CN201013473Y - Combined type novel piston ring - Google Patents

Abstract

A new combined piston loop comprises an elastic upper composition loop (1) and an elastic lower composition loop (2), the upper composition loop (1) overlapping the lower composition loop (2) is mounted in the same piston loop trough, the upper composition loop (1) is provided with an opening (31), the lower composition loop (2) is provided with an opening (32), and wherein, when the alignment of the opening (31) of the upper composition loop (1) is mutually intercrossed with the alignment of the opening (32) of the lower composition loop (2), a punctate intersection is formed. The purpose is to resolve the phenomena of the gas leakage of the linear gas leakage passage at the position of the opening after the self-rotation of the piston loop in the course of the combined piston loop compressing the fuel gas, convert the linear gas leakage phenomena into the punctate gas leakage phenomena, greatly reduce the gas leakage passage of the piston loop and thus ensure the more stable sealing performance of the piston loop. The utility model has the functions of oil saving, enhancement of motive power, increase of compression ratio and reduction of noise, carbon accumulation and environmental pollution.

Description

A kind of novel combined type piston ring

Technical field

The utility model relates to a kind of internal-combustion engine piston ring, specifically, relates to a kind of novel combined type compression ring of internal-combustion engine piston ring.

Background technique

At present, use more traditional combustion engine piston ring as a monocycle only is installed in the per pass annular groove, the opening linearity of piston ring is a straight line, the opening mutual dislocation of multiple tracks compression ring is installed, in the work of compressed gas, and the passage that there is the axial leakage path of linear piston ring all the time in gap-clearance of piston rings place and radially leaks gas, and continuing along with engine operating duration, its linear leakage path can increase gradually, causes sealing poor, just can not use to certain limit back piston ring; Also just like the disclosed associative ring structure of Chinese patent ZL90108400.X, associative ring is made up of upper makeup ring and lower makeup ring, what the opening of the linear upper makeup ring for straight line of opening and the opening of lower makeup ring staggered mutually is installed in the same piston ring groove, upper makeup ring overlaps on the lower makeup ring, though such associative ring can effectively block the axial linear gas leakage of piston ring, can not effectively block the axial linear gas leakage of vertical piston; Simultaneously, because under the effect of pressure, piston ring is in piston groove, under the to-and-fro motion that does not stop of piston, piston ring can constantly be rotated around piston middle spindle, forward the opening of upper makeup ring and the opening of lower makeup ring to and overlap, form more serious linear gas leakage of side direction and the linear gas leakage of Vertical direction; Also have certain slit owing to cooperating between the upper and lower makeup ring simultaneously, also more serious than the gas leak phenomenon that a piston ring is installed in same piston ring groove.The technological scheme of the disclosed motor cycle of Chinese patent ZL00104237.8, piston of automobile ring and for example, this technological scheme is that the opening at piston ring is designed to the inclined-plane, encircle in ring between adopt mutual subsides formula inclined-plane to cooperate, thereby reduce piston ring perpendicular to the axial linear gas leak phenomenon of piston, but this ring can not effectively reduce the linear leakage path that is parallel to the piston axis direction, simultaneously, because the linear one-tenth of the fracture of piston ring oblique line shape, behind the piston of packing into the cylinder body of internal-combustion engine in routing motion, will certainly cause scratch to the cylinder body of internal-combustion engine.More than these existing technical scheme all can not effectively solve the phenomenon of the linear gas leakage of piston ring, thereby, cause the power performance of internal-combustion engine to descend energy waste, the internal combustion engines carbon distribution is increased, the more important thing is that can get rid of cylinder without the mixed oil and gas of burning causes environmental pollution outward.

The model utility content

The technical problems to be solved in the utility model provides a kind of knockdown novel piston ring, main purpose is in order to solve the gas leak phenomenon of the piston ring of compound piston ring in the compressed gas process self rotation back at the linear leakage path of opening, original linear gas leak phenomenon is become a gas leak phenomenon, the leakage path of the minimizing piston ring of big limit, thus the more stable sealability of piston ring guaranteed.

In order to solve the problems of the technologies described above, reaching in the compressed gas process avoids compound piston ring after self rotates, encircle the purpose that opening forms linear leakage path up and down, the utility model, a kind of novel combined type piston ring, comprise rubber-like upper makeup ring and lower makeup ring, upper makeup ring overlaps on the lower makeup ring, be contained in the same piston ring groove, upper makeup ring has opening, lower makeup ring that opening is arranged, wherein, be the point-like intersection during the linear mutual intersection of the opening of the linear and lower makeup ring of the opening of upper makeup ring.When the opening of upper makeup ring and lower makeup ring intersects mutually, two folding oblique broken lines that intersect intersect or the folding oblique broken line with the straight line of vertical cut opening when crossing or other are linear when crossing, its intersection point is one " point " forever, when this " point " just do not have vertical leakage path when annular groove is inner; Have only and when this " point " outer rim, just reach maximum vertical leakage path at upper and lower makeup ring; Shelves are lived vertical leakage path to greatest extent like this.Simultaneously, because the mode difference of upper and lower ring end cut line, its trend of gas that enters vertical leakage path is also different, to the rotary thrust that piston ring produces thereby upper and lower ring will be rotated automatically round about respectively seals its vertical leakage path, makes a gas leakage also only be in momentary status; Can adopt also that the opening of upper and lower makeup ring is linear to make the shape that abnormal shape cooperatively interacts, reach upper and lower makeup ring self seal and encircle opening up and down a maximum passage that forms some gas leakage when intersecting.

The beneficial effects of the utility model are, adopt the such novel combined type piston ring of the utility model, can under the situation that does not change original piston and piston groove configuration state,, make piston ring play good seal action by original gap-clearance of piston rings being carried out simple conversion assembling.Make original linear leakage path change into the leakage path of point-like, effectively reduced the size of leakage path, finally play the effect of saving oil consumption, increase power, raising compression ratio, reducing noise, minimizing carbon distribution and environmental pollution.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

Fig. 1 is the utility model embodiment one upper makeup ring 1 and lower makeup ring 2 opening Line Charts;

Fig. 2 is the utility model embodiment one upper makeup ring 1 and the elevational schematic view that lower makeup ring 2 openings intersect situation one;

Fig. 3 is the floor map under Fig. 2 situation;

Fig. 4 is the plane enlarged diagram of Fig. 3;

Fig. 5 is that the utility model embodiment one upper makeup ring 1 and lower makeup ring 2 openings intersect situation one, the elevational schematic view that intersects when the piston ring outer rim;

Fig. 6 is the floor map under Fig. 5 situation;

Fig. 7 is the plane enlarged diagram of Fig. 6;

Fig. 8 is that the gap-clearance of piston rings under Fig. 5 situation is subjected to the high pressure air force diagram;

Fig. 9 is the plane enlarged diagram that the utility model embodiment one lower makeup ring is sealed up mouthful sheet;

Figure 10 is the utility model embodiment two lower makeup ring 2 aperture lines floor map;

Figure 11 is the utility model embodiment three lower makeup ring 2 aperture lines floor map;

Figure 12 is the utility model embodiment four upper makeup ring 1 and lower makeup ring 2 opening Line Charts;

Figure 13 is the plane enlarged diagram of the utility model embodiment one upper makeup ring 1 with seal plate;

Figure 14 is the utility model embodiment two upper makeup ring 1 an aperture lines floor map;

Embodiment

Embodiment's one concrete scheme that the utility model is taked such as Fig. 1 are to shown in Figure 9.Wherein, as shown in Figure 1, opening 31 line styles of upper makeup ring 1 are the folding oblique broken line, and are making lineal shape or falling into round by the mode of tradition ring with the inner edge place near the piston ring outer rim, and the opening 32 of makeup ring 2 is linear similar with upper makeup ring, but direction is opposite; As shown in Figure 9, again on opening 32 both sides of lower makeup ring 2, be no more than ring width 1/2 place from the inner edge of lower makeup ring 2 and downcut groove 33,34, in groove 33, connect seal plate 35, the mode of this connection seal plate adopt welding, crimping, bonding, joggle all can, the technology when making and deciding.Then with being installed in the same piston ring groove that upper and lower makeup ring opening 31,32 staggers mutually, upper makeup ring 1 overlaps on the lower makeup ring 2, at this moment, in the lower makeup ring 2, seal plate 35 can be coupled in the groove 34 accordingly, such associative ring can effectively blocked comprehensively piston ring at axial linear leakage path, remainingly blocked by seal plate 35 in the ring down again perpendicular to axial 1/2 passage of piston, formed totally enclosed piston ring.

But owing to need piston ring in piston motion, rotate relative to the piston ring mounting groove, guarantee oil lubrication and take away the tiny metal particle that produces because of friction, so piston ring in rotation process, can cause downcrossings situation on upper makeup ring 1 opening 31 and lower makeup ring 2 openings 32 unavoidably.As Fig. 2, Fig. 3, situation shown in Figure 4, under the outer rim 321 non-intersect situations of the outer rim 311 of the opening 31 of upper makeup ring 1 and the opening 32 of lower makeup ring 2, no matter whether the inner edge of the inner edge 312 of the opening 31 of upper makeup ring 1 and the opening 32 of lower makeup ring 2 322 intersects, because upper makeup ring 1 and lower makeup ring 2 snugly fit in the same piston ring groove, in this state, perpendicular to the axial leakage path of piston by complete closed, generally can not enter in the piston ring being parallel to the axial gas leakage of piston, even if enter in the piston ring, in the time of passing through in the opening intersection of last lower makeup ring, under pressure effect situation, blocked by the piston ring groove base again, also do not exist to be parallel to the axial leakage path of piston.

As Fig. 5, Fig. 6, under the situation shown in Figure 7, under the situation that the outer rim 321 of the outer rim 311 of the opening 31 of upper makeup ring 1 and the opening 32 of lower makeup ring 2 intersects, no matter whether the inner edge of the inner edge 312 of the opening 31 of upper makeup ring 1 and the opening 32 of lower makeup ring 2 322 intersects, because upper makeup ring 1 and lower makeup ring 2 snugly fit in the same piston ring groove, add that opening 32 places at lower makeup ring 2 have as shown in Figure 9 cut groove 33,34, be combined with seal plate 35 in the groove, can add simultaneously that also opening 31 places at upper makeup ring 1 have as shown in figure 13 cut groove 36,37, be combined with seal plate 38 in the groove, under these states, perpendicular to the axial leakage path of piston by complete closed, be parallel to the axial gas leakage of piston in the opening intersection of last lower makeup ring by the time, reach maximum also just some gas leakage of vertical leakage path.Simultaneously, as shown in Figure 8, because the mode difference of upper and lower ring end cut line, its trend of gas that enters vertical leakage path is also different, thus to the rotary thrust that piston ring produces will make very soon upper and lower ring respectively round about rotation automatically with its vertical leakage path sealing;

The utility model embodiment two, opening 31 at upper makeup ring 1 is linear for rolling over oblique broken line, lower makeup ring 2 is a straight line the linear of its opening 32 as shown in figure 10, when has cut opening slot 33,34 and in grooving seal plate 35 have been installed at opening 32 places of lower makeup ring 2; Perhaps linear for rolling over oblique broken line at the opening 32 of lower makeup ring 2, upper makeup ring 1 is a straight line the linear of its opening 31 as shown in figure 14, when has cut opening slot 36,37 and in grooving seal plate 38 have been installed at opening 31 places of upper makeup ring 1.As embodiment one, the opening 31 of upper makeup ring 1 and the opening 32 of lower makeup ring 2 do not exist perpendicular to the axial leakage path of piston under the non-intersect situation of two ring opening outer rims, do not exist to be parallel to the axial leakage path of piston yet; When the opening 32 of the opening 31 of upper makeup ring 1 and lower makeup ring 2 intersects under the situation in two ring opening outer rims, be parallel to the axial leakage path of piston and reach maximum also just some gas leakage of vertical leakage path.

The utility model embodiment three is the folding oblique broken line in that the opening 31 of upper makeup ring 1 is linear, when the opening 32 of lower makeup ring 2 linear is special-shaped line, as shown in figure 11.As embodiment one, embodiment two, the opening 31 of upper makeup ring 1 and the opening 32 of lower makeup ring 2 do not exist perpendicular to the axial leakage path of piston under the non-intersect situation of two ring opening outer rims, do not exist to be parallel to the axial leakage path of piston yet; When the opening 32 of the opening 31 of upper makeup ring 1 and lower makeup ring 2 intersects under the situation in two ring opening outer rims, be parallel to the axial leakage path of piston and reach maximum also just some gas leakage of vertical leakage path.

The utility model embodiment four, as shown in figure 12, the linear of the opening 31,32 of described upper and lower makeup ring 1,2 is special-shaped line, and when direction is opposite, embodiment as the front, the opening 31 of upper makeup ring 1 and the opening 32 of lower makeup ring 2 do not exist perpendicular to the axial leakage path of piston under the non-intersect situation of two ring opening outer rims, do not exist to be parallel to the axial leakage path of piston yet; When the opening 32 of the opening 31 of upper makeup ring 1 and lower makeup ring 2 intersects under the situation in two ring opening outer rims, be parallel to the axial leakage path of piston and reach maximum also just some gas leakage of vertical leakage path.

Equally, the makeup ring of this compound piston ring also can be more than two, and its structure and mounting type are identical with above-mentioned principle.Can guarantee it is the passage that does not all have gas leakage on side direction or Vertical direction like this, convenient again simultaneously processing and the stability that can guarantee technology are a kind of practicable products.

Above-described only is preferred implementation of the present utility model.Should be pointed out that for a person skilled in the art under the prerequisite that does not break away from the utility model structure, can also make some distortion and improvement, these also should be considered as protection domain of the present utility model.

Claims (9)

1. novel combined type piston ring, comprise rubber-like upper makeup ring (1) and lower makeup ring (2), upper makeup ring (1) overlaps on the lower makeup ring (2) and is contained in the same piston ring groove, upper makeup ring (1) has opening (31), lower makeup ring (2) that opening (32) is arranged, and it is characterized in that: the opening (32) of the linear and lower makeup ring (2) of the opening (31) of upper makeup ring (1) linear is the point-like intersection when intersecting mutually up and down.

2. novel combined type piston ring according to claim 1 is characterized in that: the linear of the opening (31) of described upper and lower makeup ring (1), (2), (32) is the folding oblique broken line, and direction is opposite.

3. novel combined type piston ring according to claim 1 is characterized in that: the opening (31) of described upper makeup ring (1) is linear for rolling over oblique broken line, and the linear of the opening (32) of lower makeup ring (2) is straight line.

4. novel combined type piston ring according to claim 1 is characterized in that: the opening (31) of described upper makeup ring (1) is linear for rolling over oblique broken line, and the linear of the opening (32) of lower makeup ring (2) is special-shaped line.

5. novel combined type piston ring according to claim 1 is characterized in that: the linear of the opening (31) of described upper and lower makeup ring (1), (2), (32) is special-shaped line, and direction is opposite.

6. according to claim 2 or 3 described novel combined type piston rings, it is characterized in that: the opening (32) of described lower makeup ring (2) has been located grooving (33), (34), and is connected with the seal plate (35) that matches in the grooving.

7. according to claim 2 or 3 described novel combined type piston rings, it is characterized in that: the opening (31) of described upper makeup ring (1) has been located grooving (36), (37), and is connected with the seal plate (38) that matches in the grooving.

8. novel combined type piston ring according to claim 6 is characterized in that: grooving (33), (34) that the opening (32) of described lower makeup ring (2) is located, the inner edge that is positioned at from makeup ring is no more than ring width 1/2 place.

9. novel combined type piston ring according to claim 7 is characterized in that: grooving (36), (37) that the opening (31) of described upper makeup ring (1) is located, the inner edge that is positioned at from makeup ring is no more than ring width 1/2 place.

Images