JP2002067725A - Shift lever device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a disengaging mechanism from a detent part of a detent pin. SOLUTION: A shift lever device is constituted of a guide member 1 to move to oscillate around a specified mounting point (O1O1) as a fulcrum and to perform a role of a guide at the time of making a specified member move to slide in the axial direction, a rod 2 having a knob 3 on its one end side, the other end side of which is inserted in the guide member 1 and reciprocatively and rectilinearly move in the axial direction of the guide member 1 and having the detent pin 25 to work to be engaged with the detent part 66 on a shift device on a head end part 22 on the side to be inserted into the guide member 1 and a spring 5 to display spring reaction force in a direction where the detent pin 25 provided on the rod 2 and the detent part 66 provided on the shift device are engaged with each other.

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 shift operation device.
Disengagement operation of the detent pin from the detent part
The present invention relates to a shift lever device that is operated by pushing a knob and a rod integrally formed with the knob in an axial direction of the knob.

[0002]

2. Description of the Related Art As shown in FIG. 3, a conventional shift lever device has a tubular shape, and a lower end, which is one end, is connected to a bracket 40, and a knob grip is provided at an upper end. A push button 50 provided at the knob grip 30; a tubular lever body 10;
The rod 20 which is installed in the inside and reciprocates linearly in the axial direction thereof, and is provided at the lower end of the rod 20 and appropriately engages with a detent portion 60 of a separately provided detent plate. Detent pin 21
0 and a spring 70 that is provided in the lever body 10 and that exerts a spring reaction force so as to always push the rod 20 upward. In this basic configuration, the lower end of the lever main body 10 is attached to a bracket 40, and the bracket 40 is attached so as to be able to rotate around a predetermined center line (O1O1). It is something that can be done. Therefore, the lever main body 10 is mounted so as to be capable of oscillating motion about the center line (O1 O1), and the shift operation is performed based on this oscillating motion. . Further, in such a configuration, a cam portion 250 having a predetermined inclined surface is provided at an upper end portion of the rod 20, and the cam portion 250 is provided with the knob grip 30. The front end 550 of a link 510 that is operated by operating a push button 50 provided on a part of the link is engaged. Accordingly, by operating the push button 50 so as to be pressed, the link 510 is pressed.
Of the rod 20 actuates the cam portion 250, whereby the rod 20 is pushed down.
As a result, the detent pin 210 provided at the lower end of the rod 20 also moves downward in conjunction with the above operation, whereby the state of engagement of the detent pin 210 with the detent section 60 is appropriately released. It is something that has become.

[0003]

The above-mentioned prior art has a rod 20 which reciprocates linearly in the axial direction of the lever body 10 inside the lever body 10.
0 must have some thickness. In the knob grip 30, a cam portion 250, a link 510 interacting with the cam portion 250, and further,
A push button 50 for driving the link 510 is provided, and the knob grip 30 itself must be large. Further, a link 510, a cam portion 250, a push button 50, and the like are provided in the knob grip 30, and the detent pin 210 is operated by these operations. There is a problem that the operating mechanism of the shift lever 210 becomes complicated and the manufacturing cost of the entire shift lever device must be increased. In order to solve such a problem, there is provided a shift lever device having a configuration having a detent pin engagement release mechanism having a simple structure by eliminating a mechanism including a push button and a link provided in the knob grip. What is to be attempted is the object (problem) of the present invention.

[0004]

Means for Solving the Problems In order to solve the above problems, the present invention takes the following measures. That is, according to the first aspect of the present invention, the shift lever device performs a swinging motion with a predetermined mounting point as a fulcrum, and serves as a guide when the predetermined member slides in the axial direction. And a knob at one end, wherein the other end is inserted into the guide member and reciprocates linearly in the axial direction of the guide member, and is inserted into the guide member. A rod having a detent pin which is appropriately engaged with a detent portion of the shift device at a tip portion on the side, and the detent pin provided on the rod and the detent portion provided on the shift device are engaged with each other. A configuration that includes a spring that exerts a spring reaction force is adopted.

[0005] By adopting such a structure, in the present invention, the mechanism for releasing the engagement of the detent pin has a simple structure, so that the weight of the entire shift lever device including the knob is reduced, and further, the manufacturing cost is reduced. Can be achieved. That is, the disengagement of the detent pin from the detent portion is performed by pushing the knob in the axial direction of the rod to which the knob is attached. Push buttons, links, etc. become unnecessary,
The structure around the knob will be simplified. Thereby, the weight of the knob can be reduced. Also, the upper half of the guide member does not need to have a structure including the rod, and the weight of the guide member can be reduced.

Next, the invention according to claim 2 will be described. This is also basically the same as the first aspect. That is, in the present invention, in the shift lever device according to claim 1, the guide member is formed of a tubular body having a predetermined length, and the rod is provided at an appropriate position in the guide member. When the spring is moved by a predetermined amount in a direction against the spring reaction force, a stopper formed of a cushion body that acts to regulate the movement of the rod is provided. By adopting such a configuration, in the device of the present invention, the weight of the guide member is reduced, and the rod and the knob are pushed downward when the knob and the rod are disengaged when the detent pin is disengaged. When the distal end portion comes into contact with the stopper made of the cushion body, the downward movement is regulated, and the generation of abnormal noise and the like is suppressed. That is, occurrence of a tapping sound (abnormal noise) due to a contact action between the cam portion and the link tip portion based on the spring reaction force of the spring (return spring), which is a concern in the conventional device, is suppressed. .

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. According to the present embodiment, as shown in FIG. 1, the configuration is such that a guide member 1 made of a tubular member and a part inserted in the guide member 1 reciprocate in the tubular guide member 1. A rod 2 that moves linearly, a knob 3 provided integrally with the rod 2 at the upper end of the rod 2, and a knob 3 provided at the lower end of the rod 2 and within the tubular guide member 1; Further, it is basically composed of a spring 5 which operates so as to always push the rod 2 upward.

In such a basic structure, the guide member 1 is attached to a base bracket 8 at a lower end thereof, and the base bracket 8 is attached to a predetermined axis (O1O) which is an attachment point to a vehicle body or the like.
It is designed to be mounted so that swinging movement is possible with 1) as a fulcrum. Therefore, the present shift lever device having the rod 2 and the like provided in such a state that a part thereof is inserted into the guide member 1 has the above-mentioned axis (O1O).
It will swing around 1). Based on this swinging motion, the rod 2 moves in a groove-shaped shift pattern 61 provided in a part of the garnish 6, as shown in FIG. A predetermined shift operation is performed by the movement of the rod 2. That is, by operating the knob 3 by a driver or the like, the rod 2 is appropriately moved in the shift pattern 61, and the entire shift lever device is oscillated about the axis (O1O1) shown in FIG. Thus, a predetermined shift operation is performed.

At the lower end of the rod 2 having such a structure, as shown in FIG.
5 are provided. As shown in FIG. 1, a spring (return) that exerts a spring reaction force so as to always push the rod 2 upward is provided below the main rod 2 on which the detent pin 25 is provided. (Spring) 5 is provided. Therefore, in the present embodiment, the detent pin 2
Numeral 5 is always pressed against a detent portion 66 provided on a part of the garnish 6 or the like, and is engaged with the detent portion 66.

The detent pin 25 is pushed upward by the action of the return spring 5 near the upper end of the tubular guide member 1 into which the rod 2 having such a structure is inserted. A return stopper 15 that is sometimes engaged is provided (see FIG. 1). The return stopper 15 is basically made of a rubber band member. When the detent pin 25 is vigorously pushed upward by the spring reaction force of the return spring 5, the return stopper 1
5, the generation of abnormal noise such as an engagement hitting noise is suppressed. When the rod 2 moves downward by a predetermined amount, the movement is restricted inside the tubular guide member 1 having such a configuration and near the lower end of the rod 2. A stopper 7 is provided so as to act. The stopper 7 is made of a cushion body made of a rubber material or a soft plastic material. Therefore, in FIG. 1, when a force in the direction shown by the arrow is applied from the knob 3 and the distal end portion (lower end portion) 22 of the rod 2 is pushed down, the distal end portion 2 of the rod 2 is moved downward.
2 comes into contact with the stopper 7 so that further downward movement is stopped.
Note that the movement stop function at this time is gently performed by the buffering action of the stopper 7. Therefore, when the rod tip portion 22 comes into contact with the stopper 7, generation of abnormal noise such as tapping noise is suppressed.

Next, the shift operation mode of this embodiment having the above-described configuration, and particularly, the disengagement operation of the detent pin 25 from the detent portion 66 related to the shift operation will be described. 1 will be described. In this case, first, an operator such as a driver grasps the knob 3 in FIG. 2 and operates so as to push the knob 3 in the direction shown by the arrow in FIG. by this,
The rod 2 provided integrally with the knob 3 moves downward (in the direction of the arrow) around a lower end portion (tip portion) 22 of the rod 2 in a state where it is opposed to the spring reaction force of the return spring 5 in the tubular guide member 1. And move. As a result, the detent pin 25 provided near the distal end (lower end) 22 of the rod 2 also moves downward as shown by the two-dot chain line. As a result, the detent pin 25 separates from the previously engaged detent portion 66 and is disengaged. In such a state, the operator operates the knob 3 in the direction of the arrow in FIG. 2 to move the rod 2 forming the shift lever device within the shift pattern 61. By performing such an operation, the present shift lever device is shifted to a predetermined position. Then, at this position, FIG.
By stopping the pressing operation of the knob 3 in the direction shown by the arrow in (2) (releasing the pressing force), the rod 2 and the detent pin 2 provided integrally with the rod 2 are stopped.
5 is pushed upward by the spring reaction force of the return spring 5. As a result, the detent pin 25 is engaged with the predetermined detent portion 66. Thus, the shift operation to the predetermined position is completed.

[0012]

According to the present invention, with respect to the shift lever device, a swinging motion is performed with a predetermined mounting point as a fulcrum, and a role of a guide when sliding a predetermined member in the axial direction thereof. And a knob at one end, wherein the other end is inserted into the guide member and reciprocates linearly in the axial direction of the guide member, and is inserted into the guide member. A rod having a detent pin which is appropriately engaged with a detent portion of the shift device at a tip portion on the side, and the detent pin provided on the rod and the detent portion provided on the shift device are engaged with each other. And a spring that exerts a spring reaction force. Therefore, the mechanism for releasing the engagement of the detent pin has a simple structure, and the mechanism including the knob is provided. Weight of the entire Trevor device, it has become possible to further reduce the manufacturing cost. In other words, the disengagement of the detent pin from the detent portion is performed by pushing the knob in the axial direction of the rod to which the knob is attached, so that the conventional device is provided with the rod. Push buttons and links are no longer required, and the structure around the knob has been simplified. As a result, the weight of the knob can be reduced, and the manufacturing cost can be reduced.
Further, the upper half of the guide member does not need to have a structure including the rod, and the weight of the guide member can be reduced.

The guide member is formed of a tubular body having a predetermined length, and a predetermined amount of the rod is provided at an appropriate position in the guide member in a direction against the spring reaction force of the spring. In the present invention, the guide member is reduced in weight while adopting a configuration in which a stopper made of a cushion body that acts to restrict the movement of the rod when moving is provided. When the knob and the rod are pushed downward when the detent pin is disengaged, the downward movement of the rod is restricted by the rod tip contacting the stopper made of the cushion body. As a result, the generation of abnormal noise and the like has been suppressed. That is, occurrence of a tapping noise (abnormal noise) due to a contact action between the cam portion and the link tip portion based on the spring reaction force of the spring (return spring), which has been a concern in the related art, is not considered to be a problem. became.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing the overall configuration of the present invention.

FIG. 2 is a perspective view showing an entire configuration of a shift lever device according to the present invention.

FIG. 3 is a longitudinal sectional view showing the entire configuration of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Guide member 15 Return stopper 2 Rod 22 Tip part (lower end part) 25 Detent pin 3 Knob 5 Spring (return spring) 6 Garnish 61 Shift pattern 66 Detent part 7 Stopper 8 Bracket (Base bracket)

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Norio Yoneya 5-33-8 Shiba, Minato-ku, Tokyo Mitsubishi Motors Corporation F-term (reference) 3D040 AA03 AB01 AC03 AC59 3J070 AA03 AA24 BA71 CA25 CA52 CB02 CD05 DA02 EA12

Claims (2)

[Claims] 1. A guide member which performs a swinging motion with a predetermined mounting point as a fulcrum, and serves as a guide when sliding a predetermined member in the axial direction thereof, and a knob at one end side. The other end is inserted into the guide member to make a reciprocating linear movement in the axial direction of the guide member, and the detent in the shift device is located at the tip end on the side inserted into the guide member. A rod having a detent pin that appropriately engages with the portion, and a spring that exerts a spring reaction force so that the detent pin provided on the rod and the detent portion provided on the shift device engage with each other. A shift lever device, characterized in that: 2. The shift lever device according to claim 1, wherein the guide member is formed of a tubular body having a predetermined length, and the rod is provided at an appropriate position in the guide member. A shift lever device provided with a stopper made of a cushion body that acts to restrict the movement of the rod when the rod moves by a predetermined amount in a direction against the spring reaction force.