JPH01164652A - Vehicle steering lock device - Google Patents

Abstract

PURPOSE:To invariably allow the precise locking by sucking a block member with a solenoid only when a shift lever is placed at the parking position and a cylinder lock rotor is to be rotated to the lock position and allowing the rotor to be rotated to the lock position. CONSTITUTION:A block member 4 made of a plunger excited in the direction to be hooked on a hooking piece 6 protruded on the outer periphery of a cylinder lock rotor 5 when a solenoid 3a is not excited is provided. The first switch 1a detecting that operations other than the rotating operation of the rotor 5 are performed and the second switch 2a detecting that a shift lever is placed at positions other than the parking position are connected in series on the electric circuit of the solenoid 3a. When the shift lever is operated to the parking position and the rotor 5 is to be rotated to the lock position at the time of parking, both switches 1a and 2a are turned on, the solenoid 3a is excited to suck the block member 4, and the rotor 5 can be rotated to the lock position.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a steering lock device for a vehicle, which locks a steering shaft of a steering wheel in a non-rotatable manner by means of a cylinder lock that operates an electric switch of an automobile engine. It is.

(Prior Art) Conventionally, as this type of device, for example, as shown in Japanese Patent Application Laid-open No. 47-44629, there has been a device called Unp-! ”
Or, a passenger accidentally presses the key and accidentally turns the steering wheel while driving. In order to prevent the key from being turned from the on position to the lock position, it is detected that the key is not turned to the lock position only by turning the key, and the car is in a running state. 2. Description of the Related Art A locking device is known that is configured to prevent rotation of a rotor by a blocking member that is activated by the excitation state of a solenoid that is activated by a signal from a detection sensor.

(Problem to be Solved by the Invention) However, the locking device having the above structure has a switch that detects when the key is turned to the lock position, and the switch detects the turning operation of the key. Therefore, when the key is operated quickly, the key turns to the lock position before the blocking member activated by the excitation of the solenoid moves to the position where it engages with the rotor, and the steering is locked. There is a problem with this.

(Means for Solving the Problems) The present invention aims to solve the above-mentioned problems, and has a first method for detecting that an operation other than a rotating operation of the cylinder lock rotor has been performed.
and a second switch means for detecting that the shift lever is in a position other than the parking position, and the rotor is moved to the lock position by signals from the first switch means and the second switch means. It is designed to make it impossible to rotate.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

FIGS. 1 and 2 are schematic configuration diagrams of the electric control unit when the rotation prevention member that prevents rotation of the rotor of the steering lock device is always in the rotor rotation prevention position (first embodiment) , FIG. 3, and FIG. 4 show a case where the rotation prevention member that prevents rotation of the rotor is not always in the rotation prevention position of the rotor (in the second position).
FIG. 2 is a schematic configuration diagram of an electric control section of an embodiment.

First, a first embodiment will be described in which the rotation blocking member is always in the rotation blocking position of the rotor.

As shown in FIGS. 1 and 2, the blocking member 4, which is a solenoid plunger, is always biased so as to be locked with a locking piece 6 projecting in the circumferential direction of the rotor 5. 1
2), the first switch 1a detects that an operation other than rotation of the rotor 5 has been performed, and the second switch 1a detects that the shift lever is in a position other than the parking position.
When the switches 2a both close their contacts, the solenoid 3a is energized and attracted to it (Figs. 1 and 2).
It is configured to be released from the locked state (leftward in the figure). The first switch 1a is for operations other than rotating the rotor 5,
For example, it is turned on when the txt cylinder lock rotor is pressed or (2) the push button is pressed, and it is turned off when these operations are not performed. The second switch 2a is turned on when the shift lever is in the parking position, and turned off when the shift lever is in a position other than the parking position. To explain the operation of the first embodiment, while the automobile is running, the cylinder lock rotor 5 is set to the on position, and the shift lever is located at a position other than the parking position. In this state, as shown in FIG. 1, the second switch 2a is turned off, so that the solenoid 3a is not energized, and the blocking member 4, which is normally in the rotation blocking position, is brought into engagement with the locking piece 6. This prevents the driver from rotating the rotor 5 to the lock position. Also, stop the car and position the shift lever in the parking position,
When the rotor 5 is pushed in or the push button is pushed in to rotate the rotor 5 to the lock position, the first switch la and the second switch 2a are turned on as shown in FIG. Solenoid 3
a is energized, the blocking member 4 is attracted, and is released from the locking piece 6, allowing the rotor 5 to rotate to the locked position.
In the device of this embodiment, the vehicle is stopped and the shift lever is
When the switch is placed in the parking position, the second switch 2a is turned on, but the first switch is turned on only when an operation other than rotation of the rotor is performed, and otherwise it is turned off and the electric circuit is opened. The flow of current is stopped, and unnecessary power is not consumed; Next, a second embodiment in which the rotation blocking member is not always in the rotation blocking position of the rotor will be described.

As shown in FIGS. 3 and 4, the blocking member 4 is always biased so as to be disengaged from the locking piece 6 of the rotor 5 (in FIGS. 3 and 4, the blocking member 4 is biased toward the left). ), the first switch 1
When both the solenoid 3b and the second switch 2b close their contacts, the solenoid 3b is energized and attracted by it (the third lever, rightward in FIG. 4), and engages with the locking piece 6 of the rotor 5. , is configured to prevent rotation of the rotor 5 to the lock position.

The first switch 1b is turned on when an operation other than rotation of the rotor 5 is performed, such as (fl) pushing the cylinder lock rotor or (2) pushing a push button, and turns off when no operation is performed. Become. The second switch 2b is turned off when the shift lever is in the parking position, and turned on when the shift lever is in a position other than the parking position. To explain the operation of this second embodiment, while the car is running, the cylinder lock rotor 5 is set to the on position.
Further, the shift lever is located at a position other than the parking position. In this state, the second switch 2b is in the on state, and when the driver attempts to rotate the rotor 5 to the lock position by pushing the rotor 5 or pushing the push button, the switch 2b is turned on as shown in FIG. The first switch 1b is turned on, thereby energizing the solenoid 3b, and the blocking member 4, which is normally not in the rotation blocking position, is attracted and engages with the locking piece 6, so that the driver can move the rotor 5 to the locking position. Prevents the operation of rotating the Furthermore, when the car is stopped and the shift lever is placed in the parking position, the second switch 2b is turned off and the solenoid 3b is turned off, as shown in FIG.
is not excited, and as a result, the blocking member 4, which is not always in the rotation blocking position, maintains a state of disengagement with the locking piece 6, and the rotor 5
In the device of this embodiment, the first switch Ib is turned to the lock position.

When both the second switches 2b are in the ON state, the blocking member 4 engages with the locking piece 6 and prevents the rotor 5 from rotating to the locked position, so troubles such as circuit breakage occur. In this case, the blocking member 4 returns to the disengaged state with the locking piece 6, allowing the rotor 5 to rotate to the locked position.

Thereby, the key can be removed from the key hole, and theft of the car can be prevented.

(Effects of the Invention) The present invention provides the rotor mouth 7 as described above.
The first sensor detects that an operation other than rotation of the cylinder lock rotor is performed, which makes it difficult to quickly rotate the cylinder lock rotor to the desired position.
and a second switch means for detecting whether the shift lever is in the parking position, and locks the rotor by signals from the first switch means and the second switch means. By making it impossible to turn the key to the locking position, it is possible to prevent the key from turning to the locking position and locking the steering wheel before the blocking member moves to the position where it engages with the rotor. Can be done. Furthermore, since it is possible to turn the shift lever to the lock position when the parking position is detected, the shift lever must be set to the parking position when leaving the car, which causes automatic braking to be activated. When activated, it has the excellent effect of allowing parking even on slopes.

[Brief explanation of the drawing]

FIGS. 1 and 2 are schematic configuration diagrams of the electric control unit when the rotation prevention member that prevents rotation of the rotor of the steering lock device is always in the rotor rotation prevention position (first embodiment) , FIG. 3, and FIG. 4 show a case where the rotation prevention member that prevents rotation of the rotor is not always in the rotation prevention position of the rotor (in the second position).
FIG. 2 is a schematic configuration diagram of an electric control section of an embodiment. la, lb...first switch 2a, 2b...second switch 5...rotor agent Akira Eito

Claims (3)

[Claims] (1) It is installed in an automatic vehicle and is configured to enable rotation of the cylinder lock rotor to a lock position by a rotation operation of the cylinder lock rotor and an operation other than rotation operation of the cylinder lock rotor, thereby locking the steering wheel. In the steering lock device, a first switch means for detecting that an operation other than a rotation operation of the cylinder lock rotor has been performed;
and a second switch means for detecting whether the shift lever is in the parking position, and the rotation of the rotor to the lock position is controlled by signals from the first switch means and the second switch means. A steering lock device for a vehicle, characterized in that the steering lock device is configured to be disabled. (2) The operation other than the rotating operation of the cylinder lock rotor is a pushing operation of the cylinder lock rotor.
1) The vehicle steering lock device described in item 1). (3) The vehicle steering lock device according to claim (1), wherein the operation other than the rotation operation of the cylinder lock rotor is a pushing operation of a push button.