JP3442258B2 - Shift operation mechanism of manual transmission - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] The present invention relates to a manual transmission.
Speed control mechanism, especially shift operation
The relative position of the gear selected by the gear and the predetermined gear train
Manual transmission in which the relative position of the gear pair for the gear position is different
The present invention relates to a shift operation mechanism suitable for the present invention. [0002] 2. Description of the Related Art As is well known, a manual transmission includes a driver.
On the floor or steering column near the seat
The gear position is selected by the shift lever provided and
By shifting to the gear position, this shift
The operation of the bar is transmitted to a transmission such as a synchronizer,
To achieve the gear selected manually by the driver
It is configured as follows. And improve the shifting operability
Therefore, the position of each gear position should be
They are set to face each other. Specifically, Neutra
On both sides of the guide groove extending from the
Set the two gear positions adjacent to the
Move the bar to the select position between these two gear positions.
From here, shift to one of the gear positions.
It is configured to work. Therefore, normally, the first speed
And second speed, third and fourth speed, fifth and sixth speed
It is configured to be opposed to each other across the select position. [0003] On the other hand, the arrangement of gear pairs in a transmission is based on a vehicle.
Determined based on requirements such as loadability and manufacturability, and
Gear pairs for adjacent gears are always arranged side by side
It is not done. For example, a new 6th speed for a 5 speed transmission
To add a 6-speed transmission while sharing parts
Above the gear pair, the fifth gear pair and the reverse gear pair
Are arranged facing each other or side by side, and the sixth gear
Gear pair is arranged alone, or the sixth gear pair and reverse
While the gear pair of the step is arranged facing or side by side,
There may be a case where the fifth speed gear pair is independently arranged. In the manual transmission having such a configuration, the fifth speed
Shift operation is performed from the select position of the 6th and 6th speeds
Depending on the shift operation direction,
Must be configured to operate the network. Therefore, JP
In the invention described in JP-A-7-91541, the shift
And select lever shaft and fork shaft
With a one-way mechanism in between and 5-speed reverse
Shift fork and shift and select lever shaft
And a connecting mechanism is provided between them. That is, in the invention described in the above publication,
Means that when shifting to fifth gear, the one-way mechanism shifts
In the direction of the axis along with the select lever shaft
Moving and its shift and select lever shaft
Connected to the 5th speed-reverse shift fork via the connecting mechanism.
As a result, the 5-speed reverse
The fifth gear is achieved by operating the starter. 6th gear
The direction of the shift operation is opposite to the direction of the shift operation to the fifth speed.
In this case, the one-way mechanism is
Integrated with the shaft and attached to this fork shaft.
6-speed shift fork activates the synchronizer,
Is achieved. Further shift operation to reverse
Shift and select lever shaft with connection mechanism and 5
The connection with the speed-reverse shift fork is released and the shift
The fork moves in the opposite direction to the fifth speed,
Berth) is achieved. [0006] SUMMARY OF THE INVENTION The above-described conventional gear shifting operation
The operating mechanism is connected to a member that is shifted and moved.
The members are independent of the one-way mechanism and the connecting mechanism.
It is configured to select by two mechanisms.
Therefore, on the shift device, the fifth speed and the sixth speed face each other.
On the gear train, the 5th speed and the reverse
Gear shifting operation of the transmission facing the
However, two selection mechanisms that are completely independent of each other are provided.
Configuration complicates the configuration and reduces manufacturability and cost.
There was room for improvement. The present invention has been made in view of the above circumstances.
Speed change operation that can simplify the structure
It is intended to provide a mechanism. [0008] Means for Solving the Problems and Action Thereof
SUMMARY OF THE INVENTION
Operating force from the lever member by shifting from
A first fork member receiving and operating in one direction;
Shift from the selected position in the direction opposite to the shift operation.
Receiving the operating force from the lever member
Operating in the direction opposite to the operating direction of the first fork member
To shift from another select position.
Receiving the operating force from the lever member,
And a second fork member operated in the same direction
Shift operation mechanism of a manual transmission equipped with, The first f
The fork member and the second fork member,
Engages movably in both directions in opposite directions,
In front of the lever member at the predetermined select position
Operation in both one direction and the opposite direction
A movable member having a second engagement member for transmitting a force;
A moving member provided between the moving member and each of the fork members;
Of the fork member from the lever member to the movable member
The fork member receiving the operating force in the same direction is
A selective connection mechanism that integrally connects to theNote that
In the rect positionSaidIn the one direction of the bar member
OperationA force is applied to the movable member via the second engagement member.
Operating force in one directionFirst fork member
BiographyThe first fork member is provided with1 person
Joint member and frontThe lever in the predetermined select position
An operating force of the member in the opposite direction is applied to the second engagement member.
In the opposite direction when acting on the movable member through
The second fork is so arranged as to transmit the operating force to the two fork members.
No. provided on the work member3 engaging members and frontNote other select
Operating force of the lever member at the
A fourth engaging member for transmitting to the working member;That you have
It is a feature. Therefore, in the speed change operation mechanism of the present invention,
In the predetermined select position, the lever member moves in the one direction.
When the lever member is operated, the lever member becomes the first engagement member.
Is connected to the first fork member by the first fork portion.
The material is moved in said one direction. As a result,
A shift operation to a gear is performed. In that case, the second engagement portion
Since the lever member and the movable member are connected by the material,
The movable member moves together with the first fork member. The result
As a result, the selective connection mechanism connects the movable member and the first fork member,
At leastAlso shiftConnect to move in the direction. did
When the lever member is operated toward the select position
In other words, it is operated in the direction opposite to the one direction.
The first foreground via the movable member and the selective connection mechanism.
The work member is moved. On the other hand, from the predetermined select position,
If the lever member is operated in the opposite direction,
The bar member and the movable member are moved by the second engagement member.
The movable member moves
You. Then, the movable member and the second fork member
Integrated in the direction of movement by the engagement member
Therefore, after all, the second fork member is formed by the lever member.
Moved in the opposite direction to shift to a predetermined gear
An operation is performed. Shift from that gear to another gear
In this case, the lever member and the movable member are connected by the second engagement member.
Because it is connected, move the movable member to the select position
Moving. In that case, the movable member and the second
Since the fork member and the fork member have moved together,
Are integrated by the frame, and
The second fork member is selected by moving to the rect position.
Is moved toward the default position. [0011] Still another select positionTeBar part
When the shift operation is performed so that the material moves in the one direction,
The two fork members move in that direction. In that case, the second
The fork member and the movable member are connected by a third engagement member.
Integrated in the direction of movementAllowedThe moving member is the second fork portion
Move with the materialSometimes,In the state of
The first member and the movable member are relatively movable, so the first
The fork member does not move. In addition, the movable member
Selective coupling mechanism due to the two fork members moving together
These move against the select position.
Embodied, thus operating the lever member in the opposite direction
In this case, the movable portion is moved by the movement of the second fork member.Lumber
CMoved to the rect positionCan be. [0012] DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, specific examples of the present invention will be attached.
This will be described with reference to the drawings. The example shown here is
For manual transmissions that can be set to 6 speeds and 1 reverse speed
This is a gear change operation mechanism.
The gear train of the transmission will be described. In FIG. 5, the input shaft 1 is on the same axis as the input shaft 1.
A force shaft 2 is arranged and these input shafts 1 and outputs
A counter shaft 3 is arranged parallel to the force axis 2. input
At the end of shaft 1 on the output shaft 2 side, there is a fourth speed drive
The gear 4 is formed integrally with the fourth speed drive.
4th gear driven gear 5 meshed with gear 4 is counter
It is formed integrally with the shaft 3. On the other hand, output shaft 2
A third-speed driven gear 6 rotates at the end of the input shaft 1 side.
This third gear driven gear is freely mounted.
The third speed drive gear 7 meshed with the counter shaft 3
It is attached so that it rotates integrally. The fourth-speed drive gear 4 and the third-speed drive gear
A third-speed / fourth-speed synchronization device 8 between the driven gear 6
Is provided. This synchronizer 8 is conventionally known.
Outside the hub integrated with the output shaft 2
Place the hub sleeve on the circumferential side so that it can move in the axial direction.
Of the 4th speed drive gear 4 side or
By moving to the third gear driven gear 6 side, the fourth gear
Drive gear 4 or third speed driven gear 6
It is configured to be connected to the output shaft 2 via a valve. The output shaft 2 has a driven gear 6 for a third speed.
Subsequently, in the rightward direction in FIG. 5, the fifth-speed driven gear 9,
Second speed driven gear 10, first speed driven gear 1
1, 6th speed driven gear 12, for reverse (reverse speed)
The driven gears 13 are rotatably mounted, respectively.
ing. On the other hand, the counter shaft 3
In order from the fifth speed gear engaged with the fifth speed driven gear 9.
Live gear 14 meshed with second gear driven gear 10
2nd speed drive gear 15, 1st speed driven gear 11
First speed drive gear 16 and sixth speed drive gear engaged with
Sixth speed drive gear 17 meshed with the
A reverse idler (not shown) is
Reverse drive gear 1 connected via
8 are provided to rotate with the counter shaft 3 respectively.
Have been. The driven gear 6 for the third speed and the fifth speed
5th forward speed is selectively provided between the
A fifth speed synchronizer 19 is provided for determining the speed. Ma
Second-speed driven gear 10 and first-speed driven gear 1
A first-speed / second-speed synchronizing device 20 is provided between
ing. 6th speed driven gear 12 and reverse gear
Between the driven gear 13 and the sixth speed / reverse synchronous device
Device 21 is provided. These synchronizers 19, 2
0 and 21 are the same as those of the above-described fourth- and third-speed synchronizers 8.
It has the same configuration as that conventionally known. In each of the synchronizing devices 8, 19, 20, 21
Shift forks 22, 23, 24,
25 so that they move integrally with respect to the axial direction.
Each is engaged. And these shift forks 2
2, 23, 24 and 25 are arranged in parallel with the output shaft 2.
Oak shaft (fork shaft 26 for first and second speed)
(Only one is shown). These files
The shift and select lever shaft is attached to the fork shaft.
Shift inner lever 28 integrated with the shaft 27
Are selectively engaged, and the shift inner lever 28
Is moved in the axial direction (left-right direction in FIG. 5).
It is configured to perform a constant shift operation. [0018] The shift and select lever shaft
27 is arranged in a direction orthogonal to the fork shaft 26.
Is placed. In FIG. 5, it is arranged in the direction perpendicular to the paper.
Is rotated by a predetermined angle and is held movably in the axial direction.
Have been. Also this shift and select lever shuff
Of shift inner lever 28 integrated with
The end has a convex arc surface or a spherical surface,
The fork shaft 26 is formed by the convex arc surface or spherical portion.
Is configured to engage with the head 29 in the first position.
An example of this head 29 is an inner head as shown in FIG.
-It is constituted by a pair of protrusions that sandwich the lever 28.
ing. The above shift and select lever shuff
The selector 27 selects a shift lever (not shown).
This allows it to be moved in the axial direction and
It is configured to rotate by shifting operation at the
Has been established. The change selected by the shift lever
The gear position (shift position pattern) is shown in FIG.
It is a cage. In other words, the position indicated by the letter N
This is the neutral position, and the third speed
The position and the fourth speed position are arranged to face each other. Its number
The first speed position is on the left side of FIG. 6 and the fifth speed position is on the right side of FIG.
Each speed position is arranged. And in the 1st speed position
The 2nd speed position is arranged to face, and also faces the 5th speed position
And the sixth speed position. And these each other
The middle part of the opposing gear position is
All select positions. And the first speed in FIG.
The reverse position is located on the left side of the device. Therefore, the gear position in the shift device
The fifth gear and the sixth gear oppose each other,
5th and 6th are separated from each other
And the sixth speed and the reverse are adjacent or opposed to each other.
The fifth gear is independently arranged
You. The present invention for the above-mentioned manual transmission
The shift operation mechanism according to the first embodiment will be described with reference to FIGS.
I will tell. In FIGS. 1 and 2, reference numeral 30 denotes a cable.
This case 30 has a main case 31
Attach support member 32 to main case 31
It is constituted by the sub-case 33 that has been shaken. this
Inside the case 30, from the top in FIG.
Fork shaft 34, 1st speed-2nd speed fork shaft 2
6, 5 speed fork shaft 35, 6 speed-reverse four
The shafts 36 move in the axial direction respectively.
Are arranged parallel to each other. The third-speed to fourth-speed fork shaft 34 is
Both ends are supported by the base 31 and the support member 32.
Have been. 1st and 2nd speed fork shaft adjacent to this
26 is also formed by the main case 31 and the support member 32.
Supported at both ends. These fork shuffs
In FIGS. 5 and 6, the pair of projections 34 and 26 includes a pair of projections shown in FIG.
Heads 37 and 29 are formed. Note that these
The pads 37 and 29 are close to each other as shown in FIG.
Arranged and the center of the opposing surface of each projection is straight
It is lined up. 3rd and 4th speed forks
The shaft 34 has the third-speed / fourth-speed synchronizing device 8 described above.
The shift fork 22 engaged with the hub sleeve in
It is integrated. In the same manner, the first-second speed gear
The first and second speed synchronizing devices 20
Shift fork 24 engaged with the hub sleeve
It is embodied. On the other hand, the fifth speed fork shaft 35 is
Is separated from the 2-speed fork shaft 26
The 5-speed fork shaft 35 is connected to the main case 31
Both ends are supported by the support member 32.
This five-speed fork shaft 35 is the first in the present invention.
This 5-speed fork shaft 35 corresponds to a fork member.
Is formed with a head 38 composed of one protrusion.
You. The fifth speed fork shaft 35 has the
The shift engaged with the hub sleeve in the five-speed synchronizer 19
The fork 23 is integrated. 6th speed-reverse fork shaft 3
6 is located close to the 5-speed fork shaft 35
The 6-speed reverse fork shaft 36
Penetrates through the port member 32, and one end thereof is
3 so that these support members 32
And is supported movably in the axial direction by the base 33.
You. The main casing of this 6-speed reverse fork shaft 36
The end on the side of the thread 31 penetrates the support member 32 and the main case
31 protrudes to the side, and the tip of the present invention
A one-way mechanism 39 corresponding to the selective connection mechanism is provided.
ing. This one-way mechanism 39 is a five-speed fork.
Shaft 35 and 6 speed-reverse fork shaft 36
Sleeve members 40 which are fitted to each other so as to be relatively movable.
And held by this sleeve member 40, and
One-way for selectively engaging with fork shafts 35, 36
The main component is an eyeball 41. You
That is, the sleeve member 40 is, as shown in FIG.
6th speed-river with through hole for penetrating fork shaft 35
And a through hole through which the fork shaft 36 passes,
A communication hole for connecting these through holes is formed.
Therefore, the one-way ball 41 moves inside the communication hole.
It is freely held. The outer diameter of the one-way ball 41 is two
Of the through holes of the fifth speed fork shaft 35,
Between the outer surface and the outer surface of the 6-speed reverse fork shaft 36
The diameter is slightly larger than the spacing. 5 speed gear
Oak shaft 35 and 6-speed reverse fork shaft
Each of the 36 has a slightly one-way ball 41
Recesses 42 and 43 are formed. These recesses 4
Positions 2 and 43 in the axial direction (left-right direction in FIG. 1)
Is in the neutral state (select position).
The position corresponding to the eyeball 41 and the recess 4
The depth of 2, 43 is such that the one-way ball 41 is
It is a depth that can be escaped from 2,43. That is, the sleeve member 40 and one of the four
When the shafts 35 and 36 move relative to each other,
The positions of the parts 42 and 43 are from the position of the one-way ball 41
The fork shafts 35, 3 which have shifted and thus relatively moved
One-way ball 41 comes out of recesses 42 and 43 of 6
Then, it enters the other concave portions 42 and 43. As a result,
Of the fork shafts 35 and 36
Relative fork movement and at the same time
One-way bowing between the feet 35 and 36 and the sleeve member 40
So that they are connected and integrated in the axial direction by the
Has become. Therefore, sleeve member 40 is
Corresponds to the movable member. A five-speed fork of the sleeve member 40
A portion on the outer peripheral side of the shaft 35 includes a pair of protrusions.
Head 44 is formed. Construct this head 44
One of the projections (the left projection in FIG. 1) is described above.
3 in the 3rd-4th speed fork shaft 34
7 or 1-speed to 2-speed fork shaft 26
Has the same configuration as the pad 29, and the other
Part (the right protrusion in FIG. 1) has a thickness of about half
Is formed. This thin projection is a 5-speed fork shuff
And is disposed adjacent to the head 38 in the
The head 38 of the 5-speed fork shaft 35 is also different.
Is about half the thickness of the protruding portion of the head. did
Consequently, these two protrusions are
The thickness is almost the same as the other protrusion for the head
You. That is, as described later, the sleeve member 40
The tip of the shift inner lever is inserted into the head 44
If the shift inner lever is
Head and Five-speed Fork Shaft in Valve Member 40
35 to engage simultaneously with the head 38 in both directions.
Swelling. Here, the 5-speed fork shaft 35 is
Shifting to the fifth speed by moving to the right in FIG.
The head 38 is shifted.
Move the operating force from the inner lever to the right in FIG.
It is formed at the receiving position. The five-speed fork shaft 35
The pad 38 corresponds to the first engagement member in the present invention.
The head 44 of the sleeve member 40 according to the present invention
Corresponding to the second engaging member. On the other hand, a 6-speed reverse fork shaft 3
The tip end of the sleeve 6 penetrating the sleeve member 40 has
A nap ring 45 is attached to the sleeve member.
When the snap lever 40 moves to the left in FIG.
6 and the sixth speed-reverse forward
Is connected to the work shaft 36.
You. Therefore, the snap ring 45 is used in the present invention.
Corresponding to a third engaging member. And a 6-speed reverse fork shaft
A head 46 is integrally attached to 36. This
The head 46 has a pair of heads similarly to the heads described above.
And the shift inner lever to be described later.
-Come in. And these heads
37, 29, 38, 44 and 46 are the same as shown in FIG.
They are arranged on a straight line. 6th speed-reverse forward
Of the shaft 36 is located inside the sub case 33.
The hub three of the 6th speed reverse synchronizer 21
The shift fork 25 engaged with the gear
Have been. Here, the interlock mechanism is described.
A brief description will be given. The interlock mechanism is a so-called double lock
An anti-coupling device, the inside of the support member 32 described above.
It is provided in. That is, inside the support member 32
Is the penetration part of the 3rd-4th speed fork shaft 34 and the 1st speed
The penetrating portion of the 2-speed fork shaft 26 is communicated
Penetrates the communication hole 47 and the first-speed / second-speed fork shaft 26
And the 5-speed fork shaft 35
A second communication hole 48 for communicating with the
Shaft 35 and 6-speed-river
Communicates with the penetrating part through which the fork shaft 36 penetrates
And the third communication hole 49 is formed on the same straight line.
You. These communication holes 47, 48, and 49 have the same length.
Slightly longer lock pins 50 and 51 or slightly larger outer diameter
A lock ball 52 is accommodated therein. In addition, the first speed-second speed fork shaft 26
Is a pin 53 sandwiched between the lock pins 50 and 51.
Are provided inside a hole penetrating in the radial direction. This
Similarly, the 5-speed fork shaft 35 has a lock pin
Pin 54 sandwiched between 51 and lock ball 52
Are arranged inside a hole penetrating in the radial direction. The state shown in FIG. 1 is a neutral state.
Therefore, each lock pin 50, 51, lock ball
52 and pins 53 and 54 are aligned.
3rd-4th speed fork shaft 3 located on one end side
The lock pin 50 can enter the groove formed in
6-speed reverse fork at the other end
The lock ball 52 enters the recess formed in the shaft 36.
It is in a state where it can be inserted. In this state
That fork shaft 34,26,35,36 shifts
When the fork is moved in the axial direction
Located adjacent to the shafts 34, 26, 35, 36
Lock pins 50 and 51 or lock ball 52
Pressed vertically by the surface of the fork shaft
Is done. As a result, if the lock pins 50, 51
Or the lock ball 52 is supported by another fork shaft.
In other words, it is located across the boundary with the gate member 32.
Therefore, the lock pins 50, 51 or
The cup ball 52 is connected to another fork shaft and the support member 3.
2 is connected in the axial direction, and the other
Work shaft cannot move in the axial direction. You
In other words, the shift operation by other fork shafts and
This prevents double engagement. The above fork shafts 34, 26, 3
Machine for shift operation to move 5, 36 in the axial direction
The structure is shown in FIG. The above heads 37, 29, 3
8, 44 and 46 are arranged above the straight line (FIG. 2).
And the upper part in FIG. 5)
The shaft 27 moves in the axial direction and the center axis is centered.
It is arranged so that rotation can be performed. This shift
One end of the AND select lever shaft 27 is
Case 30 and the other end is a case 30
Through which is supported by the case 30.
ing. And its shift and select lever shuff
The tip of the case 27 projecting from the case 30
The outer lever 55 is attached.
A shift lever (not shown) is provided at the tip of the outer lever 55.
They are connected by a cable. This shift and select lever shaft
27, two shift inner levers 28,
56 are attached. These shift inners
Bars 28 and 56 are shift and select lever shuffs
And the cylindrical part spline-fitted to
Extending toward the fork shafts 34, 26, 35, 36
And a lever portion. The lever of the first shift inner lever 28
The parts are a 3-speed-4th-speed fork shaft 34 and a 1st-speed-2
On the head 37, 29 side of the speed fork shaft 26
Extending to one of these heads 37 and 29.
It is configured to selectively engage. Ie these
Between a pair of projections constituting the heads 37 and 29 of FIG.
Into the fork shafts 34 and 26 in the axial direction.
Operating force on these fork shafts 34, 26
It is designed to communicate. Also the shift innerle
While the bar 28 rotates, the fork shaft
34 and 26 are used for linear movement in the axial direction.
Of the tip of the shift inner lever 28
If the surface in contact with 7, 29 is a convex arc surface as shown in FIG.
Or a spherical surface. The second shift inner lever 56 is
Corresponding to the lever member of the invention, and protruded in the radial direction.
The lever portion is a head of the 5-speed fork shaft 35
38 and the head 44 in the sleeve member 40
6th speed-head in reverse fork shaft 36
46, and their heads 38, 44, 46
Is configured to selectively engage with This second
The tip of the shift inner lever 56 is the first shell.
It has substantially the same shape as the tip of the
And the thickness of the tip is
Thickness of one of the protrusions constituting the head 44,
Or in the sixth speed-reverse fork shaft 36
The width is substantially equal to the width of a pair of opposing surfaces constituting the head 46.
Well formed. Therefore, this second shift inner
-The tip of the lever 56 is
In the state of engagement with the
The head 35 is adapted to engage with the head 38. These shift inner levers 28, 56
Means moving up and down in FIG. 1 (right and left in FIG. 2).
Is engaged with one of the heads.
Select operation for performing the
A bar is provided. That is, as shown in FIGS.
As shown in FIG.
A rotation shaft 57 is provided, and an end in the case 30 is provided.
Extends to the shift and select lever shaft 27 side.
The select inner lever 58 is attached.
The tip of the select inner lever 58 is
Integrated with the lift and select lever shaft 27
The second shift inner lever 56 is engaged. The rotating shaft 57 projects outside the case 30.
Select outer lever 59 is attached to the end
Have been. At the tip of the select outer lever 59
Cable (not shown) attached to shift lever is connected
The shift lever select operation force is transmitted here,
As a result, shift and select lever shaft 27
Are configured to reciprocate in the left-right direction of FIG.
You. Next, the operation of the above-described speed change operation mechanism will be described.
Will be explained. First, the selective connection which is a characteristic configuration of the present invention
Shift operation for operating the one-way mechanism 39 corresponding to the mechanism
The work will be described. Shift gear (not shown) to 5th speed
Move to the select position of
Transmitted to the select outer lever 59 by a cable.
And the rotation shaft with this select outer lever 59
57 and the select inner lever 58 rotate.
U. As a result, the tip of the select inner lever 58
Move to the right in FIG.
The lever lever 27 moves to the far right in FIG. In this state, the first inner lever 28
The tip of the
You. On the other hand, a second member corresponding to the lever member of the present invention
Inner lever 56 of the fifth speed shift lever 35
Head 44 in head 38 and sleeve member 40
To a position where it engages. This state is shown in FIG.
Is shown. The shift lever is moved from the select position to the fifth position.
When shifting to the high gear position, the operation
Transmitted to the shift outer lever 55 through the
Shift and select with this shift outer lever 55
The lever lever 27 rotates. This rotation operation
The tip of each of the inner levers 28 and 56 has the shape shown in FIG.
This is a rotating operation that moves rightward in FIG. As a result,
Operating force is applied through the second inner lever 56.
This is transmitted to the engaged heads 38, 44. You
That is, a 5-speed fork integrated with these heads 38 and 44
The shaft 35 and the sleeve member 40 are
Moved to the right. In this case, the sleeve member 40 holds
One-way ball 41, 6-speed-reverse fork
After exiting from the concave portion 43 formed in the
Into the recess 42 formed in the work shaft 35. this
The fork shaft 35 and the sleeve member 4
0 with respect to the moving direction via the one-way ball 41
Integrated. 5-speed fork shaft 35 and sleeve member
FIG. 3 shows a state in which No. 40 has moved to the position for setting the fifth speed.
This is shown in (B). In this state,
The shift fork 23 integrated with the shaft 35 is shown in FIGS.
To the right, and as a result, the fifth speed
The fifth driven gear 9 is connected to the output shaft 2,
Five speeds are achieved. The fifth speed fork shaft 35 is connected to the fifth speed
Is moved in the direction in which the lock ball 5 is set.
2 is pushed to the 6th speed-reverse fork shaft 36 side
And the lock pin 51 is a 1-speed to 2-speed fork shaft
26, and the lock pin 4
7 is pushed to the 3rd-4th speed fork shaft 34 side
You. Therefore, these fork shafts 34, 26,
36 is the lock pins 50 and 51 and the lock ball 52
Therefore, it engages with the support member 32 and its movement is prevented.
You. That is, double engagement is prevented. The shift lever is selected from the state of the fifth speed.
When returning to the default position, the tip of the inner lever 56 is
It moves in the opposite direction to that described above. That is, FIG.
And move to the left in FIG. This inner lever 56
Of the sleeve member 40 with respect to the head 44 of the sleeve member 40.
Direction, the inner lever 56 is
The sleeve member 40 operates as shown in FIGS.
3 and moves to the left in FIG. In contrast
The head 38 formed on the fifth speed fork shaft 35
Is formed by a single projection and shifts to fifth gear.
Is designed to receive operating force only in the
With the operation of the inner lever 56 toward the select position
Therefore, it does not receive the operation force directly. However, as described above, the five-speed fork
The shaft 35 has moved together with the sleeve member 40
Sleeve member 4 by one-way ball 41
0, the sleeve member 40 is
The operating force is applied from the inner lever 56 engaged with the head 44.
By receiving and moving, the 5-speed fork shaft 35
Moves to the left in FIGS. 1 and 3 with this. like this
To select position or neutral position
By operating the shift lever, the state shown in FIG.
Return. From the fifth speed / sixth speed select position to the sixth speed
When the shift lever is shifted to the higher speed side, the second
The tip of the knurled lever 56 is in the opposite direction to the case described above.
Moving. That is, the tip of the second inner lever 56
From the select position shown in FIG.
3 moves to the left. In that case, 5-speed fork shuff
The head 38 formed on the head 35 has a single protrusion.
The inner lever 5 is formed in the shift direction to the sixth speed.
6 does not engage with the 5 speed fork shaft 35
Operating force is not applied and the 5-speed fork shaft 35
It is kept in the same position. On the other hand, the sleeve member 40 was formed.
The head 44 is engaged with the inner lever 56 in both directions.
As described above, the second inner lever 56
When operating in the sixth speed direction, the sleeve member 4
0 moves to the left in FIGS. 1 and 3. This sleeve
The member 40 and the sixth speed-reverse fork shaft 36
In the direction of shifting to sixth gear, snap ring
This corresponds to a third engaging member. ) 45 engagement
Since it is embodied, the sleeve member 40
6-speed reverse fork shaft by moving
36 is in the leftward direction in FIGS. 1 and 3, that is, in the sixth speed direction.
Moving. Therefore, 6th speed-reverse fork shuff
The shift fork 25 attached to the
To the hub three of the 6th speed / reverse synchronizer 21
The gear shifts to the left in FIG.
Are connected to the output shaft 2, and the sixth speed is achieved. In this case, together with the sleeve member 40, the sixth speed
Since the reverse fork shaft 36 moves, three
The one-way ball 41 held by the ball member 40 is in the fifth speed
Get out of the concave part 42 of the fork shaft 35, and
It enters the recess 43 of the birth for shaft 36. That
As a result, the sleeve member 40 and the 6-speed reverse
The foot 36 is moved by the one-way ball 41
Integrated in the direction. The state is shown in FIG.
Is shown. Therefore, the shift lever is moved from the sixth speed position.
When shifting to the 5th or 6th speed select position
In this case, the tip of the second inner lever 56 is in the state shown in FIG.
Move to the right from the position shown in. Three with it
The valve member 40 receives an operating force via its head 44,
1 and to the right in FIG. In that case, the sleeve
The member 40 moves away from the snap ring 45.
Therefore, the transmission of operating force does not occur in this part,
Drive member 40 and 6th speed-reverse fork shaft 36
Are connected and integrated by the one-way ball 41
Move the sleeve member 40 toward the select position.
6-speed reverse fork shaft 36
And move rightward in FIG. And in FIG.
Return to the state shown. Note that, with the shift to the sixth speed,
The other fork shafts 34, 2 by the interlock mechanism.
The blockage of the movement of 6,35 is due to the fifth speed mentioned above.
This is similar to the case of shifting. Further, a shift lever is provided for setting the reverse gear.
Move the cursor to the reverse select position.
Transmitted to the shift and select lever shaft 27,
This shift and select lever shaft 27 is shown in FIG.
Move to the far left. As a result, the first inner lever
28 does not engage any of the heads, whereas the second
The tip of the inner lever 56 is 6-speed reverse
Engaging with a head 46 provided on the work shaft 36. this
The head 46 is connected to the second inner lever 5 as described above.
6 is provided with a pair of opposing surfaces sandwiching the tip portion of FIG.
The inner lever 56 is engaged in both left and right directions. So
3D is shown in FIG. Therefore, the vehicle moves backward from the reverse select position.
When the shift lever is shifted to the gear position, the second
The tip of the knurled lever 56 is shifted from the position shown in FIG.
In the direction indicated by the arrow, and accordingly the sixth speed-reverse fork
The shaft 36 moves rightward in FIGS. 1 and 3. Soshi
The shift fork 25 attached to the lever is on the right in FIG.
In the reverse direction, the driven gear 13 for the reverse
To the output shaft 2 by the sixth speed / reverse synchronizer 21
The reverse gear is achieved. This state is shown in FIG.
This is shown in (E). When the shift operation is performed to the reverse gear in this way,
6th speed-reverse fork shaft 36 and sleeve
When the material 40 is engaged with the snap ring 45
And the sleeve member 40 is a 6-speed reverse
It moves with the raft 36. However, this sleeve
The member 40 and the 5-speed fork shaft 35 can move relative to each other.
And the one-way ball 41 is
Since it comes out of the concave portion 42 of the shaft 35, the sleeve member
The 40 and the fifth speed fork shaft 35 do not engage. sand
That is, the 5-speed fork shaft 35 is left as it is.
You. Also, when shifting to the reverse gear,
Lock mechanism operates in the same manner as described above
Prevents shaft movement. The 6th speed-reverse fork shaft 3
The head 46 formed on the second inner lever 5
6 is engaged in both the left and right directions in the figure,
The tip of the second inner lever 56 is shown in FIG.
6th gear-reverse forward
Shaft 36 and the shift fork attached thereto.
Move to the left and shift to sixth gear
However, as shown in FIG.
Shift position is set across the
Therefore, such a shift operation does not occur. What
If the transmission is equipped with a mechanism to prevent such shift operation,
Or inside the gearshift operating device, if necessary.
It can be carried out. Each of the above-described fifth speed, sixth speed, and reverse speed
Shift operation to a gear other than the first gear and associated gear operation
The operation of the mechanism is almost the same as the conventional one. Below,
The shift from the first gear to the fourth gear will be briefly described. D
The neutral position is the third speed and the fourth speed as described above.
And the middle position. From here, shift lever to 1st speed
When moved to the 2nd speed select position, shift and select
The lever lever 27 moves from the position shown in FIG.
And the first inner lever 28 is
At a position on the shaft 26 that engages the head 29.
Is determined. When shifting from this state to the first gear,
The tip of the inner lever 28 is turned rightward in FIGS.
As a result, the first-second speed fork shafts 26 and
And the shift fork 24 integrated with this
Go to Then, the first speed / second speed synchronizer 20
The driven gear 11 for the first speed is connected to the output shaft 2
First gear is achieved. On the contrary, the shift operation to the second speed is performed.
The first and second speed fork shafts 26 and
The shift fork 24 that has been embodied
Move in the opposite direction, and the second speed driven gear 10
The second speed is achieved by being connected to the output shaft 2. Further, the gear is shifted to the third / fourth speed select position.
When the lever is operated, the shift and select lever
The shaft 27 is in the position shown in FIG.
When the shift operation is performed, the tip of the first inner lever 28
It moves to the right in FIG. 1 and FIG.
Four-speed fork shaft 34 and shift shaft integrated therewith
The fork 22 moves similarly. As a result, the third and fourth gear
The third-speed driven gear 6 is driven by the operation of the speed synchronizing device 22.
The third speed is achieved by being connected to the force shaft 2. On the other hand, when the shift operation is performed to the fourth speed,
The third-speed / fourth-speed fork shaft 34 is located on the right in FIGS.
Move in the direction. And the third-speed / fourth-speed synchronizing device 22
Therefore, the fourth speed drive gear 4 is connected to the output shaft 2,
Fourth speed is achieved. The present invention has been described based on specific examples.
However, the present invention is not limited to the above specific examples.
Thus, the first engagement member is the five-speed fork shaft described above.
It is not limited to a single projection at 35,
In short, it is only necessary to perform the same operation. Also
Second and third engagement members of the present invention
The point is that the head 44 and the snack in the specific example described above are used.
What is necessary is just to perform the same operation as the pulling 45. Sa
In the above example, the shift inner lever is
To engage with the head formed on the shaft
However, the shift inner lever engages directly with the shift fork
May be configured so that in the present invention
The first and second fork members are connected to the aforementioned fork system.
It is not limited to those consisting of a shaft and a shift fork.
No. The manual transmission according to the present invention has a forward movement 6
It may be other than one step and one reverse. In the above specific example, the shift and select
The selector lever moves in the axial direction to perform the select operation.
And the shift and select lever shaft
Is configured to perform a shift operation by rotating
However, in the present invention, on the contrary, the rotating operation is performed.
Select operation and move in the axial direction.
The shift operation is performed by
Can also be. One example is shown in FIG. The speed change operation mechanism shown here is a so-called die
The case 30
Shift and select lever shuffle
100 is rotatable and held movably in the axial direction.
Have been. This shift and select lever shaft 1
The upper part of FIG. 4 in FIG.
A shift lever housing 102 is provided. shift
The lever 103 is provided on the shift lever housing 102.
It is located above and has a spherical support formed in the middle.
Is held on the receiving seat 105 of the case 30 by the holding portion 104.
Have been. Therefore, the shift lever 103 is
Swing in both the left and right direction and the direction perpendicular to the plane of FIG.
It is configured to be able to move. On the other hand, a shift and select lever shuff
The shift gear 100 has three shift shafts protruding in the radial direction.
Inner levers 106, 107 and 108 are integrally provided.
Have been. The rotation of the first shift inner lever 106
Extending from the 1st-speed to 2nd-speed fork shaft 26
Extending from the head 29 and the third- and fourth-speed fork shafts 34.
Head 37 is disposed. Note that these files
The fork shafts 26 and 34 are
It is arranged in parallel with Trevor shaft 100,
The case 30 is movably supported in the axial direction. The second shift inner lever 107
The head extending from the 5-speed fork shaft 35
And the head 44 extending from the sleeve member 40
Are located. Further, the third shift inner lever 1
08-rotation range, 6th speed-reverse fork shaft 36
A head 46 extending from the head 46 is disposed. Each of these
The positional relationship between the gear and each shift inner lever is as follows.
It is as follows. That is, when the shift lever 103 is
In the first shift inner position.
-Only the lever 106 is a 3rd-4th speed fork shaft 3
4 only engages with the head 37. On the other hand
Operate the shift lever 103 to the 1st / 2nd speed select position
In the state in which the first shift inner lever 106 is
But only on the head 29 of the first-speed / second-speed fork shaft 26
Engage. Shift to 5th and 6th speed select position
In the state where the lever 103 is selected, the second shift
Only the inner lever 107 is a 5-speed fork shaft
35 and the head 44 of the sleeve member 40
Engage. Then, shift lever 1 is set to the reverse gear select position.
03 is selected, the third shift inner
-Only lever 108 is 6 speed-Reverse fork shaft
Only 36 heads 46 are engaged. In the speed change operation mechanism shown in FIG.
-103, the above selection operation
Predetermined shift inner lever at specified position
The shift lever 103 in this state.
Shift operation, the inner lever is
Move the fork shaft and attached to it
Shift fork activates the synchronizer,
The gear position corresponding to the gear operation is achieved. [0071] As described above, the speed change operation of the present invention is performed.
The mechanism directs the first lever member and the first fork member in a direction.
A first engagement member to be engaged in a state with
Second engagement member for engaging one lever member without directionality
, Movable member, first fork member and second fork portion
With a selective connection mechanism that selectively connects the material
Therefore, in the shift device, the gearshift
Gear of a transmission having a gear that is not in the opposite position
Work is achieved with a simple configuration centering on the movable member.
Multiple speeds, especially 6 forwards and 1 reverse
When a transmission that achieves a gear can be obtained by improving an existing transmission
In this case, the scope of improvement can be reduced, and
It is possible to obtain practically excellent effects such as
it can.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view showing an example of the present invention. FIG. 2 is a cross-sectional view for explaining the configuration of the shift and select lever shaft. FIG. 3 is an explanatory diagram for explaining an operation when setting a fifth speed, a sixth speed, and a reverse speed. FIG. 4 is a cross-sectional view for explaining another example of the present invention. FIG. 5 is a skeleton diagram showing an example of a gear train of a manual transmission according to the present invention. FIG. 6 is a diagram showing an arrangement (shift pattern) of shift positions in the shift device. [Description of Signs] 28 Inner lever 35 5-speed fork shaft 36 6-speed-reverse fork shaft 38 Head 39 One-way mechanism 40 Sleeve member 44 Head 45 Snap ring

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-7-91540 (JP, A) JP-A-8-114264 (JP, A) JP-A-3-189476 (JP, A) (58) Field (Int.Cl. ⁷ , DB name) F16H 61/26-61/36 F16H 63/00-63/38

Claims (1)

(57) [Claims] 1. A shift operation is performed from a predetermined select position.
Operates in one direction by receiving operating force from lever member
A first fork member to be moved and from the select position
By performing a shift operation in the opposite direction to the shift operation,
Receiving the operating force from the lever member,
Moved in the direction opposite to the direction of movement of the member, and
Lever member by shifting from the select position
Moves in the same direction as the first fork member
Of a manual transmission with a second fork member
In gear change mechanism, The first fork member and the second fork member
Relative movement in both the direction and the opposite direction
Engaged with the lever at the predetermined select position.
-In both the one direction and the opposite direction of the member
Member having a second engagement member for transmitting an operating force to the movable member
When, Provided between the movable member and each of the fork members,
Movable from the lever member of the fork members
The fork member receiving the operating force in the same direction as the member
A selective connection mechanism integrally connected to the moving member, In the selected positionSaidOf the bar member
Operation in one directionThe force is applied through the second engagement member to the
When acting on a movable member, the operating force in one directionFirst
Transfer to fork memberProvided on the first fork member to reach
No.1 engagement member;The lever member at the predetermined select position
An operation force directed in the opposite direction is moved forward through the second engagement member.
When acting on the movable member, the operating force in the opposite direction is
The second fork member transmits the power to the second fork member.
The provided 3 engaging members;Operating force of the lever member at the other select position
A fourth engagement member for transmitting the force to the second fork member; Be prepared
A shift operation mechanism for a manual transmission, comprising: