CN108005884A - Cylinder and there is its compressor - Google Patents
Cylinder and there is its compressor Download PDFInfo
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- CN108005884A CN108005884A CN201711388852.2A CN201711388852A CN108005884A CN 108005884 A CN108005884 A CN 108005884A CN 201711388852 A CN201711388852 A CN 201711388852A CN 108005884 A CN108005884 A CN 108005884A
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- cylinder
- class graphite
- graphite linings
- cylinder body
- composite film
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Classifications
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- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
Abstract
The present invention provides a kind of cylinder and there is its compressor, cylinder includes cylinder body, and cylinder further includes：Class graphite composite film, class graphite composite film are arranged at least part of surface of cylinder body, wherein, class graphite composite film includes wearing layer, and wearing layer includes at least one layer of doping class graphite linings and/or at least one layer of class graphite linings.The cylinder of the present invention solves the problems, such as that cylinder wear amount of the prior art is larger.
Description
Technical field
The present invention relates to compressor field, in particular to a kind of cylinder and has its compressor.
Background technology
At present, refrigeration compressor mainly has piston compressor, rotor-type compressor, screw compressor etc., suitable for difference
Cold occasion.
Existing to turn in the cylinder piston compressor, cylinder is one of Pump Body Parts of most critical, during carrying out practically, gas
The friction pair of cylinder and other components is more, and the secondary theoretical friction power loss being related to of these frictions accounts for whole Pump Body Parts frictional work
75% or so of consumption.On this basis, reduce cylinder and be particularly important with the friction coefficient between pair.
The content of the invention
It is a primary object of the present invention to provide a kind of cylinder and there is its compressor, to solve gas of the prior art
The problem of cylinder wear extent is larger.
To achieve these goals, according to an aspect of the invention, there is provided a kind of cylinder, including cylinder body, gas
Cylinder further includes：Class graphite composite film, class graphite composite film are arranged at least part of surface of cylinder body, wherein, class stone
Black composite membrane includes wearing layer, and wearing layer includes at least one layer of doping class graphite linings and/or at least one layer of class graphite linings.
Further, wearing layer includes doping class graphite linings, and class graphite composite film further includes：Tack coat, tack coat are set
Between doping class graphite linings and cylinder body, tack coat is used to connect doping class graphite linings and cylinder body.
Further, wearing layer includes class graphite linings, and class graphite composite film further includes：Tack coat, tack coat are arranged on class
Between graphite linings and cylinder body, tack coat is used to connect class graphite linings and cylinder body.
Further, wearing layer includes doping class graphite linings and class graphite linings, class graphite composite film further include：Tack coat,
Tack coat is arranged between doping class graphite linings and cylinder body, doping class graphite linings be arranged on tack coat and class graphite linings it
Between, tack coat is used to connect doping class graphite linings and cylinder body.
Further, tack coat includes：Prime coat, prime coat is by least one of Cr, Ti, Zr, W, Mo or Y material system
Standby to form, prime coat is connected with cylinder body.
Further, tack coat further includes：Transition zone, transition zone is by least one of Cr, Ti, Zr, W, Mo or Y material
It is mixed with and forms with C, transition zone is connected with cylinder body.
Further, tack coat includes：Prime coat, prime coat is by least one of Cr, Ti, Zr, W, Mo or Y material system
It is standby to form；Transition zone, transition zone are mixed with by least one of Cr, Ti, Zr, W, Mo or Y material and C and formed, prime coat
It is arranged between transition zone and cylinder body.
Further, the C content in transition zone is by gradual to the side away from cylinder body close to the side of cylinder body
Increase.
Further, class graphite linings are prepared by amorphous carbon, and the carbon content being bonded in amorphous carbon with sp2 is big
In the carbon content being bonded with sp3, and the carbon being bonded with sp1 is more than with the carbon content of sp2 bondings in amorphous carbon
Atom content.
Further, doping class graphite linings are combined by amorphous carbon and metal material, wherein, metal material is following
At least one of material：Cr, Ti, Zr, W, Mo or Y.
Further, the thickness of class graphite composite film is a, wherein, 0.5um≤a≤5um.
Further, cylinder body is process by steel body or by the steel body of Nitrizing Treatment.
According to another aspect of the present invention, there is provided a kind of compressor, including cylinder, upper flange and lower flange, cylinder are set
Put between upper flange and lower flange, cylinder is above-mentioned cylinder.
Further, compressor further includes：Limiting plate, limiting plate are arranged between cylinder and lower flange；Cylinder jacket, cylinder
It is arranged in cylinder jacket.
The cylinder of the present invention on the surface of cylinder body by being provided with class graphite composite film, so as to provide cylinder sheet
The wearability of body, avoids the Fast Wearing of cylinder body.Wherein, class graphite composite film is arranged at least part of cylinder body
Surface on, class graphite composite film includes wearing layer, and wearing layer includes at least one layer of doping class graphite linings and/or at least one layer
Class graphite linings.It is low, wear-resistant and excellent with reference to power all with friction coefficient in view of doping class graphite linings and class graphite linings
Feature, so as to reduce cylinder with secondary friction coefficient, improving the wearability of cylinder, and then reduce the friction of compressor
Power consumption, improves compressor service life, solves the problems, such as that cylinder wear amount of the prior art is larger.
Brief description of the drawings
The accompanying drawings which form a part of this application are used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structure diagram of the first embodiment of cylinder according to the present invention；
Fig. 2 shows the structure diagram of second of embodiment of cylinder according to the present invention；
Fig. 3 shows the structure diagram of the third embodiment of cylinder according to the present invention；
Fig. 4 shows the structure diagram of the 4th kind of embodiment of cylinder according to the present invention；
Fig. 5 shows the structure diagram of the 5th kind of embodiment of cylinder according to the present invention；
Fig. 6 shows the structure diagram of the 6th kind of embodiment of cylinder according to the present invention；
Fig. 7 shows the structure diagram of the 7th kind of embodiment of cylinder according to the present invention；
Fig. 8 shows the structure diagram of the 8th kind of embodiment of cylinder according to the present invention；
Fig. 9 shows the structure diagram of the 9th kind of embodiment of cylinder according to the present invention；
Figure 10 shows the structure diagram of the tenth kind of embodiment of cylinder according to the present invention；
Figure 11 shows the structure diagram of compressor according to the present invention；
Figure 12 shows the cross-sectional view of compressor according to the present invention；
Figure 13 shows the structure diagram of the cylinder of compressor according to the present invention；
Figure 14 shows the cross-sectional view of the cylinder of compressor according to the present invention；
Figure 15 shows the cylinder of the present invention and the friction coefficient comparison diagram of existing cylinder.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, cylinder body；20th, class graphite composite film；21st, class graphite linings are adulterated；22nd, class graphite linings；23rd, prime coat；24、
Transition zone；30th, cylinder；40th, upper flange；50th, lower flange；60th, limiting plate；70th, cylinder jacket；80th, piston；90th, shaft.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
The present invention provides a kind of cylinder, and please referring to Fig.1 to Figure 10, cylinder includes cylinder body 10, and cylinder further includes：Class
Graphite composite film 20, class graphite composite film 20 are arranged at least part of surface of cylinder body 10, wherein, class graphite is compound
Film 20 includes wearing layer, and wearing layer includes at least one layer of doping class graphite linings 21 and/or at least one layer of class graphite linings 22.
The cylinder of the present invention on the surface of cylinder body 10 by being provided with class graphite composite film 20, so as to provide gas
The wearability of cylinder body 10, avoids the Fast Wearing of cylinder body 10.Wherein, class graphite composite film 20 is arranged on cylinder body
On 10 at least part of surface, class graphite composite film 20 includes wearing layer, and wearing layer includes at least one layer of doping class graphite
Layer 21 and/or at least one layer of class graphite linings 22.All there is friction coefficient in view of doping class graphite linings 21 and class graphite linings 22
The characteristics of low, wear-resistant and combination power is excellent, so as to reduce cylinder with secondary friction coefficient, improving the wear-resisting of cylinder
Property, and then the friction power loss of compressor is reduced, compressor service life is improved, solves cylinder wear amount of the prior art
The problem of larger.
In order to preferably make wearing layer be combined with cylinder body 10, wearing layer includes doping class graphite linings 21, class
Graphite composite film 20 further includes：Tack coat, tack coat are arranged between doping class graphite linings 21 and cylinder body 10, and tack coat is used
In connection doping class graphite linings 21 and cylinder body 10.
By being provided with doping class graphite linings 21 on wearing layer, tack coat is provided with class graphite composite film 20, wherein,
Tack coat is arranged between doping class graphite linings 21 and cylinder body 10.In view of doping class graphite linings 21 directly and cylinder body
10 associativity is poor, therefore, doping class graphite linings 21 and cylinder body 10 can preferably be connected by tack coat.
In order to further improve the wear-resisting property of wearing layer, wearing layer includes class graphite linings 22, and class graphite is compound
Film 20 further includes：Tack coat, tack coat are arranged between class graphite linings 22 and cylinder body 10, and tack coat is used to connect class graphite
Layer 22 and cylinder body 10.
By being provided with class graphite linings 22 on wearing layer, tack coat is provided with class graphite composite film 20.In view of class
Graphite linings 22 are directly poor with the associativity of cylinder body 10, so, by the way that tack coat is arranged on class graphite linings 22 and cylinder
Between body 10, class graphite linings 22 and cylinder body 10 can be preferably connected.
Preferably, wearing layer includes doping class graphite linings 21 and class graphite linings 22, class graphite composite film 20 further include：Bond
Layer, tack coat are arranged between doping class graphite linings 21 and cylinder body 10, and doping class graphite linings 21 are arranged on tack coat and class
Between graphite linings 22, tack coat is used to connect doping class graphite linings 21 and cylinder body 10.
In order to improve the conjugation of cylinder body 10 and tack coat, tack coat includes：Prime coat 23, prime coat 23 by
At least one of Cr, Ti, Zr, W, Mo or Y material are prepared, and prime coat 23 is connected with cylinder body 10.
By being provided with prime coat 23 on tack coat, wherein, prime coat 23 by Cr, Ti, Zr, W, Mo or Y at least
A kind of material is prepared, and by the way that prime coat 23 is connected with cylinder body 10, can preferably be connected with cylinder body 10
Connect.
Correspondingly, tack coat further includes：Transition zone 24, transition zone 24 is by least one of Cr, Ti, Zr, W, Mo or Y material
Material and C, which are mixed with, to be formed, and transition zone 24 is connected with cylinder body 10.
Preferably, tack coat includes：Prime coat 23, prime coat 23 is by least one of Cr, Ti, Zr, W, Mo or Y material
It is prepared；Transition zone 24, transition zone 24 are mixed with by least one of Cr, Ti, Zr, W, Mo or Y material and C and formed,
Prime coat 23 is arranged between transition zone 24 and cylinder body 10.
In order to strengthen the wear-resisting property of transition zone 24, C content in transition zone 24 by close to the side of cylinder body 10 to
Side away from cylinder body 10 gradually increases.
By by the C content in transition zone 24 by close to the side of cylinder body 10 to the side of remote cylinder body 10 by
Cumulative to add, correspondingly, at least one of Cr, Ti, Zr, W, Mo or Y in transition zone 24 material are by close to cylinder body 10
Side is gradually decreased to the side away from cylinder body 10.With this easy to reduce stress in thin film, and then improve film layer and matrix
With reference to power.
For the concrete structure of class graphite linings 22, class graphite linings 22 are prepared by amorphous carbon, with sp2 in amorphous carbon
The carbon content of bonding is more than the carbon content being bonded with sp3, and the carbon content being bonded in amorphous carbon with sp2
More than the carbon content being bonded with sp1.
Correspondingly, doping class graphite linings 21 are combined by amorphous carbon and metal material, wherein, metal material is following
At least one of material：Cr, Ti, Zr, W, Mo or Y.
The C content in class graphite linings 21 is adulterated by equal to the side away from cylinder body 10 close to the side of cylinder body 10
Even distribution.
In the present embodiment, class graphite linings 21 are adulterated to be combined by amorphous carbon and metal material, wherein, metal material
For at least one of Cr, Ti, Zr, W, Mo or Y.
Preferably, the thickness of class graphite composite film 20 is a, wherein, 0.5um≤a≤5um.
Preferably, cylinder body 10 is process by steel body or by the steel body of Nitrizing Treatment.
It is shown in Figure 1, in the first embodiment of the present invention, class graphite composite film 20 include doping class graphite linings 21,
Class graphite linings 22, prime coat 23 and transition zone 24.Wherein, prime coat 23, transition zone 24, doping class graphite linings 21 and class stone
Layer of ink 22 is sequentially coated on the surface of cylinder body 10 from inside to outside.
For first embodiment so that the combination power of class graphite composite film 20 and cylinder body 10 is very good, significantly improves
The reliability of class graphite composite film so that compresser cylinder hardness can reach 20GPa or so in the present embodiment (is not plate class
It is more than the three times of graphite composite film cylinder), and the relatively non-coating cylinder of specific wear rate can reduce by 3 orders of magnitude, so as to carry significantly
The service life of high compressor cylinder itself and rotary compressor.
For specific friction test data, as illustrated in chart 1.
From the following table 1, it can be seen that the cylinder for being provided with class graphite composite film 20 is opposite to be not provided with class graphite composite film
Cylinder under different loads can by friction coefficient reduce 20-35% (using cylinder use high-speed steel, to rub pair use cast iron as
Example), so as to substantially reduce friction power loss, improve compressor efficiency.Experimental condition：Linear velocity is 1m/s, and load (pressure) is respectively
For 1,3,5bar, using 68DA oil lubrications.
1 compresser cylinder of table is provided with the friction coefficient before and after class graphite composite film (under different pressure)
| 1bar | 3bar | 5bar | |
| High-speed steel-cast iron | 0.126 | 0.063 | 0.049 |
| It is provided with high-speed steel-cast iron of class graphite composite film | 0.097 | 0.046 | 0.034 |
| The friction coefficient range of decrease | 23.0% | 27.0% | 31.6% |
The combination power of class graphite composite film and cylinder body 10 can reach HF1 grades, be《German engineer handbook》
Highest ranking in VDI3198-1992 standards, greatly reduces the possibility of class graphite composite film peeling.
The thickness of class graphite composite film in the present invention is 0.5 μm to 5 μm, it is therefore preferable to 1um to 2um.
Shown in Figure 2, in the second embodiment of the present invention, class graphite composite film 20 includes class graphite linings 22, bottoming
Layer 23 and transition zone 24.Wherein, prime coat 23, transition zone 24 and class graphite linings 22 are sequentially coated on cylinder sheet from inside to outside
On the surface of body 10.
It is shown in Figure 3, in the third embodiment of the present invention, class graphite composite film 20 include doping class graphite linings 21,
Class graphite linings 22 and transition zone 24.Wherein, transition zone 24, doping class graphite linings 21 and class graphite linings 22 are from inside to outside successively
It is covered on the surface of cylinder body 10.
It is shown in Figure 4, in the fourth embodiment of the present invention, class graphite composite film 20 include doping class graphite linings 21,
Class graphite linings 22 and prime coat 23.Wherein, prime coat 23, doping class graphite linings 21 and class graphite linings 22 are from inside to outside successively
It is covered on the surface of cylinder body 10.
It is shown in Figure 5, in the fifth embodiment of the present invention, class graphite composite film 20 include doping class graphite linings 21,
Prime coat 23 and transition zone 24.Wherein, prime coat 23, transition zone 24 and doping class graphite linings 21 cover successively from inside to outside
On the surface of cylinder body 10.
Shown in Figure 6, in the sixth embodiment of the present invention, class graphite composite film 20 includes prime coat 23 and class stone
Layer of ink 22.Wherein, prime coat 23 and class graphite linings 22 are sequentially coated on the surface of cylinder body 10 from inside to outside.
Shown in Figure 7, in the seventh embodiment of the present invention, class graphite composite film 20 includes class graphite linings 22 and mistake
Cross layer 24.Wherein, transition zone 24 and class graphite linings 22 are sequentially coated on the surface of cylinder body 10 from inside to outside.
It is shown in Figure 8, in the eighth embodiment of the present invention, class graphite composite film 20 include doping class graphite linings 21 with
And class graphite linings 22.Wherein, class graphite linings 21 are adulterated and class graphite linings 22 is sequentially coated on cylinder body 10 from inside to outside
On surface.
It is shown in Figure 9, in the ninth embodiment of the present invention, class graphite composite film 20 include doping class graphite linings 21 with
And prime coat 23.Wherein, prime coat 23 and doping class graphite linings 21 are sequentially coated on the surface of cylinder body 10 from inside to outside
On.
Shown in Figure 10, in the tenth embodiment of the present invention, class graphite composite film 20 includes doping class graphite linings 21
And transition zone 24.Wherein, transition zone 24 and doping class graphite linings 21 are sequentially coated on the table of cylinder body 10 from inside to outside
On face.
A kind of preferable structure of the present invention is as follows：
Using closed field unbalanced magnetron sputtering ion plating (belonging to PVD process) equipment in turning the cylinder piston compresser cylinder table
Face is overplated with class graphite composite film 20.The material of cylinder is high-speed tool steel SKH51 (the JIS trades mark) in the present embodiment, and is passed through
Quenching+lonneal processing+nitrogen treatment.
Class graphite composite film is from inside to outside successively by prime coat 23, transition zone 24 and doping class graphite linings in the present embodiment
21 are formed.Above-mentioned prime coat 23 be pure Cr layer, gradient layer 24 be Cr-C layers (from inside to outside, Cr contents are gradually decrease to 0-10%,
C content is gradually risen to 90-100%), doping class graphite linings 21 are Cr-GLC layers, and (C is uniformly distributed with Cr, and Cr contents are 0-
10%, C content 90-100%).Obtained class graphite composite film 20 has following characteristic：
The thickness of class graphite composite film is about 1.3um；
The hardness of class graphite composite film is about 20GPa (being more than the three times of non-coating cylinder)；
The combination power of class graphite composite film is HF1 grades：150kg is applied on the cylinder after coating using Rockwell apparatus
Pressure, and by optical microphotograph sem observation load mould, then with VDI 3198-1992 standards load mould relatively and (standard load mould of grading
It is divided into 6 grades, 1-4 grades are qualified, and 5-6 grades are unqualified).
Friction test shows：The high-speed steel (SKH51 materials) for being provided with class graphite composite film is not provided with class graphite relatively
Friction coefficient can be reduced 20-35% (referring to table 1) by the high-speed steel of composite membrane.
Comparing result is as shown in figure 15, and SKH51-HT250 represents that friction pair is SKH51 and HT250 in figure；GLC-HT250
Represent that friction pair is SKH51 (being provided with class graphite composite film) and HT250.Experimental condition：Rubbed using thrust ring type secondary, linear speed
Spend for 1m/s, pressure is respectively 1,3,5bar, using 68DA oil lubrications.
Wear test shows：Friction test specimen (SKH51 materials) specific wear rate for being provided with class graphite composite film is 2.5*10-
16m3·N-1·m-1；Under same test conditions, the test specimen specific wear rate for being not provided with class graphite composite film is 6.2*10-
13m3·N-1·m-1；So that the high-speed steel (SKH51 materials) for being provided with class graphite composite film is not provided with class graphite relatively and answers
Closing the high-speed steel of film can reduce specific wear rate more than 3 orders of magnitude；Experimental condition：Using ball disk-type friction pair, to pair of rubbing
Select hard alloy (WC-Co6%) ball that radius is 5mm, load 20N, linear velocity 0.2m/s, testing time 30min.
Installation effect：The cylinder for being provided with class graphite composite film can relative to the cylinder for being not provided with class graphite composite film
A kind of efficiency for turning cylinder compressor is improved into 2-6%.
Class graphite (GLC) refers to amorphous carbon in the present embodiment, and wherein carbon atom is good for sp2 is combined into master, and has leading for graphite
Electrical property.The elements such as a small amount of Ti or Cr are mixed in class graphite film, can not only keep high rigidity, low-friction coefficient, low abrasion
Rate, preferable toughness and high bearing capacity, and outstanding frictional behaviour is shown in air, oil or water, and with load
Increase, friction coefficient also accordingly reduces.Metal Cr also has enhancing toughness and antioxygenic property in class graphite film, hence it is evident that changes
The comprehensive performance of good people's graphite film.In addition, intermediate layer usually is provided between matrix and class graphite linings, to reduce in film layer
Stress, and then improve the combination power of matrix film layer.
Class graphite composite film is provided with by the outer surface of cylinder body 10 in this present embodiment, it is compound by such graphite
The effect of film, easy to improve the anti-wear and wear-resistant performance of compresser cylinder：On the one hand, class graphite composite film can reduce compressor gas
The specific wear rate of cylinder, so as to greatly improve the service life of compresser cylinder itself and compressor；On the other hand, class graphite is compound
Film can significantly reduce the friction coefficient of cylinder, so as to reduce compressor mechanical consumption, lift compressor efficiency.
Present invention also offers a kind of compressor, and as shown in Figure 11 to 14, compressor includes cylinder 30,40 and of upper flange
Lower flange 50, cylinder 30 are arranged between upper flange 40 and lower flange 50, and cylinder is above-mentioned cylinder.
Preferably, compressor further includes：Limiting plate 60, limiting plate 60 are arranged between cylinder 30 and lower flange 50；Cylinder
Set 70, cylinder 30 is arranged in cylinder jacket 70.
Preferably, compressor further includes：Piston 80 and shaft 90, piston 80 are arranged in the piston hole of cylinder 30, shaft
90 are arranged on the center of compressor.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：
The cylinder of the present invention on the surface of cylinder body 10 by being provided with class graphite composite film 20, so as to provide gas
The wearability of cylinder body 10, avoids the Fast Wearing of cylinder body 10.Wherein, class graphite composite film 20 is arranged on cylinder body
On 10 at least part of surface, class graphite composite film 20 includes wearing layer, and wearing layer includes at least one layer of doping class graphite
Layer 21 and/or at least one layer of class graphite linings 22.All there is friction coefficient in view of doping class graphite linings 21 and class graphite linings 22
The characteristics of low, wear-resistant and combination power is excellent, so as to reduce cylinder with secondary friction coefficient, improving the wear-resisting of cylinder
Property, and then the friction power loss of compressor is reduced, compressor service life is improved, solves cylinder wear amount of the prior art
The problem of larger.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of cylinder, including cylinder body (10), it is characterised in that the cylinder further includes：
Class graphite composite film (20), the class graphite composite film (20) are arranged at least part of table of the cylinder body (10)
On face, wherein, the class graphite composite film (20) includes wearing layer, and the wearing layer includes at least one layer of doping class graphite linings
(21) and/or at least one layer of class graphite linings (22).
2. cylinder according to claim 1, it is characterised in that the wearing layer includes the doping class graphite linings (21),
The class graphite composite film (20) further includes：
Tack coat, the tack coat are arranged between the doping class graphite linings (21) and the cylinder body (10), described viscous
Knot layer is used to connect the doping class graphite linings (21) and the cylinder body (10).
3. cylinder according to claim 1, it is characterised in that the wearing layer includes the class graphite linings (22), described
Class graphite composite film (20) further includes：
Tack coat, the tack coat are arranged between the class graphite linings (22) and the cylinder body (10), the tack coat
For connecting the class graphite linings (22) and the cylinder body (10).
4. cylinder according to claim 1, it is characterised in that the wearing layer include it is described doping class graphite linings (21) and
The class graphite linings (22), the class graphite composite film (20) further include：
Tack coat, the tack coat are arranged between doping class graphite linings (21) and the cylinder body (10), the doping class
Graphite linings (21) are arranged between the tack coat and the class graphite linings (22), and the tack coat is used to connect the doping class
Graphite linings (21) and the cylinder body (10).
5. cylinder according to any one of claim 2 to 4, it is characterised in that the tack coat includes：
Prime coat (23), the prime coat (23) is prepared by least one of Cr, Ti, Zr, W, Mo or Y material, described
Prime coat (23) is connected with the cylinder body (10).
6. cylinder according to any one of claim 2 to 4, it is characterised in that the tack coat further includes：
Transition zone (24), the transition zone (24) be mixed with by least one of Cr, Ti, Zr, W, Mo or Y material and C and
Into the transition zone (24) is connected with the cylinder body (10).
7. cylinder according to any one of claim 2 to 4, it is characterised in that the tack coat includes：
Prime coat (23), the prime coat (23) are prepared by least one of Cr, Ti, Zr, W, Mo or Y material；
Transition zone (24), the transition zone (24) be mixed with by least one of Cr, Ti, Zr, W, Mo or Y material and C and
Into the prime coat (23) is arranged between the transition zone (24) and the cylinder body (10).
8. cylinder according to claim 6, it is characterised in that the C content in the transition zone (24) is by close to the gas
The side of cylinder body (10) gradually increases to the side away from the cylinder body (10).
9. cylinder according to claim 1, it is characterised in that the class graphite linings (22) are prepared by amorphous carbon,
With sp in the amorphous carbon2The carbon content of bonding is more than with sp3The carbon content of bonding, and the amorphous carbon
In with sp2The carbon content of bonding is more than with sp1The carbon content of bonding.
10. cylinder according to claim 1, it is characterised in that the doping class graphite linings (21) are by amorphous carbon and gold
Belong to Material cladding to form, wherein, the metal material is at least one of following material：Cr, Ti, Zr, W, Mo or Y.
11. cylinder according to claim 1, it is characterised in that the thickness of the class graphite composite film (20) is a, wherein,
0.5um≤a≤5um。
12. cylinder according to claim 1, it is characterised in that the cylinder body (10) is by steel body or by oozing
The steel body of nitrogen processing is process.
13. a kind of compressor, including cylinder (30), upper flange (40) and lower flange (50), the cylinder (30) is arranged on described
Between upper flange (40) and the lower flange (50), it is characterised in that the cylinder (30) is any one of claim 1 to 12
The cylinder (30).
14. compressor according to claim 13, it is characterised in that the compressor further includes：
Limiting plate (60), the limiting plate (60) are arranged between the cylinder (30) and the lower flange (50)；
Cylinder jacket (70), the cylinder (30) are arranged in the cylinder jacket (70).
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|---|---|---|---|
| CN201711388852.2A CN108005884A (en) | 2017-12-18 | 2017-12-18 | Cylinder and there is its compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388852.2A CN108005884A (en) | 2017-12-18 | 2017-12-18 | Cylinder and there is its compressor |
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| CN108005884A true CN108005884A (en) | 2018-05-08 |
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| CN201711388852.2A Pending CN108005884A (en) | 2017-12-18 | 2017-12-18 | Cylinder and there is its compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165448A (en) * | 2021-12-06 | 2022-03-11 | 珠海凌达压缩机有限公司 | Friction assembly, rotary compressor and air conditioning system |
| CN114807858A (en) * | 2022-04-22 | 2022-07-29 | 合肥工业大学 | Coating containing zirconium graphite-based nano multilayer film on surface of sealing ring and preparation method thereof |
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| CN114807858A (en) * | 2022-04-22 | 2022-07-29 | 合肥工业大学 | Coating containing zirconium graphite-based nano multilayer film on surface of sealing ring and preparation method thereof |
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