EP2516776B1 - Method for producing lock retainers and lock retainer - Google Patents
Method for producing lock retainers and lock retainer Download PDFInfo
- Publication number
- EP2516776B1 EP2516776B1 EP20100798482 EP10798482A EP2516776B1 EP 2516776 B1 EP2516776 B1 EP 2516776B1 EP 20100798482 EP20100798482 EP 20100798482 EP 10798482 A EP10798482 A EP 10798482A EP 2516776 B1 EP2516776 B1 EP 2516776B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lock
- yoke
- base plate
- cold
- recess
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 claims description 25
- 238000000641 cold extrusion Methods 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 18
- 238000004080 punching Methods 0.000 description 14
- 239000002994 raw material Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000012805 post-processing Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000011265 semifinished product Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/04—Strikers
- E05B85/045—Strikers for bifurcated bolts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0004—Lock assembling or manufacturing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49982—Coating
- Y10T29/49986—Subsequent to metal working
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/68—Keepers
Definitions
- the invention relates to a method for producing the lock holder of locks, preferably motor vehicle locks, wherein the consisting of base plate with retaining holes, lock bracket with two stirrup legs and closing bar and recess lock holder is made in one piece and wherein the recess a part of the catch of the motor vehicle lock when closing the vehicle door receiving and the stirrup leg encompassed by the part is designed to correspond with the catch.
- the invention also relates to a lock holder for a lock, preferably a motor vehicle lock, consisting of a base plate with two or more retaining holes and a lock bracket with a closing web, stirrup leg and encompassed stirrup leg predetermining recess.
- Such lock holders are applicable for motor vehicle locks but also in connection with locks for doors, gates and locks of buildings.
- Lock holder for locks in various designs are z. B. basically known for motor vehicle locks.
- the DE 20 2007 012 253 A1 and the DE 10 2007 041 479 A1 describe and show a lock holder of a motor vehicle lock, which is designed so that it can be manufactured with relatively little effort.
- DE 20 2007 012 253 A1 is designed as a flat band upper closing bar designed so that it protrudes beyond the inlet region of the base plate, whereby an increased tensile strength of the locking mechanism in the closed state, ie, especially in the event of a crash is achieved.
- the lock holder is designed in two parts, wherein the retaining bolt is a separate component which is captively connected to the bracket and the bracket.
- the actual retaining bolt has an end as a collar to stabilize this entire component to ensure that the lock can be opened even in the event of a crash.
- a lock holder for motor vehicle locks is described, which is made in one piece by cold deformation.
- Such a lock holder is preferably produced by cold pressing and that cheaper than the lock holder types described above, which are usually made in two parts. Nevertheless, the effort is considerable here as well, because each individual lock holder has to be produced by a complex pressing process and then machined.
- WO 2006/053431 A1 a lock holder is produced by punching and punching, which is also produce in unusual geometries.
- the invention is therefore based on the object to propose a method for easy production of a stable lock holder that requires no post-processing and a corresponding lock holder itself.
- the task is procedurally achieved in that the lock holder is formed by cold extrusion from a preferably round raw material by massive forming a T-shaped semifinished product and thus produced in its basic overall geometry, while the retaining holes and the recess in the lock bracket then from the in high cold heading quality present semifinished product are formed.
- the raw material produced by shearing from a round or square or square solid rod and then by cold extrusion to the lock bracket and base plate predetermining T-shaped semi-finished chamfering the holding holes by pressing through one, preferably a plurality of matrices is transformed.
- the raw material representing the starting point of the process is always shaped the same and has the same amount of available material, because it is sheared off from a preferably round solid bar, in order then dies or the cold extrusion process to be fed.
- the output parts are all treated the same to give the lock bracket and base plate exhibiting T-shaped semi-finished, which is then appropriately further deformed or completed to the desired lock holder.
- the basic steps performing cold extrusion produces, as already mentioned several times this T-shaped semi-finished products, which as such but a reworking of the surface does not require, but rather optimally shaped and trained for further operation and in particular the processing in the lock available.
- the lock bracket is so far massively reshaped by cold extrusion in the axial direction with the stirrup legs and omitting the base plate, that subsequently the recess in the lock bracket can be made by cold punching co-generation of the required for gripping the catch quarter circle around the associated stirrup leg.
- Retaining holes and recess are made by punching or laser cutting, which does not constitute a post-processing, but rather also listened to the manufacturing steps. Since lock holders are usually produced in large numbers, the reduction in production costs makes a very positive overall impression. In addition, the increased mechanical strength is emphasized.
- the lock holder can be brought with the inventive method of one piece in the final geometry.
- the different cross-sectional strengths allow an adaptation of the cross-sectional shape, so that the optimal overall geometry is realized at the end. This means that material can be reduced in weakly loaded areas of the lock holder and material can be accumulated in the heavily loaded area. Particular preference is given to a sectionwise increase in the cross-sectional thickness by more than 30%, for example in the region of the bar arms.
- the cross-sectional strengths are measured in the normal direction of the surface of the lock holder. While in known lock holders which have been produced from sheet steel, the cross-sectional thickness is almost constant and corresponds to the sheet thickness of the steel sheet, the process end product according to the invention is better adapted to the loads occurring with its different cross-sectional strengths.
- the necessary manufacturing steps can be selectively reduced by the recess and the retaining holes are produced in the context of cold extrusion by using transverse inserts.
- transverse inserts it is particularly well possible in the weakly loaded areas to reduce material and heavily contaminated areas supply, so then gives the above-mentioned optimal lock holder.
- the high loads exposed transverse inserts for the preparation of the recess and the retaining holes give the opportunity to selectively supply the "superfluous" material to the highly loaded areas of the lock holder and accumulate here and thus optimally optimize the resilience of the lock holder without reworking is necessary.
- a cold heading steel preferably a 33B 2 matnr. 1.5514 with ⁇ 0.009 wt% Boron Rm max. 580 N / mm 2 is used, preferably with 0.005 wt.% Boron.
- the addition of boron increases the good cold flowability and at the same time also increases the optimum formation of the surface of the entire component.
- a round or square or square raw material can also be a cold heading steel 35B 2 matnr. 1.5511 with max. 0.005 wt.% Boron Rm 500 - 650 N / mm 2 .
- this cold heading steel can be optimally used by the addition of boron for cold extrusion and leads to the good properties of the component, as described earlier.
- a stainless steel X5CrNi1810 can be used.
- the entire lock holder provided after completion with a corrosion protection layer and / or that during punching a particular surface structure resulting grooves or knurls is applied to the associated stirrup leg.
- the corrosion coating is a kind of post-processing, but is not processing in the sense that only one layer must be applied and no change in the overall geometry is necessary.
- the anti-corrosion layer ensures that the lock holder made of cold-heading steel can optimally perform its task in the motor vehicle lock.
- the applied grooves or knurling or even simple Grooves or webs ensure even force transmission and avoid annoying background noise (creaking).
- a stainless steel X5CrNi1810 preferably with 0.08 - 0.12% C, 1% Si and 16 - 20% Cr can be used.
- a lock holder produced by the method according to the invention consists of a base plate with two or more retaining holes and a lock bracket with a closing web and bracket leg predetermining recess.
- This lock holder solves the object according to the invention in that the base plate and lock bracket are integrally formed from a preferably round, rod-shaped raw material by cold extrusion under specification of the shape of the closing web and the stirrup leg and the base plate and that then the recess and the retaining holes are generated by cold punching.
- a lock holder is created, which can be used immediately after the punching of the holding holes and the recess without any further processing or post-processing step.
- the saving of the post-processing is important for pricing, because additional organizational and process steps are eliminated, but in particular the production time is minimized. It is particularly advantageous that in cold extrusion the possibility is exploited, weakly loaded areas of the lock holder targeted by "dissipation" of material to "weaken" while heavily loaded areas of the lock holder can be selectively reinforced by additional material. Another advantage is that not only post-processing steps are unnecessary, but that the entire surface is present in high cold crushing quality, with roughness depths of 12 - 18 microns. During subsequent punching then the special surface structure has been applied to the loaded stirrup leg.
- the base plate is formed with the lock bracket in a multi-stage press. Shearing off or Cutting the raw material pieces from the solid rod material is integrated into the overall operation and, if possible, assigned to the first stage of the multi-stage press, with advantageously shortening being possible instead of shearing off. Also, the step of manufacturing the recess and the retaining holes is integrated as far as possible in the multi-stage process, then just in the last part of such a multi-stage press.
- the raw material used is preferably a round rod-shaped cold-upsetting steel, preferably a 33B 2 matnr. 1.5514 or a 35B 2 matnr. 1.5511 with max. 0.005 wt.% Boron or a stainless steel.
- the base plate is first worked out of the rod-shaped base material or raw material, whereupon then the lock bracket is produced by cold extrusion.
- the base plate is circular and the lock bow in the middle of the base plate is formed like a torus or outstanding.
- the recess and the retaining holes can be made so that the lock bracket is in the form of a gate, and depending on the nature of the manufacturing of the recess and the retaining holes material can be cleverly moved again, if it was in the previous Work steps in the multi-stage press for some reason could not be put in the correct position. All of this is possible because the high pressure creates a temperature that allows the bar stock to be deformed to form a one-piece, stable lock holder when completed.
- the base plate and the bar arms and the closing bar it is expedient to leave around the bar arms a kind of bulge, which is used according to the invention that the bar arms have a kind of base in the bulge on the base plate.
- the bulge arises when forming the base plate and the lock handle.
- the closing web is equipped on one or both sides with shoulders sloping down to the outer edges of the bar arms and one or both bar arms have a bulged curvature.
- This shaping also brings advantages in the production process, so that for these reasons and because of the advantageous stability values, such a shaping is expedient.
- the invention is characterized in particular by the provision of a method and a subsequently produced lock holder, which make it possible to produce the lock holder in one piece, wherein the individual working steps are selected so skilfully that it is possible to manage with a few pressing operations or work processes.
- the single lock holder is removed from a solid bar material, so that already the round shape of the base plate is predetermined. It is then only necessary to form from this round rod material, the base plate and the unit forming a lock bracket, so that then only the recess in the lock bracket and retaining holes must be made. So you can deal with relatively few steps, but receives after completion of this process, an end product, ie, a lock holder, the immediately without any further processing steps z. B. can be used in motor vehicle lock use. Due to its overall geometry, which has already been realized in the manufacturing process, this lock holder has a shape which ensures optimum use both from the application load and also from the other conditions of use.
- FIG. 1 shows a perspective reproduced lock holder 1.
- the base plate 2 is circular, wherein the retaining holes 3, 4 are arranged on the outer circle of the base plate 2 in such a way that the remaining protruding from the base plate 2 components also centrally of the base plate 2 are.
- the stirrup leg 5 is reinforced.
- About the closing web 6 of the bar arm 5 is connected to the hanger arm 8, so that there is an overall reinforced lock bracket.
- Closing bar 6 and comprehensive bar leg 8 are connected to each other at the free end 7 or even merge into one another. Centered between the hanger arm 5 and hanger arm 8, the recess 10 is provided, through which engages the rotary latch, not shown around the hanger arm 8 or 5.
- both the bar arm 5 and the bar arm 8 are connected via a kind of bulge 11 with the actual base plate 2 and are formed out of this. This creates a common base 12, which also contributes to the stabilization of the entire lock holder 1. About the widened base 12 of the stirrup leg 5, 8 of the lock bracket 9 go uniformly in the base plate 2 over.
- the stirrup leg 5 points after FIG. 1 a corrosion layer 20, which is only necessary if you do not work with stainless steel.
- the corrosion layer 20 is usually applied to the base plate 2 and the lock bracket 9. Is recognizable in FIG. 1 furthermore, that at Cold punching of recess 10 and retaining holes 3, 4 at the same time for embracing the rotary latch not shown here smooth quarter circle (between 9 and 12 o'clock) on the encompassed hanger arm 8 is created during punching or (between 12 and 3 o'clock) at the hanger arm 5, if this is covered by the catch.
- the special surface structure 20 ' is provided, which is applied during punching.
- the hanger arm 8 preferably also has this surface structure 20 '.
- FIG. 1 illustrates that a corresponding lock holder 1 has been formed out of a bar-shaped monolith by cold extrusion.
- the shearing off or cutting to length of this rod-shaped monolith takes place, from which the base plate 2, which is already predetermined by the outer contours, is then formed in a first pressing process.
- the unit is transformed by bar arms 5, 8 and 6 closing bar, which as already mentioned earlier, therefore, while maintaining the connection with the base plate 2 is possible because of the cold extrusion process temperatures of about 900 ° C can be achieved, which a corresponding deformation favors.
- the recess 10 and the retaining holes 3, 4 is then produced.
- FIG. 2 shows a plan view, which is again made clear here that has been piled on the inside 19 of the retaining bolt 5 material, so as to achieve this bulbous curvature 18.
- the bulge 11 is somewhat narrow in this representation, also it can be seen that the base plate 2 here has no circular shape, but rather is somewhat oval cut, because this is advantageous in certain motor vehicle locks. In general, such a special shape for the base plate 2 but not required.
- FIG. 3 actually shows the special shape of the closing web 6, 15 at the outer edges 14, 15 sloping shoulders 16, 17 has.
- FIG. 3 shows the special shape of the closing web 6, 15 at the outer edges 14, 15 sloping shoulders 16, 17 has.
- the bar arm 5 is formed reinforced. He has about 20 - 40% more mass than the hanger arm 8.
- FIG. 1 Reproduced with 11 designated bulge which ultimately creates a kind of starting radius, which is accompanied by an increase in the material thickness and thus the cross-sectional thickness of the base plate 2 in this area.
- FIG. 1 conveys the impression that this between the bracket leg 5 and the encompassed bar leg 8 continuous bulge 11 widened towards the stirrup leg 5 back.
- this is not absolutely necessary and only results if the stirrup leg 5 has a larger diameter than the stirrup leg 8.
- the lock holder 1 in the manner shown is formed as a one-piece and very solid component, wherein, as already mentioned advantageous at least 5% or even 20% of the base surface of the base plate 2 has a different cross-sectional thickness. Under base surfaces are the top and bottom surfaces and not the lateral edge surfaces of the base plate 2 to understand. In the illustration shown FIG. 1 are the retaining holes 3, 4 and the areas of the bulge 11 formed with different cross-sectional thicknesses.
- the surface structure 20 ' is applied to compensate for the load in the contact region of the rotary latch by punching. These are grooves or webs, threads or grooves or knurls on or in the outer wall of the bar arms 5, 8, which lead to a reduction of the load, in particular also the noise load. This surface structure 20 'is generated when punching the recess 10, so that a separate operation is not required.
Landscapes
- Forging (AREA)
- Lock And Its Accessories (AREA)
- Body Structure For Vehicles (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
Die Erfindung betrifft ein Verfahren zum Herstellen des Schlosshalters von Schlössern, vorzugsweise Kraftfahrzeugschlössern, wobei der aus Grundplatte mit Haltebohrungen, Schlossbügel mit zwei Bügelschenkeln und Schließsteg sowie Ausnehmung bestehende Schlosshalter einstückig hergestellt wird und wobei die Ausnehmung ein Teil der Drehfalle des Kraftfahrzeugschlosses beim Schließen der Kraftfahrzeugtür aufnehmend und der von dem Teil umfasste Bügelschenkel mit der Drehfalle korrespondierend ausgeführt werden. Die Erfindung betrifft außerdem einen Schlosshalter für ein Schloss, vorzugsweise ein Kraftfahrzeugschloss, bestehend aus einer Grundplatte mit zwei oder mehr Haltebohrungen und einem Schlossbügel mit einer Schließsteg, Bügelschenkel und umfassten Bügelschenkel vorgebender Ausnehmung. Derartige Schlosshalter sind für Kraftfahrzeugschlösser aber auch im Zusammenhang mit Schlössern für Türen, Tore und Schließanlagen von Gebäuden anwendbar.The invention relates to a method for producing the lock holder of locks, preferably motor vehicle locks, wherein the consisting of base plate with retaining holes, lock bracket with two stirrup legs and closing bar and recess lock holder is made in one piece and wherein the recess a part of the catch of the motor vehicle lock when closing the vehicle door receiving and the stirrup leg encompassed by the part is designed to correspond with the catch. The invention also relates to a lock holder for a lock, preferably a motor vehicle lock, consisting of a base plate with two or more retaining holes and a lock bracket with a closing web, stirrup leg and encompassed stirrup leg predetermining recess. Such lock holders are applicable for motor vehicle locks but also in connection with locks for doors, gates and locks of buildings.
Schlosshalter für Schlösser in verschiedener Ausführung sind z. B. für Kraftfahrzeugschlösser grundsätzlich bekannt. Die
Der Erfindung liegt daher die Aufgabe zu Grunde, ein Verfahren zur einfachen Herstellung eines stabilen Schlosshalters vorzuschlagen, das keinerlei Nachbearbeitung erfordert und einen entsprechenden Schlosshalter selbst.The invention is therefore based on the object to propose a method for easy production of a stable lock holder that requires no post-processing and a corresponding lock holder itself.
Die Aufgabe wird verfahrensgemäß dadurch gelöst, dass der Schlosshalter durch Kaltfließpressen aus einem vorzugsweise runden Rohmaterial durch massives Umformen zu einem T-förmigen Halbzeug geformt und damit in seiner grundsätzlichen Gesamtgeometrie hergestellt wird, während die Haltebohrungen und die Ausnehmung im Schlossbügel anschließend aus dem in hoher Kaltstauchqualität vorliegenden Halbzeug ausgeformt werden.The task is procedurally achieved in that the lock holder is formed by cold extrusion from a preferably round raw material by massive forming a T-shaped semifinished product and thus produced in its basic overall geometry, while the retaining holes and the recess in the lock bracket then from the in high cold heading quality present semifinished product are formed.
Bei Verwirklichung eines derartigen Verfahrens wird in meist zwei bis fünf Arbeitsschritten aus einem vorzugsweise runden Monolith aus Stahl ein kompletter Schlosshalter hergestellt, wobei es über das Kaltfließpressen möglichen ist, eine Gesamtgeometrie zu verwirklichen, die eine Nachbearbeitung auf jeden Fall überflüssig macht. Beim Kaltfließpressen handelt es sich um eine Massivumformung, bei der in einem mehrstufigen Fertigungsvorgang über Mehrstufenpressen sowohl Hohl- als auch Vollkörper hergestellt werden können. Der Werkstoff wird unter Einwirkung eines hohen Druckes zum Fließen gebracht, wobei Temperaturen bis etwa 900 °C im Objekt, d. h. also in dem Schlosshalter auftreten können, die wie erwähnt dazu führen, dass eine Umformung eintritt, die jede Nachbearbeitung überflüssig macht. Mit einem solchen Verfahren ist es nun überraschend möglich, einen Schlosshalter herzustellen, der keine Nachbearbeitung erfordert, sondern der sofort im Kraftfahrzeugschloss verarbeitungsfähig ist.In the realization of such a method is usually made in two to five steps from a preferably round monolith made of steel, a complete lock holder, it is possible on the cold extrusion, to realize a total geometry, the post-processing in any case makes superfluous. Cold extrusion is a massive forming process in which both hollow and solid bodies can be produced in a multistage production process using multi-stage presses. The material is made to flow under the action of a high pressure, with temperatures up to about 900 ° C in the object, ie so can occur in the lock holder, which as mentioned cause a transformation occurs, which makes any post-processing unnecessary. With such a method, it is now surprisingly possible to produce a lock holder, which requires no post-processing, but which is immediately processable in the motor vehicle lock.
Nach einer zweckmäßigen Weiterbildung ist vorgesehen, dass vor dem Kaltfließpressen das Rohmaterial durch Abscheren aus einer runden oder eckigen oder quadratischen Vollstange erzeugt und dann durch Kaltfließpressen zu dem Schlossbügel und Grundplatte vorgebenden T-förmigen Halbzeug unter Anfasung der Haltebohrungen durch Hindurchpressen durch eine, vorzugsweise mehrere Matrizen umgeformt wird. Bei Verwirklichung dieser Weiterentwicklung ist zunächst einmal sichergestellt, dass das den Ausgangspunkt des Verfahrens darstellende Rohmaterial immer gleich geformt ist und das gleiche in gleicher Menge zur Verfügung stehende Material aufweist, denn es wird aus einer vorzugsweise runden Vollstange abgeschert, um dann Matrizen bzw. dem Kaltfließpressverfahren zugeführt zu werden. Hier werden die Ausgangsteile alle gleich behandelt, um Schlossbügel und Grundplatte aufweisendes T-förmiges Halbzeug zu ergeben, das dann zweckmäßig weiterverformt wird bzw. zu dem gewünschten Schlosshalter vervollständigt wird. Das die grundsätzlichen Arbeitsschritte darstellende Kaltfließpressen erbringt wie schon mehrfach erwähnt diese T-förmigen Halbzeuge, die als solche aber ein Nacharbeitung der Oberfläche nicht erfordern, sondern vielmehr für den weiteren Arbeitsgang und insbesondere die Verarbeitung im Schloss optimal geformt und ausgebildet zur Verfügung stehen.After an expedient development is provided that before the cold extrusion, the raw material produced by shearing from a round or square or square solid rod and then by cold extrusion to the lock bracket and base plate predetermining T-shaped semi-finished chamfering the holding holes by pressing through one, preferably a plurality of matrices is transformed. In realizing this further development, it is first of all ensured that the raw material representing the starting point of the process is always shaped the same and has the same amount of available material, because it is sheared off from a preferably round solid bar, in order then dies or the cold extrusion process to be fed. Here, the output parts are all treated the same to give the lock bracket and base plate exhibiting T-shaped semi-finished, which is then appropriately further deformed or completed to the desired lock holder. The basic steps performing cold extrusion produces, as already mentioned several times this T-shaped semi-finished products, which as such but a reworking of the surface does not require, but rather optimally shaped and trained for further operation and in particular the processing in the lock available.
Nach einer weiteren zweckmäßigen Weiterbildung des Verfahrens ist vorgesehen, dass zunächst die Grundplatte in Achsrichtung des vorzugsweise runden Rohmaterials herausgeformt, dann der Schlossbügel durch Kaltfließpressen in axialer Richtung mit den Bügelschenkeln und unter Auslassung der Grundplatte so weit massiv umgeformt wird, dass anschließend die Ausnehmung im Schlossbügel durch Kaltstanzen unter Miterzeugung des für das Umgreifen der Drehfalle benötigten Viertelkreises um den zugeordneten Bügelschenkel hergestellt werden kann. Haltebohrungen und Ausnehmung werden durch Stanzen oder Laserschneiden hergestellt, wobei dieses keine Nachbearbeitung darstellt, sondern vielmehr noch zu den Fertigungsschritten mitgehört. Da Schlosshalter überlicherweise in großen Stückzahlen hergestellt werden, macht sich die Verringerung der Herstellungskosten insgesamt sehr positiv bemerkbar. Darüber hinaus ist die erhöhte mechanische Belastbarkeit hervorzuheben. Anders als beim Stand der Technik kann der Schlosshalter mit dem erfindungsgemäßen Verfahren aus einem Stück in die Abschlussgeometrie gebracht werden. Die unterschiedlichen Querschnittsstärken erlauben eine Anpassung der Querschnittsform, sodass die optimale Gesamtgeometrie am Ende verwirklicht ist. Dies bedeutet, in schwach belasteten Bereichen des Schlosshalters kann Material reduziert und im stark belasteten Bereich Material angehäuft werden. Insbesondere bevorzugt ist dabei eine abschnittsweise Erhöhung der Querschnittsstärke um mehr als 30 %, beispielsweise im Bereich der Bügelschenkel. Die Querschnittsstärken sind dabei in Normalrichtung der Oberfläche des Schlosshalters gemessen. Während bei bekannten Schlosshaltern die aus Stahlblech hergestellt worden sind, die Querschnittsstärke nahezu konstant ist und der Blechstärke des Stahlbleches entspricht, ist das erfindungsgemäße Verfahrensendprodukt mit seinen unterschiedlichen Querschnittsstärken besser an die auftretenden Belastungen angepasst.According to a further expedient development of the method, it is provided that first the base plate in the axial direction of the preferably round raw material molded out, then the lock bracket is so far massively reshaped by cold extrusion in the axial direction with the stirrup legs and omitting the base plate, that subsequently the recess in the lock bracket can be made by cold punching co-generation of the required for gripping the catch quarter circle around the associated stirrup leg. Retaining holes and recess are made by punching or laser cutting, which does not constitute a post-processing, but rather also listened to the manufacturing steps. Since lock holders are usually produced in large numbers, the reduction in production costs makes a very positive overall impression. In addition, the increased mechanical strength is emphasized. Unlike the prior art, the lock holder can be brought with the inventive method of one piece in the final geometry. The different cross-sectional strengths allow an adaptation of the cross-sectional shape, so that the optimal overall geometry is realized at the end. This means that material can be reduced in weakly loaded areas of the lock holder and material can be accumulated in the heavily loaded area. Particular preference is given to a sectionwise increase in the cross-sectional thickness by more than 30%, for example in the region of the bar arms. The cross-sectional strengths are measured in the normal direction of the surface of the lock holder. While in known lock holders which have been produced from sheet steel, the cross-sectional thickness is almost constant and corresponds to the sheet thickness of the steel sheet, the process end product according to the invention is better adapted to the loads occurring with its different cross-sectional strengths.
Die notwendigen Herstellungsschritte können gezielt reduziert werden, indem die Ausnehmung und die Haltebohrungen im Rahmen des Kaltfließpressens durch Verwendung von Quereinsätze hergestellt werden. Bei einem solchen Herstellungsverfahrensschritt ist es besonders gut möglich, in den schwach belasteten Bereichen Material zu reduzieren und stark belasteten Bereichen zuzuführen, sodass sich dann der weiter vorne erwähnte optimale Schlosshalter ergibt. Die hohen Belastungen ausgesetzten Quereinsätze zur Herstellung der Ausnehmung und der Haltebohrungen geben die Möglichkeit, das "überflüssige" Material gezielt den hoch belasteten Bereichen des Schlosshalters zuzuführen und hier anzuhäufen und damit die Belastbarkeit des Schlosshalters gezielt zu optimieren, ohne dass eine Nachbearbeitung notwendig wird.The necessary manufacturing steps can be selectively reduced by the recess and the retaining holes are produced in the context of cold extrusion by using transverse inserts. In such a manufacturing process step, it is particularly well possible in the weakly loaded areas to reduce material and heavily contaminated areas supply, so then gives the above-mentioned optimal lock holder. The high loads exposed transverse inserts for the preparation of the recess and the retaining holes give the opportunity to selectively supply the "superfluous" material to the highly loaded areas of the lock holder and accumulate here and thus optimally optimize the resilience of the lock holder without reworking is necessary.
Nach einer weiteren zweckmäßigen Weiterbildung ist vorgesehen, dass als rundes oder eckiges oder quadratisches Rohmaterial ein Kaltstauchstahl, vorzugsweise ein 33B2 matnr. 1.5514 mit < 0,009 Gew. % Bor Rm max. 580 N/mm2 eingesetzt wird, vorzugsweise mit 0,005 Gew. % Bor. Der Zusatz an Bor erhöht die gute Kaltfließfähigkeit und erhöht gleichzeitig auch die optimale Ausbildung der Oberfläche des gesamten Bauteils.According to a further expedient development it is provided that as a round or square or square raw material a cold heading steel, preferably a 33B 2 matnr. 1.5514 with <0.009 wt% Boron Rm max. 580 N / mm 2 is used, preferably with 0.005 wt.% Boron. The addition of boron increases the good cold flowability and at the same time also increases the optimum formation of the surface of the entire component.
Als rundes oder eckiges oder quadratisches Rohmaterial kann auch ein Kaltstauchstahl 35B2 matnr. 1.5511 mit max. 0,005 Gew. % Bor Rm 500 - 650 N/mm2 verwendet werden. Auch dieser Kaltstauchstahl kann durch den Zusatz an Bor für das Kaltfließpressen optimal verwendet werden und führt zu den guten Eigenschaften des Bauteils, wie weiter vorne schon beschrieben. Auch ein Edelstahl X5CrNi1810 ist einsetzbar.As a round or square or square raw material can also be a cold heading steel 35B 2 matnr. 1.5511 with max. 0.005 wt.% Boron Rm 500 - 650 N / mm 2 . Also, this cold heading steel can be optimally used by the addition of boron for cold extrusion and leads to the good properties of the component, as described earlier. Also a stainless steel X5CrNi1810 can be used.
Insbesondere bei Einsatz von Kaltstauchstahl ist es von Vorteil, wenn der gesamte Schlosshalter nach Fertigstellung mit einer Korrosionsschutzschicht versehen und/oder dass beim Stanzen eine besondere Oberflächenstruktur ergebende Riefen oder Rändelungen auf den zugeordneten Bügelschenkel aufgebracht wird. Die Korrosionsbeschichtung stellt zwar eine Art Nachbearbeitung dar, ist aber keine Bearbeitung in dem Sinne, weil nur eine Schicht aufgebracht werden muss und keine Veränderung der Gesamtgeometrie notwendig wird. Über die Korrosionsschutzschicht ist gewährleistet, dass der Schlosshalter aus Kaltstauchstahl seine Aufgabe im Kraftfahrzeugschloss optimal ausüben kann. Die aufgebrachten Riefen oder Rändelungen oder auch einfachen Rillen oder Stege sorgen für eine gleichmäßige Krafteinleitung und Vermeidung lästiger Nebengeräusche (Knarzen).In particular, when using cold heading steel, it is advantageous if the entire lock holder provided after completion with a corrosion protection layer and / or that during punching a particular surface structure resulting grooves or knurls is applied to the associated stirrup leg. Although the corrosion coating is a kind of post-processing, but is not processing in the sense that only one layer must be applied and no change in the overall geometry is necessary. The anti-corrosion layer ensures that the lock holder made of cold-heading steel can optimally perform its task in the motor vehicle lock. The applied grooves or knurling or even simple Grooves or webs ensure even force transmission and avoid annoying background noise (creaking).
Darüber hinaus kann als rundes oder eckiges oder quadratisches Rohmaterial ein Edelstahl X5CrNi1810, vorzugsweise mit 0,08 - 0,12 % C, 1 % Si und 16 - 20 % Cr eingesetzt werden.In addition, as a round or square or square raw material, a stainless steel X5CrNi1810, preferably with 0.08 - 0.12% C, 1% Si and 16 - 20% Cr can be used.
Ein nach dem erfindungsgemäßen Verfahren hergestellter Schlosshalter besteht aus einer Grundplatte mit zwei oder mehr Haltebohrungen und einem Schlossbügel mit einer Schließsteg und Bügelschenkel vorgebenden Ausnehmung. Dieser Schlosshalter löst die erfindungsgemäße Aufgabe dadurch, dass Grundplatte und Schlossbügel einstückig aus einem vorzugsweise runden, stangenförmigen Rohmaterial durch Kaltfließpressen unter Vorgabe der Form des Schließsteges und der Bügelschenkel sowie der Grundplatte umgeformt sind und dass dann die Ausnehmung und die Haltebohrungen durch Kaltstanzen erzeugt sind. Damit ist ein Schlosshalter geschaffen, der nach dem Ausstanzen der Haltebohrungen und der Ausnehmung ohne jeden weiteren Bearbeitungs- oder Nachbearbeitungsschritt sofort eingesetzt werden kann. Die Einsparung der Nachbearbeitung ist für die Preisbildung wichtig, weil zusätzliche Organisations- und Verfahrensschritte entfallen, insbesondere aber auch die Herstellungszeit dadurch minimiert wird. Besonders vorteilhaft ist, dass bei dem Kaltfließpressen die Möglichkeit ausgenutzt wird, schwach belastete Bereiche des Schlosshalters gezielt durch Abführung von Material zu "schwächen", während stark belastete Bereiche des Schlosshalters gezielt durch zusätzliches Material verstärkt werden können. Vorteilhaft ist weiter, dass nicht nur Nachbearbeitungsschritte sich erübrigen, sondern dass die gesamte Oberfläche in hoher Kaltstauchqualität vorliegt, mit Rautiefen von 12 - 18 µm. Beim anschließenden Stanzen ist dann die besondere Oberflächenstruktur auf den belasteten Bügelschenkel aufgebracht worden.A lock holder produced by the method according to the invention consists of a base plate with two or more retaining holes and a lock bracket with a closing web and bracket leg predetermining recess. This lock holder solves the object according to the invention in that the base plate and lock bracket are integrally formed from a preferably round, rod-shaped raw material by cold extrusion under specification of the shape of the closing web and the stirrup leg and the base plate and that then the recess and the retaining holes are generated by cold punching. Thus, a lock holder is created, which can be used immediately after the punching of the holding holes and the recess without any further processing or post-processing step. The saving of the post-processing is important for pricing, because additional organizational and process steps are eliminated, but in particular the production time is minimized. It is particularly advantageous that in cold extrusion the possibility is exploited, weakly loaded areas of the lock holder targeted by "dissipation" of material to "weaken" while heavily loaded areas of the lock holder can be selectively reinforced by additional material. Another advantage is that not only post-processing steps are unnecessary, but that the entire surface is present in high cold crushing quality, with roughness depths of 12 - 18 microns. During subsequent punching then the special surface structure has been applied to the loaded stirrup leg.
Gemäß der Erfindung ist vorgesehen, dass die Grundplatte mit dem Schlossbügel in einer Mehrstufenpresse umgeformt ist. Das Abscheren oder Ablängen der Rohmaterialstücke vom Vollstangenmaterial wird mit in den Gesamtarbeitsvorgang integriert und nach Möglichkeit der ersten Stufe der Mehrstufenpresse zugeordnet, wobei vorteilhaft statt des Abscherens auch ein Ablängen möglich ist. Auch der Arbeitsschritt der Herstellung der Ausnehmung und der Haltebohrungen wird nach Möglichkeit mit in den Mehrstufenprozess eingebunden, dann eben in den letzten Teil einer solchen Mehrstufenpresse. Als Rohmaterial wird dabei vorzugsweise ein runder, stangenförmiger Kaltstauchstahl eingesetzt, vorzugsweise ein 33B2 matnr. 1.5514 oder ein 35B2 matnr. 1.5511 mit max. 0,005 Gew. % Bor oder ein Edelstahl.According to the invention it is provided that the base plate is formed with the lock bracket in a multi-stage press. Shearing off or Cutting the raw material pieces from the solid rod material is integrated into the overall operation and, if possible, assigned to the first stage of the multi-stage press, with advantageously shortening being possible instead of shearing off. Also, the step of manufacturing the recess and the retaining holes is integrated as far as possible in the multi-stage process, then just in the last part of such a multi-stage press. The raw material used is preferably a round rod-shaped cold-upsetting steel, preferably a 33B 2 matnr. 1.5514 or a 35B 2 matnr. 1.5511 with max. 0.005 wt.% Boron or a stainless steel.
Wie weiter vorne beschrieben wird aus dem stangenförmigen Grundmaterial oder Rohmaterial zunächst die Grundplatte herausgearbeitet, worauf hin dann der Schlossbügel durch Kaltfließpressen hergestellt wird. Für die Bearbeitung, insbesondere das Einbringen der Ausnehmung ist es von Vorteil, wenn die Grundplatte kreisförmig und der Schlossbügel mittig der Grundplatte torartig darauf aufstehend bzw. herausragend ausgebildet ist. Dann kann in einem nächsten Arbeitsschritt die Ausnehmung und auch die Haltebohrungen hergestellt werden, sodass der Schlossbügel in Form eines Tores entsteht, wobei je nach Art des Herstellens der Ausnehmung und der Haltebohrungen auch noch einmal Material geschickt verschoben werden kann, wenn es sich in den vorherigen Arbeitsschritten in der Mehrstufenpresse aus irgendwelchen Gründen nicht in die richtige Position gebracht werden konnte. All dies ist möglich, weil durch den hohen Druck eine Temperatur erzeugt wird, die es ermöglicht, das Stangenmaterial so zu verformen, dass daraus insgesamt nach Fertigstellung ein einstückiger stabiler Schlosshalter entsteht.As described above, the base plate is first worked out of the rod-shaped base material or raw material, whereupon then the lock bracket is produced by cold extrusion. For the processing, in particular the introduction of the recess, it is advantageous if the base plate is circular and the lock bow in the middle of the base plate is formed like a torus or outstanding. Then, in a next step, the recess and the retaining holes can be made so that the lock bracket is in the form of a gate, and depending on the nature of the manufacturing of the recess and the retaining holes material can be cleverly moved again, if it was in the previous Work steps in the multi-stage press for some reason could not be put in the correct position. All of this is possible because the high pressure creates a temperature that allows the bar stock to be deformed to form a one-piece, stable lock holder when completed.
Beim Umformen der Grundplatte und der Bügelschenkel sowie des Schließsteges belässt man zweckmäßigerweise rund um die Bügelschenkel eine Art Aufwölbung, die man erfindungsgemäß dazu ausnutzt, dass die Bügelschenkel eine Art Standfuß in der Aufwölbung auf der Grundplatte haben. Die Aufwölbung entsteht beim Umformen der Grundplatte und des Schlossbügels.When reshaping the base plate and the bar arms and the closing bar it is expedient to leave around the bar arms a kind of bulge, which is used according to the invention that the bar arms have a kind of base in the bulge on the base plate. The bulge arises when forming the base plate and the lock handle.
Zur guten Anpassung an die Abmessungen der umgebenden Bauteile des Kraftfahrzeugschlosses ist es vorteilhaft, wenn wie erfindungsgemäß vorgesehen der Schließsteg ein- oder beidseitig mit zu den Außenkanten der Bügelschenkel abfallenden Schultern ausgerüstet ist und einer oder beide Bügelschenkel eine bauchförmige Wölbung aufweist. Diese Formgebung bringt auch noch Vorteile beim Herstellungsprozess, sodass aus diesen Gründen und wegen der vorteilhaften Stabilitätswerte eine solche Formgebung zweckmäßig ist. Weiter vorne ist erläutert worden, dass es vorteilhaft ist, mit Hilfe des Kaltfließpressens Material auch innerhalb des Schlosshalters "umzuschichten". Dabei wird an schwach belasteten Stellen nicht benötigtes Material in die Bereiche hineingebracht, die hoch belastet sind, was sich beispielsweise in der bauchförmigen Wölbung an den Bügelschenkeln auswirkt.For good adaptation to the dimensions of the surrounding components of the motor vehicle lock, it is advantageous if, as provided according to the invention, the closing web is equipped on one or both sides with shoulders sloping down to the outer edges of the bar arms and one or both bar arms have a bulged curvature. This shaping also brings advantages in the production process, so that for these reasons and because of the advantageous stability values, such a shaping is expedient. Earlier it has been explained that it is advantageous with the help of cold extrusion material within the lock holder "reschedule". In this case, material which is not required is brought into the areas at weakly loaded areas, which are subjected to high loads, which has an effect, for example, in the bulged curvature on the stirrup legs.
Die Erfindung zeichnet sich insbesondere dadurch aus, dass ein Verfahren und ein danach hergestellter Schlosshalter zur Verfügung gestellt werden kann, die es ermöglichen, den Schlosshalter einstückig herzustellen, wobei die Einzelarbeitsschritte so geschickt gewählt sind, dass mit wenigen Pressvorgängen bzw. Arbeitsvorgängen auszukommen ist. Der einzelne Schlosshalter wird aus einem Vollstangenmaterial herausgelöst, sodass bereits die runde Form der Grundplatte vorgegeben ist. Es ist dann nur noch erforderlichen, aus diesem Rundstangenmaterial die Grundplatte und den eine Einheit bildenden Schlossbügel herauszubilden, sodass dann nur noch die Ausnehmung in dem Schlossbügel und Haltebohrungen hergestellt werden müssen. Man kommt also mit verhältnismäßig wenigen Arbeitsschritten zurecht, erhält aber nach Abschluss dieses Verfahrens ein Endprodukt, d. h. also einen Schlosshalter, der ohne jede weitere Bearbeitungsschritte sofort z. B. im Kraftfahrzeugschloss Verwendung finden kann. Dabei hat dieser Schlosshalter aufgrund seiner bereits im Herstellverfahren verwirklichten Gesamtgeometrie eine Form, die sowohl von der Einsatzbelastung wie auch von den sonstigen Einsatzbedingungen her einen optimalen Einsatz sicherstellt.The invention is characterized in particular by the provision of a method and a subsequently produced lock holder, which make it possible to produce the lock holder in one piece, wherein the individual working steps are selected so skilfully that it is possible to manage with a few pressing operations or work processes. The single lock holder is removed from a solid bar material, so that already the round shape of the base plate is predetermined. It is then only necessary to form from this round rod material, the base plate and the unit forming a lock bracket, so that then only the recess in the lock bracket and retaining holes must be made. So you can deal with relatively few steps, but receives after completion of this process, an end product, ie, a lock holder, the immediately without any further processing steps z. B. can be used in motor vehicle lock use. Due to its overall geometry, which has already been realized in the manufacturing process, this lock holder has a shape which ensures optimum use both from the application load and also from the other conditions of use.
Weitere Einzelheiten und Vorteile des Erfindungsgegenstandes ergeben sich aus der nachfolgenden Beschreibung der zugehörigen Zeichnung, in der ein bevorzugtes Ausführungsbeispiel mit den dazu notwendigen Einzelheiten und Einzelteilen dargestellt ist. Es zeigen:
Figur 1- einen fertigen Schlosshalter mit Ausnehmung und Haltebohrungen,
Figur 2- einen Draufsicht auf einen derartigen Schlosshalter und
Figur 3- eine Vorkopfansicht.
- FIG. 1
- a finished lock holder with recess and holding holes,
- FIG. 2
- a plan view of such a lock holder and
- FIG. 3
- a header view.
Der Bügelschenkel 5 weist nach
Die Darstellung in
Der Schlosshalter 1 in der gezeigten Weise ist als einstückiges und sehr massives Bauteil ausgebildet, wobei wie schon erwähnt vorteilhaft mindestens 5 % oder sogar 20 % der Grundfläche der Grundplatte 2 eine abweichende Querschnittstärke aufweist. Unter Grundflächen sind dabei die oben und unten liegenden Flächen und nicht die seitlichen Randflächen der Grundplatte 2 zu verstehen. In der gezeigten Darstellung nach
Die Oberflächenstruktur 20' wird zum Ausgleich der Belastung im Kontaktbereich der Drehfalle durch Stanzen aufgebracht. Es handelt sich dabei um Rillen oder Stege, um Gewinde oder um Riefen oder Rändelungen auf bzw. in der Außenwand der Bügelschenkel 5, 8, die zu einer Verminderung der Belastung, insbesondere auch der Geräuschbelastung führen. Diese Oberflächenstruktur 20' wird beim Stanzen der Ausnehmung 10 mit erzeugt, sodass ein gesonderter Arbeitsschritt nicht anfällt.The surface structure 20 'is applied to compensate for the load in the contact region of the rotary latch by punching. These are grooves or webs, threads or grooves or knurls on or in the outer wall of the
Alle genannten Merkmale, auch die den Zeichnungen allein zu entnehmenden, werden allein und in Kombination als erfindungswesentlich angesehen.All mentioned features, including the drawings to be taken alone, are considered to be essential to the invention alone and in combination.
Claims (12)
- Method for the production of lock holders of locks, preferably motor vehicle door locks, in which the lock holder, comprising a base plate with fixing holes, lock yoke with two yoke legs and a locking bar as well as a recess, is produced as a single part and in which the recess is designed to accommodate a part of the rotary latch of the motor vehicle door lock during closing of the motor vehicle door and in which the yoke leg encompassed by the part corresponds to the rotary latch,
characterized in that
the lock holder is formed by cold extrusion from a preferable round blank and by using solid shaping into a T-shaped semi-finished part and is thus produced in its basic overall geometry, whilst the fixing holes and the recess in the lock yoke are then formed from the semi-finished part having an excellent cold forming quality. - Method according to claim 1,
characterized in that
prior to cold extrusion the blank has been produced by shearing from a round, angular or square solid bar which is then formed by cold extrusion into a T-shaped semi-finished part providing the lock yoke and base plate including chamfering of the fixing holes by pressing through one or preferably several dies. - Method according to one of the above claims,
characterized in that
first the base plate is formed out of the preferably round blank in axial direction, after which by means of cold extrusion, the lock yoke is solidly shaped with the yoke legs, whilst omitting the base plate, in such a way that in a next step the recess in the lock yoke can be produced by cold stamping as well as the semi-circle around the assigned yoke leg required for encompassing the rotary latch. - Method according to one of the above claims,
characterized in that
the recess and the fixing holes are produced during cold extrusion by using cross inserts. - Method according to one of the above claims,
characterized in that
a cold upsetting steel, preferably a 33B2 mat. no. 1.5514 with < 0.009 weight % Bor Rm max. 580 N/mm2 is used as round, angular or square blank, preferably with 0.005 weight % Bor. - Method according to one of the above claims
characterized in that
the round, angular or square blank is a is made of cold upsetting steel, namely 35B2 mat. no. 1.5511 with max. 0.005 weight % Bor Rm 500 - 650 N/mm2 or a stainless steel X5CrNi1810. - Method according to claim 6,
characterized in that
after completion, the entire lock holder is covered by an anti-corrosion coating and/or that during stamping a special surface structure is applied resulting in the formation of grooves and knurling on the assigned yoke legs. - Lock holder for a lock and preferably for a motor vehicle door lock, comprising a base plate (2) with two or more fixing holes (3, 4) and a lock yoke (9) with a locking bar (6), yoke legs (5) and encompassed leg (8) defining the recess (10)
characterized in that
the base plate (2) and lock yoke (9) constitute a single part preferably formed from a rod-like blank using cold extrusion that defines the shape of the locking bar (6) and of the yoke legs (5, 8) as well as of the base plate (2) and that subsequently the recess (10) and the fixing holes (3, 4) are produced by cold stamping. - Lock holder according to claim 8,
characterized in that
the round, angular or square blank is made of cold upsetting steel, namely 35B2 mat. no. 1.5511 with max. 0.005 weight % Bor Rm 500 - 650 N/mm2 or of cold upsetting steel and preferably a 33B2 mat. no. 1.5514 with < 0.009 weight % Bor Rm max. 580 N/mm2. - Lock holder according to claim 8,
characterized in that
the base plate (2) is circular and that the lock yoke (9) is arranged at the centre of the base plate (2) extending or projecting from said base plate like a gate. - Lock holder according to claim 8
characterized in that
the yoke legs (5, 8) contain a type of foot (12) in the elevation (11) on the base plate (2). - Lock holder according to claim 8,
characterized in that
the locking bar (6) contains shoulders (16, 17) sloping on one or both sides down to the outer edges (14. 15) of the yoke legs (5, 8) and that the yoke leg (5) or the yoke leg (8) contain a bulging curvature (18).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009060375 | 2009-12-24 | ||
DE102010011716A DE102010011716A1 (en) | 2009-12-24 | 2010-03-17 | Method for producing lock holders and lock holders |
PCT/DE2010/001303 WO2011076161A1 (en) | 2009-12-24 | 2010-11-06 | Method for producing lock retainers and lock retainer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2516776A1 EP2516776A1 (en) | 2012-10-31 |
EP2516776B1 true EP2516776B1 (en) | 2015-01-07 |
Family
ID=44025264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20100798482 Active EP2516776B1 (en) | 2009-12-24 | 2010-11-06 | Method for producing lock retainers and lock retainer |
Country Status (8)
Country | Link |
---|---|
US (1) | US20120286525A1 (en) |
EP (1) | EP2516776B1 (en) |
JP (1) | JP6080157B2 (en) |
CN (1) | CN102725466B (en) |
BR (1) | BR112012015332A2 (en) |
DE (1) | DE102010011716A1 (en) |
RU (1) | RU2549036C2 (en) |
WO (1) | WO2011076161A1 (en) |
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DE102010024511B4 (en) | 2010-06-21 | 2024-02-08 | Kiekert Aktiengesellschaft | Method for producing lock holders by improved cold extrusion and lock holders |
DE102010054368A1 (en) | 2010-12-13 | 2012-06-14 | Kiekert Ag | Method for manufacturing lock holder for motor car lock, involves arranging projection part to bracket leg parts that are fixed parallel to plate, and bending projection part to form crash flange after forming semi-finished material |
DE102010054369A1 (en) | 2010-12-13 | 2012-06-14 | Kiekert Ag | Method for producing lock holders with S-punch and lock holder |
US9506278B2 (en) * | 2011-03-30 | 2016-11-29 | Hoppe Holding Ag | Modular multi-point lock system |
DE102012017841A1 (en) * | 2012-09-08 | 2014-03-13 | Kiekert Aktiengesellschaft | Method for producing a one-piece lock holder |
DE102012024210A1 (en) * | 2012-12-11 | 2014-06-12 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
DE102012024379A1 (en) * | 2012-12-12 | 2014-03-27 | Kiekert Aktiengesellschaft | Method for producing motor vehicle locks with twisted locking part edge |
DE102013012524B4 (en) * | 2013-07-27 | 2019-09-12 | Daimler Ag | Method for producing a hinge housing, hinge housing and door hinge |
JP2015048681A (en) * | 2013-09-04 | 2015-03-16 | 三井金属アクト株式会社 | Striker and method of manufacturing the same |
DE102014006857A1 (en) * | 2014-05-13 | 2015-11-19 | Kiekert Aktiengesellschaft | Lock holder for a motor vehicle door lock |
DE102016225480A1 (en) * | 2016-12-19 | 2018-06-21 | Bayerische Motoren Werke Aktiengesellschaft | Striker of a motor vehicle body lock, motor vehicle body lock with such a striker and correspondingly equipped motor vehicle |
DE102017112488A1 (en) * | 2017-06-07 | 2018-12-13 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | striker |
DE102018101199A1 (en) | 2018-01-19 | 2019-07-25 | Kiekert Ag | METHOD FOR MANUFACTURING A LOCK HOLDER FOR A CLOSURE OF A MOTOR VEHICLE DOOR |
US11608663B2 (en) * | 2019-05-10 | 2023-03-21 | Kawasaki Motors, Ltd. | Door striker attaching structure and utility vehicle including the same |
DE102022103163A1 (en) * | 2022-02-10 | 2023-08-10 | Kiekert Aktiengesellschaft | One-piece lock holder for a motor vehicle locking device |
DE102022125412A1 (en) | 2022-09-30 | 2024-04-04 | U-Shin France S.A.S. | Lock holder |
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-
2010
- 2010-03-17 DE DE102010011716A patent/DE102010011716A1/en not_active Withdrawn
- 2010-11-06 BR BR112012015332A patent/BR112012015332A2/en not_active Application Discontinuation
- 2010-11-06 US US13/519,087 patent/US20120286525A1/en not_active Abandoned
- 2010-11-06 WO PCT/DE2010/001303 patent/WO2011076161A1/en active Application Filing
- 2010-11-06 CN CN201080062391.XA patent/CN102725466B/en active Active
- 2010-11-06 RU RU2012125907/12A patent/RU2549036C2/en not_active IP Right Cessation
- 2010-11-06 JP JP2012545081A patent/JP6080157B2/en active Active
- 2010-11-06 EP EP20100798482 patent/EP2516776B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP6080157B2 (en) | 2017-02-22 |
DE102010011716A1 (en) | 2011-06-30 |
US20120286525A1 (en) | 2012-11-15 |
WO2011076161A1 (en) | 2011-06-30 |
BR112012015332A2 (en) | 2017-07-25 |
JP2013515879A (en) | 2013-05-09 |
EP2516776A1 (en) | 2012-10-31 |
RU2549036C2 (en) | 2015-04-20 |
RU2012125907A (en) | 2014-01-27 |
CN102725466B (en) | 2015-02-11 |
CN102725466A (en) | 2012-10-10 |
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