JPH03112555U

JPH03112555U -

Info

Publication number: JPH03112555U
Application number: JP2180990U
Authority: JP
Priority date: 1990-03-06
Filing date: 1990-03-06
Publication date: 1991-11-18

Description

[Brief explanation of drawings]

図面は本考案の実施例を示し、第１図はガス圧
下におけるピストンおよびピストンリングの要部
断面図、第２図はセカンドリングの合口拡大斜視
図、第３図はトツプリングの合口拡大斜視図であ
る。１……トツプリング、２……合口重なり部〓間
、７……セカンドリング、７ａ……合口凸部、７
ｂ……合口凹部、８……合口重なり部〓間、９…
…合口端面〓間、１０……凹凸部端面〓間。 The drawings show an embodiment of the present invention, in which Fig. 1 is a sectional view of the main parts of the piston and piston ring under gas pressure, Fig. 2 is an enlarged perspective view of the abutment of the second ring, and Fig. 3 is an enlarged perspective view of the abutment of the top ring. It is. 1...Top ring, 2...Abutment overlapping part between, 7...Second ring, 7a...Abutment convex part, 7
b...Abutment recess, 8...Abutment overlapping part, 9...
...Between the abutment end face, 10...Between the uneven end face.

Claims

[Scope of utility model registration request]

The abutments of the top ring and second ring fitted in the top ring groove and the second ring groove of a piston for internal combustion engines, respectively, are formed into complementary uneven shapes with overlapping parts, and the outer periphery of the top ring is formed between the overlapping parts of the top ring. A piston sealing device that is formed between the surface and the bottom surface, and the gap between the overlapping parts of the second ring is formed between the outer circumferential surface and the top surface of the second ring.