JP4882127B2 - Position adjustment type steering device - Google Patents

Description

  The present invention relates to a position-adjustable steering apparatus capable of tilt adjustment and telescopic adjustment of the position of a steering wheel.

Tilt adjustment function to change the height of the steering wheel according to the driver's physique and driving posture, and so-called telescopic adjustment that adjusts the position of the steering wheel along the axial direction of the steering shaft There is provided a position-adjustable steering apparatus with added functions.
In this type of position-adjustable steering device, there is a case where tooth engagement is used in order to improve the force for maintaining the tilt lock and telescopic lock states (see, for example, Patent Document 1 and Patent Document 2).
JP-A-8-99640 JP 2004-1758 A

In tilt adjustment, the steering column is moved in an arc around the tilt center axis. Therefore, it is necessary to arrange the meshed teeth in an arc shape, which is actually difficult to manufacture.
In addition, since the turning radius of the arc motion is different for each specification of the steering device, there is no versatility of parts having teeth. As a result, the manufacturing cost increases.

  The present invention has been made in view of the above problems, and an object thereof is to provide a position-adjustable steering apparatus that is easy to manufacture and highly versatile.

To achieve the above object, the present invention provides an upper clamp fixed to a vehicle body, a distance bracket fixed to a steering column and disposed inside the upper clamp, a long slot for tilt formed in the upper clamp, and a distance. A support shaft inserted into the telescopic elongated hole formed in the bracket, a tilt lock tooth portion formed at the edge of the tilt elongated hole, a telescopic lock tooth portion formed at the edge of the telescopic elongated hole, and a tilt A lock tooth portion that can be engaged with the lock tooth portion, a first movable member that is fitted to the support shaft so as to be movable in the axial direction, a lock tooth portion that can be engaged with the telescopic lock tooth portion, and a shaft on the support shaft The second movable member, the first movable member, and the second movable member that are fitted so as to be movable in the direction are urged away from the tilt lock tooth portion and the telescopic lock tooth portion, respectively. An urging member for unlocking, an operation member that can be rotated around the axis of the support shaft, and the first movable member and the second movable member against the urging member as the operation member rotates. A cam mechanism for engaging the member with the tilt lock tooth portion and the telescopic lock tooth portion, and an upper clamp, respectively, restrict the rotation of the first movable member about the axis of the support shaft, and A first guide restricting portion that guides the movement of the first movable member in the longitudinal direction and a distance bracket that restricts the rotation of the second movable member about the axis of the support shaft and the length of the telescopic elongated hole. A second guide restricting portion for guiding the movement of the second movable member in the direction, and the first movable member and the second movable member are fitted so as to be relatively rotatable about the axis of the support shaft . The first movable member and the second movable member are fitted together Include been mating surfaces, each mating face is characterized in that it comprises at least a portion of cylindrical surface centered on the axis of the support shaft (claim 1).

  In the case of adopting a layout in which the long holes for tilt extend in a straight line, when the tilt adjustment is performed, the intersection angle between the tilt direction and the telescopic direction changes with the tilt adjustment. In the present invention, since the first movable member and the second movable member can be rotated relative to each other while the tilt lock and the telescopic lock are released, there is a problem in the meshing of the teeth even if the crossing angle changes. It does not occur.

As a result, it is practically possible to adopt a layout in which the elongated slots for tilting extend in a straight line as much as possible (claim 3 ). Further, it is not necessary to arrange the tilt lock tooth portion and the lock tooth portion of the first movable member meshing with the tilt lock tooth portion, so that the versatility of the upper clamp and the first movable member can be enhanced.
In addition, since the first movable member and the second movable member can be relatively rotated while the tilt lock and the telescopic lock are released, the tilt can be performed while guiding each movable member in the respective adjustment direction by the corresponding guide restricting portion. There is also an advantage that adjustment and telescopic adjustment can be performed.
Further, as in claim 2, each of the first movable member and the second movable member has a bottomed tubular portion, and on the end surface of the open end of the tubular portion of the first movable member, A pair of lock teeth facing each other in the radial direction of the cylindrical portion is provided as a lock tooth portion that can mesh with the tilt lock teeth, and the telescopic end face of the cylindrical portion of the second movable member is provided on the end face. A pair of lock teeth facing each other in the radial direction of the cylindrical portion is provided as a lock tooth that can mesh with the lock teeth, and the cylindrical portion is provided on an end surface of the cylindrical portion of the first movable member. A pair of fitting walls facing each other in the radial direction are extended, and the fitting surfaces of the first movable member and the second movable member fitted together are opposed to the pair of fitting walls of the first movable member. A pair of first mating surfaces respectively formed on the surface and an outer periphery of the cylindrical portion of the second movable member. It is, may include a pair of second fitting surface fitted to the first fitting surface of the pair.

Also, the second movable member with respect to the axial direction of the support shaft is interposed between the biasing member and the first movable member with unlocking, the urging member for unlocking, the via the second movable member One movable member may be biased (claim 4). In this case, it is only necessary to provide a single unlocking urging member, so that the cost can be reduced and the space can be reduced.

In some cases, the first guide restricting portion is provided on the inner surface of the long slot for tilting. In this case, the structure can be simplified.
Further, a groove member press-fitted into a press-fitting hole formed in the distance bracket is provided, and a telescopic long hole and a telescopic lock tooth portion are provided on the web of the groove member, and a pair of flanges of the groove member There is a case where the second guide restricting portion is provided on the inner surface of the first (claim 6). In this case, various types of distance brackets can be manufactured at low cost by setting various specifications of the groove-shaped member.

  In the present invention, the cam mechanism may include a combination of a screw and a nut.

Preferred embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a longitudinal sectional view of a main part of a position-adjustable steering apparatus according to an embodiment of the present invention. Referring to FIG. 1, the position-adjustable steering device 1 (hereinafter also simply referred to as a steering device 1) supports a steering shaft 2 on which a steering wheel (not shown) is fixed at the upper end in the axial direction so as to be rotatable. A steering column 3 is provided.

  The steering column 3 includes an outer upper jacket 4 and an inner lower jacket 5 which are fitted together so as to be slidable relative to each other in the axial direction. These jackets 4 and 5 are constituted by tubes that rotatably support the steering shaft 2. The lower end portion in the axial direction of the lower jacket 5 is supported so as to be rotatable about a tilt center axis (not shown), whereby the entire steering column 3 is rotatable about the tilt center axis.

  With reference to FIG. 1 and FIG. 2 which is an exploded perspective view, the steering device 1 is fixed to a downwardly-opening grooved upper clamp 7 fixed to the vehicle body 6, and an upper jacket 4 of the steering column 3. A distance bracket 8 disposed inside the upper clamp 7, a support shaft 9 through which the upper clamp 7 and the distance bracket 8 are inserted, and an operation lever as an operation member that is rotated around an axis 9 a of the support shaft 9. 10 and a cam mechanism 11 for achieving tilt lock and telescopic lock by clamping the distance bracket 8 by the upper clamp 7 as the operation lever 10 rotates.

The upper clamp 7 has a pair of side plates 12 and 13 that face each other, and an upper plate 14 that connects the upper portions of the side plates 12 and 13 to each other. The upper portion of the upper clamp 7 is reinforced by a groove-shaped reinforcing plate 15, and the upper clamp 7 is fixed to the vehicle body 6 by a mounting bracket 16 together with the reinforcing plate 15.
One side plate 12 of the upper clamp 7 is formed with a vertically long linear press-fitting hole 17, and a tilt long hole forming body 18 is fixed to the press-fitting hole 17 by press-fitting. The elongated tilt hole forming body 18 is formed with a vertically elongated elongated tilt hole 19 that extends linearly, and a tilt lock tooth portion 20 is formed at the edge of the tilt elongated hole 19. . The tilt lock tooth portion 20 is formed in a sawtooth shape perpendicular to the longitudinal direction of the tilt long hole 19. As the tilt lock tooth portion 20, irregularities that repeat periodically may be used instead of the sawtooth. The other side plate 13 of the upper clamp 7 is formed with a tilting long hole 21 extending in a vertically long linear shape.

The cam mechanism 11 includes an annular first cam member 22 and an annular second cam member 23 fitted on the outer periphery of the support shaft 9. The first and second cam members 22 and 23 are formed with cam protrusions on opposing surfaces, and the first and second cam members 22 and 23 are shifted in the circumferential direction by these cam protrusions. Press against each other in the axial direction.
The first cam member 22 is coupled to the operation lever 10 so as to be integrally rotatable. Specifically, a part of the first cam member 22 is press-fitted and fixed in a square press-fitting hole 24 formed in the base end portion of the operation lever 10. A stopper plate 26 is fixed near the base end of the operation lever 10 by screws 25. The stopper plate 26 has a rectangular engagement hole 28 that is engaged with the peripheral surface of a rectangular head 27 formed at one end of the support shaft 9 so as not to be relatively rotatable.

  The second cam member 23 has a main body portion 29 along the outer surface of the other side plate 13 of the upper clamp 7, and a rectangular convex portion 30 that protrudes from the main body portion 29 and fits into the elongated tilt hole 21. is doing. The tilt long hole 21 guides the second cam member 23 movably along the longitudinal direction Y <b> 1 of the tilt long hole 21 via the convex portion 30, while the second cam member 23 rotates. Is regulated.

As a result, when the operation lever 10 is turned, the first and second cam members 22 and 23 are turned relative to adjust the distance between the operation lever 10 and the other side plate 13 of the upper clamp 7.
The distance bracket 8 has a groove shape opened upward, and has a pair of side plates 31 and 32. One side plate 31 is formed with a press-fitting hole 33, and a groove-shaped member 34 as a telescopic long hole forming body is attached to the press-fitting hole 33. Specifically, the channel member 34 has a web 35 and a pair of flanges 36, and a convex portion 37 formed on the back surface of the web 35 is press-fitted into the press-fitting hole 33.

  The web 35 is formed with a telescopic elongated hole 38 that extends straight through the convex portion 37. Further, a telescopic lock tooth portion 39 is formed on the edge of the telescopic elongated hole 38 on the surface of the web 35. The telescopic lock tooth portion 39 is formed in a sawtooth shape orthogonal to the longitudinal direction of the long telescopic hole 38. As the telescopic lock teeth 39, irregularities that are repeated periodically may be used instead of saw teeth.

The other side plate 32 of the distance bracket 8 is formed with a telescopic elongated hole 40 that extends in a straight line into which the convex portion 30 of the second cam member 23 is fitted.
The distance bracket 8 includes a connecting plate 41 that connects the lower ends of the pair of side plates 31 and 32, and a collar 42 is disposed in parallel with the connecting plate 41. The collar 42 has the support shaft 9 inserted between the pair of side plates 31 and 32. As shown in FIG. 1, the collar 42 has a convex portion 43 that penetrates the upper jacket 4 and contacts the peripheral surface of the inner jacket 5 so as to be slidable in the axial direction.

Further, the connecting plate 41 of the distance bracket 8 has an undulating portion 44 that faces the collar 42, and the undulating portion 44 functions to improve the rigidity of the distance bracket 8.
As shown in FIG. 2, the support shaft 9 passes through the telescopic elongated hole 38 of the channel member 34, and a spring seat 45 made of a washer, an urging member 46 for unlocking made of a compression coil spring, The second movable member 47, the first movable member 48, the thrust bearing 49, and the annular washer 50 are sequentially inserted, and the tip end of the support shaft 9 is screwed into the nut 51 and fixed. The first movable member 48 and the second movable member 47 have a shape forming an annular shape or a part of the annular shape, and are fitted to be movable in the axial direction of the support shaft 9.

Referring to FIG. 3 showing a state where the tilt lock and telescopic lock are achieved, and FIG. 4 showing the state where the lock is released, the spring seat 45 is a telescopic slot 38 of the web 35 of the channel member 34. Received by the edge of. The web 35 receives a spring seat 45 at a flat portion closer to the telescopic elongated hole 38 than the telescopic lock tooth portion 39.
2, 3, and 4, the second movable member 47 includes a bottomed cylindrical portion 52 that accommodates the biasing member 46, and a flange 53 that extends to the open end of the cylindrical portion 52. And. The end face of the flange 53 is formed with a lock tooth portion 54 that meshes with the telescopic lock tooth portion 39 when telescopically locked.

The second movable member 47 is inserted through the elongated slot 19 with play, and the flange 53 of the second movable member 47 is fitted inside the channel member 34 in this state. Specifically, the flange 53 of the second movable member 47 has a pair of upper and lower guided portions 55, and the pair of guided portions 55 are along the inner surfaces of the pair of flanges 36 of the channel member 34. ing.
That is, the second guide restricting portion 56 is provided on the inner surfaces of the pair of flanges 36 of the channel member 34. The second guide restricting portion 56 restricts the rotation of the second movable member 47 around the axis 9a of the support shaft 9 and performs telescopic adjustment in the longitudinal direction X1 (telescopic direction) of the telescopic long hole 38. The movement of the second movable member 47 is guided.

The first movable member 48 includes a cylindrical portion 57 that is rotatably fitted to the outer periphery of the cylindrical portion 52 of the second movable member 47, and a pair of extending portions that extend from the bottom of the cylindrical portion 57 to both sides. Part 58. The inner peripheral surface of the cylindrical portion 57 is formed in a cylindrical surface that matches the outer periphery of the cylindrical portion 52 of the second movable member 47.
The outer periphery of the cylindrical portion 52 of the second movable member 47 includes a fitting surface formed by at least a part of a cylindrical surface centering on the axis 9 a of the support shaft 9, and the cylindrical portion 57 of the first movable member 48 has a fitting surface. The inner periphery includes a fitting surface constituted by at least a part of a cylindrical surface centering on the axis 9a of the support shaft 9, and the both fitting surfaces are fitted to each other.

The tubular portion 57 of the first movable member 48 is fitted inside the tilt slot 19. Specifically, the outer peripheral surface of the cylindrical portion 57 of the first movable member 48 has a guided portion 59 composed of a pair of opposed flat surfaces, and the pair of guided portions 59 are tilt lengths. Along the inner surface of the hole 19.
That is, the first guide restricting portion 60 is provided on the inner surface of the tilting long hole 19. The first guide restricting portion 60 restricts the rotation of the first movable member 48 around the axis 9a of the support shaft 9 and adjusts the tilt in the longitudinal direction Y1 (tilt direction) of the long slot 19 for tilt. The movement of the first movable member 48 is guided. Further, the pair of extending portions 58 of the first movable member 48 is formed with a lock tooth portion 61 (see FIG. 5) that meshes with the tilt lock tooth portion 20 when tilt-locked.

Referring to FIGS. 3 and 4, the unlocking biasing member 46 is interposed between the spring seat 45 and the bottom of the cylindrical portion 52 of the second movable member 47. The urging member 46 urges the second movable member 47 in a direction in which the telescopic lock is released, and urges the first movable member 48 in a direction in which the tilt lock is released through the second movable member 47. ing.
When the operation lever 10 is turned in the locking direction, the second cam member 23 presses the side plate 13 of the upper clamp 7, and the nut 51 opposes the biasing member 46 to move the washer 50 and the thrust bearing 49. Thus, the first movable member 48 is pressed against the tilt lock tooth portion 20 of the side plate 12 of the upper clamp 7, and as a result, as shown in FIG. 3, tilt lock is achieved. Further, the lock tooth portion 54 of the second movable member 47 pressed by the first movable member 48 is engaged with the telescopic lock tooth portion 39, and telescopic lock is achieved.

  On the other hand, when the operation lever 10 is turned in the unlocking direction, the clamp by the upper clamp 7 is released. As a result, the urging member 46 causes the second movable member 47 and the first movable member to move as shown in FIG. 48 are collectively moved in the unlocking direction, and the engagement of the tilt lock tooth portion 20 and the telescopic lock tooth portion 39 with the corresponding lock teeth 61 and 54 is released, whereby the tilt lock and the telescopic lock are released. Is done.

  According to the present embodiment described above, there are the following advantages. That is, in the case of adopting a layout in which the tilt long holes 19 and 21 extend in a straight line as in the present embodiment, when the tilt adjustment is performed, the tilt direction (the tilt long hole 19 described above) is accompanied by the tilt adjustment. , 21 corresponding to the longitudinal direction Y1) and the telescopic direction (corresponding to the longitudinal direction X1 of the telescopic long holes 38, 40) change.

In the present embodiment, since the first movable member 48 and the second movable member 47 can be relatively rotated in a state where the tilt lock and the telescopic lock are released, the tooth portions 20, 61; 39, 54 is not disturbed.
Accordingly, it is possible to substantially adopt a layout in which the long slots for tilting 19 and 21 extend linearly. Since the long tilt holes 19 and 21 extend linearly, it is not necessary to arrange the tilt lock tooth portion 20 and the lock tooth portion 61 of the first movable member 48 meshing with the tilt lock tooth portion 20 in an arc shape. And the versatility of the 1st movable member 48 can be improved.

Further, since the first movable member 48 and the second movable member 47 can be relatively rotated in a state where the tilt lock and the telescopic lock are released, the respective movable members 48 and 47 are respectively moved by the corresponding guide restricting portions 60 and 56. Tilt adjustment and telescopic adjustment can be performed while guiding in the adjustment direction.
Further, with respect to the direction of the axis 9a of the support shaft 9, the second movable member 47 is interposed between the urging member 46 for unlocking and the first movable member 48, and the urging member 46 is second movable. Since the first movable member 48 is biased in the unlocking direction via the member 47, the unlocking biasing member 46 need only be provided. Therefore, it is inexpensive and can be downsized through space saving.

  Further, the lock tooth portions 20 and 61 for tilt lock and the lock tooth portions 39 and 54 for telescopic lock are arranged only on one side (side plate 12 side) of the upper clamp 7 and the tilt and telescopic lock directions are the same. Since the lock release directions are the same direction, the lock stroke and the lock release stroke can be reduced. Further, the urging member 46, the first movable member 48, the second movable member 47, and the like, which are parts related to the tilt lock and the telescopic lock, can be assembled from the same direction, and the assemblability can be improved.

In addition, since the first guide restricting portion 60 is provided on the inner surface of the tilt slot 19, the structure can be simplified.
Further, since the groove-shaped member 34 having the telescopic long hole 38, the telescopic lock tooth portion 39 and the second guide restricting portion 56 is press-fitted and fixed in the press-fitting hole 33 of the distance bracket 8, the specifications of the groove-shaped member 34 are provided. There are advantages that various types of distance brackets 8 can be manufactured at low cost.

Similarly, the tilt long hole forming body 18 having the tilt long hole 19 and the tilt lock tooth portion 20 is press-fitted and fixed to the press-fitting hole 17 of the upper clamp 7, so that a wide variety of upper clamps 7 can be manufactured at low cost. There is an advantage that you can.
6 to 10 show modified examples of the first movable member and the second movable member as another embodiment of the present invention. Referring to FIGS. 6 to 8, the second movable member 47A has a bottomed cylindrical portion 52A, and a pair of telescopic locks for telescopic locking is provided on the end surface 62 of the open end of the cylindrical portion 52A. A lock tooth portion 54 is formed. Further, a support shaft insertion hole 64 is formed through the bottom wall 63 of the cylindrical portion 52A, and one end of the urging member 46 for unlocking is received by the annular inner surface 63a of the bottom wall 63. It is like that.

The outer periphery of the cylindrical portion 52A includes a pair of opposing flat surfaces 65 that form a two-surface width therebetween and a pair of opposing fitting surfaces 66. Each fitting surface 66 is configured by a circular arc surface, that is, a part of a cylindrical surface.
Further, a part of the pair of arcuate surfaces 66 on the outer periphery of the cylindrical portion 52A is cut out at a portion from the open end of the cylindrical portion 52A to a predetermined distance, whereby the pair of the channel members 34 is formed. A pair of guided portions 55 guided by the inner surface of the flange 36 is provided.

On the other hand, with reference to FIG. 9, the first movable member 48 </ b> A has a bottomed cylindrical portion 67, and a pair of lock teeth for tilt locking is provided on the open end surface 68 of the cylindrical portion 67. A portion 61 is formed. A support shaft insertion hole 70 is formed through the bottom wall 69 of the cylindrical portion 67.
In addition, a pair of fitting walls 71 that are opposed to each other in the radial direction of the tubular portion 67 are extended from the open end face 68 of the tubular portion 67. Each fitting wall 71 has an arc shape and includes a fitting surface 72. Each fitting surface 72 is configured by a circular arc surface, that is, a part of a cylindrical surface.

As shown in FIG. 10, the pair of fitting surfaces 72 of the first movable member 48A are fitted to the pair of fitting surfaces 66 of the second movable member 47A, respectively. Thereby, the first movable member 48A and the second movable member 47A are relatively rotatable.
In the present invention, the axial force of the support shaft 9 can be prevented from acting between the lock tooth portion 54 and the telescopic lock tooth portion 39 of the second movable members 47 and 47A. Even in a state where the axial force of the support shaft 9 does not act, if both the lock tooth portions 54 and 39 are engaged, the telescopic lock can be achieved.

  In the embodiment of FIG. 3, the lock tooth portion 54 of the second movable member 47 is provided between the bottom of the cylindrical portion 57 of the first movable member 48 and the bottom of the cylindrical portion 52 of the second movable member 47. An urging member made of, for example, a disc spring for elastically urging the telescopic lock tooth portion 39 may be interposed. In the embodiment shown in FIGS. 6 to 10, the second movable member is provided between the bottom wall 69 of the tubular portion 67 of the first movable member 48A and the bottom wall 63 of the tubular portion 52A of the second movable member 47A. A biasing member made of, for example, a disc spring may be interposed for elastically biasing the lock tooth portion 54 of the member 47A to the telescopic lock tooth portion 39. In these cases, even if the crossing of the dimensions of each part varies somewhat, the telescopic lock is reliably achieved by securely engaging the lock tooth portion 54 with the telescopic lock tooth portion 39 in a state where the tilt lock is achieved. be able to.

  Further, as the cam mechanism 11, a combination of a screw and a nut may be used. In addition, various modifications can be made within the scope of the claims.

It is sectional drawing of the principal part of the position adjustment type steering apparatus of one embodiment of this invention. It is a disassembled perspective view of the principal part of a position adjustment type steering device. It is sectional drawing of the principal part of a position-adjustment-type steering apparatus, and has shown the state in which tilt lock and telescopic lock were achieved. It is sectional drawing of the principal part of a position adjustment type steering apparatus, and has shown the state by which the tilt lock and the telescopic lock were cancelled | released. It is a rear view of a 1st movable member. It is a rear view of the 2nd movable member of another embodiment of the present invention. It is a front view of the 2nd movable member of FIG. It is sectional drawing which follows the VIII-VIII line of FIG. It is a rear view of the 1st movable member combined with the 2nd movable member of FIG. It is a schematic sectional drawing which shows the fitting state of the 2nd movable member of FIG. 6, and the 1st movable member of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Position adjustment type steering device, 3 ... Steering column, 6 ... Vehicle body, 7 ... Upper clamp, 8 ... Distance bracket, 9 ... Support shaft, 9a ... Axis, 10 ... Operation lever (operation member), 11 ... Cam mechanism, 17 ... Press-fit hole, 19 ... Long hole for tilt, 20 ... Tilt lock tooth part, 34 ... Groove shaped member, 35 ... Web, 36 ... Flange, 38 ... Long hole for telescopic, 39 ... Telescopic lock tooth part, 46 ... Lock Biasing member for release, 47, 47A ... second movable member, 48, 48A ... first movable member, 54 ... lock tooth portion, 56 ... second guide restricting portion, 60 ... first guide restricting portion, 61 ... lock Tooth part, 66 ... mating surface, 72 ... mating surface

Claims (6)

An upper clamp fixed to the vehicle body,
A distance bracket fixed to the steering column and placed inside the upper clamp;
A support shaft inserted through a long slot for tilt formed in the upper clamp and a long hole for telescopic formed in the distance bracket;
A tilt lock tooth portion formed on the edge of the long hole for tilt;
Telescopic lock teeth formed on the edge of the telescopic slot,
A first movable member having a lock tooth portion engageable with the tilt lock tooth portion and fitted to the support shaft so as to be movable in the axial direction;
A second movable member having a lock tooth portion engageable with the telescopic lock tooth portion and fitted to the support shaft so as to be movable in the axial direction;
A biasing member for unlocking that biases the first movable member and the second movable member in directions away from the tilt lock tooth portion and the telescopic lock tooth portion, respectively;
An operation member capable of rotating around the axis of the support shaft;
A cam mechanism that meshes the first movable member and the second movable member with the tilt lock tooth portion and the telescopic lock tooth portion, respectively, against the biasing member as the operation member rotates.
A first guide restricting portion that is provided in the upper clamp, restricts the rotation of the first movable member around the axis of the support shaft, and guides the movement of the first movable member in the longitudinal direction of the long slot for tilt;
A second guide restricting portion that is provided on the distance bracket, restricts the rotation of the second movable member around the axis of the support shaft, and guides the movement of the second movable member in the longitudinal direction of the telescopic elongated hole; ,
The first movable member and the second movable member are fitted so as to be relatively rotatable about the axis of the support shaft ,
The first movable member and the second movable member include fitting surfaces fitted to each other, and each fitting surface includes at least a part of a cylindrical surface centering on the axis of the support shaft. Steering device. In Claim 1, each of the 1st movable member and the 2nd movable member has a bottomed cylindrical part,
A pair of lock teeth facing the radial direction of the cylindrical portion is provided on the end face of the open end of the cylindrical portion of the first movable member as a lock tooth that can mesh with the tilt lock tooth,
On the end face of the open end of the cylindrical portion of the second movable member, as a lock tooth portion that can mesh with the telescopic lock teeth, a pair of lock tooth portions that are opposed in the radial direction of the cylindrical portion are provided,
A pair of fitting walls facing the radial direction of the tubular portion are extended on the end face of the open end of the tubular portion of the first movable member,
The fitting surfaces of the first movable member and the second movable member fitted to each other include a pair of first fitting surfaces respectively formed on opposing surfaces of a pair of fitting walls of the first movable member, A position-adjustable steering apparatus including a pair of second fitting surfaces provided on the outer periphery of the cylindrical portion of the second movable member and respectively fitted to the pair of first fitting surfaces. According to claim 1 or 2, the position adjustable steering device, characterized in that the tilt long holes extend in a straight line. In any 1 paragraph of Claims 1-3, the 2nd movable member is interposed between the energizing member for lock release and the 1st movable member about the direction of an axis of the above-mentioned support axis,
A position-adjustable steering apparatus, wherein the unlocking biasing member biases the first movable member via the second movable member.   5. The position-adjustable steering apparatus according to claim 1, wherein the first guide restricting portion is provided on an inner surface of the long slot for tilting. In any 1 item | term of Claim 1-5, The groove-shaped member press-fitted in the press-fit hole formed in the said distance bracket is provided,
The web of the channel member is provided with telescopic elongated holes and telescopic lock teeth,
The position-adjustable steering apparatus, wherein the second guide restricting portion is provided on the inner surfaces of the pair of flanges of the channel member.

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