JPS6359890U

JPS6359890U -

Info

Publication number: JPS6359890U
Application number: JP15518586U
Authority: JP
Priority date: 1986-10-09
Filing date: 1986-10-09
Publication date: 1988-04-21
Also published as: JPH0223594Y2

Description

[Brief explanation of the drawing]

第１図は、本考案の第１実施例を示す一部破断
正面図、第２図は、第１図の―線縦断側面図
、第３図は、本考案の第２実施例を示す縦断正面
図である。１…本体、２…外向きフランジ、３…Ｏリング
、４…環状溝、５…湾曲部、６…蓋体、７…外向
きフランジ、８…凹部、８′…凹部、９…上部片
、１０…下部片、１１…主軸、１２…締付金具、
１３…貫通孔、１４…アイボルト、１５…ハンド
ル、１６…凹部、１７…螺杆、１８…球状体、１
９…切欠。 Fig. 1 is a partially cutaway front view showing the first embodiment of the present invention, Fig. 2 is a vertical cross-sectional side view taken along the line - - of Fig. 1, and Fig. 3 is a longitudinal cross-sectional view showing the second embodiment of the present invention. It is a front view. DESCRIPTION OF SYMBOLS 1... Main body, 2... Outward flange, 3... O-ring, 4... Annular groove, 5... Curved part, 6... Lid body, 7... Outward flange, 8... Recessed part, 8'... Recessed part, 9... Upper piece, 10...lower piece, 11...main shaft, 12...tightening metal fittings,
13... Through hole, 14... Eye bolt, 15... Handle, 16... Recess, 17... Screw rod, 18... Spherical body, 1
9...Notch.

Claims

[Claims for Utility Model Registration] 1. An outward facing flange is integrally provided at the upper end of a cylindrical tank body, and a lid body having an outer diameter equal to that of the flange of the tank is placed on the flange of the tank,
A tank in which a lower part of a U-shaped tightening fitting facing inward is brought into contact with the lower surface of the flange of the tank, and a lower part of a screw rod passing through the upper part is brought into contact with the lid body for tightening. In the type of lid tightening device, a required number of recesses are formed on the upper surface of the lid body,
A lid tightening device for tanks, wherein the lower part of the screw rod is engaged with the recess to prevent the tightening fitting from sliding in the lateral direction. 2 A recess consisting of a single annular groove or a plurality of V-shaped notches is formed at a required location near the periphery of the lid, and a V-shape corresponding to the recess of the lid is formed on the lower surface of the same number of screw rods as the recess. A recess consisting of a shaped notch is formed, and both V
The lid tightening device according to claim 1, wherein a hard spherical body is accommodated in the space formed between the letter-shaped cutout recesses. 3. The lid tightening device according to claim 2, wherein the spherical body is made of metal. 4. A utility model in which a recess with a relatively shallow depth is formed at a predetermined location on the upper surface of the lid, and a threaded portion corresponding to the lower part of the screw rod is formed on the circumferential surface, and the lower part of the screw rod is screwed into the recess. A capping device according to registered claim 1. 5 Utility model registration claims 1 to 4 in which the distance between the axis of the screw rod and the inner surface of the main shaft of the fastening fitting is equal to the distance between the recess on the top surface of the lid and the periphery of the lid The lid tightening device according to any one of.