EP0234144A1 - Sicherheitsschloss mit Schlüssel, insbesondere für Kraftfahrzeuge - Google Patents

Sicherheitsschloss mit Schlüssel, insbesondere für Kraftfahrzeuge Download PDF

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Publication number
EP0234144A1
EP0234144A1 EP86402715A EP86402715A EP0234144A1 EP 0234144 A1 EP0234144 A1 EP 0234144A1 EP 86402715 A EP86402715 A EP 86402715A EP 86402715 A EP86402715 A EP 86402715A EP 0234144 A1 EP0234144 A1 EP 0234144A1
Authority
EP
European Patent Office
Prior art keywords
rotor
key
rotation
lock
thresher
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.)
Granted
Application number
EP86402715A
Other languages
English (en)
French (fr)
Other versions
EP0234144B1 (de
Inventor
Dominique Benoit
Jacques Lejards
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen SA
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 Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Publication of EP0234144A1 publication Critical patent/EP0234144A1/de
Application granted granted Critical
Publication of EP0234144B1 publication Critical patent/EP0234144B1/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
    • E05B31/00—Cylinder locks with both tumbler pins or balls and plate tumblers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0026—Cylinder locks and other locks with plate tumblers which are set by pushing the key in with longitudinally movable cylinder

Definitions

  • the present invention relates to a key-operated security lock, in particular for a motor vehicle.
  • the locks equipping the doors of current motor vehicles generally consist of a body pierced with a cylindrical bore in which a rotor secured to a rotor secured to a rod called a thresher, which drives an actuating rod of a lock mechanism.
  • Means retractable by means of a key are provided to lock the rotor in rotation relative to the body.
  • the object of the present invention is to remedy the aforementioned drawbacks: it is aimed at a key-operated safety lock, in particular for a motor vehicle, which can hardly be torn off, which cannot be opened by the mere exercise of a torque on the rotor. , nor by a direct action on the means of connection of the thresher to the lock mechanism and whose key profile has a large number of its own characteristics limiting as much as possible the opening of the lock by means of another key or any tool.
  • the lock according to the invention comprises: - a body pierced with a cylindrical bore, - A thresher housed at the bottom of the bore, mobile in rotation around the axis of the body and secured to means for driving an actuating rod of a lock mechanism.
  • the lock is characterized in that it comprises in combination: - a tubular rotor with an outside diameter slightly smaller than the inside diameter of the bore, movable by means of a key in axial translation relative to the body between a engaged position for which it is capable of driving the threshing machine in rotation and a position disengaged; means of locking in translation of the rotor in the disengaged position, retractable by means of the key; - disengageable means for blocking the rotation of the rotor relative to the body.
  • the lock according to the invention comprises means for locking in rotation of the threshing machine retractable by means of the key, for example constituted by pistons mounted sliding in longitudinal holes drilled in the threshing machine and counter pistons mounted sliding in longitudinal housings drilled in the bottom of the body with the same sections and the same arrangement as the thresher holes, a spring being placed at the bottom of each housing to normally bias each counter piston in a position for which it is partially contained in its housing and partially in the corresponding hole of the thresher, the end of each piston opposite the counter-piston being capable of cooperating with a corresponding flat machined at the end of the key to place each counter-piston flush with the thresher-body interface.
  • the key for example constituted by pistons mounted sliding in longitudinal holes drilled in the threshing machine and counter pistons mounted sliding in longitudinal housings drilled in the bottom of the body with the same sections and the same arrangement as the thresher holes, a spring being placed at the bottom of each housing to normally bias each
  • the means for locking in translation of the rotor relative to the body are preferably constituted by flakes slidably mounted in radial housings drilled in the body extended by radial holes drilled in the rotor, each flake being normally biased by a spring in a position for which it is partially contained in its housing and in the corresponding hole of the rotor and being pierced with a hole capable of cooperating with a notch of the key to bring the straw in a position for which it is completely contained in the rotor.
  • the housings drilled in the body are circular grooves allowing rotation of the rotor relative to the body regardless of the position of the flakes in their housings
  • the disengageable means for blocking the rotation of the rotor by relative to the body being preferably elastic means allowing the disengagement of the rotor from a certain torque.
  • the housings drilled in the body comprise shoulders for blocking the flakes in rotation relative to the body, the flakes thus constituting both the means for blocking in translation and in rotation of the rotor with respect to the body.
  • the body advantageously consists of a fixed part and a mobile part called sta tor, with an outside diameter slightly smaller than the inside diameter of the fixed part, blocked in translation but movable in rotation relative to the latter and provided with rotation blocking means, these means preferably being elastic means which can be disengaged from a certain couple.
  • the bottom of the body carries a projecting rod directed towards the inside of the bore, constituting at its end a stop for the pistons and capable of engaging in a hole corresponding to the end of the key;
  • the bore is formed at its end opposite to the thresher by two flaps capable of being retracted by means of the key each in a housing provided in the rotor and automatically return to the closed position of the lock;
  • the rotor is provided with a finger capable of cooperating with a notch in the key to drive the rotor in rotation;
  • the part of the body surrounding the open end of the bore is made of a very resistant material, such as treated steel, for example carbonitrided steel.
  • FIG. 1 is a longitudinal sectional view of a preferred embodiment of a lock according to the invention, in the closed position;
  • - Figure 2 is an elevational view of the thresher of the lock of Figure 1;
  • - Figure 3 is a sectional view similar to Figure 1 showing the key inserted into the bore to a position for which the rotor is no longer locked but has not undergone any translation relative to Figure 1;
  • - Figure 4 is a sectional view similar to Figures 1 and 2, in which the key has been inserted into the bore to a position for which the rotor has undergone an axial displacement to its engaged position and the threshing machine is no longer locked in rotation;
  • - Figure 5 is a partial cross-sectional view of the rotor alone along VV of Figure 4;
  • - Figure 6 is a longitudinal sectional view of a second embodiment of a lock according to the invention, in the closed position;
  • - Figure 7 is a cross
  • the lock shown in FIGS. 1 to 5 intended in particular for a door of a motor vehicle, comprises a body 1 pierced with a cylindrical bore 2 and terminated by a bottom 1a in which is housed a threshing machine 3 in the form of a rotating mobile disc around the axis XX of the bore 2, and integral with drive means 3a of a rod 3b for actuating a lock mechanism, known per se and not shown.
  • the body 1 here consists of a fixed part 1b and a movable part 4, called a stator, of outer diameter slightly less than the inner diameter of the fixed part 1b and locked in translation relative to the latter between two shoulders 5 and 6.
  • the stator 4 is locked in rotation relative to the fixed part 1b of the body 1 by a ball 7 which is held in a corresponding housing 8 of the body 1b by means of a spring 9 but which is capable of coming out of the housing 8 from of a certain torque, allowing the stator 4 to disengage relative to the fixed part 1b of the body 1.
  • a tubular rotor 10 of outside diameter slightly smaller than the inside diameter of the stator 4, is movable in axial translation relative to the stator 4 between a engaged position for which it is capable of driving the thresher 3 by means of a penetrating finger 11 in a notch 12 of the thresher 3, and a disengaged position.
  • Figures 1 and 2 show the rotor 10 in the disengaged position while Figure 3 shows the rotor in the engaged position.
  • Flakes 13 formed by plates are slidably mounted in radial housings 14 drilled in the stator 4 and extended by radial holes 15 drilled in the rotor 10. Each flake 13 is normally biased by a spring 16 in a position for which it is partially contained in its housing 14 and in the corresponding hole 15 of the rotor 10, illustrated in Figure 1. Each straw 13 is pierced with a hole 17 capable of cooperating with a notch 18 of the key 19 relating to the lock to bring the straw 13 in a position for which it is completely contained in the rotor 10 ( Figures 2 and 3).
  • the housings 14 have locking shoulders 14a. flakes 13 in rotation relative to the stator 4, the flakes 13 thus constituting means for locking the rotor 10 both in translation and in rotation relative to the body 1.
  • Longitudinal holes 20 are drilled in the thresher 3 with the same sections and the same arrangement as longitudinal housings 21 drilled in the bottom 1a.
  • a spring 22 is placed in the bottom of each housing 21 and normally biases a piston 23 by means of a counter-piston 24 in a position for which its end opposite to the counter-piston 24 abuts against the end d 'a rod 25 secured to the bottom 1a. In this position, the counter-piston 24 is partially contained in the housing 21 and partially in the corresponding hole 20 of the thresher 3.
  • each piston 23 opposite the counter-piston 24 is capable of cooperating with a machined flat 26 at the end of the key 19 to place each counter-piston 24 flush with the thresher interface 3 - bottom 1a.
  • the end of the rod 25 is housed in a hole 27 provided at the end of the key 19.
  • the latter further comprises a notch 28 capable of cooperating with a finger 29 of the rotor 10 to drive the latter. ci in rotation.
  • the bore 2 is closed at its end opposite the thresher 3 by two flaps 30 and 31 which are each capable of being retracted in a housing 32, respectively 33, formed in the rotor 10, and which comprise elastic means formed here by torsion springs 30a and 31a, for returning to the closed position of the bore 2 when the key 19 is withdrawn.
  • the body 1 is provided at its opposite end at the bottom 1a of a plastic cover 34 and a central part 35 made of a very resistant material, such as for example carbonitrided steel.
  • the entire lock is fixed by means not shown to a wall 36 such as a vehicle door.
  • this wall 36 is reinforced by a sheet 36a welded to the sheet 36.
  • the flakes 13 are in positions for which the rotor 10 is locked in rotation and in translation relative to the stator 4.
  • the counter-pistons 24 are in positions for which the thresher 3 is immobilized in rotation relative to the bottom of the body 1a.
  • the flaps 30 and 31 are in the closed position of the bore 2.
  • the key 19 has been pushed in to a position for which the counter-pistons 24 are flush with the thresher interface 3 - the bottom, and the rotor 10 has undergone a longitudinal translation such that the finger 11 of the rotor 10 is in the notch 12. It suffices then to turn the key 19 to drive the rotor 10 which in turn drives the threshing machine 3 which actuates the lock mechanism by means of the rod 3b.
  • the body 1 no longer has a movable part or stator 4 such as that of Figures 1 to 5 and the radial housings 14 drilled in the body 1, here consist of circular grooves 14b allowing rotation of the rotor 10 relative to the body 1 whatever the position of the flakes 13 in their housings.
  • the rotor 10, which is therefore no longer locked in rotation by the flakes 13, is, in its disengaged position, locked in rotation relative to the body 1, by a ball 7a which is held in a corresponding longitudinal groove 8a of the body 1 by means of a spring 9a but which is capable of coming out of the groove 8a from a certain torque.
  • the groove 8a is terminated, at its end closest to the bottom of the body 1a, by a circular groove 8b which allows effortlessly the release in rotation of the rotor 10 relative to the body 1 when the rotor 10 is in the engaged drive position. of the threshing machine 3 in rotation.
  • the rotor 10 will turn mad without driving the body 1 or the thresher 3. Indeed, in the case of FIGS. 1 to 5, the stator 4 will be driven at the same time as the rotor 10 without driving the fixed part 1b of the body 1 because the ball 7 will come out of the housing 8, thus uncoupling the stator 4 of the fixed part 1b of the body 1. After the lock has been forced in this way, when trying to open the lock using the appropriate key, it will be necessary to do turn the stator-rotor assembly until the ball 7 returns to its housing 8, before fully inserting the key.
  • the lock according to the invention can hardly be torn off because the wall 36 is reinforced in the vicinity of the lock by the sheet 36a.
  • the lock according to the invention therefore has the advantage of being able to be very difficult to open by means of a false key or of any tool and of being able to be very difficult to force or tear off.
  • a means of declutching in rotation (7, 8; 7a, 8a) prevents the opening of the lock without, however, damaging the latter.
  • the means for locking the rotor in rotation could consist of lugs cooperating with grooves made in the key or else by a set of pistons and counter-pistons.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
EP86402715A 1985-12-27 1986-12-08 Sicherheitsschloss mit Schlüssel, insbesondere für Kraftfahrzeuge Expired - Lifetime EP0234144B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8519346 1985-12-27
FR8519346A FR2592423B1 (fr) 1985-12-27 1985-12-27 Serrure de surete a cle, notamment pour vehicule automobiles

Publications (2)

Publication Number Publication Date
EP0234144A1 true EP0234144A1 (de) 1987-09-02
EP0234144B1 EP0234144B1 (de) 1990-02-28

Family

ID=9326264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402715A Expired - Lifetime EP0234144B1 (de) 1985-12-27 1986-12-08 Sicherheitsschloss mit Schlüssel, insbesondere für Kraftfahrzeuge

Country Status (4)

Country Link
EP (1) EP0234144B1 (de)
DE (1) DE3669186D1 (de)
ES (1) ES2013604B3 (de)
FR (1) FR2592423B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349738A2 (de) * 1988-07-07 1990-01-10 Valeo Securite Habitacle Schliesszylinder
EP0571172A1 (de) * 1992-05-21 1993-11-24 DOM-Sicherheitstechnik GmbH & Co. KG Zylinderschloss mit Zuhaltungsplättchen
EP0774405A3 (de) * 1995-11-14 1998-08-26 Honda Giken Kogyo Kabushiki Kaisha Verriegelungsvorrichtung für eine Lenkstange
EP3524764A1 (de) * 2018-02-13 2019-08-14 PREFER S.r.l. Freigabevorrichtung für motorisch betriebene tür

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758847B1 (fr) * 1997-01-28 1999-05-28 Ymos France Barillet de serrure a paillettes et goupilles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444542A (en) * 1945-11-01 1948-07-06 Gunnar E Swanson Locking and unlocking mechanism for cylinder locks
DE1055996B (de) * 1957-01-14 1959-04-23 Zeiss Ikon Ag Zylinderschloss mit einer axialen und einer radialen Sperrung zwischen gehaeusefestem und drehbarem Schlossteil
FR1333207A (fr) * 1962-06-14 1963-07-26 L A S Perfectionnements apportés aux serrures de sûreté

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444542A (en) * 1945-11-01 1948-07-06 Gunnar E Swanson Locking and unlocking mechanism for cylinder locks
DE1055996B (de) * 1957-01-14 1959-04-23 Zeiss Ikon Ag Zylinderschloss mit einer axialen und einer radialen Sperrung zwischen gehaeusefestem und drehbarem Schlossteil
FR1333207A (fr) * 1962-06-14 1963-07-26 L A S Perfectionnements apportés aux serrures de sûreté

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349738A2 (de) * 1988-07-07 1990-01-10 Valeo Securite Habitacle Schliesszylinder
DE3822975A1 (de) * 1988-07-07 1990-01-11 Neiman Gmbh Schliesszylinder
EP0349738A3 (de) * 1988-07-07 1991-05-08 Valeo Securite Habitacle Schliesszylinder
EP0571172A1 (de) * 1992-05-21 1993-11-24 DOM-Sicherheitstechnik GmbH & Co. KG Zylinderschloss mit Zuhaltungsplättchen
EP0774405A3 (de) * 1995-11-14 1998-08-26 Honda Giken Kogyo Kabushiki Kaisha Verriegelungsvorrichtung für eine Lenkstange
CN1079751C (zh) * 1995-11-14 2002-02-27 本田技研工业株式会社 转向把锁装置
EP1182122A3 (de) * 1995-11-14 2002-07-10 Honda Giken Kogyo Kabushiki Kaisha Schlossvorrichtung für Fahrradlenkstange
EP3524764A1 (de) * 2018-02-13 2019-08-14 PREFER S.r.l. Freigabevorrichtung für motorisch betriebene tür

Also Published As

Publication number Publication date
FR2592423B1 (fr) 1988-04-08
FR2592423A1 (fr) 1987-07-03
ES2013604B3 (es) 1990-05-16
EP0234144B1 (de) 1990-02-28
DE3669186D1 (de) 1990-04-05

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