CN103109422A - Method for producing pin-shaped contact elements and contact element - Google Patents
Method for producing pin-shaped contact elements and contact element Download PDFInfo
- Publication number
- CN103109422A CN103109422A CN2011800432476A CN201180043247A CN103109422A CN 103109422 A CN103109422 A CN 103109422A CN 2011800432476 A CN2011800432476 A CN 2011800432476A CN 201180043247 A CN201180043247 A CN 201180043247A CN 103109422 A CN103109422 A CN 103109422A
- Authority
- CN
- China
- Prior art keywords
- section
- contact element
- metal wire
- pressed
- zone
- 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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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F5/00—Upsetting wire or pressing operations affecting the wire cross-section
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
Abstract
The invention relates to a method for producing pin-shaped contact elements (10), in which a press-in section (11) is formed by means of an embossing step into a wire (1) with a round cross section at one end of the contact element (10), and wherein, spaced apart from the press-in section (11), a holding region (12) is formed which protrudes transversely to the longitudinal extent of the wire (1) over the cross section in the region of the round wire (1). The invention provides for the holding region (12) to be formed by a stamping step in an embossing region (24) of the wire (1), the embossing region (24) at the same time forming an asymmetrical press-in section (11).
Description
Technical field
The present invention relates to a kind of method for the manufacture of the contact element of pin shape of preamble according to claim 1.The present invention also comprises a kind of contact element.
Background technology
The contact element of known a kind of pin shape from document DE 20 2,006 000 183 U1, it is made by the metal wire with circular cross section.At this, construct the section that is pressed into especially for connecting circuit board in an end section of contact element by Sheet Metal Forming Technology.Be connected with the maintenance section in the zone line of contact section, guarantee that by the pressing part of two fork-shapeds contact element can be inserted in the through hole of circuit board only until surpass the pressing part of the periphery of zone line therein.In addition importantly, be pressed into section and be configured to the symmetrical section that is pressed into, it has constructs and the side that contacts of arranging symmetrically.The structure from both sides that needs thus to design is pressed into the stamping tool of section relatively expensively.
Summary of the invention
Based on shown prior art, purpose of the present invention is, improves the method for the manufacture of the contact element of pin shape of preamble according to claim 1, make can be as far as possible simply and cost design aptly its processing.According to the present invention, in having the method for the manufacture of the contact element of pin shape of the described feature of claim 1, this purpose realizes in the following manner, namely form described retaining zone by the stamping-out step in the zone that is stamped of metal wire, wherein, this zone that is stamped forms the section that is pressed into of asymmetricly constructing simultaneously.In other words this means, the required stamping-out step of punch steps that is pressed into section for preparation forms this retaining zone simultaneously, thereby can save the independent procedure of processing for generation of retaining zone.
Provide in the dependent claims the favourable improvement project according to the contact element for the manufacture of pin shape of the present invention.All are all dropped in of the present invention scope by the combination that two features in disclosed feature in claims, in specification and/or accompanying drawing form at least.
In a kind of particularly preferred method, realized constructing a plurality of contact elements from continuous metal wire in favourable mode effectively and on process technology, regulation: in the first procedure of processing, metal wire is provided with and has the stamped area of the cross section of substantial rectangular, wherein, wider side is stretched out at the cross section that both sides surpass in circular metal line zone in cross section; Construct retaining zone by the stamping-out step in nip region in the second procedure of processing; And then process in stamped area by another one-sided punch steps in the 3rd procedure of processing and be pressed into section; And isolate each contact element by stamping-out from continuous metal wire in the 4th procedure of processing.In other words this means, just isolate each contact element when processing method finishes, contact element still interconnects distolateral during processing method.Thus, during the processing of metal wire or realizing the reliable guiding of metal wire in each instrument during each procedure of processing, because metal wire can periodically be pulled by each processing unit (plant) in different procedure of processings simply.Particularly can save thus and process each contact element expensively, at first this will be necessary by separate respective section formation contact element from metal wire else if.
Particularly preferably be in addition, carry out the punching press of the contact section during being pressed into section from a side of the stamped area of rectangle.Realize thus, using needs the only stamping tool of design relatively simply of a pairing keeper.
The factor that is electrically connected to for fear of corrosion or other infringement, regulation in addition is by coating procedure, the surface of particularly processing metal wire by electroplating process.
Preferred application of contact element is, as the Connection Element between circuit board and sensor element.In such layout, the additional soldering that can save between contact element and circuit board connects, thereby can get rid of the relevant manufacturing deficiency that may be caused by brazing process, such as the manufacturing deficiency of the forms such as soldering slag.
In order to realize being pressed in the opening that section is anchored on circuit board reliably (this has been avoided the further slippage of contact element reliably), regulation in addition, retaining zone has the wide width of twice of the wire diameter of being almost.
At this, particularly can stipulate, retaining zone has two and keeps seamed edge, and described maintenance seamed edge vertically extends with respect to the longitudinal axis of contact element.Thus, realize contact element reliable locking in the opening of circuit board.
Description of drawings
From following to the description of preferred embodiment and obtain with reference to the accompanying drawings other advantage of the present invention, feature and details.
Wherein:
Fig. 1 shows the end view of a section of the continuous metal wire after the first procedure of processing of contact element, is formed with therein stamped area,
View on the direction of the section II-II that Fig. 2 shows at Fig. 1,
Fig. 3 shows after formation is pressed into section and retaining zone the subregion according to the metal wire of Fig. 1,
Fig. 4 shows the section in the planar I V-IV of Fig. 3,
Fig. 5 shows the vertical section according to the metal wire of Fig. 3,
Fig. 6 shows after downcutting contact element from metal wire the section according to the metal wire of Fig. 1 and 3,
Fig. 7 shows contact element with end view, and
Fig. 8 is in the situation that the diagram of using contact element according to the present invention to cut open with part shows the three-dimensional view of liquid sensor.
Identical member or member with identical function are provided with identical Reference numeral in the accompanying drawings.
Embodiment
Figure 7 illustrates the contact element 10 of pin shape, particularly can be used for contacting circuit carrier (such as circuit board etc.) in the motor vehicle provider domains such as it.This contact element 10 is made by the metal wire 1 with circular cross section.What this contact element 10 had a structure asymmetricly at the one end thereof place is pressed into section 11, and this is pressed into section 11 and maybe can be inserted in this through hole with through hole acting in conjunction in circuit carrier.The retaining zone 12 of the axial advance motion of Restricted Contact element 10 in the through hole of circuit carrier is connected to this and is pressed on section 11.Different from all the other zones of contact element 10, be pressed into section 11 and retaining zone 12 and do not have circular cross section.
In a side relative with being pressed into section 11, the jointing 13 of constructing is connected on retaining zone 12 cylindrically, and in shown embodiment, this jointing 13 is configured to electrode 15.For example, this electrode 15 is the part of the liquid sensor 20 that is illustrated in Fig. 8.Can find out, liquid sensor 20 shown in Figure 8 has two electrodes 15 with two contact elements 10, and it is arranged to effectively be connected with the circuit board 21 of liquid sensor 20.At this, the section 11 that is pressed into of contact element 10 penetrates circuit board 21 in the zone of through hole 22.Do not need the connecting portion or particularly the soldering connecting portion that add so that electrode 15 or contact element 10 are electrically connected to or electrically contact with circuit board 21.
Now, explain in detail the course of processing according to contact element 10 of the present invention in Fig. 1 to 6: Fig. 1 shows a section of metal wire 1 after the first procedure of processing.At this, by the first procedure of processing, construct stamped area 24 by the first punch steps in metal wire 1.Corresponding to Fig. 2, this stamped area 24 has the cross section of substantial rectangular, and wherein, the width b of stamped area 24 is no better than the twice of the diameter d of metal wire 1.Between remaining zone, also respectively constructed a transition zone 25 in the both sides of stamped area 24 in the stamped area 24 of rectangle with in the cross section of (circle) metal wire 1.
Figure 3 illustrates at two other state of the metal wire 1 after in succession procedure of processing each other.At this, in the second procedure of processing, by stamping-out step processing stamped area 24, make at the side blow in the face of transition zone 25 and cut out retaining zone 12.At this, retaining zone 12 has two maintenance seamed edges 27,28 of vertically arranging with the longitudinal axis 26 of metal wire 1.In addition, by the stamping-out step, stamped area 24 has been reduced to width a from width b.
And then, will be pressed into section 11 by the second punch steps in the 3rd procedure of processing is molded in stamped area 24.As can jointly observing Fig. 3 to 5 finds out, be pressed in this stamped area 24 in the zone of section 11 and be increased to width A from original width a.Simultaneously, two contact sections 29,30 of punching press, and construct recess 31 in being pressed into section 11.
It is important in this that, as particularly can finding out according to Figure 4 and 5, be pressed into section 11 and asymmetricly construct.This realizes in the following manner, that is, section 11 is that use, unshowned stamping tool only is applied on stamped area 24 and at this from a side and stamps out recess 31 for punching press is pressed into.
When being inserted in the through hole 22 of circuit board 21 at the contact section 29 that is reduced on its height, 30 and through hole 22 actings in conjunction, wherein, be based upon contact section 29,30 and through hole 22 between connection.
Figure 6 illustrates the 4th procedure of processing, therein, by the second stamping-out step with each contact element 10 from continuous metal wire stamping-out or cut out.At this, waste material 2 falls.Simultaneously, the end 3 relative with being pressed into section 11 of structural contact element 10.
Contact element 10 described so far can be modified in many ways or revise.Particularly can imagine between the regional of contact element 10 or section other geometric proportion.Regulation preferably in addition is by coating procedure, the surface of particularly processing metal wire 1 by electroplating process.
Claims (9)
1. the method for the contact element for the manufacture of pin shape (10), in the method, in the metal wire (1) of circular cross section, construct by punch steps in an end of described contact element (10) and be pressed into section (11), and wherein, form at interval retaining zone (12) with the described section (11) that is pressed into, described retaining zone (12) is stretched out the cross section that surpasses in the zone of the metal wire (1) of described circle transverse to the longitudinal extension of described metal wire (1), it is characterized in that, form described retaining zone (12) by the stamping-out step in the stamped area (24) of described metal wire (1), wherein, what described stamped area (24) formed asymmetricly structure simultaneously is pressed into section (11).
2. in accordance with the method for claim 1, it is characterized in that, in the first procedure of processing in order to make a plurality of contact elements (10), the stamped area (24) that described metal wire (1) is provided with have approximate rectangular cross section, wherein, wider side (b) cross section in both sides surpass zone at the metal wire (1) of described circle stretches out in described cross section; Construct retaining zone (12) in the zone of described nip region (24) by the stamping-out step in the second procedure of processing; And then form the described section (11) that is pressed in described stamped area (24) by another one-sided punch steps in the 3rd procedure of processing; And isolate each contact element (10) by stamping-out from described continuous metal wire (1) in the 4th procedure of processing.
3. in accordance with the method for claim 2, it is characterized in that, described be pressed into section (11) by two of punching presses, surpass the contact section (29,30) that the cross section of section (a) of remaining rectangle of described stamped area (24) stretches out and form.
4. in accordance with the method for claim 3, it is characterized in that, carry out the punching press of described contact section (29,30) from a side of described stamped area (24).
5. according to the described method of claim 3 or 4, it is characterized in that, described punch steps produces recess (31) described in being pressed into section (11).
6. according to the described method of any one in claim 1 to 5, it is characterized in that, by coating procedure, particularly process the surface of described metal wire (1) by electroplating process.
7. a contact element of making according to the described method of any one in claim 1 to 6, is characterized in that, described contact element (10) is arranged between circuit board (21) and sensor element as Connection Element.
8. according to contact element claimed in claim 7, it is characterized in that, described retaining zone (12) has the wide width (b) of twice of wire diameter of being almost (d).
9. according to contact element claimed in claim 8, it is characterized in that, described retaining zone (12) has two and keeps seamed edge (27,28), and described maintenance seamed edge vertically extends with respect to the longitudinal axis (26) of described contact element (10).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010040561A DE102010040561A1 (en) | 2010-09-10 | 2010-09-10 | Method for producing pin-shaped contact elements and contact element |
| DE102010040561.2 | 2010-09-10 | ||
| PCT/EP2011/065441 WO2012032077A1 (en) | 2010-09-10 | 2011-09-07 | Method for producing pin-shaped contact elements and contact element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103109422A true CN103109422A (en) | 2013-05-15 |
| CN103109422B CN103109422B (en) | 2015-07-22 |
Family
ID=44583048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180043247.6A Active CN103109422B (en) | 2010-09-10 | 2011-09-07 | Method for producing pin-shaped contact elements and contact element |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2614559B1 (en) |
| CN (1) | CN103109422B (en) |
| DE (1) | DE102010040561A1 (en) |
| WO (1) | WO2012032077A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963476A (en) * | 2017-05-17 | 2018-12-07 | 英飞凌科技股份有限公司 | Method for being electrically connected electronic module and electronic building brick |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692909B (en) * | 2019-01-14 | 2023-12-15 | 上海徕木电子股份有限公司 | Preparation process of fish fork terminal for connector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1149332A (en) * | 1967-01-27 | 1969-04-23 | Amp Inc | Electrical contact pins and method of manufacture |
| US3634819A (en) * | 1970-03-18 | 1972-01-11 | William Robert Evans | Resilient pin and method of production thereof |
| US4586778A (en) * | 1983-08-25 | 1986-05-06 | Bmc Industries, Inc. | Compliant pin |
| US4606589A (en) * | 1984-01-12 | 1986-08-19 | H & V Services | Compliant pin |
| US4831728A (en) * | 1987-06-05 | 1989-05-23 | Northern Telecom Limited | Method of making circuit board pin |
| US5893779A (en) * | 1996-10-18 | 1999-04-13 | Autosplice Systems Inc. | Conforming press-fit contact pin for printed circuit board |
| DE202006000183U1 (en) * | 2006-01-07 | 2006-05-11 | Sorig, Ludger | Press-in contact pin for pressing into a through-hole-plated hole in a printed circuit board has a press-in contact to form two outwardly curved contact limbs each separated by an oblong slot |
-
2010
- 2010-09-10 DE DE102010040561A patent/DE102010040561A1/en not_active Withdrawn
-
2011
- 2011-09-07 EP EP11754393.4A patent/EP2614559B1/en active Active
- 2011-09-07 WO PCT/EP2011/065441 patent/WO2012032077A1/en active Application Filing
- 2011-09-07 CN CN201180043247.6A patent/CN103109422B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1149332A (en) * | 1967-01-27 | 1969-04-23 | Amp Inc | Electrical contact pins and method of manufacture |
| US3634819A (en) * | 1970-03-18 | 1972-01-11 | William Robert Evans | Resilient pin and method of production thereof |
| US4586778A (en) * | 1983-08-25 | 1986-05-06 | Bmc Industries, Inc. | Compliant pin |
| US4606589A (en) * | 1984-01-12 | 1986-08-19 | H & V Services | Compliant pin |
| US4831728A (en) * | 1987-06-05 | 1989-05-23 | Northern Telecom Limited | Method of making circuit board pin |
| US5893779A (en) * | 1996-10-18 | 1999-04-13 | Autosplice Systems Inc. | Conforming press-fit contact pin for printed circuit board |
| DE202006000183U1 (en) * | 2006-01-07 | 2006-05-11 | Sorig, Ludger | Press-in contact pin for pressing into a through-hole-plated hole in a printed circuit board has a press-in contact to form two outwardly curved contact limbs each separated by an oblong slot |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963476A (en) * | 2017-05-17 | 2018-12-07 | 英飞凌科技股份有限公司 | Method for being electrically connected electronic module and electronic building brick |
| US11114780B2 (en) | 2017-05-17 | 2021-09-07 | Infineon Technologies Ag | Electronic module with an electrically conductive press-fit terminal having a press-fit section |
| CN108963476B (en) * | 2017-05-17 | 2022-09-23 | 英飞凌科技股份有限公司 | Method for electrically connecting an electronic module and an electronic assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103109422B (en) | 2015-07-22 |
| WO2012032077A1 (en) | 2012-03-15 |
| DE102010040561A1 (en) | 2012-03-15 |
| EP2614559A1 (en) | 2013-07-17 |
| EP2614559B1 (en) | 2017-11-15 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |