CN214304075U

CN214304075U - Combined piston ring

Info

Publication number: CN214304075U
Application number: CN202023099488.8U
Authority: CN
Inventors: 林慧敏
Original assignee: Jiangsu Suyang Packaging Co ltd
Current assignee: Jiangsu Suyang Packaging Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-09-28
Anticipated expiration: 2030-12-21

Abstract

The utility model belongs to the technical field of piston rings, in particular to a combined piston ring, which comprises a semicircular ring, wherein the inner side of the semicircular ring is provided with a holding tank, the outer side of the semicircular ring is provided with two circles of oil scraper rings, the semicircular ring is penetrated with a slot, two sides of the slot are staggered with a plurality of clamping grooves, and the clamping grooves are symmetrically arranged at two sides of the semicircular ring; insert solid fixed ring in the slot, gu be provided with the elasticity card on the fixed ring, elasticity card and draw-in groove looks adaptation, gu fixed ring both ends insert the semicircle ring respectively, two gu fixed ring is fixed with two semicircle rings, gu fixed ring is inconsistent between the inconsistent, inconsistent between the semicircle ring. The utility model discloses it is all very convenient to install and use, need not to leave the breach moreover.

Description

Combined piston ring

Technical Field

The utility model belongs to the technical field of the piston ring, specifically speaking especially relates to a modular piston ring.

Background

The piston ring is a metal elastic ring with large outward expansion deformation, which is assembled into a ring groove with a section corresponding to the ring groove, and the reciprocating and rotating piston ring forms a seal between the outer circumferential surface of the ring and the cylinder and one side surface of the ring and the ring groove by means of the pressure difference of gas or liquid. Piston rings are divided into two types: the compression ring can be used for sealing combustible mixed gas in the combustion chamber; the oil ring is used to scrape off the excessive oil on the cylinder.

Piston rings in the prior art are often all integrated, and the inconvenience brought by the integrated piston rings is that the piston rings are troublesome to install. And the piston rings are always provided with gaps, and the air tightness is not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides a modular piston ring, the installation is all very convenient with the use to the not enough that prior art exists, need not to leave the breach moreover.

The purpose of the utility model can be realized by the following technical scheme: a combined piston ring comprises a semicircular ring, wherein an accommodating groove is formed in the inner side of the semicircular ring, two rings of oil scraper rings are arranged on the outer side of the semicircular ring, an inserting groove is formed in the semicircular ring in a penetrating mode, a plurality of clamping grooves are formed in the two sides of the inserting groove in a staggered mode, and the clamping grooves are symmetrically formed in the two sides of the semicircular ring;

insert solid fixed ring in the slot, gu be provided with the elasticity card on the fixed ring, elasticity card and draw-in groove looks adaptation, gu fixed ring both ends insert the semicircle ring respectively, two gu fixed ring is fixed with two semicircle rings, gu fixed ring is inconsistent between the inconsistent, inconsistent between the semicircle ring.

Furthermore, the slot and the fixing ring are both semicircular.

Furthermore, in the combined state, the circle centers of the semicircular ring, the slot and the fixing ring are overlapped.

Furthermore, the clamping groove is triangular.

Furthermore, oil leakage holes are formed in the corresponding positions of the semicircular ring and the fixing ring.

Further, the section of the oil scraper ring is trapezoidal.

Further, the accommodating groove is internally connected with a spiral spring in a clamping manner.

The utility model has the advantages that:

1. the utility model is a combined type, the semicircular rings are inserted through the fixing rings, the fixing rings are mutually inconsistent, the semicircular rings are mutually inconsistent, the installation and the use are very convenient, and the stability is good;

2. the utility model does not need to leave gaps;

3. the utility model discloses an elasticity card income draw-in groove has increased the stability between solid fixed ring and the semicircle ring.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention in the assembled state;

FIG. 3 is a schematic view of a partial structure of the semi-circular ring of the present invention;

FIG. 4 is a schematic view of a partial structure of the fixing ring of the present invention;

fig. 5 is a schematic structural view in the use state of the present invention.

In the figure: 1. a semicircular ring; 2. accommodating grooves; 3. an oil scraper ring; 4. a slot; 5. a card slot; 6. a fixing ring; 7. an elastic card; 8. a coil spring; 9. an oil leakage hole.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings: as shown in fig. 1 to 4 in the attached drawings of the specification, a combined piston ring comprises a semicircular ring 1, wherein an accommodating groove 2 is formed in the inner side of the semicircular ring 1, two rings of oil scraper rings 3 are arranged on the outer side of the semicircular ring 1, slots 4 are formed in the semicircular ring 1 in a penetrating manner, a plurality of clamping grooves 5 are formed in the two sides of each slot 4 in a staggered manner, and the clamping grooves 5 are symmetrically arranged on the two sides of the semicircular ring 1;

insert solid fixed ring 6 in the slot 4, gu be provided with elasticity card 7 on the fixed ring 6, elasticity card 7 and draw-in groove 5 looks adaptation, gu 6 both ends of fixed ring insert semicircle ring 1 respectively, two gu fixed ring 6 is fixed with two semicircle rings 1, gu between the fixed ring 6 inconsistent, inconsistent between the semicircle ring 1.

Further, the slot 4 and the fixing ring 6 are both semicircular.

Furthermore, in the combined state, the circle centers of the semicircular ring 1, the slot 4 and the fixing ring 6 are overlapped.

Further, the clamping groove 5 is triangular.

Furthermore, oil leakage holes 9 are formed in corresponding positions on the semicircular ring 1 and the fixed ring 6.

Further, the oil scraper ring 3 has a trapezoidal cross section.

Further, a spiral spring 8 is clamped in the accommodating groove.

The use principle is as follows:

take a semicircle ring 1, insert solid fixed ring 6 in the slot 4 at both ends, gu be provided with elasticity card 7 on the fixed ring 6, the direction of elasticity card 7 is unanimous with the direction of draw-in groove 5, do not influence inserting of elasticity card 7, insert another semicircle ring 1 in the solid fixed ring 6 at both ends, impel solid fixed ring 6 simultaneously for when 7 cards of the elasticity card in two solid fixed ring 6 are gone into the position of inserting draw-in groove 5, elasticity card 7 resumes elastic deformation, the card is gone into in draw-in groove 5. At this time, the centers of the semicircular ring 1, the slot 4 and the fixing ring 6 are overlapped in a combined state. The fixing rings 6 are mutually abutted, and the semicircular rings 1 are mutually abutted. The utility model discloses simple structure, it is all very convenient to install and use, has better stability moreover. When the combination is complete, no gap is left.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. A modular piston ring, characterized in that: the oil scraper comprises a semicircular ring, wherein an accommodating groove is formed in the inner side of the semicircular ring, two rings of oil scraper rings are arranged on the outer side of the semicircular ring, an inserting groove is formed in the semicircular ring in a penetrating mode, a plurality of clamping grooves are formed in the two sides of the inserting groove in a staggered mode, and the clamping grooves are symmetrically arranged on the two sides of the semicircular ring;

2. A composite piston ring according to claim 1, wherein: the slot and the fixing ring are both semicircular.

3. A composite piston ring according to claim 1, wherein: and in the combined state, the circle centers of the semicircular ring, the slot and the fixing ring are superposed.

4. A composite piston ring according to claim 1, wherein: the clamping groove is triangular.

5. A composite piston ring according to claim 1, wherein: and oil leakage holes are formed in the corresponding positions of the semicircular ring and the fixed ring.

6. A composite piston ring according to claim 1, wherein: the section of the oil scraper ring is trapezoidal.

7. A composite piston ring according to claim 1, wherein: and a spiral spring is clamped in the accommodating groove.