Classifications

• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B79/00—Mounting or connecting vehicle locks or parts thereof
  • E05B79/02—Mounting of vehicle locks or parts thereof
  • E05B79/06—Mounting of handles, e.g. to the wing or to the lock
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B81/00—Power-actuated vehicle locks
  • E05B81/54—Electrical circuits
  • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
  • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
  • E05B81/77—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles comprising sensors detecting the presence of the hand of a user
• • 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
  • E05B85/01—Mechanical arrangements specially adapted for hands-free locking or unlocking
• • 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
  • E05B85/10—Handles
  • E05B85/14—Handles pivoted about an axis parallel to the wing
  • E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part

Definitions

• the invention relates to a security system for a motor vehicle opening.
• the invention relates more particularly to a security system for an opening of a motor vehicle, of the type in which the opening is held in the closed position by a lock which is controlled by means of a pin arranged on the outer face of a body panel of the opening, of the type in which the security system comprises means for detecting the presence of a hand of a user near the handle which comprise:
• a module which carries the sensor and which is arranged on the inner face of the body panel in such a way that the sensor is facing a window arranged in the body panel, of the type in which the window of the panel
• the bodywork is closed by a cover which is made of a material which is transparent for the signal, and of the type in which the cover has an annular external peripheral wall which is in axial support against the external face of the bodywork panel, and a tubular skirt which extends axially inwards from the outer peripheral wall, through the window of the body panel.
• the object of the invention is more particularly to propose a design of the cover which facilitates the mounting of the system on the opening and which allows to lower the cost of carrying out this operation, while guaranteeing reliability of the mounting and of the system, in particular through a good sealing, to prevent dust or humidity from disturbing the functioning of the system.
• the invention provides a security system of the type described above, characterized in that the cover is retained axially in the window of the body panel by means of an elastically deformable inner ring which is carried by the tubular skirt, and which allows the axial mounting of the cover from the outside to the inside by elastic interlocking.
• the ring has, on its transverse face facing inwards, at least one surface forming a ramp for controlling its radial deformation by cooperation with the edge of the window, when the cover is mounted in the window, and the ring has a face transverse oriented towards the exterior which delimits an axial abutment surface, which extends in rega rd from the interior face of the body panel, when the cover is in the position mounted in the window;
• the tubular skirt has on its transverse face oriented towards the inside, at least one surface forming a ramp for controlling the radial deformation of the ring by cooperation with the edge of the transverse face oriented towards the outside of the ring, and the tubular skirt has a transverse face oriented towards the outside which defines an axial abutment surface, which extends opposite the transverse face oriented towards the inside of the ring, when the bag is in position mounted on the tubular skirt;
• the ring, the tubular skirt respectively, comprises a ramp on each of the radial end portions of its transverse face facing inward;
• the tubular skirt respectively, has an axial abutment surface on each of the portions of radial end, and / or on each of the sides, of its transverse face oriented towards the outside;
• the ring has, on its transverse side facing inwards, at least one retaining tab which extends axially inwards, and the tubular skirt has at least two stop lugs which project from its side face peripheral and which frame the retaining tab to angularly index the ring relative to the tubular skirt;
• the stop lugs have a surface forming a ramp for controlling the radial deformation of the ring by cooperation with the edge of the transverse face oriented towards the outside of the ring;
• the ring is made of elastomeric, natural or synthetic material
• FIG. 1 is an exploded perspective view of the main components of a security system for a motor vehicle opening according to the teachings of the invention
• FIG. 2 is a perspective view which shows a cover according to the teachings of the invention before mounting the retaining ring on the cover
• FIG. 3 is a perspective view which shows a retaining ring according to the teachings of the invention before mounting on the cover;
• FIG. 4 is a perspective view which shows the ring of Figure 3 in the mounted position on the cover of Figure 2;
• FIG. 5A is a side view of the cover of Figure 4 shown in an intermediate position during assembly in the window of the body panel of the opening;
• Figure 5B is a diagram illustrating in front view the ring in the intermediate mounting position of Figure 5A;
• FIG. 6A is a side view of the cover of Figure 4 shown in its mounted position in the window of the body panel of the opening;
• FIG. 6B is a diagram illustrating in front view the ring in the mounted position.
• FIG. 1 Is illustrated in Figure 1 a motor vehicle security system 10 of known general design and comprising a handle of a motor vehicle sash which is intended to be mounted on an outer panel 12 of the body of the sash.
• the handle essentially comprises a handle support 14, which is fixed on the side of an internal face 16 of the panel 12, and a gripping lever 18 which is arranged on the side of the external face 20 of the panel 12, and which is articulated on the support 14, around an axis A1 substantially parallel to a general plane of the panel 12.
• the direction of the axis A1 will be arbitrarily qualified as vertical while the direction perpendicular to the axis A1 and perpendicular to the general plane of the panel 12, will be described as an axial direction along the mounting axis A2 of the elements of the handle on the panel 12.
• the front end 22 of the lever 18, which is substantially in the form of a transverse orientation bar, comprises a drawbar 24 intended to be engaged through a front orifice 26 of the body panel 12, in order to be mounted for rotation on the support 14.
• the rear end 28 of the gripping lever 16 comprises a rear foot 30 which extends axially inwards through a rear orifice 32 arranged in the panel 12 so as to cooperate with a linkage (not shown).
• a user is thus capable of maneuvering the gripping lever 18 by grasping a substantially central part of the lever 18 and by pulling it axially outwards from a rest position to an open position. This maneuver causes a rotational movement around the axis A1 of the lever 18. To bring the gripping lever 18 to its open position, the user of the vehicle must therefore put his hand between the body panel 12 and a surface. gripping 34 of the lever 18 to be able to pull the latter towards him, towards the outside with respect to the panel 12.
• the security system comprises a detection device 40 which makes it possible to detect the presence of the user's hand in the space 36 before the latter has actually gripped the lever 18 by its gripping surface 34, and which is carried by the handle support 14 arranged on the side of the inner face of the panel 12.
• the detection device 40 comprises in particular a sensor 42 which is carried by the transverse face oriented towards the outside of a housing 44 itself fixed on the handle support 14.
• the sensor 42 is connected to an electronic module for control (not shown) which is arranged inside the housing 44.
• the sensor 42 transmits and receives an electromagnetic type signal.
• the signal is emitted to carry out a trajectory which extends through the space 36 in such a way that, when the hand of the user penetrates inside this space 36, it obligatorily intercepts the trajectory of the signal and prevents the sensor 42 to receive the signal. Information relating to the presence of the hand in this space will then be deduced therefrom.
• the signal emitted by the sensor 42 is for example a light signal in the infrared range.
• the sensor 42 is arranged opposite a window 46 which is cut out in the recess 38 of the body panel 12.
• the signal emitted by the sensor 42 is directed outward through the window 46 of the panel 12. In l absence of a hand, the signal is reflected on a portion of the gripping surface 34 of the lever 16 which returns the signal towards the sensor 42, again through the window 46.
• the window 46 of the body panel 12 is intended to be closed off by a cover 48, an annular outer peripheral wall 50 of which extends substantially parallel to the body panel 12, on the outside. of it.
• the cover 48 is made of a material which is transparent to the electromagnetic signal.
• the cover 48 comprises a tubular skirt 52 which extends axially inwards from the annular outer peripheral wall 50, through the window 46 of the panel 12.
• cover 48 is in section of substantially oval shape. It has two rounded radial ends and substantially straight sides. According to variants (not shown) of the invention, the cover is of another shape, for example rectangular or circular.
• the cover 48 is shown with its tubular skirt 52 situated above its annular outer peripheral wall
• the radial ends are situated substantially on the left and the right of the figures.
• FIG. 2 a perspective view of the cover 48.
• the tubular skirt 52 has on its transverse face 54 facing inward, surfaces 56, 58 forming a ramp at each of its radial ends, here respectively to the left and to the right in the figure.
• the tubular skirt 52 also has a transverse face 60 oriented towards the outside which delimits axial abutment surfaces 62. These axial abutment surfaces 62 are located here under the surfaces 56, 58 which form a ramp.
• the tubular skirt 52 also includes stop lugs
• the abutment lugs 64 also have on their transverse face inwardly facing a surface 68 forming a ramp, and on their transverse face facing outward a stopper surface 69.
• FIG. 3 shows a perspective view of the ring 70 before it is mounted and
• FIG. 4 shows a perspective view of the ring 70 in the position mounted on the tubular skirt 52.
• the ring 70 has on its transverse face 72 oriented inwards two retaining tabs 74 which extend axially inwards.
• the ring 70 is mounted on the tubular skirt 52 from the inside to the outside along the mounting axis A2.
• the internal edge of the transverse face 76 oriented towards the outside of the ring 70 cooperates with the surfaces 56, 58, 68 forming a ramp so that the ring 70 is elastically deformed by deviating radially at the height of the ramps.
• the ring 70 As soon as the ring 70 extends axially beyond the ramps, it resumes its initial shape, which produces its elastic interlocking on the tubular skirt 52.
• each retaining tab 74 is designed to fit into the space formed between the two stop lugs 64 located on one side of the tubular skirt 52.
• the stop lugs 64 oppose circumferential angular movements of the ring 70 in the position mounted on the tubular skirt 52.
• the ring 70 has on its transverse face 72 oriented inwards, surfaces 78, 80 forming a ramp at each of its radial ends, here on the left and on the right in FIG. 3.
• the face transverse 76 oriented towards the outside delimits axial abutment surfaces 82, 84 respectively at the radial ends and on the sides of the ring 70.
• the surfaces 78, 80 forming a ramp cooperate with the edge 86 of the window 46 so that the ring 70 deforms radially by compressing at the height of the ramps, as can be seen in Figures 5A and 5B.
• the radial ends of the ring 70 are then in radial abutment against the edge 86 of the window 46, and the cover 48 is in the intermediate position during assembly.
• the compression at the level of the ramps also produces a radial spacing of the ring 70 on its sides which appears clearly in FIG. 5B.
• the cover 48 For the cover 48 to occupy the mounted position, it suffices to continue to move it axially inwards from the intermediate position.
• the ring 70 then automatically resumes its initial shape, which produces the elastic fitting of the cover 48 in the window 46.
• the cover 48 When the cover 48 is in the mounted position, the ring 70 is in transverse support on the edge 86 of the window 46 by the radial end portions 88 of its peripheral lateral face 90, and it is in axial support on the internal face 16 of the panel 12 by its axial abutment surfaces 82.
• the cover 48 is in axial support on the external face 20 of the panel 12 by its annular peripheral wall 50.
• the ring 70 axially retains the cover 48 inside the window 46 of the body panel 12.
• the dimensions of the ring 70 and the window 46 are provided so that the ring 70 fits into the frame of the window 46 when it is deformed by the mounting operation.
• the ring 70 must be long enough axially so that the axial abutment surfaces 82 of its radial ends are vis-à-vis the inner face 16 of the body panel 12, in the mounted position.
• the window 46 is of substantially rectangular shape.
• the window 46 can be of any other shape allowing the ring 70 to fit into its frame and to bear axially on the inner face 16 of the panel 12.
• the ring 70 is mounted on the tubular skirt 52 with radial clearance in order to facilitate its elastic deformation and return to its original form.
• the ring 70 is made of natural or synthetic elastomeric material.
• a peripheral seal 92 is interposed axially between the cover 48 and the sensor 42. This seal is then in axial support oriented towards the outside on the transverse face 54 oriented towards the outside of the tubular skirt 52, and it places the axial abutment surfaces 82 against the internal face 16 of the panel 12.
• the ring 70 is carried by the tubular skirt by any other known means, for example by gluing or by crimping.

Landscapes

• Lock And Its Accessories (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=9550803

Family Applications (1)

Country Status (6)

Families Citing this family (9)

Family Cites Families (10)

• 1999
  • 1999-10-12 FR FR9912674A patent/FR2799491B1/fr not_active Expired - Fee Related
• 2000
  • 2000-10-10 WO PCT/FR2000/002803 patent/WO2001027419A1/fr active IP Right Grant
  • 2000-10-10 DE DE60011388T patent/DE60011388T2/de not_active Expired - Lifetime
  • 2000-10-10 JP JP2001529538A patent/JP5202781B2/ja not_active Expired - Fee Related
  • 2000-10-10 EP EP00967986A patent/EP1144781B1/de not_active Expired - Lifetime
  • 2000-10-10 US US09/857,941 patent/US6518883B1/en not_active Expired - Lifetime

Non-Patent Citations (1)

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