EP2966731B1 - Contact element and application of such a contact element in a plug-in connection - Google Patents
Contact element and application of such a contact element in a plug-in connection Download PDFInfo
- Publication number
- EP2966731B1 EP2966731B1 EP15181912.5A EP15181912A EP2966731B1 EP 2966731 B1 EP2966731 B1 EP 2966731B1 EP 15181912 A EP15181912 A EP 15181912A EP 2966731 B1 EP2966731 B1 EP 2966731B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact element
- contact
- carrier strip
- web elements
- web
- 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.)
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Links
- 238000000034 method Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 7
- 241000446313 Lamella Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000002023 somite Anatomy 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
-
- 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
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
-
- 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
- H01R4/4881—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a louver type spring
Definitions
- the present invention relates to the field of electrical connection technology. It relates to a contact element according to the preamble of claim 1 and the application of such a contact element in a plug connection.
- Contact elements in the form of contact blades have long been known and are used to bridge larger gaps between two surfaces to be electrically connected safely and permanently and at sufficiently high currents.
- Basis of such contact elements or lamella is a Carrier tape on which in the carrier tape longitudinal direction one behind the other a number of web elements are arranged, which protrude from the tape plane and can be resiliently pushed back by torsion in the tape plane.
- the web elements mediating the contact were formed directly from the band material of the carrier band by means of a stamping / bending process (see, for example, US Pat US-A-3,453,587 ). These are therefore one-component contact elements.
- the disadvantage was not only the limitation in the geometric dimensioning of the web elements, which were formed from the carrier tape itself by punching, but also the limitation in the selection of the carrier tape material, which had to have good spring properties and good electrical conductivity and contact ability simultaneously.
- carrier tape and web elements as separate parts (two-component contact elements), so that the carrier tape could be optimized for the spring function, while the carrier elements attached to the web elements were optimized in terms of electrical properties.
- larger contact distances could be bridged by an increased freedom in the dimensions of the web elements.
- Such contact elements or contact blades are for example from the US-A-4,456,325 , as well as from the EP-A2-0 254 770 or from the EP-A1-1 119 077 known.
- V-shaped bent contact clip which are equipped at the free leg ends with clamping feet and attached to the carrier tape.
- the clamp feet make electrical contact with the one contact surface on the underside via one contact point each.
- the other, opposite contact surface is contacted by the tip of the contact clip at a further contact point.
- the plug in the front lying leg of the contact clip is used when inserting the connector, the contact bracket gently sliding towards to let the carrier belt to compress.
- the leg lying in the insertion direction of the contact clip is no comparable function. However, it increases the width of the contact element to the detriment of compactness.
- the object is solved by the entirety of the features of claim 1.
- Essential for the invention is that the electrical contact mediating individual web elements are formed asymmetrically to a center plane extending in the carrier tape longitudinal center plane. This makes it possible, with a smaller width, to increase the number of contact points per unit length considerably.
- An embodiment of the invention is characterized in that the web elements each have two transversely spaced from the carrier tape longitudinal direction clamping feet, with which they are attached to the carrier tape, and with which they electrically contact one of the two opposite surfaces, and that the web elements each one having associated with the clamping feet, triangular contact wings, the wing tip is disposed on one side of the median plane and the other of the two opposite surfaces electrically contacted.
- the carrier tape for the web carrier in the longitudinal direction of successively arranged web elements each have two of a extending in the carrier tape longitudinal direction web to opposite directions transversely outgoing, acting as torsion spring arms, at the free Ends the respective web element is fixed with its clamping feet, wherein the carrier tape in the longitudinal direction of successively arranged web elements are arranged overlapping.
- the contact blades are substantially in the shape of a right triangle in which the clamping feet are located at the ends of a catheter and the wing tip is formed by the other catheter and the hypotenuse.
- Another embodiment is characterized in that the web elements in the region of the clamping feet each engage with a contact lug in a clamping manner around the carrier tape or the spring arms.
- the clamping attachment of the web elements on the carrier tape or the spring arms may be provided a positive connection between the carrier tape or the spring arms and the clamping feet, wherein for the production of the positive connection in the carrier tape or the spring arms holes are provided, in which the clamping feet intervene with a corresponding imprint.
- laterally projecting guide tabs may be formed at the free ends of the spring arms on the clamping feet.
- a guide tab is integrally formed on the free end of a single spring arm, which is preferably laterally beyond a clamping foot only on one side.
- a further embodiment of the invention is characterized in that the contact element has only one row of web elements arranged one behind the other in the carrier tape longitudinal direction, and the associated carrier tape correspondingly only one extending in the carrier tape longitudinal direction, in the Center of the carrier tape extending web with two in opposite directions transversely outgoing, acting as torsion spring arms comprises.
- the contact element has two parallel rows of carrier web longitudinally arranged one behind the other web elements, if the associated carrier tape according to two parallel extending in carrier tape longitudinal webs with each two thereof in opposite directions transversely outgoing, comprising spring arms acting as torsion springs, and when the spring arms coming in from both webs are connected in pairs at the ends via a central connection.
- the center connection is designed so that in the direction of insertion in each case rear web element pre-springs during the insertion process, and in the fully inserted state independently establishes an electrical contact between the two opposite surfaces.
- the web elements of both parallel rows are formed and arranged in mirror image to a center plane lying between the rows.
- the web elements each have two clamping feet which are spaced apart from one another transversely to the longitudinal direction of the carrier tape, with which they are fastened to the carrier tape and with which they electrically contact one of the two opposing faces, and if the web elements are connected to the clamping feet, respectively.
- An application of the contact element in a plug connector and a socket comprehensive connector is characterized in that the contact element in a groove on the outside of the plug or on the Inside the sleeve is arranged such that the wing tip is arranged in the rear direction of insertion.
- the contact element transversely outwardly projecting guide tabs, it is advantageously performed with the guide tabs in lateral undercuts on the groove.
- the contact element has transversely outwardly projecting guide straps.
- the guide tabs are preferably protruded on one side over the web elements.
- the contact element is guided with the guide tab in a single lateral undercut at the puncture.
- the guide tabs are arranged in a row, wherein the row of guide tabs protrudes into the undercut.
- FIG. 1 different details and views of a contact element with only one row of asymmetric web elements according to a first embodiment of the invention are shown in different sub-figures 1 (a) to 1 (g).
- the contact element 10 consists of a longitudinally extending, resilient carrier tape 11 of a suitable metal sheet and a plurality of carrier tape in the longitudinal direction arranged one behind the other, on the carrier tape 11 perpendicular to the carrier tape plane einfedemd fixed web elements 17 (FIGS. Fig. 1 (g) ) for mediating the electrical contact between two opposite surfaces (26, 27 and 46, 47 in Fig. 9 ).
- the web elements 17, which consist of an electrically highly conductive material (eg, Cu) and are preferably surface-finished (eg silver-plated), are connected to a center plane M1 (FIG. Fig. 1 (b) ) formed asymmetrically. They each have two transverse to the carrier tape longitudinal direction spaced clamping feet 18, 19, with which they are attached to the carrier tape 11, and with which they one of the two opposing surfaces 26, 27 and 46, 47 ( Fig. 9 ) contact electrically.
- a center plane M1 (FIG. Fig. 1 (b) ) formed asymmetrically. They each have two transverse to the carrier tape longitudinal direction spaced clamping feet 18, 19, with which they are attached to the carrier tape 11, and with which they one of the two opposing surfaces 26, 27 and 46, 47 ( Fig. 9 ) contact electrically.
- the web elements 17 each have one with the clamping feet 18, 19 connected, triangular contact blade 20, the wing tip 21 is disposed on one side of the median plane M1 ( Fig. 1 (b) ) and the other of the two opposite surfaces 26, 27 and 46, 47 electrically contacted.
- the triangular shape of the contact wings 20 results in the desired asymmetry of the web elements 17.
- the run of the wing tip 21 to a clamping foot 18 slope 22 leads to gentle deflection of the web elements 17 when the contact element according to Fig. 9 is installed in a plug connection 26, 27 and 46,47.
- the spring behavior of the web elements is achieved in that the carrier tape 11 for the web elements 17 each two extending from one in the carrier tape longitudinal direction web 12 to opposite directions transversely outgoing, acting as torsion spring arms 13,14, at the free ends of the respective web element 17 is attached with its clamping feet 18, 19.
- the slightly relaxed in the relaxed state spring arms 13, 14 (height h1 in Fig. 1 (g) ) are arranged so closely behind one another in the carrier tape longitudinal direction that the web elements 17 strongly overlap, thus resulting in a high contact and current density per unit length of the contact element.
- the contact element 10 can according to Fig. 1 (g) compensate for a maximum height h2 between two surfaces to be contacted; the minimum height h3 is reached when the web elements 17 are above each other like scales.
- the individual web elements 17 (FIG. Fig. 1 (b) ) on the prepared carrier tape 11 (FIG. Fig. 1 (a) ) fixed by the spring arms 13, 14 in the region of the clamping feet 18,19 by bending a contact tab 23 (Fig. Fig. 1 (f) ) are trapped.
- a frictional connection between the carrier tape 11 and the web elements 17 is produced.
- the clamping attachment of the web elements 17 on Carrier tape 11 and the spring arms 13,14 may be a positive connection between the carrier tape 11 and the spring arms 13,14 and the clamping feet 18, 19 are provided.
- a symmetrical two-bar variant according to Fig. 4 to 8 and 10 be provided.
- the carrier tape 31 (FIG. Fig. 4 (a) ) of the contact element 30 practically from two parallel Sus 32, 32 'and outgoing from the webs spring arms 34, 34' and 35, 35 ', in which the two webs 32, 32' inwardly outgoing spring arms 34 ', 35' in pairs at the ends via an in a center plane M3 lying central connection 33 are connected to each other.
- the web elements 36, 37 each have with the clamping feet 38, 39 and 42, 43 connected, triangular contact wings 20, the wing tips 40, 44 are arranged on both sides and in the immediate vicinity of lying between the rows center plane M3 and the other of the Contact two opposite surfaces, each with a contact point electrically.
- the contact wings 20 are substantially in the shape of a right triangle in which the clamp legs 38, 39 and 42, 43, respectively, are located at the ends of a catheter of the triangle and the wing tips 40 and 44, respectively, through the other and the hypotenuse of the triangle is formed.
- the contact wings 20 of the two adjacent web elements 38, 39 are arranged in mirror image to each other, wherein the median plane M3 acts as a mirror plane.
- Fig. 1 (f) and (e) and Fig. 4 (f) and (e) recognizes the web elements 17 and 36, 37 along the slope 22 and 41, 45 and the wing tip 21 and 40, 44 a rounding 25.
- This rounding facilitates the pivoting of the web elements 17 and 36, 37 during compression in the course the plug-in process ( Fig. 7-9 ).
- the plug-in process is additionally facilitated by a rounding 48 or 49 on the contact piece of the plug-in connection, which slips when plugged with an edge on the slope of the front web elements.
- FIG. 10 Another advantage of the displaced in the middle wing tips of the asymmetric web elements is made Fig. 10 clearly: When inserting a larger angular deviation between the contact pieces (angle ⁇ ) can be tolerated.
- a comparison of the contact elements 10 and 10 'with a known contact element ST1 of the LA-CU type of the applicant in Fig. 3 shows that (with approximately the same width) can achieve significantly more contact points per unit length and thus a greater current density with the solution according to the application.
- a comparison of the contact elements 30 and 30 'with the known contact element ST1 of the LA-CU type of the applicant and from the EP-A1-1 119 077 known contact element ST2 in Fig. 6 shows that (with reduced width compared to ST2) with the application according to the solution significantly more contact points per unit length and thus a greater current density can be achieved. Compared to the ST1, the width is slightly lower and the number of contact points per unit length significantly increased.
- This in FIG. 11 shown third embodiment of the contact element 100 essentially comprises a carrier tape 111 and a plurality of web members 117 protruding from the carrier tape.
- the carrier tape 111 and the web members 117 are configured essentially analogously to the embodiments already set out above.
- the contact element 100 accordingly comprises a spring-elastic carrier strip 111 extending in a longitudinal direction and a plurality of web elements 117 arranged one behind the other in the carrier tape longitudinal direction and secured to the carrier tape perpendicularly to the carrier tape plane to mediate the electrical contact between two opposing surfaces.
- a guide plate 115 is integrally formed on the free end of a single spring arm 113, which is preferably laterally beyond a clamping foot 118 of the web element 117 on one side.
- the one-sided formed guide tab 115 can represent with the described features, one of the other mentioned features (in particular of the asymmetrical design of the web elements) independent invention.
- the length of the guide plates 115 is different from the length of the guide plates of the preceding embodiments.
- the guide plates 115 are formed as stated above at the free ends of the spring arms.
- the guide tabs 115 which protrude from a first side of the carrier tape 111, are designed to be longer than the guide tabs, which project from a second side of the carrier tape 111.
- the first side is the side which is right of the center axis M of the carrier tape 111, in which case the second side is the side which is to the left of the center axis M.
- the web elements 117 are arranged on the carrier tape 111 such that the bevel 122 faces the longer guide tongue 115, and that the blade tip 121 faces the shorter guide tongue.
- the guide lug 115 integrally formed on the free end of the spring arm 113 extends laterally beyond the clamping foot 118.
- the web members 117 may be reversed so that the longer guide tab 115 protrudes on the wing tip 121 side.
- the shorter guide plate is preferably designed with respect to its length such that it does not protrude beyond the width B of the web elements 117.
- the arrangement of the shorter guide strap can be dispensed with, or the shorter guide strap 115 can have a length such that it extends over the width B of the web elements 117. In the latter case, the guide tab would therefore extend on both sides.
- the longer guide tab projects beyond the width B of the web element 117 on at least one side of the contact element.
- the maximum width of the contact element 100 is increased by the protruding length L of the longer guide element 115.
- the maximum width of the contact element is accordingly composed of the width B of the web element 117 and the protruding length L of the guide element 115.
- a cylindrical plug 127 and a socket 126 are shown.
- the cylindrical plug 127 is equipped with an inventive L-shaped groove, which comprises a recess 128 with a single undercut 129, for receiving a contact element mentioned in this application.
- other contact elements which are known for example from the prior art, are also used in the inventive recess 128.
- the contact element 100 has a guide lug 115 projecting transversely outwards, the guide lug 115 projecting on the web element 117 in particular on one side, and the contact element 100 with the guide lug 115 in a single lateral undercut 129 in the recess 128 is guided.
- the contact element 100 lies in the recess 128, wherein the guide tab 115 protrudes into the undercut 129.
- the region in which the groove 128 is disposed is shown as partially sectioned, with the cut extending centrally through the cylindrical plug 127.
- the groove 128 extends from the surface 1271 of the cylindrical plug 127 into the latter.
- the recess 128 is bounded by a first side wall 1280, a second side wall 1281 and a support surface 1282.
- the recess 128 has a rectangular cross-section, which has a depth TE and a width BE. The depth TE is selected such that portions of the web members 117 project beyond the surface 1271 of the plug 127.
- the recess 128 has only one undercut 129, which extends into one of the side walls 1280, 1281.
- the undercut 129 is thus arranged on one side on the recess 128.
- the undercut 129 extends into the second side wall 1281.
- the undercut is arranged such that it extends in the direction of the support surface 1282 in the corresponding side wall 1280, 1281, wherein the undercut 129 advantageously substantially aligned with the support surface 1282th is.
- the undercut 129 has a depth T seen from the side wall.
- the depth T corresponds approximately to the length L of the protruding part of the guide plates 115. Due to the arrangement of the undercut 129, the resulting groove may also be referred to as L-shaped.
- FIG. 12a shows how a contact element, here the contact element 100, in the inventive L-groove or in the recess 128 with the undercut 129 is introduced.
- the contact element 100 is inserted obliquely into the recess 128, that parts of the protruding guide tabs 115 can protrude into the undercut 129.
- the contact element 100 is pushed so far in the direction of the undercut 129 until parts of the contact element are present on the second side wall 1281.
- the contact element 100 can then be pressed in the direction of the bearing surface 1282. As soon as the contact element 100 lies in the recess 128 and in the undercut 129, this is completely installed. This condition is in the FIG. 12b shown.
- FIG. 12b It is shown how the plug 127 can be inserted into the socket 126. If there is play between the contact element 100 and the recess 128 with the undercut 129, the contact element 100 is pushed in the direction of the first side surface 1280, which acts as a stop in this case.
- the width BE of the recess 128 is therefore to be dimensioned such that it is by no means wider than the maximum width B of the contact element 100. This ensures that the contact element 100 is not released from the secure recording of the single step.
- the undercut may alternatively be disposed in the first sidewall 1280. If the contact element in the same direction, so that the blade tip 21 is arranged in the rear insertion direction, to be installed, the guide plates 115 would then extend over the other side of the web member 117 and the Klemmfusses 119.
- a first advantage of the described recess 128 with undercut 129 is the fact that the contact element 100 can be mechanically held by its internal stress and by the guide tab 115 in the puncture.
- the recess 128 according to the invention with undercut 129 or the L-shaped groove is particularly advantageous, since it is not necessary to provide an insertion path through which the contact element can be inserted into the groove.
- the production of the groove for receiving the contact element 100 can be made much simpler and thus faster and less expensive.
- the insertion of the contact element 100 is easier than with other grooves.
- the recess 128 with undercut 129 can also be used with other elements.
- the Figures 13a and 13b show the arrangement of the recess 128 with undercut 129 in a socket 126. Like parts are given the same reference numerals.
- the recess 128 is recessed in the surface 1261 of the socket arranged. Again, the L-shaped groove is particularly easy and inexpensive to produce.
- the L-shaped groove so the recess 128 with the undercut 129, not only in a cylindrical surface, but also in a flat surface can be arranged.
- FIGS. 5 and 6 shown contact elements, in particular the double-row contact elements 30, 30 'to be adapted such that they also have only a single guide plate which protrudes on one side over the clamping foot or on the web element.
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- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Measuring Leads Or Probes (AREA)
- Connecting Device With Holders (AREA)
Description
Die vorliegende Erfindung bezieht sich auf das Gebiet der elektrischen Verbindungstechnik. Sie betrifft ein Kontaktelement gemäss dem Oberbegriff des Anspruchs 1 sowie die Anwendung eines solchen Kontaktelements in einer Steckverbindung.The present invention relates to the field of electrical connection technology. It relates to a contact element according to the preamble of claim 1 and the application of such a contact element in a plug connection.
Kontaktelemente in Form von Kontaktlamellen sind seit langem bekannt und werden dazu verwendet, grössere Spalte zwischen zwei elektrisch zu verbindenden Flächen sicher und dauerhaft und bei ausreichend hohen Strömen zu überbrücken. Grundlage solcher Kontaktelemente bzw. -lamellen ist ein Trägerband, an dem in Trägerband-Längsrichtung hintereinander eine Reihe von Stegelementen angeordnet sind, die aus der Bandebene herausragen und durch Torsion federnd in die Bandebene zurückgedrückt werden können. Bei den ersten Kontaktlamellen wurden die den Kontakt vermittelnden Stegelemente durch ein Stanz/Biegeverfahren direkt aus dem Bandmaterial des Trägerbandes gebildet (siehe z.B. die
Nachteilig war dabei nicht nur die Beschränktheit in der geometrischen Dimensionierung der Stegelemente, die aus dem Trägerband selbst durch Stanzen gebildet wurden, sondern auch die Beschränkung in der Auswahl des Trägerbandmaterials, das gleichzeitig gute Federeigenschaften und eine gute elektrische Leit- und Kontaktfähigkeit haben musste.The disadvantage was not only the limitation in the geometric dimensioning of the web elements, which were formed from the carrier tape itself by punching, but also the limitation in the selection of the carrier tape material, which had to have good spring properties and good electrical conductivity and contact ability simultaneously.
Es ist daher später vorgeschlagen worden, Trägerband und Stegelemente als separate Teile bereitzustellen (Zweikomponenten-Kontaktelemente), so dass das Trägerband auf die Federfunktion hin optimiert werden konnte, während die am Trägerband befestigten Stegelemente hinsichtlich der elektrischen Eigenschaften optimiert waren. Zugleich konnten durch eine vergrösserte Freiheit in den Abmessungen der Stegelemente grössere Kontaktabstände überbrückt werden. Derartige Kontaktelemente bzw. Kontaktlamellen sind beispielsweise aus der
In der letztgenannten Druckschrift (
Es ist daher Aufgabe der Erfindung, ein Kontaktelement in Form einer Kontaktlamelle zu schaffen, welche die Vorteile der Zweikomponenten-Kontaktelemente aufweist und zugleich kompakter aufgebaut werden kann bzw. bei kleineren äusseren Abmessungen mehr Strom überträgt.It is therefore an object of the invention to provide a contact element in the form of a contact blade, which has the advantages of the two-component contact elements and at the same time can be made more compact or transmits more power with smaller outer dimensions.
Die Aufgabe wird durch die Gesamtheit der Merkmale des Anspruchs 1 gelöst. Wesentlich für die Erfindung ist, dass die den elektrischen Kontakt vermittelnden einzelnen Stegelemente zu einer in Trägerband-Längsrichtung verlaufenden Mittelebene asymmetrisch ausgebildet sind. Hierdurch ist es möglich, bei geringerer Breite die Anzahl der Kontaktpunkte pro Längeneinheit erheblich zu erhöhen.The object is solved by the entirety of the features of claim 1. Essential for the invention is that the electrical contact mediating individual web elements are formed asymmetrically to a center plane extending in the carrier tape longitudinal center plane. This makes it possible, with a smaller width, to increase the number of contact points per unit length considerably.
Eine Ausgestaltung der Erfindung zeichnet sich dadurch aus, dass die Stegelemente jeweils zwei quer zur Trägerband-Längsrichtung voneinander beabstandete Klemmfüsse aufweisen, mit denen sie am Trägerband befestigt sind, und mit denen sie eine der beiden gegenüberliegenden Flächen elektrisch kontaktieren, und dass die Stegelemente jeweils einen mit den Klemmfüssen verbundenen, dreieckigen Kontaktflügel aufweisen, dessen Flügelspitze auf einer Seite der Mittelebene angeordnet ist und die andere der beiden gegenüberliegenden Flächen elektrisch kontaktiert.An embodiment of the invention is characterized in that the web elements each have two transversely spaced from the carrier tape longitudinal direction clamping feet, with which they are attached to the carrier tape, and with which they electrically contact one of the two opposite surfaces, and that the web elements each one having associated with the clamping feet, triangular contact wings, the wing tip is disposed on one side of the median plane and the other of the two opposite surfaces electrically contacted.
Insbesondere weist das Trägerband für die in Trägerband-Längsrichtung hintereinander angeordneten Stegelemente jeweils zwei von einem sich in Trägerband-Längsrichtung erstreckenden Steg zu entgegengesetzten Richtungen quer abgehenden, als Torsionsfedern wirkende Federarme auf, an deren freien Enden das jeweilige Stegelement mit seinen Klemmfüssen befestigt ist, wobei die in Trägerband-Längsrichtung hintereinander angeordneten Stegelemente überlappend angeordnet sind.In particular, the carrier tape for the web carrier in the longitudinal direction of successively arranged web elements each have two of a extending in the carrier tape longitudinal direction web to opposite directions transversely outgoing, acting as torsion spring arms, at the free Ends the respective web element is fixed with its clamping feet, wherein the carrier tape in the longitudinal direction of successively arranged web elements are arranged overlapping.
Vorzugsweise haben die Kontaktflügel im Wesentlichen die Form eines rechtwinkligen Dreiecks, bei dem die Klemmfüsse an den Enden einer Kathete angeordnet sind und die Flügelspitze durch die andere Kathete und die Hypothenuse gebildet wird.Preferably, the contact blades are substantially in the shape of a right triangle in which the clamping feet are located at the ends of a catheter and the wing tip is formed by the other catheter and the hypotenuse.
Eine andere Ausgestaltung ist dadurch gekennzeichnet, dass die Stegelemente im Bereich der Klemmfüsse jeweils mit einer Kontaktlasche klemmend um das Trägerband bzw. die Federarme greifen.Another embodiment is characterized in that the web elements in the region of the clamping feet each engage with a contact lug in a clamping manner around the carrier tape or the spring arms.
Zusätzlich zur klemmenden Befestigung der Stegelemente am Trägerband bzw. den Federarmen kann eine formschlüssige Verbindung zwischen dem Trägerband bzw. den Federarmen und den Klemmfüssen vorgesehen sein, wobei zur Herstellung des Formschlusses in dem Trägerband bzw. den Federarmen Löcher angebracht sind, in welche die Klemmfüsse durch eine entsprechende Prägung eingreifen.In addition to the clamping attachment of the web elements on the carrier tape or the spring arms may be provided a positive connection between the carrier tape or the spring arms and the clamping feet, wherein for the production of the positive connection in the carrier tape or the spring arms holes are provided, in which the clamping feet intervene with a corresponding imprint.
Zur Erleichterung des Einbaus können an den freien Enden der Federarme über die Klemmfüsse seitlich hinausstehende Führungslaschen angeformt sein.To facilitate the installation laterally projecting guide tabs may be formed at the free ends of the spring arms on the clamping feet.
Vorzugsweise ist am freien Ende eines einzigen Federarmes eine Führungslasche angeformt, welche über einen Klemmfuss vorzugsweise nur einseitig seitlich hinaus steht.Preferably, a guide tab is integrally formed on the free end of a single spring arm, which is preferably laterally beyond a clamping foot only on one side.
Eine weitere Ausgestaltung der Erfindung zeichnet sich dadurch aus, dass das Kontaktelement nur eine Reihe von in Trägerband-Längsrichtung hintereinander angeordneten Stegelementen aufweist, und das zugehörige Trägerband entsprechend nur einen sich in Trägerband-Längsrichtung erstreckenden, in der Mitte des Trägerbandes verlaufenden Steg mit zwei in entgegengesetzten Richtungen quer abgehenden, als Torsionsfedern wirkenden Federarmen umfasst.A further embodiment of the invention is characterized in that the contact element has only one row of web elements arranged one behind the other in the carrier tape longitudinal direction, and the associated carrier tape correspondingly only one extending in the carrier tape longitudinal direction, in the Center of the carrier tape extending web with two in opposite directions transversely outgoing, acting as torsion spring arms comprises.
Eine Erhöhung der Dichte der Kontaktpunkte lässt sich erreichen, wenn das Kontaktelement zwei parallele Reihen von in Trägerband-Längsrichtung hintereinander angeordneten Stegelementen aufweist, wenn das zugehörige Trägerband entsprechend zwei parallel sich in Trägerband-Längsrichtung erstreckende Stege mit jeweils zwei davon in entgegengesetzten Richtungen quer abgehenden, als Torsionsfedern wirkenden Federarmen umfasst, und wenn die von beiden Stegen nach innen abgehenden Federarme paarweise an den Enden über eine Mittelverbindung miteinander verbunden sind. Mit besonderem Vorteil ist dabei die Mittelverbindung so ausgelegt, dass das in Steckrichtung jeweils hintere Stegelement beim Steckvorgang voreinfedert, und im voll eingesteckten Zustand eigenständig einen elektrischen Kontakt zwischen den zwei gegenüberliegenden Flächen herstellt.An increase in the density of the contact points can be achieved if the contact element has two parallel rows of carrier web longitudinally arranged one behind the other web elements, if the associated carrier tape according to two parallel extending in carrier tape longitudinal webs with each two thereof in opposite directions transversely outgoing, comprising spring arms acting as torsion springs, and when the spring arms coming in from both webs are connected in pairs at the ends via a central connection. With particular advantage, the center connection is designed so that in the direction of insertion in each case rear web element pre-springs during the insertion process, and in the fully inserted state independently establishes an electrical contact between the two opposite surfaces.
Insbesondere sind die Stegelemente beider parallelen Reihen spiegelbildlich zu einer zwischen den Reihen liegenden Mittelebene ausgebildet und angeordnet.In particular, the web elements of both parallel rows are formed and arranged in mirror image to a center plane lying between the rows.
Besonders günstig ist es, wenn die Stegelemente jeweils zwei quer zur Trägerband-Längsrichtung voneinander beabstandete Klemmfüsse aufweisen, mit denen sie am Trägerband befestigt sind, und mit denen sie eine der beiden gegenüberliegenden Flächen elektrisch kontaktieren, und wenn die Stegelemente jeweils mit den Klemmfüssen verbundene, dreieckige Kontaktflügel aufweisen, deren Flügelspitzen auf beiden Seiten und in unmittelbarer Nähe der zwischen den Reihen liegenden Mittelebene angeordnet sind und die andere der beiden gegenüberliegenden Flächen elektrisch kontaktieren.It is particularly favorable when the web elements each have two clamping feet which are spaced apart from one another transversely to the longitudinal direction of the carrier tape, with which they are fastened to the carrier tape and with which they electrically contact one of the two opposing faces, and if the web elements are connected to the clamping feet, respectively. have triangular contact blades whose vane tips are arranged on both sides and in the immediate vicinity of the intermediate plane between the rows and electrically contact the other of the two opposite surfaces.
Eine Anwendung des Kontaktelements bei einer einen Stecker und eine Buchse umfassenden Steckverbindung ist dadurch gekennzeichnet, dass das Kontaktelement in einem Einstich auf der Aussenseite des Steckers oder auf der Innenseite der Buchse derart angeordnet ist, dass die Flügelspitze in Steckrichtung hinten angeordnet ist.An application of the contact element in a plug connector and a socket comprehensive connector is characterized in that the contact element in a groove on the outside of the plug or on the Inside the sleeve is arranged such that the wing tip is arranged in the rear direction of insertion.
Wenn das Kontaktelement quer nach aussen hervorstehende Führungslaschen aufweist, ist es vorteilhafterweise mit den Führungslaschen in seitlichen Hinterschneidungen am Einstich geführt.If the contact element transversely outwardly projecting guide tabs, it is advantageously performed with the guide tabs in lateral undercuts on the groove.
Eine weitere bevorzugte Anwendung des Kontaktelementes ist dadurch gekennzeichnet, dass das Kontaktelement quer nach aussen hervorstehende Führungslaschen aufweist. Die Führungslaschen stehen dabei vorzugsweise einseitig über die Stegelemente hervor. Das Kontaktelement ist mit der Führungslasche in einer einzigen seitlichen Hinterschneidung am Einstich geführt. Die Führungslaschen sind dabei in einer Reihe angeordnet, wobei die Reihe der Führungslaschen in die Hinterschneidung einragt.Another preferred application of the contact element is characterized in that the contact element has transversely outwardly projecting guide straps. The guide tabs are preferably protruded on one side over the web elements. The contact element is guided with the guide tab in a single lateral undercut at the puncture. The guide tabs are arranged in a row, wherein the row of guide tabs protrudes into the undercut.
Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der Zeichnung näher erläutert werden. Es zeigen
- Fig. 1
- in verschiedenen Teilfiguren 1(a) bis 1(g) verschiedene Einzelheiten und Ansichten eines Kontaktelements mit nur einer Reihe von asymmetrischen Stegelementen gemäss einem ersten Ausführungsbeispiel der Erfindung;
- Fig. 2
- in verschiedenen Teilfiguren 2(a) bis 2(c) den Einbau des Kontaktelements nach
Fig. 1 mit und ohne seitliche Führungslaschen; - Fig. 3
- den Vergleich der Kontaktelemente nach
Fig. 2 mit einem Kontaktelement aus dem Stand der Technik; - Fig. 4
- in verschiedenen Teilfiguren 4(a) bis 4(g) verschiedene Einzelheiten und Ansichten eines Kontaktelements mit zwei parallelen Reihen von asymmetrischen Stegelementen gemäss einem zweiten Ausführungsbeispiel der Erfindung;
- Fig. 5
- in verschiedenen Teilfiguren 5(a) bis 5(c) den Einbau des Kontaktelements nach
Fig. 4 mit und ohne seitliche Führungslaschen; - Fig. 6
- den Vergleich der Kontaktelemente nach
Fig. 4 mit zwei Kontaktelementen aus dem Stand der Technik; - Fig. 7
- in mehreren Teilfiguren 7(a) bis 7(c) den Steckvorgang bei einer mit dem Kontaktelement nach
Fig. 4 ausgestatteten Steckverbindung, wobei das Kontaktelement auf dem Stecker angeordnet ist; - Fig. 8
- in mehreren Teilfiguren 8(a) bis 8(c) den Steckvorgang bei einer mit dem Kontaktelement nach
Fig. 4 ausgestatteten Steckverbindung, wobei das Kontaktelement in der Buchse angeordnet ist; - Fig. 9
- in zwei Teilfiguren 9(a), 9(b) den Steckvorgang bei einer mit dem Kontaktelement nach
Fig. 1 ausgestatteten Steckverbindung, wobei das Kontaktelement auf dem Stecker (9a) oder in der Buchse (9b) angeordnet ist; - Fig. 10
- die tolerierbare Winkelabweichung (α) bei einer Steckverbindung nach
Fig. 7 ; - Fig. 11
- eine Ansicht eines Kontaktelements mit nur einer Reihe von asymmetrischen Stegelementen gemäss einem dritten Ausführungsbeispiel der Erfindung;
- Fig. 12
- in zwei Teilfiguren 12(a) bis 12(b) verschiedene Einzelheiten und Ansichten eines einzubauenden bzw. eingebauten Kontaktelements in einem Stecker; und
- Fig. 13
- in zwei Teilfiguren 13(a) bis 13(b) verschiedene Einzelheiten und Ansichten eines einzubauenden bzw. eingebauten Kontaktelements in einer Buchse.
- Fig. 1
- in various sub-figures 1 (a) to 1 (g) different details and views of a contact element with only a series of asymmetric web elements according to a first embodiment of the invention;
- Fig. 2
- in different sub-figures 2 (a) to 2 (c) after the installation of the contact element according to
Fig. 1 with and without lateral guide straps; - Fig. 3
- the comparison of the contact elements after
Fig. 2 with a contact element of the prior art; - Fig. 4
- in different sub-figures 4 (a) to 4 (g) different details and views of a contact element with two parallel rows of asymmetric web elements according to a second embodiment of the invention;
- Fig. 5
- in various subfigures 5 (a) to 5 (c) after the installation of the contact element according to
Fig. 4 with and without lateral guide straps; - Fig. 6
- the comparison of the contact elements after
Fig. 4 with two contact elements of the prior art; - Fig. 7
- in several sub-figures 7 (a) to 7 (c) the mating process at one with the contact element after
Fig. 4 equipped connector, wherein the contact element is arranged on the plug; - Fig. 8
- in several sub-figures 8 (a) to 8 (c) the mating process at one with the contact element after
Fig. 4 equipped connector, wherein the contact element is arranged in the socket; - Fig. 9
- in two sub-figures 9 (a), 9 (b) the insertion process at one with the contact element after
Fig. 1 equipped connector, wherein the contact element on the plug (9a) or in the socket (9b) is arranged; - Fig. 10
- the tolerable angular deviation (α) in a plug-in connection
Fig. 7 ; - Fig. 11
- a view of a contact element with only one row of asymmetric web elements according to a third embodiment of the invention;
- Fig. 12
- in two sub-figures 12 (a) to 12 (b) different details and views of a built-in or installed contact element in a plug; and
- Fig. 13
- in two sub-figures 13 (a) to 13 (b) various details and views of a built-in or installed contact element in a socket.
In
Die Stegelemente 17, die aus einem elektrisch gut leitenden Material (z.B. Cu) bestehen und vorzugsweise oberflächenveredelt (z.B. versilbert) sind, sind zu einer in Trägerband-Längsrichtung verlaufenden Mittelebene M1 (
Die Stegelemente 17 haben jeweils einen mit den Klemmfüssen 18, 19 verbundenen, dreieckigen Kontaktflügel 20, dessen Flügelspitze 21 auf einer Seite der Mittelebene M1 angeordnet ist (
Das Federverhalten der Stegelemente wird dadurch erreicht, dass das Trägerband 11 für die Stegelemente 17 jeweils zwei von einem sich in Trägerband-Längsrichtung erstreckenden Steg 12 zu entgegengesetzten Richtungen quer abgehenden, als Torsionsfedern wirkende Federarme 13,14 aufweist, an deren freien Enden das jeweilige Stegelement 17 mit seinen Klemmfüssen 18, 19 befestigt ist. Die im entspannten Zustand leicht verdrehten Federarme 13, 14 (Höhe h1 in
Zum Aufbau des Kontaktelements 10 werden die einzelnen Stegelemente 17 (
Damit das Kontaktelement 10 am Einbauort (
Anstelle der asymmetrischen Einzel-Steg-Variante der
Beim Kontaktelement 30 sind zwei parallele Reihen von in Trägerband-Längsrichtung hintereinander angeordneten Stegelementen 36, 37 vorgesehen, die jeweils zwei quer zur Trägerband-Längsrichtung voneinander beabstandete Klemmfüsse 38, 39 bzw. 42, 43 aufweisen (
Die Stegelemente 36, 37 weisen jeweils mit den Klemmfüssen 38, 39 bzw. 42, 43 verbundene, dreieckige Kontaktflügel 20 auf, deren Flügelspitzen 40, 44 auf beiden Seiten und in unmittelbarer Nähe der zwischen den Reihen liegenden Mittelebene M3 angeordnet sind und die andere der beiden gegenüberliegenden Flächen mit jeweils einem Kontaktpunkt elektrisch kontaktieren. Vorzugsweise haben die Kontaktflügel 20 im Wesentlichen die Form eines rechtwinkligen Dreiecks, bei dem die Klemmfüsse 38, 39 bzw. 42, 43 an den Enden einer Kathete des Dreiecks angeordnet sind und die Flügelspitze 40 bzw. 44 durch die andere Kathete und die Hypothenuse des Dreiecks gebildet wird. Die Kontaktflügel 20 der beiden benachbarten Stegelemente 38, 39 sind spiegelbildlich zueinander angeordnet, wobei die Mittelebene M3 als Spiegelebene fungiert.The
Wie man in
Die Besonderheit der über das gemeinsame Trägerband 31 zusammenwirkenden Stegelemente 36, 37 beim Kontaktelement 30 der
Ein weiterer Vorteil der in die Mitte verlagerten Flügelspitzen der asymmetrischen Stegelemente wird aus
Ein Vergleich der Kontaktelemente 10 bzw. 10' mit einem bekannten Kontaktelement ST1 vom Typ LA-CU der Anmelderin in
Ein Vergleich der Kontaktelemente 30 bzw. 30' mit dem bekannten Kontaktelement ST1 vom Typ LA-CU der Anmelderin und dem aus der
Zusammenfassend kann Folgendes gesagt werden:
- Das neue Kontaktelement zur elektrischen Kontaktierung zweier leitenden metallischen Oberflächen zeichnet sich dadurch aus, dass zwei Komponenten, hergestellt aus zwei verschiedenen Werkstoffen, einzeln für mechanische und elektrische Eigenschaften verantwortlich sind. Die spezielle Geometrie des Kontaktelementes sorgt dafür, dass auf kleinem Raum sowohl elektrische Eigenschaften wie Toleranzaufnahme gegenüber bestehenden Kontaktelementen deutlich verbessert werden.
- The new contact element for electrical contacting of two conductive metallic surfaces is characterized by the fact that two components, made of two different materials, individually for mechanical and electrical properties are responsible. The special geometry of the contact element ensures that in a small space both electrical properties such as tolerance absorption compared to existing contact elements are significantly improved.
Es gibt dabei zwei Varianten des Kontaktelementes:
- Die asymmetrische Einzelsteg-Variante zeichnet sich dadurch aus, dass der obere Kontaktpunkt zum Gegenstück nicht in der Mitte der Bandbreite des Trägerbandes liegt, wodurch ein grösserer Arbeitsbereich auf kleinem Raum erzielt wird.
- Die symmetrische Zwei-Steg-Variante ist dadurch gekennzeichnet, dass zwei asymmetrische Stegelemente mit gleicher Geometrie wie bei der Einzelsteg-Variante zueinander geneigt nebeneinander auf ein federndes Band aufgebracht sind, dass die beiden oberen Kontaktpunkte zum Gegenstück in der Mitte der Bandbreite des Trägerbandes liegen, und dass beide Stegelemente einzeln federn und sich durch Kopplung über die Mittelverbindung gleichzeitig stark genug beeinflussen, um eine harmonische Einfederung von der Seite (Stecken) zu gewährleisten.
- The asymmetrical single web variant is characterized in that the upper contact point to the counterpart is not in the middle of the bandwidth of the carrier tape, whereby a larger work area is achieved in a small space.
- The symmetrical two-bridge variant is characterized in that two asymmetrical web elements are applied with the same geometry as in the single web variant inclined to each other next to each other on a resilient band, that the two upper contact points are the counterpart in the middle of the bandwidth of the carrier tape, and that both web elements spring individually and at the same time strongly influence by coupling over the central connection strong enough to ensure a harmonious deflection from the side (plug).
Das neue Kontaktelement zeichnet sich durch folgende charakteristische Eigenschaften und Vorteile aus.
- Optimierte mechanische und elektrische Eigenschaften durch Auftrennung in federndes Trägerband und leitendes Stegelement.
- Kleines Raster durch ausgeklügelte, stapelbare Geometrie der Stegelemente bzw. Kontaktbügel.
- Vernünftig grosser Arbeitsbereich zum Ausgleich grosser Toleranzen und Winkelabweichungen.
- Bei der Zwei-Steg-Variante erlauben die beiden zueinander geneigten Stegelemente eine noch grössere Winkelabweichung als bei zwei Elementen der Einzel-Steg-Variante.
- Optimiertes Verhältnis zwischen Arbeitsbereich und Breite.
- Dreipunktkontaktierung (zwei Kontaktpunkte unten, einer oben) auf jedem Einzel-Stegelement.
- Geringe Breite dank mittigem Drehgelenk.
- Stark erhöhte Stromdichte, besonders bei der Zwei-Steg-Variante.
- Verbesserte Einbaumöglichkeiten.
- Einbau in Buchsen und Stecker möglich.
- Das Anbringen des oberen Kontaktpunkts zum Gegenstück an der einen Seite (anstatt in der Mitte) des Stegelements bzw. Kontaktbügels erhöht den Arbeitsbereich bei geringerer Breite. Dadurch optimiertes Verhältnis zwischen Arbeitsbereich und Breite bei unveränderter Steilheit des Kontaktsteges.
- Die Geometrie der Stegelemente bzw. Kontaktbügel erlaubt ein Stapeln derselben. Dadurch ist ein kleineres Raster möglich.
- Bei der Zwei-Steg-Variante erlauben die beiden Kontaktpunkte in der Mitte der Bandbreite eine optimierte Winkeltoleranz-Aufnahme.
- Bei der Zwei-Steg-Variante sorgt die Mittelverbindung der beiden Drehgelenke dafür, dass das zweite Stegelement beim Einfedervorgang von einer Seite (Stecken) vom ersten Stegelement vor-eingefedert wird. Dadurch ist ein harmonischer, ruckelfreier Steckvorgang gewährleistet.
- Gleichzeitig sind bei der Zwei-Steg-Variante beide Stegelemente unabhängig genug, um zwei obere Kontaktpunkte zu garantieren. Dadurch wird die Kontakt- und somit Stromdichte stark erhöht.
- Optimized mechanical and electrical properties by separation into resilient carrier tape and conductive web element.
- Small grid through ingenious, stackable geometry of the web elements or contact clip.
- Reasonably large work area to compensate for large tolerances and angular deviations.
- In the case of the two-bar variant, the two bar elements which are inclined to one another allow an even greater angular deviation than with two elements of the single bar variant.
- Optimized ratio between working area and width.
- Three point contact (two contact points at the bottom, one at the top) on each single web element.
- Small width thanks to central pivot.
- Greatly increased current density, especially in the two-bridge variant.
- Improved installation options.
- Installation in sockets and plugs possible.
- Attaching the upper contact point to the counterpart on one side (rather than in the middle) of the stirrup increases the working area at a smaller width. This optimized ratio between working area and width with unchanged steepness of the contact bar.
- The geometry of the web elements or contact clip allows stacking the same. This makes a smaller grid possible.
- In the two-bar variant, the two contact points in the middle of the bandwidth allow an optimized angle tolerance recording.
- In the two-bar variant, the central connection of the two rotary joints ensures that the second bar element is pre-spring-loaded from one side (plug-in) of the first bar element during the spring-deflection process. This ensures a harmonious, smooth insertion process.
- At the same time, with the two-bar version, both bar elements are independent enough to guarantee two upper contact points. As a result, the contact and thus current density is greatly increased.
Eine dritte Ausführungsform eines Kontaktelementes, für welches die oben genannten Vorteile weiterhin gelten, wird in der
Das in
Das Kontaktelement 100 umfasst demnach ein sich in einer Längsrichtung erstreckendes, federelastisches Trägerband 111 und eine Mehrzahl von in Trägerband-Längsrichtung hintereinander angeordneten, am Trägerband senkrecht zur Trägerband-Ebene einfedemd befestigten Stegelementen 117 zur Vermittlung des elektrischen Kontakts zwischen zwei gegenüberliegenden Flächen. Vorzugsweise ist am freien Ende eines einzigen Federarmes 113 eine Führungslasche 115 angeformt, welche über einen Klemmfuss 118 des Stegelementes 117 vorzugsweise einseitig seitlich hinaus steht.The
Die einseitig angeformte Führungslasche 115 kann mit den beschriebenen Merkmalen, eine von den anderen genannten Merkmalen (insbesondere von der asymmetrischen Ausbildung der Stegelemente) unabhängige Erfindung darstellen.The one-sided
Alternativ kann auch gesagt werden, dass beim dritten Ausführungsbeispiel die Länge der Führungslaschen 115 unterschiedlich zur Länge der Führungslaschen der vorhergehenden Ausführungsbeispiele ist. Die Führungslaschen 115 sind wie oben dargelegt an den freien Enden der Federarme angeformt. Die Führungslaschen 115, welche von einer ersten Seite vom Trägerband 111 abstehen, sind dabei länger ausgestaltet als die Führungslaschen, welche von einer zweite Seite vom Trägerband 111 abstehen. Die erste Seite ist beispielsweise die Seite, welche rechts von der Mittelachse M des Trägerbandes 111 ist, wobei in diesem Fall dann die zweite Seite die Seite ist, welche links von der Mittelachse M ist.Alternatively, it can also be said that in the third embodiment, the length of the
Vorzugsweise werden die Stegelemente 117 derart auf dem Trägerband 111 angeordnet, dass die Schräge 122 der längeren Führungslasche 115 zugewandt ist, und dass die Flügelspitze 121 der kürzeren Führungslasche zugewandt ist. Das heisst mit anderen Worten, dass die längere Führungslasche 115 auf der Seite der Schräge 122 über die Breite B des Stegelementes 117 im wesentlichen senkrecht zur Mittelachse M hervorsteht. Mit anderen Worten kann auch gesagt werden, dass sich die am freien Ende des Federarmes 113 angeformte Führungslasche 115 seitlich hinausstehend über den Klemmfuss 118 erstreckt.Preferably, the
Alternativ können die Stegelemente 117 auch umgekehrt angeordnet werden, so dass die längere Führungslasche 115 auf der Seite der Flügelspitze 121 hervorsteht.Alternatively, the
Die kürzere Führungslasche ist bezüglich ihrer Länge vorzugsweise derart ausgestaltet, dass diese nicht über die Breite B der Stegelemente 117 hervorsteht. Alternativ kann auch auf die Anordnung der kürzeren Führungslasche verzichtet werden oder die kürzere Führungslasche 115 kann eine Länge aufweisen, dass sich diese über die Breite B der Stegelemente 117 erstreckt. Im letzteren Fall würde sich die Führungslasche demnach auf beide Seiten erstrecken.The shorter guide plate is preferably designed with respect to its length such that it does not protrude beyond the width B of the
In einer allgemeinen Form kann gesagt werden, dass die längere Führungslasche auf mindestens einer Seite des Kontaktelementes über die Breite B des Stegelementes 117 hervorsteht. Dadurch wird die maximale Breite des Kontaktelementes 100 um die hervorstehende Länge L des längeren Führungselementes 115 vergrössert. Die maximale Breite des Kontaktelementes setzt sich demnach aus der Breite B des Stegelementes 117 und der hervorstehenden Länge L des Führungselementes 115 zusammen.In a general form, it can be said that the longer guide tab projects beyond the width B of the
In den
Das heisst in einer allgemeinen Formulierung, dass das Kontaktelement 100 eine quer nach aussen hervorstehende Führungslasche 115 aufweist, wobei die Führungslasche 115 über das Stegelement 117 insbesondere einseitig hervorsteht, und wobei das Kontaktelement 100 mit der Führungslasche 115 in einer einzigen seitlichen Hinterschneidung 129 im Einstich 128 geführt ist. Das Kontaktelement 100 liegt dabei im Einstich 128, wobei die Führungslasche 115 in die Hinterschneidung 129 ragt.This means, in a general formulation, that the
In den
Ferner weist der Einstich 128 nur eine Hinterschneidung 129 auf, welche sich in eine der Seitenwände 1280, 1281 erstreckt. Die Hinterschneidung 129 ist somit einseitig am Einstich 128 angeordnet. Im vorliegenden Ausführungsbeispiel erstreckt sich die Hinterschneidung 129 in die zweite Seitenwand 1281. Die Hinterschneidung wird dabei derart angeordnet, dass sich diese in Richtung der Auflagefläche 1282 in die entsprechende Seitenwand 1280, 1281 erstreckt, wobei die Hinterschneidung 129 vorteilhafter im wesentlichen fluchtend mit der Auflagefläche 1282 ist. Die Hinterschneidung 129 weist von der Seitenwand her gesehen eine Tiefe T auf. Vorzugsweise entspricht die Tiefe T etwa der Länge L des hervorstehenden Teils der Führungslaschen 115. Aufgrund der Anordnung der Hinterschneidung 129 kann die resultierende Nut auch als L-förmig bezeichnet werden.Furthermore, the
In der
Ebenfalls in der
Im Hinblick auf die
Ein erster Vorteil des beschriebenen Einstiches 128 mit Hinterschneidung 129 ist die Tatsache, dass das Kontaktelement 100 durch seine Eigenspannung und durch die Führungslasche 115 im Einstich mechanisch gehalten werden kann. Der erfindungsgemässe Einstich 128 mit Hinterschneidung 129 bzw. die L-förmige Nut ist besonders vorteilhaft, denn es muss keine Einführstrecke vorgesehen werden, durch welche das Kontaktelement in die Nut eingeführt werden kann. Dadurch kann die Herstellung der Nut zur Aufnahme des Kontaktelementes 100 wesentlich einfacher und somit schneller und kostengünstiger ausgeführt werden. Ferner ist das Einbringen des Kontaktelementes 100 einfacher, als bei anderen Nuten. Im weiteren kann auch auf Sicherungselemente, wie Sicherungsringe etc., verzichtet werden.A first advantage of the described
Alternativ zur oben beschriebenen Ausführungsform, bei welcher der Einstich 128 mit einer Hinterschneidung 129 an einem zylindrischen Stecker gezeigt wurde, kann der erfindungsgemässe Einstich 128 mit Hinterschneidung 129 auch bei anderen Elementen eingesetzt werden.As an alternative to the embodiment described above, in which the
Die
In weiteren Ausführungsformen ist es zudem denkbar, dass die L-förmige Nut, also der Einstich 128 mit der Hinterschneidung 129, nicht nur in einer zylindrischen Oberfläche, sondern auch in einer ebenen Oberfläche angeordnet werden kann.In further embodiments, it is also conceivable that the L-shaped groove, so the
In einem weiteren Ausführungsbeispiel ist es beispielsweise denkbar, die in
- 10, 10', 10010, 10 ', 100
- Kontaktelement (Kontaktlamelle)Contact element (contact lamella)
- 11,31, 11111:31, 111
- Trägerbandcarrier tape
- 12, 11212, 112
- Stegweb
- 13,14, 113, 11413:14, 113, 114
- Federarmspring arm
- 15, 11515, 115
- Führungslascheguide tab
- 1616
- Lochhole
- 17, 11717, 117
- Stegelementweb element
- 18, 19, 118, 11918, 19, 118, 119
- Klemmfussclamping foot
- 20, 12020, 120
- KontaktflügelContact wings
- 21,40,44, 12121,40,44, 121
- Flügelspitzepinion
- 22,41,45, 12222,41,45, 122
- Schrägeslope
- 23, 12323, 123
- KontaktlascheContact tab
- 2424
- Biegungbend
- 2525
- Rundungcurve
- 26, 12626, 126
- BuchseRifle
- 12611261
- Oberfläche der BuchseSurface of the socket
- 27, 12727, 127
- Steckerplug
- 12711271
- Oberfläche des SteckersSurface of the plug
- 28, 12828, 128
- Einstichpuncture
- 12801280
- erste Seitenwandfirst sidewall
- 12811281
- zweite Seitenwandsecond side wall
- 12821282
- Auflageflächebearing surface
- 29, 12929, 129
- Hinterschneidungundercut
- 30,30'30.30 '
- Kontaktelement (Kontaktlamelle)Contact element (contact lamella)
- 32,32'32.32 '
- Stegweb
- 3333
- Mittelverbindungmedium connection
- 34,34'34.34 '
- Federarmspring arm
- 35,35'35.35 '
- Federarmspring arm
- 36,3736.37
- Stegelementweb element
- 38,3938.39
- Klemmfussclamping foot
- 42,4342.43
- Klemmfussclamping foot
- 4646
- BuchseRifle
- 4747
- Steckerplug
- 48,4948.49
- Rundungcurve
- αα
- Winkelangle
- h1,..,h3h1, .., h3
- Höheheight
- M1,M2,M3M1, M2, M3
- Mittelebene (Stegelemente)Middle plane (web elements)
- ST1,ST2ST1, ST2
- Stand der TechnikState of the art
Claims (15)
- A contact element (10, 10'; 30, 30'; 100) having a spring-elastic carrier strip (11, 31, 111), which extends in a longitudinal direction, and a plurality of web elements (17; 36, 37, 117), which are arranged one behind the other in the longitudinal direction of the carrier strip and are attached to the carrier strip (11, 31, 111) resiliently compressable in a direction perpendicular to the plane of the carrier strip, for establishing electrical contact between two opposite surfaces (26, 27; 46, 47, 1261, 1271), characterized in that the web elements (17; 36, 37, 117) are formed in an asymmetrical manner relative to a center plane (M1, M2) which runs in the longitudinal direction of the carrier strip, in that the web elements comprise contact fins (20, 120), which have the shape of a triangle, wherein the contact fins are in connection with the carrier strip, that said triangle is an essentially right-angled triangle, and that said triangle is connected to the carrier strip via clamping feet (18, 19; 38, 39; 42, 43, 118, 119).
- The contact element as claimed in claim 1, characterized in that the web elements (17; 36, 37, 117) each have two clamping feet (18, 19; 38, 39; 42, 43, 118, 119) which are spaced apart from one another transverse to the longitudinal direction of the carrier strip and by means of which said web elements are attached to the carrier strip (11, 31, 111), and by means of which said web elements make electrical contact with one of the two opposite surfaces (26, 27; 46, 47, 1261, 1271), and in that the web elements (17; 36, 37, 117) each have a triangular contact fin (20, 120) which is connected to the clamping feet (18, 19; 38, 39; 42, 43, 118, 119) and of which the fin tip (21; 40, 44, 121) is arranged on one side of the center plane (M1, M2) and makes electrical contact with the other of the two opposite surfaces (26, 27; 46, 47, 1261, 1271).
- The contact element as claimed in one of the preceding claims, characterized in that the carrier strip (11, 31, 111) for the web elements (17; 36, 37, 117) which are arranged one behind the other in the longitudinal direction of the carrier strip has, in each case, two spring arms (13, 14; 34, 34', 35, 35', 113, 114) which project transverse to opposite directions from a web (12; 32, 32', 112) which extends in the longitudinal direction of the carrier strip, and which act as torsion springs, and which have attached to their free ends the respective web element (17; 36, 37, 117) by means of its clamping feet (18, 19; 38, 39; 42, 43, 118, 119), and in that the web elements (17; 36, 37, 117) which are arranged one behind the other in the longitudinal direction of the carrier strip are arranged so as to overlap.
- The contact element as claimed in one of the preceding claims, characterized in that the contact fins (20, 120) essentially have the shape of a right-angled triangle in which the contact feet (18, 19; 38, 39; 42, 43, 118, 119) are arranged at the ends of one leg, and the fin tip (21; 40, 44, 121) is formed by the other leg and the hypotenuse, and/or in that, in the region of the clamping feet (18, 19; 38, 39; 42, 43, 118, 119), the web elements (17; 36, 37, 117) in each case surround the carrier strip (11, 31, 111) or the spring arms (13, 14; 34, 34', 35, 35', 113, 114), respectively, by way of a contact lug (23, 123) in a clamping manner.
- The contact element as claimed in claim 4, characterized in that, in addition to the clamping-type attachment of the web elements (17; 36, 37, 117) to the carrier strip (11, 31, 111) or the spring arms (13, 14; 34, 34', 35, 35', 113, 114), respectively, an interlocking connection is provided between the carrier strip (11, 31, 111) or the spring arms (13, 14; 34, 34', 35, 35', 113, 114), respectively, and the clamping feet (18, 19; 38, 39; 42, 43, 118, 119).
- The contact element as claimed in claim 5, that in order to establish the interlocking connection, holes (16) are made in the carrier strip (11, 31, 111) or the spring arms (13, 14; 34, 34', 35, 35', 113, 114), respectively, the clamping feet (18, 19; 38, 39; 42, 43, 118, 119) engaging in said holes by way of a corresponding embossment.
- The contact element as claimed in one of the preceding claims, characterized in that guide lugs (15) which protrude laterally beyond the clamping feet (18, 19; 39; 43) are integrally formed at the free ends of the spring arms (13, 14; 34, 35) or in that a guide lug (15, 115) is integrally formed at the free end of a spring arm (13, 14; 34, 35, 113, 114), said guide lug protruding laterally beyond a clamping foot (18, 19; 38, 39; 42, 43; 118, 119), preferably only on one side.
- The contact element as claimed in one of claims 1 to 7, characterized in that the contact element (10, 100) has only one row of web elements (17, 117) which are arranged one behind the other in the longitudinal direction of the carrier strip, and the associated carrier strip (11, 111) correspondingly comprises only one web (12, 112) which extends in the longitudinal direction of the carrier strip and runs in the center of the carrier strip (11, 111), having two spring arms (13, 14, 113, 114) which project transversely in opposite directions and act as torsion springs.
- The contact element as claimed in one of claims 1 to 6, characterized in that the contact element (30) has two parallel rows of web elements (36, 37) which are arranged one behind the other in the longitudinal direction of the carrier strip, in that the associated carrier strip (31) correspondingly comprises two webs (32, 32') which extend in parallel in the longitudinal direction of the carrier strip and in each case have two spring arms (34, 34'; 35, 35') which project from said webs transversely in opposite directions and act as torsion springs, and in that the spring arms (34', 35') which project inward from the two webs (32, 32') are connected to one another in pairs at the ends by means of a central connection (33).
- The contact element as claimed in claim 9, characterized in that the central connection (33) is designed such that the web element (36) which is in each case at the rear in the plugging direction is resiliently precompressed during the plugging process and independently establishes electrical contact between the two opposite surfaces (26, 27; 46, 47) in the fully plugged-in state.
- The contact element as claimed in claim 10, characterized in that the web elements (36, 37) of the two parallel rows are designed and arranged so as to form a mirror image with respect to a center plane (M3) which is situated between the rows.
- The contact element as claimed in claim 11, characterized in that the web elements (36, 37) each have two clamping feet (38, 39; 42, 43) which are spaced apart from one another transverse to the longitudinal direction of the carrier strip and by means of which said web elements are attached to the carrier strip (31), and by means of which said web elements make electrical contact with one of the two opposite surfaces (26, 27; 46, 47), and in that the web elements (36, 37) each have triangular contact fins (20) which are connected to the clamping feet (38, 39; 42, 43) and of which the fin tips (40, 44) are arranged on both sides and in the immediate vicinity of the center plane (M3) which is situated between the rows and make electrical contact with the other of the two opposite surfaces (26, 27; 46, 47).
- The use of a contact element as claimed in claims 1 and 8 in a plug connection which comprises a plug (27, 47, 127) and a socket (26, 46, 126), characterized in that the contact element (10, 10', 100) is arranged in a recess (28, 128) on the outside of the plug (27, 127) or on the inside of the socket (46, 126) in such a way that the fin tip (21, 121) is arranged at the rear in the plugging direction.
- The use of a contact element as claimed in one of claims 9 to 12, characterized in that the contact element (30, 30', 100) is arranged in a recess (28, 128) on the outside of the plug (27, 127) or on the inside of the socket (46, 126).
- The use as claimed in claim 13 or 14, characterized in that the contact element (10, 30, 100) has guide lugs (15, 115) which protrude transversely outward, and is guided in lateral undercuts (29, 129) in the recess (28, 128) by the guide lugs (15, 115) or in that the contact element (10, 30, 30', 100) has guide lugs (15, 115) which protrude transversely outward, wherein the guide lugs (15, 115) protrude beyond the web element (17; 36, 37; 117), in particular on one side, and wherein the contact element (10, 30, 100) is guided in a single lateral undercut (129) in the recess (28, 128) by the guide lugs (15, 115).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1672007 | 2007-01-31 | ||
US94365007P | 2007-06-13 | 2007-06-13 | |
EP07720210.9A EP2115820B1 (en) | 2007-01-31 | 2007-06-22 | Contact element and use of such a contact element in a plug connection |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07720210.9A Division-Into EP2115820B1 (en) | 2007-01-31 | 2007-06-22 | Contact element and use of such a contact element in a plug connection |
EP07720210.9A Division EP2115820B1 (en) | 2007-01-31 | 2007-06-22 | Contact element and use of such a contact element in a plug connection |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2966731A1 EP2966731A1 (en) | 2016-01-13 |
EP2966731B1 true EP2966731B1 (en) | 2017-05-10 |
Family
ID=38017176
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15181912.5A Active EP2966731B1 (en) | 2007-01-31 | 2007-06-22 | Contact element and application of such a contact element in a plug-in connection |
EP07720210.9A Active EP2115820B1 (en) | 2007-01-31 | 2007-06-22 | Contact element and use of such a contact element in a plug connection |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07720210.9A Active EP2115820B1 (en) | 2007-01-31 | 2007-06-22 | Contact element and use of such a contact element in a plug connection |
Country Status (11)
Country | Link |
---|---|
US (1) | US8057269B2 (en) |
EP (2) | EP2966731B1 (en) |
JP (1) | JP5073761B2 (en) |
KR (1) | KR101335398B1 (en) |
CN (2) | CN102610947B (en) |
BR (1) | BRPI0720805A2 (en) |
CA (1) | CA2673680C (en) |
MX (1) | MX2009006832A (en) |
RU (1) | RU2422957C2 (en) |
WO (1) | WO2008092284A1 (en) |
ZA (1) | ZA200905620B (en) |
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2007
- 2007-06-22 CN CN201210057402.6A patent/CN102610947B/en active Active
- 2007-06-22 JP JP2009547509A patent/JP5073761B2/en active Active
- 2007-06-22 EP EP15181912.5A patent/EP2966731B1/en active Active
- 2007-06-22 US US12/525,134 patent/US8057269B2/en active Active
- 2007-06-22 EP EP07720210.9A patent/EP2115820B1/en active Active
- 2007-06-22 ZA ZA200905620A patent/ZA200905620B/en unknown
- 2007-06-22 RU RU2009132184/07A patent/RU2422957C2/en active
- 2007-06-22 CA CA2673680A patent/CA2673680C/en active Active
- 2007-06-22 WO PCT/CH2007/000313 patent/WO2008092284A1/en active Application Filing
- 2007-06-22 MX MX2009006832A patent/MX2009006832A/en active IP Right Grant
- 2007-06-22 KR KR1020097014383A patent/KR101335398B1/en active IP Right Grant
- 2007-06-22 CN CN2007800500496A patent/CN101584087B/en active Active
- 2007-06-22 BR BRPI0720805-7A patent/BRPI0720805A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
MX2009006832A (en) | 2009-08-13 |
CA2673680A1 (en) | 2008-08-07 |
JP2010517243A (en) | 2010-05-20 |
KR20090106514A (en) | 2009-10-09 |
RU2422957C2 (en) | 2011-06-27 |
ZA200905620B (en) | 2010-10-27 |
EP2115820B1 (en) | 2015-09-30 |
JP5073761B2 (en) | 2012-11-14 |
US8057269B2 (en) | 2011-11-15 |
KR101335398B1 (en) | 2013-12-02 |
BRPI0720805A2 (en) | 2013-03-19 |
EP2115820A1 (en) | 2009-11-11 |
WO2008092284A1 (en) | 2008-08-07 |
CN102610947B (en) | 2015-04-08 |
US20100093230A1 (en) | 2010-04-15 |
CN101584087A (en) | 2009-11-18 |
EP2966731A1 (en) | 2016-01-13 |
CN102610947A (en) | 2012-07-25 |
CN101584087B (en) | 2012-05-23 |
RU2009132184A (en) | 2011-03-10 |
CA2673680C (en) | 2015-06-23 |
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