JPH10278609A - Transmission gear shifting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transmission gear shifting device requiring only a narrow space as a range of installation. SOLUTION: This transmission gear shifting device, which has a lever control 62 protrusion 84 abutting on one of a plurality of moderation grooves 54 respectively different radius from the rotation center to the bottom of a cam 48, has the cam 48 rotate when a shaft 24 is operated to rotate around itself and the lever control 62 protrusion 84 move along the outer circumference 52 of the cam 48 to another moderation groove 54 with a knob 26 button 32 pushed in and a rod 36 connected to the cam 48. Thus the lever control 62 rotates and causes an automatic transmission 13 to operate through a wire 68 and change the shift rage. Consequently, the transmission gear shifting device 10 can be installed only if there is enough space for the shat 24 to stick out because the shaft 24 is only to be rotated around its own axis.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a shift device for a transmission of a vehicle.

[0002]

2. Description of the Related Art In a vehicle employing an automatic transmission having a plurality of shift ranges, a rod-shaped shift lever, which is generally longitudinally directed in the vertical direction of the vehicle and is disposed on the side of a driver's seat, is generally used to move the vehicle in the longitudinal direction of the vehicle. Alternatively, a shift lever device that changes the shift range of the automatic transmission by performing a swing operation in the left-right direction is provided.

[0003]

However, in the conventional shift lever device, a space for swinging the shift lever in the vehicle front-rear direction or the left-right direction is required in the device installation portion of the vehicle. For this reason, there were restrictions on the indoor shape around the device installation part.

The present invention has been made in consideration of the above-described circumstances, and has as its object to provide a transmission shift device having a small installation area and a small space.

[0005]

According to a first aspect of the present invention, there is provided a shift device for a transmission, which extends into a vehicle compartment and rotates around an axis in the extending direction to change a shift range of a transmission of the vehicle. Possible operating means are provided.

In the transmission shift device having the above-described configuration, the shift range of the transmission is changed by rotating the operating means about the axis in the extending direction. Therefore,
In the transmission shift device, the device can be installed as long as there is enough space on the vehicle interior side to extend the operation means. For this reason, the installation space of the device on the vehicle interior side can be reduced.

[0007] The extending direction of the operating means may be any of forward, backward, left and right, and up and down directions of the vehicle.

According to a second aspect of the present invention, the transmission shift device is provided between the operating means and the transmission and is displaced in a predetermined direction. Shift means for changing the shift range of the transmission, and transmission means provided between the shift means and the operation means for displacing the shift means in a predetermined direction in response to rotation of the operation means. It is characterized by.

In the transmission shift device having the above structure, the rotation of the operation means is transmitted to the shift means via the transmission means.
Accordingly, the shift range of the transmission is changed by shifting the shift means in a predetermined direction. Therefore, the present invention can be applied to a case where the operation of changing the shift range in the transmission is a rotation in a direction different from the rotation direction of the operation means, or a case where the operation is a displacement other than the rotation.

According to a third aspect of the present invention, there is provided the transmission shift device according to the second aspect, wherein the transmission means abuts an outer peripheral portion of the transmission means, and the transmission means rotates with the rotation of the operation means. It is characterized in that it is rotatable relative to the shift means, and that the radius dimension from the center of rotation to the outer peripheral portion is different for each predetermined angle.

In the transmission shift device having the above-described structure, the shift means is in contact with the outer peripheral portion of the transmission means, and when the transmission means rotates relative to the shift means by rotation of the operating means, the rotation of the transmission means The radial dimension from the center to the contact portion with the shift means (that is, a part of the outer peripheral portion) changes, whereby the shift means is displaced in the radial direction of the transmission means. As a result, the shift range of the automatic transmission is changed.

According to a fourth aspect of the present invention, there is provided a transmission shift device according to any one of the first to third aspects, wherein the connection between the operating means and the transmission can be released. Features.

In the transmission shift device having the above structure, the connection between the operating means and the transmission can be released. In this released state, the shift range of the transmission is not changed even if the operating means rotates. Therefore, careless change of the shift range is prevented.

According to a fifth aspect of the present invention, there is provided a transmission shift apparatus according to any one of the first to fourth aspects, further comprising a moderation imparting means for giving a moderation to the rotation of the operation means. It is characterized by.

In the transmission shift device having the above structure, when the operating means reaches a predetermined rotational position corresponding to the shift range of the transmission by operating the operating means, for example, the moderating means gives the moderation. Therefore, the operating means can be appropriately operated without observing the rotation state of the operating means.

This moderation imparting means may be integrated with any of the above-mentioned operating means, transmitting means and shifting means, or may be constituted separately from the operating means, transmitting means and shifting means. .

[0017]

FIG. 9 shows the inside of a vehicle 12 to which a transmission shift device 10 according to one embodiment of the present invention is applied. In each of the drawings, the direction of arrow X indicates the right side of the vehicle 12 in the width direction, the direction of arrow Y indicates the front of the vehicle 12 in the front-rear direction, and the direction of arrow Z indicates the upper side of the vehicle 12 in the vertical direction. As shown in this figure, the transmission shift device 10 includes a housing 14. The housing 14 is provided on the floor in front of the center console box 18. As shown in FIG. 1, a circular hole 20 is formed in the housing 14, and around the circular hole 20, an automatic transmission 13 such as "P", "R", or "N" of the vehicle 12 is provided. Are formed at predetermined angles around the circular hole 20. As shown in FIG. 1, a cylindrical shaft 24 as an operating means extending in the vertical direction of the vehicle 12 penetrates the circular hole 20. 24 can be rotated in the direction of arrow A or the direction of arrow B in FIG.

A knob 26 is provided at the upper end of the shaft 24.
Is provided. Here, as shown in the cross-sectional view of FIG. 2, an insertion hole 28 is formed inside the knob 26 in a longitudinal direction in the vertical direction and opened at a lower end of the knob 26, and an upper end of the shaft 24 is formed. With the part inserted, it is fixed to the knob 26 by fixing means such as a screw or an adhesive. The upper end of the insertion hole 28 communicates with an insertion hole 30 which is orthogonal to the insertion hole 28 and opens at the upper right end of the knob 26 shown in FIG. A button 32 having a hemispherical pressing portion 34 formed at the distal end is movably inserted into the insertion hole 30 into the knob 26 along the insertion hole 30.

On the other hand, as shown in FIG.
A rod 36 that can move up and down with respect to the shaft 24 is inserted into the inside of the shaft 4. Here, as shown in FIG. 2, a large-diameter portion 38 having a longer diameter than the middle portion in the longitudinal direction (vertical direction) is formed at the upper end of the rod 36. A compression coil spring 40 is arranged between the lower surface of the large diameter portion 38 and the upper end surface of the shaft 24, and constantly urges the large diameter portion 38 (that is, the rod 36) upward. A cam 42 is provided on the upper end surface of the large diameter portion 38.
Are formed. The cam 42 has a generally right-angled isosceles triangle shape as a whole, and the right end face 44 of the cam 42 is inclined at 45 degrees with respect to the axial direction (longitudinal direction) of the shaft 24 and the rod 36, and the button 32 Are always in contact with each other. Therefore, when the button 32 is pushed inward of the knob 26, the pressing portion 34 presses the end face 44 of the cam 42 downward, whereby the rod 36 moves downward against the urging force of the compression coil spring 40. .

At the lower end of the rod 36, a flat connecting portion 46 is formed. The connecting portion 46 can be inserted into a rectangular connecting hole 50 formed in a cam 48 as a transmission means. When the connecting portion 46 is inserted into the connecting hole 50, the rod 36 and the cam 48 are connected. It is to be connected.

As shown in FIG. 1 and FIG.
In the outer peripheral portion 52, a plurality of moderation grooves 54 as moderation imparting means are formed around the rotation center S of the cam 48 (see FIG. 3) at the same angle as the character 22 of the housing 14 (see FIG. 1). .

Further, as shown in FIG.
4 are located on the circumference of an imaginary circle 56, each having a different radius from the rotation center S of the cam 48, and have a length from the rotation center S of the cam 48 to the bottom of each moderation groove 54. It differs for each moderation groove 54. Furthermore, the radius (that is, the length from the rotation center to the outer peripheral portion 52) between the adjacent moderation grooves 54 changes smoothly.

As shown in FIG. 1, a lever control 62 as a shift means is provided on the side of the cam 48. The lever control 62 is formed with a thin plate-shaped base 64 extending longitudinally in the vehicle front-rear direction (the direction of the arrow Y in FIG. 1 and the opposite direction).
A through hole 70 is formed at a longitudinally intermediate portion of the base 64. A rotary shaft 72 fixed to a vehicle body 88 (see FIG. 3) penetrates the through hole 70, and a base 64 (lever control 62) is rotatable around the rotary shaft 72.
One end of the rotary shaft 72 is provided around the rotary shaft 72.
A torsion coil spring 74 is fixed to the lever control 62 and the other end is fixed to the lever control 62. The torsion coil spring 74 always biases the lever control 62 in the direction of arrow C in FIG. ing.

Further, a protrusion 66 is formed on the rear end side in the longitudinal direction of the base portion 64 so as to project rightward in the vehicle width direction (the direction of arrow X in FIG. 1). The automatic transmission 1
The wire 68 connected to the rotating shaft 7 is locked.
Base 64 that rotates around 2 (lever control 62)
The automatic transmission 13 is operated in accordance with the rotation amount of. Further, a through hole 7 is provided at the front end side in the longitudinal direction of the base portion 64.
6 are formed, and beside the through hole 76,
A shift lock solenoid 78 that can be energized in conjunction with a brake pedal (not shown) of the vehicle is provided.

The shift lock solenoid 78 is provided with a shift lock stopper 80 urged toward the through hole 76. When the automatic transmission 13 is shifted to the P range (parking range), the shift lock is stopped. The stopper 80 is opposed to the through hole 76 and penetrates through the through hole 76 to prevent the rotation of the lever control 62 so as to be in a shift locked state. When the brake pedal is depressed, the shift lock solenoid 78 is energized, and a solenoid (not shown) provided inside the shift lock solenoid 78 pulls the shift lock stopper 80 to release the shift lock state.

Further, a lever 82 extends upward from one end (upper end) in the width direction of the base 64.
The upper end of the lever 82 is bent toward the front of the vehicle (in the direction of arrow Y in FIG. 1), and its front end is bent to the right in the vehicle width direction (in the direction of arrow X in FIG. 1). A protruding portion 84 is formed from the front end surface of the portion bent rightward in the vehicle width direction.
As shown in FIGS. 3 to 5, the distal end portion of the projection 84 has a cam 4 including the moderation groove 54.
8 is in contact with the outer peripheral portion 52.

Next, the operation of the present embodiment will be described. In the transmission shift device 10, when the occupant of the vehicle 12 presses the button 32 while holding the knob 26, the rod 36 is pushed down against the urging force of the compression coil spring 40, and the connecting portion 46 of the rod 36 is pressed. Is inserted into the connection hole 50 of the cam 48. Thus, the rod 36 is connected to the cam 48, and the cam 48 can be rotated by rotating the knob 26.

Here, for example, as shown in FIGS. 3 to 6, the bottom portion of the cam 48 is located at the outermost position in the radial direction.
When the rod 36 is connected to the cam 48 and the knob 26 is rotated in the direction of arrow A in FIG. 1 with the protrusion 84 abutting the moderation groove 54 corresponding to the range, the torsion coil is The projecting portion 84 moves along the outer peripheral portion 52 of the cam 48 by the urging force of the spring 74, and the lever control 62 rotates in the direction of arrow C in FIG.

Next, when the moderating groove 54 corresponding to the R range and the protruding portion 84 face each other, the moderating groove 54 corresponding to the R range is generated by the urging force of the torsion coil spring 74, as shown in FIGS. Projecting part 84 falls into the inside of. When the protrusion 84 falls into the moderation groove 54, a slight shock is applied to the rod 36, the shaft 24, and the knob 26.
Is transmitted to the occupant's hand as a sense of moderation, whereby the occupant can recognize that the protrusion 84 has fallen into the inside of the moderation groove 54 without visually confirming the rotation state of the housing 14 and the shaft 24.

Here, since the bottom of the moderation groove 54 corresponding to the R range is located radially inward of the cam 48 from the bottom of the moderation groove 54 corresponding to the P range, as shown in FIG. When the lever 84 falls into the moderation groove 54 corresponding to the R range, the lever control 62
The wire 68 is rotated around by a predetermined angle, and the wire 68 locked to the projection 66 is pulled by an amount corresponding to the rotation amount, and the shift range of the automatic transmission 13 is shifted from the P range to the R range.

From this state, the shaft 24 is further rotated, and as shown in FIG.
When the projecting portion 84 falls into the position 4, the lever control 62
Is further rotated, and the protrusion 66 corresponds to the amount of rotation.
Is pulled. As a result, the shift range of the automatic transmission 13 is shifted to the L range.

As described above, in the transmission shift device 10 of the present invention, when the button 32 of the knob 26 is pressed, the shaft 2
By rotating 4, the shift range of the automatic transmission 13 can be shifted to a desired range.

Here, in the transmission shift device 10,
Basically, it is sufficient that there is enough space on the indoor side of the vehicle 12 for the shaft 24 to protrude, so that the installation range of the transmission shift device 10 on the indoor side of the vehicle 12 can be reduced.

In the present embodiment, the rod 36 and the cam 42 are connected by pressing the button 32 of the knob 26, and the cam 42 can be rotated only in this state. As shown in FIG. 10, a cam 48 may be fixed to the lower end of the shaft 24 to be integrated.

In the present embodiment, the cam 42 as the transmitting means is formed with a plurality of moderation grooves 54 as the moderating means, that is, the transmitting means and the moderating means are integrated. However, the transmitting means and the moderating means may be configured separately. For example, a cam provided with a plurality of moderation grooves 54 as a moderation imparting means is provided separately from the cam as the transmission means, and a biasing means such as a leaf spring is constantly biased toward the cam having the moderation groove 54 formed thereon. The moderating members such as the pin and the lever which are set face the moderating groove 54 and
4, a moderation feeling may be given to the occupant's hand by falling into the inside. In this case, although the number of parts constituting the shift device 10 is increased, the cam as the transmission means does not need to be formed with irregularities such as the moderation groove 54, so that the lever control 62 can be rotated more smoothly. it can.

Further, in the present embodiment, the transmission means is the cam 42, but the configuration of the transmission means is not limited to this. For example, the shaft 24 and the lever control 62
And a wire that is wound around the shaft 24 by the rotation of the shaft 24 and the lever control 62 rotates by a predetermined angle in accordance with the amount of the wound, may be used as a transmission means, or between the shaft 24 and the lever control 62. , A gear may be provided as the transmission means.

Further, when the rod 36 and the cam 48 are not connected, a rotation preventing means for preventing the rotation of the shaft 24 may be provided to prevent the shaft 24 from being inadvertently rotated.

Further, in the present embodiment, the shaft 24
The knob 26 is provided on the steering wheel, and the rotary operation is performed while the occupant grips the knob 26. However, a dial knob is provided instead of the knob 26, and the occupant performs the rotation operation while the dial knob is gripped. 24 may be configured to rotate.

In this embodiment, the transmission shift device 10 is provided in front of the center console box 18. However, the transmission shift device 10 is installed in front of the center console box 18. The invention is not limited to this. For example, as shown in FIG. 11, the transmission shift device 10 may be provided on the instrument panel 90 of the vehicle 12. In this case, since the side of the driver's seat of the vehicle 12 is vacant, it is possible to give a feeling of release to the occupant of the driver's seat without increasing the size of the vehicle 12, and the seat of the front seat of the vehicle 12 is replaced with a normal seat. A bench seat may be used instead of the seat.

[0040]

As described above, in the transmission shift device according to the present invention, since the device can be installed in a small space, the area around the driver's seat can be widened, and it can be used for the installation space of other devices. The interior space of the vehicle can be used effectively.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a transmission shift device according to an embodiment of the present invention.

FIG. 2 is a sectional view of the knob taken along line 2-2 of FIG. 1;

FIG. 3 is a plan view of an operation unit, a transmission unit, and a shift unit.

FIG. 4 is a plan view corresponding to FIG. 3 in a state shifted to an R range.

FIG. 5 is a plan view corresponding to FIG. 3 in a state shifted to an L range.

FIG. 6 is a side view of the operation unit, the transmission unit, and the shift unit in the state of FIG. 3;

FIG. 7 is a side view corresponding to FIG. 6 in a state shifted to an R range.

FIG. 8 is a side view corresponding to FIG. 6 in a state shifted to an L range.

FIG. 9 is a perspective view showing the inside of a vehicle to which the shift device for a transmission according to one embodiment of the present invention is applied.

FIG. 10 is an exploded perspective view showing another aspect of the transmission shift device according to the embodiment of the present invention.

FIG. 11 is a perspective view showing a state in which the transmission shift device according to one embodiment of the present invention is attached to an instrument panel of a vehicle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Shift device for transmission 12 Vehicle 13 Automatic transmission (transmission) 24 Shaft (operation means) 48 Cam (transmission means) 54 Moderation groove (moderation provision means) 62 Lever control (shift means)

Claims (5)

[Claims] 1. A transmission shift device including an operating means extending toward a vehicle interior and capable of changing a shift range of a transmission of a vehicle by rotating about an axis in the extending direction. 2. A transmission device provided between the operating means and a transmission,
A shift means capable of changing a shift range of the transmission by being displaced in a predetermined direction; and a shift means provided between the shift means and the operation means. The transmission shift device according to claim 1, further comprising: a transmission unit that displaces the transmission in the direction. 3. The transmission means, wherein the shift means abuts on an outer peripheral portion, and is rotatable relative to the shift means with the rotation of the operating means, and is provided between the center of rotation and the outer peripheral portion. The shift device for a transmission according to claim 2, wherein a radius dimension is different for each predetermined angle. 4. The shift device for a transmission according to claim 1, wherein the connection between the operation unit and the transmission can be released. 5. The shift device for a transmission according to claim 1, further comprising a moderation imparting unit that imparts moderation to the rotation operation of the operation unit.