JPS61166188U

JPS61166188U -

Info

Publication number: JPS61166188U
Application number: JP4905786U
Authority: JP
Priority date: 1985-04-04
Filing date: 1986-04-03
Publication date: 1986-10-15

Description

[Brief explanation of drawings]

第１図は本考案によるシール装置を有する押し
のけ機械のロータとケーシングとの部分断面図、
第２図は第１図に示したシール装置をよりわかり
やすく示すための拡大断面図である。１……押しのけ機械、２ａ，２ｂ……ケーシン
グ、３……ロータ、４……ボス、５，６，７，８
……押しのけ部材、９，１０，１１，１２……押
しのけ室、１３……流入室、１４ａ，１４ｂ……
流出室、１５……貫通部、１８……パツキン、１
９……シール面、２０……パツキン、２１……シ
ール面、２２……シール条片、２３……ゴムコー
ド（ばね弾性的な部材）、２４……シール条片、
２５……波形ばね（ばね弾性的な部材）、２６…
…縁ウエブ。 FIG. 1 is a partial sectional view of a rotor and a casing of a displacement machine having a sealing device according to the present invention;
FIG. 2 is an enlarged cross-sectional view of the sealing device shown in FIG. 1 to make it easier to understand. 1...Pushing machine, 2a, 2b...Casing, 3...Rotor, 4...Boss, 5, 6, 7, 8
...Pushing member, 9, 10, 11, 12...Pushing chamber, 13...Inflow chamber, 14a, 14b...
Outflow chamber, 15... Penetration part, 18... Packing, 1
9... Seal surface, 20... Packing, 21... Seal surface, 22... Seal strip, 23... Rubber cord (spring elastic member), 24... Seal strip,
25... wave spring (spring elastic member), 26...
...edge web.

Claims

[Claims for Utility Model Registration] 1. Sealing device for a displacement machine for compressible media, comprising stationary casings 2a, 2b.
at least one displacement chamber 9, 10, 11, 12 arranged in the form of a helically extending slit with lateral edge webs 26, assigned to and engaged with each displacement chamber; 2, respectively having a strip shape and a displacement member 5, 6, 7, 8, which are also arranged in a helical manner, the displacement elements 5, 6, 7, 8 being attached to the casings 2a, 2b. Rotor 3 that can be driven eccentrically
The stationary casings 2a, 2b are supported by
Helical sealing strips 22, 24 provided in their respective grooves for sealing the axial gap between the rotor 3 and the rotating rotor 3 are connected to the edge web 26.
and the end surfaces of the displacement members 5, 6, 7, 8, the elastic members 23, 25 have relatively high toughness, while the other components have relatively high toughness. It is characterized by a relatively soft structure,
Sealing device for displacement machines for compressible media. 2. The spring elastic member 23 in the rotating displacement members 5, 6, 7, 8 has relatively high toughness,
2. The sealing device according to claim 1, wherein the spring-elastic elements 25 in the edge webs 26 of the stationary casings 2a, 2b are designed to be relatively soft. 3. The spring-elastic elements 23 of the rotating displacement elements 5, 6, 7, 8 are constituted by rubber cords, and the spring-elastic elements 25 of the edge webs 26 of the stationary casings 2a, 2b are formed by metal wave springs. A sealing device according to claim 2 of the utility model registration claim, which is constructed by: