EP1080286B1 - Serrure electronique a embrayage mecanique - Google Patents

Serrure electronique a embrayage mecanique Download PDF

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Publication number
EP1080286B1
EP1080286B1 EP99920916A EP99920916A EP1080286B1 EP 1080286 B1 EP1080286 B1 EP 1080286B1 EP 99920916 A EP99920916 A EP 99920916A EP 99920916 A EP99920916 A EP 99920916A EP 1080286 B1 EP1080286 B1 EP 1080286B1
Authority
EP
European Patent Office
Prior art keywords
rotor
key
barrel
electronic
barrel according
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
EP99920916A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1080286A1 (fr
Inventor
Michel Iscla
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.)
Euronetics France
Original Assignee
Euronetics France
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 Euronetics France filed Critical Euronetics France
Publication of EP1080286A1 publication Critical patent/EP1080286A1/fr
Application granted granted Critical
Publication of EP1080286B1 publication Critical patent/EP1080286B1/fr
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
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/04—Casings of cylinder locks
    • E05B9/041—Double cylinder locks
    • E05B9/042—Stators consisting of multiple parts being assembled together
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0638—Cylinder locks with electromagnetic control by disconnecting the rotor
    • E05B47/0642—Cylinder locks with electromagnetic control by disconnecting the rotor axially, i.e. with an axially disengaging coupling element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0676—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
    • E05B47/068—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle axially, i.e. with an axially disengaging coupling element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/0026—Clutches, couplings or braking arrangements
    • E05B2047/0031—Clutches, couplings or braking arrangements of the elastic type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7062—Electrical type [e.g., solenoid]
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7062—Electrical type [e.g., solenoid]
    • Y10T70/7068—Actuated after correct combination recognized [e.g., numerical, alphabetical, or magnet[s] pattern]
    • Y10T70/7073—Including use of a key
    • Y10T70/7079—Key rotated [e.g., Eurocylinder]
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7062—Electrical type [e.g., solenoid]
    • Y10T70/7136—Key initiated actuation of device

Definitions

  • the present invention relates to an electronic lock, the unlocking is ensured by a key having a right of access recognized by an identification code.
  • the present invention therefore relates to an electronic barrel of simple structure, suitable for an electronic environment and comprising including a very limited number of internal parts.
  • An object of the invention is also to offer a particularly reliable (robust) barrel and efficient, especially with reduced energy consumption.
  • a another object of the invention is to obtain a barrel which is well protected from shock and vibration or dust.
  • Yet another object of the invention is to make a resistant barrel as much as possible tearing, sinking or picking (burglary protection).
  • a goal is also to be able to manage conflicts very simply of keys.
  • the displacement of the bit can be carried out without great difficulty through the clutch part from the simple torque of rotation of the key and without the means control locking (unlocking) the bit does not require much energy.
  • the stop of the electronic barrel is constituted by a simple protective flap pivoting around an axis parallel to the axis of the at least one rotor, between an initial position and a final position of release.
  • the protective shutter acts against the action of a spring reminder intended to automatically return this flap to its position initial when removing the key.
  • the drive means comprise a electric microactuator with an axis parallel to the axis of the at least one rotor, the release of the at least one stop being effected by means of a drive pinion carried by an output shaft of the microactuator electric and meshing on a toothed sector integral with the stop.
  • the clutch part is formed by a cylindrical ring provided a central disc and comprising on either side of this central disc means of meshing in the form of grooves to ensure the connection in rotation on the one hand with the bit and on the other hand with the rotor.
  • the central disc of the clutch part has a stud central intended to cooperate with the release stop of this part.
  • the electronic barrel further comprises at least one compression spring interposed between the rotor and clutch part. It can also include at least one return bracket integral with the rotor and intended to cooperate with the part clutch to allow its release from the bit during removal of the key.
  • the return bracket includes an annular disc provided with at least one foot passing through the clutch part and fixed to the rotor, the disc cooperating with a surface of the clutch part perpendicular to the axis of the at least one rotor.
  • the electronic barrel further comprises at least one stop ring integral with the barrel body and intended to limit the translation of the at least one rotor towards the bit.
  • the barrel electronics comprises at least one release finger formed by two independent parts separated by a single compression spring and intended to secure the key in the rotor to allow the workpiece clutch to disengage from the rotary bit when removing the key.
  • this release finger is mounted perpendicular to the axis of the at least one rotor in an opening partly passing through the rotor, a first end of this clutch release finger flush with the key conduit to come into contact with a key hole and a second end beyond the outer wall of the rotor to come into contact with a longitudinal groove in the internal wall of the barrel body.
  • the groove of the internal wall of the barrel body may comprise at least one inclined part to facilitate compression of the single spring during displacement of the rotor after the introduction of the key. So the removal of the key is impossible outside an angular position defined by the precise location of the groove.
  • the bit comprises a conductive track ring intended to cooperate with a single fixed electrical contact of the barrel body to allow energy to be supplied to the motor means.
  • the barrel body has at least one perforation perpendicular to the axis of the at least one rotor intended to receive an electrical contact, advantageously of the ball type, for cooperating with a corresponding conducting element of the key.
  • Electronic circuits arranged in a cavity of the barrel body and connected on the one hand to at least an electrical ball contact and on the other hand a single fixed electrical contact, are further provided so that the supply of the motor means of the bit can be made directly from the key through electronic circuits.
  • the electronic barrel according to the invention comprises a first rotor or inner rotor and a second rotor or outer rotor and the protective cover of the outer rotor has a width greater than that of the protective flap of the inner rotor, in such a way that the introduction of a key into the external key duct does not not allow the bit to drive in the presence of a non-key recognized in the interior key channel.
  • the invention also relates to a lock with one or two rotors fitted with an electronic barrel as mentioned above.
  • FIG 1 shows in external perspective an embodiment of a barrel of an electronic lock according to the invention.
  • This barrel conforms in size to a conventional mechanical double cylinder (by example of symmetrical European type with double entry as illustrated), conventionally comprises, mounted between two upstream and downstream body parts 12, 14, an intermediate rotary locking bit 10 intended for actuation of the bolt (not shown) of this lock.
  • These two parts upstream and downstream bodies fit into each other for example using a connecting finger extending from the upstream body part and fixed in a corresponding opening of the downstream body part (see Figure 3) at the by means of any fixing elements (for example two screws 16).
  • Each body part is crossed by two half-stop rod 18, 20 (shown outside the barrel) whose function will be explained in more detail.
  • two upstream retaining rings and downstream can be simply force-fitted to cover these two body parts of the barrel.
  • all others means of protecting these rods in order to prohibit their removal can also be seen as a seal in body parts by soldering or soldering or total coverage by a single cover.
  • the invention cannot be limited to this single example of a European double cylinder type barrel and it finds naturally applicable in all types of European barrel or international (and possibly even non-standardized models), by example in a barrel of the simple button cylinder type or of the type half cylinder.
  • FIG. 2 The detail of the main internal parts constituting the barrel is illustrated in the exploded view of FIG. 2.
  • an upstream or downstream rotor (respectively internal and external rotors 32) in which a duct 36 is made (respectively 38) to receive a key 8 (more precisely the rod or blade of this key), a clutch part 40 (respectively 42) driven by the rotor and intended to engage with the bit 10, and a stirrup of reminder 44 (respectively 46) secured to the rotor.
  • a duct 36 is made (respectively 38) to receive a key 8 (more precisely the rod or blade of this key)
  • a clutch part 40 (respectively 42) driven by the rotor and intended to engage with the bit 10
  • a stirrup of reminder 44 (respectively 46) secured to the rotor.
  • a support 48 intended to receive a electric actuator, for example a micromotor 50, which is traversed by a support pin 52 fixedly carrying at each of its two ends a stop constituted by a protective flap 54, 56.
  • a toothed sector 58 also fixed in solidarity with the support axis 52 and in engagement with a drive pinion 60 carried by an output shaft of the micromotor 50.
  • a spring wound return 62 is mounted on the support shaft 52 and cooperates with a stop spring 64 to allow automatic recall of the protective flaps 54, 56 when removing the key.
  • this exemplary embodiment with shutters of pivoting protection under the action of a rotary micromotor is in no way restrictively and it is entirely possible to envisage a release an axial stop by means of a linear micromotor.
  • two connecting bars 66, 68 (without this number being limitative) whose length is greater than the width of the bit are provided to slide on each side of the support 48 and define a distance minimum between the upstream 44 and downstream 46 return stirrups and thus prohibit a simultaneous engagement of the two rotors on the bit 10 in case simultaneous introduction of two keys on each side of the barrel.
  • Figures 3 and 4 are views in longitudinal section of the barrel Figure 1 electronics which more precisely locate the internal parts illustrated in Figure 2.
  • Figure 3 is made in the vertical plane of symmetry of the barrel and
  • Figure 4 which is shown with the key 8 introduced into the inner rotor, is made in a horizontal passing plane by the axis of symmetry of the rotors.
  • the locking bit 10 mounted between an internal stator 22 and an external stator 24 forming the external parts of the barrel body.
  • the internal stator is secured to the external stator by a connecting finger through which two screws or pins pass fixing 16.
  • These two stators are each provided with a perforation longitudinal cylindrical 26, 28 having the same axis and in which are arranged the main internal components of the barrel.
  • One of these stators, for example the internal stator 22, is further provided with a cavity for receive the electronic circuits of the barrel 30.
  • the rotor has at one of its two ends the key duct 36 (38) and at the other end a first engagement means 70 (72) for cooperate with a corresponding second engagement means 74 (76) of the clutch part 40 (42).
  • This clutch part which is provided with a axial protuberance, or central stud 78 (80), intended to cooperate with the release stop further comprises a third engagement means 82 (84) intended to cooperate with a fourth engagement means 86 (88) of the bit so as to allow training in rotation of the bit by the rotor under the action of the torque of rotation of the key 8.
  • An elastic connecting element for example a spring coil compression 90 (92), is interposed between the rotor and the part Clutch.
  • the return bracket 44 (46) is formed by an annular disc 94 (96) with which are fixed at least one foot 98 (100) crossing the room clutch and whose free ends are for example aimed or crimped in the rotor 32 (34).
  • the clutch part is formed by a ring cylindrical provided with a central disc 102 (104) and comprising on the one hand and on the other side of this central disc the meshing means 74, 82 (76, 84) in form of grooves to ensure the connection in rotation on the one hand with the bit and secondly with the rotor.
  • the central disc of the piece clutch is preferably intended to cooperate with the annular disc the calliper.
  • the bit 10 whose positioning is ensured by a device conventional indexing device 106 comprising a compressing indexing finger a spring in an opening of one of the stators (for example the stator interior 22) is also provided with a longitudinal perforation 108 of which the axis coincides with that of the longitudinal perforations of the stators and which is intended to receive the micromotor 50 and its support 48.
  • the support and its motor are secured to the bit by any means of fixing (for example a screw whose opening for passage through the support is referenced 109 in FIG. 2), the support axis of the protective flaps 54, 56 crossing this support.
  • the component exterior 56 has a width greater than the interior flap, so that that the introduction into the outer rotor 34 of an unrecognized key cannot in no case allow opening of the lock if a key is already present (clutch part 40 engaged) in the inner rotor 32 (in thus taking advantage of previous recognition). Only a new recognition of this external key will allow tilting of the shutter outside 56 and, causing an advance of the clutch part outside 42 towards the bit, will cause the connecting bars 66, 68 to push the inner caliper 44 and release the inner clutch part 40 so that a new clutch of the bit by the outer rotor becomes possible despite the presence of the key in the inner rotor.
  • the bit also includes an annular conductive track 110 intended to cooperate with a single fixed electrical contact 112 of the body of the barrel in order to allow an energy supply of the means motors 50.
  • the two parts of the barrel body comprise each a perforation 114, 116 perpendicular to the axis of the rotors and intended to receive an electrical contact, advantageously of the ball type 118, 120, to cooperate with a corresponding conductive element of the key 8, for example an electrical contact or a conductive track 122.
  • the different electrical contacts are connected to each other through circuits electronics 30 arranged in a cavity of the barrel body, so that the power supply to the motor means of the locking bit can be made directly from the key through these circuits e.
  • the release finger thus formed is mounted perpendicular to the axis of the rotors in an opening 136, 138 partly passing through each rotor, a first end of this finger coming flush with the key conduit to cooperate with an orifice 140 of this key while its second end, going beyond the outer wall of the rotor, comes into contact with a groove 142, 144 made longitudinally in the internal wall of the corresponding stator.
  • the compression of the spring unique (which prohibits any removal of the key) made during the trip in rotation of the rotor after the introduction of the key is facilitated by a part inclined of the groove of the internal wall of the stator on which will slide the external part of the release finger.
  • the operation of the double barrel illustrated is as follows. We first assume that no key is inserted into the lock. The two rotors are therefore in a first rest position, free in rotation. The clutch parts are linked to the rotors but not to the bit. In this initial state, the protective shutters are in a first position (initial closed position) in which the movement of the clutch parts is not possible. The bit is maintained by the indexing finger in a position offset from the vertical, preferably around 30 °.
  • the conductive track of the key is automatically linked electric with the ball contact of the barrel (a few fractions of seconds sufficient to ensure this connection). Therefore, an exchange of information between the key and the barrel can be made between the memory means of the key and those of the barrel for recognition of identification codes respectively. If this recognition proves conclusive (which means that the key has a right of access to the barrel), the electric micromotor is powered ensuring through its drive pinion a pivoting of the toothed sector.
  • the protective flaps tilt by forcing the spring and releases the clutch part which can then, under the effect of rebound of the compression spring, advance towards the bit as soon as the angle opening the shutter allows it. This movement puts the clutch part in taken with the bit that a rotation of the key is then enough to drive.
  • the opening torque is therefore transmitted from the rotor to the clutch part, then to the bit by the different means of engagement (grooves) of these three components.
  • the key is found blocked in the rotor due to blockage of the clutch release finger resulting from the exit of the groove of the internal stator.
  • the structure thus described is particularly simple and not very energy consuming. Indeed, the protective flap is maintained automatically in the released (released) position by the clutch part, once it is engaged with the bit. Continuous feeding of motor is therefore not necessary and only an initial impulse to release this clutch part is essential for the proper functioning of the barrel.
  • a single motor ensures the tilting of the two protective flaps.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Mechanical Operated Clutches (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP99920916A 1998-05-27 1999-05-26 Serrure electronique a embrayage mecanique Expired - Lifetime EP1080286B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9806642A FR2779168B1 (fr) 1998-05-27 1998-05-27 Serrure electronique a embrayage mecanique
FR9806642 1998-05-27
PCT/FR1999/001224 WO1999061728A1 (fr) 1998-05-27 1999-05-26 Serrure electronique a embrayage mecanique

Publications (2)

Publication Number Publication Date
EP1080286A1 EP1080286A1 (fr) 2001-03-07
EP1080286B1 true EP1080286B1 (fr) 2002-07-31

Family

ID=9526744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99920916A Expired - Lifetime EP1080286B1 (fr) 1998-05-27 1999-05-26 Serrure electronique a embrayage mecanique

Country Status (19)

Country Link
US (1) US6334347B1 (zh)
EP (1) EP1080286B1 (zh)
JP (1) JP4526706B2 (zh)
KR (1) KR20010071326A (zh)
CN (1) CN1265071C (zh)
AT (1) ATE221609T1 (zh)
AU (1) AU3831499A (zh)
BG (1) BG104985A (zh)
BR (1) BR9910713A (zh)
CA (1) CA2333140A1 (zh)
DE (1) DE69902380T2 (zh)
ES (1) ES2182520T3 (zh)
FR (1) FR2779168B1 (zh)
HK (1) HK1038387A1 (zh)
HU (1) HU225755B1 (zh)
IL (1) IL139698A0 (zh)
PL (1) PL192770B1 (zh)
TR (1) TR200003463T2 (zh)
WO (1) WO1999061728A1 (zh)

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DE102005041974B3 (de) * 2005-09-03 2006-12-21 TST Tresor- und Schloßtechnik GmbH Schliesszylinder mit Kupplung

Families Citing this family (43)

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FR2779168B1 (fr) 1998-05-27 2001-01-26 Euronetics France Serrure electronique a embrayage mecanique
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TR200003463T2 (tr) 2001-04-20
HUP0102645A2 (hu) 2001-11-28
BG104985A (en) 2001-10-31
HUP0102645A3 (en) 2002-02-28
FR2779168B1 (fr) 2001-01-26
KR20010071326A (ko) 2001-07-28
PL192770B1 (pl) 2006-12-29
HK1038387A1 (en) 2002-03-15
US6334347B1 (en) 2002-01-01
CA2333140A1 (en) 1999-12-02
EP1080286A1 (fr) 2001-03-07
JP2002516936A (ja) 2002-06-11
IL139698A0 (en) 2002-02-10
FR2779168A1 (fr) 1999-12-03
ATE221609T1 (de) 2002-08-15
HU225755B1 (en) 2007-08-28
CN1307662A (zh) 2001-08-08
ES2182520T3 (es) 2003-03-01
AU3831499A (en) 1999-12-13
DE69902380D1 (de) 2002-09-05
CN1265071C (zh) 2006-07-19
DE69902380T2 (de) 2003-04-24
PL344473A1 (en) 2001-11-05
JP4526706B2 (ja) 2010-08-18
WO1999061728A1 (fr) 1999-12-02
BR9910713A (pt) 2001-01-30

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