JP2003118412A - Shift lever structure of manual transmission for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shift lever structure for a manual transmission for a vehicle improving fitting workability in fitting a shift lever to a retainer of the manual transmission. SOLUTION: This shift lever structure for the manual transmission for the vehicle is provided with the retainer 1 installed in the vehicle side and having an assembling hole, the shift lever 5 set in a reverse position of a select position with a pushing operation, and an energizing spring 4. This structure is also provided with a spring engagement part 15 in the retainer 1 and a spring presser ring 2 retained by being engaged with the spring engagement 15 of the retainer 1. The spring presser ring 2 abuts on the energizing spring 4 accumulating a spring force so as to prevent projection of the energizing spring 4 accumulating the spring force.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shift lever structure for a manual transmission for a vehicle, which has improved workability in assembly.

[0002]

2. Description of the Related Art When a vehicle manual transmission is mounted on a vehicle, when the vehicle manual transmission is mounted on the vehicle with the shift lever already mounted on the retainer of the manual transmission,
The long-shifting shift lever may interfere with the vehicle floor, console, or the like. Therefore, in order to avoid this interference, in general, the retainer of the manual transmission in which the shift lever is not yet assembled is assembled to the vehicle.

In this case, the retainer of the manual transmission in which the shift lever is not yet assembled is assembled on the vehicle side. After that, the shift lever will be assembled to this retainer. In this case, it is preferable that the shift lever can be easily assembled even in a narrow space such as the passenger compartment.

However, in the case of a manual transmission of the type in which the shift lever is pushed downward to operate in the reverse position of the shift position, the shift lever is used as a retainer of the manual transmission while elastically contracting the biasing spring. Need to be assembled. At the time of this assembly, the assembly work was not always easy because of the influence of the reaction force of the elastically contracted biasing spring.

A detailed description will be given below. Conventionally, as a shift lever structure of a manual transmission for a vehicle, as can be understood from FIG. 10 showing a state before assembling and FIG. 11 showing a state after assembling, a retainer equipped on a vehicle side and having an assembling hole 10X. 1X, a shift lever 5X that is fitted into the assembling hole 10X of the retainer 1X and pivotally supported in a swingable manner, and a biasing spring 4X that biases the shift lever 5X are known. The shift lever 5X is provided with an assembling hole 1 of the retainer 1X.
A ball seat 53X which is fitted and assembled with 0X,
Ball portion 5 pivotably supported by the ball seat 53X
Lever 52X having 1X.

When the lever 52X of the shift lever 5X is swung about the ball portion 51X, the shift lever 5X is moved.
Can be set to the first to sixth speeds of the shift position of the select position. The biasing spring 4X has a biasing force in the upward direction, that is, in the direction of the arrow Y2.

In a normal state, the shift lever 5X is lifted upward, that is, in the direction of the arrow Y2 in accordance with the urging force of the urging spring 4X, whereby the shift lever 5X can be set to the shift position of the select position. ing.

If the user pushes down the shift lever 5X in the downward direction, that is, in the direction of the arrow Y1 against the spring force of the biasing spring 4X, the biasing spring 4X accumulates the spring force along with the pushing operation. While elastically contracting. In this case, the shift lever 5X can be set to the reverse position of the select position.

When assembling the above-described vehicle manual transmission to a vehicle, in order to avoid the problem that the shift lever 5X interferes with the vehicle floor or the like as described above, the shift lever 5X is not assembled yet. The manual transmission will be installed in the vehicle.

That is, first, the retainer 1X of the manual transmission in which the shift lever 5X is not yet assembled is assembled to the vehicle side. After that, the shift lever 5X equipped with the biasing spring 4X is used, and the shift lever 5X is attached to the retainer 1
Insert into the mounting hole 10X of X and shift lever 5X
The pressing plate 66X of is applied to the end surface 1c of the retainer 1X. Then, the assembling bolt 19X is screwed into the female screw hole 1a of the end surface 1c of the retainer 1X to fix the pressing plate 66X to the end surface 1c of the retainer 1X. As a result, the shift lever 5X equipped with the biasing spring 4X is assembled to the retainer 1X of the manual transmission (see FIG. 11).

[0011]

In this case, even in a narrow space such as the passenger compartment, the shift lever 5X is attached to the retainer 1X.
It is preferable that it can be easily assembled. However, as described above, this manual transmission is of a type for pushing the shift lever 5X downward (in the direction of the arrow Y1) to operate to the reverse position of the shift position. This type of manual transmission is equipped with a biasing spring 4X. And biasing spring 4
Shift lever 5 while elastically contracting X in the direction of arrow Y1
It is necessary to assemble X to the retainer 1X of the manual transmission.
In this case, the worker's assembly work receives the reaction force of the elastically contracting biasing spring 4X. Therefore, the assembly work by the worker is not always easy. Especially, the assembling work in a narrow place was not easy.

The present invention has been made in view of the above circumstances, and provides a shift lever structure for a manual transmission for a vehicle, in which the workability of assembling the shift lever to the retainer of the manual transmission is improved. It is an issue.

[0013]

SUMMARY OF THE INVENTION A shift lever structure for a vehicle manual transmission according to the present invention comprises a retainer mounted on the vehicle side and having an assembly hole, and a retainer fitted into the assembly hole to swing. And a lever having a ball portion pivotally supported so that the shift lever can be set to the shift position of the select position with the swing of the lever and can be set to the reverse position of the select position with the pushing operation. When the shift lever is pushed, the shift lever is biased so that the shift lever can be set to the gear shift position side of the select position, and the spring force is elastically contracted while accumulating the spring force when the shift lever is pushed. A shift lever structure of a vehicle manual transmission having a biasing spring capable of setting the shift lever to a reverse position of a select position. The spring engaging portion provided on the retainer and an urging spring that is retained by being engaged with the spring engaging portion of the retainer and accumulates the spring force, and accumulates the spring force. And a spring pressing ring that prevents the biasing spring from protruding.

According to the present invention, in the assembling work for assembling the shift lever to the retainer, the biasing spring elastically deformed in the direction of accumulating the spring force can be held by the retainer by the spring pressing ring. . For this reason,
Unlike the prior art, the operator can assemble the shift lever to the retainer without being affected by the reaction force of the biasing spring.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION The shift lever has a ball seat fitted and assembled in the retainer mounting hole, and the ball portion of the shift lever swings in the retainer mounting hole through the ball seat. A possible pivoted embodiment may be employed. The retainer means a portion that serves as a base portion that swingably holds the shift lever.

As the spring pressing ring, an embodiment having a C-shape or an O-shape in a plane can be adopted. The material of the spring holding ring is not particularly limited, and a metal-based material such as carbon steel or alloy steel,
A hard resin system can be exemplified. As a spring retaining ring,
It is possible to adopt an embodiment having a plurality of protrusions that protrude in the radial direction and come into contact with the biasing spring and prevent the biasing spring accumulating the spring force from projecting. The protrusion of the biasing spring accumulating the spring force is prevented by the protrusion of the spring pressing ring. The number of protrusions of the spring holding ring is not particularly limited. The lower limit of the number of protrusions can be, for example, 2 or more, and the upper limit of the number of protrusions can be, for example, 5 or less, 10 or less, 15 or less, or 20 or less.

The spring pressing ring may adopt an embodiment having a rotation stopping portion for preventing rotation of the spring pressing ring in the circumferential direction. When the spring holding ring has the rotation stopping structure in this way, the spring holding ring can effectively exhibit the effect of suppressing the protrusion of the biasing spring. The shape of the rotation preventing portion is not particularly limited, but may be a protruding piece shape.

The ball seat of the shift lever can adopt an embodiment having a recess facing the protrusion of the spring holding ring. As the recess of the ball seat,
It is preferable that the shift lever is provided in a phase corresponding to the protruding portion of the spring pressing ring in the circumferential direction of the shift lever. The number of recesses can be the same as the number of protrusions.

[0019]

Embodiments of the present invention will be specifically described below with reference to FIGS. FIG. 1 shows a state before the retainer 1 and the shift lever 5 are assembled. FIG. 2 shows a state in which the retainer 1 and the shift lever 5 are assembled. FIG. 3 is a sectional view taken along line III-III in FIG. FIG. 4 is a sectional view taken along line IV-IV of FIG. FIG. 5 shows a cross-sectional view taken along the line VV of FIG. FIG. 6 shows a plan view of the spring pressing ring 2. FIG. 7 shows a state in which the spring pressing ring 2 and the biasing spring are assembled to the retainer 1.

In this embodiment, as shown in FIG.
The retainer 1 is made of metal and is mounted on the vehicle side. The retainer 1 has a shaft core P1 and has an assembly hole 1 that opens upward.
Has 0. The retainer 1 includes an outer tubular portion 11 and an outer tubular portion 11
Through the seating wall 12 and the inner cylindrical portion 13 formed in the outer cylindrical portion 11. The seating wall 12 is a ring-shaped seating surface 12k.
Have. A ring-shaped spring engaging portion 15 is formed on the upper portion of the outer cylindrical portion 11 so as to face the assembling hole 10.

The spring engaging portion 15 is for engaging and holding the spring pressing ring 2. The spring engaging portion 15 is
An engaging groove 15a formed in a ring shape so as to go around the assembling hole 10 while facing the assembling hole 10, and an engaging protrusion 15c formed in a ring shape above the engaging groove 15a.
Have and.

The inner cylinder portion 13 of the retainer 1 has a bottom wall 18 having a wall 16 forming the assembling hole 10 and a through hole 17 penetrating therethrough.
It has and. In the engaging groove 15a of the spring engaging portion 15,
The spring holding ring 2 is fitted and held.

As shown in FIG. 6, the spring holding ring 2
Has a C shape in a plane and has an inner peripheral surface 2m and an outer peripheral surface 2n. The spring pressing ring 2 has a plurality of protrusions 20 that protrude like tongues in the radial inward direction (centripetal direction). The protrusions 20 are provided dispersed in the circumferential direction of the spring pressing ring 2. In this embodiment, the protrusion 2
The number of 0s is 4 in total, but is not limited to this. At one end of the spring pressing ring 2, there is formed a rotation stopping portion 22 that projects like a tongue in the radially outward direction.

While the C-shaped spring pressing ring 2 is elastically contracted and deformed radially inward, the spring pressing ring 2
Are fitted and retained in the engaging grooves 15 a of the spring engaging portion 15 of the retainer 1. When the spring pressing ring 2 is released from the reduced-diameter deformation, the spring pressing ring 2 elastically restores and the detent portion 22 engages with the wall portion of the retainer 1, so that the spring pressing ring 2 moves in the circumferential direction. It is fitted into the engagement groove 15a in a state where rotation is prevented. In the state where the spring pressing ring 2 is fitted in the engagement groove 15a in this way, the spring pressing ring 2 is prevented from coming off by the engagement projection 15c of the spring engaging portion 15. The spring pressing ring 2 is also called a snap ring.

As shown in FIG. 7, the urging spring 4 includes the inner cylindrical portion 1
It is a coil spring coaxial with 3. The biasing spring 4 is accommodated in the mounting hole 10 of the retainer 1 while being seated on the seating surface 12k of the seating wall 12 of the retainer 1. In this manner, in the state where the biasing spring 4 is housed in the assembly hole 10 of the retainer 1, the biasing spring 4 is elastically contracted along the axial direction of the retainer 1 and accumulates the spring force. . The upper end of the biasing spring 4 in the state where the spring force is accumulated in this way is pressed by the projecting portion 20 of the spring pressing ring 2. As a result, the urging spring 4 accumulates the spring force and is prevented from protruding upward, that is, in the direction of the arrow Y2 due to the spring force.

As shown in FIG. 1, the shift lever 5 has an insertion portion 50 at its tip and a ball portion 51 at its intermediate portion.
And a ball seat 53 that holds the ball portion 51 in a swingable manner. The ball portion 51 has a pivot shaft 51m. The ball seat 53 uses a resin as a base material in order to reduce vibration. The first insert member 61 and the first insert member 6 are provided on the lever 52.
The cap 63 is fitted in via 2. Cap 6
A knob (not shown) for operation is held at 3. The first insert member 61 and the second insert member 62 use a soft material (rubber or resin) as a base material in order to reduce vibration and the like.

As shown in FIG. 2, the ball seat 53 is
The shift lever 5 includes a main body 55 having a spherical surface 54 for swingably supporting the ball 51 and a flange 57 extending upward from the main body 55. As can be understood from FIG. 3, the pivot shaft 5 of the ball portion 51 of the shift lever 5 is
1 m projects laterally and is swingably supported by the ball seat 53.

8 and 9 show the ball seat 53.
As shown in FIG. 8, the ball seat 53 of the shift lever 5
In the flange portion 57, a plurality of recesses 58 are formed dispersedly in the circumferential direction of the flange portion 57. The recess 58 is
The spring holding ring 2 faces the projecting portion 20 of the spring fitting ring 2 so as to be fittable, and is provided in a phase corresponding to the projecting portion 20 of the spring holding ring 2 in the circumferential direction of the shift lever 5. That is, each recess 58 of the ball seat 53 has the same phase as that of the protrusion 20 of the spring pressing ring 2.

A pressing plate 66 is provided on the ball seat 53 via a bellows portion 59. A female screw hole 1a is formed in the end surface 1c of the retainer 1 by opening.

As shown in FIG. 2, the retainer plate 66 is fixed to the end surface 1c of the retainer 1 by screwing the assembly bolt 19 into the female screw hole 1a of the retainer 1.
As a result, the shift lever 5 is assembled to the retainer 1. In this manner, when the shift lever 5 is assembled to the retainer 1, the biasing spring 4 biases the flange portion 57 of the ball seat 53 upward, that is, in the direction of the arrow Y2.
As a result, the shift lever 5 is biased in the same direction. With such an urging force, the shift lever 5 can be set to the first to sixth speeds of the shift position of the select position.

Now, the case of assembling the vehicle manual transmission will be described. That is, as shown in FIG. 1, first, the retainer 1 in a state where the shift lever 5 is not attached is attached to the vehicle side. Then, the urging spring 4 is seated on the seating wall 12 of the retainer 1, and the seated urging spring 4 is seated.
Is elastically contracted in the axial direction thereof.

After that, the spring pressing ring 2 is fitted into the engaging groove 15a of the spring engaging portion 15 of the retainer 1 while elastically contracting the spring pressing ring 2 in its radial direction. If the elastic contraction of the spring pressing ring 2 in the radial direction is released, the spring pressing ring 2 automatically restores in the radial outside direction.
The spring pressing ring 2 is assembled by engaging with the engaging groove 15a of the spring engaging portion 15 of the retainer 1. At this time, as shown in FIG. 4, the detent portion 22 of the spring pressing ring 2 engages with the concave detent portion 15x of the engaging groove 15a, so that the detent of the spring pressing ring 2 in the circumferential direction is prevented. To be prevented.

As described above, when the spring pressing ring 2 is assembled by being engaged with the engaging groove 15a of the spring engaging portion 15 of the retainer 1, the biasing spring 4 is elastic in the axial direction thereof. Although contracted and the spring force is accumulated, as shown in FIG. 2 and FIG. 7, the protrusion 20 of the spring pressing ring 2 comes into contact with the upper end 4u of the urging spring 4 and presses the urging spring 4. There is. Therefore, although the urging spring 4 is elastically contracted in the axial direction of the urging spring 4, the urging spring 4 is prevented from protruding upward from the assembly hole 10 of the retainer 1, that is, in the arrow Y2 direction.

After the spring holding ring 2 is assembled as described above, the shift lever 5 is used as shown in FIG. 1, and the insertion portion 50 of the shift lever 5 is passed through the through hole 17 of the retainer 1. Then, the main body 55 of the ball seat 53 of the shift lever 5 is arranged inside the inner tubular portion 13 of the retainer 1 and is fitted into the assembly hole 10 of the retainer 1.

After that, with the pressing plate 66 of the shift lever 5 in contact with the end surface 1c of the retainer 1, the assembling bolt 19 is screwed into the female screw hole 1a to shift the shift lever 5
Is fixed to retainer 1. This completes the assembly of the vehicle manual transmission.

When the assembly is completed in this way, as shown in FIG. 4, the projection 20 of the spring pressing ring 2 is fitted in the recess 58 of the ball seat 53.

Particularly, according to this embodiment, as shown in FIG. 4, the recess 58 of the ball seat 53 and the spring pressing ring 2 are
A gap 29a is formed between the protrusion 29 and the protrusion 20. A gap 29c is formed between the outer peripheral surface of the ball seat 53 and the inner peripheral surface 2m of the spring pressing ring 2. Since the gaps 29a and 29c are provided in this manner, excessive frictional sliding between the ball seat 53 and the spring pressing ring 20 is suppressed, and when the shift lever 5 is moved in the arrow Y1 direction and the arrow Y2 direction. The friction and sliding resistance of is reduced. That is, shift lever 5 in the direction of arrow Y1,
The operation of moving in the arrow Y2 direction becomes good.

When the vehicle manual transmission is completely assembled as described above, as shown in FIG. 3, the inserting portion 50 of the shift lever 5 is connected to the retainer 1 and a separate connecting member 90. ing. Therefore, as shown in FIG. 3, the insertion portion 50 of the shift lever 5 is connected to the control shaft 92 for shift control via the connecting member 90.

In the state in which the assembling of the vehicle manual transmission is completed as described above, in FIG. 2, the spring 4 for urging the shift lever 5 moves upward, that is, in the direction of the arrow Y2, through the ball seat 53 and the shift lever 5. Is urged. With the bias, the shift lever 5 can be set to the first to sixth speeds, which are the shift positions of the select position. Therefore, if the user manually operates the shift lever 5, the shift position of the shift lever 5 can be set to the first to sixth speeds.

When the user manually pushes the shift lever 5 downward, that is, in the direction of the arrow Y1, the ball seat 53 of the shift lever 5 moves in the same direction, and the bottom surface 55c of the main body 55 of the ball seat 53 moves toward the retainer 1. Approaches or contacts the bottom wall 18. At this time, the shift lever 5 can be set to the reverse position of the select position while elastically contracting the biasing spring 4 in the axial direction thereof, that is, while accumulating the spring force of the biasing spring 4.

As described above, when the user manually pushes down the shift lever 5 in the direction of the arrow Y1, the urging spring 4 is applied to the finger of the user who is operating the shift lever 5.
The spring force of acts as a resistance force. Therefore, the user can feel the change of the select position to the reverse position as a feeling.

As described above, according to this embodiment, when the shift lever 5 is assembled to the retainer 1, the biasing spring 4 elastically deformed in the direction of accumulating the spring force is attached to the retainer 1 by the spring pressing ring 2. Can be held. Therefore, when the shift lever 5 is assembled to the retainer 1 of the manual transmission, unlike the prior art, the work of the operator can avoid the influence of the reaction force due to the spring force of the biasing spring 4. Therefore, the work of assembling the shift lever 5 to the retainer 1 of the manual transmission can be favorably performed.

Further, according to the present embodiment, the spring pressing ring 2 has a C-shape in a plane, and projects in the radial direction and engages and abuts the biasing spring 4 to project the biasing spring 4. It has a plurality of protrusions 20 for preventing the above. According to the present embodiment as described above, the protrusion of the biasing spring 4 accumulating the spring force is
It can be reliably prevented by the protruding portion 20 of the spring pressing ring 2.

Further, according to this embodiment, the spring pressing ring 2 has the rotation stopping portion 22 for preventing the spring pressing ring 2 from rotating in the circumferential direction. In this way, if the detent portion 22 detents the spring pressing ring 2 in the circumferential direction, the holding property of the spring pressing ring 2 is further improved. Therefore, the protrusion 20 of the spring pressing ring 2 can effectively prevent the urging spring 4 elastically contracting and accumulating the spring force from protruding in the arrow Y2 direction.

According to this embodiment, as shown in FIG. 4, a gap 29a is formed between the recess 58 of the ball seat 53 and the protrusion 20 of the spring holding ring 2. Further, the outer peripheral surface of the ball seat 53 and the inner peripheral surface 2 of the spring pressing ring 2
A gap 29c is formed between m and m. Therefore, even if the shift lever 5 moves in the directions of the arrows Y1 and Y2, it is possible to prevent the concave portion 58 of the ball seat 53 and the protruding portion 20 of the spring pressing ring 2 from frictionally sliding excessively, and the shift lever 5 is moved. It can be moved well in the arrow Y1 direction and the arrow Y2 direction.

(Others) In the above-described embodiment, the spring retaining ring 2 is formed with the detent portion 22 projecting radially outward at one end thereof. However, the position of the detent portion 22 is provided at the spring retaining ring. If it is 2, any part may be used. In the above-described embodiment, the shift position of the shift lever 5 can be set to the first to sixth speeds, but the present invention is not limited to this and the first to sixth speeds can be set.
Needless to say, it may be set to the fifth speed or may be other than that. Besides, the present invention is not limited to the above-described embodiments, and can be implemented with appropriate modifications within the scope not departing from the gist. The words and phrases described in the embodiments can be partially described in the claims.

[0047]

According to the shift lever structure of the vehicle manual transmission according to the present invention, when the shift lever is assembled to the retainer, the biasing spring elastically deformed in the direction of accumulating the spring force is applied by the spring pressing ring. Can be retained in retainer. Therefore, when assembling the shift lever to the retainer of the manual transmission, unlike the prior art, it is possible to eliminate the problem caused by the reaction force due to the spring force of the biasing spring. Therefore, the work of assembling the shift lever to the retainer of the manual transmission can be favorably performed. That is, the workability of assembling the shift lever to the retainer of the manual transmission can be improved.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a state before assembling a retainer and a shift lever.

FIG. 2 is a cross-sectional view showing a state in which a retainer and a shift lever are assembled.

3 is a cross-sectional view taken along the line III-III in FIG.

4 is a cross-sectional view taken along the line IV-IV of FIG.

5 is a cross-sectional view taken along line VV of FIG.

FIG. 6 is a plan view of a spring pressing ring 2.

FIG. 7 is a cross-sectional view of essential parts showing a state in which a spring holding ring and a biasing spring are assembled to a retainer.

FIG. 8 is a plan view of the ball seat.

FIG. 9 is a side view of the ball seat.

FIG. 10 is a cross-sectional view showing a state before assembling a retainer and a shift lever according to a conventional technique.

FIG. 11 is a cross-sectional view showing a state in which a retainer and a shift lever are assembled according to a conventional technique.

[Explanation of symbols]

In the figure, 1 is a retainer, 10 is an assembling hole, 15 is a spring engaging portion, 15a is an engaging groove, 19 is an assembling bolt, 2 is a spring retaining ring, 20 is a protruding portion, 22 is a rotation preventing portion, 4 Is an urging spring, 5 is a shift lever, 51 is a ball portion, and 53 is a ball seat.

Claims (5)

[Claims] 1. A retainer provided on a vehicle side having an assembling hole, and a lever having a ball portion fitted in the assembling hole of the retainer and pivotally supported so as to be swingable. A shift lever that can be set to the shift position of the select position with rocking and can be set to the reverse position of the select position with a pressing operation, and the shift lever is biased, and the shift lever is selected with the bias. And a biasing spring that elastically contracts while accumulating spring force in accordance with the pushing operation of the shift lever so that the shift lever can be set to the reverse position of the select position. In a shift lever structure of a manual transmission for a vehicle having the spring engagement portion provided in the retainer, and a spring engagement member of the retainer. A spring pressing ring that is engaged with and held by the joint portion and abuts on the biasing spring that stores spring force to prevent the biasing spring that stores spring force from protruding. A shift lever structure of a manual transmission for a vehicle, which is characterized by: 2. The shift lever according to claim 1, wherein the shift lever has a ball seat fitted and assembled in an assembling hole of the retainer, and the ball portion of the shift lever has a ball seat of the retainer via the ball seat. A shift lever structure for a manual transmission for a vehicle, wherein the shift lever structure is pivotably supported in an assembly hole. 3. The spring pressing ring according to claim 1 or 2, wherein the spring pressing ring has a C-shape or an O-shape in a plane, and projects in a radially inward direction to come into contact with the biasing spring and to exert a spring force. A shift lever structure for a manual transmission for a vehicle, comprising a plurality of projecting portions for preventing the accumulated biasing springs from projecting. 4. The shift of a manual transmission for a vehicle according to claim 1, wherein the spring holding ring has a detent portion for detenting the spring holding ring in the circumferential direction. Lever structure. 5. A manual transmission for a vehicle according to claim 1, wherein the ball seat of the shift lever has a concave portion which is fitted to face the protruding portion of the spring pressing ring. Shift lever structure.