JPH0732973A - Car handle lock device - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a highly reliable handle lock device having a simple structure in which a locked state is not released even when an external force is applied. [Structure] A lock structure (21) is provided on a body 8, and a lock member (53) is moved by operating a key (26) to engage and disengage with a recess (16) of a steering shaft (13) to lock a state And switch to the operating state. Further, in the locked state, the piston (57) of the safety device (54-64) is connected to the base (5) on the lock member (53).
4) Since it is configured to be engaged with and disengaged from the inside, the bolt (53) engages with the base portion (54) when the device housing (8) is deformed or damaged by external force, and the steering shaft (13) ) Is maintained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle steering wheel lock device, and more particularly to a vehicle steering wheel lock device including a device body incorporating a key-actuated locking device.

[0002]

2. Description of the Related Art Theft of passenger cars has become a social problem in recent years as the number of vehicles running on the road increases. Therefore, a modern passenger car has a structure in which the electric system and the key for controlling the starting of the engine simultaneously lock the steering wheel. However, such conventional handle locking devices have the disadvantage that they can be released by various means. For example, it was possible to release the locked state by applying a strong external force to the handle lock device. Against such attempts, even a slightly sturdier construction of the conventional handle locking device did not provide effective protection.

[0003]

One example of a conventional handle locking device is one in which the locking member is controlled by a key actuated shaft and is moved to the steering shaft open position by a safety element that moves parallel to the steering shaft. There was one that was locked. The device of this example also has a holding element for holding the lock member in the locked position, and has a structure in which the holding function is activated for each operation by the spring acting on the safety element. However, this type of locking device tends to be complicated in design, and lacks sufficient reliability to counter the unlocked state by an external force.

Accordingly, one object of the present invention is to provide a handle lock device having a simple structure and high reliability, which is not easily released even if an attempt is made to release the locked state by an external force. Is.

[0005]

According to a first aspect of the present invention, there is provided a vehicle handle lock device having a device housing (8-11) for housing a lock structure (21) operated by a key (26) of the vehicle. The lock structure (21) has the key (2
Steering shaft (13) when 6) is removed
Is a structure for controlling a lock member (53) that brings the device into a locked state, and the lock member (53) moves on the member (11) of the device housing (8-11) adjacent to the shaft (13). The member (11) automatically detects the distortion or damage of the device housing (8-11) or the pulling out of the lock structure (21) and automatically locks the lock member (53) with the steering shaft. It is characterized in that the safety device (54-64) for locking the position is housed.

The lock member (53) of the second aspect of the invention is
Moved into engagement with the recess (16) in relation to the shaft (13), the safety device (54-64)
When the spring (6) is engaged with the inside of the recess (16).
0) by the base part (54) on the locking member (53)
It is characterized by having a spring element (56) which is pushed in.

The spring element (56) of the third aspect of the invention is vertically locked by a locking element (63) controlled by the locking structure (21) against the action of the spring (60). There is a feature in that.

The member (11) according to the fourth aspect of the present invention is a rigid body and is designed to withstand external strain or damage, and the locking element is a rigid body (1).
1) consists of a pin (63) that slides in the upper base (64), the locking structure (21) being the device housing (8).
It is characterized in that it is housed in the hollow member (8) of -11).

A rigid member according to a fifth aspect of the present invention comprises a metal or alloy block (11), and the hollow member (8).
Is characterized by being made of a plastic material.

The spring element (56) of the invention of claim 6 has a piston (57) which slides in a guide (58) on said rigid member (11) perpendicular to said pin (63), The spring element (56) is further characterized in that it provides a cam surface (62) acting on the pin (63).

The cam surface of the invention of claim 7 is a conical surface (62) of the head member (59) of the spring element (56).
And is characterized in that the head member (59) further has a flat surface acted by the spring (60).

The lock member (53) according to the invention of claim 8 is
A slide member (39) that is compliantly moved to engage the lock member (53) in the recess (16) and is reacted by a cam (33) rotated by the key (26). And the locking element (6
3) is characterized in that it is locked vertically by the surface (34) of the cam (33).

The lock member (53) and the slide member (39) according to the invention of claim 9 are the lock structure (2).
Traveling substantially perpendicular to the axis of 1), said surface (3
4) has a cylindrical shape, and is characterized in that it extends to a member having a predetermined corner of the cam (33).

The cam (33) of the tenth aspect of the invention moves axially to the first position at the same time when the key (26) is pulled out, and the axial dimension of the cam (33) is the first size. Is engaged with the pin (63) at the position
It is characterized in that it is dimensioned to open the pin (63) when pushed to the position.

The shaft (13) of the invention of claim 11 is
A member (20) for protecting the device (54-64)
It is characterized in that it rotates within a sleeve (10) connected to the device housing (8, 11) by a bracket (14) having a.

[0016]

In the vehicle handle lock device of the present invention, when the key (26) is inserted into the lock structure (21) and is rotated, the lock member (53) causes the steering shaft (1) to move.
The steering shaft (13) can be rotated by being pulled out from the recess (16) of 3). When the key (26) is removed from the lock structure (21), the lock member (53) locks the steering shaft (13) in the recess (16) of the steering shaft (13) and the safety device ( The piston (57) of 54-64) is pushed into the base (54) on the locking member (53), holding the locking member (53) immovable. When the device housing (8-11) is distorted or damaged, or the lock structure (21) is pulled out, the safety device (5
4-64) detects this and automatically locks the lock member (53) at the steering shaft lock position.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The vehicle steering wheel lock device 5 shown in FIG. 1 includes a well-known electric system switch block 6. The body 8 as a device housing is molded of a plastic material, and the hollow portion formed therein, that is, the first compartment 7
A switch block 6 is housed inside. Further, the body 8 is provided with two flanges 9, and the block 11 is housed inside the flanges 9. This block 11 is made of metal, and is preferably made of a metal having excellent durability against distortion and breakage. Specifically, the product name is “Zama”, and the strength is It is desirable that the alloy is also lightweight.

The bracket 14 holds the sleeve 10 therein, and the column, that is, the steering shaft 13 is rotatably fitted in the sleeve 10.
The block 11 has a cylindrical base portion 12, and the base portion 12 is circumscribed on the sleeve 10 and attached to the bracket 14. Furthermore, the two flanges 20 of the bracket 14 engage with the flange 9 of the body 8. A prism type (polygonal) guide 15 is formed on the block 11. The guide 15 communicates with the opening 25 in the sleeve 10, and at least one recess 16 having the same width as the guide 15 is formed at a position corresponding to the opening 15 in the radial direction of the steering shaft 13.

The body 8 also has a second substantially cylindrical chamber 17 which is separated from the chamber 7 by a flange 18 having a central hole 19 and is projecting axially. The lock structure 21 with the associated combination cylinder 22 is housed in the compartment 17. The lock structure 21 includes a flange 23 in the base 24 having a key insertion path for inserting the key 26 (FIG. 3).

The lock structure 21 moves in the axial direction while rotating with respect to the combination cylinder 22, and further, by the joint body 28, a disk 31 having a cylindrical member 32 and a cam member 33 in the axial direction. It comprises a shaft 27 connected to a shaft 29 arranged in one piece.
The overhanging member of the cam member 33 provides a member having a cylindrical surface 34 having the same diameter as the cylindrical member 32,
The detailed operation will be described later.

The remaining portion of the cam member 33 is a member 36.
(FIG. 4) and a cylindrical member 37 having a diameter smaller than that of the cylindrical surface 34. A prism-shaped radial opening 40 is formed in the body 8, and the block 11 is formed correspondingly.
An opening 41 is formed inside, and a slide member 39 slides inside the opening 40 and the opening 41. Further, the projection member 3 having a trapezoidal cross section is provided at the lower end of the slide member 39.
8 is projected.

The slide member 39 provides a passage opening 42 for the extension 43 (FIG. 1) of the shaft 29. The extension 43 of the shaft 29 is engaged in the central hole 19 and is connected to the prismatic end 44 to connect the switch 6
To start. As shown in FIG. 1, the prismatic end 44
The pressure spring 45 acting on the shaft urges the extension portion 43 and the shaft 29 integrated with the right disk 31 and the joined body 28 in the right direction.

The slide member 39 is provided with two lateral projection members 46 (FIG. 2). The projecting member 46 has a base portion 47 on both sides of the opening 40 in the body 8.
As shown in FIG. 2, each pressure spring 48 biases the block 11 toward the shoulder member 49, thereby holding the slide member 39 vertically. The slide member 39 is provided with a bolt 53 having a prism-shaped cross section. It is designed to engage the guide 15 of the block 11 and the recess 16 of the steering shaft 13 and further provides a protruding member 51 which engages inside the recess 52 in the locking member 53, The body lock member 53 and the slide member 39 are integrally lowered to a predetermined position.

The lock structure 21 is a safety device 54-6.
4 is offered. In detail, the bolt 53 provides a recess 54, which corresponds to a cylindrical hole 55 in the block 11 when the bolt 53 engages inside the recess 16, as shown in FIG. The cylindrical hole 55 has a cylindrical base 58.
It houses a slide spring element 56 which actuates a piston 57 (FIG. 5) which slides inside, and a pressure spring 60 which is located between the flat surface of the head member 59 and the washer 61 and actuates the head member 59. The head member 59 further provides a conical surface 62 which slides inside a hole 64 perpendicular to the cylindrical hole 55 and acts with a locking element consisting of a pin 63 which moves radially with respect to the disc 31. As clearly shown in FIG. 1, the bracket 14
One of the plurality of flanges 20 of the safety device 54-64
To prevent external influences.

The handle lock device of the present invention having the above-described structure is operated as follows. As shown in FIG. 3, when the key 26 is inserted into the lock structure 21 and rotated to the drive position, the slide member 39 is held by the member 37 of the cam member 33 of the disk 31 at the position of FIG. Since the member 36 of the member 33 pushes down the protruding member 38, the slide member 39 descends, the bolt 53 is released from the recess 16, and the steering shaft 1
3 can rotate freely. Cylindrical surface 3 of cam member 33
4 engages the pin 63 with the conical surface 62 of the head member 59 (FIG. 5), with the result that the spring 60 is deactivated.

When the key 26 is rotated to the stop position (FIG. 3), the shaft 29 of the locking structure 21 rotates with the disc 31 in the counterclockwise direction with respect to the position of FIG.
The member 36 of the cam member 33 of the disk 31 is the protrusion member 38.
And the slide member 39 is raised together with the bolt 53 by the means of the spring 48, the bolt 53 engages with the recess 16, locks the steering shaft 13 as shown in FIG. To match.

When the key 26 is removed, the spring 45 moves the extension portion 43 to the right together with the shaft 29 and the disc 31, and the members 36 and 37 open the projecting member 38.
The surface 34 of the member 33 remains engaged with the pin 63, as shown in FIG. In order to release the steering shaft 13 and the bolt 53, the key 26 must be reinserted into the locking structure 21 to move the disc 31 to the left so as to exert pressure on the spring 45.

When the key 26 is reinserted into the lock structure 21 and rotated clockwise, the member 3 of the cam member 33 is rotated.
6 engages with the projection member 38 and re-acts on the slide member 39, the slide member 39 moves rearward together with the bolt 53, opens the steering shaft 13, and further, the end portion 44 of the extension portion 43 is on the instrument panel. The switch 6 is activated so that it lights up. With this position as a reference, the key 26 is further rotated to start the engine and then return to the drive position as shown in FIGS.

As shown in FIG. 6, after the key 26 is pulled out from the lock structure 21 as shown in FIG.
When the lock structure 21 is damaged by an external force, the entire lock structure 21 is locked by the shafts 27 and 29, the extension 43 and the disk 3.
Moving to the right with 1, the surface 34 of the cam member 33 releases the pin 63 (FIGS. 6 and 7).

As a result, the conical surface 62 of the head member 59.
Moves the pin 63 in the axial direction of the disc 31 via the spring 60, the piston 57 engages with the recess 54, prevents the slide member 39 from re-acting, and further prevents the steering shaft 13 from being opened. Block. Furthermore, even if the lock structure 21 is removed together with the disc 31 and the pin 63 is pulled out from the hole 64, the bolt 53 is not pulled out from the piston 57 and the handle locking device as a whole can be released. I can't reach it.

The advantages of the handle locking device according to the present invention will be apparent from the above description. In particular, the handle locking device is very simple but effective
The feature is that the lock state of the handle lock device cannot be released by any external force or external operation.

Those skilled in the art will be able to make improvements to the handle locking device of the present invention with reference to the description herein without departing from the spirit of the present invention. . For example, the guide 15 could have an inclined shape with respect to the steering shaft 13 rather than a radial shape, and the bolt 53 could be rotated about the axis of the slide member 39 to lock the steering shaft 13 more effectively. It would be possible to let it happen. Further, when an external force is applied to the lock structure 21 in the left direction to the extent that the body 8 is not damaged, the size of the disk 13 is changed so that the pin 63 is also opened, or the shape is changed. It is also possible to change.

The steering lock device for a vehicle according to the present invention has a lock structure (21) operated by a key (26),
The lock member (53) is movably provided, engages with and disengages from the recess (16) of the steering shaft (13), and the piston (57) of the safety device (54-64) is attached to the base portion (on the lock member (53) ( Since it is configured to engage and disengage in 54), the locked state is not released by external force,
It has an excellent effect that the reliability can be enhanced even though it has a simple structure.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of the handle locking device showing the handle locking device according to the present invention in a locked position.

FIG. 2 is a partial cross-sectional view of the present handle lock device showing a state of being cut along line II-II in FIG.

FIG. 3 is a cross-sectional view taken along the same plane as FIG. 1, showing a state in which the present handle lock device is in a different operation position.

FIG. 4 is a partial cross-sectional view of the present handle lock device showing a state of being cut along line IV-IV in FIG.

FIG. 5 is a partially enlarged view showing a state in which the present handle lock device is in the same operation position as that in FIG. 3.

FIG. 6 is a cross-sectional view taken along the same plane as FIG. 1 showing a state after a destructive force is applied to the handle lock device.

FIG. 7 is a partial enlarged view showing the state of FIG. 6 of the present handle lock device.

[Explanation of symbols]

 8 Body (Device Storage Body) 10 Sleeve 11 Member 13 Steering Shaft 14 Bracket 16 Recess 20 Member 21 Lock Structure 26 Key 33 Cam 34 Surface 39 Slide Member 53 Lock Member 54 Base 56 Spring Element 57 Piston 58 Guide 59 Head Member 60 Spring 62 Cam surface 63 Pin (locking element) 64 Base

Claims (11)

[Claims] 1. A steering lock device for a vehicle, comprising a lock structure (2) operated by a key (26) of the vehicle.
1) has a device housing (8-11) for housing
The lock structure (21) controls a lock member (53) that locks the steering shaft (13) when the key (26) is removed, and the lock member (53) controls the shaft (13). Is a structure that moves on a member (11) of the device housing (8-11) adjacent to the device housing (8-11). The member (11) causes distortion or damage of the device housing (8-11), or the lock. Structure (21)
The lock member (53) is automatically detected by detecting the removal of the
A steering lock device for a vehicle, characterized in that a safety device (54-64) for locking the steering wheel at a steering shaft lock position is housed. 2. The locking member (53) is moved into engagement with the recess (16) in relation to the shaft (13), and the safety device (54-64) is provided in the recess (16). 2. Vehicle according to claim 1, characterized in that it has a spring element (56) which is pushed into the base (54) on the locking member (53) by a spring (60) when engaged inside. Handle lock device. 3. The spring element (56) comprises the spring (6).
0. The vehicle steering wheel locking device according to claim 2, characterized in that, in opposition to the action of 0), it is brought into a vertical locking state by a locking element (63) controlled by the locking structure (21). 4. The base (64) on the rigid member (11), wherein the member (11) is rigid and designed to withstand external strain or breaking forces. 4. A pin (63) sliding inside, the lock structure (21) being housed in a hollow member (8) of the device housing (8-11). Car handle lock device. 5. The vehicle steering wheel lock device according to claim 4, wherein the rigid member is made of a metal or alloy block (11), and the hollow member (8) is made of a plastic material. 6. The spring element (56) comprises the pin (6).
3) Guides (58) on said rigid member (11) perpendicular to
7. A piston (57) sliding inside, the spring element (56) further providing a cam surface (62) acting on the pin (63). 4. The vehicle handle lock device according to 4 or 5. 7. The cam surface comprises a conical surface (62) of a head member (59) of the spring element (56), which head member (59) is further a flat surface acted upon by the spring (60). 7. The vehicle handle lock device according to claim 6, further comprising: 8. The lock member (53) has the recess (1).
6) is slidably moved to engage the lock member (53) and is reacted by a cam (33) rotated by the key (26).
9) and the locking element (63) is integral with the surface (3) of the cam (33).
The vehicle handle lock device according to any one of claims 3 to 7, wherein the vehicle is locked vertically by step 4). 9. The locking member (53) and the sliding member (39) move substantially perpendicular to the axis of the locking structure (21) and the surface (34) is cylindrical. 9. The vehicle steering wheel lock device according to claim 8, wherein the cam (33) extends to a member having a predetermined corner. 10. The key (26) for the cam (33).
When the cam (33) is axially moved to the first position at the same time when the cam is pulled out, the axial dimension of the cam (33) engages with the pin (63) at the first position, and the second position 10. The vehicle steering wheel lock device according to claim 9, wherein the pin (63) is dimensioned to be opened when the pin (63) is pushed by. 11. The shaft (13) is connected to the device (5).
4-64) by means of a bracket (14) having a member (20) for protecting the device housing (8, 11)
A steering wheel locking device according to any one of the preceding claims, characterized in that it rotates in a sleeve (10) connected to the.