| 摘要 |
The present invention provides a liquid-in vibration isolating device, wherein a cylindrical body fitting (1) and an attachment fitting (2) are coupled through a vibration isolating substrate (3), an inner chamber surrounded by a diaphragm (4) disposed at the upper end portion and the vibration isolating substrate (3) is partitioned into a main liquid chamber (6) and a first sub-liquid chamber (7) by a partition portion (10), a first orifice (8) is formed on the outer circumferential portion of the partition member (10) to interconnect between the main liquid chamber (6) and the first sub-liquid chamber (7), the partition member (10) is configured by a partition plate member (11) having an elastic film (12) and an orifice member (13), a hollow space between a center plate portion (13b) of the orifice member and the elastic film (12) is formed as a second sub-liquid chamber(15), the center plate portion (13b) of the orifice member (13) is in the form of a convex faced toward the first sub-liquid chamber (7), and the orifice hole (16) from the first sub-liquid chamber (7) to the second sub-liquid chamber (15) is provided at a low level portion of the center plate portion (13b) by disposing eccentrically with respect to the device axis center, the orifice hole (16) is not covered by the diaphragm (4) to be able to maintain the function properly.
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