DE102019135203A1 - Connection arrangement, connection device and electronic device - Google Patents

Abstract

The invention relates to a connection arrangement (100) for connecting an electrical conductor (300), with - a conductor connection space (110), - a current bar (111) which has a current bar section (112) against which the conductor connection space (110) introduced conductor (300) to be connected can be clamped, - a clamping spring (113) which has a clamping leg (115) which can be transferred into a clamping position and an open position, - an actuating element (129) by means of which the clamping leg (115) the clamping spring (113) can be transferred from the clamping position to the open position, - a holding element (121) which has a fastening section (120) which, in the open position, is in engagement with the clamping leg (115) of the clamping spring (113), around the To hold the clamping limb (115) in position, the holding element (121) having a pressure surface (128) to transfer the clamping limb (115) of the clamping spring (113) from the open position to the clamping position which can be actuated when the conductor (300) is inserted into the conductor connection space (110) of the conductor (300) to be connected, that by actuating the pressure surface (128) the fastening section (120) of the holding element (121) is disengaged from the Clamping leg (115) can be brought, and a display element (135) for displaying a connection state of the electrical conductor (300).

Description

The invention relates to a connection arrangement for connecting an electrical conductor. The invention also relates to a connection device with at least one such connection arrangement and an electronic device.

Such connection arrangements usually have a clamping spring designed as a leg spring which has a holding leg and a clamping leg, wherein a conductor inserted into the connection arrangement can be clamped against a current bar by means of the clamping leg of the clamping spring. If, in particular, flexible conductors are clamped, the clamping spring must be moved into an open position by means of the actuating element before the conductor is inserted and thus actuated in order to pivot the clamping spring or the clamping leg away from the current bar so that the conductor enters the space between the current bar and the clamping spring can be inserted. Only in the case of rigid and therefore stable conductors can the conductor apply enough force to the clamping spring or the clamping leg of the clamping spring to be able to pivot the clamping leg away from the busbar without the operator having to operate the actuating element. In the case of flexible conductors, the user must first pivot the clamping spring away from the current bar by actuating the actuating element so that the flexible conductor can be inserted. In order to clamp the inserted conductor, the operating element must be manually operated one more time by the user in order to transfer the clamping spring from the open position to the clamping position. The actuation of the actuating element by the user makes the assembly or connection of the conductor more difficult for the user, since the handling is cumbersome and thus the expenditure of time increases.

The invention is therefore based on the object of providing a connection arrangement and a connection device in which the connection of, in particular, flexible conductors can be improved.

The object is achieved according to the invention with the features of the independent claims. Appropriate refinements and advantageous developments of the invention are specified in the subclaims.

The connection arrangement according to the invention has a conductor connection space, a current bar which has a current bar section against which the conductor to be connected, which is introduced into the conductor connection space, can be clamped, a clamping spring which has a clamping leg which can be moved into a clamping position and into an open position, and a holding element which has a fastening section which, in the open position, is in engagement with the clamping limb of the clamping spring in order to hold the clamping limb in position, wherein for transferring the clamping spring from the open position into the clamping position, the holding element has a pressure surface which when Introducing the conductor into the conductor connection space of the conductor to be connected can be actuated in such a way that the fastening section of the holding element can be brought out of engagement with the clamping leg by actuating the pressure surface. Furthermore, the connection arrangement has a display element for displaying a connection state of the electrical conductor.

By means of the connection arrangement according to the invention, a flexible conductor can now also be connected without manual actuation of the actuating element and clamped against the current bar section of the current bar. The clamping spring is preferably designed as a leg spring which has a retaining leg and a clamping leg which is designed to be pivotable relative to the retaining leg. The holding leg is preferably arranged in a fixed position. For example, the holding limb can be fastened to the current bar, so that the clamping spring can be held on the current bar via its holding limb. By pivoting the clamping leg of the clamping spring, it can be moved into an open position, in which the clamping leg is arranged at a distance from the current bar section and a conductor to be connected can be introduced into or out of a space thus formed between the current bar section and the clamping leg, and into a clamping position, in which the clamping leg can rest on the current bar section or on the connected conductor in order to clamp the conductor against the current bar section, can be transferred. The connection arrangement has a holding element which, in the open position of the clamping spring, is in engagement with the clamping leg of the clamping spring in such a way that the clamping leg of the clamping spring is held in the open position without manual assistance in such a way that, in particular, a flexible conductor enters the space thus formed between the Current bar section and the clamping spring can be inserted. The intermediate space forms the conductor connection space into which the conductor to be connected can be inserted. The holding element has a fastening section on which the clamping limb can be held in the open position, so that an unintentional pivoting back of the clamping limb in the direction of the current bar section can be prevented. The holding element has a pressure surface which is aligned with an insertion area of the conductor into the Connection arrangement and thus arranged in an extension of a conductor insertion opening, so that the conductor abuts against the pressure surface of the holding element when it is inserted into the connection arrangement and thus the clamping leg can be released from the fastening section of the holding element. With this special mechanism, a flexible conductor can be connected particularly simply by the insertion movement of the conductor alone, without a user having to actuate further elements, such as the actuating element, on the connection arrangement in order to release the clamping spring and move it from the open position to the clamping position convict. This facilitates the handling of the connection arrangement and saves time when connecting a conductor. In order to release the conductor to be connected from the clamping position again, the clamping leg of the clamping spring can be pivoted away from the current bar section by means of the actuating element until the open position is reached and the clamping leg engages the holding element in order to hold the clamping spring in this open position. The holding element is preferably an element or component formed separately from the clamping spring and the busbar. In the direction in which the conductor is inserted, the conductor connection space is delimited at the bottom by the holding element. The holding element preferably extends essentially transversely to the current bar section of the current bar.

The connection arrangement also has a display element by means of which a user can visually recognize whether the conductor to be connected is in the correct position within the connection arrangement in order to be able to ensure a secure connection. In particular, the display element can indicate to a user whether the conductor to be connected is inserted deep enough into the conductor connection space in order to be able to achieve secure clamping. The user can visually see through the display element whether the electrical conductor inserted into the connection arrangement is already clamped against the current bar by means of the clamping spring, or whether the conductor has already been inserted into the housing of the connection device having the connection arrangement, but the retaining element has not yet been triggered has been and thus the clamping spring has not yet reached a clamping position. Furthermore, the display element can also be used to indicate the position in which, in the clamping position or in the open position, the clamping leg of the clamping spring is located. This means that a user can see an incorrectly triggered clamping spring, i.e. a clamping leg that has undesirably moved from the open position into the clamping position, by means of the display element and can be reset or moved back again by the user via the actuating element.

The display element can preferably be formed on the actuating element. The connection state of the conductor and also the position of the clamping leg of the clamping spring can thus be visually displayed for a user directly via the position of the actuating element. The display element can be part of the actuating element. The display element can be formed on a head region of the actuating element, wherein the head region can be formed on a front end of the actuating element remote from the actuating surface of the actuating element. The display element formed on the actuating element enables constant visual feedback about the connection state of the conductor to be connected, regardless of the size of the diameter of the electrical conductor. If the display element is formed on a front end of the actuating element, the display element can protrude from an opening of a housing when the conductor is connected. This enables clear visual feedback for a user in order to be able to indicate to the user whether the conductor is clamped between the clamping spring and the current bar and thus connected or not. If the conductor is not yet clamped and thus not connected, the front end of the actuating element and thus the display element is preferably still inside the housing and does not protrude from the opening of the housing, so that the display element is not yet visible to a user. The connection state of the electrical conductor can be visually displayed to a user in a simple manner simply by virtue of the position of the display element.

Furthermore, a spring element can be provided which can interact with the actuating element. A clamping force can be applied to the actuating element via the spring element. The spring element is preferably designed as a compression spring. The spring element is preferably designed in the form of a spiral spring. In the clamping position of the clamping leg of the clamping spring, the spring element is preferably in a relaxed, released state, so that the actuating element is moved away from the holding element via the spring element. In the open position of the clamping leg of the clamping spring, the spring element is preferably in a tensioned state. The spring element can be used to ensure that the actuating element and thus the display element formed on the actuating element are always brought to the same height, especially in the clamping position of the clamping leg of the clamping spring, regardless of the size of the cross section of the connected conductor.

The actuating element can, for example, have a recess in which the spring element is arranged at least in some areas.

The connection arrangement can preferably be constructed in such a way that the current bar section can be arranged between the conductor connection space and the fastening section of the holding element. In order to improve the positioning of the individual elements with respect to one another and thereby also make it easier for a user to connect a conductor, the current bar section is arranged between the conductor connection space and the fastening section of the holding element. The current bar section thus separates the area where the conductor is inserted and clamped (the conductor connection space) from the actuating element. To actuate the clamping leg of the clamping spring, the actuating element preferably acts on an end section of the clamping leg of the clamping spring. This end section of the clamping leg is preferably led past the current bar section. The end section of the clamping leg is thus preferably led out of the conductor connection space, so that the clamping leg extends beyond the conductor connection space. The conductor connection space preferably extends between the bearing point of the clamping spring in the area of its arcuate section and the current bar section.

The holding element is preferably mounted such that it can be tilted. By applying a pressure force to the pressure surface by means of the conductor, the holding element can thereby be set in a pivoting movement or tilting movement in the direction of the insertion direction of the conductor. Due to the pivoting movement of the holding element, the fastening section of the holding element can be brought out of engagement with the clamping limb of the clamping spring, so that they can be released from one another without manual help and the clamping limb of the clamping spring can be transferred from the open position to the clamping position without manual help to clamp the conductor introduced into the conductor connection space against the current bar section.

The holding element is preferably mounted on the current bar such that it can be tilted. The holding element can be mounted on the current bar in such a way that the holding element engages around the current bar, in particular the current bar section. For example, the holding element can have a window-like opening through which the current bar can protrude with its current bar section. The current bar section can thus spatially separate the pressure surface of the holding element from the fastening section of the holding element.

In order to be able to ensure that the clamping leg of the clamping spring is held securely in the open position on the fastening section of the holding element, the fastening section of the holding element can preferably have a hook shape. In the open position, the clamping leg can thereby be hooked behind on the fastening section. The fastening section can, for example, have a half S-shape in order to form the hook shape.

The clamping leg of the clamping spring preferably has a feed-through opening for passing the conductor to be connected through, wherein the current bar section can protrude through the feed-through opening. When the conductor to be connected is inserted in the insertion direction, the conductor can then be passed through the feed-through opening so that the conductor protrudes through the feed-through opening of the clamping leg in the connected state. The current bar section, against which the conductor is clamped, also preferably protrudes through the lead-through opening. The formation of the lead-through opening makes it possible for the clamping leg to protrude beyond the current bar section and thereby be fastened with its end section outside the conductor connection space to the fastening section of the holding element. The lead-through opening is preferably designed in the form of a window which is delimited by several, in particular by four, delimiting edge surfaces. The lead-through opening preferably has a rectangular shape.

The lead-through opening can have a first delimiting edge surface which can form a clamping edge for the conductor to be connected. The clamping edge for clamping the inserted conductor against the current bar section is then preferably not formed at a free end of the clamping leg, but in the area of the feed-through opening of the clamping leg, which is formed along the length of the clamping leg. The delimiting edge surface forming the clamping edge is preferably directed in the direction of the current bar section. By clamping the conductor to be connected within the lead-through opening and by means of the clamping edge formed on the delimiting edge surface of the lead-through opening against the current bar section also passed through the lead-through opening, a particularly gas-tight clamping connection of the conductor to the current bar section can be formed and achieved.

The lead-through opening also preferably has a second delimiting edge surface which, in the open position, engages with the Can be fastening portion of the holding element. When the clamping leg is transferred from the clamping position to the open position, the clamping leg can be pivoted in such a way that the holding element with its fastening section can dip through the feed-through opening so that the fastening section can hook or snap into the second delimiting edge surface in order to hold the clamping limb in the open position to be able to. The second delimiting edge surface is preferably formed opposite the first delimiting edge surface. The second delimiting edge area is preferably outside the conductor connection space. The first delimiting edge area is preferably within the conductor connection space.

In order to actuate the clamping leg, the actuating element can have an actuating surface at a front end. This actuating surface can be provided on an actuating nose formed on the front end of the actuating element. In the area of the actuating nose, the actuating element can have a smaller cross-sectional area than in the remaining area of the actuating element.

The actuating nose can preferably be shaped in such a way that it can be held on the fastening section of the holding element in the open position. The actuating element can then be held in the open position together with the clamping leg on the fastening section of the holding element. The fastening nose can be bent or bent in the shape of a hook, so that the fastening nose can hook behind the fastening section of the holding element.

The object according to the invention is also achieved with a connection device which has a housing and at least one connection arrangement arranged in the housing, the at least one connection arrangement being designed and developed as described above.

The connection device can, for example, be a connection terminal, such as a series terminal or a circuit board connection terminal. Furthermore, the connection device can also be a plug connector. One or more of the connection arrangements according to the invention can be arranged and formed within the housing of the connection device. A display element of a connection arrangement can be positioned and guided within the housing in such a way that the connection state can be displayed to a user via a position of the display element relative to the housing. If a conductor is securely connected and the clamping leg of the clamping spring is in the clamping position, the display element can preferably protrude from the housing at least in some areas so that the display element is visible to a user. If no conductor is connected and the clamping leg of the clamping spring is in the open position, the display element can, for example, still be immersed so far into the housing and thus be covered by the walls of the housing so that it is not visible from the outside.

Furthermore, the object according to the invention is achieved by means of an electronic device which has at least one connection arrangement which has been developed and developed as described above and / or at least one connection device which has been developed and developed as described above.

The invention is explained in more detail below with reference to the attached drawings on the basis of preferred embodiments.

• 1 eine schematische Darstellung einer Anschlusseinrichtung mit zwei Anschlussanordnungen gemäß der Erfindung,
• 2 eine schematische Schnittdarstellung der in 1 gezeigten Anschlusseinrichtung,
• 3 eine schematische Detaildarstellung des Ineinandergreifens des Halteelements, des Klemmschenkels der Klemmfeder und des Betätigungselements in der Offenstellung des Klemmschenkels,
• 4 eine schematische Darstellung mehrerer aneinandergereiht angeordneter Anschlusseinrichtungen mit teilweise angeschlossenen Leitern,
• 5 eine weitere schematische Darstellung von mehreren aneinandergereiht angeordneten Anschlusseinrichtungen mit einer fehlausgelösten Klemmfeder, und
• 6 eine schematische Darstellung der in 5 gezeigten Anschlusseinrichtungen beim Zurückstellen der fehlausgelösten Klemmfeder.

Show it:

• 1 a schematic representation of a connection device with two connection arrangements according to the invention,
• 2 a schematic sectional view of the in 1 connection device shown,
• 3 a schematic detailed representation of the interlocking of the holding element, the clamping leg of the clamping spring and the actuating element in the open position of the clamping leg,
• 4th a schematic representation of several connecting devices arranged in a row with partially connected conductors,
• 5 a further schematic representation of several connecting devices arranged in a row with an incorrectly triggered clamping spring, and
• 6th a schematic representation of the in 5 connection devices shown when resetting the incorrectly triggered clamping spring.

1 shows a connection device 200 with a housing 210 , within which two connection arrangements 100 are arranged. The connection device 200 is designed here in the form of a terminal block.

Any connection arrangement 100 is a conductor entry opening 211 assigned, via which a conductor to be connected 300 in the housing 210 introduced and towards the respective connection arrangement 100 can be performed, for example in the right in 1 shown Connection arrangement 100 can be seen. The conductor entry openings 211 are on or in the housing 210 educated.

Any connection arrangement 100 has a conductor connection space 110 on, within which a clamping and thus a connection of a conductor 300 can be done. Via the conductor entry opening 211 can the conductor to be connected 300 in the conductor connection area 110 to be introduced. The conductor connection area 110 is aligned with the respective conductor entry opening 211 educated.

Next, each connector arrangement 100 a current bar 111 on, with the current bar here 111 of the two in the case 210 arranged connection arrangements 100 be formed integrally with one another. The current bar 111 any connection arrangement 100 has a current bar portion 112 against which of the in the conductor connection area 110 introduced conductors to be connected 300 can be clamped, for example with the right in 1 connection arrangement shown 100 can be seen. The current bar section 112 extends parallel to the insertion direction E. of the head 300 in the conductor connection area 110 or in the connection arrangement 100 or the connection device 200 .

To the conductor to be connected 300 against the current bar section 112 to clamp, has each connection arrangement 100 a spring clip 113 on.

The clamping spring 113 has a retaining leg 114 and a clamp leg 115 on, with the retaining leg 114 and the clamp leg 115 over an arcuate section 116 are connected to each other.

The retaining leg 114 has a fastening point over which the retaining leg 114 and with it the clamping spring 113 on the current bar 111 can be attached. The fastening point can be designed, for example, in the form of an opening into which one on the current bar 111 trained latch can hook. The retaining leg 114 is formed here bent in an L-shape.

The clamp leg 115 has an end portion 119 on, which engages with a fastening portion 120 a holding element 121 can be brought to the clamping leg 115 to be able to hold in an open position, as is the case with the left in 1 connection arrangement shown 100 can be seen.

As for example in 4th can be seen is along the length of the clamping leg 115 a feed-through opening 122 formed, which window-like in the clamping leg 115 is trained. The clamping spring 113 is such on the current bar 111 arranged that the current bar section 112 through the feed-through opening 122 extends through. This allows the clamping leg 115 the current bar section 112 enclose. The lead-through opening is also used 122 to the conductor to be connected 300 take up by the head 300 when connecting through the feed-through opening 122 is passed through and the ladder 300 in the connected or clamped state through the feed-through opening 122 extends through it, such as the one on the right in 4th connection arrangement shown 100 the connection facilities 200 can be seen.

The passage opening 122 has four boundary edge faces 123 , 124 , 125 , 126 on. A first boundary edge surface 123 forms a clamping edge for the conductor to be connected 300 by in the clamping position of the through the feed-through opening 122 guided ladder 300 by means of the first delimiting edge surface 123 against the current bar section 112 is clamped.

A second, the first delimiting edge surface 123 opposite boundary edge surface 124 is at the end portion 119 of the clamp leg 115 formed, which in the open position in engagement with the fastening portion 120 of the holding element 121 is. The boundary edge surface can 123 a contact surface for the fastening section 120 form to with the clamping leg 115 to get into engagement. The fastening section 120 , which is bent in such a way that it forms a hook shape, can also pass through the lead-through opening in the open position 122 be passed through, and thereby on the boundary edge surface 123 or at the end section 119 with the clamp leg 115 hook, as in particular in the detailed representation of the 3 can be seen.

The holding element 121 is tiltable on the current bar 111 stored. As in 3 can be seen, the holding element 121 a window-like opening 127 on, through which the current bar section 112 protrudes. The holding element 121 has a printing area 128 on which the holding element 121 by the conductor to be connected 300 can be operated. The printing area 128 points in the direction of introduction E. of the head 300 . The printing area 128 is aligned with the conductor entry opening 211 arranged. The holding element 121 limited with its printing area 128 the conductor connection area 110 downwards.

As in particular in 1 can be seen is the printing area 128 of the Fastening section 120 of the holding element 121 through the current bar section 112 separated by the through the opening 127 current bar section passed through 112 between the printing area 128 and the attachment portion 120 is arranged. The current bar section 112 This also separates the conductor connection area 110 from the attachment portion 120 of the holding element 121 so that the fastening section 120 to hold the clamp leg 115 the clamping spring 113 in the open position not in the area of the conductor connection area 110 is arranged as in 1 can be seen.

For transferring the clamp leg 115 each connection arrangement points from the clamping position to the open position 100 furthermore an actuating element 129 on. The actuator 129 is along an operating direction B. linear guidable. The direction of actuation B. extends parallel to the insertion direction E. of the head 300 . The actuator 129 is parallel to the longitudinal extension of the current bar section 112 manageable. The actuator 129 acts to actuate the clamping leg 115 on the end section 119 of the clamp leg 115 a. The actuator 129 acts outside of the conductor connection area 110 on the clamp leg 115 the clamping spring 113 to operate it. Between the conductor connection area 110 and the actuator 129 is the current bar section 112 arranged so that the current bar section 112 a spatial separation between the conductor connection area 110 and the actuator 129 trains.

The conductor connection area 110 extends between the bearing point 130 the clamping spring 113 at their arcuate section 116 and the busbar section 112 . The busbar section 112 is between the depository 130 the clamping spring 113 at their arcuate section 116 and the actuator 129 arranged.

To operate the clamp leg 115 has the actuating element 129 at its front end 131 an actuation surface 132 on. The front end 131 points in the direction of the fastening section 120 of the holding element 121 .

In the in 1 Connection arrangement shown on the left 100 is the clamping leg 115 the clamping spring 113 in an open position, so that a conductor to be connected 300 can be introduced. The clamp leg 115 is here with its end section 119 in engagement with the mounting portion 120 of the holding element 121 so that the clamping leg 115 is held in the open position.

In the in 1 Connection arrangement shown on the right 100 is the clamping leg 115 in a clamping position, the clamping leg 115 here out of engagement with the fastening section 120 of the holding element 121 is. At the in 1 Connection arrangement shown on the right 100 is an established leader 300 connected.

For loosening the conductor 300 the actuating element can move out of the clamping position 129 by means of a tool 400 operated to the actuator 129 in the direction of actuation B. to move. By actuating the actuating element 129 presses the actuator 129 against the clamp leg 115 so that the clamping leg 115 out of the clamping position in the direction of the fastening section 120 of the holding element 121 is moved until the clamping leg 115 again in engagement with the fastening portion 120 of the holding element 121 got. The clamp leg 115 is then back in the open position and the ladder 300 can from the connection arrangement 100 removed.

The fastener 129 points at its frontal end 131 an actuating nose 133 on, with the actuation surface 132 to operate the clamping leg 115 on the actuating nose 133 is trained. The actuating nose 133 has a smaller cross-sectional area than the rest of the actuator 129 . The actuating nose 133 is designed to be curved, so that the actuating element is also in the open position 129 via its actuating nose 133 in engagement with the mounting portion 120 of the holding element 120 can be, as in the connection arrangement shown on the left 100 in 1 can be seen. Due to the curved design of the actuating nose 133 this forms a receiving space in which in the open position of the clamping leg 115 the fastening section 120 can be immersed or hooked.

At one of the front ends 131 opposite front end 134 of the actuating element 129 is on the actuator 129 a display element 135 for displaying a connection status of the electrical conductor to be connected 300 educated. The display element 135 is thus at a free end of the actuating element 129 educated. The display element 135 is oriented so that it is from the holding element 121 pointing away.

As in the connection arrangements shown on the left 100 in 1 , 2 and 4th can be seen, is in the open position of the clamping leg 115 the actuator 129 so far into the case 210 immersed that the display element 135 inside the case 210 and is therefore not visible from the outside for a user.

When transferring the clamp leg 115 the actuating element is from the open position into the clamping position 129 shifted upwards, the actuating element when reaching the clamping position 129 is shifted so far up that the display element 135 from an opening 212 of the housing 210 protrudes and is thus visible to a user, as in the connection arrangements shown on the right 100 in 1 , 2 and 4th can be seen. The user can by protruding the display element 135 from the opening 212 realize that the head 300 connected. The opening 212 is on the same side of the case 210 arranged like the conductor entry opening 211 .

The display element 135 is in the embodiment shown here in the form of a web-shaped extension on one end portion of the actuating element 129 educated. In the clamped position of the clamp leg 115 the display element protrudes 135 with at least a portion of the web-shaped extension from the opening 212 of the housing 210 out, so that this part of the web-shaped extension or of the display element 135 the case 210 towers outwards.

The actuator 129 points in the area of the display element 135 a tool receiving area 136 on, in which a tool, such as a screwdriver, can be inserted to operate the actuator 129 to operate. The tool holding area 136 is designed in the form of a groove or a slot.

To the actuator 129 in the open position of the clamping leg 115 in a fixed position on the holding element 121 to be able to hold, so that in particular also the display element 135 inside the case 210 remains immersed and not out of the opening 212 protrudes, the actuating element 129 with its actuating nose 133 on the attachment portion 120 of the holding element 121 hook behind or hook.

The actuator 129 is in the configurations shown here with a spring element 137 effectively connected. As in 2 can be seen is the spring element 137 at least one half in one on the actuator 129 trained recess 138 arranged. The recess 138 extends between the two front ends 131 , 134 along a longitudinal side of the actuating element 129 . With the other half is the spring element 137 in one on the housing 210 trained recess 213 immersed. By moving or actuating the actuating element 129 the recess moves 138 of the actuating element 129 relative to the recess 213 of the housing 213 whereby the spring element 137 in a tense state, as in 2 in the arrangement shown on the left, and in a relaxed state as shown in FIG 2 is shown in the arrangement shown on the right, is transferred. In the open position of the clamping leg 115 the clamping spring 113 is the spring element 137 in the tensioned state. In the clamped position of the clamp leg 115 the clamping spring 113 is the spring element 137 in the relaxed state.

5 shows three connection devices arranged in a row 200 , with a connection arrangement 100 the clamp leg 115 the clamping spring 113 is inadvertently transferred from the open position to the clamping position without a conductor already 300 has been introduced. Through the display element 135 , which from the case 210 protrudes, this is visible to a user, so that a user can use a tool 400 as it is in 6th is shown, the corresponding actuator 129 can operate and thus the clamping leg 115 can move back into the desired open position, so that with all connection arrangements 100 the connection facilities 200 the clamp legs 115 are in the open position and the conductors to be connected 300 can be introduced.

List of reference symbols

100

Connection arrangement

110

Conductor connection area

111

Current bar

112

Current bar section

113

Clamp spring

114

Retaining leg

115

Clamp leg

116

Arched section

119

End section

120

Fastening section

121

Retaining element

122

Feedthrough opening

123

Boundary edge surface

124

Boundary edge surface

125

Boundary edge surface

126

Boundary edge surface

127

opening

128

Printing area

129

Actuator

130

Depository

131

Front end

132

Operating area

133

Actuating nose

134

Front end

135

Display element

136

Tool holding area

137

Spring element

138

Recess

200

Connection device

210

casing

211

Conductor entry opening

212

opening

213

Recess

300

ladder

400

Tool

E.

Direction of introduction

B.

Actuation direction

Claims (14)

Connection arrangement (100) for connecting an electrical conductor (300), with - a conductor connection area (110), - A current bar (111) which has a current bar section (112) against which the conductor (300) to be connected, which is introduced into the conductor connection space (110) and which is to be connected, can be clamped, - A clamping spring (113) which has a clamping leg (115) which can be transferred into a clamping position and into an open position, - an actuating element (129), by means of which the clamping leg (115) of the clamping spring (113) can be transferred from the clamping position to the open position, - A holding element (121) which has a fastening section (120) which, in the open position, is in engagement with the clamping limb (115) of the clamping spring (113) in order to hold the clamping limb (115) in position, for transferring the clamping limb (115) of the clamping spring (113) from the open position to the clamping position, the holding element (121) has a pressure surface (128) which can be actuated in this way when the conductor (300) is inserted into the conductor connection space (110) by the conductor (300) to be connected that, by actuating the pressure surface (128), the fastening section (120) of the holding element (121) can be brought out of engagement with the clamping leg (115), and - A display element (135) for displaying a connection state of the electrical conductor (300). Connection arrangement (100) Claim 1 , characterized in that the display element (135) is formed on the actuating element (129). Connection arrangement (100) Claim 1 or 2 , characterized in that a spring element (137) is provided which cooperates with the actuating element (129). Connection arrangement (100) according to one of the Claims 1 to 3 , characterized in that the current bar section (112) is arranged between the conductor connection space (110) and the fastening section (120) of the holding element (121). Connection arrangement (100) according to one of the Claims 1 to 4th , characterized in that the holding element (121) is mounted such that it can be tilted. Connection arrangement (100) Claim 5 , characterized in that the holding element (121) is mounted on the current bar (111) such that it can be tilted. Connection arrangement (100) according to one of the Claims 1 to 6th , characterized in that the fastening portion (120) of the holding element (121) has a hook shape. Connection arrangement (100) according to one of the Claims 1 to 7th , characterized in that the clamping leg (115) has a feed-through opening (122) for passing the conductor (300) to be connected through, the current bar section (112) protruding through the feed-through opening (122). Connection arrangement (100) Claim 8 , characterized in that the feed-through opening (122) has a first delimiting edge surface (123) which forms a clamping edge for the conductor (300) to be connected. Connection arrangement (100) Claim 8 or 9 , characterized in that the feed-through opening (122) has a second delimiting edge surface (124) which, in the open position, is in engagement with the fastening section (120) of the holding element (121). Connection arrangement (100) according to one of the Claims 1 to 10 , characterized in that the actuating element (129) has an actuating nose (133) at one end (131) for actuating the clamping leg (115) when moving from the clamping position to the open position. Connection arrangement (100) Claim 11 , characterized in that the actuating nose (133) is shaped such that it is held in the open position on the fastening section (120) of the holding element (121). Connection device (200), with a housing (210) and with at least one connection arrangement (100) arranged in the housing (210), characterized in that the at least one connection arrangement (100) according to one of the Claims 1 to 12th is trained. Electronic device, with at least one after one of the Claims 1 to 12th trained connection arrangement (100) and / or with at least one after Claim 13 trained connection device (200).

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