JPH10297297A - Structure of shift operation lever for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of pieces of components and the cost, by fixing an almost U-shaped bracket comprising the holes for select shafts, which are integrally cut on the both sides, on a basis part of a shift operation lever, and integrally forming a guide pin part to be engaged with a guide groove of a guide plate, on the bracket. SOLUTION: A bracket 20 is formed by bending a metallic plate into the almost U-shape, the holes 20b for select shafts are respectively cut on the wide width lower parts of the both side parts 20a of the bracket 20, and a basic part of a shift operation lever 10 is fixed to an inner face of the narrow width upper parts of the both side parts 20a, and an inner face of the bottom part 20c by the welding. A guide pin part 20d to be engaged with a guide groove of a guide plate formed by cutting and standing a part of the bottom part 20c in a direction opposite to a rising direction of the both side parts 20a, is integrally formed on the bottom part 20c of the bracket 20, and a wide shift lock part 20e extending to a lower part, is integrally formed on the bottom part 20c.

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 operating lever for an automobile, which can reduce the number of parts and cost.

[0002]

2. Description of the Related Art Conventionally, as a shift operation device for an automobile,
There are a column shift type in which a shift operation lever is provided on a column of a steering wheel and the like, and a floor shift type in which a shift operation lever is provided on a floor of a vehicle body.

As shown in FIGS. 5A and 5B, for example, a shift operation lever 1 of an automatic car is shifted in a shift direction P.
Is pivotably operated in the select direction Q, and is pivotally operated to a predetermined range position in the shift direction P to swing in the select direction Q. The guide pin 2 is engaged with the guide groove 4a of the guide plate 4 fixed to the base plate 3 on the vehicle body side to switch the range.

[0004]

In the conventional shift operation lever 1 described above, a boss 5 having a hole for a select shaft is welded to a fork-shaped guide pin 2, and the base of the shift operation lever 1 is welded to the guide pin 2. The guide pin 2
And the boss 5 are required, and the welding is performed at two places, so that the cost is increased.

Further, there is a type in which the boss 5 and the guide pin 2 are integrally formed in a block shape with a sintered alloy, and the base of the shift operation lever 1 is press-fitted into this block, but this increases the cost.

The present invention has been made to solve the above-mentioned conventional problems, and has as its object to provide a structure of a shift operation lever for an automobile which can reduce the number of parts and cost. It is.

[0007]

In order to solve the above-mentioned problems, the present invention provides a shift operation lever which is rotatable in a shift direction and swingable in a select direction. When the guide pin of the shift operation lever is engaged with the guide groove of the guide plate on the vehicle body to switch the range when the swing operation is performed in the select direction by rotating to the range position, the shift operation lever has a base portion. A bracket having a substantially U-shape in which a select shaft hole is integrally formed on both sides is fixed, and a guide pin portion for engaging with the guide groove of the guide plate is integrally formed on the bracket. An object of the present invention is to provide a structure of a shift operation lever for an automobile.

According to the present invention, the number of parts is reduced by integrally forming the select shaft hole and the guide pin portion on the substantially U-shaped bracket fixed to the base of the shift operation lever, and the shift operation lever is provided. The bracket is fixed to the base of the above, and fixed by welding or the like at one location. By using a synthetic resin molded product or a metal plate press molded product as the bracket, a conventional sintered alloy molded product is not required.

Further, the bracket is formed by bending a metal plate into a substantially U-shape to form holes for select shafts on both sides, and to form an inner surface on both sides and the bottom. If the base of the shift operation lever is fixed by welding and a part of the bottom is cut and raised to integrally form the guide pin, it can be manufactured at low cost with a press-formed metal plate.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. Note that the same components and operations as those of the prior art are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 3, the shift operation lever 10
Is a column shift type provided on a column of a steering wheel or the like.

A base plate 11 having a boss 11a through which a column of the handle penetrates is fixed to a column or the like, and a sleeve 12 is fitted to the boss 11a so as to be rotatable in a shift direction P. The sleeve 12 is integrally formed with a base portion 12a to which the shift operation lever 10 is attached, a moderation groove 12b,..., A select arm portion 12c, and the like.

Under the base plate 11, a spindle 13 and a nut 14a and a washer 14b
A select lever 15 is rotatably supported, and one arm 15a of the select lever 15 has a long hole 1a.
5b, the select arm 12c of the sleeve 12 is fitted and the spindle 1 of the other arm 15c is fitted.
6 and the automatic transmission are connected by a wire or the like (not shown), and the automatic transmission is moved through the select lever 15 to each range (parking, reverse, Neutral).

A moderating leaf spring 17 is fixed to the left side of the base plate 11 with screws 18.
7 engages with the moderation grooves 12b,... Of the sleeve 12 during the rotation operation, thereby giving a sense of moderation to the shift operation of the shift operation lever 10.

On the other hand, as shown in detail in FIG. 1, a bracket 20 formed by bending a metal plate (iron plate or the like) into a substantially U-shape by a press machine is provided. Select shaft hole 20b,
20b, and open both sides 20a, 2a.
The base of the shift operation lever 10 is fixed to the inner surface of the narrow upper portion 0a and the bottom portion 20c by welding.

The bottom 20c of the bracket 20 has a guide pin 20d formed by cutting and raising a part of the bottom 20c in a direction opposite to the rising direction of the both sides 20a.
(See FIG. 2B) and the bottom 2
0c has a wide shift lock portion 20e extending downward.
Are integrally formed.

Returning to FIG. 3, the shift operation lever 10
The lower wide portion of the bracket 20 to which the base is fixed is fitted to the base 12a of the sleeve 12 from the outside,
The select shaft 21 is passed through each of the select shaft holes 20b, 20b and the through hole 12d of the base 12a, and the nut 22 is
, The shift operation lever 10 is attached to the sleeve 12.

As a result, the sleeve 12 can be turned by the shift operation lever 10 in the shift direction P.
Further, the shift operation lever 10 can be swingably operated in the select direction Q by the select shaft 21.

The shift operation lever 10 is selected by fixing a select leaf spring 23 to the base portion 12a of the sleeve 12 with a screw 24 and bringing the free end of the select leaf spring 23 into contact with the bottom 20c of the bracket 20. It is urged in the direction (the direction of the base plate 11).

On the right side of the base plate 11, a range switching guide plate 26 is fixed with screws 27, 27. On the outer peripheral edge of the guide plate 26, guide grooves 26a,. It is formed at an interval integral with P.

When the shift operation lever 10 is swung in the anti-selection direction against the urging force of the selection leaf spring 23, the guide pin portion 20d of the bracket 20 is moved to the guide groove 26a of the guide plate 26. The guide pin portion 20d of the bracket 20 can be pivoted in the shift direction, and can be pivoted in the select direction.
a,... to be held in the corresponding range.

Since the shift operation lever 10 is urged in the select direction by the selection leaf spring 23, the guide pin portion 20d is released even if the hand is released from the shift operation lever 10.
Are not removed from the guide grooves 26a,.

A switch 28 for detecting the shift operation lever 10 at the parking range position is fixed to the upper right portion of the base plate 11, and a solenoid 29 is fixed to the upper left portion by screws 30,30.

The plunger 29a of the solenoid 20
Is provided with a shaft portion 11b, and a shaft hole 31a of a triangular cam 31 is provided in the shaft portion 11b.
Is rotatably inserted and is prevented from coming off by the push nut 32.

As shown in FIG. 4, the upper portion of the cam 31 is fitted into the split groove 29b of the plunger 29a, and the side hole 29c of the plunger 29a and the elongated hole 31b of the cam 31 are formed.
The spring pin 33 into the plunger 29
The cam 31 is connected to a.

In the elongated hole 31c at the tip of the cam 31,
A pair of rising walls 11c, 1 of the base plate 11
The pin portion 34a of the shift lock plate 34 guided between 1c is inserted.

A wire spring 35 for urging the cam 31 in the locking direction R is wound around the shaft portion 11b of the base plate 11, and the solenoid 29 is excited when the brake pedal is depressed, so that the plunger 29a is retracted. At this time, the cam 31 is rotated in the unlocking direction (counterclockwise direction) U against the urging force of the wire spring 35.

When the shift lock plate 34 is moved together with the cam 31 in the lock direction R, as shown in detail in FIG. 2, the shift lock plate 34 is inward of the shift lock portion 20e of the bracket 20 of the shift operation lever 10 in the parking range. Then, the shift lock portion 20e is stopped, and the shift operation lever 10 is prevented from swinging in the anti-selection direction Q '(shift lock).

When the solenoid 29 is excited by depressing the brake pedal and moves in the unlocking direction U together with the cam 31, the solenoid 29 comes off the shift lock portion 20e of the bracket 20 and releases the shift operation lever 10. The swing operation can be performed in the select direction Q '(shift lock release).

As described above, the shift operation lever 10
Sides 20 of bracket 20 fixed by welding to the base of
By forming the select shaft holes 20b and 20b integrally with the a and 20a and integrally forming the guide pin 20d with the bottom 20c, a separate guide pin is not required, so that the number of parts can be reduced. Further, since the bracket 20 is merely fixed to the base of the shift operation lever 10 by welding, welding is fixed at one place, thereby reducing costs. In addition, since the bracket 20 is a press-formed product of a metal plate, the cost is reduced. Be cheap.

In the above embodiment, the column shift type is used. However, it goes without saying that the present invention can be applied to a floor shift type.

[0032]

As is clear from the above description, the structure of the shift operation lever of the present invention is such that the bracket for fixing to the shift operation lever is formed integrally with the select shaft hole and the guide pin portion. This eliminates the need for another guide pin and becomes a single part of only the bracket, reducing the number of parts and fixing the bracket to the shift operation lever, so that fixing by welding or the like becomes one place. , Resulting in cost reduction.

Furthermore, by using a synthetic resin molded product or a metal plate press molded product as the bracket, the cost does not increase as in the case of a sintered alloy molded product, so that the cost is reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a structure of a shift operation lever of the present invention.

FIG. 2 shows the structure of a shift operation lever, where (A) is a front view and (B) is a side view.

FIG. 3 is an exploded perspective view of the entire shift device.

FIG. 4 shows a shift lock structure, (A) is a perspective view,
(B) is a front view.

5A and 5B are a conventional shift operation lever structure and a shift lock structure, wherein FIG. 5A is a side view and FIG. 5B is a perspective view.

[Explanation of symbols]

 Reference Signs List 10 shift operation lever 11 base plate 12 sleeve 20 bracket 20a both sides 20b select shaft hole 20c bottom 20d guide pin 20e shift lock 26 guide plate 26a guide groove

Claims (2)

[Claims] A shift operation lever is provided which is rotatable in a shift direction and swingable in a select direction, and is rotated to a predetermined range position in the shift direction to swing in the select direction. The shift pin is engaged with a guide groove of a guide plate on a vehicle body side to switch a range. Fix the shaped bracket,
A structure of a shift operation lever for an automobile, wherein a guide pin portion engaging with a guide groove of the guide plate is integrally formed with the bracket. 2. The bracket according to claim 1, wherein the bracket is formed by bending a metal plate into a substantially U-shape, and a hole for a select shaft is formed on both sides, and a base of the shift operation lever is formed on inner surfaces of both sides and a bottom. 2. The structure of a shift operation lever for an automobile according to claim 1, wherein the guide pin portion is integrally formed by cutting and raising a part of the bottom portion while fixing by welding.