CN218563758U

CN218563758U - High-wear-resistance piston ring

Info

Publication number: CN218563758U
Application number: CN202222692851.XU
Authority: CN
Inventors: 黄文兵; 柏正宝
Original assignee: Nanjing Huaqin Auto Parts Co ltd
Current assignee: Nanjing Huaqin Auto Parts Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-03
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to a piston ring technical field especially relates to a high wear-resisting piston ring includes the piston ring main part, piston ring main part outside block sets up the sealing layer, and both ends symmetry sets up the buffer layer about the piston ring main part, and the inboard block of piston ring main part is equipped with the wearing layer. The utility model discloses during the use to sealing layer, buffer layer and the wearing layer that the block set up are installed in the piston ring main part, make things convenient for the later stage to damage and dismantle the change, practice thrift the cost.

Description

High-wear-resistance piston ring

Technical Field

The utility model relates to a piston ring technical field especially relates to a high wear-resisting piston ring.

Background

The piston ring is a metal ring embedded in the piston groove and is divided into a compression ring and an oil ring, wherein the compression ring can be used for sealing combustible mixed gas in a combustion chamber; the oil ring is used to scrape off the excessive oil on the cylinder.

When using, the wearing and tearing of machine operation to the piston ring are very serious, and the piston ring wearability is relatively poor, leads to often going on the piston ring more, has increased use cost, and leakproofness goes wrong when the piston ring uses, can lead to machine oil to reveal to the combustion chamber, influences the machine and uses.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a high-wear-resistance piston ring, which comprises a piston ring main body, wherein a sealing layer is clamped at the outer side of the piston ring main body, buffer layers are symmetrically arranged at the upper end and the lower end of the piston ring main body, and a wear-resistant layer is clamped at the inner side of the piston ring main body;

the piston ring main body comprises a piston ring body, buffer grooves, limiting grooves and a limiting bottom plate, the buffer grooves are symmetrically formed in the upper end surface and the lower end surface of the piston ring body, and the limiting grooves are formed in the middle of the left end surface and the right end surface of the piston ring body;

the sealing layer comprises a sealing layer gasket ring, a limiting ring and a sealing shielding plate, the limiting ring is fixedly installed in the middle of the inner side of the sealing layer gasket ring, the limiting ring is correspondingly clamped with the limiting groove, and the sealing shielding plate is fixedly installed at the head end of the sealing layer gasket ring.

As an optimized technical scheme of the utility model, piston ring body tail end fixed mounting limit bottom plate.

As an optimized technical scheme of the utility model, the buffer layer includes block bottom plate and cushion ring.

As a preferred technical scheme of the utility model, the block bottom plate corresponds the block setting with the dashpot, fixed mounting cushion ring on the block bottom plate side end face.

As an optimized technical scheme of the utility model, the wearing layer includes block inner ring and anti-abrasion block.

As a preferred technical scheme of the utility model, the block inner ring sets up with the spacing groove block, the inboard middle part fixed mounting a plurality of semicircular anti-abrasion block of block inner ring.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the utility model discloses during the use, insert through spacing ring and spacing groove and close, settle the sealing layer backing ring in the piston ring main part outside to increase the leakproofness of piston ring.

2. The utility model discloses during the use to sealing layer, buffer layer and the wearing layer that the block set up are installed in the piston ring main part, make things convenient for the later stage to damage and dismantle the change, practice thrift the cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a sealing shutter according to the present invention;

fig. 3 is a schematic structural diagram of the middle limiting bottom plate of the present invention.

Wherein: 1. a piston ring body; 2. a sealing layer; 3. a buffer layer; 4. a wear resistant layer;

11. a piston ring body; 12. a buffer tank; 13. a limiting groove; 14. a limiting bottom plate; 21. a seal layer backing ring; 22. a limiting ring; 23. sealing the shielding plate; 31. clamping the bottom plate; 32. a cushion ring; 41. clamping the inner ring; 42. and an anti-abrasion block.

Detailed Description

As shown in fig. 1-3, the utility model provides a high wear-resistant piston ring, which comprises a piston ring main body 1, a sealing layer 2 is clamped and arranged at the outer side of the piston ring main body 1, buffer layers 3 are symmetrically arranged at the upper end and the lower end of the piston ring main body 1, and a wear-resistant layer 4 is clamped and arranged at the inner side of the piston ring main body 1;

the piston ring main body 1 comprises a piston ring body 11, a buffer groove 12, a limiting groove 13 and a limiting bottom plate 14, wherein the buffer groove 12 is symmetrically formed in the upper end surface and the lower end surface of the piston ring body 11, the limiting groove 13 is formed in the middle of the left end surface and the right end surface of the piston ring body 11, and the limiting bottom plate 14 is fixedly installed at the tail end of the piston ring body 11;

the sealing layer 2 comprises a sealing layer backing ring 21, a limiting ring 22 and a sealing shielding plate 23, the limiting ring 22 is fixedly installed in the middle of the inner side of the sealing layer backing ring 21, the limiting ring 22 is correspondingly clamped with the limiting groove 13, the sealing shielding plate 23 is fixedly installed at the head end of the sealing layer backing ring 21, the sealing layer backing ring 21 is arranged on the outer side of the piston ring main body 1 through the insertion of the limiting ring 22 and the limiting groove 13, and therefore the sealing performance of the piston ring is improved, and meanwhile, the sealing layer 2 can be conveniently detached and replaced when damaged in the later period;

the buffer layer 3 comprises a clamping bottom plate 31 and a buffer backing ring 32, the clamping bottom plate 31 and the buffer groove 12 are correspondingly clamped, the buffer backing ring 32 is fixedly installed on the end face of the side of the clamping bottom plate 31, and through the increase of the buffer backing ring 32, the direct vibration transmission of the contact surface between a piston ring and a piston is reduced, so that the damage caused by extrusion is reduced;

the wearing layer 4 includes block inner ring 41 and anti-abrasion block 42, and block inner ring 41 sets up with spacing groove 13 block, and the inboard middle part fixed mounting of block inner ring 41 semicircle anti-abrasion block 42 is arranged at block inner ring 41 inboardly through anti-abrasion block 42 equidistance, prevents direct friction between piston ring and the piston groove face, increases the life of piston ring.

The utility model discloses in the real time, insert through spacing ring 22 and spacing groove 13 and close, settle sealing layer backing ring 21 in the 1 outside of piston ring main part, thereby increase the leakproofness of piston ring, increase through cushion ring 32, reduce the direct vibration transmission of contact surface between piston ring and the piston, and then reduce the damage that the extrusion brought, arrange at 41 inboards of block inner ring through wearing proof block 42 equidistance, prevent direct friction between piston ring and the piston groove face, increase the life of piston ring, simultaneously with sealing layer 2 of block setting, buffer layer 3 and wearing layer 4, make things convenient for the later stage to damage the dismantlement change, and the cost is saved.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. A high-wear-resistance piston ring comprises a piston ring main body (1), and is characterized in that a sealing layer (2) is clamped and arranged on the outer side of the piston ring main body (1), buffer layers (3) are symmetrically arranged at the upper end and the lower end of the piston ring main body (1), and a wear-resistant layer (4) is clamped and arranged on the inner side of the piston ring main body (1);

the piston ring main body (1) comprises a piston ring body (11), buffer grooves (12), limiting grooves (13) and a limiting bottom plate (14), wherein the buffer grooves (12) are symmetrically formed in the upper end surface and the lower end surface of the piston ring body (11), and the limiting grooves (13) are formed in the middle of the left end surface and the right end surface of the piston ring body (11);

sealing layer (2) are including sealing layer backing ring (21), spacing ring (22) and sealed sunshade (23), and inside middle part fixed mounting spacing ring (22) of sealing layer backing ring (21), spacing ring (22) correspond the block with spacing groove (13), and sealing layer backing ring (21) head end fixed mounting seals sunshade (23).

2. A high wear-resistant piston ring according to claim 1, characterized in that a limit bottom plate (14) is fixedly mounted at the tail end of the piston ring body (11).

3. A highly wear-resistant piston ring as claimed in claim 1, characterized in that said cushion layer (3) comprises a snap-fit bottom plate (31) and a cushion ring (32).

4. A highly wear-resistant piston ring as set forth in claim 3, wherein the engaging base plate (31) is engaged with the buffer groove (12), and a buffer ring (32) is fixedly mounted on the side end surface of the engaging base plate (31).

5. A highly wear-resistant piston ring according to claim 1, characterized in that said wear layer (4) comprises a snap-in inner ring (41) and a wear block (42).

6. The piston ring with high wear resistance as claimed in claim 5, wherein the inner snap ring (41) is snap-fitted into the retaining groove (13), and a plurality of semicircular wear blocks (42) are fixedly mounted in the middle of the inner side of the inner snap ring (41).