KR101738028B1 - Button Style Tilt Lever of a Steering Column - Google Patents

Abstract

The present invention relates to a tilting lever structure of a steering column, which simplifies the structure of a tilting lever to reduce manufacturing cost and improves operational performance by eliminating interference caused by wiring during lever operation, The present invention relates to a button type tilting lever structure.
More specifically, according to the present invention, there is provided a steering column comprising: a column bracket formed on an upper portion of a steering column for supporting the steering column; a lower bracket formed on a lower portion of the column bracket, A guide bracket having a plurality of angular adjustment grooves for adjusting a tilting angle of the steering column by being coupled to the steering column, A push rod which is engaged with the lock bar and which is engaged with or disengaged from any one of the lock bars and the plurality of angle adjusting grooves due to the movement of the lock bar, A button-type steering column tilting lever which is formed at a lower end of the push rod and includes a button portion for controlling the movement of the push rod; Provide references.

Description

[0001] The present invention relates to a button-type steering column tilting lever structure,

The present invention relates to a tilting lever structure of a steering column, which simplifies the structure of a tilting lever to reduce manufacturing cost and improves operational performance by eliminating interference caused by wiring during lever operation, The present invention relates to a button type tilting lever structure.

The steering apparatus of the vehicle changes the direction of alignment of the front wheels so as to adjust the running direction of the vehicle by adjusting the front wheel or the four wheels of the vehicle to appropriate angles in order to arbitrarily change the traveling direction of the running vehicle. The steering operation force is transmitted to the steering gear and the link and the knuckle arm of the wheel is rotated, thereby changing the traveling direction of the vehicle.

The steering wheel, which is one of the steering devices, is configured to be able to tilt and steer freely according to the body shape and driving habit of the driver. To this end, a tilting lever for adjusting the tilting angle of the steering wheel is mounted on the lower portion of the steering wheel of the vehicle.

For example, when the tilting operation of the tilting mechanism mounted on the telescopic steering apparatus is manual, a tilting lever protruding from the side surface of the steering column is operated to adjust the tilting lever according to the mechanical geometry of the tilting apparatus. The cam type tilting apparatus generally uses a cam force system that converts the tilting lever operating force into a locking force through a force against the operating force according to the kinematic geometry of the cam that transmits the operating force of the tilting lever. So that the transmission efficiency of the operation force is low and the operation force transmission path is structurally complicated.

In addition, the tilting lever having such a structure enables the tilting of the steering wheel only by a complicated component such as a cam connected to the tilting lever, so that it is difficult to manufacture due to its complicated structure and its manufacturing cost is high. And the operation is incomplete.

1A, an external view of a tilting lever to which a rotary tilting lever structure according to the related art is applied is shown. In such a rotary tilting lever structure, a space for rotating the tilting lever is secured, It has been common to form a shape of a column of a steering column shroud. As a result, it is disadvantageous in terms of aesthetic appearance due to the curved shroud shape and protruded tilting lever, and there is a problem that the operation space is insufficient and the operation method becomes inconvenient when the lever is operated.

Accordingly, there is a demand for a tilting lever structure that has a simpler structure, but also prevents wiring interference and improves operability.

SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems of the prior art described above, and provides a button type tilting lever structure that simplifies the structure of a tilting lever to eliminate interference due to wiring during operation of the tilting lever, It has its purpose.

It is another object of the present invention to provide a button-type tilting lever structure that improves the interior appearance of a vehicle by improving the quality of a vehicle by adopting a lever type lever structure that is out of the conventional rotary lever structure.

The technical objects to be achieved by the present invention are not limited to the above-mentioned technical problems, and other technical subjects which are not mentioned can be clearly understood by those skilled in the art from the description of the present invention .

According to an aspect of the present invention, there is provided a steering column comprising: a column bracket formed on a steering column for supporting the steering column; A guide bracket having a plurality of angle adjusting grooves for adjusting a tilting angle of the steering column by fastening or releasing the bar, a guide bracket for fastening the guide bracket to any one of the plurality of angle adjusting grooves, A lock bar which is released or released to control the tilting of the steering column, a lock bar which is engaged with the lock bar and which is engaged with any one of the lock bar and the plurality of angle adjusting grooves due to its movement, And a button portion which is formed at a lower end of the push rod and which controls the movement of the push rod, Provides a tilting column tilting lever structure.

The present invention preferably further includes at least one return spring for imparting a restoring force to lock the lock bar in any one of the plurality of angle adjusting grooves.

The present invention preferably further includes a support bracket supporting the push rod and guiding the movement of the push rod to the guide bracket.

In the present invention, it is preferable that the guide bracket is formed of a pair of brackets spaced from each other with respect to the center of the steering column.

Preferably, the tilting angle of the steering column is adjusted according to the order of the plurality of angle adjusting grooves of the guide bracket.

According to the present invention, there is an effect of simplifying the structure of the tilting lever, basically eliminating the interference due to wiring in the operation of the lever, reducing the kinds and quantity of parts required for the tilting lever structure, and reducing the manufacturing cost.

In addition, according to the present invention, by adopting the lever type lever structure which is out of the conventional rotary lever structure, the internal appearance of the vehicle is improved, thereby improving the quality of the vehicle and raising the satisfaction of the customer.

Fig. 1A is an exemplary view showing the appearance of a tilting lever according to the prior art; Fig.
FIG. 1B is an exemplary view showing an appearance of a button type tilting lever according to an embodiment of the present invention; FIG.
FIG. 2A and FIG. 2B are views showing an example of a structure of a button-type steering column tilting lever according to an embodiment of the present invention. FIG.
FIGS. 3A to 3D are diagrams showing an example of stepwise operation of a button steering column tilting lever structure according to an embodiment of the present invention; FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

FIG. 1A is an exemplary view showing an outer appearance of a tilting lever according to the related art, and FIG. 1B is an exemplary view showing an outer appearance of a button type tilting lever according to an embodiment of the present invention.

Referring to FIG. 1A, a rotary tilting lever structure is shown. The rotary tilting lever structure has a shape in which a steering column shroud is formed on a tilting lever, . As a result, it is disadvantageous in terms of aesthetic appearance due to the curved shroud shape and protruded tilting lever, and there is a problem that the operation space is insufficient and the operation method becomes inconvenient when the lever is operated.

1B, the present invention does not adopt a rotary tilting lever structure of the prior art, but adopts a button-type tilting lever structure so that it is not necessary to secure a space for rotating the tilting lever on the outer surface, It is not necessary to form the wood shape.

If the lever is formed by the button unit 110 as described above, it is advantageous in terms of aesthetic view, and the driver can easily adjust the angle of the steering wheel by pressing the button, thereby improving the convenience of operation.

2A and 2B are views illustrating an example of a structure of a button-type steering column tilting lever according to an embodiment of the present invention.

The button-type steering column tilting lever structure of the present invention includes a column bracket 170 formed on a steering column 180 for supporting the steering column 180, A guide bracket 140 formed at a lower portion of the guide bracket 140 and having a plurality of angle adjusting grooves for adjusting a tilting angle of the steering column by fastening or releasing the lock bar, A lock bar (130) for locking or unlocking the tilting of the steering column by being engaged with or disengaging from any one of the tilting grooves, a lock bar (130) fastened to the lock bar, A push rod 120 to be engaged with or disengaged from any one of the grooves, and a button portion 110 formed at a lower end of the push rod and controlling the movement of the push rod .

The button unit 110 may be mounted on a lower portion of the steering wheel, and it is not necessary to form a shroud when the tilting lever structure is formed by a button operation as described above. The driver can adjust the tilting angle of the steering column 180 by pressing the button unit 110. The button unit 110 is connected to the push rod 120 and is connected to the lock bar 120, (130) and the guide bracket (140).

The button unit 110 may be formed of a material having elasticity, such as rubber or plastic having low hardness, for the operator's convenience.

The push rod 120 transmits the operation input of the button unit 110 to the lock bar 130. That is, the push rod 120 is vertically moved by the operation of the button unit 110 to move the lock bar 130 away from the angle adjusting groove 141 of the guide bracket 140 .

The present invention may include a support bracket 160 supporting the push rod 120 and guiding the movement of the push rod 120 to the guide bracket 140. The support bracket 160 may be fixedly coupled to the guide bracket 140 so that the push bracket 120 is not affected by the vertical movement of the push rod 120.

The guide bracket 140 may include a plurality of angle adjusting grooves for adjusting a tilting angle of the steering column by fastening or releasing the guide bar 140 with respect to the lock bar 130, A pair of brackets spaced apart from each other.

The lock bar 130 is formed in a bar shape so that one end of the lock bar 130 is engaged with the push rod 120 and the other end of the lock bar 130 is engaged with the angle adjusting groove 141 of the guide bracket 140, The tilting of the steering column 180 is prevented by the engagement with the angle adjusting groove 141 and the tilting of the steering column 180 is performed by releasing the tilting of the steering column 180 do.

That is, since the lock bar 130 is vertically moved and moved by the movement distance of the push rod 120, which is vertically moved by pressing the button portion 110 by the driver, When the driver pushes the button portion 110 again, the lock bar 130 moves vertically downward by the moving distance of the push rod 120 moving downward, so that the lock bar 130 can be naturally fastened to the angle adjusting groove 141 . At this time, at least one return spring 130 may be provided so that the lock bar 130 can be more tightly engaged with the angle adjusting groove 141.

The angle of the tilting angle of the steering column 180 may be adjusted according to the order of the angle adjusting grooves 141. In this case, have.

That is, when the lock bar 130 is engaged with the angle adjusting groove located near the steering column 180, the tilting angle of the steering column decreases. That is, when the lock bar 130 is locked in the angle adjusting groove located farther from the steering column 180 When the bar 130 is engaged, the tilting angle of the steering column becomes large.

As described above, the button steering column tilting lever structure of the present invention includes the button portion 110, the push rod 120, the lock bar 130, and the guide bracket 140 having the angle adjusting groove, This structure excels interference of wiring, improves the operability of the tilting lever, and is also advantageous in view of the vehicle aesthetics on the driver's seat side.

FIGS. 3A to 3D are views illustrating an operation of the button-type steering column tilting lever structure according to an embodiment of the present invention.

3A shows a tilting lever structure in a state where the steering wheel is fixed and a lock bar 130 fastened to an end of the push rod 120 is inserted into a plurality of angle adjusting grooves 141 of the guide bracket 140 It is possible to confirm the state in which it is fastened to one of the grooves.

At this time, when the driver pushes the button portion 110, the push rod 120 moves upward, so that the lock bar 130 also moves upward by the distance that the push rod 120 moves, (See Fig. 3B).

When the engagement between the lock bar 130 and the angle adjusting groove 141 is released, the steering column 180 can be tilted up and down.

When the driver adjusts the tilting angle of the steering column 180 to suit his or her body shape, the lock bar 130 also vertically ascends or descends as shown in FIG. 3C.

At this time, when the driver pushes the button unit 110 continuously, the push rod 120 moves downward and accordingly the lock bar 130 also moves downward by the distance that the push rod 120 moves, The steering column 180 is fixed while being coupled with the angle adjusting groove 141. When the driver releases the button 110, the fixing is completed (see FIG. 3D).

When the lock bar 130 is engaged with the angle adjusting groove 141, the tightening force can be further strengthened by the return spring and the fixing force of the steering column 180 can be enhanced.

As described above, according to the present invention, after the driver pushes the button, it is possible to easily operate in the order of i) departure of the groove, ii) free movement of the lock bar, iii) completion of movement of the lock bar, iv) It is possible to provide a button type tilting lever structure in which the structure is not complicated, the manufacturing cost is reduced, and the beauty inside the vehicle is improved.

Although the present invention has been described in connection with the specific embodiments of the present invention, it is to be understood that the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. Various modifications and variations are possible.

100: Rotary lever
110: button portion
120: push rod
130: Rock Bar
140: Guide bracket
141: Angle adjusting groove
150: return spring
160: Support Bracket
170: Column bracket
180: Steering column

Claims (5)

A column bracket formed on an upper portion of a steering column and supporting the steering column;
A guide bracket formed at a lower portion of the column bracket and having a plurality of angle adjusting grooves for adjusting a tilting angle of the steering column by fastening or releasing the lock bar;
A lock bar coupled to one of the plurality of angle adjusting grooves of the guide bracket to release tilting of the steering column;
A push rod which is engaged with the lock bar and engages or disengages with any one of the lock bar and the plurality of angle adjusting grooves due to its own movement;
A button portion formed at a lower end of the push rod and controlling movement of the push rod; And
A support bracket supporting the push rod and guiding movement of the push rod to the guide bracket;
A steering column tilting lever structure including a button-type steering column.
The method according to claim 1,
Further comprising at least one return spring for applying a restoring force to lock the lock bar in any one of the plurality of angle adjusting grooves.
delete The apparatus according to claim 1, wherein the guide bracket
And a pair of brackets spaced apart from each other with respect to a center of the steering column.
The method according to claim 1,
Wherein the tilting angle of the steering column is adjusted according to a sequence of arranging the plurality of angle adjusting grooves of the guide bracket.

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