JPH0270532A - Column type shifting device for automatic transmission for automobile - Google Patents

Abstract

PURPOSE:To compact a shifting device and make the surer operation of the device by arranging the key locking mechanism of a cylinder lock for an ignition switch. CONSTITUTION:A flat-plate state control plate 13 is installed in the base part of a shifting lever 4, and the detent window 14 of a shifting pattern 6 is formed on the plate 13. Moreover the detent pin 5 freely engaging with the pattern 6 is arranged to the lever 4, and also the actuating lever 29 of the key lock mechanism D of a cylinder key 25 for an ignition switch is arranged on the plate 13, and the lever 29 is engaged with the lever 4. The mechanism D is formed so that a key 28 can be extracted from the rotation body within a cylinder key main body 26 only when the lever 4 is operated in a parking range.

Description

[Detailed Description of the Invention] a. Field of Industrial Application The present invention relates to a column-type shift device for an automatic transmission for automobiles, and more particularly to a shift operation mechanism and a key lock mechanism for a cylinder lock for an ignition switch. .

b. Prior Art Shift devices for automatic transmissions for automobiles include floor type shift devices and column type shift devices.

In a column type shift device, a selector shaft is attached to a steering column, a shift lever is located near the steering wheel, and a shift pattern range selection means is installed on the selector shaft.

The shift pattern range selection means conventionally provided includes a cylindrical control ID member with a detent window formed around the selector shaft, and a pin implanted in the selector shaft inserted into the detent window. ing.

In such a column type shift device, a shift pattern range is selected by moving and rotating a selector shaft in the axial direction using a shift lever.

C0 Problems to be Solved by the Invention By the way, in the shift pattern range selection means in such a column type shift device, the detent window is formed in a cylindrical control member, so the processing is complicated.
In addition, it is difficult to achieve high dimensional accuracy, and moreover, it is necessary to secure a space for installing the cylindrical control member, so the selector shaft must be installed away from the steering column, which increases the size of the device.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a column-type shift device for an automatic transmission for automobiles that is easy to process, has high dimensional accuracy, is compact, has excellent durability, and has reliable operation. be.

d. Means for Solving the Problems In the column type shift device for an automatic transmission for automobiles of the present invention, a flat control plate is installed at the base of the shift lever,
A detent window for a shift pattern is formed on the control plate, and a detent pin that engages with the shift pattern is provided on the shift lever, and a key for a cylinder lock for an ignition switch is provided on or near the control plate. An operating lever of the locking mechanism is provided, and the operating lever is engaged with the shift lever.

e. Embodiment FIGS. 1 to 8 show a column-type shift device for an automatic transmission for an automobile according to the present invention.

This shift device includes a shift operation mechanism A, a locating mechanism B, a shift lock mechanism C, and a key lock mechanism for a cylinder lock for an ignition switch.

This shifting device has a cylindrical housing 1, to which a bracket 2.3 is fixed. The housing 1 is arranged along the length of the steering column, and is fixedly installed on the steering column E, dash board F, etc. with a bracket 2.3.

The shift operation mechanism A moves a detent pin 5, which is installed integrally with the shift lever 4, on a shift pattern 6 by operating a shift lever 4, and also moves a detent pin 5, which is installed integrally with the shift lever 4, on a shift pattern 6. The automatic transmission (not shown) is operated via a cable connected to the pin 8.

The shift lever 4 has a pipe 9, as shown in FIG. This pipe 9 shapes the shift lever 4, and is curved to improve the operability of the shift lever 4. A release rod 10 is fitted into the pipe 9 with a sufficient gap between the pipe 9 and the pipe 9. The release rod IO is curved to follow the shape of the pipe 9, has a button 11 at its tip, and has the detent pin 5 at its base end. This release rod 10 is urged toward the distal end of the shift lever 4 by a spring 12. The base end of the shift lever 4 is fixed to the upper end of the selector shaft 7. The selector shaft 7 is connected to the housing 1
The cable connecting pin 8 is fixed to the lower end. On the other hand, a control plate 13 is integrally installed at the upper end of the housing 1. A detent window 14 is formed in the plate 13, and a shift pattern 6 is formed on the side wall of the detent window 14. And this detent window 1
A detent pin 5 of the shift lever 4 is fitted into the pin 4, and the pin 5 is pressed against the shift pattern 6 by the biasing force of the spring 12.

The locating mechanism B provides moderation to the rotational movement of the shift lever 40, and has locating holes 15 formed in the control plate 13, the number of which corresponds to the number of ranges of the shift pattern 6. 1
6 are arranged. A locating ball 17 is housed within the ball housing 16, and the pawl 17 is constantly urged downward by a spring 18. The locating pole 17 moves over the locating hole 15 as the shift lever 40 rotates, fits into the wire hole 15, and positions the shift lever 4.

The above-mentioned shift lock mechanism C restrains the detent pin 5 of the shift lever 4 in the parking range 6a of the shift pattern 6 (when it is placed upright), and restrains the detent pin 5 in that position under the conditions described below. This is to cancel the .

This shift lock mechanism C has a lock ring 19 disposed directly below the control plate 13.

This lock ring 19 is rotatably supported by the housing 1 and includes a lock claw 19a and an operating projection 19b. This lock ring 19 is biased clockwise in FIG. 5 by a spring 20 interposed between the ring 19 and the control plate 13, and the lock claw 19a is moved to a position away from the entrance of the parking range 6a. is on standby.

The shift lock mechanism C also includes an electromagnetic actuator 21 operated by a controller C (not shown) and a lever 22 operated by the actuator 21. This lever 22 is disposed on the peripheral wall of the housing 1, one end engages with the protrusion 19b of the lock ring 19, and the other end connects to the electromagnetic actuator 2 via a cable 23.
1 plunger 21a. Then, when the electromagnetic actuator 21 is excited, the plunger 21a
is pulled in, the lever 22 is rotated clockwise in FIG. 6, the lock ring 19 is rotated counterclockwise in FIG. 4, and the pawl 19a is moved to the parking range 6a of shift pattern 6. This lock ring 19 comes into contact with a stopper pin 24 installed on the back surface of the jl, lI control plate 13, and stops the claw 18a there. That is, in this state, the detent bin 5 is restricted to the parking range 6a and cannot be shifted.

The key locking mechanism of the ignition switch cylinder lock 25 is such that the key 28 can be removed from the rotating body 27 in the cylinder lock body 26 only when the shift lever 4 is operated to the parking range 6a. This is what I did. This locking mechanism is lever 2.
9, and the lever 29 is arranged on the peripheral wall of the housing l. One end of this lever 29 projects upward through a hole 30 formed in the control plate 13. One end of this lever 29 is engaged with a tongue piece 31 attached to the ball housing 16 of the shift lever 4, and the other end of this lever 29 is connected to one end of a cable 32. The other end of the cable 32 is connected to the cylinder lock body 2
6 , and is biased by a spring 33 so that the tip thereof enters inside the cylinder lock body 26 . When the tip of the cable 32 is protruding inward from the cylinder lock body 26 as shown in FIG. Rotation is prevented.

Note that when the tip of the cable 32 is retracted as shown in FIG. 7(b), the key 28 can be freely rotated.
Therefore, the key 28 can be rotated to a position where it can be removed, and the key 28 can be removed.

The operation of the above-mentioned shift device will be explained below.

When the car is not in use, that is, the cylinder lock body 2
When the key 28 is removed from the shift lever
The detent bin 5 of No. 4 is placed in the parking range 6a of shift pattern 6, the electromagnetic actuator 21 is demagnetized, and the lock ring 19 is in the unlocked position of the detent bin 5 as shown in FIG. be. Also, in this state, the locating machine FIB
The ball 17 is fitted into the locating hole 15a at the end, and the lever 29 is rotated as shown in FIG. 7(b), and the other end of the wire 32 is inserted into the cylinder lock body 26.
It is retracted from the rotating body 27.

When the key 28 is inserted into the cylinder lock body 26 and rotated to the ON position, the electromagnetic actuator 19 is excited.

When the magnetic actuator 19 is excited, the lever 22 is rotated to the position shown by the two-dot chain line in FIG. 6, and the lock ring 19 is rotated to the lock position shown in FIG. 4. Therefore, in this state, even if you try to operate the shift lever 4, the detent pin 5
The shift lever 4 cannot be operated from the parking range 6a to any other range.

In order to unlock the shift lever 4 by the lock ring 19, it is necessary to depress a brake pedal (not shown). When the brake pedal is depressed, an activation signal is sent to a controller (not shown), and the electromagnetic actuator 19 is demagnetized by the controller. Therefore, the lock ring 19 is rotated by the biasing force of the spring 20, as shown in FIG. 5, and unlocks the detent pin 5.

Next, in order to operate the shift lever 4, it is necessary to press the button 11 of the shift lever 4. When the button 11 is pressed, the detent pin 5 is released via the release rond 10.
is escaped from the parking range 6a. therefore,
The detent pin 5 of the shift lever 4 is connected to the detent window 14
Detent pin 5 can be moved freely in any range of shift pattern 6 (reverse range 6b, neutral range 6c).

Drive range 6d, second range 6e, low range 6f).

In this way, the shift lever 4 moves to the parking range 6.
When the ball housing 16 of the locating mechanism B is moved from a to another range, the ball housing 16 of the locating mechanism B is also moved accordingly.

Therefore, the lever 29 is also rotated by the biasing force of the spring 33 as shown in FIG. This state continues unless the shift lever 4 is placed into the parking range 6a again. Therefore, during this period, the key 28 cannot be removed from the cylinder lock body 26 even if the engine is stopped.

To remove the key 28 from the cylinder lock body 26, it is necessary to insert the shift lever 4 into the parking range 6a. When the shift lever 4 is put into the parking range 6a, the lever 29 is moved to the tongue piece 31 by the ball housing 16 of the locating mechanism B, as shown in FIG. 7(b).
, thereby retracting the tip of the wire 32 from the rotating body 27 of the cylinder lock body 26. Therefore, the rotating body 27 can be rotated to the steering lock position, and by moving to this position, the key 28 can be removed. On the other hand, when the shift lever 4 is placed in the parking range 6a, the electromagnetic actuator 21 is energized, thereby rotating the locking song 19 to the locking position shown in FIG. It is locked inside the range 6a. However, when the key 28 is turned to the steering lock position, the electromagnetic actuator 21
is demagnetized, so it is released.

In the shift lock mechanism C in the above embodiment, the detent pin 5 of the shift lever 4 is locked in the parking range 6a by energizing the electromagnetic actuator 21, and the lock is released by demagnetizing the electromagnetic actuator 21. However, when the electromagnetic actuator 2 is in the demagnetized state, the detent pin 5 may be locked within the parking range 6a, and the lock may be released by energizing the electromagnetic actuator 21. In this way, even when the key 28 is removed from the cylinder lock body 26, the detent pin 5 of the shift lever 4 can be locked within the parking range 6a. In this case, when the brake pedal (not shown) is depressed, the electromagnetic actuator 21 is excited, and after confirming that the detent pin 5 has left the parking range 6a, the electromagnetic actuator 21 is activated.
By demagnetizing the electromagnetic actuator 21, the durability of the electromagnetic actuator 21 can be increased.

When the shift lever 4 is returned to the parking range 6a from another range, the claw 19a of the lock ring 19 is pushed away by the detent pin 5.

f. Effects of the Invention As described above, the column type shift device for the automatic transmission for automobiles according to the present invention is equipped with a key lock mechanism for the cylinder lock for the ignition switch, so the operation is more reliable and it is extremely compact. .

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a column type shift device for an automatic transmission for automobiles according to the present invention, Fig. 2 is a side view showing the upper part of the device, and Fig. 3 is a shift lever of the device. The cross-sectional views, FIGS. 4 to 6, show the shift lock mechanism in the device. FIGS. 4 and 5 show the shift lock state and unlock state by the lock ring, and FIG. 6 shows the shift lock mechanism in the device. It shows the means of operation of
Figures 7 and 8 show the key lock mechanism of the cylinder lock for the ignition switch of the device.
The figure shows the state in which the key can be removed, and FIG. 8 shows the key in the locked state. A... Shift operation mechanism, B... Locating mechanism, C... Shift operation mechanism, D... Key lock mechanism, E... Steering column, 1... Housing, 4... Shift lever -5
... Detent pin, 6... Shift pattern,
6a... Parking range, 7... Selector shaft, 8... Cable connecting bin, 9... Pipe, 10... Release rond, 11...
・Button, 12...Spring, 13・
...Control plate, 14...Detent window, 15
... Locating hole, 16... Ball housing, 17... Ball, 18... Spring, 19... Lock ring, 19a... Lock claw, 20... Spring, 21... - Electromagnetic actuator, 22... Lever, 25... Cylinder lock, 27... Rotating body, 29... Lever 31... Tongue piece, 33... Spring.

Claims (1)

[Claims] A flat control plate is installed at the base of the shift lever, a detent window for the shift pattern is formed on the control plate, and a detent pin that engages with the shift pattern is arranged on the shift lever, and the control plate or A column-type shift device for an automatic transmission for an automobile, characterized in that an actuation lever of a key lock mechanism of a cylinder lock for an ignition switch is disposed in the vicinity thereof, and the actuation lever is engaged with the shift lever.