EP3054535A1 - Contact femelle et procede de production - Google Patents

Contact femelle et procede de production Download PDF

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Publication number
EP3054535A1
EP3054535A1 EP16000246.5A EP16000246A EP3054535A1 EP 3054535 A1 EP3054535 A1 EP 3054535A1 EP 16000246 A EP16000246 A EP 16000246A EP 3054535 A1 EP3054535 A1 EP 3054535A1
Authority
EP
European Patent Office
Prior art keywords
receiving
socket contact
contact
receiving portion
collar
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.)
Withdrawn
Application number
EP16000246.5A
Other languages
German (de)
English (en)
Inventor
Andreas Pannagl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaichi Electronics Deutschland GmbH
Original Assignee
Yamaichi Electronics Deutschland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaichi Electronics Deutschland GmbH filed Critical Yamaichi Electronics Deutschland GmbH
Publication of EP3054535A1 publication Critical patent/EP3054535A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section

Definitions

  • the present invention relates to a female contact and a manufacturing method of a female contact.
  • female contacts are used to electrically contact male contacts of a complementary connector.
  • the female contacts are disposed in an insulator body of a connector and connected to an electrical contact of a cable at a rear contacting portion of the female contact, respectively.
  • the plug contacts of the complementary connector are respectively inserted through receiving openings of the socket contacts in receiving cavities of the socket contacts. Defective positions of the socket contacts or the plug contacts can result in socket contact and plug contact not being aligned correctly with one another, which makes it difficult or impossible for the connectors to be plugged together.
  • a socket contact for a connector comprising: a receiving portion having a receiving opening for Receiving a plug contact of a complementary connector; and a contacting portion for electrically contacting with an electrical lead of a cable; wherein the receiving portion has two slots open in the connecting direction, wherein the receiving portion has a collar at a front end region of the receiving portion, wherein the receiving portion has a tapering portion, which adjoins the collar, and wherein the outer surface of the receiving portion in the region of the tapered portion tapered at the front and formed in the region of the collar widening forward.
  • the configuration according to the invention makes it possible to provide two predetermined or predeterminable contact points or contact areas of the socket contact with the plug contact of the complementary connector, namely at the front end of the taper section or in the region of the collar where the inner diameter of the receiving section is smallest and Plug contact can be clamped.
  • a change or a displacement of the contact points or contact areas for example, when vibrations occur, reduced or prevented.
  • Knowledge of the contact points or contact areas is of great importance for secure data transmission with regard to parasitic antenna properties of the connected socket and plug contacts.
  • the collar provides a section of increased outside diameter at the front end portion of the receiving portion which allows for improved radial support of the socket contact in the insulator body of the connector.
  • the increased outer diameter portion allows the formation of an enlarged receiving opening, which improves the misalignment tolerance and thus facilitates insertion and makes safer.
  • the female contact is a female terminal of a connector which is electrically connectable to a male terminal of a complementary connector, the male contact.
  • the plug contact is for this purpose introduced through the receiving opening in a receiving cavity of the socket contact.
  • the receiving cavity is formed in the receiving portion of the female contact.
  • the manufacture of the socket contact may include turning.
  • the female contact is made of electrically conductive material such as brass, for example CuZn38Pb2, preferably with a galvanically applied layer system, such as Ni / AuCo.
  • the connector may be, for example, a push-pull connector for data transmission.
  • the female contact may have a length of about 15 mm to about 25 mm, and a diameter of about 0.5 mm to about 3.0 mm.
  • the receiving portion may extend for about half to about a quarter of the length of the female contact.
  • connection direction indicates the direction in which the connector is moved relative to the complementary connector in the connection process.
  • connection direction or insertion direction is also the direction in which the socket contact is moved during the connection process relative to the complementary plug contact.
  • the socket contact is moved during connection or electrical contacting along its longitudinal axis in the direction of connection.
  • axial direction is meant any direction which is congruent or parallel to the longitudinal axis or axis of symmetry of the connector, or which is congruent or parallel to the longitudinal axis or axis of symmetry of components of the connector, such as the socket contact.
  • radial direction is meant a direction transverse to the axial direction.
  • the rear end of the female contact is therefore directed towards the cable or for the electrical conduction of the cable, while the front end of the female contact has the receiving opening and is directed towards a complementary male contact or connector.
  • the contacting portion may be formed at a rear end portion of the receiving portion.
  • the Kunststoffierabites may be formed substantially hollow cylindrical or have a U-shaped cross-section to receive the associated electrical line of the cable and to be soldered or crimped with this.
  • the receiving opening of the receiving portion or the socket contact is open to the front.
  • the two slots in the receiving portion may be formed at two opposite, in particular diametrical, positions of the receiving portion.
  • the two slots can extend over approximately the entire length of the receiving portion in the axial direction.
  • the two slots may also be formed slightly shorter or longer than the length of the receiving portion.
  • the slots may extend over a length of about 1/4 to about 1/2 the total length of the socket contact.
  • the gap of the slots can taper towards the front. Open at the front means that the slots are formed continuously to the front end of the receiving portion or the socket contact.
  • the opposite sides can also touch, so that there is no gap or gap, as long as the plug contact is not introduced.
  • the gap of the slots can also be designed to be approximately constant over the length of the slots, at least in sections, and / or widen towards the front.
  • a tapered formation of the slots is more advantageous for the production.
  • the slots can be created by sawing, milling or cutting.
  • the collar is formed at a front end portion of the receiving portion, wherein the outer diameter of the collar at least partially expands towards the front. Expansion means expanding radially outwards.
  • the collar may also have a substantially cylindrical portion, in particular at a front end of the collar.
  • the axial length extent of the collar may be, for example, about 1/10 to about 1/5 of the axial length of the receiving portion, for example, about 0.5 mm to about 4.0 mm be.
  • the outer diameter collar may be widened, for example, by about 0.1 mm to about 1.0 mm at the outer diameter.
  • the collar connects to a front end of the neck portion.
  • the outer diameter preferably decreases evenly toward the front.
  • the tapering section may be conical, in particular in cross section.
  • the material thickness can be substantially constant over the length. Therefore, in the tapered portion, the inner diameter may be tapered, i.e., tapered. towards the front, especially evenly, lose weight.
  • the inner surface of the receiving portion may be formed tapering in the region of the tapering portion to the front.
  • the collar can at least in sections have a greater material thickness than the tapering section.
  • the collar can therefore also be referred to as a bead.
  • the inner surface of the receiving portion widens in the region of the collar at least partially forward.
  • the collar may have a forwardly tapering inner surface in a rear portion of the collar which adjoins the tapered inner surface of the taper portion.
  • the material thickness of the collar can decrease towards the front. That in the region of the collar, the opening angle of the inner surface may be greater than the opening angle of the outer surface.
  • the degree of expansion of the inner surface of the collar may be greater than the degree of expansion of the outer surface of the collar.
  • the material thickness of the collar may also be substantially constant over the axial length of the collar.
  • two forwardly extending spring tongues are formed by the two slots open to the front, wherein the spring tongues are plastically deformed to each other.
  • the socket contact may also have 3 or more slots, and thus also have 3 or more spring tongues.
  • Plastic deforming each other means that the spring tongues to each other, i. essentially radially inward, are bent and thereby plastically deform. In this case, the axial ends of the spring tongues approach each other.
  • the two spring tongues are mirror-symmetrical and / or axisymmetric and each plastically deformed by the same amount.
  • the receiving opening has a chamfer.
  • the inner diameter of the receiving opening is increased and thus enables a simple mating of the connector even with misalignment of the socket contact and / or the plug contact.
  • the chamfer is designed such that the inner diameter of the collar in the region of the chamfer becomes larger toward the front or widens.
  • the chamfer may be formed over the entire axial length of the collar, or formed only in a front portion of the collar, wherein the front portion of the collar may be about 1/3 to about 2/3 of the entire axial length of the collar.
  • the socket contact further comprises a central portion, wherein the largest outer diameter of the receiving portion is approximately equal to or smaller than the largest outer diameter of the central portion.
  • the handling of the socket contact is simplified by the above configuration.
  • the socket contact in spite of the flared collar in a simple manner preferably be introduced and mounted from behind in a recess provided for this purpose in an insulator body of the connector.
  • a modification of the recess of the insulator body is not necessary, so that conventional insulator body, which are designed for female contacts without flared collar front, can continue to be used.
  • the above configuration allows a conventional unlock pipe to be fed from the front over the socket contact and into the insulator body, as explained below.
  • the female contact and the insulator body can also be configured so that the female contact can be inserted from the front into the insulator body.
  • the central portion has a recess portion for receiving a locking spring.
  • the recessed portion may be a section of reduced outer diameter.
  • the locking spring may be in the form of a sleeve and may be clipped onto the recess portion. By the edges of the recess portion, the locking spring may be secured in the recess portion in the axial direction.
  • the locking spring may have spring tongues, which extend obliquely to the rear similar to a barb.
  • the portion of the insulator body reduced inner diameter may be referred to as a stop projection of the insulator body, wherein the stopper protrusion is formed circumferentially on the inner surface of the recess of the insulator body.
  • the unlocking pipe is guided over the receiving portion and the middle portion until the end face of the unlocking pipe abuts against the stopper protrusion.
  • the spring tongues of the locking spring are elastically deformed to each other such that the socket contact can be pulled backwards out of the insulator body, without the spring tongues of the locking spring come into contact with the stopper projection.
  • the inner diameter of the unlocking tube is approximately equal to or slightly smaller than the inner diameter of the insulator body at the stopper projection.
  • the use of the unlocking tube is made possible by the above vote of the largest outer diameter of the receiving portion in relation to the largest outer diameter of the central portion.
  • the largest outer diameter of the devisierabitess is greater than the largest outer diameter of the receiving portion.
  • the handling of the socket contact is simplified by the above configuration of the Kunststoffierabitess.
  • the socket contact for mounting in the insulator body can be easily inserted from the back to the stop in the space provided for this arrangement recess of the insulator body to bring the socket contact in the desired mounting end position.
  • the largest outer diameter of the contacting portion is disposed at a front end of the contacting portion, for example, by providing a stop edge.
  • the abutment edge abuts in the mounting end position of the socket contact on the abutment projection of the insulator body, whereby the socket contact can not be pushed forward.
  • the rear axial end surface of the stopper projection may contact the front axial end surface of the stopper edge, and the front axial end surface of the stopper projection may contact the rear axial ends of the spring tongues of the locking spring, so that the female contact both forward and backward secured in the back of the insulator body.
  • a method of making a female contact for a connector comprising: forming a receiving portion having a receiving aperture for receiving a male contact of a complementary connector; Forming a contact portion for electrically contacting with an electrical lead of a cable; Forming a collar at a front end portion of the receiving portion; Forming two forwardly open slots in the receiving portion and thereby forming two opposing and forwardly extending spring tongues; and plastic deformation of the spring tongues to each other.
  • the outer end contour of the socket contact according to the invention can also be produced exclusively by turning and / or milling.
  • the inventive method allows a particularly simple production of the socket contact according to the invention, since the receiving portion before forming and deforming the spring tongues only has to have a substantially cylindrical outer contour with a collar or a bead at the front end. Such a shape can be easily created by turning.
  • the receiving opening and the receiving cavity in the receiving portion can be easily created by drilling.
  • the inner surface of the receiving portion or the receiving cavity may be cylindrical or be designed as a cylinder bore.
  • the method further comprises: forming a chamfer at the receiving opening.
  • the chamfer can be produced in a simple way by machining.
  • the method further comprises: forming a central portion, wherein largest outer diameter of the receiving portion after the plastic deformation of the spring tongues to each other is approximately equal to or smaller than the largest outer diameter of the central portion.
  • the method further comprises: forming a recessed portion for receiving a locking spring in the central portion.
  • the largest outer diameter of the devisierabitess is greater than the largest outer diameter of the receiving portion.
  • Fig. 1 shows a socket contact 1 according to one embodiment.
  • the socket contact 1 has in the direction of connection AR on the front a receiving portion 2 with a receiving opening 4.
  • the receiving portion 2 has a tapering portion 6 and a collar 8, wherein in the tapering portion 6, the outer diameter at least partially gradually decreases toward the front and in the region of the collar 8, the outer diameter at least partially increases towards the front.
  • the tapering portion 6 is thus formed tapering toward the front and the collar 8 is formed widening towards the front.
  • slots 5 are formed at two opposite or diametrical positions, which extend substantially in the axial direction and are open to the front.
  • the socket contact 1 has at the rear a Wegierabrough 10 for electrically contacting or connecting to an electrical line of a cable.
  • a radially outwardly projecting and circumferential stop edge 12 is formed at the front end of the Kunststoffierabitess 10 .
  • the stop edge 12 is formed by a portion of the contacting portion 10 of increased diameter.
  • the socket contact 1 has a central portion 14.
  • the central portion 14 has a substantially cylindrical fitting portion 16 and a recessed portion 18 recessed or recessed thereto.
  • the slots 5 may partially extend into the mating portion 16.
  • Of the Recess section 18 is formed by a portion of center section 14 of reduced diameter.
  • a locking spring 20 is arranged, wherein the locking spring 20 is not part of the socket contact 1.
  • the locking spring 20 is sleeve-shaped and can be clipped on or in the recess portion 18.
  • the axial length of the recess portion 18 is adapted to the axial length of the locking spring 20, so that the locking spring 20 is secured in the recessed portion 18 to the front and to the rear, thus preventing a relative displacement of the locking spring 20 to the socket contact 1.
  • the locking spring 20 has at two opposite or diametrical positions to the rear radially outwardly widening spring tongues 22.
  • the spring tongues 22 serve to secure the socket contact 1 in an insulator body of a connector.
  • Fig. 2 shows a sectional view of the socket contact 1 according to the embodiment, wherein the cutting plane along the longitudinal axis or axis of symmetry of the socket contact 1 and perpendicular to the sectional plane of the two slots 5 extends.
  • two spring tongues 24 are formed in the receiving portion 2, which extend forward.
  • a receiving cavity 26 is formed, in which a plug contact via the receiving opening 4 can be introduced.
  • a chamfer 28 is formed.
  • the receiving opening 4 can be increased, so that even with incorrect position of the socket contact 1 and / or the plug contact of the plug contact inserted into the receiving opening 4 and can be guided by the inclined surface of the chamfer 28 in the receiving cavity 26.
  • the inner surface of the receiving cavity 26 and the receiving portion 2 is formed so that the inner diameter gradually decreases toward the front to the chamfer 28.
  • the tapering inner surface of the tapered portion 6 thus extends into the collar 8.
  • this configuration may be created by first forming a cylinder bore in a cylindrical material, creating a chamfer at the bore opening, creating two forwardly open slots and thereby forming resulting spring tongues are bent to each other.
  • the additional material of the radially outwardly flared or protruding collar 8 allows the formation of an enlarged receiving opening 4 by the formation of the chamfer 28th
  • the Kunststoffierabites 10 has in the interior of a substantially cylindrically shaped contacting space 30.
  • An exposed electrical lead of a cable can be inserted into the contacting space 30 and crimped or soldered there, for example.
  • Fig. 3 shows a sectional view of the socket contact 1 according to the embodiment in the assembled state, wherein the sectional plane is the same as in Fig. 2 ,
  • the socket contact 1 is arranged in the assembled state in an insulator body 32 of a connector.
  • eight receptacle contacts may be disposed in an insulator body 32 to form an eight-pole connector.
  • arrangement recesses 34 are formed in the insulator body.
  • the arrangement recesses 34 are formed substantially cylindrical and extend in the axial direction through the insulator body 32.
  • a stop projection 36 is formed in each case.
  • the abutment projection 36 is circumferentially formed on the inner surface of the arrangement recess 34 and protrudes radially inward.
  • the stopper protrusion 36 is formed by a portion of the arrangement recess 34 of reduced diameter.
  • the stop edge 12 of the Kunststoffierabitess 10 has a larger outer diameter than the reduced inner diameter of the arrangement recess 34 at the stopper projection 36th In of the Montageendlage abuts or is the abutment edge 12 therefore to the abutment projection 36, whereby a displacement of the socket contact 1 from the mounting end position is further prevented to the front.
  • the locking spring 20 is performed by the reduced inner diameter of the stopper projection 36, wherein the spring tongues 22 are first bent elastically to each other and jump back after passing the reduced inner diameter at the stopper projection 36 radially outward.
  • the rearwardly directed axial end of the spring tongues 22 thus hooks on the stop projection 36, whereby a displacement of the socket contact 1 is prevented from the mounting end position to the rear.
  • an unlocking pipe can be inserted from the front into the locating recess 34 as far as the stopper projection 36 to elastically bend the spring tongues 22 and release the hooking with the stopper protrusion 36.
  • the electrical leads 38 of the cable 40 are each inserted from behind into the contacting space 30 of the contacting portion 10, and can be crimped or soldered there. After crimping the electrical leads 38 to the female contacts 1, and after placing the female contacts 1 in the insulator body 32, further components of the connector may be connected to the insulator body and / or the cable 40, such as shield sleeves, connector housings, Clamping sleeves, etc.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
EP16000246.5A 2015-02-03 2016-02-02 Contact femelle et procede de production Withdrawn EP3054535A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015001328.9A DE102015001328A1 (de) 2015-02-03 2015-02-03 Buchsenkontakt und Herstellungsverfahren

Publications (1)

Publication Number Publication Date
EP3054535A1 true EP3054535A1 (fr) 2016-08-10

Family

ID=55299196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16000246.5A Withdrawn EP3054535A1 (fr) 2015-02-03 2016-02-02 Contact femelle et procede de production

Country Status (2)

Country Link
EP (1) EP3054535A1 (fr)
DE (1) DE102015001328A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109672039A (zh) * 2019-01-09 2019-04-23 吴通控股集团股份有限公司 一种射频同轴连接器
EP3503305A1 (fr) * 2017-12-21 2019-06-26 Yamaichi Electronics Deutschland GmbH Isolateur, connecteur, utilisation d'un manchon de contact dans un isolateur et utilisation d'un manchon de contact en tant qu'élément de fixation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1041675A2 (fr) * 1999-03-31 2000-10-04 FCI Katrineholm A.B. Douille de contact pour la communication électrique
DE102009030463A1 (de) * 2009-06-25 2010-12-30 Lapp Engineering & Co. Elektrischer Steckverbinder
EP2362493A1 (fr) * 2010-02-19 2011-08-31 Sumitomo Wiring Systems, Ltd. Terminal femelle et procédé de production du terminal femelle
WO2012144192A1 (fr) * 2011-04-22 2012-10-26 Yazaki Corporation Garniture de borne

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072394A (en) * 1976-03-01 1978-02-07 The Bendix Corporation Electrical contact assembly
FR2596587A1 (fr) * 1986-03-26 1987-10-02 Allied Corp Contact femelle pour connecteur electrique
US5938487A (en) * 1997-03-25 1999-08-17 The Whitaker Corporation Socket contact having tapered beam
FR2902240B1 (fr) * 2006-06-13 2014-07-04 Souriau Contact de type douille elastique monobloc a insertion de force controlee
US7845992B2 (en) * 2008-01-31 2010-12-07 Fci Americas Technology, Inc. Electrical connector with contact arm preloading
US7789721B1 (en) * 2009-04-08 2010-09-07 Rockwell Automation Technologies, Inc. Electrical connector and method of making same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1041675A2 (fr) * 1999-03-31 2000-10-04 FCI Katrineholm A.B. Douille de contact pour la communication électrique
DE102009030463A1 (de) * 2009-06-25 2010-12-30 Lapp Engineering & Co. Elektrischer Steckverbinder
EP2362493A1 (fr) * 2010-02-19 2011-08-31 Sumitomo Wiring Systems, Ltd. Terminal femelle et procédé de production du terminal femelle
WO2012144192A1 (fr) * 2011-04-22 2012-10-26 Yazaki Corporation Garniture de borne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3503305A1 (fr) * 2017-12-21 2019-06-26 Yamaichi Electronics Deutschland GmbH Isolateur, connecteur, utilisation d'un manchon de contact dans un isolateur et utilisation d'un manchon de contact en tant qu'élément de fixation
CN109672039A (zh) * 2019-01-09 2019-04-23 吴通控股集团股份有限公司 一种射频同轴连接器

Also Published As

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