KR940007893Y1 - Releasing and engaging device using steering wheel - Google Patents

Abstract

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Description

Steering Wheel Release and Engagement

1 is an exploded view showing a steering wheel release and engagement device according to the present invention.

FIG. 2 is a longitudinal cross-sectional view of the present invention showing the engagement block assembly at an upper limit, ie in a release position, at which the steering wheel is released from the steering axis.

3 is a longitudinal cross-sectional view of the present invention, similar to that of FIG. 2, showing the working block and a number of engagement balls in a position where the engagement block assembly can be lowered to its lower limit, ie the engagement position.

4 is a view similar to that of FIG. 2, in a longitudinal cross-sectional view of the present invention showing the lower limit of engagement of the steering wheel with the steering shaft, i.e. the engagement block assembly in the engaged position.

5 is a cross-sectional view taken along line VII-VII of FIG. 2 showing the interrelationship between a number of engaging balls and other elements.

FIG. 6 is a cross sectional view similar to FIG. 5, and taken along the line VII-VII of FIG.

FIG. 7 is a cross-sectional view along line VII-VII of FIG. 4, similar to FIG.

* Explanation of symbols for main parts of the drawings

10: external housing 20: lower part

22: steering shaft 24: ball guide recess

30: upper 32: ball guide groove

34: limited recess 40: engaging block

42: ball guide hole 48: engaging ball

62: ball limited groove 64: fixed ball

70: steering wheel 84: rocker arm

86: slot 560: upper part

566: pinhole

The present invention relates to a steering wheel locking device, and more particularly, to an apparatus for engaging or releasing a steering shaft assembly by operating an actuating block of the engaging block assembly.

While releasing or engaging the engagement block assembly to the steering shaft assembly, the engagement block assembly becomes slidable in the longitudinal direction within the steering shaft assembly between the upper and lower limits.

The lock assembly is releasably fastened to the top of the engagement block assembly and moves together.

A series of steering wheel locks is disclosed in application number 07 / 224,386 filed June 26, 1988 by the applicant.

In the cited application, the annular bolt is moved laterally by rotating the key to limit the longitudinal movement between the steering wheel and the steering axis, thus engaging the steering wheel with the steering axis. Release).

The steering wheel release and engagement device according to the present invention uses a plurality of guide balls and engagement balls to facilitate engagement or release of the block assembly and the steering wheel assembly.

It is a primary object of the present invention to provide a steering wheel release and engagement device in which a plurality of guide balls and engagement balls are used to facilitate engagement or release between the engagement block assembly and the steering wheel assembly.

Although not described in detail herein, the above and other additional objects will be apparent to those skilled in the art by the detailed description provided below in connection with the accompanying drawings.

The steering hole release and engagement device according to the present invention, in particular with reference to the figures 1 and 2, has a cylindrical outer housing 10 into which a steering shaft assembly ("20" and "30" combination) is fitted, a steering shaft assembly. The engagement block assembly "40" and "60" combination releasably slideable in the body), the steering wheel 70 fixed to the engagement block assembly, and the engagement block assembly to release or engage the steering shaft assembly. It consists of a lock assembly.

The steering shaft assembly consists of a lower portion 20 and an upper portion 30.

The steering shaft 22 is integrally formed at the bottom of the lower portion 20.

The lower part 20 is rotatably received in the outer housing 10, and a plurality of ball guide recesses 24 are formed in the inner wall, and four recesses are shown in this specific embodiment.

The upper part 30 is fixedly fastened to the outer housing 10 by pins and holes.

The upper portion 30 has an annular ball guide groove 32 and a concave recess 34 formed in the inner wall.

The engagement block assembly is also freely rotatable and longitudinally slidable within the steering shaft assembly between the upper limit shown in FIG. 2 and the lower limit shown in FIG.

The engagement block assembly consists of the engagement block 40 and the operation block 60.

The engagement block 40 has a plurality of ball guide holes 42 formed thereon and an annular groove 44 formed in the outer wall.

Each of the plurality of engagement balls 48 is located in each ball guide hole 42.

The engagement ball 48 is engaged with the ball guide groove 32 so that the engagement block assembly is rotatable about the upper portion 30 of the steering shaft assembly, or the engagement ball assembly is engaged with the ball guide hole 24 so that the engagement block assembly is the steering shaft assembly. Allows the lower part 20 to rotate.

The above will be explained further below.

The engagement block 40 further includes a ball depression 52, and the operation block 60 further includes a corresponding ball confinement groove 62 extending at an appropriate length at an angle of approximately 45 degrees.

Therefore, the operation block 60 is rotatable in the engagement block 40 by rotating the operation bolt 90 of the lock assembly, but the ball-limiting groove 62 of the operation block 60 and the engagement block 40 of the The restriction ball 64 located between the ball depression 52 prevents the slide from sliding in the engagement block 40.

The rotation range of the operation block 60 which can be freely rotated is limited between the two positions due to the restriction ball 64 located between the ball depression 52 and the ball restriction groove 62.

The two restriction positions limiting the operation block 60 can be seen by the dotted lines shown in FIGS. 5 and 6.

6 and 6 are views in which the operation block 60 of FIG. 5 is rotated about 45 degrees counterclockwise.

3 and 6 show a state in which the operation block 60 is located in one of the two restriction positions described above.

In this limited position, a number of depressions 60 formed in the operation block 60 are engaged with the engagement balls 48 so that the engagement balls 48 can be fitted into the corresponding depressions 66 starting from the ball guide groove 32. It is in line with the 48.

The ball guide groove 32, the ball guide hole 42, the depression 66 and the engagement ball 48, when they are in line with each other as shown in Figure 3, the engagement block assembly to the steering shaft assembly The longitudinal free movement of or the rotational movement of the operating block 60 relative to the engagement block 40 is assured.

Thus, the engagement block assembly is able to move longitudinally between the upper and lower limits described above when the actuating block 60 is placed in one of two restriction positions.

As shown in FIGS. 2 and 4, the engagement ball 48 is engaged with the ball guide groove 32 of the upper portion 30 and the ball guide hole 24 of the lower portion 20, respectively.

The engagement block assembly is thus able to rotate relative to the upper part 30 of the steering assembly when the actuating block 60 is located in one of the two restraining positions (see FIG. 2), and the actuating block has a different restraint. When in position (see FIG. 4), it is possible to rotate the lower portion 20 of the steering shaft assembly.

A plurality of legs 54 extending downward from the bottom surface of the engagement block 40 are provided to interact with the plurality of receiving holes 26 formed in the lower portion 20 so as to interact with the engagement block 40 and the lower portion. Safe engagement with (20) becomes possible.

1 through 3, the lock assembly is releasably fastened to the top of the engagement block assembly.

The lock assembly includes a mounting housing 80 for receiving the operation bolt 90 described above.

In the present invention, the actuation bolt 90 is shown to have the function of a key blade for convenience of description.

Since the actuating bolt 90 has the ability to rotate the actuating block 60, the two restriction positions illustrated above can be achieved, thus illustrating in detail the interrelationship of the mounting housing 80 with the actuating bolt 90. There is no need.

The engagement of the lock assembly with the engagement block assembly will be illustrated below.

In FIGS. 1 and 2, the mounting housing 80 has a spring 82 and a rocker arm 84 interacting with the annular recess 562 formed in the upper portion 560 of the engagement block 40. It has a combination of structures.

The spring and rocker arm have respective ends that are rigidly fixed to the mounting housing 80.

Since the other ends of the spring and the rocker arm are connected to each other, the spring 82 always pushes the rocker arm 84 laterally so that it fits into the annular recess 562.

Therefore, after the mounting housing 80 is fitted to the engagement block 40, the longitudinal movement between them is prevented.

Moreover, since the mounting housing 80 has a longitudinal slot 86 in which the engagement block 40 engages with a ridge 564 formed in the upper portion 560, the mounting housing 80 has an engagement block. It can not be rotated freely with respect to (40).

The pinhole 566 is installed in the upper portion 560 of the engagement block 40 so that the mounting housing 80 can be separated from the engagement block 40 by pushing the rocker arm through the pinhole 566. The pinhole 702 is provided in the steering shaft 70.

The threaded end 568 is formed in the upper portion 560 of the engagement block 40 so that the fastening ring 88 having a corresponding inner thread 882 can be fitted by screwing.

The mounting housing 80 has a cover 87 extending downward from the mounting housing and has a T-shaped cross section.

The cover 87 covers the locking ring 88 and the upper portion 560 that firmly secure the steering wheel 70 to the engagement block 40.

Restriction of the annular groove 44 of the engagement block 40 and the upper portion 30 of the steering shaft assembly to guide the engagement block 40 in which a number of guiding balls 46 move between the lower and upper limits. Located between (34).

The concave concavity 34 has the ball guide groove 32 in line with the ball guide hole 42 when the guide ball 46 stops at the upper edge 342 of the concave concavity 34. And the ball guide recess 24 when the guide ball stops at the lower edge 344 of the concave recess 34 so that the ball guide recess 24 can be aligned in line with the ball guide hole 42. I have it.

As shown in FIG. 2, an operating system using a known push button can be installed for ON / OFF control of the power switch 95 of a vehicle (not shown).

The entertainment system using a push button may include a button or a sensing device 952 installed at the upper portion 30 of the steering shaft assembly.

The corresponding plate 72 is fastened between the steering wheel 70 and the engagement block 40 so that when the engagement block assembly moves downward, the plate 72 is connected to a button or sensing device 952 so that the power switch 95 ).

When reading this specification in accordance with a preferred specific embodiment of the present invention, various modifications of the present invention will become apparent to those skilled in the art.

Therefore, various modifications and changes can be made without departing from the scope of the utility model registration request of the present invention.

Claims (2)

A cylindrical outer housing 10 into which a steering shaft assembly is fitted, an engagement block assembly releasably slidable within the steering shaft assembly, a steering wheel 70 fixedly mounted to the engagement block assembly, and the engagement block assembly; In the steering wheel release and engagement device consisting of a locking assembly for releasing or engaging with the steering shaft assembly, the steering shaft assembly is composed of a lower portion 20 and the upper portion 30, the lower portion 20 is a steering shaft ( 22), which is rotatably received in the outer housing 10, has a plurality of ball guide recesses 24 formed on the inner wall, and the upper portion 30 is fastened to the outer housing 10. It has an annular guide groove 32 and the restriction recess 34 formed in the inner wall; The engagement block assembly can slide longitudinally between an upper limit point and a lower limit point in the steering shaft assembly, and is freely rotatable, wherein the engagement block assembly consists of an engagement block 40 and an operation block 60. The engagement block 40 has a plurality of ball guide holes 42 formed thereon and an annular groove 44 formed in the outer wall, wherein the engagement block assembly is disposed between the upper limit point and the lower limit point. The actuating block 60 is rotatable in the engagement block 40 by the locking assembly so as to slide; The locking assembly is releasably fastened to the upper portion of the engagement block assembly, and the operation block 60 is rotatable by the locking assembly; And a plurality of guide grooves 46 are located between the annular grooves 44 and the concave recesses 34; Each of the plurality of engagement balls 48 is located in a respective ball guide hole 42 and the engagement balls 48 are rotatable such that the engagement block assembly can be rotatable relative to the upper portion 30 of the steering shaft assembly. Releases the steering wheel, wherein the engagement ball 48 engages the ball guide hole 24 so that the engagement block assembly rotates the lower portion 20 of the steering shaft assembly. Interlocking device. According to claim 1, wherein the engagement block 40 has a ball depression 52 and the operation block 60 has a corresponding ball confinement groove 62 extending at an angle to a predetermined length, the operation block ( Restriction ball 64 is located between the ball depression 52 and the ball restriction groove 62 so that 60 can rotate between the first restriction position and the second restriction position, and the operation block 60 The engagement block 40 can rotate relative to the upper portion 30 of the steering shaft assembly when in the first limited position and the engagement block when the actuating block 60 is in the second limited position. Steering wheel release and engagement device, characterized in that the assembly rotates the lower portion (20) of the steering shaft assembly.