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
  • B60R25/04—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 propulsion system, e.g. engine or drive motor
  • B60R25/06—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 propulsion system, e.g. engine or drive motor operating on the vehicle transmission
  • B60R25/066—Locking of hand actuated control actuating means
• • 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
  • B60R25/04—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 propulsion system, e.g. engine or drive motor
  • B60R25/06—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 propulsion system, e.g. engine or drive motor operating on the vehicle transmission
• • 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
  • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
  • F16H61/22—Locking of the control input devices
  • F16H2061/223—Electrical gear shift lock, e.g. locking of lever in park or neutral position by electric means if brake is not applied; Key interlock, i.e. locking the key if lever is not in park position

Definitions

• This invention relates to a device for protecting a motor vehicle against theft, said vehicle having an automatic or manual gearbox.
• the output of the electronic key is connected with an electric valve, acting as a final control member, installed in a high pressure pipe of an oil pump, and connecting it with an overflow, when no voltage is applied to the electric valve, which results in immobilizing the planetary gear units as well as the coupling and brake units, whereas said electric valve is also 5 mounted inside the gearbox housing.
• the subject-matter of a device for protecting a motor vehicle against theft comprising a controlling member in form of an electronic key, recognizing on its input a set memory code from an infrared or radio wave, whereas an output of the electronic key is connected with a final control member in form of an electromagnet, is that the controlling member and a final control member are mounted and closed in a joint body permanently fixed to the gearbox housing, and moreover, the final control member is coupled with an element to be locked in the gearbox.
• a reverse gear slider or the highest forward gear slider is advantageously used as an element to be locked in the gearbox.
• sliders in neutral position are used as an element to be locked in the gearbox.
• Said body is connected to the gearbox housing in the place on it where there is mounted a typical spring supported ball of the selected gear slider, advantageously reverse gear slider or the highest forward gear one.
• a pusher is located between the ball and the locking tip being an extension of the armature of the electromagnet.
• the body is fastened to the gearbox housing by means of bolts, and additionally it is fastened advantageously to the gearbox housing by means of positioning and fixing units.
• Each of the positioning and fixing units comprises a fastening sleeve connected with the body, a hole of said sleeve having a symmetry axis aligned with the symmetry axis of the bolt with the head, being the typical gearbox equipment; whereas in said hole there is mounted a rotary and axially movable link having the sleeve part with radial openings and balls placed in them, and an axial opening for receiving the mandrel having a fixing groove for balls, and moreover, in the body part of the link there is located a socket having its contour fitted to the shape of the head of said bolt.
• the reverse gear wheel is an element to be locked in the gearbox.
• a catch is coupled with the gear rim of that wheel, said catch being the end part of the free arm of the lever mounted swayably on the axle simultaneously biased with the return spring, and moreover said lever is coupled with a driver connected with the armature of the electromagnet.
• fig. 1 illustrates a protecting device in its first embodiment in front view on the typical reverse gear wheel
• fig. 2 the device from fig. 1 in a view according to the arrow U marked in fig. 1
• fig. 3 the device from fig. 1 in a view according to the arrow W marked in fig. 1
• fig. 4 the device from fig. 1 in a cross-section along the axis A-A marked in fig. 2
• fig. 5 the protecting device in its second embodiment viewed from the side of the gearbox housing
• fig. 6 the device from fig.
• fig. 13a a slider in the gear- box in its unlocked status, also in enlarged view
• fig. 14 - a locking arrangement for a key in a car ignition switch when the reverse gear position is not achieved, in a partially sectioned axial view
• fig. 15 illustrates, in a partially sectioned axial view, an alternative embodiment of the locking arrangement for the key in the car ignition switch when the reverse gear position is not achieved.
• a body 5 of the protecting device according to the invention is firmly fixed, e.g. by fastening with bolts having heads to be torn off and/or by gluing, optionally by welding, to a cap 1 for the back part of the gearbox housing, in which the reverse gear wheel 3 is located.
• Said device is provided with a control member in form of an electronic unit 6 controlling an electromagnet 7 as a final control unit.
• An armature 8 of said electromagnet 7, together with a driver 9 fixed in it are coupled with a lever 10 mounted swayably on an axis 1 1 , and effected by a return spring 12, whereas a free end of the lever 10 formed as a catch 13 is pushed by means of the return spring 12 into a rim of the gear wheel 3 when no voltage is applied to the electromagnet 7.
• Operation of the device shown in figs. 1 to 4 consists in that the ignition circuit is switched off after stopping a car and shifting to the reverse gear. Thereby released lever 10 rests by its catch 13 on a rim of a gear wheel 3, causing immobilizing of said gear wheel. It is then impossible to switch off the reverse gear by moving the gear shift lever.
• the device according to the invention is unlocked by switching on the ignition circuit, and in result of that the electronic unit 6 is set in the standby status in which a proper (i.e. accepted by the electronic unit 6) unlock code can be introduced.
• a control signal is transmitted to supply the electromagnet, causing the movement of the lever 10 together with the catch 13, and unlocking the reverse gear wheel 3 in the gearbox, and in result of that the gearbox can be normally operated and a car can be normally driven.
• a proper i.e. accepted by the electronic unit 6
• said device comprises the electronic unit 26 recognizing a control code of the electromagnet 27, the armature of - 6 - which is coupled with the bolt 29 biased with the return spring.
• Locking tip 30 of the bolt 29 cooperates with a pusher 31 of the latch ball 21 supported by the spring 32, whereas, said part of the device comprises a rubber gasket separating the gearbox from the device according to the inven- tion, said device having in addition a closing wall 34, advantageously in a form of a thermal screen insulating thermally the contents of the body 25 from the gearbox.
• Operation of the device in its second embodiment consists in that on stopping a car, setting a gear lever in the reverse gear position, and switching the igmtion circuit off, the bolt 29 together with the armature of the electromagnet 27, having no voltage on it, is shifted forwards together with the locking tip 30 by means of the return spring 28. In result of that, the outward end of the pusher 31 of the ball 21 abuts against the blocking tip 30, causing immobilizing of the reverse gear slider 23.
• the electromagnet 27 is supplied, and the gearbox begins its normal operation.
• a protecting device based on similar operation principles is shown in figs. 8 to 12. It comprises the body 55 connected to the gearbox housing 50 in the place on the latter where there is typically applied a spring supported latch ball 51 fixing the position of the slider 53 for the 5th and reverse gears.
• the body 55 is fastened to the gearbox housing 50 by means of fastening bolts 54 having torn off heads, said bolts passing through the holes 55a in a bottom part 55c of the body 55 of the protecting device according to the invention, said part being strengthened by means of a welded strap 55b.
• the electronic unit 56 is mounted in the body 55, said unit recognizing the control code for the electromagnet 57 the armature of which is coupled with a lock 59.
• the locking tip 60 of the lock 59 cooperates with the pusher 61 of the latch ball 51 supported by the spring 63.
• the pusher 61 is guided in the opemng of the sealing unit 64 mounted - 7 - on the assembling block 55d, to which there is also fastened the electromagnet 57, as shown in fig. 12.
• two additional positioning and fixing units 65 Independently of the use of two fastening bolts 54, it is advantageous to apply two additional positioning and fixing units 65, which fulfill their function thanks to making use of heads 66 of 5 two bolts typically belonging to the gearbox as made in a factory.
• Each of these positioning and fixing units 65 comprises a fixing sleeve 67 fastened by welding to the side surface of the body 55, the hole of said sleeve having a symmetry axis x aligned with the symmetry axis of said bolt with the head 66.
• a link 68 o movable axially and rotary, the sleeve part 69 of which has three radial openings 70 spaced by 120° and designed for receiving balls 71 , and the axial hole of it is designed for receiving the mandrel 72 having a fixing groove 73 for balls 71.
• the body part 74 of the link 68 has a socket 75 of a contour fitted to the shape of the head 66 of the bolt typically belonging 5 to the gearbox, in this case having a hexagonal contour.
• the notch 76 in the sleeve part 69 is designed for causing the angle movement of the linker 68 in order to fit the position of the contour of the socket 75 to the head 66 of the bolt screwed into a hole in the gearbox housing.
• Operation of the protecting device in the third embodiment consists 0 in that, on stopping the car, shifting to the reverse gear and switching the ignition circuit off, the lock 59 together with the armature 58 of the electromagnet 57 with no voltage on it, are pushed out by the return spring supporting said armature, and in result of that the pusher 61 takes the forward position in which the ball 51 causes locking of the slider 53. Thus, 5 in this position the gearbox is locked in reverse gear.
• the electromagnet 57 is supplied and the gear box can operate normally.
• the control of the gearbox may be locked in for- -8- ward gears; especially when acting onto the 5th and reverse gear slider, as it is described above, and when the failure occurs in the electromagnet supply circuit during driving, some difficulties may occur, as in the table below:
• Fig. 13a unlike fig. 13, illustrates the slider in the gearbox in its unlocked status in which the ball pusher is in its upper position raised by the distance "c".
• the lock 106 is introduced in said groove, pushed by a spring 107 of the electromagnet 102. Because typical igmtion switches in motor vehicles are constructed in such a manner that a key can be removed after turning it to the neutral position (the ignition circuit being switched off while turning the key), in an arrangement illustrated in fig. 14 this is possible only when the following signal sequence has been received by the microprocessor circuit controlling the locking arrangement: a) voltage for reversing light bulbs switched on, and b) ignition circuit switched on, and in result of that a coil of the electromagnet 102 receives voltage for a required period of time and it raises the lock 106 from a position in which it penetrates the groove 105, which enables turning the key and removing the same from the ignition switch 101.
• the slide 110 is permanently biased by the return spring 1 1 1 so that it is located in the groove 105 of the drum 103 in the ignition switch 101 , making it impossible to turn it into a position in which a key may be removed from the ignition switch.
• slide 1 10 On shifting to the position of the reverse gear R, slide 1 10 is pulled by means of the pull string 112 by the double-sided lever 1 13, pushed by the gear change lever 114 set in the reverse gear position R, as shown in the drawing.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Lock And Its Accessories (AREA)
• Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
• Control Of Transmission Device (AREA)
• Gear-Shifting Mechanisms (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19937948

Family Applications (1)

Country Status (7)

Cited By (1)

Families Citing this family (1)

Family Cites Families (5)

• 1998
  • 1998-01-30 AU AU56834/98A patent/AU5683498A/en not_active Abandoned
  • 1998-01-30 KR KR1019997008948A patent/KR100364088B1/ko not_active Expired - Fee Related
  • 1998-01-30 WO PCT/PL1998/000004 patent/WO1999038733A1/en not_active Ceased
  • 1998-01-30 UA UA99095310A patent/UA49057C2/uk unknown
  • 1998-01-30 IL IL13213698A patent/IL132136A0/xx unknown
  • 1998-01-30 EP EP98901139A patent/EP0971831A1/de not_active Withdrawn
• 1999
  • 1999-09-23 GB GBGB9922590.6A patent/GB9922590D0/en not_active Ceased

Non-Patent Citations (1)

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