JP3273377B2 - Shift lever device - Google Patents

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, and more particularly to a shift lever device which is provided with a position pin corresponding to each shift position only by swinging the shift lever or swinging the shift lever while pressing a shift button. The present invention relates to a shift lever device which selectively engages with a stepped opening formed by each stepped portion and switches to each shift position.

[0002]

2. Description of the Related Art An internal combustion engine mounted on a vehicle rotates the engine at a certain rotation speed or more and uses the rotation speed of a drive shaft under running conditions in order to run smoothly by making full use of the generated horsepower. It is necessary to adjust the rotational force accordingly. The engine is operated at a rotational speed at which the engine output is maximized in all running states, and a transmission is provided to effectively utilize the maximum output. Automatic transmissions that are easy to operate, that can smoothly start, accelerate, and decelerate, and that can automatically and steplessly shift gears in accordance with the running conditions are often used as this transmission. I have.

[0003] In this automatic transmission, a shift lever of a shift lever device is operated to switch to each shift position.
The gear ratio is automatically switched according to the shift position.

Further, as another shift lever device, as disclosed in Japanese Utility Model Publication No. 1-38663, there is provided a shift lever which is manually turned on a metal bracket fixed to a floor plate of an automobile body. In a configuration in which a linkage lever that is rotated in cooperation with the rotation of the shift lever is rotatably provided, a cylindrical portion formed by burring processing on a bracket, a cylindrical portion and one end thereof are formed. A flange portion is fitted into an insertion hole formed in the cooperation lever, and the flange portion is addressed to a surface of the cooperation lever opposite to the bracket, and the cylindrical portion is fitted on the outer periphery of the cylindrical portion. A bush to be fitted, a washer positioned between the bracket and the cooperation lever, fitted to the outer periphery of the cylindrical portion and elastically deformable in the axial direction of the cylindrical portion, and a tip provided through the cylindrical portion. Nina Cooperation lever by screwing bets had those and a bolt to hold the tightening in the direction of pressure contact with the bracket.

[0005]

By the way, in the conventional shift lever device, as shown in FIGS.
A position pin (also called a dedent pin) 124 provided on a rod 122 provided in a lever shaft 110 of the shift lever 108 is provided on a position plate (also called a dedent plate) 128 and provided in accordance with each shift position. Each of the shift positions is switched by being selectively engaged with the step opening 130 formed by each step.

The step opening 130 is provided with a parking step 130.
-P, retreating step 130-R, and neutral step 130-
N, traveling step 130-D, second speed step 130-2
And a first-speed step portion 130-1. The respective step portions are arranged from one side of the step opening 130 to the other side.

In the shift lever device 102, a position pin 124 which moves up and down in conjunction with a stroke of a shift button 120 of a shift knob 118 is engaged with a step portion of a position plate 128. In other words, in the step opening 130, the parking step 130-P is connected to the reverse step 130-R, the traveling step 130-D is connected to the second step 130-2, and the second step 130 is formed. Step 1 for -2 to 1st speed
When switching from the neutral step 130-N to the reverse step 130-R, and from the reverse step 130-R to the parking step 130-P, the position pin 124 is shifted by the shift button. 14, the switching operation is performed by swinging the shift lever 108 while pressing it downward in FIG.

Further, from the reverse step 130-R to the neutral step 130-N, from the neutral step 130-N to the traveling step 130-D, and from the first speed step 130-1. When switching from the second speed step 130-2 to the second speed step 130-2 to the traveling step 130-D, and from the traveling step 130-D to the neutral step 130-N, the shift lever is used. The switching operation was performed only by the swing of 108.

Further, a moderation mechanism 136 is provided on the shift lever 108 and the position plate 128. The moderation mechanism 136 is connected to the shift lever 108.
And an engagement hole 140 provided in the position plate 128.

[0010] The elastic member 138 is provided with the ball retainer 19.
2, a ball 194 and a spring 196 for urging the ball 194. The ball 194 is attached to the ball retainer 192 via the spring 196.

Each of the engagement holes 140 is provided in the shift lever 10.
8 corresponding to each shift position of the parking engagement hole 140-P
, A retreat engagement hole 140 -R, and a neutral engagement hole 140 -R.
N, the traveling engagement hole 140-D, and the second speed engagement hole 140
-2 and a first speed engagement hole 140-1 are provided, and the resilient member 138 is resiliently engaged.

The shift lever device 102 includes:
Shift lock and key interlock solenoid 198
Are fastened on the position plate 128 via the bracket 200.

In the shift lever device 102 as described above, an operation that does not require the pressing operation of the shift button 120, for example, from the first speed step portion 130-1 to the neutral step portion 13
When the position pin 124 is moved to 0-N or when the position pin 124 is moved from the backward step 130-R to the neutral step 130-N, the position pin 124 is moved.
A collision sound is generated between the edge portion and the edge portion of the neutral step portion 130-N, which is disadvantageous in practical use (FIG. 1).
6).

At the time of the switching operation, the ball 194 of the moderation mechanism 136 is engaged with and disengaged from each of the engaging holes 140. At this time, the ball 194 and each of the engaging holes 140 are also disengaged.
Thus, there is an inconvenience that an operation sound is generated.

Further, a shift lock solenoid 198 is provided.
During the operation of, the operation sound of the solenoid 198 is amplified by the position plate 128, so that a large noise is generated, which is disadvantageous in practical use.

[0016]

SUMMARY OF THE INVENTION In order to eliminate the above-mentioned disadvantages, the present invention is directed to a step opening provided on a position plate, the position pin being provided on a lever shaft of a shift lever so as to be movable in the axial direction. The shift lever is selectively engaged to switch to each shift position, and an elastic member provided on the lever shaft of the shift lever is engaged with an engagement hole corresponding to each shift position formed in the position plate. In a shift lever device having a detent mechanism, the resilient member is disposed on one side surface of the position plate, and an end surface protrudes from the step opening on the other side surface of the position plate, and the side surface is provided with each of the engagement holes. A covering absorption plate is provided. In addition, a position pin disposed on the lever shaft of the shift lever so as to be movable in the axial direction is selectively engaged with a step opening provided on the position plate to switch to each shift position, and is provided on the position plate. In a shift lever device having a moderation mechanism in which an elastic member disposed on the lever shaft of the shift lever is engaged with an engagement hole corresponding to each shift position, the elastic member is disposed on one side surface of the position plate. At the same time, on the other side of the position plate, an absorbing plate is provided on the other side of which the end surface protrudes from the stepped opening and the side covers the engaging holes, and a pressing plate that presses the position plate across the absorbing plate is provided. It is characterized by having been provided.

[0017]

As described above, according to the present invention, the pressing member of the detent mechanism is disposed on one side of the position plate, and the other side of the position plate has an end surface protruding from the step opening and the side surface covers each engaging hole. Since an absorption plate is provided,
When switching the shift lever device, the absorption plate
The contact noise between the position pin and the predetermined step portion can be absorbed, and the operation sound generated at the moderating mechanism provided on one side surface of the position plate can be absorbed.
In addition, an elastic pressing member of the moderating mechanism is disposed on one side surface of the position plate, and an absorption plate whose end surface protrudes from the step opening and whose side surface covers each engagement hole is provided on the other side surface of the position plate. When the shift lever device is switched, the contact sound between the position pin and the predetermined step portion is absorbed by the absorbing plate when the shift lever device is switched, and the pressing plate is provided on one side surface of the position plate. The operation noise generated in the moderation mechanism portion can be absorbed, and the soundproofing and vibration-proofing properties of the absorbing plate can be improved by the pressing plate.

[0018]

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

FIGS. 1 to 7 show a first embodiment of the present invention. 1 to 3, 2 is a shift lever device, 4 is a housing, 6 is a bracket, 8 is a shift lever, and 10 is a lever shaft.

The shift lever device 2 includes a housing 4
A bracket 6 protrudes from a lower portion of the shift lever 8, and a lower end of a lever shaft 10 of the shift lever 8 is pivotally supported on the bracket 6 by a support shaft 12. The lever shaft 10 has an upper end protruding upward through the guide hole 16 of the guide plate 14 and a shift knob 18 provided at the upper end.

The shift knob 18 is provided with a shift button 20. The shift button 20 is in contact with one end of a rod 22 slidably provided in the lever shaft 10. A position pin 24 is attached to the other end of the rod 22. That is, this position pin 24
It is provided so as to be movable in the axial direction of the lever shaft 10. The shift lever 8 is connected to a shift mechanism of an automatic transmission (not shown) by a shift cable 26.

A position plate 28 is provided upright on the housing 4. The position plate 28 has a stepped opening 30 with which the position pin 24 is engaged, corresponding to each shift position of the shift lever 8.

The step opening 30 is provided with a parking step 30-P.
And a reverse step 30-R, a neutral step 30-N, a traveling step 30-D, a second speed step 30-2, and a first speed step 30-1. One side of the step opening 30 (FIG. 5)
Is provided with a parking step 30-P on the left side of the
Is provided with a retreating step 30-R through the center.

The neutral step 30-N and the traveling step 30 are connected to the reverse step 30-R via the first step 34-1.
-D is formed at the same height position, and a second speed step portion 30-2 is formed on the other side (right side in FIG. 5) of the step portion opening 30 via a second step portion 34-2. A first speed step portion 30-1 is formed on the other side (right side in FIG. 5) of the speed step portion 30-2 via a third step portion 34-3.

Further, a moderating mechanism 36 is provided on the shift lever 8 and one side surface of the position plate 28. The moderating mechanism 36 includes a lever shaft 10 of the shift lever 8.
And an engagement hole 40 formed in one side surface of the position plate 28. Suppression tool 3
8 is disposed on one side surface of the position plate 28 as shown in FIGS. Each of the engagement holes 40 has a parking engagement hole 40-corresponding to each shift position of the shift lever 8.
P, retraction engagement hole 40-R, and neutral engagement hole 40-N
, A traveling engagement hole 40-D, and a second speed engagement hole 40-2.
And the first speed engagement hole 40-1 are bored, and the elastic member 38 is elastically engaged.

The shift lever device 2 operates the shift button 20 of the shift lever 8 to selectively engage the position pin 24 with each of the stepped openings 30 via the rod 22, thereby switching each shift position. Thus, the engagement state of the automatic transmission (not shown) is switched via the shift cable 26.

On the other side of the position plate 28, the position pin 24 and a predetermined step, for example, a neutral step 30-N, a traveling step 30-
D, an absorbing plate 42 for absorbing contact noise with the second speed step portion 30-2 is provided.

More specifically, the absorbing plate 42 is formed in a plate shape by, for example, urethane resin. The absorption plate 42 includes a first absorption section 44 and the first absorption section 4.
4 is formed with a second absorbing portion 48 formed via an absorbing step portion 46. The first absorber 44 absorbs contact noise between the position pin 24 and the neutral step 30-N and between the position pin 24 and the traveling step 30-D, and the second absorber 48 , The position pin 24
It absorbs the contact noise between the gear and the second speed step 30-2.

The absorption plate 42 is formed in a shape larger than each engagement hole 40 provided in the position plate 28.

The absorption plate 42 is screwed to the other side surface of the position plate 28 by, for example, mounting bolts 50. At this time, the absorption plate 42
As shown in FIG. 5, the end surfaces of the first absorbing portion 44 are arranged so as to protrude slightly into the neutral step portion 30 -N and the traveling step portion 30 -D, that is, into the step opening 30. The end face of the second absorbing portion 48 is disposed so as to slightly protrude into the second speed step portion 30-2, that is, into the step portion opening 30.

As shown in FIG. 6, the absorbing plate 42 comes into surface contact with the other side surface of the position plate 28 corresponding to each of the engagement holes 40 provided on one side surface of the position plate 28. Covers each engagement hole 40.

Next, the operation will be described.

When the shift lever device 2 is switched, the absorbing plate 4 provided on the other side of the position plate 28
The second first absorbing portion 44 includes the position pin 24 and the neutral step 30-N, and the position pin 24 and the traveling step 30.
The contact sound between the position pin 24 and the second speed step portion 30-2 is absorbed by the second absorbing portion 48.

The operation noise generated by the elastic member 38 provided on the lever shaft 10 of the shift lever 8 serving as the moderating mechanism 36 and the respective engagement holes 36 provided on one side surface of the position plate 28 is absorbed by the absorbing plate 42. Is absorbing.

Thus, when the shift lever device 2 is switched by the absorption plate 42, the position pin 24 and the neutral step 30-N, the position pin 24 and the traveling step 30-D, and the position pin 24 and the second speed are used. Step 30-
2 can be absorbed, and a pressing member 38 provided on the lever shaft 10 of the shift lever 8 as the moderating mechanism 36
And the operating noise generated by each of the engagement holes 40 provided on one side surface of the position plate 28, which is practically advantageous (see FIG. 7).

Further, since the absorption plate 42 has a simple shape, it can be used by partially modifying an existing position plate, and can be commonly used for position plates having different specifications. It is more advantageous.

FIG. 8 shows a second embodiment of the present invention. In the second embodiment, parts that perform the same functions as in the first embodiment will be described with the same reference numerals.

The second embodiment is characterized in that an absorbing plate 42 is provided on the other side surface of the position plate 28, and a pressing plate 62 for pressing the absorbing plate 42 against the position plate 28 is provided. is there.

That is, the other side surface of the position plate 28 and one side surface of the absorbing plate 42 are brought into surface contact, and the other side surface of the absorbing plate 42 is brought into surface contact with one side surface of the metallic pressing plate 62. The absorption plate 42 and, for example, a metal pressing plate 62 are screwed to the position plate 28.

Then, the absorbing plate 42 is moved by one side of the metal pressing plate 62 to the position plate 28.
And the soundproofing and vibration-proofing properties of the absorbing plate 42 can be improved, which is practically advantageous.

Further, similarly to the first embodiment, when the shift lever device is switched, the position pin and the neutral step portion,
It can absorb the contact noise between the position pin and the step portion for traveling, the position pin and the second speed step portion, and has a resilient member provided on the lever shaft of the shift lever as a moderating mechanism, and a member provided on one side surface of the position plate. The operation noise generated by the hole can be reduced, which is practically advantageous.

Further, since the absorbing plate 42 and the metal pressing plate 62 have simple shapes, they can be partially modified with respect to an existing position plate, and can be commonly used with position plates having different specifications. Yes, practically advantageous.

The present invention is not limited to the above-described first and second embodiments, but can be variously modified.

For example, in the first embodiment of the present invention, the first absorbing portion 44 is provided on the absorbing plate 42 and the second absorbing portion 48 is provided via the absorbing step 46.
As shown in FIG. 9, the neutral step portion 30-N, the traveling step portion 30-D, and the second speed step portion 30-2 provided on the position plate 72 are formed at the same height position. In this case, the absorption plate 76 is formed with one slightly curved absorbing portion 74 corresponding to the neutral step portion 30-N, the traveling step portion 30-D, and the second speed step portion 30-2. It is also possible to use.

In the first embodiment of the present invention,
Although the position plate 28 and the absorbing plate 42 are screwed by the mounting bolts 50, as shown in FIG.
It is also possible to use the fixing member 78 by caulking with the fixture 78.

Further, as shown in FIG.
After the position plate 28 and the absorption plate 42 are screwed together, the tip of the mounting bolt 80 can be caulked and used.

Further, as shown in FIG. 12, a hook portion 82 is provided so as to protrude from one end surface of the absorption plate 42, and the hole 84 for the hook portion is provided in the position plate 28. The absorption plate 42 and the position plate 28 can be attached to the hole 84 for use.

As shown in FIG. 13, it is also possible to use the position plate 28 and the absorbing plate 42 by bonding them with an adhesive 86.

As described above in detail, according to the present invention, the pressing member of the detent mechanism is disposed on one side surface of the position plate, and the other side surface of the position plate projects from the step opening and the side surface is formed by each side surface. By providing an absorbing plate that covers the engagement hole, when the shift lever device is switched, the absorbing plate absorbs the contact noise between the position pin and the predetermined step portion, and a moderating mechanism provided on one side of the position plate. Operation noise generated at the site can be absorbed. In addition, an elastic pressing member of the moderating mechanism is disposed on one side surface of the position plate, and an absorption plate whose end surface protrudes from the step opening and whose side surface covers each engagement hole is provided on the other side surface of the position plate. When the shift lever device is switched, the contact sound between the position pin and the predetermined step portion is absorbed by the absorbing plate when the shift lever device is switched, and the pressing plate is provided on one side surface of the position plate. The operation sound generated in the moderation mechanism portion can be absorbed, and the soundproofing and vibration-proofing properties of the absorbing plate can be improved by the pressing plate.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory view of a shift lever device showing a first embodiment of the present invention.

FIG. 2 is a schematic explanatory view of a shift lever device.

FIG. 3 is a schematic explanatory view of a shift lever device.

FIG. 4 is a diagram showing a mounting state of a position plate and an absorption plate.

FIG. 5 is an enlarged view of a main part of the shift lever device.

FIG. 6 is a schematic plan view of a position plate and an absorption plate.

FIG. 7 is a diagram showing a relationship between a shift speed and a sound pressure.

FIG. 8 is a schematic sectional view showing a second embodiment of the present invention.

FIG. 9 is an enlarged view of a main part of a shift lever device showing another embodiment of the present invention.

FIG. 10 is an enlarged view showing another embodiment of the present invention.

FIG. 11 is an enlarged view showing another embodiment of the present invention.

FIG. 12 is an enlarged view showing another embodiment of the present invention.

FIG. 13 is an enlarged view showing another embodiment of the present invention.

FIG. 14 is a perspective view of a shift lever device showing a conventional technique of the present invention.

FIG. 15 is an enlarged perspective view of a shift lever device.

FIG. 16 is a diagram showing a relationship between shift speed and sound pressure.

[Explanation of symbols]

 2 shift lever device 8 shift lever 24 position pin 26 shift cable 28 position plate 30 step opening 36 moderation mechanism 42 absorption plate 44 first absorption section 46 absorption step section 48 second absorption section 50 mounting bolt

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 64-39517 (JP, U) Japanese Utility Model Showa 3-29758 (JP, U) Japanese Utility Model Showa 62-9820 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) B60K 20/00-20/08 F16H 59/00-59/10 G05G 1/00-25/04

Claims (2)

(57) [Claims] 1. An axial movement on a lever shaft of a shift lever.
The position pins arranged as possible are selectively engaged with the step openings provided in the position plate to switch to each shift position, and are drilled in the position plate.
The front of the shift lever is inserted into the engagement hole corresponding to each shift position.
The detent mechanism that engages the resilience tool provided on the lever shaft
In the shift lever device having, disposed the repression tool on one side of the position plate to Rutotomoni, said port
The other side of the plate has an end face that projects into the step opening.
A shift lever device provided with an absorbing plate that extends out and has a side surface that covers each of the engagement holes . 2. The shift lever is axially moved on a lever shaft of the shift lever.
The position pins arranged as possible are selectively engaged with the step openings provided in the position plate to switch to each shift position, and are drilled in the position plate.
The front of the shift lever is inserted into the engagement hole corresponding to each shift position.
The detent mechanism that engages the resilience tool provided on the lever shaft
In the shift lever device having, disposed the repression tool on one side of the position plate to Rutotomoni, said port
The other side of the plate has an end face that projects into the step opening.
A shift lever device , comprising: an absorbing plate extending out and a side surface covering each of the engaging holes; and a pressing plate for pressing the absorbing plate against the position plate.