JPS6268072U

JPS6268072U -

Info

Publication number: JPS6268072U
Application number: JP15608585U
Authority: JP
Priority date: 1985-10-12
Filing date: 1985-10-12
Publication date: 1987-04-28
Also published as: JPH0140373Y2

Description

[Brief explanation of drawings]

第１図はこの考案の第１の実施例の要部断面図
、第２図はその分解断面図、第３図は第２の実施
例を適用した密閉型電動昇降装置の一部破断正面
図、第４図はそのパツキンの部分断面図、第５図
はその平面図、第６図はパツキンの全体を示す平
面図、第７図は従来例の要部断面図、第８図は筒
部を示す半平面図、第９図は筒部の接続状態の側
面図、第１０図は提案例の要部断面図である。１，２……接続部、３，４……フランジ、５，
６……立片、７，８……筒部、９……つば、１０
……パツキン、１４……連結用ねじ。 Fig. 1 is a sectional view of essential parts of the first embodiment of this invention, Fig. 2 is an exploded sectional view thereof, and Fig. 3 is a partially cutaway front view of an enclosed electric lifting device to which the second embodiment is applied. , Fig. 4 is a partial sectional view of the packing, Fig. 5 is a plan view thereof, Fig. 6 is a plan view showing the entire packing, Fig. 7 is a sectional view of the main part of the conventional example, and Fig. 8 is a cylindrical part. 9 is a side view of the connected state of the cylindrical portion, and FIG. 10 is a sectional view of the main part of the proposed example. 1, 2... Connection part, 3, 4... Flange, 5,
6... Standing piece, 7, 8... Cylindrical part, 9... Brim, 10
...Packskin, 14...Connection screw.

Claims

[Claims for Utility Model Registration] (1) A pair of cylindrical parts having a flange on the outer periphery of the connecting end and a vertical piece extending in the connection direction along the entire circumference of the flange, and the pair of cylindrical parts. Waterproofing of a connection part comprising a gasket formed with a collar that is clamped between the flanges and between the vertical pieces, and a connecting screw that is passed through the collar and the gasket and brings the gasket into close contact. structure. (2) The contact surface of the packing that comes into contact with the flange has a ring-shaped protrusion centered on the screw insertion hole through which the connecting screw is passed, and a ring-shaped protrusion that is concentric with the outer periphery of the packing with the screw insertion hole in between. 1. A waterproof structure for a connecting portion as set forth in claim (1) of the utility model registration, which has ring-shaped protrusions formed on the inside and outside.