EP3619773A1 - Borne de connexion - Google Patents

Borne de connexion

Info

Publication number
EP3619773A1
EP3619773A1 EP18721327.7A EP18721327A EP3619773A1 EP 3619773 A1 EP3619773 A1 EP 3619773A1 EP 18721327 A EP18721327 A EP 18721327A EP 3619773 A1 EP3619773 A1 EP 3619773A1
Authority
EP
European Patent Office
Prior art keywords
actuating
channel
clamping
leg
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18721327.7A
Other languages
German (de)
English (en)
Other versions
EP3619773B1 (fr
Inventor
Hans-Josef Köllmann
Frank Hartmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=62091861&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3619773(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Priority to EP21176618.3A priority Critical patent/EP3890118A1/fr
Priority to PL18721327T priority patent/PL3619773T3/pl
Priority to EP20180556.1A priority patent/EP3731346A1/fr
Publication of EP3619773A1 publication Critical patent/EP3619773A1/fr
Application granted granted Critical
Publication of EP3619773B1 publication Critical patent/EP3619773B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • 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
    • H01R4/489—Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—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
    • 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
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48455—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar insertion of a wire only possible by pressing on the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R9/223—Insulating enclosures for terminals
    • 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
    • H01R9/2408—Modular blocks
    • 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
    • H01R4/4846—Busbar details
    • H01R4/4852—Means for improving the contact with the conductor, e.g. uneven wire-receiving surface

Definitions

  • the invention relates to a terminal with
  • an insulating housing having a conductor insertion channel extending in the direction of a conductor insertion axis with an at least partially circumferential conductor channel wall disposed coaxially with the conductor insertion axis and having an actuating channel disposed adjacent to the conductor insertion channel,
  • a U-shaped bent leg spring which has a bearing leg, a clamping leg and a spring bow connecting the bearing leg with the clamping leg,
  • abutment leg is mounted on the busbar and a clamping edge of the clamping leg with a contact region of the busbar forms a spring clamp connection for clamping an electrical conductor inserted in the conductor insertion channel.
  • coaxial is meant not only the arrangement with respect to a cylindrical conductor channel wall, but if the center of gravity of a uniform cross section of the conductor channel wall is in the extension direction parallel to the conductor insertion axis, then it is coaxial.
  • DE 10 2013 1 1 1 574 A1 shows a spring terminal connection for clamping electrical conductors with a slidably received in the insulating housing actuating lever.
  • the actuating pushbutton has an actuating surface for engagement with the clamping leg of the clamping spring, so that the actuating pushbutton is guided on the clamping leg.
  • a protruding nose of the actuating handle protrudes into the mouth of the conductor insertion opening and forms part of the wall of the conductor insertion opening.
  • DE 10 2015 120 063 B3 shows a conductor terminal with an insulating housing and a spring terminal connection and a pusher slidably received in a presser shaft.
  • the pusher has a projecting pusher nose, which ends in the actuated state above a conductor receiving opening introduced into a busbar.
  • the pusher is displaceably mounted on the boundary wall of the conductor insertion opening defining the conductor insertion direction parallel to this conductor insertion direction.
  • the Isolierstoffgeophuse and push buttons of such terminals are made of plastic material.
  • the forces acting on the actuating pushbutton and also on the insulating material can lead to a deformation of the synthetic material. This is especially true because of the space available in the region of the clamping spring for accommodating the conductor insertion opening and the actuating lever in addition to the clamping spring and thus the available material thickness is very limited. Based on this, it is an object of the present invention to provide an improved terminal.
  • the actuating axis which is defined by the longitudinal displacement direction of the actuating pushbutton in the actuating channel, relative to the conductor insertion axis at an angle of 5 ° to 30 ° and preferably 5 ° to 20 ° is achieved that the conductor insertion opening and the actuating handle taken in a very small space can be.
  • the inserted conductor and the actuating push-button are thereby displaced towards one another at a common (virtual) meeting point into the insulating material housing when they are at such an acute angle to one another. Due to the angular offset succeeds, the space available to use between the actuating channel and conductor insertion channel for optimized support of the actuating lever.
  • the force acting on the actuating pushbutton of the clamping leg of the clamping spring force direction can be improved, so as to counteract a deformation of the actuating handle and thus the insulating material.
  • the angle can be made larger with a design-adapted nozzle, and in this case be in the upper specified angular range of more than 20 °. Comparable structural designs are conceivable in order to obtain the desired angular orientation.
  • the conductor channel wall may form a partition wall to the actuating channel.
  • the actuation pusher is then guided in a section of the dividing wall which conically tapers the conductor introduction channel. This section can be aligned parallel to the actuation axis.
  • the actuation axis can be aligned approximately perpendicular to the plane which is spanned by the connection opening.
  • approximately perpendicular is meant in particular an angle of 90 ° with a tolerance of ⁇ 5 ° and preferably ⁇ 2 °.
  • This conically tapered section is used in this way not only for selectively guiding a stripped end of an electrical conductor to be clamped towards the clamping point, but instead provides a support wall for the actuating push-button in the region lying close to the clamping spring.
  • the force components exerted on the conically tapering section of the dividing wall via the actuating push-button act at a more acute angle than when the actuating push-button is supported on a non-conically tapered section of the dividing wall of the conductor introduction channel. In this way, the risk of plastic or elastic deformation of the partition can be reduced.
  • the busbar may have a connection opening, wherein the leg spring is inserted into this connection opening. The actuating push-button then protrudes into this connection opening in the actuated state in which the clamping limb is displaced by the actuating push-button towards the bearing limb.
  • connection opening which may also be designed channel-like with guide walls in the manner of material passage, an electrical conductor can be reliably guided to the nip. This is especially true for multi-wire electrical conductors whose strands can otherwise spread apart when the conductor is clamped without prior deflection of the clamping spring by means of the actuating handle.
  • connection opening the available space for receiving the electrical conductor and the clamping spring is greatly reduced.
  • An optimal utilization of the available small space succeeds without risk of deformation danger by the alignment of the actuating axis and autismein operations- axis at an angle of 5 ° to 20 ° to each other.
  • the interaction of the actuating push-button and the clamping spring is substantially improved if the stroke of the actuating push-button is utilized as much as possible towards the clamping end of the clamping leg. This is achieved when the actuating pushbutton dips into the connection opening in the actuated state. Although this limits the space available even further. Actually, however, this displacement is available when the actuating axis and the conductor insertion axis are aligned at the angle of 5 ° to 20 ° to each other.
  • the electrical conductor is advantageously guided along the actuating pushbutton in this way and does not impact on the clamping leg.
  • the actuating pushbutton can have a shoulder which reduces the width of the actuating end at its actuating end which acts on the clamping leg.
  • the heel then forms a stop for support on an edge region of the conductor rail which delimits the connection opening.
  • the operating end of the actuating handle tapers to immerse in the connection opening, the displacement of the actuating pushbutton is limited by means of the shoulder, which forms a stop between the actuating lever and busbar.
  • the actuating lever with the help of the paragraph above the operating end designed wider than in the operating end. The actuating push-button is thereby more stable and can be supported on the widened end on the insulating housing in a region which is stronger than in the central region due to the generally cylindrical design of the adjacent conductor introduction channel.
  • the facing towards the clamping leg surface of the actuating lever can be formed starting from the actuating head to the clamping leg without a projection.
  • the actuating lever is in other words in cross section perpendicular to the actuating axis in the direction of the conductor insertion channel to the clamping spring out starting from an actuating head without projections to the clamping leg out.
  • the space required by the actuating lever is kept small by the projection-free design.
  • the end face of the clamping leg acting on the actuating end of the actuating pushbutton can have a rounded contour. Then the operating end is indeed tapered, but it is still formed by the rounded contour no disadvantageous projection.
  • the actuation channel may be flared in a head portion adjacent to a cylindrical shell-receiving portion of the conductor insertion channel to the outside of the insulating housing.
  • the actuating handle has an actuating head in the conically widened head portion, which seen in cross-section from the conductor insertion channel to the clamping spring towards the outside of the insulating housing towards increasing thickness.
  • actuating channel has a cross section adapted to the conically widening head section, by means of which removal from the mold of the injection molding tool during injection molding of the insulating housing is possible in a simple and reliable manner.
  • a surface for acting on the actuating handle is provided, which can be reliably acted upon with commercial screwdrivers as an operating tool.
  • the clamping leg of the clamping spring starting from the spring bow in the unattent- tained state in which the clamping leg is not deflected by the actuating pusher to the plant leg out, so be aligned with respect to the spring bow that extends the clamping leg extension of the actuating pushbutton next to the actuating handle and is passed after a bend below the Be Corpungsendes the unactuated actuating handle in its rest position by the actuating channel and the conductor insertion channel or through the outlets.
  • This bending of the clamping leg, behind which, as seen from the spring bow of the clamping leg is passed under the operating end of the actuating push button, represents the area at which the distance between the clamping leg and plant leg is the lowest.
  • the actuating end of the actuating push-button is then aligned with the clamping leg such that the actuating end acts on the section of the clamping leg lying behind the bend as viewed from the spring bow and slides along this section when the actuating push-button is displaced in the actuating channel.
  • the clamping spring is acted upon in the starting from the spring bow behind the bend area of the clamping leg at a distance from the spring bow.
  • the bending of the clamping leg may have an internal angle in the range of 90 ° to 160 °, and preferably up to 140 °. This ensures that the clamping leg is aligned in a matching for the above reasons relationship to the actuation axis or to the sliding plane of the actuating lever.
  • the clamping leg can form the clamping edge with its end edge on the clamping leg end.
  • a terminal portion adjoining the clamping leg end can then be bent inwardly toward the connection opening of the bus bar.
  • Clamping leg end is achieved that the force acting on the actuating end of the actuating lever portion of the clamping leg can be aligned at a greater angle to the actuating axis, as would be possible without this Abwinke- ment at the clamping leg end.
  • the clamping leg of the clamping spring can be designed so that it exerts a force in each actuation state on the actuating push button at an angle of less than 50 ° to a sliding plane on which the actuating pushbutton is guided longitudinally displaceable. This ensures that a tilting moment acting on the actuating pushbutton and the deformation energy are kept as low as possible.
  • the actuating axis and the conductor insertion axis can cut the clamping leg of the clamping spring independently of each other at different points of intersection and spaced from each other through a connection opening in the busbar and cut only below the plane of the busbar having the connection opening.
  • the actuating handle and the conductor to be clamped are close to each other and are aligned at an angle to each other so that the actuating lever and the electrical conductor act independently of each other on the clamping leg, wherein the actuating handle slides along the clamping leg on actuation.
  • the actuation end of the actuating push-button can, in the actuated state, be close to the clamping leg end or close to the clamping edge, so that the connection can be smaller overall.
  • the actuating forces can be uniformed and thus overall reduced.
  • the actuation force can thus be kept approximately the same over the entire actuation path, which leads to a uniform actuation force level. For a safe and uniform return of the actuating lever is possible.
  • the actuating pushbutton can have a shoulder which forms a return stop in the direction opposite the direction of actuation of the actuating pushbutton with a projection in the actuating channel. This prevents the actuating lever from falling out of the actuating channel.
  • the actuating lever is inserted into the actuating channel, whereby the side walls can widen until the return stop snaps behind the recess or the locking edge of the side wall.
  • the partition wall opposite boundary wall of the actuating channel is inclined relative to the actuating axis.
  • the opposite to the partition wall inner wall of the actuating channel to the actuating opening of the actuating channel in the direction of the partition wall is running tapered inclined. This results in the return of the actuating lever to a tilting of the actuating pusher in the direction of the partition wall or the conductor insertion channel, so that a slot between the partition wall and the head end is reduced and preferably at least largely closed. A possible penetration of dirt and / or foreign bodies is thus avoided and it also improves the visual appearance.
  • the actuation depressors may have groove-like depressions. These groove-like depressions can be arranged, for example, on the lateral support surfaces. For different types of actuators can be provided with different recesses. This coding of the actuating handle for optical detection for automated assembly is possible.
  • the busbar and the actuating handle in the operating state in which the clamping leg is displaced by the actuating handle to the plant leg, protrudes into the connection opening.
  • the central actuating axis of the actuating channel is offset in the width direction of the connection opening to the central axis of the connection opening.
  • An actuating head received in the actuating channel is thicker in the width direction than the adjoining section of the actuating trigger leading to the connection opening.
  • the center of the connection opening in the plane of the busbar is thus not aligned with the center of the actuating channel, so that when inserted in total symmetrically formed actuating handle, a gap in the actuating channel between the lateral wall of the insulating housing of the terminal and the actuating lever is present.
  • the actuating head of the actuating lever in the width direction is slightly thicker than over the remaining portion. This results in that the actuating opening of the actuating channel is largely filled in the width direction to small gaps.
  • the actuating lever is slightly tilted in the operating channel aligned in the mounting direction of the terminal on a mounting rail.
  • Figure 1 sectional view of a terminal in the de-energized state
  • Figure 2 sectional view of the terminal of Figure 1 in the actuated state
  • Figure 3 detail of the terminal of Figure 1 in plan view;
  • Figure 4 Cross-sectional view of a section of the terminal
  • Figure 5 Cross-sectional view of a section of the terminal
  • FIG. 9 shows a cross-sectional view of the detail from FIG. 8 in section A-A
  • FIG. 10 is a cross-sectional view of the detail from FIG. 8 in section B-B
  • FIG. 12 shows a perspective view of the actuating pushbutton of the connecting terminal from FIG. 7 on the front side;
  • FIG. 13 shows a perspective view of the actuating pushbutton of the connecting terminal from FIG. 7 on the rear side;
  • Figure 14 Perspective view of the terminal of Figure 8 obliquely from below.
  • Figure 1 shows a sectional view of a terminal 1 with a Isolierstoffge- housing 2, the terminal 1 is in the illustrated embodiment, a part of a terminal block, which is shown only in the cutout and can have several such terminals.
  • the insulating housing 2 has a conductor insertion channel 3 which is delimited by circumferential conductor channel walls 4.
  • an actuating channel 5 is arranged, in which an actuating pushbutton 6 is slidably mounted.
  • the adjacent to the actuating channel 5 conductor channel wall 4 of the conductor insertion channel 3 forms a partition wall 7 to the actuating channel. 5
  • the terminal 1 further has a busbar 8 with a connection opening 9, which is introduced into the plane spanned by the busbar 8 level.
  • the connection opening 9 is formed as a material passage with from the plane of the busbar 8 in the insertion of an electrical conductor downwardly projecting in the longitudinal direction of the busbar 8 side guide walls 10a and a contact wall 10b and a contact wall 10c.
  • the guide walls 10a are formed in one piece from the material of the busbar 8 and provide guide walls for an electrical conductor.
  • a U-shaped bent leg spring 1 1 is inserted into this connection opening 9 of the busbar 8.
  • the leg spring 1 1 has a plant leg 12 which rests against a projecting from the busbar 8 investment wall 10 b and is superimposed there.
  • a spring bow 13 connects.
  • the leg spring is received in a free space of the insulating housing 2.
  • the range of motion of the leg spring 1 1 can be limited by the free space bounding wall surfaces of the insulating housing 2 and optionally by an additional retaining pin 14.
  • a plant leg 12 diametrically opposite clamping leg 15 connects. This clamping leg 15 dives with its free terminal end in the connection opening 9 a.
  • the clamping leg 15 forms with its front edge on the clamping leg end 16 a clamping edge 17.
  • An inserted into the conductor insertion channel 3 electrical conductor can then be clamped between the clamping edge 17 and the busbar 8.
  • the busbar 8 provides for this purpose a contact wall 10c ready, which is integrally formed from the material of the busbar 8 and obliquely to the plane of the busbar 8 in the escape the connection opening 9 hineinerstreckt.
  • This contact wall 10c is formed by a bending contour so that a projecting contact edge 19 is provided and in the illustrated rest state without inserted conductor, the clamping edge 17 in the connection opening 9 of the contact wall 18 is applied.
  • the Klennnnschenkel 15 has in the vicinity of the spring bow 13 a bend 20 and is guided in this way so that the Klennnnschenkel 15 in the illustrated unactuated state in which the clamping leg 15 is not deflected by the actuating handle 6, starting from the spring bow 13 first in the extension direction of the actuating pushbutton 6 next to the actuating pushbutton 6, and then extends to the bend 20 below the actuating end 21 of the actuating pushbutton 6.
  • the clamping leg 15 is guided in this way through the actuating channel 5 and the conductor insertion channel 3 and through the outlets transversely.
  • transverse is meant that the clamping leg 15, the actuating channel 5 and the conductor insertion channel 3 intersects at an angle of more than 45 ° and is thus aligned substantially perpendicular thereto.
  • the clamping leg 15 is further formed with its bend 20 so that the distance between the clamping leg 15 and bearing arm 12 at the bend is the lowest.
  • the partition wall 7 is lowered in the unactuated state to the clamping leg 15.
  • the partition 7 does not have to touch the clamping leg 15, but can adjoin it at a distance of a small gap. However, this distance should be as small as possible and preferably be less than the thickness of the clamping leg 15 as a tolerance measure. This ensures that the actuating handle 6 in the vicinity of the clamping spring 1 1 in a region in which the force is greatest by the clamping spring 1 1 on the actuating handle 6 and thus on the adjoining partition wall 7, is performed.
  • a cylindrical casing receiving portion M is provided by the circumferential conductor channel walls 4.
  • This casing receiving portion M can also oval or polygonal. It is only important that the diameter or the cross-sectional area over the conductor insertion axis L remains constant in the area of the sleeve receiving section M.
  • the conductor insertion axis L is determined by the extension direction of the conductor insertion channel 3 and thus by the concentric thereto extending conductor channel walls 4.
  • the housing receiving section M is adjoined by a section tapering conically to the busbar 8.
  • the dividing wall 7, which serves as an intermediate wall to the actuating channel 5, extends in the direction of the actuating axis B in this conically tapered region of the conductor insertion channel 3 and is aligned parallel to this actuating axis B.
  • the actuating axis B is determined by the extension direction of the actuating lever 6 and by the adapted thereto form the inner walls of the actuating channel 5, which extend concentrically around the actuating axis B.
  • actuation axis B is aligned at an angle to the conductor insertion axis L.
  • the angle between the actuating axis B and the conductor insertion axis L is in the range of 5 ° to 20 °. In the illustrated embodiment, it is about 15 ° +/- 5 °.
  • actuating axis B is aligned approximately perpendicular to the plane of the busbar 8 and thus to the plane defined by the connection opening 9 plane.
  • the conductor insertion axis L has an internal angle of about 75 ° to the plane of the busbar. 8
  • the actuating channel 5 is widened conically in a head section, which lies next to the cylindrical jacket section M, to the outside of the insulating housing 2.
  • the actuating head 22 of the actuating handle 6 has seen an increasing thickness towards the head end in cross section from the conductor insertion channel 3 to the clamping spring out, ie in the illustrated section.
  • an actuating slot 23 or other recess is provided, which is provided for receiving the end of an actuating tool.
  • the partition 7 between the conductor insertion channel 3 and the actuating channel 5 has at its outer end a tab 24. This arises after removal of a pulled out of the conductor insertion channel 3 and the actuating channel 5 injection mold part by elastic deformation.
  • FIG. 2 shows the connection terminal 1 from FIG. 1 in the now actuated state.
  • the actuating lever 6 is now moved linearly in the actuation channel 5 in the direction of the actuation axis B down to the busbar 8.
  • the actuating handle 6 is guided on a sliding plane G formed by the partition 7 in the direction of the actuating axis B.
  • the clamping leg 15 of the clamping spring 1 1 exerts a force on the actuating pushbutton 6.
  • the force direction is always less than 50 ° to the sliding plane G and thus directed in the direction of the actuating axis B out. The influence of shear forces acting on the actuating handle 6 is thus considerably reduced.
  • the very far down to the busbar 8 drawn partition 7 can absorb such lateral forces and resulting tilting moments.
  • the acting of the clamping spring 1 1 on the actuating lever 6 forces are directed in each operating state on the partition wall 7 and not on a portion of the actuating lever 6, which is not supported by the insulating material 2.
  • the clamping leg 15 is shown in two deflection states. In the upper, the operating lever 6 overlapping state of the operating lever 6 would not dip into the connection opening 9 of the bus bar 8. Then the Steckberger Si for clamping an electrical conductor would be much smaller than the smallest diameter of the conically tapered conductor insertion channel 3. An electrical conductor would then abut the terminal end 16 and are guided by this in this bottleneck.
  • the actual deflection state of the clamping leg 15 is the further deflected with the plug dimension S2. It is clear that a plug-in dimension is achieved here that corresponds to almost the complete smallest diameter of the conically tapered conductor insertion channel 3.
  • the actuating push-button 6 with its actuating end 21 dips into the connection opening 9 of the busbar 8 with a depth T.
  • This depth T is greater than the thickness of the bus bar 8 in the region connecting the connection opening 9.
  • the interaction between the actuating lever 6 and clamping spring 1 1 is optimal by the long operating stroke.
  • the small available space in the connection opening 9 for clamping the electrical conductor and for receiving the clamping spring 1 1 can continue to be used by the angular offset of the actuating axis B and conductor insertion axis L for receiving the actuating lever 6. This succeeds completely actuated state in a far away from the spring bow 13 point on the clamping spring 1 1 act, whereby the force effects are optimized.
  • the outwardly conically widening actuating head 22 in the fully depressed, actuated state is adapted to the conically widening towards the outside of the insulating housing 2 towards the head portion of the actuating channel 5.
  • a step 25 on the head section together with a step 26 in the actuating channel 5 form a stop with which the displacement path of the actuating pushbutton 6 to the busbar 8 is limited.
  • FIG. 3 shows a plan view of a detail of the connection terminal 1 from FIG. 1 in the unactuated state. It is clear that the head portion 22 has an actuating slot 23. This may also be another form, such as cross-shaped, angular or round.
  • FIG. 4 shows a cross-sectional view of the terminal 1 of Figure 1 in the unactuated state as a detail. It can be seen that the actuating lever 6 in the section in the width direction of the bus bar 8 in the region of the actuating head 22 has a smaller width than in an adjoining, leading to the bus bar 8 middle section 27.
  • the actuating pushbutton 6 has, at its actuating end 21 acting on the clamping leg 15, a shoulder 29a, 29b which reduces the width of the actuating end 21 in comparison with the middle section 27 and the actuating head 22.
  • This shoulder 29a, 29b forms a stop for resting on a connection opening 9 bounding edge region 30 of the busbar.
  • the width of the actuating portion 21 seen in the illustrated cross section is adapted to the width of the connection opening 9 in the busbar 8 and at least slightly smaller than this width of the connection opening 9. In this way, it is ensured that the actuating lever 6 immerse in the connection opening 9 can.
  • FIG. 5 shows a cross-sectional view of the connection terminal 1 from FIG. 2 in the actuated state. It is clear that the operating end 21 dips into the connection opening 9 of the busbar 8. The shoulders 29a, 29b formed in the transition of the widened lateral support surfaces 28a, 28b of the middle section 27 to the actuating end 21 abut against the edge regions 30 of the busbar 8, which delimit the connection opening 9 laterally. In this case, further depression of the actuating pushbutton 6 into the connection opening 9 is prevented. It is further clear from FIGS. 4 and 5 that the center of the connection opening 90 is not aligned with the center of the actuating channel 5.
  • FIG. 6 shows a sectional view of a further embodiment of a connection terminal 1. This is similar in construction to the previously described terminal 1 and has in this respect only a few modifications. In essence, therefore, reference may be made to the preceding description.
  • the conductor insertion channel 3 has first a cylindrical shell portion M, which then merges into a conically tapered section.
  • the partition wall 7 in this conically tapering region forms a bearing and sliding surface G for the actuating pushbutton 6.
  • the sliding surface G is aligned parallel to the actuating axis B.
  • the partition wall 7 is pulled down so far from the upper level of the busbar 8 and the plane spanned by the connection opening 9 that in the unactuated state of the clamping leg 15 is immediately adjacent to the partition 7 optionally spaced with a small gap.
  • the actuating head 22 has a projecting towards the conductor insertion channel 3 nose 31, which projects freely in the unactuated state in the conically widening head portion of the actuating channel 5.
  • an actuating force F is exerted on the clamping end 21 of the actuating lever 6, which is aligned as shown at an acute angle to the sliding plane G and to the actuating axis B. This acute angle is less than 50 °.
  • the internal angle of the force direction F to the sliding plane G is about 30 °.
  • the actuating axis B is arranged offset at an angle to the conductor insertion axis L. This angle is also about 15 ° +/- 5 °. An angle of 16 ° is very suitable, wherein the actuation axis B is perpendicular to the plane of the busbar 8 or the plane spanned by the connection opening 9 in the busbar 8.
  • FIG. 7 shows the connection terminal from FIG. 6 in the actuated state. In this case, the actuating lever 6 is now linearly displaced in the direction of the actuation axis B or along the sliding plane G in the image plane down to the busbar, so that the tapered actuating end 21 dips into the connection opening 9 of the busbar 8.
  • the clamping leg 15 of the clamping spring 1 1 exerts an actuating force F on the actuating end 21, which acts at an angle of less than 50 ° to the sliding plane G. Again, the interior angle is considered.
  • the force acting on the actuating lever 6 by the clamping leg 5 is thus directed in the direction of the actuating axis B, rather than transversely thereto.
  • the direction of force is oriented so that it faces the partition 7.
  • the tilting moments acting on the actuating end 21 are thus negligible. Due to the tapered operating end 21, which follows the direction of extension of the sliding plane G and the actuating axis B and has no projections, such adverse tilting moments and deformation energies are avoided, which could affect the stability of the actuating lever 6.
  • the conductor channel wall 4 on the opposite side has, after a first inclined surface, a further end section which essentially follows the extension direction of the conductor channel wall 4 in the mantle section M. This end portion then goes into the transition of the connection opening 9 Connecting the busbar 8 via and thus serves as an extension of the clamping wall 10c.
  • the partition wall 7 for actuating opening 5 in the region of the guide portion for the actuating push-button 6 to the busbar 8 is rectilinear.
  • the dividing wall 7 has a non-uniform cross-section in this guide section and forms below the jacket section M a wall section tapering conically to the conductor insertion channel 3.
  • the end section of the conductor insertion channel 3 in the opening to the connection opening 9 in the busbar 8 merges into a cylindrical section or a section with a constant cross section.
  • Figure 8 shows a cross-sectional view of a detail of an embodiment of the terminal 1 in the region of the actuating head 22 of the actuating lever 22 recognize. It is clear that the inner wall 40 of the actuating channel 5 lying opposite the dividing wall 7 is designed to be inclined toward the operating opening at the head end of the actuating channel 5 in the direction of the dividing wall 7. This results in the illustrated feedback of the actuating lever 6 to a tilting of the actuating lever 6 in the direction of the partition wall 7 and the conductor insertion channel 3. Thus, the recognizable in Figures 3 and 4 gap or slot between the partition 7 and the actuating head 22 is at least largely closed. A possible penetration of dirt and / or foreign bodies is thus avoided and the visual appearance is improved.
  • the actuating head 22 is formed slightly thicker in the width direction, as over the remaining portion.
  • the operating opening of the actuating channel 5 can be largely filled in the width direction to small lateral column.
  • the actuating pushbutton 6 is tilted slightly in the actuating channel 5 in the mounting direction of the terminal block on a mounting rail, ie in the direction of the side walls.
  • the same symmetrical actuating handle 6 can be used on envelope at both ends of a terminal block and it is achieved a uniform connection diagram.
  • FIG. 9 shows a cross-sectional view of the detail from FIG. 8 in section AA. It is clear that the actuating head 22 fills the actuating channel except for small remaining column.
  • FIG. 10 shows a cross-sectional view of the detail from FIG. 8 in section BB. It is clear that the actuating lever 6 in this section is significantly narrower than in the region of the actuating head 22.
  • the conductor insertion opening 3 is also opened laterally in this area and is closed circumferentially only with the insulating material jacket of the electrical conductor to be clamped or with the side wall of a terminal block arranged next to it.
  • FIG. 11 shows a cross-sectional view of the detail from FIG. 8 in section C-C.
  • the actuating handle 6 is located in this cutting area on the clamping leg 15 of the clamping spring to slide off when pressed down on the clamping leg 15 to the clamping edge.
  • the conductor insertion opening 3 is in this
  • FIGs 12 and 13 show a perspective view of the actuating pushbutton of the terminal of Figure 7 on the front and back. It can be seen that the actuating pushbutton 6 is widened in the region of the lateral support surfaces 28a, 28b. This width projects beyond the width or the diameter of the conductor insertion channel 3 at least in the actuated state of the actuating pushbutton 6, so that the acting spring forces can be absorbed by the thicker lateral side walls. This is indicated in FIG. 11.
  • the partition wall 7 can be made thinner in the central region, resulting in an overall smaller version of the terminal.
  • the actuating pushbutton 6 has groove-like recesses 32 in the region of the support surfaces 28a, 28b. These can be different from each other for different variants of the actuating lever 6.
  • the groove-like indentations 32 are thus codes that can be detected with the aid of automated optical recognition and can be used for automated assembly.
  • Figure 14 shows a perspective view of the terminal 1 of Figure 8 obliquely from below. It is clear that the laterally open side wall of the conductor insertion channel 3 is filled by the insulating jacket of an electrical conductor 33 to be clamped. It can also be seen that the actuating pushbutton bears against the clamping leg 15 of the clamping spring 11. The support surfaces protrude laterally and are applied to the insulating housing 2.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Installation Of Bus-Bars (AREA)

Abstract

L'invention concerne une borne de connexion (1) qui est munie d'un boîtier (2) en matière isolante qui comprend un conduit d'insertion de conducteur (3) s'étendant en direction d'un axe d'insertion de conducteur (L) et d'un conduit d'actionnement (5) disposé à côté du conduit d'insertion de conducteur (3). La borne de connexion (1) comporte en outre un ressort à branches (11), plié en U, comportant une branche d'appui (12), une branche de serrage (15) et une arche de ressort (13) reliant la branche d'appui (12) et la branche de serrage (15), une barre collectrice (8) et un poussoir d'actionnement (6) logé dans le conduit d'actionnement (5) de manière mobile longitudinalement. La branche d'appui (12) est montée sur la barre collectrice (8) et un bord de serrage (17) de la branche de serrage (15) forme, avec une zone de contact de la barre collectrice (8), une borne de serrage à ressort. Un axe d'actionnement (B), défini par la direction de déplacement longitudinal du poussoir d'actionnement (6) dans le conduit d'actionnement (5), et l'axe d'insertion de conducteur (L) sont orientés l'un par rapport à l'autre en formant un angle compris entre 5 ° et 30 °.
EP18721327.7A 2017-05-05 2018-04-25 Borne de connexion Active EP3619773B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP21176618.3A EP3890118A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement
PL18721327T PL3619773T3 (pl) 2017-05-05 2018-04-25 Zacisk przyłączeniowy
EP20180556.1A EP3731346A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017109694.9A DE102017109694B4 (de) 2017-05-05 2017-05-05 Anschlussklemme
PCT/EP2018/060594 WO2018202504A1 (fr) 2017-05-05 2018-04-25 Borne de connexion

Related Child Applications (4)

Application Number Title Priority Date Filing Date
EP21176618.3A Division-Into EP3890118A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement
EP21176618.3A Division EP3890118A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement
EP20180556.1A Division-Into EP3731346A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement
EP20180556.1A Division EP3731346A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement

Publications (2)

Publication Number Publication Date
EP3619773A1 true EP3619773A1 (fr) 2020-03-11
EP3619773B1 EP3619773B1 (fr) 2021-09-22

Family

ID=62091861

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Application Number Title Priority Date Filing Date
EP20180556.1A Pending EP3731346A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement
EP21176618.3A Pending EP3890118A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement
EP18721327.7A Active EP3619773B1 (fr) 2017-05-05 2018-04-25 Borne de connexion

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP20180556.1A Pending EP3731346A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement
EP21176618.3A Pending EP3890118A1 (fr) 2017-05-05 2018-04-25 Borne de raccordement

Country Status (9)

Country Link
US (1) US10615519B2 (fr)
EP (3) EP3731346A1 (fr)
JP (2) JP7220671B2 (fr)
KR (1) KR102593781B1 (fr)
CN (2) CN114221143B (fr)
DE (2) DE102017109694B4 (fr)
PL (1) PL3619773T3 (fr)
RU (1) RU2755182C2 (fr)
WO (1) WO2018202504A1 (fr)

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WO2023274949A1 (fr) 2021-06-30 2023-01-05 Hager-Electro Sas Borne de connexion et appareil électrique associé
FR3124900A1 (fr) 2021-06-30 2023-01-06 Hager-Electro Sas Borne de connexion et appareil électrique associé

Also Published As

Publication number Publication date
WO2018202504A1 (fr) 2018-11-08
EP3619773B1 (fr) 2021-09-22
CN114221143A (zh) 2022-03-22
KR102593781B1 (ko) 2023-10-25
DE202018006907U1 (de) 2024-05-16
EP3890118A1 (fr) 2021-10-06
PL3619773T3 (pl) 2022-02-07
CN110622358B (zh) 2022-01-14
CN114221143B (zh) 2024-06-04
DE102017109694B4 (de) 2022-10-06
JP7471384B2 (ja) 2024-04-19
KR20200004304A (ko) 2020-01-13
US20200067212A1 (en) 2020-02-27
DE102017109694A1 (de) 2018-11-08
RU2755182C2 (ru) 2021-09-14
JP2020518954A (ja) 2020-06-25
RU2019132060A (ru) 2021-06-07
JP7220671B2 (ja) 2023-02-10
EP3731346A1 (fr) 2020-10-28
CN110622358A (zh) 2019-12-27
US10615519B2 (en) 2020-04-07
JP2023036817A (ja) 2023-03-14

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