JP2003097579A - Rotating shaft device for manual transmission of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rotating shaft device for a vehicle manual transmission capable of contributing to reduce the number of components more and to reduce cost. SOLUTION: This rotating shaft device comprises a first rotating shaft, a first bearing, a second rotating shaft, a second bearing, and a displacement regulating member 4 fixed on a base part in a state of engaging with the second bearing. The displacement regulating member 4 is provided with an arm part 42 extending to the diametrical outside at a part in a circumference direction of the displacement regulating member 4 and an undercut surface 47 controlling interference of the displacement regulating member 4 and the first bearing to allow the displacement regulating member 4 to rotate around a center axis of the second rotating shaft. The displacement regulating member 4 rotates around the center axis of the second rotating shaft during assembly to engage with both of the first bearing and the second bearing, and control displacements of both members in thrust direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary shaft device for a vehicle manual transmission mounted on a vehicle.

[0002]

Conventionally, a rotary shaft device for a manual transmission of a vehicle has been
As shown in FIG. 5, an intermediate plate 1 as a base portion having a first shaft hole 11 and a second shaft hole 12, and a counter shaft which is inserted into the first shaft hole 11 of the intermediate plate 1 The first rotating shaft 2, the first bearing 3 arranged between the inner peripheral surface of the first shaft hole 11 of the intermediate plate 1 and the outer peripheral surface of the first rotating shaft 2, and the first bearing 3 of the intermediate plate 1. A second rotary shaft 5 that is an output shaft that is inserted through the biaxial hole 12 along the first rotary shaft 2 substantially in parallel, and an inner peripheral surface of the second shaft hole 12 of the intermediate plate 1 and the second rotary shaft 5. It has a second bearing 6 arranged between the outer peripheral surface of the rotating shaft 5 and a bearing retainer 4X fixed to the intermediate plate 1 by mounting bolts 48.

The intermediate plate 1 has a plurality of bolt mounting holes 14, and the bearing retainer 4X has a plurality of through holes 41 that can face the bolt mounting holes 14.
Have. As can be understood from FIG. 5, the through hole 41 of the bearing retainer 4X and the bolt mounting hole 14 of the intermediate plate 1 are opposed to each other, and the mounting bolt 48 is inserted through the through hole 41 and the bolt mounting hole 14 to mount the bolt. The male screw portion 48a of the bolt 48 is screwed into the female screw portion 14a of the bolt mounting hole 14, thereby fixing the bearing retainer 4X to the intermediate plate 1 and receiving the thrust load of the second bearing 6.

In this case, as shown in FIG. 5, a ring-shaped spacer 9 is formed on the outer peripheral surface of the first outer ring 31 of the first bearing 3.
0 is installed coaxially and the first bearing 3
Snap ring 9 in ring groove 31s on the outer peripheral surface of outer ring 31
2 are coaxially fitted and engaged. With such a structure, the bearing retainer 4X holds the first outer ring 31 of the first bearing 3, thereby receiving the thrust load of the outer ring 31 of the first bearing 3 and suppressing the displacement of the outer ring 31 in the thrust direction. .

[0005]

[Problems to be Solved by the Invention] In the industrial world, reduction of the number of parts is required more and more strictly in order to further reduce the cost. According to the above structure, the bearing retainer 4X fixed to the intermediate plate 1
Holds the first outer ring 31 of the first bearing 3, whereby displacement of the first outer ring 31 of the first bearing 3 in the thrust direction can be suppressed. However, regarding the number of parts,
In addition to the bearing retainer 4X for holding the second bearing 6, a spacer 90 for holding the first bearing 3 is provided.
And parts such as the snap ring 92 are required, and there is a limit to cost reduction.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a rotary shaft device for a vehicle manual transmission, which can further contribute to reduction of the number of parts and cost.

[0007]

A rotary shaft device for a vehicle manual transmission according to the present invention has a base portion having a first shaft hole and a second shaft hole, and a first shaft hole inserted in the first shaft hole of the base portion. A rotating shaft; a first bearing arranged between an inner peripheral surface of the first shaft hole of the base and an outer peripheral surface of the first rotating shaft; and a first shaft of the second shaft hole of the base. A second rotating shaft inserted along
A second bearing arranged between an inner peripheral surface of the second shaft hole of the base and an outer peripheral surface of the second rotating shaft, and a disc shape fixed to the base while being engaged with the second bearing. The displacement regulating member is provided so as to be rotatable around the central axis of the second rotating shaft along an imaginary plane along a direction perpendicular to the axis of the second rotating shaft. and,
Around the central axis of the second rotating shaft by suppressing the interference between the arm portion extended in the radial direction at a part of the displacement restricting member in the circumferential direction and the displacement restricting member and the first bearing during turning. The displacement regulation member has a relief surface that allows the displacement regulation member to pivot, and the displacement regulation member facing the second bearing is pivoted around the center axis of the second rotation shaft to thereby regulate the displacement. The arm portion of the member is engaged with the first bearing, and the displacement restricting member is engaged with both the first bearing and the second bearing so as to suppress displacement in both thrust directions. It is what

According to the rotary shaft device for a vehicle manual transmission of the invention, the displacement regulating member facing the second bearing is swiveled around the center axis of the second rotary shaft when assembled.
Thereby, the arm portion of the displacement restricting member is engaged with the first bearing. As a result, the displacement restricting member engages with both the first bearing and the second bearing and suppresses displacement in both thrust directions. According to the rotary shaft device for a vehicle manual transmission of the present invention, the relief surface is formed on the displacement restricting member so as to be retracted so as not to interfere with the first bearing. By forming the relief surface on the displacement restricting member in this manner, when the displacement restricting member facing the second bearing is turned around the central axis of the second rotating shaft, the first bearing and the displacement restricting member are not required. Interference is suppressed. Therefore, the second engaging portion of the displacement restricting member can be favorably engaged with the first bearing. By utilizing the rotation of the displacement restricting member as described above, it is possible to reduce the space space required for engaging the second engaging portion of the displacement restricting member with the first engaging portion of the first bearing. It is advantageous.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION In the figure (FIG. 4 in the embodiment) projecting the form along the direction perpendicular to the first rotation axis,
When a virtual line that virtually connects the central axis of the bearing and the central axis of the second bearing is drawn, the relief surface is formed in a portion of the displacement regulating member that is farther from the arm than the virtual line. And is retracted so as not to interfere with the first bearing. By forming the relief surface in this way, unnecessary interference between the first bearing and the displacement regulating member is suppressed.
Therefore, the second engaging portion of the displacement restricting member can be favorably engaged with the first engaging portion of the first bearing.

The first bearing includes a first rolling element arranged on the outer peripheral side of the first rotating shaft, a ring-shaped outer ring covering the outer peripheral side of the first rolling element, and a concave portion provided on the outer peripheral surface of the outer ring. An embodiment having a first engaging portion made of at least one of the protrusions can be adopted. The displacement regulating member is the first
It is possible to adopt an embodiment having a second engaging portion that is formed of at least one of a convex and a concave that is engageable with the first engaging portion of the bearing. In this case, by engaging the second engaging portion of the displacement restricting member with the first engaging portion of the first bearing, it is possible to suppress the displacement of the first bearing in the thrust direction by receiving the thrust load of the first bearing. it can.

It is possible to adopt an embodiment in which the first engaging portion provided on the first bearing is integrally provided on the outer peripheral surface of the outer ring of the first bearing and is composed of at least one of concave and convex. Therefore, the first engaging portion may be formed in a concave shape, may be formed in a convex shape, or may be formed in both a concave shape and a convex shape. The second engaging portion provided on the displacement restricting member engages with the first engaging portion of the first bearing and engages with the first engaging portion so as to suppress displacement of the first bearing in the thrust direction. An embodiment having at least one of concave and convex that can be fitted can be adopted. Therefore, the second engaging portion may be formed in a concave shape, may be formed in a convex shape, or may be formed in both a concave shape and a convex shape.

It is possible to adopt an embodiment in which the base portion has a plurality of bolt mounting holes and the displacement regulating member has a plurality of through holes which can face the bolt mounting holes. First
By pivoting the displacement restricting member around the central axis of the second rotating shaft along an imaginary plane that extends in the direction orthogonal to the axis of the rotating shaft, the second engaging portion of the displacement restricting member is moved to the first bearing of the first bearing.
It is possible to adopt an embodiment in which the through hole of the displacement regulating member and the bolt mounting hole of the base face each other when engaged with the engaging portion, and the mounting bolt can be inserted into the through hole and the bolt mounting hole. .

It is possible to adopt an embodiment in which the first rotating shaft and the second rotating shaft are parallel to each other. The first rotating shaft can be a counter shaft and the second rotating shaft can be an output shaft. The figure which projects the form along the axis-perpendicular direction of the 1st rotating shaft (FIG. 4 in an Example).
In the first embodiment, the first engaging portion of the first bearing can adopt an embodiment in which the first engaging portion extends along the ring shape around the central axis of the first bearing. In this case, the second engagement portion of the displacement restricting member partially engages with the outer peripheral surface of the first engagement portion of the first bearing and has an embodiment having a curvature corresponding to the curvature of the first engagement portion. Can be adopted.
With this configuration, since the curvature of the second engaging portion of the displacement restricting member and the curvature of the first engaging portion of the first bearing correspond to each other,
The second engaging portion can be favorably engaged with the first engaging portion.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A first embodiment of the present invention will be specifically described below with reference to FIGS. This rotary shaft device for a vehicle manual transmission is mounted on a transmission device of a vehicle. As shown in FIG. 1, the rotary shaft device for a vehicle manual transmission includes a first shaft hole 11 and a second shaft hole 12.
An intermediate plate 1 as a base having
Between the first rotating shaft 2 inserted through the first shaft hole 11 of the intermediate plate 1 and the inner peripheral surface of the first shaft hole 11 of the intermediate plate 1 and the outer peripheral surface of the first rotating shaft 2. It is provided with a first bearing 3 arranged and a bearing retainer 4 as a displacement regulating member for suppressing displacement of the first bearing 3 in the thrust direction.

The intermediate plate 1 is held between a transmission case (not shown) functioning as a housing of a transmission of a vehicle and an extension housing. The intermediate plate 1 has a plurality of through holes 13a and 13b and a plurality of bolt mounting holes 14
Have. The first rotary shaft 2 functions as a counter shaft in the transmission, and has a relatively small diameter.
It has a portion 2a and a ring collar portion 2b (large-diameter shaft portion) that is adjacent to the first portion 2a and has an outer diameter larger than the outer diameter of the first portion 2a.

The first bearing 3 rotatably holds the first rotary shaft 2 and mainly receives a radial load. The first bearing 3 is arranged between the inner peripheral surface of the first shaft hole 11 and the outer peripheral surface of the first portion 2 a of the first rotating shaft 2. The first bearing 3 is arranged on the outer peripheral side of the first rotating shaft 2 so as to be in direct contact with the outer peripheral surface of the first portion 2a of the first rotating shaft 2, and has a plurality of cylindrical roller shapes having a rotation center N1. It has a first rolling element 30, a ring-shaped first outer ring 31 that covers the outer peripheral side of each first rolling element 30, and a first engaging portion 33 that is integrally provided on the outer peripheral surface of the first outer ring 31. . The inner diameter of the first outer ring 31 is larger than the outer diameter of the ring collar portion 2b of the first rotating shaft 2. The first engaging portion 33 of the first outer ring 31 of the first bearing 3 extends in a ring shape around the central axis of the first bearing 3.

As shown in FIG. 2, the first engaging portion 33 formed on the first outer ring 31 of the first bearing 3 has a concave shape provided on the outer peripheral surface of the first outer ring 31 of the first bearing 3. It is formed of a ring groove and is continuously formed so as to make one turn around the outer peripheral surface 31f of the first outer ring 31. This first engaging portion 3
3 is a first ring surface 331 and a second ring surface 332 facing each other, and a first ring surface 331 and a second ring surface 3
32 and a ring bottom surface 333 continuously provided. The first ring surface 331 and the second ring surface 332 extend along the direction perpendicular to the axis of the first bearing 3. The ring bottom surface 333 is extended along the axial direction of the first bearing 3. If necessary, the first ring surface 331 and the second ring surface 332 may be formed with guide tapered surfaces.

As shown in FIG. 1, the second rotary shaft 5 is inserted along the first rotary shaft 2 into the second shaft hole 12 of the intermediate plate 1. The second rotary shaft 5 is arranged above the first rotary shaft 2 in a state of being close to the first rotary shaft 2, and functions as an output shaft of a transmission of a vehicle. The first rotating shaft 2 and the second rotating shaft 5 are parallel to each other.

Between the inner peripheral surface of the second shaft hole 12 of the intermediate plate 1 and the outer peripheral surface of the second rotary shaft 5, there is a second
A bearing 6 is provided. The second bearing 6 holds the second rotating shaft 5 rotatably, and is arranged close to the first bearing 3 in a direction perpendicular to the first rotating shaft 2. The second bearing 6 includes a ring-shaped second inner ring 60 arranged on the outer peripheral side of the second rotating shaft 5 and a ring-shaped second outer ring 61 arranged on the outer peripheral side of the second rotating shaft 5.
And a plurality of spherical second rolling elements 62 interposed between the second outer ring 61 and the second inner ring 60. Second outer ring 61
In the ring-shaped groove 61p formed on the outer peripheral surface 61f of
A snap ring 64 is coaxially fitted and engaged. The second rotating shaft 5 is provided with a snap ring 66 for preventing the second inner ring 60 from coming off. In FIG. 1, reference numeral 100 is a gear stealing portion.

FIG. 3A shows a sectional view of the bearing retainer 4 (metal type, for example, cast iron type) as a displacement regulating member, and a view taken along the line III-III of FIG. 3B. Figure 3
(B) shows the top view of the bearing retainer 4 as a displacement control member. The bearing retainer 4 has a central hole 40a.
Bearing retainer main body 40 in the form of a disc ring having an intermediate plate, and the intermediate plate 1 formed on the bearing retainer main body 40 dispersedly along the circumferential direction thereof.
And a plurality of through holes 41 that can face the bolt mounting holes 14. An arm 42 that functions as a protrusion is provided on a part of the bearing retainer 4 in the circumferential direction so as to project radially outward. The arm portion 42 is the bearing retainer body 4
The 0 side is wide and the width becomes narrower toward the radially outer side. The second engaging portion 4 is provided on the arm portion 42.
6 is formed in an arc shape. The second engagement portion 46 is formed of a convex protrusion that is provided so as to protrude along the axis-perpendicular direction of the bearing retainer 4. As shown in FIG. 2, the second engagement portion 46 extends along a direction perpendicular to the axis of the bearing retainer 4 and is opposed to the first end surface 461 and the second end surface 46.
2 and a third end surface 463 that connects the first end surface 461 and the second end surface 462 in series. As shown in FIG. 3A, a first stage 4r and a second stage 4s are formed on the inner peripheral portion of the bearing retainer 4.

Now, the assembly of the bearing retainer 4 will be described. First, the bearing retainer 4 is applied to the shaft end surface 1e of the intermediate plate 1. At this time, the through hole 41 of the bearing retainer 4 and the bolt mounting hole 14 of the intermediate plate 1 do not face each other. Next, the bearing retainer 4 is attached to the second rotary shaft 5 along an imaginary plane along the direction orthogonal to the first rotary shaft 2 (that is, a direction perpendicular to the plane of FIG. 1 and a direction along the plane of FIG. 4). Around the second central axis P2 in the direction of arrow W1 (see FIG. 4). As a result, the second engaging portion 46 of the bearing retainer 4 is fitted and engaged with the first engaging portion 33 of the first outer ring 31 of the first bearing 3.

Thus, the first engaging portion 33 and the second engaging portion 4 are
6, the first end surface 461 of the second engaging portion 46 of the bearing retainer 4 is engaged with the first ring surface 331 of the first engaging portion 33 of the first outer ring 31. To face and engage. The second engaging portion 4 of the bearing retainer 4
The second end face 462 of the first outer ring 31 has a first engaging portion 33
To engage with the second ring surface 332. The third end surface 463 of the second engaging portion 46 of the bearing retainer 4 has the first
The outer ring 31 faces and engages with the ring bottom surface 333 of the first engaging portion 33.

If the first engaging portion 33 of the first bearing 3 and the second engaging portion 46 of the arm portion 42 of the bearing retainer 4 are fitted and engaged with each other as described above, the bearing retainer 4
The through hole 41 and the bolt mounting hole 14 of the intermediate plate 1 automatically face each other and face each other. Then, the mounting bolt 48 is attached to the through hole 41 and the bolt mounting hole 14.
And the male screw portion 48a of the mounting bolt 48 is screwed into the female screw portion 14a of the bolt mounting hole 14, whereby the bearing retainer 4 is fixed in a state of being in contact with the shaft end surface 1e of the intermediate plate 1. As described above, when the bearing retainer 4 is fixed with the mounting bolt 48 in contact with the shaft end surface 1e of the intermediate plate 1, the second engaging portion 46 of the bearing retainer 4 causes the first outer ring 31 of the first bearing 3 to move. Is engaged with and engaged with the first engaging portion 33. Therefore, the bearing retainer 4 can receive the thrust load of the first outer ring 31 of the first bearing 3 and suppress the displacement of the first outer ring 31 in the thrust direction.

According to this embodiment, the bearing retainer 4 includes the first bearing 3 and the second bearing 6.
Both of the first bearing 3 and the second bearing 6 are engaged with each other to suppress the displacement in the thrust direction of both of them. Therefore, parts such as the ring-shaped spacer 90 and the ring-shaped snap ring 92, which are required in the prior art to suppress the displacement of the first bearing 3 in the thrust direction, can be eliminated. Therefore, the number of parts can be reduced, which is advantageous for cost reduction. According to this embodiment, except for the bearing retainer 4, the structure around the second rotating shaft 5 is basically the same as the conventional technique.

According to the present embodiment, as described above, the second engaging portion 46 of the arm portion 42 of the bearing retainer 4 is connected to the first bearing 3 of the first bearing 3 by utilizing the rotation of the bearing retainer 4 in the arrow W1 direction. The outer ring 31 is fitted and engaged with the first engaging portion 33. If the bearing retainer 4 is swiveled around the second central axis P2 of the second rotary shaft 5 in this way, the second engaging portion 46 of the bearing retainer 4 is engaged with the first engaging portion of the first bearing 3. It is advantageous to minimize the space space required when engaging the part 33.

FIG. 4 projects the form of the first rotary shaft 2 and the second rotary shaft 5 along the direction perpendicular to the axis. As shown in FIG. 4, in a state after the bearing retainer 4 has swung, the second engaging portion 46, which is a protruding portion formed on the bearing retainer 4, has the first outer ring 3 of the first bearing 3.
The first engaging portion 33, which is the first ring groove, is fitted and partially engaged. Here, the arm 4 of the bearing retainer 4
The second second engaging portion 46 is curved in an arc shape and has a curvature corresponding to the curvature of the first engaging portion 33 of the arm portion 42 of the first bearing 3. That is, the arm 4 of the bearing retainer 4
2 of the second engaging portion 46 and the first bearing 3 of the first
The curvature of the first engaging portion 33 of the outer ring 31 corresponds. Therefore, the second engaging portion 46 of the arm portion 42 of the bearing retainer 4 can be adapted to the first engaging portion 33 of the first outer ring 31 of the first bearing 3 and can be favorably engaged with the first engaging portion 33. Engagement between the engaging portion 33 and the second engaging portion 46 becomes good. Also in this sense, it is advantageous to suppress the displacement of the first outer ring 31 of the first bearing 3 in the thrust direction.

As shown in FIG. 4, the bearing retainer 4
In the assembled state, when the virtual line M virtually connecting the central axis P1 of the first bearing 3 and the central axis P2 of the second bearing 6 is drawn, the bearing retainer 4
The arm portion 42 and the second engaging portion 46 are provided on one side of the virtual line M on one side. Further, a relief surface 47 is formed on the other side of the imaginary line M, that is, in a portion distant from the arm portion 42 and the second engagement portion 46. The escape surface 47 is a step portion 47 located near the imaginary line M.
The bearing retainer 4 is retracted inward in the radial direction via m.

Specifically, as shown in FIG. 3 (B), with respect to the outer diameter of the bearing retainer body 40, the outer diameter of the portion other than the relief surface 47 is RA, but the outer diameter of the relief surface 47 is The diameter is RB (RA> RB). A virtual circle that defines the center of the plurality of through holes 41 from the central axis P2 of the bearing retainer 4 is MA, and a virtual circle M
When the outer diameter of A is RC, RC>RA> RB. As shown in FIG. 3B, the relief surface 47 has no second engaging portion 46.

Since the relief surface 47 is formed on the bearing retainer 4 as described above, in the first outer ring 31 and the bearing retainer 4 of the first bearing 3, the first engaging portion 33 and the second engaging portion 33 of the arm portion 42 are formed. Engagement other than engagement with the engagement portion 46 is suppressed. That is, unnecessary interference between the first outer ring 31 of the first bearing 3 and the bearing retainer 4 is suppressed. Also in this sense, the second engaging portion 46 of the arm portion 42 of the bearing retainer 4 can be favorably engaged with the first engaging portion 33 of the first outer ring 31 of the first bearing 3. Therefore, it is advantageous to favorably suppress the displacement of the first outer ring 31 of the first bearing 3 in the thrust direction.

When the manual transmission is used, the first rotary shaft 2 which is the counter shaft rotates around the center axis P1 of the counter shaft in the direction of arrow R1 (see FIG. 4). Therefore, as can be understood from FIG. 4, when the first rotating shaft 2 rotates, the shaft portion 2w of the first rotating shaft 2 which is separated from the bearing retainer 4 rotates in the direction of the arrow R1a, so that the shaft portion 2W does not move. A moment acting in the direction of arrow R1a acts. The arrow R1a direction is a direction facing the arrow W1 direction. In this case, it is advantageous to favorably engage the second engaging portion 46 of the bearing retainer 4 with the first engaging portion 33 of the first outer ring 31 of the first bearing 3. Also in this sense, the second engaging portion 46 of the bearing retainer 4 can favorably deal with the rotation of the first rotating shaft 2.

(Others) The shape of the arm portion 42 is not limited to the above-mentioned embodiment, and in short, the convex or concave second
What has an engaging portion 46 may be used. In the above-described embodiment, the first bearing 3 includes the first rolling element 30 and the first outer ring 3
However, the type having an inner ring may also be used. The first rolling element 30 of the first bearing 3 has a cylindrical roller shape, but is not limited to this and may have a spherical shape. The material of the bearing retainer 4 is cast iron, but the material is not limited to this, and may be steel-based, aluminum alloy-based, copper alloy-based, titanium alloy-based, or other materials in some cases. Although the bearing retainer 4 is fixed to the intermediate plate 1 by the mounting bolts 48, the mounting bolts are not limited to the mounting bolts 48, and other mounting tools other than the mounting bolts may be used. The present invention is not limited to the embodiments described above and shown in the drawings, but can be implemented with appropriate modifications without departing from the scope of the invention.

[0032]

According to the rotary shaft device for a vehicle manual transmission according to the present invention, the displacement regulating member facing the second bearing is swung around the central axis of the second rotary shaft. Here, the displacement restricting member is formed with a relief surface that allows the displacement restricting member to turn around the central axis of the second rotation shaft. Therefore, when the displacement restricting member facing the second bearing is rotated around the central axis of the second rotating shaft, unnecessary interference between the first bearing and the displacement restricting member is suppressed.

Therefore, the second engaging portion of the displacement regulating member is set to the first
It can be satisfactorily engaged with the bearing. As a result, the displacement regulating member can be engaged with both the first bearing and the second bearing to suppress the displacement in the thrust direction of both.

According to the rotary shaft device for a vehicle manual transmission according to the present invention described above, the spacer 90 and the snap ring 92, which are required in the prior art, can be eliminated, and the number of parts can be reduced. This is advantageous for cost reduction.

[Brief description of drawings]

FIG. 1 is a sectional view according to an embodiment.

FIG. 2 is a first outer ring of the first bearing according to the first embodiment.
It is sectional drawing which shows the state which the engaging part and the 2nd engaging part of a bearing retainer fit and are engaging.

FIG. 3A is a sectional view of a bearing retainer,
(B) is a plan view of the bearing retainer.

FIG. 4 is a cross-sectional view showing a state before the second engaging portion of the bearing retainer is engaged with the first engaging portion of the first outer ring of the first bearing.

FIG. 5 is a sectional view according to a conventional technique.

[Explanation of symbols]

In the figure, 1 is an intermediate plate (base), 11
Is a first shaft hole, 12 is a second shaft hole, 2 is a first rotating shaft, 3 is a first bearing, 30 is a first rolling element, 31 is a first outer ring, 3
3 is a first engaging portion, 4 is a bearing retainer (displacement restricting member), 42 is an arm portion, 46 is a second engaging portion, 47 is a relief surface, 5 is a second rotating shaft, and 6 is a second bearing. .

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3J017 AA01 AA10 CA04 CA06 DA01                       DB01                 3J063 AA01 AB02 AC03 BB46 BB48                       CA01 CD06 CD09 CD42

Claims (2)

[Claims] 1. A base having a first shaft hole and a second shaft hole, a first rotating shaft inserted through the first shaft hole of the base, an inner peripheral surface of the first shaft hole of the base, and the first shaft. 1st bearing arrange | positioned between the outer peripheral surface of 1 rotating shaft, the 2nd rotating shaft inserted along the 1st rotating shaft in the 2nd shaft hole of the said base, and the 2nd shaft hole of the said base. A second bearing disposed between an inner peripheral surface of the second rotating shaft and an outer peripheral surface of the second rotating shaft, and a disc-shaped displacement restricting member fixed to the base in a state of being engaged with the second bearing. The displacement restricting member is provided so as to be rotatable about a central axis of the second rotating shaft along an imaginary plane along a direction perpendicular to the axis of the second rotating shaft, and the displacement restricting member. An arm portion that extends radially outward in a part of the circumferential direction, the displacement restricting member at the time of turning, and the first bearing. The displacement restricting member facing the second bearing, and a relief surface that allows the rotation of the displacement restricting member around the central axis of the second rotating shaft while suppressing interference with the displacement restricting member. By pivoting about the central axis of the second rotating shaft, the arm portion of the displacement regulating member is engaged with the first bearing, and the displacement regulating member is engaged with both the first bearing and the second bearing. A rotary shaft device for a manual transmission of a vehicle, characterized in that the displacement in both thrust directions is suppressed by combining them. 2. The center axis center of the first bearing and the center axis center of the second bearing are virtually shown in the figure projecting the form along the direction perpendicular to the axis of the first rotating shaft according to claim 1. When drawing a connected imaginary line, the relief surface does not interfere with the displacement restricting member and the first bearing in a portion of the displacement restricting member that is farther from the arm than the virtual line. A rotary shaft device for a vehicle manual transmission, which is formed to be retracted.