EP1183702B1 - Knebelverbindung - Google Patents

Knebelverbindung Download PDF

Info

Publication number
EP1183702B1
EP1183702B1 EP01936088A EP01936088A EP1183702B1 EP 1183702 B1 EP1183702 B1 EP 1183702B1 EP 01936088 A EP01936088 A EP 01936088A EP 01936088 A EP01936088 A EP 01936088A EP 1183702 B1 EP1183702 B1 EP 1183702B1
Authority
EP
European Patent Office
Prior art keywords
toggle
connection according
coupling component
locking
shaped
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.)
Expired - Lifetime
Application number
EP01936088A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1183702A1 (de
Inventor
Dietmar Hillebrand
Uwe Bremer
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.)
AEG Niederspannungstechnik GmbH and Co KG
Original Assignee
AEG Niederspannungstechnik 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 AEG Niederspannungstechnik GmbH and Co KG filed Critical AEG Niederspannungstechnik GmbH and Co KG
Publication of EP1183702A1 publication Critical patent/EP1183702A1/de
Application granted granted Critical
Publication of EP1183702B1 publication Critical patent/EP1183702B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/1009Interconnected mechanisms
    • H01H71/1018Interconnected mechanisms with only external interconnections

Definitions

  • the present invention relates to a toggle joint for coupling gags of two switching devices, in particular a remote drive and at least one further switching device, namely an LS switch and / or an auxiliary switch according to the preamble of patent claim 1.
  • a shift lever connection of this type is known.
  • the switching lever connection disclosed in this prior art serves for the rigid coupling of a plurality of switching levers or toggles of a multi-pole switch which can be pivoted about a common axis and in each case have an actuating element.
  • This connection is achieved in a simple and in a manner suitable for mass production, characterized in that the actuating elements of the toggle are each formed as an elastically deformable expansion part and coupled to each other by a pin pressed into the expansion parts.
  • Such a coupling device is provided for example on the actuating element of a single-pole line, residual current or motor protection switch.
  • Switching devices such as accessory switches, remote triggers or auxiliary switches are often attached or stacked to these switches.
  • the technical teaching of this prior art therefore provides for the coupling part to be designed as a rotary axle, which is pushed or pushed into it by through holes of the actuating elements of adjacent switches formed by the expanding parts.
  • an auxiliary switch can be attached to a circuit breaker or a remote control, wherein such a rotary axis is pushed through the through holes of the actuating elements of both switching devices.
  • the spreading parts are deformed, i. widened, thereby coupled switching devices such as LS-switch may no longer be properly operated or their gag can not be repaid.
  • the toggle connection according to the invention for rigid coupling of the toggle of a switching device, preferably a remote operator with the toggle of at least one other switching device by means of a guided on one of the gag coupling member, an axis-shaped stiffening element, which at its end portions with the coupling member leading gag substantially in parallel distance is attached to the coupling member such that torsional moments can be transmitted to the knob.
  • the gag can be stiffened such that actuating forces, which are preferably introduced via the coupling component in the knob of the remote control to lead to any deformation of the gag and therefore the functionality is maintained.
  • Another aspect of the invention is to form the coupling member as a telescopically extendable driving rail or rod, which is held slowly displaceable on one of the gag and has an engagement portion, which are brought into engagement with the other gag for a power transmission in the direction of actuation of both gag can.
  • the catch rail which stores the driving rail is configured accordingly for a force introduction into the housing of the associated switching device as well as for a pull-out movement and guidance of the driving rail.
  • the essential advantage of this embodiment is that the stacked to be coupled switching devices after their assembly, for example, on a known from the prior art mounting rail by appropriately pulling the driving rail can be mechanically coupled, wherein in the event that one of the coupled switching devices a Having malfunction, the driving rail only moved along the carrier rail overlaying knob and thus the inoperative switching device can be released from the Wenn Rheinsverbund.
  • the storage of the gag in question either has an axially elongated, hinge-like shape or consists of a plurality of axially spaced bearing blocks, which can initiate bending forces as compressive forces in the housing via the pivot pin.
  • the stiffening element is designed as a rigid axle and fixed end to the bearing blocks centrally.
  • a toggle connection generally consists of a web-shaped actuating element 1 of the toggle 2 of a switching device, preferably a remote drive (see Fig. 5 ), a driving rail 3, which is mounted longitudinally displaceably on the web-shaped actuating element 1 and a clamping or locking element 4, which holds the driving rail 3 in the extended positions.
  • the actuator 1 has to form the toggle 2 of the example in Fig. 5 shown remote control pivot, consisting of two along the web-shaped actuating element 1 spaced bearing blocks 5, 6, which can be pivotally mounted on correspondingly shaped articulation points of the remote drive housing.
  • the web-shaped actuating element 1 forms in its cross section a substantially trapezoidal box profile, whereby a longitudinally extending along the pivot-shaped actuating element 1 tunnel 1a is formed.
  • a window-shaped opening 7 is excluded.
  • this opening 7 has a substantially rectangular shape.
  • Longitudinal edge portions of the web-shaped actuating element 1 are formed on the opposite side walls longitudinal grooves 8, whereby the two longitudinal edges of the actuating element 1 form undercuts.
  • a guide bead 9 extending along the actuating element 1 is formed integrally in the center, which has a substantially three-quarter full profile in cross-section.
  • this guide bead 9 protrudes at the two opposite end faces of the web-shaped actuating element 1 in a peg shape.
  • the tunnel 1a including the bead-shaped projection essentially forms a C-shaped hollow profile.
  • recesses 10, 11 are provided at diametrically opposite corners of the trapezoidal in cross-section actuating element, which form stop surfaces, which are aligned substantially parallel to the side surface of the respective end face, but opposite the respective end side along the actuating element 1 are offset inwards.
  • the clamping or locking element 4 is designed as a kind of lid or cap, which is aligned in terms of their cross-sectional shape to the top of the tunnel ceiling of the actuating element 1.
  • the cap 4 is of a hood-shaped, elongated shape whose axial length corresponds to the length of the web-shaped actuating element 1.
  • At the two free longitudinal edges of the cap is bent to two stubby legs, or strips to form a substantially U-shaped cross-section, forming at the free end edges of the stubby strips inwardly extending locking rails 12.
  • stop plates 13, 14 which are arranged parallel to the respective end face in a plane with the end face and extend with respect to the substantially U-shaped cross-sectional shape of the cap 4 inwards ,
  • the driving rail 3 has a substantially C-shaped contour in its cross-section such that its cross-sectional profile is substantially equalized to the cavity cross-section of the web-shaped actuating element 1 formed tunnel 1 a.
  • This means that the inner cross section of the C-profile is designed between half and three quarters of a circle, such that it surrounds the bead-shaped projection 9 on the actuating element 1 without play or with slight under / oversize.
  • the outer contour of the driving rail 3 substantially corresponds to the inner contour of the tunnel 1 formed by the actuator 1 with a slight undersize, such that a substantially backlash-free insertion of the driving rail 3 in the trained by the actuator 1 tunnel 1a is made possible.
  • dome-shaped recesses 17 are formed, whose shape corresponds to the shape of the knob-shaped projections 16 on the clamping or locking cap 4.
  • the distance between the dome-shaped recesses 17 is selected such that when placing the cap 4 on the driving rail 3 both knob-shaped locking projections 16 engage in two dome-shaped recesses 17.
  • the length of the driving rail 3 is approximately 1 to 2 times, preferably 1.5 times, the length of the web-shaped actuating element 1.
  • the groove depth and shape of the diametrically opposite stop plates 13, 14 of the cap 4 is adjusted.
  • the two opposing grooves are interrupted to form bar-shaped stoppers 19, wherein the two stoppers 19 are arranged offset on the opposing grooves 18 along the driving rail 3.
  • the driving rail 3 in the actuating element in the first of the gag 2 trained tunnel 1a inserted, wherein the driving rail 3 from the bead-shaped projection 9 at the tunnel bottom, from the side walls as well as the top wall of the tunnel 1a without play, possibly under slight pressure (small press fit) is performed.
  • the cap-shaped clamping / locking element 4 is pressed onto the tunnel ceiling by the two opposite, longitudinal locking rails 12 on the stubby legs of the cap 4 through the grooves 8 along the actuating element 1 engage behind trained undercuts while snapping into the grooves 8.
  • cap-shaped clamping / locking element 4 has a predetermined inherent elasticity, which allows snapping the locking rails 12 in the grooves 8.
  • the cap 4 By snapping the longitudinally extending latching rails 12 of the clamping / locking cap 4 in the longitudinal grooves 8 of the actuating element 1, the cap 4 is longitudinally positioned by the two diametrically opposite stop plates 13, 14, which are adjacent to the stop surfaces of the diametrically opposite recesses 10th , 11 create, wherein the stop plates 13, 14 protrude into the opposing grooves 18 of the driving rail 3.
  • knob-shaped projections 16 on the resilient locking elements 15 through the window-shaped Breakthrough 7 in the tunnel ceiling of the actuating element 1 on the top of the driving rail 3 resiliently pressed, wherein the knob-shaped projections 16 of the resilient locking elements 15 engage in corresponding relative position of the driving rail 3 in the dome-shaped recesses 17 on the top of the driving rail 3.
  • FIGS. 2a to 2d the toggle connection described above in the assembled state and in different locking positions of the driving rail 3 is shown.
  • the driving rail 3 can be pulled out both on the left side and on the right side of the web-shaped actuating element 1 in a telescopic manner out of the tunnel 1a formed in the actuating element 1.
  • the individual positions are defined by snapping the knob-shaped latching projections 16 into the dome-shaped recesses 17.
  • the above-mentioned stopper 19 are provided in the center portion of the driving rail 3. These lie down at a predetermined longitudinal position of the respective stop plate 13, 14, which in the guide grooves 18 of the driving rail. 3 protrude, and thus block further displacement of the driving rail from the tunnel 1a.
  • the two opposing stoppers 19 are arranged offset in the longitudinal direction of the driving rail 3 in order to increase the pull-out of the driving rail 3 from the tunnel 1a at the opposite end faces of the actuating element 1.
  • the remaining at maximum extended position in the tunnel 1a portion of the driving rail 3 is sufficient to transmit bending forces acting in the direction of the driving rail on this, in the tunnel wall and the bead-shaped projection 9, and on the two longitudinally spaced bearing blocks 5, 6 in the Housing the corresponding switching device, preferably derive the remote drive.
  • the bead-shaped projection 9 is formed continuously along the operating member 1 within the tunnel 1a, whereby the operating member 1 itself is stiffened. This is necessary insofar as that the actuating element 1, including the toggle 2, is a plastic injection-molded part which must be shaped accordingly for receiving and transmitting bending forces.
  • LS switches while the underside of the driving rail 3 which quasi forms a driving groove through the legs of their C-förmgen cross-sectional profile and thus engages the outside to be coupled toggle.
  • FIGS. 3a and 3b show a toggle connection according to a first preferred embodiment of the invention. All technical features which correspond to the technical characteristics of the toggle joint described above, are provided with the same reference numerals, wherein the renewed detailed description can be omitted.
  • the toggle connection according to the first preferred embodiment differs from the toggle connection according to FIGS. 1 and 2 in the following technical characteristics:
  • longitudinally spaced bearing blocks 5, 6 or bearing eyes are integrally formed to form the toggle 2 on the web-shaped actuating element 1, via which the actuating element 1 is pivotally hinged to the housing, preferably a remote drive.
  • act on the actuating element 1, in particular at maximum extended position of in Fig. 3a and 3b not shown further rail 3 bending forces in the direction of actuation of the toggle 2, which can lead to a deformation of the actuating element 1, whereby the operability of the toggle 2 is compromised.
  • the longitudinally extending bead-shaped projection 9 is integrally formed on the tunnel base, which in particular the web-shaped element 1 a certain Lends rigidity Despite this shape and the box profile of the web-shaped actuating element 1 itself is a deformation in particular a bending due to the bending stress on the driving rod 3 can not be excluded.
  • the first embodiment of the invention according to the Fig. 3a and 3b Accordingly, provides an additional power transmission component 20, which is arranged parallel to the web-shaped actuating element 1, and the toggle 2 in its overall design gives a kind of frame profile.
  • a different cross-sectional shape for the aforementioned blind hole for example, an ellipse, a Dahlnutprofil, a rectangular or triangular profile and the like may be provided as long as torques are transmitted through an inserted into the blind bore 21 axis in the bearing block.
  • the opposite bearing block 6 is provided with the central through hole 22, which has an identical to the blind bore 21 of the bearing block 5 cross-sectional shape or a full circle cross-section.
  • the bearing block 6 has on its outwardly directed end face Stiffening frame 23, which is formed integrally with the web-shaped actuating element 1.
  • the stiffening frame 23 encloses a substantially keyhole or cam-shaped recess 25 in plan view, which is bounded on an end face facing the bearing block 5 by a substantially circular plate 26, in which the central through-bore 22 is formed.
  • a torque transmitting rigid axle 27 is provided, which has at least in one end portion of the blind bore 21 in the bearing block 5 corresponding cross-sectional profile for a torsion in the bearing block 5.
  • a cam 24 is preferably fixed by pressing, shrinking, gluing or welding, the outer contour of which corresponds to the inner contour of the stiffening frame 23 of the bearing block 6. Due to the cam shape, a torsional moment is likewise introduced from the rigid axle 27 into the bearing block 6 with stiffening frame 23.
  • the rigid axle 27 is pushed through the through hole 22 of the one bearing block 6 and then pressed with the free end in the blind hole 21 of the bearing block 5.
  • the fixed on the other end of the rigid axle 27 cam 23 is simultaneously pressed into the stiffening frame 23 of the bearing block 6.
  • the profiled free end of the rigid axle 27 and the opposite Cam 24 in the blind bore 21 and the stiffening frame 23 may be glued.
  • the rigid axle 27 consists of a steel rod, while the cam 24 fixed thereto consists of an aluminum die-cast.
  • the stiffening member 20, which can transmit torques in the bearing blocks 5, 6, receives the web-shaped actuating element 1 of the invention 2 toggle additional stiffening to prevent deformation due to actuation forces on the thereto attached driving rail 3, in the form of bending forces in the actuator 1 are initiated.
  • the stiffening element 20, in this case the rigid axle 27, is located on the pivot axis of the toggle 2, whereby its mass moment of inertia increases only insignificantly and thus the responsiveness of the toggle 2 is not affected.
  • a bearing pin 28 is formed, which can be used in a correspondingly shaped bearing lug (not shown) of the switching device housing pivotally.
  • the cam 24 may have on the face axis facing away from the rigid axle 27 a receiving bore for a housing-side journal.
  • the rigid axle 27 itself can represent the pivot axis of the toggle 2 according to the invention.
  • FIGS. 4a and 4b a second embodiment of the toggle connection according to the invention is shown, which represents a development of the first embodiment of the invention.
  • the essential difference of the toggle connection according to the second embodiment of the invention for the first embodiment described above is that the stiffening element 20, in this case the rigid axle 27, according to the second embodiment in one piece, preferably made of an aluminum die-cast.
  • the rigid axle 27 therefore has a free end portion 27a, with a cross-sectional profile which corresponds to the cross-sectional profile of the blind bore 21 in the bearing block 5 and thus can transmit a torsional torque in the bearing block 5.
  • the cross-sectional profile corresponds to one of the profiles, as described with reference to the first embodiment.
  • the rigid axle 27 preferably has a round profile 27b with a diameter, larger diameter of the torsional moment initiating end portion 27a of the rigid axle 27, wherein the adjoining this middle portion 27b further end portion 27c of the rigid axle 27 is integrally formed to the cam shape described above.
  • the rigid axle 27 as die-cast aluminum component eliminates the manufacturing step for fixing the cam 24 to the rigid axle 27 and thus reduces the manufacturing cost.
  • diecast aluminum can transmit only lower forces, in comparison with the steel axis according to the first embodiment, the diameter of the rigid axle 27 according to the second embodiment, in particular in its center portion 27 b must be increased. Accordingly, the through hole 22 is adjusted by the bearing block 6 to the outer diameter in the middle section region of the rigid axle 27 accordingly.
  • the mounting of the rigid axle 27 of the second embodiment reference may be made to the description of the first embodiment for reasons of simplicity. Also with regard to the design of the cam 24, reference is made to the first embodiment.
  • an inherently rigid compact component is thus created with a driving rail 3 which surrounds or engages the toggles of adjoining switching devices and thus remains accessible from outside in each pull-out position.
  • the telescopic extension of the driving rail 3 from the tunnel-shaped actuator 1 and the overlap of the toggle of adjoining switching devices allows a simple back and forth of the driving rail 3 by hand without the need for an additional tool.
  • the handling of the toggle joint is improved overall, the functionality in particular by the rigid axle 27 is decisively improved.
  • the toggle joint according to the invention consists of the toggle 2, the actuating element 1 integrally connected thereto and the driving rail 3 are each plastic injection-molded parts, their production is extremely cost-effective. The same applies to the stiffening element in the form of the rigid axle 27, in particular according to the second embodiment.
  • the present invention relates to a toggle joint for rigid coupling of the toggle of at least two switching devices, preferably a remote operator and a stacked LS switch with a telescopic on / in a guide of a knob extendable mounted driving rail, which has an engagement portion with the other toggle can be brought into engagement for a power transmission in which he at least partially encompasses or overlaps the other gag.
  • a stiffening element is provided in the form of a lying in the pivot center of the knob rigid axle which extends parallel to the guide and is connected via two axially spaced bearing blocks with the guide to form a rigid frame, wherein the rigid axle torsional moments can be transmitted to the bearing blocks.

Landscapes

  • Transmission Devices (AREA)
  • Seats For Vehicles (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Handcart (AREA)
  • Lock And Its Accessories (AREA)
  • Trip Switchboards (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Mechanical Control Devices (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP01936088A 2000-03-17 2001-03-16 Knebelverbindung Expired - Lifetime EP1183702B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10013106A DE10013106C1 (de) 2000-03-17 2000-03-17 Knebelverbindung
DE10013106 2000-03-17
PCT/EP2001/003033 WO2001069628A1 (de) 2000-03-17 2001-03-16 Knebelverbindung

Publications (2)

Publication Number Publication Date
EP1183702A1 EP1183702A1 (de) 2002-03-06
EP1183702B1 true EP1183702B1 (de) 2008-12-31

Family

ID=7635157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01936088A Expired - Lifetime EP1183702B1 (de) 2000-03-17 2001-03-16 Knebelverbindung

Country Status (7)

Country Link
EP (1) EP1183702B1 (zh)
CN (1) CN100459011C (zh)
AT (1) ATE419638T1 (zh)
DE (2) DE10013106C1 (zh)
HU (1) HU227526B1 (zh)
PL (1) PL198259B1 (zh)
WO (1) WO2001069628A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005002799B3 (de) * 2005-01-20 2006-05-18 Siemens Ag Griffverbinder zur Kopplung von Bedienelementen zweier Module und Schaltgerät mit Griffverbinder
CN104157523B (zh) * 2014-06-30 2016-03-30 浙江天正智能电器有限公司 带手柄锁定功能的断路器
CN108269703B (zh) * 2017-12-26 2024-09-10 浙江正泰电器股份有限公司 外置操作手柄

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214719U (zh) * 1988-07-12 1990-01-30
CN2131186Y (zh) * 1992-07-18 1993-04-28 自贡市开关厂 一种带保护装置的隔离器
CN1105148A (zh) * 1993-12-31 1995-07-12 Abb.专利有限公司 电气开关装置
DE59405307D1 (de) * 1994-01-06 1998-04-02 Maier & Cie C Schalthebelverbindung
IT1291610B1 (it) * 1997-04-18 1999-01-11 Bticino Spa Gruppo elettrico con dispositivo di azionamento per un interruttore

Also Published As

Publication number Publication date
ATE419638T1 (de) 2009-01-15
PL350723A1 (en) 2003-01-27
WO2001069628A1 (de) 2001-09-20
CN100459011C (zh) 2009-02-04
CN1372694A (zh) 2002-10-02
HUP0201161A2 (en) 2002-08-28
DE10013106C1 (de) 2001-10-04
PL198259B1 (pl) 2008-06-30
HU227526B1 (hu) 2011-07-28
EP1183702A1 (de) 2002-03-06
DE50114609D1 (de) 2009-02-12

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