JPH0648206A - Shift lever device - Google Patents

Abstract

PURPOSE:To provide a shift lever device without requiring a snap ring or E ring for preventing fall-off of a shaft, in which the number of part items and assembling manhours is reduced. CONSTITUTION:A part of one welded side in the vicinity of an end of a shaft 48 is cut out at a specified width in the circumferential direction to form a cutout part 70. A length in the circumferential direction of a fall-off prevention part 48b exposed outside of a device main body 12 in a state where the shaft 48 is fitted to the device main body 12 is determined a little shorter than that of the shaft 48 so that the fall-off prevention part 48b can be deflected. A hole 12a for supporting the shaft 48 is bored in the device main body 12 and at a part of the hole 12a an engaging part 72 to be fitted in the cutout part 70 is formed. When the shaft 48 is inserted into the hole 12a of the device main body 12, the engaging part 72 is fitted in the output part 70, the fall-off prevention part 48b is exposed outside of the device main body 12 and the fall-off prevention part 48b is engaged with the engaging part 72 so as to prevent falling off of the shaft 48.

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 for selecting a driving range of an A / T vehicle equipped with an automatic transmission (A / T).

[0002]

2. Description of the Related Art FIG. 12 is a perspective view showing a shift lever device for selecting a traveling range of an A / T vehicle.

The shift lever device 10 has a shift lever device main body 12 provided adjacent to the driver's seat,
An upper housing 14 is fixed to the upper portion of the shift lever device body 12. The upper housing 14 is provided with an elongated hole 14a through which the shift lever 16 is inserted, and the shift lever 16 is supported by the shift lever device body 12 so as to be movable in the front-rear direction. Further, a slide cover 18 having a hole 18a through which the shift lever 16 is inserted is mounted in the elongated hole 14a so as to be slidable in the front-rear direction. It can move in the front-rear direction along the hole 14a.

Further, in the vicinity of the elongated hole 14a, the driving position (P, R, N, D, 2,
The position indicator 20 indicating L) is provided, and the position indicator 20 is provided with an illumination device 62 that emits light at the selected position at night, as shown in FIG. Reference numeral 60 is a release button for releasing the shift lock.

FIG. 13 is a front sectional view of the conventional shift lever device 10, and FIG. 14 is a side sectional view of the conventional shift lever device 10.

The shift lever 16 has a shaft 22 fixed substantially horizontally to the shift lever device main body 12, and a cylindrical collar 24 is rotatably fitted on the shaft 22. A pipe 26 is fixed to the collar 24 at a substantially right angle by welding or the like. Inside the pipe 26, a detent rod 30 is supported by a spring 28 having a lower end fixed to the collar 24 so that the pipe 26 can move up and down. Has been done.

Further, the detent rod 30 has a base portion 30a fixed to the upper end of the spring 28, a shaft portion 30b screwed onto the upper portion of the base portion 30a, and an inclined surface 30d whose upper surface is inclined at about 45 °. And a sleeve 30c slidably supported by the portion 30b,
The sleeve 30c is biased upward by a spring 34 having a lower end fixed to a holder 32 fixed to the upper end of the pipe 26. And the base 3 of the detent rod 30
A pin 36 is press-fitted into the open portion 26a of the pipe 26 in the horizontal direction 0a. The pin 36 is attached to a cam 38 formed on the shift lever device main body 12 when both ends of the pin 36 move. The detent rod 30 moves up and down in the pipe 26 by the movement of the pin 36.

A shift lever knob 40 is fitted on the pipe 26, and the shift lever knob 40 is fixed to the pipe 26 with a screw 42. A select button 44 is attached to the side of the head of the shift lever knob 40 so as to be able to move back and forth, and an end portion 44a of the select button 44 is in contact with the inclined surface 30d of the sleeve 30c of the detent rod 30. The detent rod 30 descends when the button 44 is pressed. The clearance distance a between the pin 36 and the shift lever device body 12 is adjusted by the screwing position of the shaft portion 30b and the base portion 30a.

The shaft 22 has a tip 22 as shown in FIG.
A is chamfered, and a collar 22b is provided at the rear end to prevent it from coming off.
Is provided. A bush 64 is externally fitted to the shaft 22, and a collar 24 is rotatably fitted to the bush 64. Further, the hole 12 formed in the shaft 22
A retaining ring 66 for preventing the shaft 22 from slipping out in the left direction is screwed to the apparatus main body 12 on the outside of the collar 22b in a state of being press-fitted into a.

Further, as shown in FIG. 4, the cam 38 formed on the shift lever device main body 12 is P (parking).
Position, R (reverse) position, N (neutral) position,
The D (drive) position, the 2 (second) position, and the L (low) position are formed so that the pin 36 fixed substantially horizontally to the detent rod 30 can move along the cam 38. There is.

Next, the operation will be described.

When the shift lever device 10 is assembled,
The shaft 22 is press-fitted while the shift lever 16 is inserted and held in the shift lever device main body 12 and the bush 64 is inserted and held in the hole 12a. Then, the retaining ring 66 is screwed to the apparatus main body 12 to prevent the shaft 22 from coming off.

When the shift lever 16 is located at the D position before the engine of the vehicle is started, the driver can fix the pin 36 fixed substantially horizontally to the detent rod 30 as shown in FIG. As described above, the shift lever 16 is located at the D position and is moved to the N position (see FIG. 5). Then, the shift lever 16 rotates about the shaft 22. Then, the driver turns on the ignition key to start the engine of the automobile. But 2
When the shift lever 16 is moved from the position to the L position (see FIG. 6), since the L position of the cam 38 is located at a position one step lower than the 2 position, the pin 36 is locked by the cam 38 and remains as it is. Then, the shift lever 16 cannot be moved.

Therefore, when the select button 44 is pressed, the end portion 44a of the select button 44 moves along the inclined surface 30d of the sleeve 30c of the detent rod 30, that is, when the select button 44 is pressed, the detent rod 30 is lowered and the pin is moved. 36 is separated from the cam 38 (see FIG. 7). Then, when the shift lever 16 is moved toward the L position while the select button 44 is being pressed, the pin 36 moves to the L position (see FIG. 8). At this time, the spring 28 does not exert an urging force on the select button 44 via the sleeve 30c.
4, the sleeve 30c is biased to the select button 44, and the select button 44 does not rattle.

When the shift lever 16 is moved from the N position to the P position, the pin 36 is locked by the cam 38 at the R position as shown in FIG. 9, so that the select button 44 is pressed in the same manner as described above. As a result, the detent rod 30 is lowered (see FIG. 10), and when the shift lever 16 is moved toward the P position with the pin 36 separated from the cam 38, the pin 36 moves to the P position (see FIG. 11). ). At this time, the biasing force of the spring 28 does not act on the select button 44 via the sleeve 30c, but the sleeve 30c is biased to the select button 44 by the spring 34, and the select button 44 does not rattle.

Further, instead of preventing the shaft 22 from coming out to the left by the retaining ring 66, as shown in FIG. 16, an E ring 68 is engaged with the right end portion of the shaft 22 to prevent the shaft 22 from coming off. Good.

[0017]

As described above, the conventional shift lever device requires the retaining ring 66 or the E-ring 68 to prevent the shaft 22 from coming off, and thus the number of parts is limited. And the labor of assembling the retaining ring 66 or the E ring 68 is complicated.

The present invention has been made in order to solve the above problems and does not require a retaining ring or an E ring for preventing the shaft from slipping out, which can reduce the number of parts and the number of assembling steps. It is an object of the present invention to provide a shift lever device that can reduce

[0019]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a shift lever device according to the present invention is fixed substantially horizontally to the main body of the device and has a flat metal member bent. A shaft that rotatably supports the shift lever formed in a cylindrical shape by doing, and a cutout part that is formed by cutting out a part of one side joined near the end part of the shaft in the circumferential direction by a predetermined width, Adjacent to the cutout portion, an elastically deformable retaining portion that is exposed to the outside of the apparatus main body in a state where the shaft is attached to the apparatus main body, and an engagement portion that fits into the cutout portion formed in the apparatus main body, The retaining portion and the engaging portion are engaged with each other.

[0020]

The shift lever device according to the present invention based on the above-described structure is formed in the main body of the device in a notch formed by cutting a part of one of the joined sides near the end of the shaft in the circumferential direction by a predetermined width. The engagement portion fits in, and the retaining portion exposed outside the apparatus body with the shaft attached to the apparatus body engages with the engagement portion to prevent the shaft from coming off. As a result, the number of parts is reduced and the number of assembling steps is reduced, and the cost is reduced.

[0021]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 2 is a front sectional view showing the shift lever device according to the present invention, and FIG. 3 is an assembly view showing the shift lever device according to the present invention.

The shift lever 16 is a shaft 48 fixed to the shift lever device main body 12 substantially horizontally.
A cylindrical collar 24 is rotatably fitted on the shaft 48. A pipe 26 is fixed to the collar 24 at a substantially right angle by welding or the like. Inside the pipe 26, a detent rod 30 is supported by a spring 28 having a lower end fixed to the collar 24 so that the pipe 26 can move up and down. Has been done.

Further, the detent rod 50 has a base portion 50a fixed to the upper end of the spring 28, a shaft portion 50b screwed onto the upper portion of the base portion 50a, and an inclined surface 50d whose upper surface is inclined at about 45 °. And a sleeve 50c fixed by a portion 50b.
The shaft 50b and the sleeve 50c are integrally formed. And, in the shaft portion 50b of the detent rod 50,
A bulging portion 50e for preventing buckling is integrally formed, and the bulging portion 50e slides in contact with the inner surface of the pipe 26. Further, a pin 36 is fixed to the base portion 50a of the detent rod 50 by press fitting in an open portion 26a of the pipe 26 in a substantially horizontal direction,
Both ends of the pin 36 move along a cam 38, which will be described later, formed on the shift lever device main body 12 when the shift lever 16 moves. The movement of the pin 36 causes the detent rod 50 to move the detent rod 50. It is designed to go up and down.

A shift lever knob 40 is fitted on the pipe 26, and the shift lever knob 40 is fixed to the pipe 26 with a screw 42. Then, a select button 52 is provided on the side surface of the head of the shift lever knob 40.
Is attached so that it can move back and forth, and the end portion 52a of the select button 52 is in contact with the inclined surface 50d of the sleeve 50c of the detent rod 50. When the select button 52 is pressed, the inclined surface 50d of the sleeve 50c causes the select button The operation force of 52 is converted into a substantially right angle direction, whereby the detent rod 50 descends.

Further, the select button 52 is provided with a shaft 54 which is in contact with the inclined surface 50d of the sleeve 50c substantially horizontally, and the sleeve 50c is provided with the shaft 54 when the select button 52 is pressed. A holding member 56 that holds the inclined surface 50d of the sleeve 50c is provided on the upper portion of the sleeve 50c.
Is inserted into a hole 52a formed in the select button 52.

FIG. 1 is a view showing in detail a shaft 22 as a shaft according to the present invention, (a) is a sectional view and (b) is a perspective view.

As shown in FIGS. 1A and 1B, the shaft 48 is formed into a substantially circular shape by bending a flat plate-shaped metal material into a cylindrical shape and grinding the outer periphery with a lathe or the like. Then, a part of one of the joined sides near the end of the shaft 48 is cut out in the circumferential direction by a predetermined width to form a notch 70, and the shaft 48 is adjacent to the notch 70 and the shaft 48 is adjacent to the device body 12. The part exposed to the outside of the device body when attached to the
The circumferential length of b) is made slightly shorter than the circumferential length of the shaft 48 so that the retaining portion 48b is bent. Further, the tip end 48a of the shaft 48 is chamfered, and a guide groove 48c for guiding the shaft 48 when the shaft 48 is inserted into the apparatus main body 12 is engraved at the end portion of the shaft 48 opposite to the retaining portion 48b. There is.

On the other hand, a hole 12a for supporting the shaft 48 is formed in the main body 12 of the apparatus, and an engaging portion 72 to be fitted into the cutout portion 70 is formed in a part of the hole 12a. Then, when the shaft 48 is inserted into the hole 12 a of the device body 12, the engaging portion 72 is fitted into the cutout portion 70, and the device body 12
The retaining portion 48b is exposed to the outside, and the retaining portion 48b and the engaging portion 72 are engaged with each other so that the shaft 48 is retained.

As shown in FIG. 4, the cam 38 formed on the shift lever device main body 12 has a P (parking) position.
Position, R (reverse) position, N (neutral) position,
D (drive) position, 2 (second) position, and L (low) position are formed so that the pin 36 fixed substantially horizontally to the detent rod 50 can move along the cam 38. There is.

Next, the operation of this embodiment will be described.

When the shift lever device 10 is assembled,
Bushings 64 are attached to both ends of the collar 24, inserted and held in the shift lever device body 12, and the shaft 48 is press-fitted into the device body 12. Then, when the retaining portion 48b comes into contact with the engaging portion 72, the retaining portion 48b bends outside the main body 12 and is exposed outside the apparatus main body 12 beyond the engaging portion 72. Then, the engaging portion 72 is fitted into the notch portion 70, the retaining portion 48b and the engaging portion 72 engage with each other, and the shaft 48 is retained.

On the other hand, when the driver has the shift lever 16 in the D position before starting the engine of the automobile, the pin 36 fixed substantially horizontally to the detent rod 50 is shown in FIG. As described above, the shift lever 16 is located at the D position and is moved to the N position (see FIG. 5). Then, the shift lever 16 rotates about the shaft 48. Then, the driver turns on the ignition key to start the engine of the automobile. But 2
When the shift lever 16 is moved from the position to the L position (see FIG. 6), since the L position of the cam 38 is located at a position one step lower than the 2 position, the pin 36 is locked by the cam 38 and remains as it is. Then, the shift lever 16 cannot be moved.

Then, when the select button 52 is pressed, the end 52a of the select button 52 moves along the inclined surface 50d of the sleeve 50c of the detent rod 50, that is, when the select button 52 is pressed, the detent rod 50 is lowered and the pin is moved. 36 is separated from the cam 38 (see FIG. 7). Then, when the shift lever 16 is moved toward the L position while the select button 52 is being pressed, the pin 36 moves to the L position (see FIG. 8). At this time, the urging force of the spring 28 hardly acts on the select button 52 via the sleeve 50c, but the shaft 54 of the select button 52 is as shown by the chain line in FIG.
It is sandwiched by the inclined surface 50d of the sleeve 50c and the sandwiching member 56, and the select button 52 does not rattle.
When the select button 52 is not operated, the shaft 54 is pressed by the sleeve 50c urged by the spring 28 and does not rattle.

Further, when the shift lever 16 is moved from the N position to the P position, the pin 36 is locked by the cam 38 at the R position as shown in FIG. 9, so that the select button 52 is pressed as described above. As a result, when the detent rod 50 is lowered and the pin 36 is separated from the cam 38 (see FIG. 10) and the shift lever 16 is moved toward the P position, the pin 36 moves to the P position (see FIG. 11). ). At this time, the biasing force does not act on the select button 52 via the sleeve 50c by the spring 28, but the shaft 54 of the select button 52 has the inclined surface 50d of the sleeve 50c and the holding member 56 as shown by the chain line in FIG.
It is pinched by and the select button 52 does not rattle.

[0036]

As described above, according to the present invention,
The engaging part formed on the main body of the device was fitted into the notch formed by cutting out a part of one of the joined sides near the end of the shaft in the circumferential direction by a predetermined width, and the shaft was attached to the main body of the device. In this state, the retaining part exposed to the outside of the main body of the device is configured to engage with the engaging part to prevent the shaft from coming off. Therefore, a retaining ring or an E ring for preventing the retaining of the shaft is not required, and the number of parts Can be reduced and the number of assembling steps can be reduced, which can reduce the cost. Moreover, since the shaft is formed by bending a flat plate-shaped metal material into a cylindrical shape, it is possible to reduce the cost as compared with the case of using a pipe-shaped material.

[Brief description of drawings]

FIG. 1 is a diagram showing a shaft of a shift lever device according to the present invention, in which (a) is a sectional view and (b) is a perspective view.

FIG. 2 is a front sectional view showing a shift lever device according to the present invention.

FIG. 3 is an assembly view showing a shift lever device according to the present invention.

FIG. 4 is a diagram for explaining the operation of the present invention.

FIG. 5 is a diagram for explaining the operation of the present invention.

FIG. 6 is a diagram for explaining the operation of the present invention.

FIG. 7 is a diagram for explaining the operation of the present invention.

FIG. 8 is a diagram for explaining the operation of the present invention.

FIG. 9 is a diagram for explaining the operation of the present invention.

FIG. 10 is a diagram for explaining the operation of the present invention.

FIG. 11 is a diagram for explaining the operation of the present invention.

FIG. 12 is a perspective view showing a general shift lever device.

FIG. 13 is a front sectional view showing a conventional shift lever device.

FIG. 14 is a side sectional view showing a conventional shift lever device.

FIG. 15 is a front sectional view showing a main part of a conventional shift lever device.

FIG. 16 is a front sectional view showing a main part of a conventional shift lever device.

[Explanation of symbols]

 10 shift lever device 12 shift lever device body 16 shift lever 26 pipe 40 shift lever knob 48 shaft 48b retaining portion 70 notch portion 72 engaging portion

Claims (1)

[Claims] 1. A shaft, which is fixed substantially horizontally to the main body of the apparatus and which rotatably supports a shift lever formed in a cylindrical shape by bending a flat plate-shaped metal material, is joined to an end portion of the shaft. A cutout part that is formed by cutting out a part of one side in the circumferential direction by a predetermined width, and an elastically deformable retainer that is adjacent to the cutout part and is exposed to the outside of the device body when the shaft is attached to the device body. A shift lever device, comprising: a portion; and an engaging portion that fits into a notch formed in the apparatus body, wherein the retaining portion and the engaging portion engage with each other.