JPH0284873U

JPH0284873U -

Info

Publication number: JPH0284873U
Application number: JP16380988U
Authority: JP
Priority date: 1988-12-16
Filing date: 1988-12-16
Publication date: 1990-07-02

Description

[Brief explanation of drawings]

第１図は本考案の一実施例である蓋固定構造の
要部断面図であり、第２図はその固定構造を含む
ロータンク内部の断面図である。第３図は第１図
の蓋固定構造の要部横断面図であり、第４図は第
１図〜第３図における雌ねじ部材の正面図である
。第５図及び第６図は夫々本考案の他の実施例の
一部切欠正面図であり、第７図は従来の蓋固定構
造を含むタンク内部の断面図、第８図はその要部
の断面図である。１０：タンク本体、１４：フロート弁、２０，
５５：蓋、２２：操作軸、３０，５６：固定板、
３４：長穴、３６：雌ねじ部材、５０：ガイド筒
、５４：雄ねじ。 FIG. 1 is a sectional view of a main part of a lid fixing structure according to an embodiment of the present invention, and FIG. 2 is a sectional view of the inside of a low tank including the fixing structure. FIG. 3 is a cross-sectional view of a main part of the lid fixing structure shown in FIG. 1, and FIG. 4 is a front view of the internally threaded member in FIGS. 1 to 3. 5 and 6 are partially cutaway front views of other embodiments of the present invention, FIG. 7 is a cross-sectional view of the inside of the tank including the conventional lid fixing structure, and FIG. 8 is a main part of the tank. FIG. 10: Tank body, 14: Float valve, 20,
55: Lid, 22: Operation axis, 30, 56: Fixed plate,
34: Long hole, 36: Female thread member, 50: Guide tube, 54: Male thread.

Claims

[Claims for Utility Model Registration] An operating shaft is provided to protrude from the upper surface of the lid placed on the tank body, and a guide tube for guiding the operating shaft is attached to the lid, and the upper end of the operating shaft is attached to the lid. In a low tank of the type in which a float valve inside the tank is lifted and the valve part is opened by lifting it upward, a fixing device is disposed inside the tank body to engage with the back surface of the opening periphery of the tank body at least at one end. The screw member is held in the fixture so as to be immovable in the vertical direction and movable in the lateral direction, while a threaded portion corresponding to the screw member is formed in the guide tube and screwed into the screw member, and the screw member is screwed into the guide tube. A lid fixing structure for a low tank, characterized in that the lid and the fixture are fixed in a state in which the opening periphery of the tank body is sandwiched from both the front and back sides by the tightening force of the guide tube and the screw member.