KR100833383B1 - Vehicle steering lock - Google Patents

Abstract

A steering lock device of a vehicle is provided to adjust the operating distance of a lock bar precisely by moving backward and forward the lock bar to a steering shaft by the operating power of a motor. A steering lock device of a vehicle comprises a case having a lock hole, a lock bar(70), a steering shaft, moving teeth(76), a first spur gear(54), and a second spur gear(74). The lock bar placed inside the case is penetrated through the lock hole. The steering shaft separated from the case enables interference with the lock module in the forward movement of the lock bar. The second spur gear is relatively moved with the moving teeth by forming teeth engaged with the moving teeth at the inner periphery and teeth of a pinion gear at the outer periphery. The first spur gear engaged with the outer periphery of the second spur gear is operated by the rotary force of a motor(40). An elastic member(80) is placed between the case and the second spur gear.

Description

Apparatus for locking steering of vehicle

1 is a perspective view showing a steering lock apparatus of a vehicle according to an embodiment of the present invention,

2 is a perspective view showing the inside of the steering lock device shown in FIG.

3 is a perspective view of the rear side of the inside of the steering lock device shown in FIG.

Figure 4 is an exploded perspective view of the steering lock device shown in Figure 2,

FIG. 5 is a partially enlarged perspective view of the steering lock apparatus shown in FIG. 2;

6 is a perspective view showing a lower portion of the steering lock device shown in FIG.

7 is an exemplary view illustrating the operation of a steering lock apparatus according to the present invention.

<Simple description of the code for the main part of the drawing>

10 case 20 printed circuit board

30 housing 40 motor

43: motor shaft 50: worm gear

52: worm wheel gear 53: worm wheel shaft

54: first spur gear 70: rock bar

73: rocking shaft 74: second spur gear

75: lock stopper 76: moving tooth type

80: elastic member 90: steering shaft

100: steering lock device

The present invention relates to a steering lock apparatus for a vehicle, and more particularly, to a steering lock apparatus for a vehicle for moving the lock bar by a motor so as to generate an interlock with the steering shaft.

The vehicle is provided with a steering lock device that detects when the driver stops driving the vehicle and locks the steering of the vehicle.

An object of the present invention is to provide a steering lock apparatus for a vehicle that generates mutual interference with the steering shaft by the electric power of the motor when the vehicle is stopped.

The present invention provides a case in which a lock hole is formed, a lock bar disposed inside the case and penetrating the lock hole, spaced apart from the case, and a steering shaft interfering with the lock module when the lock bar moves forward, A second spur gear that is fixed to the lock bar, a tooth tooth of a pinion gear is formed on an outer circumferential side, and a tooth tooth that is engaged with the movable tooth tooth on an inner circumferential side and relatively moved with the movable tooth mold, and the second spur Provided is a steering lock apparatus for a vehicle that is engaged on the outer circumferential side of the gear and includes a first spur gear operated by a rotational force of a motor.

Herein, an elastic member may be disposed between the case and the second spur gear.

The apparatus may further include a printed circuit board disposed inside the case and configured to include a controller for operating the motor. The magnet may be disposed on the lock bar, and the magnetic sensing sensor may sense the magnet on the printed circuit board. The magnetic sensor includes a first magnetic sensor and a second magnetic sensor, wherein the first magnetic sensor senses a maximum forward distance of the lock bar, and the second magnetic sensor senses a maximum backward movement of the lock bar. It may be arranged to sense the distance.

And a worm gear rotated by the motor, a worm wheel gear meshed with the worm gear, and a worm wheel shaft on which the worm wheel gear is disposed. The first spur gear may be disposed on the worm wheel shaft.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a steering lock device of a vehicle according to an embodiment of the present invention, Figure 2 is a perspective view showing the inside of the steering lock device shown in Figure 1, Figure 3 is a steering shown in Figure 1 4 is an exploded perspective view of the steering lock device shown in FIG. 2, FIG. 5 is a partially enlarged perspective view of the steering lock device shown in FIG. 2, and FIG. An illustration of the operation of the steering lock device according to the invention.

1 to 6, the steering lock apparatus 100 of the vehicle according to the present exemplary embodiment includes a case 10 and a lock module disposed inside the case 10.

The case 10 includes a low case 12 disposed on a steering shaft (90 of FIG. 6) side of the vehicle, and an upper case 14 coupled to the low case 12, and the upper case 14 ) Is arranged with a connector 16 for transmitting electrical signals.

Here, the lock case 13 is formed in the row case 12.

The lock module is disposed in the case 10, and is connected to the connector 16, the printed circuit board 20, the control unit (not shown) to transmit and receive electrical signals, and the printed circuit A housing 30 on which the substrate 20 is seated, a motor 40 disposed on the housing 30 and operated by the controller, and a worm gear 50 disposed on the motor shaft 43 of the motor 40. ), A worm wheel gear 52 disposed in a direction orthogonal to the worm gear 50, a first spur gear 54 disposed on the worm wheel shaft 53 of the worm wheel gear 52, and the lower case ( A lock bar 70 arranged to penetrate the lock hole 13 of the 12, a lock stopper 75 to which the lock bar 70 is fixed and disposed in the lower case 12, and the lock stopper 75; The lock movement shaft 73 formed on the lock movement shaft 73, the movement tooth mold 76 disposed on the lock movement shaft 73, and the movement tooth mold 76 engage with and interact with the first spur gear 54; A first and a second spur gear 74 and the case 10 and the second spur gear elastic member 80 for supporting the second spur gear (74) between (74).

A controller (not shown) for controlling the steering lock apparatus 100 is disposed on the printed circuit board 20, is fixed to the housing 30, and the electronic control unit (ECU) of the vehicle through the connector 16. , Not shown).

The housing 30 is fixed inside the case 10 and the motor 40 is fixed and supported.

The worm gear 50 is disposed and rotated on the motor shaft 43 of the motor 40, and the worm gear 50 is meshed with the worm wheel gear 52 disposed on the worm wheel shaft 53 to engage the worm wheel gear ( 52).

Here, the motor shaft 43 and the worm wheel shaft 53 are arranged orthogonal to the operating principle of the worm gear / worm wheel gear 50 and 52.

The first spur gear 54 is disposed on the worm wheel shaft 53, and the first spur gear 54 is fixed to the worm wheel shaft 53 and rotates in the circumferential direction of the worm wheel shaft 53. do.

The second spur gear 74 is formed with a tooth that is engaged with the first spur gear 54 on the outer circumferential surface, and a tooth that is engaged with the moving tooth 76 is formed on the inner circumferential surface.

Thus, the second spur gear 74 that has received the rotational force by the first spur gear 54 transmits the operating force of the first spur gear 54 to the moving tooth 76 located on the inner circumferential side.

Here, the engagement of the movable tooth 76 and the second spur gear 74 is formed in a tooth shape that can transmit power.

In addition, the lock movement shaft 73 is moved forward or backward according to the movement distance of the moving tooth type 76, the lock stopper 75 and the lock bar 70, which is coupled to the lock movement shaft 73 is also moved. On the other hand, the lock bar 70, the lock stopper 75 and the lock moving shaft 73 is formed of each member, otherwise it may be formed integrally.

In addition, a sensing means is disposed inside the case 10 to sense the movement distance of the lock stopper 75. In the present embodiment, a magnet 77 disposed on the lock stopper 75 and the printed circuit are provided. The magnetic sensor 27 is disposed on the substrate 20 to detect the magnet 77.

Here, the first and second magnetic sensing sensors 27a and 27b are disposed on the printed circuit board 20 to detect the maximum forward distance and the maximum backward distance of the lock bar 70.

On the other hand, on the outer circumferential surface of the steering shaft 90 a plurality of locking grooves 92 are formed along the outer circumferential surface and a plurality of locking grooves 92 are formed along the outer circumferential surface, and the lock bar 70 is inserted into the locking groove 92. By blocking the steering shaft 90 is rotated more than a predetermined angle.

And although not shown, a plurality of engaging mountains 94 for forming the engaging grooves 92 may be disposed on the outer circumferential surface of the steering shaft 90, and the engaging bars 94 are inclined to form the lock bar ( When the 70 is moved to the position of the locking mountain 70, the end of the lock bar 70 may be moved to the locking groove 92.

On the other hand, since the motor shaft 43 and the worm wheel shaft 53 of this embodiment are arranged orthogonal to each other, and the worm wheel shaft 53 and the lock movement shaft 73 are arranged in parallel with each other, the first and second spur gears (54) and 74 can be connected, and the elastic member 80 is disposed on the lock movement shaft 73 to prevent the lock movement shaft 73 from being pushed when the lock movement shaft 73 is advanced. There is.

In addition, the identification number 95 is an elastic member, and supports the lock movement shaft 73 to press the lock movement shaft 73 toward the steering shaft 90.

Hereinafter, an operation process of the steering lock apparatus of the vehicle according to the present invention will be described in more detail with reference to FIGS. 3 to 6.

First, a process in which the steering lock device 100 "locks" the steering shaft 90 will be described.

When the driver of the vehicle removes the ignition key from the vehicle's key box (not shown) or turns off the vehicle by using a remote controller (not shown), the electronic control unit of the vehicle sends a signal to the controller of the printed circuit board 20 to control the steering. Operate the lock device 100.

Here, the controller, which receives a signal from the electronic control unit, operates the motor 40, rotates the motor shaft 43 by the operation of the motor 40, and a worm gear disposed on the motor shaft 43 ( 50) is rotated.

In addition, while the worm wheel gear 52 engaged with the worm gear 50 is rotated, the first spur gear 54 fixed to the worm wheel shaft 53 is rotated, and the second spur gear 54 is engaged with the first spur gear 54. The spur gear 74 is rotated.

Thereafter, when the second spur gear 74 is rotated, the moving tooth 76 engaged with the inner circumferential surface side of the second spur gear 74 is rotated, and the moving tooth 76 and the second spur gear ( By means of the interaction of 74, the lock moving shaft 73 fixed to the moving tooth 76 is moved toward the steering shaft 90 side.

When the magnet 77 disposed on the lock stopper 75 is moved to the position of the first magnetic sensor 27a, the controller detects the signal of the first magnetic sensor 27a and the motor 40. ) Is stopped.

Here, the lock bar 70 is moved toward the steering shaft 90 in accordance with the advance of the lock moving shaft 73 is inserted into the locking groove 92 formed on the outer circumferential surface of the steering shaft (90).

On the other hand, the elastic member 80 disposed between the second spur gear 74 and the case 10 is to press the second spur gear 74 toward the lock bar 70 side and the moving tooth form 76 and The second spur gear 74 is prevented from being pushed during the relative movement of the second spur gear 74.

That is, when the movable tooth 76 and the second spur gear 74 are moved relative to each other, the teeth of the movable tooth 76 and the second spur gear 74 cause mutual interference and the mutual interference. As a result, the second spur gear 74 receives a force to move in a direction opposite to the movement direction of the rock bar 70, and the elastic member 80 supports the second spur gear 74 to support the lock movement shaft 73. ) To move forward smoothly.

On the other hand, when an external force is applied to the lock bar 70 in the axial direction of the lock movement shaft 73, the lock movement shaft 73 can be moved while compressing the elastic members (80, 95).

Next, when the lock bar 70 of the lock module is moved and positioned on the hooked portion 94 of the steering shaft 90, the "locking" process of the steering shaft 90 will be described.

When the lock bar 70 is moved to the steering shaft 90 by the above process, the lock bar 70 is located in the locking groove 92 or the locking mountain 94.

In this case, when the lock bar 70 is located on the engaging mountain 94, the interlocking does not occur between the steering shaft 90 and the lock bar 70, but by the elastic members 80 and 95. It is supported.

At this time, when the driver rotates the handle to rotate the steering shaft 90, the locking groove 92 is positioned at the position of the lock bar 70, the lock movement shaft 53 / second spur gear 52 ), The lock bar / lock moving shaft / lock stopper / second spur gear is moved to the locking groove 92 by the elastic members 80 and 95 supporting the.

As such, the lock module according to the present embodiment may generate a lock between the lock bar 70 and the steering shaft 90 by the elastic members 80 and 95 even when the lock bar 70 is in an incorrect position. have.

Next, the backward process of the lock module proceeds in the reverse order of the advance process, so a detailed description thereof will be omitted.

Hereinafter, the steering lock apparatus for a vehicle according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited to the embodiments and drawings described herein, and various combinations within the scope of the technical idea of the present invention are protected. The application is possible by those skilled in the art through.

The steering lock apparatus of the vehicle according to the present invention has an effect of more precisely adjusting the operating distance of the lock bar because the lock bar is forwarded / reversed to the steering shaft by receiving the operating force of the motor by the meshing of the gears.

In addition, since the second spur gear for supporting the rock bar is supported by the elastic member, the steering lock apparatus of the vehicle according to the present invention prevents the second spur gear from moving when interacting with the moving tooth type disposed on the rock bar. In addition, the second spur gear is prevented from being pushed to smoothly interlock with the rock bar.

In addition, the steering lock device of the vehicle according to the present invention, even if the lock bar is located on the hook mount of the steering shaft, when the steering shaft is rotated, the lock bar is inserted into the locking groove of the steering shaft by the elastic member to rotate the steering shaft. It has the effect of "locking".

Claims (5)

A case formed with a lock hole, A lock bar disposed inside the case and disposed to penetrate the lock hole; A steering shaft spaced apart from the case and interfering with the lock module when the lock bar moves forwards; A moving tooth type fixed to the lock bar; A second spur gear that is formed on the outer circumferential side of the pinion gear and a tooth on the inner circumferential side is engaged with the movable tooth mold and is relatively moved with the movable tooth mold; And a first spur gear engaged with the outer circumferential side of the second spur gear and operated by the rotational force of the motor. The method according to claim 1, A steering lock apparatus for a vehicle, wherein an elastic member is disposed between the case and the second spur gear. The method according to claim 1, A printed circuit board disposed inside the case and including a controller configured to operate the motor, A magnet is disposed on the lock bar, and a magnetic sensing sensor for sensing the magnet is disposed on the printed circuit board. The method according to claim 3, The magnetic sensor comprises a first, second magnetic sensor, The first magnetic sensor detects the maximum forward distance of the lock bar, the second magnetic sensor is arranged to detect the maximum reverse distance of the lock bar steering lock device of the vehicle. The method according to claim 1, A worm gear rotated by the motor, A worm wheel gear meshed with the worm gear; A worm wheel shaft on which the worm wheel gear is disposed; And the first spur gear is disposed on the worm wheel shaft.

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