Classifications

• • 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
  • E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
  • E05B9/084—Fastening of lock cylinders, plugs or cores
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B77/00—Vehicle locks characterised by special functions or purposes
  • E05B77/36—Noise prevention; Anti-rattling means
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B77/00—Vehicle locks characterised by special functions or purposes
  • E05B77/44—Burglar prevention, e.g. protecting against opening by unauthorised tools
• • 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

Definitions

• the present invention relates to a lock and a lock for a locking system of a motor vehicle. More particularly, the invention relates to a rotary electrical switch lock for a motor vehicle lock.
• the locks comprise a stator inside which a rotor is able to be rotatable when the key according to the lock is inserted so as to unlock the locking system of the motor vehicle.
• the lock comprises a cover which is held in front of the lock stator by a crimping located at the rear of the cover, to ensure the integrity of the lock, especially in case of tearing or sinking of the rotor.
• the present invention aims to remedy this problem by proposing a lock intended to be inserted and fixed in a motor vehicle antitheft body comprising: a stator inside which a rotor is capable of being rotatable, said stator comprising means for attaching to said antitheft body, a rotor cover fixed on the front face of said stator, said cover having an opening for the passage of a key capable of cooperating with said rotor, an anti-pulling means carried by said cache and said stator for fixing said cover to said stator and axially retaining said rotor in said stator, characterized in that said anti-tearing means is configured to axially lock said cover on said stator by positioning said cover on said stator and its subsequent pivoting on said stator.
• the cover can thus be mounted manually on the stator so that the assembly does not require any specific tool or mounting station. This results in a decrease significant cost of production and assembly. In addition, the holding of the lock against the depression or tearing of the rotor is increased.
• - said anti-tearing means is configured to cooperate with an anti-unscrewing means of said antitheft body to lock the rotation of said cache in said antitheft body, said cache is fixed to said stator by a bayonet mounting forming said anti-tearing means for axially retaining said rotor in said stator; bayonet mounting allows a better resistance to tearing, said cover has a bearing receiving a corresponding flange of said front face of said stator, said flange having at least two recesses and said cover having two corresponding radial hooks capable of cooperating with said recesses for axially retain said cover, - said recesses respectively have a first recess for the passage of said hook and a second recess for guiding said cover in rotation and axially retain said hook, said radial hooks of said anti-tearing means are intended to cooperate with corresponding housings said anti-loosening means, the lock further comprises a locking element in rotation of said cover on said
• the invention also relates to an antitheft device of a motor vehicle comprising an antitheft body, characterized in that it comprises a lock, as described above, received in said antitheft body.
• said antitheft body comprises an anti-unscrewing means of said cover on said stator, said anti-loosening means cooperates with said lock anti-tearing means to lock the lock.
• rotation of said cover in said anti-theft body said anti-unscrewing means comprises housings formed in said anti-theft body and shaped to receive the corresponding radial hooks of said cover, said fastening means of said stator has an elastic stud cooperating with a corresponding orifice formed inside said antitheft body.
• FIG. 1 is a view of a lock according to a first embodiment being assembled in a motor vehicle lock
• FIG. 2 is an exploded perspective view of the lock of FIG. 1, FIG. in perspective of the lock of FIG. 2 in the assembled state before being mounted in the motor vehicle lock
• FIG. 4 is a cross-sectional view of the assembled lock of FIG. 3
• FIG. 3 is an exploded perspective view of a latch according to a second embodiment
• FIG. 7 is a partial sectional view of the latch assembled in a top view of the FIG. 6.
• the front face of the lock is designated by the end of the lock accessible by the user from outside the motor vehicle.
• FIG. 1 illustrates an insert lockable lock, intended to be mounted in a motor vehicle to secure the direction.
• the antitheft device comprises an antitheft body 1 having a first portion in which are integrated locking means for blocking a movable element of the direction (not visible).
• the antitheft body 1 is also provided with a second portion inside which a latch 2 is intended to be inserted and secured.
• the latch 2 comprises a stator 3 inside which a rotor 4 is mounted to control the implementation of the locking means, via a connecting element (not shown).
• the connecting element has an end shaped so as to be able to fit into a corresponding cavity 5 at the rear of the latch 2 (see FIGS. 2 and 3) and thus cooperate by driving with the rotor part 4 of the latch 2.
• the rotor 4 is movable in axial rotation 11 inside the stator 3 when the key according to the latch 2 is inserted into the rotor 4 by the keyway 6 provided at the front end of the rotor 4, in order to unlock the locking system of the motor vehicle ( Figures 1 and 4).
• the term "rotor” designates very generally any subassembly comprising a rotor body through which radial slots 7 are provided, able to receive flakes which are mounted to move in radial translation. and which are coupled to return springs permanently driving them into protruding positions with respect to the rotor body.
• the lock stator 3 furthermore has a fastening means to the antitheft body 1, for securing the lock 2 with the antitheft body 1.
• FIG. 1 illustrates an exemplary embodiment in which the fastening means has an elastic stud 8, for example mounted on a spring, implanted on the surface of the stator 3 of the latch 2, cooperating with a corresponding orifice 9, of a shape substantially complementary to the stud 8, formed inside the second portion of the antitheft body 1.
• the lock 2 comprises a cover 10 intended to be fixed on the front face of the stator 3.
• the cover 10 has, for example, an internal bearing 1 1 having an external peripheral edge 12, designed to receive a corresponding collar 13 of the front face of the stator 3.
• the cover 10 also has a circular opening 14 to make accessible the key inlet 6 formed at the front end of the rotor 4.
• the cover 10 is made of a material resistant to tearing for example Zamak type material (Zamak is an alloy based on zinc, aluminum and magnesium with sometimes copper).
• the latch 2 is located in the antitheft body 1 so that the keyway 6 is accessible from outside the motor vehicle.
• the latch 2 comprises an anti-tearing means carried by the cover 10 and the stator 3 to fix the cover 10 to the stator 3 and axially retain the rotor 4 in the stator 3.
• the presence of the anti-tearing means is essential to ensure the integrity of the rotor 4 of the lock 2, in particular with respect to possible attempts of break-in by tearing or breaking of the rotor 4.
• the anti-tearing means is configured to block axially the cover 10 on the stator 3 by positioning the cover 10 on the stator 3 and its subsequent pivoting on said stator 3.
• the assembly can thus be performed manually so that no specific tool or mounting station is necessary. This results in a significant decrease in production and assembly costs.
• the antitheft body 1 comprises an anti-unscrewing means of the cover 10 on the stator 3.
• the anti-tearing means is configured to cooperate with anti-loosening means of the anti-theft body 1 to lock the rotation of the cover 10 in the anti-theft body 1.
• the cover 10 is fixed to the stator 3 by a bayonet mounting, that is to say that the cover 10 is placed on the stator 3 and pivots to be retained in the axial locking position.
• the bayonet mount forms an anti-tearing means, able to block, in axial translation, the rotor 4 inside the stator 3 when the lock 2 is fixed inside the lock 1.
• the holding of the lock face the driving or tearing of the rotor is thus increased by bayonet mounting which allows a better resistance to tearing.
• the flange 13 of the front face of the stator 3 has for example at least two recesses 22 and the edge 12 of the cover 10 has two corresponding radial hooks 23.
• the hooks 23 cooperate with the recesses 22 to axially retain the cover 10 by the collar 13.
• the recesses 22 and the hooks 23 are arranged diametrically opposite respectively on the flange 13 and the edge 12.
• the recesses 22 have for example respectively a first recess 22a for the axial passage of the hook corresponding 23 and a second recess 22b to guide the cover 10 in rotation and axially retain the hook 23.
• the hooks 23 further have lateral stops 24 to stop the rotation of the cover 10 at the end of the race.
• the radial hooks 23 of the anti-tearing means are further intended to cooperate with corresponding housings 32 of the anti-loosening means.
• the anti-loosening means of the antitheft device comprises, for example, two lateral housings 32, formed near the mouth of the anti-theft body 1, diametrically opposite and shaped to receive the corresponding radial hooks 23 of the cover 10 and block them in rotation (figure 1).
• the hooks 23 of the bayonet assembly have, in addition to the anti-tearing function of the rotor, an anti-loosening function of the cover 10 when the latch 2 is inserted into the antitheft body 1.
• the latch 2 further comprises a rotational locking element 15 of the cover 10 on the stator 3.
• the rotational locking element 15 makes it possible to make up any games that may exist between the cover 10 and the latch stator 3 and thus, to eliminate the noise caused by a relative movement between the cover 10 and the stator 3 during the transport of the lock 2 on the vehicle assembly line and once mounted in the lock .
• the rotational locking element 15 has, for example, a generally strip-like shape and comprises means for assembling the stator 3 and the cover 10.
• the rotational locking element 15 has a hooking lug 16 intended to cooperate with the edge 12 of the cover 10.
• the rotational locking element 15 can lock the bayonet fitting by the relative angular position. of the cover 10 with respect to the stator 3 so that a same manual rotation of the cover 10 makes it possible to fix the cover 10 to the stator 3 and to block the rotation of the cover 10.
• said hooking tab 16 extends radially towards a corresponding notch 17 provided in said rim 12 of the cover 10 so that the locking element 15 can be mounted on the lock subsequently. to the cache 10.
• the rotational locking element 15 may be snap-fastened to the latch stator 3.
• rotation 11 of the rotor 4 lock 2 and has a first P1 and a second P2 parts for cooperating with said corresponding longitudinal ends of the stator 3 lock 2.
• the first and second parts P1, P2 are connected by a bridge 18 of the element Rotational lock 15.
• An elastic bridge 18 is provided, for example, formed by a curved strip, to make up the play tolerances.
• the rotational locking element 15 has the general shape of a strip extending on the stator 3 having a first portion P1 at the rear of the lock, a trigger guard 18 and a second P2 portion to the front of the latch 2.
• the first portion P1 has two first resilient snap arms 19 disposed on either side of said central strip and a third resilient snap arm disposed at the rear said latch stator.
• the resilient snap arms 19 are intended to cooperate with a corresponding groove 20 provided in the latch stator 3.
• the first portion P1 furthermore has a through-hole 21 for the passage of the elastic stud 8 of the stator fixing means 3.
• the second part P2 disposed at the front of the latch 2 has two resilient snap arms 19 arranged on either side of the central strip, said central strip extending towards the front of the latch 2 by the lug of hanging 16.
• a rotational locking element 15 made of plastics material is provided.
• the edge 12 of the cover 10 To facilitate assembly, provision is made for the edge 12 of the cover 10 to have two notches 17 that are diametrically opposite and equidistant from the two hooks 23.
• the cover 10 has an axis of symmetry making it possible to define two angular positions of the cover 10 in which the cover 10 is fixed to the stator 3 and locked in rotation.
• the rotational locking element 15 is fixed by snap-fastening to the latch stator 3 (arrow 27).
• the hooking lug 16 then cooperates with the notch 17 locking the rotation of the cover 10.
• said hooking tab 16 extends laterally to a corresponding fastener 28 provided in said edge 12 of the cover 10 so that said cover 10 can be mounted on the lock later. to said blocking element 15.
• the cover 10 is pivoted on the flange 13 (arrow 31) until the hooking lug 16 cooperates with the fastener 28 locking the rotation of the cover 10.
• the insertion of the latch 2 in the antitheft body 1 then permanently locks the rotation of the cover 10.
• the latch 2 thus has a reinforced holding against the depression or tearing of the rotor 4, and also allows a reduction significant cost of production and assembly.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Lock And Its Accessories (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=41353798

Family Applications (1)

Country Status (6)

Cited By (4)

Citations (6)

Family Cites Families (4)

• 2009
  • 2009-04-16 FR FR0901842A patent/FR2944544B1/fr not_active Expired - Fee Related
• 2010
  • 2010-04-09 ES ES10713215.1T patent/ES2586180T3/es active Active
  • 2010-04-09 JP JP2012505128A patent/JP5663718B2/ja not_active Expired - Fee Related
  • 2010-04-09 WO PCT/EP2010/054697 patent/WO2010118988A1/fr active Application Filing
  • 2010-04-09 EP EP10713215.1A patent/EP2435649B1/fr active Active
  • 2010-04-09 RU RU2011146317/12A patent/RU2540872C2/ru not_active IP Right Cessation

Patent Citations (6)

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