JPS6435263U

JPS6435263U -

Info

Publication number: JPS6435263U
Application number: JP13100887U
Authority: JP
Priority date: 1987-08-27
Filing date: 1987-08-27
Publication date: 1989-03-03

Description

[Brief explanation of the drawing]

第１図は本考案の弁構造を内蔵した切換弁の縦
断面図、第２図は第１図の―線矢視による横
断面図、第３図はシールリングと補強環の分解斜
視図、第４図は連通孔の面取り部を示す拡大断面
図、第５図は従来例を示すものである。１：本体、２：ブツシユ、３：流入部、４：第
１流出部、５：第２流出部、６：弁体、６ｂ：連
通孔、６ｃ：面取り部、７：スリツプワツシヤ、
８：Ｏリング、９，１０：段部、１１：シールリ
ング、１１ａ：シール面、１１ｂ：外層、１１ｃ
：フランジ、１１ｄ：内層、１２：補強環。 Fig. 1 is a vertical cross-sectional view of a switching valve incorporating the valve structure of the present invention, Fig. 2 is a cross-sectional view taken along the line - - of Fig. 1, and Fig. 3 is an exploded perspective view of the seal ring and reinforcing ring. FIG. 4 is an enlarged sectional view showing a chamfered portion of a communicating hole, and FIG. 5 shows a conventional example. 1: Main body, 2: Bush, 3: Inflow part, 4: First outflow part, 5: Second outflow part, 6: Valve body, 6b: Communication hole, 6c: Chamfered part, 7: Slip washer,
8: O ring, 9, 10: Step part, 11: Seal ring, 11a: Seal surface, 11b: Outer layer, 11c
: flange, 11d: inner layer, 12: reinforcing ring.

Claims

[Scope of utility model registration request]

A hollow cylindrical valve body with one end open is rotatably housed in the main body of a faucet or the like around its axis, and a communication hole through which water or hot water enters and exits is provided in the peripheral wall of the valve body. A flow path that can communicate is provided in the main body, the inside of the valve body is used as a passage flow path, and another flow path is connected to the open end side thereof, and the valve body includes the communication hole and is in close contact with the circumferential surface of the valve body. A valve structure in which a seal ring is provided at the end of the flow path on the main body side, wherein a gently curved chamfer is formed around the entire circumference of the outer opening edge of the communication hole. .