EP2522052B1 - Spring terminal, in particular a front terminal - Google Patents

Spring terminal, in particular a front terminal Download PDF

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Publication number
EP2522052B1
EP2522052B1 EP10803075.0A EP10803075A EP2522052B1 EP 2522052 B1 EP2522052 B1 EP 2522052B1 EP 10803075 A EP10803075 A EP 10803075A EP 2522052 B1 EP2522052 B1 EP 2522052B1
Authority
EP
European Patent Office
Prior art keywords
conductor
contact part
housing part
spring
spring clip
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
Application number
EP10803075.0A
Other languages
German (de)
French (fr)
Other versions
EP2522052A1 (en
Inventor
Stephan Fehling
Constantin Classen
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface 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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP2522052A1 publication Critical patent/EP2522052A1/en
Application granted granted Critical
Publication of EP2522052B1 publication Critical patent/EP2522052B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—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
    • H01R4/4823—Multiblade 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4848—Busbar integrally formed with the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the present invention relates to a spring clip according to the preamble of claim 1, in particular front clamp, for connecting an electrical conductor with an electrical assembly, with a contact part and with a housing part, wherein the electrical conductor for connecting to the contact part in the housing part can be inserted, wherein the spring clip has an insertion opening for an actuating means, in particular a screwdriver.
  • an electrical conductor is usually pressed by means of a clamp body to a busbar and jammed.
  • a restoring force generated by a spring usually acts on the clamping body, which is adjustable for example by means of a screw, so that the clamping body when resetting the screw from the head is releasable again.
  • a spring clip with an adjustable by a screw clamp body for example, the document EP 0 836 242 B1 ,
  • spring terminals and spring terminals have in common that in addition to the conductor and the busbar a lot of space for components is needed, in particular for sprags and springs, which are uninvolved in the management of the current itself. Due to these components, the dimensions of the terminals are sometimes considerably increased. However, as electrical devices tend to become smaller and smaller, there is a significant need for miniaturized electrical connection elements.
  • connection elements In such small connection elements, the components are correspondingly small, so that their handling is difficult both in their manufacture and for the user when connecting a conductor.
  • a spring clip according to the preamble of claim 1 is made DE-A-19838008 known.
  • the object of the invention is therefore to provide a very space-saving electrical connection element, which allows the connection of a conductor with a few simple components and therefore easy to handle in terms of its use and also very easy and inexpensive to produce.
  • a spring terminal for connecting an electrical conductor to an electrical assembly, according to the independent claim 1, with a contact part and with a housing part, wherein the electrical conductor for connecting to the contact part in the housing part can be inserted, wherein the spring clamp has an insertion opening for an actuating means, in particular a screwdriver, wherein the contact part comprises a jaw, which by means of the actuating means of a sliding state in which the conductor is not jammed with the jaw, in a clamping state in which the conductor is clamped with the jaw, is adjustable, the jaw is energized.
  • the conductor can be arranged by means of the actuating means between the clamping jaws, so that the spring clip is adjustable by means of the conductor itself from the sliding state into the clamping state.
  • the distance of the clamping jaws from one another, in particular reversibly is variable.
  • the spring clamp is adjustable from the sliding state to the clamping state. The adjustment is preferably carried out by means of the actuating means.
  • the jaw is designed as a spring, in particular as a leaf spring.
  • the jaws are therefore stretched due to their spring properties and relaxed when returning, especially when removing the head. For the jamming of the conductor therefore no additional springs are needed, so that they are saved and the required space is very small.
  • the jaw is preferably reversible adjustable from the sliding state in the clamping state, so that the conductor from the spring clip is releasable again.
  • the spring clamp comprises an adjusting means, with which the actuating means cooperates.
  • the adjusting means is preferably provided on the housing part and allows the distance between the jaws mutually at least partially to change, so that by means of the adjusting means, the spring clip from the clamping state in the sliding state and back is adjustable.
  • the adjusting means is designed as a wedge.
  • a plurality of spring terminals are lined up, so that they form a terminal, in particular a series front terminal.
  • the contact part comprises two clamping jaws, between which the conductor can be clamped.
  • the housing part is fastened simultaneously to the contact part.
  • the conductor then acts as a fastening means between the housing part and the contact part, so that no further fastening means are needed.
  • the jaws are substantially V-shaped or substantially U-shaped arranged to each other, wherein the jamming of the conductor with the contact part is preferably a positive fit.
  • the actuating means is preferably provided at an angle or parallel to a direction of insertion of the conductor.
  • the insertion opening is provided on the housing part.
  • the insertion opening may be provided on the contact part.
  • the insertion opening is arranged on a pivot arm, which is in particular resiliently reset.
  • the swivel arm is rotatable about a rotation axis.
  • the actuating direction for the actuating means at an angle, in particular at right angles, to the insertion of the conductor in the spring clamp providable.
  • the housing part is not arranged in the sliding state at the contact part. Then, the contact part and the housing part are not mounted together in the production. An assembly during the manufacturing process is eliminated, so that the production of the spring clip is very inexpensive.
  • the housing part can be fastened to the contact part. Since the housing part is attached only by connecting the conductor in the contact part, also accounts for components or construction measures for the attachment of the contact part in the housing part. This eliminates the final assembly of the contact part of the housing part and the production of the spring clip very simple and very inexpensive possible.
  • the shape of the housing part is designed to correspond to the contact part, that an arranging the housing part on the contact part is possible, wherein in the contact part jammed conductor removal of the housing part from the contact part is no longer possible without loosening the conductor.
  • the spring clip comprises an insulating rail on which a guide pin for guiding the housing part is preferably arranged.
  • a stop means is arranged on the housing part, so that the housing part is displaceable on the contact part.
  • the stop means are provided so as to prevent the detachment of the housing part from the contact part.
  • the contact part is box-shaped.
  • the housing part is insertable into the contact part. This embodiment allows a very compact design of the spring clip according to the invention.
  • Fig. 1 shows a first embodiment of a spring clip 1 according to the invention, in a) a housing part 2 and a contact part 3 of the spring clip 1 separated from each other, wherein the contact part 3 is disposed on an electrical assembly 5, and in b) - e) arranging a housing part 2 of the spring clip 1 on the contact part 3 and a jamming of a conductor 4 with the contact part.
  • the spring clip 1 according to the invention comprises the housing part 2 and the contact part 3.
  • the contact part 3 is provided for connecting an electrical conductor 4 with an electrical assembly 5 and contacts the electrical assembly 5.
  • An electrical assembly 5 is for example a printed circuit board. In principle, however, another electrical component or another electrical assembly 5 can be connected to the spring clip. In the following, the terms electrical module 5 and printed circuit board are used synonymously.
  • the housing part 2 has an insertion opening 6, through which the conductor 4 in a plug-in direction 51 in the housing part 2 can be inserted. Furthermore, the housing part 2 has an insertion opening 7 for an actuating means 8, in which the actuating means 8 in an actuating direction 81 can be inserted.
  • the conductor 4 is not attached to the contact part 3. In this embodiment, the conductor 4 is also inserted in the sliding state through the insertion opening 6 in the housing part 2 and slidable in this.
  • the shape of the housing part 2 and the shape of the contact part 3 are designed to correspond to one another in such a way that the arrangement of the housing part 2 on the contact part 3 very easy with an actuating means 8 is possible.
  • the actuating means 8 is inserted in this embodiment through an insertion opening 7 in the housing part 2, and acts when arranging the housing part 2 on the contact part 3, and when clamping the conductor 4 with the contact part 3, with the housing part 2 together.
  • the actuating means 8 is guided during joining of the housing part 2 to the contact part 3 or when jamming the conductor 4 between the jaws 31, 32, 33, 34 at a right angle 85 to the insertion direction 51 of the conductor 4 in the spring clip 1, so that the Actuating direction 81 is arranged at right angles to the insertion direction 51.
  • the housing part 2 is arranged by means of the actuating means 8 on the contact part 3 in the sliding state V at inserted in the housing part 2 conductor 4, the conductor 4 between the jaws 31, 32, 33, 34 of the contact part 3 is clamped.
  • the spring clip 1 is then in a clamping state K.
  • the contact part 3 is provided both energized and for the clamping of an electrical conductor 4.
  • the contact part 3 here has four rod-shaped clamping jaws 31, 32, 33, 34, two of which are spaced apart from each other and are therefore arranged substantially U-shaped adjacent to each other.
  • the jaws 31, 32, 33, 34 therefore have a closed side 38, to which the adjacent jaws 31, 32, 33, 34 are connected to each other, and an open side 39.
  • the clamping jaws 31, 32, 33, 34 are preferably resilient.
  • the actuating means 8 is guided at a right angle 85 to the insertion direction 51 of the conductor 4, the jaws 31, 32, 33, 34 are pressed apart when jammed by the conductor 4 at its open side 39, so that the distance 10 between the two adjacent jaw pairs 31, 32, 33, 34 increases.
  • the spring clip 1 shown here is a series-stackable front clip.
  • the Fig. 1 a) - d) show the spring clip 1 in the sliding state V, in which the conductor 4 in the housing part 2 is displaceable.
  • the Fig. 1 e) shows the spring clip 1 in the clamping state K, in which the conductor 4 is jammed with the contact part 3 and this contacted.
  • Fig. 2 shows a second embodiment of a spring clip according to the invention 1. Again, the show Fig. 2 a) - c) arranging a housing part 2 of the spring clip 1 on the contact part 3 and the jamming of a conductor 4 with the contact part 3, wherein the spring clip 1 in a) and b) in the sliding state V, and in c) in the clamping state K is shown.
  • the Fig. 2 d) shows several spring terminals 1 as series front terminals in the clamping state K.
  • This embodiment differs from the embodiment of FIG Fig. 1 in that between the printed circuit board 5 and the contact part 3, an insulating rail 9 is provided.
  • the insulating rail 9 has a connecting means 93, with which the contact part 3 can be fastened to the insulating rail 9.
  • a connecting means 93 a recess is provided here, in which a arranged on the contact part 3 molding (not shown here) is inserted by clamping.
  • the insulating rail 9 guide pins 91, 92 which engage in the clamping state K of the spring clip 1 in recesses 21, 22 of the housing part 2.
  • the position of the guide pins 91, 92 and recesses 21, 22 is adaptable to the case of need and here in the Fig. 2 a) - b) and Fig. 2c) - d) different.
  • Fig. 3 shows a third embodiment of a spring clip 1 according to the invention, in a) the housing part 2 and the contact part 3 separated from each other, and in b) - d) arranging a housing part 2 on the contact part 3 and the insertion of the conductor 4 in the housing part 2 and the jamming of the conductor 4 with the contact part.
  • the Fig. 3 b) - c) show the spring clip 1 in the sliding state V, in which the conductor 4 in the housing part 2 slidably and not jammed between the jaws 31, 32, the Fig. 3 d) in the clamping state K, in which the conductor 4 is clamped between the jaws 31, 32 and the contact part 3 therefore contacted.
  • the shape of the housing part 2 and the shape of the contact part 3 are designed to correspond to each other so that the arrangement of the housing part 2 on the contact part 3, in particular with the actuating means, is possible.
  • Fig. 3 illustrated embodiment of the contact part 3, only two jaws 31, 32, which are arranged substantially V-shaped to each other, and which are designed as springs, here as leaf springs.
  • the terms jaw 31, 32 and leaf spring are used synonymously.
  • the leaf springs 31, 32 are spaced apart on their open side 38 and preferably abut one another on their closed side 39.
  • the distance 10 of the leaf springs 31, 32 at its closed side 39 from each other must first be increased. Then, the conductor 4 is placed between the leaf springs 31, 32 and then the distance 10 is reduced again until the leaf springs 31, 32 abut the conductor 4 and jam it. Starting from the initially in the sliding state V abutting leaf springs 31, 32, the distance 10 of Leaf springs 31, 32 in the clamping state K, in which the conductor 4 is arranged between them, increases.
  • the embodiment has the particular advantage that the conductor 4 by expanding the distance 10 between the leaf springs 31, 32 to each other from the spring clip 1 is removed again, and that due to the restoring forces of the leaf springs 31, 32 no deformations occur, so that the Spring clip 1 is reusable.
  • the housing part 2 has an adjusting means 25, here in the form of a wedge, which can be inserted by means of the actuating means 8 between the leaf springs 31, 32.
  • the insertion opening 7 for the actuating means 8 is provided on a particular resilient pivot arm 27 so that the actuating means 8 is actuated in the operating direction 81 at a right angle 85 to the insertion direction 51, wherein the adjusting means 25 on the closed side 39 between the leaf springs 31, 32 is introduced.
  • the insertion opening 7 for the actuating means 8 is provided here on the adjusting means 25.
  • the embodiments of the Fig. 4-9 show spring terminals 1 with contact parts 3, each having two clamping jaws 31, 32 are V-shaped arranged leaf springs. And also in these embodiments, respectively adjusting means 25, 35, 36 are provided to increase the distance of the leaf springs 31, 32 from each other, starting from the sliding state V, first to insert the conductor 4, and then to reduce, until the conductor 4 in the clamping state K between the leaf springs 31, 32 is jammed.
  • the spring clips 1 of Fig. 4-7 and 9 provided so that the actuating means 8 and the conductor 4 during insertion and jamming of the conductor 4 between the leaf springs 31, 32 are arranged approximately parallel to each other.
  • Fig. 4 is for each an adjusting means 35, 36 provided on each leaf spring 31, 32, wherein the adjusting means 35, 36 are each wedge-shaped and arranged to each other so that the actuating means 8 between the adjusting means 35, 36 is inserted and on the closed side 39 the distance 10 between the leaf springs 31, 32 thereby increases.
  • Fig. 4 a) - e) is shown starting from arranging the housing part 2 on the contact part 3 starting the connection of the conductor 4 to the spring terminal 1.
  • the Fig. 4 a) shows the housing part 2 and the contact part 3 separated from each other.
  • the Fig. 4b) - e) show the spring clip 1 in the shift state V.
  • the Fig. 4 f) shows the spring clip 1 in the clamping state K.
  • the spring clip 1 of Fig. 4 has the advantage that the arrangement of the spring clip 1 on the electrical assembly 5 in both an orientation parallel to a plug 51 of the conductor 4 in the housing part 2 is possible, as well as in an orientation transverse to the insertion 51st
  • Fig. 4g shows the arrangement of the spring clip 1 to a circuit board 5, which is arranged transversely to the insertion direction 51 of the conductor 4.
  • a wedge-shaped adjusting means 25 is arranged on the housing part 2.
  • the Fig. 5 a) shows the housing part 2 and the contact part 3 of the spring clip 1 separated from each other, wherein the Fig. 5b) - f) show the spring clip 1 in the sliding state V, and the Fig. 5g) the spring terminal 1 in the clamping state K shows.
  • the actuating direction 81 for the actuating means 8 is provided here parallel to the insertion direction 51 of the conductor 4, so that the adjusting means 25 is guided in the actuating direction 81 from the open side 38 between the leaf springs 31, 32, until pressed apart on its closed side 39 be and the conductor 4 between the leaf springs 31, 32 can be inserted.
  • the adjusting means 25 is preferably provided resiliently, so that it is also opposite to the actuating direction 81 when retracting the actuating means 8 counter to the actuating direction 81. In this case, the leaf springs 31, 32 are reset until they rest against the conductor 4 and jam it.
  • a rotatable wedge which is arranged on the housing part 2 and has an approximately oval cross section, as adjusting means 25 between the leaf springs 31, 32 placed.
  • the leaf springs 31, 32 have for this purpose on their closed side 39 in each case an Anformung 312, 322, between which the adjusting means 25 is arranged. Therefore, the distance 10 between the leaf springs 31, 32 on its closed side 39 is increased by the adjusting means 25 is rotated. Again, the rotation takes place by means of the actuating means 8, which is inserted parallel to the insertion direction 51 of the conductor 4 in the insertion opening. And here, after inserting the conductor 4 between the leaf springs 31, 32 by turning back the adjusting means 25, the leaf springs 31, 32 are reset until they rest against the conductor 4 and jam it.
  • the Fig. 6 shows the spring clip 1 for a conductor 4, wherein Fig. 6 a) the housing part 2 and the contact part 3 of the spring clip 1 separated from each other, wherein the Fig. 6b) - d) the spring clip 1 show the adjustment state V, and wherein the Fig. 6 e) the spring terminal 1 in the clamping state K shows.
  • Fig. 7 shows an embodiment of the spring clip 1 for two conductors 4, wherein in each case two leaf springs 31, 32, 33, 34 are provided in a v-shape adjacent to each other for each of the conductors 4, and wherein here only one adjusting means 25 for changing the distance 10 of the closed Side 39 of the leaf springs 31, 32, 33, 34 is provided from each other on the housing part 2. Therefore, the distance 10 of the leaf springs 31, 32, 33, 34 from each other for both conductors 4 here simultaneously adjustable.
  • the Fig. 7 a) shows the spring clip 1 in the clamped state K.
  • the Fig. 7b) the spring clip 1 in the sliding state V, so that here the release of the conductor 4 from the spring clip 1 is visible.
  • Fig. 8 shows an exemplary spring clip, in a) with the arranged on the contact part 3 housing part 2 and in b) without the housing part. 2
  • a wedge-shaped adjusting means 35 is arranged on a pivotable pivot arm 37 of the contact part 3.
  • the pivot arm 37 is provided by means of a hinge 371 on the contact part 3 and pivotable about an axis of rotation 372.
  • the insertion opening 7 has the actuating part 8, which opens the contact part 3 when actuated.
  • the leaf springs 31, 32 are analogous to the embodiment of the Fig. 3 V-shaped adjacent provided, and have the open side 38 and the closed side 39, wherein they are spaced apart in the sliding state V at the open side 38 and abut against each other at the closed side 39.
  • the conductor 4 is guided from the open side 38 between the leaf springs 31, 32 until it is arranged on the closed side 39 between the leaf springs 31, 32.
  • the pivot arm 37 is preferably provided so resiliently that it swings back when returning the actuating means 8 against the actuating direction 8. Characterized the leaf springs 31, 32 are also returned to its closed end 39, so that their distance is reduced again until the leaf springs 31, 32 abut the conductor 4 and jam it.
  • Fig. 9 shows an eighth embodiment of a spring clip 1 according to the invention, in a) the housing part 2 and the contact part 3 separated from each other, in b) - g) arranging the housing part 2 of the spring clip 1 to the contact part 3, the insertion of the conductor 4 in the Housing part 2, and the jamming of the conductor 4 with the contact part 3, and in h) - i) the spring clip 1 as a row front terminal in a different orientation to an electrical assembly. 5
  • the contact part 3 of the spring clip 1 is here box-shaped and therefore has four substantially mutually perpendicular box walls 331, 332, 333, 334.
  • two clamping jaws 31, 32 are provided, which are arranged in a V-shape relative to one another, wherein the clamping jaws 31, 32 point at the closed side 39 into the interior of the contact part 3.
  • the contact part 3 also has two contact feet 351, 352, which are bent outward from a box wall 334.
  • the housing part 2 can be inserted into the interior of the contact part 3 with a first end 23 which can be inserted into the contact part 3. It has a second, not in the contact part 3 insertable end 24, on which the insertion opening 6 for the conductor 4 and the insertion opening 7 are arranged for the actuating means 8.
  • the insertion opening 7 and the insertion opening 6 are arranged to each other so that the actuating means 8 in an operating direction 81 parallel to the insertion direction 51 of the conductor 4 is actuated.
  • the conductor 4 is guided from the open side 38 of the contact part 3 between the clamping jaws 31, 32.
  • the housing part 2 has adjusting means 25, which are introduced during actuation of the actuating means 8 in the actuating direction 81 between the clamping jaws 31, 32. As a result, the clamping jaws 31, 32 are pressed apart on their closed side 39, so that the conductor 4 can be introduced between the clamping jaws 31, 32.
  • end stop means 28 are arranged on the housing part 2.
  • the housing part 2 is therefore after insertion into the contact part 3 against the operating direction 81 only so far from the contact part 3 pulled out until the stop means 28 abut the contact part 3. Since the housing part 2 is fixed by means of the stop means 28 on the contact part 3, it is not automatically detachable from the contact part 3 when moving counter to the actuating direction 81.
  • a second insulating housing part 100 is provided around the contact part 3.
  • a screwdriver is advantageously used in all embodiments.
  • the housing part 2 is preferably made of an insulating material, in particular of a plastic.
  • the contact part 3 is made of a conductive material, in particular of a metal or of a metal alloy.
  • the resiliently formed clamping jaws 31, 32, 33, 34 are preferably made of a metal with good recovery properties educated. In addition, since the jaws 31, 32, 33, 34 are live, the preferred material has good conductive properties at the same time.
  • the spring clip according to the invention can be produced in miniaturized dimensions.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Description

Die vorliegende Erfindung betrifft eine Federklemme gemäss dem Oberbegriff des Anspruchs 1, insbesondere Frontklemme, zum Verbinden eines elektrischen Leiters mit einer elektrischen Baugruppe, mit einem Kontaktteil und mit einem Gehäuseteil, wobei der elektrische Leiter zum Verbinden mit dem Kontaktteil in das Gehäuseteil einsteckbar ist, wobei die Federklemme eine Einführöffnung für ein Betätigungsmittel, insbesondere einen Schraubendreher, aufweist.The present invention relates to a spring clip according to the preamble of claim 1, in particular front clamp, for connecting an electrical conductor with an electrical assembly, with a contact part and with a housing part, wherein the electrical conductor for connecting to the contact part in the housing part can be inserted, wherein the spring clip has an insertion opening for an actuating means, in particular a screwdriver.

Bei Federklemmen wird ein elektrischer Leiter zumeist mittels eines Klemmkörpers an eine Stromschiene gedrückt und verklemmt. Dabei wirkt zumeist eine mittels einer Feder erzeugte Rückstellkraft auf den Klemmkörper, der beispielsweise mittels einer Schraube verstellbar ist, so dass der Klemmkörper beim Rückstellen der Schraube vom Leiter wieder lösbar ist. Eine solche Federklemme mit einem durch eine Schraube verstellbaren Klemmkörper zeigt beispielsweise die Druckschrift EP 0 836 242 B1 .In spring terminals, an electrical conductor is usually pressed by means of a clamp body to a busbar and jammed. In this case, a restoring force generated by a spring usually acts on the clamping body, which is adjustable for example by means of a screw, so that the clamping body when resetting the screw from the head is releasable again. Such a spring clip with an adjustable by a screw clamp body, for example, the document EP 0 836 242 B1 ,

Bei Federkraftklemmen wird der Leiter hingegen mittels einer Schenkelfeder gegen ein elektrisch leitendes Widerlager gepresst. Eine solche Federkraftklemme zeigt beispielsweise die Druckschrift DE 20 2005 018 168 U .In spring-loaded terminals, however, the conductor is pressed by means of a leg spring against an electrically conductive abutment. Such a spring clamp shows, for example, the publication DE 20 2005 018 168 U ,

Den oben aufgeführten Federklemmen und Federkraftklemmen ist gemein, dass neben dem Leiter und der Stromschiene viel Bauraum für Bauteile benötigt wird, insbesondere für Klemmkörper und -Federn, die an der Leitung des Stromes selbst unbeteiligt sind. Durch diese Bauteile sind die Ausmaße der Klemmen zum Teil erheblich vergrößert. Da elektrische Geräte tendenziell immer kleiner hergestellt werden, besteht jedoch ein erheblicher Bedarf an elektrischen Anschlusselementen mit miniaturisierten Ausmaßen.The above-mentioned spring terminals and spring terminals have in common that in addition to the conductor and the busbar a lot of space for components is needed, in particular for sprags and springs, which are uninvolved in the management of the current itself. Due to these components, the dimensions of the terminals are sometimes considerably increased. However, as electrical devices tend to become smaller and smaller, there is a significant need for miniaturized electrical connection elements.

Bei solch kleinen Anschlusselementen sind die Bauteile entsprechend klein, so dass ihre Handhabbarkeit schwierig ist sowohl bei ihrer Herstellung als auch für den Anwender beim Anschluss eines Leiters.In such small connection elements, the components are correspondingly small, so that their handling is difficult both in their manufacture and for the user when connecting a conductor.

Eine Federklemme gemäss dem Oberbegriff des Anspruchs 1 ist aus DE-A-19838008 bekannt.A spring clip according to the preamble of claim 1 is made DE-A-19838008 known.

Aufgabe der Erfindung ist es daher, ein sehr platzsparendes elektrisches Anschlusselement zu schaffen, das den Anschluss eines Leiters mit wenigen einfachen Bauteilen ermöglicht und daher in Bezug auf seine Nutzung leicht handhabbar und außerdem sehr einfach und kostengünstig herstellbar ist.The object of the invention is therefore to provide a very space-saving electrical connection element, which allows the connection of a conductor with a few simple components and therefore easy to handle in terms of its use and also very easy and inexpensive to produce.

Die Aufgabe wird gelöst mit einer Federklemme, insbesondere Frontklemme, zum Verbinden eines elektrischen Leiters mit einer elektrischen Baugruppe, gemäss dem unabhängigen Anspruch 1, mit einem Kontaktteil und mit einem Gehäuseteil, wobei der elektrische Leiter zum Verbinden mit dem Kontaktteil in das Gehäuseteil einsteckbar ist, wobei die Federklemme eine Einführöffnung für ein Betätigungsmittel, insbesondere einen Schraubendreher, aufweist, wobei das Kontaktteil, eine Klemmbacke umfasst, die mittels des Betätigungsmittels von einem Verschiebezustand, in dem der Leiter nicht mit der Klemmbacke verklemmt ist, in einen Klemmzustand, in dem der Leiter mit der Klemmbacke verklemmt ist, verstellbar ist, wobei die Klemmbacke stromführend ist.The object is achieved with a spring terminal, in particular front terminal, for connecting an electrical conductor to an electrical assembly, according to the independent claim 1, with a contact part and with a housing part, wherein the electrical conductor for connecting to the contact part in the housing part can be inserted, wherein the spring clamp has an insertion opening for an actuating means, in particular a screwdriver, wherein the contact part comprises a jaw, which by means of the actuating means of a sliding state in which the conductor is not jammed with the jaw, in a clamping state in which the conductor is clamped with the jaw, is adjustable, the jaw is energized.

Da das zum Verbinden des Leiters mit der elektrischen Baugruppe vorgesehene und daher stromführende Kontaktteil erfindungsgemäß selbst zum Verklemmen des Leiters verwendet wird, werden für das Verklemmen des Leiters keine Klemmkörper benötigt. Dadurch werden diese Bauteile und der für diese Bauteile benötigte Bauraum eingespart, so dass die Federklemme vergleichsweise weniger Bauraum einnimmt und insgesamt mit sehr kleinen Ausmaßen herstellbar ist. Außerdem ist die Bauteilezahl der erfindungsgemäßen Federklemme minimiert, so dass die Lagerhaltung kostengünstig ist.Since the intended for connecting the conductor to the electrical assembly and therefore current-carrying contact according to the invention is used even for jamming of the conductor, no clamp body are required for the jamming of the conductor. As a result, these components and the space required for these components space can be saved, so that the spring clamp occupies comparatively less space and can be produced in total with very small dimensions. In addition, the number of components of the spring clip according to the invention is minimized, so that the storage is inexpensive.

Gemäss der Erfindung ist der Leiter mittels des Betätigungsmittels zwischen die Klemmbacken anordbar, so dass die Federklemme mittels des Leiters selbst vom Verschiebezustand in den Klemmzustand verstellbar ist. In einer weiteren bevorzugten Ausführungsform ist der Abstand der Klemmbacken zueinander, insbesondere reversibel, veränderbar. Dadurch ist die Federklemme vom Verschiebezustand in den Klemmzustand verstellbar. Das Verstellen erfolgt bevorzugt mittels des Betätigungsmittels.According to the invention, the conductor can be arranged by means of the actuating means between the clamping jaws, so that the spring clip is adjustable by means of the conductor itself from the sliding state into the clamping state. In a further preferred embodiment, the distance of the clamping jaws from one another, in particular reversibly, is variable. As a result, the spring clamp is adjustable from the sliding state to the clamping state. The adjustment is preferably carried out by means of the actuating means.

Bevorzugt ist die Klemmbacke als Feder ausgebildet, insbesondere als Blattfeder. Bei einem Verstellen des Kontaktteils, insbesondere beim Verklemmen des Leiters, werden die Klemmbacken daher aufgrund ihrer Federeigenschaften gespannt und beim Zurückstellen, insbesondere beim Entfernen des Leiters, entspannt. Für das Verklemmen des Leiters werden daher keine zusätzlichen Federn benötigt, so dass auch diese eingespart werden und der benötigte Bauraum sehr klein ist.Preferably, the jaw is designed as a spring, in particular as a leaf spring. In an adjustment of the contact part, in particular when jamming the conductor, the jaws are therefore stretched due to their spring properties and relaxed when returning, especially when removing the head. For the jamming of the conductor therefore no additional springs are needed, so that they are saved and the required space is very small.

Die Klemmbacke ist bevorzugt reversibel vom Verschiebezustand in den Klemmzustand verstellbar, so dass der Leiter aus der Federklemme wieder lösbar ist.The jaw is preferably reversible adjustable from the sliding state in the clamping state, so that the conductor from the spring clip is releasable again.

Gemäss der Erfindung umfasst die Federklemme ein Verstellmittel, mit dem das Betätigungsmittel zusammenwirkt. Das Verstellmittel ist bevorzugt am Gehäuseteil vorgesehen und ermöglicht den Abstand der Klemmbacken zueinander zumindest teilweise zu verändern, so dass mittels des Verstellmittels die Federklemme vom Klemmzustand in den Verschiebezustand und zurück verstellbar ist. Mithilfe des Betätigungsmittels ist somit auch bei sehr kleinen Ausführungsformen der Federklemmen ein Anschließen des Leiters sehr einfach möglich. Das Verstellmittel ist als Keil ausgebildet.According to the invention, the spring clamp comprises an adjusting means, with which the actuating means cooperates. The adjusting means is preferably provided on the housing part and allows the distance between the jaws mutually at least partially to change, so that by means of the adjusting means, the spring clip from the clamping state in the sliding state and back is adjustable. By means of the actuating means is thus very easy to connect the conductor even in very small embodiments of the spring terminals. The adjusting means is designed as a wedge.

Bevorzugt sind mehrere Federklemmen aneinanderreihbar, so dass sie eine Reihenklemme, insbesondere eine Reihenfrontklemme, bilden.Preferably, a plurality of spring terminals are lined up, so that they form a terminal, in particular a series front terminal.

Gemäss der Erfindung umfasst das Kontaktteil zwei Klemmbacken, zwischen denen der Leiter verklemmbar ist. Bevorzugt wird durch das Verklemmen des Leiters zwischen die Klemmbacken das Gehäuseteil gleichzeitig an dem Kontaktteil befestigt. Der Leiter wirkt dann als Befestigungsmittel zwischen dem Gehäuseteil und dem Kontaktteil, so dass keine weiteren Befestigungsmittel benötigt werden. Vorzugsweise sind die Klemmbacken im Wesentlichen v-förmig oder im Wesentlichen u-förmig zueinander angeordnet, wobei das Verklemmen des Leiters mit dem Kontaktteil bevorzugt formschlüssig erfolgt.According to the invention, the contact part comprises two clamping jaws, between which the conductor can be clamped. Preferably, by clamping the conductor between the jaws, the housing part is fastened simultaneously to the contact part. The conductor then acts as a fastening means between the housing part and the contact part, so that no further fastening means are needed. Preferably, the jaws are substantially V-shaped or substantially U-shaped arranged to each other, wherein the jamming of the conductor with the contact part is preferably a positive fit.

Das Betätigungsmittel ist vorzugsweise in einem Winkel oder parallel zu einer Einsteckrichtung des Leiters vorgesehen.The actuating means is preferably provided at an angle or parallel to a direction of insertion of the conductor.

Gemäss der Erfindung ist die Einführöffnung am Gehäuseteil vorgesehen. Alternativ kann die Einführöffnung am Kontaktteil vorgesehen sein. Weiterhin bevorzugt ist die Einführöffnung an einem Schwenkarm angeordnet, der insbesondere federnd zurückstellbar ist. In einer bevorzugten Ausführungsform ist der Schwenkarm um eine Drehachse drehbar. In dieser Ausführungsform ist die Betätigungsrichtung für das Betätigungsmittel in einem Winkel, insbesondere im rechten Winkel, zur Einstecköffnung des Leiters in die Federklemme vorsehbar.According to the invention, the insertion opening is provided on the housing part. Alternatively, the insertion opening may be provided on the contact part. Further preferably, the insertion opening is arranged on a pivot arm, which is in particular resiliently reset. In a preferred embodiment, the swivel arm is rotatable about a rotation axis. In this embodiment, the actuating direction for the actuating means at an angle, in particular at right angles, to the insertion of the conductor in the spring clamp providable.

In einer bevorzugten Ausführungsform ist das Gehäuseteil im Verschiebezustand nicht am Kontaktteil angeordnet. Dann werden das Kontaktteil und das Gehäuseteil im Rahmen der Herstellung nicht aneinander montiert. Eine Montage während des Herstellungsprozesses entfällt, so dass die Herstellung der Federklemme sehr kostengünstig möglich ist.In a preferred embodiment, the housing part is not arranged in the sliding state at the contact part. Then, the contact part and the housing part are not mounted together in the production. An assembly during the manufacturing process is eliminated, so that the production of the spring clip is very inexpensive.

Besonders bevorzugt ist durch ein Verklemmen des elektrischen Leiters mit dem Kontaktteil das Gehäuseteil an dem Kontaktteil befestigbar. Da das Gehäuseteil erst durch Anschluss des Leiters im Kontaktteil befestigt wird, entfallen außerdem Bauteile oder Baumaßnahmen für die Befestigung des Kontaktteils im Gehäuseteil. Dadurch entfällt die Endmontage des Kontaktteils an das Gehäuseteil und die Herstellung der Federklemme sehr einfach und sehr kostengünstig möglich.Particularly preferably, by clamping the electrical conductor to the contact part, the housing part can be fastened to the contact part. Since the housing part is attached only by connecting the conductor in the contact part, also accounts for components or construction measures for the attachment of the contact part in the housing part. This eliminates the final assembly of the contact part of the housing part and the production of the spring clip very simple and very inexpensive possible.

Bevorzugt ist die Form des Gehäuseteils so korrespondierend zum Kontaktteil ausgeführt, dass ein Anordnen des Gehäuseteils an dem Kontaktteil möglich ist, wobei bei am Kontaktteil verklemmtem Leiter ein Abnehmen des Gehäuseteils vom Kontaktteil nicht mehr ohne Lösen des Leiters möglich ist.Preferably, the shape of the housing part is designed to correspond to the contact part, that an arranging the housing part on the contact part is possible, wherein in the contact part jammed conductor removal of the housing part from the contact part is no longer possible without loosening the conductor.

In einer weiteren bevorzugten Ausführungsform umfasst die Federklemme eine Isolationsschiene, an der bevorzugt ein Führungszapfen zum Führen des Gehäuseteils angeordnet ist. Dadurch ist die Positionierung des Gehäuseteils am Kontaktteil vereinfacht.In a further preferred embodiment, the spring clip comprises an insulating rail on which a guide pin for guiding the housing part is preferably arranged. As a result, the positioning of the housing part is simplified at the contact part.

In einer ebenfalls bevorzugten Ausführungsform ist am Gehäuseteil ein Anschlagmittel angeordnet, so dass das Gehäuseteil am Kontaktteil verschiebbar ist. Besonders bevorzugt sind die Anschlagmittel so vorgesehen, dass sie das Lösen des Gehäuseteils vom Kontaktteil verhindern.In a likewise preferred embodiment, a stop means is arranged on the housing part, so that the housing part is displaceable on the contact part. Particularly preferably, the stop means are provided so as to prevent the detachment of the housing part from the contact part.

In einer weiteren bevorzugten Ausführungsform ist das Kontaktteil kastenförmig ausgebildet. Besonders bevorzugt ist das Gehäuseteil in das Kontaktteil einführbar. Diese Ausführungsform ermöglicht eine sehr kompakte Bauweise der erfindungsgemäßen Federklemme.In a further preferred embodiment, the contact part is box-shaped. Particularly preferably, the housing part is insertable into the contact part. This embodiment allows a very compact design of the spring clip according to the invention.

Im Folgenden wird die Erfindung anhand von Figuren beschrieben. Die Figuren sind lediglich beispielhaft und schränken den allgemeinen Erfindungsgedanken nicht ein.

Fig. 1
zeigt eine erste Ausführungsform einer erfindungsgemäßen Federklemme, und zwar in a) ein Gehäuseteil und ein Kontaktteil der Federklemme getrennt voneinander, wobei das Kontaktteil an einer elektrischen Baugruppe angeordnet ist, und in b) - e) ein Anordnen eines Gehäuseteils an das Kontaktteil sowie ein Verklemmen eines Leiters mit dem Kontaktteil,
Fig. 2
zeigt eine zweite Ausführungsform einer erfindungsgemäßen Federklemme, wobei die Fig. 2 a) - c) das Anordnen eines Gehäuseteils der Federklemme am Kontaktteil sowie das Verklemmen des Leiters mit dem Kontaktteil zeigen, und wobei die Fig. 2 d) die Verwendung einer Vielzahl der Federklemmen als Reihenfrontklemme zeigt,
Fig. 3
zeigt eine dritte Ausführungsform einer erfindungsgemäßen Federklemme, und zwar in a) das Gehäuseteil und das Kontaktteil getrennt voneinander, und in b) - d) das Anordnen des Gehäuseteils der Federklemme an das Kontaktteil, das Einstecken des Leiters in das Gehäuseteil, und das Verklemmen des Leiters mit dem Kontaktteil,
Fig. 4
zeigt eine vierte Ausführungsform einer erfindungsgemäßen Federklemme, und zwar in a) das Gehäuseteil und das Kontaktteil getrennt voneinander, in b) - f) das Anordnen des Gehäuseteils der Federklemme an das Kontaktteil, das Einstecken des Leiters in das Gehäuseteil, und das Verklemmen des Leiters mit dem Kontaktteil, und in g) eine andere Ausrichtung der Federklemme zur elektrischen Baugruppe,
Fig. 5
zeigt eine fünfte Ausführungsform einer erfindungsgemäßen Federklemme, und zwar in a) das Gehäuseteil und das Kontaktteil getrennt voneinander, und in b) - g) das Anordnen des Gehäuseteils der Federklemme an das Kontaktteil, das Einstecken des Leiters in das Gehäuseteil, und das Verklemmen des Leiters mit dem Kontaktteil,
Fig. 6
zeigt eine sechste Ausführungsform einer erfindungsgemäßen Federklemme, und zwar in a) das Gehäuseteil und das Kontaktteil getrennt voneinander, und in b) - e) das Anordnen des Gehäuseteils der Federklemme an das Kontaktteil, das Einstecken des Leiters in das Gehäuseteil, und das Verklemmen des Leiters mit dem Kontaktteil,
Fig. 7
zeigt eine siebte Ausführungsform einer erfindungsgemäßen Federklemme, und zwar in a) die Federklemme im Klemmzustand und in b) im Verschiebezustand,
Fig. 8
zeigt eine exemplarische Federklemme, und zwar in a) mit dem am Kontaktteil angeordneten Gehäuseteil und in b) ohne das Gehäuseteil, und
Fig. 9
zeigt eine achte Ausführungsform einer erfindungsgemäßen Federklemme, und zwar in a) das Gehäuseteil und das Kontaktteil getrennt voneinander, in b) - g) das Anordnen des Gehäuseteils der Federklemme an das Kontaktteil, das Einstecken des Leiters in das Gehäuseteil, und das Verklemmen des Leiters mit dem Kontaktteil, und in h) - i) mehrere aneinander gereihte Federklemmen in verschiedener Ausrichtung zu einer elektrischen Baugruppe.
In the following the invention will be described with reference to figures. The figures are merely exemplary and do not limit the general idea of the invention.
Fig. 1
shows a first embodiment of a spring clip according to the invention, in a) a housing part and a contact part of the spring clip separated from each other, wherein the contact part is arranged on an electrical assembly, and in b) - e) arranging a housing part to the contact part and jamming a conductor with the contact part,
Fig. 2
shows a second embodiment of a spring clip according to the invention, wherein the Fig. 2 a) c) arranging a housing part of the spring clip on the contact part and the jamming of the conductor with the contact part show, and wherein the Fig. 2 d) shows the use of a plurality of spring clips as a front row terminal,
Fig. 3
shows a third embodiment of a spring clip according to the invention, in a) the housing part and the contact part separately from each other, and in b) - d) arranging the housing part of the spring clip to the contact part, the Inserting the conductor into the housing part, and jamming the conductor to the contact part,
Fig. 4
shows a fourth embodiment of a spring clip according to the invention, in a) the housing part and the contact part separately, in b) - f) arranging the housing part of the spring clip to the contact part, the insertion of the conductor into the housing part, and the jamming of the conductor with the contact part, and in g) another orientation of the spring clip to the electrical assembly,
Fig. 5
shows a fifth embodiment of a spring clip according to the invention, in a) the housing part and the contact part separately from each other, and in b) - g) arranging the housing part of the spring clip to the contact part, the insertion of the conductor into the housing part, and the jamming of the Conductor with the contact part,
Fig. 6
shows a sixth embodiment of a spring clip according to the invention, in a) the housing part and the contact part separately, and in b) - e) arranging the housing part of the spring clip to the contact part, the insertion of the conductor into the housing part, and the jamming of the Conductor with the contact part,
Fig. 7
shows a seventh embodiment of a spring clip according to the invention, in a) the spring clamp in the clamping state and in b) in the sliding state,
Fig. 8
shows an exemplary spring clip, in a) with the housing part arranged on the contact part and in b) without the housing part, and
Fig. 9
shows an eighth embodiment of a spring clip according to the invention, in a) the housing part and the contact part separately, in b) - g) arranging the housing part of the spring clip to the contact part, the insertion of the conductor into the housing part, and the jamming of the conductor with the contact part, and in h) - i) several juxtaposed spring terminals in different orientation to an electrical assembly.

Fig. 1 zeigt eine erste Ausführungsform einer erfindungsgemäßen Federklemme 1, und zwar in a) ein Gehäuseteil 2 und ein Kontaktteil 3 der Federklemme 1 getrennt voneinander, wobei das Kontaktteil 3 an einer elektrischen Baugruppe 5 angeordnet ist, und in b) - e) ein Anordnen eines Gehäuseteils 2 der Federklemme 1 am Kontaktteil 3 sowie ein Verklemmen eines Leiters 4 mit dem Kontaktteil 3. Fig. 1 shows a first embodiment of a spring clip 1 according to the invention, in a) a housing part 2 and a contact part 3 of the spring clip 1 separated from each other, wherein the contact part 3 is disposed on an electrical assembly 5, and in b) - e) arranging a housing part 2 of the spring clip 1 on the contact part 3 and a jamming of a conductor 4 with the contact part. 3

Die erfindungsgemäße Federklemme 1 umfasst das Gehäuseteil 2 sowie das Kontaktteil 3. Das Kontaktteil 3 ist zum Verbinden eines elektrischen Leiters 4 mit einer elektrischen Baugruppe 5 vorgesehen und kontaktiert die elektrische Baugruppe 5. Eine elektrische Baugruppe 5 ist beispielsweise eine Leiterplatine. Grundsätzlich ist aber auch ein anderes elektrisches Bauteil oder eine andere elektrische Baugruppe 5 mit der Federklemme verbindbar. Im Folgenden werden die Begriffe elektrische Baugruppe 5 und Leiterplatine synonym verwendet.The spring clip 1 according to the invention comprises the housing part 2 and the contact part 3. The contact part 3 is provided for connecting an electrical conductor 4 with an electrical assembly 5 and contacts the electrical assembly 5. An electrical assembly 5 is for example a printed circuit board. In principle, however, another electrical component or another electrical assembly 5 can be connected to the spring clip. In the following, the terms electrical module 5 and printed circuit board are used synonymously.

Das Gehäuseteil 2 weist eine Einstecköffnung 6 auf, durch die der Leiter 4 in einer Einsteckrichtung 51 in das Gehäuseteil 2 einsteckbar ist. Weiterhin weist das Gehäuseteil 2 eine Einführöffnung 7 für ein Betätigungsmittel 8 auf, in das das Betätigungsmittel 8 in einer Betätigungsrichtung 81 einführbar ist. In einem Verschiebezustand V der Federklemme 1 ist der Leiter 4 nicht am Kontaktteil 3 befestigt. In dieser Ausführungsform ist der Leiter 4 außerdem im Verschiebezustand durch die Einstecköffnung 6 in das Gehäuseteil 2 einsteckbar und in diesem verschiebbar.The housing part 2 has an insertion opening 6, through which the conductor 4 in a plug-in direction 51 in the housing part 2 can be inserted. Furthermore, the housing part 2 has an insertion opening 7 for an actuating means 8, in which the actuating means 8 in an actuating direction 81 can be inserted. In a shift state V of the spring clip 1, the conductor 4 is not attached to the contact part 3. In this embodiment, the conductor 4 is also inserted in the sliding state through the insertion opening 6 in the housing part 2 and slidable in this.

Die Form des Gehäuseteils 2 und die Form des Kontaktteils 3 sind so korrespondierend zueinander ausgeführt, dass das Anordnen des Gehäuseteils 2 am Kontaktteil 3 sehr einfach mit einem Betätigungsmittel 8 möglich ist. Und zwar wird das Betätigungsmittel 8 in dieser Ausführungsform durch eine Einführöffnung 7 in das Gehäuseteil 2 eingeführt, und wirkt beim Anordnen des Gehäuseteils 2 am Kontaktteil 3, und beim Verklemmen des Leiters 4 mit dem Kontaktteil 3, mit dem Gehäuseteil 2 zusammen. Außerdem wird das Betätigungsmittel 8 beim Fügen des Gehäuseteils 2 an das Kontaktteil 3 beziehungsweise beim Verklemmen des Leiters 4 zwischen den Klemmbacken 31, 32, 33, 34 in einem rechten Winkel 85 zur Einsteckrichtung 51 des Leiters 4 in die Federklemme 1 geführt, so dass die Betätigungsrichtung 81 rechtwinklig zur Einsteckrichtung 51 angeordnet ist.The shape of the housing part 2 and the shape of the contact part 3 are designed to correspond to one another in such a way that the arrangement of the housing part 2 on the contact part 3 very easy with an actuating means 8 is possible. Namely, the actuating means 8 is inserted in this embodiment through an insertion opening 7 in the housing part 2, and acts when arranging the housing part 2 on the contact part 3, and when clamping the conductor 4 with the contact part 3, with the housing part 2 together. In addition, the actuating means 8 is guided during joining of the housing part 2 to the contact part 3 or when jamming the conductor 4 between the jaws 31, 32, 33, 34 at a right angle 85 to the insertion direction 51 of the conductor 4 in the spring clip 1, so that the Actuating direction 81 is arranged at right angles to the insertion direction 51.

Wenn im Verschiebezustand V bei im Gehäuseteil 2 eingestecktem Leiter 4 das Gehäuseteil 2 mithilfe des Betätigungsmittels 8 am Kontaktteil 3 angeordnet wird, wird der Leiter 4 zwischen den Klemmbacken 31, 32, 33, 34 des Kontaktteils 3 verklemmt. Die Federklemme 1 befindet sich dann in einem Klemmzustand K.If the housing part 2 is arranged by means of the actuating means 8 on the contact part 3 in the sliding state V at inserted in the housing part 2 conductor 4, the conductor 4 between the jaws 31, 32, 33, 34 of the contact part 3 is clamped. The spring clip 1 is then in a clamping state K.

Erfindungsgemäß ist das Kontaktteil 3 sowohl stromführend als auch für das Verklemmen eines elektrischen Leiters 4 vorgesehen. Das Kontaktteil 3 weist hier vier stabförmige Klemmbacken 31, 32, 33, 34 auf, von denen jeweils zwei voneinander beabstandet und daher im Wesentlichen u-förmig zueinander benachbart angeordnet sind. Die Klemmbacken 31, 32, 33, 34 weisen daher ein geschlossene Seite 38, an der die benachbarten Klemmbacken 31, 32, 33, 34 miteinander verbunden sind, und eine offene Seite 39 auf. Um ein Verklemmen des elektrischen Leiters 4 zu ermöglichen, sind die Klemmbacken 31, 32, 33, 34 bevorzugt federnd ausgebildet.According to the invention, the contact part 3 is provided both energized and for the clamping of an electrical conductor 4. The contact part 3 here has four rod-shaped clamping jaws 31, 32, 33, 34, two of which are spaced apart from each other and are therefore arranged substantially U-shaped adjacent to each other. The jaws 31, 32, 33, 34 therefore have a closed side 38, to which the adjacent jaws 31, 32, 33, 34 are connected to each other, and an open side 39. In order to enable jamming of the electrical conductor 4, the clamping jaws 31, 32, 33, 34 are preferably resilient.

Da hier das Betätigungsmittel 8 in einem rechten Winkel 85 zur Einsteckrichtung 51 des Leiters 4 geführt wird, werden die Klemmbacken 31, 32, 33, 34 beim Verklemmen durch den Leiter 4 an ihrer offenen Seite 39 auseinander gedrückt, so dass sich der Abstand 10 zwischen den beiden jeweils benachbarten Klemmbackenpaaren 31, 32, 33, 34 vergrößert.Since here the actuating means 8 is guided at a right angle 85 to the insertion direction 51 of the conductor 4, the jaws 31, 32, 33, 34 are pressed apart when jammed by the conductor 4 at its open side 39, so that the distance 10 between the two adjacent jaw pairs 31, 32, 33, 34 increases.

Dabei verklemmen die Klemmbacken 31, 32, 33, 34 gleichzeitig das Gehäuseteil 2 am Kontaktteil 3, so dass ein Abnehmen des Gehäuseteils 2 vom Kontaktteil 3 nicht mehr ohne Lösen des Leiters 4 möglich ist. Daher wird durch Verklemmen des Leiters 4 mit dem Kontaktteil 3 das Gehäuseteil 2 an dem Kontaktteil 4 befestigt. Hier wird also bei eingestecktem Leiter 4 durch das Verschieben des Gehäuseteils 2, das im Verschiebezustand V nicht am Kontaktteil 3 angeordnet ist, nicht nur der Leiter 4 mit dem Kontaktteil 3 verklemmt, sondern auch das Gehäuseteil 2 am Kontaktteil 3 befestigt.In this case jam the jaws 31, 32, 33, 34 at the same time the housing part 2 on the contact part 3, so that a removal of the housing part 2 from the contact part 3 is no longer possible without loosening the conductor 4. Therefore, by jamming the conductor 4 with the contact part 3, the housing part 2 attached to the contact part 4. Here, therefore, with inserted conductor 4 by moving the housing part 2, which is not arranged in the sliding state V on the contact part 3, not only the conductor 4 is clamped to the contact part 3, but also the housing part 2 attached to the contact part 3.

Bei der hier gezeigten Federklemme 1 handelt es sich um eine aneinanderreihbare Frontklemme. Die Fig. 1 a) - d) zeigen die Federklemme 1 im Verschiebezustand V, in dem der Leiter 4 im Gehäuseteil 2 verschiebbar ist. Die Fig. 1 e) zeigt die Federklemme 1 im Klemmzustand K, in dem der Leiter 4 mit dem Kontaktteil 3 verklemmt ist und dieses kontaktiert.The spring clip 1 shown here is a series-stackable front clip. The Fig. 1 a) - d) show the spring clip 1 in the sliding state V, in which the conductor 4 in the housing part 2 is displaceable. The Fig. 1 e) shows the spring clip 1 in the clamping state K, in which the conductor 4 is jammed with the contact part 3 and this contacted.

Fig. 2 zeigt eine zweite Ausführungsform einer erfindungsgemäßen Federklemme 1. Auch hier zeigen die Fig. 2 a) - c) das Anordnen eines Gehäuseteils 2 der Federklemme 1 am Kontaktteil 3 sowie das Verklemmen eines Leiters 4 mit dem Kontaktteil 3, wobei die Federklemme 1 in a) und b) im Verschiebezustand V, und in c) im Klemmzustand K gezeigt ist. Fig. 2 shows a second embodiment of a spring clip according to the invention 1. Again, the show Fig. 2 a) - c) arranging a housing part 2 of the spring clip 1 on the contact part 3 and the jamming of a conductor 4 with the contact part 3, wherein the spring clip 1 in a) and b) in the sliding state V, and in c) in the clamping state K is shown.

Die Fig. 2 d) zeigt mehrere Federklemmen 1 als Reihenfrontklemmen im Klemmzustand K.The Fig. 2 d) shows several spring terminals 1 as series front terminals in the clamping state K.

Diese Ausführungsform unterscheidet sich von der Ausführungsform der Fig. 1 darin, dass zwischen der Leiterplatine 5 und dem Kontaktteil 3 eine Isolationsschiene 9 vorgesehen ist. Die Isolationsschiene 9 weist ein Verbindungsmittel 93 auf, mit dem das Kontaktteil 3 an der Isolationsschiene 9 befestigbar ist. Als Verbindungsmittel 93 ist hier eine Aussparung vorgesehen, in die eine am Kontaktteil 3 angeordnete Ausformung (hier nicht gezeigt) klemmend einfügbar ist.This embodiment differs from the embodiment of FIG Fig. 1 in that between the printed circuit board 5 and the contact part 3, an insulating rail 9 is provided. The insulating rail 9 has a connecting means 93, with which the contact part 3 can be fastened to the insulating rail 9. As a connecting means 93 a recess is provided here, in which a arranged on the contact part 3 molding (not shown here) is inserted by clamping.

Außerdem weist die Isolationsschiene 9 Führungszapfen 91, 92 auf, die im Klemmzustand K der Federklemme 1 in Ausnehmungen 21, 22 des Gehäuseteils 2 eingreifen. Die Position der Führungszapfen 91, 92 und Ausnehmungen 21, 22 ist an den Bedarfsfall anpassbar und hier in den Fig. 2 a) - b) und Fig. 2 c) - d) verschieden.In addition, the insulating rail 9 guide pins 91, 92 which engage in the clamping state K of the spring clip 1 in recesses 21, 22 of the housing part 2. The position of the guide pins 91, 92 and recesses 21, 22 is adaptable to the case of need and here in the Fig. 2 a) - b) and Fig. 2c) - d) different.

Fig. 3 zeigt eine dritte Ausführungsform einer erfindungsgemäßen Federklemme 1, und zwar in a) das Gehäuseteil 2 und das Kontaktteil 3 getrennt voneinander, und in b) - d) das Anordnen eines Gehäuseteils 2 am Kontaktteil 3 und das Einstecken des Leiters 4 in das Gehäuseteil 2 sowie das Verklemmen des Leiters 4 mit dem Kontaktteil 3. Fig. 3 shows a third embodiment of a spring clip 1 according to the invention, in a) the housing part 2 and the contact part 3 separated from each other, and in b) - d) arranging a housing part 2 on the contact part 3 and the insertion of the conductor 4 in the housing part 2 and the jamming of the conductor 4 with the contact part. 3

Die Fig. 3 b) - c) zeigen die Federklemme 1 im Verschiebezustand V, in dem der Leiter 4 im Gehäuseteil 2 verschiebbar und nicht zwischen den Klemmbacken 31, 32 verklemmt ist, die Fig. 3 d) im Klemmzustand K, in dem der Leiter 4 zwischen den Klemmbacken 31, 32 verklemmt ist und das Kontaktteil 3 daher kontaktiert.The Fig. 3 b) - c) show the spring clip 1 in the sliding state V, in which the conductor 4 in the housing part 2 slidably and not jammed between the jaws 31, 32, the Fig. 3 d) in the clamping state K, in which the conductor 4 is clamped between the jaws 31, 32 and the contact part 3 therefore contacted.

Wie bei den Ausführungsformen der Fig. 1 und 2 sind die Form des Gehäuseteils 2 und die Form des Kontaktteils 3 so korrespondierend zueinander ausgeführt, dass das Anordnen des Gehäuseteils 2 am Kontaktteil 3, insbesondere mit dem Betätigungsmittel, möglich ist.As with the embodiments of Fig. 1 and 2 the shape of the housing part 2 and the shape of the contact part 3 are designed to correspond to each other so that the arrangement of the housing part 2 on the contact part 3, in particular with the actuating means, is possible.

Jedoch weist die in Fig. 3 dargestellt Ausführungsform des Kontaktteils 3 lediglich zwei Klemmbacken 31, 32 auf, die im Wesentlichen v-förmig zueinander angeordnet sind, und die als Federn, hier als Blattfedern, ausgeführt sind. Im Folgenden werden die Begriffe Klemmbacke 31, 32 und Blattfeder synonym verwendet. Im Verschiebezustand V sind die Blattfedern 31, 32 an ihrer offenen Seite 38 voneinander beabstandet und liegen an ihrer geschlossenen Seite 39 bevorzugt aneinander an.However, the in Fig. 3 illustrated embodiment of the contact part 3, only two jaws 31, 32, which are arranged substantially V-shaped to each other, and which are designed as springs, here as leaf springs. In the following, the terms jaw 31, 32 and leaf spring are used synonymously. In the shift state V, the leaf springs 31, 32 are spaced apart on their open side 38 and preferably abut one another on their closed side 39.

Aus dieser Anordnung ergibt sich in Bezug auf die Handhabung der Federklemme 1 ein Unterschied zu den Ausführungsformen der Fig. 1 und 2 beim Anschließen des Leiters 4.From this arrangement results in relation to the handling of the spring clip 1, a difference from the embodiments of Fig. 1 and 2 when connecting the conductor 4th

Um den Leiter 4 zwischen den Blattfedern 31, 32 verklemmen zu können, muss der Abstand 10 der Blattfedern 31, 32 an ihrer geschlossenen Seite 39 voneinander zunächst vergrößert werden. Dann wird der Leiter 4 zwischen die Blattfedern 31, 32 platziert und anschließend der Abstand 10 wieder verringert, bis die Blattfedern 31, 32 am Leiter 4 anliegen und diesen verklemmen. Ausgehend von den anfangs im Verschiebezustand V aneinander anliegenden Blattfedern 31, 32 ist der Abstand 10 der Blattfedern 31, 32 im Klemmzustand K, in dem zwischen ihnen der Leiter 4 angeordnet ist, vergrößert.In order to clamp the conductor 4 between the leaf springs 31, 32, the distance 10 of the leaf springs 31, 32 at its closed side 39 from each other must first be increased. Then, the conductor 4 is placed between the leaf springs 31, 32 and then the distance 10 is reduced again until the leaf springs 31, 32 abut the conductor 4 and jam it. Starting from the initially in the sliding state V abutting leaf springs 31, 32, the distance 10 of Leaf springs 31, 32 in the clamping state K, in which the conductor 4 is arranged between them, increases.

Die Ausführungsform hat vor allem den Vorteil, dass der Leiter 4 durch Aufweiten des Abstandes 10 zwischen den Blattfedern 31, 32 zueinander aus der Federklemme 1 wieder entnehmbar ist, und dass dabei aufgrund der Rückstellkräfte der Blattfedern 31, 32 keine Deformationen auftreten, so dass die Federklemme 1 wieder verwendbar ist.The embodiment has the particular advantage that the conductor 4 by expanding the distance 10 between the leaf springs 31, 32 to each other from the spring clip 1 is removed again, and that due to the restoring forces of the leaf springs 31, 32 no deformations occur, so that the Spring clip 1 is reusable.

Um den Abstand 10 zwischen den Blattfedern 31, 32 zu verändern, weist das Gehäuseteil 2 ein Verstellmittel 25, hier in Form eines Keils, auf, der mithilfe des Betätigungsmittels 8 zwischen die Blattfedern 31, 32 einführbar ist. Die Einführöffnung 7 für das Betätigungsmittel 8 ist an einem insbesondere federnden Schwenkarm 27 so vorgesehen, dass das Betätigungsmittel 8 in der Betätigungsrichtung 81 in einem rechten Winkel 85 zur Einsteckrichtung 51 betätigt wird, wobei das Verstellmittel 25 an der geschlossenen Seite 39 zwischen die Blattfedern 31, 32 eingeführt wird. Die Einführöffnung 7 für das Betätigungsmittel 8 ist hier am Verstellmittel 25 vorgesehen. Um ausgehend von aneinanderliegenden Blattfedern 31, 32 das Verstellmittel 25 zwischen die Blattfedern 31, 32 einführen zu können, sind diese an ihrer dem Verstellmittel 25 zugewandten Seite nach außen gebogen, so dass das Verstellmittel 25 zwischen die Blattfedern 31, 32 eingreift.In order to change the distance 10 between the leaf springs 31, 32, the housing part 2 has an adjusting means 25, here in the form of a wedge, which can be inserted by means of the actuating means 8 between the leaf springs 31, 32. The insertion opening 7 for the actuating means 8 is provided on a particular resilient pivot arm 27 so that the actuating means 8 is actuated in the operating direction 81 at a right angle 85 to the insertion direction 51, wherein the adjusting means 25 on the closed side 39 between the leaf springs 31, 32 is introduced. The insertion opening 7 for the actuating means 8 is provided here on the adjusting means 25. In order to be able to introduce the adjusting means 25 between the leaf springs 31, 32 on the basis of abutting leaf springs 31, 32, they are bent outward on their side facing the adjusting means 25, so that the adjusting means 25 engage between the leaf springs 31, 32.

Auch die Ausführungsformen der Fig. 4 - 9 zeigen Federklemmen 1 mit Kontaktteilen 3, deren jeweils zwei Klemmbacken 31, 32 v-förmig zueinander angeordnete Blattfedern sind. Und auch in diesen Ausführungsformen sind jeweils Verstellmittel 25, 35, 36 vorgesehen, um den Abstand der Blattfedern 31, 32 voneinander, vom Verschiebezustand V ausgehend, zunächst zu vergrößern, den Leiter 4 einzuschieben, und dann zu verringern, bis der Leiter 4 im Klemmzustand K zwischen den Blattfedern 31, 32 verklemmt ist. Allerdings sind die Federklemmen 1 der Fig. 4 - 7 und 9 so vorgesehen, dass das Betätigungsmittel 8 und der Leiter 4 beim Einstecken und Verklemmen des Leiters 4 zwischen die Blattfedern 31, 32 etwa parallel zueinander angeordnet sind.Also, the embodiments of the Fig. 4-9 show spring terminals 1 with contact parts 3, each having two clamping jaws 31, 32 are V-shaped arranged leaf springs. And also in these embodiments, respectively adjusting means 25, 35, 36 are provided to increase the distance of the leaf springs 31, 32 from each other, starting from the sliding state V, first to insert the conductor 4, and then to reduce, until the conductor 4 in the clamping state K between the leaf springs 31, 32 is jammed. However, the spring clips 1 of Fig. 4-7 and 9 provided so that the actuating means 8 and the conductor 4 during insertion and jamming of the conductor 4 between the leaf springs 31, 32 are arranged approximately parallel to each other.

In Fig. 4 ist dafür jeweils ein Verstellmittel 35, 36 an jeder Blattfeder 31, 32 vorgesehen, wobei die Verstellmittel 35, 36 jeweils keilförmig und so zueinander angeordnet sind, dass das Betätigungsmittel 8 zwischen die Verstellmittel 35, 36 einführbar ist und an der geschlossenen Seite 39 den Abstand 10 zwischen den Blattfedern 31, 32 dabei vergrößert.In Fig. 4 is for each an adjusting means 35, 36 provided on each leaf spring 31, 32, wherein the adjusting means 35, 36 are each wedge-shaped and arranged to each other so that the actuating means 8 between the adjusting means 35, 36 is inserted and on the closed side 39 the distance 10 between the leaf springs 31, 32 thereby increases.

In Fig. 4 a) - e) ist vom Anordnen des Gehäuseteils 2 am Kontaktteil 3 ausgehend das Anschließen des Leiters 4 an die Federklemme 1 gezeigt. Die Fig. 4 a) zeigt das Gehäuseteil 2 und das Kontaktteil 3 getrennt voneinander. Die Fig. 4 b) - e) zeigen die Federklemme 1 im Verschiebezustand V. Die Fig. 4 f) zeigt die Federklemme 1 im Klemmzustand K.In Fig. 4 a) - e) is shown starting from arranging the housing part 2 on the contact part 3 starting the connection of the conductor 4 to the spring terminal 1. The Fig. 4 a) shows the housing part 2 and the contact part 3 separated from each other. The Fig. 4b) - e) show the spring clip 1 in the shift state V. The Fig. 4 f) shows the spring clip 1 in the clamping state K.

Die Federklemme 1 der Fig. 4 hat den Vorteil, dass das Anordnen der Federklemme 1 an der elektrischen Baugruppe 5 sowohl in einer Ausrichtung parallel einer Einsteckrichtung 51 des Leiters 4 in das Gehäuseteil 2 möglich ist, als auch in einer Ausrichtung quer zu der Einsteckrichtung 51.The spring clip 1 of Fig. 4 has the advantage that the arrangement of the spring clip 1 on the electrical assembly 5 in both an orientation parallel to a plug 51 of the conductor 4 in the housing part 2 is possible, as well as in an orientation transverse to the insertion 51st

Fig. 4 g) zeigt die Anordnung der Federklemme 1 an eine Leiterplatte 5, die quer zur Einsteckrichtung 51 des Leiters 4 angeordnet ist. Fig. 4g) shows the arrangement of the spring clip 1 to a circuit board 5, which is arranged transversely to the insertion direction 51 of the conductor 4.

In Fig. 5 ist wiederum ein keilförmiges Verstellmittel 25 am Gehäuseteil 2 angeordnet.In Fig. 5 in turn, a wedge-shaped adjusting means 25 is arranged on the housing part 2.

Die Fig. 5 a) zeigt das Gehäuseteil 2 und das Kontaktteil 3 der Federklemme 1 getrennt voneinander, wobei die Fig. 5 b) - f) die Federklemme 1 im Verschiebezustand V zeigen, und die Fig. 5 g) die Federklemme 1 im Klemmzustand K zeigt.The Fig. 5 a) shows the housing part 2 and the contact part 3 of the spring clip 1 separated from each other, wherein the Fig. 5b) - f) show the spring clip 1 in the sliding state V, and the Fig. 5g) the spring terminal 1 in the clamping state K shows.

Die Betätigungsrichtung 81 für das Betätigungsmittel 8 ist hier parallel zur Einsteckrichtung 51 des Leiters 4 vorgesehen, so dass das Verstellmittel 25 in Betätigungsrichtung 81 von der offenen Seite 38 aus zwischen die Blattfedern 31, 32 geführt wird, bis diese an ihrer geschlossenen Seite 39 auseinander gedrückt werden und der Leiter 4 zwischen die Blattfedern 31, 32 einsteckbar ist. Das Verstellmittel 25 ist bevorzugt federnd vorgesehen, so dass es sich beim Zurückziehen des Betätigungsmittels 8 entgegen der Betätigungsrichtung 81 ebenfalls entgegen der Betätigungsrichtung 81 verstellt. Dabei werden auch die Blattfedern 31, 32 zurückgestellt, bis sie am Leiter 4 anliegen und diesen verklemmen.The actuating direction 81 for the actuating means 8 is provided here parallel to the insertion direction 51 of the conductor 4, so that the adjusting means 25 is guided in the actuating direction 81 from the open side 38 between the leaf springs 31, 32, until pressed apart on its closed side 39 be and the conductor 4 between the leaf springs 31, 32 can be inserted. The adjusting means 25 is preferably provided resiliently, so that it is also opposite to the actuating direction 81 when retracting the actuating means 8 counter to the actuating direction 81. In this case, the leaf springs 31, 32 are reset until they rest against the conductor 4 and jam it.

In den Ausführungsformen der Fig. 6 und 7 wird ein verdrehbarer Keil, der am Gehäuseteil 2 angeordnet ist und einen etwa ovalen Querschnitt aufweist, als Verstellmittel 25 zwischen die Blattfedern 31, 32 platziert. Die Blattfedern 31, 32 weisen dafür an ihrer geschlossenen Seite 39 jeweils eine Anformung 312, 322 auf, zwischen denen das Verstellmittel 25 angeordnet ist. Daher ist der Abstand 10 zwischen den Blattfedern 31, 32 an ihrer geschlossenen Seite 39 vergrößerbar, indem das Verstellmittel 25 gedreht wird. Auch hier erfolgt das Verdrehen mithilfe des Betätigungsmittels 8, das parallel zur Einsteckrichtung 51 des Leiters 4 in die Einführöffnung eingeführt wird. Und auch hier werden nach dem Einführen des Leiters 4 zwischen die Blattfedern 31, 32 durch Zurückdrehen des Verstellmittels 25 die Blattfedern 31, 32 zurückgestellt, bis sie am Leiter 4 anliegen und diesen verklemmen.In the embodiments of the Fig. 6 and 7 is a rotatable wedge, which is arranged on the housing part 2 and has an approximately oval cross section, as adjusting means 25 between the leaf springs 31, 32 placed. The leaf springs 31, 32 have for this purpose on their closed side 39 in each case an Anformung 312, 322, between which the adjusting means 25 is arranged. Therefore, the distance 10 between the leaf springs 31, 32 on its closed side 39 is increased by the adjusting means 25 is rotated. Again, the rotation takes place by means of the actuating means 8, which is inserted parallel to the insertion direction 51 of the conductor 4 in the insertion opening. And here, after inserting the conductor 4 between the leaf springs 31, 32 by turning back the adjusting means 25, the leaf springs 31, 32 are reset until they rest against the conductor 4 and jam it.

Die Fig. 6 zeigt die Federklemme 1 für einen Leiter 4, wobei Fig. 6 a) das Gehäuseteil 2 und das Kontaktteil 3 der Federklemme 1 getrennt voneinander zeigen, wobei die Fig. 6 b) - d) die Federklemme 1 im Verstellzustand V zeigen, und wobei die Fig. 6 e) die Federklemme 1 im Klemmzustand K zeigt.The Fig. 6 shows the spring clip 1 for a conductor 4, wherein Fig. 6 a) the housing part 2 and the contact part 3 of the spring clip 1 separated from each other, wherein the Fig. 6b) - d) the spring clip 1 show the adjustment state V, and wherein the Fig. 6 e) the spring terminal 1 in the clamping state K shows.

Fig. 7 zeigt eine Ausführungsform der Federklemme 1 für zwei Leiter 4, wobei hier für jeden der Leiter 4 jeweils zwei Blattfedern 31, 32, 33, 34 v-förmig zueinander benachbart vorgesehen sind, und wobei hier nur ein Verstellmittel 25 zum Verändern des Abstandes 10 der geschlossenen Seite 39 der Blattfedern 31, 32, 33, 34 voneinander am Gehäuseteil 2 vorgesehen ist. Daher ist der Abstand 10 der Blattfedern 31, 32, 33, 34 voneinander für beide Leiter 4 hier gleichzeitig verstellbar. Fig. 7 shows an embodiment of the spring clip 1 for two conductors 4, wherein in each case two leaf springs 31, 32, 33, 34 are provided in a v-shape adjacent to each other for each of the conductors 4, and wherein here only one adjusting means 25 for changing the distance 10 of the closed Side 39 of the leaf springs 31, 32, 33, 34 is provided from each other on the housing part 2. Therefore, the distance 10 of the leaf springs 31, 32, 33, 34 from each other for both conductors 4 here simultaneously adjustable.

Die Fig. 7 a) zeigt die Federklemme 1 im Klemmzustand K. Hingegen zeigt die Fig. 7 b) die Federklemme 1 im Verschiebezustand V, so dass hier dass Lösen der Leiter 4 aus der Federklemme 1 sichtbar ist.The Fig. 7 a) shows the spring clip 1 in the clamped state K. However, the Fig. 7b) the spring clip 1 in the sliding state V, so that here the release of the conductor 4 from the spring clip 1 is visible.

Fig. 8 zeigt eine exemplarische Federklemme, und zwar in a) mit dem am Kontaktteil 3 angeordneten Gehäuseteil 2 und in b) ohne das Gehäuseteil 2. Fig. 8 shows an exemplary spring clip, in a) with the arranged on the contact part 3 housing part 2 and in b) without the housing part. 2

In diesem Exempel ist ein keilförmiges Verstellmittel 35 an einem schwenkbaren Schwenkarm 37 des Kontaktteils 3 angeordnet. Der Schwenkarm 37 ist mittels eines Drehgelenks 371 am Kontaktteil 3 vorgesehen und um eine Drehachse 372 schwenkbar.In this example, a wedge-shaped adjusting means 35 is arranged on a pivotable pivot arm 37 of the contact part 3. The pivot arm 37 is provided by means of a hinge 371 on the contact part 3 and pivotable about an axis of rotation 372.

Die Einführöffnung 7 weist das Betätigungsteil 8 auf, das bei Betätigung das Kontaktteil 3 öffnet.The insertion opening 7 has the actuating part 8, which opens the contact part 3 when actuated.

Die Blattfedern 31, 32 sind analog der Ausführungsform der Fig. 3 V-förmig benachbart vorgesehen, und weisen die offene Seite 38 und die geschlossene Seite 39 auf, wobei sie im Verschiebezustand V an der offenen Seite 38 voneinander beabstandet sind und an der geschlossenen Seite 39 aneinander anliegen.The leaf springs 31, 32 are analogous to the embodiment of the Fig. 3 V-shaped adjacent provided, and have the open side 38 and the closed side 39, wherein they are spaced apart in the sliding state V at the open side 38 and abut against each other at the closed side 39.

Um ausgehend von aneinanderliegenden Blattfedern 31, 32 das Verstellmittel 35 zwischen die Blattfedern 31, 32 einführen zu können, sind diese an ihrer dem Verstellmittel 35 zugewandten Seite nach außen gebogen.In order to be able to introduce the adjusting means 35 between the leaf springs 31, 32 on the basis of abutting leaf springs 31, 32, they are bent outward on their side facing the adjusting means 35.

Um das Verstellmittel 35 mittels des Betätigungsmittels 8 zu betätigen, wird dieses so verschwenkt, dass es parallel der Einsteckrichtung 51 des Leiters 4 angeordnet ist, so dass es zwischen die Blattfedern 31, 32 eingreift. Das Betätigungsmittel 8 wird in der Betätigungsrichtung 81 in einem rechten Winkel 85 zur Einsteckrichtung 51 betätigt. Dann ist das Verstellmittel 35 an der geschlossenen Seite 39 zwischen die Blattfedern 31, 32 einführbar, so dass sich der Abstand 10 (s. Fig. 3 ) der Blattfedern 31, 32 zueinander vergrößert.To actuate the adjusting means 35 by means of the actuating means 8, this is pivoted so that it is arranged parallel to the insertion direction 51 of the conductor 4, so that it engages between the leaf springs 31, 32. The actuating means 8 is actuated in the operating direction 81 at a right angle 85 to the insertion direction 51. Then the adjusting means 35 on the closed side 39 between the leaf springs 31, 32 can be inserted, so that the distance 10 (s. Fig. 3 ) of the leaf springs 31, 32 to each other.

Der Leiter 4 wird von der offenen Seite 38 aus zwischen die Blattfedern 31, 32 geführt, bis es an der geschlossenen Seite 39 zwischen den Blattfedern 31, 32 angeordnet ist.The conductor 4 is guided from the open side 38 between the leaf springs 31, 32 until it is arranged on the closed side 39 between the leaf springs 31, 32.

Der Schwenkarm 37 ist bevorzugt so federnd vorgesehen, dass er beim Zurückstellen des Betätigungsmittels 8 entgegen der Betätigungsrichtung 8 zurückschwenkt. Dadurch werden die Blattfedern 31, 32 an ihrem geschlossenen Ende 39 ebenfalls zurückgestellt, so dass sich ihr Abstand wieder verringert, bis die Blattfedern 31, 32 am Leiter 4 anliegen und diesen verklemmen.The pivot arm 37 is preferably provided so resiliently that it swings back when returning the actuating means 8 against the actuating direction 8. Characterized the leaf springs 31, 32 are also returned to its closed end 39, so that their distance is reduced again until the leaf springs 31, 32 abut the conductor 4 and jam it.

Fig. 9 zeigt eine achte Ausführungsform einer erfindungsgemäßen Federklemme 1, und zwar in a) das Gehäuseteil 2 und das Kontaktteil 3 getrennt voneinander, in b) - g) das Anordnen des Gehäuseteils 2 der Federklemme 1 an das Kontaktteil 3, das Einstecken des Leiters 4 in das Gehäuseteil 2, und das Verklemmen des Leiters 4 mit dem Kontaktteil 3, und in h) - i) die Federklemme 1 als Reihenfrontklemme in unterschiedlicher Ausrichtung zu einer elektrischen Baugruppe 5. Fig. 9 shows an eighth embodiment of a spring clip 1 according to the invention, in a) the housing part 2 and the contact part 3 separated from each other, in b) - g) arranging the housing part 2 of the spring clip 1 to the contact part 3, the insertion of the conductor 4 in the Housing part 2, and the jamming of the conductor 4 with the contact part 3, and in h) - i) the spring clip 1 as a row front terminal in a different orientation to an electrical assembly. 5

Das Kontaktteil 3 der Federklemme 1 ist hier kastenförmig ausgebildet und weist daher vier im Wesentlichen rechtwinklig zueinander angeordnete Kastenwände 331, 332, 333, 334 auf. In zwei gegenüberliegenden Kastenwänden 331, 332 sind zwei Klemmbacken 31, 32 vorgesehen, die v-förmig zueinander angeordnet sind, wobei die Klemmbacken 31, 32 an der geschlossenen Seite 39 in das innere des Kontaktteils 3 weisen. Zum Verbinden mit einer der elektrischen Baugruppe 5 weist das Kontaktteil 3 außerdem zwei Kontaktfüße 351, 352 auf, die von einer Kastenwand 334 ausgehend nach außen gebogen sind.The contact part 3 of the spring clip 1 is here box-shaped and therefore has four substantially mutually perpendicular box walls 331, 332, 333, 334. In two opposite box walls 331, 332, two clamping jaws 31, 32 are provided, which are arranged in a V-shape relative to one another, wherein the clamping jaws 31, 32 point at the closed side 39 into the interior of the contact part 3. For connection to one of the electrical subassembly 5, the contact part 3 also has two contact feet 351, 352, which are bent outward from a box wall 334.

Der Fachmann versteht, dass auch eine Ausführungsform des Kontaktteils 3 mit nur einer Klemmbacke 31 möglich ist, bei der der Leiter 4 zwischen der Klemmbacke 31 und der gegenüberliegenden Kastenwand 332 verklemmbar ist.The skilled person understands that an embodiment of the contact part 3 with only one clamping jaw 31 is possible, in which the conductor 4 between the clamping jaw 31 and the opposite box wall 332 is clamped.

Das Gehäuseteil 2 ist mit einem ersten in das Kontaktteil 3 einsteckbaren Ende 23 in das Innere des Kontaktteils 3 einsteckbar. Es weist ein zweites, nicht in das Kontaktteil 3 einsteckbares Ende 24 auf, an dem die Einstecköffnung 6 für den Leiter 4 sowie die Einführöffnung 7 für das Betätigungsmittel 8 angeordnet sind.The housing part 2 can be inserted into the interior of the contact part 3 with a first end 23 which can be inserted into the contact part 3. It has a second, not in the contact part 3 insertable end 24, on which the insertion opening 6 for the conductor 4 and the insertion opening 7 are arranged for the actuating means 8.

Die Einführöffnung 7 und die Einstecköffnung 6 sind so zueinander angeordnet, dass das Betätigungsmittel 8 in einer Betätigungsrichtung 81 parallel der Einsteckrichtung 51 des Leiters 4 betätigbar ist. Der Leiter 4 wird von der offenen Seite 38 des Kontaktteils 3 aus zwischen die Klemmbacken 31, 32 geführt.The insertion opening 7 and the insertion opening 6 are arranged to each other so that the actuating means 8 in an operating direction 81 parallel to the insertion direction 51 of the conductor 4 is actuated. The conductor 4 is guided from the open side 38 of the contact part 3 between the clamping jaws 31, 32.

Das Gehäuseteil 2 weist Verstellmittel 25 auf, die beim Betätigen des Betätigungsmittels 8 in Betätigungsrichtung 81 zwischen die Klemmbacken 31, 32 eingeführt werden. Dadurch werden die Klemmbacken 31, 32 an ihrer geschlossenen Seite 39 auseinander gedrückt, so dass der Leiter 4 zwischen die Klemmbacken 31, 32 einführbar ist.The housing part 2 has adjusting means 25, which are introduced during actuation of the actuating means 8 in the actuating direction 81 between the clamping jaws 31, 32. As a result, the clamping jaws 31, 32 are pressed apart on their closed side 39, so that the conductor 4 can be introduced between the clamping jaws 31, 32.

Beim Zurückziehen des Betätigungsmittels 8 entgegen der Betätigungsrichtung 81 werden die Klemmbacken 31, 32 aufgrund ihrer Rückstellkraft zurückgestellt. Dabei wird der Leiter 4 zwischen den Klemmbacken 31, 32 verklemmt. Das Gehäuseteil 2 wird dabei ebenfalls entgegen der Betätigungsrichtung 81 verschoben.When retracting the actuating means 8 against the actuating direction 81, the clamping jaws 31, 32 are reset due to their restoring force. In this case, the conductor 4 is jammed between the jaws 31, 32. The housing part 2 is also displaced counter to the actuating direction 81.

Am ersten, in das Kontaktteil 3 einsteckbaren Ende sind Anschlagmittel 28 am Gehäuseteil 2 angeordnet. Das Gehäuseteil 2 ist daher nach dem Einstecken in das Kontaktteil 3 entgegen der Betätigungsrichtung 81 nur soweit aus dem Kontaktteil 3 herausziehbar, bis die Anschlagmittel 28 am Kontaktteil 3 anliegen. Da das Gehäuseteil 2 mittels der Anschlagmittel 28 am Kontaktteil 3 befestigt ist, ist es beim Verschieben entgegen der Betätigungsrichtung 81 nicht selbsttätig vom Kontaktteil 3 lösbar.At the first, insertable into the contact part 3 end stop means 28 are arranged on the housing part 2. The housing part 2 is therefore after insertion into the contact part 3 against the operating direction 81 only so far from the contact part 3 pulled out until the stop means 28 abut the contact part 3. Since the housing part 2 is fixed by means of the stop means 28 on the contact part 3, it is not automatically detachable from the contact part 3 when moving counter to the actuating direction 81.

In der Ausführungsform Fig. 9 i) ist um das Kontaktteil 3 ein zweites isolierendes Gehäuseteil 100 vorgesehen.In the embodiment Fig. 9 i) a second insulating housing part 100 is provided around the contact part 3.

Als Betätigungsmittel 8 ist in allen Ausführungsformen vorteilhaft ein Schraubenzieher verwendbar.As an actuating means 8, a screwdriver is advantageously used in all embodiments.

Das Gehäuseteil 2 ist bevorzugt aus einem isolierenden Werkstoff, insbesondere aus einem Kunststoff gefertigt.The housing part 2 is preferably made of an insulating material, in particular of a plastic.

Das Kontaktteil 3 ist aus einem leitenden Werkstoff, insbesondere aus einem Metall oder aus einer Metalllegierung gefertigt. Dabei sind die federnd ausgebildeten Klemmbacken 31, 32, 33, 34 vorzugsweise aus einem Metall mit guten Rückstelleigenschaften gebildet. Da die Klemmbacken 31, 32, 33, 34 außerdem stromführend sind, weist das bevorzugte Material gleichzeitig gute Leitungseigenschaften auf.The contact part 3 is made of a conductive material, in particular of a metal or of a metal alloy. The resiliently formed clamping jaws 31, 32, 33, 34 are preferably made of a metal with good recovery properties educated. In addition, since the jaws 31, 32, 33, 34 are live, the preferred material has good conductive properties at the same time.

Die erfindungsgemäße Federklemme ist in miniaturisierten Ausmaßen herstellbar.The spring clip according to the invention can be produced in miniaturized dimensions.

Claims (9)

  1. A spring terminal (1), especially a front terminal, for the connection of an electrical conductor (4) with an electrical subassembly (5), comprising
    a) a contact part (3) and a housing part (2),
    b) wherein the electrical conductor (4) can be inserted into the housing part (2) for connecting to the contact part (3),
    c) wherein the spring terminal (1) has an insertion opening (7) for an actuating means (8), in particular a screwdriver,
    d) wherein the contact part (3) comprises a clamping jaw (31, 32, 33, 34) which, by means of the actuating means (8), is adjustable from a sliding state (V) in which conductor (4) is not clamped with the clamping jaw (31, 32, 33, 34) and can be moved within the housing part (2) to a clamping state (K) in which the conductor (4) is clamped with the clamping jaw (31, 32, 33, 34), wherein the clamping jaw (31, 32, 33, 34) is current-conducting, and
    e) wherein the clamping jaw (31, 32, 33, 34) is formed as a spring,
    f) wherein the spring terminal comprises an adjusting means (25, 35, 36), wherein the adjusting means, with which the actuating means (8) interacts, is formed as a wedge, and
    g) wherein the contact part (3) comprises two of the clamping jaws (31, 32, 33, 34), between which the conductor (4) can be clamped,
    characterized in that
    h) the adjusting means (25, 35, 36), with which the actuation means (8) interacts, is provided on the housing part.
  2. A spring terminal (1) according to claim 1, characterized in that several spring terminals (1) can be lined up one after the other.
  3. A spring terminal (1) according to one of the preceding claims, characterized in that the insertion opening (7) is provided on the housing part (2).
  4. A spring terminal (1) according to one of the preceding claims, characterized in that the contact part (3) is formed in the shape of a box.
  5. A spring terminal (1) according to one of the preceding claims, characterized in that the housing part (2) can be attached to contact part (3) by clamping the electrical conductor (4) with the contact part (3).
  6. A spring terminal (1) according to one of the preceding claims, characterized in that the housing part (2), when in the sliding state (V), is not arranged on the contact part (3).
  7. A spring terminal (1) according to one of the preceding claims, characterized in that it comprises an insulation busbar (9) with a guide peg (91, 92) for the purpose of guiding the housing part (2).
  8. A spring terminal (1) according to one of the claims 1 to 7, characterized in that a stop means (28) is arranged on the housing part (2).
  9. Spring terminal (1) according to claim 3, characterized in that the insertion opening (7) is arranged on a rocker arm (27).
EP10803075.0A 2010-01-07 2010-12-17 Spring terminal, in particular a front terminal Not-in-force EP2522052B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010000681U DE202010000681U1 (en) 2010-01-07 2010-01-07 Spring clamp, in particular front clamp
PCT/EP2010/070075 WO2011083031A1 (en) 2010-01-07 2010-12-17 Spring terminal, in particular a front terminal

Publications (2)

Publication Number Publication Date
EP2522052A1 EP2522052A1 (en) 2012-11-14
EP2522052B1 true EP2522052B1 (en) 2016-08-17

Family

ID=43587136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10803075.0A Not-in-force EP2522052B1 (en) 2010-01-07 2010-12-17 Spring terminal, in particular a front terminal

Country Status (6)

Country Link
US (1) US8672703B2 (en)
EP (1) EP2522052B1 (en)
JP (1) JP2013516733A (en)
CN (1) CN102714360B (en)
DE (1) DE202010000681U1 (en)
WO (1) WO2011083031A1 (en)

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Also Published As

Publication number Publication date
JP2013516733A (en) 2013-05-13
EP2522052A1 (en) 2012-11-14
CN102714360A (en) 2012-10-03
US8672703B2 (en) 2014-03-18
WO2011083031A1 (en) 2011-07-14
US20120258615A1 (en) 2012-10-11
CN102714360B (en) 2015-07-22
DE202010000681U1 (en) 2011-05-12

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