EP0596480B1 - Schliesszylinder und Verfahren zur Herstellung des Schliesszylinders - Google Patents

Schliesszylinder und Verfahren zur Herstellung des Schliesszylinders Download PDF

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Publication number
EP0596480B1
EP0596480B1 EP93117831A EP93117831A EP0596480B1 EP 0596480 B1 EP0596480 B1 EP 0596480B1 EP 93117831 A EP93117831 A EP 93117831A EP 93117831 A EP93117831 A EP 93117831A EP 0596480 B1 EP0596480 B1 EP 0596480B1
Authority
EP
European Patent Office
Prior art keywords
cylinder lock
housing
housing pin
bore
pin bore
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.)
Expired - Lifetime
Application number
EP93117831A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0596480A1 (de
Inventor
Dieter Wienert
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus GmbH and Co KG
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 Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP0596480A1 publication Critical patent/EP0596480A1/de
Application granted granted Critical
Publication of EP0596480B1 publication Critical patent/EP0596480B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0003—Details
    • E05B27/0014—Stators

Definitions

  • the invention relates to a locking cylinder comprising a locking cylinder housing with an outer surface and a core receiving bore, a locking cylinder core rotatably received in this core receiving bore with a key insertion slot for receiving a key, and at least one pair of locking pins, said locking pin pair being a core pin bore guided in a core pin bore of the locking cylinder core and a core pin bore of the lock cylinder housing guided housing pin, which pins are aligned with one another in a basic position of the lock cylinder core with respect to the lock cylinder housing and, when the key adapted to the lock secret is inserted, are adjusted by pretensioning means in such a way that an end part of the core pin and the housing pin facing one another lies in the cylindrical interface between the core and the receiving hole in the cylindrical interface Lock cylinder core lies and the housing tiftbohrung cuts a surface area of the outer surface of the lock cylinder housing and is closed by a closure means.
  • Such a lock cylinder is known for example from German patent 33 38 713.
  • a plurality of tumbler pin pairs are arranged one behind the other in the direction of the longitudinal axis of the locking cylinder, the housing pin bores being accommodated in the web part of a so-called cock profile of the locking cylinder housing.
  • the closure means for closing the housing pin bores are formed by grooved pins which are pressed into the outer ends of the housing pin bores, ie the ends of the housing pin bores opening in the region of the sack bottom surface of the profile web.
  • the ends of the grooved pins in the area of the bag bottom are processed so that they Completely complete the cylindrical bag bottom surface according to its cylindrical shape.
  • the closure means has a convex end surface which is rotationally symmetrical with respect to an axis of the housing pin bore and seen from the outer space surrounding the outer surface, the end surface of which is orthogonal to the axis of the housing pin bore
  • Large cross-section lies on its entire circumference within the housing pin bore and the apex of which is preferably at or at a small distance within a virtual partial area of the respective surface area delimited by the housing pin bore, which corresponds to a partial area of the surface area removed when the hole is drilled.
  • the remaining ring recesses which increase in depth from the apex area to the circumferential surface of the housing pin bores, are so small that there is no fear of chips and similar impurities getting caught to a greater extent.
  • the locking cylinder designed according to the invention feels almost as smooth and touch-friendly as a locking cylinder in which the locking means are smoothly adapted to the respective surface area.
  • the end surface can be a spherical end surface with a diameter that approximately corresponds to the diameter of the housing pin bore.
  • the closure parts can be produced in such a quality and in particular such a hardness that they are not damaged when they are introduced into the housing pin bores, however this is carried out, and therefore their appearance is not impaired.
  • the closure elements can, for example, be polished or otherwise at the ends be surface-treated so that they fit well into the surface appearance of conventional galvanized or lacquered locking cylinders, whereby interesting effects can still be achieved through different colors, different glosses or other different surface designs.
  • the fastening of the closure means in the housing pin bores is preferably carried out by pressing in, the diameter of the closure means being matched to the diameter of the housing pin bores in such a way that, on the one hand, pressing in is achieved without visible deformation of the respective surface area, but on the other hand an immovable retention of the closure means in the housing pin bores is guaranteed.
  • lock cylinder housings are usually made of a non-ferrous metal, steel parts can be used as the closure means, which can be mass-produced cheaply.
  • the proposal for the invention is particularly applicable when the surface area into which the housing pin bores open is formed by a cylindrical surface, the surface lines of which run parallel to the axis of the core receiving bores. This applies both to round cylinders and to the popular locking cylinders with Hahn profile, in which the housing pin bores cut the sack bottom surface of the profile web of the Hahn profile.
  • the closure means is formed by a ball.
  • the advantage of this embodiment is that the automatic feeding in an automatic manufacturing machine can be carried out using balls without complicated orientation means.
  • balls as a closing means is to be regarded as unusual because when using balls there is no freedom of variation with regard to the axial depth of the closing means ball, in order to be able to adapt to different cylinder shapes, different preloading means and different housing pin dimensions.
  • this has surprisingly proven to be harmless because there is the possibility of varying the respective free length of the housing pin bore by introducing fillers into the housing pin bore, so that the prestressing means can then be supported on such fillers if necessary.
  • balls or cylinder sections can be used as packing.
  • the closure means may be formed by a rod which has the rotationally symmetrical convex end face at at least one end, preferably both.
  • the assembly technology is complicated by such a measure compared to a ball, however, so that this option will only be used in special situations, for example when special profiles of the spherical end faces are to be selected.
  • an annular shoulder is also provided at the transition from the rod to the convex end face. In this way, the maximum cross section of the convex end surface can be smaller than the cross section of the cylindrical section of the rod-shaped closure means.
  • the biasing means can be formed by helical compression springs. It is advantageous if the helical compression spring for positioning has an enveloping surface at least over part of its length, the diameter of which corresponds at least approximately to the inside diameter of the housing pin bore. To prevent the helical compression spring from incorrectly adjusting or jamming against a convex surface of the closure means in the gap formed between the circumferential surface of the housing pin bore and the convex end surface, it may be advantageous if the helical compression spring is at least at the end in contact with the spherical surface has a tapered section.
  • the invention further relates to a method for producing a locking cylinder, said locking cylinder comprising a locking cylinder housing with an outer surface and a core receiving bore, a locking cylinder core rotatably received in said core receiving bore Key insertion slot for receiving a key and at least one pair of tumbler pins, this pair of tumbler pins comprising a core pin guided in a core pin bore of the locking cylinder core and a housing pin guided in a housing pin bore of the locking cylinder housing, which pins are inserted into a basic position of the locking cylinder core with respect to the locking cylinder housing and locked together with the key cylinder housing are set by prestressing means such that a separation point lying between facing end parts of the core pin and housing pin lies in the cylindrical separating surface between the core receiving bore and the lock cylinder core, and wherein the housing pin bore cuts a region of the outer surface of the lock cylinder housing and is closed by closure means, this method comprising a drilling operation starting from that through the housing pin bore a Cut surface area to form the housing pin bore
  • a closure body be inserted as a closure means into the housing pin bore, which at least at its end trailing during insertion has an end surface that is rotationally symmetrical with respect to an axis of the housing pin bore and that is convex as seen from the outer space surrounding the outer surface, whose largest cross-section orthogonal to the axis of the housing pin bore enters the housing pin bore over its entire circumference, while the apex is preferably placed at or with a small distance within a virtual partial area of the respective surface area delimited by the housing pin bore which corresponds to a partial area of the surface area that was removed when the hole was drilled.
  • the closure body can be fixed in the housing pin bore by a press fit.
  • the closure body can be inserted through an insertion surface of an insertion tool, which determines the insertion depth against the respective surface area.
  • This insertion surface can press in several closure means at the same time, so that their uniform positioning is ensured.
  • closure body is inserted into the housing pin bore after the housing pin and possibly the pretensioning means and / or a filler body have been inserted through the outer end of the housing pin bore associated with the surface area.
  • the housing pin and possibly a filler and / or a pretensioner may be inserted into the housing pin bore from the core pin bore after the outer end of the housing pin bore facing the surface area has been closed by inserting the closure body.
  • the decision about which of the two options is chosen also depends in particular on the existing manufacturing facilities.
  • the resulting bore is preferably only made up to the intersection with the core pin bore, so that the area of the cylinder housing diametrically opposite the housing pin bore is not cut and therefore does not have to be closed again.
  • the lock cylinder housing of a double lock cylinder is generally designated 10.
  • This lock cylinder housing has a so-called Hahn profile with a profile web 12, the bag bottom surface of which is designated 14.
  • the lock cylinder 10 also has a core bore 16 which receives a lock cylinder core 18 with a key insertion slot 20.
  • This tumbler pin pair 22 consists of a core pin 22a and a housing pin 22b.
  • the core pin 22a is received in a core pin bore 24a of the lock cylinder core 18, while the housing pin 22b is received by a housing pin bore 24b of the lock cylinder housing 10.
  • the core pin 22a and the housing pin 22b are aligned with one another.
  • the separation point 22c between the core pin 22a and the housing pin 22b is, when a key adapted for a locking secret is inserted, in the separation surface 28, which is defined by the inner peripheral surface of the core bore 16 and the outer peripheral surface of the lock cylinder core 18. If the separation points of all the pairs of pin cylinders lie in the separation surface 28, the lock cylinder core can be rotated by means of the key.
  • the housing pin bore 24b is drilled from the bag bottom surface 14 into the lock cylinder housing 10 until it intersects with the core bore 16.
  • the lower end of the housing pin bore 24b is closed by a locking ball 30 with an end surface 30a which is pressed into the housing pin bore 24b with a slight oversize.
  • the locking balls 30 of the individual housing pin pairs can be pressed in by a common tool 32, which is shown in FIG.
  • This housing has a thrust surface 34 which is precisely adapted to the sack bottom surface 14 and which, when the tool 32 approaches the sack bottom surface 14, bears against it and thereby brings the balls 30 into a position in which their apex regions S pointing downward each have a virtual surface V lie, which complements the bag bottom surface 14 with a corresponding curvature.
  • a loosely inserted filler ball 36 which acts as an abutment for one Helical compression spring 38 is used.
  • This helical compression spring 38 presses with its upper end against the housing pin 22b and over it onto the core pin 22a, so that the latter is held in engagement with the serrated key face when the appropriate key is inserted, and the separation point 22c lies simultaneously in the separation surface 28.
  • the upper and lower ends of the helical compression spring 38 are wound closer than the middle section, so that these end sections find a defined contact with the filling ball 36 and the lower end of the housing pin 22b.
  • the housing pin pairs can have different shapes as indicated in the figure.
  • the separating point 22c which must lie in the separating surface 28 when the locking secret key is inserted, does not necessarily have to be formed by the mutually facing ends of the pins 22a and 22b themselves, but must also be formed by one of these pins and an intermediate plate can be, which can be used in varying thickness for the closure variation.
  • the separation point can also be formed between two adjacent intermediate plates (not shown).
  • Lock cylinder core 18 and lock cylinder housing are manufactured separately.
  • the lock cylinder core is provided with the bores 24a.
  • the housing pin bores are drilled from the sack bottom surface 14 until the respective drilling instrument enters the core bore 16.
  • the lock cylinder core 18 is fitted with the core pins 22a and inserted into the core bore 16, whereby it rotates with respect to the basic position according to FIG. 1 is.
  • the housing pin 22b, the helical compression spring 38, the filling ball 36 and the closure ball 30 can be inserted one after the other through the housing bore 24b.
  • the housing pin 22b enters the core pin bore 24a.
  • FIGS. 3 and 4 differs from that according to FIGS. 1 and 2 only in that 36 filler pins 136 are provided instead of the filler balls.
  • the length of the cylindrical filler pins can be predetermined in accordance with the respective space requirement.
  • locking pins can also be used (not shown in the drawing) which have a convexly curved, in particular spherical, end face at at least one end. Such locking pins are preferably made at both ends with identical convex surfaces in order to simplify the automatic feeding.

Landscapes

  • Lock And Its Accessories (AREA)
  • Fluid-Damping Devices (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Automatic Assembly (AREA)
  • Pens And Brushes (AREA)
  • Actuator (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Taps Or Cocks (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Vehicle Body Suspensions (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP93117831A 1992-11-06 1993-11-03 Schliesszylinder und Verfahren zur Herstellung des Schliesszylinders Expired - Lifetime EP0596480B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4237565 1992-11-06
DE4237565A DE4237565C2 (de) 1992-11-06 1992-11-06 Schließzylinder und Verfahren zur Herstellung des Schließzylinders

Publications (2)

Publication Number Publication Date
EP0596480A1 EP0596480A1 (de) 1994-05-11
EP0596480B1 true EP0596480B1 (de) 1996-02-21

Family

ID=6472305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93117831A Expired - Lifetime EP0596480B1 (de) 1992-11-06 1993-11-03 Schliesszylinder und Verfahren zur Herstellung des Schliesszylinders

Country Status (9)

Country Link
EP (1) EP0596480B1 (cs)
AT (1) ATE134413T1 (cs)
CZ (1) CZ289740B6 (cs)
DE (2) DE4237565C2 (cs)
ES (1) ES2087634T3 (cs)
FI (1) FI934892A7 (cs)
NO (1) NO933925L (cs)
PL (1) PL172701B1 (cs)
SK (1) SK280825B6 (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010012342B4 (de) * 2010-03-23 2020-03-26 Airbus Operations Gmbh Versteifungsbauteil und Verfahren sowie Kammwerkzeug
UA98025C2 (uk) * 2010-07-08 2012-04-10 Сергій Миколайович Стрельцов Секретна головка механічного замикаючого пристрою
CN109667478A (zh) * 2019-01-21 2019-04-23 朱金勇 一种新型的葫芦锁胆机器制作工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128670B (en) * 1982-10-25 1985-10-23 Talleres Escoriaza Sa Cylinder lock
IT1208841B (it) * 1985-12-19 1989-07-10 Rielda Serrature Srl Serratura a cilindro con chiave intercambiabile
DE3835816A1 (de) * 1988-10-21 1990-04-26 Erich Mundhenke Zylinderschloss
DE9003572U1 (de) * 1990-03-27 1990-05-31 Aug. Winkhaus GmbH & Co KG, 4404 Telgte Schließzylinder

Also Published As

Publication number Publication date
ATE134413T1 (de) 1996-03-15
CZ235093A3 (en) 1994-06-15
SK120093A3 (en) 1994-08-10
DE4237565C2 (de) 1995-04-06
PL300936A1 (en) 1994-05-16
FI934892A7 (fi) 1994-05-07
ES2087634T3 (es) 1996-07-16
DE4237565A1 (de) 1994-05-11
DE59301678D1 (de) 1996-03-28
EP0596480A1 (de) 1994-05-11
SK280825B6 (sk) 2000-08-14
PL172701B1 (pl) 1997-11-28
NO933925L (no) 1994-05-09
NO933925D0 (no) 1993-10-29
FI934892A0 (fi) 1993-11-05
CZ289740B6 (cs) 2002-03-13

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