EP3504755A1

EP3504755A1 - Spring-loaded clamping connection

Info

Publication number: EP3504755A1
Application number: EP17752398.2A
Authority: EP
Inventors: Thomas Witte; Muhammet Ali TÜRKEKÖLE
Original assignee: Wago Verwaltungs GmbH
Current assignee: Wago Verwaltungs GmbH
Priority date: 2016-08-23
Filing date: 2017-08-17
Publication date: 2019-07-03
Anticipated expiration: 2037-08-17
Also published as: US20190190168A1; JP7080218B2; EP3504755B2; KR20190039528A; PL3504755T3; CN109643858B; EP3504755B1; WO2018036898A1; KR102438953B1; US10367272B2; JP2019525433A; CN109643858A; DE102016115601A1

Abstract

The invention describes a spring-loaded clamping connection (1) for clamping an electrical conductor (8), having an insulating-material housing (2), a busbar (4) and a clamping spring (3). The clamping spring (3) has a contact limb (5), a spring bow (13), a clamping limb (9) and an operating section (15). The clamping limb (9) has a clamping edge (10). The clamping edge (10) forms, with the busbar (4), a clamping point for clamping the electrical conductor (8) between the clamping edge (10) and the busbar (4). An operating element (14, 35) is movably mounted in the insulating-material housing (2) and designed to apply force to the operating section (15). The operating element (14, 35) is mounted in the insulating-material housing (2) in a linearly displaceable manner and extends from the operating section (15) of the clamping spring (3) beyond a plane which is spanned by the bearing surface of the contact limb (5) on the busbar (4) or on the insulating-material housing (2). The operating element (14, 35) is designed to apply force to the operating section (15) of the clamping spring (3) on that side of the operating section (15) which is averted from the bearing surface of the contact limb (5) on the busbar (4).

Description

Spring terminal connection

The invention relates to a spring terminal connection according to the preamble of claim 1, in particular a spring terminal connection for connecting an electrical conductor with a Isolierstoffgehäuse, a busbar and a clamping spring having a plant leg, a spring bow, a clamping leg and an actuating portion, wherein the clamping leg has a clamping edge and the clamping edge to the busbar forms a terminal point for clamping the electrical conductor between the clamping edge and the busbar, and with an actuating element which is movably mounted in the insulating material housing and designed to apply force to the actuating portion. Spring terminal connections of the type mentioned are known in many forms.

EP 2 400 595 A1 shows a connection terminal with an insulating material housing and with at least one spring clamping unit with a clamping spring and a busbar section in the insulating housing. There is a pivotably arranged in the Isulierstoffgehäuse arranged actuating lever, which exerts a force acting against the spring force tensile force on the clamping spring upon displacement. In one embodiment, an integrally formed with the insulating housing movable tab is provided, which limits an actuating channel for an actuation tool and is mounted in an operating portion of a leg spring. By tilting the voltage applied to the insulating material actuating tool about an opposite pivot point on Isolierstoffgehäu- se, the terminal point between the leg spring and a busbar can be opened. EP 2 234 21 1 A1 discloses a spring clamp connection for an electrical conductor with a linearly accommodated in an insulating housing

Carriage, which is movable in the longitudinal direction to open at the nip against the contact legs of the contact body. For this purpose, the carriage has at its the interior of the housing facing the end of a deflection bevel, which cooperates with the clamping arm of the contact spring. The externally accessible carriage is movable by a finger pressure into the interior of the housing and has through openings for receiving electrical conductors.

A similar embodiment of a spring-loaded terminal with the inside of the insulating material in linearly displaceable pusher is described in DE 10 2006 018 129 B4. In order to optimize the relationship between the displacement of the opener and the pivoting of the clamping leg, an actuating limb is arranged laterally on the clamping leg, at which the area acted upon by the opener is located.

DE 10 2013 1 10 789 B3 shows an adapter for contacting busbars. It is provided a connection structure which presses on spring terminals and is displaced by means of a common lever switch.

Starting from this is the object of the present invention to provide an improved spring force clamping connection. The object is achieved with the Federkraftklemmanschluss with the feature of claim 1. Advantageous embodiments are described in the subclaims.

It is proposed that the actuating element is mounted linearly displaceable in the insulating material housing and extends from the operating portion of the clamping spring over a plane spanned by the bearing surface of the abutment leg on the busbar or Isolierstoffgehäuse level. The actuating element is for applying force to the actuating portion the Klennnnfeder on the side of the actuating portion, which faces away from the support surface of the abutment leg on the busbar is formed.

In this way, a very compact and with regard to the effect of the actuating force optimized spring force terminal connection can be created. The opening of the clamping spring can take place by under or behind the actuating portion in the pulling direction of the clamping spring, so that the linearly displaceable actuating element, the clamping leg upon displacement of the actuating lever, for. moved by pivoting in the direction of the plant leg. The linearly displaceable actuating element can be attached to the clamping spring, e.g. be guided laterally or possibly before or behind the clamping spring and extends from the operating portion of the clamping spring to beyond a plane which is clamped to the support surface of the abutment leg on the busbar or through the insulating material. Thus, e.g. pivotable actuating lever act on the actuating element, which is positioned on the actuating leg diametrically opposite side of the spring terminal connection.

The actuating element can be guided in a linearly displaceable manner by guide contours in the insulating housing and / or the clamping spring. The guide may be limited by stops to prevent excessive deflection of the clamping leg.

The actuator may have a bearing portion for an actuating lever. The bearing portion and the bearing surface are matched to one another such that the actuating element is linearly displaceable, for example, by pivoting the bearing against the bearing surface of the insulating housing and counteracted on the bearing portion of the actuating element operating lever between the bearing portion and the insulating material can then be limited by a bearing surface of the insulating housing free space be present for receiving the operating lever. The actuating lever can in this case be a part which is pivotally connected to the actuating element or else a separate actuating tool which can be inserted into the spring-cage connection as required. The bearing, which connects the actuating lever with the actuating element, can be designed as a pivot bearing for the actuating lever. Thus, the operating lever is provided as a functional component of the spring terminal connection. This actuating lever may, for example, be a pivot lever formed from insulating material, which is articulated to the actuating element with the pivot bearing. The position of this pivot bearing is then matched to the actuating lever and the actuating element, that upon pivoting of the actuating lever, the actuating element is linearly displaced. The insulating housing provides a support surface for the operating lever, which acts as an abutment.

Such an actuating lever may have a lever arm portion and a Druckarmabschnitt, projecting from the pivot bearing in different directions. In one embodiment, the lever arm portion and the pressure arm portion may project in opposite directions. The pressure arm section can then extend at an obtuse angle (greater than 90 °) to that of the longitudinal axis of the lever arm section passing through the pivot bearing. This has the advantage that the pressure arm section cooperating with the bearing surface of the insulating housing is not simply opposite the free end of the lever arm section, but is guided out of the alignment of the lever arm section in the direction of the bearing surface. This allows a very compact embodiment with optimized power transmission, in which an operation is carried out by exerting a tensile force on the lever arm.

In another embodiment, the lever arm portion and the Druckarmabschnitt may be located on the same side of the pivot bearing, that extend away from the pivot bearing on the same side of the actuating element. The Druckarmabschnitt is then at an acute angle (less than 90 °) to the the leading through the pivot bearing longitudinal axis of the lever arm. This allows an even more compact embodiment with a power transmission, in which an actuation takes place by exerting a compressive force on the lever arm section.

The operating lever may have a plain bearing bearing contour for forming a sliding bearing with the bearing surface of the insulating housing. This bearing contour can e.g. a rounded / curved contour or an edged contour with which the contact surface is reduced compared to a full-surface support. This ensures that the hinged to the actuating element with the pivot bearing actuating lever slides on pivoting on the support surface to cause a linear displacement of the actuating element.

In another embodiment, the actuating lever may be a (separate) actuating tool which can be introduced into the free space. The actuator then has a bearing surface of the insulating material opposite bearing surface. The support surface and the bearing surface are arranged offset in the extension direction of the introduced in the free space actuating tool to each other. For such a separate operating tool, such as a screwdriver, a bearing for linear displacement of the actuating element is provided on pivoting of the actuating tool on the one hand by the bearing surface of the insulating material and on the other hand by a bearing surfaces opposite the bearing surface on the actuating element. Between this pair of mutually offset bearing surface and bearing surface is then the space for receiving an actuating tool.

The actuating element may have a laterally arranged next to the clamping spring and on the insulating housing linearly displaceably mounted guide wall and a protruding from the guide wall under the operating portion fingers. The finger is arranged to move on the side of the actuating portion, which faces away from the abutment leg, for abutment with the actuating portion and to move the actuating portion in the direction of abutment leg of the clamping spring by applying force. The term "under" in this context is thus to be understood as on the side facing away from the plant leg.

The clamping spring may be a U-shaped bent leg spring. The actuating portion of the clamping spring is then arranged at a distance from the clamping edge on the clamping legs or connected to the clamping legs. The actuating portion thus acts on the clamping leg to move by Kraftbeaufschla- tion of the actuating portion to move the clamping leg so that the nip formed by the clamping edge and the busbar is opened for clamping an electrical conductor.

The actuating section of the clamping spring can be attached to a side of the clamping jaw! be formed protruding tab. Thus, the actuating portion forms an integrally connected to the clamping leg, laterally projecting from the clamping leg part.

The actuating portion of the clamping spring may also be formed as a frame member. The frame element can be formed from a side web and a transverse web projecting from the side web. The frame element may also have two side webs connected to the clamping leg and spaced apart from each other and a transverse web connecting the side webs. A provided with the clamping edge clamping tongue protrudes from the clamping leg between the side bars. The crosspiece is then forward and / or downstream in the insertion direction of the clamping edge. The frame member is thus formed from the clamping leg. The clamping tongue, which carries the clamping edge, is then aligned relative to the frame member so that the clamping edge of the clamping tongue is not obscured by at least one inserted and clamped conductor of the transverse web and can clamp the electrical conductor.

The cross bar may have a further clamping edge for clamping an electrical conductor or form such a clamping edge. Then the crossbar and the clamping tongue are so in relation to the level of the busbar and a da- aligned adjacent electrical conductor, that in Klennnnkante the Klennnnkante the clamping tongue and the Klennnnkante the transverse web are arranged one behind the other in Leitereinsteckrichtung. In this case, the crosspiece in Leitereinsteckrichtung the Klennnnkante the clamping tongue upstream or downstream.

The formation of a clamping spring with such a frame member on the clamping leg also has advantages regardless of the existence or the embodiment as an actuating element. In this respect, a spring-force clamping connection for clamping an electrical conductor with an insulating housing, a busbar and a clamping spring, which has a bearing limb, a spring bow, a clamping limb and an actuating section, offers further advantages. The clamping leg has a clamping edge, which forms a terminal point for clamping the electrical conductor between the clamping edge and the busbar with the busbar. The actuating portion of the clamping spring is then formed as a frame member having, for example, two connected to the clamping leg and spaced side webs and optionally a crosspiece connecting the side webs, wherein a clamping edge provided with the clamping tongue of the clamping leg between the at least one side web or spaced protrudes and the transverse web is upstream or downstream in the insertion direction of the clamping edge.

In a further advantageous embodiment of such a Federkraftklemmanschlusses the crossbar has a further clamping edge for clamping an electrical conductor.

The cross bar is optional in this operating element designed as a frame portion of the clamping spring. The frame member may also be formed only by two connected to the clamping leg and spaced side webs. Then there is no need for another clamping edge. However, there remains the advantage that the actuating portion can be stabilized, in particular in the case of one-sided loading by the actuating element with the aid of the side webs. The opening of the nip succeeds by applying force to the actuating portion in a structurally suitable manner. The actuating lever can be aligned, for example pointing in the direction of the electrical conductor to be clamped. As a result, the handling of both the electrical conductor, as well as the actuating lever is facilitated. But it is also conceivable, for example, an embodiment in which the actuating arm of the actuating lever is oriented pointing away from the electrical conductor to be clamped. The insulating housing of the spring terminal connection in the above-described embodiments may have a recess, wherein the bearing surface is arranged for the actuating lever in the recess. The provided by the support surface abutment for the actuating lever is arranged in this way at a closer distance to the operating portion of the clamping spring, as the bearing portion of the actuating element. This allows a more compact design of the spring terminal connection with good kinematics.

In order to hold the clamping spring in the open position, in which the nip is opened, the insulating housing may have a surface portion which is aligned to hold the operating lever in an over-center position or rest position.

This surface portion may, for example, be an abutment surface adjoining the bearing surface of the insulating housing for the pressure arm portion of the actuating lever. This is arranged in the pivoting direction of the actuating lever to the open position so that the Druckarmabschnitt can be guided past the connecting line between the pivot bearing and the system of the actuating element on the actuating portion of the clamping spring and abuts in the pivoting direction only behind this connection line on the stop surface to another pivoting to prevent and keep the operating lever in this Übertotpunktlage. However, this surface portion may also be a step which is opposite to a bearing surface on the actuating element for guiding a separate actuating tool or a resting surface adjoining the bearing surface. In the open position, the end of the operating tool then lies on the step and is held on the step with a force acting on the operating tool in the direction of the step via the actuating element.

The object mentioned at the outset is also achieved by a spring force clamping connection for clamping an electrical conductor, the spring force clamping connection having at least one clamping spring for clamping the electrical conductor to the spring force clamping connection and at least one pivotable actuating lever for actuating the clamping spring, the actuating lever being connected between an open circuit Position in which a Leiterklemmstelle formed with the clamping spring is opened, and a closed position in which the terminal is closed, reciprocated, wherein the Federkraftklemmanschluss has an actuatable by the pivotable actuating lever actuator, which is substantially linear slidably mounted traction element is formed, is opened by the pivoting of the actuating lever in the open position, the clamping point by means of an acting on the clamping spring tensile force. This also makes it possible to realize the advantages explained above. In contrast to the prior art, the clamping leg of the clamping spring is opened by a pulling force exerted by the tension element, which allows a mechanically favorable power transmission with a compact design of the spring terminal connection. In addition, the Betätigungshe- can be designed particularly ergonomic.

The above-mentioned object is further achieved by a spring-force clamping connection for clamping an electrical conductor, the spring-force clamping connection having at least one clamping spring for clamping the electrical conductor to the spring-force clamping connection and at least one pivotable actuating lever for actuating the clamping spring, the actuating lever being moved between an open position, in which a conductor clamping point formed with the clamping spring is opened, and in which a closed position in which the clamping point is closed can be moved back and forth, wherein the opened position tion and the closed position form end positions of the pivoting movement of the actuating lever, where the actuating lever comes to rest against a mechanical stop, wherein the actuating lever is pivotable beyond at least one of the end positions in an overpressure position without damaging parts of the spring force terminal connection or the actuating lever releases itself from the spring force terminal connection. In this way, the Federkraftklemmanschluss and in particular the storage of the operating lever can be protected from damage even at high force. The actuating lever can thus avoid the excessive force to a certain extent, since it has a certain idle or free travel.

According to an advantageous embodiment of the invention, it is provided that by moving the actuating lever in the at least one overpressure position, the actuating element is linearly displaceable. In this override movement of the actuating lever thus the actuator can at least partially continue its linear movement. When the operating lever has reached the push-over position, the actuating element can also be arranged again in the same linear position as previously in the end position which is close to the over-press position, ie. the open position.

According to an advantageous embodiment of the invention it is provided that the actuating lever is rotatably mounted on the linearly displaceable actuating element, wherein the actuating lever participates in the movement of the actuating lever in the at least one overpressure position, the linear displacement of the actuating element. In this way, the operating lever can escape the excessive acting actuating force, without causing damage to the operating lever or its storage.

According to an advantageous development of the invention, it is provided that the spring force terminal connection has an overpressure contour formed on the insulating housing or another part of the spring terminal connection, on which the bearing contour slides along the overpressure position when the actuating lever is moved. In this way, the operating lever can be safely guided into the overpressure position. According to an advantageous development of the invention, it is provided that the overpressure contour extends at least in sections obliquely to the linear direction of movement of the actuating element. In this way, the overpressure contour can form a kind of temporary stop in the end position of the actuating lever and at the same time bring about a suitable guidance of the actuating lever into the overpressing position.

According to an advantageous embodiment of the invention, it is provided that the actuating force of the actuating lever increases when moving the actuating lever from the end position to the overpressure position. This has the advantage that the user haptically receives the information that the end position is reached per se. As mentioned, the actuating lever is pivotably mounted on the spring-force clamping connection via a pivot bearing. The actuating lever can be attached to any holding part of the spring terminal connection, i. this holding part then includes holding part side bearing elements to form a part of the pivot bearing. This retaining part of the spring-force clamping connection may be e.g. be a portion of the insulating housing or the actuator. The actuating lever has lever-side bearing elements of the pivot bearing. Here, the one bearing elements, i. either the lever-side bearing elements or the holding-part-side bearing elements, as pin and the counterpart of the bearing element may be formed as a storage hole, e.g. as a through hole or as a blind hole.

According to an advantageous embodiment of the invention it is provided that the actuating lever is attached to a holding part of the spring terminal connection, in particular attached to the actuating element, in such a way that the actuating lever of the holding part is not destructively releasable. The spring force clamp connection thus has a non-separable, prefabricated assembly which has at least the actuating lever and the holding part. In this way, assembly time can be saved in the assembly of the individual parts of the spring terminal connection. According to an advantageous development of the invention it is provided that the actuating lever is attached via a pivot bearing on a holding part of the Federkraftklemmanschlusses, wherein the actuating lever lever side bearing elements of the pivot bearing and the holding part holding part side bearing elements of the pivot bearing, wherein the holding part side bearing elements in the production directly form-fitting are formed around the lever-side bearing elements or on the lever-side bearing elements. This can be done, for example, that the lever-side bearing elements are encapsulated in a Kunststoffsp etching process with the holding part side bearing elements.

According to an advantageous embodiment of the invention, it is provided that the material of the lever-side bearing elements has a different melting temperature than the material of the holding part side bearing elements. Thus, in particular, the melting temperature of the lever-side bearing elements may be higher than that

Melting temperature of the material of the holding part side bearing elements. In this way, damage to the lever-side bearing elements is avoided during the molding process of the holding part-side bearing elements on the lever-side bearing elements.

The aforementioned advantages can also be achieved by a method for producing a spring-force terminal connection for clamping an electrical conductor, wherein the spring-loaded terminal has at least one clamping spring for clamping the electrical conductor to the spring-loaded terminal and at least one pivotable actuating lever for actuating the clamping spring via a pivot bearing a holding part of the spring force terminal connection is fixed, with the steps:

a) producing the actuating lever with lever-side elements of the pivot bearing,

b) producing the holding part of the spring terminal connection, on which the actuating lever is mounted by the holding part with holding part side bearing elements of the pivot bearing to the lever-side bearing elements of the

Swivel bearing is formed around, so that the lever-side bearing elements c) Completion of the Federkraftklemmanschlusses with the assembly of the operating lever and the holding part of the spring terminal connection, on which the actuating lever is fixed, and the other elements of the spring terminal connection including the clamping spring of the pivot bearing during the manufacturing process of the holding part.

The invention will be explained in more detail with reference to embodiments. Show it:

Figure 1 a) - Sketch of a first embodiment of a spring terminal connection in an open position with inserted electrical conductor and pivoting Zugbetätigungshebel;

Figure 1 b) - Sketch of the spring terminal connection of Figure 1 a) in the closed position;

Figure 2 a) - Sketch of a second embodiment of a spring terminal connection in an open position with inserted electrical conductor and pivotable pressure actuating lever;

Figure 2 b) - Sketch of the spring terminal connection of Figure 2 a) in the closed position;

Figure 3 a) - Sketch of a modification of the first embodiment of a Federkraftklemmanschlusses in the open position with pointing in Leiterereinsteckrichtung Zugbetätigungshebel;

Figure 3 b) - Sketch of a modification of the second embodiment of a Federkraftklemmanschlusses in the open position with in Leitereinsteckrichtung facing pressure actuation lever;

Figure 4 - perspective cutaway view of a mounted on a busbar clamping spring with frame member;

Figure 5 a) - Perspective view of a third embodiment of a Federkraftklemmanschlusses with separate actuating tool as an operating lever and view of a plug contact opening;

Figure 5 b) - Perspective view of the spring terminal connection of FIG

5 a) facing the conductor insertion channel; Figure 6 a) - side sectional view of the Federkraftklemmanschlusses from Figures 5 a) and 5 b) with inserted operating tool;

Figure 6 b) - Perspektivische sectional view of the spring terminal connection

Figures 5 a) and 5 b) with inserted operating tool;

Figure 7 a) - side sectional view of the Federkraftklemmanschlusses of figures

5 a) and 5 b) with actuating tool in the open position;

Figure 7 b) - Perspektivische sectional view of the spring terminal connection

Figures 5 a) and 5 b) with actuating tool in the open position;

Figure 8 - perspective views of another embodiment of a

Federkraftklemmanschlusses in different positions of the

Operating lever;

FIGS. 9, 10 show the spring-force clamping connection according to FIG. 8 in lateral sectional illustrations;

Figure 1 1 - another embodiment of a Federkraftklemmanschlusses in lateral sectional view.

FIG. 1 a) shows a sketch of a spring terminal connection 1 which has an insulating housing 2 and a clamping spring 3 accommodated in the insulating housing 2 and a bus bar 4. The clamping spring 3 is mounted with a plant leg 5 on the busbar 4. For this purpose, for example, a holding frame 6 extend from a support portion 7 of the busbar 4 away. Thus, the clamping spring 3 is arranged self-supporting on the busbar 4, without exerting a significant force on the insulating housing 2.

An electrical conductor 8 is inserted into a conductor insertion channel (not shown) in the insulating material housing 2 in the conductor insertion direction L in the insulating housing 2. He can then in the illustrated open position between a clamp! 9 of the clamping spring 3 and the support portion 7 of the busbar 4 (contact portion) are guided, so that a clamping edge 10 forms a clamping point for clamping the electrical conductor 8 at the free end of the clamping leg 9 together with the busbar 4. It is clear that the stripped end 1 1 of the electrical conductor 8 between the support portion 7 and the Clamping edge 10 is positioned and passed through a conductor opening 12 in a trained as a holding frame 6 bearing portion. At the support portion 7 of the busbar 4, a protruding contact edge may be present, to which the contact force of the clamping spring 3 is concentrated at a clamped electrical conductor 8.

The clamping spring 3 is formed as a U-shaped leg spring with the plant leg 5, an adjoining spring bow 13 and the adjoining clamping leg 9.

In order to open now the nip for removing the electrical conductor 8, an actuating element 14 is provided, which is installed linearly displaceable in the insulating material 2. The actuating element 14 engages under an operating portion 15 arranged on the clamping leg 9, about the clamping leg

9 by linear displacement of the actuating element 14 in the direction of the plant leg 5 to relocate. The actuating element 14 acts on the actuating portion 15 of the clamping spring 3 thus on the side facing away from the plant leg of the actuating portion 15. Thus, a compressive force is exerted on the actuating portion 15 to open the nip.

It is clear that the actuating element 14 has a guide wall 16 guided past the clamping spring 3 laterally with a finger 17 arranged on the guide wall 16, which rests on the actuating section 15 in the illustrated open position.

For displacement of the actuating element 14, an actuating lever 18 is pivotally mounted on the actuating element 14. For this purpose, a pivot bearing 19 is provided on the actuating lever 18 and the actuating element 14. The pivot bearing 19 may for example be designed as a journal bearing in which a pin is inserted into a bearing opening. The pin can then be present on the actuating lever 18 or the actuating element 14 and the corresponding bearing opening on another element, ie the actuating element 14 or the actuating lever 18. FIG. 1 b) shows the spring-force clamping connection 1 from FIG. 1 a) in the closed position. It is clear that the actuating lever 18 is now pivoted downwards with its lever arm portion 20 in the direction of the conductor insertion opening or in the direction of the clamping spring 3. It can also be seen that the actuating lever 18 has a pressure arm section 21 opposite the lever arm section 20. This pressure arm section 21 cooperates with a bearing surface 22 of the insulating housing 2 and rests on this bearing surface 22 of the insulating housing 2 at least during the pivoting into the open position. The Druckarmabschnitt 21 then slides on pivoting with its rounded bearing contour 23 along the surface of the support surface 22 along, so that a sliding bearing is formed. The counter bearing is formed by the pivot bearing 19, whereby the actuator 14 is then displaced linearly in the direction of actuation B.

If now the actuating lever 18 is pivoted counterclockwise in the open position shown in Figure 1, then moves the finger 17 of the actuating element 14 in the direction of actuation B upwards to move the clamping leg 9 in the direction of plant leg 5 against the spring force of the clamping spring 3. The actuating element 14 is thereby guided in a linearly displaceable manner on the insulating housing 2.

In this embodiment of the spring-force clamping connection 1, not only an actuating element 14 may be present on one side of the clamping spring 3. Also conceivable is an embodiment in which two actuating elements 14 are arranged opposite one another to form a free space for receiving the clamping spring 3 on both sides next to the clamping spring 3. The narrow edges of the contact leg 5 and the clamping leg 9 then each adjoin an actuating element 14.

It is also conceivable that the actuating element 14 is not arranged laterally next to the clamping spring 3. It can also be arranged otherwise adjacent to the clamping spring 3, such as the clamping spring 3 upstream or downstream in Leitereinsteckrichtung L. In any case, it is structurally designed such that the clamping leg 9 can be moved by linear displacement of the actuating element 14. The linear displacement of the actuating element 14 is effected by the actuating lever 18 pivotably connected to the actuating element 14.

It can be seen in this embodiment further that the support surface 22 merges into a surface portion in the form of a stop surface 24 which protrudes from the support surface 22. This stop surface 24 is arranged in the pivoting direction of the actuating lever 18 toward the open position so that the Druckarmabschnitt 21 can be passed at least at the connecting line between the pivot bearing 19 and the system of the actuating element 14 on the actuating portion 15 of the clamping spring 3 and in the pivoting direction only behind this connecting line abuts on the stop surface 24 to prevent further pivoting and to keep the operating lever 18 in this Übertotpunktlage. In the illustrated embodiment, an over-center position is ensured in any case when the Druckarmabschnitt 21 has passed through the pivot bearing 19 leading and aligned in the direction of actuation B connecting line and the stop surface 24 is arranged in the pivoting direction to the open position behind this connection line. This connecting line is aligned parallel to the linear movement direction of the actuating element 14 and thus parallel to not shown guide bearings for the actuating element 14. With the stop surface 24, a further pivoting of the actuating lever 18 is prevented and the actuating lever 18 is held in the open terminal point in an over-center position, wherein a force of the clamping spring 3 acts on the actuating element 14.

In the illustrated first embodiment, the Druckarmabschnitt 21 and the Hebelarmabschnitt 20 protrude from the common pivot bearing 19 in opposite directions from each other. The Druckarmabschnitt 21 and the Hebelarmabschnitt 20 are aligned with their main directions of extension (eg central axes) at an obtuse angle (greater than 90 °) to each other. The interior angle between see Druckarmabschnitt 21 and Hebelarnnabschnitt 20 may be limited for example to a range of 180 ° to 120 °.

FIG. 2 a) shows a sketch of a second embodiment of the spring force clamping connection 1. In this case, reference may essentially be made to the above statements. The difference from the first embodiment lies in the configuration of the actuating lever 18. The pressure arm section 21 is located on the same side of the pivot bearing 19 as the lever arm section 20. The pressure arm section 21 and the lever arm section 20 are pointed with their main directions of extension (eg central axes) Angle (less than 90 °) aligned with each other. The internal angle between the pressure arm section 21 and lever arm section 20 may be limited to a range of 10 ° to 90 °, for example.

In the open position shown in FIG. 2 a), the pressure arm section 21 is then aligned from the pivot bearing 19 towards the support surface 22 and lies on the support surface 22. The pressure arm portion 21 is then positioned laterally adjacent to the actuator 14. This corresponds to the orientation in the first embodiment and leads to the opening of the clamping spring. 3

FIG. 2 b) shows a sketch of the second embodiment of the spring-force clamping connection 1 in the closed position. By pivoting of the actuating lever 18, the Druckarmabschnitt 21 opposite to the Leitereinsteckrichtung L for einzusteckenden electrical conductor 8 facing out aligned. The lever arm portion 20 protrudes upward from the insulating housing 2 away, as is the case in the first embodiment in the open position (Figure 1 a).

An abutment surface 24, not shown, may optionally be provided as in the first exemplary embodiment, which then protrudes from the support surface 22 only spatially offset on the opposite side of the pivot bearing 19 approximately in the space above the finger 17.

The actuation of the clamping spring 3 by pivoting of the actuating lever 18 takes place in the first embodiment by exerting a tensile force on the He- belarmabschnitt 20 and in the second embodiment by exerting a compressive force on the lever arm 20th

FIG. 3 a) shows a modification of the first exemplary embodiment of the spring-force terminal connection 1 shown in FIGS. 1 a) and 1 b). It is clear that the actuating lever 18 is arranged mirrored, so that the lever arm portion is oriented in the closed position in Leitereinsteckrichtung L facing. Again, an actuation by exerting a tensile force on the actuating lever 18. A stop surface 24, not shown, may optionally be provided as in the first embodiment, which then correspondingly protrudes on the opposite side in the space above the finger 17 of the support surface 22.

FIG. 3 b) shows a modification of the second exemplary embodiment of the spring-force terminal connection 1 illustrated in FIGS. 2 a) and 2 b). It is clear that the actuating lever 18 is arranged mirrored, so that the lever arm is oriented in the open position in Leitereinsteckrichtung L facing. Here, too, actuation takes place by exerting a tensile force on the actuation lever 18. A stop surface 24 (not shown) may optionally be provided as in the first exemplary embodiment.

FIG. 4 shows a perspective view of a clamping spring 3 which is suitable for the previously described spring force clamping connection 1 and which is suspended with its contact point 5 in the busbar 4. For this purpose, protruding from the support portion 7 of the busbar 4, a holding frame 6 with a holding opening 25 from. The free end of the abutment leg 5 dips into this retaining opening 25 so as to fix the clamping spring 3 to the busbar 4 in their position. At the plant leg 5, a spring bow 13 connects, which merges into the clamping leg 9. The clamping leg 9 has a clamping tongue 26 which has the clamping edge 10 at its free end. Furthermore, a frame element 27 is connected to the clamping leg 9. This frame member 27 has two of the clamping leg 9 projecting and integral therewith executed side bars 28a, 28b, which may optionally be connected together at their end by a transverse web 29. The frame member 27 provides an operating portion to which an actuator 14 can exert an operating force. The transverse web 29 can be omitted if the side webs 28a, 28b are suitably dimensioned. It is clear that the crossbar 29 is downstream in Leitereinsteckrichtung L of the clamping edge 10. The crossbar 29 can rest in the illustrated rest position as well as the clamping edge 10 of the clamping tongue 26 on the busbar 4. It can also be seen that a contact edge 30 is formed on the busbar 4. The clamping edge 10 of the clamping tongue 26 is aligned so that it forms a clamping point for clamping an electrical conductor 8 together with this contact edge 30, so that the clamping force of the clamping spring 3 is concentrated on the contact edge 30.

In the illustrated embodiment, a plug contact socket 32 is formed on the busbar 4 by two fork tongues 31 a, 31 b. FIG. 5 a) reveals a third embodiment of a spring-force clamping connection 1 with an insulating material housing 2.

In this embodiment, a separate actuating tool such as a screwdriver is provided as an actuating lever 33, which is insertable in a plug-in direction E in a free space 34. By pivoting the operating lever 33, which is designed as an actuating tool, as indicated by the actuating lever 33 sketched in two positions and the arrow, the actuating element 35 can then be linearly displaced in the insulating housing 2 so as to open the clamping point.

It is the conductor insertion channel 36 can be seen in the insulating housing 2, through which an electrical conductor 8 can be guided in conductor insertion direction L in the interior of the insulating housing 2. This one is still relatively big, but can by latching a lid part (not shown) with it inserted conductor guide opening have a reduced cross-section.

FIG. 5 b) shows a perspective rear side view of the spring force terminal 1 of FIG. 5 a). Now a rear plug-in opening 37 for receiving a connector can be seen, which leads to the plug contact socket 32.

The construction of the spring terminal connection 1 becomes clearer from the sectional views with the figure 6 a) in side view and the figure 6 b) in the perspective view. It can be seen that the actuating element 35 has a bearing surface 38, which faces in the free space 34 of a bearing surface 39 of the insulating housing 2. The bearing surface 39 forms a pivot point D for the actuating tool (i.e., the actuating lever 33) indicated by the arrow, which is placed thereon on the insulating housing 2. The opposite bearing surface 38 of the actuating element 35 forms an abutment, on which slides the actuating tool when pivoting in the direction of insulating 2. In this case, the actuating element 35 is moved linearly in the direction of actuation B in order to move in this way the clamping leg 9 of the clamping spring 3 (not shown) and to open the terminal point for clamping an electrical conductor 8 or for removing a clamped electrical conductor 8.

It can be seen that the actuating element 35 protrudes into the interior of the insulating material housing 2 and has a finger 40 at its end. This engages under an operating portion, not shown, a clamping spring (not shown).

This actuating portion may be, for example, a laterally projecting from the Klemmsche- 9 tab.

It is also clear that the bearing surface 38 of the actuating element 35 has a curved path shape pointing in the direction of the opposite bearing surface 39. It also becomes clear that the effective effective storage area 38 in extension direction of the actuating tool (ie the actuating lever 33) or its insertion direction E offset to the bearing surface 39 of the Isuliergehäuse 2 is arranged. FIG. 7 a) shows the spring force terminal connection 1 from FIGS. 5 a), 5 b), 6 a) and 6 b) in the open position in the side sectional view and FIG. 7 b) in the perspective sectional view. It is clear that the operating tool (operating lever 33) is now swung down in the direction of insulating material 2. In this case, the actuating element 35 is now led out of the insulating material housing 2 so far that the actuating tool rests on a rest surface 41 following the bearing surface 38.

It is also clear that the actuating tool (actuating lever 33) is introduced into the free space 34 delimited by the bearing surface 39 and the bearing surface 38. The clearance 34 increases in the height direction (i.e., in the direction of actuation B) the farther the operating lever 33 is inserted between the actuator 35 and the insulating housing 2. It is also clear that the actuating element 35 has two for receiving the actuating lever 33 between them spaced guide walls 42 which are linearly displaceable in the Isolierstoff- housing 2 are stored. At least one of the guide walls 42 has at its free end a finger 39, which engages under the actuating portion 15 of the clamping leg 9 (not shown, but comparable to Figure 1 a)). This actuating portion 15 can also be provided by the side webs 28 a, 28 b of the embodiment of Figure 4 or by the clamping tongue 26.

It is clear that the free space 34 is designed as an obliquely pointing in the insulating 2 and facing the width of an operating lever designed as an actuating lever 33 adapted channel. This channel now widens when the actuator 35 is linearly displaced. The free space 34 has at its bottom a step 43 which is opposite the resting surface 41. In the open position according to FIG. 7 a) and 7 b), the actuating tool can then be inserted as far into the free space 34 as shown, that the free end of the actuating tool rests on the step 43 and on the opposite side the resting surface 41 on the Actuating tool acts. This is by the not shown clamping spring 3 via the bearing of the actuating portion 15 of the clamping spring 3 on the finger 40, a spring force on the actuator 35 is exerted, with which the actuating tool (ie, the actuating lever 33) is clamped in the position shown.

The third embodiment shown in FIGS. 5 a) to 7 b) is also a modification to the effect that the illustrated actuating lever 33 is not a separate part, but is designed as a lever arm mounted pivotably on the insulating housing.

In the embodiments described above, the lever arm portion 20 or the operating lever 33 configured as an operating tool may point toward or away from the conductor 8 to be clamped. Both variants are equally feasible, since the linear guide of the actuating element 14, 35 is independent of it.

The Federkraftklennnnanschluss 1 shown in Figure 8 has a Isolierstoffge- housing 2, in which the other elements including the busbar 4 and the clamping spring 3 are arranged and are therefore not visible in the illustrations of Figure 8. The Federkraftklennnnanschluss 1 has an actuating lever 18 which is mounted via a pivot bearing 19 on an actuating element 14. The actuating element 14 may in particular be shaped similarly to the actuating element 35 described with reference to FIGS. 5 a), 5 b). The actuating lever 18 in turn has the lever arm section 20, by means of which it can be actuated manually. The insulating housing 2 has a conductor insertion channel 36 into which an electrical conductor can be inserted.

8 shows the Federkraftklennnnanschluss with the actuating lever 18 in the closed position (Figure a), which forms the one end position of the pivoting movement of the actuating lever 18. In Figure b, the operating lever is pivoted to the open position, which forms the other end position of the pivoting movement of the actuating lever 18. In Figure c it is shown that the actuating lever 18 is pivoted in an overpressure position, by the operating lever on the end position, which corresponds to the closed position, is further pivoted.

FIG. 9 shows the spring-force clamping connection according to FIG. 8 in a lateral sectional view, with the actuating lever 18 being in the open position. Visible is in particular arranged in the insulating housing 2 clamping spring 3 with the clamping leg 9, the spring bow 13 and the plant leg 5. The plant leg 5 is attached to a support frame 6 of the busbar 4. Since the actuating lever 18 is in the open position, the clamping leg 9 is deflected upward over the support surface 39 of the actuating element 14, so that the clamping edge of the clamping leg 9 does not rest on the support section 7 of the busbar 4.

The actuating lever 18 has a bearing surface which extends over a first portion 44 toward an angularly extending second portion 45. If the actuating lever 18 is in the closed position, the first section 44 of the bearing surface rests against the insulating housing 2. As can be seen, the lever 18 is supported in the open position on the second portion 45 of the bearing surface on the insulating housing 2 and is thereby loaded by the force of the clamping spring 3 relative to the insulating material 2.

FIG. 9 also shows that an oblique overpressure contour 46 adjoins the region in which the actuating lever 18 rests on the insulating housing 2 in the open position on the insulating housing 2. If the actuating lever 18 is in the open position (FIG. 9), the overpressure contour 46 forms a mechanical stop, by means of which a user senses that the actuating lever itself is in its end position. In the illustrated embodiment of the spring terminal connection but overpressing is possible.

Figure 10 shows the Federkraftklemmanschluss with the actuating lever 18 in the overpressure position. As can be seen, the second portion 45 of the support surface of the actuating lever 18 has overcome the overpressure portion 46 and is located at a location behind it on the insulating housing 2. From the- In this overpressure position, the actuation lever 18 can easily be moved back into the open position or the closed position without damaging or loosening the actuation lever 18. FIG. 11 shows a further embodiment of the spring-force clamping connection, which corresponds to the previously explained embodiment with respect to the actuating lever 18 and its overpressing possibility. For better clarity, the clamping spring 3 and, for the most part, the busbar 4 are not shown in this illustration, so that in particular the position of the support surface 39 of the actuating element 14 becomes clear, corresponding to the actuating section

15 forms a driver for the clamping portion 9 or an actuating portion of the clamping spring 3 formed thereon.

It can also be seen that the spring-force clamping connection can be formed with a plug-in contact socket 32 projecting from the insulating housing 2 with fork tongues 31 a, 31 b, which can be formed on the holding frame 6 of the busbar 4. In this plug contact socket 32, a contact pin 47 may be inserted.

LIST OF REFERENCE NUMBERS

Spring terminal connection 1

Insulating housing 2

Clamping spring 3

Busbar 4

Plant leg 5

Holding frame 6

Support section 7 electrical conductor. 8

Clamping leg 9

Clamping edge 10 stripped end 1 1

Conductor passage opening 12

Spring bow 13

Actuator 14

Operating section 15

Guide wall 16

Finger 17

Operating lever 18, 33

Swivel bearing 19

Lever arm section 20

Pressure arm section 21

Bearing surface 22

Support contour 23

Stop surface 24

Holding opening 25

Clamping tongue 26

Frame element 27

Side bars 28a, 28b

Crossbar 29

Contact edge 30

Fork tongues 31 a, 31 b Plug contact socket 32

Free space 34

Actuator 35

Conductor insertion channel 36

Plug opening 37

Storage area 38

Bearing surface 39

Finger 40

Resting area 41

Guide walls 42

Stage 43 first section 44 second section 45

Overpressure contour 46

Contact pin 47

Actuation direction B

Fulcrum D

Insertion direction E

Conductor insertion direction L

Claims

claims

1 . A spring power terminal (1) for clamping an electrical conductor (8), wherein the spring power terminal (1) comprises at least one clamping spring (3) for

Clamping the electrical conductor (8) to the spring power terminal (1) and at least one pivotable actuating lever (18) for actuating the clamping spring (3), the actuating lever (18) being between an open position in which one with the clamping spring (3) Leitererklemm- point is open, and a closed position in which the nip is closed, reciprocated, characterized in that the Federkraftklennnnanschluss (1) from the pivotable actuating lever (18) operable actuating element (14, 35), which is formed as a substantially linearly displaceably mounted tension element, by the pivoting of the actuating lever (18) in the open position the

Clamping point is to be opened by means of a force acting on the clamping spring (3) tensile force.

2. Federkraftklennnnanschluss (1), in particular Federkraftklennnnanschluss according to claim 1, for clamping an electrical conductor (8) with an insulating housing (2), a busbar (4) and a clamping spring (3) having a plant leg (5), a spring bow ( 13), a clamping leg (9) and an actuating portion (15), wherein the clamping leg (9) has a clamping edge (10) and the clamping edge (10) with the busbar (4) a terminal point for clamping the electrical conductor ( 8) between the clamping edge

(10) and the busbar (4), and with an actuating element (14, 35) which is movably mounted in the insulating housing (2) and designed to apply force to the actuating portion (15), characterized in that the actuating element (14, 35) is linearly displaceable in the Isulierstoffgehäuse (2) is mounted and from the actuating portion (15) of the

Clamping spring (3) via a through the support surface of the abutment limb (5) the operating rail (4) or the Isolierstoffgehäuse (2) extends beyond the plane spanned, wherein the actuating element (14, 35) for applying force to the actuating portion (15) of the clamping spring (3) on the side of the actuating portion (15), the bearing surface of the plant leg (5) facing away from the busbar (4) is formed.

3. spring terminal connection (1) according to claim 1 or 2, characterized in that an actuating lever (18) which is pivotally mounted on the Federkraftklemmanschluss, is mounted on a bearing portion of the actuating element (14) and the insulating housing (2) has a bearing surface (22) for the actuating lever (18), wherein the bearing portion and the bearing surface (22) are matched to one another such that the actuating element (14) by pivoting on the bearing surface (22) of the insulating material (2) superposed and on the bearing portion of the actuating element ( 14) counteracted actuating lever (18) is linearly displaceable.

4. spring terminal connection (1) according to claim 3, characterized in that between the bearing portion of the actuating element (14) and the support surface (22) of the insulating housing (2) has a clearance for receiving a Ab- section of the actuating lever (18) is present.

5. spring terminal connection (1) according to claim 3 or 4, characterized in that the actuating lever (18) with a pivot bearing (19) on the actuating element (14) is arranged.

6. spring terminal connection (1) according to claim 5, characterized in that the actuating lever (18) has a Hebelarmabschnitt (20) and a Druckarmabschnitt (21), each of the pivot bearing (19) protrude in different directions from each other.

7. spring terminal connection (1) according to claim 6, characterized in that the Druckarmabschnitt (21) in the opposite direction to the Hebelarmabschnitt (20) protrudes and extends at an obtuse angle to the through the pivot bearing (19) leading longitudinal axis of the Hebelarmabschnittes (20). A spring power terminal (1) according to claim 6, characterized in that the pressure arm portion (21) and the lever arm portion (20) are located on the same side of the pivot bearing (19) and the pressure arm portion (21) at an acute angle to that through the pivot bearing ( 19) leading longitudinal axis of the lever arm portion (20).

Federkraftklennnnanschluss (1) according to one of claims 1 to 8, characterized in that the actuating lever (18) has a bearing contour (23) for forming a sliding bearing with the bearing surface (22) of the insulating housing (2).

10. spring power terminal (1) according to claim 1 or 2, characterized in that the insulating housing (2) has a bearing surface (39) for an operating lever (33) and the actuating element (35) one of the bearing surface (39) of the insulating housing ( 2) opposite bearing surface (38) has that a clearance for receiving a portion of the actuating lever (33) between the bearing surface (39) of the insulating housing (2) and the bearing surface (38) of the actuating element (35) is present, and that the Be - Actuation lever (33) is in the free space (34) insertable operating tool, wherein the support surface (39) and the bearing surface (38) in the extension direction (E) of the inserted into the free space (34) actuating tool offset from one another.

Federkraftklennnnanschluss (1) according to one of claims 1 to 10, characterized in that the actuating lever (18, 33) is aligned to be clamped electrical conductor (8) facing out.

Federkraftklennnnanschluss (1) according to any one of the preceding claims, characterized in that the actuating element (14, 35) extending laterally next to the clamping spring (3) and on the insulating housing (2) linearly displaceably mounted guide wall (16, 42) and a from the guide wall (16, 42) under the actuating portion (15) extending fingers (17, 40).

13. spring terminal connection (1) according to any one of the preceding claims, characterized in that the clamping spring (3) is a U-shaped bent leg spring and the actuating portion (15) of the clamping spring (3) at a distance from the clamping edge (10) on the clamping leg (9) is arranged or connected to the clamping leg (9).

14. spring terminal connection (1) according to claim 12, characterized in that the actuating portion (15) of the clamping spring (3) is formed on a side of the clamping leg (9) projecting tab.

15. spring terminal connection (1) according to any one of the preceding claims, characterized in that the actuating portion (15) of the clamping spring (3) as a frame member (27) is formed, which with the clamping leg (9) existing side web (28 a) and a located on the side bar crosspiece (29), wherein one with the clamping edge (10) provided

Clamping tongue (26) protrudes from the clamping leg (9) next to the side web (28a) and the transverse web (29) in the insertion direction (E) of the clamping edge (10) upstream or downstream.

16. spring terminal connection (1) according to any one of the preceding claims, characterized in that the actuating portion (15) of the clamping spring (3) as a frame member (27) is formed, the two with the clamping leg (9) and spaced apart side webs (28 a , 28b) and a transverse web (29) connecting the side webs (28a, 28b), one clamping tongue (26) provided with the clamping edge (10) protruding from the clamping leg (9) between the side webs (28a, 28b) and the transverse web (29) in the insertion direction (E) of the clamping edge (10) upstream or downstream.

17. spring terminal connection (1) according to claim 14, characterized in that the transverse web (29) has a further clamping edge for clamping an electrical conductor (8).

18. Federkraftklennnnanschluss (1) according to any one of the preceding claims, characterized in that the insulating housing (2) has a recess and the bearing surface (22, 39) is arranged in the recess. 19. Federkraftklennnnanschluss (1) according to any one of the preceding claims, characterized in that the bearing limb (5) in a plug-in opening (37) of the busbar (4) is inserted.

20. Federerkraftklennnnanschluss (1) according to any one of the preceding claims, characterized in that the insulating housing (2) has a surface portion which is aligned for holding the operating lever (18, 33) in an over-center or rest position with open nip.

21. A spring-loaded terminal (1) for clamping an electrical conductor (8), wherein the spring-loaded terminal (1) comprises at least one clamping spring (3) for clamping the electrical conductor (8) to the spring-loaded terminal (1) and at least one pivotable actuating lever (18) for actuating the clamping spring (3), wherein the operating lever (18) between an open position in which a clamping spring formed with the clamping spring (3) is opened, and a closed position in which the nip is closed, reciprocated, wherein the open position and the closed position form end positions of the pivotal movement of the actuating lever (18) against which the actuating lever (18) abuts a mechanical stop, characterized in that the actuating lever (18) moves beyond at least one of the end positions to an overpressing position is pivotable without causing parts of the spring clamp or the actuating lever (3) is released from the spring power terminal (1). 22. Federkraftklennnnanschluss according to the preceding claim, characterized in that the spring power terminal (1) according to one of claims 1 to 19 is formed and the actuating lever (18) for linear actuation of the actuating element (14, 35) is arranged. Spring terminal connection according to the preceding claim, characterized in that the actuating element (14, 35) is linearly displaceable by moving the actuating lever (18) into the at least one overpressing position.

Federkraftklemmanschluss according to the preceding claim, characterized in that the actuating lever (18) is rotatably mounted on the linearly displaceable actuating element (14, 35), wherein the actuating lever (18) upon movement of the actuating lever (18) in the at least one overpressure position, the linear displacement of Actuator (14, 35) participates.

25. spring terminal connection according to one of claims 21 to 23, characterized in that the Federkraftklemmanschluss (1) has a Isolierstoffge- housing (2) or another part of the spring terminal connection (1) formed overpressure contour (46) on which the bearing contour (44 , 45) of the actuating lever (18) along the movement of the actuating lever (18) along the push-over position. 26 spring terminal connection according to the preceding claim, characterized in that the overpressure contour (46) at least partially obliquely to the linear direction of movement of the actuating element (14, 35).

27. Spring terminal connection according to one of claims 20 to 25, character- ized in that the actuating force of the actuating lever (18) on movement of the actuating lever from the end position to the overpressure position increases.

28. Spring terminal connection according to one of the preceding claims,

characterized in that the actuating lever (18) is fixed to a holding part of the spring force terminal connection, in particular to the actuating element (14, 35) is fixed, and it is not destructive detachable. Federkraftklemmanschluss according to the preceding claim, characterized in that the actuating lever (18) via a pivot bearing (19) on a holding part of the spring terminal connection (1) is fixed, wherein the actuating lever (18) lever-side bearing elements of the pivot bearing (19) and the holding part holding part side bearing elements of the pivot bearing (19), wherein the holding part-side bearing elements are formed directly in the production of a form-fitting manner around the lever-side bearing elements or on the lever-side bearing elements.

Federkraftklemmanschluss according to the preceding claim, characterized in that the material of the lever-side bearing elements has a different melting temperature than the material of the holding part side bearing elements. 31. Method for producing a spring force terminal connection (1) for clamping an electrical conductor (8), wherein the spring terminal connection (1) comprises at least one clamping spring (3) for clamping the electrical conductor (8) to the spring terminal connection (1) and at least one pivotable actuating lever (18) for actuating the clamping spring (3), which is fastened via a pivot bearing (19) to a holding part of the spring-force clamping connection (1), with the following steps:

a) producing the actuating lever (18) with lever-side bearing elements of the pivot bearing (19),

b) producing the holding part of the spring force terminal connection (1) on which the actuating lever (18) is mounted by the holding part with halteteilseitigen

Bearing elements of the pivot bearing (19) is formed around the lever-side bearing elements of the pivot bearing (19) around, so that the lever-side bearing elements of the pivot bearing (19) are received during the manufacturing process of the holding part of the holding part side bearing elements of the pivot bearing (19),

c) completing the spring force terminal (1) with the assembly of the actuating lever (18) and the holding part of the spring terminal connection (1) on which the actuating lever (18) is attached, and the further elements of the spring force terminal connection (1) including the clamping spring (3).