JPH0247418U

JPH0247418U -

Info

Publication number: JPH0247418U
Application number: JP12757688U
Authority: JP
Priority date: 1988-09-29
Filing date: 1988-09-29
Publication date: 1990-03-30

Description

[Brief explanation of drawings]

第１図は、本考案の一実施例たるセンタベアリ
ングマウントを示す横断面図であり、第２図は、
第１図における―断面図であり、第３図は、
第１図における―断面図である。また、第４
図は、第１図に示されているセンタベアリングマ
ウントを構成する一体加硫成形品を示す横断面図
であり、第５図は、第４図における―断面図
である。更に、第６図は、本考案の別の実施例た
るセンタベアリングマウントを示す横断面図であ
り、第７図は、第６図における―断面図であ
る。更にまた、第８図及び第９図は、それぞれ、
本考案の更に別の実施例たるセンタベアリングマ
ウントを示す横断面図である。１０，６８：センタベアリングマウント、１２
：内筒金具、１４：外筒金具、１６：ゴム弾性体
、１８：内孔、４８：第一の流体室（第一の受圧
室）、５０：第二の流体室（第二の受圧室）、５
２：第三の流体室（第三の受圧室）、６２：第一
のオリフイス通路、６４：第二のオリフイス通路
。 FIG. 1 is a cross-sectional view showing a center bearing mount as an embodiment of the present invention, and FIG.
This is a sectional view in FIG. 1, and FIG.
2 is a cross-sectional view in FIG. 1. FIG. Also, the fourth
The figure is a cross-sectional view showing an integrally vulcanized molded product constituting the center bearing mount shown in FIG. 1, and FIG. 5 is a cross-sectional view taken in FIG. 4. Furthermore, FIG. 6 is a cross-sectional view showing a center bearing mount as another embodiment of the present invention, and FIG. 7 is a cross-sectional view taken in FIG. 6. Furthermore, FIGS. 8 and 9 respectively show
FIG. 7 is a cross-sectional view showing a center bearing mount according to yet another embodiment of the present invention. 10, 68: Center bearing mount, 12
: Inner cylindrical metal fitting, 14: Outer cylindrical metal fitting, 16: Rubber elastic body, 18: Inner hole, 48: First fluid chamber (first pressure receiving chamber), 50: Second fluid chamber (second pressure receiving chamber) ), 5
2: third fluid chamber (third pressure receiving chamber), 62: first orifice passage, 64: second orifice passage.

Claims

[Claims for Utility Model Registration] A structure in which an inner cylindrical metal fitting and an outer cylindrical metal fitting arranged at a predetermined distance in the radial direction are integrally connected by a rubber elastic body interposed between them. In the center bearing mount, which has a vibration-proof support for the propulsion shaft of an automobile inserted into the inner cylinder metal fitting on the vehicle body side via the center bearing, between the inner cylinder metal fitting and the outer cylinder metal fitting, A first pressure receiving chamber, which is filled with a predetermined incompressible fluid and whose volume is changed by the input of radial vibrations exerted between the inner and outer cylindrical fittings, is installed over a predetermined length in the circumferential direction of the mount. a volume that is located on both sides of the first pressure receiving chamber in the circumferential direction, and whose increase and decrease is opposite to the volume change caused in the first pressure receiving chamber by inputting the radial vibration; A second pressure receiving chamber and a third pressure receiving chamber filled with a predetermined incompressible fluid in which a change is caused are provided independently, and the first pressure receiving chamber is connected to the second pressure receiving chamber. A center bearing mount comprising: a first orifice passage communicating with the third pressure receiving chamber; and a second orifice passage communicating the first pressure receiving chamber with the third pressure receiving chamber.