CN107218152A - Compression ratio plug structure applied to diesel cetane-number measuring machine - Google Patents
Compression ratio plug structure applied to diesel cetane-number measuring machine Download PDFInfo
- Publication number
- CN107218152A CN107218152A CN201710625523.9A CN201710625523A CN107218152A CN 107218152 A CN107218152 A CN 107218152A CN 201710625523 A CN201710625523 A CN 201710625523A CN 107218152 A CN107218152 A CN 107218152A
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- China
- Prior art keywords
- compression ratio
- measuring machine
- main body
- ratio plug
- number measuring
- Prior art date
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 title claims abstract description 97
- 238000007906 compression Methods 0.000 title claims abstract description 97
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000007592 spray painting technique Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D15/00—Varying compression ratio
-
- 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
-
- 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
- F16J9/28—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction of non-metals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2829—Mixtures of fuels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention relates to a kind of compression ratio plug structure applied to diesel cetane-number measuring machine, comprising：Compression ratio plug main body, is thin-walled cup-like structure, and inside has a cavity；First annular rectangular channel, is arranged on compression ratio plug main body on the outer wall of bottom；O-ring seal, insertion is arranged in first annular rectangular channel；Two annular retaining rings, insertion is arranged in first annular rectangular channel, and is located at the both sides of O-ring seal respectively.Compact conformation of the present invention is compact, convenient for installation and maintenance；Using soft seal mode, sealing property is splendid so that precombustion chamber non smoke sprays, and ensures the safety and Health of operating personnel；Diesel cetane-number is set to determine the Cetane number of the precise and stable determination sample of function.
Description
Technical field
There is sealing and the compression ratio plug structure of Ratios function in Diesel engine the present invention relates to a kind of, specifically
Refer to a kind of compression ratio plug structure applied to diesel cetane-number measuring machine, with sealing, high temperature resistant, high voltage bearing feature.
Background technology
In the prior art, the compression ratio plug for diesel cetane-number measuring machine, is to use high temperature resistant, high voltage bearing tool
What flexible metal material was integrally formed, sealing and Ratios can be played a part of, be a kind of hard sealing means.
This compression ratio plug is very high to the requirement on machining accuracy of its own and the matched part used；In addition by
A large amount of smog are had when starting shooting and preheating to spray so that experiment indoor environment very severe, and need attendant to have when safeguarding
There is rich experience, for M R, there is also larger difficulty.Therefore, using the compression ratio of this structure
The diesel cetane-number measuring machine of plug, machine reaches that the time of necessary requirement operating mode is longer, and workload is big, while to a certain degree
Upper meeting operating environment of pollution, influences the health of operating personnel.
Based on above-mentioned, a kind of new compression ratio plug knot applied to diesel cetane-number measuring machine of proposition is needed badly at present
Structure, can solve the problem that defect present in prior art and limitation.
The content of the invention
It is an object of the invention to provide a kind of compression ratio plug structure applied to diesel cetane-number measuring machine, compact conformation
It is compact, it is convenient for installation and maintenance；Using soft seal mode, sealing property is splendid so that precombustion chamber non smoke sprays, and ensures operator
The safety and Health of member；Diesel cetane-number is set to determine the Cetane number of the precise and stable determination sample of function.
To achieve the above object, the present invention provides a kind of compression ratio plug structure applied to diesel cetane-number measuring machine,
Comprising：Compression ratio plug main body, is thin-walled cup-like structure, and inside has a cavity；First annular rectangular channel, is arranged on compression ratio plug
Main body is on the outer wall of bottom；O-ring seal, insertion is arranged in first annular rectangular channel；Two annular retaining rings, it is embedded
It is arranged in first annular rectangular channel, and is located at the both sides of O-ring seal respectively.
Described compression ratio plug main body is made of high temperature resistant elastic metallic material.
Described O-ring seal is high temperature resistant self-lubricating sealing ring, is made of high temperature resistant resilient nonmetallic material.
Described annular retaining ring is high temperature resistant self-lubricating back-up ring, is made of high temperature resistant resilient nonmetallic material.
The thickness of described annular retaining ring is less than the thickness of O-ring seal.
Further, compression ratio plug structure provided by the present invention, is also included：Some annular triangular grooves, are continuously disposed in pressure
On the outer wall contracted than filling in main body, and it is located at side of the first annular rectangular channel close to compression ratio plug main body bottom.
Compression ratio plug structure provided by the present invention, is also included：Some second annular rectangular channels, are continuously disposed in compression ratio
On the outer wall for filling in main body, and positioned at first annular rectangular channel close to the side at compression ratio plug body openings end, to compression ratio plug master
Body plays positioning action.
Compression ratio plug structure provided by the present invention, installed in the variable compression ratio cylinder head of diesel cetane-number measuring machine
Precombustion chamber in, compression ratio is changed by the transverse shifting of compression ratio plug main body, the installation deformation for passing through O-ring seal is realized
In transverse shifting to the sealing of precombustion chamber.
Further, compression ratio plug structure provided by the present invention, passes through the cavity and diesel fuel cetane of compression ratio plug main body
It is worth the adjustable compression ratio mechanism connection of the variable compression ratio cylinder head of measuring machine.
In the cavity of described compression ratio plug main body, it is disposed with by cavities open top to bottom：Internal thread, and can
The adjustable compression ratio mechanism connection of Ratios cylinder head；Gewindefreistiche；Thin-walled step, accommodates and places adjustable compression ratio mechanism
Expanding end.
In summary, the compression ratio plug structure applied to diesel cetane-number measuring machine that the present invention is provided, compact conformation,
Compact, it is convenient for installation and maintenance；Using soft seal mode, sealing property is splendid, quickly can seal precombustion chamber, smokeless spray painting
Go out, do not influence laboratory environment, ensured the safety and Health of operating personnel；So that diesel cetane-number measure function is precise and stable
Determination sample Cetane number.
Brief description of the drawings
Fig. 1 for the present invention in be applied to diesel cetane-number measuring machine compression ratio plug structure schematic diagram.
Embodiment
Below in conjunction with Fig. 1, a preferred embodiment of the present invention is described in detail.
As shown in figure 1, be the compression ratio plug structure provided by the present invention applied to diesel cetane-number measuring machine, bag
Contain：Compression ratio plug main body 1, is thin-walled cup-like structure, and inside has a cavity；First annular rectangular channel 15, is arranged on compression ratio
Main body 1 is filled on the outer wall of bottom；O-ring seal 3, insertion is arranged in first annular rectangular channel 15；Two annular retaining rings
2, insertion is arranged in first annular rectangular channel 15, and is located at the both sides of O-ring seal 3 respectively.
In the present embodiment, the wall thickness of described compression ratio plug main body 1 is 1~1.5mm.
Described compression ratio plug main body 1 is made of high temperature resistant elastic metallic material.
Described O-ring seal 3 is high temperature resistant self-lubricating sealing ring, is made of high temperature resistant resilient nonmetallic material, is
The primary sealing member of compression ratio plug structure, flexible, heat-resisting quantity and self lubricity.
Described annular retaining ring 2 is high temperature resistant self-lubricating back-up ring, is made, set respectively of high temperature resistant resilient nonmetallic material
Put in the left and right sides of O-ring seal 3, can reach the injury-free purpose of protection O-ring seal 3.
The thickness of described annular retaining ring 2 is less than the thickness of O-ring seal 3.
During actual installation, two annular retaining rings 2 are first arranged on to the first annular rectangular channel of compression ratio plug main body 1
In 15, then O-ring seal 3 is arranged in the first annular rectangular channel 15 of compression ratio plug main body 1, and positioned at two annular gears
Between circle 2.
Further, compression ratio plug structure provided by the present invention, is also included：Some annular triangular grooves 16, are continuously disposed in
On the outer wall of compression ratio plug main body 1, and positioned at first annular rectangular channel 15 close to the side of the bottom of compression ratio plug main body 1, as
First of sealing of whole compression ratio plug structure.
In the present embodiment, as shown in figure 1, setting three road rings near continuous at the position of bottom in compression ratio plug main body 1
Shape triangular groove 16, is sealed as first of whole compression ratio plug structure, and the annular being arranged in first annular rectangular channel 15
Sealing ring 3 and annular retaining ring 2 seal for the second of compression ratio plug structure, are also topmost sealing structure.
Compression ratio plug structure provided by the present invention, is also included：Some second annular rectangular channels 13, are continuously disposed in compression
On outer wall than filling in main body 1, and it is (i.e. some close to the side of the openend of compression ratio plug main body 1 positioned at first annular rectangular channel 15
Second annular rectangular channel 13 is arranged on the outer wall of the middle section position of compression ratio plug main body 1), positioning is played to compression ratio plug main body 1
Effect.
In the present embodiment, as shown in figure 1, continuous at the middle section position of compression ratio plug main body 1 set four the second annulars of road
Rectangular channel 13.
Compression ratio plug structure provided by the present invention, with high temperature resistant, high voltage bearing characteristic, installed in diesel cetane-number
In the precombustion chamber of the variable compression ratio cylinder head of measuring machine, (moved left and right or front and rear by the transverse shifting of compression ratio plug main body 1
It is mobile) play a part of changing compression ratio, realized by the installation deformation of O-ring seal 3 in transverse shifting to precombustion chamber
Sealing, and the O-ring seal 3 is protected in HTHP by being arranged on the annular retaining ring 2 of the left and right sides of O-ring seal 3
Do not sustained damage when lower mobile, so as to reach the pressure-maintaining and heat-preservation purpose to cylinder head precombustion chamber.
Further, compression ratio plug structure provided by the present invention, passes through the cavity and diesel fuel cetane of compression ratio plug main body 1
It is worth the adjustable compression ratio mechanism connection of the variable compression ratio cylinder head of measuring machine.
In the cavity of described compression ratio plug main body 1, it is disposed with by cavities open top to bottom：Internal thread 11,
Cavities open top is arranged on, is connected with the adjustable compression ratio mechanism of variable compression ratio cylinder head；Gewindefreistiche 12, is arranged on
Cavity middle part, is easy to the connection of adjustable compression ratio mechanism to install；Thin-walled step 14, is arranged on cavity bottom, accommodates and places
The expanding end of adjustable compression ratio mechanism.
In the present embodiment, the wall thickness of described thin-walled step 14 is 1~1.5mm.
In summary, the compression ratio plug structure applied to diesel cetane-number measuring machine that the present invention is provided, compact conformation,
Compact, it is convenient for installation and maintenance；Using soft seal mode, sealing property is splendid, quickly can seal precombustion chamber, smokeless spray painting
Go out, do not influence laboratory environment, ensured the safety and Health of operating personnel；So that diesel cetane-number measure function is precise and stable
Determination sample Cetane number.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of compression ratio plug structure applied to diesel cetane-number measuring machine, it is characterised in that include：
Compression ratio plug main body, is thin-walled cup-like structure, and inside has a cavity；
First annular rectangular channel, is arranged on compression ratio plug main body on the outer wall of bottom；
O-ring seal, insertion is arranged in first annular rectangular channel；
Two annular retaining rings, insertion is arranged in first annular rectangular channel, and is located at the both sides of O-ring seal respectively.
2. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 1, it is characterised in that described
Compression ratio plug main body be made of high temperature resistant elastic metallic material.
3. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 1, it is characterised in that described
O-ring seal be high temperature resistant self-lubricating sealing ring, be made of high temperature resistant resilient nonmetallic material.
4. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 1, it is characterised in that described
Annular retaining ring be high temperature resistant self-lubricating back-up ring, be made of high temperature resistant resilient nonmetallic material.
5. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 1, it is characterised in that described
Annular retaining ring thickness be less than O-ring seal thickness.
6. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 1, it is characterised in that also wrapped
Containing some annular triangular grooves, on the outer wall for being continuously disposed in compression ratio plug main body, and positioned at first annular rectangular channel close to compression
Than the side of plug main body bottom.
7. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 1, it is characterised in that also wrapped
Containing some second annular rectangular channels, on the outer wall for being continuously disposed in compression ratio plug main body, and it is close positioned at first annular rectangular channel
The side at compression ratio plug body openings end, positions compression ratio plug main body.
8. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 1, it is characterised in that installed
In the precombustion chamber of the variable compression ratio cylinder head of diesel cetane-number measuring machine, changed by the transverse shifting of compression ratio plug main body
Ratios, the sealing in transverse shifting to precombustion chamber is realized by the installation deformation of O-ring seal.
9. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 8, it is characterised in that passed through
The cavity of compression ratio plug main body is connected with the adjustable compression ratio mechanism of the variable compression ratio cylinder head of diesel cetane-number measuring machine.
10. the compression ratio plug structure of diesel cetane-number measuring machine is applied to as claimed in claim 9, it is characterised in that institute
In the cavity for the compression ratio plug main body stated, it is disposed with by cavities open top to bottom：
Internal thread, is connected with the adjustable compression ratio mechanism of variable compression ratio cylinder head；
Gewindefreistiche；
Thin-walled step, accommodates the expanding end for placing adjustable compression ratio mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625523.9A CN107218152A (en) | 2017-07-27 | 2017-07-27 | Compression ratio plug structure applied to diesel cetane-number measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625523.9A CN107218152A (en) | 2017-07-27 | 2017-07-27 | Compression ratio plug structure applied to diesel cetane-number measuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218152A true CN107218152A (en) | 2017-09-29 |
Family
ID=59954172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710625523.9A Pending CN107218152A (en) | 2017-07-27 | 2017-07-27 | Compression ratio plug structure applied to diesel cetane-number measuring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218152A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985001316A1 (en) * | 1983-09-23 | 1985-03-28 | Sonex Research Inc. | Dynamic variable compression ratio i.c. engine |
| DE10122469A1 (en) * | 2001-05-09 | 2002-11-14 | Eduard Frommherz | Internal combustion engine of variable compression houses cylinder and crankcase on tongue-and-grooved housing parts sliding relatively along angled line off power cylinder. |
| KR20050038963A (en) * | 2003-10-23 | 2005-04-29 | 현대자동차주식회사 | Compressing ring of piston |
| CN1745227A (en) * | 2003-01-02 | 2006-03-08 | 斯卡尔佐汽车研究股份有限公司 | Mechanism for internal combustion piston engines |
| US20070261663A1 (en) * | 2006-05-10 | 2007-11-15 | Warran Lineton | Thermal oxidation protective surface for steel pistons |
| CN105158446A (en) * | 2015-10-20 | 2015-12-16 | 北京瑞莱博石油技术有限公司 | High-temperature-resisting and high-pressure-resisting sealing piston, piston rod combination and thickened oil high-pressure texture analyzer |
| CN106382877A (en) * | 2016-12-09 | 2017-02-08 | 叶明� | Compression ratio measurement system applied to diesel fuel cetane number determination machine |
-
2017
- 2017-07-27 CN CN201710625523.9A patent/CN107218152A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985001316A1 (en) * | 1983-09-23 | 1985-03-28 | Sonex Research Inc. | Dynamic variable compression ratio i.c. engine |
| DE10122469A1 (en) * | 2001-05-09 | 2002-11-14 | Eduard Frommherz | Internal combustion engine of variable compression houses cylinder and crankcase on tongue-and-grooved housing parts sliding relatively along angled line off power cylinder. |
| CN1745227A (en) * | 2003-01-02 | 2006-03-08 | 斯卡尔佐汽车研究股份有限公司 | Mechanism for internal combustion piston engines |
| KR20050038963A (en) * | 2003-10-23 | 2005-04-29 | 현대자동차주식회사 | Compressing ring of piston |
| US20070261663A1 (en) * | 2006-05-10 | 2007-11-15 | Warran Lineton | Thermal oxidation protective surface for steel pistons |
| CN105158446A (en) * | 2015-10-20 | 2015-12-16 | 北京瑞莱博石油技术有限公司 | High-temperature-resisting and high-pressure-resisting sealing piston, piston rod combination and thickened oil high-pressure texture analyzer |
| CN106382877A (en) * | 2016-12-09 | 2017-02-08 | 叶明� | Compression ratio measurement system applied to diesel fuel cetane number determination machine |
Non-Patent Citations (1)
| Title |
|---|
| 牡丹江林业学校: "《液压与液力传动》", 北京：中国林业出版社, pages: 159 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170929 |