Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
  • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
  • B60R25/02—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism
  • B60R25/021—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch
  • B60R25/0215—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch using electric means, e.g. electric motors or solenoids
  • B60R25/02153—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch using electric means, e.g. electric motors or solenoids comprising a locking member radially and linearly moved towards the steering column
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
  • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
  • B60R25/02—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism
  • B60R25/021—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch
  • B60R25/0215—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the steering mechanism restraining movement of the steering column or steering wheel hub, e.g. restraining means controlled by ignition switch using electric means, e.g. electric motors or solenoids
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
  • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
  • B62D1/16—Steering columns
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16H—GEARING
  • F16H1/00—Toothed gearings for conveying rotary motion
  • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
  • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
  • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
  • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel

Definitions

• Locking device in particular for a motor vehicle
• the invention relates to a locking device according to the preamble of
• Such locking devices serve as a steering lock for locking the steering column in a motor vehicle, more precisely, the steering shaft for the steering wheel to increase theft protection. For example, they are locked and / or unlocked when the ignition lock is actuated and / or controlled by a control unit in the motor vehicle.
• the steering column can also be another functionally relevant component of the motor vehicle, such as the transmission shift lever o. The like., Lockable.
• an electronic ignition lock can be used which can be actuated by means of an electronic key.
• an electronic ignition lock is on the
• Driving authorization systems come with a "KeylessGo" functionality are used, in which the authentication of the electronic key by a code transmission by means of electromagnetic waves takes place automatically when the user is inside the motor vehicle and, for example, actuates a start / stop button in the dashboard.
• the steering lock can be driven by a drive, for example an electric motor, in an advantageous manner.
• the electric motor is only triggered for unlocking when the coded data of the electronic key are correct, ie when the key associated with the motor vehicle is detected.
• a steering lock is a so-called electric and / or electronic steering lock.
• Such a locking device has a movable between a first and a second position locking member for locking the function-relevant component.
• the locking member is in the first position in blocking engagement with the component and / or is in the first position in blocking engagement with the component brought. In the second position, the locking member is disengaged from the component.
• a drive element serves for the movement of the locking member between the two positions. Furthermore, the previous locking device on two acting in each one of the two positions securing means for the locking member. The design of the locking device appears complex.
• the invention has for its object to further develop the locking device with respect to the securing means.
• the securing means should be designed simply and / or require little space in the locking device.
• the securing means for both the interaction with the locking member in the first position and the
• the securing means acts and / or acts in the manner of a backup for the tamper-resistant locking member in the first position and in the manner of securing means for securing the locking member in the second position against its unintentional movement to the first position.
• the one securing means serves two functionalities, so that the invention achieves a considerable simplification of the locking device and / or a construction space reduction for the locking device.
• Further embodiments of the invention are the subject of the subclaims.
• the housing may comprise a base, wherein the locking member may be movably guided in the base.
• the base may be made of metal. It may also be appropriate that the locking member of good resistance half made of metal.
• Worm wheel be formed. Furthermore, it may be that a lift curve is located on the drive element.
• the locking member engage by means of a pin in the lifting cam, so that when driving the drive element, the locking member between the two positions is movable.
• an electric motor for driving, in particular for rotation, of the drive element may be provided.
• Electric motor can be a DC motor.
• the securing means may be provided with the locking member.
• a receptacle for locking the securing means in the respective position is provided, such that the movement of the locking member is blocked in the respective position by means of the securing means.
• the securing means may be designed in the manner of a slider.
• the securing means can be loaded by means of an elastic element, in particular by means of a spring, with a force acting in the direction of the receiving force.
• the securing means can be arranged to be movable in a guide in the base.
• the securing means may be made of metal.
• the drive element in about be configured in a cylindrical shape with a first cover surface, a second cover surface and a lateral surface located between the two cover surfaces.
• the lift curve can be located on the lateral surface.
• the backdrop may be located on the second lid surface.
• the securing means can in turn engage by means of a cam in the backdrop.
• a cooperating with the drive element signal generating means may be provided for the respective position of the locking member, so that each of the
• the signal generating means may consist of a magnet and a Hall sensor.
• the magnet can in turn be arranged in a compact manner in and / or on the drive element.
• Locking device is to be determined below.
• Locking member and for securing the locking member each separate concepts. These concepts have a complex mechanism, which also requires a lot of space. Therefore, the complexity should be simplified and the effectiveness of the inventive concept increased and / or the cost of the locking device should be reduced.
• the invention proposes the combination of the return lever and the locking member assurance by means of a slider which is moved by means of an eccentric, instead of individual concepts for the individual functionalities. The slider thus effects the two functionalities security and theft protection for the
• the slide provides the return button lock according to the Thatcham requirements as well as the backup function for the
• receptacle 1 locking member locked
• receptacle 2 locking member unlocked
• the slide is aligned with the receptacle 2 when moving the locking member and reaching the unlocked position. Due to the spring force then moves the slider forward into the receptacle 2. This is then the
• Locking member is secured against erroneous movement. Between the two positions of the locking member, namely locking and unlocking, the slider is moved away from the locking member by means of the eccentric profile in the worm wheel, whereby a disability of the locking member is excluded even in case of malfunction.
• Created by means of the invention is thus a multifunctional concept for the slide in the locking device, namely to achieve the backup and the backup function for the locking member.
• Securing means simultaneously causes multiple functionalities for the locking device.
• the locking device is made compact, requires little space and has a lower weight.
• this can achieve a reduction in the manufacturing costs for the locking device.
• Show it 1 shows a steering wheel of a motor vehicle with a locking device in a schematic representation
• FIG. 2 shows a part of the locking device of FIG. 1 in an exploded view
• the locking device comprises a locking member, a drive element and a securing means
• FIG. 3 shows the locking member of FIG. 2 as an individual part
• FIG. 4 shows the drive element from FIG. 2 as an individual part
• Fig. 6 shows the interaction of the drive element with the locking member and with the
• Fig. 8 is a section through the arrangement of Fig. 6, wherein the locking member in a
• Fig. 9 is a section as in Fig. 8, wherein the locking member is located between the first and a second position, and
• Fig. 10 is a section as in Fig. 8, wherein the locking member in the second position
• the steering column 3 In the steering column 3 is the standing with the steering wheel 2 in conjunction steering shaft 4.
• a carrier assembly 5 At the steering column 3 a carrier assembly 5 is arranged in the manner of a steering module with a steering column switch 6 in the usual way.
• a steering wheel 2 Near the steering wheel 2 is a designed as an electric steering lock locking device 1 at a suitable location on the steering column 3, wherein the locking device 1 is shown schematically and in a partially broken view.
• the locking device 1 has a movable between two positions, with the force of a compression spring 28 (see Fig. 2) acted upon locking member 7.
• the locking member 7 is engageable according to a first position in a locking position 8 on the steering shaft 4 in the steering column 3, so that the locking member 7 is in blocking engagement with the steering shaft 4. Thus, then the steering wheel 2 is blocked and therefore can not be rotated.
• the locking member 7 is in a second position except locking or
• FIG. 1 only one latching position 8 is shown, but it can also be provided a plurality of latching positions 8 in the manner of a ring gear on the steering shaft 4 in the steering column 3 to block the rotational movement of the steering shaft 4, so that the locking engagement of the locking member 7 in different Positions of the steering wheel 2 is possible.
• the locking device 1 further has a drive 9 for the movement of the locking member 7 between the two positions. Finally, a housing 10 is still provided for the locking device 1.
• the housing 10 comprises a base 1 1 and a lid, wherein in Fig. 2, the lid is omitted.
• the base 11 is made of durable metal
• the lid may also be made of metal, but it may also be sufficient if the lid is made of thermoplastic material by means of injection molding.
• the drive 9 comprises an electric motor, not shown further, and a drive element 12 for moving the blocking member 7, wherein the blocking member 7 is movably guided in a guide projection 17 in the base 11.
• the drive element 12 is designed as a worm wheel.
• the worm wheel 12 is approximately cylindrical in shape with an upper, first cover surface 29 and a lower, second cover surface 30 and a between the two cover surfaces 29, 30 located lateral surface 31, as closer to Fig. 5 can be seen.
• the Worm wheel 12 has on its circumference, for example on the first cover surface 29, a not shown toothing, with which a worm meshes with the output shaft of the electric motor, so that the worm wheel 12 is rotatable about a rotation axis 18 by means of the electric motor.
• the locking member 7 is articulated on the worm wheel 12, and that engages a pin 14 on the locking member 7 in a on the circumference of the worm wheel 12, namely on the lateral surface 31, located lifting cam 15, as further of Fig. 5 and Fig. 6 to can be found.
• the locking member 7 arranged on the worm wheel 12 by translating the worm wheel 12 by means of the electric motor in the respective direction of rotation translationally in the direction of the axis of rotation 18 from the first to the second position and from the second to the first position, ie between the first and the second position according to the double arrow 16, movable.
• a securing means 13 is provided for the locking member 7.
• Locking means 13 is designed both to cooperate with the locking member 7 in the first position and to cooperate with the locking member 7 in the second position. Namely, the securing means 13 acts on the one hand in the manner of a
• the securing means 13 acts in the manner of a securing device for securing the locking member 7 in the second position against unintentional movement in the first position due to a malfunction, thus improving the safety of the user against hazards.
• receptacles 19, 20 provided in the locking member 7.
• a receptacle 19, 20 is provided for locking the securing means 13 in the respective position of the locking member 7, such that the movement of the locking member 7 is blocked in the respective position by means of the securing means 13.
• Locking means 13 by means of a detent pin 23 (see also Fig. 5) latching into the first receptacle 19 on the locking member 7, when the locking member 7 is located in the first position. Characterized a movement of the locking member 7 is prevented from the first position, whereby the securing means 13 in the manner of a backup for the locking member. 7 to increase the theft protection acts.
• the locking means 13 engages by means of the latching pin 23 latchingly into the second receptacle 20 on the locking member 7, when the locking member 7 is located in the second position. Thereby, a movement of the locking member 7 is prevented from the second position, whereby the
• Locking means 13 acts in the manner of a safety device for the locking member 7 for protection against malfunction. Finally, as can be seen in FIG. 9, this is
• Locking means 13 in a retracted position when the locking member 7 is moved between the first and the second position, so that obstruction of the movement of the locking member 7 is excluded by the locking pin 23.
• the securing means 13 is formed in the manner of a slider.
• the securing means 13 is movably arranged in a guide 22 in the base 1 1. The movement of the securing means 13 is thereby by the
• Locking means 13 limited. As can be seen with reference to FIG. 6, this is
• Secured securing means 13 by means of an elastic element 21, for example by means of a spring, with a force acting in the direction of the receptacle 19, 20 force.
• an elastic element 21 for example by means of a spring
• the securing means 13 and / or the locking member 7 are made of metal, such as zinc die-cast.
• a gate 24 visible in FIG. 4 or FIG. 7 is provided on the drive element 12, namely on the second cover surface 30 (see FIG. 5), wherein the securing means 13 is inserted into the gate by means of a cam 32 24 intervenes.
• the securing means 13 is movable by means of the link 24 with corresponding rotation of the drive element 12 against the spring force caused by the elastic element 21 in the guide 22, so that the locking pin 23 from the receptacle 19, 20 disengages.
• This movement of the securing means 13 is effected by the eccentrically configured, first portion 25 of the link 24, which can be seen in more detail in Fig. 7.
• FIG. 7 As can be further seen with reference to FIG.
• the securing means 13 is released by means of the link 24 with appropriate rotation of the drive member 12 for movement, so that the locking pin 23 due to the spring force caused by the elastic member 21 into the receptacle 19, 20 locks.
• the signal generating means consists of a magnet 27 and a not shown further, cooperating with the magnet 27 corresponding Hall sensor.
• the magnet 27 is in and / or on
• Drive element 12 is arranged, as shown in Fig. 5.
• another sensor can be used, for example, an electrical switch.
• Locking device 1 not only used as a steering wheel lock on the steering column but also on any other functionally relevant component and / or operating unit of the motor vehicle use.
• a component and / or operating unit can be, for example, the transmission shift lever, the selector lever for an automatic transmission, the starter or the like.
• a locking device 1 can also be used at another lock, for example in a door lock for the motor vehicle, for a property or the like.
• Locking device / electric steering lock Steering wheel
• Locking pin on securing means
• second cover surface (of drive element) Outer surface (of drive element): Cam (on securing means): Slot (in securing means): stop

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Lock And Its Accessories (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Related Child Applications (1)

Publications (1)

Family

ID=62196530

Family Applications (1)

Country Status (7)

Cited By (1)

Families Citing this family (3)

Citations (7)

Family Cites Families (13)

• 2018
  • 2018-05-07 DE DE102018003614.7A patent/DE102018003614A1/de not_active Withdrawn
  • 2018-05-08 JP JP2019562347A patent/JP2020519524A/ja active Pending
  • 2018-05-08 WO PCT/EP2018/061798 patent/WO2018206546A1/de not_active Ceased
  • 2018-05-08 CN CN201880031032.4A patent/CN110621553A/zh active Pending
  • 2018-05-08 KR KR1020197036146A patent/KR20200006992A/ko not_active Withdrawn
  • 2018-05-08 EP EP18725435.4A patent/EP3621855B1/de active Active
• 2019
  • 2019-10-31 US US16/669,926 patent/US20200122682A1/en not_active Abandoned

Patent Citations (7)

Also Published As

Similar Documents

Legal Events