JPH039972U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１〜２図は本考案の実施例を示しており、第
１図は第３図のＡ−Ａ断面に相当する図、第２図
は要部を取り出して示す斜視図、第３図は伸縮式
ステアリングコラム装置とチルトステアリング装
置とを組み込んだ、ステアリング装置の側面図、
第４図は第３図のＢ矢視図、第５図は従来の伸縮
式ステアリング装置を示す、第３図のＡ−Ａ断面
に相当する図である。 １……調節レバー、２……ステアリングコラム
、３……ステアリングシヤフト、４……調節レバ
ー、５……アウターコラム、６……インナーコラ
ム、７……玉軸受、８……セレーシヨン係合部、
９……ロツクハウジング、１０……ロツク部材、
１１……シリンダ空間、１２……連通開口、１３
……円弧状凹面、１４……隔壁、１５……螺子孔
、１６……ロツク螺子、１７……平面、１８……
第一ロツク部材、１９……第二ロツク部材、２０
……第一の面、２１……第二の面、２２……第三
の面、２３……傾斜面、２４……第二の螺子孔、
２５……第一の螺子孔、２６……ロツク螺子、２
７……第一雄螺子部、２８……第二雄螺子部、２
９……ガイドピン、３０……長孔。 Figures 1 and 2 show an embodiment of the present invention, where Figure 1 is a view corresponding to the AA cross section in Figure 3, Figure 2 is a perspective view showing the main parts taken out, and Figure 3 is A side view of a steering device incorporating a telescoping steering column device and a tilt steering device,
4 is a view taken along arrow B in FIG. 3, and FIG. 5 is a view corresponding to the AA cross section in FIG. 3, showing a conventional telescopic steering device. DESCRIPTION OF SYMBOLS 1... Adjustment lever, 2... Steering column, 3... Steering shaft, 4... Adjustment lever, 5... Outer column, 6... Inner column, 7... Ball bearing, 8... Serration engagement part,
9... Lock housing, 10... Lock member,
11...Cylinder space, 12...Communication opening, 13
... Arc-shaped concave surface, 14 ... Partition wall, 15 ... Screw hole, 16 ... Lock screw, 17 ... Plane, 18 ...
First lock member, 19...Second lock member, 20
...first surface, 21 ... second surface, 22 ... third surface, 23 ... inclined surface, 24 ... second screw hole,
25...First screw hole, 26...Lock screw, 2
7...First male thread part, 28...Second male thread part, 2
9... Guide pin, 30... Long hole.

Claims (1)

【実用新案登録請求の範囲】 (1) それぞれが円筒状に形成され、互いにテレ
スコープ状に組み合わされたアウターコラム及び
インナーコラムと、一部を前記アウターコラムの
側方に突出させて突出部とし、前記アウターコラ
ムの中間部に固設されたロツクハウジングと、前
記突出部の内側に設けられ、前記アウターコラム
の中心軸と平行で、互いに間隔を開けて設けられ
た、１対の平面で両側を、この１対の平面を結ぶ
別の平面で外側面を、それぞれ区画されたシリン
ダ空間と、このシリンダ空間とアウターコラムの
内部とを連通させる連通開口と、それぞれが第一
、第二、第三の面を有する三角柱状に形成され、
それぞれの第一の面を前記１対の平面に摺接させ
、それぞれの第二の面を、前記連通開口部分でシ
リンダ空間に向けて露出したインナーコラムの外
周面に当接させた１対の第一ロツク部材と、両端
縁部に形成された傾斜面を、それぞれ前記１対の
第一ロツク部材の第三の面に当接させた第二ロツ
ク部材と、前記シリンダ空間の外側面を区画する
隔壁に支承され、内端部を前記第二ロツク部材に
係合させると共に、他端部に調節レバーを設け、
この調節レバーの操作に基づき前記第二ロツク部
材を、前記１対の第一ロツク部材に押圧する伝達
部材とから成る伸縮式ステアリングコラム装置。 (2) 伝達部材が、中間部と先端部とに、互いに
逆方向の第一、第二雄螺子部を有するロツク螺子
であり、中間の第一雄螺子部を、隔壁に形成した
第一の螺子孔に螺合させ、先端の第二雄螺子部を
、第二ロツク部材に形成した第二の螺子孔に螺合
させている、請求項１に記載の伸縮式ステアリン
グコラム装置。 (3) 第一雄螺子部と第一の螺子孔とを省略する
代わりに、ロツク螺子の中間部を隔壁に、回転の
み自在に支承している、請求項２に記載の伸縮式
ステアリングコラム装置。 (4) 第二雄螺子部と第二の螺子孔とを省略する
代わりに、ロツク螺子の先端を第二ロツク部材に
突き当てている、請求項２に記載の伸縮式ステア
リングコラム装置。[Claims for Utility Model Registration] (1) An outer column and an inner column, each formed in a cylindrical shape and combined with each other in a telescopic manner, and a portion of which protrudes to the side of the outer column to serve as a protrusion. , a lock housing fixed to the middle part of the outer column; and a pair of flat surfaces provided inside the protrusion, parallel to the central axis of the outer column, and spaced apart from each other. The outer surface is defined by another plane that connects the pair of planes, and a cylinder space that is partitioned, a communication opening that communicates this cylinder space with the inside of the outer column, and a first, a second, and a second, respectively. It is formed into a triangular prism shape with three sides,
a pair of surfaces, each of which has a first surface in sliding contact with the pair of flat surfaces, and a second surface of each of which is in contact with the outer circumferential surface of the inner column exposed toward the cylinder space at the communication opening portion; A first lock member, a second lock member whose inclined surfaces formed at both end edges abut the third surfaces of the pair of first lock members, and a second lock member that defines an outer surface of the cylinder space. supported by a partition wall, an inner end thereof is engaged with the second locking member, and an adjustment lever is provided at the other end;
and a transmission member that presses the second lock member against the pair of first lock members based on the operation of the adjustment lever. (2) The transmission member is a locking screw having first and second male threads in opposite directions at the intermediate portion and the tip, and the intermediate first male screw portion is connected to the first male thread formed on the partition wall. 2. The telescoping steering column device according to claim 1, wherein the second male screw portion at the tip is screwed into the second screw hole formed in the second lock member. (3) The telescoping steering column device according to claim 2, wherein instead of omitting the first male screw portion and the first screw hole, the intermediate portion of the lock screw is rotatably supported on the partition wall. . (4) The telescoping steering column device according to claim 2, wherein instead of omitting the second male screw portion and the second screw hole, the tip of the lock screw is butted against the second lock member.