JPH08159257A - Shift lever device for at vehicle - Google Patents

Abstract

PURPOSE: To limit charge of a select button to an intermediate part in a slide range and to perform operation to properly change a speed to a target range without watching a display part in a select position by a method wherein a key groove formed in a select button is engaged with an auxiliary button and the end part of the key groove is brought into contact with an auxiliary button. CONSTITUTION: A key groove 26 is formed in a select button 2 retractably protruded from the side part of a select knob 1. An auxiliary button 3 crossing the select button 2 and protruded from the knob 1 side is slidably engaged with the key groove 26. A gate 27 is formed in the auxiliary button 3 and engagement between the select button 2 and the auxiliary button 3 is releasable. When only the select button 2 is pressed, a retraction amount of the select button 2 is limited to a value within the formation range of the key groove 26. When the select button 2 and the auxiliary button 3 are pressed, the select button is retractable to the deepmost part of the slide range and an operation state is sensible by fingers.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a shift lever device for an AT (automatic transmission) vehicle, and more particularly to a shift lever device which can be easily operated when a range is selected.

[0002]

2. Description of the Related Art The structure of a general shift lever device for an AT vehicle will be described with reference to FIGS. A selector lever 4 having a selector knob 1 at its tip has a sleeve 5 below, and in a pair of support portions 7 fixed to a vehicle body panel 6, the sleeve 5 is pivotally supported by bolts 8 in the longitudinal direction of the vehicle body. Can be rotated. An arm 9 is fixed to the lower side of the outer peripheral surface of the sleeve 5, and the arm 9 is connected to a linkage mechanism of an automatic transmission (not shown).

A select button 2 is slidably inserted in the selector knob 1 in the axial direction of the bolt 8. The select button 2 is biased to the outside of the selector knob 1 by a spring 10. Further, a vertically movable rod 11 is arranged in the inner cylinder portion of the selector lever 4, and a spring 12 constantly urges the rod 11 in an upward direction. Rod 11
An inclined surface 13 is formed at the upper end of the. This slope 13
Inside the selector knob 1, is in contact with the inclined surface 14 formed at the inner end of the select button 2. A detent pin extending in the axial direction of the bolt 8 is provided at the lower end of the rod 11.
15 is fixed. The detent pin 15 projects from an elongated hole 16 formed in the selector lever 4 and extending in the vertical direction.

Further, the detent pin 15 is provided on one support portion 7
Housing selector lever formed continuously at the upper end of the
It engages with position holes 18 in 17. Position hole 18
As shown in FIG. 12, the recess 19 located at the forefront and the recess 19
20 and the middle circular arc continuous to the base end of the protrusion 20
21, a large circular arc portion 22 formed in the center of the middle circular arc portion 21 and located in the same circumferential shape as the concave portion 19, and a small circular arc portion 23 located in the same circumferential shape as the tip of the convex portion 20. . The large circular arc portion 22, the middle circular arc portion 21, and the small circular arc portion 23 are concentric circular arcs centered around the bolt 8. The end face of the position hole 18 including the concave portion 19, the convex portion 20, the middle circular arc portion 21, the large circular arc portion 22, and the small circular arc portion 23 is collectively referred to as a concave and convex end surface.

The detent pin 15 moves up and down in conjunction with the select button 2 to engage with and disengage from the uneven end face of the position hole 18. When the detent pin 15 engages with the specific recess, the selector lever 4 is set at a predetermined position. In the illustrated automatic transmission, six ranges P (parking), R (reverse), N (neutral), D (drive), 2 (second), and L (low) can be selected, and the select button 2 The detent pin 15 and the concave and convex end faces of the position hole 18 are engaged or disengaged by pressing and the selector lever 4 is operated in the vehicle front-rear direction to select one of the six ranges, and an automatic operation (not shown) is performed. It is designed to operate the linkage mechanism of the transmission.

As described above, by pressing the select button 2, the range selection is performed while changing the engagement state between the detent pin 15 and the uneven end surface of the position hole 18,
It is indispensable for preventing inadvertent gear shifting due to erroneous operation of the selector lever 4. By the way, the specific operation method of the above-mentioned AT vehicle shift lever device is divided into two types, that is, the selection button 2 needs to be pressed when the selector lever 4 is operated, and the case where it is unnecessary. It is necessary to press the select button 2 from P to R, R to P,
Each operation is N to R, D to 2 and 2 to L. At this time, the select button 2 is pushed to the deepest part of the sliding range, the detent pin 15 is lowered, and the position hole 18
It was carried out by completely disengaging the concave and convex end faces of.

[0007]

However, the shift lever device has the following problems. As described above, when the selector lever 4 is operated, by pressing the select button 2 to the innermost part of the sliding range, the engagement between the detent pin 15 and the uneven end surface of the position hole 18 is completely released. Since all the ranges have been selected, it is possible to select all ranges when the select button 2 is pressed.
That is, when the select button 2 is pressed,
Visually check the position indicator 24 as shown in
Moreover, the range was selected while adjusting the force that operates the selector lever 4 in the front-rear direction of the vehicle body. In particular, when shifting from the N range to the R range, the shift operation was performed while controlling the operating force so as not to jump over the R range and select the P range.

As described above, when selecting a range, the driver needs to perform a troublesome operation of delicately adjusting the operation force of the selector lever while observing the position indicator. It has been desired to make the selection operation easier and more reliable. Therefore, attempts to simplify the above operation are disclosed in Japanese Utility Model Laid-Open No. 60-16222, Japanese Utility Model Laid-Open No. 64-10821, etc., but all have complicated structures,
There was no escape from rising costs.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a shift lever device for an AT vehicle in which a gear position selecting operation can be performed reliably and easily and which has a simple structure. To provide.

[0010]

Means for Solving the Problems According to the present invention for solving the above-mentioned problems, a rod in which an inner end portion of a select button which is projectably retracted to a side portion of a selector knob is located in a selector lever. In the shift lever device for an AT vehicle that is brought into contact with the upper end of the selector button, an auxiliary button that intersects with the select button inside the selector knob and protrudes freely from the knob side is formed in the select button. Slidably engaged with the select button so that the select button can slide within the key groove forming range, and the auxiliary button includes a key groove of the select button and an auxiliary button when the auxiliary button is pressed. It is characterized in that a gate for releasing the engagement of is formed.

[0011]

The key groove provided on the select button is engaged with the auxiliary button, and the end of the key groove is brought into contact with the auxiliary button to limit the depression of the select button to the middle portion of the sliding range. A gate is formed on the auxiliary button, and the auxiliary button is pressed to actuate the gate to coincide with the sliding path of the select button, thereby releasing the engagement between the key groove of the select button and the auxiliary button, The select button can be immersed in the entire sliding range. That is,
The immersion limit position of the select button is changed depending on whether or not the auxiliary button is pressed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the accompanying drawings. In the figure, the same or corresponding parts as those of the conventional example are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 1 is a perspective view showing the inside of a selector knob 1 of an AT vehicle shift lever device according to the present invention.
The structure below the selector lever 1 (not shown in FIG. 1) is the same as the conventional structure already described with reference to FIGS. 12 and 13, and detailed description thereof will be omitted. Selector knob 1
A select button 2 is slidably inserted in the vehicle body width direction, and the select button 2 is biased to the outside of the selector knob 1 by a spring 10. Also,
A vertically movable rod 11 is arranged from the inner cylinder of the selector lever 4 to the inside of the selector knob 1, and
It is always urged upward by 12 (Fig. 13). An inclined surface 13 is formed on the upper end of the rod 11. The inclined surface 13 is in contact with the inclined surface 14 formed at the inner end of the select button 2 inside the selector knob 1.

An auxiliary button 3 is slidably inserted in the front-rear direction of the vehicle body on the front surface of the selector knob 1, and the auxiliary button 3 is urged by a spring 25 toward the front outside of the selector knob 1. The select button 2 and the auxiliary button 3 intersect inside the knob 1, and the key groove 26 formed in the select button 2 and the auxiliary button 3 are slidably engaged. Also, the auxiliary button 3 has a gate
Forming 27.

Now, the operation procedure of the shift lever device for an AT vehicle having the above structure will be described. 2 to 4 are vertical sectional views taken along line BB of the selector knob shown in FIG. 1, of which FIG. 2 shows a select button 2 and an auxiliary button 3.
It shows a state in which neither of them is pressed.
In the state of FIG. 2, the keyway formed on the select button 2
26, the auxiliary button 3 is engaged, and the spring 10 and
The select button 2 is biased to the outside of the selector knob 1 by 12 and the inner end portion 26a of the key groove 26 is in contact with the auxiliary button 3. At this time, the protruding amount of the select button 2 from the selector knob 1 is M _1, and the length of the spring 12 is N ₁ . Also, in this state, the detent pin 15
Is located at the upper portion 16a of the long hole 16 as shown in FIG. 7 (a).

FIG. 5 is a vertical sectional view taken along the line CC of FIG. 2, showing a state in which the auxiliary button 3 is not pressed. In this state, the gate 27 formed on the auxiliary button 3 is located off the operating path of the select button 2.

When the select button 2 is pressed from the state shown in FIG. 2, the select button 2 slides on the auxiliary button 3 by the inclined surface 14 formed at the inner end portion of the select button 2 as shown in FIG. , The inclined surface 13 at the upper end of the rod 11 is pressed. Then, the outer end portion 26b of the key groove 26 contacts the auxiliary button 3. At this time, since the positional relationship between the select button 2 and the gate 27 formed on the auxiliary button 3 is in the state shown in FIG. 5, further immersion of the select button 2 is restricted. If the protruding amount of the select button 2 at this time is M ₂ and the length of the spring 12 is N ₂ , M ₁ > M ₂ and N ₁ > N
There is a relationship of ₂ , and in this state the detent pin 15
Is fixed to the intermediate portion 16b of the slot 16 as shown in FIG. 7 (b).

When the auxiliary button 3 is pressed in this state, the gate 27 moves to the operation path of the select button 2 as shown in FIG. Therefore, select button 2
The engagement between the key groove 26 and the auxiliary button 3 is released. In this state, there is nothing to limit the retracted position of the select button 2. Therefore, by pressing the select button 2 further, the select button 2 sinks to the deepest part of the sliding range as shown in FIG. . At this time, the protruding amount of the select button 2 is M ₃ , and the length of the spring 12 is N.
_When it is set to ₃ , there is a relation of M ₁ > M ₂ > M ₃ and N ₁ > N ₂ > N _{3. In} this state, the detent pin 15 moves to the lower portion 16c of the slot 16 as shown in FIG. 7 (c). To do.

Now, the position hole 18 with which the detent pin 15 is engaged will be described with reference to FIG. The position hole 18 is a concave portion 19 located at the forefront, a convex portion 20 continuous with the concave portion 19, and a middle circular arc portion 21 continuous with the base end of the convex portion 20,
It has an uneven end face composed of a large circular arc portion 22 formed in the center of the middle circular arc portion 21 and a small circular arc portion 23 which is continuous with the middle circular arc portion 21 and is located on the same circumference as the tip of the convex portion 20. . The large arc portion 22 and the middle arc portion 21 are formed close to each other, and the middle arc portion 21
And the small arc portion 23 are formed separately.

Since the position hole 18 has the above-described shape, the upper portion 16a of the elongated hole 16 formed in the selector lever 4 with the detent pin 15 extending in the vertical direction (FIG. 7A).
When it is positioned at, the detent pin 15 is engaged with the large arc portion 22 and the selector lever 4 is operated to select only the N and D ranges. Further, when the detent pin 15 is located at the intermediate portion 16b (FIG. 7 (b)) of the long hole 16, the detent pin 15 engages with the middle arc portion 21, and it is possible to select the R or 2 (second) range. Become. In addition, the detent pin 15 has a lower portion 16c of the long hole 16 (see FIG. 7).
When it is located at (c), the detent pin 15 is engaged with the small circular arc portion 23 and can move to the position in charge of the P range by passing below the tip of the L range or the convex part 20.

That is, the procedure of the range selection operation in the present invention is as follows. First, it is not necessary to press the select button 2 to operate between the N range and the D range. When the selector lever 4 is in the D range or the N range and only the select button 2 is pressed to operate the selector lever 4, the 2 range or the R range is selected. Also, select button 2
When both the and auxiliary buttons 3 are pressed, the L or P range is selected. Further, the shift operation from the P range to the R range can be performed by pressing both the select button 2 and the auxiliary button 3. For shifting operations other than the above, it is not necessary to press the button.

The operation and effect of the present invention configured as described above will be described below. The select button 2 is provided with a key groove 26, and the key groove 26 and the intersecting auxiliary button 3 are slidably engaged. Therefore, when the select button 2 is pressed, the outer end portion of the key groove 26 is pressed. 26b contacts the auxiliary button 3. In this state, the select button 2 is in the middle position of the sliding range and cannot be further depressed. Further, the detent pin 15 which is interlocked with the select button 2 is fixed to the intermediate portion 16b of the elongated hole 16.

When the select button 2 and the auxiliary button 3 are pressed, the gate 27 formed on the auxiliary button 3 moves to the operation path of the select button 2, and the key groove 26 of the select button 2 and the auxiliary button 3 are moved. Is disengaged. Therefore, unlike the case where only the select button 2 is pressed, the retracted position of the select button 2 is not restricted, and the select button 2 is pressed to the deepest part of the sliding range. Therefore, the detent pin 15 moves to the lower portion 16c of the long hole 16.

Therefore, in the case of adopting this embodiment, when shifting from the D or N range to the R or 2 range, only the select button 2 is pressed and the selector lever 4 is operated to operate the position indicator 24. It is possible to reliably shift to the R or 2 range without visually observing and without needing to adjust the force for operating the selector lever 4. Further, when shifting to the L or P range, both the select button 2 and the auxiliary button 3 are pressed and the selector lever 4 is actuated so that the position indicator 24 is not seen and the selector is also selected. It is possible to reliably shift to the L or P range without having to adjust the force for operating the lever 4. That is, it becomes possible to surely and easily select all the ranges.

Next, a second embodiment of the present invention will be described with reference to FIG. Detailed description will be omitted for portions or corresponding portions of the second embodiment that have the same configuration as the first embodiment.

The present embodiment differs from the first embodiment in that the shape of the position hole with which the detent pin 15 is engaged is as shown in FIG.
The position hole 18 ′ shown in FIG. 9 is adopted instead of the position hole 18 shown in FIG. Position hole 18 '
8 is a structure in which a part of the small circular arc portion 23 of the position hole 18 shown in FIG. This portion is referred to as a small arc portion 23 '. Further, when only the select button 2 is pressed, the detent pin 15 interlocking with the select button 2 descends to the position of the small arc portion 23 '.

The operation procedure of the selector lever 4 at this time is as follows. First, it is not necessary to press the select button 2 to operate between the N range and the D range. When the selector lever 4 is in the D or N range and only the select button 2 is pressed to operate the selector lever 4, the L, 2, or R range can be selected. The selection between the L range and the 2 range is adjusted while observing the position indicator 24 (see FIG. 14).
When the selector lever 4 is in the 2 range, L
When selecting a range, it can be selected by pressing only the select button 2. Furthermore, when both the select button 2 and the auxiliary button 3 are pressed, the P range can be selected. Further, the shift operation from the P range to the R range can be performed by pressing both the select button 2 and the auxiliary button 3. For shift operations other than the above, it is not necessary to press any button.

Also in the second embodiment having the above-mentioned structure, like the first embodiment, it is possible to surely and easily select all the ranges, and further, from the second range to the L range. Since the gear shifting operation can be performed by pressing only the select button 2, it is desirable to use it in a vehicle in which the gear shifting operation between the L range and the 2 range is frequently performed.

Next, a third embodiment of the present invention will be described with reference to FIG. Detailed description will be omitted for the portions or corresponding portions of the third embodiment having the same configuration as the above-described two embodiments.

The feature of the present embodiment is that the shape of the position hole with which the detent pin 15 is engaged is shown in FIG.
18 "is adopted. The position hole 18" forms a convex portion 20 'continuous with the middle circular arc portion 21 between the 2 range and the L range of the position hole 18 shown in FIG. In the present invention, the concave portion 19 'is formed in the portion that is in charge of the L range.

The operation procedure of the selector lever 4 in this case is as follows. First, it is not necessary to press the select button 2 to operate between the N range and the D range. When the selector lever 4 is in the D range or the N range and only the select button 2 is pressed to operate the selector lever 4, the range 2 or R
The range is selected. Furthermore, when both the select button 2 and the auxiliary button 3 are pressed, the L range or the P range can be selected. Also, P to R and L
The shift operation from 2 to 2 is also possible by pressing both the select button 2 and the auxiliary button 3. For shift operations other than the above, it is not necessary to press any button.

In the third embodiment having the above-mentioned structure, like the first embodiment, it is possible to surely and easily select all the ranges, and further, P to R and L to 2 can be selected. Since the shift operation between the ranges is performed by pressing both the select button 2 and the auxiliary button 3,
There is no fear of inadvertently shifting from R to L and from L to 2.

The configuration of the present invention as described above is shown in FIG.
11 is not limited to an AT vehicle shift lever device of the type in which the select button 2 shown in FIG.
It is also possible to adopt a type (referred to as a gun grip type) in which the select button 2 is located on the upper side of the selector knob 1 as shown in FIG. In either case, when the driver puts his thumb on the select button 2, the auxiliary button 3 is provided at a position where it can be easily operated by the index finger or the like.

[0034]

Since the present invention is constructed as described above, the following effects can be obtained. An auxiliary button that intersects with the select button inside the selector knob and protrudes freely from the knob side is slidably engaged with the key groove formed in the select button, and the select button Since it is slidable within the formation range, when the select button is pressed, the end of the key groove comes into contact with the auxiliary button, and the immersion limit position of the select button is limited to the middle part of the entire sliding range. Therefore, the select button is prevented from further immersing, and the detent pin interlocking with the select button is fixed to the middle part of the operating range. Further, since a gate is formed on the auxiliary button and the engagement between the key groove of the select button and the auxiliary button can be released when the auxiliary button is pressed, the auxiliary button can be When both are pressed, the restriction on the sliding range of the select button is released, and the deepest part can be immersed. Therefore, the detent pin interlocked with the select button moves to the deepest part of the operating range.

That is, since the position where the detent pin is fixed differs depending on whether only the select button is pressed or when both the select button and the auxiliary button are pressed, the detent pin is engaged with the uneven end surface of the position hole. The state can be easily adjusted, and the gear shift operation can be accurately performed to the target range without observing the display portion at the select position and without finely adjusting the operation force of the selector lever.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part of an AT vehicle shift lever device showing an embodiment of the present invention.

FIG. 2 is a vertical sectional view taken along the line BB of FIG.

FIG. 3 is a vertical cross-sectional view taken along the line BB of FIG. 1, showing a state in which only the select button is pressed.

FIG. 4 is a vertical cross-sectional view taken along the line BB of FIG. 1, showing a state in which both the select button and the auxiliary button are pressed.

5 is a vertical cross-sectional view taken along the line CC of FIG.

6 is a vertical cross-sectional view taken along the line DD of FIG.

FIG. 7 is a diagram showing vertical movement of a detent pin of the AT vehicle shift lever device according to the present invention.

FIG. 8 is a shift lever device for an AT vehicle according to the present invention,
It is a schematic diagram which shows the position hole in 1st Example.

FIG. 9 is a shift lever device for an AT vehicle according to the present invention,
It is a schematic diagram which shows the position hole in 2nd Example.

FIG. 10 is a shift lever device for an AT vehicle according to the present invention,
It is a schematic diagram which shows the position hole in 3rd Example.

FIG. 11 shows a shift lever device for an AT vehicle according to the present invention,
It is a perspective view of the selector knob in other examples.

FIG. 12 is a schematic diagram showing a conventional example.

13 is a vertical cross-sectional view taken along the line AA of FIG.

FIG. 14 is a schematic diagram showing an example of a position indicator of an AT vehicle shift lever device.

[Explanation of symbols] 1 selector knob 2 select button 3 auxiliary button 4 selector lever 10 spring 11 rod 13 inclined surface 14 inclined surface 25 spring 26 key groove 27 gate

Claims (1)

[Claims] 1. A shift lever device for an AT vehicle in which an inner end portion of a select button projectingly retractable from a side portion of a selector knob is brought into contact with an upper end portion of a rod located inside the selector lever, An auxiliary button that intersects with the select button inside the knob and protrudes from the side of the knob so as to project and retract freely is slidably engaged with the key groove formed in the select button, and the select button is formed with the key groove. For an AT vehicle, which is slidable within a range, and in which the auxiliary button is formed with a gate for releasing the engagement between the key groove of the select button and the auxiliary button when the auxiliary button is pressed. Shift lever device.