JPS6353075U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of essential parts showing the first embodiment of the shaft seal device according to the present invention, FIG. 2 is a plan view of the inner (outer) tension ring, and FIG. 3 is the overall configuration of the second embodiment. 4 and 5 are side views showing other embodiments of the lining ring, and FIG. 6 is a sectional view of a main part of a conventional shaft seal device. 10... Outer ring, 20... Inner ring, 3
0, 31...Space, 40...High viscosity liquid, 50
...Casing, 10...Rotating shaft, 70...Two-screw kneader, 100...Shaft sealing device.

Claims (1)

[Claims for Utility Model Registration] (1) A plurality of outer rings whose outer peripheral surfaces are in contact with the casing and a plurality of inner rings whose inner peripheral surfaces are in contact are arranged alternately in the longitudinal direction of the shaft. A highly viscous liquid is injected into the space between the outer ring and the shaft and the space between the inner ring and the casing, and a microscopic liquid is injected into the space between the outer ring and the inner ring. A shaft seal device characterized in that a clearance is provided to allow relative displacement in the radial direction between the outer ring and the inner ring. (2) The shaft seal device according to claim 1 of the utility model registration, wherein the outer ring and the inner ring are formed from split ring members. (3) In claim 1 or 2 of the utility model registration claim, the high viscosity liquid has a viscosity of 100
,000 poise to 1,000,000 poise inert material. (4) The shaft seal device according to any one of claims 1 to 3 of the utility model registration claim, wherein the highly viscous liquid is silicone grease.