
  • FIG. 22 shows a side sectional view through the electrical device according to FIG. 20 and 21 on average FF;
  • Figure 23 Perspective view of a third embodiment of a spring force terminal connection with linearly movable actuator from the back;
  • Figure 24 Perspective view of the third embodiment of a spring terminal connection in front view
  • FIG. 25 shows a top view of two cage-type tension springs arranged next to one another in the opened and closed state of the third embodiment of the spring-force clamping connection from FIGS. 23 and 24;
  • FIG. 26 shows a side view of the third embodiment of the spring-force clamping connection in section F-F of the opened cage-type tension spring
  • FIG. 27 is a side sectional view of the third embodiment of the spring-force clamping connection in section G-G of the closed cage tension spring.
  • FIG. 1 shows a perspective view of a first embodiment of a spring force clamping element 1.
  • the spring force clamping element 1 has a busbar 2, the free end is bent away to form a downwardly curved clamping edge 3 in a conventional manner upwards.
  • the busbar 2 is made narrower in the region of the free end.
  • a clamping spring 4 is mounted in the busbar 2.
  • the clamping spring 4 is formed as a known Käfigzugfeder.
  • a cage tension spring is a loop-shaped structure made of a resilient material.
  • the clamping spring 4 has a contact portion 5, which is supported on the busbar 2. In the illustrated embodiment, the contact portion is at least partially on the busbar 2.
  • a spring bow 6 connects.
  • the spring bow 6 passes into an operating section 7, which is opposite to the contact section 5. It is clear that contact section 5 and operating section 7 together with the spring bow 6 in cross-section are V-shaped. Of the operating portion 7 is a - y -
  • Bent clamping portion 8 which extends from the operating portion 7 down in the direction of contact section 5 and busbar 2.
  • the clamping portion 8 has in the central region a conductor passage opening 9 which is bounded at the lower free end of the clamping portion 8 by a transverse web 10. An introduced below the busbar 2 conductor is then guided by the busbar 2 downwardly displaced transverse web 10 through the conductor bushing opening 9 and clamped by the cross bar 10 on the busbar 2. The conductor is preferably clamped to the exposed clamping edge 3 of the busbar 2.
  • the clamping section 8 has through the shaped conductor lead-through opening 9 two lateral edge webs 1 1, which are connected to each other in the lower region by the transverse web 10.
  • the clearance created by the conductor lead-through opening 9 in the clamping section 8 is used for a bearing arm 12 which extends from the direction of the busbar 2 through the slot formed in the clamping section 8 in the illustrated embodiment with the aid of the conductor lead-through opening 9 and preferably above the transition from the actuating section 7 to the clamping section 8 ends.
  • a separate actuator 13 is pivotally mounted on the bearing arm 12 in the form of a lever arm. For this purpose, the free end of the bearing arm 12 is bent and a non-visible bearing axis is hooked into the bent end 14 of the bearing arm 12.
  • the actuating element 13 has two spaced-apart actuating fingers 15, between which the bearing arm 12 is received.
  • the actuating fingers 15 merge into a forwardly projecting head part 16, which connects the actuating fingers 15 with each other.
  • Head 16 and actuating finger 15 are integrally formed of a plastic material together with the non-visible bearing axis.
  • the actuating fingers 15 have in the direction of the clamping spring 4 adjacent to the actuating portion 7 adapted to the operating portion 7 waveform 1 such that the free ends of the actuating fingers 15 when pivoting the head part 16 down in the direction of the busbar 2 and contact section 5 and thereby move the operating section 7 in the direction of investment section 5.
  • the crossbar 10 of the clamping portion 8 moves away from the busbar 2 to open the clamping point formed by the crossbar 10 and the busbar 2 away.
  • FIG. 2 shows the spring force clamping connection 1 from FIG. 1 in a side view. It is clear that the bearing arm 12 is formed integrally with the clamping spring 4. It is punched or cut free from the sheet metal part of the contact section 5 and bent in the region of the free end of the contact section 5 out of this upwardly opposite to the extension direction of the clamping section 8.
  • the bearing arm 12 is not guided laterally past the clamping spring 4, but is arranged in the region between the side edges of the clamping spring 4. In the illustrated embodiment, the bearing arm 12 is passed between the edge webs 1 1 of the clamping portion 8 through the conductor passage opening 9 of the clamping portion 8.
  • FIG. 3 shows a top view of the spring-force clamping connection from FIGS. 1 and 2. It is clear that the actuating element 13 has a head part 16 with integral thereto actuating fingers 15. The actuating fingers 15 are spaced so far apart that they receive the bearing arm 12 with the bent free end 14 between them to pivot the actuating member 13 to the bearing arm 12.
  • the actuating opening 18 is provided for receiving the free end of an operating tool, such as a screwdriver, with which the lever arm for pivoting the actuating element 13 is extended upward and the operation is facilitated.
  • the actuating opening 18 is therefore designed to taper conically towards the bottom in the illustrated embodiment.
  • Figure 5 reveals a side view of the clamping spring 4, as used in the previously described embodiment of the spring terminal connection 1.
  • a bearing arm 12 is bent out of the contact portion 5 in the central region adjacent to the free end of the contact section 5.
  • the bearing arm 12 extends from the contact portion 5 opposite to the Roueckungsnchtung of the clamping portion 8 and ends above the transition between the operating portion 7 and clamping portion 8 in a bent free end 14.
  • a suitably trained actuator is then stored , In this way, a self-supporting lever-operated spring clamp terminal is realized with cage clamp, which is very compact, material-saving and simple.
  • FIG. 6 shows a perspective view of the clamping spring 4 from FIG. 5. From this it is more clearly visible that the clamping portion 8, leaving out edge webs 1 1 has a conductor opening 9, which extends to an arc in the transition to the operating portion 7.
  • a narrower opening 20 is provided opposite the conductor lead-through opening into which the bearing arm 12 can dip when pressing the operating section 7 in the direction of the abutment section 5.
  • the free end of the contact section 5 ends in narrower projecting lugs 21, where the edge webs 1 1 of the clamping portion 8 are passed.
  • FIG. 7 shows a perspective view of a second embodiment of a spring-force clamping connection 1.
  • This in turn consists of a clamping spring 4 in the form of a cage tension spring, a busbar 2 and an actuating element 13.
  • the bearing arm 22 is not formed integrally with the clamping spring 4 as in the first embodiment, but formed as a separate part.
  • the bearing arm 22 is preferably a plastic part. He has a placed between busbar 2 and contact section 5 of the clamping spring socket 23. From the base 23 a perpendicular standing on the base 23 arm portion 24 extends vertically upwards.
  • the arm portion 24 is disposed in the space formed by the edge webs 1 1 of the clamping portion 8 and thus substantially in the space defined by the cage tension spring space.
  • the actuating element 13 is pivotally mounted.
  • a bearing axis 17 is passed through a bearing opening 25 in the actuating fingers 15 of the actuating element 13, which is received in a corresponding non-visible bearing opening of the frame portion 24. In this way, the actuating element 13 is pivotally held on the arm portion 24 of the bearing arm 22.
  • FIG. 8 shows the second embodiment of the spring-force clamping connection 1 from FIG. 7 in the perspective rear view. It is clear that the actuating element 13, as in the first embodiment, has spaced-apart actuating fingers 15, which rest with their curved underside on the actuating section 7 of the clamping spring 4.
  • FIG. 9 shows a side view of the spring-force clamping connection 1 from FIGS. 7 and 8. It can be seen that the base 23 at its right free end, to which the arm portion 24 of the bearing arm 22 adjoins a downwardly facing protrusion 25, which dips into the formation of a clamping edge 3 created curvature at the free end of the busbar 2. In this way, the bearing arm 22 is fixed in position on the busbar 2.
  • FIG. 10 shows a plan view of the spring-force clamping connection 1 from FIGS. 7 to 9.
  • the actuating element 13 is completely closed on the upper side, so that the actuating fingers 15 are connected to each other not only by the head part 16, but also at the top.
  • FIG. 11 shows a side sectional view of the spring-force clamping connection 1 of the second embodiment according to FIGS. 7 to 10. It is clear from this that the head part 16 of the actuating element 13 has, on the front end side, a recess 18 tapering towards the bottom for receiving an actuating element. In that regard, reference may be made to the comments on the first embodiment.
  • the arm portion 24 of the bearing arm 22 at the upper free end, which is opposite the base 23, has a bearing opening 26, through which the bearing shaft 17 is inserted therethrough.
  • FIG. 12 shows a perspective view of the second embodiment of a spring-force clamping connection 1 from the front in the open position.
  • the actuating element 13 is pivoted in contrast to the rest position previously shown by about 90 degrees with the head part 16 upwards.
  • the actuating fingers 15 in this case travel with their free ends relative to the bearing axis 17 and the head part 16 downwards in the direction of the busbar 2, so that the actuating portion 7 is pressed down to the contact leg 5 and the busbar 2.
  • the nip is opened.
  • the nip is by the ⁇ ⁇
  • Crossbar 10 which limits the conductor opening 9 towards the bottom, and the clamping edge 3 formed on the busbar 2.
  • An electrical conductor can now be seen from the front, d. H. be inserted from right to left through the conductor bushing opening 9 of the clamping portion 8 of the clamping spring 4 to be clamped by pivoting the actuating element 13 in the rest position previously shown between the crossbar 10 and clamping edge 3 by the spring force of the clamping spring 4 electrically conductive to the busbar 2 ,
  • the arm section 24 is additionally guided by the base 23 through a recess 28 in the contact section 5.
  • These recesses in the clamping spring 4 are seen in the width direction between the side edges of the clamping spring 4 and preferably arranged centrally or centrally.
  • the bearing arm 22 is thus arranged at half the width of the busbar 2 and the clamping spring 4.
  • FIG. 14 shows a side view of the second embodiment of the spring-force clamping connection 1 in the open position.
  • the actuating element 13 is preferably locked by itself. This is achieved in that the actuating portion 7 of the clamping spring 4 now exerts a force on the actuating element 13, which is directed in this open position approximately to the bearing axis 17 out. For a tilting moment is avoided, which would cause a pivoting back of the actuating element 13 in the rest position.
  • the curve shape of the actuating fingers 15 is thus adapted to the kinematics of the actuating element 13 and the clamping spring 4 so that in each angular position of the actuating element 13 a best possible force and torque distribution is ensured. , ._
  • FIG. 15 shows a perspective view of the clamping spring 4 of the second embodiment of the spring-force terminal connection 1 in the installed position.
  • the recess 20 is formed longer and extends further into the operating portion 7 inside. This is caused by the fact that the arm portion 24 of the bearing arm 22 spans a larger, triangular-shaped surface than the bearing arm 12 of the first embodiment, which is designed as a flat sheet metal element.
  • a recess 28 is provided in the contact section 5, through which the arm section 24 of the bearing arm 22 is passed.
  • FIGS. 16 and 17 show the clamping spring 4 obliquely from above in the rear perspective view and in the perspective view.
  • the recess 20 forms, together with the Leierein Eli Sea 9 a first slot and the recess 28 a second slot through which the bearing arm 22 can extend from the underside of the contact portion 5 upwards in the direction of the transition between the operating portion 7 and clamping portion 8 therethrough.
  • These recesses 20, 28 and the conductor lead-through opening 9 are bounded on both sides by the side edges of the clamping spring 4 and in particular by the edge webs 1 1 of the actuating portion 8 or are within the space formed by the edge webs 1 1 and the side edges of the clamping spring 4.
  • FIG. 18 shows a top view of the clamping spring 4 from FIGS. 15 to 17. From this it is clear that the recess 20, the conductor bushing opening 9 and the recess 28 in the plant leg 5 in the middle in the width direction seen (in the representation from bottom to top) are arranged.
  • FIG. 19 shows a side sectional view in section FF of the clamping spring 4 from FIG. 18. It can be seen from the hatched sections that F-F spring metal sheet material for the transverse web 10, the actuating section 7, the spring bow 6 and the contact section 5 is present there on average. It is also clear that in the central section FF in the transition between operating section 7 and Klemmab- ⁇ "
  • the contact section 5 also has a slot running up to the free end, which slot is formed by the recess 28.
  • FIG. 20 shows a perspective view of an electrical appliance in which two spring terminal connections of the type mentioned at the beginning are installed in an insulating material housing 29.
  • the second embodiment of the spring force terminal 1 was used.
  • the Federkraftklemman gleich the first embodiment can be used.
  • the Federkraftklemman Why 1 are self-supporting and can be installed together with the actuator 13, busbar 2 and 4 spring clamp and bearing arm 22 assembled in the insulating material.
  • At the front end wall 30 of the insulating material 29 conductor insertion openings 31 are present, which open into the space directly below the busbar 2 to clamp an electrical conductor of the clamping spring 4 to the busbar 2.
  • the head part 16 of the actuating elements 13 respectively projects out of the housing through a corresponding recess and is preferably aligned flush with the upper side 32 of the insulating housing in the rest position (right-hand spring clamp connection) on the upper side. This creates a closed block-like connection terminal.
  • FIG. 22 shows a side sectional view in section FF through the spring force clamping connection 1 located in the open position.
  • the spring terminal connection 1 together with the busbar 2, clamping spring 4, bearing arm 22 and actuating element 13 is fixed in its entirety in the insulating housing 29.
  • the conductor insertion openings 31 at the front side 1 wall 30 of the insulating material 29 in the terminal space 32 open below the busbar 2.
  • the insulating housing 29 is designed in several parts and locked together by means of a latching device 33.
  • the latching device 33 has a latching lug on one part, which latched into a latching opening of the other part to firmly connect the two housing parts after installation of the spring-force terminal 1 with each other.
  • FIG. 23 shows a perspective view of a third embodiment of a spring-force clamping connection 1.
  • two spring terminal connections 1 are arranged side by side in the open position and rest position.
  • the front spring terminal 1 is in the open position, in which the nip is opened, while the rear spring terminal is in the closed position with closed nip.
  • the actuation does not take place by pivoting an actuating element 13 (operating lever), but by linear displacement of an actuating element 13 designed as an actuating pushbutton.
  • a bearing arm 22 extends through slots in the clamping spring 4 therethrough.
  • the clamping spring 4 is comparable to the clamping spring for the previously described second embodiment. Reference is made to the relevant embodiments and FIGS. 15 to 19.
  • the bearing arm 22 is also mounted with a base 23 between contact section 5 of the clamping spring 4 and the busbar 2.
  • the base 23 in turn has a protrusion 25, which dips into a corresponding recess for forming a clamping edge 3 on the busbar 2 to fix the bearing arm 22 with respect to its position on the busbar 2.
  • the actuating element 13 is made as a separate part of the bearing arm 22 and mounted linearly displaceable on the arm portion 24 of the bearing arm 22.
  • the actuating element 13 in turn has two spaced actuating fingers 15, between which the arm portion 24 is received.
  • the back of the forehead - 1 o - chen the actuating fingers 15 are arranged inclined and may possibly also follow a certain waveform. They rest on the actuating section 7 in the transition to the clamping section 8 on the clamping spring 4.
  • the clamping spring is transferred from the rear rest position shown in the open position shown in front by the operating portion 7 is pressed in the direction of clamping section 5.
  • FIG. 24 shows that the right-hand actuating element 13 has been pushed forward in the rest position.
  • the left, located in the open position actuator 13, however, is pressed backwards towards the spring bow 6 of the clamping spring 4.
  • the bearing arm 22 has at its upper free end a parallel to the busbar 2 and the base 23 aligned cover plate 35.
  • a self-supporting spring terminal 1 is created, the pre-assembled in a Isolierstoffgeophuse can be installed.
  • the busbar 2 can be part of the preassembled spring terminal connection 1. It is also conceivable that the busbar 2 is located in the electrical device, in which the Federkraftklemman gleich is installed without preassembled busbar 2. When installing the spring clamp terminal 1 is then pushed onto the associated busbar 2.
  • FIG. 25 shows a top view of the third embodiment of the spring force clamping connections 1 of FIGS. 23 and 24. It is clear that the upper (rear) Federkraftklemman gleich is in the rest position with closed nip, since the actuator 13 projects against the Portereinsteckcardi (from right to left) forward from the cover plate 35. In the lower (front) Federkraftklemman gleich 1, the actuating element (not visible) under the cover plate 35 is linearly displaced, so that an actuating force exerted on the clamping spring 4 and the nip is opened. - 1 y -
  • FIG. 26 shows the lower (front) spring-force clamping connection in the open position in section F-F with the rear closed spring-force clamping connection behind it in the side sectional view.
  • FIG. 27 shows a side sectional view in section G-G of the spring force terminal connection 1 in the rest position.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

L'invention concerne une connexion par borne à ressort (1), comprenant une barre conductrice (2), un ressort de serrage (4) sous la forme d'un ressort de traction à cage et un élément actionneur (13) qui est supporté de manière mobile pour agir sur le segment d'actionnement (7) du ressort de serrage (4) afin d'ouvrir et fermer un point de serrage. Un bras support (12, 22) s'étend depuis la barre conductrice (2) à travers une fente (9, 20) ménagée dans le segment de serrage (8) et/ou dans le segment d'actionnement (7) du ressort de serrage (4). Le segment du bras support (12, 22) qui traverse la fente (9, 20) est disposé dans une zone entre les bords latéraux du ressort de serrage (4) et il porte l'élément actionneur (13).
EP13789258.4A 2012-11-09 2013-11-06 Connexion par borne à ressort et appareil électrique contenant ladite connexion Active EP2917971B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13789258T PL2917971T3 (pl) 2012-11-09 2013-11-06 Sprężysta złączka zaciskowa i elektryczny aparat z taką złączką

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012110759.9A DE102012110759B4 (de) 2012-11-09 2012-11-09 Federkraftklemmanschluss und elektrisches Gerät hiermit
PCT/EP2013/073135 WO2014072327A1 (fr) 2012-11-09 2013-11-06 Connexion par borne à ressort et appareil électrique contenant ladite connexion

Publications (2)

Publication Number Publication Date
EP2917971A1 true EP2917971A1 (fr) 2015-09-16
EP2917971B1 EP2917971B1 (fr) 2016-12-21

Family

ID=49554238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13789258.4A Active EP2917971B1 (fr) 2012-11-09 2013-11-06 Connexion par borne à ressort et appareil électrique contenant ladite connexion

Country Status (7)

Country Link
US (1) US9413082B2 (fr)
EP (1) EP2917971B1 (fr)
JP (1) JP6235033B2 (fr)
CN (1) CN104885303B (fr)
DE (1) DE102012110759B4 (fr)
PL (1) PL2917971T3 (fr)
WO (1) WO2014072327A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020070208A1 (fr) 2018-10-05 2020-04-09 Wago Verwaltungsgesellschaft Mbh Insert de contact d'une borne de raccordement de conducteur ainsi que borne de raccordement de conducteur formée avec celui-ci

Families Citing this family (31)

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WO2014072327A1 (fr) 2014-05-15
CN104885303B (zh) 2017-05-24
PL2917971T3 (pl) 2017-06-30
CN104885303A (zh) 2015-09-02
JP2016501420A (ja) 2016-01-18
US9413082B2 (en) 2016-08-09
US20150357727A1 (en) 2015-12-10
JP6235033B2 (ja) 2017-11-22
EP2917971B1 (fr) 2016-12-21
DE102012110759B4 (de) 2021-04-01
DE102012110759A1 (de) 2014-05-15

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