CN212958886U - Graphene ceramic composite film engine - Google Patents
Graphene ceramic composite film engine Download PDFInfo
- Publication number
- CN212958886U CN212958886U CN201922448419.4U CN201922448419U CN212958886U CN 212958886 U CN212958886 U CN 212958886U CN 201922448419 U CN201922448419 U CN 201922448419U CN 212958886 U CN212958886 U CN 212958886U
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- Prior art keywords
- piston
- engine
- connecting rod
- ceramic composite
- graphene ceramic
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- 239000000919 ceramic Substances 0.000 title claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 24
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- -1 graphite alkene Chemical class 0.000 claims abstract description 7
- 239000010409 thin film Substances 0.000 claims 5
- 239000010408 film Substances 0.000 claims 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229930195733 hydrocarbon Natural products 0.000 abstract description 3
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a graphite alkene pottery composite film engine belongs to piston engine technical field, including cylinder, piston and piston ring, reciprocating motion is established in the cylinder to the piston, the piston rod is equipped with a plurality of end to end's annular piston ring with the top, and is a plurality of constitute cyclic annular air chamber in the annular piston ring, the inner wall of cylinder the piston with the piston ring all plates graphite alkene pottery composite film. The common metal engine is changed into a graphene ceramic composite film engine, the excellent characteristics of the graphene ceramic film are presented, the durability of the engine is improved by more than two times, the mechanical friction loss of the engine is reduced by more than 30%, and the dynamic property and the economical efficiency of the engine are greatly improved; the combustion discharge amount of hydrocarbon and carbon monoxide is reduced by 30-70%, and the environmental protection performance of the engine is obviously improved.
Description
Technical Field
The utility model relates to a piston engine technical field, in particular to graphite alkene pottery composite film engine.
Background
A piston engine, also called a reciprocating engine, is an engine that converts pressure into rotational energy using one or more pistons. The piston engine is a kind of heat engine, and is powered by gasoline, diesel oil and other fuel. The piston engine mainly comprises a cylinder, a piston, a connecting rod, a crankshaft, a valve mechanism, a propeller reducer, a casing and the like. Piston aircraft engines have been developed from automotive piston engines, mostly four-stroke engines, i.e. one cylinder completes one working cycle, and the piston in the cylinder goes through four strokes, namely an intake stroke, a compression stroke, an expansion stroke and an exhaust stroke. Besides the main components, the engine must also have several auxiliary systems to work with it.
At present, because the components of the engine, especially the cylinder, the piston and the piston rod in the engine, have a friction relationship with each other and are easy to wear, the components need to be replaced frequently, which becomes a short plate of the service life of the engine, causes waste and reduces the service efficiency of the engine.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a graphite alkene pottery composite film engine solves current engine because cylinder, piston and piston rod have the problem that the relation of friction easily produces wearing and tearing each other.
(II) technical scheme
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model provides a graphite alkene pottery composite film engine, includes cylinder, piston and piston ring, reciprocating motion is established in the cylinder to the piston, the top of piston is equipped with a plurality of end to end connection's annular piston ring, and is a plurality of constitute cyclic annular air chamber in the piston ring, the inner wall of cylinder the piston with graphite alkene pottery composite film has all been plated to the piston ring.
Preferably, the graphene ceramic composite film is formed by infiltrating boron nitride and silicon nitride ceramics into the inner wall of the cylinder, the piston and the piston ring by 10-20 microns by adopting an ion chemical vapor deposition method, and forming the graphene ceramic composite film with the surface of 3-5 microns.
The piston is provided with a first pin hole, the upper end of the connecting rod is provided with a second pin hole matched with the first pin hole, and the piston is connected with the connecting rod through a piston pin inserted into the first pin hole and the second pin hole.
Wherein, preferably, a connecting bush is provided between the piston pin and the second pin hole.
Wherein, preferably, the two ends of the piston pin are provided with piston pin snap rings for fixing the piston pin.
Preferably, a connecting rod cover is connected to the lower end of the connecting rod, and a connecting rod shaft hole is formed between the lower end of the connecting rod and the connecting rod cover.
Preferably, a connecting rod bearing bush is arranged in the connecting rod shaft hole.
III) beneficial effects
The technical scheme provided by the utility model, compared with prior art, following beneficial effect has:
the utility model adopts the ion chemical vapor deposition method to lead the boron nitride and the silicon nitride ceramics to permeate into the inner wall of the cylinder, the piston and the piston ring by 10 to 20 microns and form a graphene ceramic composite film with 3 to 5 microns on the surface. The common metal engine is changed into a graphene ceramic composite film engine, the excellent characteristics of the graphene ceramic film are presented, the durability of the engine is improved by more than two times, the mechanical friction loss of the engine is reduced by more than 30%, and the dynamic property and the economical efficiency of the engine are greatly improved; the combustion discharge amount of hydrocarbon and carbon monoxide is reduced by 30-70%, and the environmental protection performance of the engine is obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other embodiments can be obtained according to the drawings without creative efforts;
fig. 1 is a schematic structural view of a piston connecting rod assembly in the present invention;
fig. 2 is an exploded view of the middle piston linkage of the present invention.
In the figure: 1. the piston comprises a piston, 2, a connecting rod, 3, an annular piston ring, 4, a first pin hole, 5, a second pin hole, 6, a piston pin, 7, a connecting bush, 8, a piston pin snap ring, 9, a connecting rod cover, 10, a connecting rod bearing bush, 11, a positioning sleeve and 12, a connecting rod bolt
Detailed Description
The technical solution of the present invention will be described clearly and completely below with reference to specific embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the embodiment provides a graphene ceramic composite film engine, which includes a cylinder (not shown in the figure), a piston 1 and a connecting rod 2, wherein the piston 1 is arranged in the cylinder for reciprocating motion, the top of the piston is provided with a plurality of end-to-end connected annular piston rings 3, the plurality of annular piston rings form an annular air chamber, and the inner wall of the cylinder, the piston and the piston rings are all plated with graphene ceramic composite films. The graphene ceramic composite film is formed by infiltrating boron nitride and silicon nitride ceramics into the inner wall of a cylinder, a piston and a piston ring by 10-20 microns by adopting an ion chemical vapor deposition method, and forming the graphene ceramic composite film with the diameter of 3-5 microns on the surface.
The plasma chemical vapor deposition technology is adopted, aiming at different materials, different working conditions and different purposes of each friction pair of the engine, boron nitride and silicon nitride ceramics are made to permeate into a workpiece of 10-20 microns in low-temperature environment below 240 ℃, and a ceramic film of 3-5 microns is formed on the surface. Then, the graphene is deposited on the surface of the ceramic, so that each friction pair of the engine presents the excellent characteristics of the graphene ceramic film, and the common metal engine is changed into a graphene ceramic composite film engine. The durability of the engine is improved by more than 2 times by utilizing the strength of 200 times higher than that of steel of graphene; the high-grade self-lubricating property of the graphite is utilized, so that the mechanical friction loss of the engine is reduced by more than 30%, and the dynamic property and the economical efficiency of the engine are greatly improved; by utilizing the oxygen storage and adsorption dissociation effects of the graphene hexagonal structure, the combustion emission of hydrocarbon and carbon monoxide is reduced by 30-70%, and the environmental protection of the engine is obviously improved.
Wherein, the piston is provided with a first pin hole 1, the upper end part of the connecting rod 2 is provided with a second pin hole 5 matched with the first pin hole 1, and the piston is connected with the connecting rod 2 through a piston pin 6 inserted into the first pin hole 1 and the second pin hole 5. A connecting bush 7 is provided between the piston pin 6 and the second pin hole 5. And piston pin snap rings 8 for fixing the piston pin 6 are arranged at two ends of the piston pin 6.
Wherein, the lower end of the connecting rod 2 is connected with a connecting rod cover 9, and a connecting rod shaft hole is formed between the lower end of the connecting rod 2 and the connecting rod cover 9. A connecting rod bearing bush 10 is arranged in the connecting rod shaft hole. The connecting rod cover 9 is provided with a positioning sleeve 11, the lower end part of the connecting rod is provided with a bolt hole, the lower end part of the connecting rod is connected with the connecting rod cover 9 through a connecting rod bolt 12, and the connecting rod bolt 12 penetrates through the bolt hole and is screwed into the positioning sleeve 11.
It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a graphite alkene ceramic composite film engine, includes cylinder, piston and piston ring, reciprocating motion in the cylinder is established to the piston, its characterized in that: the top of the piston is provided with a plurality of end-to-end connected annular piston rings, an annular air chamber is formed in the plurality of piston rings, and the inner wall of the air cylinder, the piston and the piston rings are all plated with graphene ceramic composite films.
2. The graphene ceramic composite thin film engine according to claim 1, characterized in that: the piston is provided with a first pin hole, the upper end of the connecting rod is provided with a second pin hole matched with the first pin hole, and the piston is connected with the connecting rod through a piston pin inserted into the first pin hole and the second pin hole.
3. The graphene ceramic composite thin film engine according to claim 2, characterized in that: and a connecting bush is arranged between the piston pin and the second pin hole.
4. The graphene ceramic composite thin film engine according to claim 2, characterized in that: and piston pin snap rings for fixing the piston pins are arranged at two ends of the piston pins.
5. The graphene ceramic composite thin film engine according to claim 2, characterized in that: the lower end of the connecting rod is connected with a connecting rod cover, and a connecting rod shaft hole is formed between the lower end of the connecting rod and the connecting rod cover.
6. The graphene ceramic composite thin film engine according to claim 5, characterized in that: and a connecting rod bearing bush is arranged in the connecting rod shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922448419.4U CN212958886U (en) | 2019-12-30 | 2019-12-30 | Graphene ceramic composite film engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922448419.4U CN212958886U (en) | 2019-12-30 | 2019-12-30 | Graphene ceramic composite film engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212958886U true CN212958886U (en) | 2021-04-13 |
Family
ID=75340411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922448419.4U Active CN212958886U (en) | 2019-12-30 | 2019-12-30 | Graphene ceramic composite film engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212958886U (en) |
-
2019
- 2019-12-30 CN CN201922448419.4U patent/CN212958886U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230925 Address after: 4266 Enterprise Development Service Center, Xiji Town, Tongzhou District, Beijing, 101100 Patentee after: Zhongke Aerospace Industry (Beijing) Group Co.,Ltd. Address before: 100089 no.2-78-307, 2nd floor, No.26 Houtun South Road, Haidian District, Beijing Patentee before: Falcon Aviation Technology Co.,Ltd. |