JPS62163472U

JPS62163472U -

Info

Publication number: JPS62163472U
Application number: JP5207286U
Authority: JP
Priority date: 1986-04-09
Filing date: 1986-04-09
Publication date: 1987-10-17

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係るラツクアンド
ピニオン式ステアリングギアボツクス内樹脂製ラ
ツクガイドを収納したギアボツクスの断面図、第
２図は第１図のラツクガイドの半断面正面図、第
３図は第１図のラツクガイドの平面図、第４図は
第１図のラツクガイドの底面図、第５図は第１図
のギアボツクスを連結したステアリング装置の斜
視図、第６図は第１図のラツクガイドのラツクガ
イド雰囲気温度―ラツクガイド摺動力（比率）の
特性図、第７図は実開昭５７―１７１９６５号公
報のラツクガイドの断面図、第８図は第７図のラ
ツクガイドの断面斜視図、第９図は特開昭５９―
２１６７６４号公報のラツクガイドとその近傍の
断面図、第１０図は第９図のラツクガイドの断面
図、である。２…ステアリングシヤフト、４…ギアボツクス
、８…タイロツド、１０…ハウジング、１６…ピ
ニオン、１８…ラツクバー、２０…ラツク、２４
…ラツクガイド、２８…プラグ、３０…コイルス
プリング、３２…円筒面部、４０…外筒、４２…
内筒、４４…周方向間隙、４６…円筒面部背面、
４８，５０…スリツト、５２…リブ、５４…座面
、５６…ガイド。 Fig. 1 is a cross-sectional view of a rack-and-pinion type steering gear box containing a resin rack guide according to an embodiment of the present invention, Fig. 2 is a half-sectional front view of the rack guide of Fig. 1, and Fig. 3 is a FIG. 4 is a bottom view of the rack guide shown in FIG. 1, FIG. 5 is a perspective view of the steering device connected to the gearbox shown in FIG. 1, and FIG. 6 is a plan view of the rack guide shown in FIG. Rack guide ambient temperature - Rack guide sliding force (ratio) characteristic diagram, Figure 7 is a cross-sectional view of the rack guide disclosed in Japanese Utility Model Application Publication No. 57-171965, Figure 8 is a cross-sectional perspective view of the rack guide in Figure 7, and Figure 9 is Unexamined Japanese Patent Publication 1987-
FIG. 10 is a cross-sectional view of the rack guide shown in FIG. 9, and FIG. 2... Steering shaft, 4... Gear box, 8... Tie rod, 10... Housing, 16... Pinion, 18... Rack bar, 20... Rack, 24
...Rack guide, 28...Plug, 30...Coil spring, 32...Cylindrical surface part, 40...Outer cylinder, 42...
Inner cylinder, 44... circumferential gap, 46... cylindrical surface part back surface,
48, 50...slit, 52...rib, 54...seat surface, 56...guide.

Claims

[Claims for Utility Model Registration] (1) A cylindrical surface portion that slidably presses the cylindrical back surface of the rack bar, and an outer cylinder that extends from the outer periphery of the cylindrical surface portion in parallel to the rack guide axis on the opposite side of the cylindrical surface portion. , an inner cylinder extending from the inner peripheral side of the outer cylinder of the cylindrical surface part in parallel to the rack guide axis to the opposite side of the cylindrical surface part; A rack-and-pinion type steering gear box inner resin comprising: a circumferential gap extending across; and a plurality of slits extending in a direction along the rack guide axis provided in the outer cylinder so as to divide the outer cylinder in the circumferential direction. Made of rack guide. (2) The rack-and-pinion type steering gear box internal resin rack guide according to claim 1, wherein a pair of the slits are provided in a direction in which the rack bar extends. (3) The rack-and-pinion type steering gear box internal resin rack guide according to claim 1, wherein the inner cylinder protrudes from the outer cylinder on the side opposite to the cylindrical surface portion. (4) The resin rack guide in a rack-and-pinion steering gear box according to claim 1, wherein the inner cylinder has a plurality of ribs protruding radially inward on its inner surface. (5) A seating surface for a coil spring that pushes the rack bar toward the pinion is formed inside the inner cylinder at a position separated from the cylindrical surface from the back surface of the cylindrical surface. The resin rack guide in the rack-and-pinion steering gear box described in item 4. (6) The rack-and-pinion type steering according to claim 5, wherein the rib is formed from the end of the inner cylinder opposite to the cylindrical surface to the seat surface of the coil spring. Resin rack guide inside gearbox. (7) The rack-and-pinion type steering gear according to claim 5, wherein the cylindrical surface portion has a guide extending from the seat surface to the side opposite to the cylindrical surface portion in the center portion of the back side. Resin rack guide inside the box. (8) The rack-and-pinion type steering gear box inner resin according to claim 1, wherein the rack guide is made of a linear synthetic resin such as polyacetal or nylon, and the rack guide is housed in an aluminum housing. Made of rack guide.