JPH04325326A - Manual release device for shift lock of automatic transmission - Google Patents

Abstract

PURPOSE:To prevent an easy lock release and improve safety by restricting the movement of a manual release button at the ignition key position, and allowing the shift lock release via the depression of this button. CONSTITUTION:When the key cylinder 14 of an ignition key is rotated to the on-position, a key lever 15 draws the other end section 16b of a cable 16, the hole 12 of a lock slider 13 is moved until it is located directly below a manual release button 4, and the manual release button 4 can be moved downward. When the manual release button 4 is pushed downward, a release lever 11 pushed by the depression section 4b of the button 4 is rotated centering on a pin 17, the projection 10a of a bush 10 is pushed by an arm 11b, and the bush 10 is horizontally rotated. The groove section 10b of the bush 10 is moved to the position below a position pin 9b. When the knob button of a shift lever is operated, the position pin 9b enters the groove section 10b, then the shift lever is released from the shift lock position.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manual shift lock release device for an automatic transmission for an automobile.

0002

[Prior Art] This type of technology includes, for example,
As shown in Japanese Patent No. 3537, the shift lock of an automatic transmission can be manually released at will even when the ignition key is in the position or the parking brake is turned on.

0003

[Problem to be Solved by the Invention] However, as a manual release device for the shift lock of such an automatic transmission, it is difficult to release the shift lock on a slope while the vehicle is stopped with the shift lever in the parking range without turning on the parking brake. By operating a button, it is now possible to manually unlock the shift lever in the parking range, and improvements are desired.

[0004] The present invention has been made in view of the above points, and its purpose is to solve the problem when the ignition key is not turned on or when the ignition key is turned on.
To provide a manual release device in which a shift lock of an automatic transmission cannot be manually released until the foot brake is pressed.

[0005]

[Means for Solving the Problems] A manual release device for a shift lock of an automatic transmission according to the present invention includes a manual release button that is always biased in a direction that does not release and is movable in a release direction; A release means that is movable to a part that allows the button to move to the release position and a part that does not allow the button to be moved to the release position, and a position pin that connects a bush that is rotatably mounted on the shift lever when the manual release button moves to the release position. The position pin prevents a bush rotatably mounted on the shift lever from being released from the shift lock position when the manual release button is not in the release position and is rotationally biased to a position where the shift lock position can be released. and a release lever that is rotationally biased to a position where the release means is disposed below the manual release button and has a hole in which the manual release button can be moved. A formed plate-shaped lock slider,
a key lever that protrudes around the ignition key cylinder and is rotatable with rotation of the ignition key insertion hole; one end is connected to the lock slider, the other end is connected to the key lever, and the ignition key is placed in the ON position. or the release means is arranged below the manual release button and has a cutout. plate-shaped key lock sliders each having a hole formed therein which allows the manual release button to be moved in a release direction when the positions of the notches match, and each plate-shaped key lock slider being arranged so as to be movable in parallel; a brake lock slider; a key lever that protrudes around the ignition key cylinder and is rotatable as the ignition key insertion hole rotates; a foot brake rotatably mounted on the vehicle body; a key lock cable whose other end is connected to the key lever and whose notch is moved to a position where the key lock slider can be moved in the release direction of the manual release button only when the ignition key is in the ON position. and one end is connected to the brake lock slider and the other end is connected to the foot brake, and only when the foot brake is stepped on.
The brake lock slider is configured with a brake lock cable that moves a notch to a position where the manual release button can be moved in the release direction, or the release means is rotatably supported by the shift lever and has one end. a bush rotatably mounted on a shift lever; a lever disposed so as to be rotatable in close proximity to a position where a position pin mounted on the shift lever can be moved out of a specific range; a manual operation button disposed on one end side of the pin; and a manual operation button arranged movably on the other end side of the lever that prevents one end side of the lever from being moved by operation of the manual operation button. a key lock slider and a brake lock slider, a key lever that protrudes around the ignition key cylinder and is rotatable with the rotation of the ignition key insertion hole, and a foot brake that is rotatably installed on the vehicle body;
One end is connected to the key lock slider and the other end is connected to the key lever, so that the key lock slider can be moved in the release direction of the manual release button only when the ignition key is in the ON position. A key lock cable, one end of which is connected to the brake lock slider and the other end to the foot brake, moves the brake lock slider in the direction of release of the manual release button only when the foot brake is stepped on. It consists of a brake lock cable that allows it to be moved.

[0006]

[Operation] According to this structure, the manual release button cannot be operated in the release direction unless the ignition key is turned on, or unless the ignition key is turned on and the foot brake is depressed.

[0007]

【Example】

(First Embodiment) FIG. 1 is an explanatory diagram of the main parts of a manual release device for a shift lock of an automatic transmission according to a first embodiment of the present invention, and FIG.
1 is a plan view of the bush in FIG. 1, FIG. 3 is an explanatory diagram of the main parts before operation in FIG. 1, FIG. 4 is a plan view of the bush in FIG. 2, and FIG. 5 is a manual release device for shift lock of an automatic transmission according to the present invention. FIG.

In the figure, reference numeral 1 denotes a manual shift lock release device for an automatic transmission according to the present invention. , a manual release button 4 movable to a recessed position (FIG. 1) and a protruding position (FIG. 3) from an opening 5 formed in a top plate 3a of the casing 3, a flange 4a of the manual release button 4, and a casing. 3 top plate 3a
A position where the manual release button 4 is always protruded between the housing parts 6a of the bracket 6 fixed to the lower surface of the bracket (FIG. 3)
a coil spring 7 that biases the manual release button 4;
A release means 8 is movable to a part (FIG. 1) that allows movement to the release position (FIG. 1) and a part that does not allow movement (FIG. 3), and the manual release button 4 is moved to the depressed position (FIG. 1), that is, to the release position. The position pin 9b, which is moved up and down by the lever body 9a, moves the bush 10, which is rotatably mounted to the lever body 9a of the shift lever 9 rotatably supported on the floor panel 2, into the shift lock position ( When the manual release button 4 is not in the released position (FIG. 3), that is, when the manual release button 4 is not in the released position, it is rotatably mounted on the shift lever 9. The release lever 11 rotates and biases the bush 10 provided therein to a position (FIG. 4) in which the position pin 9b cannot be released from the shift lock position (not shown).

The release means 8 is disposed on the bracket 6 below the manual release button 4 so as to be slidable in a substantially horizontal direction, and is moved from the protruding position (FIG. 3) to the recessed position (FIG. 3). 1) Rotation of a plate-shaped lock slider 13 in which a hole 12 of a size that allows movement is formed in a part, and an insertion hole 14a for an ignition key (not shown) that protrudes around the ignition key cylinder 14. As shown in FIG. 1, a key lever 15 is rotatable with the key lever 15, and one end 16a is connected to the lock slider 13 and the other end 16b is connected to the key lever 15, and as shown in FIG. The lock slider 13 is released only when the manual release button 4 is in the ON position.
It consists of a cable 16 that allows the device to be moved to a position that permits downward movement of the device.

[0010] The bush 10 is connected to the lever body 9a.
The position pin 9b is rotatably mounted on the position pin 9b so that the position pin 9b can be moved downward from a shift lock position (not shown) in response to a signal generated by stepping on a foot brake by an actuator (not shown).
The groove portion 10b surrounding the groove 10b is forcibly rotated from the position shown in FIG. 4 to the position shown in FIG. A convex portion 10a is formed on the opposite side of the groove portion 10b.

[0011] The release lever 11 is connected to the casing 3.
The pressing portion 4b of the manual release button 4 is rotatably supported by a pin 17, and extends from the position of the pin 17.
a receiving portion 11a formed at a position opposite to the receiving portion 11a; and a convex portion 10 of the bush 10 from a position closer to the receiving portion 11a.
It consists of an arm 11b that can freely press a. And Figure 1
As shown in FIG.
When the user presses the convex portion 10a of the bush 10, the bush 10 is forcibly rotated from the position shown in FIG. 4 to the position shown in FIG. 2 even without a signal generated by stepping on the foot brake by an actuator (not shown).

Therefore, in the state shown in FIGS. 3 and 4, that is, when the key cylinder 14 of the ignition key (not shown) is in the OFF position or in the accessory (ACC) position where only the audio equipment is energized, the manual release button 4 is pressed. Since the lock slider 13 prevents downward movement, the release lever 11 is not moved, and the groove 10b of the bush 10 is misaligned with the position pin 9b, so the shift lever 9 cannot be moved downward. Even if you press the knob button 9c of the position pin 9b, the position pin 9
b only hits the upper part 10c of the bush 10 and cannot be moved downward from the shift lock position (not shown). For example, if the shift lock position is in the parking range, it could be moved in some way, that is, without using the ignition key. It is not possible to switch to another driving range even if the engine is driven.

In addition, the state shown in FIGS. 1 and 2, that is, the key cylinder 14 of the ignition key (not shown) is on (
ON) position, the key lever 15 pulls the other end 16b of the cable 16, and the hole 1 of the lock slider 13
2 moves until it is located directly below the position of the manual release button 4, so that the manual release button 4 is in a state where it can be moved downward.

The operation of manual release will now be explained. Push the manual release button 4 downward as shown by the arrow in the state shown in FIG. The release lever 11 pressed by the pressing portion 4b of the manual release button 4 rotates counterclockwise in FIG. 1 about the pin 17. The protrusion 10a of the bush 10 is pushed by the arm 11b of the rotated release lever 11, and
As shown by the arrow in FIG. 2, it is horizontally rotated clockwise. The groove portion 10b of the horizontally rotated bush 10 moves to a position below the position pin 9b. In this state, when the knob button 9c of the shift lever 9 is operated, the position pin 9b moves downward via the compression rod (not shown) and enters the groove 10b of the bush 10.
Remove from shift lock position. In this state, if the shift lever 9 is moved as shown in FIG. 5, the shift lock is released and it becomes possible to switch to the driving range.

(Second Embodiment) FIG. 6 is a plan view for explaining the main parts of a manual release device for a shift lock of an automatic transmission according to a second embodiment of the present invention, and FIG. 7 is a longitudinal section of the release means of FIG. 6. It is a diagram.

The main difference between the second embodiment and the first embodiment is the release means, and the rest is the same as the first embodiment, so redundant explanation will be omitted and the same reference numerals will be used.

The release means 20 is disposed on the lower bracket 6 of the manual release button 4 so as to be able to slide approximately horizontally, and has cutouts 21a and 22a formed therein. a plate-shaped key lock slider 21 and a brake lock slider 22, each of which has a hole 23 that allows the manual release button 4 to move in the release direction when the positions match, and which are arranged to be movable in parallel; An insertion hole 14a protruding around the ignition key cylinder 14 for an ignition key (not shown)
a foot brake 24 rotatably mounted on the vehicle body (not shown) around a pin 24a, one end 25a of which is connected to the key lock slider 21 and the other end 25b of which is rotatable with the rotation of the key lever 15; The key lever 15
A key lock that moves the notch 21a to a position where the key lock slider 21 can be moved in the release direction of the manual release button 4 only when the ignition key insertion hole 14a is in the ON position. A cable 25 has one end 26a connected to the brake lock slider 22 and the other end 26b connected to the foot brake 24.
A brake lock cable 26 that is connected to the brake lock cable 26 and moves the notch 22a to a position where the brake lock slider 22 can be moved in the release direction of the manual release button 4 only when the pedal 24b of the foot brake 24 is depressed.
It becomes more.

In such a case, the manual release button 4 cannot be operated simply by turning the ignition key cylinder 14 to the ON position or by simply stepping on the pedal 24b of the foot brake 24; for example, the manual release button 4 cannot be operated. If the shift lock position is in the parking range, both 14
, 24, but in some way, that is,
Even if the engine is started without using the ignition key, it will not be possible to switch to another driving range, and an operator (for example, a young child) who does not know how to operate the foot brake 24 may accidentally press only the manual release button 4. Even if the shift lever 9 is pressed, the shift lever 9 cannot be switched to another driving range.

(Third Embodiment) FIG. 8 is an explanatory diagram of the main parts of a manual release device for a shift lock of an automatic transmission according to a third embodiment of the present invention, and FIGS. 9 and 10 are taken along line A-A in FIG. , a sectional view taken along line B-B, and FIG. 11 are perspective explanatory views of a manual shift lock release device for an automatic transmission according to the present invention.

The third embodiment differs from the first embodiment mainly in the canceling means, and the rest is the same as the first embodiment, so redundant explanation will be omitted and the same reference numerals will be used.

[0021] This release means 30
A bush 10 is rotatably supported on a lever body 9a around a pin 31, and one end 32a is rotatably attached to the lever body 9a. The position where it can be removed from the position, that is, the position pin 9b and the groove 1 of the bush 10
Bush 10 so that it can be rotated to the position where 0b matches.
a lever 32 disposed close to the convex portion 10a; a manual release button 4 disposed biased towards the one end 32a side from the pin 31 of the lever 32; and one end 32 of the lever 32.
a pin-shaped key lock slider 33 and a brake lock slider 34 movably disposed on the other end 32b side of the lever 32 on the side that prevents the a side from being moved by the operation of the manual release button 4; A key lever 15 that protrudes around the ignition key cylinder 14 shown in FIG. 6 and is rotatable as the ignition key (not shown) insertion hole 14a rotates, and a pin 24a that is attached to the vehicle body (not shown) also shown in FIG. A foot brake 24 is rotatably installed around the key lock slider 33, and one end 25a is connected to the key lock slider 33, and the other end 25b is connected to the key lock slider 33 as shown in FIG.
is connected to the key lever 15 shown in FIG.
) only when the ignition key insertion hole 14a is in the position
9 so that the other end 32b of the lever 32 can be rotated counterclockwise in FIG.
A key lock cable 25 that moves the plunger 33a in a direction in which the plunger 33a is removed from above the other end 32b, and one end 26.
a is connected to the brake lock slider 34, and the other end 26b is connected to the foot brake 24 shown in FIG. A position where the release button 4 can be moved in the release direction, that is, a direction in which the plunger 34a in FIG. 9 is removed from above the other end 32b so that the other end 32b of the lever 32 can be rotated counterclockwise in FIG. Brake lock cable 2 to be moved
6 and more.

In such a case, the manual release button 4 cannot be operated simply by turning the ignition key cylinder 14 to the ON position or by simply stepping on the pedal 24b of the foot brake 24; for example, the manual release button 4 cannot be operated. If the shift lock position is in the parking range, both 14
, 24, but in some way, that is,
Even if the engine is started without using the ignition key, it will not be possible to switch to another driving range, and an operator (for example, a young child) who does not know how to operate the foot brake 24 may accidentally press only the manual release button 4. Even if the shift lever 9 is pressed, the shift lever 9 cannot be switched to another driving range.

Further, in this third embodiment, the plungers 33a and 34a are inserted into the hollow portions 33b and 34a of the key lock slider 33 and the brake lock slider 34, respectively.
The coil spring 3 is installed in the coil spring 34b so that it can move forward and backward.
Since the shift lever 9 is always urged in the protruding direction by the lever 5, the operator can press the manual release button 4 while pushing the shift lever 9
When placed in a specific range and released, the plungers 33a and 34a simultaneously move to a position where they prevent the other end 32b of the lever 32 from rotating, making manual operation impossible. It is.

[0024]

As described above, according to the present invention, a manual release device for a shift lock of an automatic transmission includes a manual release button that is always biased in a direction that does not release and is movable in a release direction; A release means that is movable to a portion that permits and a portion that does not permit movement of the manual release button to a release position, and a bush that is rotatably mounted on the shift lever when the manual release button moves to the release position. When the position pin is rotationally biased to a position where the shift lock position can be released and the manual release button is not in the release position, the position pin releases a bush rotatably mounted on the shift lever from the shift lock position. The system is characterized by having a release lever that rotates the gearbox to an impossible position, and the automatic gear shifting will not occur unless the ignition key is turned on, or after the ignition key is turned on and the foot brake is pressed. This has the practical effect of providing a safer structure in which the shift lock of the machine cannot be manually released.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram of main parts of a manual shift lock release device for an automatic transmission according to a first embodiment of the present invention.

FIG. 2 is a plan view of the bushing of FIG. 1;

FIG. 3 is an explanatory view of the main parts of FIG. 1 before operation.

FIG. 4 is a plan view of the bushing of FIG. 2;

FIG. 5 is a perspective explanatory view of a manual shift lock release device for an automatic transmission according to the present invention.

FIG. 6 is a plan view illustrating a main part of a manual shift lock release device for an automatic transmission according to a second embodiment of the present invention.

FIG. 7 is a longitudinal sectional view of the release means of FIG. 6;

FIG. 8 is an explanatory diagram of a main part of a manual shift lock release device for an automatic transmission according to a third embodiment of the present invention.

9 is a cross-sectional view taken along line AA in FIG. 8. FIG.

FIG. 10 is a sectional view taken along line BB in FIG. 8;

FIG. 11 is a perspective explanatory view of a manual shift lock release device for an automatic transmission according to the present invention.

[Explanation of symbols]

1 Manual release device for automatic transmission shift lock 2
Vehicle body 4 Manual release button 8 Release means 9 Shift lever 9b Position pin 10 Bush 11 Release lever 14 Ignition key cylinder 20 Release means 30 Release means

Claims (4)

[Claims] 1. A manual release button that is always biased in a direction that does not release and is movable in the release direction, and a manual release button that is movable to a part that allows movement to the release position and a part that does not allow movement of the manual release button. a release means, and when the manual release button moves to a release position, a position pin rotates and biases a bush rotatably mounted on the shift lever from a shift lock position to a release position, and the manual release button is released. An automatic transmission characterized by having a release lever that rotates and urges a bush rotatably mounted on the shift lever to a position where the position pin cannot release the bush from the shift lock position when the shift lever is not in the shift lock position. manual shift lock release device. 2. The release means includes a plate-shaped lock slider disposed below the manual release button and partially formed with a hole through which the manual release button can be moved, and a lock slider protruding around the ignition key cylinder. a key lever that is provided and is rotatable with the rotation of the ignition key insertion hole; one end is connected to the lock slider, the other end is connected to the key lever, and the lock slider is connected only when the ignition key is in the ON position. 2. The manual shift lock release device for an automatic transmission according to claim 1, further comprising a cable for moving the manual release button to a position that permits downward movement of the manual release button. 3. The release means is disposed below the manual release button and has a notch formed in each of them, and when the positions of the notches match, the manual release button can be moved in the release direction. A plate-shaped key lock slider and a brake lock slider each having a hole formed therein so as to be movable in parallel, and a key lever that protrudes around the ignition key cylinder and is rotatable as the ignition key insertion hole rotates. a foot brake rotatably mounted on the vehicle body; one end connected to the key lock slider and the other end connected to the key lever;
A key lock cable that moves a notch to a position where the key lock slider can be moved in the release direction of the manual release button only when the ignition key is in the ON position, and a key lock cable that has one end connected to the brake lock slider and the other end. A brake lock cable is connected to the foot brake, and the notch is moved to a position where the brake lock slider can be moved in the release direction of the manual release button only when the foot brake is stepped on. A manual shift lock release device for an automatic transmission according to claim 1. 4. The release means includes a bush which is rotatably supported by the shift lever and has one end rotatably attached to the shift lever so that a position pin attached to the shift lever can be removed from a specific range. a lever disposed close to each other so as to be rotatable to a possible position; a manual operation button disposed on one end side from a pin of the lever; and one end side of the lever is moved by operation of the manual operation button. a key lock slider and a brake lock slider that are movably disposed on the other end side of the lever on the side that prevents the ignition key from being removed; and A rotatable key lever, a foot brake rotatably mounted on the vehicle body, one end connected to the key lock slider and the other end connected to the key lever, and only when the ignition key is in the ON position. a key lock cable that moves the key lock slider so that it can move in the release direction of the manual release button; one end of the cable is connected to the brake lock slider, the other end is connected to the foot brake; 2. The manual shift lock release device for an automatic transmission according to claim 1, further comprising a brake lock cable that moves the brake lock slider so that the manual release button can be moved in the release direction only when the brake lock slider is stepped on.