JPS5971981U

JPS5971981U - Reciprocating compressor

Info

Publication number: JPS5971981U
Application number: JP16702182U
Authority: JP
Inventors: 藤ケ谷　和幸
Original assignee: 日産自動車株式会社
Priority date: 1982-11-05
Filing date: 1982-11-05
Publication date: 1984-05-16

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、従来の往復動型コンプレッサの一例を示す縦
断面図、第２図は、ピストンが中央部にある状態を示す
第１図の■−■線に沿う断面図、第３図は、この考案の
一実施例を示す要部拡大断面図、第４図は、ピストン内
を摺動するブツシュの一部を切欠いてその内部構造を示
した斜視図である。１・・・・・・ピストン、１ａ・・・・・・長孔、６−
−−−−−クランク軸、６ａ・・・・・・クランクピン
、１２・・・・・・潤滑剤導入口、１４，１５．１６・
・・・・・ピストンの潤滑剤通路、２０・・・・・・ブ
ツシュ、２１・・・・・・凹溝、２２゜２３・・・・・
・ブツシュの潤滑剤導入用透孔。Fig. 1 is a longitudinal sectional view showing an example of a conventional reciprocating compressor, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1 showing a state where the piston is in the center, and Fig. 3 is a longitudinal sectional view showing an example of a conventional reciprocating compressor. FIG. 4 is an enlarged sectional view of a main part showing an embodiment of this invention, and FIG. 4 is a perspective view showing the internal structure of a bushing that slides inside a piston, with a part thereof cut away. 1... Piston, 1a... Long hole, 6-
----- Crankshaft, 6a... Crank pin, 12... Lubricant inlet, 14, 15. 16.
... Piston lubricant passage, 20 ... Bush, 21 ... Concave groove, 22゜23 ...
・Through hole for introducing lubricant into the bush.

Claims

[Scope of utility model registration request]

A bushing that fits loosely on the crank pin of a rotating crankshaft slides through a long hole in the piston perpendicular to the axial direction, causing the piston to reciprocate within the cylinder, and through valve mechanisms provided on the walls at both ends of the cylinder. In a reciprocating compressor in which fluid is sucked in and discharged, the piston includes:
A plurality of lubricant passages are provided to communicate the elongated hole with a lubricant inlet provided in the cylinder, and an annular groove is formed on the inner circumferential surface of the bushing, and the groove is connected to the outer circumferential surface of the bushing. A reciprocating compressor, characterized in that a through hole for introducing lubricant is provided, and at least a portion of the through hole is communicated with the lubricant passage of the piston.