JPS6058964U

JPS6058964U - Sealing device

Info

Publication number: JPS6058964U
Application number: JP14994783U
Authority: JP
Inventors: 下山　栄一
Original assignee: エヌオーケー株式会社
Priority date: 1983-09-28
Filing date: 1983-09-28
Publication date: 1985-04-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のシール装置の断面図、第２図は本考案の
シール装置の断面図、第３図は本考案の他のシール装置
の断面図、第４図は本考案の更に他のシール装置の断面
図である。１・・・シリンダ、２・・・ピストン、３・・・パツキ
ン用溝、４・・・支持リング、５・・・シールリング、
６・・・パツキン、７・・・異物シール用溝、８・・・
異物シール、９・・・環状部、１０・・・凸部、１１・
・・異物溜溝、１２　　・・・・流通穴、１３・・・各
筒部、１４・・・間隙、５０・・・シリンダ、５１・・
・ピストン、５２・・・パツキン用溝、５３！・・シー
ルリング、５４・・・伸性リング、５５・・・パツキン
、５６・・・ウェアリング、５７・・・溝。Fig. 1 is a sectional view of a conventional sealing device, Fig. 2 is a sectional view of a sealing device of the present invention, Fig. 3 is a sectional view of another sealing device of the present invention, and Fig. 4 is a sectional view of another sealing device of the present invention. FIG. 3 is a cross-sectional view of the sealing device. 1... Cylinder, 2... Piston, 3... Gasket groove, 4... Support ring, 5... Seal ring,
6...Packing, 7...Foreign substance sealing groove, 8...
Foreign matter seal, 9... Annular portion, 10... Convex portion, 11.
... Foreign matter storage groove, 12 ... Distribution hole, 13 ... Each cylinder part, 14 ... Gap, 50 ... Cylinder, 51 ...
・Piston, 52...Groove for packing, 53! ... Seal ring, 54 ... Elastic ring, 55 ... Packing ring, 56 ... Wear ring, 57 ... Groove.

Claims

[Claims for Utility Model Registration] 1. In a sealing device having a packing 6 provided on the fitting circumferential surface side of one of two members 1 and 2 that fit into each other and move relative to each other, pressure is applied to the packing 6. An annular foreign matter sealing groove 7 is provided on the one fitting circumferential surface on the side where the fluid acts, and the annular portion 9 that fits into the bottom surface of the foreign matter sealing groove 7 and the two circumferential surfaces of the annular portion 9 are provided. A seal characterized by comprising a foreign matter seal 8 having a foreign matter trap groove 11 formed between each convex portion 10 protruding so as to face the fitting peripheral surface of the other of the members 1 and 2. Device. 2. The sealing device according to claim 1, wherein the annular portion 9 is made of a magnetic material. 3. Scope of Utility Model Registration Claim No. 3, in which the protrusion 10 is provided with a communication hole 12 that penetrates in the axial direction, and adjacent communication holes 12 among the communication holes 12 provided in each protrusion 10 are not arranged in a straight line with each other. The sealing device according to item 1.