KR100994959B1 - Telescopic device of steering column for vehicle - Google Patents

Telescopic device of steering column for vehicle Download PDF

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Publication number
KR100994959B1
KR100994959B1 KR1020100051655A KR20100051655A KR100994959B1 KR 100994959 B1 KR100994959 B1 KR 100994959B1 KR 1020100051655 A KR1020100051655 A KR 1020100051655A KR 20100051655 A KR20100051655 A KR 20100051655A KR 100994959 B1 KR100994959 B1 KR 100994959B1
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KR
South Korea
Prior art keywords
shaft
pipe
groove
handle
fixed
Prior art date
Application number
KR1020100051655A
Other languages
Korean (ko)
Inventor
최광주
Original Assignee
동서콘트롤(주)
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Priority to KR1020100051655A priority Critical patent/KR100994959B1/en
Application granted granted Critical
Publication of KR100994959B1 publication Critical patent/KR100994959B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/184—Mechanisms for locking columns at selected positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/185—Steering columns yieldable or adjustable, e.g. tiltable adjustable by axial displacement, e.g. telescopically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/102—Shaft arrangements; Shaft supports, e.g. bearings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Ocean & Marine Engineering (AREA)
  • Steering Controls (AREA)

Abstract

The present invention relates to a telescopic device for a steering column for a vehicle, and includes a pipe part consisting of a fixed pipe, an inner pipe, and a moving pipe fixed to the bottom of the vehicle, and a pan and tilt, and a fixed slide composed of a cutting surface, a slide groove, and a first protrusion. And a clamp consisting of a cap, a fixing groove, a second protrusion, and a fixing part, a coupling shaft, a central axis, a rotating shaft formed of an insertion shaft formed with an insertion groove and an insertion jaw, coupled with a coupling jaw corresponding to the insertion groove and the insertion jaw. A pin shaft and the bolt portion having a first shaft formed with a groove, a transmission shaft composed of a second shaft, a bolt portion coupled to the slide groove of the fixed slide and a fixed groove of the clamp on one side, and a first pin groove formed on the other side. And a plurality of washers and elastic members are coupled to the pin shaft, and the pin shaft is inwardly coupled, corresponding to the first pin groove, and a cutting surface and a contact surface having a long pin-shaped second pin groove are formed on both sides. The handle is made axis and the handle portion formed by close contact portion configured handle coupled to the cutting face of the handle shaft.
The present invention, when adjusting the height of the steering wheel of the vehicle, to form a projection such as a washboard on the slide device and the clamp to move up and down, so that the clamp does not slip in the slide device by the projection so that the slide device and the clamp even after a long time By not reducing the holding force of, there is an advantage that the height of the handle is not easily moved by its own weight.

Description

Telescopic Device Of Steering Column For Vehicle

The present invention relates to a telescopic device of a steering column for a vehicle. More specifically, the clamp and the slide device are formed even after a long time by forming a protrusion such as a washboard on a clamp and a fixed slide installed on the vehicle to adjust and fix the height of the handle of the vehicle. The steering force of the vehicle which can accurately transmit the rotational force of the rotating shaft by preventing the steering wheel from being easily moved by its own weight and preventing the rotating shaft and the transmission shaft from rotating or idling by its own weight so that the fixing force is not reduced. It relates to a telescopic device.

In general, the steering column is installed in the vehicle to adjust the height of the steering wheel of the vehicle was used by adjusting the height of the steering wheel using a device such as a slide and fixed using a handle.

In addition, the height of the handle is adjusted by using a slide device and the like, and the height of the handle is fixed by using an elastic device such as a spring, or by adjusting and fixing the height of the handle by using a device such as a gear.

However, the slide device used to adjust the height of the handle as described above, after a long time, the fixing force of the slide device is reduced, even if the user adjusts and secures the height of the handle using the slide device, the slide device is self-weighting There is a problem that the easy to move to the lower side or the locking device of the slide device is easily released.

In addition, the rotating shaft that transmits the rotational force of the handle is fixed by only one fixing device, and if a long time passes, the fixing force of the rotating shaft is reduced, there is a difference in the play of the rotating shaft and the rotation shaft does not properly transmit the rotational force of the handle there was.

The telescopic device of the steering column for a vehicle according to the present invention includes a pipe part consisting of a fixed pipe, an internal pipe, and a moving pipe, a fixed slide having a cutting surface, a slide groove, and a first protrusion, and fixed to the outside of the moving pipe of the pipe part. A cap having a C 'shape and a fixed portion formed on both sides of the cap and having a fixing groove corresponding to the slide groove and a second protrusion corresponding to the first protrusion are configured to move up and down simultaneously with the moving pipe along the slide groove. A rotating shaft consisting of a clamp, a coupling shaft, a central shaft, an insertion groove, and an insertion shaft formed with an insertion jaw, is coupled to the inside of the fixed pipe and the inner pipe of the pipe portion, and the insertion shaft of the rotation shaft is inserted into one side of the insertion groove. A first shaft formed with a corresponding coupling jaw and a coupling groove corresponding to the insertion jaw, and is integrally connected with the first shaft to the other side; A transmission shaft including a second shaft for transmitting rotational force of the rotation shaft to the wheel shaft of the vehicle, and a pin shaft coupled to the slide groove of the fixed slide and the fixed groove of the clamp on one side thereof, and a pin shaft formed with the first pin groove on the other side thereof. A handle shaft having a plurality of washers and an elastic member coupled to the bolt part and the pin shaft, the pin shaft being inwardly coupled, and a cutting surface and a contact surface formed at both sides to form a second pin groove having a long hole shape corresponding to the first pin groove; It consists of a handle portion consisting of a handle formed in close contact with the cutting surface of the handle shaft.

As described above, when the steering wheel height of the vehicle is adjusted, a protrusion such as a washboard is formed on a fixed slide and a clamp that moves and fixes up and down, so that the slide and the clamp do not slip by the protrusion, so that a long time is maintained. Since the fixing force of the slide and the clamp does not decrease even after passing, the handle is not easily moved by its own weight.

In addition, an insertion groove, a coupling jaw and a coupling groove corresponding to the insertion jaw are formed in the rotation shaft that transmits the rotational force of the handle and the rotation shaft, so that the rotation shaft and the transmission shaft do not rotate the wheels, thereby transmitting the rotation shaft and the transmission shaft. It is possible to accurately transmit the rotational force of the shaft to the engine, there is an advantage to prevent the damage of the rotation shaft and transmission shaft.

In addition, by forming an inner groove for fixing the bearing inside the fixed pipe and a bearing housing for fixing the bearing inside the moving pipe, the wear of the bearing can be reduced while rotating the rotating shaft and the transmission shaft more easily. have.

In addition, there is an advantage that the handle coupled to the handle shaft can be easily rotated by forming a free cutting surface on the handle shaft to fix the position of the moving pipe or the rotating shaft.

In addition, by forming an elastic member of the urethane material to the handle for adjusting and fixing the height of the handle by using the handle, there is an advantage of preventing the damage of the handle by the elastic member and does not reduce the fixing force of the handle.

1 is a perspective view showing a telescopic device of the present invention a steering column for a vehicle.
Figure 2 is a partial cross-sectional view showing a telescopic device of the present invention steering column for the vehicle.
Figure 3 is an exploded perspective view showing a pipe portion of the present invention.
Figure 4 is a perspective view of the fixed slide of the present invention.
Figure 5 is an exploded perspective view of the pipe portion, the fixed slide, the clamp, the handle portion of the present invention.
Figure 6 is an exploded perspective view of the rotating shaft, the transmission shaft of the present invention.
Figure 7 is an exploded perspective view showing a telescopic device of the present invention steering column.

Looking at the configuration of the present invention for achieving the above object is as follows.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

The telescopic device 100 of the steering column for a vehicle according to the present invention is a pipe portion 10, the fixed slide 20, the clamp 30, the rotating shaft 40, the transmission shaft 50, as shown in Figs. ), The handle portion 60 is configured.

First, the pipe part 10 of the fixed pipe 11 is fixed to the bottom of the vehicle and the pan and tilt of the inner pipe 12 and the inner pipe 12 is fixed to the upper inside of the fixed pipe 11 It is composed of a moving pipe 13 which is coupled to the upper outer side and moved up and down.

Here, the bearing is coupled to the fixed pipe (11), the inner pipe 12 is formed to further include an inner groove (12a), the moving pipe 13, the bearing house (13a) and the coupling device (13b) ) Is preferably further included to form.

In addition, the fixed slide 20 has a cutting surface 21 formed to be in close contact with an outer upper side of the fixed pipe 11 formed on the pipe part 10 on one side, and a slide groove 22 is formed therein, A first protrusion 23 is formed around the slide groove 22.

In addition, the clamp 30 has a 'C' shaped cap 31 fixed to the outside of the moving pipe 13 of the pipe part 10, and formed on both sides of the cap 31 and the slide groove ( A fixing portion 34 having a fixing groove 32 corresponding to 22 and a second protrusion 33 corresponding to the first protrusion 23 is formed at the same time as the moving pipe 13 along the slide groove 22. It is configured to move down.

The rotating shaft 40 is coupled to the inside of the moving pipe 13 of the pipe part 10 and exposed to the upper side of the moving pipe 13 so that the rotating shaft 40 is rotated by being coupled to a handle that adjusts the direction of the vehicle to one side. Coupling shaft 41 is formed, the central shaft 42 is formed integrally connected with the coupling shaft 41, the central shaft 42 is integrally connected with a plurality of insertion grooves 43 and the insertion jaw ( The insertion shaft 45 having the 44 formed thereon is configured to move up and down along the moving pipe 13.

Here, the outer side of the coupling shaft 41 may be formed to have an uneven shape.

In addition, the transmission shaft 50 is coupled to the inside of the fixed pipe 11 and the inner pipe 12 of the pipe portion 10 and the insertion shaft 45 of the rotary shaft 40 is inserted into one side is inserted into the inside. A first shaft 53 formed with a coupling jaw 51 corresponding to the groove 43 and a coupling groove 52 corresponding to the insertion jaw 44, and is integrally connected to the first shaft 53 to the other side; And a second shaft 54 for transmitting the rotational force of the rotary shaft 40 to the engine of the vehicle.

Here, it is preferable to further include the auxiliary shaft 55 in the transmission shaft 50.

In addition, the handle portion 60 is formed with a bolt portion 61 coupled to the slide groove 22 of the fixed slide 20 and the fixed groove 32 of the clamp 30 to one side and the first pin groove to the other side. A plurality of washers a and an elastic member b are coupled to the pin shaft 63, the bolt portion 61, and the pin shaft 63 on which the 62 is formed, and the pin shaft 63 is coupled inwardly. A handle shaft 67 in which a cutting surface 65 and a contact surface 66 are formed at both sides, and a cutting surface 65 in which a second pin groove 64 having a long hole shape corresponding to the one pin groove 62 is formed, and a cutting surface 65 of the handle shaft 67. It consists of a handle 69 is formed in the close contact portion 68 is coupled to).

In this case, it is preferable that the handle shaft 67 is formed to further include a clearance cutting surface 67a.

In addition, the handle 69 may further include a vertical surface 69a and an inclined surface 69b.

Looking at the operation according to a preferred embodiment of the present invention having the configuration as described above are as follows.

First, as shown in FIGS. 5 to 7 to fix the fixed slide 20 to the upper side of the fixed pipe 11 of the pipe portion 10, the cutting surface 21 formed on the fixed slide 20 To the upper side of the fixed pipe 11, the fixed pipe 11 and the fixed slide 20 is fixed by welding.

Then, one side of the inner pipe 12 is inserted into the upper inside of the fixed pipe 11 to fix the inner pipe 12 to the fixed pipe 11 and move to the upper outside of the inner pipe 12. ).

Here, when the inner pipe 12 is fixedly coupled to the fixed pipe 11, it can be fixed by various methods such as welding.

In addition, an inner groove 12a may be formed in the inner pipe 12 to couple a bearing (not illustrated).

At this time, when the bearing is fixedly coupled to the inner pipe 12, a snap ring (not shown in the drawing) or the like may be used to prevent the bearing from being separated from the inner pipe 12 by its own weight or rotational force.

In addition, the bearing can also be coupled to the fixed pipe 11 using the same method as described above.

Meanwhile, the bearing housing 13a is positioned and fixedly coupled to an arbitrary position inside the moving pipe 13. In order to fix the bearing housing 13a, the moving pipe 13 in which the bearing housing 13a is positioned is fixed. A hole (not shown in the drawing) is formed at the point of and the hole is filled by the welding method, so that the bearing house 13a is fixed to the moving pipe 13.

Here, the point where the bearing house (13a) is located to be located higher than the fixed slide 20 is coupled to the fixed pipe (11), which is the mobile pipe 13 in the upper side of the inner pipe (12) To prevent the phenomenon that the bearing pipe (13a) is caught by the inner pipe 12 when moving downward, the moving pipe 13 does not move.

Then, the clamp 30 is to be coupled to the outside of the moving pipe 13 of the pipe part 10, the moving pipe 13 to the 'C' shaped cap 31 formed on the clamp 30 It is assumed that the shape is inserted.

Here, the position at which the clamp 30 is installed in the moving pipe 13 is located at the bottom of the slide groove 22 of the fixed slide 20 when the moving pipe 13 is moved to the lowest side along the inner pipe 12. The clamp 30 is positioned at the lower portion of the moving pipe 13 at a point where the lowermost portion and the fixing groove 32 of the clamp 30 correspond to each other.

This is to allow the clamp 30 to move up and down along the slide groove 22 of the fixed slide 20.

In addition, when the clamp 30 is coupled to the fixed slide 20, the fixed slide 20 is positioned between the pair of fixed parts 34 formed in the clamp 30, and the fixed slide 20 The first protrusion 23 and the second protrusion 33 of the clamp 30 are in close contact with each other.

Then, the washer (a) and the elastic member (b) is coupled to the bolt portion 61 or the pin shaft 63 formed on the handle portion 60, and the bolt portion 61 slides on the fixed slide 20. It is coupled to the fixing groove 32 of the groove 22 and the clamp 30 and fixed with a nut (not shown).

Then, the handle shaft 67 is coupled to the pin shaft 63, wherein the first pin groove 62 formed on the pin shaft 63 and the second pin groove 64 formed on the handle shaft 67 correspond to each other. do.

Here, the bolt portion 61 and the pin shaft 63 may be manufactured in the same size, but are formed in a different size, respectively, the slide groove 22 of the fixed slide 20 and the fixing groove 32 of the clamp 30. In order to take a large pin shaft (63) in size so that the bolt portion 16 or the pin shaft (63) does not move easily.

In addition, when coupling the handle shaft 67 to the pin shaft 63, a space is generated between the fixing portion 34 of the clamp 30 in the handle shaft 67, a plurality of spaces depending on the spacing of the space The washer (a) or elastic member (b) to be coupled to the bolt portion 61 or the pin shaft (63),

In addition, the second pin groove 64 formed in the handle shaft 67 is formed in the long hole shape, the handle shaft 67 can be moved at a predetermined interval from the pin shaft 63, washer (a) according to the interval And by combining a plurality of elastic members (b) washer (a), elastic member (b), the handle shaft 67 can be firmly in close contact with the fixing portion 34 of the clamp (30).

Then, the close contact portion 68 formed on the handle 69 is in close contact with the cut surfaces 65 formed on both sides of the handle shaft 67, and then the first pin groove 62 and the handle shaft 67 formed on the pin shaft 63. A pin (not shown in the figure) is coupled to the second pin groove 64 formed in the) to fix the handle 69.

Here, it is obvious that the handle 69 is provided with a groove (not shown) such as a first pin groove 62 and a second pin groove 64 to which a pin is coupled.

Meanwhile, the rotation shaft 40 and the transmission shaft 50 are coupled to each other. When the insertion shaft 45 formed on the rotation shaft 40 is inserted into the first shaft 53 formed on the transmission shaft 50, The insertion groove 43 and the insertion jaw 44 formed on the insertion shaft 45 are coupled to correspond to the coupling jaw 51 and the coupling groove 52 formed on the first shaft 53.

Then, the first shaft 53 is inserted in the direction of the fixed pipe 11 in the moving pipe 13 of the pipe part 10 or in the opposite direction.

At this time, a bearing is located in the fixed pipe 11, the inner pipe 12, and the moving pipe 13, so that the rotation shaft 40 and the transmission shaft 50 are inserted into the bearing.

In addition, the coupling shaft 41 formed on the rotation shaft 40 is coupled to a handle (not shown in the drawing) for adjusting the direction of the vehicle, and the second shaft 54 formed on the transmission shaft 50 is the wheel of the vehicle. Connect with the wheel shaft (not shown) to adjust the direction of the.

Here, the auxiliary shaft 55 is further formed at the position of the transmission shaft 50 to which the rotation shaft 40 is coupled when the rotation shaft 40 and the transmission shaft 50 are coupled, so that the transmission shaft 50 is Preventing damage due to the rotational force of the rotary shaft 40, and to increase the bearing capacity of the rotary shaft 40 and the transmission shaft (50).

In addition, when the auxiliary shaft 55 is coupled to the direction of the first shaft 53 of the transmission shaft 50, the insertion groove 43 formed in the insertion shaft 45 in the same manner as the first shaft 53, The coupling jaw 51 and the coupling groove 52 corresponding to the insertion jaw 44 are formed.

In addition, when the auxiliary shaft 55 is coupled to the first shaft 53 of the transmission shaft 50, the first shaft 53 and the auxiliary shaft 55 to be coupled in an interference fit manner, the auxiliary shaft The 55 is not easily separated from the first shaft 53 by its own weight.

Then, the coupling shaft 41 formed on the rotating shaft 40 to be exposed to the upper side of the moving pipe 13 of the pipe portion 10, the outer side of the coupling shaft 41 is produced in the uneven shape handle (drawings) (Not shown) to facilitate coupling.

On the other hand, after combining the respective components as described above, to couple the coupling device 13b to the moving pipe 13 of the pipe portion 10, the coupling device 13b is a clamp coupled to the moving pipe 13 And a general cover (not shown) to protect the body when the pipe (not shown) hits the driver's body. To combine.

Then, when the respective configurations are completely coupled, the fixed pipe 11 of the pipe portion 10 and the second shaft 54 of the transmission shaft 50 is coupled to the wheel shaft of the vehicle, the fixed pipe 11 It is obvious that the driver is fixed to a device that is panned and tilted (not shown in the drawing) so that the driver can adjust the front, rear, left and right angles of the steering wheel.

After combining the pipe unit 10, the fixed slide 20, the clamp 30, the rotating shaft 40, the transmission shaft 50, the handle 60 as described above, the driver to install in the vehicle and move the vehicle The height of the handle will be adjusted according to the height of.

In detail, when the inclined surface 69b formed on the handle 69 is positioned in parallel with the contact surface 66 formed on the handle shaft 67, the handle 69 rotates at a predetermined angle, The contact surface 66 of the inclined surface 69b and the handle shaft 67 is spaced apart, and the pair of fixing portions 34 formed in the clamp 30 are opened to open the fixing portion 34 and the fixing slide 20. The space between) is generated, so that the moving pipe 13 can be easily moved to the upper side or the lower side.

In addition, the handle shaft 67, the washer (a), the elastic member (b) formed in the handle portion 60 are firmly in close contact with each other, and slightly spaced apart by the space due to the moving pipe 13 ), The inner pipe 12, the clamp 30 and the like can be easily moved.

Thus, when the moving pipe 13 is moved upward or downward, the coupling shaft 41 formed on the rotating shaft 40 while the rotating shaft 40 coupled to the inside of the moving pipe 13 moves upward. , The central shaft 42, the insertion shaft 45 is moved up and down inside the first shaft 53 formed on the transmission shaft 50.

Here, it is obvious that the insertion shaft 45 is not completely separated from the first shaft 53 even when the insertion shaft 45 moves upward.

In addition, when the moving pipe 13 and the rotating shaft 40 and the transmission shaft 50 of the pipe portion 10 moves upward or downward, the clamp 30 coupled to the moving pipe 13 simultaneously Will move.

At the same time, the movable pipe 13 moves upward or downward along the inner pipe 12, and the pin shaft 63 coupled to the slide groove 22 of the fixed slide 20 moves the slide groove 22. Therefore, it will move up and down.

As described above, the handle 69 of the handle portion 60 is rotated to position the inclined surface 69b formed on the handle 69 in parallel with the contact surface 66 formed on the handle shaft 67, thereby moving the pipe 13 And the height of the rotating shaft 40, the handle 69 is returned to its original position to fix the position of the moving pipe 13 and the rotating shaft 40.

In detail, the handle 69 rotates the handle 69 in which the contact surface 66 of the handle shaft 67 formed on the handle part 60 and the inclined surface 69b of the handle 69 are located in parallel. The vertical surface 69a formed in the contact surface 66 formed on the handle shaft 67 is parallel to each other.

Then, as the handle shaft 67 formed on the handle portion 60 moves in the direction of the fixing portion 34 of the clamp 30, the washer (a) and the elastic member (b) are fixed portions of the clamp 30. It moves in the direction of (34).

In addition, the elastic member (b) is made of a urethane material, it is possible to prevent the damage caused by the friction between the clamp 30 and the handle portion (60).

Thus, the clamp 30, the handle portion 60 is firmly in close contact with the moving pipe 13 is firmly fixed at the point where the driver is located.

On the other hand, the second pin groove 64 formed in the handle shaft 67 of the handle portion 60 is formed in the long hole shape, the handle shaft 67 by the second pin groove 64 in the fixed portion 34 direction Or it can be easily moved in the opposite direction, it will be able to adjust the close contact between the clamp 30, the handle portion 60.

In addition, when the clamp 30 and the handle portion 60 are in close contact as described above, the first protrusion 23 formed on the fixed slide 20 and the second protrusion formed on the fixed portion 34 of the clamp 30 As the 33 is engaged with each other, the fixed portion 34 of the clamp 30 does not easily slide on the fixed slide 20 even after a long time, so that the moving pipe 13, the inner pipe 12, The adhesion between the fixed slide 20, the clamp 30, the handle portion 60 is not reduced, it is possible to maintain a good adhesion for a long time.

In addition, the auxiliary shaft 55 formed on the transmission shaft 50 is formed to reinforce the insertion shaft 45 of the rotary shaft 40 and the first shaft 53 of the transmission shaft 50 from the outside. The breakage of the insertion shaft 45 and the transmission shaft 50 of the rotation shaft 40 can be prevented.

In addition, the insertion groove 43 and the insertion jaw 44 formed in the insertion shaft 45 of the rotary shaft 40 is coupled to the coupling jaw 51 and the coupling groove formed on the first shaft 53 of the transmission shaft 50 ( 52 is formed to correspond to each other, so that the rotary shaft 40 and the transmission shaft 50 does not run, so that the rotational force of the rotary shaft 40 and the transmission shaft 50 can be transmitted as it is to the wheel shaft.

In addition, the insertion groove 43, the insertion jaw 44, the coupling jaw 51, the coupling groove 52 is located at each side and each vertex, the insertion shaft 45 and the first shaft 53 By increasing the adhesion and the support force with the), it is possible to prevent the breakage of the insertion groove 43, the insertion jaw 44, the coupling jaw 51, the coupling groove 52 and increase the rotational force and the support force.

And, when rotating the handle 69 of the handle portion 60, by forming a clearance cutting surface (67a) on the handle shaft 67 connected to the handle 69, the handle 69 is the handle shaft 67 It will be able to rotate conveniently without getting caught.

10 pipe portion 11: fixed pipe
12: inner pipe 13: moving pipe
20: fixed slide 21: cutting surface
22: slide groove 23: first projection
30: clamp 31: cap
32: fixing groove 33: second projection
34: fixed portion 40: rotation axis
41: coupling axis 42: central axis
43: insertion groove 44: insertion jaw
45: insertion shaft 50: transmission shaft
51: coupling jaw 52: coupling groove
53: first axis 54: second axis
60: handle portion 61: bolt portion
62: first pin groove 63: pin shaft
64: second pin groove 65: cutting surface
66: handle shaft 67: close contact
68: handle
100: Telescopic device of the vehicle steering column.

Claims (8)

A fixed pipe 11 fixed to the bottom of the vehicle and panned and tilted, and an inner pipe 12 fixed to the upper inner side of the fixed pipe 11 and an upper outer side of the inner pipe 12 are moved up and down. Pipe portion 10 consisting of a moving pipe 13 to be;
A cutting surface 21 is formed to be in close contact with an outer upper side of the fixed pipe 11 formed at the pipe part 10 to one side, and a slide groove 22 is formed therein, and around the slide groove 22. A fixed slide 20 having a first protrusion 23 formed thereon;
Cap 31 of the 'C' shape is fixed to the outside of the moving pipe 13 of the pipe portion 10, and a fixed groove formed on both sides of the cap 31 and corresponding to the slide groove 22 ( The clamp 30 configured to move the up and down simultaneously with the moving pipe 13 along the slide groove 22, the fixing part 34 having the second protrusion 33 corresponding to the first protrusion 23 and 32. );
A coupling shaft 41 coupled to the inside of the moving pipe 13 of the pipe part 10 and exposed to an upper side of the moving pipe 13 so as to be rotated by being coupled to a handle for adjusting the direction of the vehicle to one side; A central shaft 42 integrally connected with the coupling shaft 41 and an insertion shaft 45 connected integrally with the central shaft 42 and having a plurality of insertion grooves 43 and insertion jaw 44 formed therein; Rotation axis 40 is configured to move up and down along the moving pipe 13;
The coupling pipe 45 is coupled to the inside of the fixed pipe 11 and the inner pipe 12 of the pipe part 10 and the insertion shaft 45 of the rotation shaft 40 is inserted into one side thereof and corresponds to the insertion groove 43. The first shaft (53) formed with a coupling groove (52) corresponding to the 51 and the insertion jaw (44), and the other side is formed integrally connected with the first shaft (53), A transmission shaft 50 composed of a second shaft 54 for transmitting the rotational force to the wheel shaft of the vehicle;
A pin shaft 63 having a bolt portion 61 coupled to the slide groove 22 of the fixed slide 20 and the fixed groove 32 of the clamp 30 is formed at one side, and the first pin groove 62 is formed at the other side. ) And a plurality of washers (a) and elastic members (b) are coupled to the bolt portion 61 and the pin shaft 63, the pin shaft 63 is coupled to the inside, and correspond to the first pin groove 62, the long hole A handle shaft 67 in which a cutting surface 65 and a contact surface 66 having a second pin groove 64 having a shape are formed at both sides, and a close contact portion 68 coupled to the cutting surface 65 of the handle shaft 67. Telescopic device of a steering column for a vehicle, characterized in that consisting of a handle portion 60 consisting of a handle 69 is formed.
The telescopic device of claim 1, wherein a bearing is coupled to the fixed pipe (11) of the pipe part (10).
The telescopic device of claim 1, wherein the inner pipe (12) of the pipe part (10) further includes an inner groove (12a).
The telescopic device according to claim 1, wherein the moving pipe (13) of the pipe part (10) further comprises a bearing housing (13a) and a coupling device (13b).
The telescopic device of claim 1, wherein the outer side of the coupling shaft (41) of the rotation shaft (40) is formed in an uneven shape.
The telescopic device of claim 1, wherein the transmission shaft (50) further comprises an auxiliary shaft (55).
The telescopic device of claim 1, wherein the handle shaft (67) of the handle part (60) is further provided with an additional cutting surface (67a).
The telescopic device of claim 1, wherein the handle 69 of the handle part 60 further includes a vertical surface 69a and an inclined surface 69b.
KR1020100051655A 2010-06-01 2010-06-01 Telescopic device of steering column for vehicle KR100994959B1 (en)

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KR1020100051655A KR100994959B1 (en) 2010-06-01 2010-06-01 Telescopic device of steering column for vehicle

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KR1020100051655A KR100994959B1 (en) 2010-06-01 2010-06-01 Telescopic device of steering column for vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111532329A (en) * 2020-04-07 2020-08-14 宁波吉利汽车研究开发有限公司 Method for determining operation force of steering column adjusting handle and steering column

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100408774B1 (en) 1997-12-30 2004-02-14 주식회사 만도 Structure for steering column with tilt and telescopic functions
KR100738445B1 (en) 2003-12-10 2007-07-11 주식회사 만도 Tilting and telescopic locking apparatus of steering column

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100408774B1 (en) 1997-12-30 2004-02-14 주식회사 만도 Structure for steering column with tilt and telescopic functions
KR100738445B1 (en) 2003-12-10 2007-07-11 주식회사 만도 Tilting and telescopic locking apparatus of steering column

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111532329A (en) * 2020-04-07 2020-08-14 宁波吉利汽车研究开发有限公司 Method for determining operation force of steering column adjusting handle and steering column

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