EP2144334B1 - Spring contact crimp holder - Google Patents
Spring contact crimp holder Download PDFInfo
- Publication number
- EP2144334B1 EP2144334B1 EP09006655.6A EP09006655A EP2144334B1 EP 2144334 B1 EP2144334 B1 EP 2144334B1 EP 09006655 A EP09006655 A EP 09006655A EP 2144334 B1 EP2144334 B1 EP 2144334B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- recesses
- crimp
- holder
- passage
- crimp holder
- 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
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
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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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/28—End pieces consisting of a ferrule or sleeve
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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
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
- H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
Definitions
- the invention particularly relates to a resilient crimp holder according to the invention described herein.
- tubular contact types are known in the art.
- a tubular contact or a method for producing a tubular end piece also known as RADSOK contact disclosed.
- the object is to attach to the contact a connection usually or preferably in the form of a crimp connection.
- pipe materials for producing such cylindrical radially symmetric contact types there are different approaches in the use of pipe materials for producing such cylindrical radially symmetric contact types.
- the materials required for the connection area can not be chosen arbitrarily, but are determined by the contact material, ie the band material of the contact type.
- the contact material ie the band material of the contact type.
- a first material having desired material properties can be selected for the crimp holder, and a second material independent thereof can be used for the cylindrical contact.
- Object of the present invention is therefore to intercept the said production-related tolerances, on the one hand occur in the Crimphalter itself and on the other hand due to the reasons mentioned above by the manufacturing tolerances of the pipe materials intercept.
- the object is achieved with the features of the characterizing part of claim 1.
- the 0.2% proof stress is defined as the tensile stress at which, after relief, a plastic deformation of 0.2% is maintained, that is, a plastic strain remains.
- the diagram below also indicates how, in principle, the elongation, in particular the disproportionate elongation, behaves without the traction force having to increase significantly.
- the tolerance range of 0 to 0.2% strain limit causes the aforementioned high press-in forces and therefore brings about significantly high voltages, it is an object of the present invention to provide a geometric design of the Crimphalters, which the disadvantages of this high train , - and presses forces and associated voltages bypasses.
- the crimp holder according to the invention is therefore designed so that the cross section of a known in the prior art Crimphalters is weakened, preferably by recess defined sizes, such as recesses or thinning in the region of the passage of the Crimphalters.
- the crimp holder has a ring section with a thickness D and a height H and a circumference U.
- the height H and thickness D define the solid cross-sectional area or the cross-sectional area A of the ring section. If you were to unwind the ring section, you would get a sample of length U with a cross-sectional area A.
- the cross-section A is weakened at different locations, for example by reducing the thickness D at several points different or equal lengths L, it follows at a longitudinal extension by the length .DELTA.X at the same tensile force an extension of an elastic in a plastic deformation, which would not occur at a reduced cross-section, with comparable extension by the length .DELTA.X.
- the crimping holder according to the invention is to be provided in the region of the ring sections 6 with defined material recesses or thinning or recesses such that the resulting geometry has a cross-sectional area A in which a plastic deformation automatically occurs when a crimping holder is stretched by the distance ⁇ X.
- the ring portion is provided at the passage at a plurality of spaced locations with suitable slots or gaps so that the passage in the region of the ring portion receives a total reduction in cross-section.
- breakthroughs or material dilutions in the region of the passage flanges can be arranged, which also result in the press-in the ring section due to the smaller cross-section and the ratio of the maximum tensile force to the voltage cross section, ie the ratio of force to cross section, in a different relationship .
- the plastic deformation is distributed over the areas in which the crimp holder holds such material tapers.
- Another object of the present invention is therefore to provide a Crimphalter with a passage in such a way that problems with Einpress previously be avoided.
- the Crimphalter invention is characterized in that it can be easily produced in mass production from a stamped / bent part and can be formed without much additional expense in different variations.
- Fig. 1 a shows a first embodiment of a crimp holder 1, formed from a base plate 5, which is indicated in the right part, the crimp 4 connects, which is formed integrally with the base plate 5.
- the base plate 5 is provided in its left region with an opening 2 for receiving or for connecting a tubular contact piece.
- the opening 2 is formed as a passage 3 and therefore forms in the base plate 5 a ring portion 6 in the form of a pot 7, which, however, is opened on both sides through the opening 2.
- the ring section 6 has a passage flank 8 which forms a radius towards the ring section 6 in the region of the base plate 5.
- the passage 3 is formed so that at its in the Fig. 1a above-mentioned opening a defined diameter D1 is formed.
- the diameter is matched to the diameter of the tubular contact body to be accommodated therein or the tubular contact sleeve to be accommodated therein.
- a plurality of slots 10 on the clockwise positions 3, 6,9 and 12 are arranged.
- the slots extend over the entire height of the ring portion 6 approximately to the area where the trailing edge 8 is located.
- the width and depth of the slot determines the spring characteristics of the passage 3 of the crimp holder 1.
- the number and the width of the slots can be adjusted radially circumferentially depending on the tubular body or the tubular contact.
- a second embodiment of the invention is shown.
- the basic structure of the crimp holder 1 corresponds to that of the first embodiment.
- the embodiments of the recesses 9 in the region of the annular section 6 are different here.
- impressions 11, as shown here can be arranged in the outer region of the annular section 6.
- Fig. 3 a further embodiment of the invention is shown. Particularly in the area of the pull-through flank 8, due to the deformation during the formation of the pull-through 3, high forming forces occur, which serve to solidify the material and thus the Crimphalters lead and negatively affect the spring properties. Therefore, according to the present invention, the solution of the above-described object in this embodiment is provided by the fact that a plurality of openings 12, in particular holes 12, are arranged circumferentially in the region of the pull-through flank 8. Due to the concrete material weakening in this area, the spring properties of the passage and thus of the crimp holder 1 are also positively influenced.
- Fig. 4 shows a further embodiment of the present invention by the ring portion 6 is formed by recesses 9 inside.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Installation Of Indoor Wiring (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Clamps And Clips (AREA)
Description
Die Erfindung betrifft einen Crimphalter zur Verbindung mit einem rohrförmigen beziehungsweise zylinderförmigen Kontaktteil gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a crimp holder for connection to a tubular or cylindrical contact part according to the preamble of
Die Erfindung betrifft insbesondere einen federnden Crimphalter, gemäß der hier beschriebenen Erfindung.The invention particularly relates to a resilient crimp holder according to the invention described herein.
Im Stand der Technik sind eine Reihe von rohrförmigen Kontakttypen bekannt. Insbesondere ist aus der
Im Stand der Technik gibt es unter anderem mehrere Lösungen, den Kontakt einstückig mit dem Crimphalter herzustellen. Aus der
Aus der
Nachteilig dabei ist, dass einerseits die für den Anschlussbereich notwendigen Materialien nicht beliebig gewählt werden können, sondern vom Kontaktmaterial, also vom Bandmaterial des Kontakttyps bestimmt werden. Es hat sich jedoch als Vorteilhaft erwiesen, um auf die unterschiedlichen geometrischen Anforderungen und Applikationsbedingungen eingehen zu können, einen gattungsgemäßen Kontakt getrennt von dem Crimphalter herzustellen. Insofern kann beispielsweise für den Crimphalter ein erstes Material mit gewünschten Materialeigenschaften gewählt werden und für den zylindrischen Kontakt ein zweites davon unabhängiges Material verwendet werden.A disadvantage is that on the one hand, the materials required for the connection area can not be chosen arbitrarily, but are determined by the contact material, ie the band material of the contact type. However, it has proven to be advantageous to be able to respond to the different geometric requirements and application conditions to produce a generic contact separately from the crimp holder. In this respect, for example, a first material having desired material properties can be selected for the crimp holder, and a second material independent thereof can be used for the cylindrical contact.
Im Stand der Technik ist weiterhin bekannt, dass solche Kontakte beziehungsweise die Hülse der Kontakte aus einem Standard-Rohrmaterial gefertigt werden, welches fertigungsbedingten Toleranzen unterliegt. Die Toleranzbereiche, welche im Bereich der Rohrfertigung auftreten und die damit verbundenen Durchmesserschwankungen solcher Rohre, führen bei der Fertigung der zuvor genannten Kontaktsysteme zu Fertigungsproblemen. Einerseits lassen sich Crimphalter überhaupt nicht an dem Zylinderrohr oder dem rohrförmigen Kontakt befestigen, weil der Durchmesser deutlich zu gering ausgebildet ist und andererseits kann es dazu kommen, dass der Durchmesser so groß ausgebildet ist, dass es überhaupt nicht zu einer festen Verbindung zwischen den zylinderförmigen beziehungsweise rohrförmigen Kontakt und dem Crimphalter kommt.In the prior art is also known that such contacts or the sleeve of the contacts are made of a standard pipe material, which is subject to manufacturing tolerances. The tolerance ranges, which occur in the field of pipe production and the associated diameter variations of such pipes, lead to manufacturing problems in the production of the aforementioned contact systems. On the one hand, crimp holders can not be attached to the cylinder tube or the tubular contact at all, because the diameter is clearly too small and on the other hand it can happen that the diameter is so large that it is not at all a firm connection between the cylindrical or tubular contact and the crimp holder comes.
Aus der
Zusätzlicher Nachteil einer solchen Anordnung besteht in der aufwendigen Fertigung solcher Kontakthülsen, die nicht wie in der vorliegenden Erfindung aus handelsüblichen Rohrmaterialien hergestellt werden kann, beziehungsweise mindestens einen weiteren Verfahrensschritt zum Herstellen benötigen.An additional disadvantage of such an arrangement is the costly production of such contact sleeves, which can not be made as in the present invention from commercially available pipe materials, or at least require a further process step for manufacturing.
Aufgabe der vorliegenden Erfindung ist es daher, die besagten fertigungsbedingten Toleranzen, die einerseits im Crimphalter selbst auftreten und andererseits bedingt durch die zuvor genannten Gründe durch die Herstellungstoleranzen der Rohrmaterialien auftreten, abzufangen. Die Aufgabe wird mit den Merkmalen des kennzeichnenden Teils des Anspruchs 1 gelöst.Object of the present invention is therefore to intercept the said production-related tolerances, on the one hand occur in the Crimphalter itself and on the other hand due to the reasons mentioned above by the manufacturing tolerances of the pipe materials intercept. The object is achieved with the features of the characterizing part of
Weiterer Nachteil der am Markt erhältlichen Crimphalter ist das Problem der Einpresskräfte. Das Verhalten metallischer Werkstoffe in Bezug auf Zugversuche und ihre Zugfestigkeit ist allgemein bekannt. Im folgenden wird die Zugfestigkeit mit Rm angegeben. Rp bezeichnet, wie üblich, die Streckgrenze des betreffenden Materials und Rp02 die 0,2 % Dehnungsgrenze. Betrachtet man das Verhalten eines Probenteils mit einem definierten Querschnitt und betrachtet den Kurvenverlauf der Zugfestigkeit, so ist bekannt, dass ab der Streckgrenze die Zugspannung bei zunehmender Zugkraft eine überproportionale Dehnung bewirkt. Allerdings bleibt nach Entlastung eine plastische Dehnung erhalten. Unterhalb der Streckgrenze Rp verläuft die Kurve extrem steil, so dass bei einer zusätzlichen Dehnung beziehungsweise Streckung, die Kräfte und damit die Zugkräfte im wesentlichen proportional, allerdings in einem elastischen Bereich, ansteigen. Wie bekannt, sind bei höheren Festigleiten die Werte für die Streckgrenze Rp schwer bestimmbar. Man definiert daher die 0,2 % Dehngrenze als die Zugspannung, ab der nach einer Entlastung gerade eine plastische Verformung von 0,2 % erhalten bleibt, sprich eine plastische Dehnung zurück bleibt.Another disadvantage of the crimp holder available on the market is the problem of press-fit forces. The behavior of metallic materials with respect to tensile tests and their tensile strength is well known. In the following, the tensile strength is given by Rm. Rp denotes, as usual, the yield strength of the material in question and Rp02 the 0.2% elongation limit. Considering the behavior of a sample part with a defined cross-section and considering the curve of the tensile strength, it is known that the tensile stress causes a disproportionate strain with increasing tensile force from the yield point. However, a plastic strain remains after relief. Below the yield strength Rp, the curve is extremely steep, so that with an additional elongation or extension, the forces and thus the tensile forces increase substantially proportionally, but in an elastic range. As is known, the values for the yield strength Rp are difficult to determine at higher levels of solidification. Therefore, the 0.2% proof stress is defined as the tensile stress at which, after relief, a plastic deformation of 0.2% is maintained, that is, a plastic strain remains.
Werden Crimphalter auf Kontakthülsen, insbesondere auf zylindrische Kontakthülsen aufgepresst, steigen je nach Toleranzsituation im elastischen Bereich die Einpresskräfte exponentiell an und dies kann dazu führen, dass der Durchzug des Crimphalters entweder nicht einpressbar ist oder im Bereich des Durchzugs durch hohe Spannungen Risse erhält und komplett aufreisen kann.If crimp holders are pressed onto contact sleeves, in particular onto cylindrical contact sleeves, the press-fit forces increase exponentially depending on the tolerance situation in the elastic region and this can lead to the passage of the crimp holder either not being able to be pressed in or being cracked in the area of the pull-through due to high voltages and traveling completely can.
Das weiter unten angeführte Diagramm gibt weiterhin an, wie sich prinzipiell die Dehnung, insbesondere die überproportionale Dehnung verhält, ohne dass die Zugkraft wesentlich zunehmen muss. Da allerdings die Toleranzlage von 0 bis zur 0,2 % Dehnungsgrenze die zuvor erwähnten hohen Einpresskräfte bedingt und daher erheblich hohe Spannungen mit sich bringt, ist es Aufgabe der vorliegenden Erfindung, eine geometrische Konzeption des Crimphalters bereit zu stellen, welcher die Nachteile dieser hohen Zug,- und Einpresskräfte und damit verbundenen Spannungen umgeht.The diagram below also indicates how, in principle, the elongation, in particular the disproportionate elongation, behaves without the traction force having to increase significantly. However, since the tolerance range of 0 to 0.2% strain limit causes the aforementioned high press-in forces and therefore brings about significantly high voltages, it is an object of the present invention to provide a geometric design of the Crimphalters, which the disadvantages of this high train , - and presses forces and associated voltages bypasses.
Der erfindungsgemäße Crimphalter wird daher so ausgebildet, dass der Querschnitt eines im Stand der Technik bekannten Crimphalters geschwächt wird, vorzugsweise durch Ausnehmung definierter Größen, wie Aussparungen oder Ausdünnungen im Bereich des Durchzugs des Crimphalters.The crimp holder according to the invention is therefore designed so that the cross section of a known in the prior art Crimphalters is weakened, preferably by recess defined sizes, such as recesses or thinning in the region of the passage of the Crimphalters.
Der Crimphalter hat in seiner Konzeption einen Ringabschnitt mit einer Dicke D und einer Höhe H und einem Umfang U. Die Höhe H und Dicke D definieren den massiven Querschnittsbereich beziehungsweise die Querschnittsfläche A des Ringabschnitts. Würde man den Ringabschnitt abwickeln, so erhielte man ein Probenstück der Länge U mit einer Querschnittsfläche A. Wird nun an definierten Stellen eines solchen Abschnittes über die Länge U verteilt der Querschnitt A an verschiedenen Stellen geschwächt, zum Beispiel durch Reduzierung der Dicke D an mehreren Stellen unterschiedlicher oder gleicher Längen L, so ergibt sich bei einer Längsstreckung um die Länge ΔX bei gleicher Zugkraft eine Verlängerung von einer elastischen in eine plastische Verformung, welche bei nicht reduziertem Querschnitt nicht auftreten würde, bei vergleichbarer Streckung um die Länge ΔX. Insofern ist der erfindungsgemäße Crimphalter im Bereich der Ringabschnitte 6 mit solch definierten Materialausnehmungen oder Verdünnungen oder Aussparungen zu versehen, dass die daraus resultierende Geometrie über eine Querschnittsfläche A verfügt, bei welcher bei Dehnung eines Crimphalters um die Strecke ΔX automatisch eine plastische Verformung auftritt.In its conception, the crimp holder has a ring section with a thickness D and a height H and a circumference U. The height H and thickness D define the solid cross-sectional area or the cross-sectional area A of the ring section. If you were to unwind the ring section, you would get a sample of length U with a cross-sectional area A. If distributed at defined points of such a section over the length U, the cross-section A is weakened at different locations, for example by reducing the thickness D at several points different or equal lengths L, it follows at a longitudinal extension by the length .DELTA.X at the same tensile force an extension of an elastic in a plastic deformation, which would not occur at a reduced cross-section, with comparable extension by the length .DELTA.X. In this respect, the crimping holder according to the invention is to be provided in the region of the
Vorzugsweise wird der Ringabschnitt am Durchzug an mehreren zueinander beabstandeten Stellen mit geeigneten Schlitzen oder Spalten so versehen, dass der Durchzug im Bereich des Ringabschnittes insgesamt eine Querschnittsverkleinerung erhält. Alternativ können auch Durchbrüche oder Materialverdünnungen im Bereich der Durchzugsflansche angeordnet werden, die ebenfalls dazu führen, dass beim Einpressen der Ringabschnitt bedingt durch den geringeren Querschnitt und das Verhältnis der maximalen Zugkraft zum Spannungsquerschnitt, also das Verhältnis von Kraft zur Querschnitt, in einer anderen Relation steht. Durch Verringern des Querschnitts bei einer Toleranzbedingung, die größer ist in ihrem Abstand wie die 0,2 % Dehnungsgrenze Ap02, bedeutet dies, dass bei einer Dehnung, also einer Verlängerung oder Streckung des Materials über die 0,2 % Dehnungsgrenze, bedingt durch eine so große Toleranz, wie sie in den vorliegenden Ausführungsbeispielen Fertigungstechnik bedingt ist, führt daher dazu, dass sich der Crimphalter mit seiner Streckeigenschaft im Bereich der plastischen Verformung und damit im Bereich der plastischen Dehnung befindet. Dies bedeutet aber ungekehrt, dass die Zugkräfte automatisch abnehmen, das heißt, oberhalb der Streckgrenze beziehungsweise oberhalb der 0,2 % Dehnungsgrenze, erreicht man mit einem erfindungsgemäßen Crimphalter eine deutliche Reduzierung der Zugkräfte und Spannungen, da das Material plastisch verformt wird.Preferably, the ring portion is provided at the passage at a plurality of spaced locations with suitable slots or gaps so that the passage in the region of the ring portion receives a total reduction in cross-section. Alternatively, breakthroughs or material dilutions in the region of the passage flanges can be arranged, which also result in the press-in the ring section due to the smaller cross-section and the ratio of the maximum tensile force to the voltage cross section, ie the ratio of force to cross section, in a different relationship , By reducing the cross-section at a tolerance condition that is greater in distance than the 0.2% strain limit Ap02, this means that at an elongation, ie an elongation or stretching of the material above the 0.2% strain limit, caused by a Large tolerance, as it is caused in the present embodiments manufacturing technology, therefore, leads to the fact that the Crimphalter is located with its track property in the field of plastic deformation and thus in the field of plastic strain. However, this means vice versa that the tensile forces decrease automatically, that is, above the yield strength or above the 0.2% strain limit, can be achieved with a Crimphalter invention a significant reduction in tensile forces and stresses, since the material is plastically deformed.
Werden vorzugsweise mehrere radial angeordnete Ausnehmungen am Crimphalter angebracht, so verteilt sich die plastische Verformung auf die Bereiche, in denen der Crimphalter solche Materialverjüngungen bereithält.If a plurality of radially arranged recesses are preferably attached to the crimp holder, the plastic deformation is distributed over the areas in which the crimp holder holds such material tapers.
Weitere Aufgabe der vorliegenden Erfindung ist es daher, einen Crimphalter mit einem Durchzug derart bereit zu stellen, dass Probleme mit Einpresskräfte vermieden werden.Another object of the present invention is therefore to provide a Crimphalter with a passage in such a way that problems with Einpresskräfte be avoided.
Darüber hinaus zeichnet sich der erfindungsgemäße Crimphalter dadurch aus, dass er auf einfache Weise in Großserienfertigung aus einem Stanz-/Biegeteil hergestellt werden kann und ohne große zusätzliche Aufwendungen in unterschiedlichen Variationen ausgebildet werden kann.In addition, the Crimphalter invention is characterized in that it can be easily produced in mass production from a stamped / bent part and can be formed without much additional expense in different variations.
Mehrere Ausführungsbeispiele der Erfindung werden im folgenden anhand der Zeichnungen näher erläutert. Dabei zeigen:
-
Fig. 1 ein erstes Ausführungsbeispiel der Erfindung; -
Fig. 2 ein zweites Ausführungsbeispiel der Erfindung; -
Fig. 3 ein drittes Ausführungsbeispiel der Erfindung; -
Fig. 4 ein viertes Ausführungsbeispiel der Erfindung.
-
Fig. 1 a first embodiment of the invention; -
Fig. 2 a second embodiment of the invention; -
Fig. 3 a third embodiment of the invention; -
Fig. 4 A fourth embodiment of the invention.
In den Figuren werden jeweils Teile des erfindungsgemäßen Crimphalters in ihrer speziellen Ausführungsart dargestellt, wobei die mit a) bezeichnete Ansicht eine Schnittansicht beziehungsweise eine Teilschnittansicht durch einen erfindungsgemäßen Crimphalter 1 zeigt. Nicht dargestellt ist im einzelnen der Crimpanschluss 4. Die bei den Figuren unter b) gezeigte Ansicht ist jeweils die Draufsicht von oben der Ausführungsbeispiele der
Die Öffnung 2 ist ausgebildet als Durchzug 3 und bildet daher in der Basisplatte 5 einen Ringabschnitt 6 in der Form eines Topfes 7, welcher allerdings beidseitig durch die Öffnung 2 geöffnet ist. Der Ringabschnitt 6 verfügt über eine Durchzugsflanke 8, die einen Radius zum Ringabschnitt 6 hin im Bereich der Basisplatte 5 bildet. Durch diese Kontur wird der Durchzug 3 so ausgebildet, dass an seinem in der
Erfindungsgemäß sind, wie in
Dabei ist einerseits darauf zu achten, das der Durchzug über einen geeigneten Durchmesser D1 verfügt, welcher prinzipiell abgestimmt ist auf den Außendurchmesser D2 des rohrförmigen Körpers, jedoch andererseits die Toleranzen über die Federeigenschaften, ausgebildet durch die Schlitze 10, abfangen kann.It is on the one hand to make sure that the passage has a suitable diameter D1, which is in principle matched to the outer diameter D2 of the tubular body, but on the other hand, the tolerances on the spring properties, formed by the
In
In
Durch die Materialverjüngung werden insbesondere die nach oben liegenden Flanken zunehmend federnd und in Richtung zur Durchzugsflanke 8 hin wieder stabilisierend ausgebildet.As a result of the material tapering, in particular the upward flanks are increasingly resiliently formed and stabilizing again in the direction of the
Erfindungsgemäß sind auch Kombinationen der zuvor dargestellten Maßnahmen denkbar.Combinations of the measures described above are also conceivable according to the invention.
- 11
- CrimphalterCrimphalter
- 22
- Öffnungopening
- 33
- DurchzugDraft
- 44
- CrimpanschlussCrimp
- 55
- Basisplattebaseplate
- 66
- Ringabschnittring section
- 77
- Topfpot
- 88th
- Durchzugsflankepulling edge
- 99
- Ausnehmungrecess
- 1010
- Schlitzslot
- 1111
- Einprägungimpressing
- 1212
- Durchbruchbreakthrough
Claims (6)
- Crimp holder (1) comprising a substantially planar base plate (5) on which a crimp connection (4) is arranged, wherein an opening (2) which forms a passage (3) is provided in the base plate (5) for attachment to a cylindrical body and the passage (3) has an annular section (6), wherein the annular section (6) is provided with four to eight recesses over a solid cross section, the said recesses reducing the solid cross-sectional area of the annular section (6) at this point, characterized in that the recesses (9) are arranged over the circumference with a length of in each case 1/20 of the said circumference and reduce the cross-sectional area by approximately 42 % to 58 % in this region in such a way that, in the event of an expansion of the diameter and therefore an extension of the circumference by a value of greater than ΔX, the annular section (6) changes over from elastic deformation to plastic deformation, wherein ΔX is in the order of magnitude of 0,5 % to 3 % of the circumference.
- Crimp holder (1) according to Claim 1, characterized in that the recesses (9) are continuous recesses.
- Crimp holder (1) according to Claim 1, characterized in that, in the region of the annular sections (6), the recesses (9) are arranged in the form of impressions (11) which extend towards a passage flank (8).
- Crimp holder (1) according to Claim 3, characterized in that a plurality of apertures (12) are formed in the region of the passage flank (8).
- Crimp holder (1) according to one of the preceding claims, characterized in that the recesses (9) are arranged on the inner surface of the annular section (6).
- Crimp holder (1) according to one of Claims 1 to 4, characterized in that the recesses (9) are arranged on the outer surface of the annular section (6).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810032641 DE102008032641B4 (en) | 2008-07-10 | 2008-07-10 | Plastic deformable crimp holder |
DE200820009305 DE202008009305U1 (en) | 2008-07-10 | 2008-07-10 | Feathered crimp holder |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2144334A2 EP2144334A2 (en) | 2010-01-13 |
EP2144334A3 EP2144334A3 (en) | 2013-11-27 |
EP2144334B1 true EP2144334B1 (en) | 2016-12-14 |
Family
ID=41110789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09006655.6A Not-in-force EP2144334B1 (en) | 2008-07-10 | 2009-05-18 | Spring contact crimp holder |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2144334B1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4983133A (en) * | 1989-05-31 | 1991-01-08 | Scyoc William C Van | Electrical terminal with annular section |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4657335A (en) | 1986-01-30 | 1987-04-14 | K & K Stamping | Radially resilient electrical socket |
US5232383A (en) * | 1992-10-21 | 1993-08-03 | Barnick Robert C | Medical snap connector |
US5667413A (en) | 1995-11-13 | 1997-09-16 | Alcoa Fujikura Ltd. | Socket-type electrical connector |
DE10005297C2 (en) | 2000-02-07 | 2001-12-20 | Siemens Ag | Contact piece for an electrical connector and method for its production |
DE102004058945B4 (en) * | 2004-12-08 | 2009-11-26 | Semikron Elektronik Gmbh & Co. Kg | Connector for permanently safe electrical connection |
-
2009
- 2009-05-18 EP EP09006655.6A patent/EP2144334B1/en not_active Not-in-force
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4983133A (en) * | 1989-05-31 | 1991-01-08 | Scyoc William C Van | Electrical terminal with annular section |
Also Published As
Publication number | Publication date |
---|---|
EP2144334A2 (en) | 2010-01-13 |
EP2144334A3 (en) | 2013-11-27 |
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