Wiring terminal for wire

Abstract

The invention relates to a connection terminal for connecting a wire, comprising a clamping spring which is arranged in a housing and which has an elastic clamping leg which can be moved at least into an open position and a locked position, and comprising an actuating device for pressing the clamping leg into the open position and the locked position for inserting the wire, the housing has a wire insertion channel for inserting a wire into a clamping point located between the free end of the clamping leg and the busbar, the actuating device also has a pressing element and a pivoting element which interacts with the pressing element at least when the clamping leg is moved into the locking position, and at least one release device is provided, the pivoting element is designed to act on the pressing element, and the pressing element is designed to act on the clamping spring, and the pivoting element can be moved further into a stop position, in which the clamping leg is locked in the locked state, when pivoted after the clamping leg is locked in the locked state, and in which the clamping leg is locked in the locked state, and the pressing element is designed to act on the clamping spring. The pivot element is attached to the mating stop.

Description

Field of the Invention

[0001] The present invention relates to a terminal for a wire according to the preamble of claim 1. Background Art

[0002] It is known from DE102004001202A1 that a clamping spring locked in the open state is released from the locking position by means of a pivot lever, so that the clamping spring can relax and press a wire that can be inserted into the clamping part against a bus bar in order to connect the wire end. The restoration of the locked state can be carried out, for example, using a screwdriver. And it is known from DE3019149A1 that a direct plug terminal having a clamping spring locked in the open state is released from the locking position by means of a wire end, so that the clamping spring can relax in order to connect the wire end. The restoration of the locked state can be carried out using a pivot element provided outside the terminal housing.

[0003] It is also known from WO2017 / 207429A2 that the locked state of a direct plug terminal having a clamping spring can be released from the locked state using two different adjusting devices, one of which can be configured as a rocker that can be actuated via a free wire end, and the other can be configured as a pressing element. The restoration of the locked state is carried out using the pressing element. And it is known from DE102020123188A1 of this type of a terminal, in which the actuating device has a pressing element and a pivot element that cooperates with the pressing element at least when the clamping leg moves into the locking position, and at least one releasing device is provided for releasing the locked state of the clamping leg of the clamping spring, designed such that the locking position can be released by the wire acting on the releasing device when it is inserted, the pivot element is configured to act on the pressing element, and the pressing element is configured to act on the clamping leg. Summary of the Invention

[0004] Starting from the prior art of this type, the object of the present invention is to provide a terminal that is further improved in terms of reliable functionality.

[0005] The present invention solves the above object by the technical solution of claim 1.

[0006] Advantageous design solutions are given in the dependent claims.

[0007] According to the characterizing part of claim 1, when the pivot element deflects after the clamping leg is locked in the locked state, it can further move all the way to a stop position, in which the pivot element abuts against a mating stop.

[0008] In this way, it is possible to reliably prevent, in a simple manner, that a user (usually an electrical engineer or an electronics engineer) deflects the pivot lever to such an extent beyond the necessary position when releasing the locked state that the terminal or the pivot lever itself may be damaged, because the deflection of the pivot lever is reliably and definitely stopped in the stop position.

[0009] The pivot angle α to reach the locked position can be, for example, between 60° and 90° starting from the initial initial position of the pivot element, which is beneficial for achieving a clear, well-perceivable and recognizable movement of the pivot element. However, the pivot angle can also have other values.

[0010] Preferably, the locked position can be released again at least by the wire acting on the release device when it is inserted.

[0011] According to an advantageous alternative design, it can be provided that the stop on the pivot element and the mating stop are configured as corresponding stop surfaces and mating stop surfaces, and in the stop position, after exceeding a predetermined pivot angle α, the stop surface and the mating stop surface abut against each other in a parallel or substantially parallel orientation. Because in this way, a reliable and well-perceivable stop position by the user is achieved by simple means.

[0012] In order to ensure the good functionality of the corresponding spring clip, it can also be provided here that the pivot element is arranged in the operating channel upstream of the pressing element in the wire insertion direction, and / or the pivot element is configured as a pivot lever that is pivotally supported in or on the housing, and the pivot lever has a pressing arm, and the pivot lever acts on a corresponding pressing surface on the pressing element via a pressing profile using the pressing arm, and the pivot lever has a manipulation arm for preferably manually manipulating the pivot lever.

[0013] Then, according to another advantageous alternative design, it is preferred and very functionally advantageous that the stop surface of the pivot element is arranged on the pressing arm of the pivot element configured as a pivot lever. Then, the corresponding stop surface can be further preferably and structurally advantageously arranged, for example, on the pressing element or the housing.

[0014] According to a very functionally reliable variant, it can be provided that the pressing element can move linearly or substantially linearly in the operating channel of the housing. Then, it is expedient but not necessarily mandatory that the operating channel extends parallel to the wire insertion channel.

[0015] Furthermore, it can be further advantageously provided that the pressing element itself can also be latched in the locked position, and then the pressing element preferably holds the clamping leg in the open position for inserting the wire.

[0016] However, it can also be stipulated that a locking spring is advantageously and simply configured on the clamping spring, and the locking spring is used to releasably lock the clamping spring in the open locked state.

[0017] Furthermore, it can be further stipulated that the pivoting element is arranged in the actuating channel upstream of the pressing element along the wire insertion direction. This arrangement is particularly advantageous but not mandatory. However, alternatively, it can also be stipulated that the pivoting element is arranged in the actuating channel downstream of or beside the device pressing element along the wire insertion direction.

[0018] Here, on the one hand, it can be stipulated that the pivoting element is pivotally supported on the housing by means of a rotary bearing having a fixed rotation axis. However, alternatively, it can also be stipulated that the pivoting element is pivotally supported on the housing by means of a rotary bearing having a rotation axis that can translate (sequentially or simultaneously in one to three spatial directions) in space when the pivoting element pivots. In this way, the spatial requirements of the pivoting element during rotational movement can be optimized particularly according to the corresponding installation space dimensions.

[0019] Here, when the wire is inserted into the wire insertion channel, it can act on the first release device to release the locked position of the clamping spring. Optionally, one or more additional release devices can be implemented.

[0020] According to another advantageous design, it can be stipulated that the pivoting element is completely or partially arranged in the actuating channel, particularly pivotally supported in the actuating channel.

[0021] According to an advantageous variant, it can be stipulated that the pressing arm is freely and uncoupledly placed on the actuating element, such that the pivoting lever can press the clamping spring into the open position and the locked position or press the clamping spring and the pressing element into the open position and the locked position via the pressing element, and preferably in the case where the pressing element cannot pivot back from this stop position.

[0022] However, it can also be stipulated that the pivoting lever is coupled to the pressing element via a coupling device.

[0023] It can also be stipulated that the pivoting element and / or the pressing element is configured as an optical display element, and from the position of the optical display element, it can be recognized whether the clamping leg of the clamping spring is in the open state or in the clamped state.

[0024] According to the invention, in particular, a junction box having one or more terminal blocks according to any one of claims 1 to 19 and a plug connector or a circuit board terminal having one or more terminal blocks according to any one of claims 1 to 19 and preferably a disc-shaped structure can also be realized. Description of the Drawings

[0025] The present invention will be described below with reference to the drawings. It should be emphasized that only the preferred embodiments are described, and the scope of protection is not limited to the preferred embodiments. Specifically, variations and equivalent solutions of the illustrated embodiments can also be realized. In the drawings:

[0026] Figures 1a to 1c : A perspective view of a plug connector disc for a plug connector is shown in Figure 1a ), the plug connector having two terminal blocks configured as direct plug terminals, the terminal blocks being in a clamping position in which the terminal blocks can respectively fix a wire in a contact position on a bus bar in a current-conducting manner. In Figure 1b ), a front view of the plug connector disc in Figure 1a ) is shown, and in Figure 1c ), an enlarged view of detail "D" in Figure 1b ) is shown;

[0027] Figures 2a to 2d : A perspective view of two plug connector discs arranged side by side is shown in Figure 2a ), each plug connector disc having another embodiment of a terminal block configured as a direct plug terminal, the front plug connector disc or its wiring device in the plug connector discs being in a locked position in which a wire can be inserted into an open clamping portion, a pivot rod moving to a stop position on a pressing element, and the pivot rod of the wiring device of the other plug connector disc being in a position abutting against the housing. In Figure 2b ), a top view of the arrangement in Figure 1a ) is shown, in Figure 2c ), a front view of the plug connector disc in Figure 2a ) is shown, and in Figure 2d ), an enlarged view of detail "E" in Figure 2c ) is shown;

[0028] Figures 3a to 3e : Views of a section of the plug connector disc in FIG. 1 are respectively shown in Figure 3a ) to Figure 3e ), the pivot rod in Figure 3a ); Figure 3b ) or Figure 3c ) and Figure 3d ) or Figure 3efrom a first initial position (here the abutment position on the housing) in two angular strokes until in the stop position on the clamping element;

[0029] Figures 4a to 4e : in Figure 4a to Figure 4e FIG. 1 and Figures 3a to 3e views of the said section of the plug connector disk in Figure 4a are shown; Figure 4b or Figure 4c and Figure 4d or Figure 4e from the first abutment position on the housing in two angular strokes until in the stop position on the clamping element;

[0030] Figures 5a to 5d : in Figure 5a and Figure 5b a perspective view and a side view of the actuating device of the plug connector disk in FIG. 1 are shown respectively, the pivoting element in Figure 5a and Figure 5b has not yet fully abutted on the housing of the plug connector, and the pivoting element in Figure 4b and Figure 4d moves until in the stop position in the pivoted-out state;

[0031] Figures 6a to 6d shows Figure 5a and Figure 5c a sectional view of the arrangement structure along line A - A (also see Figure 2b ), and in Figure 6b and Figure 6d shows Figure 6a and Figure 6c partial enlarged views in

[0032] Figures 7a to 7c : in Figure 7a a perspective view of another plug connector composed of a plurality of plug connector disks is shown, each of the plug connectors has two terminal blocks configured as direct plug terminals, and only one pivoting rod is visible; in Figure 7b a plug connector disk released from the row is shown, and this plug connector disk is Figure 7c more slightly away from the remaining plug connector disks than in Figure 7a ;

[0033] Figure 8a 、 Figure 8b : in Figure 8a and Figure 8b shows Figure 7a and Figure 7bA perspective view of a section of a plug connector composed of a plurality of plug connector disks, wherein the pivot rods of the terminals of the plug connector disks are pivoted to different rotational positions in Figure 8a ), and Figure 8b ), respectively;

[0034] FIG. 9: Another perspective view of the arrangement shown in Figure 9a ), and a cross-sectional view rotated 180° of a section of the third plug connector disk from the front in Figure 8b ), and Figure 9b ), and Figure 9c ), respectively; Figure 9a DETAILED DESCRIPTION DETAILED DESCRIPTION

[0035] FIG. 1 and Figure 2a show one or two plug connector disks, and the plug connector disks respectively have a housing 1. As can be seen in Figure 2a ), two or more plug connector disks can in particular be directly juxtaposed to each other.

[0036] Accordingly, this housing 1 is here constructed as the housing 1 of a plug connector disk of a preferably multi-disk plug connector, in which one (FIG. 1) or more ( Figure 2a two in Figure 2a ), respectively) terminals 2 can be constructed. The terminals 2 in FIG. 1 and

[0037] have a similar function in establishing a locking position to be further explained. Figure 7a Accordingly, especially also referring to Figure 1a ), it is possible to respectively insert a plurality of plug connector disks or their housings 1 into each other in the arrangement direction and thus realize a plug connector arrangement in a disk structure. Here, each plug connector disk can then be assembled into a higher-level plug connector by means of corresponding locking and / or clamping devices (such as a locking device 102 and a mating locking device 103,

[0038] ).

[0039] Alternatively, the housing 1 can be constructed as the housing 1 of another device, for example, the housing of a junction box or the like (not shown here), and then there will be one or more of the said terminals 2.

[0040] The structure of one or more of the terminal blocks 2, which preferably have the same construction, will be described in detail below. The two terminal blocks 2 can also have different structures, where one terminal block 2 can be designed, for example, as a direct plug-in terminal of the structure type shown, and the other terminal block can be designed as a terminal block of another structure type.

[0041] The terminal blocks 2 in all the figures shown have a clamping spring 4 and a busbar 5. With the clamping spring 4, the free (e.g., stripped) wire end of a single-strand or multi-strand wire can be pressed onto the busbar 5 so that the wire end and the busbar 5 can be conductively connected to each other. This position (shown on the left terminal block 2 in Fig. 1 but without the wire end inserted therein) is also referred to below as the clamping position or contact position K. In this position, the wire is pressed onto the busbar 5 in a clamped state and thereby made conductive. The busbar 5 can also be constructed as part of a superior element, such as a clamping cage.

[0042] The corresponding clamping spring 4 can be constructed in a V-shape or substantially V-shape. The corresponding clamping spring 4 has a support leg 6 for supporting the clamping spring 4 on a support, in particular on the tab 9 of the housing 1 (Fig. 1), and the corresponding clamping spring has an elastically acting clamping leg 7, and the two legs 6, 7 can be connected to each other via at least one arcuate portion 8. The clamping spring 4 can be placed in the region of the arcuate portion 8 via a pin 10, in particular a pin 10 of the housing 1. In this way, the connection between the clamping spring and the busbar can be advantageously and simply omitted. The support of the clamping spring 4 in the plastic of the housing 1 remains durable and reliable. Other types of support are also conceivable.

[0043] Preferably, two channels 11, 12 are constructed in the housing 1 at least locally laterally of the clamping spring 4 and preferably locally above the clamping spring 4. The channels 11, 12 extend here substantially or precisely parallel to the wire insertion direction X.

[0044] One of the two channels 11, 12 is constructed as a wire insertion channel 11 through which the wire end can be guided in the housing 1 in the region of the clamping spring 4 and at the free end of the clamping leg 7 along the wire insertion direction X to the clamping site or the wire contact site K (see Figure 2a ). The exact position of the wire contact site depends on the wire diameter.

[0045] The other of the two channels 11, 12 is constructed as a manipulation channel 12 for moving the manipulation device 13 of the terminal block 2 in the housing 1.

[0046] The actuating device 13 advantageously consists of a combination of a pressing element 14 and a pivoting element 15. The pivoting element 15 can be configured as a pivoting lever having two lever arms 15a, 15b angled relative to each other. The lever arm 15a is the actuating arm, and the lever arm 15b is the pressing arm (see Figure 2a ).

[0047] The pivoting element 15 is located upstream of the pressing element 14 in the direction of the clamping spring 4. The pressing element 14 can be designed to act directly on the clamping leg 7 using the lever arm 15b to move or pivot the clamping leg into the open position and the locking position. The actuating arm, i.e., the lever arm 15a, can project externally from the housing 1 such that the actuating arm or the lever arm can be manually operated.

[0048] Overall, the pivoting element 15 acts on the clamping leg 7 via the pressing element 14. Preferably, the pressing element 14 and the pivoting element 15 are configured as separate components. The pressing element and the pivoting element can be disengaged from each other such that the pressing element and the pivoting element move together along the pressing direction or the wire insertion opening X, and such that the pressing element and the pivoting element can be removed from each other in the region of the clamping site (see Figures 5a to 5d ).

[0049] However, the pivoting element 15 and the pressing element 14 can also be coupled to each other such that the pivoting element and the pressing element can only move together along the wire insertion direction X and against this direction (not shown).

[0050] The pressing element 14 can basically be configured as a moving element that can move linearly or substantially linearly in the actuating channel 12. Using this moving element, pressure can be applied at least on the clamping leg 7 outside its clamping edge so that the clamping leg moves into the open position, in which the clamping site K is opened, so that the wire end can be inserted into the clamping site or between the free end of the clamping leg 7 and the busbar 5. It can also be provided here that the pressing element 14 can move into the locking position R in a predetermined position in the actuating channel 12 using a movement component angled with respect to the wire insertion direction. In this locking position, the pressing element is latched in the housing 1 of the terminal 2 on the locking edge 17 or on the busbar section 3 or the like. In this position latched in the housing 1, the pressing element acts on the clamping leg 7 such that the clamping leg is pressed down, so that the wire that has been made conductive can be removed again from the region of the contact and clamping site K or can be inserted into the contact and clamping site (also see Figure 2a ).

[0051] Here, the pivot rod 15 is designed such that the pressure can be applied to the pressing element 14 by pivoting (using a tool or directly by hand) the pivot rod, so that the pressing element 14 moves substantially linearly or moves substantially linearly in the operating channel 12. In this way, the pressure can be applied to the clamping leg 7 in a simple manner by pivoting the pivot rod 15 via the pressing element 14 as an intermediate element, so as to deflect the clamping leg 7 and to open the clamping part.

[0052] Advantageously, with this arrangement, it is also possible here to lock the clamping leg 7 in the open position. The "locking position" R is characterized in that the free end of the clamping leg 7 is releasably locked in this locking position at a distance from the bus bar 5, so that the wire end can be inserted into the region of the clamping part K with as little resistance as possible. The locking position is shown in Figure 2a In.

[0053] According to an alternative advantageous design, the locking position can be achieved by locking the pressing element 14 in a position in which the clamping leg 7 acts on the end of the pressing element 14 via a manual or tool-assisted action on the pivot rod 15 (i.e., by its deflection), thereby pressing down the clamping leg 7 (Figure 1). Conversely, according to Figure 2, the clamping leg 7 is locked on the locking spring 41 (which will be explained in more detail).

[0054] If the pressing element 14 and the operating channel 12 have corresponding locking edges 16, 17 on their facing sides, then at the moment when the two locking edges 16, 17 pass axially by each other, the pressing element 14 in Figure 1 is pressed into the locking position slightly laterally to the wire insertion direction X by the clamping spring 4.

[0055] It can also be provided that the two corresponding locking edges are not provided on the housing 1 and the pressing element 14, but on other parts, i.e., for example, not only between the pressing element 14 and the bus bar 5 (not shown).

[0056] Thus, as defined in FIG. 1: The clamping element 14 is latched in a predetermined axial position in the actuating channel 12 on a support, for example in the housing 1 or on the busbar section 3, so that the clamping spring 4 or the clamping leg 7 is in the open position and is also in the locked position by latching the clamping element 14 in the housing 1 or other element. In this locked position, the free wire end can be inserted into the wire insertion channel 11 to such an extent that when the clamping leg 7 is released from its locked position, the clamping leg 7 elastically presses the wire end onto the busbar 5. The busbar 5 can be bent into a clamping cage, for example in an L-shape or a U-shape, so that a plug opening for the wire is formed in the clamping cage. This is the case in both embodiments of FIGS. 1 and 2. To establish the locked state, the clamping element 14 is also applied to the clamping leg 7 here, and the clamping leg is indirectly latched in the locked state together with the latching of the clamping element 14.

[0057] Here, the locked position R according to FIGS. 1 and Figure 2a can be released again behind the clamping site K in the wire insertion direction X in the wire insertion channel by at least one release device. This release device 18 can, for example, have a pivoting element, in particular a pivoting rod, one arm of which is arranged in the wire insertion channel 11, for example "behind" or "below" the clamping site K in the wire insertion direction, and the other arm of which is designed to pivot the clamping element 14 (which can then extend correspondingly long in the actuating channel 12 until behind the clamping site) back from the locked position by the action of the wire when the release device 18 is deflected, so that the clamping element is released from the latching, such that the clamping leg 7 can relax and make contact with the inserted wire end.

[0058] Conversely, according to Figure 2a , the locking spring 41, which is advantageously but not compulsorily provided integrally with the clamping spring 4 here, is constructed on the clamping spring 7. This locking spring can have a locking leg 42, which can be latched on the clamping leg 7, for example on a cutout of the clamping leg 7 remote from the clamping edge of the clamping leg 7, so that after the locking leg 7 is deflected away from the busbar 5 into the locking position on the locking leg 42, the clamping spring 4 is also in the open locked state or can be latched in the open locked state. The locking spring 41 also advantageously has an actuating section 43, which projects substantially transversely to the wire insertion direction into the wire insertion channel 11 ( Figure 2a ). If a wire is now inserted, the latching of the clamping spring 4 can also be released again. Then, however, there is only one release device, which is formed by the actuating section 43 on the locking spring 41 (using the wire for release). However, with the clamping element 14, the locked state is also restored here by pressing the clamping leg 7. Thus, this function is in FIGS. 1 and Figure 2ais common in the terminal.

[0059] For FIGS. 1 and Figure 2a The operation of the terminal is simple and reliable. Particularly advantageous is that by using a solution in which the operating device is constructed of two elements (here consisting of a pivoting element 15, in particular a pivoting lever, and a pressing element 14), the operating characteristics can be changed with respect to an operation via only one pressing element 14.

[0060] Thus, the pivoting element 15 can have lever arms 15a, 15b of the same length or of different lengths.

[0061] One of the arms, namely the lever arm 15a of the pivoting element 15, serves as an operating arm, which can deflect the pivoting element 15 during manual or tool-based operation. The other of the two arms, namely the lever arm 15b, is used to press down the pressing element 14. It is generally designed shorter than the longer lever arm 15a, i.e., the operating arm.

[0062] The length of the operating arm 15a has a decisive influence on the magnitude of the force used to press down the pressing element 14, open the clamping legs 7, and move the clamping legs back into the locking position.

[0063] In this regard, the operating arm 15a can be designed shorter or longer, for example, to allow manual operation or operation using a tool (such as a screwdriver).

[0064] In addition, by using the pivoting element 15, the direction from which the operation is to be performed can also be simply changed.

[0065] It can also be provided that the operating lever is basically arranged within the operating channel 12 (see FIG. 1), protruding only slightly beyond the edge of the junction box or the plug connector.

[0066] Thereby, the pivoting element 15 can be rotatably supported in the housing 1 according to a variant (for example, FIGS. 1 and 2).

[0067] For this purpose, the pivoting element can have a pin that is rotatably received in a void or a hole (not shown) in the housing 1. Alternatively, the pivoting element 15 can also have a void 22 into which a pin 23 of the housing 1 is rotatably received ( Figures 3a to 3e , Figures 4a to 4e ), such that a fixed rotary bearing with a fixed rotation axis is thereby formed.

[0068] However, alternatively, it is also conceivable that the rotary bearing does not have a fixed rotation axis (not shown, see the prior art mentioned at the beginning of the text).

[0069] It can be further specified that the pivot element 15 is placed on the upper end or the end surface 141 of the pressing element 14 ( Figure 3a ), particularly on the free end of the pressing arm 15b, on the outer periphery of the pressing element 14, and can roll thereon using, for example, an eccentric pressing profile 151. This pressing profile 151 ( Figure 3a ) is preferably constructed such that when the pivot element 15 pivots along the wire insertion direction X or "downward", the pressing element 14 is pressed (see Figures 3a to 3e and Figures 4a to 4e ).

[0070] In this way, the pressing element 14 can be pressed down by manipulating the pivot element 15 to open the clamping spring 4 and to be able to re - establish the locked state R. When the pressing element 14 is unlocked, the clamping leg 7 is released and the pressing element 14 moves upward, thereby restoring the pivot element 15 (if it has not been manually pivoted back before).

[0071] Therefore, the coupling between the pivot element 15 and the pressing element 14 can be designed simply and reliably. However, alternative designs for this coupling are also conceivable.

[0072] Optionally, it can be specified that the pivot rod 15 or the pressing element 14 also optically indicates whether the corresponding terminal is in the open locked position or in the clamped position by the occupied position.

[0073] To optically indicate the wiring state, for example, it can be specified that the pressing element 14 projects with its free end 143 from the housing 1 (here above) in at least one wiring state (see Figures 3a to 3e , Figures 4a to 4e ).

[0074] For this purpose, it can be specified that projections are provided laterally on the pressing profile and the seating surface, and these projections form the free end 143. For example, via the end 143, by deflecting the pressing element 14, the locked state of this element on the housing can be released and thus also the locked state R of the clamping spring 4 (or, for example, by a screwdriver to be inserted into the opening 12).

[0075] To prevent the user (usually an electrical engineer or an electronics engineer) from deflecting the pivot rod too far beyond the locked position R ( Figures 3a to 3e and Figures 4a to 4e and Figures 5a to 5d ), which may damage the pivot rod itself or other components, it can be specified that a stop is constructed on the pivot rod, and this stop is at a predetermined pivot angle α from the initial position ( Figure 4e), it is usually externally abutted against the corresponding mating stop in the stop position A against the actuating arm 15a on the housing 2, so that the deflection of the pivot lever is stopped in the stop position. This pivot angle α can be, for example, 60° to 90° (for example, see Figure 4a ), which is beneficial for achieving the defined movement of the pivot lever 15, but on the other hand is not mandatory.

[0076] Here, in a particularly preferred design, it can be provided that: the stop and the mating stop are configured as corresponding stop surfaces 142 and mating stop surfaces 152, and the stop surface and the mating stop surface are abutted against each other in a parallel or substantially parallel orientation in the stop position after exceeding a predetermined angle (especially see Figure 5c ) and Figure 5d ).

[0077] Furthermore, according to a further alternative design, it can be provided that: the pivot lever can also be releasably latched to the element having the mating stop 142 in the stop position, and corresponding locking devices and mating locking devices, such as pins and gaps and / or clamping devices and mating clamping devices, such as pins and gaps, can also be constructed on the pivot lever and the stop element.

[0078] The element having the mating stop 142 can be the pressing element 14 (Figs. 1 to 6).

[0079] However, the element having the mating stop 101 can also be the housing 2 (Figs. 7 to 9). There, the corresponding exemplary mating stop surface has the reference numeral 101 (see Figure 7a and the embodiments of the subsequent figures). The stop surface 152 can be constructed on each of the two lever arms 15a, 15b. According to Figs. 1 to 6, the stop surface is constructed on the actuating arm 15a, and according to Figs. 7 to 9, the stop surface is constructed on the pressing arm 15b.

[0080] It is preferably only when the pressing element 14 has reached the locking position R of the clamping spring and has reached its own locking position formed on the housing 2 and is locked there that it reaches the stop position A. In this way, the function of locking the clamping spring 4 in the open position is advantageously fully retained, so that it is still possible to prevent incorrect insertion of the fine core wire. Because even in the stop position A, the core wire can still be inserted into the open clamping spring 4 and thus the locking of the clamping spring 4 can be released, and this locking can be indirectly achieved by locking the clamping leg 7 by locking the pressing element 14 to the housing. Here, the stop position A is obstructive because this stop position is used to avoid damage.

[0081] It is even still possible to pivot the pivot lever 15 back from the stop position A to the housing 2. Thereby, the locking position is not released.

[0082] The plug connector may preferably also have a plug connector 24 on each terminal, if necessary, for contacting a mating plug, for example on the side facing away from the terminal 2 (see FIG. 1).

[0083] It should also be mentioned that the plug connector (as well as the junction box) may have a rear wall 26, which is configured as the rear wall 26 of the housing 1. From the other side, a void 27 is configured in the housing 1 according to the type of the assembly contour, so that the structural elements can be assembled from the other side (see FIG. 1).

[0084] If the terminals are configured as connectors of a junction box, the terminals may also be side by side with each other.

[0085] Furthermore, it is conceivable that a cover plate is provided on the open side of, for example, the last plug connector in a row, in order to also protect the wiring device inside the plug connector from external influences and to reliably prevent incorrect insertion of the wire ends again.

[0086] It should also be noted that not all elements of the corresponding terminals are shown in FIGS. 7 to 9, but only some elements that are particularly used to implement the stop function. The terminal may be configured, for example, according to the type of FIG. 1 or Figure 2a of the type. List of reference numerals

[0087] 1 Housing

[0088] 2 Terminal

[0089] 3 Busbar section

[0090] 4 Clamping spring

[0091] 5 Busbar

[0092] 6 Support leg

[0093] 7 Clamping leg

[0094] 8 Bend

[0095] 9 Tab

[0096] 10 Pin

[0097] 11 Wire insertion channel

[0098] 12 Manipulation channel

[0099] 13 Manipulation device

[0100] 14 Compression element

[0101] 15 Pivoting element

[0102] 15a, 15b Lever arm

[0103] 16 and 17 locking edges

[0104] 18 release device

[0105] 22 clearance part

[0106] 23 protrusion

[0107] 24 plug connector

[0108] 26 rear wall

[0109] 27 clearance part

[0110] 41 locking spring

[0111] 42 locking leg

[0112] 43 operating section

[0113] 101 mating stop surface

[0114] 102 locking device

[0115] 103 mating locking device

[0116] 141 pressing surface

[0117] 142 mating stop surface

[0118] 151 pressing profile

[0119] 152 stop surface

[0120] X wire insertion direction

[0121] K clamping position / contact position

[0122] R locking position

[0123] A stop position.

Claims

1. A terminal (2) for wiring a conductor, the terminal being constructed as a direct plug-in terminal, the terminal having a clamping spring (4) arranged in a housing (1), the clamping spring having an elastic clamping leg (7) capable of being moved at least to an open position and a locked position, an operating device (13) being provided for pressing the clamping leg down to the open position and the locked position for inserting the conductor, the housing (1) having a conductor insertion channel (11) for inserting the conductor into a free end of the clamping leg (7) and a busbar (5 ), the operating device (13) also has a clamping element (14) and a pivot element (15) cooperating with the clamping element (14) at least when the clamping leg (7) moves into the locked position, at least one release device is provided for releasing the locked state (R) of the clamping leg (7) of the clamping spring (4), the pivot element is constructed to act on the clamping element (14), and the clamping element (14) is constructed to act on the clamping spring (4), in particular the clamping leg (7), characterized in that After the clamping leg (7) is locked in the locked state (R), the pivot element (15) can be moved further during deflection into a stop position (A), in which the pivot element abuts against a counter-stop.

2. The connecting terminal (2) according to claim 1, characterized in that: The stop on the pivot element (15) and the mating stop are constructed as corresponding stop surfaces and mating stop surfaces (152, 142, 101), which abut against each other in parallel or substantially parallel orientation in the stop position (A) after exceeding a predetermined angle.

3. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pivoting element (15) is arranged in the actuating channel (12) upstream of the pressing element (14) in the wire insertion direction (X).

4. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pivot element (15) is designed as a pivot lever, which is pivotably supported in or on the housing (1) and has a pressure arm (15b), with which the pivot lever acts via a pressure contour (151) on a corresponding pressure surface (141) of the pressure element (14), and has an actuating arm (15a) for preferably manually actuating the pivot lever.

5. The connecting terminal (2) according to claim 4, characterized in that: The stop surface (152) of the pivot element (15) is arranged on a clamping arm (15b) of the pivot element (15) which is designed as a pivot lever.

6. The connecting terminal (2) according to claim 4, characterized in that: The stop surface (152) of the pivot element (15) is arranged on an actuating arm (15a) of the pivot element (15) which is designed as a pivot lever.

7. The connecting terminal (2) according to any one of the preceding claims, characterized in that The stop surface (142) is arranged on the pressing element (14).

8. The connecting terminal (2) according to any one of the preceding claims, characterized in that The stop surface (101) is arranged on the housing (2).

9. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pressing element (14) is linearly or substantially linearly movable in an actuation channel (12) of the housing (1), the actuation channel extending parallel to the wire insertion channel (11) or inclined at an angle of up to ±90° to the wire insertion channel (11).

10. The connecting terminal (2) according to any one of the preceding claims, characterized in that A locking spring (41) is formed on the clamping spring (4) and is used to lock the clamping spring (4) in an open, locked state.

11. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pressure element (14) itself can be locked in a locking position, in which it holds the clamping leg (7) in the open position for inserting the line.

12. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pivot element (15) acts on the pressure element (14) in order to release the locked position.

13. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pivot element (15) is arranged completely or partially in the actuation channel (12).

14. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pivot element (15) is pivotably supported on the housing (1).

15. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pivot element (15) is pivotably supported on the housing (1) by means of a pivot bearing having a stationary axis of rotation.

16. The connecting terminal (2) according to any one of the preceding claims, characterized in that The clamping arm (15b) is freely mounted on the operating element (14), so that the pivot rod (15) can move the clamping element (14), so that the clamping element can act on the clamping leg (7), so that the pivot rod (15) can press the clamping spring (4) alone into an open position and a locked position via the clamping element (14) or press the clamping spring (4) and the clamping element (14) together into an open position and a locked position.

17. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pivot element (15) or the pressure element (14) is designed as an optical display element, from the position of which it is possible to detect whether the clamping leg (7) of the clamping spring (4) is in the open state or in the clamped state.

18. The connecting terminal (2) according to any one of the preceding claims, characterized in that When the wire is inserted into the wire insertion channel (11), it acts on a first release means (18) to release the locking position of the clamping spring (4).

19. The connecting terminal (2) according to any one of the preceding claims, characterized in that The pressure element (14) is designed as a further release means (18) for releasing a locked position of the clamping spring (4). 20 . A junction box having one or more connection terminals according to claim 1 . 21 . A plug-in connector or a printed circuit board terminal, comprising one or more connecting terminals according to claim 1 .

22. The plug connector or circuit board terminal according to claim 21, characterized in that: The plug connector or the circuit board terminal also has a disc-shaped structure.

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