JPH02140022U

JPH02140022U -

Info

Publication number: JPH02140022U
Application number: JP4925689U
Authority: JP
Priority date: 1989-04-26
Filing date: 1989-04-26
Publication date: 1990-11-22
Anticipated expiration: 2004-04-26
Also published as: JPH0732979Y2

Description

[Brief explanation of the drawing]

第１図は本考案の合成樹脂軸受の第１実施例を
示す縦断面図、第２図は第１図の平面図、第３図
は第１実施例からなる合成樹脂軸受をストラツト
型サスペンシヨンに適用した例を示す縦断面図、
第４図は本考案の合成樹脂軸受の第２実施例を示
す縦断面図、第５図は第２実施例からなる合成樹
脂軸受を他の型式のストラツト型サスペンシヨン
に適用した例を示す縦断面図、第６図は本考案の
合成樹脂軸受の第３実施例を示す縦断面図、第７
図は第３実施例からなる合成樹脂軸受を第５図と
同様の型式のストラツト型サスペンシヨンに適用
した例を示す縦断面図である。１……合成樹脂軸受、２……合成樹脂製下部ケ
ース、３……合成樹脂製上部ケース、４……合成
樹脂製軸受片、４１……円板状スラスト軸受片、
４２……円筒状ラジアル軸受片。 Fig. 1 is a longitudinal sectional view showing a first embodiment of the synthetic resin bearing of the present invention, Fig. 2 is a plan view of Fig. 1, and Fig. 3 shows the synthetic resin bearing of the first embodiment in a strut type suspension. A vertical cross-sectional view showing an example of application to
Fig. 4 is a longitudinal cross-sectional view showing a second embodiment of the synthetic resin bearing of the present invention, and Fig. 5 is a longitudinal cross-sectional view showing an example in which the synthetic resin bearing of the second embodiment is applied to another type of strut type suspension. FIG. 6 is a longitudinal sectional view showing the third embodiment of the synthetic resin bearing of the present invention, and FIG. 7 is a top view.
The figure is a longitudinal sectional view showing an example in which the synthetic resin bearing of the third embodiment is applied to a strut-type suspension of the same type as that shown in FIG. 5. 1...Synthetic resin bearing, 2...Synthetic resin lower case, 3...Synthetic resin upper case, 4...Synthetic resin bearing piece, 41...Disc-shaped thrust bearing piece,
42...Cylindrical radial bearing piece.

Claims

[Scope of Claim for Utility Model Registration] (1) A synthetic resin bearing consisting of a synthetic resin lower case, a synthetic resin upper case, and synthetic resin bearing pieces arranged in the upper and lower cases, the lower part The case includes a cylindrical part, a wide flange integrally formed at the lower end of the cylindrical part and expanding outward in the radial direction, an annular protrusion formed concentrically with the cylindrical part on the upper surface of the flange, and the annular protrusion. and an annular engagement protrusion formed on the outer peripheral edge of the flange part with an annular groove in between, and an annular protrusion having an inner surface of the cylindrical part and an annular step part at the upper end of the cylindrical part to expand in diameter. . The upper case consists of a cylindrical block part, an annular flange integrally formed on the upper edge of the inner cylindrical surface of the cylindrical block, an annular groove formed on the lower surface of the flange, and an inner surface formed on the lower surface of the cylindrical block. The device includes an annular hanging portion formed concentrically with the cylindrical surface portion, and an annular engaging hanging portion formed on the outer peripheral edge of the cylindrical block portion with an annular groove separating the hanging portion from the annular hanging portion. The lower case has an annular protrusion on the upper end of the cylindrical portion engaged with an annular groove on the lower surface of the annular flange of the upper case, and an annular groove on the wide flange with an annular hanging portion of the upper case, and an annular engagement protrusion. is assembled with the upper case by being elastically attached to the annular engaging hanging part of the upper case. The bearing piece consists of a disk-shaped thrust bearing piece having inner and outer circumferential surfaces and a cylindrical radial bearing piece having inner and outer circumferential surfaces. are in sliding contact with the lower surface of the cylindrical block of the upper case, and the radial bearing piece has an inner circumferential surface on the outer circumferential surface of the cylindrical portion of the lower case, and an outer circumferential surface on the inner cylindrical surface of the cylindrical block portion of the upper case. Arranged in sliding contact. Between the upper and lower cases, there is an elastic attachment part between the annular engagement hanging part of the upper case and the annular engagement protrusion of the lower case, and an engagement part between the annular protrusion of the lower case and the annular groove of the upper case. and a sealing portion by a labyrinth effect is formed at the engagement portion between the annular groove of the lower case and the annular hanging portion of the upper case. A synthetic resin bearing characterized by the above configuration. (2) A synthetic resin bearing consisting of a synthetic resin lower case, a synthetic resin upper case, and synthetic resin bearing pieces disposed inside the upper and lower cases, the lower case comprising a cylindrical part and a cylindrical part. A wide flange extending outward in the radial direction integrally formed at the lower end of the flange; an annular protrusion formed concentrically with the cylindrical portion on the upper surface of the flange; The cylindrical part has an annular engagement protrusion formed on the outer peripheral edge thereof and an annular stepped part formed on the outer peripheral surface of the upper end of the cylindrical part. The upper case includes a cylindrical part, a disc-shaped part integrally formed at the lower end of the cylindrical part and expanding outward in the radial direction, and an annular hanging part formed concentrically with the cylindrical part on the lower surface of the disc-shaped part. and an annular engaging hanging part formed on the outer periphery of the disc-shaped part with an annular groove between the hanging part and the annular groove, and an annular collar part extending toward the inner peripheral surface of the upper end of the cylindrical part. . The lower case has an annular stepped portion at the upper end of the cylindrical portion to engage the annular flange at the upper end of the cylindrical portion of the upper case, an annular groove of the wide flange to the annular hanging portion of the upper case, and an annular engagement protrusion. is assembled with the upper case by being elastically attached to the annular engaging hanging part of the upper case. The bearing piece consists of a disk-shaped thrust bearing piece having inner and outer circumferential surfaces and a cylindrical radial bearing piece having inner and outer circumferential surfaces. The radial bearing pieces each have an inner peripheral surface in sliding contact with the disc-shaped lower surface of the upper case, and an inner peripheral surface of the radial bearing piece with the outer peripheral surface of the cylindrical portion of the upper case.
The outer circumferential surface should be in sliding contact with the inner circumferential surface of the cylindrical portion of the lower case. Between the upper and lower cases, there is an elastic attachment part between the annular engaging hanging part of the upper case and the annular engaging projection part of the lower case, and an annular step part of the lower case and an annular collar part of the upper case. A sealing portion by a labyrinth effect is formed at the engaging portion and the engaging portion between the annular groove of the lower case and the annular hanging portion of the upper case. A synthetic resin bearing characterized by the above configuration. (3) A synthetic resin bearing consisting of a synthetic resin lower case, a synthetic resin upper case, and synthetic resin bearing pieces disposed inside the upper and lower cases, the lower case comprising a cylindrical part and a cylindrical part. A wide flange extending radially outward integrally formed on the upper end, an annular protrusion formed concentrically with the cylindrical part on the upper surface of the flange, and an annular groove separated from the annular protrusion by the flange. An annular engagement protrusion formed on the outer periphery of the cylinder, and an annular flange extending toward the inner surface of the cylinder at the lower end of the cylinder. The upper case includes a cylindrical part, a disc-shaped part integrally formed at the upper end of the cylindrical part and expanding outward in the radial direction, and an annular hanging part formed concentrically with the cylindrical part on the lower surface of the disc-shaped part. and an annular engaging hanging part formed on the outer peripheral edge of the disc-shaped part with an annular groove separating the hanging part and an annular groove, and an annular step part formed on the outer peripheral surface of the lower end of the cylindrical part. The lower case engages the annular flange at the lower end of the cylinder with the annular step at the lower end of the cylinder of the upper case, and the annular groove of the wide flange with the annular hanging part of the upper case, and also includes an annular engagement protrusion. is assembled with the upper case by being elastically attached to the annular engaging hanging part of the upper case. The bearing piece consists of a disk-shaped thrust bearing piece having inner and outer circumferential surfaces and a cylindrical radial bearing piece having inner and outer circumferential surfaces. The radial bearing pieces each have an inner peripheral surface in sliding contact with the disc-shaped lower surface of the upper case, and an inner peripheral surface of the radial bearing piece with the outer peripheral surface of the cylindrical portion of the upper case.
The outer circumferential surface should be in sliding contact with the inner circumferential surface of the cylindrical portion of the lower case. Between the upper and lower cases, there is an elastic attachment part between the annular engaging hanging part of the upper case and the annular engaging projection part of the lower case, and an annular collar part of the lower case and an annular stepped part of the upper case. A sealing portion by a labyrinth effect is formed at the engaging portion and the engaging portion between the annular groove of the lower case and the annular hanging portion of the upper case. A synthetic resin bearing characterized by the above configuration.