JPH023008Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to an improvement of a shift lever device for an automatic transmission for an automobile.

``Prior Art'' The shift lever device of an automatic transmission for automobiles is equipped with a moderation mechanism so that it can be switched at will during normal driving, but if the shift lever device is in the parking position, If the shift lever is in the back position, the shift lever is restrained in that position by a restraint mechanism, and the restraint is released by pressing a button to enable switching operation.

The transmission member to the restraint mechanism is inserted vertically into the shift lever, the push button is held approximately horizontally by a handle provided on the head of the shift lever, and the end of the push button is held on the sloped part provided on the head of the transmission member. Generally, the restraint mechanism is released by bringing them into contact and pushing a push button.

In the conventional shift lever device, as shown in FIG. 6, a head block 2 having an inclined part 2a is screwed into a threaded part 1a formed on the head of a main body of a transmission member 1 to the restraint mechanism. The connection relationship between the push button and the transmission member 1 and the operating position of the restraint mechanism are adjusted by the amount of engagement of the push button 2 with the threaded portion 1a.

``Problem that the invention seeks to solve'' However, in conventional shift lever devices for automatic transmissions for automobiles, the adjustment mechanism is located inside the shift lever, so the adjustment result can be determined by touching the handle of the shift lever. This can only be done after fixing the shift lever to the main body, and if the adjustment results are poor, the handle cannot be readjusted without removing the handle, which is extremely complicated and has poor workability.

The present invention was developed with a focus on these conventional problems, and is a shift lever device for automatic transmissions for automobiles that solves the above problems by allowing adjustment after the shift lever is installed and assembled. is intended to provide.

``Means for Solving the Problems'' The gist of the present invention to achieve the above object is to provide a restraining mechanism in which a shift lever is swingably supported and which locks the shift lever at a predetermined shift position. In the shift lever device for an automatic transmission for an automobile, the transmission member for the restraint mechanism is inserted into the shift lever body, and the transmission member is vertically moved to release the restraint mechanism. A handle fixed to the head is provided with an operating part, and a shaft is attached to the head of the shift lever body so that the handle can be moved up and down with the transmission member relative to the shift lever body for position adjustment and fixed. A long hole is drilled in the direction, a mounting screw is passed through the screw insertion hole drilled in the handle, and then passed through the long hole, and a screw hole is formed in the mating member for fixing provided on the inner surface of the head. The present invention relates to a shift lever device for an automatic transmission for an automobile, characterized in that the handle is fastened and fixed by screwing together the mounting screw.

"Function" After installing and assembling the shift lever, if the handle is moved up and down with respect to the shift lever body, the push button will also move together with the handle, and the engagement relationship between the push button and the transmission member will change. By fixing the handle in an appropriate position, it is possible to adjust the operation of the restraint mechanism.

“Embodiment” An embodiment of the present invention will be described below based on the drawings.

1 to 5 show an embodiment of the present invention.

As shown in FIGS. 4 and 5, the shift lever device 10 of an automatic transmission for an automobile includes a base member 20 fixed to the floor near the driver's seat, and a base member 20 that is pivoted to the base member 20 via a pivot 22. One end of the shift lever 30 is fixed to the lower end of the shift lever 30 through the base plate 21 of the base member 20, and the other end is connected to a control lever of an automatic transmission via a control cable (not shown) or the like. It consists of a connecting lever 11.

A handle 32 is attached to the upper end of an upright shift lever main body 31 constituting the main part of the shift lever 30, and a push button 33 is held on the handle 32 so as to be able to protrude and retract substantially horizontally.

As shown in FIGS. 1 and 2, the head of the shift lever body 31 has a long hole 31a in the axial direction so that it can be moved up and down and fixed together with a connecting rod 35 which is a transmission member to be described later. 31a
A plate 34 is installed inside the handle 32, and the base of the handle 32 has a countersink hole 32b as an insertion hole for the mounting screws 32a, 32a. ,32
b is drilled. The mounting screws 32a, 32a are screwed into the screw holes 3 of a plate 34, which is a mating member for fixing and is arranged on the inner surface of the head of the shift lever main body 31.
4a and 34a.

As shown in FIGS. 4 and 5, a connecting rod 35 serving as a transmission member is inserted into the shift lever 30, and at the upper end of the connecting rod 35 there is a slider 36 having an inclined portion 36a on its head. is fixed, a slider 37 is fixed to the lower end of the connecting rod 35,
A connecting rod 35 is connected between the slider 37 and the pivot 22.
A spring member 35a is provided to bias the sliders 36 and 37 upward.

The push button 33 is urged in the protruding direction by a spring member 33a, and the push button 33 is formed with an engagement groove 33b into which the inclined portion 36a of the slider 36 is fitted.

An engaging pin 38 is fixed to the slider 37 at the lower end of the connecting rod 35.
The engaging end 38a protrudes outward from a long groove formed at the lower end of the shift lever 30, and is movable up and down.

As shown in FIG. 3, the engaging end 3 of the engaging pin 38
8a is engaged with each cam portion of a cam groove 25 formed in a cam plate 24 extending from the pivot bracket 23 of the base member 20 by the biasing force of the spring member 35a.

The cam groove 25 has cam grooves for P range, R range, and N range.
And each cam part 25a, 25b, 25c, 25d, 25 for D range, 2nd speed, 1st speed range
e, 25f are formed, and a boundary is provided at a necessary position between each cam portion, which the engaging end 38a of the engaging pin 38 cannot directly overcome.

As described above, a restraining mechanism for the shift lever 30 is configured, and in the restraining mechanism, the engaging end 38a of the engaging pin 38 has an appropriate gap s with respect to the end surface of the cam, and galling and interference occur. I have made sure that there is no such thing.

In order to assemble and adjust the shift lever device 10 of the automatic transmission for automobiles having the above configuration, when assembling, the base of the handle 32 is fitted onto the head of the shift lever body 31, and
Screw hole 34a of plate 34 installed in the head of 1
Insert the mounting screw 32 through the countersunk hole 32b and long hole 31a.
Screw a and 32a together and temporarily secure them.

Then, place the base member 20 on the floor near the driver's seat.
is fixed, the connection to the automatic transmission is also completed, and the shift lever device 10 is made ready for use.

When the device is ready for use, press the push button 33 to operate the restraint mechanism and check the condition. If the handle 32 is caught or rattled, loosen the mounting screws 32a, 32a and move the handle 32 appropriately relative to the shift lever body 31.

Then, the push button 33 held by the handle 32 also moves up and down, and the slider 3 at the upper end of the connecting rod 35
The engagement relationship between the engagement pin 3 and the inclined portion 36a of the engagement pin 3 changes, and the connection rod 35 moves up and down.
The relationship between the engaging end 38a of 8 and the cam groove 25 is adjusted, and the mounting screws 32a, 32 are set in a position where they can operate smoothly.
If a is fastened, it is fixed to the handle 32 and the adjustment is completed.

When the engagement end 38a of the engagement pin 38 is on the D range cam section 25d or the 2nd speed cam section 25e and you want to switch between them, the shift lever 30 can be swung by the handle 32 without pushing the push button 33. If the engaging end 38a is connected to the cam portions 25d, 25
It is possible to switch over the boundary by following the shape of e.

If there is a boundary that the engaging end 38a of the engaging pin 38 cannot overcome depending on the direction, such as when switching between the N range, R range, and P range, or when switching between the 2nd speed range and the 1st speed range, press the push button. 33 is required to be pushed in from the protruding position against the urging force of the spring members 35a and 33a.

When pushed in, the engagement groove 33b of the push button 33 displaces the inclined portion 36a of the slider 36, thereby
The sliders 36 and 37 move down together with the connecting rod 35 inside the shift lever 30 against the biasing force of the spring member 35a, so that the engaging end 38a of the engaging pin 38 can overcome the boundary that it could not overcome. , and switching becomes possible.

When parking the vehicle and leaving the vehicle, the shift lever 30 should be in the P or N range. Note that the fixed mating member disposed on the inner surface of the head of the shift lever body may be of any type as long as it does not rotate together, and may be provided integrally with the handle.

"Effects of the Invention" According to the shift lever device for an automatic transmission for automobiles according to the present invention, the restraining mechanism can be adjusted after the shift lever is assembled to the operating state.
It is extremely simple and does not require disassembly during adjustment.
Workability is significantly improved, assembly man-hours are reduced, costs can be reduced, and serviceability during maintenance and repair can be improved.

[Brief explanation of the drawing]

Figures 1 to 5 show an embodiment of the present invention, in which Figure 1 is a vertical cross-sectional view of the shift lever head, and Figure 2 is a vertical sectional view of the shift lever head.
3 is a front view of the cam plate, FIG. 4 is a front view of the shift lever device, FIG. 5 is a longitudinal sectional view, and FIG. 6 is a main part of the conventional shift lever device. FIG. 10...Shift lever device, 20...Base member, 30...Shift lever, 32...Handle, 33
...Push button (operation part), 35...Connection rod, 36,
37...Slider, 36a...Slope portion, 38...Engagement pin, 38a...Engagement end.

Claims (1)

[Claims for Utility Model Registration] In a shift lever device for an automatic transmission for an automobile, in which a shift lever is swingably supported and has a restraining mechanism for locking the shift lever at a predetermined shift position, In order to insert a transmission member to the restraint mechanism and move the transmission member vertically to release the restraint mechanism, a handle fixed to the head of the shift lever body is provided with an operation part, and the handle is shifted. An elongated hole is drilled in the head of the shift lever body in the axial direction so that the shift lever body can be moved up and down and fixed together with the transmission member for position adjustment with respect to the lever body, and a screw inserted through the handle. The handle is fastened and fixed by passing a mounting screw through the hole and further passing it through the elongated hole, and screwing the mounting screw into a screw hole formed in a mating member for fixation provided on the inner surface of the head. A shift lever device for automatic transmissions for automobiles.