CN215860529U

CN215860529U - Combined piston ring with wear resistance

Info

Publication number: CN215860529U
Application number: CN202121882675.5U
Authority: CN
Inventors: 石远兵
Original assignee: Yizheng Double Piston Ring Co ltd
Current assignee: Yizheng Double Piston Ring Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-18
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a combined piston ring with wear resistance, which comprises a first piston semi-ring, wherein the first piston semi-ring is fixedly connected with a second piston semi-ring through a clamping mechanism, the tops of the first piston semi-ring and the second piston semi-ring are both provided with through holes, and the outer surfaces of the first piston semi-ring and the second piston semi-ring are both fixedly connected with a wear-resistant layer, so that the device can quickly combine and install the two piston semi-rings through the clamping mechanism, thereby greatly improving the installation efficiency of the device, and the device is not provided with an opening, thereby leading the sealing performance of the device to be stronger, leading the overall structure of the device to be simple, being easy to install and disassemble, having stronger sealing performance, having stronger market competitiveness, and leading the device to protect the outer surface of the piston ring through three materials with super-strong wear resistance, thereby leading the piston ring to have super-high wear resistance, thereby greatly prolonging the service life of the device.

Description

Combined piston ring with wear resistance

Technical Field

The utility model relates to the technical field of piston rings, in particular to a combined piston ring with wear resistance.

Background

The piston ring is a metal ring embedded into a piston groove, is arranged on the piston and is used for realizing the smooth reciprocating motion of the piston in a cylinder and sealing high-temperature combustion gas, the piston works for a long time, the sealing effect is poor, even the piston slightly deforms, an ideal supporting effect cannot be achieved, the required width of the piston for an engine is small, the weight is light, the friction loss is small, the main effects of the piston ring mainly comprise four effects of sealing, oil control, heat transfer and supporting, and the performance, the working reliability, the engine oil consumption rate and the service life of the engine are directly influenced. Wherein piston during operation piston ring directly bears the impact of high temperature high pressure air current, present piston ring mainly has two kinds of monomer formulas and combination formula, present combination formula piston ring generally all utilizes the opening to adjust the tension size of piston ring when aggregate erection, thereby more convenient install the piston ring, but set up the opening and can lead to the closeness reduction of piston ring, the gas tightness also can reduce simultaneously, thereby seriously influence the working effect of piston ring, and present piston ring wearability is not high, lead to its life for a long time inadequately, for this reason, we provide a combination formula piston ring with wearability.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a combined piston ring with wear resistance to solve the above problems of the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a combination formula piston ring with wearability, includes first piston semi-ring, first piston semi-ring passes through clamping mechanism fixedly connected with second piston semi-ring, the through-hole has all been seted up at the top of first piston semi-ring and second piston semi-ring, the equal fixedly connected with wearing layer of surface of first piston semi-ring and second piston semi-ring.

Preferably, the clamping mechanism comprises an insertion groove formed in one side of the first piston half ring and the second piston half ring and a clamping plate fixedly connected to the other side of the first piston half ring and the second piston half ring, a containing groove is formed in the clamping plate, a reset spring is fixedly connected to the bottom of an inner cavity of the containing groove, a fixed rod is fixedly connected to the top of the reset spring, and the top of the fixed rod extends to the upper side of the clamping plate, so that the assembling efficiency is greatly improved.

Preferably, the wear-resisting layer comprises a chromium plating crystal layer, the outer surface of the chromium plating crystal layer is fixedly connected with a nitriding layer, and the outer surface of the nitriding layer is fixedly connected with a phosphating film, so that the wear resistance of the device is greatly improved.

Preferably, one side fixedly connected with deflector of joint board, the guide way of one side inner wall of inserting groove seted up with the deflector looks adaptation to very big improvement this device's stability.

Preferably, the shape and size of the insertion groove are matched with the shape and size of the clamping plate, the outer diameter of the fixing rod is matched with the inner diameter of the through hole, and the top of the fixing rod extends to the upper portions of the first piston semi-ring and the second piston semi-ring through the through hole, so that the sealing performance of the device is greatly improved.

Preferably, the inner walls of the first piston semi-ring and the second piston semi-ring are fixedly connected with elastic pads, and elastic rubber bodies are filled in the elastic pads, so that the practicability of the device is greatly improved.

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

1. according to the utility model, by arranging the inserting groove, the clamping plate, the guide plate, the accommodating groove, the reset spring, the fixed rod and the guide groove, the device can rapidly assemble and install the two piston semi-rings through the clamping mechanism, so that the installation efficiency of the device is greatly improved, and the device is not provided with an opening, so that the device has stronger sealing property, is simple in integral structure, easy to install and disassemble, and stronger in sealing property, and has stronger market competitiveness;

2. the device can protect the outer surface of the piston ring through three materials with super-strong wear resistance by arranging the phosphating film, the nitriding layer and the chromium plating crystal layer, so that the piston ring has super-high wear resistance, and the service life of the device is greatly prolonged.

Drawings

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

FIG. 1 is a schematic perspective view of the present invention as a whole;

FIG. 2 is a schematic perspective view of a first piston half ring according to the present invention;

FIG. 3 is a schematic view of a partial internal structure of the clamping plate of the present invention;

FIG. 4 is a perspective view of a connecting portion of a guide plate and a guide groove according to the present invention;

FIG. 5 is a schematic view of the internal structure of the wear layer of the present invention;

in the figure: 1. a first piston half ring; 2. a second piston half ring; 3. a through hole; 4. inserting grooves; 5. a clamping and connecting plate; 6. a guide plate; 7. accommodating grooves; 8. a return spring; 9. fixing the rod; 10. a guide groove; 11. an elastic pad; 12. a wear layer; 13. phosphating film; 14. a nitride layer; 15. a chromium plated crystalline layer.

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. 1-5, the present invention provides a wear-resistant combined piston ring, which includes a first piston half ring 1, wherein the first piston half ring 1 is fixedly connected to a second piston half ring 2 through a clamping mechanism, the top of the first piston half ring 1 and the top of the second piston half ring 2 are both provided with through holes 3, and the outer surfaces of the first piston half ring 1 and the second piston half ring 2 are both fixedly connected to a wear-resistant layer 12.

In a preferred embodiment, the clamping mechanism comprises an insertion groove 4 formed in one side of the first piston semi-ring 1 and the second piston semi-ring 2 and a clamping plate 5 fixedly connected to the other side of the first piston semi-ring 1 and the second piston semi-ring 2, a holding tank 7 is formed inside the clamping plate 5, a reset spring 8 is fixedly connected to the bottom of an inner cavity of the holding tank 7, a fixing rod 9 is fixedly connected to the top of the reset spring 8, the top of the fixing rod 9 extends to the upper side of the clamping plate 5, the first piston semi-ring 1 and the second piston semi-ring 2 can be more conveniently installed and detached by the aid of the clamping mechanism, and accordingly installation and detachment efficiency of the device is greatly improved.

In a preferred embodiment, the wear-resistant layer 12 comprises a chromium-plated crystalline layer 15, a nitrided layer 14 is fixedly connected to the outer surface of the chromium-plated crystalline layer 15, and a phosphated film 13 is fixedly connected to the outer surface of the nitrided layer 14, so that the wear resistance of the first piston half ring 1 and the second piston half ring 2 is better by the cooperation of three sets of wear-resistant protective layers.

In a preferred embodiment, a guide plate 6 is fixedly connected to one side of the clamping plate 5, a guide groove 10 matched with the guide plate 6 is formed in the inner wall of one side of the insertion groove 4, the clamping plate 5 can be easily aligned with the through hole 3 by the guiding effect of the guide plate 6 and the guide groove 10, and the first piston half ring 1 and the second piston half ring 2 can be connected more tightly by the tight clamping of the guide groove 10 and the guide plate 6.

In a preferred embodiment, the shape and size of the insertion groove 4 are matched with the shape and size of the clamping plate 5, the outer diameter of the fixing rod 9 is matched with the inner diameter of the through hole 3, and the top of the fixing rod 9 extends to the upper part of the first piston half ring 1 and the second piston half ring 2 through the through hole 3, so that the first piston half ring 1 and the second piston half ring 2 can be connected more tightly by the matched shape and size.

In a preferred embodiment, the inner walls of the first piston half ring 1 and the second piston half ring 2 are fixedly connected with an elastic pad 11, the elastic pad 11 is filled with an elastic rubber body, the abrasion between the first piston half ring 1 and the second piston half ring 2 and the piston can be effectively reduced by the elastic rubber body in the elastic pad 11, and a certain amount of compensation can be provided after the first piston half ring 1 and the second piston half ring 2 are abraded.

The working principle of the utility model is as follows: when in use, an operator firstly aligns the inserting grooves 4 in the first piston semi-ring 1 and the second piston semi-ring 2 with each other to the clamping plates 5, then manually presses the fixing rod 9 to enable the fixing rod 9 to be stressed downwards to compress the reset spring 8, after the fixing rod 9 is pressed into the accommodating groove 7, the two clamping plates 5 are inserted into the corresponding inserting grooves 4, then the clamping plates 5 are slowly pushed towards the inside of the inserting grooves 4 by utilizing the guiding action of the guide plate 6 and the guide groove 10, after the fixing rod 9 in the clamping plates 5 moves to the through hole 3, the fixing rod 9 can be rapidly ejected out from the inside of the first piston semi-ring 1 and the second piston semi-ring 2 under the rebounding action of the reset spring 8, so that the first piston semi-ring 1 and the second piston semi-ring 2 can be rapidly and fixedly installed, when in need of disassembly, the fixing rod 9 can be pressed to enable the first piston semi-ring 1 and the second piston semi-ring 2 to enter through the compression reset spring 8, then hard will joint board 5 from the inside take out of inserting groove 4 again can, thereby the installation and the dismantlement efficiency of piston ring have been improved greatly, when the piston ring during operation, utilize the physical characteristic of phosphating film 13, make it can play certain rust-resistant effect and improve the initial stage break-in nature of piston ring to the piston ring, reuse the superstrong wearability and the corrosion resistance of nitride layer 14 carry out further wear protection to the piston ring, reuse the strong wearability and the inseparable smoothness nature of chromium plating crystal layer 15 at last, make the wearability of improvement piston ring that chromium plating crystal layer 15 can be further, and greatly reduced the wearing and tearing between piston ring and the piston.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 combined piston ring with wear resistance, comprising a first piston half ring (1), characterized in that: first piston semi-ring (1) is through clamping mechanism fixedly connected with second piston semi-ring (2), through-hole (3) have all been seted up at the top of first piston semi-ring (1) and second piston semi-ring (2), the equal fixedly connected with wearing layer (12) of surface of first piston semi-ring (1) and second piston semi-ring (2).

2. A composite piston ring having wear resistance as set forth in claim 1 wherein: clamping mechanism is including offering inserting groove (4) and fixed connection at first piston semi-ring (1) and second piston semi-ring (2) one side at clamping plate (5) of first piston semi-ring (1) and second piston semi-ring (2) opposite side, holding tank (7) have been offered to the inside of clamping plate (5), the inner chamber bottom fixedly connected with reset spring (8) of holding tank (7), the top fixedly connected with dead lever (9) of reset spring (8), the top of dead lever (9) extends to the top of clamping plate (5).

3. A composite piston ring having wear resistance as set forth in claim 1 wherein: the wear-resistant layer (12) comprises a chromium plating crystal layer (15), a nitride layer (14) is fixedly connected to the outer surface of the chromium plating crystal layer (15), and a phosphating film (13) is fixedly connected to the outer surface of the nitride layer (14).

4. A composite piston ring having wear resistance as set forth in claim 2 wherein: one side of the clamping plate (5) is fixedly connected with a guide plate (6), and the inner wall of one side of the inserting groove (4) is provided with a guide groove (10) matched with the guide plate (6).

5. A composite piston ring having wear resistance as set forth in claim 2 wherein: the shape and size of the insertion groove (4) are matched with the shape and size of the clamping plate (5), the outer diameter of the fixing rod (9) is matched with the inner diameter of the through hole (3), and the top of the fixing rod (9) extends to the positions above the first piston semi-ring (1) and the second piston semi-ring (2) through the through hole (3).

6. A composite piston ring having wear resistance as set forth in claim 1 wherein: the inner walls of the first piston half ring (1) and the second piston half ring (2) are fixedly connected with elastic pads (11), and elastic rubber bodies are filled in the elastic pads (11).