JPH01140074U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す要部断面図、
第２図は他実施例を示す要部断面図である。 １……弁箱、２……流体通路、３……弁体、４
……弁座、７……弁座部パツキン、８……パツキ
ン押え、９……楔部材、１０……受部材、１１…
…操作部。 FIG. 1 is a cross-sectional view of essential parts showing an embodiment of the present invention;
FIG. 2 is a sectional view of a main part showing another embodiment. 1...Valve box, 2...Fluid passage, 3...Valve body, 4
... Valve seat, 7... Valve seat seal, 8... Seal holder, 9... Wedge member, 10... Receiving member, 11...
...Operation section.

Claims (1)

【実用新案登録請求の範囲】 (1) ボール弁の弁体側部の両側又は一方に圧接
するよう取付けた環状の弁座と、この弁座の外周
と弁箱との間に設けた環状の弁座部パツキンと、
この弁座部パツキンと圧接する環状の楔部と、こ
の楔部を弁箱外部から操作するよう流路と交差す
るよう設けた操作部と、から成り、前記楔部は環
状で互いに摺接可能で且つ流体通路と直交する方
向で楔作用をする傾斜面を有するパツキン押え、
楔部材及び受部材とを備えたことを特徴とするボ
ール弁のパツキン締付装置。 (2) 楔部としてのパツキン押えが、環状のバネ
及びパツキン受けを介して弁座部パツキンと圧接
するようにした請求項１記載のボール弁のパツキ
ン締付装置。[Claims for Utility Model Registration] (1) An annular valve seat attached to press against either side or one side of the valve body of a ball valve, and an annular valve provided between the outer periphery of the valve seat and the valve body. With Patsukin Zabe,
It consists of an annular wedge part that comes into pressure contact with the valve seat packing, and an operating part that is provided to intersect with the flow path so that the wedge part can be operated from outside the valve box, and the wedge parts are annular and can come into sliding contact with each other. and a packing holder having an inclined surface that acts as a wedge in a direction perpendicular to the fluid passage;
A ball valve seal tightening device comprising a wedge member and a receiving member. (2) The ball valve seal tightening device according to claim 1, wherein the seal holder serving as the wedge portion is brought into pressure contact with the valve seat seal via an annular spring and a seal receiver.