JPH0722165U - Reversible shift lever device for automatic transmission - Google Patents

Abstract

(57) [Summary] (Modified) [Objective] To provide a retractable shift lever device having a simple structure, easy operation, reliable operation, and low manufacturing cost. [Structure] The shift lever 10 includes a lower tube 11,
Knob button 51 rotatably supported by the bracket 13
The compression rod 20 is divided into two parts, that is, the upper tube 12 on the side, and the compression rod 20 is fitted into the lower tube 11 and has a lower insert member 21 provided with a detent pin 27. It is divided into two parts, the upper insert member 22 fitted into the upper tube 12, and
A lock pin 31 that selectively engages with the upright lock groove 13c and the fall lock groove 13d formed by being positioned on the upper tube 12 side of the bracket 13, and the lock pin 31 on the lock groove 13c side and the lock groove. The lock mechanism 30 including the pressure contact means 32 that pressure contacts the 13d side is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a foldable shift lever device for an automatic transmission, and more particularly to a foldable shift lever device having a compression rod built into a shift lever.

[0002]

[Prior art]

 When the vehicle is stopped, that is, when the shift lever is shifted to the parking position, it may be difficult to get on and off the occupant from the driver's side under the circumstances, and the passenger may get on and off from the passenger seat. By the way, the shift lever of the shift lever device is arranged on the side opposite to the door of the driver's seat. Was becoming. Therefore, various types of retractable shift lever devices have been proposed in the past, in which the shift lever can be bent in the middle.

In this type of retractable shift lever device having a compression rod that can move axially in the shift lever, it is required that this compression rod can be bent at the same time as the shift lever. To be done. Also, when the shift lever is shifted to a position other than the parking position, it is required that the shift lever cannot be bent.

By the way, the important points in designing and manufacturing the shift lever device described above are as follows. The structure is simple. Easy to operate. The operation is reliable. Manufacturing cost is low.

[0005]

However, the present situation is that no folding type shift lever device for an automatic transmission that satisfies the above points has been proposed.

An object of the present invention is to provide a foldable shift lever device for an automatic transmission that can satisfy all the important points described above.

[0007]

[Means for Solving the Problems]

 To achieve the above object, in the retractable shift lever device for an automatic transmission according to claim 1 of the present invention, a detent pin is inserted into a detent groove via a compression rod by operating a knob button provided on a shift lever. A retractable shift lever device for an automatic transmission, wherein the shift lever can be selectively engaged and disengaged, and the shift lever can be bent at an intermediate portion. Is divided into two parts: a lower tube that is rotatably supported on the lower tube and an upper tube on the knob button side that is rotatably supported by a bracket fixed to the lower tube. The compression rod is attached to the lower tube. While being inserted, the lower insert member provided with the detent pin and the lower insert member are bendably connected to the lower insert member. An upright lock groove formed by being divided into two parts, an upper insert member fitted into the upper tube, and positioned on the upper tube side of the bracket, and a fall formed apart from the upright lock groove. Lock means provided with the lock pin provided on the upper tube that selectively engages with the lock groove for use, and a pressure contact means that press-connects the lock pin to the upright lock groove side and the fall lock groove side. It is characterized by that.

Further, in the retractable shift lever device of the automatic transmission according to the second aspect, the bending restricting means capable of bending the upper tube is provided only when the shift lever is shifted to the parking position. It has a feature.

[0009]

[Action]

 According to the retractable shift lever device of the automatic transmission of the first aspect, the shift lever is held in the upright state when the lock pin is in pressure contact with the upright lock groove by the pressure contact means. To shift the shift lever upright state to the fallen state, the upper tube is bent together with the upper insert member, and the lock pin is brought into pressure contact with the fall lock groove by the pressure contact means.

Further, according to the retractable shift lever device of the automatic transmission of claim 2, since the shift lever cannot be laid down when the shift lever is shifted to a position other than the parking position, the shift lever cannot be laid down. It is possible to prevent accidental lodging when using the lever.

[0011]

【Example】

 The present invention will be described below based on the embodiments shown in the drawings.

1 to 5 relate to a first embodiment of the present invention, FIG. 1 is a front view explanatory view of a foldable shift lever device of an automatic transmission, and FIG. 2 is a sectional view taken along the line II-II of FIG. FIG. 3 is a sectional view taken along the line III-III of FIG. 2, FIG. 4 is a sectional view taken along the line IV-IV of FIG. 2, and FIG. 5 is an explanatory view showing a state when the shift lever is laid down.

In the figure, E is a foldable shift lever device of an automatic transmission, which operates a knob button 51 provided on a shift lever 10 to move a detent pin 27 into a detent groove 61a via a compression rod 20. The engagement and disengagement are made alternatively.

According to this invention, in particular, the shift lever 10 is rotatably supported by a lower tube 11 rotatably supported on the vehicle body 60 side and a bracket 13 fixed to the lower tube 11. It is divided into two parts, the upper tube 12 on the knob button 51 side, and the compression rod 20 is fitted into the lower tube 11 and can be bent into the lower insert member 21 provided with a detent pin 27 and the lower insert member 21. And an upright lock groove 13c formed by being positioned on the upper tube 12 side of the bracket 13 and further divided into an upper insert member 22 fitted into the upper tube 12 and the upper insert member 22. It selectively engages with the fall lock groove 13d formed away from the lock groove 13c. A feature is that a lock mechanism 30 including a lock pin 31 provided on the upper tube 12 and a pressure contact means 32 for pressing the lock pin 31 to the upright lock groove 13c side and the fall lock groove 13d side is provided.

Further, the invention is characterized in that the bending restricting means 40 is provided so that the upper tube 12 can be bent only when the shift lever 10 is shifted to the parking position.

Further, the structure of the present invention will be described in detail.

The shift lever 10 is divided into a lower tube 11 and an upper tube 12, and the lower tube 11 is axially supported by a shift shaft 14 on a vehicle body, for example, a floor 60, and an intermediate portion of the lower tube 11 in the axial direction. A long hole 11a is formed through which the detent pin 27 is inserted. Further, a bracket 13 having a U-shaped cross section and having a pair of upright walls 13a and 13b is fixed to the upper portion of the lower tube 11 at a predetermined interval. On the upper surfaces of the pair of upright walls 13a, 13b, upright lock grooves 13c are formed on the vertical lines passing through the axis of the lower tube 11, respectively, and the opening side edges of the pair of upright walls 13a, 13b are formed. A falling lock groove 13d is formed on the surface at a position of about 90 ° apart from the standing lock groove 13c.

The lower portion of the upper tube 12 is clamped by the upright walls 13a and 13b of the bracket 13, and the upper tube 12 is rotatably supported by a pivot 15 provided orthogonal to the detent pin 27 on the upright walls 13a and 13b. There is. A knob 50 is attached to the upper part of the upper tube 12, and a knob button 51 urged by a compression spring 52 to project outward is fitted in the knob 50 in a direction orthogonal to the axis. ing.

The compression rod 20 includes a lower insert member 21 fitted in the lower tube 11, an upper insert member 22 fitted in the upper tube 12, and a rod 23 attached to the upper insert member 22. An engaging member 24 is integrally provided on the upper portion of the rod 23. A compression spring 25 is interposed between the lower surface of the engagement member 24 and the ring 16 provided on the upper inner peripheral surface of the upper tube 12, and the compression spring 25 causes the engagement member 24 to move upward. The knob button 51 is biased and press-contacts with the knob button 51.

The lower insert member 21 is biased upward by a compression spring 26 interposed in the lower tube 11, and has a detent pin 27 inserted into the elongated hole 11 a of the lower tube 11 at the lower part thereof. Are planted orthogonally to the axis. Further, the upper insert member 22 is formed with elongated holes 22 a and 22 b for inserting the pivot 15 and the lock pin 31, respectively, orthogonal to the elongated hole 11 a of the lower tube 11.

A detent plate 61 having a detent groove 61a with which the detent pin 27 is selectively engaged is fixed to the floor 60, and the detent groove 61a is a shift position selected by the shift lever 10, for example, a parking position. (P position), reverse position (R position), neutral position (N position), drive position (D position), 2 positions, and 1 position. Then, by selectively engaging the detent pin 27 with the detent groove 61a, the shift lever 10 is shifted.

The lock mechanism 30 includes a lock pin 31 and a pressure contact means 32. The lock pin 31 is inserted into the upper tube 12 into an elongated hole 12 a formed so as to penetrate in parallel with the lock pin 31. The compression spring 32 serving as a pressure contact means includes a washer 33 inserted into the outer peripheral surface of the upper tube 12 so as to abut the lock pin 31, and the upper tube 12 is spaced above the washer 33 by a predetermined distance. The lock pin 31 is interposed between the washer 34 which is inserted and fixed to the outer peripheral surface, and the compression spring 32 causes the lock pin 31 to be in the upright lock groove 13c when the shift lever 10 is upright, and in the downturn lock groove 13d when the shift lever 10 is upright. Each of them is set to be in pressure contact engagement.

The bending regulation means 40 includes a stopper 41 and a stopper regulation portion 42 that regulates the movement of the stopper 41. The stopper 41 is integrally provided on the outer peripheral surface of the upper tube 12 so as to project toward the detent plate 61 side, and the lower surface thereof is formed in an arc shape having a radius R centered on the axis of the shift shaft 14. Has been done. In addition, a projection 41 a extending toward the stopper regulating portion 42 is formed at the tip of the stopper 41.

The stopper restricting portion 42 is formed in a fan shape on the upper part of the detent plate 61, and its upper surface is an arc surface 42a centered on the axial center of the shift shaft 14, and the radius R of this circular arc surface 42a. ₁ is set to be slightly smaller than the radius R. Further, as shown in FIG. 1, the left end surface 42b of the arc surface 42a is arranged with a slight gap a with the right end surface 41b of the stopper 41 when the shift lever 10 is shifted to the P position. Further, the right end surface 42c of the arc surface 42a is formed to extend slightly rightward from the axis of the shift lever 10 when the shift lever 10 is shifted to one position.

Next, the operation of the first embodiment of the present invention will be described.

As shown in FIGS. 1 and 2, when the shift lever 10 is in the upright state, the lock pin 31 is pressed into engagement with the upright lock groove 13c by the spring force of the compression spring 32. The shift lever 10 can be held in the upright state.

When shifting the shift lever 10 to a predetermined position, the knob button 51 is pressed. Then, the lower insert member 21 descends via the engaging member 24, the rod 23, and the upper insert member 22, whereby the detent pin 27 is disengaged from the detent groove 61a. In this state, the shift lever 10 is rotated to a position corresponding to a predetermined position, and when the knob button 51 is released at that position, the detent pin 27 is pressed into engagement with the predetermined detent groove 61a by the spring force of the compression spring 26. As a result, the shift lever 10 can be shifted to a predetermined position.

To shift the shift lever 10 in the P position as shown in FIGS. 1 and 2 to the collapsed state as shown in FIG. 5, the shift lever 10 is rotated in the direction of arrow A in FIG. Then, the upper tube 12 and the upper insert member 22 are bent in the arrow A direction around the pivot 15. At this time, the lock pin 31 moves upward against the spring force of the compression spring 32, and separates from the upright lock groove 13c. Then, when the lock pin 31 reaches a position facing the fall lock groove 13d, the spring force of the compression spring 32 press-engages the fall lock groove 13d. As a result, the shift lever 10 can be held in the laid state.

As described above, according to the first embodiment of the present invention, it is possible to change from the standing state to the lying state or from the lying state to the standing state by simply rotating the shift lever 10, and the operation is performed. It's extremely easy.

Further, since the lock pin 31 press-engages with the upright lock groove 13c or the upright lock groove 13d, the upright state or the upright state of the shift lever 10 can be maintained, so that the operation is reliable. Further, since the structure can be simplified, the manufacturing cost can be reduced.

Further, when the shift lever 10 is shifted to a position other than the P position, even if the shift lever 10 is to be rotated in the direction of arrow A, the protrusion 41 a of the stopper 41 contacts the stopper regulating portion 42. It touches and its movement is regulated. As a result, the upper tube 12 cannot be bent, and it is possible to prevent accidental collapse when the shift lever 10 is used.

6 to 9 relate to a second embodiment of the present invention, FIG. 6 is a front view explanatory view of a foldable shift lever device of an automatic transmission, and FIG. 7 is a sectional view taken along line VII-VII of FIG. 7 is a sectional view taken along the line VIII-VIII of FIG. 7, and FIG. 9 is a sectional view taken along the line IX-XI of FIG.

In the lock mechanism 30 of the second embodiment, the leaf spring 32A is used as the pressure contact means. The leaf spring 32A has a base portion 32a fixed to a stopper 41, and a lock pin 31 is elastically pressed by a forked portion 32b formed at the front end.

Other configurations and operations are the same as those shown in the first embodiment, and the description thereof will be omitted.

[0035]

[Effect of device]

 As described above, according to the retractable shift lever device for an automatic transmission according to claim 1 of the present invention, it is possible to facilitate the operation and ensure the operation, and the structure is simple and the manufacturing cost is low. It can be cheap.

According to the retractable shift lever device of the automatic transmission of claim 2, the shift lever cannot be laid down at any position other than the parking position. Therefore, it is possible to prevent accidental laying down when the shift lever is used. You can

[Brief description of drawings]

FIG. 1 is an explanatory front view of a retractable shift lever device for an automatic transmission according to a first embodiment of the present invention.

2 is a cross-sectional view taken along the line II-II of FIG.

3 is a cross-sectional view taken along the line III-III of FIG.

4 is a cross-sectional view taken along the line IV-IV of FIG.

FIG. 5 is an explanatory diagram showing a state when the shift lever is in a fall position.

FIG. 6 is an explanatory front view of a retractable shift lever device for an automatic transmission according to a second embodiment of the present invention.

7 is a cross sectional view taken along the line VII-VII of FIG.

FIG. 8 is a cross sectional view taken along the line VIII-VIII of FIG.

9 is a cross-sectional view taken along the line IX-IX of FIG.

[Explanation of symbols]

 E Retractable shift lever device for automatic transmission 10 Shift lever 11 Lower tube 12 Upper tube 13 Bracket 13c Standing lock groove 13d Falling lock groove 14 Shift shaft 15 Axis 20 Compression rod 21 Lower insert member 22 Upper insert member 23 Rod 24 Engaging Member 27 Detent Pin 30 Lock Mechanism 31 Lock Pin 32 Pressure Contact Means (Compression Spring) 32A Pressure Contact Means (Leaf Spring) 40 Bend Restriction Means 41 Stopper 42 Stopper Restriction Part 50 Knob 51 Knob Button 60 Car Body (Floor) 61 Detent Plate 61a Detent groove

Claims (2)

[Scope of utility model registration request] 1. A detent pin is selectively engaged with and disengaged from a detent groove via a compression rod by operating a knob button provided on the shift lever, and the shift lever can be bent at an intermediate portion. In the retractable shift lever device for an automatic transmission, the shift lever is rotatably supported by a lower tube pivotally supported on the vehicle body side and a bracket fixed to the lower tube. The upper tube on the side of the knob button is divided into two parts, and the compression rod is fitted into the lower tube, and the lower insert member provided with the detent pin and the lower insert member are bendable. 2 with the upper insert member that is in contact with and is fitted into the upper tube.
In the upper tube that is divided and further engages selectively with the upright lock groove formed by being positioned on the upper tube side of the bracket and the fall lock groove formed apart from the upright lock groove. A foldable shift lever device for an automatic transmission, comprising: a lock means including a provided lock pin and a pressure contact means for pressing the lock pin to the upright lock groove side and the fall lock groove side. 2. A foldable shift for an automatic transmission according to claim 1, further comprising bending control means capable of bending the upper tube only when the shift lever is shifted to the parking position. Lever device.