CN209025760U - A kind of piston ring support device - Google Patents

Abstract

The utility model discloses a kind of piston ring support devices, including support ring, the surface of the support ring offers the annular groove being used cooperatively with piston ring, the support ring includes base, the outer wall of the base is fixedly connected with anti-corrosion layer, the outer wall of the anti-corrosion layer is fixedly connected with high-temperature-resistant layer, and the outer wall of the high-temperature-resistant layer is fixedly connected with enhancement layer, and the outer wall of the enhancement layer is fixedly connected with wearing layer.The utility model is used cooperatively by support ring, annular groove, base, anti-corrosion layer, high-temperature-resistant layer, enhancement layer and wearing layer, piston ring and support device can be used cooperatively and are mounted on piston, reinforce piston in cylinder in smoothly move back and forth, the problem of reduction uses piston ring that piston ring surface is worn because of long term frequent, substantially reduce the coefficient of friction of piston ring and piston, improve the service life of piston ring, it is more preferable to the supportive of piston ring, increase the service life of the support device.

Description

A kind of piston ring support device

Technical field

The utility model relates to piston ring technical field, specially a kind of piston ring support device.

Background technique

Piston ring is the becket for being embedded in inside piston groove, is the core component inside fuel engines, it and Cylinder, piston, cylinder wall etc. complete the sealing of fuel oil-gas together, and piston ring is divided into two kinds, compresses ring and machine oil ring, compress ring For the burning mixture of sealing combustion chamber interior, machine oil ring is then used to strike off machine oil extra on cylinder, the work of piston ring With including sealing, adjusting machine oil, thermally conductive, guiding role, must have superior wear-resisting property and the low abrasion to cylinder sleeve Performance with increasing service life of engine and reduces maintenance cost, and engine has gas pressure, the bullet of itself at work Power, the inertia force moved repeatedly and with the frictional force of cylinder sleeve etc., the effect of these active forces can make piston ring on the piston ring Some irregular movements are generated, the abrasion of piston ring is aggravated, current existing some piston ring support devices are matched with piston ring It closes under use, too low hardness can accelerate the abrasion to piston ring, to influence the service life of piston ring.

Utility model content

The purpose of this utility model is to provide a kind of piston ring support device, have the advantages of increasing service life, Existing some piston ring support devices are solved in the case where being used cooperatively with piston ring, too low hardness can accelerate to piston ring Abrasion, thus the problem of influencing the service life of piston ring.

To achieve the above object, the utility model provides the following technical solutions: a kind of piston ring support device, including branch Pushing out ring, the surface of the support ring offer the annular groove being used cooperatively with piston ring, and the support ring includes base, the base The outer wall of layer is fixedly connected with anti-corrosion layer, and the outer wall of the anti-corrosion layer is fixedly connected with high-temperature-resistant layer, the high-temperature-resistant layer Outer wall be fixedly connected with enhancement layer, the outer wall of the enhancement layer is fixedly connected with wearing layer.

Preferably, the base is by chromium based diamond composite material, and the anti-corrosion layer is multiple for chromium base silicon carbide ceramics Close coating or chromium base boron carbide ceramics composite deposite.

Preferably, the high-temperature-resistant layer is that have graphene film, the appearance of graphene film by the outside deposition of anti-corrosion layer Face is deposited with DLC film.

Preferably, the enhancement layer is by chromium base silicon carbide ceramic composite or chromium base boron carbide ceramics composite material system At.

Preferably, the wearing layer is successively to spray high chrome nitration case, cast iron phosphate coating and chromium by the spray of reinforcement layer surface Steel alloy wearing layer.

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

1, the utility model passes through support ring, annular groove, base, anti-corrosion layer, high-temperature-resistant layer, enhancement layer and wearing layer Be used cooperatively, can by piston ring and support device with the use of being mounted on piston, reinforce piston in cylinder in it is smooth past The problem of multiple movement, reduction uses piston ring that piston ring surface is worn because of long term frequent, substantially reduce piston ring and work The coefficient of friction of plug improves the service life of piston ring, more preferable to the supportive of piston ring, increases the use of the support device Service life.

2, the utility model is by setting base and anti-corrosion layer, can reinforce the stability of the support device and anticorrosive Layer, avoids prolonged use corrosion caused by piston, improves the quality of the device, can by the way that high-temperature-resistant layer is arranged Damage of the high temperature to piston ring is reduced, the service life of the device is extended, by setting enhancement layer and wearing layer, can be improved While the hardness of the device, the efficiency being worn is reduced, is prolonged the service life.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model support ring inner connecting structure schematic diagram.

In figure: 1 support ring, 2 annular grooves, 101 bases, 102 anti-corrosion layers, 103 high-temperature-resistant layers, 104 enhancement layers, 105 resistance to Grind layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of piston ring support device referring to FIG. 1-2, including support ring 1, the surface of support ring 1 offer and live The annular groove 2 that plug ring is used cooperatively, support ring 1 include base 101, and base 101 is by chromium based diamond composite material, base 101 outer wall is fixedly connected with anti-corrosion layer 102, and anti-corrosion layer 102 is that chromium base silicon carbide ceramic composite plating layer or chromium base are carbonized Boron ceramic composite plating layer can reinforce the stability and anti-corruption of the support device by setting base 101 and anti-corrosion layer 102 Layer is lost, prolonged use corrosion caused by piston is avoided, improves the quality of the device, the outer wall of anti-corrosion layer 102 is solid Surely it is connected with high-temperature-resistant layer 103, high-temperature-resistant layer 103 is that have graphene film, graphene film by the outside deposition of anti-corrosion layer 102 Outside deposition have DLC film, by be arranged high-temperature-resistant layer 103, damage of the high temperature to piston ring can be reduced, prolonged The service life of the device is grown, the outer wall of high-temperature-resistant layer 103 is fixedly connected with enhancement layer 104, and enhancement layer 104 is by chromium base carbon SiClx ceramic composite or chromium base boron carbide ceramics composite material are made, and the outer wall of enhancement layer 104 is fixedly connected with wearing layer 105, wearing layer 105 is that successively spraying high chrome nitration case, cast iron phosphate coating and chrome steel alloy are wear-resisting by the spray of 104 surface of enhancement layer Layer 105 while can be improved the hardness of the device, reduces the effect being worn by setting enhancement layer 104 and wearing layer 105 Rate prolongs the service life, and passes through support ring 1, annular groove 2, base 101, anti-corrosion layer 102, high-temperature-resistant layer 103, enhancement layer 104 With being used cooperatively for wearing layer 105, piston can be reinforced in gas by piston ring and support device with the use of being mounted on piston It is smoothly moved back and forth in cylinder, reduces the problem of using piston ring that piston ring surface is worn because of long term frequent, drop significantly The coefficient of friction of low piston ring and piston improves the service life of piston ring, more preferable to the supportive of piston ring, increases the branch The service life of support arrangement.

In use, passing through anti-corrosion layer by the way that piston ring set to be located at outside support device in annular groove 2 matched with its 102, a possibility that piston ring is corroded is reduced, by high-temperature-resistant layer 103, the high temperature resistance of piston ring is improved, passes through reinforcement Layer 104 and wearing layer 105, the hardness of reinforcement support means prolong the service life.

In summary: the piston ring support device, by support ring 1, annular groove 2, base 101, anti-corrosion layer 102, High-temperature-resistant layer 103, enhancement layer 104 and wearing layer 105 are used cooperatively, solve existing some piston ring support devices with Piston ring is used cooperatively down, and too low hardness can accelerate the abrasion to piston ring, to influence asking for the service life of piston ring Topic.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of piston ring support device, including support ring (1), it is characterised in that: the surface of the support ring (1) offers The annular groove (2) being used cooperatively with piston ring, the support ring (1) include base (101), and the outer wall of the base (101) is solid Surely it is connected with anti-corrosion layer (102), the outer wall of the anti-corrosion layer (102) is fixedly connected with high-temperature-resistant layer (103), the resistance to height The outer wall of warm layer (103) is fixedly connected with enhancement layer (104), and the outer wall of the enhancement layer (104) is fixedly connected with wearing layer (105).

2. a kind of piston ring support device according to claim 1, it is characterised in that: the base (101) is by chromium Base diamond composite material, the anti-corrosion layer (102) are that chromium base silicon carbide ceramic composite plating layer or chromium base boron carbide ceramics are multiple Close coating.

3. a kind of piston ring support device according to claim 1, it is characterised in that: the high-temperature-resistant layer (103) is There is graphene film by the outside deposition of anti-corrosion layer (102), the outside deposition of graphene film has DLC film.

4. a kind of piston ring support device according to claim 1, it is characterised in that: the enhancement layer (104) be by Chromium base silicon carbide ceramic composite or chromium base boron carbide ceramics composite material are made.

5. a kind of piston ring support device according to claim 1, it is characterised in that: the wearing layer (105) be by The spray of enhancement layer (104) surface successively sprays high chrome nitration case, cast iron phosphate coating and chrome steel alloy wearing layer (105).