EP4367752B1 - Ensemble de raccordement, pince de raccordement et dispositif électronique - Google Patents

Ensemble de raccordement, pince de raccordement et dispositif électronique

Info

Publication number
EP4367752B1
EP4367752B1 EP22744406.4A EP22744406A EP4367752B1 EP 4367752 B1 EP4367752 B1 EP 4367752B1 EP 22744406 A EP22744406 A EP 22744406A EP 4367752 B1 EP4367752 B1 EP 4367752B1
Authority
EP
European Patent Office
Prior art keywords
clamping
actuating
actuating element
clamping spring
conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP22744406.4A
Other languages
German (de)
English (en)
Other versions
EP4367752A1 (fr
Inventor
Kevin Berghahn
Martin Gebhardt
Heinz Reibke
Michael Reineke
Ralph Hoppmann
Viktor Bub
Karsten Nolte
Olaf Schyrocki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP4367752A1 publication Critical patent/EP4367752A1/fr
Application granted granted Critical
Publication of EP4367752B1 publication Critical patent/EP4367752B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811—Spring details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting

Definitions

  • the invention relates to a connection arrangement for connecting an electrical conductor. Furthermore, the invention relates to a terminal block and an electronic device.
  • connection arrangements typically feature a clamping spring designed as a torsion spring, which has a retaining leg and a clamping leg.
  • a conductor inserted into the connection arrangement can be clamped against the current bar by means of the clamping leg of the clamping spring.
  • the clamping spring When clamping flexible conductors, in particular, the clamping spring must be moved into an open position and thus actuated by an actuating element before the conductor is inserted. This action pivots the clamping spring or the clamping leg away from the current bar, allowing the conductor to be inserted into the space between the current bar and the clamping spring, which is designed as the conductor connection compartment.
  • the device comprises a current bar, a clamping spring having a retaining leg and a clamping leg, the clamping leg being transferable into a clamping position and a release position, a conductor connection space formed between a section of the current bar and the clamping leg of the clamping spring, a slidably arranged guide element which is operatively connected to the clamping leg of the clamping spring, the clamping leg being held in the release position by means of the guide element, and a pivotably mounted actuating element by means of which the guide element can be moved to transfer the clamping leg of the clamping spring from the clamping position to the release position.
  • the clamping spring is arranged between the section of the current bar and the actuating element.
  • the invention is based on the objective of providing a connection arrangement, a terminal block and an electronic device, which simplifies the handling for a user when connecting conductors, in particular flexible conductors.
  • connection arrangement comprises a current bar and a clamping spring.
  • the clamping spring has a retaining leg and a clamping leg, wherein the conductor to be connected is clamped against a clamping section of the current bar by means of the clamping leg in a clamping position of the clamping spring.
  • connection arrangement comprises an actuating element that can be guided linearly along an actuation direction, by means of which the clamping spring can be moved from the clamping position to the open position, wherein the actuating element is biased against the clamping spring in the open position and holds the clamping spring in the open position.
  • the connection arrangement also comprises a rotatably mounted lever element that acts on the actuating element to actuate the actuating element.
  • the actuating element Due to the pre-tensioned arrangement of the actuating element with the clamping spring in the open position of the clamping spring, the actuating element can be held automatically in this position, thus keeping the clamping spring in the open position.
  • the actuating element and clamping spring mutually support each other in the open position. In this position, the actuating element and the clamping spring form a self-contained force system, so that the force of the clamping spring holds the actuating element in a fixed position relative to the clamping spring without the need for manual or tool-based holding. This allows for simpler, especially one-handed, operation of the connection by a user, enabling the easy and safe connection of a conductor, particularly a flexible conductor.
  • the pre-tensioned arrangement in the open position of the clamping spring holds the clamping spring and actuating element in the desired position and prevents any relative movement between them.
  • the actuating element for operating the clamping spring interacts with the clamping leg of the clamping spring.
  • the actuating element performs a linear movement to actuate the clamping spring.
  • the actuating element forms a type of sliding element that interacts directly with the clamping spring. This actuating element is used, in particular, to move the clamping spring from a starting position or a clamped position to the open position by means of the lever element, whereby a rotary movement of the lever element causes a linear movement of the actuating element to actuate the clamping spring.
  • the lever element does not act directly on the clamping spring, but indirectly via the actuating element.
  • the lever element is designed in the form of a rotary lever.
  • a grip section can be provided at a first end section of the lever element, allowing a user to grasp the lever element to actuate and thus rotate it.
  • An actuating surface can be provided at a second end section of the lever element, opposite the first end section, by means of which the lever element can rest against the actuating element when the latter is actuated and roll during a rotational movement.
  • the pivot point or axis of rotation of the lever element is preferably located between the first and second end sections of the lever element.
  • the lever element interacts with the actuating element in such a way that, to actuate the actuating element, the lever element can apply a compressive force to the actuating element, thereby moving the actuating element linearly in the direction of actuation and thus clamping the actuating element against the clamping spring.
  • the clamping spring in the open position, applies a first compressive force acting against the direction of actuation of the actuating element and a second compressive force acting in the direction of actuation of the actuating element.
  • Both the first and second compressive forces are applied to the actuating element by the clamping spring, so that these two opposing compressive forces clamp the actuating element in the open position between the clamping spring or between sections of the clamping spring and hold it in a fixed position.
  • the clamping spring is designed such that a detent leg is arranged on the retaining leg, by means of which the second compressive force can be applied to the actuating element in the open position. The second compressive force is then not applied to the actuating element by the clamping leg or the retaining leg of the clamping spring.
  • the clamping spring has a third leg, the locking leg, by means of which the second pressure force is applied to the actuating element.
  • the ratchet lever can be attached to one of the clamping levers
  • the retaining leg can be located at its far end.
  • the retaining leg can thus be positioned between the clamping leg and the locking leg.
  • the locking leg can be formed integrally with the retaining leg or attached to the locking leg as a separate part, in particular by a positive and/or force-fit connection.
  • the locking arm is preferably elastically spring-loaded and connected to the retaining arm, or formed with the retaining arm, so that the locking arm can pivot relative to the retaining arm.
  • the locking arm can have a pressure surface.
  • This pressure surface can be actuated by the conductor being connected to move the clamping spring from the open position to the clamped position. Actuating the pressure surface disengages the locking arm from the actuating element.
  • the locking arm can have a pressure surface that is aligned with the conductor insertion area into the connection assembly and thus in line with the conductor insertion opening of a terminal housing, so that the conductor, when inserted into the connection assembly, abuts the pressure surface of the locking arm.
  • the locking arm By applying a pressure force to the pressure surface with the conductor, the locking arm can be pivoted or tilted in the direction of conductor insertion, thus pivoting or tilting it away from the actuating element. By pivoting the locking arm, the locking arm can be disengaged from the actuating element and thus released from it. This allows the actuating element, and consequently the clamping spring, to be moved from the open to the clamped position without manual assistance.
  • This special mechanism makes connecting a conductor, especially one with a small cross-section and/or a flexible conductor, particularly easy, simply by inserting the conductor. No user needs to operate other elements, such as the actuating element, on the connection assembly to release the clamping spring and move it from the open to the clamped position. This simplifies handling of the connection assembly and saves time when connecting a conductor.
  • the tensioning of the The actuating element with the clamping spring in the open position of the clamping spring can thus be released or lifted by the conductor to be connected itself.
  • the actuating element can have a retaining contour.
  • This retaining contour enables the locking arm to be held securely and precisely on the actuating element in the open position of the clamping spring.
  • the locking arm can apply the second compressive force to the actuating element in the open position of the clamping spring.
  • the retaining contour is preferably formed as a special surface feature on the actuating element itself.
  • the retaining contour can be shaped such that it forms a recess or undercut for the locking arm, against which the locking arm can engage in the open position of the clamping spring.
  • the actuating element can have at least one actuating arm extending in the direction of actuation, wherein the retaining contour can be formed on the at least one actuating arm.
  • the actuating element can have a first actuating arm extending in the direction of actuation and a second actuating arm extending in the direction of actuation, arranged at a distance from the first actuating arm, wherein the retaining contour can then be formed on both the first and the second actuating arm.
  • the actuating element can then have a U-shape in cross-section.
  • the two actuating arms are preferably aligned parallel to each other.
  • a space is formed between the two actuating arms, into which the conductor to be connected can be inserted and through which the conductor to be connected can be guided towards the locking arm.
  • the clamping section of the current bar preferably projects into the space formed between the two actuating arms, so that the clamping of the conductor against the clamping section of the current bar can take place within the space.
  • the conductor connection space formed between the current bar and the clamping spring can be laterally delimited by the at least one actuating arm, preferably by the first actuating arm and the second actuating arm, so that the at least one actuating arm or the two actuating arms can guide the conductor to be connected and prevent lateral displacement of the conductor.
  • the retaining contour on the first actuating arm is preferably symmetrical to that on the
  • the locking arm is formed by a retaining contour arranged on the second actuating arm. In the open position of the clamping spring, the locking arm can be held, in particular locked, on both actuating arms or on the two retaining contours of the two actuating arms.
  • the locking arm can have a T-shape at its free end, which allows the locking arm to be held on both actuating arms.
  • the locking arm can have a first laterally projecting retaining arm and a second laterally projecting retaining arm, wherein the first retaining arm can hold the locking arm on the retaining contour of the first actuating arm, and the second retaining arm can hold the locking arm on the retaining contour of the second actuating arm.
  • the initial compressive force can be applied to the actuating element in the open position by means of the clamping leg of the clamping spring.
  • the clamping leg can have a clamping tab and at least one side tab arranged laterally to the clamping tab.
  • a clamping edge for clamping the conductor to be connected against the current bar in the clamped position can be formed at a free end of the clamping tab.
  • the initial compressive force can be applied to the actuating element by means of the at least one side tab in the open position.
  • the clamping leg itself can thus apply the initial compressive force to the actuating element, which can act against the direction of actuation of the actuating element.
  • the clamping arm is preferably divided into a clamping tab and at least one, preferably two, side tabs, which may be formed laterally to the clamping tab. With two side tabs, the clamping tab is arranged between the two side tabs. The two side tabs are preferably in direct contact with the actuating element, so that the initial pressure force can be applied to the actuating element via these two side tabs.
  • the clamping tab is preferably not in direct contact with the actuating element; instead, the clamping tab serves solely to clamp the conductor against the current bar in the clamping position.
  • the at least one side tab is preferably curved, so that it...
  • the actuator can form a sliding skid which can slide along an edge surface of the actuating element during the transition to the open position and to the clamping position.
  • the connection arrangement is designed such that the actuating direction of the actuating element can be transverse to the conductor insertion direction of the conductor to be connected into a conductor connection space formed between the current bar and the clamping spring.
  • the lever element can have a pivot axis about which the lever element, rotatably mounted according to the invention, can be rotatably mounted.
  • the pivot axis is preferably arranged off-center along the length of the lever element. It is particularly preferred that the pivot axis is arranged closer to the second end section, where the actuating surface is formed, than to the first end section, where the handle section is formed. This allows for a particularly efficient transmission of the spring force of the clamping spring from the lever element to the actuating element. Consequently, the connection arrangement can be operated by a user with particular ease and without requiring significant force.
  • the actuating element can have a connecting web extending transversely to the direction of actuation, allowing the lever element to roll along the connecting web during a rotational movement.
  • the connecting web is preferably attached to at least one actuating arm of the actuating element. If the actuating element has two actuating arms, the connecting web can extend between them, thus connecting the two actuating arms.
  • the connecting web preferably extends parallel to the clamping section of the current conductor. Viewed in the direction of actuation, the connecting web is arranged above the clamping section, so that it is located outside the conductor connection space. Actuation of the actuating element by means of the lever element therefore takes place outside the conductor connection space.
  • the lever element When the actuating element is actuated, the lever element rolls along the connecting web with its actuating surface, allowing the lever element to travel along the connecting web during a rotational movement.
  • the lever element can move or roll along the connecting bridge in a direction transverse to the direction of actuation of the actuating element.
  • a return spring interacting with the lever element can be provided.
  • the return spring In the clamped or starting position, the return spring is preferably uncompressed.
  • the return spring is compressed. If the clamping spring is in the open position and the actuating element is clamped to the clamping spring to hold it in the open position, the return spring can cause a controlled return of the lever element without the need for the user to actuate it. This can improve usability for the user and, in particular, reduce the risk of injury, as uncontrolled recoil of the lever element can be prevented.
  • the return spring can preferably be designed in the form of a torsion spring, which can have a first leg and a second leg connected to the first leg via an arcuate section, wherein the torsion spring can engage with its first leg in a form-fitting manner in a receiving contour formed on the lever element.
  • the torsion spring or return spring can, for example, be made of bent wire. Alternatively, the torsion spring or return spring can be stamped and bent from a metal strip. If the return spring engages in a form-fitting manner in a receiving contour of the lever element, a defined position of the return spring relative to the lever element can be ensured. In particular, lateral slippage of the return spring relative to the lever element can be prevented.
  • the lever element can roll on the first leg of the return spring to tension or release the return spring.
  • the lever element can thus be moved, in particular rotated, relative to the return spring.
  • the receiving contour can be formed, in particular, partially in the area of the actuating surface. Because the return spring can immerse itself in the receiving contour, it does not impede the rolling movement of the lever element on the actuating element.
  • the second leg preferably serves as a retaining leg, so that the second leg is preferably fixed in position.
  • the first leg is Preferably movable relative to the second leg in order to interact with the lever element.
  • the lever element preferably has direct contact only with the second leg.
  • the lever element is preferably spaced apart from the first leg.
  • the receiving contour is preferably formed in the form of an elongated slot or an elongated groove on the lever element.
  • the current bar can have a retaining section spaced apart from the clamping section, and the clamping spring can be held against this retaining section.
  • the clamping spring can be supported against the metal of the current bar, which can result in high stability of the clamping spring's position. Holding the clamping spring against the current bar prevents unintentional tilting of the clamping spring relative to the current bar.
  • the retaining section preferably extends substantially parallel to the clamping section. The clamping spring can be suspended from the retaining section of the current bar.
  • the clamping spring can, for example, have an opening into which the retaining section of the current bar can engage.
  • the current bar can, for example, hook its retaining section into the opening to suspend the clamping spring from the retaining section.
  • the opening on the clamping spring can, for example, be located at the transition between the locking arm and the retaining arm.
  • the current bar can have a guide section extending in the direction of actuation, along which the actuating element can be guided.
  • the guide section preferably extends transversely to the clamping section and the holding section of the current bar. Viewed in the direction of actuation, the guide section is preferably arranged above the clamping section.
  • the guidance of the actuating element on the guide section of the current bar can therefore be provided and designed outside the conductor connection space.
  • the guidance can be formed by a positive-locking connection between the guide section and the actuating element.
  • the actuating element can be guided via its The connecting web interacts with the guide section to guide the actuating element along the guide section.
  • the connecting web can engage with the guide section in a positive-locking manner.
  • the guide section can be designed such that it has a first guide web and a second guide web extending parallel to the first guide web, wherein the actuating element can be guided between the first and second guide webs.
  • the two guide webs can form a guide for the actuating element that limits movement on two sides.
  • the actuating element, with its connecting web can be arranged and guided in a free space formed between the two guide webs.
  • a terminal block in particular a terminal block, which has a housing and at least one connection arrangement, as described above, arranged in the housing.
  • a conductor entry opening can be formed in the housing, which is aligned with the conductor connection compartment of the connection arrangement and through which the conductor to be connected can be inserted into the housing and thus into the connection arrangement.
  • two such connection arrangements can also be arranged in the housing.
  • the lever element can, for example, be rotatably mounted on the housing with its axis of rotation.
  • the lever element can thus be suspended from the housing.
  • the housing can be designed in two parts.
  • a first housing part can serve as a receiving part for the terminal assembly.
  • a second housing part which can form a housing cover, can be mounted and attached to the first housing part.
  • the problem according to the invention is solved by means of an electronic device which has at least one connection arrangement as described above, further developed and/or at least one terminal block as described above, further developed and/or as described above.
  • the electronic device can, for example, be a control cabinet in which one or more mounting rails or mounting plates can be arranged, on which several terminal blocks, in particular terminal blocks which can have corresponding connection arrangements, can be snapped on.
  • Figure 1 shows a terminal block 200 with a housing 210, inside which a connection arrangement 100 for connecting a conductor (not shown) is arranged.
  • the housing 210 is made of an insulating material, in particular a plastic material.
  • the interior of the housing 210 contains the
  • Connection arrangement 100 A conductor to be connected can be inserted into the interior of the housing 210 via a conductor insertion opening 211 formed on the housing 210 in order to connect the conductor to the connection arrangement 100.
  • the housing 210 is used in the configurations shown here, particularly in Fig. 8 and 9 As can be seen, the housing 210 is formed from a first housing part 212 and a second housing part 213, so that the housing 210 is a two-part structure.
  • the two housing parts 212 and 213 are connected to each other in the closed state via a snap-fit connection 214.
  • the first housing part 212 forms a receiving part in which the connection assembly 100 is arranged and mounted, as shown in particular in Figs.
  • the second housing part 213 forms a housing cover, which, after the connection arrangement 100 has been mounted on or in the first housing part 212, is placed on the first housing part 212 and connected to it in order to close the housing 210 and, in particular, the interior of the housing 210.
  • the connection arrangement 100 has a current bar 110 and a clamping spring 111, wherein the conductor to be connected can be electrically clamped against a clamping section 127 of the current bar 110 by means of the clamping spring 111 and thus connected.
  • the clamping spring 111 is designed as a torsion spring.
  • the clamping spring 111 has a retaining leg 112 and a clamping leg 113.
  • the retaining leg 112 and the clamping leg 113 are connected to each other via an arcuate section 114.
  • the retaining leg 112 is arranged in a fixed position in the housing 210.
  • the clamping leg 113 is pivotally movable relative to the retaining leg 112, so that, depending on the position of the clamping leg 113, the clamping spring 111 can be moved into an open position, as is the case, for example, in Fig. 2 and 3 as shown, and into a clamping position, as shown for example in Fig. 1 It is shown, transferred and positioned.
  • the clamping spring 111 further comprises a locking arm 115, so that the clamping spring 111 has three arms.
  • the locking arm 115 is connected to the retaining arm 112, so that the retaining arm 112 is arranged between the clamping arm 113 and the locking arm 115.
  • the locking arm 115 extends substantially at a right angle from the retaining arm 112.
  • the locking arm 115 is designed to be long enough that, at least in the open position of the clamping spring 111, it projects beyond the clamping arm 113 from the retaining arm 112.
  • the locking arm 115 serves to help hold the clamping spring 111 in the open position.
  • the locking leg 115 extends from the retaining leg 112 towards the conductor connection space 116, which is formed between the clamping section 127 of the current bar 110 and the clamping spring 111, wherein the conductor to be connected can be inserted into this conductor connection space 116 via the conductor insertion opening 211 of the housing 210 in order to connect the conductor and clamp it against the clamping section 127 of the current bar 110.
  • the locking arm 115 is designed to be long enough to limit the conductor connection space 116 in the conductor insertion direction E.
  • the locking arm 115 has a pressure surface 117 pointing towards the conductor connection space 116, against which the conductor can abut when inserted into the conductor connection space 116. To allow the locking arm 115 to deflect, it is spring-loaded and connected to the retaining arm 112.
  • the clamping spring 111 is supported on the current beam 110.
  • the current beam 110 has a retaining section 136 to which the clamping spring 111 can be attached.
  • the clamping spring 111 may have an opening 137 into which the retaining section 136 of the current beam 110 can project when the clamping spring 111 is mounted on the current beam 110.
  • the clamping spring 111 can then be suspended from the retaining section 136 and thus from the current beam 110.
  • the retaining section 136 extends parallel to the clamping section 127 of the current beam 110.
  • the retaining section 136 is shorter than the clamping section 127.
  • the opening 137 is formed at the transition between the retaining leg 112 and the locking leg 115 of the clamping spring 111.
  • connection arrangement 100 further comprises an actuating element 118.
  • the actuating element 118 is guided purely linearly in the housing 210.
  • the actuating element 118 forms a type of sliding element.
  • the actuating element 118 interacts with the clamping leg 113 of the clamping spring 111 by applying a force to the clamping leg 113 in actuation direction B, causing it to pivot towards the retaining leg 112 to release the conductor connection space 116.
  • the actuating element 118 has a U-shaped cross-section, as shown in particular in Fig. 7
  • the actuating element 118 has two actuating arms 119a, 119b extending parallel to each other, as can be seen in particular in Figs. 5 to 7
  • a clearance 128 is formed between the two actuating arms 119a, 119b, through which the clamping section 127 of the current bar 110 and the conductor to be connected can be guided, so that the conductor connection compartment 116 is formed in the clearance 128 and the conductor to be connected can be clamped against the clamping section 127 of the current bar 110 within the clearance 128.
  • the two actuating arms 119a, 119b are designed to be long enough to laterally delimit the conductor connection compartment 116 and thus form a lateral guide for the conductor to be connected.
  • an actuating surface 120a, 120b is formed, which interact with the clamping spring 111 to actuate it.
  • the actuating element 118 rests on the clamping leg 113 of the clamping spring 111 when the latter is moved from the clamping position to the open position.
  • the clamping arm 113 shows, as particularly in the exploded view of the Fig. 15
  • the clamping tab 121 and two side tabs 122a, 122b arranged laterally to the clamping tab 121 are visible.
  • the clamping tab 121 has a clamping edge 123 at its free end, by means of which the conductor to be connected is clamped against the clamping section 127 of the current bar 110.
  • the clamping tab 121 is arranged between the two side tabs 122a, 122b.
  • the clamping tab 121 is longer than the two side tabs 122a, 122b, so that the clamping tab 121 extends beyond the two side tabs 122a, 122b.
  • the two side tabs 122a, 122b each have an arc-shaped form.
  • the two side tabs 122a, 122b can thus each form a sliding skid which, when interacting with the actuating element 118, can slide along the actuating surfaces 120a, 120b.
  • the actuating element 118 is thus in direct contact with the two side tabs 122a, 122b of the clamping spring 111 for actuating the clamping spring 111, whereas the clamping tab 121 has no direct contact with the actuating element 118.
  • the clamping tab 121 is arranged in the free space 128 formed between the two actuating arms 119a, 119b.
  • FIG. 2 , 3 , 5 and 6 The figures show the clamping spring 111 in the open position, in which the conductor connection compartment 116 is released, allowing a conductor to be inserted into and removed from it.
  • the clamping spring 111 and the actuating element 118 are tensioned against each other, forming a closed force system in which the actuating element 118 is held in position by the clamping spring 111 without any additional aid, and the clamping spring 111 is in turn held in position by the actuating element 118.
  • the actuating element 118 is clamped to the clamping spring 111 by the fact that, in the open position, the clamping spring 111 exerts two opposing compressive forces D1 and D2 on the actuating element 118. These two opposing compressive forces D1 and D2 hold the actuating element 118, and thus also the clamping spring 111, in a stable, fixed position.
  • the first compressive force D1 acts on the actuating element 118 in the opposite direction to the actuation direction B.
  • the first compressive force D1 is absorbed by the clamping arm 113.
  • the pressure is applied, in particular, by the side tabs 122a, 122b of the clamping leg 113, to the actuating element 118.
  • the side tabs 122a, 122b press against the actuating surfaces 120a, 120b of the actuating element 118 with the first pressure force D1 applied by the spring action of the clamping leg 113.
  • the second compressive force D2 acts on the actuating element 118 in the actuation direction B.
  • the second compressive force D2 is applied to the actuating element 118 by the locking arm 115 of the clamping spring 111.
  • the locking arm 115 is held at its free end 124 on the actuating element 118, in particular on the two actuating arms 119a, 119b of the actuating element 118, and is specifically locked onto the actuating element 118.
  • the free end 124 has a T-shape, in that the free end 124 has two laterally projecting retaining arms 125a, 125b.
  • the locking leg 115 is held by its first retaining arm 125a on the first actuating arm 119a and by its second retaining arm 125b on the second actuating arm 119b.
  • a retaining contour 126a, 126b is formed on each of the actuating arms 119a, 119b.
  • the retaining contour 126a, 126b is spaced apart from the actuating surfaces 120a, 120b on the actuating element 118.
  • the two retaining arms 125a, 125b of the locking arm 115 rest against the retaining contour 126a, 126b of the actuating arms 119a, 119b to hold the locking arm 115 in a fixed position.
  • the connection arrangement 100 further comprises a rotatably mounted lever element 129.
  • the lever element 129 has a pivot axis 130, via which the lever element 129 is rotatably mounted on the housing 210.
  • the lever element 129 has an elongated shape with a first end section 131 and an opposing second end section 132.
  • a grip section 133 is formed on the first end section 131, allowing a user to grasp and rotate the lever element 129.
  • An actuating surface 134 is formed on the second end section 132, through which the lever element 129 can interact with the actuating element 118 to operate the actuating element 118. actuate.
  • the lever element 129 can roll with its actuating surface 134 on a connecting web 135 of the actuating element 118, which extends transversely to the direction of actuation B.
  • the connecting web 135 extends transversely to the two actuating arms 119a, 119b of the actuating element 118 and connects the two actuating arms 119a, 119b to each other.
  • FIG. 1 and 4 The figures show the terminal block 200 with the lever element 129 in a closed position.
  • the clamping spring 111 is in a clamping position in which the actuating element 118 is just not clamped to the clamping spring 111.
  • the lever element 129 is rotated about its axis of rotation 130 and thereby turned or pivoted into an open position, as shown in Fig. 2 and 5
  • the actuating surface 134 of the lever element 129 contacts the actuating element 118 and rolls with its actuating surface 134 on the connecting web 135 of the actuating element 118.
  • This rotational movement of the lever element 129 causes the actuating element 118 to be moved linearly along the actuating direction B.
  • the actuating element 118 is moved so far in the actuating direction B, and thus in the direction of the clamping spring 111, until the detent leg 115 of the clamping spring 111, with its retaining arms 125a, 125b, engages or engages behind the retaining contour 126a, 126 of the actuating element 118, as shown in the figure. Fig. 2 shown.
  • the retaining contour 126a, 126b is formed here in the form of a recess or notch on each of the two actuating arms 119a, 119b, so that the retaining contour 126a, 126b each form a locking undercut for the retaining arms 125a, 125b of the locking leg 115.
  • the clamping spring 111 is pivoted towards the retaining leg 112 by means of the actuating surfaces 120a, 120b in order to release the conductor connection space 116 between the clamping section 127 of the current beam 110 and the clamping leg 113.
  • the conductor to be connected can now be inserted and connected via the conductor insertion opening 211 into the conductor connection space 116 in conductor insertion direction E.
  • the clamping arm 113 also moves towards the conductor inserted into the conductor connection chamber 116, pressing it against the current bar 110 via the clamping tab 121 of the clamping arm 113, thereby clamping and connecting the conductor to the current bar 110.
  • the conductor is inserted transversely to the direction of actuation B of the actuating element 118 into the conductor connection space 116 and thus into the connection arrangement 100 or into the terminal block 200.
  • Fig. 8 and 9 The terminal block 200 with the housing 210 closed is shown, i.e., the two housing parts 212, 213 are connected to each other, with the lever element 129 being easily accessible for a user to operate it when the housing 210 is closed.
  • Fig. 8 shows the lever element 129 in the closed position
  • Fig. 9 The lever element 129 is shown in the open position.
  • connection arrangement 100 of the in Figs. 10 to 15 the design shown compared to the one in the Figs. 1 to 9
  • the embodiment shown differs only in that the current bar 110 has a guide section 138 in addition to the clamping section 127 and the holding section 136, and that the connection arrangement 100 also has a return spring 141. Otherwise, it corresponds to the embodiment shown in the Figs. 10 to 15
  • the illustrated embodiment of a connection arrangement 100 or connection terminal 200 of the in Figs. 1 to 9 shown embodiment of a connection arrangement 100 or connection terminal 200.
  • the guide section 138 of the current bar 110 interacts with the actuating element 118 to guide the actuating element 118 during movement in and against the actuating direction B.
  • the guide section 138 extends in the actuating direction B. It thus extends transversely to the clamping section 127 and the holding section 126. Viewed in the actuating direction B, the guide section 138 is located above the clamping section 127. The guidance of the actuating element 118 by the guide section 138 of the current bar 110 is therefore provided and designed outside the conductor connection space 116.
  • the guide section 138 has a first guide web 139a and a second guide web 139b.
  • the two guide webs 139a, 139b extend parallel to each other.
  • the actuating element 118 is guided, at least partially, between the two guide webs 139a, 139b.
  • the guidance can be formed by a positive-locking connection between the guide section 138 and the actuating element 118.
  • Actuating element 118 interacts with the guide section 138 via its connecting web 135 to guide the actuating element 118 along the guide section 138.
  • the connecting web 135 engages positively with the guide section 138 by being positioned and guided in the area of the guide section 138 between the two guide webs 139a, 139b, thus preventing lateral deflection or tilting of the actuating element 118.
  • the guide webs 139a, 139b can each form a guide surface 140a, 140b against which the actuating element 118, with its two actuating arms 119a, 119b, can rest and be guided, as, for example, in Fig. 13
  • the actuating element 118 can be guided above the holding contour 126a, 126b with its actuating arms 119a, 119b on the guide surface 140a, 140b.
  • the illustrated embodiment features a return spring 141 which interacts with the lever element 129.
  • the return spring 141 can be tensioned via the lever element 129. Due to the tensioned state of the return spring 141 in the open position of the lever element 129, the lever element 129 is guided back from the open position to the closed position in a controlled manner by the spring tension of the return spring 141.
  • the return spring 141 is designed in the form of a torsion spring.
  • the return spring 141 has a first leg 142 and a second leg 143 connected to the first leg 142 via an arcuate section 144.
  • the return spring 141 engages with its first leg 142 in a form-fitting manner in a receiving contour 145 formed on the lever element 129, so that the return spring 141 is guided and held with its first leg 142 in the receiving contour 145.
  • the receiving contour 145 is formed in the form of an elongated slot or groove within which the first leg 142 of the return spring 141 lies.
  • the receiving contour 145 extends in the longitudinal direction of the lever element 129.
  • the receiving contour 145 extends at least partially along the actuating surface 134 of the lever element 129.
  • the lever element 129 can roll on the first leg 142 of the return spring 141 in order to tension or release the return spring 141. relax. The lever element 129 can thus be moved, in particular rotated, relative to the return spring 141.
  • the first leg 142 has a bend 146 along its length, such that a free end 147 of the first leg 142 is bent upwards away from the second leg 143. This improves the guidance of the first leg 142 in the receiving contour 145 of the lever element 129.
  • the second leg 143 of the return spring 141 serves as a retaining leg, as the second leg 143 is fixed in position. As in Fig. 12 As can be seen, the return spring 141 is supported by both its second leg 143 and its arc-shaped section 144 against an inner contour 215 of the housing 210. This inner contour 215 can be designed in the form of a receiving pocket.
  • the first leg 142 of the return spring 141 is movable relative to the second leg 143 in order to interact with the lever element 129 and to tension the lever element 129 in the open position.
  • the rotational movement of the lever element 129 causes the first arm 142 to be carried along by the lever element 129 and deflected towards the second arm 143, so that a spring tension is created within the first arm 142, which tensions the lever element 129.
  • the first arm 142 due to its spring tension, presses against the lever element 129, causing it to rotate automatically back into the closed position.
  • the second leg 143 of the return spring 141 has a significantly shorter length than the first leg 142 of the return spring 141.
  • Figs. 13 and 14 show the current beam 110, the clamping spring 111 and the actuating element 118 again on their own.
  • FIG. 15 Figure 200 shows an exploded view of terminal 200, where terminal 200 has the return spring 141 and the guide section 138 on the current bar 110. However, it is also possible that terminal 200 only one of these two additional features to the one in Figs. 1 to 9 shown connection terminal 200.

Landscapes

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

Claims (13)

  1. Agencement de connexion (100) pour connecter au moins un conducteur électrique, comprenant
    - une barre conductrice (110),
    - un ressort de serrage (111) qui présente une patte de maintien (112) et une patte de serrage (113), le conducteur à connecter étant serré au moyen de la patte de serrage (113) dans une position de serrage du ressort de serrage (111) contre une partie de serrage (127) de la barre conductrice (110),
    - un élément d'actionnement (118) pouvant être guidé linéairement le long d'une direction d'actionnement (B), au moyen duquel le ressort de serrage (111) peut être transféré de la position de serrage à la position ouverte, l'élément d'actionnement (118) étant contraint avec le ressort de serrage (111) dans la position ouverte et maintenant le ressort de serrage (111) dans la position ouverte, dans lequel, pour créer la contrainte, le ressort de serrage (111) applique sur l'élément d'actionnement (118), dans la position ouverte, une première force de pression (D1) agissant à l'encontre de la direction d'actionnement (B) de l'élément d'actionnement (118) et une deuxième force de pression (D2) agissant dans la direction d'actionnement (B) de l'élément d'actionnement (118), une patte d'encliquetage (115) étant disposée sur la patte de maintien (112) du ressort de serrage (111), au moyen de laquelle la deuxième force de pression (D2) est appliquée à l'élément d'actionnement (118) dans la position ouverte, et
    - un élément de levier (129) monté rotatif, qui agit sur l'élément d'actionnement (118) pour actionner l'élément d'actionnement (118), caractérisé en ce que l'élément de levier (129) coopère avec l'élément d'actionnement (118) de telle sorte que l'élément de levier (129) applique une force de pression sur l'élément d'actionnement (118) pour actionner l'élément d'actionnement (118) afin de déplacer l'élément d'actionnement (118) linéairement dans la direction d'actionnement (B) et ainsi de contraindre l'élément d'actionnement (118) avec le ressort de serrage (111).
  2. Agencement de connexion (100) selon la revendication 1, caractérisé en ce que la patte d'encliquetage (115) présente une surface de pression (117), la surface de pression (117) pouvant être actionnée par le conducteur à connecter pour faire passer le ressort de serrage (111) de la position ouverte à la position de serrage, et la patte d'encliquetage (115) pouvant être dégagée de l'élément d'actionnement (118) par l'actionnement de la surface de pression (117).
  3. Dispositif de connexion (100) selon la revendication 1 ou 2, caractérisé en ce que l'élément d'actionnement (118) présente au moins un bras d'actionnement (119a, 119b) s'étendant dans la direction d'actionnement (B), un contour de maintien (126a, 126b), destiné à maintenir la patte d'encliquetage (115) sur l'élément d'actionnement (118) dans la position ouverte du ressort de serrage (111), étant formé sur ledit au moins un bras d'actionnement (119a).
  4. Agencement de connexion (100) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que, dans la position ouverte, la première force de pression (D1) est appliquée à l'élément d'actionnement (118) au moyen de la patte de serrage (113) du ressort de serrage (111), la patte de serrage (113) présentant une languette de serrage (121) et au moins une languette latérale (122a, 122b) disposée latéralement par rapport à la languette de serrage (121), une arête de serrage (123), destinée à serrer le conducteur (300) à connecter contre la barre conductrice (110) dans la position de serrage, étant formée à une extrémité libre de la languette de serrage (121), et la première force de pression (D1) étant appliquée à l'élément d'actionnement (118) au moyen de ladite au moins une languette latérale (122a, 122b) dans la position ouverte.
  5. Agencement de connexion (100) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la direction d'actionnement (B) de l'élément d'actionnement (118) est orientée transversalement à une direction d'insertion de conducteur (E) du conducteur à connecter dans un espace de connexion de conducteur (116) formé entre la barre conductrice (110) et le ressort de serrage (111).
  6. Agencement de connexion (100) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément de levier (129) présente un axe de rotation (130) qui est disposé de manière excentrée par rapport à une longueur de l'élément de levier (129).
  7. Agencement de connexion (100) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'élément d'actionnement (118) présente une barrette de liaison (135) s'étendant transversalement à la direction d'actionnement (B), l'élément de levier (129) roulant sur la barrette de liaison (135) lors d'un mouvement de rotation de l'élément de levier (129).
  8. Agencement de connexion (100) selon l'une quelconque des revendications 1 à 7, caractérisé par un ressort de rappel (141) coopérant avec l'élément de levier (129).
  9. Agencement de connexion (100) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la barre conductrice (110) présente une partie de maintien (136) formée à distance de la partie de serrage (127), le ressort de serrage (111) étant maintenu sur la partie de maintien (136).
  10. Agencement de connexion (100) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la barre conductrice (110) présente une partie de guidage (138) s'étendant dans la direction d'actionnement (B), sur laquelle est guidé l'élément d'actionnement (118).
  11. Agencement de connexion (100) selon la revendication 10, caractérisé en ce que la partie de guidage (138) présente une première barrette de guidage (139a) et une deuxième barrette de guidage (139b) s'étendant parallèlement à la première barrette de guidage (139a), l'élément d'actionnement (118) étant guidé au moins par zones entre la première barrette de guidage (139a) et la deuxième barrette de guidage (139b).
  12. Borne de connexion (200), en particulier borne de connexion en série, comprenant un boîtier (210) et au moins un agencement de connexion (100) selon l'une quelconque des revendications 1 à 11 disposé dans le boîtier (210).
  13. Dispositif électronique comprenant au moins un agencement de connexion (100) selon l'une quelconque des revendications 1 à 11 et/ou au moins une borne de connexion (200) selon la revendication 12.
EP22744406.4A 2021-07-06 2022-06-30 Ensemble de raccordement, pince de raccordement et dispositif électronique Active EP4367752B1 (fr)

Applications Claiming Priority (2)

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DE102021117396.5A DE102021117396A1 (de) 2021-07-06 2021-07-06 Anschlussanordnung, Anschlussklemme und elektronisches Gerät
PCT/EP2022/068032 WO2023280670A1 (fr) 2021-07-06 2022-06-30 Ensemble de raccordement, pince de raccordement et dispositif électronique

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EP4367752B1 true EP4367752B1 (fr) 2026-04-29

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US (1) US12665325B2 (fr)
EP (1) EP4367752B1 (fr)
CN (1) CN117597833A (fr)
DE (1) DE102021117396A1 (fr)
WO (1) WO2023280670A1 (fr)

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DE102024127449A1 (de) * 2024-09-23 2026-03-26 Weidmüller Interface GmbH & Co. KG Anschlussblock aus mehreren Reihenklemmen mit einer Mehrzahl von Anschlussvorrichtungen und Anschlussvorrichtung
LU505692B1 (de) 2023-12-04 2025-06-05 Phoenix Contact Gmbh & Co Klemmeneinrichtung zum Anschließen eines elektrischen Leiters
LU505691B1 (de) 2023-12-04 2025-06-05 Phoenix Contact Gmbh & Co Klemmeneinrichtung zum Anschließen eines elektrischen Leiters
DE202024101057U1 (de) * 2024-03-05 2025-06-12 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Federkraftklemmanschluss und Leiteranschlussklemme
DE202024101061U1 (de) * 2024-03-05 2025-06-12 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Federkraftklemmanschluss und Leiteranschlussklemme
DE202024101060U1 (de) * 2024-03-05 2025-06-12 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Federkraftklemmanschluss und Leiteranschlussklemme
DE202024101059U1 (de) * 2024-03-05 2025-06-12 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Federkraftklemmanschluss und Leiteranschlussklemme
DE202024102464U1 (de) * 2024-05-14 2025-08-18 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme
DE202024102745U1 (de) * 2024-05-27 2025-08-28 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme
DE202024102746U1 (de) * 2024-05-27 2025-08-28 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme
DE202024103724U1 (de) * 2024-07-05 2025-10-08 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Federkraftklemmanschluss und Leiteranschlussklemme
DE202025101021U1 (de) * 2025-02-26 2026-07-09 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme

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DE102015115612A1 (de) * 2015-09-16 2017-03-16 Phoenix Contact Gmbh & Co. Kg Anschlussklemme zum Anschließen eines elektrischen Leiters
LU93148B1 (de) * 2016-07-13 2018-01-23 Phoenix Contact Gmbh & Co Kg Intellectual Property Licenses & Standards Anschlussklemme
DE102019102646B4 (de) * 2019-02-04 2023-02-09 Phoenix Contact Gmbh & Co. Kg Anschlussklemme sowie Anschlussklemmenblock
DE202019105075U1 (de) * 2019-09-13 2020-12-21 Weidmüller Interface GmbH & Co. KG Anschlussklemme für Leiter
DE102019131141A1 (de) * 2019-11-19 2021-05-20 Phoenix Contact Gmbh & Co. Kg Anschlussanordnung, Anschlussklemme und elektronisches Gerät
CN111786142A (zh) * 2020-07-28 2020-10-16 天立电机（宁波）有限公司 一种弹片式接线端子及接线端子排

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WO2023280670A1 (fr) 2023-01-12
CN117597833A (zh) 2024-02-23
US12665325B2 (en) 2026-06-23
US20240332826A1 (en) 2024-10-03
DE102021117396A1 (de) 2023-01-12

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