Internal combustion engine piston capable of reducing abrasion

By employing a combination design of a high-temperature resistant filling layer and a wear-resistant layer on the internal combustion engine piston, along with a sealing ring and a reinforcing ring, the problem of poor wear resistance of the piston material is solved, achieving wear-resistant and high-temperature resistant performance of the piston, extending its service life and improving fuel efficiency.

CN223881280UActive Publication Date: 2026-02-06JIANGSU SIDA POWER MECHANICAL GROUP
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Patent Information

Application Number
CN202520433053.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-06
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The poor wear resistance of existing internal combustion engine piston materials leads to short piston life and high wear, affecting engine efficiency and economy.

Method used

It adopts a combination design of high temperature resistant filler layer and wear resistant layer, combined with sealing ring and reinforcing ring. 4032 aluminum alloy or nickel alloy is used as high temperature resistant filler layer, and DLC coating or high silicon aluminum alloy coating is used as wear resistant layer. Lubricating oil grooves and chamfers are set on the plug body and piston head.

Benefits of technology

It improves the wear resistance and high-temperature resistance of the piston, reduces friction, extends piston life, prevents oil leakage, and improves fuel efficiency and service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223881280U_ABST
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Abstract

The internal combustion engine piston capable of reducing abrasion comprises a piston body and a piston head, the piston body and the piston head are fixed, a piston ring groove is formed in the outer wall of the circumference of the piston head, a sealing ring is fixedly connected in the piston ring groove, a plurality of reinforcing rings are fixed in the piston head, the piston body comprises a high-temperature-resistant filling layer, and the high-temperature-resistant filling layer is arranged in the piston ring groove. A high-temperature-resistant filling layer is fixedly connected to the outer side of the plug body, a wear-resistant layer is fixedly connected to the outer side of the high-temperature-resistant filling layer, the high-temperature-resistant filling layer is made of aluminum alloy or nickel alloy, the wear-resistant layer is a dlc coating or a high-silicon aluminum alloy coating, and an assembly hole is formed in the bottom of the plug body. According to the wear-resistant piston, the high-temperature-resistant filling layer and the wear-resistant layer are matched for use, so that the piston body is more wear-resistant and high-temperature-resistant, the service life of the piston is prolonged, meanwhile, the piston and an external device can be connected more tightly through the sealing ring, and the piston head can be firmer and more durable through the reinforcing ring.
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Description

TECHNICAL FIELD

[0001] The utility model relates to piston technical field especially relates to a reduce the internal combustion engine piston of abrasion. BACKGROUND

[0002] Internal combustion engine as an important power machine, is widely used in modern society. Its core component piston bears high pressure, high temperature and strong impact and other harsh working conditions, puts forward very high request to its wear resistance.

[0003] However, the material of the existing internal combustion engine piston usually has the problem of poor wear resistance, which leads to short service life of the piston, large loss, and affects the engine efficiency and economy. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides an internal combustion engine piston reducing abrasion.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An internal combustion engine piston reducing abrasion, including plug body and piston head, and plug body and piston head are fixed, the circumference outer wall of piston head is equipped with piston ring groove, and the inside of piston ring groove is fixedly connected with sealing ring, the inside of piston head is fixed with a plurality of reinforcing rings, the plug body includes high-temperature-resistant filling layer, and the outside of high-temperature-resistant filling layer is fixedly connected with wear-resistant layer.

[0007] As a further scheme of the utility model, the high-temperature-resistant filling layer is aluminum alloy or nickel alloy.

[0008] As a further scheme of the utility model, the wear-resistant layer is dlc coating or high-silicon aluminum alloy coating.

[0009] As a further scheme of the utility model, the bottom of plug body is equipped with assembly hole.

[0010] As a further scheme of the utility model, the top of plug body is equipped with chamfer.

[0011] As a further scheme of the utility model, the circumference outer wall of piston head is equipped with lubricating oil groove.

[0012] The utility model has the advantages of:

[0013] 1. The utility model cooperates with high-temperature-resistant filling layer and wear-resistant layer, so that the plug body is more wear-resistant and high-temperature-resistant, the piston can adapt to high-temperature and high-pressure working environment, the loss of the piston is smaller, and the service life of the internal combustion engine is prolonged.

[0014] 2. The utility model discloses a sealing ring can make the device with external device connection more closely, avoid the situation of oil leakage in the process of using, can make the piston head more firm and durable through the reinforcing ring. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 A three-dimensional structure schematic diagram of the internal combustion engine piston with reduced wear is provided for the utility model;

[0016] Fig. 2 A piston head cross-sectional structure schematic diagram of the internal combustion engine piston with reduced wear is provided for the utility model;

[0017] Fig. 3 A piston head structure schematic diagram of the internal combustion engine piston with reduced wear is provided for the utility model.

[0018] In the drawing: 1, piston head; 2, sealing ring; 3, piston ring groove; 4, lubricating oil groove; 5, plug body; 6, assembly hole; 7, chamfer; 8, reinforcing ring; 9, wear-resistant layer; 10, high-temperature-resistant filling layer. DETAILED DESCRIPTION

[0019] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and in the above description of the drawings are used only for distinguishing between similar objects, and do not necessarily have to describe a specific order or sequence, so that the embodiments of the present application described herein, based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0020] Embodiment one

[0021] Referring to Figs. 1-3 A kind of internal combustion engine piston with reduced wear, including plug body 5 and piston head 1, and plug body 5 is fixed with piston head 1, the circumference outer wall of piston head 1 is set with piston ring groove 3, the inside of piston ring groove 3 is bonded with sealing ring 2, sealing ring 2 makes the device with external device connection more closely, avoids the situation of oil leakage in the process of using, plug body 5 includes high-temperature-resistant filling layer 10, high-temperature-resistant filling layer 10 outside is sprayed with wear-resistant layer 9.

[0022] The utility model discloses, need explain, high temperature resistant filling layer 10 is 4032 aluminum alloy, the hardness of 4032 aluminum alloy is high, and the heat resistance is strong, and has good fatigue resistance, and the wear -resistant layer 9 is dlc coating, and dlc coating has high hardness, and the friction coefficient is low, can reduce friction, also has good chemical stability and low thermal conductivity, the bottom of plug body 5 is provided with assembly hole 6, and the device is connected with external device conveniently, the top of plug body 5 is equipped with chamfer 7, and convenient assembly is equipped with lubricating oil groove 4 in the circumference outer wall of piston head 1, and convenient lubricating oil is added, and a plurality of reinforcing rings 8 are fixed in the inside of piston head 1, make piston head 1 more firm durable.

[0023] Working principle: when needing a kind of internal combustion engine piston capable of reducing wear, the hardness of 4032 aluminum alloy is high, and the heat resistance is strong, and has good fatigue resistance, so that the piston can have good high-temperature-resistant effect, dlc coating has high hardness, and the friction coefficient is low, can reduce friction, also has good chemical stability and low thermal conductivity, so as to improve the fuel efficiency of internal combustion engine and prolong service life, and also can make piston head 1 more firm durable through reinforcing ring 8.

[0024] Example two

[0025] Refer to Figs. 1-3 A kind of internal combustion engine piston capable of reducing wear, including plug body 5 and piston head 1, and plug body 5 is fixed with piston head 1, and the circumference outer wall of piston head 1 is provided with piston ring groove 3, and the inside of piston ring groove 3 is bonded with sealing ring 2, sealing ring 2 makes the device and external device more closely connected, avoids the situation that oil leakage is prone to appear in the process of use, plug body 5 includes high temperature resistant filling layer 10, the outside of high temperature resistant filling layer 10 is sprayed with wear -resistant layer 9, by the cooperation of high temperature resistant filling layer 10 and wear -resistant layer 9, make plug body 5 more wear -resistant, high temperature resistant simultaneously, to improve the service life of internal combustion engine.

[0026] The utility model discloses, need explain, high temperature resistant filling layer 10 is nickel alloy, nickel alloy not only has good corrosion resistance, can resist various corrosive media, can also keep stable performance under high temperature environment, is applicable to high temperature, high pressure working environment, in addition, nickel alloy shows good anti -creep performance under high temperature and high stress environment, can be applicable to high temperature application under long -term working condition, in addition still has excellent mechanical property, wear -resistant layer 9 is high silicon aluminum alloy coating, high silicon aluminum alloy coating has good heat resistance and corrosion resistance, can keep its strength and hardness under high temperature environment, has higher thermal stability, the bottom of plug body 5 is provided with assembly hole 6, and the device is assembled conveniently, the top of plug body 5 is equipped with chamfer 7, and the circumference outer wall of piston head 1 is provided with lubricating oil groove 4, and convenient lubricating oil is added, and a plurality of reinforcing rings 8 are fixed in the inside of piston head 1, make piston head 1 more firm durable.

[0027] Working principle: when a kind of internal combustion engine piston capable of reducing wear is needed, the plug body 5 is made of nickel alloy, which has good corrosion resistance, can resist various corrosive media, and can maintain stable performance in high temperature environment, suitable for high temperature and high pressure working environment, in addition, nickel alloy shows good creep resistance in high temperature and high stress environment, can be applied to high temperature application under long-term working condition, in addition, it has excellent mechanical properties, the high-silicon aluminum alloy coating makes the plug body 5 have good heat resistance and corrosion resistance, can maintain its strength and hardness in high temperature environment, has higher thermal stability.

[0028] The utility model has carried out the explanation through the above embodiment, and the person skilled in the art can understand that the utility model is not limited to the above embodiment, and more kinds of modifications can be made according to the teaching of the utility model, and these modifications all fall within the range of the utility model claimed to be protected, and the protection scope of the utility model is defined by the attached claims and its equivalent range.

Claims

1. An internal combustion engine piston with reduced wear, comprising a plug body (5) and a piston head (1), and the plug body (5) is fixed with the piston head (1), characterized in that, The circumferential outer wall of the piston head (1) is provided with a piston ring groove (3), the inside of the piston ring groove (3) is fixedly connected with a sealing ring (2), a plurality of reinforcing rings (8) are fixedly arranged in the piston head (1), the plug body (5) comprises a high-temperature-resistant filling layer (10), the outer side of the high-temperature-resistant filling layer (10) is fixedly connected with a wear-resistant layer (9), the high-temperature-resistant filling layer (10) is made of (4032) aluminum alloy or nickel alloy, and the wear-resistant layer (9) is made of dlc coating or high-silicon aluminum alloy coating.

2. A reduced wear internal combustion engine piston as in claim 1 wherein, The bottom of the plug body (5) is provided with an assembly hole (6).

3. A reduced wear internal combustion engine piston as in claim 2 wherein, The top of the plug body (5) is provided with a chamfer (7).

4. A reduced wear internal combustion engine piston as in claim 1 wherein, The circumferential outer wall of the piston head (1) is provided with a lubricating oil groove (4).