JP5119796B2 - Steering column device - Google Patents

Description

  The present invention relates to a steering column device that transmits a rotational force of a steering wheel to a steering device.

  The steering column device is an important safety and security component of the vehicle, and it is very important how to control the behavior at the time of the collision in order to ensure the safety of the passenger at the time of the collision. Normally, the steering column device itself is provided with an impact energy absorbing mechanism, and also plays an important role as a support member for an air bag accommodated in the steering wheel.

By the way, in the steering column device of the prior art, the jacket (column) has a two-part structure so that the telescopic position can be adjusted, etc., and the upper jacket that supports the steering shaft can be inserted into and removed from the lower jacket fixed to the vehicle body. (Patent Document 1).
JP 11-278283 A

  Here, in the steering column device disclosed in Patent Document 1, by driving the cam mechanism by rotating the tightening lever, the upper bracket assembled to the vehicle body is pressed against the distance bracket attached to the upper jacket, The upper jacket is fixed at an arbitrary position. Here, since the rigidity of the upper bracket is relatively weak in the lateral direction, when the driver applies a lateral force to the steering wheel, the upper bracket is deformed so that the side wall of the upper bracket falls in parallel. There is a risk that the driver will be slightly displaced and feel a low rigidity to the driver. On the other hand, by increasing the thickness of the upper bracket or increasing the reinforcing ribs, it is possible to suppress the deformation of the upper bracket to some extent, but the upper bracket becomes larger and the weight and cost increase accordingly. There is a problem of inviting.

  The present invention has been made in view of the problems of the prior art, and an object thereof is to provide a steering column device that can reliably support a steering shaft without using a highly rigid bracket.

The steering column device of the present invention is a steering column device that fixes a column that supports a steering shaft to a vehicle body so that the position thereof can be adjusted.
A frame fixed to the vehicle body or a bracket attached to the vehicle body and holding the column;
Generating means for generating a separating force that biases the frame or the vehicle body and the bracket in a relatively separating direction;
The bracket is disposed between the column and the generating means ;
The frame fixed to the vehicle body is provided with a suppressing portion that suppresses deformation or movement when receiving the separation force .

  According to the steering column device of the present invention, the generating means generates a separation force between the frame fixed to the vehicle body or the vehicle body and the bracket, and the bracket is formed between the column and the generating means. Since the separation force generated by the generating means is used, the bracket can be pressed against the frame fixed to the vehicle body or the vehicle body, thereby regardless of the rigidity of the bracket. The steering shaft can be supported with high rigidity. For example, by generating the separating force in the lateral direction of the steering shaft, the lateral support rigidity of the steering shaft can be improved. However, since the surface pressure of each part increases at the same time, the vertical and axial support can be increased. Stiffness will also be improved.

  The column includes a first column and a second column fitted so as to be included in the first column, and the second column is formed using the separation force generated by the generating unit. Preferably, the first column is held.

  The generating means is a cam mechanism, and it is preferable that a separating force is generated by rotating an operation lever.

  It is preferable that the frame fixed to the vehicle body is formed with a suppressing portion that suppresses deformation or movement when receiving the separation force.

  A tilt / telescopic steering device according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of the steering column device according to the present embodiment. 2 and 3 are diagrams in which the configuration of FIG. 1 is cut along the line II-II and viewed in the direction of the arrow. FIG. 2 shows the operation lever in the release position and FIG. 3 shows the operation lever in the fixed position. Is shown. In the present specification, the “telescopic direction” refers to the direction of the approximate axis of the steering shaft, and the “tilt direction” refers to the direction (particularly the vertical direction) intersecting it.

  2 and 3, a bracket 1 attached to a vehicle body VB (or an attachment adapter fixed to the vehicle body VB) via a frame 2 supports a column (steering column) 3 as will be described later. Yes. The column 3 includes an outer column (first column) 3A fixed to the bracket 1 and a cylindrical inner column (second column) 3B included in the outer column 3A. An inner shaft 3B is inserted with an upper shaft 5 that is connected to the steering wheel 4 and transmits a steering force to a pinion shaft PS of a rack and pinion mechanism that is a steering mechanism, and is rotatable by a bearing (not shown). It is supported.

  In FIG. 1, the lower end of the upper shaft 5 is attached to the upper end of the lower shaft 8 so as to be displaceable in the axial direction and integrally rotate. The upper shaft 5 and the lower shaft 8 constitute a steering shaft. The lower shaft 8 is rotatably supported by a bearing 13 held in a cylindrical pivot bracket 12 pivotally attached to a pivot support point PV fixed to the vehicle body VB.

  A lower end of the lower shaft 8 is connected to an upper end of the intermediate shaft 10 via a universal joint portion 9 disposed in the vicinity of a bulkhead BH that separates the vehicle compartment from the engine room. The lower end of the intermediate shaft 10 is connected to the pinion shaft PS via the universal joint portion 11. The pinion of the pinion shaft PS is meshed with a rack shaft (not shown), and the wheel is steered via a steering mechanism (not shown) by converting the rotation of the pinion shaft PS into the axial movement of the rack shaft. It has become.

  2 and 3, the frame 2 formed by bending a plate material is separated from the upper plate 2a, the side plates 2b and 2b extending in parallel downward from both ends of the upper plate 2a, and the lower ends of the side plates 2b and 2b. There are mounting plates 2c, 2c extending in the direction. The frame 2 is attached in a state where the mounting plates 2c and 2c are fixed to the vehicle body VB by bolts B in the recesses of the vehicle body VB.

  The bracket 1 fixed to the upper plate 2a of the frame 2 by welding or the like has side plates 1a and 1a extending in parallel with the inside of the side plates 2b and 2b. Tilt long holes 1b and 1b extending in the tilt direction are formed in the side plates 1a and 1a, respectively. An outer column 3A is disposed between the side plates 1a and 1a.

  The outer column 3A has an inner diameter portion 3c and a slit portion 3d formed at the upper portion of the inner diameter portion 3c, and also forms a telescopic elongated hole 3e extending in the telescopic direction so as to intersect the slit portion 3d. is doing. A hollow cylindrical inner column 3B is fitted to the inner diameter portion 3c of the outer column 3A. The upper shaft 5 is inserted into the inner column 3B.

  The clamp shaft 15 includes an operation lever 6, a first cam mechanism 7, a tilt long hole 1b of the left side plate 1a, a telescopic long hole 3e of the outer column 3A, a tilt long hole 1b of the right side plate 1a, and a second cam mechanism 17. They are inserted horizontally in order. The head 15a of the clamp shaft 15 has a hexagonal column shape that allows a tool to be engaged, a cylindrical shape whose side surface is cut by a parallel surface, or a cylindrical shape that has a hexagonal hole. When the axial force is generated), it is in contact with the inner surface of the side plate 2b of the frame 2 to exert a separation force, and is fixed by welding or the like so as to rotate integrally with the operation lever 6. Yes.

  The first cam mechanism 7 includes a follower portion 7b that is attached to the operation lever 6 and rotates integrally, and a cam portion 7a that engages with the tilted long hole 1b of the bracket 1 and is not relatively rotatable. On the other hand, the second cam mechanism 17 is attached to the clamp shaft 15 and rotates integrally with the cam portion 17a which is engaged with the tilted long hole 1b of the bracket 1 and is not relatively rotatable, but is relatively axial. And a follower portion 17b that is movable in the direction. In the present embodiment, the first cam mechanism 7 and the second cam mechanism 17 constitute the generating means.

  4-6 is a perspective view which shows the example of the 1st cam mechanism 7, and the circular hole which penetrates the clamp shaft 15 (FIG. 2, 3) is formed in the center. The second cam mechanism 17 has a similar configuration.

  4 is a flat cam, and the disc-shaped cam portion 7a and the follower portion 7b have the same shape, and the crest portions M are periodically formed in the circumferential direction so as to complement each other on the opposing surfaces. Valley portions V are provided side by side. When the cam part 7a and the follower part 7b are rotated relative to each other, the cam part 7a and the follower part 7b are more The axial distance is increased.

  FIG. 5 shows a roller cam, and the cam portion 7a has the same shape as a flat cam, but the follower portion 7b has a plurality of rollers R attached to a plate material in a rotatable manner. When the cam portion 7a and the follower portion 7b are relatively rotated, the roller R of the follower portion 7b rolls along the peak portion M and the valley portion V of the cam portion, but the roller R is positioned at the valley portion V. Compared to the case, the axial distance between the cam portion 7a and the follower portion 7b is increased when located at the peak portion M.

  6 shows a ball cam, and the cam portion 7a has the same shape as a flat cam. However, the follower portion 7b can roll a plurality of balls P on a plate material as shown in FIG. 6B. Buried. When the cam portion 7a and the follower portion 7b are rotated relative to each other, the ball P of the follower portion 7b rolls along the mountain portion M and the valley portion V of the cam portion, but the ball P is located in the valley portion V. Compared to the case, the axial distance between the cam portion 7a and the follower portion 7b is increased when located at the peak portion M.

  Next, the operation of the present embodiment will be described. When tilting or telescopic adjustment is performed, in FIG. 2, when the operator turns the operation lever 6 in a predetermined direction, the cam portion 7a and the follower portion 7b of the first cam mechanism 7 rotate relative to each other and come close to each other. And the cam portion 17a and the follower portion 17b of the second cam mechanism 17 are rotated relative to each other in the direction of approaching each other, so that the tension force is lost. As a result, the cam portion 7a of the first cam mechanism 7 and the cam portion 17a of the second cam mechanism 17 do not bias the side plates 1a, 1a of the bracket 1 from both sides, so that the side plates 1a, 1a and the outer column 3A The frictional force acting during the period decreases or disappears. Further, since the slit portion 3d of the outer column 3A is opened, the tightening force with respect to the inner column 3B is reduced. Therefore, the operator can displace the steering wheel 4 to an arbitrary tilt position by applying a force to a steering wheel (not shown) to rotate the column 3 about the pivot support point PV. By displacing the column 3 together with the upper shaft 5 in the axial direction, the steering wheel 4 can be displaced to an arbitrary telescopic position. In the present embodiment, since the outer column 3A, the inner column 3B, the upper shaft 5 and the lower shaft 8 are relatively movable in the axial direction, adjustment of the telescopic position is not hindered.

  When the tilt or telescopic adjustment is completed, in FIG. 1, the operator turns the operation lever 6 in the opposite direction, whereby the cam portion 7 a and the follower portion 7 b of the first cam mechanism 7 are relatively rotated and separated from each other. And the cam portion 17a and the follower portion 17b of the second cam mechanism 17 are displaced relative to each other by rotating relative to each other. At this time, since the clamp shaft 15 and the follower portion 17b of the second cam mechanism 17 are relatively movable in the axial direction, a tensile force is generated. Then, the head portion 15a of the clamp shaft 15 contacts the left side plate 2b of the frame 2, and the follower portion 17b of the second cam mechanism 17 contacts the right side plate 2b, but the frame 2 has high rigidity. Since the deformation is small, the strong reaction force causes the cam portions 7a and 17a to be pressed toward each other. As a result, the side plates 1a, 1a of the bracket 1 are urged from both sides toward the outer column 3A, and both are firmly fixed by the frictional force acting between the bracket 1 and the outer column 3A. Further, since the slit portion 3d of the outer column 3A is closed, the tightening force for the inner column 3B is increased, and both are firmly fixed. As described above, the support rigidity in the lateral direction of the upper shaft 5 supported by the inner column 3B is increased, and the bracket 1 is fixedly sandwiched between the cam mechanisms 7 and 17 and the outer column 3A. 5 is supported with high rigidity also in the vertical direction and the axial direction.

  When the steering wheel 4 is rotated in this state, the rotational motion is transmitted to the pinion shaft PS via the upper shaft 5, the lower shaft 8, the universal joint portion 9, the intermediate shaft 10, and the universal joint portion 11, and the The wheels are steered at a necessary angle by being converted into the axial movement of the rack shaft by the illustrated rack and pinion mechanism.

  According to the present embodiment, the separation force of the first cam mechanism 7 and the second cam mechanism 17 is used to generate a tension force, and the reaction force from the frame 2 generated due to this is used to cause the bracket 1 and the outer Since a strong holding force is generated between the column 3A and the column 1, the column 3 can be held while increasing the rigidity in the lateral direction regardless of the rigidity of the bracket 1, and a compact and simple steering column device can be provided.

  FIG. 7 is a cross-sectional view similar to FIG. 2 of a steering column device according to a modification of the present embodiment. In the embodiment shown in FIGS. 2 and 3, the head 15a of the clamp shaft 15 abuts against the left side plate 2b of the frame 2 and relatively rotates, and the follower portion 17b of the second cam mechanism 17 moves to the right. The side plate 2b comes into contact with and relatively rotates. Therefore, there is a possibility that the operation lever 6 cannot be smoothly rotated due to the friction between the two in contact.

  On the other hand, in this modification, instead of omitting the head from the clamp shaft 15 ′, between the operation lever 6 and the left side plate 2 b and between the follower portion 17 b of the second cam mechanism 17. The needle bearings NB are arranged respectively. Thereby, when the operation lever 6 is rotated, the friction with the frame 2 is reduced, and a smooth operation can be realized. Other than that, the configuration is the same as that shown in FIGS.

  FIG. 8 is a cross-sectional view similar to FIG. 7 of a steering column device according to another modification. This modification is different from the example shown in FIG. 7 in that a spacer 18 is arranged instead of the second cam mechanism. The spacer 18 can rotate relative to the clamp shaft 15 ′ but cannot move relative to the axial direction. The rest is the same as the configuration of FIG.

  According to this modification, when the operator turns the operation lever 6 in the reverse direction, the cam portion 7a and the follower portion 7b of the first cam mechanism 7 are relatively rotated and displaced in a direction away from each other. At this time, since the spacer 18 can rotate relative to the clamp shaft 15 ′, only the clamp shaft 15 ′ rotates and an axial force (tension force) is generated. Then, the left side plate 2b of the frame 2 is pressed through the needle bearing NB, and the cam portion 7a is pressed toward the spacer 18 by the strong reaction force. As a result, the side plates 1a and 1a of the bracket 1 are urged toward the outer column 3A, and the two are firmly fixed by the frictional force acting between the bracket 1 and the outer column 3A.

  FIG. 9 is a diagram illustrating an attachment mode of the frame 2 according to the modification. In the above-described embodiment, the side plate 2b of the frame 2 is supported in a state of being floated with respect to the vehicle body VB, so that it is slightly bent when pressed by the first cam mechanism 7 or the like, thereby the outer column. The reaction force for holding 3A may be reduced.

  On the other hand, according to the modification shown in FIG. 9, the boss portion VBb raised one step is provided on the inner side surface of the vehicle body VB, and the outer side surface of the side plate 2b of the frame 2 is brought into contact therewith. The boss portion VBb constitutes a suppression means. According to this configuration, when the side plate 2b is urged by the first cam mechanism 7 shown in FIGS. 2 and 3 and the like, the side plate 2b is supported by the boss portion VBb from the back side, so that bending may occur. Suppressed, thereby generating a strong reaction force. The same applies to the opposite side of the frame 2.

  FIG. 10 is a diagram illustrating an attachment mode of the frame 2 according to another modification. In this modification, a protrusion VBc is formed at the lower end of the vehicle body VB, and the end portion of the frame 2 is brought into contact therewith. The protrusion VBc constitutes a suppression means. According to such a configuration, when the side plate 2b is urged by the first cam mechanism 7 shown in FIGS. 2 and 3 and the like, the frame 2 is moved because the end of the frame 2 is supported by the protrusion VBc. Is suppressed, thereby generating a strong reaction force. The same applies to the opposite side of the frame 2.

  FIG. 11 is a diagram illustrating an attachment mode of the frame 2 according to the modification. In this modification, the contact plate 2f is fixed to the inner side surface of the side plate 2b of the frame 2 'by welding or the like, and a screw hole 2d is formed. The vehicle body VB has a through hole VBd formed at the center of the boss portion VBb. The frame 2 'is attached to the vehicle body VB by inserting the bolt B through the through hole VBd and screwing it into the screw hole 2d of the frame 2'. According to such a configuration, when the contact plate 2f is urged by the first cam mechanism 7 shown in FIGS. 2 and 3 and the like, the side plate 2b is supported by the boss portion VBb from the back side, so that bending occurs. Can be suppressed, and thereby a strong reaction force can be generated. The same applies to the opposite side of the frame 2 '.

  FIG. 12 is a diagram illustrating an attachment mode of the frame 2 according to the modification. In the present modification, a reinforcing plate 2e is fixed to the outer surface of the side plate 2b of the frame 2 'by welding or the like with respect to the example shown in FIG. According to this modification, the side plate 2b can be reinforced by using the reinforcing plate 2e, and thereby the rigidity can be increased. Furthermore, by forming a screw hole in the reinforcing plate 2e, the screwing length of the screw can be secured even if the side plate 2b is thin. The same applies to the opposite side of the frame 2 '.

  In the above embodiment, it is necessary to fix the bracket 1 to the frame 2 after inserting the clamp shaft 15 into the bracket 1 or the outer column 3A during assembly. On the other hand, in the modification shown in FIGS. 13 and 14, the clamp shaft 15 and its peripheral parts can be assembled after the bracket 1 and the frame 2 are fixed.

  FIG. 13 is a view similar to FIG. 8 of a steering column device according to another modification. FIG. 14 is a perspective view of a frame and a bracket used in this modification. In this modification, as shown in FIG. 13, the needle bearing NB and the spacer 18 are brought into contact with the boss portions VBb and VBb facing the vehicle body VB.

  In this modified example, as shown in FIG. 14, the end of the bracket 1 is shifted with respect to the frame 2 and then fixed by welding. Therefore, when the frame 2 is fixed to the vehicle body VB by the bolt B, the needle bearing NB and the spacer 18 are in a position where they abut against the opposing boss portions VBb and VBb of the vehicle body VB. Since the box-shaped vehicle body VB is higher in rigidity than the frame 2 which is a plate material, when the operation lever 6 is rotated, it receives a strong reaction force from the needle bearing NB, the spacer 18 and the boss portions VBb and VBb. it can. In this modification, it is necessary to manage the distance between the boss portions VBb and VBb facing the vehicle body VB. Further, it is necessary to adjust and manage the thickness of the spacer 18 due to dimensional errors and assembly errors of peripheral parts of the clamp shaft 15.

  Although the above embodiment is an example in which the column 3 is divided into the outer column 3A and the inner column 3B, it is not necessarily divided. An example using a non-split type column is described below. FIG. 15 is a view similar to FIG. 7 of a steering column device according to another embodiment. FIG. 16 is a partially exploded view of the steering column used in the present embodiment. In the present embodiment, instead of providing the clamp shaft, the bracket 1 is provided with a pair of shaft portions.

  More specifically, in the drawing, the bracket 1 ′ has openings 1 c ′ and 1 c ′ formed in the side plates 1 a and 1 a. The shaft member 20 includes a plate portion 20a and a shaft portion 20b planted at the center of the plate portion 20a. Each shaft member 20 is fixed to the bracket 1 ′ by inserting the shaft portion 20 b through the opening 1 c ′ from the inside of the bracket 1 ′ and welding the plate portion 20 a to the side plate 1 a. At this time, the pair of shaft portions 20b extend in directions facing each other.

  The column 3 ′ that rotatably supports the upper shaft 5 is formed with receiving portions 3 a and 3 a whose side surfaces are flat at positions facing the outer periphery. In the present embodiment, the follower portions 7 b ′ and 17 b ′ are formed at one end of an elongated plate-like arm 16. The other end of the arm 16 is connected by a cylindrical bar 16a with the follower portions 7b 'and 17b' facing each other.

  In FIG. 15, the bracket 1 ′ is fixed to the frame 2 by welding. The shaft portion 20 b protruding outward from the left side plate 1 a of the bracket 1 ′ is fitted into the needle bearing NB that contacts the cam portion 7 a, the follower portion 7 b ′, and the frame 2. On the other hand, the shaft portion 20b protruding outward from the right side plate 1a is fitted into the needle bearing NB that contacts the cam portion 17a, the follower portion 17b ', and the frame 2. The plate portion 20a of each shaft member 20 is in contact with the receiving portion 3a of the column 3 ′. However, the plate portion 20a does not fall out of the receiving portion 3a within the range of the tilt or telescopic adjustment stroke. Yes.

  Next, the operation of the present embodiment will be described. When tilting or telescopic adjustment is performed, in FIG. 15, when the operator rotates the arm 16 in a predetermined direction while holding the bar 16a, the cam portion 7a and the follower portion 7b ′ of the first cam mechanism 7 ′ are moved. Since the cam portion 17a and the follower portion 17b ′ of the second cam mechanism 17 ′ are displaced relative to each other in a direction close to each other, the needle bearing with respect to the frame 2 is displaced. The NB pressing force is lost. As a result, the cam portion 7a of the first cam mechanism 7 and the cam portion 17a of the second cam mechanism 17 do not bias the side plates 1a, 1a of the bracket 1 from both sides, so that the side plates 1a, 1a and the column 3 ' The frictional force acting between the receiving portions 3a and 3a is reduced. Therefore, the operator can displace the steering wheel 4 to an arbitrary tilt position by applying a force to a steering wheel (not shown) to rotate the column 3 about the pivot support point PV. By displacing the column 3 together with the upper shaft 5 in the axial direction, the steering wheel 4 can be displaced to an arbitrary telescopic position.

  When the tilt or telescopic adjustment is finished, in FIG. 15, the operator turns the operation lever 6 in the reverse direction, so that the cam portion 7 a and the follower portion 7 b ′ of the first cam mechanism 7 rotate relative to each other. The cam portion 17a and the follower portion 17b ′ of the second cam mechanism 17 are displaced relative to each other in a direction away from each other. Accordingly, a pressing force is transmitted to the frame 2 through the needle bearing NB, and the cam portions 7a and 17a are pressed in directions close to each other by the reaction force. As a result, the plate portions 20a of the shaft members 20 on both sides are urged toward the receiving portions 3a of the column 3 ′, and the frictional force acting between the plate portions 20a, 20a and the receiving portions 3a, 3a of the column 3 ′ is applied. Both will be firmly fixed.

  In the present embodiment, the steering column device can be assembled as a unit from the lower side of the vehicle body VB, and the assemblability is excellent. Further, since the holding force of the column 3 'is applied in a direction substantially intersecting the axis of the steering shaft, the steering shaft can be held with high rigidity. In addition, it is preferable to provide a stopper that prevents further relative movement between the plate portion 20a and the receiving portion 3a by abutting at the end of the tilt or telescopic adjustment stroke.

  As described above, the present invention has been described in detail with reference to the embodiments. However, the present invention should not be construed as being limited to the above-described embodiments, and can be appropriately changed and improved without departing from the spirit thereof. Of course there is. The bracket may be attached to at least one of the vehicle body and the frame.

It is a side view of the steering column apparatus which concerns on this Embodiment. It is the figure which cut | disconnected the structure of FIG. 1 by the II-II line | wire, and looked at the arrow direction. It is the figure which cut | disconnected the structure of FIG. 1 by the II-II line | wire, and looked at the arrow direction. 4 is a perspective view showing an example of a first cam mechanism 7. FIG. 4 is a perspective view showing an example of a first cam mechanism 7. FIG. 4 is a perspective view showing an example of a first cam mechanism 7. FIG. It is sectional drawing similar to FIG. 2 of the steering column apparatus concerning the modification of this Embodiment. It is sectional drawing similar to FIG. 2 of the steering column apparatus concerning the modification of this Embodiment. It is a figure which shows the attachment aspect of the flame | frame 2 concerning a modification. It is a figure which shows the attachment aspect of the flame | frame 2 concerning a modification. It is a figure which shows the attachment aspect of the flame | frame 2 concerning a modification. It is a figure which shows the attachment aspect of the flame | frame 2 concerning a modification. It is a figure similar to FIG. 8 of the steering column apparatus concerning another modification. It is a perspective view of the flame | frame and bracket used by this modification. It is a figure similar to FIG. 7 of the steering column apparatus concerning another embodiment. It is a partially exploded view of the steering column used in the present embodiment.

Explanation of symbols

1 Bracket 1a Side plate 1b Tilt long hole 1c Opening 2 Frame 2a Upper plate 2b Side plate 2c Mounting plate 2d Hole 2e Reinforcement plate 2f Contact plate 3 Column 3A Outer column 3B Inner column 3a Receiving part 3b Telescopic long hole 3b Side plate 3c Inner diameter 3d Slit part 4 Steering wheel 5 Upper shaft 6 Operation lever 7 Cam mechanism 7a Cam part 7b Follower part 8 Lower shaft 9 Universal joint part 10 Intermediate shaft 11 Universal joint part 12 Pivot bracket 13 Bearing 15 Clamp shaft 15a Head part 16 Arm 16a Bar 17 Cam mechanism 17a Cam part 17b Follower part 18 Spacer 20 Shaft member 20a Plate part 20b Shaft part B Bolt M Mountain part NB Needle bearing P Ball PS Pinion shaft PV pivot support point R Roller V Valley VB Car body VBb Boss VBc Protrusion VBd Through hole

Claims (3)

In the steering column device that fixes the column that supports the steering shaft to the vehicle body so that the position can be adjusted,
A frame fixed to the vehicle body or a bracket attached to the vehicle body and holding the column;
Generating means for generating a separating force that biases the frame or the vehicle body and the bracket in a relatively separating direction;
The bracket is disposed between the column and the generating means ;
A steering column device , wherein a frame fixed to the vehicle body is provided with a suppressing portion that suppresses deformation or movement when subjected to the separation force .   The column includes a first column and a second column fitted so as to be included in the first column, and the second column is formed using the separation force generated by the generating unit. The steering column device according to claim 1, wherein the steering column device is held by the first column.   The steering column device according to claim 1 or 2, wherein the generating means is a cam mechanism and generates a separating force by rotating an operation lever.

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