JPS63174581U

JPS63174581U -

Info

Publication number: JPS63174581U
Application number: JP15963286U
Authority: JP
Priority date: 1986-10-17
Filing date: 1986-10-17
Publication date: 1988-11-11

Description

[Brief explanation of the drawing]

第１図および第２図は本考案の一実施例に係る
往復動式冷媒圧縮機の弁装置を部分的に示す平面
図及び斜視図、第３図は従来の往復動式冷媒圧縮
機における弁装置を示す平面図、第４図は第３図
の―線に沿つて得た従来の弁装置の部分的な
断面図、第５図は第４図における吸入弁の最大変
形状態を示す弁装置の部分的な断面図、第６図は
吸入弁の変形状態を第３図の―線に沿つて得
た部分的な断面図である。１…シリンダ、１ａ…弁受け溝、２…吸入弁、
２ａ…環状部、２ｂ…突出部、３…ピン、６…弁
座板、６ｂ…吸入口。なお、図中同一符号は同一
部分又は相当部分を示す。 1 and 2 are a plan view and a perspective view partially showing a valve device of a reciprocating refrigerant compressor according to an embodiment of the present invention, and FIG. 3 is a valve device of a conventional reciprocating refrigerant compressor. 4 is a partial cross-sectional view of the conventional valve device taken along the line - in FIG. 3; FIG. 5 is the valve device showing the maximum deformation state of the suction valve in FIG. 4. FIG. 6 is a partial sectional view taken along the line ``--'' in FIG. 3, showing the deformed state of the suction valve. 1...Cylinder, 1a...Valve receiving groove, 2...Suction valve,
2a...Annular part, 2b...Protrusion part, 3...Pin, 6...Valve seat plate, 6b...Inlet. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A valve seat plate equipped with an annular suction port that opens into the cylinder, an annular portion that opens and closes the suction port, a protrusion provided opposite to the outer periphery of the annular portion, and a positioning portion provided on the protrusion. a suction valve having a hole and installed between the valve seat plate and the cylinder; and a pin implanted in the valve seat plate or the cylinder and fitted into a positioning hole of the suction valve, the cylinder A reciprocating refrigerant compressor, characterized in that a relief groove is provided in a contact portion of the inner peripheral surface with the outer periphery of the suction valve protrusion.