JP3499298B2 - Release mechanism of shift lock device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric shift lock device used to limit a shift operation of a shift lever of an automatic transmission mounted on an automobile or the like, and particularly to a shift lock device when electricity is not supplied. The present invention relates to a release mechanism that mechanically releases.

[0002]

2. Description of the Related Art A conventional shift lock device limits a shift operation by locking a shift lever at a parking range position under a predetermined condition.

This shift lock will be described with reference to FIG. Generally, when the shift lever knob button 103 of the shift lever 101 is pressed, the grooved pin 105 of the shift lever 101 moves downward. After that, by rotating the shift lever 101, the grooved pin 105
Moves over the protrusion 107A in the detent groove 107, and the shift from the parking range to another range becomes possible. Grooved pin 1 in this parking range
On the other hand, the shift lock plate 109 is locked in the vertical direction with respect to 05, and moves in the vertical direction together with the grooved pin 109. When a predetermined condition is satisfied at the parking range position, for example, when the brake pedal is not depressed or the key is in the LOCK state, the solenoid 1
11, the stopper 115 is moved to the imaginary line position in the horizontal direction in the figure by the pressing force of the spring 113, and the downward movement of the shift lock plate 105 is blocked. On the contrary, when the predetermined condition is not satisfied, that is, when the brake pedal is stepped on, the solenoid 111 is energized to move the stopper 115 in the substantially horizontal left direction in the figure, and the shift lock plate 109 can be lowered.

A release mechanism 117 is provided in the case where the solenoid 111 is no longer supplied with electricity and the solenoid 111 is no longer normally energized due to, for example, a battery failure. This release mechanism 117 pushes the shift lock release button 119 exposed in the vehicle interior to
The release lever 123 rotates around the rotation shaft 121 and pushes back the operating portion 125 of the solenoid 111 to make it as if the solenoid 111 is energized. As a result, the stopper 115 does not prevent downward movement of the shift lock plate 109, so that the shift lock is released.

[0005]

However, since the shift lock release button 119 is exposed in the interior of the automobile, special parts are required, and the exposure of the button to the interior of the automobile reduces the degree of freedom in designing and designing the interior of the automobile. Will be done.

The present invention has been made in order to solve the above problems, and provides a releasing mechanism for a shift lock device in which the number of parts is small and the shift lock releasing button is not exposed in the vehicle compartment. With the goal.

[0007]

The invention according to claim 1 of the present application is a member for transmitting an operating force to a shift lever knob button by operating an electric drive means under a predetermined condition at a parking range position of a shift lever. Is used for a shift lock device that can be transmitted to a detent mechanism via a lock, and is used to release the lock of the detent mechanism, and when electricity is not supplied to the electric drive means, the transmission member is larger than the movement range of the shift change operation. In a release mechanism for mechanically releasing a shift lock by moving, a knob button first member which constitutes a part of the shift lever knob button and applies an operating force of a driver at the time of shift change to the transmission member. And relative to this knob button first member, it is relatively movable from the first position to the second position, and at the first position the knob button The first member in correspondence with the transmission member,
At the second position, this correspondence is released, and the knob button second member for moving the transmission member to a position larger than the movement range of the shift change operation and both members provided at the first position are provided between the first member and the second member. Engagement means that holds the engagement, releases the engagement by an external operation, moves both members to the second position, and can return to the first position by another external operation. And

In the invention according to claim 2 of the present application, the knob button first member and the second member are slidable relative to each other and are biased to the second position, and the elastically deformable member is engaged at the first position. The elastically deformable member is held, and the elastically deformable member is deformed by an external operation so that the engagement and retention are released, and the elastically deformable member relatively moves to the second position.

[0009]

When the shift is changed during normal traveling, the knob button first member and the second member correspond to each other at the first position, and the knob button first member moves from the parking range position to another shift position.
It is transmitted from the member to the detent mechanism via the transmission member.

When the electric drive means such as a battery failure does not work, when the engagement means is disengaged from the outside and moved to the second position, the transmission member moves out of the movement range of the shift change operation. Is also moved significantly, which allows the shift lock to be mechanically released.

The knob button first member and the second member are slidable relative to each other and are biased to the second position, and the elastically deformable member is engaged and held at the first position, and the elastically deformable member is deformed by an external operation. With the configuration in which the combined holding is released and the relative position is moved to the second position, these can be returned to the first position again after the shift lock is mechanically released as the second position.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

That is, among the components of the release mechanism of this embodiment, a shift lock release mechanism for mechanically directly releasing the shift lock by the electric drive means is shown in FIGS.
As shown in FIG.

6 to 8 show the releasing means for releasing the movement of the rod inside the shift lever for operating the shift lock releasing mechanism, which constitutes the releasing mechanism of this embodiment.

In FIG. 6, a shift lever knob button 3 is provided on the grip portion 1 that is made on the upper portion of the shift lever L. The driver pushes the shift lever knob button 3 to move it in a substantially horizontal direction. The inner tip of the shift lever knob button 3 is an inclined surface 5, and an upper end inclined surface 9 of a rod 7 as a transmission member inside the shift lever is formed.
When the shift lever knob button 3 is pushed in, the rod 7 is pushed down against the urging force of the rod spring 13.

On the other hand, as shown in FIG. 1, the shift lever L
Can shift-change in the vehicle front-rear direction (direction of arrow S) from the P range (parking range) position to the L range position, and at the time of this shift change, a groove pin (also referred to as a detent pin) 15 is formed in the ddent plate 16 A detent mechanism that moves in 17 and in which the shift change operation is limited by the shape of the ddent groove 17 is configured. At the P range position, the grooved pin 15 enters the parking groove 17A,
The protrusion 17B prevents the shift lever L from moving to another shift position.

When the shift lever knob button 3 is pushed (FIG. 6), the rod 7 is pushed down, whereby the grooved pin 15 moves downward in the parking groove 17A from the state shown in FIG. The state shown in FIG. 3 has been reached, and the shift from the parking range to another range is possible. After that, by rotating the shift lever in the vehicle front-rear direction, the grooved pin 15 moves in the vehicle front-rear direction in the detent groove 17 and shifts to another range. The shift lever L is formed with an elongated hole that allows the grooved pin 15 to move up and down by a predetermined amount.

A shift lock plate 19 is provided along the ddent plate 16, and a grooved pin 15 in the parking range is accommodated in a lateral groove 19A of the shift lock plate 19. The shift lock plate 19 has two vertical slits 20a and 20b. Pins 22a and 22b fixed to the apparatus are inserted into the slits 20a and 20b, respectively, and only the vertical movement in FIG. 1 is allowed. It is composed.

Even if the shift lever L is in the parking range position, the predetermined condition is not satisfied, that is, if the key is moved from the LOCK position to the ON position and the engine is started, the brake is not pressed. As shown in FIG. 1, the solenoid 21 is not energized, the block-shaped stopper 25 is moved by the repulsive force of the compression coil spring 23 in the locking direction (the direction of arrow A) in the right direction in the figure, and the shift lock plate 19 moves downward. Prevent. When the brake is then depressed, the solenoid 21 is energized to move the stopper 25 through the moving shaft 21A in the releasing direction (arrow B direction) in the left direction in the figure as shown in FIG. 2, and the shift lock plate 19 moves downward. The movement prevention to is released.
Here, the solenoid 21 and the moving shaft 21A constitute an electric drive means.

Now, a releasing mechanism for mechanically releasing the shift lock when the solenoid 21 which is the electric driving means is not supplied with electricity, for example, when the battery is out of order, will be described. This releasing mechanism includes a releasing means 27 for releasing the deep movement of the rod 7 and a shift lock releasing mechanism 29 for mechanically releasing the shift lock by the deep movement of the rod 7.

In the shift lock release mechanism 29, as shown in FIG. 1, a pin 31 bored from the shift lock plate 19 is locked in an elongated hole 35 formed in a shift lock release plate 33. The long hole 35 is formed long in the vertical direction, that is, in the moving direction of the shift lock plate 19, and the length of the long hole 35 is the shift lock plate 19 accompanying the normal vertical stroke of the grooved pin 15 by pressing the shift lever knob button. Longer than the vertical movement length of.

The shift lock release plate 33 has a solenoid moving shaft 21A as shown in FIG.
There are formed two grooves 39, 41 with which the projecting action portion 37 having a U-shape in a side view and protruding laterally from the stopper 25 at the tip of is locked. 1 to 3 in which one groove 39 corresponds to the operating portion 37, the movement from the state of FIG. 1 in which the stopper 25 prevents the shift lock plate 19 from descending to the state of FIG. 2 in which it can descend. It has a depth that does not get in the way. In the state of FIG. 4 in which the other groove 41 corresponds to the operating portion 37, a shallow pressing portion that pushes back the operating portion 37 in the releasing direction (left direction in the drawing) to retract the stopper 25 from the movement track of the shift lock plate 19. Has become.
The depths of these grooves 39, 41 have a difference of dimension H (FIG. 4), and they are continuous in a gentle curve. In addition, when the operating portion 37 is located in either of the grooves 39 and 41, the operating portion 37 is provided with the groove 4 unless a force is applied from the outside to move the shift lock release plate 33.
The depth of the groove 41 that does not deviate from 1 is set. As a result, a holding means for maintaining the shift lock release plate 33 in a state of moving upward or downward is formed.

As shown in FIG. 1, the parking groove 17A
A release groove 17 </ b> C is formed in the groove 17 </ b> C so that the grooved pin 15 can be moved deeper than the groove depth in which the grooved pin 15 is arranged in the parking range. When the grooved pin 15 reaches the release groove 17C, the shift lock plate 19 lifted by the grooved pin 15 lifts the shift lock release plate 33 via the pin 31 so that the operating portion 37 corresponds to the groove 39 to the groove 41. Has become.

Further, the length of the long hole 35 is such that, as shown in FIG. 4, the grooved pin 15 descends in the parking groove 17A and gets over the projection 17B in a state where the groove 41 is engaged with the operating portion 37 as shown in FIG. When the pin 31 reaches a position where it can be moved to another shift position, the pin 31 pushes down the lower end portion of the elongated hole 35 so that the groove 39 corresponds to the operating portion 37. However, in this state, the lower end of the shift lock plate 19 has already moved below the upper end of the stopper 25, and even if the stopper 25 moves to the right by the urging force of the compression coil spring 23, the shift lock plate 19 moves up and down. Without restricting the movement, the grooved pin 15 can be shift-shifted to the right in FIG.

Next, the releasing means 27 for releasing the rod of the shift lever will be described with reference to FIG. That is, the releasing means 27 is provided by devising the structure of the shift lever knob button 3. That is, the shift lever knob button 3
Is constituted by a knob button first member 45 and a second member 43.

The knob button second member 43 is urged by the button spring 11 in the direction opposite to the pressing direction (arrow P direction), and has a through hole 49 through which the sleeve 47 having the inclined surface 9 at the upper end of the rod 7 penetrates. Have. An inclined surface 51 is formed on the upper side surface of the through hole 49.

The knob button first member 45 is slidable in the pressing direction with respect to the knob button second member 43.
One side of the second member 43 is inserted inside the second member 43. The knob portion second member 4 is formed by the engaging portion 53.
3. The knob button first member 45 is engaged with and fixed to each other. In this engaging portion 53, the engaging claw 55 protruding from the thin bottom surface of the knob button second member 43 enters into the through hole 61 of the knob button first member 45 and engages with the through hole edge portion to engage means. Are configured. The through hole 61 is adjacent to the through hole 59 via the partition 57. This through hole 61 is
In the state shown in FIG. 6 in which the shift lever button is not pushed, the knob button 3 opens outward from below. As shown by the imaginary line in FIG. 6, a rod-shaped tool 65 such as a driver is inserted through the through hole 61 and the engaging claw 55 is pushed up to disengage the first member 45 from the second member 43. And move the engaging claw 55 through the through hole 5 as shown in FIG.
9 can be engaged. For this purpose, the engaging claw 55
Above the above, a gap 67 is formed between the knob button second member 43 and the knob button first member 45. The thickness of the gap 67 is larger than the vertical length of the engaging claw 55. Further, the right side of the engaging claw 55 in the drawing becomes an inclined surface 55A portion, and if the first member 45 is strongly pushed in from the state of FIG. 8, it can be returned to the state of FIG. 6 again.

The inclined surface 51 of the knob button second member 43 is
In the normal state in which the projection 55 is engaged with the through hole 61, the projection 7 does not contact the rod 7 and the rod 7 moves through the through hole 4
9 has a certain distance, but in the state of FIG. 8 in which the knob button first member 45 protrudes from the grip portion 1 with respect to the knob button second member 43, the inclined surface 9 of the rod 7 moves to this inclined surface 51. It can rise significantly until it approaches.

The operation of this embodiment will be described below. That is, the operation for releasing the shift lock in the case of emergency in which electricity is not supplied to the electric drive means will be described.

If electricity is not supplied, the solenoid 21 which is an electric drive means does not work even if the brake pedal is depressed,
As shown in FIG. 1, the spring 23 moves the stopper 25 to the right in the figure, and the stopper 25 moves the shift lock plate 1.
The downward movement of 9 is blocked and the shift lock remains. Therefore, when the vehicle is towed, the shift lever has to be shifted from the parking range to another range, and the shift lock must be released.

Therefore, first, a rod-shaped tool 65 (FIG. 6) is inserted into the shift lever knob button 3 through the through hole 61, and the engaging claw 55 is pushed up. By this pushing up, the gap 67 is collapsed and the knob button second member 43 is bent upward.
Due to this bending, the engaging claw 55 is disengaged from the edge of the through hole.
When the engagement claw 55 is disengaged in this way, the knob button first member 45 with respect to the knob button second member 43 is gripped by the force of the rod spring 13 via the inclined surface 9 and the inclined surface 5 of the rod 7. 1 is moved in the protruding direction (or is moved by the force of other biasing means or the operating force of the occupant). This causes the rod 7 to move upward more than in the normal operating state.

By this movement, as shown in FIG. 4, the grooved pin 15 also deeply moves to the upper release groove 17C. Therefore, the shift lock plate 19 also largely moves upward. Then, the pin 31 of the shift lock plate 19 is attached to the long hole 35 of the shift lock release plate 33.
Is locked to the upper end of the shift lock release plate 33 and the shift lock release plate 33 is moved upward. By this movement, the two grooves 39 and 41 of the shift lock release plate 33 move upward relative to the operating portion 37 of the solenoid 21, and the operating portion 37 is located in the shallow groove 41. The groove 41 functions as a pressing portion and pushes the operating portion 37 back in the direction opposite to the shift lock direction (leftward in FIG. 4). Therefore, stopper 2
5 also moves to the left in the figure together with the operating portion 37, and the downward lock of the shift lock plate 19 is released.

Then, when the shift lever knob button 3 shown in FIG. 8 is pressed again, the rod 7 is lowered and the grooved pin 15 and the shift lock plate 19 are moved downward as shown in FIG. At this time, shift lock release plate 3
3 is moving from the state where the operating portion 37 of the solenoid 21 is engaged with the shallow groove 41 to the state where the operating portion 37 corresponds to the groove 39, and the lower end of the shift lock plate 19 is higher than the upper end of the stopper 25. It is moving down. After that, when the grooved pin 15 is further lowered, the groove 39 of the shift lock release plate 33 corresponds to the operating portion 37 and the shift lock release plate 33 returns. Therefore, the stopper 25 is in a state where the shift lock is released without hindering the lowering operation of the shift lock plate 19. Therefore, by rotating the shift lever, it is possible to shift from the parking range to another range (direction of arrow S in FIG. 5).

In order to return to the normal state after the lock is released when electricity is not applied, the convex portion 57 is engaged by strongly pressing the knob button first member 45 from the state shown in FIG. By overcoming the inclined surface 55a of the compound claw 55, the normal state can be easily restored.

As described above, this embodiment has the following effects. That is, by inserting the rod-shaped tool 65 into the through hole 61 of the shift lever knob button 3 and disengaging the knob button first member 45 from the knob button second member 43, the shift lever rod 7 is moved upward. Release, which allows shift lock release plate 3
3 can be moved upwards to push back the operating portion 37 of the solenoid 21 and release the shift lock, so that it is not necessary to press the shift lock release button 119 (FIG. 9) exposed in the vehicle compartment as in the conventional case. Therefore, it is not necessary to expose the shift lock release button 119 in the vehicle interior, and the degree of freedom in designing the vehicle interior is improved.

In the above embodiment, the releasing means 2
7 is provided by configuring the shift lever knob button 3 with the knob button second member 43 and the knob button first member 45, but the knob button second member 43 and the first member are not necessarily provided.
It is not necessary to provide the member 45, the movement amount of the shift lever knob button 3 with respect to the grip portion is limited by using a pin, and the pin 7 is removed when necessary to release the upward movement of the rod 7. Other configurations may be used.

Further, in the above embodiment, the rod 7 is moved downward by pressing the shift lever knob button 3,
When the shift lock is released, the rod 7 is released from the upward movement and the shift lock plate 19 and the shift lock release plate 33 are moved upward, but the above movement may be reversed. That is, when the shift lever knob button 3 is pressed, the rod 7, the shift lock plate 19, and the shift lock release plate 33 are moved upward and then a shift change operation is performed. When the shift lock is forcibly released, the rod 7 is moved downward. It is also possible to release the movement to and move downward. Further, the interlocking means used in the present invention uses the shift lock release plate as in the above-mentioned embodiment, and the movement of the grooved pin 15 in the direction opposite to the movement direction in the normal shift operation causes the movement force in the releasing direction of the stopper. The moving means may be any other moving force transmitting member such as a wire, a belt or a link. Also, a separate member for returning these interlocking means and the shift lock release plate to the original position may be arranged.

In order to move the stopper 25 of the above embodiment in the releasing direction, it is necessary to push the moving shaft 21A of the solenoid back into the solenoid 21 against the urging force of the compression coil spring 23. The moving shaft 21A and the compression coil are constituted by a plurality of parts with an elastic body interposed therebetween, and the stopper is retracted from the movement path of the shift lock plate 19 by bringing the plurality of parts closer to each other by contraction of the elastic body. Spring 23
The stopper may be moved to the release position without moving.

In the above embodiment, the shift lever knob button 3
Although the rod 7 is used as a transmission member for transmitting the occupant operating force to the detent mechanism such as the grooved pin, another transmission member such as a flexible wire may be used.

[0040]

As described above, according to the present invention, since the movement of the grooved pin deeper than the parking range position is transmitted to the stopper by the interlocking means, the shift lock can be mechanically released.

[Brief description of drawings]

FIG. 1 is a side view showing a shift lock releasing mechanism which constitutes a part of an embodiment of the present invention.

FIG. 2 is a diagram showing the operation of FIG. 1 and is a diagram showing a state in which a stopper is retracted by the action of an electric drive means.

FIG. 3 is a diagram showing the operation of FIG. 1 and is a diagram of performing a normal shift operation in a state where a stopper is retracted.

FIG. 4 is a view showing the operation of FIG. 1 and is a view showing a state in which a shift lock release plate has moved upward to release a shift lock.

5 is a diagram showing the operation of FIG. 1 and is a diagram of performing the shift operation after the shift lock release plate has worked. FIG.

6 is a vertical sectional view of a shift lever grip portion which constitutes a part of an embodiment of the present invention, and is a sectional view corresponding to the vertical sectional view of the shift lever portion in FIG. 1. FIG.

FIG. 7 is a view for explaining the operation of FIG. 6, and for explaining the operation for releasing the upward movement of the rod.

FIG. 8 is a diagram showing a state after release of FIG.

FIG. 9 is an exploded perspective view showing a relationship between a stopper and a shift lock release plate.

FIG. 10 is an overall schematic side view showing a conventional example.

[Simple explanation of symbols]

R shift lever 1 grip 3 Shift lever knob button 7 Rod (Transmission member) 13 Rod spring 15 Grooved Pin 17 Detent groove 17A Parking groove 19 Shift lock plate 21 solenoid 25 stopper 27 Release means 43 Knob button second member 45 Knob button first member (elastically deformable member) 55 Engaging claw (engaging means) 61 Through hole (engaging means) 65 tools

Continuation of the front page (56) References JP-A-5-178109 (JP, A) JP-A-5-180310 (JP, A) JP-A-8-40099 (JP, A) Actual development 3-81451 (JP , U) Actually open 61-115220 (JP, U) Actually open 6-45156 (JP, U) Actually open 6-1911 (JP, U) Actually open 62-16551 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B60K 20/00-20/08 F16H 59/10

Claims (2)

(57) [Claims] 1. An electric drive means operates at a parking range position of a shift lever under a predetermined condition so that an operating force for a shift lever knob button can be transmitted to a detent mechanism via a transmission member, and the detent mechanism is locked. Used for a shift lock device for releasing, when the electricity is not supplied to the electric drive means, the shift member is moved for a larger amount than the movement range of the shift change operation to release the shift lock mechanically. In the mechanism, a knob button first member that constitutes a part of the shift lever knob button and applies a driver's operating force to the transmission member at the time of shift change, and a first position from a first position with respect to the knob button first member. It is relatively movable to two positions, and in the first position the knob button first member is made to correspond to the transmission member, and in the second position A knob button a second member for moving larger than the moving range of the corresponding release gearshift transmission member, both members provided between the first member and the second member first
Engaging means for engaging and holding the position, releasing the engagement by an external operation to move both members to the second position, and being able to return to the first position by another external operation. The release mechanism of the shift lock device, which is characterized by: 2. The knob button first member and the second member are slidable relative to each other and are biased to a second position, the elastically deformable member is engaged and held at the first position, and the elastically deformable member is externally operated. 2. The release mechanism of the shift lock device according to claim 1, wherein the shift lock device is deformed to release the engagement and hold, and relatively moves to the second position.