JPH11278086A - Shift operation device for automatic transmission - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shift operation device for an automatic transmission excellent in workability and safety and improve riding comfort inside a car room. SOLUTION: This device has a support holder 11 installed and supported on a steering support beam separately and independently of a steering device, a shaft 20 for shifting having a revolving central axis roughly in parallel with a steering shaft and supported on the support holder 11 free to revolve, an operation lever 28 provided on one end of this shaft 20 for shifting, a lever work conversion mechanism to convert work of the operation level 28 to work of the shaft 20 for shifting, a shaft work conversion mechanism to convert work of the shaft 20 for shifting to movement for transmission work control, and an oscillating range regulation part to regulate an oscillating range of the operation lever 28.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shift operation device for an automatic transmission used in an automatic transmission mounted on a vehicle.

[0002]

2. Description of the Related Art Automatic transmissions, for example, automatic stepped transmissions (A
T), a vehicle equipped with a continuously variable transmission (CVT), etc.
2. Description of the Related Art A so-called column-type speed change operation device in which a speed change operation device is provided on a steering column to secure an effective space in a vehicle compartment and improve comfort is developed and widely used. As a prior art relating to this type of column type shift operation device, there is, for example, Japanese Patent Application Laid-Open No. 147452/1993.

A shift operating device disclosed in the prior art includes a shift arm coaxially and rotatably mounted on an upper steering column that tilts with a steering wheel during a tilt operation that swings up and down. An operating lever coupled to the shift arm for rotating the shift arm, and the shift arm being attached to the upper steering column so as to be rotatable about an axis substantially perpendicular to its axis and the tilt center axis. And a bell crank that transmits the rotation of the push-pull cable to a push-pull cable extending forward near the tilt center axis.

When the shift lever is rotated by a set amount around the axis of the upper steering column by operating the operation lever by the set amount, the bell crank is rotated by the set amount, and the push-pull cable is moved by the set amount in the front-rear direction. Switch the automatic transmission.

[0005] Further, when the tilting operation is performed in the vertical direction, the operating lever, the shift arm, the bell crank, etc., perform the tilting operation integrally with the upper steering column, but the bell crank is substantially aligned with the axis of the upper steering column and the tilt center axis. The automatic transmission is switched, with the push-pull cable hardly moving in the front-rear direction because the bell crank and the push-pull cable are connected near the tilt center axis, so that it can be rotated around the orthogonal axis. It does not affect the operation.

Further, as a prior art for disposing a shift operation device of a transmission on an instrument panel, there is, for example, Japanese Utility Model Laid-Open No. 30824/1985.

According to this prior art, a support having a cylinder is provided on a reinforcing member in an instrument panel, a lever shaft is supported on the cylinder so as to be rotatable or movable in an axial direction, and a support bracket is provided at a rear end of the lever shaft. Is fixed.

Then, one end of the operation lever of the support bracket is fixed, and the operation lever is bent obliquely upward to form an operation portion. On the other hand, the support bracket is provided with a pivot extending in the vehicle width direction. While pivoting the arm,
The bell crank is swingably supported on a pivot provided on the support.

A shift arm is connected to one end of the bell crank and a shift cable is locked to the other end so that the operation direction of the operation portion of the operation lever is substantially in the left-right direction of the vehicle.

[0010]

[Problems to be solved by the invention]

[0011]

According to the above-mentioned prior art, Japanese Patent Laid-Open No. 147452/1993, it is coaxially and rotatably mounted on an upper steering column which tilts together with a steering wheel during a vertical tilt operation. Since the operation lever is connected to the shifted arm, the operation portion at the tip of the operation lever does not become far from the center of the column, and operability is improved.

However, since many components such as an operation lever, a shift position plate, and a shift arm of the speed change operation device are supported by the steering column, the periphery of the steering column becomes complicated, and when the assembly and maintenance are performed. Work space is limited, which is not preferable in terms of workability. In addition, when the interior of the engine compartment and the interior of the vehicle are partitioned, it is difficult to secure a crash stroke between the steering wheel and the toe board due to the interposition of a speed change operation device between the toe board and the steering wheel, and a collision involving the retreat of the toe board. In this case, there is a possibility that the function of a so-called shock absorbing steering column for preventing the steering wheel from projecting to the rear, that is, the interior of the vehicle, may be obstructed by the shift operation device.

On the other hand, the latter prior art, Japanese Utility Model Laid-Open No. 60-30
In Japanese Patent No. 824, a space can be secured in front of the steering wheel because the gearshift operating device is disposed on the instrument panel.

However, a supporting member having a cylindrical body is provided on a reinforcing member in the instrument panel, and a supporting bracket is fixed to a rear end of a lever shaft supported to be rotatable or axially movable on the cylindrical body. The shift lever is fixed to one end of the operation lever, and the shift arm is pivotally supported on the pivot provided on the support bracket, and the shift cable is locked to the bell crank supported by the pivot, thereby increasing the space occupied by the transmission operation device. The cabin space is limited, which is not preferable in terms of livability. In particular, this is remarkable in a light vehicle having a limited interior space.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a shift operation device for an automatic transmission which is excellent in workability and safety and which can improve the comfort in a vehicle compartment. .

[0016]

According to the present invention, there is provided a shift operating device for an automatic transmission which achieves the above object, and comprises a support holder which is mounted on a body member independently of a steering device and a steering shaft. A shift shaft having a parallel center axis and rotatably supported by the support holder, an operation lever provided at one end of the shift shaft, and an operation of the operation lever being an operation of the shift shaft. A lever operation conversion mechanism for converting, a shaft operation conversion mechanism for converting the operation of the shift shaft into a movement for transmission control, and a swing range regulating portion for regulating the swing range of the operation lever. I have.

Therefore, since the speed change operation device is arranged separately and independently from the steering device, a work space for assembly and maintenance is easily secured, and the workability is excellent, and the crash stroke between the toe board and the steering wheel is improved. And the safety is greatly improved, and the occupied space is extremely small because each rotating component of the speed change operation device is rotatably disposed on a central axis line that is disposed substantially parallel to the steering shaft. Improved livability is obtained.

Further, by supporting the speed change device on a rigid steering support beam, it becomes possible to mount the speed change device firmly, thereby suppressing vibrations of the speed change device and the like.

More specifically, the shift shaft is provided with an inner shaft insertion hole having a center axis substantially parallel to the steering shaft, and a substantially cylindrical outer shaft rotatably supported by the support holder. And an inner shaft inserted into the inner shaft insertion hole and supported so as to be rotatable or movable in the center axis direction. The lever operation conversion mechanism is separated from the center axis of the outer shaft, and is substantially side view. A rotating shaft having an orthogonal axis and supporting the central portion of the operating lever on the outer shaft, and an operating lever engaging portion formed on the inner shaft and engaged with the tip of the operating lever. Is done.

The swing range restricting portion is provided on the inner shaft and has a tip protruding through the outer shaft, and a guide provided on the support holder and having a plurality of select positions for restricting the movement of the guide pin. And a member.

The shaft operation converting mechanism includes a shift arm formed with an engaging portion and a select cable supporting portion and pivotally supported by a support holder, and a shift arm provided on the outer shaft and having a distal end engaged with the shift arm. And a swinging member which is engaged with the portion so as to transmit power.

[0022]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of a shift operation device for an automatic transmission according to the present invention.

FIG. 1 is a plan view of a main part for explaining the outline of the speed change operation device 10, and FIG. 2 is a side view of the main part.

In the drawing, reference numeral 1 denotes a steering support beam having both ends erected and supported by a vehicle body component member, for example, a front pillar (not shown). Reference numeral 2 denotes a toe board for partitioning the inside of the engine chamber and the vehicle compartment. Is an instrument panel.

A steering device 4 is provided so as to bridge the steering support beam 1 and the toe board 2. The steering device 4 has a steering shaft 7 having a base end connected to a steering gear box (not shown) penetrating the toe board 2 and a steering wheel 6 provided at the other end. And is mounted and supported on the steering support beam 1 and the toe board 2 via the steering mounting brackets 8a and 8b.

Various operating devices such as a turn signal operating lever 9a, a wiper operating lever 9b, and an ignition key 9c are mounted and supported on the steering column 8.

The steering support beam 1 is provided with a speed change device 10 which is separated from the steering device 4 and is substantially parallel to the steering shaft 7 via a mounting bracket 10a.

FIG. 3 is a sectional plan view of a main part of the transmission operating device 10, FIG. 4 is a side view, FIG. 5 is a front view from the direction of arrow A in FIG. 3, and FIG. As shown in the enlarged view, a support holder 11 including a main holder 12 and a sub holder 13 is provided.

The main holder portion 12 is made of synthetic resin or die-cast, and has a shaft insertion hole 12a having a center axis substantially parallel to the center line of the steering shaft 7.
Is substantially cylindrical through which the mounting bracket 10 is attached by bolts or the like to the base end located on the front side of the vehicle body.
a mounting support portion 12b for mounting and supporting the
Further, the select cable support bracket 13 is attached by bolts and nuts.

A shift arm support 12c is formed in the vicinity of the front end of the main holder 12 on the rear side of the vehicle body, that is, in the axial center of the support holder 11, and a shift pin support 12c is formed in the horizontal direction. Further, the sub holder mounting portion 12e is formed to bulge further below.

Further, the mounting support 1 of the main holder 12
A shift lock cable supporting portion 12f protrudes between the guide pin 2b and the guide pin protruding hole 12d, and a detent device 32 configured with a detent plate 33 at a distal end thereof to give a moderation to each operation is provided. A constituent day tent regulating unit 34 is provided.

On the other hand, the sub holder 13 has a cylindrical shaft support 14 having a shaft insertion hole 14a and a knee guard 15.

The knee guard 15 is shown in FIG.
As shown in a plan view of FIG. 3, a side view in FIG. 8, and a front view in the direction of arrow B in FIG. 8 in FIG. 8, the flange portion 16b is welded from above the shaft support portion 14 to the side. A mounting portion 16a extending in the horizontal direction with a substantially U-shaped cross section, and a relatively narrow flat plate extending downward from the mounting portion 16a and having a smoothly bent lower end, serving as an energy absorbing portion. Mounting member 16 having a substantially L-shape and a base 17 extending in a substantially horizontal direction.
a of the connecting portion 17b and the base portion 17 formed in a step shape at the front end of
The attachment support member 1 is formed by bending an L-shape on the side of
6 is provided with a fragile support portion 17c serving as an energy absorbing portion opposed to the support portion 16c of the mounting support portion 16 via the shaft support portion 14, and the upper end is further bent to form the mounting portion 1 of the mounting support portion 16.
It has a connecting member 17 formed by a mounting portion 17d overlapping with 6a.

The front end is connected to the sub holder attaching portion 12e of the main holder portion 12 via the connecting portion 17b,
A base portion 17 whose rear portion is supported by the shaft support portion 14 by the support portions 16c and 17c and covers the lower portion of the support holder 11
The knee guard 15 is constituted by a.

Accordingly, by connecting the sub holder mounting portion 12e of the main holder portion 12 and the connecting portion 17b of the sub holder 13 with bolts or the like, the main holder portion 12a and the shaft insertion holes 12a and 14a are positioned coaxially. The main holder 12 and the sub holder 13 are integrated by the knee guard 15 to form the support holder 11.

Each shaft insertion hole 12 of the main holder portion 12 and the sub holder portion 13 constituting the support holder 11
A shift shaft 20 that penetrates rotatably is disposed in each of the shift shafts 20 and 14a.

The shift shaft 20 has flanged sleeves 21a, 21b, 21c, 2c arranged at both ends of a shaft insertion hole 12a formed in the main holder portion 12 and both ends of a shaft insertion hole 14a of the sub holder portion 13, respectively.
1d, is rotatably supported, and is axially movable and rotatably fitted into a substantially cylindrical outer shaft 22 and an inner shaft insertion hole 22a penetrating along the axis of the outer shaft 22. The inner shaft 23 is provided.

At the base end of the cylindrical outer shaft 22, a flange 22b which comes into contact with the flanged sleeve 21a and a screw end 22c are formed at the base end of the inner shaft insertion hole 22a. A long guide pin insertion hole 22d extending along the axial direction is opened corresponding to the guide pin protrusion hole 12d of the holder portion 12.

The flanged sleeve 21 is further provided at the tip of the outer shaft 22 protruding from the sub-holder 13.
c and a large-diameter boss portion 22 which cooperates with the flange 22b to restrict the axial movement of the outer shaft 22.
e is formed, and an operation lever insertion hole 22f for allowing insertion of the distal end 28a of the operation lever 28 is opened, and a shift lever support portion 22g having a substantially U-shaped cross section is protruded. The tip of the inner shaft insertion hole 22a is closed by a closing member 22h.

The inner shaft 23 fitted into the inner shaft insertion hole 22a of the outer shaft 22 has a large-diameter base-end-side sliding portion slidably fitted at both ends to the inner peripheral surface of the inner shaft insertion hole 22a. 23a and tip side sliding portion 23b
And a guide pin insertion hole 22d and a guide pin protrusion hole 12d, the base end of which is fixed to the base end side sliding portion 23a and the front end of which is open to the outer shaft 22 and the main holder portion 12. And has a guide pin 27 projecting outward.

The outer shaft 2 is attached to the tip side sliding portion 23b.
The operation lever engaging portion 23 is engaged with the distal end 28a of the operation lever 28 in opposition to the operation lever insertion hole 22f opening to the second side.
c is formed by a through hole or a tapered hole continuously formed at one end of the through hole.

The center of the operation lever 28 is rotatably provided by a rotation shaft 28b provided on an operation lever support portion 22g protruding from the outer shaft 22 and having an axis substantially perpendicular to the center line of the outer shaft 22 in a side view. The part is pivotally supported to form a lever operation conversion mechanism that converts the operation of the operation lever 28 to the operation of the shift shaft 20.

The inner shaft 23 is fitted into the inner shaft insertion hole 22a, and the top and bottom ends of a bolt 24 screwed into a screw portion 22c formed at the base end of the inner shaft insertion hole 22a. The outer shaft 22 is spring-loaded between the outer shaft 22 and the outer sliding portion 23a.
, I.e., in the direction of the closing member 22h.

The other end of the operation lever 28 pivotally supported by the rotation shaft 28b projects from the through-hole 3a formed in the instrument panel 3 into the vehicle interior, and furthermore, substantially horizontally along the front surface of the instrument panel 3. An operation grip 29 is provided at the top end thereof.

Therefore, the operation grip 29 is swung up and down about the axis of the outer shaft 22 so that the outer shaft 2 supported by the support holder 11 via the sleeves 21a, 21b, 21c and 21d with flanges.
The inner shaft 23 rotates about the axis of the outer shaft 22 together with the guide pin 27 fitted in the guide pin insertion hole 22 d opened in the outer shaft 22, and the operation grip 29 is pulled up. 28 swings about a rotating shaft 28b,
a pushes the inner shaft 23 toward the base end thereof against the spring 25 along the inner shaft insertion hole 22 a of the outer shaft 22, and releases the pulling up of the operation lever 28. Operates to return to the distal direction.

Further, there is provided a guide member 30 serving as a swing range restricting portion for restricting the operation range of the operation lever 28 together with the guide pin 27. The guide member 30 has a substantially arc-shaped or C-shaped cross section, and as shown in FIG. 10 along the line CC in FIGS. 3 and 4, the main holder portion 12 extends along the distal end side of the guide pin protrusion hole 12d. Is attached to the outer periphery of the vehicle by bolts or the like.

As shown in an exploded view in FIG. 11, the base end of the guide member 30 restricts the movement of the guide pin 27 in accordance with each select position, for example, a parking position P, a reverse position R, and a neutral position. Each select position of the position N, the drive position D, and the Ds position Ds is provided in a row. A protruding portion 30a is provided between the parking position P and the reverse position R. The protruding portion 30a protrudes in the base end portion side direction. And a Ds position Ds with respect to the neutral position N and the drive position D is formed on the base end side via the regulating portion 30c.

Further, the main holder 12 which is separated from the main holder 12
6 and FIG. 12 show a cross section taken along a line D-D in FIG. 12 between the front end of the shaft holder 14 and the base end of the shaft support 14 of the sub holder 13.
As shown in FIG. 7, a day tent plate 33 constituting a shaft operation conversion mechanism for converting the operation of the outer shaft 22 into a movement for controlling the transmission together with a shift arm 36 described later is fixed to the outer shaft 22.
3 and the day tent control unit 34
2.

The detent plate 33 extends in a substantially horizontal direction and has a spherical tip 33a formed at the top end thereof, and has an arc-shaped edge centered on the axis of the outer shaft 22 at each shift position. A plurality of recesses 33b are formed correspondingly.

On the other hand, the detent regulating portion 34 provided at the tip of the main holder portion 13
The roller 3 is movably fitted into the insertion hole 34a, the roller 34b, and the insertion hole 34a formed along the
Roller supporting portion 34c supporting roller 4b, roller supporting portion 34
c, a spring 34d for pressing the roller 34b against the concave portion 33b of the detent plate 33, and selectively pressing the roller 34b into the plurality of concave portions 33b of the detent plate 33,
3 is held in each shift position with moderation.

The shift arm supporting portion 12c protruding from the main holder portion 12 includes a shift arm supporting portion 12c shown in FIGS.
As shown in FIG. 0, a central portion of the shift arm 36 is rotatably supported by a shift arm support shaft 35 provided so as to project in a substantially horizontal direction.

The shift arm 36 is formed in a substantially L-shape when viewed from the side, and an engagement portion 36a is formed at one end of the shift arm 36. The engagement portion 36a is slidably fitted with the spherical tip portion 33a of the detent plate 33. And the other end of the select cable support portion 36
b is formed and connected to the shift control device by the select cable 51.

Therefore, the operation lever 28 is swung to move from the parking position P to the reverse position R or the reverse position R.
The switching operation from the parking position P to the parking position P is performed by the operation lever 28.
In the state in which the lifting of the guide lever 27 is released, the guide pin 27 abuts on the protruding portion 30a, which is not possible. The guide pin 27 can be moved by releasing the contact with the protruding portion 30a by moving it toward the proximal end side against the bias of the spring 25, so that the operation lever 2 can be moved.
A shift arm in which the detent plate 33 provided on the outer shaft 22 rotates with the swing of the shaft 8 and the tip 33a swings, and the engaging portion 36a engages with the swinging tip 33a. The swing arm 36 swings around the shift arm support shaft 35, and the swing operation is performed by the swingable select cable support portion 36 b via the select cable 51.

Similarly, the switching operation from the reverse position R to the neutral position N can be performed in a state in which the lifting of the operation lever 28 is released, but the switching operation from the neutral position N to the reverse position R is restricted by the guide pin 27. Part 30
When the operation lever 28 is pulled up and the guide pin 27 is moved to the base end side, the contact with the restricting portion 30b is released and the switching becomes possible.

Further, the switching operation from the drive position D to the Ds position Ds cannot be performed because the guide pin 27 abuts on the regulating portion 30c, but the operation lever 28 is pulled up to move the guide pin 27 to the base end side. By the movement, the contact with the regulating portion 30b is released, and the switching becomes possible.

On the other hand, the switching operation from the Ds position Ds to the drive position D is possible in a state where the lifting of the operation lever 28 is released, and the switching operation between the neutral position N and the drive position D is performed by the operation lever 28. Is always possible without the need for a lifting operation.

Further, a shift lock mechanism 40 is provided as shown in FIG. 3, FIG. 10, and FIG.

The shift lock mechanism 40 includes the guide member 30
A lock plate 42 rotatably supported by a lock plate support shaft 41 provided on the
Is a substantially sector shape having the lock plate support shaft 41 as a swing center. When the switching operation is performed from the reverse position R to the parking position P in a state where the guide pin is opened at a position indicated by a two-dot chain line in FIG. The insertion of the guide pin 27 moved to the base end by lifting the guide pin 27 is allowed, and the guide is moved when the guide pin 27 is moved to the distal end by releasing the operation lever 28 with the guide pin 27 inserted. The guide pin 2 includes an engagement groove 42a with which the pin 27 is engaged.
The lock plate 42 rotates to the guide pin lock position indicated by the solid line in accordance with the shift of the lock 7 toward the distal end.

Further, a lock portion 42b is formed at one end of the lock plate 42, and a push-pull cable 44 for connecting the brake pedal (not shown) and the speed change device 10 is provided. One end of the push-pull cable 44 is supported by 12f, and the tip of the inner cable 44a is formed so as to be able to protrude and retract.

When the brake pedal is released, the end of the inner cable 44a projects and engages with the locking portion 42b of the lock plate 42 at the guide pin lock position to hold the lock plate 42 at the guide pin lock position. On the other hand, when the brake pedal is depressed, the tip of the inner cable 44a is retracted, the engagement with the locking portion 42b of the lock plate 42 is released, and the lock plate 42 is rotated to the guide pin releasing position by the spring 45. It is configured as follows.

Next, the shift operation device 1 configured as described above.
The operation of 0 will be described.

In the parking (P) state, the guide pin 27 provided on the inner shaft 23 is located at the parking position P of the guide member 30 as shown by 27p in FIGS.
Is held at the guide pin lock position by the distal end of the inner cable 44a of the push-pull cable 44 which engages with the locking portion 42b.
The guide pin 27 is maintained at the parking position P by 2a.

From the parking position P to another select position,
For example, to switch to the reverse position R or the drive position D, the brake pedal is first depressed, and the inner cable 44a of the push-pull cable 44 is retracted as shown by the solid line in FIG.
The engagement between the locking portion 42b and the inner cable 44a is released to allow the lock plate 42 to rotate.

Subsequently, the operating lever 28 is pulled up, and is provided on the inner shaft 23 urged by the spring 25 via the distal end 28a of the shift lever 28, the operating lever engaging portion 23c into which the distal end 28a is fitted, and the like. By moving the guide pin 27 from the distal end of the protruding portion 30a to the distal end side, the lock plate 42 is swung to the guide pin open position as shown by a two-dot chain line in FIG.
When the operation lever 28 is in the reverse position R and the neutral position N
Alternatively, the end portion 33a of the detent plate 33 is swung via the outer shaft 22 with the swing of the operation lever 28, and the engaging portion 36a is engaged with the end portion 33a. The arm 36 is swung, and the transmission is switched by the select cable support portion 36b via the select cable 51 and the shift control device.

Similarly, the switching operation from the neutral position N to the driving position D or the switching operation from the driving position D to the neutral position N is performed by changing the positions of the guide pins 27 in FIGS. 10 and 11 as indicated by 27n and 27d. The operation of switching from the neutral position N to the reverse position R is performed while the guide pin 27 from which the lifting of the operation lever 28 has been released is maintained at the distal end side. Is pushed down to the base end side to avoid contact between the guide pin 27 and the restricting portion 30b.
The switching operation to s is performed by pulling up the operation lever 28.
The guide pin 27 located at 7d is pushed down toward the base end to avoid contact between the guide pin 27 and the restricting portion 30c.
This is done by moving to s.

For the switching operation to the parking position P, for example, for switching from the neutral position N or the reverse position R to the parking position P, the guide pin 27 is pushed down from the protruding portion 30a to the base end by pulling up the operation lever 28. By rotating the operation lever 28 to the parking position P while avoiding the contact between the guide pin 27 and the protruding portion 30a, the engagement of the lock plate 42 which is urged to the guide pin open position by the spring 45 and is on standby The guide pin 27 is inserted into the groove 42a, and the lifting of the operation lever 28 is released. The guide pin 27 is urged toward the distal end by the spring 25, and the engaging groove 42a engaged with the guide pin 27 is rotated, that is, the spring 45 is attached. The lock plate 42 is rotated to the guide pin lock position as shown by a solid line It is switching to P.

The distal end of the inner cable 44a of the push-pull cable 44 slides on the outer peripheral surface of the lock plate 42 and engages with the locking portion 42b to engage the lock plate 4b.
The rotation of 2 is restricted and is maintained at the guide pin lock position.

According to the speed change device for an automatic transmission according to the present embodiment described above, both ends are provided on the steering support beam 1 which is firmly supported by a vehicle body component such as a front pillar, and the steering device 4
An outer shaft 22 having a main holder portion 12 having a shaft insertion hole 12a and 14a arranged substantially parallel to the steering shaft 7 and being separated from the steering shaft 7 and a support holder 11 including a sub holder portion 14, and rotating on a coaxial line. ,
The inner shaft 23 and the detent plate 33 are arranged, and the guide member 30 and the shift arm 3 are
6 and the shift lock mechanism 40 are arranged, so that the speed change operation device 10 is made compact, the space required for operation is extremely small, the effective vehicle interior space is easily secured, the livability is improved, and Space is obtained, workability is greatly improved, and a crash stroke can be secured between the toeboard and the steering wheel in the event of a collision. A sufficient function of a so-called shock-absorbing steering column is sufficiently ensured, and the knee guard 15 is arranged on the lower surface of the speed change operation device 10, so that the safety is excellent.

Further, in the above embodiment, the case where the automatic transmission is a continuously variable transmission has been described as an example. However, the present invention is limited to the above embodiment, for example, applied to an automatic stepped transmission. However, the present invention can be appropriately changed without departing from the gist of the present invention.

[0070]

As described above, according to the shift operation device for an automatic transmission of the present invention, the support holder which is attached to and supported on the body member independently of the steering device, and the rotation substantially parallel to the steering shaft. A shift shaft having a central axis and rotatably supported by the support holder, an operation lever provided at one end of the shift shaft, and converting operation of the operation lever into operation of the shift shaft A lever operation converting mechanism for converting the operation of the shift shaft into a movement for controlling the transmission operation, and a swing range restricting portion for restricting the swing range of the operating lever. The operating device is located separately and independently from the steering device, and the work space for assembly and maintenance is easily secured, providing excellent workability. The safety of the transmission is greatly improved by ensuring a crash stroke between the steering shaft and each of the rotating components of the speed change operation device. The rotating components are rotatably arranged on a rotation center axis parallel to the steering shaft. Therefore, the occupied space becomes extremely small, so that the occupancy can be improved. Therefore, the occupied space has a special effect, and it greatly contributes to the automobile manufacturing industry and the improvement of vehicle safety.

[Brief description of the drawings]

FIG. 1 is a plan view of an essential part for explaining an outline of an embodiment of a shift operation device for an automatic transmission according to the present invention.

FIG. 2 is a plan view of a main part for explaining the outline in the same manner.

FIG. 3 is a cross-sectional plan view of a main part for explaining the outline.

FIG. 4 is a side view for explaining the outline.

5 is a front view of FIG. 3 as viewed from the direction of arrow A.

FIG. 6 is an enlarged view of a main part of FIG. 3;

FIG. 7 is a plan view similarly illustrating a sub-holder portion.

FIG. 8 is a side view for explaining a sub-holder.

FIG. 9 is a front view of the same seen from the direction of arrow B in FIG.

FIG. 10 is a sectional view taken along the line CC in FIG. 4;

FIG. 11 is an exploded view of a main part, similarly illustrating a guide member.

FIG. 12 is a sectional view taken along the line DD in FIG. 6;

FIG. 13 is an enlarged side view of a main part, also from the direction of arrow E in FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Steering support beam 4 Steering device 7 Steering shaft 10 Transmission operation device 11 Support holder 12 Main holder portion 13 Sub holder portion 18 Operation lever 20 Shift shaft 22 Outer shaft 22a Inner shaft insertion hole 23 Inner shaft 23c Operation lever engaging portion 27 Guide Pin 30 Guide member 32 Day tent device 33 Day tent plate 33b Select cable support 36 Shift arm 36a Engagement 36b Select cable support

Claims (8)

[Claims] A support holder which is attached to and supported on a vehicle body member independently of a steering device; and a shifter which has a central axis substantially parallel to a steering shaft and is rotatably supported by the support holder. A shaft; an operation lever provided at one end of the shift shaft; a lever operation conversion mechanism for converting the operation of the operation lever to the operation of the shift shaft; and converting the operation of the shift shaft to a transmission control operation. A shift operation device for an automatic transmission, comprising: a shaft operation conversion mechanism that performs a swing operation; and a swing range restricting section that regulates a swing range of an operation lever. 2. A shift operating device for an automatic transmission according to claim 1, wherein said vehicle body member is a steering support beam. 3. The shift shaft according to claim 1, further comprising an inner shaft insertion hole having a center axis substantially parallel to the steering shaft, and a substantially cylindrical outer shaft rotatably supported by the support holder. An inner shaft that is inserted into the inner shaft insertion hole and that is supported so as to be rotatable or movable in the center axis direction. The lever operation conversion mechanism is separated from the center axis of the outer shaft and substantially omitted in side view. A rotating shaft having an orthogonal axis and supporting a central portion of the operation lever on the outer shaft; and an operation lever engaging portion formed on the inner shaft and engaged with a tip of the operation lever. The shift operating device for an automatic transmission according to claim 1 or 2, wherein 4. A guide pin provided on the inner shaft, the tip of which protrudes through the outer shaft, and a plurality of select positions provided on a support holder for restricting movement of the guide pin. The shift operating device for an automatic transmission according to claim 3, further comprising: a guide member having: 5. A shift arm, wherein said shaft operation conversion mechanism is formed with an engagement portion and a select cable support portion and is pivotally supported by a support holder so as to swing freely. The shift operating device for an automatic transmission according to claim 3, further comprising: a swing member that engages with an engaging portion of the arm. 6. The speed change operation for an automatic transmission according to claim 5, wherein the swing member is a day tent plate of a day tent device that holds the outer shaft at each select position with a click. apparatus. 7. The speed change operation for an automatic transmission according to claim 1, wherein the shaft operation conversion mechanism and the swing range restricting portion are arranged at a central portion in an axial direction of the speed change operation device. apparatus. 8. The support holder is formed separately from a main holder for supporting a base end of the shift shaft and a sub-holder for supporting a distal end of the shift shaft, between the main holder and the sub-holder. The shift operating device for an automatic transmission according to claim 5, wherein the rocking member is disposed on the transmission.