JP3106899B2 - Shift lock device and method of assembling shift lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

FIELD OF THE INVENTION This invention relates to a shift lock is provided with a shift lock function and in a vehicle equipped with an automatic transmission and a key interlock function equipment and shift lock instrumentation
It relates to a method of assembling the location.

[0002]

2. Description of the Related Art In vehicles equipped with an automatic transmission, a shift lock mechanism for shifting to a driving range while a brake is being operated is widely used. In recent years, a key interlock mechanism for turning off the ignition key in a state shifted to the parking (P) range has been provided.

[0003] As an example of this type of lock device, an example of adopting it in a column type shift device is described in "Toyota Deliboy Manual". In this shift lock device, a control shaft pivotally operated by a shift lever is arranged along a steering column. An end (lower end) of the control shaft on the floor side and an end of the control shaft on the steering wheel side are provided. (Upper end) is provided with a lock mechanism. The lock mechanism at the lower end is configured so that the brake pedal and the lock pin are connected by a cable, and when the brake pedal is depressed, the lock pin is pulled out of the control shaft to allow rotation of the control shaft. The lock pin engages with the control shaft while the control shaft is rotated to the P range. Therefore, when shifting from the P range to another range, a brake operation is required.

Further, the lock mechanism at the upper end portion turns the key plate from the lock position to the accessory (ACC) position or the ON position so that the lock pin is disengaged from the shift device set in the P range. Is configured so that the key plate can be turned to the lock position in a state where the key plate is engaged with the shift device in the P range state. Therefore, when stopping the vehicle and removing the key plate from the key cylinder, it is necessary to turn the key to the lock position after setting the shift device to the P range,
As a result, it is ensured that the vehicle has shifted to the P range when getting off.

[0005]

As described above, the shift lock mechanism requires the brake operation and the turning operation of the ignition key to the ACC position or the ON position when shifting from the P range to another range. Mechanism,
Therefore, it is necessary to transmit the operation of the brake pedal and the operation of the ignition key to this shift lock mechanism. The key interlock mechanism uses a shift device
Since this mechanism permits operation of the key mechanism to the locked position by shifting to the range, it is necessary to transmit the operation of the shift device to this key interlock mechanism. Therefore, in the above-mentioned conventional apparatus, a control shaft which rotates integrally with the shift lever is arranged along the steering column, and lock mechanisms are provided on both upper and lower sides thereof.

[0006] Therefore, in the above-mentioned conventional apparatus, there are inconveniences such as an increase in the number of parts and an increase in cost and weight, such as a need for parts for connecting the lock mechanisms because the lock mechanisms are far apart. . In addition to the fact that two independent locking mechanisms are provided and a relatively long control shaft is required, the required space becomes large, and not only the shift lock device but also other components are installed. There is an inconvenience that the degree of freedom is restricted.

[0007] The present invention of the circumstances described above has been made against the background of a compact shift lock equipment and shift the aggregate and a shift lock mechanism and key interlock mechanism
It is an object of the present invention to provide a method of assembling a lock device .

[0008]

According to claim 1 in order to achieve the above Symbol object of SUMMARY OF THE INVENTION The invention is set a plurality of ranges including a parking range by the rotation operation of the shift lever on the outer peripheral side of the steering column tube A lock pin for selectively fixing a shift device to be set to a parking range setting state, the lock pin being engaged with the shift lever or a member interlocked with the shift lever to fix the shift device to the parking range setting state ;
Is connected by a cable to the pins, the mechanism for moving the engaged position in engagement with the lock pin on the shift lever or the member in disengaged position by depresses the blanking Rekipedaru, the locking pin is in the engaged position A link member that is engaged with the lock pin at one time to prevent the lock pin from moving to the disengaged position, and is prevented from engaging with the lock pin when the lock pin is at the disengaged position;
A key mechanism that allows operation to the lock position only when the link member is engaged with the lock pin . Further, according to the second aspect,
In addition to the configuration of claim 1, the cable may include
The inner cable and this inner cable are slidably housed.
And a hollow outer cable containing
Pin machine that can be brought into contact with the brake pin and the brake pedal
The structure is connected with the inner cable,
One end of the outer cable has the lock pin forward.
It is connected to the fixed part accommodated
The other end of the outer cable houses the pin mechanism.
Connected to another fixing portion, and the other fixing portion is connected to the outer
Sliding end of cable is slidably fitted and selectively gripped
Characterized by having a chuck mechanism that performs
is there. The invention according to claim 3 is the same as the structure of claim 1.
In addition, the shift device is provided on the shift lever.
Corresponding to the plurality of ranges,
A shift lever having a groove into which the detent pin enters.
The bar bracket is configured to move linearly,
One of the grooves corresponding to the parking range.
Make sure that the detent pin that comes in comes out of this groove.
A slide plate with a notch groove
It is formed in the slide plate, the lock Kupyn fitting
To lock the slide plate.
Hole and the notch of this slide plate
Outside the groove corresponding to the parking range of the lever bracket
Side of the slide plate.
And a ring. Ma
The invention according to claim 4 provides, in addition to the structure of claim 1,
Hollow housing parallel to the steering column tube
Is provided, and the lock pin is
Are housed so that they can move back and forth in the axial direction.
It is a sign. The invention according to claim 5 is a contractor.
In addition to the structure of claim 1, the steering column tube
And a hollow housing parallel to the
A lock pin housing with a receiving section is provided.
The lock pin is axially forwardly disposed in the hollow receiving portion.
It is housed so as to move backward, and in the other housing part
The link member moves back and forth toward the lock pin.
It is characterized by being housed in such a way.
According to a sixth aspect of the present invention, in addition to the structure of the first aspect,
When the lock pin is in the disengaged position, the link
Press the member to engage the link member with the lock pin.
It is characterized by having a spring that prevents
Is what you do. Further, the invention according to claim 7 is the invention according to claim
In addition to the configuration of 5, the steering column tube
A key cylinder that holds the key mechanism is attached
The steering wheel integrated with this key cylinder
The lock pin housing is attached to the upper bracket
It is characterized in that Also, billing
The invention according to claim 8 provides, in addition to the configuration of claim 2, the blur
A pedal bracket with an attached brake pedal is provided,
And this pedal bracket has stopper pin housing
With this stopper pin housing
Stopper pin on the brake pedal side inside the
The stopper pin how is accommodated movably.
Check that the chuck mechanism is formed at the rear end of the jig.
It is characterized by the following.

[0009] Also, the invention according to claim 9, in claim 8
In addition to the above configuration, the stopper pin has a closed circle at the tip.
It has a cylindrical shape, and a cable
The cable end is inserted to be able to move back and forth.
Between the end face and the inner surface on the distal end side of the stopper pin, and
The cable end and the storage
Pressure between each of the predetermined inner surfaces of the
A compression spring is arranged and said cable
Check that the outer cable is connected to the end
It is a feature. The invention according to claim 10
In addition to the configuration of claim 8, the chuck mechanism may
Formed at the rear end of the topper pin housing,
And a pair of chuck pieces divided by
With bolt holes and bolts for connecting
It is characterized by the following. Further, according to claim 11
According to the present invention, in addition to the configuration of claim 8, the chuck mechanism is provided.
Is formed at the rear end of the stopper pin housing.
Tapered screw and front in the stopper pin housing
The taper screw is formed in the axial direction at the part where it is formed.
Slit and the tapered nut screwed into the tapered screw.
And is provided. Also,
A twelfth aspect of the present invention provides a steering column tube.
The rotation of the shift lever on the outer circumference of the
Shift device to set multiple ranges including grange
Shift locking to selectively fix to the setting range of the working range
The method of assembling a lock device, wherein the shift lever or
Engages a member that is linked to the shift lever to
Lock pin to fix the parking range setting
Cable to the lock pin of the brake pedal
Operating the lock pin to shift the lock pin.
From the engaged position engaged with the bar or the member to the disengaged position
And a mechanism for moving the lock pin to the engagement position.
Is engaged with the lock pin and the lock pin is not engaged
Position and the lock pin is in the disengaged position.
In some cases, a ring that prevents engagement with the lock pin
Lock member and the link member are engaged with the lock pin.
A key mechanism that allows operation to the lock position only when
The inner cable and the inner cable.
Hollow outer being slidably accommodate Nake Buru
Cable and the lock pin and the brake pedal
Pin mechanism to be in contact with the dull
Therefore, while being connected, one of the outer cables is connected.
An end has a fixed housing for accommodating the lock pin movably back and forth.
To the fixed part and the other end of the outer cable
Is connected to another fixed portion that houses the pin mechanism.
The other fixing part slides on the end of the outer cable.
Equipped with a chuck mechanism that fits freely and selectively grips
And one end of the outer cable
With the gripping force of the chuck mechanism being weakened,
Lock the shift lever to the parking range position and
Position of the outer cable where the overall force relationship is balanced
In the length direction, and in that state
The outer cable is gripped by a chuck mechanism.
The outer casing with respect to the other fixing portion
Shift lock characterized by adjusting the length of the
How to assemble the lock device. The invention according to claim 13 is a contract
In addition to the structure of claim 12, the brake pedal is mounted.
Girder pedal bracket is provided and
The stopper pin housing is attached to the racket
With the inside of this stopper pin housing
A stopper pin is movably housed on the brake pedal side
The stopper pin housing has a front end at the rear end.
The chuck mechanism is formed and the outer
-Gripping force of the chuck mechanism on one end of the cable
With the gear set in the parking
Lock the outer cable to the
Position the stopper housing at a position where the relationship is balanced.
To move the outer cable back and forth.
It is characterized in that it is moved in the opposite direction. In addition,
The invention according to claim 14 includes, in addition to the structure of claim 12,
The stopper can be moved back and forth inside the stopper pin housing.
And the stopper pin is housed therein.
Is formed in a cylindrical shape with a closed end.
The cable end is inserted into the
Of the cable end and the end of the stopper pin
Between the inner surface and the rear end surface of the cable end
A predetermined inner surface of the stopper pin housing facing
Between each of the compression springs
Together, the outer cable to the cable end
Connected to one end of the outer cable.
With the gripping force of the chuck mechanism weakened,
Lock the shift lever to the parking range position
Due to the tension or compression force acting on the outer cable.
Connect the lever outer cable to the stopper housing
To move the outer cable back and forth.
It is characterized in that it is moved in the opposite direction. In addition,
The invention according to claim 15 includes, in addition to the structure of claim 12,
The chuck mechanism is located at the rear end of the stopper pin housing.
A pair of channels formed and divided by slits
And a bolt hole for connecting a pair of chuck pieces
A bolt and the outer cable
At the position where the overall force relationship is balanced.
Move the outer cable back and forth
After moving in the length direction, tighten the bolt
And the outer cable is connected to the stopper housing.
It is characterized in that it is fixed with respect to the battery. Ma
The invention according to claim 16 provides the configuration according to claim 12 in addition to the structure of claim 12.
Wherein the chuck mechanism is provided with the stopper pin housing.
A tapered screw formed at the rear end of the
A portion of the housing where the tapered screw is formed
The slit formed in the axial direction and the tapered screw
And a threaded tapered nut.
Position the outer cable so that the overall force relationship is balanced
By moving the stopper housing back and forth,
After moving the outer cable in its length direction,
The outer cable is tightened by tightening the
Is fixed to the stopper housing.
It is assumed that.

[0010]

The shift device to which the present invention is applied is of a so-called column type, and a predetermined range is set by rotating a shift lever on the outer peripheral side of a steering column tube. When the shift lever is in the parking range position, the lock pin is engaged with the shift lever or a member interlocked with the shift lever, and the rotation operation of the shift lever from the parking range position to another range position is prevented.

The lock pin is moved to a non-engagement position where the lock pin is released from the engaged state by depressing the brake pedal. A link member that is linked to the key mechanism is engaged with the lock pin. When the key mechanism is operated to a position other than the lock position, the lock pin is disengaged. That is, the lock pin can be moved to the disengaged position by both the operation of depressing the brake pedal and the operation of the key mechanism, and as a result, the shift lever can be rotated from the parking range position to another range position. become.

When the lock pin is at the non-engagement position, the link member is prevented from engaging with the lock pin. Therefore, the key mechanism connected via the link member is prevented from being operated to the lock position,
As a result, it is impossible to rotate the key mechanism to the lock position in a state where the key mechanism is shifted to a position other than the parking range,
Key interlock is performed.

According to the present invention, the lock pin is a component common to both the shift lock function and the key interlock function. Therefore, the number of components is small, and the whole is collectively arranged at one place. The configuration becomes compact.

Also, one end of the outer cable among the cables for transmitting the movement of the brake pedal to the lock pin,
If the shift lever is locked in the parking range position with the gripping force of the chuck mechanism weakened in order to grip by the chuck mechanism of the fixed part that houses the pin mechanism on the brake pedal side, the outer cable will Move to a position where the overall force relationship is balanced. If the outer cable is gripped by the chuck mechanism in that state, the length adjustment of the outer cable is completed. Therefore, the adjustment work becomes easy.

[0015]

Next, the present invention will be described based on embodiments. FIG. 1 is a schematic diagram showing the overall configuration of an embodiment of the present invention. A shift device 3 is provided at the upper end of a steering column tube 1, that is, at the end on the steering wheel 2 side. The shift device 3 has a conventionally known configuration, and includes a steering column tube 1.
A plurality of ranges including a parking range are selected by rotating a shift lever 4 extending in a radial direction from the vehicle.

In the vicinity of the shift device 3, a key cylinder 5 described later is provided.
A lock pin 6 for performing lock to the parking range and key interlock is provided. On the other hand, a pin mechanism 9 operated by the brake pedal 7 is provided on a bracket 8 to which the brake pedal 7 is attached. The pin mechanism 9 and the lock pin 6 are connected by a cable 10. In FIG. 1, reference numeral 11 denotes a bell crank for converting the rotational operation of the shift lever 4 into a linear operation and transmitting the linear operation to a manual valve (not shown).

The shift device 3 will be described first. Referring to FIGS. 2 and 3, a disk-shaped shift lever bracket 12 is attached to a predetermined position on the outer periphery of the steering column tube 1 by a predetermined fixing means such as welding. The shift lever bracket 12 has a retainer 1 having a disk-shaped flange portion and a cylindrical portion extending from the flange portion in a direction opposite to the shift lever bracket 12.
3 is attached by predetermined fastening means such as bolts.

An annular shift arm body 14 is fitted around the outer periphery of the cylindrical portion of the retainer 13 so as to rotate within a predetermined angle range. The shift lever 4 is attached to the shift arm body 14. It is mounted so as to protrude in the radial direction. A detent pin 15 that reciprocates in the axial direction of the shift lever 4 is provided at an end of the shift lever 4 on the side of the shift arm body 14 so as to protrude toward the shift lever bracket 12. The detent pin 15 is integrated with a block-shaped cable end 16 provided inside the shift lever 4, and can be moved back and forth by a cable 17 attached to the cable end 16.

The cable 17 is arranged inside the shift lever 4 along the axial direction, and its end is connected to a detent button 19 provided on a knob 18 at the end of the shift lever 4 by a predetermined link. They are connected via a mechanism (not shown). The cable end 16 is pressed in a direction in which tension is applied to the cable 17 by a spring 20 provided inside the shift lever 4. Therefore, by depressing the detent button 19 while holding the knob 18, the cable 17 is pulled toward the knob 18 via a link mechanism (not shown) to move the detent pin 15 outward in the radial direction of the shift lever bracket 12. ing.

A detent groove 21 is formed in the outer peripheral edge of the flange portion of the shift lever bracket 12 in a range where the detent pin 15 rotates together with the shift lever 4 as in the conventional device. The detent groove 21 is for requesting the operation of the detent button 19 when the range is switched, and the groove corresponding to the parking (P) range is provided with the detent pin 15.
Is formed as a small notch portion into which a hole enters. The groove defining the reverse (R) range is formed as a step adjacent to the P range position. The grooves defining the neutral (N) range and the drive (D) range are formed as arc-shaped notches cut inward in the radial direction from the steps defining the R range. Further, the groove defining the “2” range is formed as a step similar to the groove for the R range protruding outward in the radial direction from the groove defining the N range and the D range. The groove that defines the low (L) range is formed as a step that projects further outward in the radial direction than the “2” range groove.
Therefore, when the range is switched so that the detent pin 15 falls toward the center in the radial direction, the operation of the detent button 19 is unnecessary. On the other hand, in the case of the range switching in which the detent pin 15 moves outward in the radial direction. Requires that the detent button 19 be operated.

The bell crank 11 is a member bent substantially in an L-shape.
Is mounted so as to rotate about the center of the axis along the radial direction. At one end thereof, a pin 22 for attaching a cable (not shown) is protruded,
A long hole 23 is formed at the other end. The distal end of a shift arm 24 projecting from the shift lever body 14 is loosely fitted in the elongated hole 23 .

A slide plate 25 is disposed on the surface of the flange portion of the retainer 13 opposite to the surface on which the cylindrical portion is formed so as to be movable in the surface direction. The slide plate 25 has a lock position for preventing the detent pin 15 fitted in the P-range groove from coming out of the P-range groove, and an unlockable position where the detent pin 15 can move to a detent groove other than the P-range groove. It moves to the lock position and selectively blocks shift operation.
It is formed in the shape shown in FIG.

That is, the slide plate 25 is an elongated plate-like member having a distal end extending to the position of the P range groove, and has a circumferential opening at a position corresponding to the P range groove. A notched groove 26 is formed. The slide plate 25 has a pair of long holes 27.
Further, the pin 28 is guided in the same direction as the longitudinal direction of the P range groove. Note that the guide range, that is, the moving length of the slide plate 25 is
From the position where the notch groove 26 matches the bottom of the P range groove, P
The range is set within a range in which the range moves linearly between positions outside the open end of the range groove.

Further, a hook 29 is formed on the side edge of the other end of the slide plate 25, and one end of a tension spring 30 is attached thereto.
The tension spring 30 is disposed substantially parallel to the elongated hole 27, and the other end is attached to the retainer 13. Therefore, the slide plate 25 is urged in such a direction that the notch groove 26 at the tip thereof comes out of the P range groove. Further, a lock hole 31 which is a rectangular through-hole is formed near the hook portion 29 in the slide plate 25.

A key cylinder 5 is mounted on the steering column tube 1 adjacent to the shift device 3. The key cylinder 5 is used to turn on / off an ignition switch and an accessory switch.
F and a key mechanism for locking / unlocking the steering mechanism and performing a key interlock. The key mechanism is integrated with the steering upper bracket 32. Mounted on the other side.
The central axis of the key cylinder 5 is inclined at a predetermined angle with respect to the steering column tube 1.

This steering upper bracket 32
, A lock pin housing 35 having a hollow housing portion 33 parallel to the steering column tube 1 and another housing portion 34 intersecting the housing portion 33 is attached. The accommodation portion 33 of the lock pin housing 35 parallel to the steering column tube 1 is a hollow portion having a rectangular cross section whose center axis is aligned with the center of the lock hole 31 of the slide plate 25. 6 are accommodated so as to move back and forth in the axial direction.

An inner cable 37 is fixed to the rear end of the lock pin 6, and the end of an outer cable 38 that accommodates the inner cable 37 is
It is fixed to the opening end of the housing portion 33. Therefore, the lock pin 6 is moved back and forth by the inner cable 37 so as to protrude and retreat from the housing portion 33 toward the slide plate 25, and the distal end thereof is inserted into the lock hole 31 formed in the slide plate 25. The fitting is such that the slide plate 25 is fixed at the lock position.

The steering upper bracket 32
As shown in FIG. 5, a lock plate 39 and a compression spring 40, which move back and forth toward the lock pin 6, are housed in the other housing portion 34 in FIG. The lock plate 39 cuts off the tip of the lock pin 6 side at an acute angle,
A substantially L-shaped member having a rear end portion bent at approximately 90 degrees, the acute end portion of which faces the housing portion 33 for the lock pin 6, and the rear end portion of the key cylinder 5. It is housed in the housing part 34 in a state of being inserted inside.

The compression spring 40 is arranged inside the lock plate 39 between the rear end portion bent at substantially 90 degrees and a predetermined step portion of the steering upper bracket 32. Therefore, the lock plate 39 is pressed toward the rear end by the compression spring 40.

On the other hand, a cam 42 is provided inside the key cylinder 5 such that a projection 41 formed on the outer peripheral portion is in contact with the rear end of the lock plate 39. The cam 42 rotates together with a key mechanism (not shown) in the key cylinder 5 and more specifically with the key plate. When the key mechanism is turned to the lock position, that is, the key plate is moved to the key mechanism. The cam 4
2 is in the state shown in FIG. 5, and the projection 41 pushes the lock plate 39 to the most advanced position (engagement position).

An engagement groove 43 is formed at an intermediate portion in the longitudinal direction of the lock pin 6 so as to engage with an acute end of the lock plate 39. FIG. 6 shows the shape of the engagement groove 43 and the relative position with respect to the lock plate 39. That is, when the lock pin 6 is at the engagement position and its tip is fitted into the lock hole 31 of the slide plate 25, the engagement groove 43 and the tip of the lock plate 39 move The lock plates 39 can move forward so that the front ends thereof are engaged with the engagement grooves 43. When the distal end of the lock plate 39 is engaged with the engagement groove 43, the lock pin 6 is prevented from retreating, that is, to a position where the lock pin 6 is disengaged from the slide plate 25. I have.

On the other hand, when the lock pin 6 is retracted to a position where the lock pin 6 is disengaged from the slide plate 25, the tip of the lock plate 39 is
Since the engagement groove 43 and the discrepancy in the movement direction of advancement of the engagement position of the lock plate 39, locked Kupyn 6
Thus it is adapted to be arrested. Therefore, the rotation of the cam 42 that makes the projection 41 abut on the rear end of the lock plate 39 to the lock position is prevented.

Next, a pin mechanism 9 connected to the lock pin 6 via a cable 10 will be described with reference to FIG. This pin mechanism 9 is for transmitting the operation of the brake pedal 7 to the lock pin 6, and a cable end 44 attached to the end of the inner cable 37 forming a part of the cable 10 is used to close the tip. Is inserted movably back and forth inside the cylindrical stopper pin 45. The stopper pin 45 is housed in a stopper pin housing 46 attached to the pedal bracket 8 so as to protrude toward the brake pedal 7 by a predetermined dimension.

[0034] Also, between the distal end surface of the cable end 44 and the inner surface on the distal end side of the stopper pin 45, and between the rear end surface of the cable end 44 and a predetermined inner surface of the stopper pin housing 46 opposed thereto, Compression springs 47 and 48 are arranged. The spring constant of the compression spring 47 on the distal end side of the cable end 44 is set to a value larger than the spring constant of the compression spring 48 on the rear end side.

A portion of the brake pedal 7 facing the stopper pin 45 is provided with a pedal stopper 49 for bringing the stopper pin 45 into contact. At the rear end of the stopper pin housing 46, a chuck mechanism 50 for fixing the outer cable 38 forming a part of the cable 10 is formed. That is, at the rear end of the stopper pin housing 46, a cylindrical portion into which the end of the outer cable 38 is inserted is formed over a predetermined length.
A slit 51 is formed from an opening end of the cylindrical portion to a length of about half of the cylindrical portion. In addition, a pair of chuck pieces 52 divided by the slits 51 are formed with bolt holes 53 for connecting the two.

Accordingly, the outer cable 38 is inserted into the cylindrical portion with the chuck piece 52 opened, and in this state, the pedaling force of the brake pedal 7 is released, and the pedal stopper 49 is brought into contact with the stopper pin 45 and locked. Pin 6
Is fitted in the lock hole 31 of the slide plate 25, the outer cable 38 moves back and forth with respect to the stopper pin housing 46 by the tension or compression force acting on the outer cable 38, and the length is automatically adjusted. You. When the chuck piece 52 is tightened and closed by a bolt inserted into the bolt hole 53 in this state, the outer cable 38 is fixed to the stopper pin housing 46 with its length adjusted.

Next, the operation of the above-described shift lock device will be described. 2 to 5 show a state in which the P range is set, and the detent pin 15 enters the P range groove. As described above, the notch groove 26 of the slide plate 25 is positioned so as to coincide with the P range groove, so that the detent pin 15 enters the notch groove 26 and simultaneously moves the slide plate 25 to the lock position, that is, the notch. The groove 26 is pushed down to a position located on the bottom side of the P range groove.

In this state, the position of the lock hole 31 formed in the slide plate 25 and the position of the lock pin 6 coincide with each other. Therefore, the lock pin 6 fits into the lock hole 31 unless the brake is operated. Thus, the movement of the slide plate 25 is prevented. That is, the brake pedal 7
If the pedal is not depressed, the pedal stopper 49 provided on the brake pedal 7 presses the stopper pin 45 as shown in FIG.

[0039] Because the spring constant than the compression spring 48 of the rear end of the compression spring 47 on the distal end side of the cable-end 4 4 cable-end 4 4 at pin mechanism 9 is larger, the stopper pin 45 is pressed The cable end 44 is moved in a direction to compress a compression spring 48 on the rear end side. Therefore, the inner cable 37 connected to the cable end 44 is pushed, and as a result, the lock pin 6 attached to the other end of the inner cable 37 is
Pressed to the side. Then, the lock pin 6 is fitted into the lock hole 31.

[0040] Pressing the detent button 19 provided on the knob 18 of the shift lever 4 is in this state, exits from the P position groove by detent pin 15 is fitted to the notched groove 26 of the slide pre over preparative 2 5 The shift from the P range to another range is prevented.

When the lock pin 6 is in the forwardly engaged position, the engagement groove 43 is located on the front side of the lock plate 39. Therefore, when the key mechanism is rotated to the lock position, the lock plate 39 is pushed forward by the protrusion 41 of the cam 42, and the front end thereof is engaged with the engagement groove 43. As a result, the lock pin 6 is
9 prevents backward movement.

In the above-mentioned shift locked state, the rotation of the shift lever 4 from the P range position is caused by the rotation of the slide plate 25.
The movement of the slide plate 25 to the unlocked position is prevented by the lock pin 6, and the retreat movement of the lock pin 6 is prevented by the lock plate 39. Therefore, when rotating from the P range position to another range position, a brake operation and a key operation are required.

First, when the key mechanism is operated from the lock position to the accessory (ACC) position or the ON position, the cam 42 rotates clockwise in FIG. 5 and the projection 41 moves away from the rear end of the lock plate 39. The lock plate 39 is moved rightward in FIG. 5 by the compression spring 40. As a result, the distal end of the lock plate 39 comes out of the engagement groove 43 in the lock pin 6, and the lock pin 6 can be moved backward.

If the brake pedal 7 is depressed, the force pressing the stopper pin 45 rightward in FIG. 7 is released, and the cable end 44 fitted inside the stopper pin 45 compresses the rear end side. The spring 48 presses the stopper pin 45 toward the stopper pin 45, and as a result, the inner cable 37 is pulled. Therefore, this inner cable 3
The lock pin 6 attached to the slide plate 7 is moved backward, comes out of the lock hole 31 of the slide plate 25, and the slide plate 25 can be moved to the unlock position.

[0045] In this case, the elastic force of tension spring 30 in the slide plate 25 is acting in a direction to move to the unlocked position, the resilient force of the compression spring 20 in the shift device presses the Ditentopi down 15 Due to the strength, the slide plate 25 remains stopped at the locked position.

When the brake pedal 7 is depressed prior to the key operation, the stopper pin 45 is pushed by the compression spring 47 and protrudes toward the brake pedal 7. Since the lock plate 39 is engaged with the connected lock pin 6 and the backward movement is prevented, the lock pin 6 remains at the engagement position. When the key mechanism is rotated from the lock position to the ACC position or the ON position in this state, the lock plate 39 is pushed by the compression spring 40 and moves backward as in the case described above. Get off. Therefore, the function of preventing the lock pin 6 from retreating is released, so that the lock pin 6
Is moved backward by the elastic force of the compression spring 48 on the rear end side of the cable end 44 in the pin mechanism 9.

When the detent button 19 is pressed after the brake operation and the key operation are performed as described above, the detent pin 15 is pulled by the cable 17 and moves in a direction to get out of the P range groove, and at the same time, the slide plate 25 is moved. Move to unlock position. As a result, since the detent pin 15 comes out of the P range position, the shift lever 4 can be rotated from the P range position to another range position. Then, the slide plate 25 is held at the unlock position by the elastic force of the tension spring 30.

The case where the depressing operation of the brake pedal 7 is released while the shift lever 4 is being rotated to a position other than the P range position will be described. When the brake pedal 7 returns to the non-depressed position, the pedal stopper 49 becomes the stopper. The pin 45 is pressed. As a result, the cable end 44
And a force acts on the lock pin 6 via the inner cable 37 in the forward direction. However, since the lock hole 31 of the slide plate 25 is displaced from the distal end position of the lock pin 6, the lock pin 6 is 25, and further movement is prevented. Therefore, in the pin mechanism 9, only the compression spring 47 on the distal end side of the cable end 44 is compressed as shown in FIG. 7C, and the cable end 44 and the inner cable 37 connected to the cable end 44 are not compressed. Will not move.

Next, the key interlock function will be described. If the shift lever 4 is rotated to a position other than the P range position as described above, the slide plate 2
Since the lock pin 6 does not fit into the lock hole 31 since the lock member 5 has moved to the unlock position, the lock pin 6 is held at the non-engagement position. As a result, the engagement groove 43 formed in the lock pin 6 is located off the front position of the lock plate 39, so that the lock plate 39 has its tip end in contact with the side surface portion of the lock pin 6. It is prevented from moving to the most advanced position. Therefore, the protrusion 4 is provided at the rear end of the lock plate 39.
5 cannot rotate to the position shown in FIG. 5, and the key mechanism integral with the cam 42 cannot rotate to the lock position.

On the other hand, when the shift lever 4 is rotated to the P range position, the detent pin 15 enters the notch groove 26 in the slide plate 25 and fits into the P range groove together with the slide plate 25. I do.
That is, the slide plate 25 is moved from the unlock position to the lock position, and the lock hole 31 formed in the slide plate 25 coincides with the front position of the lock pin 6. Therefore, the compression spring 4 in the pin mechanism 9 is attached to the lock pin 6.
Since the elastic force of 7 acts, the lock pin 6 immediately moves forward and fits into the lock hole 31. As a result, the engagement groove 43 coincides with the front position of the lock plate 39, so that the lock plate 39 can be advanced, so that the key mechanism can be rotated to the lock position. In other words, the key device can be returned to the lock position only by operating the shift device to the P range position.

As described above, the lock pin 6 has a function of transmitting the operation of the brake pedal 7 to each of the shift device and the key mechanism, and is a component common to the shift lock function and the key interlock function. According to the device, the number of parts can be reduced and the structure can be simplified. In addition, a mechanism that performs the shift lock function and a mechanism that performs the key interlock function can be arranged in a state in which the mechanism is performed with the lock pin 6 at the center. can do. Further, since the lock pin 6 is the only member that affects the pedaling force of the brake pedal, the increase in the pedaling force of the brake pedal 7 is extremely small, so that the deterioration of the brake operability can be prevented.

In the embodiment described above, the lock pin 6
The example in which the lock plate 39 that slides in the surface direction is used as a member that links the key plate and the key mechanism has been described. However, in the present invention, a lock lever that rotates can be used instead of the lock plate 39.
An example is shown in FIG.

That is, the steering upper bracket 3
2, a lock lever 60 having a front end extending toward the lock pin 6 and a rear end extending toward the key cylinder 5 is rotatably held at an intermediate portion thereof. On the other hand, an engagement groove 61 that engages with the distal end of the lock lever 60 is formed in the intermediate portion of the lock pin 6. The length of the engagement groove 61 is set to be longer than the width of the distal end portion of the lock lever 60, and is set so that a predetermined gap is formed either before or after in the moving direction of the lock pin 6.

A pin 62 is provided inside the key cylinder 5 so as to move back and forth in the axial direction in accordance with the turning operation of the key mechanism. The rear end of the lock lever 60 is engaged with the pin 62, and the lock lever 60 is configured to rotate as the pin 62 moves back and forth.

FIG. 8A shows a shift lock state. When the key mechanism is set to the lock position, the pin 62 moves upward in the figure, and the lock lever 60 moves counterclockwise in FIG. Is rotated. As a result, the distal end portion of the lock lever 60 is in contact with the inner surface of the lock pin 6 on the distal end side of the engagement groove 61, thereby preventing the lock pin 6 from moving backward.

On the other hand, when the key mechanism is rotated to the ACC position or the ON position as shown in FIG. 8B, the pin 62 moves to the lower side in the figure, and the lock lever 60 moves clockwise. The rotation operation is performed, and a predetermined gap S is generated between the distal end portion and the inner surface on the distal end side of the engagement groove 61. That is, the lock pin 6 can be moved backward by the size of the gap S. Therefore, when the brake pedal 7 is depressed, the inner cable 37 and the cable end 44 attached to the tip end thereof have the elastic force of the compression spring 48. The lock pin 6 is pulled by the inner cable 37 and retreats accordingly. As a result, the tip of the lock pin 6 comes out of the lock hole 31 in the slide plate 25, and the slide plate 25 can be moved to the unlock position.

The lock pin 6 is connected to the slide plate 2
5, the distal end of the lock lever 60 comes into contact with the inner surface on the distal end side of the engaging groove 61, so that further rotation in the counterclockwise direction is possible. Will be blocked. That is, the pin 62 of the key mechanism
Cannot be moved to the upper side of the figure beyond a certain position, the key mechanism is prevented from being operated to the locked position, and the key interlock function is performed.

In the above-described embodiment, the chuck mechanism 50 for adjusting the length of the outer cable 38 is configured such that the end of the stopper pin housing 46 is tightened by a bolt inserted into the bolt hole 53. Then, a chuck mechanism configured as shown in FIG. 9 may be employed. That is, a tapered screw 63 is formed at the rear end of the stopper pin housing 46 shown in FIG. 9, and a tapered nut 64 is screwed into the tapered screw 63. The portion where the tapered screw 63 is formed is
It is divided by a slit 65 formed in the axial direction, so that the inner diameter of the tapered portion is gradually reduced by tightening the tapered nut 64.

With the structure shown in FIG.
If the brake pedal 7 is released while the brake pedal 4 is released and the shift device is operated to the P range state,
The outer cable 38 automatically moves relative to the stopper pin housing 46 and its substantial length is adjusted. Thereafter, by tightening the taper nut 64, the outer cable 38 can be fixed to the stopper pin housing 46 with the length adjusted.

In the above embodiment, the lock pin 6
Is engaged with the slide plate 25 and the shift lever P
Although the rotation is prevented from the range position, in the present invention, the lock pin 6 is directly engaged with the shift lever 4 or the shift arm body 14 to prevent the rotation from the P range position. Is also good. Further, the detent mechanism employed in the shift device according to the present invention is not limited to the one shown in the above-described embodiment, and various conventionally known structures can be employed.

[0061]

As described above, according to the shift lock device of the present invention, the lock pin for transmitting the operation of the brake pedal is a component common to the shift lock function and the key interlock function. The mechanism for the shift lock and the mechanism for the key interlock can be centrally arranged in the center, and as a result,
The number of parts can be reduced, and the size can be reduced to improve the degree of freedom of arrangement. In addition, since the influence on the pedaling force of the brake is small, it is possible to prevent the operability of the brake from being deteriorated.

Further, if the pin mechanism on the brake pedal side is provided with a chuck mechanism for selectively gripping the outer cable, the length of the outer cable can be easily adjusted, and the assembling property can be improved. .

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing an overall configuration of an embodiment of the present invention.

FIG. 2 is a partial sectional side view showing one embodiment of the present invention.

FIG. 3 is a partially omitted view of the apparatus according to the embodiment of the present invention as viewed from the steering wheel side along the axial direction of the steering column tube.

FIG. 4 is a diagram showing the shapes of the detent groove and the slide plate.

FIG. 5 is a sectional view showing a lock plate and a cam in a key cylinder.

FIG. 6 is a perspective view showing a lock pin and a lock plate.

FIG. 7 is a cross-sectional view showing a pin mechanism, (A) showing a state in which a brake pedal is depressed in a shift locked state,
(B) shows a state where the brake pedal is released in the P range, and (C) shows a state where the brake pedal is released in a range other than the P range.

FIG. 8 is a view showing a lock lever for fixing a lock pin.

FIG. 9 is a cross-sectional view illustrating an example of another chuck mechanism.

[Explanation of symbols]

 Reference Signs List 1 steering column tube 4 shift lever 6 lock pin 7 brake pedal 9 pin mechanism 25 slide plate 37 inner cable 38 outer cable 39 lock plate 46 stopper pin housing 50 chuck mechanism 60 lock lever

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60K 20/00-20/08 F16H 59/00-61/22

Claims (16)

(57) [Claims] 1. A shift lock device for selectively fixing a shift device for setting a plurality of ranges including a parking range to a setting state of a parking range by rotating a shift lever on an outer peripheral side of a steering column tube. A lock pin for engaging the shift lever or a member interlocked with the shift lever to fix the shift device in the parking range setting state, and a cable is connected to the lock pin by a cable.
Is connected, a mechanism for moving the engaged position in engagement with the lock pin on the shift lever or the member in disengaged position by depresses the blanking Rekipedaru, lock pin when said locking pin is in the engaged position And a link member for preventing the lock pin from moving to the disengaged position and preventing engagement with the lock pin when the lock pin is in the disengaged position; and And a key mechanism that allows operation to the lock position only when engaged with the shift lock device. 2. The method according to claim 1, wherein the cable is an inner cable,
Hollow shape that slidably accommodates this inner cable
Of and a outer cable, with the previous SL and pin mechanism is caused to abut against the lock pin and the brake pedal is coupled by the inner cable, one end of the A Songs over cable, housed freely back and forth movement of the locking pin And the other end of the outer cable is connected to another fixing part that houses the pin mechanism, and the other fixing part slides on the end of the outer cable. freely fitted allowed and selectively serial mounting of the shift lock device according to claim 1, characterized in that it comprises a chuck mechanism for gripping. (3) The shift device is provided on the shift lever.
Compatible with the provided detent pins and the multiple ranges
And a groove provided with the detent pin.
It is configured to move linearly with the
And the groove corresponds to the parking range.
The detent pin that has entered the groove
Slide plate with notched groove to prevent ejection
And the lock pin formed on the slide plate
Is fitted to fix the slide plate.
Lock hole and the notch of this slide plate
Compatible with the parking range of the shift lever bracket
Forward in the direction of the outside of the groove Energize the slide plate
2. A spring comprising:
The shift lock device according to item 1. (4) Parallel to the steering column tube
Is provided with a hollow receiving section.
The lock pin is housed so as to move back and forth in the axial direction.
The shift lock according to claim 1, wherein
apparatus. (5) Parallel to the steering column tube
Hollow housing section and the other housing section intersecting the housing section
A lock pin housing with
The lock pin moves back and forth in the axial direction in the hollow receiving portion
And the link is
Lock member moves back and forth toward the lock pin side.
2. The shift according to claim 1, wherein the shift is accommodated.
Trock device. 6. When the lock pin is in the disengaged position
Next, the link member is pressed to
Springs to prevent engagement of
The shift lock device according to claim 1, wherein: 7. The steering column tube
A key cylinder that holds the key mechanism is attached.
Steering wheel integrated with this key cylinder.
The lock pin housing is attached to the par bracket
The shift rod according to claim 5, wherein
Equipment. Claim 8. Pedal with the brake pedal attached
A bracket is provided and this pedal bracket
With the stopper pin housing attached,
The breaker inside the stopper pin housing
A stopper pin is movably housed on the key pedal side.
To the rear end of the stopper pin housing.
A lock mechanism is formed.
Onboard shift lock device. 9. The stopper pin is a closed circle at the tip.
It has a cylindrical shape, and a cable
The cable end is inserted to be able to move back and forth.
Between the end face and the inner surface on the distal end side of the stopper pin, and
The cable end and the storage
Pressure between each of the predetermined inner surfaces of the
A compression spring is arranged and said cable
End That the outer cable is connected to
The shift lock device according to claim 8, characterized in that: 10. The chuck mechanism includes a stopper pin
It is formed at the rear end of the housing and is separated by a slit.
Connect a pair of split chuck pieces and a pair of chuck pieces
And a bolt hole and a bolt for
9. The shift lock device according to claim 8, wherein: 11. The chuck mechanism includes the stopper pin.
A tapered screw formed at the rear end of the housing,
The taper screw is formed in the stopper pin housing
A slit formed in the axial direction in the portion that is
And a taper nut screwed into the taper screw.
9. The shift lock device according to claim 8, wherein: 12. Outer side of steering column tube
The parking lever by turning the shift lever
Parking shift device to set multiple ranges including
Shift lock device that selectively fixes to the setting state of the range
In the assembling method, the shift lever or the shift
The shift device is parked by engaging the members that
Lock pin to fix to grange setting state and this lock
Connected to the pin by cable and depress the brake pedal
The lock pin to shift lever
Or from the engaged position engaged with the member to the disengaged position
Mechanism when the lock pin is in the engagement position.
Is engaged with the lock pin and the lock pin is
When movement is blocked and the lock pin is in the disengaged position
Has a link member for preventing engagement with the lock pin.
And when the link member is engaged with the lock pin.
And a key mechanism that allows operation to the lock position only.
The cable is an inner cable and the inner cable
Cable that slidably accommodates cables
And the lock pin and the brake pedal.
The pin mechanism to be brought into contact with the inner cable
Connected to one end of the outer cable
Is a fixed portion that accommodates the lock pin so as to be movable back and forth.
And the other end of the outer cable is
Connected to another fixing portion containing the pin mechanism, and
Of the outer cable slidably fits the end of the outer cable
With a chuck mechanism for combining and selectively gripping Is
With the one end of the outer cable
With the gripping force of the chuck mechanism weakened,
Lock the bar to the parking range position and
-Position the cable at a position where the overall force relationship is balanced.
The chuck in this state.
By holding the outer cable by a mechanism,
And the length of the outer cable with respect to the other fixing portion.
Adjustment of the shift lock device
Assembly method. Claim 13 Pedal with the brake pedal attached
And the pedal bracket
With the stopper pin housing attached to
Next, the block inside the stopper pin housing is
Stopper pin is movably housed on the rake pedal side
The stopper pin housing at the rear end.
Lock mechanism is formed and the outer casing
The gripping force of the chuck mechanism on one end of the
With the shift lever in the parking range position.
To lock the outer cable in the overall power relationship.
Forward against the stopper housing in the balanced position
And move the outer cable in its length direction.
The shift rod according to claim 12, wherein the shift rod is moved.
Method of assembling the lock device. 14. Inside the stopper pin housing
A stopper pin is housed so that it can move back and forth,
The stopper pin has a cylindrical shape with a closed end.
The cable end moves back and forth inside this stopper pin.
The cable end can be freely inserted
Between the top end of the topper pin and the cable
And the stopper pin housing facing the rear end face of the
Compression springs between each
Are arranged, and the cable end is
The outer cable is connected and the outer cable
The gripping force of the chuck mechanism on one end of the
With the shift lever in the parking range position.
To the outer cable.
Or by compressing the outer cable
By moving it back and forth with respect to the
Cable that moves the cable in its length direction.
13. The method for assembling the shift lock device according to claim 12. 15. The chuck mechanism includes a stopper pin
At the rear end of the housing Formed and separated by slits
Connect a pair of split chuck pieces and a pair of chuck pieces
Bolt holes and bolts
Position of the outer cable where the overall force relationship is balanced
And moved back and forth with respect to the stopper housing,
After moving the outer cable in its length direction,
Tighten the bolt to move the outer cable forward.
Characterized by being fixed to the stopper housing.
The method for assembling the shift lock device according to claim 12. 16. The chuck mechanism includes the stopper pin.
A tapered screw formed at the rear end of the housing,
The taper screw is formed in the stopper pin housing
A slit formed in the axial direction in the portion that is
And a taper nut screwed into the taper screw.
In both cases, the outer cable
To the stopper housing
And move the outer cable in its length direction.
After tightening the taper nut,
Secure the cable to the stopper housing.
13. The shift lock device according to claim 12, wherein
Installation method.