CN107956873A - A kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating - Google Patents
A kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating Download PDFInfo
- Publication number
- CN107956873A CN107956873A CN201711252948.6A CN201711252948A CN107956873A CN 107956873 A CN107956873 A CN 107956873A CN 201711252948 A CN201711252948 A CN 201711252948A CN 107956873 A CN107956873 A CN 107956873A
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- China
- Prior art keywords
- piston ring
- type structure
- groove
- groove type
- amorphous carbon
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating, belong to piston ring technical field, its purpose is to provide a kind of Combined compressor piston ring, connective stability, the leakproofness for improving piston ring are preferable.The piston ring includes being applied in combination and contour main piston ring and interior auxiliary piston ring, main piston ring madial wall is equipped with positioning protrusion, the top of positioning protrusion spill is short, the lower length of side, the first groove type structure is equipped with the side of positioning protrusion, the following of positioning protrusion is equipped with the second groove, and the outer end of the second groove is equipped with a raised edge protuberance；The lateral wall of interior auxiliary piston ring is equipped with the second groove type structure corresponding with the first groove type structure, and the second groove type structure is equipped with the bulge-structure being adapted with the second groove below, and one end of bulge-structure is equipped with the card being adapted with edge protuberance and sets groove；Locking bar is installed in the space that the first groove type structure and the second groove type structure are formed.
Description
Technical field
The present invention relates to Compressor Technology field, and in particular to the piston ring structure in a kind of compressor.
Background technology
In reciprocating compressor, piston ring is usually mounted with piston, by piston ring come sealing piston and cylinder mirror
Gap between face, primarily serves sealing function.Existing piston ring is primarily present not good enough two aspects of rapid wear, leakproofness
The problem of.
On the rapid wear problem of piston ring, be to a certain extent by piston ring selection it is improper determine, to same
Kind is to the metal material of mill, and different media is for the filled polytetrafluoroethylene ring of same formula, its wear factor difference；It is right
It is also different in same medium, the different filled polytetrafluoroethylene rings to mill metal material to same formula, wear factor.
On the sealing problem of piston ring, cylinder minute surface is fitted closely to the outer rim of piston ring, piston ring must obtain
Effective elastic force necessarily is obtained, so that piston ring must be formed with notch；If piston ring does not have notch, it cannot be obtained just
Elastic force, piston ring is not necessarily close to cylinder minute surface, and the gas of high pressure can be from piston ring and cylinder during compressor compresses gas
Between gap leakage.And equipped with notch piston ring normal work when, since piston ring is there are notch, in long-term use
During, the gap of piston ring incision can be increasing, and then can influence the leakproofness of compressor.
The content of the invention
It is an object of the invention to provide a kind of Combined compressor piston ring, easy to piston ring by way of assembling
Installation, and the connective stability of piston ring, leakproofness are preferable after installation.
To achieve the above object, the technical scheme is that：
A kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating, including be applied in combination and contour
Main piston ring and interior auxiliary piston ring, main piston ring madial wall are equipped with positioning protrusion, and the top of positioning protrusion spill is short, following
It is long, be equipped with the first groove type structure in the side of positioning protrusion, the following of positioning protrusion is equipped with the second groove, the second groove outside
End is equipped with a raised edge protuberance；The lateral wall of interior auxiliary piston ring is equipped with the second groove corresponding with the first groove type structure
Shape structure, the second groove type structure are equipped with the bulge-structure that is adapted with the second groove below, one end of bulge-structure be equipped with
The card that edge protuberance is adapted sets groove；It is provided with the space that the first groove type structure is formed with the second groove type structure
Locking bar；The external cylindrical surface of main piston ring is equipped with metastable state amorphous carbon coating, and metastable state amorphous carbon coating is equipped with tetrahedral amorphous
Carbon film, on the contact surface of main piston ring and metastable state amorphous carbon coating, metastable state amorphous carbon coating and tetrahedral amorphous carbon film
Some embedding grooves are evenly equipped with contact surface.
Wherein, the outside of the upper surface of locking bar is an inclined-plane.
Wherein, the first groove type structure is equal with the height of the second groove type structure, and the first groove type structure is to main work
The distance of plug ring upper surface is equal to the second groove type structure to the distance of interior auxiliary piston ring upper surface, the depth of the first groove type structure
Depth of the degree more than the second groove type structure.
Wherein, the right flank of the second groove and the angle of horizontal direction are right angle, the right flank of bulge-structure and level side
To angle be right angle；The lower surface of bulge-structure is to the upper surface of distance and the second groove of floor upper surface to floor upper table
The distance in face is equal.
The beneficial effects of the present invention are：
Piston ring includes contour main piston ring and interior auxiliary piston ring, and main piston ring is equipped with interior auxiliary piston ring in structure
The locking face in vertical and horizontal face, increases the coupling mechanism force in piston ring horizontal direction；The present invention is in positioning protrusion lateral grooves
Locking bar is placed with shape structure, makes the installation of piston ring more simple, improves installation effectiveness；The present invention is in positioning protrusion side
Locking bar is placed with the groove type structure of face, improves the utilization rate of piston ring；The present invention has higher after piston ring installation
Stability, repeat dismounting use.The external cylindrical surface of main piston ring is equipped with metastable state amorphous carbon coating, can effectively reduce
Piston ring substantially prolongs the service life of piston ring to the aggressiveness of cylinder sleeve；Metastable state amorphous carbon coating is equipped with tetrahedron
Amorphous carbon-film, makes piston ring maintain the high rigidity performance of Buddha's warrior attendant, and inherits the high-wearing feature and low-friction coefficient of graphite, because
And the amount of friction of piston ring and frictional work consumption during piston motion can be effectively reduced, in main piston ring and metastable state amorphous
Some embedding grooves are evenly equipped with the contact surface of carbon coating, on the contact surface of metastable state amorphous carbon coating and tetrahedral amorphous carbon film,
Be greatly improved by embedding groove between main piston ring and metastable state amorphous carbon coating, metastable state amorphous carbon coating and tetrahedron it is non-
Bond strength between brilliant carbon film.
Brief description of the drawings
Fig. 1 is the connection diagram of main piston ring and interior auxiliary piston ring in the present invention；
Fig. 2 is partial schematic diagram when main piston ring and interior auxiliary piston ring group are closed in the present invention；
Fig. 3 is structure diagram when not having seal when main piston ring and interior auxiliary piston ring group are closed in the present invention；
Fig. 4 is the structure diagram of main piston ring in the present invention；
Fig. 5 is the structure diagram of interior auxiliary piston ring in the present invention；
Wherein reference numeral is：It is 1-interior auxiliary piston ring, 2-main piston ring, the 3-the first groove type structure, 4-the second recessed
Groove, 5-edge protuberance, the 6-the second groove type structure, 7-bulge-structure, 8-card set groove, 9-locking bar, 10-inclined-plane,
21-positioning protrusion.
Embodiment
Below in conjunction with the accompanying drawings, the present invention will be further described：
A kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating, including be applied in combination and contour
Main piston ring and interior auxiliary piston ring, main piston ring and interior auxiliary piston ring include the body made of polytetrafluoroethylene material and fill out
Fill in intrinsic polyether-ether-ketone.Main piston ring, interior auxiliary piston ring ring body on offer fault trough, by fault trough in main work
Plug ring, interior auxiliary piston ring ring body on form notch, consequently facilitating main piston ring, interior auxiliary piston ring are installed, and install
When main piston ring ring body on notch, interior auxiliary piston ring ring body on notch mutual dislocation, it is ensured that will not be because in ring body
Notch influences the sealing performance of piston ring.Since main piston ring, interior auxiliary piston ring are assembled using split structure, thus need
Consider main piston ring, the stability of interior auxiliary piston ring splicing.For this reason, positioning protrusion is equipped with main piston ring madial wall, it is described
The top of positioning protrusion spill is shorter, following longer, and side is equipped with the first groove type structure, is equipped with groove and a protrusion below
The edge protuberance of structure, the second groove type structure also is provided with the side of positioning protrusion, and the following of the second groove type structure is equipped with
One bulge-structure, one end of bulge-structure set groove equipped with a card.First groove type structure and the second groove type structure
It is highly equal, and both are identical to the distance of floor upper surface, the depth of the first groove type structure is slightly larger than the second groove type knot
The depth of structure.The lower surface of bulge-structure to the upper surface of distance and the second groove of floor upper surface to floor upper surface away from
From equal, the right flank of following second groove of positioning protrusion and the angle of horizontal direction are right angle, the right flank of bulge-structure with
The angle of horizontal direction is right angle.The external cylindrical surface of main piston ring is equipped with metastable state amorphous carbon coating, metastable state amorphous carbon coating
It is equipped with tetrahedral amorphous carbon film.Wherein tetrahedral amorphous carbon film produces grain using form of energy such as laser, electric arc and ion beams
Beamlet deposition form, main piston ring with the contact surface of metastable state amorphous carbon coating, metastable state amorphous carbon coating and tetrahedron it is non-
Some embedding grooves are evenly equipped with the contact surface of brilliant carbon film, be greatly improved main piston ring by embedding groove applies with metastable state amorphous carbon
Bond strength between layer, metastable state amorphous carbon coating and tetrahedral amorphous carbon film.
It is close to during splicing by the preceding facade of main piston ring, interior auxiliary piston ring is parallel, by the close main piston of interior auxiliary piston ring
One end of ring gently pushes, and the left surface inclined-plane of bulge-structure extrudes locking into positioning protrusion side the first groove type structure
Bar, makes the locking bar after elastic deformation be fully located in the first groove type structure of positioning protrusion side, the termination of bulge-structure is complete
After being embedded in entirely in corresponding positioning protrusion, locking bar returns to original shape under its own resilient effect, is stuck in positioning protrusion
Between side the first groove type structure and the second groove type structure, it is trivial tight and position to play vertical direction, while convex
The right flank of the right flank and bulge-structure that play following second groove is mutually twisted, and the locking and positioning for playing horizontal direction are made
With so as to complete the installation of piston ring.
Embodiment 1
A kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating, including be applied in combination and contour
Main piston ring and interior auxiliary piston ring, main piston ring madial wall are equipped with positioning protrusion, and the top of positioning protrusion spill is short, following
It is long, be equipped with the first groove type structure in the side of positioning protrusion, the following of positioning protrusion is equipped with the second groove, the second groove outside
End is equipped with a raised edge protuberance；The lateral wall of interior auxiliary piston ring is equipped with the second groove corresponding with the first groove type structure
Shape structure, the second groove type structure are equipped with the bulge-structure that is adapted with the second groove below, one end of bulge-structure be equipped with
The card that edge protuberance is adapted sets groove；It is provided with the space that the first groove type structure is formed with the second groove type structure
Locking bar；The external cylindrical surface of main piston ring is equipped with metastable state amorphous carbon coating, and metastable state amorphous carbon coating is equipped with tetrahedral amorphous
Carbon film, on the contact surface of main piston ring and metastable state amorphous carbon coating, metastable state amorphous carbon coating and tetrahedral amorphous carbon film
Some embedding grooves are evenly equipped with contact surface..
Embodiment 2
On the basis of embodiment one, the outside of the upper surface of locking bar is an inclined-plane.
Embodiment 3
On the basis of embodiment one or embodiment two, the height phase of the first groove type structure and the second groove type structure
Deng, and the distance of the first groove type structure to main piston ring upper surface is equal to the second groove type structure to interior auxiliary piston ring upper surface
Distance, the depth of the first groove type structure is more than the depth of the second groove type structure.
Embodiment 4
On the basis of above-described embodiment, the right flank of the second groove and the angle of horizontal direction are right angle, bulge-structure
Right flank and the angle of horizontal direction be right angle；Distance and second groove of the lower surface of bulge-structure to floor upper surface
The distance of upper surface to floor upper surface is equal.
Claims (4)
1. a kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating, including it is applied in combination and contour master
Piston ring (2) and interior auxiliary piston ring (1), it is characterised in that：Main piston ring (2) madial wall is equipped with positioning protrusion (21), positioning
The top of raised (21) spill is short, the lower length of side, and the first groove type structure (3), convex are equipped with the side of positioning protrusion (21)
Play the following of (21) and be equipped with the second groove (4), the outer end of the second groove (4) is equipped with a raised edge protuberance (5)；It is interior secondary living
The lateral wall of plug ring (1) is equipped with the second groove type structure (6) corresponding with the first groove type structure (3), the second groove type structure
(6) following to be equipped with the bulge-structure (7) being adapted with the second groove (4), one end of bulge-structure (7) is equipped with and edge protuberance
(5) card being adapted sets groove (8)；Pacify in the space that the first groove type structure (3) and the second groove type structure (6) are formed
Equipped with locking bar (9)；The external cylindrical surface of main piston ring is equipped with metastable state amorphous carbon coating, and metastable state amorphous carbon coating is equipped with four sides
Body amorphous carbon-film, on the contact surface of main piston ring and metastable state amorphous carbon coating, metastable state amorphous carbon coating and tetrahedral amorphous
Some embedding grooves are evenly equipped with the contact surface of carbon film.
2. a kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating as claimed in claim 1, it is special
Sign is：The outside of the upper surface of locking bar (9) is an inclined-plane (10).
3. a kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating as claimed in claim 1, it is special
Sign is：First groove type structure (3) is equal with the height of the second groove type structure (6), and the first groove type structure (3) arrives master
The distance of piston ring (2) upper surface is equal to the distance that the second groove type structure (6) arrives interior auxiliary piston ring (1) upper surface, and first is recessed
The depth of bathtub construction (3) is more than the depth of the second groove type structure (6).
4. a kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating as claimed in claim 1, it is special
Sign is：The right flank of second groove (4) and the angle of horizontal direction are right angle, the right flank of bulge-structure (7) and level side
To angle be right angle；The lower surface of bulge-structure (7) to the upper surface of distance and the second groove (4) of floor upper surface to
The distance of plate upper surface is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711252948.6A CN107956873A (en) | 2017-12-01 | 2017-12-01 | A kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711252948.6A CN107956873A (en) | 2017-12-01 | 2017-12-01 | A kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107956873A true CN107956873A (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711252948.6A Pending CN107956873A (en) | 2017-12-01 | 2017-12-01 | A kind of right angle lock catch formula Compressor Piston Ring equipped with metastable state amorphous carbon coating |
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|---|---|
| CN (1) | CN107956873A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113260787A (en) * | 2019-01-16 | 2021-08-13 | 株式会社加地技术 | Gas compressor and method for manufacturing gas compressor |
-
2017
- 2017-12-01 CN CN201711252948.6A patent/CN107956873A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113260787A (en) * | 2019-01-16 | 2021-08-13 | 株式会社加地技术 | Gas compressor and method for manufacturing gas compressor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180424 |
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| WD01 | Invention patent application deemed withdrawn after publication |