EP1030007A1 - Schliessblech für ein Kraftfahrzeug-Türschloss - Google Patents

Schliessblech für ein Kraftfahrzeug-Türschloss Download PDF

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Publication number
EP1030007A1
EP1030007A1 EP00400362A EP00400362A EP1030007A1 EP 1030007 A1 EP1030007 A1 EP 1030007A1 EP 00400362 A EP00400362 A EP 00400362A EP 00400362 A EP00400362 A EP 00400362A EP 1030007 A1 EP1030007 A1 EP 1030007A1
Authority
EP
European Patent Office
Prior art keywords
pin
core
ring
vehicle
diameter
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.)
Withdrawn
Application number
EP00400362A
Other languages
English (en)
French (fr)
Inventor
Luc Deblock
Jean Sannier
José D'Almeida
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
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 Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP1030007A1 publication Critical patent/EP1030007A1/de
Withdrawn legal-status Critical Current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
    • 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
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/36—Noise prevention; Anti-rattling means

Definitions

  • the present invention relates to a keeper for a lock motor vehicle door.
  • the vehicle door strikes are usually consisting of a metal plate which is folded so that form a U, one of the branches of which is fixed to the body of the vehicle, and a pin constituting a spacer between the ends free from the two branches of the U, intended to be hung by the bolt when closing the door.
  • the door consists of a panel external and an internal box consisting of an internal wall parallel to the exterior door panel and end wall overall perpendicular to said external panel.
  • the lock is arranged in the internal box, in the angle between the internal wall and the wall end of said box.
  • a notch is made in the corner of the box, partly on the inner wall and partly on the wall end of said box, so as to allow the insertion of the keeper in the opening of the lock when closing the door for the attachment of the pin of said strike by the bolt of said lock.
  • the strike piece is generally made up of a core cylindrical metal, which is made integral with the two branches of the U by known techniques such as riveting or screwing.
  • a plastic ring is provided on the outer wall of this core so as to reduce door closing noises, this ring being, for example, placed on the core by overmolding.
  • Said ring has an external diameter corresponding to the width of the notch bolt in the area of the said notch where the pawn is located when the door is closed.
  • the keepers are not strong enough which causes them deformation during impacts.
  • the U branch not attached to the vehicle body moves under the action of a bending of the pin due to a force exerted by the bolt of the lock and, in this case, the maximum stress is exerted on the end of the pawn which is near the branch attached to the vehicle body.
  • the U branch not attached to the vehicle upright is close to the other branch by crushing the plastic ring: in this case, the strike enters the door casing and the door cannot no longer be open.
  • the invention aims to provide a resistance keeper increased.
  • the invention relates to a keeper for a lock motor vehicle door consisting, on the one hand, of a plate folded back to form a U with two parallel branches connected by a bottom, one of the branches being fixed on an element of the vehicle body, and on the other hand, of a cylindrical pin of external diameter d connecting the free ends of the branches of the U, this pin being intended to slide in a notch in the bolt of the lock, said pin being made up of a metallic core whose ends are secured to said branches and a plastic ring which surrounds said core and has a thickness e sufficient for dampen the closing noise of the vehicle door, the diameter external of said pin being equal to the width of the notch of the bolt in the area of said notch where the pawn is located when the door is closed, characterized in that the plastic ring does not substantially covers the area of the pawn in which the bolt is likely to cooperate with the striker pin when the door is closed.
  • the core of the keeper has, in its zone where the bolt of the lock is likely to cooperate with the pin of the door release when the door is closed, a circumferential clearance of depth e filled with plastic to form the ring of the pawn.
  • the soul of the pawn is diameter d at its end intended to be fixed on the branch of the keeper linked to the vehicle body.
  • the core is of diameter d at its end adjacent to the branch of the keeper, which is not secured to the vehicle body.
  • the core of the pawn has a shoulder beyond which it has a diameter reduced to d-2e; for this last variant, we can provide that the clearance to the right of which the pawn ring is formed is extended by a threaded end by which the pin is screwed into a collar provided on the strike branch, which is not attached to the vehicle body.
  • the soul of the pawn has a diameter a little less than d and the clearance of said core constitutes a groove in which is placed the plastic ring of thickness e, said ring being extended on both sides by very thin sleeves, so that the plastic covers said core over its entire length between the branches of the spoils.
  • a keeper 1 of the prior art consists of a folded plate so as to form a U having two parallel branches 10 and 12 connected by a bottom 11.
  • the branch 10 is intended to be fixed by screws, not shown in the drawing, to the body of a vehicle.
  • a pin 2 connects the free ends of the branches 10 and 12 of the U.
  • This pin 2 is constituted by a metallic cylindrical core 38 secured to said branches, for example by riveting, and carries a ring 31 of plastic material of thickness e intended for dampen the closing noises of the vehicle door, a ring which uniformly covers the entire surface of the tube 38.
  • the riveting of the pin 2 can be carried out in particular by engaging a frustoconical head 38 a of the core 38 in a frustoconical bore of the branch 12 and by riveting by stamping the other end 38 b of the core 38 in a bore of the branch 10.
  • the outer diameter of the plastic ring 31, which constitutes the external diameter d of the pin 2 of the keeper 1 is equal, to the clearance close to the width of the bolt notch in the area of said notch where the pawn is located when the door is closed. This diameter d is therefore defined by the bolt of the lock with which the keeper must cooperate.
  • the plastic ring 31 must have a thickness e sufficient to dampen closing noises as well as possible the vehicle door, both at the time of closing when the bolt comes into contact with the keeper, only after closing when the bolt is in contact with the strike and that this contact is subjected to vibrations due to movement of the vehicle.
  • FIG. 1A shows a first type of deformation under the action of the force F 1 exerted on the pin 2 by the lock bolt; to oppose it, the invention proposes to keep a maximum diameter for the area of the pin 2, which is adjacent to the branch 10.
  • FIG. 1B shows a second type of deformation under the action of the force F 2 exerted by a sheet 50 of the vehicle door; to oppose it, the invention proposes to ensure that the branch 12 is retained by the metal core of the pin 2 either by simple support or by a thread.
  • the plastic ring of predetermined thickness does not cover that a reduced zone of the core corresponding to zone Z at the level of which the bolt cooperates with the striker pin.
  • This Z zone is more as wide as the thickness of the bolt so as to take account of dispersions current geometries at this level.
  • the pin 2 has an external diameter d and that the core 20 is generally of diameter d but has a circumferential clearance 21 constituting a groove of depth e filled with d 'a plastic which constitutes the ring 30.
  • the clearance 21 extends axially on the tube 20 throughout the zone Z.
  • the fixing of the core 20 on the striker plate is effected by engagement of its frustoconical head 20 c in a frustoconical bore of the branch 10 and by riveting its opposite end 20 a in an appropriate bore of the branch 12.
  • the branch 12 of the keeper which is not fixed to the vehicle body, has an internally threaded collar 13 into which is screwed a threaded end 23 of the core 22 of the pin 2.
  • the core 22 is of diameter d at its end located in the vicinity of the branch 10 fixed to the vehicle body, this end ending in a screw head 23 a of frustoconical shape which is housed in a recess of the same shape so as not to project from the branch 10 when the end 23 of the core 22 of the pin is screwed into the collar 13, and has a shoulder 24 beyond which the core 22 has a diameter reduced to d-2e.
  • a ring 32 of plastic material of thickness e is put in place in the whole zone Z, which is between the shoulder 24 and the threaded end 23.
  • the core 25 of the pin 2 is similar to that of Figure 2 but has a diameter a little less than d so that the ring 36 of plastic material of thickness e arranged in the clearance 26 of the core 25 can be extended by sleeves 35 and 37 of very small thickness.
  • the plastic material covers the entire lateral surface of the core, which makes it possible to propose a keeper according to the invention having the same appearance as the keepers of the prior art while being more resistant.
  • the sleeves 35 and 37 having a very small thickness the core 25 of the pin retains, in the vicinity of the branch 10, that is to say in its zone of maximum stress in the event of a frontal impact from the vehicle, a large diameter very close to the value imposed by the dimensioning of the bolt.
  • the clearance 26 constitutes a groove, which leaves, on the side of the branch 12, at the level of the sheath 37, a flange 25 a forming a support for the branch 12; the branch 10 has a frustoconical bore where the head 25 b frustoconical of the core 25 is positioned; the connection of the pin 2 with the plate of the keeper 1 is ensured by riveting 25 c .
  • the deformation of the branch 12 in the direction of the branch 10 is prevented due to the presence of the flange 25 a .

Landscapes

  • Lock And Its Accessories (AREA)
EP00400362A 1999-02-19 2000-02-09 Schliessblech für ein Kraftfahrzeug-Türschloss Withdrawn EP1030007A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9902076A FR2790025B1 (fr) 1999-02-19 1999-02-19 Gache pour serrure de portiere de vehicule automobile
FR9902076 1999-02-19

Publications (1)

Publication Number Publication Date
EP1030007A1 true EP1030007A1 (de) 2000-08-23

Family

ID=9542279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00400362A Withdrawn EP1030007A1 (de) 1999-02-19 2000-02-09 Schliessblech für ein Kraftfahrzeug-Türschloss

Country Status (2)

Country Link
EP (1) EP1030007A1 (de)
FR (1) FR2790025B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680902A (en) * 1971-01-04 1972-08-01 Atwood Vacuum Machine Co Shielded striker for a vehicle latch
FR2465054A1 (fr) * 1979-09-13 1981-03-20 Tack & Gabel Fermeture de porte de vehicule automobile
US4911488A (en) * 1987-12-02 1990-03-27 Kiekert Gmbh & Co. Kommanditgesellschaft Motor-vehicle door latch with built-in switch
DE9015816U1 (de) * 1990-11-20 1991-04-11 Mertens Gmbh & Co, 4830 Guetersloh, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680902A (en) * 1971-01-04 1972-08-01 Atwood Vacuum Machine Co Shielded striker for a vehicle latch
FR2465054A1 (fr) * 1979-09-13 1981-03-20 Tack & Gabel Fermeture de porte de vehicule automobile
US4911488A (en) * 1987-12-02 1990-03-27 Kiekert Gmbh & Co. Kommanditgesellschaft Motor-vehicle door latch with built-in switch
DE9015816U1 (de) * 1990-11-20 1991-04-11 Mertens Gmbh & Co, 4830 Guetersloh, De

Also Published As

Publication number Publication date
FR2790025A1 (fr) 2000-08-25
FR2790025B1 (fr) 2001-05-25

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