CN212642892U

CN212642892U - Internal combustion engine piston embedded with wear-resistant steel ring

Info

Publication number: CN212642892U
Application number: CN202021416167.3U
Authority: CN
Inventors: 钭丽红
Original assignee: Zhejiang Sanrui Internal Combustion Engine Parts Co ltd
Current assignee: Zhejiang Sanrui Internal Combustion Engine Parts Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-02
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses an internal combustion engine piston embedded with a wear-resistant steel ring, which comprises a piston head, a piston skirt and a wear-resistant mechanism, wherein the piston head is positioned at the top of the piston skirt, the outer side of the piston skirt is provided with a heat insulation groove, the inner part of the heat insulation groove is provided with a heat insulation ring, and the bottom of the piston head is provided with an oil hole; through the arc wall and the steel ring wearing part of design, make the piston strengthen its wearability in work, through setting up high temperature resistant layer, the anticorrosive coating, its wearability of wearing layer more near one step's reinforcing, increase life, the poor problem of its wearability has been solved, through the stagnant oil bin of design, the draught tube, cooling bin and branch oil bin, the volume of profiting of reinforcing cooling oil, improve the cooling effect of piston, chew through setting up the cooling, prevent that the piston is overheated, avoid the piston to produce the carbon deposit because overheated and influence life, through setting up the ring channel, piston ring and closing plate, strengthen the leakproofness of piston greatly, the poor problem of cooling effect and leakproofness has been solved.

Description

Internal combustion engine piston embedded with wear-resistant steel ring

Technical Field

The utility model belongs to the technical field of the internal-combustion engine, concretely relates to inlay combustion engine piston of wear-resisting steel ring.

Background

The piston of the internal combustion engine bears alternating mechanical load and thermal load, is one of the most severe key parts in the working condition of the internal combustion engine, has the functions of bearing gas pressure, and is transmitted to a connecting rod through a piston pin to drive a crankshaft to rotate, and the piston has various structures.

The existing internal combustion engine piston has many problems in use, for example, the internal combustion engine piston has poor wear resistance, and the problem that the piston is heated and scalded to influence the service life due to the low wear resistance in work is solved, so that the internal combustion engine piston embedded with the wear-resistant steel ring is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inlay combustion engine piston of wear-resisting steel ring to the current combustion engine piston who provides in solving above-mentioned background often can have many problems when using, for example combustion engine piston's wear resistance is relatively poor, can be because the lower piston that causes of wear resistance generates heat and scalds, influences life's problem in work.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inlay internal-combustion engine piston of wear-resisting steel ring, includes piston head, piston skirt and wear-resisting mechanism, the piston head is located the top of piston skirt, the outside of piston skirt is provided with the heat-insulating groove, and the inside of heat-insulating groove is provided with thermal-insulated circle, the bottom of piston skirt is provided with the oilhole.

Preferably, the top of the piston head is provided with a cooling mechanism, the outer side of the piston skirt is provided with an annular groove, a piston ring is arranged in the annular groove, and the front surface of the piston ring is provided with a sealing plate.

Preferably, the wear-resisting mechanism comprises a first arc-shaped groove, a first steel ring wear-resisting part is arranged in the first arc-shaped groove, a second arc-shaped groove is arranged at the bottom of the first arc-shaped groove, and a second steel ring wear-resisting part is arranged in the second arc-shaped groove.

Preferably, the cooling mechanism comprises an oil stagnation bin, an oil pipe is arranged at the bottom of the oil stagnation bin, a cooling bin is arranged at the bottom of the oil pipe, and oil distribution bins are arranged on two sides of the cooling bin.

Preferably, the inside of piston head is provided with strengthening mechanism, strengthening mechanism includes high temperature resistant layer, one side on high temperature resistant layer is provided with the anticorrosive coating, one side of anticorrosive coating is provided with the wearing layer.

Preferably, two groups of cooling nozzles are arranged on two sides of the piston head, and the two groups of cooling nozzles correspond in parallel.

Preferably, the oil holes are distributed on two sides of the piston skirt, and each side of the piston skirt is provided with four groups of holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arc wall and the steel ring wearing parts of design, make the piston strengthen its wearability in work, through setting up its wearability of the more closer reinforcing of high temperature resistant layer, anticorrosive coating, wearing layer, increase life, solved the poor problem of its wearability.

2. Stagnant oil storehouse, draught tube, cooling bin and branch oil storehouse through the design, the magnitude of the interference of filling of reinforcing cooling oil improves the cooling effect of piston, chews through setting up the cooling, prevents that the piston is overheated, avoids the piston to produce the carbon deposit because overheated and influences life, through setting up ring channel, piston ring and closing plate, strengthens the leakproofness of piston greatly, has solved the poor problem of cooling effect and leakproofness.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the reinforcing mechanism of the present invention;

fig. 4 is a schematic diagram of the local enlarged structure of the present invention.

In the figure: 1. a piston head; 2. a piston skirt; 3. a heat insulation groove; 4. a heat insulation ring; 5. an annular groove; 6. a piston ring; 7. a sealing plate; 8. an oil hole; 9. a first arc-shaped slot; 10. a first steel ring wear-resistant part; 11. a second arc-shaped slot; 12. an oil stagnation bin; 13. an oil pipe is communicated; 14. a cooling bin; 15. an oil separating bin; 16. a high temperature resistant layer; 17. an anticorrosive layer; 18. a wear layer; 19. a cooling nozzle; 20. and the second steel ring wear-resistant part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an inlay internal-combustion engine piston of wear-resisting steel ring, includes piston head 1, piston skirt 2 and wear-resisting mechanism, and piston head 1 is located the top of piston skirt 2, and the outside of piston skirt 2 is provided with heat-insulating groove 3, and the inside of heat-insulating groove 3 is provided with heat-insulating ring 4, and the bottom of piston skirt 2 is provided with oilhole 8.

In this embodiment, through setting up heat-insulating groove 3 and heat insulating ring 4, when the piston work, can reduce the heat on the piston, increase life, solved its wear resistance poor problem.

Specifically, the top of the piston head 1 is provided with a cooling mechanism, the outer side of the piston skirt 2 is provided with a ring groove 5, the inner part of the ring groove 5 is provided with a piston ring 6, and the front surface of the piston ring 6 is provided with a sealing plate 7.

In this embodiment, through setting up ring channel 5, be convenient for place piston ring 6 wherein, set up sealing plate 7 and strengthen its leakproofness when using, avoid influencing work because of piston gas leakage.

Specifically, wear-resisting mechanism includes first arc 9, and the inside of first arc 9 is provided with first steel ring wearing parts 10, and the bottom of first arc 9 is provided with second arc 11, and the inside of second arc 11 is provided with second steel ring wearing parts 20.

In this embodiment, the first steel ring wear-resistant part 10 in the first arc-shaped groove 9 can enhance the wear-resistant performance thereof, and the second steel ring wear-resistant part 20 is arranged in the second arc-shaped groove 11 to further enhance the wear-resistant performance thereof.

Specifically, the cooling mechanism comprises an oil stagnation bin 12, an oil through pipe 13 is arranged at the bottom of the oil stagnation bin 12, a cooling bin 14 is arranged at the bottom of the oil through pipe 13, and oil distribution bins 15 are arranged on two sides of the cooling bin 14.

In this embodiment, when the piston works, the oil in the oil stagnation bin 12 enters the cooling bin 14 through the oil pipe 13, and enters the oil distribution bin 15 after being cooled, so that the filling amount of the cooling oil is enhanced, and the cooling effect of the piston is improved

Specifically, the inside of piston head 1 is provided with reinforcing mechanism, and reinforcing mechanism includes high temperature resistant layer 16, and one side of high temperature resistant layer 16 is provided with anticorrosive coating 17, and one side of anticorrosive coating 17 is provided with wearing layer 18.

In this embodiment, the high temperature resistant layer 16, the anticorrosive layer 17 and the wear-resistant layer 18 are arranged, so that the overall strength of the piston head 1 is enhanced, and the service life is prolonged.

Specifically, two groups of cooling nozzles 19 are arranged on two sides of the piston head 1, and the two groups of cooling nozzles 19 correspond in parallel.

In this embodiment, through setting up the cooling nozzle 19, can effectively prevent the piston overheated, avoid the piston to produce the carbon deposit because of overheated and influence life.

Specifically, the oil holes 8 are distributed on two sides of the piston skirt 2, and four groups of holes are arranged on each side.

In this embodiment, through setting up oilhole 8, throw away the inside unnecessary lubricating oil of piston, the oil of throwing away plays lubricated effect to piston skirt 2 surface, avoids piston and cylinder body to take place slight deformation because of lack of oil, leads to piston skirt 2 and cylinder block to produce dry friction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inlay combustion engine piston of wear-resisting steel ring, includes piston head (1), piston skirt (2) and wear-resisting mechanism, its characterized in that: the piston head (1) is located at the top of the piston skirt (2), a heat insulation groove (3) is formed in the outer side of the piston skirt (2), a heat insulation ring (4) is arranged inside the heat insulation groove (3), and an oil hole (8) is formed in the bottom of the piston skirt (2).

2. The internal combustion engine piston with the wear-resistant steel ring embedded in the piston body as claimed in claim 1, wherein: the cooling structure is characterized in that a cooling mechanism is arranged at the top of the piston head (1), an annular groove (5) is formed in the outer side of the piston skirt (2), a piston ring (6) is arranged in the annular groove (5), and a sealing plate (7) is arranged on the front face of the piston ring (6).

3. The internal combustion engine piston with the wear-resistant steel ring embedded in the piston body as claimed in claim 1, wherein: the wear-resisting mechanism comprises a first arc-shaped groove (9), a first steel ring wear-resisting part (10) is arranged in the first arc-shaped groove (9), a second arc-shaped groove (11) is arranged at the bottom of the first arc-shaped groove (9), and a second steel ring wear-resisting part (20) is arranged in the second arc-shaped groove (11).

4. The internal combustion engine piston with the wear-resistant steel ring embedded in the piston body as claimed in claim 2, wherein: the cooling mechanism comprises an oil stagnation bin (12), an oil through pipe (13) is arranged at the bottom of the oil stagnation bin (12), a cooling bin (14) is arranged at the bottom of the oil through pipe (13), and oil distribution bins (15) are arranged on two sides of the cooling bin (14).

5. The internal combustion engine piston with the wear-resistant steel ring embedded in the piston body as claimed in claim 1, wherein: the piston head is characterized in that a reinforcing mechanism is arranged inside the piston head (1), the reinforcing mechanism comprises a high-temperature-resistant layer (16), an anticorrosive layer (17) is arranged on one side of the high-temperature-resistant layer (16), and a wear-resistant layer (18) is arranged on one side of the anticorrosive layer (17).

6. The internal combustion engine piston with the wear-resistant steel ring embedded in the piston body as claimed in claim 1, wherein: two groups of cooling nozzles (19) are arranged on two sides of the piston head (1), and the two groups of cooling nozzles (19) are in parallel correspondence.

7. The internal combustion engine piston with the wear-resistant steel ring embedded in the piston body as claimed in claim 1, wherein: the oil holes (8) are distributed on two sides of the piston skirt (2), and four groups of holes are arranged on each side.