JP2002211359A - Theft prevention device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple theft prevention device for a vehicle capable of increasing the theft prevention property of the vehicle. SOLUTION: Since this theft prevention device for the vehicle is provided with an intention detection means detecting driver's intention, a lock means 8 regulating the travel of a shift lever 3 from a parking position, and a control means locking and unlocking the lock means 8 based on signals from the intention detection means, the shift lever 3 cannot move from the parking position if a signal from the intention detection means is not generated to inhibit the travel of the vehicle when it is stolen so as to increase the theft prevention property.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anti-theft device for a vehicle which makes it impossible to move the vehicle when the theft occurs.

[0002]

2. Description of the Related Art Conventionally, as an anti-theft device for a vehicle, a steering lock device that locks and unlocks a steering by rotating an ignition key is generally employed.

[0003]

However, in such a vehicle in which the steering lock device is adopted as the vehicle anti-theft device, it is necessary to secure a space for mounting the lock device on the steering column due to its structure. There was a problem that the crew's leg space below the column became narrow.

[0004] Further, since the steering lock device generally locks the steering column mechanically in response to the turning operation of the ignition key, the insertion direction of the ignition key is also restricted, and the operability of the ignition key is restricted. It was disadvantageous in that respect.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle anti-theft device capable of eliminating the steering lock and improving the anti-theft property of the vehicle.

[0006]

According to the first aspect of the present invention, a will detection means for detecting a driver's will, a shift lever for selecting a shift position of an automatic transmission, and a parking position of the shift lever are provided. And lock control means for locking and unlocking the lock means in response to a signal from the will detection means.

According to a second aspect of the present invention, in the automatic transmission device mechanism according to the first aspect, a detent groove in which various operation positions are set, a detent pin arranged in the detent groove, A shift knob provided on the shift lever for moving the detent pin toward the passage side of the detent groove, wherein the locking means controls the movement of the detent pin from the parking position; and And driving means for performing the operation.

[0008] The invention of claim 3 is characterized in that the intention detecting means according to claim 1 or 2 comprises an ID collation device.

In the invention of claim 4, claims 1 to 4 are provided.
Wherein the locking means is unitized, fixed in a device mechanism of the automatic transmission, and isolated from the outside.

[0010]

According to the first aspect of the present invention, a will detecting means for detecting a driver's will, a shift lever for selecting a shift position of the automatic transmission, and a movement of the shift lever from the parking position are restricted. Since the lock means and the control means for locking and unlocking the lock means by a signal from the will detection means are provided, the shift lever cannot move from the parking position without a signal from the will detection means. The movement of the vehicle can be prohibited, and the antitheft property can be improved.

Further, since the steering lock used in the anti-theft device of the vehicle can be eliminated, it is advantageous in terms of cost, as well as securing the passenger's leg space below the steering column and the direction of inserting the ignition key. Can be solved.

According to the second aspect of the present invention, in addition to the effect of the first aspect, the device mechanism of the automatic transmission includes a detent groove in which various operation positions are set, and a detent disposed in the detent groove. A pin, and a shift knob provided on the shift lever for moving the detent pin toward the passage of the detent groove, wherein the locking means restricts the movement of the detent pin from the parking position; And driving means for driving the shift lever, the movement of the shift lever from the parking position can be restricted with a simple configuration.

According to the third aspect of the present invention, in addition to the effect of the first or second aspect, since the intention detecting means is constituted by an ID collating device, it matches the ID information from the driver side. Only when this is done, the driver's will can be detected, and the antitheft property can be further improved.

According to the fourth aspect of the present invention, in addition to the effects of the first to third aspects, since the lock means is unitized, the lock means is unitized in a device mechanism of an existing automatic transmission. Can be easily implemented by adding, which is advantageous in cost.

Further, since the unitized locking means is fixed in the device mechanism of the automatic transmission and is isolated from the outside, the locking means is destroyed when the vehicle is stolen and the vehicle is moved. Can be prevented, and the antitheft property can be further enhanced.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an exploded perspective view showing a device mechanism of an automatic transmission to which the present invention is applied.
FIG. 2 shows a side sectional view of the device mechanism of the automatic transmission. 3 and 4 are a sectional view taken along the line AA and a sectional view taken along the line BB of FIG. 2, FIG. 5 is an explanatory view for explaining a locked state by the locking means, and FIGS. FIG. 4 is a cross-sectional view illustrating a structure of a locking means.

Reference numeral 1 denotes a device mechanism (hereinafter referred to as AT) of an automatic transmission (AT) to which the vehicle antitheft device of the present invention is applied.
Device mechanism). This AT device mechanism 1
Are an operation side lever 3A having an AT device main body 2 and an operation unit 4 surrounded by a wall, and an AT device side lever 3
B; a shift knob 5 provided on an operation unit 4 of the shift lever 3; a cover unit 6 having a shift position display unit; and an AT device main body 2.
And a plate member 7 for closing the lower surface of the plate.

The shift cover 6 has an engaging portion 2a provided on the AT device main body 2 with an engaging portion 6a provided at the front and rear ends thereof.
It is inserted and locked.

Reference numeral 8 denotes a lock unit (lock means) having a regulating pin 13 and a driving means 14. The lock unit 8 is fixed to a rib 2b in the AT device main body 2 by a locking projection 8a. I have. The plate member 7 is isolated from the outside, so that unauthorized operation from the outside cannot be performed. Reference numeral 9 denotes a code which is connected to a control unit (not shown) and transmits a signal from the control unit to the lock unit 8.

As shown in FIGS. 2 to 4, the AT device main body 2 is mounted on the vehicle body panel 12 with the plate member 7 interposed therebetween by a threaded bolt 11 inserted into a bolt hole 10 provided in the flange portion 2c. Fastened and fixed.

The threaded bolt 11 referred to here is a bolt which cannot be easily released from being fastened when a predetermined load or more is applied after fastening and fastening, whereby a bolt portion engaging with a tool is lost. That is, it is used as one method of fixing the inside of the AT device main body 2 so as not to be easily illicitly operated from the outside.

Here, the AT device mechanism will be described more specifically.

The AT device mechanism of the present embodiment includes:
A substantially fan-shaped detent groove 15 is integrally provided on the upper inner wall of the AT device main body 2, and a detent pin 16 that can move along the arc of the fan is disposed in the detent groove 15. And a pivot shaft 1 supported by the AT device body 2
The shift lever 3 is pivotally connected to the detent groove 15 so as to follow the circular arc of the fan.

The detent pin 16 is connected to the shift lever 3 and is connected to a shift knob 5 provided on the operation section 4 of the shift lever 3 via a shaft 18 provided in the shift lever 3. Therefore, the detent pin 16 is pushed down by the shaft 18 by operating (pressing) the shift knob 5 so as to allow the rotation of the shift lever 3 beyond a step 19 described later provided in the detent groove 15. It has become.

The step 19 is provided in the detent groove 15. Specifically, steps 19a, 19b, 19c, 19d, and 19e are provided from the vehicle front side (right side in FIG. 2).
And P (parking position),
A structure set according to each position of R (reverse position), N (neutral position), D (drive position), 2 (second position) and L (low position) is used, and these step portions 19a to 19e are used.
If the shift knob 5 is not operated due to the engagement between the shift knob 5 and the detent pin 16, a shift operation requiring attention, such as from the P position to the R position or the D position, from the 2 position to the L position, cannot be performed. 19a is a step portion for regulating the P position, 1
Reference numeral 9c denotes an R position regulating step, 19b denotes a boundary step between the two, 19d denotes an N, D, 2 position regulating step, and 19e denotes an L position regulating step.

Further, these detent grooves 1 shown here
The structure of 5 and detent pin 16 is an example of a known structure, and the shape of step 19 is not limited to this.

In addition to the AT device mechanism 1, in the present embodiment, an ID collating device as a will detecting means for detecting a driver's will, and the lock unit 8 is operated by a signal from the ID collating device. It has control means.

Here, the lock unit 8 will be described with reference to FIGS.

The lock unit 8 is provided with the locking projection 8a on the side surface of the casing 20, and has a regulating pin 13 inside the locking projection 8a.
And a drive unit 14.

The driving section 14 includes a motor 21 and a driving gear 2.
2. It is composed of a disc 23 connected to the drive gear 22. The projection 13a of the regulating pin 13 is engaged with the spiral groove 23a formed on the disk 23, and converts the rotational force of the motor 21 into the driving force of the regulating pin 13.

On the other hand, the regulating pin 13 has inclined portions 24a, 2a.
4b is formed, and when the regulating pin 13 moves, the inclined portions 24a, 24b come into contact with the limit switches 25, 26, so that the limit switches 25, 26 are actuated and regulated. The movement amount of the pin 13 is detected.

With the above configuration, a vehicle anti-theft device is configured. Hereinafter, the operation of the vehicle antitheft device of the present embodiment will be described.

When the vehicle is parked, the restricting pin 13 of the lock unit 8 is in the protruding position as shown in FIGS.
The detent pin 16 is engaged with the detent pin 16.
Is prohibited from moving downward. Therefore, at this time, the third
Even if a user attempts to move the shift lever 3 by operating the shift knob 5, the movement of the shift lever 3 is prohibited by the restriction pin 13.

On the other hand, when the driver gets into the vehicle, starts the engine, and tries to start the vehicle, the ID pin is checked to move the regulating pin 13 of the lock unit 8 as shown by the arrow in FIG. As a result, the downward movement of the detent pin 16 is allowed, and the movement of the shift lever 3 is allowed to start the vehicle.

For the ID collation, for example, the ID collation may be performed by carrying a transmission unit such as a card and receiving a signal from the transmission unit.

According to the structure of the above embodiment, an ID collating device as a will detecting means for detecting a driver's will,
Since there is provided a lock means 8 for restricting the shift lever 3 from moving from the parking position and a control means for locking and unlocking the lock means 8 based on a signal from the ID collation apparatus, there is no signal from the ID collation apparatus. For example, since the shift lever 3 cannot move from the parking position, the movement of the vehicle can be prohibited when the vehicle is stolen, and the antitheft property can be improved.

Further, the steering lock used in the anti-theft device of the vehicle can be eliminated, which is advantageous in terms of cost, and secures the leg space for the occupant below the steering column and inserts the ignition key. Can be solved.

Particularly in this embodiment, the locking means 8
Is composed of a regulating pin 13 for regulating the movement of the detent pin 16 from the parking position, and a driving means 14 for driving the regulating pin 13, so that the shift lever can be moved from the parking position with a simple configuration. Can be regulated.

Further, since the lock means 8 is unitized, it can be easily implemented by adding the lock unit 8 to the device mechanism 1 of the existing automatic transmission, which is advantageous in cost. Become.

Further, the lock unit 8 is fixed in the device main body 2 of the automatic transmission, and the lower surface of the device main body 2 is closed by the plate member 6 to be isolated from the outside. Attempts to move the vehicle by breaking the lock unit 8 can be prevented, and the antitheft property can be further improved.

In the above-described embodiment, a transmitting unit such as a card has been described as an example of the ID collating device. However, the present invention is not limited to this. Examples of the non-contact recognition system include a radio wave type, an infrared type, and an electromagnetic type. It goes without saying that the same effect can be obtained even when a coupling method, an electromagnetic induction method, a microwave method, or the like is applied, and it may be linked with a keyless system that locks and unlocks a vehicle door using these methods.

Various ID matching systems such as a fingerprint matching system and a voice matching system can be used.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a device mechanism of an automatic transmission to which the present invention is applied.

FIG. 2 is a side sectional view of a device mechanism of the automatic transmission according to the embodiment.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a sectional view taken along the line BB of FIG. 2;

FIG. 5 is an explanatory diagram illustrating a lock state by a lock unit.

FIG. 6 is a cross-sectional view illustrating a structure of a lock unit.

FIG. 7 is a sectional view taken along the line CC of FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 AT device mechanism (device mechanism of automatic transmission) 3 Shift lever 5 Shift knob 8 Lock unit (Lock means) 13 Regulation pin 14 Drive means 15 Detent groove 16 Detent pin

Claims (4)

[Claims] 1. A will detection means for detecting a driver's will, a shift lever for selecting a shift position of an automatic transmission,
An anti-theft device for a vehicle, comprising: lock means for restricting movement of a shift lever from a parking position; and control means for locking and unlocking the lock means in response to a signal from the will detection means. 2. The device mechanism of the automatic transmission, comprising: a detent groove in which various operation positions are set; a detent pin disposed in the detent groove; and a detent pin provided on the shift lever, the detent groove being on a passage side of the detent groove. And a shift knob for moving the detent pin from the parking position, and a driving means for driving the restriction pin.
4. The vehicle antitheft device according to 1. 3. The vehicle anti-theft device according to claim 1, wherein said intention detecting means comprises an ID collating device. 4. The vehicle according to claim 1, wherein the lock unit is unitized, fixed in a device mechanism of the automatic transmission, and isolated from the outside. Anti-theft device.