JPS6448114U

JPS6448114U -

Info

Publication number: JPS6448114U
Application number: JP14239687U
Authority: JP
Priority date: 1987-09-18
Filing date: 1987-09-18
Publication date: 1989-03-24

Description

[Brief explanation of the drawing]

第１図はこの考案による油圧フイルタ装置の断
面図、第２図、第３図はこの動作説明図、第４図
は従来の油圧フイルタ装置の断面図である。図において１は一次側圧油の入口、２は一次側
油室、３はフイルタエレメント、４は二次側油室
、５は二次側圧油の出口、６はリリーフ弁、７は
ピストン、８はスプリング、９は指針、１０は表
示板、１１は圧力スイツチ、１２は油圧フイルタ
装置、１３はプランジヤ、１４は一次側圧油に接
する端面、１５は二次側圧油に接する端面、１６
は一次側油路と二次側油路を連絡する流路、１７
はスプリング、１８はピストン、１９は液面計で
ある。なお、図中同一あるいは相当部分には同一
符号を付して示してある。 FIG. 1 is a sectional view of a hydraulic filter device according to this invention, FIGS. 2 and 3 are explanatory diagrams of its operation, and FIG. 4 is a sectional view of a conventional hydraulic filter device. In the figure, 1 is the inlet of the primary pressure oil, 2 is the primary oil chamber, 3 is the filter element, 4 is the secondary oil chamber, 5 is the outlet of the secondary pressure oil, 6 is the relief valve, 7 is the piston, and 8 is the Spring, 9 is a pointer, 10 is a display plate, 11 is a pressure switch, 12 is a hydraulic filter device, 13 is a plunger, 14 is an end surface in contact with the primary pressure oil, 15 is an end surface in contact with the secondary pressure oil, 16
is a flow path connecting the primary oil path and the secondary oil path, 17
18 is a spring, 18 is a piston, and 19 is a liquid level gauge. It should be noted that the same or corresponding parts in the drawings are designated by the same reference numerals.

Claims

[Scope of utility model registration request]

A plunger having a first end surface in contact with the primary pressure oil and a second end surface in contact with the secondary pressure oil, a spring installed in contact with the second end surface, and a liquid level gauge that allows the liquid level height to be seen from the outside. and a piston configured such that one end is in contact with one end of the plunger and the other end is located within the liquid level gauge.