EP2642599B1 - Spring clamping point - Google Patents
Spring clamping point Download PDFInfo
- Publication number
- EP2642599B1 EP2642599B1 EP13001324.6A EP13001324A EP2642599B1 EP 2642599 B1 EP2642599 B1 EP 2642599B1 EP 13001324 A EP13001324 A EP 13001324A EP 2642599 B1 EP2642599 B1 EP 2642599B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- clamping
- leg
- swivelling lever
- point according
- 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.)
- Not-in-force
Links
- 239000004020 conductor Substances 0.000 claims description 52
- 238000007373 indentation Methods 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 210000003811 finger Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
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- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- 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
- H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
Definitions
- the invention relates to a conductor connection for a spring terminal, namely a spring terminal for connecting conductors to a terminal.
- Spring terminals are used to connect conductors to terminals in cabinets, enclosures, printed circuit boards or the like.
- a spring terminal in which the clamping spring can be opened and closed by means of a pivot lever.
- This pivot lever is pivotally mounted on the housing by means of pins which engage in corresponding openings on the terminal housing.
- the disadvantage here is the high forces acting on the pins and the openings and the housing portion with the openings. The pins attack almost punctually, so that there is a risk of breaking out of the pins from the openings.
- the housing consists of two housing halves, which are locked to each other with previous intermediate position of the pivot lever.
- the integrally formed on the pivot lever pins must be as it were Reliefspurt in the corresponding openings on the housing and the housing to be locked afterwards.
- the document EP 1 284 522 discloses a spring terminal with an alternative pivot lever with slide bearing guide.
- the present invention seeks to improve a spring terminal with a spring acting on the clamping pivot lever in terms of power distribution and to simplify its assembly.
- the invention is based on the basic idea of storing the pivoting lever as large as possible in the form of insulated housing terminal housing.
- the insulating housing has a rectangular, preferably self-contained receiving frame for the pivot lever.
- the pivot lever side walls circular segment-shaped recesses are introduced. In these recesses engage the receiving edge molded retaining strips. These retaining strips hold the pivot lever on the one hand in the frame and form on the other hand together with the edges of the circular segment-shaped recesses limit stops, between which the pivot lever is pivotable back and forth.
- a guide surface is formed on a narrow side of the holding frame, on which the swivel lever front side can slide up and down.
- the storage of the pivot lever in the receiving frame on the terminal housing can therefore also be referred to as a segment sliding bearing.
- pivot lever Due to this mounting of the pivot lever in the terminal housing, several force components act on the pivot lever. These force components act on the mounting frame and are evenly distributed over the terminal housing.
- a longitudinal slot is introduced into the pivot lever between the pivot lever side walls, so that the pivot lever side walls can be resiliently moved towards each other in the direction of the narrow sides of the support frame. In this way, the side walls so moved toward one another can easily be inserted through the holding frame and the pivot lever can be snap-fixed to the holding frame.
- the side walls of the pivot lever at its lower free ends on ramps, so that the pivot lever can be easily inserted from above into the holding frame and can be pushed into its final assembly position. The ramps cause this in conjunction with the receiving frame to move toward each other of the side walls until the lower edge of the recess is snapped over the associated retaining strip.
- a retaining pawl is formed on the housing, which additionally stabilizes the pivoting lever in the housing on the pivot lever rear side facing away from the Schwenkhebeistirnseite effective as a sliding guide.
- the pivot lever is developed to the effect that at its actuating end a cantilevered tab is formed.
- This cantilevered tab protrudes from the insulating housing of the spring terminal. Based on the relative position of this tab to the insulating housing of the spring terminal point can be seen at first glance, whether the clamping spring is open or closed. In other words, the relative position of the tab immediately indicates to the operator whether he can contact the spring terminal point or whether the spring terminal contact is closed, so that the clamping spring must first be brought back into its open position before re-contacting.
- the tab When open and thus ready for contacting spring terminal point, the tab can, for example, protrude vertically out of the housing and extend flush with the corresponding housing side wall. By contrast, when the spring terminal contact is closed, the tab can project clearly out of the housing and protrude beyond the aforementioned side wall of the housing. This allows easy detection of the respective state of the clamping spring.
- a recessed grip is provided in an expedient embodiment of the invention.
- the recessed grip serves to improve the initiation of manual force.
- the recessed grips are in fact facing away from each other, so that it is possible with the bale of the thumb in a recessed grip, for example, the recessed grip of the housing extension, and engage with the bale of the index finger and / or the middle finger in the recessed grip on the pivot lever and by a Close the hand and the associated activation of the manual force to operate the pivot lever.
- this advantageous embodiment acts on the remote from the handle recess end of the pivot lever attached Pressure jaw on the clamping spring. In this way, it is easy to transfer the manual force to the clamping spring.
- the spring terminal point has a terminal space into which the clamping leg of a clamping spring protrudes.
- the clamping leg of the clamping spring has two operating positions, namely an open position with unclamped conductor and a clamping position with clamped conductor. In the open position, the clamping leg is first fixed. This fixation of the clamping leg causes an open and disability-free access to the terminal space. In this way, the conductor can first be easily inserted into the terminal space without having to overcome any resistance or forces. It is therefore possible to connect even conductors with relatively easily bendable single wires or with a conductor terminal end with low resistance bending moment at the spring terminal. Only when the conductor has reached its final assembly position in the spring terminal point, the fixation of the spring leg is released, so that the spring leg driven by its spring pressure moves into its clamping position and rests with its spring pressure on the then clamped conductor.
- a receiving cage is provided with closed side walls.
- This receiving cage surrounds the terminal space for the conductor.
- the receiving cage can be round, oval or angular, in particular be configured rectangular. It is crucial in this embodiment, a continuous side wall of the receiving cage as a contact surface and thus as an abutment for the clamped conductor. This contact surface is advantageously the clamping leg of the clamping spring diametrically opposite. If the receiving cage is designed as a closed cage, the clamping spring is advantageously fixed on or in the area of the cage side wall opposite the contact surface. In a preferred rectangular configuration of the receiving cage, the two short sides thus form on the one hand the contact surface for the clamped conductor and on the other hand, the holding surface for the clamping spring, while the long sides form the clamping space side walls.
- a leg spring as a clamping spring, the leg is fixed directly or indirectly on the designed as a holding surface short side of the receiving cage.
- the indirect fixing is preferably carried out on a bearing block connected to the holding surface. From the fixed leg of the clamping leg is in the direction of the contact surface and is pivotable along the long sides serving as side walls.
- the receiving cage is not closed, but has two side walls as long sides.
- the long sides are connected to each other only by two end cross-members.
- the long sides may be formed as a longitudinal struts in adaptation to the transverse struts, so that the alternative embodiment then substitutes the receiving cage by a receiving frame.
- the long sides can also be formed flat, with their upper edges parallel to each other. It can also be the entire length formed parallel to each other surface.
- the flat long sides and the cross struts then form a receiving cage with two cross struts connecting the long sides.
- the one preferably designed as a cross bar cross strut forms the abutment for the clamped conductor.
- the clamping spring is advantageously fixed.
- the configured as a cross bar cross strut cooperates in an advantageous embodiment with a busbar.
- the busbar is made of conductive material and is firmly connected to the receiving cage in the region of the crossbar. This embodiment allows a material separation of functions and appropriate optimization of the structural design between the holding and spring forces receive receiving cage on the one hand and the electric line realizing busbar on the other. In this way, the alternative embodiment of the receiving cage over the first embodiment is significantly more material-saving.
- the receiving cage is preferably designed as a steel part and the busbar preferably as a copper part.
- Both embodiments make it possible to form on the front side of at least one side wall serving as a long side, preferably on both side walls, the locking mechanism.
- To form the locking mechanism while a standing up from the front side of the respective side wall projection is provided.
- This projection engages in a recess formed complementary to the projection in the clamping leg.
- the recess and the projection form a rear grip.
- the engagement position of the recess on the projection is the locking mechanism in its blocking position and the clamping spring in its open position.
- the receiving cage 2 for the stripped conductor end 3 of the conductor 4 is arranged.
- the receiving cage 2 is in its first embodiment in turn rectangular in cross section and has two parallel long sides 5,5 'and two also parallel to each other and perpendicular to the long sides 5,5' extending short sides 6,6 'on.
- the inner surface of the short side 6 shown on the left in the drawing figures serves as a contact surface for the conductor end 3 of the conductor 4 on the receiving cage 2.
- the serving as a contact surface short side 6, shown in the figures on the right short side 6 ', more specifically, the inner surface of the short side 6 shown on the right serves as a holding surface for fixing the leg 7 of the clamping spring 8. Die Clamping spring 8 is indirectly fixed to the short side 6 '.
- the bearing block 9 is angularly configured and in turn has a on the holding surface of the short side 6 'fixed holding leg 10 and a holding leg 10 at right angles extending bearing leg 11.
- the bearing leg 11 has a bearing opening, which is penetrated by the leg 7 of the clamping spring 8. The leg 7 passes through the bearing leg 11 in this opening and is supported with its lower free end against the outside of the short side 6 'from.
- the insulating housing 1 has a support element 12 for the clamping spring 8.
- the substantially U-shaped clamping spring 8 is arranged around the support element 12 around.
- the fixed leg 7 forms a U-leg and the clamping leg 13, the second U-leg.
- the clamping leg 13 is pivotally moved by the spring force of the clamping spring 8 in the direction of the short side 6 of the receiving cage 2.
- Fig. 3 is clearly visible as the clamping leg 13 of the clamping spring 8 presses the conductor end 3 of the conductor 4 against the inner surface of the short side 6.
- Fig. 2 is clearly visible that protrudes from the front sides of the two long sides 5,5 'each have a projection 14,14' upwards.
- the clamping leg 13 of the clamping spring 8 two complementary to the projections 14,14 'formed recesses 15 are formed.
- the recesses 15 are designed so that the clamping leg 13 with the projections 14,14 'in Fig. 1 can form the illustrated rear handle.
- the adjoining the recesses 15 areas of the spring leg 7 engage behind the projections 14,14 '.
- the clamping spring 8 is in this in Fig.1 prestressed shown opening position of the clamping spring 8 and the locking leg 13 and the projections 14,14 'formed locking mechanism is snapped or locked.
- the embodiment shows in the Fig. 1 .
- Fig. 2 and Fig. 3 schematically a pivot lever 17 for releasing the aforementioned locking mechanism.
- the pivoting lever 17 has a recessed grip 19 at its actuating end 18.
- a pressure jaw 20 acting on the clamping leg 13 is formed.
- the jaw 20 presses in this case on the clamping leg 13, that this is moved from its rearward gripping position in the open position with the projections 14,14 'for releasing the locking out to resiliently in the direction of serving as a contact surface inner surface of the short side 6 shown on the left pivot.
- the extension 21 has a recessed grip 19 '.
- the recessed grip 19 on the pivoting lever 17 and the recessed grip 19 'on the extension 21 are turned away from one another in the direction transverse to the conductor insertion direction 16 transverse direction 22.
- To actuate the pivot lever 17 of the thumb and another finger of a hand are inserted into the recesses 19,19 'and then pressed against the transverse direction 22 toward each other.
- a contact pin 23 protrudes from the actuation end 18 of the pivot lever 17 facing away from underside of the insulating housing 1.
- the contact pin 23 is connected to the electrically conductive receiving cage 2 at least conductive, but usually also mechanically fixed.
- the contact pin 23 is connected for this purpose either with the short side 6 or the short side 6 '.
- the Fig. 1 and Fig. 3 show a contact pin 23 connected to the short side 6.
- a contact tab 24 protrudes from the short side 6 in the conductor insertion direction 16, to which the contact pin 23 is formed. In this way, the contact pin 23 is led out of the lower left side of the insulating housing 1.
- the contact pin 23 is formed on the bearing block 9.
- the storage block 9 in this case has a bearing leg 11 in the transverse direction 22 parallel contact leg 25.
- the storage block 9 thus has a U-shaped cross-sectional shape, wherein the contact leg 25 and the bearing leg 11, the U-legs and the holding leg 10 form the U-transverse yoke.
- the contact pin 23 is bent in the conductor insertion direction 16 from the contact leg 25 down and protrudes bottom right out of the insulating housing 1.
- Fig. 4 shows a second embodiment of the receiving cage 2 '.
- the receiving cage 2 ' is designed as a formed part, preferably as a steel part.
- the receiving cage 2 ' has two flat side walls, which form two long sides 5,5' of the receiving cage 2 '.
- the long sides 5,5 ' are bridged at their one free end of a cross bar 26.
- the cross bar 26 connects the long sides 5,5 'together and substituted in the second embodiment of the receiving cage 2' existing in the first embodiment of the receiving cage 2 short side. 6
- the short side 6 facing away from short side 6 'in the first embodiment of the receiving cage is replaced by in the second embodiment of the receiving cage 2' of the transverse distance between the long sides 5, 5 'bridging transverse flap 27.
- the receiving cage 2 ', so the long sides 5,5' and the cross bar 26 and the transverse tab 27, consist of a stable material which is suitable to store the clamping spring 8 stable and absorb the spring forces of the clamping spring 8.
- the clamping spring 8 is in turn mounted with the help of its leg 7 on the receiving cage 2 '.
- the fixed leg 7 passes through the transverse lug 27 in a bearing window 29 which has been cut free from the transverse lug 27 with its free end configured as a passage extension 28.
- a busbar 30 consisting of conductive material, preferably of copper, is mounted on the receiving cage 2 '.
- the busbar 30 is L-shaped.
- the vertical leg 31 of the busbar 30 is cranked at its leg free end 32 and engages behind with its leg free end 32, the cross bar 26 on the receiving cage 2 '.
- the vertical limb 31 has a narrow tongue in its own width, which ends with the limb-free end 32 and a broader base region 33 adjoining this tongue. Due to the larger intrinsic width of the base region 33, the vertical limb 31 forms two lateral support shoulders in the transitional region between tongue and base region 33 34 off. The support shoulders 34 engage in recesses in the long sides 5 for secure locking of the busbar 30 on the receiving cage 2 '.
- a contact pin 23 is bent. It may be a further embodiment of an -in Fig. 4 , not shown- contact pin 23 in continuation of the vertical leg 31 in conductor insertion direction 16 from the horizontal leg 35 protrude.
- the out of the vertical leg 31 opposite end of the horizontal leg 35 bent contact pin 23 is in Fig. 4 arranged on the right, while the contact pin 23, not shown, which protrudes from the horizontal leg 35 in continuation of the vertical leg 31 in the conductor insertion direction 16, would be arranged on the left. If alternately a left arranged and a right arranged contact pin arranged side by side, again a PCB assembly according to the principle of Z-pinning is possible.
- the second embodiment of the receiving cage 2 'according to Fig. 4 has a more consistent material separation compared to the first embodiment of the receiving cage 2.
- the receiving cage 2 'in the embodiment shown is made of non-conductive high-strength material, for example made of steel.
- this embodiment of the receiving cage 2 ' is very material-saving.
- the conductive elements are combined in the busbar 30 and in turn made of conductive material, such as copper.
- the adaptation of the clamping spring 8 by means of the passage extension 28 on the cross-bar 27 is easy and inexpensive to implement.
- FIG. 5 shows a view of the insulating housing 1 with its rectangular receiving frame with the one long side 41 associated retaining strip 42 and the retaining claw 43 on one narrow side 44 of the receiving frame.
- the pivot lever 17 can be used to actuate the clamping leg 13 of the clamping spring 8 between the two in Fig. 7 and Fig. 9 shown extreme positions are pivoted back and forth.
- the edges 39 of the recesses 36 and engaging in the recesses 36 retaining strips 42 form stops for the pivot lever 17 in its respective pivot position.
- the in Fig. 10 shown pivot lever 17 is similar in terms of its basic structure in Fig. 5 In the transverse direction 22, a tab 47 connects to the actual body of the pivot lever 17.
- the tab 47 is separated from the actual body of the pivot lever by a gap 48.
- the tab 47 extends when the pivot lever 17 is mounted approximately in the conductor insertion direction 16.
- the tab 47 has a grip area consisting of a corrugation 49, which corresponds in its function to the recessed grip 19.
- the tab 47 is spring-like manner mounted on the pivot lever 17 in the manner of a flexible arm.
- Fig. 11 shown spring terminal corresponds in function and in many parts, which are provided with identical reference numerals, the in Fig. 1 illustrated spring terminal.
- the orientation of the contact pin 23 is different at first.
- the insulating housing 1 passes through on an underside, passes through the contact pin 23 in the embodiment according to Fig. 11 a side wall of the insulating housing. 1
- the pivot lever 17 is located in the in Fig. 11 shown opening position of both the clamping spring 8 and the pivot lever 17 in the insulating housing 1 so that the tab 47 and the adjoining the tab 47 in the conductor insertion direction 16 side wall portion 50 are flush with each other.
- the pressure jaw 20 acts on the clamping leg 13 of the clamping spring 8 such that it is transferred to its closed position.
- the clamping leg 13 of the clamping spring 8 presses from below against the pressure jaw 20 and thus changes the position of the pivot lever 17 relative to the insulating housing 1.
- the tongue 47 springs against the rest of the body of the pivot lever 17 in the transverse direction 22 clearly and engages the on the Lasche 47 subsequent side wall portion 50.
- the tab 47 overlaps the upper edge of the side wall portion 50 and thus leaves the in Fig. 11 illustrated flush position with the adjacent thereto side wall portion 50th
- the gap 48 on the tab 47 in the transverse direction 22 opposite side limiting support strip 51 of the pivot lever 17 engages over the upper edge of the side wall of the insulating housing 1.
- the pivot lever 17 is thus supported, as it were, with the aid of this support bar 51 on the upper edge of the insulating housing 1.
- the top surface of the pivot lever 17 is no longer in the transverse direction 22 in the region of the actuating end 18, but is tilted with respect to the transverse direction 22. This tilted top surface and the side wall region 50 overlapping tab 47 clearly show from the outside that the clamping spring 8 and the clamping leg 13 are moved into the clamping position.
- a screwdriver blade 52 is inserted into the insulating housing 1 in addition to the pivot lever 17.
- the screwdriver blade 52 of the clamping leg 13 of the clamping spring 8 is pivoted back into its open position, in which the clamping leg 13, the projections 14,14 'engages behind the receiving cage 2 positively.
- the tab 47 is moved back into its flush with the side wall portion 50 position and also the top surface of the pivot lever 17 and its actuating end 18 again extends in the transverse direction 22. Both the pivot lever 17 and the clamping spring 8, so in their in Fig. 11 moved back opening position shown.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Description
Die Erfindung betrifft einen Leiteranschluss für eine Federklemme, nämlich eine Federklemmstelle zum Anschluss von Leitern an eine Klemme. Federklemmstellen werden zum Anschluss von Leitern an Klemmen in Schaltschränken, Gehäusen, auf Leiterplatten oder dergleichen verwendet.The invention relates to a conductor connection for a spring terminal, namely a spring terminal for connecting conductors to a terminal. Spring terminals are used to connect conductors to terminals in cabinets, enclosures, printed circuit boards or the like.
Aus der
Weiterhin als nachteilig wird die Tatsache angesehen, dass das Gehäuse aus zwei Gehäusehälften besteht, welche aufeinander verrastet werden unter vorheriger Zwischenlage des Schwenkhebels. Hierbei müssen die am Schwenkhebel angeformten Stifte in die entsprechenden Öffnungen am Gehäuse gleichsam eingespurt werden und das Gehäuse hinterher verrastet werden.Another disadvantage is considered the fact that the housing consists of two housing halves, which are locked to each other with previous intermediate position of the pivot lever. Here, the integrally formed on the pivot lever pins must be as it were eingespurt in the corresponding openings on the housing and the housing to be locked afterwards.
Das Dokument
Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, eine Federklemmstelle mit einem die Klemmfeder beaufschlagenden Schwenkhebel hinsichtlich der Kraftverteilung zu verbessern und hinsichtlich seiner Montage zu vereinfachen.Proceeding from this, the present invention seeks to improve a spring terminal with a spring acting on the clamping pivot lever in terms of power distribution and to simplify its assembly.
Diese Aufgabe ist durch die Merkmalskombination des Anspruchs 1 in erfinderischer Weise gelöst. Die rückbezogenen Ansprüche enthalten teilweise vorteilhafte und teilweise für sich selbst erfinderische Weiterbildungen der im Anspruch 1 beanspruchten GrunderfindungThis object is achieved by the feature combination of claim 1 in an inventive manner. The dependent claims contain in part advantageous and in part self-inventive developments of claim 1 basic invention
Die Erfindung geht von der Grundüberlegung aus, den Schwenkhebel möglichst großflächig im als Isoliergehäuse ausgebildeten Klemmengehäuse zu lagern. Hierfür weist das Isoliergehäuse einen rechteckförmigen, vorzugsweise in sich geschlossenen Aufnahmerahmen für den Schwenkhebel auf. In die Schwenkhebelseitenwände sind kreissegmentförmige Ausnehmungen eingebracht. In diese Ausnehmungen greifen am Aufnahmerand angeformte Halteleisten ein. Diese Halteleisten halten den Schwenkhebel zum einen im Rahmen und bilden zum anderen gemeinsam mit den Rändern der kreissegmentförmigen Ausnehmungen Begrenzungsanschläge aus, zwischen welchen der Schwenkhebel hin und her schwenkbar ist. Zugleich ist eine Führungsfläche auf einer Schmalseite des Halterahmens ausgebildet, auf welcher die Schwenkhebelstirnseite auf- und abgleiten kann. Die Lagerung des Schwenkhebels im Aufnahmerahmen am Klemmengehäuse kann deshalb auch als Segmentgleitlager bezeichnet werden.The invention is based on the basic idea of storing the pivoting lever as large as possible in the form of insulated housing terminal housing. For this purpose, the insulating housing has a rectangular, preferably self-contained receiving frame for the pivot lever. In the pivot lever side walls circular segment-shaped recesses are introduced. In these recesses engage the receiving edge molded retaining strips. These retaining strips hold the pivot lever on the one hand in the frame and form on the other hand together with the edges of the circular segment-shaped recesses limit stops, between which the pivot lever is pivotable back and forth. At the same time, a guide surface is formed on a narrow side of the holding frame, on which the swivel lever front side can slide up and down. The storage of the pivot lever in the receiving frame on the terminal housing can therefore also be referred to as a segment sliding bearing.
Aufgrund dieser Lagerung des Schwenkhebels im Klemmengehäuse wirken mehrere Kraftkomponenten auf den Schwenkhebel. Diese Kraftkomponenten wirken auf den Aufnahmerahmen und verteilen sich so gleichmäßig über das Klemmengehäuse. Zur einfachen Montage ist zwischen den Schwenkhebelseitenwänden ein Längsschlitz in den Schwenkhebel eingebracht, so dass die Schwenkhebelseitenwände in Richtung der Schmalseiten des Halterahmens federnd aufeinander zu bewegt werden können. Auf diese Weise können die so aufeinander zu bewegten Seitenwände leicht durch den Halterahmen hindurchgesteckt und der Schwenkhebel am Halterahmen schnappfixiert werden. In vorteilhafter Ausgestaltung weisen die Seitenwände des Schwenkhebels an ihren unteren Freienden Auflaufschrägen auf, so dass der Schwenkhebel einfach von oben in den Halterahmen eingesteckt werden kann und in seine Montageendstellung hineingedrückt werden kann. Die Auflaufschrägen bewirken hierbei im Zusammenspiel mit dem Aufnahmerahmen das Aufeinanderzubewegen der Seitenwände bis der untere Rand der Ausnehmung über die zugeordnete Halteleiste übergeschnappt ist.Due to this mounting of the pivot lever in the terminal housing, several force components act on the pivot lever. These force components act on the mounting frame and are evenly distributed over the terminal housing. For easy installation, a longitudinal slot is introduced into the pivot lever between the pivot lever side walls, so that the pivot lever side walls can be resiliently moved towards each other in the direction of the narrow sides of the support frame. In this way, the side walls so moved toward one another can easily be inserted through the holding frame and the pivot lever can be snap-fixed to the holding frame. In an advantageous embodiment, the side walls of the pivot lever at its lower free ends on ramps, so that the pivot lever can be easily inserted from above into the holding frame and can be pushed into its final assembly position. The ramps cause this in conjunction with the receiving frame to move toward each other of the side walls until the lower edge of the recess is snapped over the associated retaining strip.
In bevorzugter Ausgestaltung ist an der als Gleitführung wirksamen Schwenkhebeistirnseite abgewandten Schwenkhebelrückseite eine Halteklaue am Gehäuse angeformt, welche den Schwenkhebel im Gehäuse zusätzlich stabilisiert.In a preferred embodiment, a retaining pawl is formed on the housing, which additionally stabilizes the pivoting lever in the housing on the pivot lever rear side facing away from the Schwenkhebeistirnseite effective as a sliding guide.
Bei einer weiteren Ausführungsform der Erfindung ist der Schwenkhebel dahingehend weitergebildet, dass an seinem Betätigungsende eine auskragende Lasche angeformt ist. Diese auskragende Lasche steht aus dem Isoliergehäuse der Federklemmstelle hinaus. Anhand der Relativstellung dieser Lasche zum Isoliergehäuse der Federklemmstelle ist auf den ersten Blick erkennbar, ob die Klemmfeder geöffnet oder geschlossen ist. Mit anderen Worten zeigt die Relativstellung der Lasche dem Bediener sofort an, ob er die Federklemmstelle kontaktieren kann oder ob der Federklemmkontakt geschlossen ist, so dass vor einem erneuten Kontaktieren die Klemmfeder zunächst wieder in ihre Öffnungsstellung gebracht werden muss.In a further embodiment of the invention, the pivot lever is developed to the effect that at its actuating end a cantilevered tab is formed. This cantilevered tab protrudes from the insulating housing of the spring terminal. Based on the relative position of this tab to the insulating housing of the spring terminal point can be seen at first glance, whether the clamping spring is open or closed. In other words, the relative position of the tab immediately indicates to the operator whether he can contact the spring terminal point or whether the spring terminal contact is closed, so that the clamping spring must first be brought back into its open position before re-contacting.
Bei geöffneter und damit zur Kontaktierung bereiter Federklemmstelle kann die Lasche beispielsweise senkrecht aus dem Gehäuse hinausstehen und bündig zur entsprechenden Gehäuseseitenwand verlaufen. Bei geschlossener kontaktierter Federklemmstelle hingegen kann die Lasche deutlich aus dem Gehäuse hinauskragen und über die vorerwähnte Seitenwand des Gehäuses hinausstehen. Dies ermöglicht ein leichtes Erkennen des jeweiligen Zustands der Klemmfeder.When open and thus ready for contacting spring terminal point, the tab can, for example, protrude vertically out of the housing and extend flush with the corresponding housing side wall. By contrast, when the spring terminal contact is closed, the tab can project clearly out of the housing and protrude beyond the aforementioned side wall of the housing. This allows easy detection of the respective state of the clamping spring.
Am Betätigungsende des Schwenkhebels, vorzugsweise an der Lasche, ist eine Griffmulde bei einer zweckmäßigen Ausführungsform der Erfindung vorgesehen. Im Zusammenspiel mit einem ebenso eine Griffmulde aufweisenden Fortsatz am Klemmengehäuse dient die Griffmulde zur verbesserten Einleitung der Handkraft. Die Griffmulden sind nämlich voneinander abgewandt, so dass es möglich ist, mit dem Ballen des Daumens in die eine Griffmulde, beispielsweise die Griffmulde des Gehäusefortsatzes, hineinzufassen und mit dem Ballen des Zeigefingers und/oder des Mittelfingers in die Griffmulde am Schwenkhebel einzugreifen und durch ein Schließen der Hand und die damit verbundene Aktivierung der Handkraft den Schwenkhebel zu betätigen. In dieser vorteilhaften Ausgestaltung wirkt eine an dem der Griffmulde abgewandten Ende des Schwenkhebels angebrachte Druckbacke auf die Klemmfeder. Auf diese Weise ist es einfach, die Handkraft auf die Klemmfeder zu übertragen.At the operating end of the pivot lever, preferably on the tab, a recessed grip is provided in an expedient embodiment of the invention. In conjunction with an equally as a recessed grip having extension on the terminal housing, the recessed grip serves to improve the initiation of manual force. The recessed grips are in fact facing away from each other, so that it is possible with the bale of the thumb in a recessed grip, for example, the recessed grip of the housing extension, and engage with the bale of the index finger and / or the middle finger in the recessed grip on the pivot lever and by a Close the hand and the associated activation of the manual force to operate the pivot lever. In this advantageous embodiment acts on the remote from the handle recess end of the pivot lever attached Pressure jaw on the clamping spring. In this way, it is easy to transfer the manual force to the clamping spring.
Die Federklemmstelle weist in weiterer Ausgestaltung einen Klemmraum auf, in welchen der Klemmschenkel einer Klemmfeder hineinragt. Der Klemmschenkel der Klemmfeder weist zwei Betriebsstellungen auf, nämlich eine Öffnungsstellung bei ungeklemmtem Leiter und eine Klemmstellung bei geklemmtem Leiter. In der Öffnungsstellung ist der Klemmschenkel zunächst fixiert. Diese Fixierung des Klemmschenkels bewirkt einen offenen und behinderungsfreien Zugang zum Klemmraum. Auf diese Weise kann der Leiter zunächst einfach in den Klemmraum eingeschoben werden, ohne dass er irgendwelche Widerstände oder Kräfte zu überwinden hat. Es ist deshalb möglich, auch Leiter mit relativ leicht biegsamen Einzeladern oder mit einem Leiteranschlussende mit niedrigem Widerstandsbiegemoment an der Federklemmstelle anzuschließen. Erst wenn der Leiter seine Montageendstellung in der Federklemmstelle erreicht hat, wird die Fixierung des Federschenkels gelöst, so dass der Federschenkel von seinem Federdruck angetrieben in seine Klemmstellung verfährt und mit seinem Federdruck am dann geklemmten Leiter anliegt.In another embodiment, the spring terminal point has a terminal space into which the clamping leg of a clamping spring protrudes. The clamping leg of the clamping spring has two operating positions, namely an open position with unclamped conductor and a clamping position with clamped conductor. In the open position, the clamping leg is first fixed. This fixation of the clamping leg causes an open and disability-free access to the terminal space. In this way, the conductor can first be easily inserted into the terminal space without having to overcome any resistance or forces. It is therefore possible to connect even conductors with relatively easily bendable single wires or with a conductor terminal end with low resistance bending moment at the spring terminal. Only when the conductor has reached its final assembly position in the spring terminal point, the fixation of the spring leg is released, so that the spring leg driven by its spring pressure moves into its clamping position and rests with its spring pressure on the then clamped conductor.
Aufgrund der widerstandsfreien Zugänglichkeit des Klemmraums ist es so möglich, beliebige Leiter an der Klemme anzuschließen, ohne auf eine besondere Eigenstabilität bzw. ein hohes Widerstandsmoment gegen Biegung achten zu müssen.Due to the resistance-free accessibility of the terminal compartment, it is possible to connect any conductor to the terminal without having to pay attention to a special intrinsic stability or a high resistance torque against bending.
Dabei ist es vorteilhaft, die Fixierung des Klemmschenkels bei ungeklemmtem Leiter nach Art eines Rastgesperres auszubilden. Im fixierten Zustand ist der Klemmschenkel einfach mit Hilfe des Rastgesperres verrastet. Zum Verfahren in die Klemmstellung wird das Rastgesperre einfach gelöst, so dass der Klemmschenkel mit seinem Federdruck am geklemmten Leiter anliegt.It is advantageous to form the fixation of the clamping leg in ungeklemmtem conductor in the manner of a Rastgesperres. In the fixed state, the clamping leg is simply locked by means of the Rastgesperres. For moving into the clamping position, the locking mechanism is simply released, so that the clamping leg rests with its spring pressure on the clamped conductor.
In einer ersten vorteilhaften Ausgestaltung der Erfindung ist ein Aufnahmekäfig mit geschlossenen Seitenwänden vorgesehen. Dieser Aufnahmekäfig umgibt den Klemmraum für den Leiter. Der Aufnahmekäfig kann rund, oval oder eckig, insbesondere rechteckförmig ausgestaltet sein. Entscheidend ist bei dieser Ausführungsform eine durchgehende Seitenwand des Aufnahmekäfigs als Anlagefläche und damit als Widerlager für den geklemmten Leiter. Diese Anlagefläche liegt vorteilhaft dem Klemmschenkel der Klemmfeder diametral gegenüber. Ist der Aufnahmekäfig als geschlossener Käfig ausgestaltet, ist die Klemmfeder vorteilhaft an oder im Bereich der der Anlagefläche gegenüberliegenden Käfigseitenwand fixiert. Bei einer bevorzugten rechteckförmigen Ausgestaltung des Aufnahmekäfigs bilden die beiden Kurzseiten somit einerseits die Anlagefläche für den geklemmten Leiter und andererseits die Haltefläche für die Klemmfeder, während die Langseiten die Klemmraumseitenwände bilden.In a first advantageous embodiment of the invention, a receiving cage is provided with closed side walls. This receiving cage surrounds the terminal space for the conductor. The receiving cage can be round, oval or angular, in particular be configured rectangular. It is crucial in this embodiment, a continuous side wall of the receiving cage as a contact surface and thus as an abutment for the clamped conductor. This contact surface is advantageously the clamping leg of the clamping spring diametrically opposite. If the receiving cage is designed as a closed cage, the clamping spring is advantageously fixed on or in the area of the cage side wall opposite the contact surface. In a preferred rectangular configuration of the receiving cage, the two short sides thus form on the one hand the contact surface for the clamped conductor and on the other hand, the holding surface for the clamping spring, while the long sides form the clamping space side walls.
Vorteilhaft ist eine Schenkelfeder als Klemmfeder, deren Festschenkel an der als Haltefläche ausgestalteten Kurzseite des Aufnahmekäfigs mittelbar oder unmittelbar fixiert ist. Die mittelbare Fixierung erfolgt vorzugsweise an einem mit der Haltefläche verbundenen Lagerblock. Vom Festschenkel steht dabei der Klemmschenkel in Richtung auf die Anlagefläche ab und ist entlang den als Seitenwänden dienenden Langseiten verschwenkbar.Advantageously, a leg spring as a clamping spring, the leg is fixed directly or indirectly on the designed as a holding surface short side of the receiving cage. The indirect fixing is preferably carried out on a bearing block connected to the holding surface. From the fixed leg of the clamping leg is in the direction of the contact surface and is pivotable along the long sides serving as side walls.
In einer weiteren vorteilhaften alternativen Ausgestaltung der Erfindung ist der Aufnahmekäfig nicht geschlossen, sondern weist zwei Seitenwände als Langseiten auf. Die Langseiten sind lediglich durch zwei endseitige Querstreben miteinander verbunden. Die Langseiten können in Anpassung an die Querstreben als Längsstreben ausgebildet sein, so dass die alternative Ausführungsform dann den Aufnahmekäfig durch einen Aufnahmerahmen substituiert.In a further advantageous alternative embodiment of the invention, the receiving cage is not closed, but has two side walls as long sides. The long sides are connected to each other only by two end cross-members. The long sides may be formed as a longitudinal struts in adaptation to the transverse struts, so that the alternative embodiment then substitutes the receiving cage by a receiving frame.
Die Langseiten können auch flächig ausgebildet sein, wobei deren Oberkanten parallel zueinander verlaufen. Es können auch die Langseiten insgesamt zueinander flächenparallel ausgebildet sein. Die flächig ausgebildeten Langseiten und die Querstreben bilden dann einen Aufnahmekäfig mit zwei die Langseiten verbindenden Querstreben.The long sides can also be formed flat, with their upper edges parallel to each other. It can also be the entire length formed parallel to each other surface. The flat long sides and the cross struts then form a receiving cage with two cross struts connecting the long sides.
Die eine vorzugsweise als Querbügel ausgestaltete Querstrebe bildet das Widerlager für den geklemmten Leiter. An der anderen vorzugsweise als Querlasche ausgebildeten Querstrebe ist die Klemmfeder vorteilhaft fixiert. Die als Querbügel ausgestaltete Querstrebe wirkt in vorteilhafter Ausgestaltung mit einer Stromschiene zusammen. Die Stromschiene ist aus leitendem Material und ist im Bereich des Querbügels fest mit dem Aufnahmekäfig verbunden. Diese Ausführungsform ermöglicht eine materialmäßige Funktionstrennung und entsprechende Optimierung der konstruktiven Auslegung zwischen dem die Halte- und Federkräfte aufnehmen Aufnahmekäfig einerseits und der die elektrische Leitung realisierenden Stromschiene andererseits. Auf diese Weise ist die alternative Ausführungsform des Aufnahmekäfigs gegenüber der ersten Ausführungsform deutlich Material sparender. Bei der alternativen Ausführungsform ist der Aufnahmekäfig vorzugsweise als Stahlteil und die Stromschiene vorzugsweise als Kupferteil ausgestaltet.The one preferably designed as a cross bar cross strut forms the abutment for the clamped conductor. On the other preferably as a cross-strap Trained cross strut, the clamping spring is advantageously fixed. The configured as a cross bar cross strut cooperates in an advantageous embodiment with a busbar. The busbar is made of conductive material and is firmly connected to the receiving cage in the region of the crossbar. This embodiment allows a material separation of functions and appropriate optimization of the structural design between the holding and spring forces receive receiving cage on the one hand and the electric line realizing busbar on the other. In this way, the alternative embodiment of the receiving cage over the first embodiment is significantly more material-saving. In the alternative embodiment, the receiving cage is preferably designed as a steel part and the busbar preferably as a copper part.
Beide Ausgestaltungen ermöglichen es, auf der Stirnseite mindestens einer als Seitenwand dienenden Langseite, vorzugsweise auf beiden Seitenwänden, das Rastgesperre auszubilden. Zur Ausbildung des Rastgesperres ist dabei ein aus der Stirnseite der jeweiligen Seitenwand emporstehender Vorsprung vorgesehen. Dieser Vorsprung greift in eine komplementär zum Vorsprung ausgebildete Ausnehmung im Klemmschenkel. Auf diese Weise bilden die Ausnehmung und der Vorsprung einen Hintergriff aus. In der Hintergreifstellung der Ausnehmung am Vorsprung ist das Rastgesperre in seiner Sperrstellung und die Klemmfeder in ihrer Öffnungsstellung. Bei gelöstem Rastgesperre liegt der Klemmschenkel bei zwlschenliegendem Leiterende an der Anlagefläche für den geklemmten Leiter an.Both embodiments make it possible to form on the front side of at least one side wall serving as a long side, preferably on both side walls, the locking mechanism. To form the locking mechanism while a standing up from the front side of the respective side wall projection is provided. This projection engages in a recess formed complementary to the projection in the clamping leg. In this way, the recess and the projection form a rear grip. In the engagement position of the recess on the projection is the locking mechanism in its blocking position and the clamping spring in its open position. When dissolved Rastgesperre the clamping leg is at zwlscheliegendem conductor end of the contact surface for the clamped conductor.
Anhand des in den Zeichnungsfiguren dargestellten Ausführungsbeispiels ist die Erfindung mit weiteren Einzelheiten erläutert. Es zeigen:
- Fig. 1
- eine perspektivische Seitenansicht auf ein Isoliergehäuse mit einer Federklemme mit fortgelassener Vorderwand des Isoliergehäuses und mit dem Klemmschenkel der Klemmfeder in seiner Offnungsstellung, jedoch ohne eingeführten Leiter mit einer ersten Ausführungsform des Aufnahmekäfigs,
- Fig. 2
- die Federklemmstelle gemäß
Fig. 1 mit dem Klemmschenkel in seiner Klemmstellung, jedoch ohne eingeführten Leiter, - Fig. 3
- die Federklemmstelle mit eingeführtem Leiter und mit dem Klemmschenkel in seiner Klemmstellung,
- Fig. 4
- die Darstellung einer zweiten alternativen Ausführungsform des Aufnahmekäfigs ohne Isoliergehäuse,
- Fig. 5
- eine perspektivische Ansicht eines Schwenkhebels von vorne gesehen,
- Fig. 6
- eine Draufsicht auf den rechteckförmigen Aufnahmerahmen im Isoliergehäuse,
- Fig. 7
- eine geschnittene Ansicht durch Federklemmstelle mit dem Schwenkhebel in seiner Ruheposition,
- Fig. 8
- die Ansicht aus
Fig. 7 mit in Richtung auf den Klemmschenkel der - nicht dargestellten - Klemmfeder verschwenktem Schwenkhebel, - Fig. 9
- den vollständig in Richtung auf die - wiederum nicht dargestellte - Klemmfeder verschwenkten Schwenkhebel,
- Fig. 10
- eine Seitenansicht des Schwenkhebels mit angeformter Lasche,
- Fig. 11
- eine Seitenansicht der Federklemmstelle mit dem Schwenkhebel gemäß
Fig. 10 in seiner Öffnungsstellung bei ebenfalls in Öffnungsstellung befindlicher Klemmfeder, - Fig. 12
- die Darstellung der Federklemmstelle gemäß
Fig. 11 , jedoch mit Schwenkhebel und Klemmfeder in ihrer jeweiligen Klemmstellung, sowie - Fig. 13
- die Federklemmstelle gemäß
Fig. 12 mit einer eingeführten Schrauberklinge zur Rücksetzung der Klemmfeder und des Schwenkhebels in ihre Öffnungsstellung gemäßFig. 11 .
- Fig. 1
- a perspective side view of an insulating housing with a spring clip with the front wall of the insulating housing and with the clamping leg of the clamping spring in its open position, but without inserted conductor with a first embodiment of the receiving cage,
- Fig. 2
- the spring terminal according to
Fig. 1 with the clamping leg in its clamping position, but without inserted conductor, - Fig. 3
- the spring terminal point with inserted conductor and with the clamping leg in its clamping position,
- Fig. 4
- the representation of a second alternative embodiment of the receiving cage without insulating,
- Fig. 5
- a perspective view of a pivot lever seen from the front,
- Fig. 6
- a plan view of the rectangular receiving frame in the insulating housing,
- Fig. 7
- a sectional view by spring terminal with the pivot lever in its rest position,
- Fig. 8
- the view
Fig. 7 with in the direction of the clamping leg of the - not shown - clamping spring pivoted pivot lever, - Fig. 9
- the pivoting lever pivoted completely in the direction of the clamping spring (again not shown),
- Fig. 10
- a side view of the pivot lever with molded tab,
- Fig. 11
- a side view of the spring terminal with the pivot lever according to
Fig. 10 in its open position with clamping spring also in the open position, - Fig. 12
- the representation of the spring terminal according to
Fig. 11 , but with swivel lever and clamping spring in their respective clamping position, as well - Fig. 13
- the spring terminal according to
Fig. 12 with an inserted screwdriver blade for resetting the clamping spring and the pivot lever in its open position according toFig. 11 ,
Im Isoliergehäuse 1 ist der Aufnahmekäfig 2 für das abisolierte Leiterende 3 des Leiters 4 angeordnet. Der Aufnahmekäfig 2 ist in seiner ersten Ausführungsform seinerseits im Querschnitt rechteckförmig und weist zwei parallel verlaufende Langseiten 5,5' und zwei ebenfalls parallel zueinander und rechtwinklig zu den Langseiten 5,5' verlaufende Kurzseiten 6,6' auf. Die Innenfläche der in den Zeichnungsfiguren links dargestellten Kurzseite 6 dient als Anlagefläche für das Leiterende 3 des Leiters 4 am Aufnahmekäfig 2. Die der als Anlagefläche dienenden Kurzseite 6 gegenüberliegende, in den Zeichnungsfiguren rechts dargestellte Kurzseite 6', genauer gesagt die Innenfläche der rechts dargestellten Kurzseite 6', dient als Haltefläche zur Fixierung des Festschenkels 7 der Klemmfeder 8. Die Klemmfeder 8 ist an der Kurzseite 6' mittelbar fixiert. Zur mittelbaren Fixierung des Festschenkels 7 der Klemmfeder 8 dient ein Lagerungsblock 9. Der Lagerungsblock 9 ist winkelförmig ausgestaltet und weist seinerseits einen auf der Haltefläche der Kurzseite 6' fixierten Halteschenkel 10 sowie einen zum Halteschenkel 10 rechtwinklig verlaufenden Lagerschenkel 11 auf. Der Lagerschenkel 11 weist eine Lageröffnung auf, welche vom Festschenkel 7 der Klemmfeder 8 durchsetzt ist. Der Festschenkel 7 durchsetzt den Lagerschenkel 11 in dieser Öffnung und stützt sich mit seinem unteren freien Ende gegen die Außenseite der Kurzseite 6' ab.In the insulating housing 1, the receiving
Das Isoliergehäuse 1 weist ein Abstützelement 12 für die Klemmfeder 8 auf. Die im Wesentlichen U-förmige Klemmfeder 8 ist um das Abstützelement 12 herum angeordnet. Hierbei bildet der Festschenkel 7 den einen U-Schenkel und der Klemmschenkel 13 den zweiten U-Schenkel. Der Klemmschenkel 13 bewegt sich schwenkend von der Federkraft der Klemmfeder 8 getrieben in Richtung auf die Kurzseite 6 des Aufnahmekäfigs 2. In
Das Ausführungsbeispiel zeigt in den
Zur einfacheren und leichteren Bedienbarkeit des Leiteranschlusses steht aus dem Isoliergehäuse 1 neben dem Betätigungsende 18 des Schwenkhebels 17 ein Fortsatz 21 hinaus. Der Fortsatz 21 weist wiederum eine Griffmulde 19' auf. Die Griffmulde 19 am Schwenkhebel 17 und die Griffmulde 19' am Fortsatz 21 sind in der zur Leitereinführungsrichtung 16 rechtwinklig verlaufenden Querrichtung 22 einander abgewandt. Zur Betätigung des Schwenkhebels 17 werden der Daumen und ein weiterer Finger einer Hand in die Griffmulden19,19' eingelegt und sodann gegen die Querrichtung 22 aufeinander zu zusammengedrückt. Auf diese Weise verschwenkt das Betätigungsende 18 gegen die Querrichtung 22 in Richtung auf den Fortsatz 21, so dass die Druckbacke 20 den Klemmschenkel 13 beaufschlagt und so das Gesperre zwischen dem Klemmschenkel 13 und den vom Klemmschenkel 13 hintergriffenen Vorsprüngen 14,14' löst. Auf diese Weise kann der Klemmschenkel 13 aus seiner in
Zum Lösen der in
Aus den
Im Falle des Ausführungsbeispiels gemäß
Durch die abwechselnde Verwendung der Ausführungsform mit Kontaktpin 23 auf der linken Seite einerseits und mit Kontaktpin 23 auf der rechten Seite andererseits können Leiterplatten nach dem Prinzip des so genannten Z-Pinning bestückt werden. Hierbei werden jeweils eine Klemmstelle mit links unten angeordnetem Kontaktpin 23 und eine mit rechts unten angeordnetem Kontaktpin 23 nebeneinander angeordnet, um die Luft- und Kriechstrecken zwischen den Kontaktpins 23 zweier benachbarter Federklemmstellen zu maximieren.Due to the alternate use of the embodiment with
Die der Kurzseite 6 abgewandte Kurzseite 6' bei der ersten Ausführungsform des Aufnahmekäfigs ist von bei der zweiten Ausführungsform des Aufnahmekäfigs 2' einer den Querabstand zwischen den Langseiten 5,5' überbrückenden Querlasche 27 ersetzt. Der Aufnahmekäfig 2', also die Langseiten 5,5' sowie der Querbügel 26 und die Querlasche 27, bestehen aus einem stabilen Material, welches geeignet ist, die Klemmfeder 8 stabil zu lagern und die Federkräfte der Klemmfeder 8 aufzunehmen. Die Klemmfeder 8 ist wiederum mit Hilfe ihres Festschenkels 7 am Aufnahmekäfig 2' gelagert. Der Festschenkel 7 durchgreift hierfür mit seinem als Durchgriffsfortsatz 28 ausgestalteten Freiende die Querlasche 27 in einem aus der Querlasche 27 freigeschnittenen Lagerfenster 29.The
Im Bereich des Querbügels 26 ist eine aus leitendem Material, vorzugsweise aus Kupfer, bestehende Stromschiene 30 am Aufnahmekäfig 2' gelagert. Die Stromschiene 30 ist L-förmig ausgebildet. Der Vertikalschenkel 31 der Stromschiene 30 ist an seinem Schenkelfreiende 32 gekröpft und hintergreift so mit seinem Schenkelfreiende 32 den Querbügel 26 am Aufnahmekäfig 2'. Der Vertikalschenkel 31 weist eine In ihrer Eigenbreite schmale Zunge auf, welche mit dem Schenkelfreiende 32 endet sowie einen sich an diese Zunge anschließenden breiteren Basisbereich 33. Infolge der größeren Eigenbreite des Basisbereichs 33 bildet der Vertikalschenkel 31 im Übergangsbereich zwischen Zunge und Basisbereich 33 zwei seitliche Auflageschultern 34 aus. Die Auflageschultern 34 greifen in Aussparungen in den Langseiten 5 ein zur sicheren Verriegelung der Stromschiene 30 am Aufnahmekäfig 2'.In the region of the
Mit Abstand in Leitereinführungsrichtung 16 flankiert der zum Vertikalschenkel 31 rechtwinklig verlaufende Horizontalschenkel 35 der Stromschiene 30 den Aufnahmekäfig 2'. Aus dem dem Vertikalschenkel 31 abgewandten Ende des Horizontalschenkels 35 ist ein Kontaktpin 23 ausgebogen. Es kann in weitere Ausgestaltung ein -in
Aus der Darstellung der
Die zweite Ausführungsform des Aufnahmekäfigs 2' gemäß
Zur Arretierung des Klemmschenkels 13 der Klemmfeder 8 in seiner Öffnungsstellung stehen wiederum Vorsprünge 14,14' aus den Stirnseiten der beiden Langseiten 5,5' nach oben ab. In den Klemmschenkel 13 der Klemmfeder 8 sind wiederum zwei zu den Vorsprüngen 14,14' komplementär ausgebildete Ausnehmungen 15 eingeformt. Die Ausnehmungen 15 bilden wiederum mit den Vorsprüngen 14,14' einen Hintergriff.To lock the clamping
Das Verschwenken des Klemmschenkels 13 der Klemmfeder 8 aus der Öffnungsstellung in die Klemmstellung erfolgt in der gleichen Weise wie bei der ersten Ausführung des Aufnahmekäfigs 2.The pivoting of the clamping
In der Darstellung der
Zur Montage wird der Schwenkhebel 17 von oben her in den Aufnahmerahmen eingesetzt, so dass die Auflaufschrägen 38 entlang den Langseiten 41 über die Halteleisten 42 gleiten, bis die Halteleisten 42 in die ihnen zugeordneten kreissegmentförmigen Ausnehmungen 36 in den Schwenkhebelseitenwänden 37 eingreifen. In der Darstellung der
Der Schwenkhebel 17 kann zur Betätigung des Klemmschenkels 13 der Klemmfeder 8 zwischen den beiden in
Der in
Die in
Der Schwenkhebel 17 liegt in der in
Durch einen Druck mit dem Daumenballen auf die Riffelung 49 bei gleichzeitigem Druck mit dem Ballen des Zeigefingers und/oder Mittelfingers auf die Griffmulde 19' am Fortsatz 21 beaufschlagt die Druckbacke 20 den Klemmschenkel 13 der Klemmfeder 8 derart, dass er in seine Schließstellung überführt wird. Hierbei drückt der Klemmschenkel 13 der Klemmfeder 8 von unten her gegen die Druckbacke 20 und verändert so die Lage des Schwenkhebels 17 gegenüber dem Isoliergehäuse 1. Dabei federt die Lasche 47 gegenüber dem übrigen Körper des Schwenkhebels 17 in Querrichtung 22 deutlich aus und übergreift den sich an die Lasche 47 anschließenden Seitenwandbereich 50. Wie in der Darstellung der
Außerdem ist erkennbar, dass die den Spalt 48 auf der der Lasche 47 in Querrichtung 22 gegenüberliegenden Seite begrenzende Auflageleiste 51 des Schwenkhebels 17 den Oberrand der Seitenwand des Isoliergehäuses 1 übergreift. Der Schwenkhebel 17 stützt sich somit gleichsam mit Hilfe dieser Auflageleiste 51 auf dem oberen Rand des Isoliergehäuses 1 ab. Auch ist erkennbar, dass die Deckfläche des Schwenkhebels 17 im Bereich des Betätigungsendes 18 nicht mehr in Querrichtung 22 verläuft, sondern gegenüber der Querrichtung 22 verkippt ist. Diese verkippte Deckfläche und die den Seitenwandbereich 50 übergreifende Lasche 47 zeigen von außen deutlich, dass die Klemmfeder 8 bzw. der Klemmschenkel 13 in die Klemmstellung verfahren sind.In addition, it can be seen that the
Zum Öffnen der Klemmstelle wird neben dem Schwenkhebel 17 eine Schrauberklinge 52 in das Isoliergehäuse 1 eingeführt. Mit Hilfe der Schrauberklinge 52 wird der Klemmschenkel 13 der Klemmfeder 8 in seine Öffnungsstellung zurück verschwenkt, in welcher der Klemmschenkel 13 die Vorsprünge 14,14' am Aufnahmekäfig 2 formschlüssig hintergreift. Zugleich wird die Lasche 47 in ihre mit dem Seitenwandbereich 50 bündige Position zurück verfahren und auch die Deckfläche des Schwenkhebels 17 sowie dessen Betätigungsende 18 verläuft wieder in Querrichtung 22. Sowohl der Schwenkhebel 17 als auch die Klemmfeder 8 werden, so in ihre in
Claims (10)
- Spring clamping point to connect a conductor (4) to a spring clamp having a swivelling lever (17) that loads the clamping leg (13) of the clamping spring (8) and that is mounted so that it is able to swivel in the insulating housing (1) of the spring clamp,
characterised by• a right-angled mounting frame in the insulating housing (1) having two holding strips (42) on the long sides (41) that project in the direction of the swivelling lever (17),• a circle segment-shaped recess (36) in each of the two swivelling lever side walls (37) respectively, with which one of the holding strips (42) engages respectively in such a way that the edges (39) of the recesses (36) form limiting stops for the holding strips (42), between which the swivelling lever (17) is able to swivel back and forth,• a guide surface on a short side of the mounting frame as a sliding guide (46) for the front side of the swivelling lever (45) and• a longitudinal slit (40) between the swivelling lever side walls (37) such that the swivelling lever side walls (37) can be moved towards each other in the direction of the short sides of the mounting frame in a spring-like manner for the snap fixing of the swivelling lever (17) in the mounting frame. - Spring clamping point according to claim 1,
characterised by
a holding jaw (43) on the insulating housing (1) that engages with the rear side of the swivelling lever that is facing away from the front side of the swivelling lever (45). - Spring clamping point according to claim 1 or 2,
characterised by
an actuating end (18) of the swivelling lever (17) projecting from the insulating housing (1), and by an overhanging flap (47) at the actuating end (18). - Spring clamping point according to claim 3,
characterised in that
the flap (47) is mounted flexibly on the actuating end (18) of the swivelling lever (17) in the manner of a spring arm. - Spring clamping point according to one of claims 1 to 4,
characterised by
a pressure jaw (20) on the swivelling lever (17) loading the clamping leg (13) of the clamping spring (8), and by a grip indentation (19) on the actuating end (18) of the swivelling lever (17) facing away from the pressure jaw (20), and by an extension (21) lying opposite the actuating end (18) on the insulating housing (1), having a further grip indentation (19'), wherein both grip indentations (19, 19') are facing away from each other. - Spring clamping point according to one of claims 1 to 5,
characterised in that
the clamping leg (13) is fixed in an opening position in the case of an unclamped conductor (4) in the manner of a locking mechanism, and that the clamping leg (13) adjoins the clamped conductor (4) in a clamping position with its spring pressure. - Spring clamping point according to claim 6,
characterised by
a mounting cage (2) with closed side walls (5,5',6,6') as a clamping space, in particular a right-angled mounting cage (2) having two long sides (5,5') as clamping space side walls and two short sides (6,6'), of which one short side (6) forms an attachment surface for the clamped conductor (4) and whose other short side (6') forms a holding surface for the clamping spring (13). - Spring clamping point according to claim 7,
characterised by
a leg spring as a clamping spring (13) having a fixed leg (7) fixed to the holding surface of the mounting cage and a clamping leg (13) springing against the attachment surface. - Spring clamping point according to claim 6,
characterised in that
the mounting cage (2') has two long sides (5,5') as side walls on one side and two cross braces bridging the transverse distance between the long sides (5,5') on the other side, and that preferably the one cross brace is formed as a cross bar (26), that the other cross brace is formed as a cross flap (27), and that the clamping spring (8) is preferably mounted positively in a storage window (29) that passes through the cross flap (27). - Spring clamping point according to one of claims 7 to 9,
characterised by
at least one protrusion (14,14') that protrudes out of the front side of a side wall (5,5') and at least one recess (15) formed complementarily to the protrusion (14,14') in the clamping leg (13) for the formation of a tongue and groove.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012005465A DE102012005465B3 (en) | 2012-03-20 | 2012-03-20 | spring clip |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2642599A1 EP2642599A1 (en) | 2013-09-25 |
EP2642599B1 true EP2642599B1 (en) | 2014-05-28 |
Family
ID=47996967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13001324.6A Not-in-force EP2642599B1 (en) | 2012-03-20 | 2013-03-15 | Spring clamping point |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2642599B1 (en) |
DE (1) | DE102012005465B3 (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202013100635U1 (en) | 2013-02-13 | 2013-03-04 | Wago Verwaltungsgesellschaft Mbh | Spring terminal and connection terminal for electrical conductors |
ITRM20130725A1 (en) * | 2013-12-30 | 2015-07-01 | Bticino Spa | TERMINAL OF SPRING CONNECTION WITH DRIVE LEVER |
DE102014200271A1 (en) * | 2014-01-10 | 2015-07-16 | MCQ TECH GmbH | PCB terminal |
US9748708B2 (en) * | 2014-10-14 | 2017-08-29 | Honeywell International Inc. | Poke-in electrical connector |
US9735482B1 (en) | 2016-02-12 | 2017-08-15 | Honeywell International Inc. | Wall mountable connector with commonly used field wire terminals spaced from one another |
US9897339B2 (en) | 2016-02-12 | 2018-02-20 | Honeywell International Inc. | HVAC wall mountable connector with memory |
US9989273B2 (en) | 2016-02-12 | 2018-06-05 | Honeywell International Inc. | Wall covering plate for use with an HVAC controller |
US9667009B1 (en) | 2016-02-12 | 2017-05-30 | Honeywell International Inc. | HVAC wall mountable connector with movable door |
US10054326B2 (en) | 2016-02-12 | 2018-08-21 | Honeywell International Inc. | Wall mountable connector for an HVAC controller |
USD792789S1 (en) | 2016-02-12 | 2017-07-25 | Honeywell International Inc. | Thermostat housing |
US9960581B2 (en) | 2016-02-12 | 2018-05-01 | Honeywell International Inc. | Adapter plate with mounting features for a wall mountable connector |
US9774158B2 (en) | 2016-02-12 | 2017-09-26 | Honeywell International Inc. | Wall mountable connector with built in jumper functionality |
US10359790B2 (en) | 2016-02-12 | 2019-07-23 | Ademco Inc. | Multi piece HVAC controller housing with latches and guiding features |
US9735518B1 (en) | 2016-02-12 | 2017-08-15 | Honeywell International Inc. | Wall mountable connector terminal configuration |
US10208972B2 (en) | 2016-02-12 | 2019-02-19 | Ademco Inc. | Automatic detection of jumper switch position of a wall mount connector |
US9941183B2 (en) | 2016-02-12 | 2018-04-10 | Honeywell International Inc. | Wall mountable connector with wall covering plate |
US9768564B2 (en) | 2016-02-12 | 2017-09-19 | Honeywell International Inc. | HVAC wall mountable connector with mounting features |
US9686880B1 (en) | 2016-02-12 | 2017-06-20 | Honeywell International Inc. | Thermostat housing with pc board locating apertures |
USD794478S1 (en) | 2016-02-12 | 2017-08-15 | Honeywell International Inc. | Wall mountable connector |
US10895883B2 (en) | 2016-08-26 | 2021-01-19 | Ademco Inc. | HVAC controller with a temperature sensor mounted on a flex circuit |
DE102017103508B3 (en) | 2017-02-21 | 2018-06-07 | Wago Verwaltungsgesellschaft Mbh | Conductor terminal |
USD842713S1 (en) | 2017-07-10 | 2019-03-12 | Honeywell International Inc. | Thermostat |
US10024568B1 (en) | 2017-09-14 | 2018-07-17 | Honeywell International Inc. | Lock box for a building controller |
DE102019108023A1 (en) * | 2018-03-28 | 2019-10-02 | Wago Verwaltungsgesellschaft Mbh | Conductor connection terminal, clamping spring of a conductor connection terminal and terminal block |
DE102018109545A1 (en) * | 2018-04-20 | 2019-10-24 | Phoenix Contact Gmbh & Co. Kg | Spring terminal connection and conductor terminal |
US11837812B2 (en) | 2018-12-03 | 2023-12-05 | Connectwell Industries Pvt. Ltd. | Connecting terminal to produce an electric connection |
DE102019106434A1 (en) * | 2019-03-13 | 2020-09-17 | Wago Verwaltungsgesellschaft Mbh | Conductor connection terminal |
CN113675625B (en) * | 2020-05-15 | 2024-02-02 | 菲尼克斯亚太电气(南京)有限公司 | Compact wiring terminal |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3302372A1 (en) * | 1983-01-25 | 1984-07-26 | WAGO Verwaltungsgesellschaft mbH, 4950 Minden | Screwless terminal |
US5320558A (en) * | 1993-06-14 | 1994-06-14 | Supplie & Co. Import/Export Inc. | Quick connect and disconnect electrical terminal |
JP4527242B2 (en) * | 2000-05-26 | 2010-08-18 | Idec株式会社 | Connected device |
DE102004062850B3 (en) * | 2004-12-27 | 2006-06-14 | Siemens Ag | Terminal device especially protective circuit-breaker, has tilt-lever carried by bearing points along longitudinal axis |
DE102007050683B4 (en) * | 2007-10-22 | 2009-09-03 | Wago Verwaltungsgesellschaft Mbh | Conductor terminal |
ES2343096T3 (en) * | 2008-01-31 | 2010-07-22 | Bticino S.P.A. | ELECTRICAL CONNECTION DEVICE WITH CONTACTED SPRING ACTUATED FOR AN ARM WITH AN INPUT OPENING FOR THE END OF AN ELECTRIC CABLE. |
DE102008062137B4 (en) * | 2008-12-16 | 2011-06-09 | Wago Verwaltungsgesellschaft Mbh | Conductor terminal |
DE102010025930B4 (en) * | 2010-07-02 | 2019-10-17 | Phoenix Contact Gmbh & Co. Kg | terminal |
-
2012
- 2012-03-20 DE DE102012005465A patent/DE102012005465B3/en not_active Expired - Fee Related
-
2013
- 2013-03-15 EP EP13001324.6A patent/EP2642599B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
DE102012005465B3 (en) | 2013-05-08 |
EP2642599A1 (en) | 2013-09-25 |
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