KR101170454B1 - Apparatus for adjusting of steering column of vehicle - Google Patents

Abstract

The disclosed steering column adjusting device includes a rake bracket inserted into a long axis of a steering column shaft accommodated in a jacket and fixed to a vehicle body, a compression bracket accommodated in the rake bracket and coupled to the jacket, and a lower surface of the rake bracket and the A spring interposed between the jacket to elastically support the steering column shaft, and a fastening hole interposed between the rake bracket and the compression bracket, through which the bolt fastened to the compression bracket passes through the rake bracket; It may include a close block for pressing the compression bracket by tightening the bolt and a tilting lever for coupling to the bolt to adjust the loosening and tightening of the bolt. According to this structure, the structure of the rake bracket is provided in a similar form to a box without a disconnected portion, and the stiffness of the rake bracket can be reinforced by interposing the contact block between the rake bracket and the compression bracket. Can increase the pressing force. Therefore, it is possible to improve the absorption performance of vibration transmitted to the steering column while the vehicle is running.

Steering Column, Lake Bracket, Compression Bracket

Description

Apparatus for adjusting of steering column of vehicle}

The present invention relates to an apparatus for adjusting a steering column for a vehicle, and more particularly, to an apparatus for adjusting a steering column capable of changing a position of a steering wheel connected to the steering column by adjusting the steering column to be suitable for a driver's physical condition or driving posture. will be.

In general, a vehicle has a steering column adjustment device that can adjust the height of the steering wheel and the front and rear distances according to the driver's physical condition or driving posture.

The steering column adjustment device has a tilt function and a telescopic function.

The tilt function allows the driver to adjust the steering column at a predetermined angle by operating an operation lever so that the driver can adjust the steering wheel connected to the steering column at a comfortable position.

The telescopic function allows the driver to withdraw or withdraw the steering wheel from the steering column to increase the driver's seat space.

FIG. 1 is a side view schematically showing a general steering column, FIG. 2 is a cross-sectional view schematically shown along the line II ′ of FIG. 1, and FIG. 3 is a cross-sectional view schematically illustrating a portion of the lake bracket of FIG. 2.

1 to 3, the steering column adjusting device 20 in the steering column 10 includes one side of the steering column 10 into which a steering column shaft 12 is inserted into a jacket 11. It is mounted on, and fixed to the vehicle body (not shown).

The steering column adjusting device 20 includes a rake bracket 21 and a compression bracket 22.

The rake bracket 21 is inserted in the long axis direction of the steering column 10 in a form similar to a box, and the cut portion A is cut in the form of a lower surface thereof.

The compression bracket 22 is accommodated in the lake bracket 21, and is coupled to and fixed to the bottom surface of the jacket 11.

A spring 23 is inserted into and fixed to the upper portion A of the lower surface of the lake bracket 21 to elastically support the compression bracket 22.

The rake bracket 21 and the compression bracket 22 are fastened by bolts 24 and nuts 25, and a tilting lever 26 is fastened to the bolts 24 by the bolts 24. The bolt 24 is tightened or loosened by the operation of the tilting lever 26.

That is, the bolt 24 protrudes to the other side of the rake bracket 21 through the tilting lever 26, one side of the rake bracket 21 and the compression bracket 22, the protruding portion Nut 25 is coupled to.

 In order to tilt the steering wheel (not shown) in the adjusting device 20 of the steering column having the structure as described above, the tilting lever (for adjusting the steering column 10 connected to the steering wheel at a desired angle and then fixing it) 26).

The bolt 24 is tightened by the operation of the tilting lever 26, and by the tightening of the bolt 24, the rake bracket 21 presses the compression bracket 22 so that the steering column ( 10) to be fixed.

Accompanying the fixing of the steering column 10, the steering wheel is also adjusted and fixed at a desired angle.

In the steering column adjusting device 20 having the above structure, since the lower surface of the rake bracket 21, which is a portion to which the spring 23 is coupled, is cut off, the rake bracket 21 is operated by the tilting lever 26. When pressing the compression bracket 22 has a problem that the rigidity of the lake bracket 21 is lowered.

The degradation of the stiffness of the lake bracket 21 has a problem of lowering the vibration absorption performance of the steering column 10 during driving of the vehicle.

The present invention has been made in order to solve the above problems, when the rake bracket to press the compression bracket by the operation of the tilting lever, an improvement that can improve the vibration absorption performance by preventing the stiffness of the rake bracket to be reduced It is an object of the present invention to provide an adjusting device for a steering column for a vehicle.

An apparatus for adjusting a steering column for a vehicle according to the present invention includes a rake bracket inserted into a long axis of a steering column shaft accommodated in a jacket and fixed to a vehicle body, a compression bracket accommodated in the rake bracket and coupled to the jacket, and the rake A spring interposed between the lower surface of the bracket and the jacket to elastically support the steering column shaft, and a bolt interposed between the rake bracket and the compression bracket and penetrating the rake bracket to be fastened to the compression bracket. The fastening hole may include a close block for pressing the compression bracket by tightening the bolt and a tilting lever coupled to the bolt to adjust the loosening and tightening of the bolt.

The rake bracket has a hollow box shape, and a protrusion for fixing the spring to the inner upper portion on a flat lower surface may protrude.

The contact block may include a first contact block contacting the lake bracket by tightening the bolt and a second contact block contacting the compression bracket.

The bolt is formed in two stages so that one side coupled to the compression bracket is smaller in width than the other side, and the one end and the other side may be screwed in opposite directions.

A screw in the same direction as the screw formed on the other side of the bolt is formed on the surface forming the fastening hole of the first contact block, and a surface formed on the other side of the bolt on the surface forming the fastening hole of the second contact block. A screw in the opposite direction to the screw can be formed.

The anti-rotation protrusion may protrude from a surface of the first block that comes into close contact with the lake bracket.

A bushing is further fastened to the bolt, and the bushing may be in contact with a surface of the second contact block facing the first contact block.

A leaf spring may be further interposed between the first contact block and the rake bracket.

An apparatus for adjusting a steering column for a vehicle according to the present invention includes a rake bracket inserted into a long axis of a steering column shaft accommodated in a jacket and fixed to a vehicle body, a compression bracket accommodated in the rake bracket and coupled to the jacket, and the rake A spring interposed between the lower surface of the bracket and the jacket to elastically support the steering column shaft, a bolt protruding from one side of the rake bracket and the compression bracket to the other side of the rake bracket to be fastened with a nut, and the rake A locking hole through which the bolt penetrates so as to be interposed between the bracket and the compression bracket, the cam block pressurizing the compression bracket by tightening the bolt, and a tilting lever that is coupled to the bolt to adjust the loosening and tightening of the bolt. It may include.

The rake bracket has a hollow box shape, and a protrusion for fixing the spring to the inner upper portion on a flat lower surface may protrude.

The cam block may include a first cam block fixed to one of the compression bracket or the rake bracket and a second cam block rotating by tightening the bolt to apply pressure to the first cam block. .

On the surfaces of the first cam block and the second cam block facing each other, a plurality of pressure protrusions spaced apart from each other protrude so that the pressure protrusions of the first cam block and the second cam block contact each other by tightening the bolts. Can be relatively pressurized.

The bolt may have one surface and the other surface opposite to the one surface is flat, and the surface connecting the one surface and the other surface may be rounded.

The fastening hole of the first cam block may have a circular shape so that the bolt penetrates, and the fastening hole of the second cam block may have the same shape as the bolt so that the bolt is penetrated and fastened.

A leaf spring may be interposed between the bracket of the lake bracket or the compression bracket to which the first cam block is fixed and the first cam block.

The bolt may be inserted into any one of a thrust bearing or a bushing.

The adjustment of the steering column for automobiles according to the present invention is inserted in the long axis direction of the steering column shaft accommodated in the jacket, and fixed to the vehicle body, the bracket is received in the rake bracket, coupled to the jacket, slots to have a telescopic function The compression bracket is formed, a spring interposed between the lower surface of the rake bracket and the jacket to elastically support the steering column shaft, and passes through one side of the rake bracket and a slot of the compression bracket to protrude toward the other side of the rake bracket. And a bolt fastened to the nut, and a fastening hole through which the bolt penetrates so as to be interposed between the rake bracket and the compression bracket, the cam block pressurizing the compression bracket by tightening the bolt, and coupled to the bolt. Unscrew the bolt It may include a tilting lever for adjusting the tightening.

The cam block may include a first cam block fixed to one of the compression bracket or the rake bracket and a second cam block rotating by tightening the bolt to apply pressure to the first cam block. .

On the surfaces of the first cam block and the second cam block facing each other, a plurality of pressure protrusions spaced apart from each other protrude so that the pressure protrusions of the first cam block and the second cam block contact each other by tightening the bolts. Can be relatively pressurized.

The bolt may have one surface and the other surface opposite to the one surface is flat, and the surface connecting the one surface and the other surface may be rounded.

The fastening hole of the first cam block may have a circular shape so that the bolt penetrates, and the fastening hole of the second cam block may have the same shape as the bolt so that the bolt is penetrated and fastened.

A leaf spring may be interposed between the bracket of the lake bracket or the compression bracket to which the first cam block is fixed and the first cam block.

The bolt may be inserted into any one of a thrust bearing or a bushing.

According to the adjustment device of the steering column for automobiles according to the present invention, the structure of the rake bracket is provided in a form similar to a box without a disconnected portion unlike the conventional, and the rake by interposing the contact block or cam block between the rake bracket and the compression bracket Since the rigidity of the bracket can be reinforced, the pressing force of the compression bracket by the rake bracket can be increased.

Therefore, it is possible to improve the absorption performance of vibration transmitted to the steering column while the vehicle is running.

In addition, it is possible to provide a telescopic function of the steering column by forming slots into which bolts are inserted and fastened on both sides of the compression bracket, and allowing the bolts to move positions within the slots.

Hereinafter, an apparatus for adjusting a steering column for a vehicle according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 4 is a cross-sectional view schematically showing an apparatus for adjusting a steering column for a vehicle according to a first embodiment of the present invention, FIG. 5 is a cross-sectional view schematically showing a portion of the lake bracket of FIG. 4, and FIG. 6 is a compression bracket of FIG. 4. Is a schematic perspective view.

4 to 6, the adjusting device 100 of the steering column for an automobile 100 includes a rake bracket 110, a compression bracket 120, a spring 130, a close block 150, and a tilting lever 160. ) May be included.

The lake bracket 110 may be inserted in the long axis direction of the steering column shaft 220 accommodated in the jacket 210 and fixed to the vehicle body (not shown).

The rake bracket 110 is similar in shape to a hollow box, the lower surface is fixed to the vehicle body may be formed flat, the lower surface may be a protrusion 111 protrudes to the inner upper side formed with a hollow.

One side of the spring 130 may be inserted into the protrusion 111, and the other side of the spring 130 may contact the lower surface of the jacket 210 to elastically support the steering column shaft 220.

The difference between the structure of the rake bracket 110 and the structure of the conventional rake bracket as described above is that the lower surface fixed to the vehicle body is closed in the present invention, but in the conventional case is open.

That is, in the related art, the lower surface is disconnected so that one side end and the other end are not connected, and each structure is bent upward and inserted into the spring, but the present invention is continuously formed without the disconnected part.

The compression bracket 120 is accommodated in the lake bracket 110 and may be coupled to the lower portion of the jacket 210.

One side of the compression bracket 120 may be in contact with one inner surface of the lake bracket 110, and the other side may be spaced apart from the other inner surface of the lake bracket 110.

The adhesion block 150 may be interposed between the rake bracket 110 and the compression bracket 120.

That is, it may be interposed between the other inner surface of the lake bracket 110 and the other side surface of the compression bracket 120.

A fastening hole (not shown) is formed in the center of the contact block 150, and the fastening hole may penetrate through the lake bracket 110 to allow the bolt 140 to be fastened to the compression bracket 120. .

A screw (螺絲) is formed on a surface of the contact block 150 forming the fastening hole, and may be screwed to the bolt 140 penetrating the fastening hole (hereinafter the close contact forming the fastening hole). The face of the block and the fastening hole will be used interchangeably.)

Reference numeral 121 is a coupling hole through which the bolt 140 is fastened.

FIG. 7 is a side view schematically showing a first close contact block among the close contact blocks of FIG. 4, and FIG. 8 is a side view schematically showing a second close contact block among the close contact blocks shown in FIG. 4.

7 and 8, the adhesion block 150 may be the first adhesion block 151 and the compression bracket 120 which are in close contact with the inner surface of the rake bracket 110 by the rotation of the bolt 140. It may be provided with a second contact block 154 in close contact with the outer surface of the.

The anti-rotation protrusion 152 may protrude from a surface of the first contact block 151 corresponding to an inner surface of the lake bracket 110.

The rotation preventing protrusion 152 of the first contact block 151 is further rotated by the rotation of the bolt 140 when the first contact block 151 is in close contact with the inner surface of the rake bracket 110. It can function to prevent this from happening.

The direction of the screw formed in the fastening hole 153 of the first contact block 151 and the direction of the screw formed in the fastening hole 155 of the second contact block 154 may be opposite to each other.

9 is a side view schematically showing the bolt of FIG. 4.

Referring to FIG. 9, the bolt 140 may be formed in two stages. One side portion 141 fastened to the compression bracket 120 may have a smaller width than the other side portion 142. Screws formed on the 141 and the other side portion 142 may be opposite to each other.

For example, if one side 141 of the bolt 140 is a right row screw, the other side part 142 may be a left row screw, and the first contact block 150 of the close contact block 150 through which the bolt 140 is fastened through The screw formed in the fastening hole 153 of 151 may be a left row screw, and the screw formed in the fastening hole 155 of the second close block 154 may be a right row screw.

A bushing 170 through which the bolt 140 penetrates may be interposed between the first contact block 151 and the second contact block 154 to help the bolt 140 to rotate.

The bushing 170 may be in contact with a surface of the second contact block 154 opposite to the first contact block 151.

A leaf spring 180 may be further interposed between the lake bracket 110 and the first contact block 151 to elastically support the first contact block 151 with respect to the lake bracket 110.

A tilting lever 160 to which the bolt 140 is fastened through may be installed at an outer side of the lake bracket 110.

The tilting lever 160 may adjust the loosening and tightening of the bolt 140 from the outside.

10A is a partial cross-sectional view showing a state of the close contact block when the tilting lever is in the initial state in FIG. It is a cross section.

Referring to FIG. 10A, when the tilting lever 160 is not operated and the bolt 140 is released, the first contact block 151 and the second contact block 154 are the rake bracket 110. And a predetermined interval from the compression bracket 120.

Referring to FIG. 10B, when the tilting lever 160 is operated to tighten the bolt 140, the first contact block 151 is in close contact with the inner surface of the lake bracket 110, and the second contact is in close contact. Block 154 may be in close contact with the outer surface of the compression bracket 120.

Here, the reason why the first contact block 151 and the second contact block 154 fastened to the bolt 140 are moved in different directions is due to the direction of the screw formed on the bolt 140 and the first. According to the direction of the screw formed in the fastening hole 153 of the contact block 151 and the fastening hole 155 of the second contact block 154.

That is, in the case of the second contact block 154 in which the screw is formed in the same direction as the direction of the screw formed in the bolt 140, the bolt 140 may move in the tightening direction.

In the case of the fastening hole 155 of the second contact block 154, since the screw is formed in a direction different from the direction of the screw formed in the bolt 140 in the opposite direction to the direction in which the bolt 140 is tightened I can move it.

When the adhesion block 150 is in close contact with the rake bracket 110 and the compression bracket 120 as described above, the rake bracket 110 presses the compression bracket 120 to open the steering column shaft 220. Can be fixed

When the steering column adjusting device 100 of the structure as described above sets the steering column shaft 220 at a predetermined angle and then tightens the bolt 140 by the tilting lever 160, the rake bracket 110 may press the compression bracket 120 to fix the set steering column shaft 220.

In particular, since the rake bracket 110 pressurizes the compression bracket 120 by the movement of the close block 150, the rake bracket 110 is pressed more than a method of pressing the compression bracket by pulling up the disconnected portion of the conventional rake bracket. ) Can improve the rigidity.

Therefore, the pressing force of the compression bracket 120 may be increased by improving the rigidity of the lake bracket 110, thereby improving vibration absorption performance applied to the steering column (not shown).

11 is a schematic cross-sectional view of an apparatus for adjusting a steering column according to a second embodiment of the present invention.

Of the second embodiment, the same components and structures as the first embodiment have the same operation and effect, and thus, detailed description thereof will be omitted.

Referring to FIG. 11, the adjusting device 300 of the steering column includes a rake bracket 310, a compression bracket 320, a spring 330, a bolt 340, a cam block 350, and a tilting lever ( 360).

The rake bracket 310 may be inserted in the long axis direction of the steering column shaft 220 accommodated in the jacket 210 and fixed to the vehicle body (not shown).

The compression bracket 320 is accommodated in the lake bracket 310 and may be coupled to the lower portion of the jacket 210.

The spring 330 may be interposed between the lower surface of the rake bracket 310 and the jacket 210 to elastically support the steering column shaft 220.

The bolt 340 may pass through one side of the rake bracket 310 and the compression bracket 320 to protrude to the other side of the rake bracket 310 to be fastened to the nut 380.

The cam block 350 is interposed between the rake bracket 310 and the compression bracket 320 and has a fastening hole (not shown) through which the bolt 340 penetrates. By this, the compression bracket 320 may be pressed.

12 is a perspective view schematically showing a first cam block among the cam blocks of FIG. 11, FIG. 13 is a perspective view schematically showing a second cam block among the cam blocks of FIG. 11, and FIG. 14 is a second cam block of FIG. 13. Is a rear view schematically showing, and FIG. 15 is a sectional view schematically showing the bolt of FIG.

12 to 14, the cam block 350 is tightened by the first cam block 355 and the bolt 340 fixed to any one of the rake bracket 310 and the compression bracket 320. It may be provided with a second cam block 351 to rotate by applying a pressure relative to the first cam block 355.

A plurality of pressing protrusions 352 and 356 protrude from the surfaces of the first cam block 355 and the second cam block 351 facing each other, and the plurality of pressing protrusions 352 and 356 may be spaced apart from each other at regular intervals. have.

That is, on the surfaces of the first cam block 355 and the second cam block 351 facing each other, the hills 353 and 357 which are concave portions between the peaks 352 and 356 and the peaks 352 and 356 are formed. It can be formed alternately. (Hereinafter, the pressing projection and the acid are mixed in the same component.)

A first fastening hole 358 through which the bolt 340 penetrates is formed at the center of the first cam block 355, and the first fastening hole 358 may be circular.

An anti-rotation protrusion 359 may be further formed on a surface of the first cam block 355 contacting any one of the lake bracket 310 and the compression bracket 320.

At the center of the second cam block 351 is formed a second fastening hole 354 through which the bolt 340 is fastened. The second fastening hole 354 has one surface and the other surface opposite to the one surface is flat. A straight line shape and a surface connecting the one surface and the other surface may be formed in a rounded shape.

That is, the second fastening hole 354 may have a form similar to a running track in which a straight course and a curved course are mixed.

Referring to FIG. 15, one side of the bolt 340 penetrating the cam block 350 may have the same shape as the second fastening hole 354.

Accordingly, the bolt 340 may pass through the first fastening hole 358, but may not be fastened, and may be fastened to the second fastening hole 354.

Accordingly, the second cam block 355 is rotated together with the bolt 340 by the rotation of the bolt 340, but the first cam block 351 is not affected by the rotation of the bolt 340. Can be fixed without.

A leaf spring 390 is interposed between the rake bracket 310 and the compression bracket 320 to which the first cam block 355 is fixed and the first cam block 355 to intersect the first cam block. 355 can be elastically supported.

A thrust bearing 370 or a bushing (not shown) may be inserted into the bolt 340 to assist the rotation of the bolt 340.

FIG. 16A is a side view schematically showing the state of the cam block in the initial state, and FIG. 16B is a side view schematically showing the operation of the cam block by tightening the bolt.

Referring to FIG. 16A, when the first cam block 355 and the second cam block 351 are in an initial state, the peak 356 of the first cam block 355 is the second cam block 351. It can be located in the valley (353).

Referring to FIG. 16B, when the bolt 340 is tightened, the peak 356 of the first cam block 355 may contact the peak 352 of the second cam block 351 to relatively pressurize it. have.

Therefore, when the bolt 340 is tightened, the rake bracket 310 may press the compression bracket 320 through the cam block 350.

The tilting lever 360 may be coupled to the bolt 340 to adjust the loosening and tightening of the bolt 340.

When the steering column adjusting device 300 of the structure as described above sets the steering column shaft 220 at a predetermined angle and then tightens the bolt 340 by the tilting lever 360, the rake bracket 310 may press the compression bracket 320 to fix the set steering column shaft 220.

In particular, since the rake bracket 310 presses the compression bracket 320 by the relative pressurization of the first cam block 355 and the second cam block 351, the broken portion of the conventional brake bracket is retracted. As a result, the stiffness of the lake bracket 310 can be improved compared to the method of pressing the compression bracket.

Therefore, the vibration absorption performance applied to the steering column (not shown) may be improved by improving the rigidity of the lake bracket 310.

17 is a perspective view schematically showing a modification of the compression bracket of FIG. 4 or 11.

Referring to FIG. 17, slots 321 through which the bolt 340 is fastened may be formed at both sides of the compression bracket 320.

The bolt 340 fastened to the slot 321 may be moved in the slot 321 to provide a telescopic function to the steering column.

According to the steering column adjustment device (100,300) of the structure as described above, the structure of the rake bracket (110,310) is provided in a similar form to the box without the disconnected portion, unlike the prior art, the close contact block 150 or the cam block 350 The interposed between the rake brackets 110 and 310 and the compression brackets 120 and 320 can reinforce the rigidity of the rake brackets 110 and 310 to increase the pressing force of the compression brackets 120 and 320 by the rake brackets 110 and 310.

Therefore, it is possible to improve the absorption performance of vibration transmitted to the steering column while the vehicle is running.

In addition, by forming the slots 321 through which bolts 340 are inserted and fastened on both sides of the compression brackets 120 and 320, and allowing the bolts 340 to move in the slots 321, the steering. Allows to provide telescopic capabilities of the column.

1 is a side view schematically showing a general steering column.

FIG. 2 is a schematic cross-sectional view taken along line II ′ of FIG. 1.

3 is a schematic cross-sectional view of a portion of the lake bracket of FIG.

4 is a cross-sectional view schematically showing an apparatus for adjusting a steering column for a vehicle according to a first embodiment of the present invention.

5 is a schematic cross-sectional view of the lake bracket portion of FIG.

FIG. 6 is a schematic perspective view of the compression bracket of FIG. 4. FIG.

FIG. 7 is a side view schematically showing a first contact block among the contact blocks of FIG. 4. FIG.

8 is a side view schematically showing a second contact block among the contact blocks of FIG. 4.

9 is a side view schematically showing the bolt of FIG. 4;

FIG. 10A is a partial cross-sectional view showing a state of the contact block when the tilting lever is in an initial state in FIG. 4; FIG.

FIG. 10B is a partial cross-sectional view schematically showing the operation of the contact block when the bolt is tightened by the tilting lever in FIG. 4. FIG.

11 is a sectional view schematically showing a steering column adjusting device according to a second embodiment of the present invention.

FIG. 12 is a perspective view schematically illustrating a first cam block of the cam blocks of FIG. 11; FIG.

FIG. 13 is a perspective view schematically illustrating a second cam block of the cam blocks of FIG. 11; FIG.

FIG. 14 is a schematic rear view of the second cam block of FIG. 13; FIG.

15 is a schematic cross-sectional view of the bolt of FIG.

Fig. 16A is a side view schematically showing the state of the cam block in the initial state.

Figure 16b is a side view schematically showing the operation of the cam block by tightening the bolt.

17 is a perspective view schematically showing a modification of the compression bracket of FIG. 4 or 11.

<Description of the symbols for the main parts of the drawings>

100,300 ... steering column adjustment device 110,310 ... rake bracket

120,320 ... Compression Bracket 130,330 ... Spring

140,340 ... spring 150 ... contact block

160,360 ... tilting lever 350 ... cam block

Claims (23)

A rake bracket inserted into the long axis of the steering column shaft accommodated in the jacket and fixed to the vehicle body; A compression bracket accommodated in the lake bracket and coupled to the jacket; A spring interposed between the lower surface of the lake bracket and the jacket to elastically support the steering column shaft; An adhesion block interposed between the lake bracket and the compression bracket and having a fastening hole through which the bolt fastened to the compression bracket penetrates through the lake bracket, and presses the compression bracket by tightening the bolt; And And a tilting lever coupled to the bolt to adjust the loosening and tightening of the bolt. The method according to claim 1, The rake bracket is in the form of a hollow box, the adjustment device of the steering column, characterized in that a protrusion for fixing the spring to the inner upper portion on a flat lower surface. The method according to claim 2, And the close contact block has a first close contact with the rake bracket by tightening the bolt and a second close contact with the compression bracket. The method of claim 3, The bolt is formed in two stages so that one side coupled to the compression bracket is smaller than the other side, the one end and the other side is a steering column adjustment device, characterized in that the screw is formed in the opposite direction to each other. The method of claim 4, A screw in the same direction as the screw formed on the other side of the bolt is formed on the surface forming the fastening hole of the first contact block, The steering column adjusting device, characterized in that the screw formed in the opposite direction to the screw formed on the other side of the bolt formed on the surface forming the fastening hole of the second contact block. The method of claim 5, Steering column adjustment device, characterized in that the anti-rotation projection protrudes on the surface in close contact with the rake bracket of the first block. The method of claim 3, A bushing is further fastened to the bolt, and the bushing is in contact with a surface of the second contact block facing the first contact block. The method of claim 3, Steering column adjustment device, characterized in that the leaf spring is further interposed between the first contact block and the rake bracket. A rake bracket inserted into the long axis of the steering column shaft accommodated in the jacket and fixed to the vehicle body; A compression bracket accommodated in the lake bracket and coupled to the jacket; A spring interposed between the lower surface of the lake bracket and the jacket to elastically support the steering column shaft; A bolt which penetrates one side of the rake bracket and the compression bracket and protrudes to the other side of the rake bracket to be fastened with the nut; A cam block interposed between the lake bracket and the compression bracket and having a fastening hole through which the bolt penetrates and pressurizes the compression bracket by tightening the bolt; And And a tilting lever coupled to the bolt to adjust the loosening and tightening of the bolt. The method of claim 9, The rake bracket is in the form of a hollow box, the adjustment device of the steering column, characterized in that a protrusion for fixing the spring to the inner upper portion on a flat lower surface. The method of claim 10, The cam block includes a first cam block fixed to either the compression bracket or the rake bracket and a second cam block rotating by tightening the bolt to apply pressure to the first cam block. Steering column adjustment device. The method of claim 11, On the surfaces of the first cam block and the second cam block facing each other, a plurality of pressure protrusions spaced apart from each other protrude so that the pressure protrusions of the first cam block and the second cam block contact each other by tightening the bolts. Steering column adjustment device characterized in that the relatively pressing. The method according to claim 12, The bolt has one surface and the other surface opposite to the one surface is flat, the surface connecting the one surface and the other surface is rounded adjustment device of the steering column. 14. The method of claim 13, The fastening hole of the first cam block is circular to penetrate the bolt, The fastening hole of the second cam block is a steering column adjusting device, characterized in that the same shape as the bolt so that the bolt is fastened through. The method of claim 11, And a leaf spring is interposed between the bracket of the lake bracket or the compression bracket to which the first cam block is fixed and the first cam block. The method of claim 9, The bolt adjusting device of the steering column, characterized in that any one of the thrust bearing or bushing is inserted into the bolt. A rake bracket inserted into the long axis of the steering column shaft accommodated in the jacket and fixed to the vehicle body; A compression bracket accommodated in the lake bracket, coupled to the jacket, and having a slot formed to have a telescopic function; A spring interposed between the lower surface of the lake bracket and the jacket to elastically support the steering column shaft; A bolt which penetrates one side of the rake bracket and the slot of the compression bracket and protrudes to the other side of the rake bracket to be fastened with the nut; A cam block having a fastening hole through which the bolt is interposed between the lake bracket and the compression bracket, and pressing the compression bracket by tightening the bolt; And And a tilting lever coupled to the bolt to adjust the loosening and tightening of the bolt. 18. The method of claim 17, The cam block includes a first cam block fixed to either the compression bracket or the rake bracket and a second cam block rotating by tightening the bolt to apply pressure to the first cam block. Steering column adjustment device. 19. The method of claim 18, On the surfaces of the first cam block and the second cam block facing each other, a plurality of pressure protrusions spaced apart from each other protrude so that the pressure protrusions of the first cam block and the second cam block contact each other by tightening the bolts. Steering column adjustment device characterized in that the relatively pressing. The method of claim 19, The bolt has one surface and the other surface opposite to the one surface is flat, the surface connecting the one surface and the other surface is rounded adjustment device of the steering column. The method of claim 20, The fastening hole of the first cam block is circular to penetrate the bolt, The fastening hole of the second cam block is the steering column adjustment device, characterized in that the same shape as the bolt so that the bolt is fastened through. 19. The method of claim 18, And a leaf spring is interposed between the bracket of the lake bracket or the compression bracket to which the first cam block is fixed and the first cam block. 18. The method of claim 17, The bolt adjusting device of the steering column, characterized in that any one of the thrust bearing or bushing is inserted into the bolt.

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