JPS63105077U

JPS63105077U -

Info

Publication number: JPS63105077U
Application number: JP20241786U
Authority: JP
Priority date: 1986-12-25
Filing date: 1986-12-25
Publication date: 1988-07-07
Anticipated expiration: 2001-12-25
Also published as: JPH0747739Y2

Description

[Brief explanation of the drawing]

第１図乃至第５図は本考案の第１実施例を示し
、第１図は全体縦断面図、第２図は要部の拡大断
面図、第３図は第２図のＡ―Ａ線断面図、第４図
は蓋体の底面図、第５図は弾性部材の成型状態を
示す概略説明図、第６図乃至第９図は本考案の第
２実施例を示し、第６図は蓋体の一部切欠斜視図
、第７図は蓋体の横断平面図、第８図は弾性部材
成型前の蓋体の底面図、第９図は弾性部材の射出
成型状態を示す概略説明図、第１０図および第１
１図は従来例を示し、第１０図は全体縦断面図、
第１１図は第１０図のＢ―Ｂ線断面図である。２１…フレーム、２２…底壁、２３…回転軸、
２４…上側軸受、２９…ギヤボツクス、３０…駆
動軸、３１，３２…ギヤ、３５…開口部、３７…
筒状部、３８…下側軸受、４０…弾性部材。 1 to 5 show a first embodiment of the present invention, in which FIG. 1 is an overall vertical sectional view, FIG. 2 is an enlarged sectional view of main parts, and FIG. 3 is a line AA in FIG. 2. 4 is a bottom view of the lid body, FIG. 5 is a schematic explanatory diagram showing the molded state of the elastic member, FIGS. 6 to 9 show a second embodiment of the present invention, and FIG. A partially cutaway perspective view of the lid, FIG. 7 is a cross-sectional plan view of the lid, FIG. 8 is a bottom view of the lid before the elastic member is molded, and FIG. 9 is a schematic explanatory diagram showing the state of injection molding of the elastic member. , Figure 10 and Figure 1
Figure 1 shows a conventional example, Figure 10 is an overall vertical sectional view,
FIG. 11 is a sectional view taken along the line BB in FIG. 10. 21... Frame, 22... Bottom wall, 23... Rotating shaft,
24... Upper bearing, 29... Gear box, 30... Drive shaft, 31, 32... Gear, 35... Opening, 37...
Cylindrical part, 38...lower bearing, 40...elastic member.

Claims

[Scope of utility model registration request]

An upper bearing is provided on the bottom wall of the frame, the upper side of the rotating shaft is pivotally supported on the upper bearing, the lower side of the rotating shaft and a drive shaft forming an appropriate angle with the rotating shaft are pivoted, and the rotating shaft is A gear box containing a gear provided on the lower side and a gear provided on the drive shaft meshing with this gear is fixed to the frame directly or indirectly through another member, and the gear box is fixed to the rotating shaft. An opening is provided corresponding to the axis position of the shaft, and a lid is provided to close this opening.
A cylindrical portion that fits into the opening is provided on the lid,
A lower bearing for pivotally supporting the lower side of the rotary shaft is disposed inside the cylindrical portion so as to correspond to the axis position of the rotary shaft, and at least the inner circumference of the cylindrical portion is disposed within the cylindrical portion of the lid. An elastic member is injection molded to fill the space between the surface and the outer circumferential surface of the lower bearing, and the lid body is fixed to a gearbox with a rotating shaft pivotally supported by the lower bearing. Anti-vibration device for the rotating shaft in a rotation transmission device.