CN213063772U

CN213063772U - Piston for engine

Info

Publication number: CN213063772U
Application number: CN202022166375.9U
Authority: CN
Inventors: 郑德本; 肖旺照; 涂琦珍
Original assignee: Fuzhou Jiacheng Piston Co ltd
Current assignee: Fuzhou Jiacheng Piston Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-04-27
Anticipated expiration: 2030-09-28

Abstract

The utility model belongs to the technical field of pistons, in particular to a piston for an engine, which comprises a piston underframe, wherein a connecting rod is integrally formed at the top end of the piston underframe, one end of the piston underframe is provided with a piston end, the piston end is embedded and sleeved on the outer wall of the connecting rod, an oil scraper ring is integrally formed on the outer wall of the piston end, the side surface of the oil scraper ring is provided with an air ring, an oil scraper ring is placed at one end of the piston end different from the piston underframe, and a screw rod is arranged on the side surface of the piston underframe in a penetrating way; the oil control ring and the piston end in the piston adopt a split structure, and the piston underframe is kept connected with the oil control ring and the piston end through a screw rod, so that the oil control ring and the piston end can be conveniently replaced; the structural seal nature of wear-resisting ring promotion piston, the wear resistance of gomphosis ball promotion piston, scraper ring and gas ring can be collected lubricating oil, prevent that lubricating oil from scurrying into the combustion chamber, the piston of being more convenient for uses.

Description

Piston for engine

Technical Field

The utility model belongs to the technical field of the piston, concretely relates to piston for engine.

Background

The piston is a part which reciprocates in the cylinder body of the automobile engine; the primary function of the piston is to withstand the combustion pressures in the cylinder and transfer this force to the crankshaft via the piston pin and connecting rod. In addition, the piston, a cylinder cover and a cylinder wall jointly form a combustion chamber; but the current pistons still expose some problems during use; when the existing piston is used, the piston is not easy to replace; in view of the problems exposed to the use of the prior art piston, there is a need for an improved and optimized piston structure.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a piston for engine has the characteristics of being convenient for change the piston.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piston for engine, includes the piston chassis, the top integrated into one piece of piston chassis has the connecting rod, the one end of piston chassis is equipped with the piston end, and the gomphosis of piston end cup joints the outer wall at the connecting rod, and the outer wall integrated into one piece of piston end has the oil scraper ring, the gas ring has been seted up to the side of oil scraper ring, and the oil control ring has been placed to the piston end different in the one end of piston chassis, the side surface of piston chassis runs through and is equipped with the screw rod, and the one end of screw rod keeps the screw thread to close with connecting rod, oil control ring to be connected, the wear ring has been cup jointed.

As the utility model discloses a preferred technical scheme of piston for engine, the even gomphosis of one side surface that the oil control ring is close to the piston end has placed the gomphosis ball.

As the utility model discloses a preferred technical scheme of piston for engine, the piston chassis is different in the one end outer wall of oil control ring and has been seted up the interior groove that contracts, the inboard side surface that is located the piston chassis that contracts in the groove has been seted up and has been connected logical groove.

As the utility model discloses a preferred technical scheme of piston for engine, the oil trap has been seted up to the side surface of piston chassis, the branch oil groove has been seted up on the outside surface of oil trap.

As the utility model discloses a preferred technical scheme of piston for engine, the oil trap is equipped with four, four the oil trap symmetry is arranged at the outer wall of piston chassis, and is two sets of divide the oil groove symmetry to arrange at the lateral wall of oil trap.

As the utility model discloses a preferred technical scheme of piston for engine, the scraper ring is equipped with two, the gas ring is equipped with two, and two scraper rings, gas ring are crisscross arranges.

As the utility model discloses a preferred technical scheme of piston for engine, the outside surface integrated into one piece of connecting rod has the extension lug, and the gomphosis recess has been seted up to the inner wall of piston end, extend lug and gomphosis recess and keep the gomphosis.

Compared with the prior art, the beneficial effects of the utility model are that: the oil control ring and the piston end in the piston adopt a split structure, and the piston underframe is kept connected with the oil control ring and the piston end through a screw rod, so that the oil control ring and the piston end can be conveniently replaced; the structural seal nature of wear-resisting ring promotion piston, the wear resistance of gomphosis ball promotion piston, scraper ring and gas ring can be collected lubricating oil, prevent that lubricating oil from scurrying into the combustion chamber, the piston of being more convenient for uses.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic cross-sectional structure of a piston according to the present invention;

FIG. 3 is a schematic diagram of the cross-sectional structure of the piston according to the present invention;

fig. 4 is a schematic diagram of a piston limiting structure in the present invention;

in the figure: 1. a piston chassis; 2. an inner shrinkage groove; 3. connecting the through grooves; 4. an oil sump; 5. an oil distributing groove; 6. a connecting rod; 7. an oil scraper ring; 8. a gas ring; 9. an oil control ring; 10. embedding the ball; 11. a wear ring; 12. an extension bump; 13. and fitting the groove.

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.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a piston for engine, including piston chassis 1, the top integrated into one piece of piston chassis 1 has connecting rod 6, the one end of piston chassis 1 is equipped with the piston end, the piston end gomphosis cup joints the outer wall at connecting rod 6, the outer wall integrated into one piece of piston end has scraper ring 7, air ring 8 has been seted up to scraper ring 7's side, oil control ring 9 has been placed to the piston end different in the one end of piston chassis 1, the side surface of piston chassis 1 runs through and is equipped with the screw rod, the one end and the connecting rod 6 of screw rod, oil control ring 9 keeps the screw thread to revolve to close and is connected, oil control ring 9 has cup jointed wear ring 11 different in the one end outer wall gomphosis of piston chassis 1, in this embodiment, the staff of being convenient for when this.

Specifically, the embedded ball 10 is uniformly embedded and placed on one side surface of the oil control ring 9 close to the piston end, and the embedded ball 10 improves the wear resistance between the oil control ring 9 and the engine in the embodiment.

Specifically, the piston chassis 1 is different from the outer wall of one end of the oil control ring 9 and is provided with an inner shrinkage groove 2, and the inner side of the inner shrinkage groove 2 is positioned on the side surface of the piston chassis 1 and is provided with a connecting through groove 3.

Specifically, the oil collecting groove 4 is opened to the side surface of the piston chassis 1, and the oil distributing groove 5 is opened to the outside surface of the oil collecting groove 4, and the oil distributing groove 5 further improves the oil collecting effect of the oil collecting groove 4 in this embodiment.

Specifically, four oil sumps 4 are arranged, the four oil sumps 4 are symmetrically arranged on the outer wall of the piston underframe 1, and the two groups of oil sumps 5 are symmetrically arranged on the side wall of the oil sump 4, and in the embodiment, the oil sump 4 can further collect the lubricating oil.

Specifically, oil scraper ring 7 is equipped with two, and gaseous ring 8 is equipped with two, and two oil scraper rings 7, gaseous ring 8 are crisscross arranges, and two sets of oil scraper rings 7, gaseous ring 8 further promote the sealed effect of piston in this embodiment.

Specifically, the outer side surface of the connecting rod 6 is integrally formed with an extending projection 12, the inner wall of the piston end is provided with an embedding groove 13, the extending projection 12 and the embedding groove 13 keep embedding, and the connecting rod 6 is convenient to keep being connected with the piston end in the embodiment.

Example 2

Referring to fig. 1, fig. 3 and fig. 4, the present invention provides the following technical solutions: the utility model provides a piston for engine, including piston chassis 1, the top integrated into one piece of piston chassis 1 has connecting rod 6, the one end of piston chassis 1 is equipped with the piston end, the piston end gomphosis cup joints the outer wall at connecting rod 6, the outer wall integrated into one piece of piston end has scraper ring 7, air ring 8 has been seted up to scraper ring 7's side, oil control ring 9 has been placed to the piston end different in the one end of piston chassis 1, the side surface of piston chassis 1 runs through and is equipped with the screw rod, the one end and the connecting rod 6 of screw rod, oil control ring 9 keeps the screw thread to revolve to close and is connected, oil control ring 9 has cup jointed wear ring 11 different in the one end outer wall gomphosis of piston chassis 1, in this embodiment, the staff of being convenient for when this.

Specifically, the connecting rod 6 is a triangular prism member, and the bottom end of the piston end is provided with an embedding groove embedded with the triangular prism, so that the connecting rod 6 is convenient to keep connected with the piston end in the embodiment.

The utility model discloses a theory of operation and use flow: the utility model discloses in this piston during use piston end place the outer wall at connecting rod 6, oil control ring 9 gomphosis is placed the one end at the piston end, the inboard surface of piston chassis 1 runs through the screw rod, make oil control ring 9 and piston end, piston chassis 1 keep zonulae occludens, wear ring 11 of oil control ring 9 outer wall promotes the structural seal nature of piston, gomphosis ball 10 promotes the wear resistance of piston, oil scraper ring 7 is spacing to oil when the piston moves from top to bottom, gas ring 8 can collect lubricating oil, piston chassis 1 outer wall has seted up oil trap 4, oil trap 4's side adds and has divided oil groove 5, be convenient for further collect lubricating oil; when the piston is used, the piston underframe 1 and the piston end are kept embedded through the connecting rod 6, so that the oil control ring 9 and the piston end are convenient to replace.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A piston for an engine, comprising a piston chassis (1), characterized in that: the top integrated into one piece of piston chassis (1) has connecting rod (6), the one end of piston chassis (1) is equipped with the piston end, and the outer wall in connecting rod (6) is cup jointed in the gomphosis of piston end, and the outer wall integrated into one piece of piston end has scraper ring (7), gas ring (8) have been seted up to the side of scraper ring (7), and oil control ring (9) have been placed to the piston end difference in the one end of piston chassis (1), the side surface of piston chassis (1) runs through and is equipped with the screw rod, and the one end of screw rod keeps the screw thread to close with connecting rod (6), oil control ring (9) to be connected soon, wear ring (11) have been cup jointed in the gomphosis of the one end outer wall that oil control.

2. The piston for an engine according to claim 1, wherein: and the surface of one side of the oil control ring (9) close to the piston end is uniformly embedded with embedded balls (10).

3. The piston for an engine according to claim 1, wherein: the piston chassis (1) is different from the outer wall of one end of the oil control ring (9) and is provided with an inner shrinkage groove (2), and the inner side of the inner shrinkage groove (2) is positioned on the side surface of the piston chassis (1) and is provided with a connecting through groove (3).

4. The piston for an engine according to claim 1, wherein: an oil collecting tank (4) is formed in the side surface of the piston chassis (1), and an oil distributing tank (5) is formed in the outer side surface of the oil collecting tank (4).

5. The piston for an engine according to claim 4, wherein: the four oil collecting grooves (4) are symmetrically arranged on the outer wall of the piston chassis (1), and the two oil distributing grooves (5) are symmetrically arranged on the side wall of the oil collecting groove (4).

6. The piston for an engine according to claim 1, wherein: the oil scraper rings (7) are two, the gas rings (8) are two, and the two oil scraper rings (7) and the gas rings (8) are arranged in a staggered mode.

7. The piston for an engine according to claim 1, wherein: the outer side surface of the connecting rod (6) is integrally formed with an extension convex block (12), the inner wall of the piston end is provided with a tabling groove (13), and the extension convex block (12) and the tabling groove (13) are kept tabling.