RU2209147C2 - Steering gear locking device - Google Patents

Abstract

FIELD: automotive industry; antitheft devices. SUBSTANCE: invention is designed for locking vehicle steering gear to prevent its unauthorized use or theft. Proposed device has welded support structure containing base, frame and shackle. Lock with hole coaxial with groove in other post of frame and arranged opposite to dummy port in steering wheel flange is welded to post of frame. Locking rod is fitted in said holes to set lock in antitheft position, by closing access to nut holding steering wheel on steering shaft. Invention provides locking of steering wheel from turning relative to vehicle body by means of locking pin inserted into lock hole, dummy port of steering wheel flange and groove in frame post and closing by locking rod access to nut holding steering wheel on steering shaft when lock is in antitheft position. EFFECT: prevention of theft. 5 cl, 5 dwg

Description

 The claimed invention relates to the automotive industry and is a device for unlocking and locking the steering wheel of a vehicle, preventing unauthorized use or theft.

 Known anti-theft device for a car containing a node that locks the steering gear relative to the car body, and a lock that locks this node while stationary (see RF patent 2094259, IPC B 60 R 25/02, application 08.02.96, publ. 27.10. 97).

 A disadvantage of the known device is the inconvenience in operation, because you have to lose quite a different time for locking and unlocking the lock installed in the engine compartment.

 The known steering lock device mounted on the steering wheel comprises a support structure in the form of a rod with a fork at one end and chamfers at the other, as well as a lever with a through hole along the axis and with a hook, a device for fixing the rod in the hole of the lever. The locking device is equipped with a lock with a locking element (see RF patent 2047514, IPC B 60 R 25/02 "Anti-theft device for self-propelled vehicles", declared. 05.14.93, publ. 10.11.95).

 In the known device overcome the disadvantage inherent in the above analogue. Namely: the operation to lock the car is carried out in the cabin, i.e. convenience of operation is provided.

 However, an outsider, having entered the cabin, can “bite” the steering wheel and remove the lock. Due to the above, the known device is unreliable.

 The applicant believes that the device according to the patent of the Russian Federation 2047514 is the closest in essential differences and the achieved effect to the claimed invention, therefore, is selected as a prototype.

 The task of the invention is to increase reliability while maintaining ease of use.

 The technical result that allows us to solve the problem is to fix the steering wheel from turning relative to the car body with a locking rod inserted into the lock hole, the technological window of the steering wheel flange and a groove in the frame rack, and closing the access rod to the nut securing the steering wheel to the steering shaft with a locking rod when the lock is in anti-theft condition.

 This task is achieved by the fact that in the known device for locking the steering system, comprising a support structure and a lock with a locking element, according to the invention, the support structure is a base to which a bracket is rigidly fixed at right angles at one end to cover the steering shaft cover and at the other - a frame for covering the steering wheel flange, wherein the supporting structure is fixed to the steering shaft cover by means of a clamp and a fixing bracket, at the threaded ends of which are passed through the opening In the base, fastening nuts are put on, and a lock with a hole is made rigidly attached to one of the pillars of the frame, made coaxially with a groove on the second pillar of the frame opposite the technological window in the steering wheel flange for installing a locking element in them in the form of a locking rod and for fixing the steering shaft from turning relative to the car body.

 On the basis of the supporting structure included in the steering blocking device, ribs located under the clamp and the fixing bracket, on which the steering shaft cover rests, can be made.

 In the rack of the frame of the steering blocking device, a window for installing a lock may be provided.

 At the base of the supporting structure included in the steering blocking device, a process window may be made for fastening the steering column cover.

 The steering blocking device can be made so that the bracket and clamp are located on opposite sides of the ignition switch, and the clamp and retaining bracket are installed on opposite sides of the bracket of the steering lever assembly and the windshield washer control.

 Studies on patent and scientific and technical sources of information indicate that the proposed steering lock device is unknown and does not follow explicitly from the studied prior art, and therefore meets the criteria of "novelty" and "inventive step".

 The inventive device can be manufactured in industrial production of automobiles or in specialized centers for the repair of automobiles using standard domestic or imported equipment, known materials and technologies.

 Thus, the proposed device meets the criterion of "industrial applicability".

 The proposed set of essential features informs the inventive steering lock device of new properties that make it possible to solve the problem.

 The supporting structure with a lock welded to it, mounted on the steering wheel cover and steering wheel flange in conditions of vehicle assembly, requires the dismantling of the steering unit to remove it. A lot of time is spent on this operation.

 Therefore, while the vehicle is parked, an unauthorized person will not have time to dismantle in order to disable the lock.

 In addition, the dismantling of the supporting structure with the lock when the locking rod is inserted into it is generally impossible. The rod passes through the technological window in the steering wheel flange, blocking access to the nut fastening it to the steering shaft.

 For dismantling, it is necessary to remove the locking rod first. This operation can only be performed by the owner of the car who owns the opening code.

The proposed device for blocking the steering is illustrated by drawings, which are presented on:
Figure 1 - the claimed device, General view;
Figure 2 is a view A of the inventive device;
Figure 3 is a top view of the inventive device;
Figure 4 is a side view of the frame;
Figure 5 - the inventive device, a fragment of a General view with a steering wheel.

 The proposed steering blocking device comprises a welded support structure (not indicated) comprising a base 1, a frame 2 and a bracket 3. A frame 2 and a bracket 3 are welded at the ends of the base at right angles and, when installed, cover the flange 4 of the steering wheel 5 and the steering casing 6 shaft (not marked).

 On the left rack 7 of frame 2 (on the left side of the car), a lock 8 with a hole 9 for passing the blocking rod 10 is installed in a specially made window (not shown). The lock 8 is welded to the rack 7 to obtain a rigid connection.

 In the right strut 11 of frame 2, a groove 12 is made coaxially with the hole 9 in the lock 8. And the hole 9 and the groove 12 are located opposite the technological window (not indicated) in the flange 4 of the steering wheel 5. When the lock 8 is in the anti-theft state, the locking rod 10, passing through the hole 9, the technological window in the flange 4, extends beyond the groove 12. At the same time, the locking rod 10 blocks access to the nut 13, which secures the steering wheel 5 to the steering shaft.

 For strong holding on the casing 6, the supporting structure is equipped with a clamp 14 and a fixing bracket 15. Their threaded ends (not indicated) pass respectively through the holes 16 and 17 in the base 1 and are attached to it with fixing nuts 18 and 19, respectively.

 Under the clamp 14 and the fixing bracket 15 on the base 1 there are made ribs 20 of the same size, which are a support for the casing 6 of the steering shaft.

 To access the casing (not indicated) of the steering column (not indicated) in the base 1, a technological window (not indicated) is made.

 The distance from the bracket 3 to the clamp 14 is determined by the dimensions of the ignition lock (not indicated), i.e. they are located on its different sides.

 The distance between the clamp 14 and the retaining bracket 15 is determined by the dimensions of the bracket (not shown) of the node (not shown) of the shift control levers and the windshield washer control.

 In the transport position of the lock (when the car is moving), the locking rod 10 is held by a holder (not shown), fixed in a place convenient for use by the driver.

 The proposed steering lock device is used as follows.

 The device is installed when removed: facing the steering column, steering wheel 5, the ignition switch, the bracket bracket of the gearshift lever and the windshield washer control.

 First, a welded support structure comprising a base 1, a frame 2 with a lock 8 and a bracket 3, as well as an arm of the lever assembly for switching the turns and controlling the windshield washer are mounted on the steering shaft casing 6. The locking bracket 15 is put on the casing 6, passing its threaded ends into the holes 17. Tighten the locking bracket 15 with the fixing nuts 19.

 Then install the ignition and put on the casing 6, the clamp 14, passing its threaded ends into the holes 16. Tighten the clamp 14 with the fixing nuts 18.

 After that, the steering wheel 5 is mounted on the steering shaft and fixed with a nut 13.

 In the transport position of the vehicle, lock 8 is not used.

 If necessary, to park the car, the driver enters the locking rod 10 into the hole 9, the technological window in the flange 4 of the steering wheel, the groove 12 of the right strut 11 of the frame 2 and push it all the way.

 Lock 8 is in the anti-theft position. The steering shaft receives a fixation from rotation relative to the car body.

The inventive steering lock device has several advantages:
- increased reliability against theft of a car parking;
- ease of use;
- simplicity of design;
- the use of a lock with a locking rod, used for installation on gearshift levers gearboxes.

Claims (5)

 1. A steering lock device comprising a support structure and a lock with a locking element, characterized in that the support structure is a base to which a bracket is rigidly fastened at right angles at one end to cover the steering shaft cover, and a cover frame at the other the steering wheel flange, and the supporting structure is fixed to the steering shaft cover by means of a clamp and a fixing bracket, on the threaded ends of which, passed through the holes in the base, are fastened with nuts, one of the frame uprights rigidly attached locking hole formed coaxially with the bore in the second support frame opposite the process window in a steering wheel flange for loading the locking member in the form of the locking rod and for fixing the steering shaft against rotation relative to the vehicle body.  2. The device according to claim 1, characterized in that on the basis of the supporting structure there are ribs located under the clamp and the fixing bracket, on which the steering shaft cover rests.  3. The device according to claim 1, characterized in that a window for installing the lock is made in the frame rack.  4. The device according to claim 1, characterized in that at the base of the supporting structure there is a technological window for fastening the steering column cover.  5. The device according to claim 1, characterized in that the bracket and clamp are located on opposite sides of the ignition switch, and the clamp and retaining bracket are installed on opposite sides of the bracket of the steering lever assembly and the windshield washer control.

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