KR100847200B1 - Fixing System of a Telescope Column for a Vehicle - Google Patents

Abstract

The present invention relates to a device for fixing a telescope column for an automobile, and more particularly, an approximately circular through hole (30a) formed through the axial direction so as to be slidably provided with an inner jacket (20) for a telescope function. And a block groove 30b formed to be partially integrated with the through hole 30a at one lower side thereof, and including a block groove 30b having a substantially rectangular cross section and having a penetrating bolt hole 30c formed transversely from the block groove 30b. And a support housing (30) provided with fixing members (31) for fixing the vehicle body to the upper side and the other side, respectively; and provided in the block groove (30b) of the support housing (30) and in contact with the inner jacket (20). The portion is formed in a tapered shape, the first block 42 is provided to include a bolt hole (42a) formed through one side and the other predetermined position; and the thread (45a) is formed on the inner peripheral surface The outer circumferential surface in the shape is a control lever 49 provided on the outer circumferential surface of the first nut 45 formed stepped; and the first nut 45 is fastened and fixed by the first thread 43a formed on one outer circumferential surface to support the support. The second nut 47 and the other outer circumferential surface of which the thread 47a is formed on the inner circumferential surface through the bolt hole 30c of the housing 30, the block groove 30b and the bolt hole 42a of the first block 42. A substantially cylindrical fastening bolt 43 provided to fasten and assemble the second screw thread 43c formed therein; and on an outer circumferential surface of the fastening bolt 43 between the support housing 30 and the first block 42. By having a fixing device 40 provided with an elastic spring (50) having a predetermined elastic force, by the tightening force generated in the fastening bolt 43 and the second nut 47 during the operation of the control lever 49 As the first block 42 is pushed inward, the first block 42 is fixed to the outer circumferential surface of the inner jacket 20 to be fixed. The conventional two-piece block has a one-piece block, which not only simplifies components and reduces costs, but also more preferably secures an inner jacket that slides according to the telescope function with a simple structure. It provides a fixing device for a telescope column for automobiles.

Telescope Column, Fixture for Telescope Column, Adjustment Lever, Block, Cam

Description

Fixing system of a telescope column for a vehicle

1 is a plan view schematically showing a telescope column according to the prior art.

Figure 2 is an enlarged cross-sectional view schematically showing a fixing device of a telescope column according to the prior art.

3 is a plan view schematically showing a telescope column according to an embodiment of the present invention.

4 is an enlarged cross-sectional view schematically illustrating a fixing device of a telescope column according to an embodiment of the present invention.

5 is an exploded perspective view of a first nut, a second nut, and a fastening bolt according to an embodiment of the present invention.

6 is an enlarged cross-sectional view of a fixing device of a telescope column according to an embodiment of the present invention.

7 is an enlarged cross-sectional view of a fixing device of a telescope column according to an embodiment of the present invention.

8 is an exploded perspective view of the first nut and the fastening bolt according to an embodiment of the present invention.

9 is an enlarged cross-sectional view of a fixing device of a telescope column according to an embodiment of the present invention.

10 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention.

11 is an exploded perspective view of a first nut, a cam block, a second nut, and a fastening bolt according to another embodiment of the present invention.

12 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention.

13 is an exploded perspective view of a first nut, a cam block, and a fastening bolt according to another embodiment of the present invention.

14 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention.

15 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention.

16 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention.

17 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention.

18 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention.

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

1: telescope column 10: upper jacket

20: inner jacket 30: support housing

30a: Through hole 30b, 30b ': Block groove

30c, 30c ': Bolt hole 30d: Cam block groove

31: fixing member 40: fixing device

41: second block 41a: bolt hole

41b: Cam block groove 41c: Cam shape

42: first block 42a: bolt hole

42b: thread 43: tightening bolt

43a: thread 43b: head

45: first nut 45a: thread

45b: cam shape 47: second nut

47a: thread 49: adjustment lever

50: elastic spring 60: cam block

70: rubber tube

The present invention relates to a fastening device for a telescope column for automobiles, wherein the two-piece block includes a one-piece block and a fastening device for fixing and supporting the inner jacket slid by the support housing to simplify the components. The present invention relates to a device for fixing a telescope column for automobiles, which can more preferably secure an inner jacket sliding according to a telescope function with a simple structure.

In general, a fixing system of a telescope column for a vehicle is used to control the operation of a control device and a telescope function that adjusts the steering wheel back and forth according to the driver. It has a fixing device to fix it.

This is shown in Figure 1, the automotive telescope column 100 is provided with a support housing 130 on one outer peripheral surface of the upper jacket (upper jacket 110) of the cylindrical shape, the inner peripheral surface of the support housing 130 Inner jacket 120 is provided to slide with respect to, the fixing device 140 for fixing the sliding inner jacket 120 is provided on the lower side of the support housing 130.

As shown in FIG. 2, the fixing device 140 includes an approximately circular through hole 130a formed in the axial direction so that the inner jacket 120 for the telescope function is slidably provided. The support housing is formed so that the through hole 30a and the central portion are integrated at the lower portion, and includes a block hole 130b having a substantially rectangular cross section, and having a fixing member 131 for fixing the vehicle body to one side and the other side, respectively. 130 and the block holes 130b of the support housing 130 are provided at one side and the other side, respectively, and are provided at and the portions contacting the inner jacket 120 are formed in a tapered shape and penetrate at predetermined positions at one side and the other side, respectively. A first nut 142 and a second block 141 provided to include the formed bolt holes 142a and 141a; and a first nut formed on an inner circumferential surface thereof, and having a hollow shape and having a stepped outer circumferential surface (145) an adjustment lever 149 provided on the outer circumferential surface; and the bolt hole 141a of the second block 141, the support housing 130 is fastened and fixed with the first nut 145 by a screw thread formed on one outer circumferential surface The second nut 147 having the thread 147a formed on the inner circumferential surface and the thread 143a formed on the other outer circumferential surface through the block groove 130b and the bolt hole 142a of the first block 142. And a fastening bolt 143 having a substantially cylindrical shape; and an elastic spring 150 having a predetermined elastic force on the outer circumferential surface of the fastening bolt 143 between the first block 142 and the second block 141. Is done.

By providing the fixing device 140, the first block 142 and the second block 141 are respectively fastened by the tightening force generated in the fastening bolt 143 and the second nut 147 when the adjustment lever 149 is operated. The inner jacket 120 is pushed inward and fixed to the outer circumferential surface to control the front and rear operations of the steering wheel, so that the inner jacket 120 slid by the telescope function is effectively fixed and supported to the driver's desired position. The steering wheel can be positioned at.

However, the apparatus for fixing a telescope column for automobiles according to the related art is a structure in which the first block and the second block are provided with angles inside the support housing to fix and support the inner jacket, since this is a two piece structure. In addition to the complicated structure, the rigidity for fixing and supporting the inner jacket is reduced by the generated tightening force, and there is a problem of cost increase due to the increase in the number of parts process.

Therefore, to solve the above problems, the present invention is to secure and support the inner jacket slid by the one-piece block and the support housing to simplify the components and reduce the cost, as well as a simple structure It is an object of the present invention to provide a fixing device for a telescope column for an automobile which can more preferably secure an inner jacket with greater rigidity.

The present invention relates to a device for fixing a telescope column for an automobile, and more particularly, includes an approximately circular through hole formed through the axial direction so as to be slidably provided with an inner jacket for a telescope function, and penetrates below one side. A support housing including a block groove that is formed to be integrally formed with the hole and includes a block groove having a substantially rectangular cross section, and includes a bolt hole penetrating in a transverse direction from the block groove, and a fixing member for fixing the vehicle body to the upper one side and the other side, respectively; And a first block provided in the block groove of the support housing and in contact with the inner jacket is formed in a tapered shape and includes a bolt hole formed through one side and the other predetermined position; and a thread is formed on the inner circumferential surface and the outer circumferential surface in a hollow shape. Is provided on the outer peripheral surface of the first nut A second nut and the other outer circumferential surface which are fastened and fixed with the first nut by a first screw thread formed on one side outer circumferential surface thereof and through the bolt hole of the support housing, the block groove, and the bolt hole of the first block, and the thread formed on the inner circumferential surface thereof. By a fastening device comprising a fastening bolt having a substantially cylindrical shape provided to fasten and assemble a second screw thread formed therein; and an elastic spring having a predetermined elastic force on an outer circumferential surface of the fastening bolt between the support housing and the first block. The first block is pushed inward by the tightening force generated in the fastening bolt and the second nut during the operation of the adjustment lever, characterized in that it is fixed in close contact with the outer peripheral surface of the inner jacket.

By forming the head of the other end of the fastening bolt stepwise, the second nut can be omitted, and by forming a screw thread corresponding to the screw thread on the inner circumferential surface of the bolt hole of the first block so that the screw and the screw fastening of the fastening bolt, The second nut can be omitted.

Each thread of the fastening bolt, the first block and the second nut is preferably formable in a two-row thread structure or a three-row thread structure.

Instead of the elastic spring, it is possible to have a substantially cylindrical rubber tube having a predetermined elastic force.

Hereinafter, with reference to the accompanying drawings, embodiments according to the present invention will be described in detail as follows.

Figure 3 is a plan view schematically showing a telescope column according to an embodiment of the present invention, Figure 4 is an enlarged cross-sectional view schematically showing a fixing device of a telescope column according to an embodiment of the present invention, Figure 5 1 is an exploded perspective view of a first nut, a second nut, and a fastening bolt according to an embodiment of the present invention, FIG. 6 is an enlarged cross-sectional view of a fixing device of a telescope column according to an embodiment of the present invention, and FIG. 8 is an enlarged cross-sectional view of a fixing device for a telescope column, FIG. 8 is an exploded perspective view of a first nut and a fastening bolt according to an embodiment of the present invention, and FIG. 9 is a telescope according to an embodiment of the present invention. 10 is an enlarged cross-sectional view of a fixing device of a scope column, FIG. 10 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention, and FIG. 11 is a first nut according to another embodiment of the present invention; 12 is an exploded perspective view of a cam block, a second nut and a fastening bolt, FIG. 12 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention, and FIG. 13 is a first nut according to another embodiment of the present invention. Is an exploded perspective view of a cam block and a fastening bolt, FIG. 14 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention, and FIG. 15 is a view of a telescope column according to another embodiment of the present invention. 16 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention, and FIG. 17 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention. 18 is an enlarged cross-sectional view of a fixing device of a telescope column according to another embodiment of the present invention.

As shown in FIG. 3, a cylindrical upper jacket 10 is provided in a telescope column 1 and a support housing 30 is provided on one outer circumferential surface of the upper jacket 10. The inner jacket 20 of the hollow shape is provided to slide with respect to the inner circumferential surface of the support housing 30, the fixing device 40 according to the present invention for fixing the sliding inner jacket 20, the support It is preferably provided under one side of the housing (30).

Therefore, as shown in FIG. 4, the fixing device 40 of the telescope column for automobiles according to an embodiment of the present invention penetrates in the axial direction so that the inner jacket 20 for the telescope function is slidably provided. It includes a through hole (30a) of the substantially circular shape formed in the lower portion on one side is formed to be integral with the through hole (30a) and comprises a block groove (30b) having a substantially rectangular cross-section cross-section from the block groove (30b) A support housing 30 including a bolt hole 30c penetrated in the direction and having a fixing member 31 for fixing the vehicle body to the upper one side and the other side, respectively, is preferably provided.

In addition, a portion provided in the block groove 30b of the support housing 30 and in contact with the inner jacket 20 is formed in a tapered shape and includes a bolt hole 42a formed at one side and the other predetermined position. One block 42 is preferably provided.

In addition, a screw thread 45a is formed on the inner circumferential surface, and an adjustment lever 49 is provided on the outer circumferential surface of the first nut 45 formed stepwise in a hollow shape, and the first screw thread 43a is formed on one outer circumferential surface of the first screw 45a. 1 is fastened and fixed with the nut 45 to penetrate through the bolt hole 30c of the support housing 30, the block groove 30b, and the bolt hole 42a of the first block 42, and thread 47a on the inner circumferential surface thereof. A fastening bolt 43 having a substantially cylindrical shape is preferably provided to fasten and assemble the second nut 47 formed on the second nut 47 and the second thread 43c formed on the other outer circumferential surface thereof (see FIG. 5).

In addition, an elastic spring 50 having a predetermined elastic force is preferably provided on the outer circumferential surface of the fastening bolt 43 between the support housing 30 and the first block 42.

Fixing device 40 according to an embodiment of the present invention configured as described above is the first block (B) by the tightening force generated in the fastening bolt 43 and the second nut 47 when the control lever 49 is operated. 42) by pushing the inner jacket 20 in close contact with the outer circumferential surface of the inner jacket 20, the conventional two-piece block having a one-piece block has the advantage of simplifying components and cost reduction In addition, the simplification of the structure makes it possible to preferably secure the inner jacket which is slid according to the telescope function with greater rigidity.

In this case, as shown in FIG. 6, the second thread 43c is formed on the inner circumferential surface of the bolt hole 42a of the first block 42 so that the fastening bolt 43 may be screwed with the second thread 43c. The second nut 47 can be omitted by forming the thread 42b so as to correspond to the screw thread 42b, and the screw 42b between the first block 42 and the fastening bolt 43 when the adjusting lever 49 is operated. Tightening force is generated to be in close contact with the outer peripheral surface of the inner jacket 20 can be preferably fixed and supported.

The threads 43c, 42b and 47a of the fastening bolt 43, the first block 42 and the second nut 47 can be preferably formed in a two-row screw structure or a three-row screw structure. Thus, the tightening distance of the fastening bolt 43 may be preferably increased during operation of the control lever 49.

In addition, as shown in Fig. 7 and 8, by forming the head portion 43b to step the shape of the other end of the fastening bolt 43, it is possible to omit the second nut 47 preferably When the control lever 49 is operated, the inner jacket 20 may be preferably fixed and supported by pushing the first block 42 inward by the head 43b of the fastening bolt 43.

And, as shown in Figure 9, instead of the elastic spring 50 provided on the outer peripheral surface of the fastening bolt 43 of the fixing device 40 according to an embodiment of the present invention having a substantially cylindrical shape of a predetermined elastic force The rubber tube 70 is preferably provided so that the first block 42 is preferably returned to its original position by the rubber tube 70 upon returning from the fixing of the inner jacket 20 according to the operation of the adjustment lever 49. Can be restored.

In addition, the apparatus for fixing a telescope column for a vehicle according to another embodiment of the present invention includes an inner jacket 20 formed through the axial direction such that the inner jacket 20 for the telescope function is slidably, as shown in FIG. 10. It includes a circular through hole (30a) and is formed to be integrally part with the through hole (30a) on one side and includes a block groove (30b) having a substantially rectangular cross section in the transverse direction from the block groove (30b) It includes a through-shaped bolt hole (30c) and the other side of the bolt hole (30c) and the cam block groove (30d) formed in a substantially circular shape of a predetermined depth formed integrally with the central portion, respectively, on the upper one side and the other side The support housing 30 including the fixing member 31 for fixing the vehicle body is preferably provided.

The first block provided in the block groove 30b of the support housing 30 and in contact with the inner jacket 20 is formed in a tapered shape and includes a bolt hole 42a formed at one side and the other predetermined position thereof. 42 is preferably provided.

In addition, an adjustment lever 49 is preferably formed on the outer circumferential surface of the first nut 45 (see FIG. 11) formed with a screw thread on the inner circumferential surface, the outer circumferential surface being stepped in a hollow shape, and the one end surface having a cam shape 45b. The one end surface is in contact with the one end surface of the cam shape 45b of the first nut 45 and the cam shape 45b and the cam block 60 is preferably provided in the cam block groove 30d. .

In addition, the first nut 45 is fastened and fixed by a screw thread formed on one outer circumferential surface thereof, so that the cam block 60, the bolt hole 30c of the support housing 30, the block groove 30b and the first hole are fixed. Fastening bolts having a substantially cylindrical shape such that the second nut 47 having the thread 47a formed on the inner circumferential surface of the block 42 and the second thread 43c formed on the other outer circumferential surface of the block 42 are fastened and assembled. 43 is provided (see FIG. 11), and an elastic spring 50 having a predetermined elastic force is provided on the outer circumferential surface of the fastening bolt 43 between the support housing 30 and the first block 42.

In the fixing device 40 according to another embodiment of the present invention configured as described above, the first nut 45 and the fastening bolt 43 are opposed by the cam block 60 when the adjustment lever 49 is operated. The first block 42 is pushed inward by the tightening force generated in the fastening bolt 43 and the second nut 47 and fixed to the outer circumferential surface of the inner jacket 20 so as not to rotate. The inner jacket which slides according to the telescope function can be preferably fixed with greater rigidity.

12 and 13, the second nut 47 can be preferably omitted by forming the head 43b to step the shape of the other end of the fastening bolt 43.

In addition, the thread 42b to correspond to the second thread 43c on the inner circumferential surface of the bolt hole 42a of the first block 42 so as to be screwed with the second thread 43c of the fastening bolt 43. The second nut 47 can be preferably omitted, and the respective threads 43c, 42b and 47a of the fastening bolt 43, the first block 42 and the second nut 47 are formed. ) Can be preferably formed into a two-row screw structure or a three-row screw structure.

And, instead of the elastic spring 50, it is possible to preferably provide a substantially cylindrical rubber tube 70 having a predetermined elastic force.

As shown in FIG. 14, the fixing device 40 of the telescope column for a vehicle according to another embodiment of the present invention is formed to penetrate in an axial direction so that an inner jacket 20 for a telescope function is slidably provided. A block groove 30b 'having an approximately circular through hole 30a and partially integrated with the through hole 30a at a lower portion of the other side, and having a substantially rectangular cross section, and from the block groove 30b'. A support housing 30 including a bolt hole 30c 'formed in a transverse direction and having a fixing member 31 for fixing the vehicle body to the upper one side and the other side, respectively, is preferably provided, and the support housing 30 The second block 41 is provided in the block groove 30b 'and is in contact with the inner jacket 20 in a tapered shape and includes a bolt hole 41a formed at one side and the other predetermined position.

Then, a screw thread is formed on the inner circumference and the outer circumferential surface of the hollow shape is provided with an adjustment lever 49 on the outer circumference of the first nut 45, and is fastened with the first nut 45 by a screw thread formed on one outer circumference. A second nut having a screw thread 47a formed on an inner circumferential surface of the second block 41 through the bolt hole 41a of the second block 41, the block groove 30b 'of the support housing 30, and the bolt hole 30c'; A fastening bolt 43 having a substantially cylindrical shape is provided to fasten and assemble the second screw thread 43c formed on the outer peripheral surface of the 47 and the fastening bolt between the support housing 30 and the second block 41. An elastic spring 50 having a predetermined elastic force is provided on the outer circumferential surface of the 43.

Fixing device 40 according to another embodiment of the present invention configured as described above is the second block (B) by the tightening force generated in the fastening bolt 43 and the second nut 47 when the adjustment lever 49 is operated. 41) is pushed inwardly and fixed to the outer circumferential surface of the inner jacket 20 to provide a one-piece block, which not only has advantages of simplification of components and cost reduction, but also simplification of the telescope function. The inner jacket which slides along can be preferably fixed with greater rigidity.

As shown in FIG. 15, the second nut 47 can be preferably omitted by forming the head 43b to step the shape of the other end of the fastening bolt 43.

In addition, it is possible to preferably provide a substantially cylindrical rubber tube 70 having a predetermined elastic force instead of the elastic spring 50.

Meanwhile, as shown in FIG. 16, the fixing device 40 of the telescope column for a vehicle according to another embodiment of the present invention is axially oriented so that an inner jacket 20 for a telescope function is slidably provided. A through hole 30a having a substantially circular shape formed therethrough, and a block groove 30b 'that is formed to be partially integrated with the through hole 30a at a lower portion of the other side, and has a substantially rectangular cross section, and the block groove 30b' The support housing 30 is preferably provided with a bolt hole 30c 'formed in a transverse direction from the side) and provided with fixing members 31 for fixing the vehicle body to the upper one side and the other side, respectively.

In addition, a portion provided in the block groove 30b 'of the support housing 30 and in contact with the inner jacket 20 is formed in a tapered shape, and includes a bolt hole 41a formed at one side and the other side at a predetermined position. The second block 41 preferably includes a cam block groove 41b formed in a substantially circular shape having a predetermined depth on a lower surface thereof, and a thread is formed on the inner circumferential surface thereof, and the outer circumferential surface is stepped in a hollow shape, and one end surface is cam The adjustment lever 49 is preferably provided on the outer circumferential surface of the first nut 45 formed to have the shape 45b, and one end surface thereof is formed to correspond to the cam shape 45b of the first nut 45 to form the cam shape. A cam block 60 is preferably provided in the cam block groove 41b in contact with the 45b.

In addition, the first nut 45 is fastened and fixed by a screw thread formed at one outer circumferential surface of the bolt block 41a of the cam block 60, the second block 41, and the support housing 30. It has a substantially cylindrical shape so that the second nut 47 having the thread 47a formed on the inner circumferential surface and the second thread 43c formed on the other outer circumferential surface through the block groove 30b 'and the bolt hole 30c' are fastened and assembled. A fastening bolt 43 is preferably provided, and is provided with an elastic spring 50 having a predetermined elastic force on the outer circumferential surface of the fastening bolt 43 between the support housing 30 and the second block 41.

By having the fixing device 40 formed as described above, the first nut 45 and the fastening bolt 43 are not rotated relative to each other by the cam block 60 when the adjustment lever 49 is operated. The second block 41 is pushed inward by the tightening force generated in the fastening bolt 43 and the second nut 47, and is fixed in close contact with the outer circumferential surface of the inner jacket 20. In addition to the advantages of simplifying components and reducing costs by providing a block of, the inner jacket slid according to the telescope function can be preferably fixed with greater rigidity due to the simplification of the structure.

At this time, as shown in Figure 17, by forming the head 43b to step the shape of the other end of the fastening bolt 43, the second nut 47 can be preferably omitted.

And, instead of the elastic spring 50, it is possible to preferably provide a substantially cylindrical rubber tube 70 having a predetermined elastic force.

In addition, as shown in FIG. 18, the cam block 41c corresponding to the cam shape 45b of the first nut 45 is formed on one end surface of the second block 41, whereby the cam block ( 60 is preferably removable, whereby the first nut 45 is fixed so as not to rotate relative to the second block 41 when the control lever 49 is operated so that the fastening bolts 43 and the first bolts can be made more rigid. The second block 41 can be pushed inward by the tightening force generated by the second nut 47 to be in close contact with the outer circumferential surface of the inner jacket 20 so as to be fixed and supported.

Therefore, as described above, the fixing device for a telescope column for a vehicle according to the present invention includes a through-hole having a substantially circular shape formed through the axial direction so as to be slidably provided with an inner jacket for a telescope function, and penetrates below one side. A support housing including a block groove that is formed to be integrally formed with the hole and includes a block groove having a substantially rectangular cross section, and includes a bolt hole penetrating in a transverse direction from the block groove, and a fixing member for fixing the vehicle body to the upper one side and the other side, respectively; And a first block provided in the block groove of the support housing and in contact with the inner jacket is formed in a tapered shape and includes a bolt hole formed through one side and the other predetermined position; and a thread is formed on the inner circumferential surface and the outer peripheral surface in a hollow shape. Is provided on the outer peripheral surface of the first nut A second nut formed on the inner circumferential surface of the support housing through the bolt hole of the support housing, the block groove, and the bolt hole of the first block by fastening and fixing the first nut by a first thread formed on the outer circumferential surface of the lever; And a fastening device having a substantially cylindrical shape, the fastening bolt being provided to fasten and assemble the formed second thread; and an elastic spring having a predetermined elastic force on the outer circumferential surface of the fastening bolt between the support housing and the first block. The first block is pushed inward by the tightening force generated by the fastening bolt and the second nut during operation of the control lever, and is tightly fixed to the outer circumferential surface of the inner jacket to fix the block having the conventional two-piece structure. In addition to the advantages of simplifying components and reducing costs, the simple structure allows sliding according to the telescope function. Has the advantage that can be preferably fixed to the inner jacket with a greater stiffness.

As described above, the fixing device for a telescope column for an automobile according to the present invention includes a through-hole having a substantially circular shape formed through the axial direction so that an inner jacket for telescope function is slidably provided, and a through-hole at one lower side thereof. A support housing including a block groove having a cross section having a substantially rectangular cross section and including a bolt hole formed in a transverse direction from the block groove, and having a fixing member for fixing the vehicle body to the upper one side and the other side, respectively; The first block provided in the block groove of the support housing and in contact with the inner jacket is formed in a tapered shape and includes a bolt hole penetrated at one side and the other predetermined position; and a thread is formed on the inner circumferential surface and the outer circumferential surface is hollow. Jaws provided on the outer peripheral surface of the first nut formed stepped A second nut and the other outer circumferential surface which are fastened and fixed with the first nut by a first screw thread formed on one side outer circumferential surface thereof and through the bolt hole of the support housing, the block groove, and the bolt hole of the first block, and the thread formed on the inner circumferential surface thereof. By a fastening device comprising a fastening bolt having a substantially cylindrical shape provided to fasten and assemble a second screw thread formed therein, and an elastic spring having a predetermined elastic force on an outer circumferential surface of the fastening bolt between the support housing and the first block. The first block is pushed inward by the tightening force generated by the fastening bolt and the second nut during the operation of the control lever, and is closely attached to the outer circumferential surface of the inner jacket to fix the conventional two-piece block with a one-piece block. Not only simplify components and reduce costs, but also make it easy to slide according to telescope functions. There is an effect that the inner jacket can be preferably fixed with greater rigidity.

In the above described exemplary embodiments of the present invention by way of example, the scope of the present invention is not limited only to these specific embodiments and those skilled in the art within the scope of the claims of the present invention Changes may be made as appropriate.

Claims (19)

An inner jacket 20 for telescope function includes a circular through hole 30a formed in the axial direction so as to be slidable, and is formed to be integrally formed with the through hole 30a at one lower side thereof, and has a square cross section. A support including a block groove 30b having a shape and including a bolt hole 30c formed in a transverse direction from the block groove 30b, and having a fixing member 31 for fixing the vehicle body to the upper one side and the other side, respectively. A housing 30; and The first portion provided in the block groove 30b of the support housing 30 and in contact with the inner jacket 20 is formed in a tapered shape and includes a bolt hole 42a formed through one side and the other predetermined position. Block 42; and A first nut 45 formed in a hollow shape having a screw thread 45a formed on an inner circumferential surface thereof, the outer circumferential surface being stepped on the outer side of the bolt hole 30c formed in the support housing 30; and Adjusting lever 49 provided on the outer peripheral surface of the first nut 45; And It is fastened and fixed with the first nut 45 by a first thread 43a formed at one outer circumferential surface thereof so that the bolt hole 30c, the block groove 30b and the first block 42 of the support housing 30 are fixed. A cylindrical fastening bolt 43 provided to fasten and assemble a second nut 47 having a thread 47a formed on an inner circumferential surface thereof and a second thread 43c formed on the other outer circumferential surface of the bolt hole 42a; Wow By adjusting the fixing device 40 is provided with an elastic spring 50 having a predetermined elastic force on the outer peripheral surface of the fastening bolt 43 between the support housing 30 and the first block 42, the adjustment When the lever 49 is operated, the first block 42 is pushed inward by the tightening force generated in the fastening bolt 43 and the second nut 47 to be in close contact with and fixed to the outer circumferential surface of the inner jacket 20. A device for fixing a telescope column for an automobile. The method according to claim 1, wherein the head portion (43b) is formed so as to step the shape of the other end of the fastening bolt 43, and the second nut 47 is fixed. Device. According to claim 1, In order to correspond to the second screw thread 43c on the inner circumferential surface of the bolt hole 42a of the first block 42 so as to be screwed with the second screw thread 43c of the fastening bolt 43. A screw thread (42b) is formed, and the second nut (47) is omitted. The screw thread 43c, 42b, 47a of the fastening bolt 43, the first block 42 and the second nut 47 is formed in a two-threaded screw structure. Fixing device for an automotive telescope column, characterized in that. The screw thread 43c, 42b, 47a of the fastening bolt 43, the first block 42, and the second nut 47 is formed in a three row screw structure. A device for fixing a telescope column for an automobile. The device for fixing a telescope column for an automobile according to any one of claims 1 to 3, further comprising a cylindrical rubber tube (70) having a predetermined elastic force instead of the elastic spring (50). . An inner jacket 20 for telescope function includes a circular through hole 30a formed in the axial direction so as to be slidable, and is formed to be integrally formed with the through hole 30a at one lower side thereof, and has a square cross section. It includes a block groove (30b) having a shape and includes a bolt hole (30c) formed in the transverse direction from the block groove (30b) of the predetermined depth formed integrally with the bolt hole (30c) and the center portion on the other lower surface A support housing 30 including a cam block groove 30d formed in a circular shape, and having a fixing member 31 for fixing the vehicle body to the upper one side and the other side, respectively; and The first portion provided in the block groove 30b of the support housing 30 and in contact with the inner jacket 20 is formed in a tapered shape and includes a bolt hole 42a formed through one side and the other predetermined position. Block 42; and A screw thread is formed on the inner circumferential surface and the outer circumferential surface is stepped in a hollow shape, and one end surface is provided with an adjustment lever 49 provided on the outer circumferential surface of the first nut 45 formed to have a cam shape. One end surface is in contact with one end surface of the cam shape 45b of the first nut 45 and in contact with the cam shape 45b and is provided in the cam block groove 30d; and The cam block 60, the bolt hole 30c of the support housing 30, the block groove 30b, and the first block are fastened and fixed to the first nut 45 by threads formed on one outer circumferential surface thereof. A cylindrical fastening bolt 43 provided to fasten and assemble a second nut 47 having a thread 47a formed on an inner circumferential surface thereof and a second thread 43c formed on the other outer circumferential surface of the bolt hole 42a. );Wow By adjusting the fixing device 40 is provided with an elastic spring 50 having a predetermined elastic force on the outer peripheral surface of the fastening bolt 43 between the support housing 30 and the first block 42, the adjustment When the lever 49 is operated, the first nut 45 and the fastening bolt 43 are fixed by the cam block 60 such that they do not rotate relative to each other and are generated in the fastening bolt 43 and the second nut 47. The first block 42 is pushed inwards by the tightening force to be fixed to the inner surface of the inner jacket (20) in close contact with the fixing device for the automotive telescope column. 8. The fixing of the telescope column for automobiles according to claim 7, wherein the head portion 43b is formed to step the shape of the other end of the fastening bolt 43, and the second nut 47 is omitted. Device. The method according to claim 7, wherein the second thread (43c) to the inner peripheral surface of the bolt hole (42a) of the first block 42 to be screwed with the second thread (43c) of the fastening bolt 43 A screw thread (42b) is formed, and the second nut (47) is omitted. 10. The screw thread 43c, 42b, 47a of the fastening bolt 43, the first block 42 and the second nut 47 is formed in a two-threaded screw structure. Fixing device for an automotive telescope column, characterized in that. The screw thread 43c, 42b, 47a of the fastening bolt 43, the first block 42 and the second nut 47 is formed in a three-line thread structure. A device for fixing a telescope column for an automobile. 10. The apparatus for fixing a telescope column for an automobile according to any one of claims 7 to 9, wherein a cylindrical rubber tube 70 having a predetermined elastic force is provided instead of the elastic spring 50. . An inner jacket 20 for telescope function includes a circular through hole 30a formed in the axial direction so as to be slidable, and is formed to be partially integrated with the through hole 30a at the other side and has a square cross section. It includes a block groove (30b ') having a shape and includes a bolt hole (30c') formed in the transverse direction from the block groove (30b ') and is provided with a fixing member 31 for fixing the vehicle body on the upper one side and the other side, respectively Support housing 30 is made; And A portion provided in the block groove 30b 'of the support housing 30 and in contact with the inner jacket 20 is formed in a tapered shape and is provided to include a bolt hole 41a formed at one side and the other predetermined position. 2 blocks 41; and A first nut 45 formed in a hollow shape having a screw thread formed on an inner circumferential surface thereof, the outer circumferential surface being stepped and provided outside the bolt hole 41a formed in the second block 41; Adjusting lever 49 provided on the outer peripheral surface of the first nut 45; And The bolt nut 41a of the second block 41, the block groove 30b ′ of the support housing 30, and the bolt hole of the second block 41 are fastened and fixed by the screw thread formed on one outer circumferential surface thereof. A cylindrical fastening bolt 43 provided to fasten and assemble the second nut 47 formed on the inner circumferential surface and the second thread 43c formed on the other outer circumferential surface through 30c '); and By adjusting the fixing device 40 is provided with an elastic spring 50 having a predetermined elastic force on the outer peripheral surface of the fastening bolt 43 between the support housing 30 and the second block 41, the adjustment When the lever 49 is operated, the second block 41 is pushed inward by the tightening force generated in the fastening bolt 43 and the second nut 47 to be in close contact with and fixed to the outer circumferential surface of the inner jacket 20. A device for fixing a telescope column for an automobile. 14. The fixing of the telescope column for automobiles according to claim 13, wherein the head portion 43b is formed to step the shape of the other end of the fastening bolt 43, and the second nut 47 is omitted. Device. 14. A device for fixing a telescope column for an automobile according to claim 13, characterized by having a cylindrical rubber tube (70) having a predetermined elastic force instead of the elastic spring (50). An inner jacket 20 for telescope function includes a circular through hole 30a formed in the axial direction so as to be slidable, and is formed to be partially integrated with the through hole 30a at the other side and has a square cross section. It includes a block groove (30b ') having a shape and includes a bolt hole (30c') formed in the transverse direction from the block groove (30b ') and is provided with a fixing member 31 for fixing the vehicle body on the upper one side and the other side, respectively Support housing 30 is made; And A portion provided in the block groove 30b 'of the support housing 30 and in contact with the inner jacket 20 is formed in a tapered shape and includes a bolt hole 41a formed at one side and the other predetermined position, and has one lower surface. A second block 41 provided to include a cam block groove 41b formed in a circular shape having a predetermined depth; and A thread is formed on the inner circumferential surface and the outer circumferential surface is formed stepwise in a hollow shape, and the first nut 45 formed to have a cam shape 45b on one end; Adjusting lever 49 provided on the outer peripheral surface of the first nut 45; And An end surface of the cam block 60 formed to correspond to the cam shape 45b of the first nut 45 to be in contact with the cam shape 45b and provided in the cam block groove 41b; and It is fastened and fixed with the first nut 45 by a screw thread formed on one outer circumferential surface of the cam block 60, the bolt hole 41a of the second block 41, and the block groove of the support housing 30. 30b ') and a cylindrical fastening bolt provided to fasten and assemble the second nut 47 formed with the thread 47a on the inner circumferential surface and the second thread 43c formed on the other outer circumferential surface through the bolt hole 30c'. 43; and By adjusting the fixing device 40 is provided with an elastic spring 50 having a predetermined elastic force on the outer peripheral surface of the fastening bolt 43 between the support housing 30 and the second block 41, the adjustment When the lever 49 is operated, the first nut 45 and the fastening bolt 43 are fixed by the cam block 60 such that they do not rotate relative to each other and are generated in the fastening bolt 43 and the second nut 47. The second block 41 is pushed inward by the tightening force to be fixed to the inner surface of the inner jacket (20) in close contact with the fixing device for the automotive telescope column. 17. The fixing of the telescope column for automobiles according to claim 16, wherein the head portion 43b is formed to step the shape of the other end of the fastening bolt 43, and the second nut 47 is omitted. Device. 18. An apparatus for fixing a telescope column for an automobile according to claim 16 or 17, wherein a cylindrical rubber tube (70) having a predetermined elastic force is provided instead of the elastic spring (50). The cam shape 41c corresponding to the cam shape 45b of the first nut 45 is formed on one end surface of the second block 41, and the cam block 60 is deleted. Fixing device for an automotive telescope column, characterized in that.

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