JPH1024750A - Shift lever device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shift lever device eliminating a strength plate, forming a gate near the shaft section of a shift lever, and provided with a noise reduction mechanism. SOLUTION: Gate grooves 52, 54 are formed on both sides across a shift lever 22. An arm 38 is rockably protruded from the shift lever 22 in the vehicle width direction, and pins 46, 48 are protruded downward from the end section of the arm 38. The pins 46, 48 are guided by gate grooves 52, 54, and the shift lever 22 is guided to an optional range. Since the arm 38 is rocked, the outer peripheries of the pins 46, 48 are accurately brought into face contact with the groove walls of the gate grooves 52, 54, and they are hardly abraded. The outer peripheries of the pins 46, 48 are covered with cushion caps 50, and the knock sound generated when the pins 46, 48 hit the gate grooves 52, 54 is reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shift lever device used for a transmission of a vehicle.

[0002]

2. Description of the Related Art As shown in FIG. 8, a gate type shift lever device 110 for shifting an automatic transmission has a box-shaped housing 114 having a zigzag-shaped guide groove 112 formed therein.
It has. A strength plate 120 is provided below the housing 114 with slide covers 116 and 118 interposed therebetween.

The strength plate 120 has a guide groove 1
12, a guide groove 122 having substantially the same shape as that of the guide groove 122 is formed.
The shift lever 126 inserted into the guide grooves 112 and 122 is guided along the guide groove 122 and moves in the front-rear direction and in the vehicle width direction to select an arbitrary shift range.

As described above, conventionally, the shift lever 126
Is guided directly by the guide groove 122, and as shown in FIG. 9, a rubber cushion member 124 is attached to the groove wall of the guide groove 122 of the strength plate 120,
It is necessary to reduce the tapping sound when the shift lever 126 collides with the guide groove 122.

However, the cushioning material 124 is not
The process of attaching to the cushion 22 requires time, and the cushion member 124 may be deteriorated. Also, as shown in FIG.
The point of contact with the corner of 24 causes point contact, and this hit point causes plastic deformation with time.

Further, as the shift lever 126 is moved away from the control shaft 128 which supports the shift lever 126, the swing width of the shift lever 126 is geometrically increased, so that a predetermined width is required for the guide groove 122. For this reason, the guide groove 122 must have a certain width and must be molded with high precision, which increases the manufacturing cost.

There is also a concept that the strength plate 120 is brought closer to the control shaft 128 and the width of the guide groove 122 is reduced. However, since a certain amount of play is required according to the diameter of the shift lever 126, the strength plate 120 is required.
It is also difficult to change the position. Therefore, a gate-type shift lever device cannot be manufactured without a certain space.

[0008]

SUMMARY OF THE INVENTION In view of the above, the present invention has an object to provide a shift lever device having a gate formed near a shaft portion of a shift lever without a strength plate and also having a silencing mechanism. And

[0009]

According to the first aspect of the present invention, the shift lever can be shifted in the front-rear direction and in the vehicle width direction, and an arbitrary shift range can be selected by operating the shift lever. It has become.

A guide means projects from the shift lever in the vehicle width direction. The guide means is inserted into the gate groove, and is guided to an arbitrary shift range along the gate groove.

As described above, by separately providing the guide means for guiding the shift lever, as compared with the conventional type in which the shift lever is directly guided in the guide groove, accuracy in forming the gate groove is not required. In addition, the manufacturing cost can be reduced.

Further, the gate groove can be made closer to the shaft portion of the shift lever, and the swing width of the shift lever at this portion is small. As a result, the difference in the unevenness of the gate groove can be reduced.

Therefore, the operation range at the upper end of the shift lever can be secured, and the shift lever device with high accuracy can be designed compactly.

According to the second aspect of the present invention, the gate groove has:
It is formed on both sides with a shift lever in between. For this reason, the guide means is stably guided in the gate groove.

According to the third aspect of the invention, the arm protrudes from the shift lever in the vehicle width direction, and a pin protrudes from the end of the arm in a direction orthogonal (upward or downward).

As described above, since the pins are inserted into the gate grooves via the arms, the gate grooves can be freely arranged.

According to the invention described in claim 4, the arm is swingably supported by the shift lever. Therefore, even if the shift lever is tilted, the pin is guided into the gate groove while the arm swings, so that the outer peripheral surface of the pin accurately comes into contact with the groove wall of the gate groove to be in surface contact and is hardly worn. .

According to the fifth aspect of the present invention, the outer peripheral surface of the pin is covered with the cushion cap. Therefore, the hitting sound when the pin hits the gate groove is reduced. In addition, since it is only necessary to attach the cushion cap to the pin, the step of attaching the cushion material to the guide groove as in the conventional case is omitted, and furthermore, since it comes into surface contact with the gate groove, the cushion cap is evenly worn, The durability is improved.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 2, a shift lever device 10 according to the present embodiment includes a rectangular frame-shaped base member 12 attached to a tunnel projecting from the center of a floor. I have.

The base member 12 includes a bracket 1
4 and 16 are erected. These brackets 14, 16
Is provided with a shaft hole 18, and a control shaft 20 is supported by the shaft hole 18.
A pair of brackets 28 projecting from a block 26 formed at the lower end of the shift lever 22 are engaged with the control shaft 20. The bracket 28 is supported by a pin 32 fixed by a push nut 30 so as to be rotatable in the axial direction of the control shaft 20. Between the bracket 28 and the control shaft 20,
A torsion spring 34 is provided to urge the shift lever 22 toward the driver seat.

As a result, the shift lever 22 rotates in the vehicle longitudinal direction about the control shaft 20 as an axis, and rotates in the vehicle width direction about the pin 32 as an axis. In addition,
The control shaft 20 is connected to the automatic transmission via a transmission mechanism (not shown), and shifts the automatic transmission by operating the shift lever 22.

On the other hand, a concave portion 36 is formed in the center of the shift lever 22, and a plate-shaped arm 38 is attached with a play to the concave portion 36. A through hole 40 penetrates the bottom surface of the concave portion 36 in a direction orthogonal to the axis of the shift lever 22. The arm 3 is inserted into the through hole 40.
A pin 44 is inserted into a shaft hole 42 formed in the center of 8, and is fixed by a push nut 43. As a result, the arm 38 can swing up and down around the pin 44.

Pins 46 and 48 project downward from both ends of the arm 38. A cylindrical cushion cap 50 is fitted to the pins 46 and 48. The cushion cap 50 is formed of a soft material such as a rubber, an elastomer, or a PP, so that cushioning properties are ensured. This allows the pins 46, 48
Is reduced when hitting a gate groove described later.
Further, since it is only necessary to attach the cushion cap 50, the step of attaching the cushion material to the guide groove as in the related art is omitted.

On the other hand, above the base member 12,
A gate plate 56 in which gate grooves 52 and 54 into which slidable inserts 6 and 48 are formed is provided. The center of the gate plate 56 (the gate groove 52 and the gate groove 5
4), a rectangular long hole 58 through which the shift lever 22 is inserted is formed. And the pins 46, 48
Are guided by the gate grooves 52 and 54, so that the shift lever 22 moves zigzag in the long hole 58 in the front-rear and left-right directions of the vehicle.

Here, the gate groove 52 and the gate groove 54 have the same shape, and are located at positions where the outer peripheral surface of the cushion cap 50 abuts when the shift lever 22 is supported by the control shaft 20. . As a result, even if the shift lever 22 is operated and tilted in the vehicle front-rear direction, the arm 42 swings like a seesaw, and the pins 46, 48 are guided by the gate grooves 52, 54.
The outer peripheral surface of the cushion cap 50 is accurately aligned with the gate groove 5.
It comes into surface contact by contacting the groove walls 2 and 54, and is less likely to be worn.

The planar shapes of the gate grooves 52 and 54 are as follows:
The guide groove 68 has a shape similar to the guide groove 68 formed in the housing 66, and has a groove width substantially equal to the diameter of the cushion cap 50.

For this reason, precision is not required for forming the gate grooves 52 and 54, and the manufacturing cost can be reduced. Further, the gate grooves 52 and 54 can be brought closer to the shaft portion of the shift lever 22, and the swing width of the shift lever 22 at this portion is small. it can.

On the other hand, a cam plate 62 is provided on the upper surface of the gate plate 56. One end of the cam plate 62 is connected to the shaft 6 with a torsion spring 70 interposed.
At 0, it is pivotally supported by the gate plate 56.
As a result, as shown in FIG.
Are stopped by the stopper 72 in a state where the protrusions 62A and 62B are protruded into the gate groove 54, being urged toward the long hole 58 side.

On the free end side of the cam plate 62,
A lever 74 projects laterally, and the tip of the lever 74 contacts the tapered surface of a wedge-shaped block 80 provided at the tip of a rod 78 of a holding type solenoid 76.

When the solenoid 76 is not excited, the rod 78 is biased by a spring so that the rod 78 is not pushed and slid by the lever 74. in this way,
Since the cam plate 62 does not retreat from the gate groove 54, the protruding portions 62A and 62B obstruct the pin 48 from the "P" range to the "R" range and from the "N" range to the "R" range. A so-called shift lock mechanism and an R-inbit mechanism that cannot move are configured.

When the solenoid 76 is excited, the rod 78 becomes slidable, and when the shift lever 22 is shifted in the lateral direction, the pin 48 pushes the protruding portion 62A, and the lever 74 pushes back the block 80. The cam plate 62 is retracted from the guide groove 54.

On the other hand, a moderating spring plate 84 bent in an S-shape is provided in the long hole 58,
Is operated in the “3” range direction, the moderation spring plate 8
4 to get a sense of moderation (see FIG. 7).

On the gate groove 52 side, the microswitches 86 and 88 are located at the positions of "P" range and "D" range.
Is disposed, and is pressed by the pin 46 to detect the shift range of the shift lever 22.

On the other hand, above the gate plate 56, a lower housing 92 having a rectangular hole 90 through which the shift lever 22 is inserted is provided. A receiving seat 94 extends from the edge of the rectangular hole 90 along the edge. A plate-shaped slide cover 96 is fitted into the receiving seat 94. A long hole 98 extending in the width direction is formed at the center of the slide cover 96. The shift lever 22 is inserted into the elongated hole 98. And the slide cover 96
Moves together with the shift lever 22 in the vehicle front-rear direction, and allows the shift lever 22 to be operated in the vehicle width direction. A cover 102 having a circular hole 100 through which the shift lever 22 passes is formed below the slide cover 96.
Is provided to shield the gap between the long holes 98.

Further, a housing 66 having a gate-like guide groove 68 through which the shift lever 22 passes is mounted on the lower housing 92. An operation knob 106 is attached to an upper end of the shift lever 22 via a cover knob 104. On the side of the guide groove 68, "R", "N", "D-"
A plate 108 on which a head character such as "3" is printed is fitted.

Next, the operation of the shift lever device according to this embodiment will be described. As shown in FIGS. 3 and 4, when the shift lever 22 is shifted from the “P” range to the “D” range, first, the foot brake is depressed and the solenoid 76 is energized.
With this, the lot 78 can be pushed down.

Here, when the shift lever 22 is shifted to the passenger seat side, the shift lever 22 is pushed, and the projection 62A of the cam plate 62 rotates about the shaft 60 and retreats from the gate groove 54. As a result, the shift lock is released.

The shift lever 22 is biased by the torsion spring 34 toward the gate groove 52, and the pin 4
The outer peripheral surface of the cushion cap 50 covering the front end surfaces of the gates 6 and 48 is guided to an arbitrary shift range while being in surface contact with the gate grooves 52 and 54.

With the cushion cap 50, the hitting sound when hitting the gate grooves 52 and 54 is reduced. Further, since it is only necessary to attach the cushion cap 50 to the pins 46 and 48, the step of attaching the cushion material to the guide groove as in the related art is omitted.
As a result, the cushion cap 50 is evenly worn and the durability is improved.

Further, by separately providing the pins 46 and 48 for indirectly guiding the shift lever 22, the accuracy of the unevenness of the gate grooves 52 and 54 is not required, and the manufacturing cost can be reduced.

Next, when the shift lever 22 is shifted to the "3" range, as shown in FIG. 5, it is possible to get over the moderation spring plate 84 and obtain a moderation feeling.

As shown in FIGS. 6 and 7, when the R inhibit mechanism is operating, the cam plate 62
Is not allowed to shift from the "N" range to the "R" range.

Here, when the foot brake is depressed and the solenoid 76 is energized, the rod 74 can be pushed down by the lever 74 via the block 80.

Accordingly, when the shift lever 22 is shifted to the passenger seat side, the shift lever 22 is pushed, and the protruding portion 62B of the cam plate 62 rotates about the shaft 60 and retreats from the gate groove 54. This allows the shift lever 22 to be shifted leftward,
Shift from "N" range to "R" range. In this manner, the shift lock mechanism and the R inhibit mechanism can be easily constructed only by restricting the movement of the pins 46 and 48 by the cam plate 62.

In this embodiment, the pin 4
Although 6, 48 are projected downward, they may be projected upward and inserted from below the gate groove. Arm 3
The pins 8 do not need to project left and right, and the pins may be guided by only one side, for example, only the gate groove 54.

Further, in this shift lever device, when a large impact force acts on the shift lever 22 during a collision,
The pins 46 and 48 are plastically deformed and can absorb the collision energy.

The characters indicating the shift ranges in FIGS. 3 to 7 are shown for easy understanding, and are actually printed on the plate 108.

[0048]

Since the present invention has the above-described structure, a strength plate is not required, so that the structure of the shift lever device is simplified, and there is no need to attach a cushion material for reducing a hitting sound to the guide groove. In addition, since the gate is formed near the shaft of the shift lever, the gate groove does not require high accuracy.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main part of a shift lever device according to an embodiment.

FIG. 2 is a perspective view showing a relationship between a gate groove and a pin of the shift lever device according to the embodiment.

FIG. 3 is a plan sectional view of a gate plate of the shift lever device according to the embodiment as viewed from above.

FIG. 4 is a plan cross-sectional view of the gate plate of the shift lever device according to the embodiment as viewed from above.

FIG. 5 is a plan cross-sectional view of the gate plate of the shift lever device according to the embodiment as viewed from above.

FIG. 6 is a plan cross-sectional view of the gate plate of the shift lever device according to the embodiment as viewed from above.

FIG. 7 is a plan cross-sectional view of the gate plate of the shift lever device according to the embodiment as viewed from above.

FIG. 8 is an exploded perspective view of a main part of a conventional shift lever device.

FIG. 9 is a side view showing a relationship between a shift lever and a strength plate of a conventional shift lever device.

[Explanation of symbols]

 22 shift lever 38 arm (guide means) 46 pin (guide means) 48 pin (guide means) 50 cushion cap 52 gate groove 54 gate groove 56 gate plate

Claims (5)

[Claims] 1. A shift lever, wherein a shift direction is a vehicle front-rear direction and a vehicle width direction, and an arbitrary shift range can be selected.
A shift lever device comprising: guide means projecting from the shift lever in the vehicle width direction; and a gate groove into which the guide means is slidably inserted to guide the guide means to an arbitrary shift range. 2. The shift lever device according to claim 1, wherein the gate groove is formed on both sides with the shift lever interposed therebetween. 3. The vehicle according to claim 1, wherein said guide means comprises an arm projecting from a shift lever in a vehicle width direction, and a pin projecting in a direction perpendicular to an end of said arm. Item 3. The shift lever device according to Item 2. 4. The shift lever device according to claim 3, wherein the arm is swingably supported by the shift lever. 5. The shift lever device according to claim 3, wherein an outer peripheral surface of the pin is covered with a cushion cap.