CN216142822U - Piston ring for automobile - Google Patents

Abstract

The utility model discloses a piston ring for an automobile, which relates to the technical field of piston rings and comprises a piston ring body and a piston, wherein a piston ring groove is formed in the piston, the piston ring body is inserted into the piston ring groove, a first outer ring and a second outer ring are sleeved on the outer circumference of the piston ring body, the first outer ring and the second outer ring are symmetrically distributed, two first inner rings and two second inner rings are arranged on the inner wall of the piston ring groove, and the two first inner rings and the two second inner rings are symmetrically distributed. The oil consumption of the engine is reduced, so that the engine can work more energy-saving.

Description

Piston ring for automobile

Technical Field

The utility model belongs to the technical field of piston rings, and particularly relates to a piston ring for an automobile.

Background

The piston ring is a metal elastic ring having a large outward expansion deformation, which is fitted into a ring groove having a cross section corresponding thereto. The reciprocating and rotating piston rings form a seal between the outer circumferential surface of the ring and the cylinder and one side of the ring and the ring groove by means of a pressure difference of gas or liquid. The piston ring is widely used in automobile, train, ship, yacht, etc. and is installed inside the ring slot of piston to form chamber with piston, cylinder sleeve, cylinder cover, etc. to do work.

But the automobile piston ring on the existing market has certain defect in the use, if, can not carry out the shutoff between ring body and the piston ring groove, lead to wearing and tearing and take place oil leak or gas leakage between piston ring body and the piston easily, cause the leakproofness between piston ring body and the piston to reduce, increase the consumption of engine, in addition, can not fix a plurality of piston ring body joint, the quick concatenation of a plurality of piston rings of being not convenient for, stability when leading to the piston ring to stack is low, influence the stable storage of piston ring.

Disclosure of Invention

The utility model aims to provide a piston ring for an automobile, which solves the problems that the piston ring body and a piston ring groove cannot be blocked, oil leakage or air leakage is easy to occur due to abrasion between the piston ring body and a piston, and a plurality of piston ring bodies cannot be clamped and fixed, so that the plurality of piston rings cannot be spliced quickly conveniently.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a piston ring for car, includes piston ring body and piston, the piston ring groove has been seted up to the inside of piston, the piston ring body inserts the piston ring groove, and has cup jointed first outer loop and second outer loop on the outer circumference of piston ring body, first outer loop and second outer loop symmetric distribution, two first inner rings and second inner ring are installed to the inner wall of piston ring groove, and two first inner rings and two second inner rings symmetric distribution, wherein, two leave the clearance between the first inner ring to form first recess, and first recess and first outer loop phase-match, two leave the clearance between the second inner ring to form the second recess, and second recess and second outer loop phase-match.

Preferably, the one end of piston ring body outwards extends and is formed with the concatenation bulge loop, and the piston ring body inwards caves in for the one end of concatenation bulge loop and is formed with the concatenation recess, be fixed with six fixture blocks on the outer circumference of concatenation bulge loop, and six fixture blocks are the annular array and distribute, concatenation recess and concatenation bulge loop phase-match, and six draw-in grooves, six have been seted up to the inner wall of concatenation recess the draw-in groove is with six fixture block one-to-one.

Preferably, the piston ring body includes the ring body, the one end integrated into one piece of ring body has the tip, and the ring body is provided with the tail end for the one end of tip, be connected with connecting portion between tail end and the ring body, the through-hole has been seted up to the inside of ring body, and the through-hole runs through tip, connecting portion and tail end.

Preferably, the diameter of one end of the end portion connected to the ring body is larger than that of the other end, so that the end portion is formed in a tapered shape.

Preferably, one end of the clamping block, which is far away from the splicing convex ring, is in arc transition, so that the clamping block forms a hemispherical shape.

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

(1) according to the utility model, through the arrangement of the first outer ring, the second outer ring, the first inner ring and the second inner ring, the gap between the ring body and the piston ring groove can be sealed, so that the sealing property between the piston ring body and the piston is increased, oil leakage or air leakage caused by abrasion between the piston ring body and the piston is effectively avoided, the output power of the engine can be prevented from being reduced, the oil consumption of the engine is reduced, and the engine can work more energy-saving.

(2) According to the utility model, through the arrangement of the splicing convex ring, the splicing groove, the clamping block and the clamping groove, the plurality of piston ring bodies can be clamped, so that the limiting and fixing of the plurality of piston ring bodies are realized, the rapid splicing of the plurality of piston rings is realized, the stability of the piston rings during stacking is effectively improved, and the stable storage of the piston rings is realized.

Drawings

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

FIG. 2 is a cross-sectional view of the piston ring body of the present invention installed with a piston;

FIG. 3 is a side view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1;

FIG. 5 is an enlarged view of FIG. 2 at B;

FIG. 6 is an enlarged view at C in FIG. 2;

in the figure: 100. a piston ring body; 1. a ring body; 2. an end portion; 3. splicing the convex rings; 4. a first outer ring; 5. a connecting portion; 6. a tail end; 7. a second outer ring; 8. a piston; 9. a through hole; 10. a piston ring groove; 11. a clamping block; 12. a second inner ring; 13. a first inner ring; 14. splicing the grooves; 15. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: a piston ring for an automobile comprises a piston ring body 100 and a piston 8, wherein the piston ring body 100 comprises a ring body 1, one end of the ring body 1 is integrally formed with an end part 2, a tail end 6 is arranged at one end of the ring body 1 opposite to the end part 2, a connecting part 5 is connected between the tail end 6 and the ring body 1, a through hole 9 is formed in the ring body 1, the through hole 9 penetrates through the end part 2, the connecting part 5 and the tail end 6, a piston ring groove 10 is formed in the piston 8, the piston ring body 100 is inserted into the piston ring groove 10, a first outer ring 4 and a second outer ring 7 are sleeved on the outer circumference of the piston ring body 100, the first outer ring 4 and the second outer ring 7 are symmetrically distributed, two first inner rings 13 and two second inner rings 12 are mounted on the inner wall of the piston ring groove 10, the two first inner rings 13 and the two second inner rings 12 are symmetrically distributed, a gap is left between the two first inner rings 13, and a first groove is formed, and the first groove is matched with the first outer ring 4, a gap is left between the two second inner rings 12 to form a second groove, the second groove is matched with the second outer ring 7, and the first outer ring 4, the second outer ring 7, the first inner ring 13 and the second inner ring 12 can seal the gap between the ring body 1 and the piston ring groove 10, so that the sealing property between the piston ring body 100 and the piston 8 is increased, oil leakage or gas leakage caused by abrasion between the piston ring body 100 and the piston 8 is effectively avoided, the reduction of the output power of the engine can be prevented, the oil consumption of the engine is reduced, and the engine can work more energy-saving.

In this embodiment, preferably, the one end of piston ring body 100 outwards extends and is formed with concatenation bulge loop 3, and piston ring body 100 is inwards sunken to be formed with concatenation recess 14 for the one end of concatenation bulge loop 3, be fixed with six fixture blocks 11 on the outer circumference of concatenation bulge loop 3, and six fixture blocks 11 are the annular array and distribute, concatenation recess 14 and concatenation bulge loop 3 phase-match, and six draw-in grooves 15 have been seted up to the inner wall of concatenation recess 14, six draw-in grooves 15 and six fixture blocks 11 one-to-one, through concatenation bulge loop 3, concatenation recess 14, fixture block 11 and draw-in groove 15, can be with a plurality of piston ring body 100 joint, with this spacing fixed of realizing a plurality of piston ring bodies 100, thereby realize the quick concatenation of a plurality of piston rings, the effectual stability when having improved the piston ring and stacking, in order to realize the stable the depositing of piston ring.

In the present embodiment, it is preferable that the diameter of the end portion 2 connected to the ring body 1 is larger than the diameter of the other end, so that the end portion 2 is formed in a tapered shape, which facilitates the rapid insertion of the ring body 1 into the piston ring groove 10, and further facilitates the installation of the piston ring body 100 and the piston 8.

In this embodiment, preferably, one end of the clamping block 11, which is far away from the splicing convex ring 3, is in arc transition, so that the clamping block 11 forms a hemispherical shape, and the clamping block 11 is clamped into the clamping groove 15, which is beneficial to realizing rapid clamping of the clamping block 11 and the clamping groove 15.

The working principle and the using process of the utility model are as follows: when in use, a user can insert the piston ring body 100 into the piston 8, namely the ring body 1 is inserted into the piston ring groove 10 through the end part 2 thereof, so as to install the piston ring body 100 and the piston 8, at the moment, the first outer ring 4 is clamped into a first groove formed between the two first inner rings 13, and the second outer ring 7 is clamped into a second groove formed between the two second inner rings 12, so as to seal a gap between the ring body 1 and the piston ring groove 10, thereby increasing the sealing performance between the piston ring body 100 and the piston 8, effectively avoiding oil leakage or air leakage caused by abrasion between the piston ring body 100 and the piston 8, preventing the output power of an engine from being reduced, reducing the oil consumption of the engine, and leading the engine to work to be more energy-saving, in addition, when the piston ring body 100 is stored, the user can insert a plurality of piston ring bodies 100, namely, one of the split convex ring 3 at one end of the piston ring body 100, into the split groove 14 at the other end of the piston ring body 100, simultaneously, fixture block 11 card advances in draw-in groove 15 to with concatenation bulge loop 3 and the joint of concatenation recess 14 joint, with this spacing fixed of realizing a plurality of piston ring bodies 100, thereby realize the quick concatenation of a plurality of piston rings, the effectual stability when having improved the piston ring and stacking, deposit with the stability of realization piston ring.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A piston ring for an automobile, characterized in that: comprises a piston ring body (100) and a piston (8), wherein a piston ring groove (10) is arranged in the piston (8), the piston ring body (100) is inserted into the piston ring groove (10), and a first outer ring (4) and a second outer ring (7) are sleeved on the outer circumference of the piston ring body (100), the first outer ring (4) and the second outer ring (7) are symmetrically distributed, the inner wall of the piston ring groove (10) is provided with two first inner rings (13) and two second inner rings (12), and the two first inner rings (13) and the two second inner rings (12) are symmetrically distributed, wherein a gap is reserved between the two first inner rings (13) and a first groove is formed, the first groove is matched with the first outer ring (4), a gap is reserved between the two second inner rings (12) to form a second groove, and the second groove is matched with the second outer ring (7).

2. A piston ring for an automobile according to claim 1, wherein: the one end of piston ring body (100) outwards extends and is formed with concatenation bulge loop (3), and piston ring body (100) inwards caves in for the one end of concatenation bulge loop (3) and is formed with concatenation recess (14), be fixed with six fixture blocks (11) on the outer circumference of concatenation bulge loop (3), and six fixture blocks (11) are the annular array and distribute, concatenation recess (14) and concatenation bulge loop (3) phase-match, and six draw-in grooves (15), six have been seted up to the inner wall of concatenation recess (14) draw-in groove (15) and six fixture blocks (11) one-to-one.

3. A piston ring for an automobile according to claim 1 or 2, characterized in that: piston ring body (100) includes ring body (1), the one end integrated into one piece of ring body (1) has tip (2), and ring body (1) is provided with tail end (6) for the one end of tip (2), be connected with connecting portion (5) between tail end (6) and ring body (1), through-hole (9) have been seted up to the inside of ring body (1), and through-hole (9) run through tip (2), connecting portion (5) and tail end (6).

4. A piston ring for an automobile according to claim 3, wherein: the diameter of one end of the end part (2) connected with the ring body (1) is larger than that of the other end, so that the end part (2) forms a cone shape.

5. A piston ring for an automobile according to claim 2, wherein: one end of the clamping block (11) far away from the splicing convex ring (3) is in arc transition, so that the clamping block (11) forms a hemispherical shape.

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