JPH10166881A - Indicator guide hole blind device for speed changing operation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make compact a blind device for shielding a guide hole, in a dual mode speed changing operation device in which the guide hole having an approximately H-type pattern, composed of an AT mode guide hole, an MT mode guide hole and a communication hole for communicating them to each other is provided on an indicator, and a select lever is operated by being guided to the guide hole. SOLUTION: A blind is constituted of a main blind 7 having the width capable of shielding an AT mode guide hole and an MT mode guide hole and provided with a lateral slot 71 approximately fitted to a communication guide hole, and right and left rotational blinds 8, 9. The right and left rotational blinds 8, 9 are turned around a guide pin 75 provided on the main blind 7 in the range of the lateral width of the main blind 7 with the select operation in which the select lever 1 passes the communication guide hole, and the state is switched from the state where one rotational blind shields the elongated hole 71 to the state where the other rotational blind shields the slot 71.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shift operation device for a vehicle equipped with an automatic transmission (for example, an electronically controlled continuously variable transmission). The present invention relates to a blind device for closing a guide hole of an indicator in a dual mode shift operation device to which a manual shift operation mode (MT mode) capable of positively reflecting a driver's intention similarly to a device is added.

[0002]

BACKGROUND OF THE INVENTION Dual mode shift operating device, as shown in FIG. 8, P as the primary selection pattern select lever 1, R, N, D, for AT mode selecting positions such D _s guide hole a And an MT mode guide hole b having + and-positions for shifting up and down the gear ratio with the select lever 1;
In general, a substantially H-shaped speed change pattern including a communication guide hole c communicating with a substantially central portion of the mode guide hole b is used, for example, disclosed in Japanese Patent Application Laid-Open No. 2-8545. I have.

[0003]

As described above, almost H
In the dual mode shift operation device in which the guide hole of the mold pattern is provided in the indicator cover, as a blind device for closing the guide hole, as shown in FIG. Front and rear blinds d and a select lever insertion hole e 'in the center
The guide hole a for the AT mode and the guide hole b for the MT mode are formed by inserting the select lever 1 into the elongated hole d 'and the insertion hole e' and assembling them. A configuration in which the blind d in the front-rear direction is closed and the blind e in the left-right direction blocks the communication guide hole c and the elongated hole d 'has been conventionally used.

[0004] Such a conventional blind device has a simple structure and can surely blind the guide hole with respect to the movement of the select lever 1 in both the shift direction (front-back direction) and the select direction (left-right direction). However, since the left and right blinds e move together with the select lever 1, a space is required for the left and right blinds e to move in the left and right directions. Has to be increased. There is also a problem that means for regulating the movement of the left and right blinds e in the rotational direction is required.

If the left and right blinds e are made of an elastic plate such as rubber, and the left and right ends of the left and right blinds e are elastically deformed by contacting the left and right guide walls, the width of the indicator housing can be improved. The dimension in the direction can be reduced to some extent. However, in this case, there is a possibility that the elastic plate may set in a long-term use, and the sliding resistance due to the elastic contact of the elastic plate with the guide wall may be reduced. Therefore, there is a problem that the operation force of the select lever 1 may be increased.

An object of the present invention is to solve the conventional problems as described above.

[0007]

SUMMARY OF THE INVENTION As described above, the present invention shields a guide hole having a substantially H-shaped pattern consisting of an AT mode guide hole, an MT mode guide hole, and a communication guide hole communicating therewith. The blind device has a lateral slot with a width and length that can block the guide hole for AT mode and the guide hole for MT mode. A main blind attached to the lower side of the indicator guide hole and left and right rotating blinds formed in a symmetrical shape with respect to each other so as to be overlapped and assembled below the main blind. ,
It has an insertion hole for a select lever provided on one side, and an engaging portion that engages with a guide pin projecting downward at the center in the width direction of the main blind, and passes through the communication guide hole of the select lever. During a select operation, the select lever moves laterally in the elongated hole of the main blind, and the left and right rotating blinds rotate around the guide pins within the width of the main blind as the select lever moves laterally. Then, one of the rotary blinds is configured to switch from a state in which the elongated hole is shielded to a state in which the other rotary blind is shielded by the elongated hole. By adopting this configuration, the blind device can be guided to the AT mode. The width of the hole and the guide hole for the MT mode can be suppressed to the minimum necessary width range that can be shielded, and the indicator can be made compact. It is, reduces the sliding resistance of the left and right rotation blinds, it is possible to achieve a reduction in the operating force of the select lever.

[0008]

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

In FIG. 1, reference numeral 1 denotes a select lever, and 2 denotes a base mounted on the floor of a vehicle body.
An indicator 5 consisting of an indicator housing 3 and an indicator cover 4 is mounted on the upper side.
And an MT mode guide hole 42 parallel thereto,
A communication guide hole 4 that communicates the position of the D range of the mode guide hole 41 with a substantially central portion of the MT mode guide hole 42.
3 which guide hole of approximately H-shaped pattern is provided consisting, by operating in the longitudinal direction the select lever 1 in AT mode guide hole inside 41, the parking P, reverse R, neutral N, D and D _s like The selector lever 1 is operated from the D range position of the AT mode guide hole 41 through the communication guide hole 43 into the MT mode guide hole 42. As a result, switching from the AT mode to the MT mode is performed, and each time the select lever 1 is operated, for example, forward (+ direction) in the guide hole 42 for the MT mode, the gear ratio is shifted up by one step, and the rearward. The gear ratio is shifted down by one step each time the operation is performed in the (−) direction.

Since the dual mode shift operating device of the above-described substantially H-shaped pattern is conventionally known as described above, detailed description of the AT mode and MT mode shift mechanisms and their switching mechanisms is omitted. .

Reference numeral 6 denotes a blind for shielding a guide hole having a substantially H-shaped pattern provided on the indicator cover 4.
The blind 6 is composed of three parts, a main blind 7 and left and right rotating blinds 8 and 9.

The main blind 7 has a width capable of blocking both the guide hole 41 for the AT mode and the guide hole 42 for the MT mode, and is movable in the front-back direction but not in the lateral direction. Mounted at the bottom of
The main blind 7 is provided with a horizontal elongated hole 71 through which the select lever 1 is inserted (the elongated hole 71 is configured to substantially fit the communication guide hole 43). The left and right sides of the main blind 7 are bent downward to form left and right guide surfaces 72, 72, and are inclined obliquely rearward from the left and right guide surfaces 72, 72 on an extension of the center line of the elongated hole 71. Left and right inclined guide surfaces 73, 73 are formed. Reference numeral 74 denotes a lateral connecting surface connecting the left and right inclined guide surface portions 73, 73. A guide pin 75 protruding downward is provided at a central position in front of the elongated hole 71. The main blind 7 is connected to the select lever 1
The main blind 7 moves in the front-rear direction so as to keep the guide holes 41 and 42 closed even when the select lever 1 is operated in the front-rear direction. The length is set to at least twice the length of the longer guide hole 41 in the front-rear direction.

The left and right rotary blinds 8 and 9 are symmetrical with respect to each other, and include long hole blocking portions 82 and 92 for blocking the long holes 71 of the main blind 7; , 92 are engaged with the guide pins 75 of the main blind 7 by sliding forwardly in an arc shape from one side and slidingly contacting the guide surface 72 and the inclined guide surface 73 of the main blind 7. And the other end portions of the elongated hole shielding portions 82 and 92 are provided with insertion holes 81 and 91 through which the select lever 1 is inserted.

The engaging portions 84 and 94 are formed in a shape having a hook-shaped portion and a substantially U-shaped cam surface portion connected thereto.

Then, the select lever 1 is inserted into the elongated hole 71 and the insertion holes 81 and 91, one rotary blind 8 is placed below the main blind 7, and the other rotary blind 9 is placed below the lower blind. The engaging portions 84 and 94 of the rotary blinds 8 and 9 are engaged with the guide pins 75 of the main blind 7 so that the main blind 7 can be slid in the front-rear direction below the indicator cover 4 and move in the left-right direction. Do not assemble.

The select lever 1 has a guide hole 4 for the AT mode.
2, as shown in FIG. 2A, the select lever 1 is located at the right end of the long hole 71, and one of the rotary blinds 8 has its long hole blocking portion 82 in front of the lateral connection surface 74. The elongated hole 71 is entirely shielded substantially along the sliding contact surface portion 83.
One of the arc-shaped portions 83a is in close proximity to and faces the left inclined guide surface portion 73, and the other arc-shaped portion 83b is in a sideways state in contact with the left guide surface portion 72, and the other rotary blind 9 has its elongated hole shielding portion. 92 is the right guide surface 7
2 is in a vertically oriented state. The rotary blinds 8 and 9 are held in the horizontal position and the vertical position by the select lever 1 and the guide pin 75, respectively. When the select lever 1 is operated in the front and rear directions in the guide hole 41 for the AT mode, the rotary blinds are rotated. Reference numerals 8 and 9 move in the front-rear direction integrally with the main blind 7 while maintaining the horizontal position and the vertical position.

When the select lever 1 is operated to select the MT mode guide hole 42 through the communication guide hole 43, FIG.
As shown in (B), (C), and (D), the select lever 1 moves leftward from the right end in the elongated hole 71, and accordingly, one of the rotary blinds 8 moves to one side of the sliding contact surface portion 83. When the arcuate portion 83a slides on the left inclined guide surface portion 73, a clockwise rotation trigger is given in the drawing, and the arcuate portion 83a slides from the inclined guide surface portion 73 to the left guide surface portion 72. The guide pin 75 rotates clockwise while the guide pin 75 relatively slides on the cam surface of the engaging portion 84. The other rotary blind 9 has a hook for clockwise rotation in the figure when the hook-shaped portion of the engagement portion 94 is engaged with the guide pin 75, and the one arc-shaped portion 93a of the sliding contact surface portion 93 is formed. It rotates clockwise while sliding on the right guide surface 72. When the selection operation to the MT mode is completed, as shown in FIG. 2 (E), the select lever 1 is located at the left end of the elongated hole 71, and one of the rotary blinds 8 has its elongated hole shielding portion 82 on the left side. Guide surface 72
Of the other rotary blind 9, the long hole blocking portion 92 of the other rotary blind 9 blocks the entire long hole 71 almost in front of the horizontal connecting surface 74, and one circle of the sliding contact surface portion 93. The arcuate portion 93a is located in the lateral position where the arcuate portion 93b is in close proximity to the right inclined guide surface portion 73 and the other arcuate portion 93b is in contact with the right guide surface portion 72.

In the MT mode, similarly to the AT mode, when the select lever 1 is shifted forward and backward in the MT mode guide hole 42, the rotary blinds 8 and 9 are turned to the vertical position and the horizontal position, respectively. It moves in the front-rear direction integrally with the main blind 7 while maintaining the position.

At the time of the select operation of the select lever 1 from the MT mode to the AT mode, the left and right rotary blinds 8 and 9 rotate counterclockwise around the guide pins 75 in the opposite direction. The AT mode position shown in FIG.

As described above, the main blind 7 having the minimum width required to shield the guide hole 41 for the AT mode and the guide hole 42 for the MT mode, and the left and right guide surfaces of the main blind 7. All guide holes 41, 42, and 43 and the oblong hole 71 of the main blind 7 are shielded by a compact blind device including left and right rotating blinds 8 and 9 that rotate within a range between 72 and 72. Thus, the size of the indicator 5 in the vehicle width direction can be reduced to a minimum.

The rotary blinds 8 and 9 are slid in contact with the select lever 1 in the lateral direction (selection direction), so that the sliding contact surfaces 83 and 93 of the rotary blinds 8 and 9 are inclined guide surfaces 73 and 72. Since it is rotated while sliding, it can be manufactured smoothly and reasonably, with a simple structure, high reliability and low cost.

In the above embodiment, the lateral connecting surface 74 is formed substantially along the rear edge of the elongated hole 71, and the guide pin 75
Is provided at the front center position of the elongated hole 71,
A lateral connecting surface 74 is formed substantially along the front edge of the elongated hole 71, a guide pin 75 is provided at a central position behind the elongated hole 71, and the left and right rotary blinds 8, 9 are reversed front and rear as illustrated. It is good also as a structure which overlapped on the lower surface of the main blind 7.

FIG. 3 shows an example of the configuration of a guide pin 75 provided on the main blind 7. FIG. 3A shows a configuration in which a guide pin 75 having a circular cross section is simply formed integrally with the main blind 7.

FIGS. 3B and 3C show a guide pin 75.
Has a roller function to reduce sliding resistance between the engaging portions 84 and 94 which engage with the guide pins 75. That is, in FIG. 3B, the mounting boss portion 7a is integrally formed on the lower surface of the main blind 7 so as to protrude, and the mounting shaft portion 7 is formed.
A roller 75 'having 5 "is formed as a separate member, and the mounting shaft 75" is inserted into and engaged with the hole 7b of the mounting boss 7a, thereby forming a guide pin 75 having a roller function. Things. In FIG. 3 (C), a roller shaft 7c is formed integrally with a mounting boss 7a on the lower surface of the main blind 7, and an axial slit 7d is formed in the roller shaft 7c and an engaging claw is formed at the lower end. A roller 75 ′ formed as a separate member is inserted into and engaged with the roller shaft 7 c to form a guide pin 75 having a roller function.
It is what constituted.

FIG. 4 shows that the sliding contact surfaces 83 and 93 of the left and right rotating blinds 8 and 9 are provided with a material having low sliding resistance, for example, polyacetal resin (POM) or polytetrafluoroethylene (PTFE: trade name Teflon). This shows an example in which coating portions 83 'and 93' are formed.

In FIG. 5, the left and right rotary blinds 8,
9 the main blind 7 in which the sliding contact surfaces 83 and 93
In which coating portions 72 'and 73' made of a material having a small sliding resistance, for example, polyacetal resin (POM) or polytetrafluoroethylene (PTFE: trade name Teflon) are formed on the guide surface portion 72 and the inclined guide surface portion 73. Is shown.

As described above, the left and right rotating blinds 8,
9 is formed on one or both of the sliding surface portions 83 and 93 and the guide surface portion 72 and the inclined guide surface portion 73 with which the sliding contact portions 83 and 93 slide, so that the left and right rotating blinds 8 are formed. , 9 can be more smoothly rotated, and the operating force of the select lever 1 can be reduced. Further, if a configuration in which the guide pin 75 is provided with a roller function is added to the configuration in which the coating portion such as POM or PTFE is formed, it is even more effective.

FIG. 6 shows another example of the structure of the left and right rotary blinds 8, 9. As shown in FIG.

As described above, the engaging portions 84 and 94 of the rotary blinds 8 and 9 shown in FIG. 2 have a structure having a hook-shaped portion and a substantially U-shaped cam surface portion connected thereto.
FIG. 6 shows an example in which the engaging portions 84 and 94 are formed by substantially V-shaped slots into which the guide pins 75 are slidably fitted. 6, the configuration other than the engaging portions 84 and 94 is the same as that shown in FIG. 2, and the same reference numerals as those in FIG. 2 represent the same portions as those in FIG.

As shown in FIG. 6, when the select lever 1 is operated for selection, the rotary blind in the vertical position is guided to one end of the slot by the engaging portions 84 and 94 each having a substantially U-shaped slot. The engagement of the pin 75 provides a trigger for rotation in the horizontal position direction. With the rotary blind in the horizontal position, the guide pin 75 moves relative to the slot along with the rotation in the vertical position direction. And performs the same function as in FIG.

As described above, the engaging portions 84 and 94 are triggered by the rotating blinds in the vertical position to rotate in the horizontal position direction by engaging the hook-shaped portions or slot ends with the guide pins. For example, as shown in FIG. 7, the rotary blinds 8 and 9 may be provided with a spring 10 for biasing the power from the vertical position to the horizontal position direction. If provided, the rotation from the vertical position to the horizontal position is performed more smoothly, and the operating force of the select lever 1 can be further reduced.

[0032]

As described above, according to the present invention, a substantially H-shaped AT mode guide hole in the front-rear direction, an MT mode guide hole parallel thereto, and a lateral communication guide hole communicating with them are provided. In a dual mode shift operation device of an automatic transmission in which a guide hole of a pattern is provided on an indicator cover, a blind device that shields the guide hole of the H-shaped pattern includes:
A main blind having a width dimension capable of blocking the AT mode guide hole and the MT mode guide hole, and having a horizontally elongated hole substantially corresponding to the communication guide hole, and overlapping a lower side of the main blind; The blind device is configured to include the left and right rotating blinds that rotate within the width of the main blind to cover the elongated hole, thereby shielding the blind device from the AT mode guide hole and the MT mode guide hole. The size of the indicator can be reduced to the required minimum width, the indicator can be made more compact, the sliding resistance of the left and right rotating blinds is reduced, and the operating force of the select lever is reduced. And, combined with the simple and compact structure and the low cost, can bring a great effect in practical use.

[Brief description of the drawings]

FIGS. 1A and 1B show a first embodiment of the present invention, in which FIG. 1A is a vertical sectional front view of a dual mode shift operation device, and FIG. 1B is a plan view of an indicator cover.

FIG. 2 (A), (B), (C), (D) and (E)
FIG. 2 is a plan view sequentially showing the operation of left and right rotating blinds with respect to a main blind in a blind device for blocking an indicator guide hole shown in FIG. 1.

FIGS. 3A, 3B, and 3C are explanatory diagrams each showing a configuration example of a guide pin provided on a main blind. FIGS.

FIG. 4 is a plan view showing a second embodiment of the rotary blind.

FIG. 5 is a bottom view showing a second embodiment of the main blind.

FIG. 6 is a plan view showing a third embodiment of the rotary blind.

FIG. 7 is a perspective view showing a fourth embodiment of the rotary blind.

FIG. 8 is an exploded perspective view showing a configuration example of a conventional indicator guide hole and a blind device for shielding the indicator guide hole.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Select lever 2 Base 3 Indicator housing 4 Indicator cover 5 Indicator 6 Blind 7 Main blind 8, 9 Rotating blind 10 Spring 41 AT mode guide hole 42 MT mode guide hole 43 Communication guide hole 71 Long hole 72 Guide surface portion 73 Slant guide Surface portion 75 Guide pin 81 Insertion hole 82 Long hole shielding portion 83 Sliding contact surface portion 84 Engaging portion 91 Insertion hole 92 Long hole shielding portion 93 Sliding contact surface portion 94 Engaging portion

Claims (4)

[Claims] 1. A guide hole for a select lever provided in an indicator includes a front-rear direction AT mode guide hole, an MT mode guide hole parallel thereto, and the AT mode guide hole and the MT mode guide hole. In a dual mode shift operation device having a guide hole having a substantially H-shaped pattern comprising a communication hole in a lateral direction communicating with the blind hole, a blind device for shielding the guide hole having a substantially H-shaped pattern is provided with an AT mode guide hole and an MT mode. A main hole which has a horizontal width and length that can block the guide hole and has a horizontal slot through which the select lever can be inserted, and is attached to the lower side of the indicator guide hole so that it can be moved in the front and rear direction by operating the select lever in the front and rear direction. Blinds and left and right rotating blinds that are formed in a symmetrical shape to the left and right and are assembled by overlapping on the lower side of the main blind And the rotating blind comprises:
It has an insertion hole for a select lever provided on one side, and an engaging portion that engages with a guide pin projecting downward at the center in the width direction of the main blind, and passes through the communication guide hole of the select lever. During the select operation, the select lever moves laterally in the elongated hole of the main blind, and the left and right rotating blinds rotate around the guide pins within the width of the main blind with the lateral movement of the select lever. An indicator guide hole blind device for a speed change operation device, wherein one of the rotary blinds is configured to switch from a state in which the elongated hole is shielded to a state in which the other rotary blind is shielded from the elongated hole. 2. The main blind according to claim 1,
Guide surfaces are formed on both left and right sides thereof, so that when a select operation is performed through the communication guide hole of the select lever, the left and right rotating blinds rotate around the guide pins while their sliding contact surfaces slide on the guide surface. An indicator guide hole blind device for a shift operating device, comprising: 3. The guide pin according to claim 1 or 2,
An indicator guide hole blind device for a speed change operation device, comprising a guide pin having a roller function in which a roller is rotatably mounted on a mounting boss portion protruding from a lower surface of a main blind. 4. The indicator guide hole blind device for a speed change operating device according to claim 1, wherein:
An indicator guide hole blind device for a speed change operation device, wherein springs are provided for urging the left and right rotary blinds in a direction to shield the elongated hole, respectively.