CN106438083A - Cylinder sleeve of diesel engine - Google Patents
Cylinder sleeve of diesel engine Download PDFInfo
- Publication number
- CN106438083A CN106438083A CN201611120562.5A CN201611120562A CN106438083A CN 106438083 A CN106438083 A CN 106438083A CN 201611120562 A CN201611120562 A CN 201611120562A CN 106438083 A CN106438083 A CN 106438083A
- Authority
- CN
- China
- Prior art keywords
- piston
- inner groove
- cylinder sleeve
- diesel engine
- chamfering
- 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
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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/004—Cylinder liners
-
- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F2001/006—Cylinders; Cylinder heads having a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a cylinder sleeve of a diesel engine. The cylinder sleeve comprises a cylinder sleeve body, wherein an inner annular groove is formed in the inner wall of the cylinder sleeve body; the inner annular groove is positioned in the top position of the cylinder sleeve body; the position of the inner annular groove is higher than the position of a first piston ring when a piston moves to the top dead center; the inner annular groove has an upper chamfer and a lower chamfer; and the chamfer angle of the lower chamfer is larger than the chamfer angle of the upper chamfer. According to the cylinder sleeve, the defects that the engine oil consumption is high, carbon deposition at the head part of the piston is severe, the piston ring is blocked, and the engine oil consumption is slightly high due to the fact that engine oil moves upwards along with the piston, enters a combustion chamber and is burnt can be overcome.
Description
Technical field
The present invention relates to cylinder jacket field, more particularly to a kind of cylinder jacket of diesel engine.
Background technology
Cylinder jacket is a cylindrical component, and piston is reciprocating in cylinder cover inner hole.The cylinder that conventional art is adopted
Set, a part of machine oil enters combustion chambers burn with piston stroking upward, causes machine oil to be lost.And engine piston easily produces product
Carbon, particularly piston crown carbon distribution are serious, cause piston ring sticking, cause engine oil consumption higher.
The information for being disclosed in the background section is merely intended to increase the understanding of the general background to the present invention, and should not
Recognize or imply in any form prior art of the information structure well known to persons skilled in the art when being considered.
Content of the invention
It is an object of the invention to provide a kind of cylinder jacket of diesel engine, overcomes machine oil to enter combustor combustion with piston stroking upward
Burn, cause machine oil loss big, and piston crown carbon distribution is serious, causes piston ring sticking, causes the shortcoming that engine oil consumption is higher.
For achieving the above object, the invention provides a kind of cylinder jacket of diesel engine, including cylinder liner body, cylinder jacket sheet
Inner groove is provided with the inwall of body, inner groove is located at the tip position of cylinder liner body, the position of inner groove is transported higher than piston
The position of row to top piston ring during top dead centre, inner groove has upper chamfering and lower chamfering, and the chamfering length of lower chamfering is more than
The chamfering length of upper chamfering.
Preferably, the height≤2mm of inner groove, depth≤2mm.
Preferably, the position of inner groove to piston run to the distance of the position of top piston ring during top dead centre >=
4.5mm.
Compared with prior art, the present invention has the advantages that：Internal near tip position in cylinder jacket of diesel engine
Inner groove is provided with, inner groove is provided with chamfering and lower chamfering, it is ensured that the reciprocating piston of not scratch.Meanwhile, inner groove
Can effectively prevent the machine oil of cylinder liner internal wall that combustor is entered, reduce engine oil consumption and then piston crown carbon distribution can be effectively removed, keep away
Exempting from piston ring sticking to be effectively caused due to piston crown carbon distribution, cause engine oil consumption higher, improves the life-span of diesel engine and whole machine
Reliability.
Description of the drawings
Fig. 1 is the front view of the cylinder jacket of the diesel engine according to the present invention.
Fig. 2 is the local I zoomed-in view of the cylinder jacket of the diesel engine according to the present invention.
Fig. 3 is the installation diagram of the cylinder jacket with piston of the diesel engine according to the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change
Change such as "comprising" or " including " etc. and stated element or ingredient is will be understood to comprise, and do not exclude other units
Part or other ingredients.
As shown in Figure 1 to Figure 3, according to a kind of cylinder jacket of diesel engine of the specific embodiment of the invention, including cylinder jacket
Body 1, is provided with inner groove 2 on the inwall of cylinder liner body 1, inner groove 2 is located at the tip position of cylinder liner body 1, internal ring
The position of groove 2 is run to the position of top piston ring during top dead centre 4 higher than piston 3, inner groove 2 with upper chamfering 21 and lower fall
Angle 22, the chamfering length of lower chamfering 22 is more than the chamfering length of upper chamfering 21.
In such scheme, on 1 inwall of cylinder liner body, be provided with inner groove 2, inner groove 2 be provided with chamfering 21 and lower fall
Angle 22, piston 3 is moved back and forth in cylinder liner body 1, the upper chamfering 21 of setting and lower chamfering 22 on inner groove 2, it is ensured that piston 3
In uplink and downlink, 3 surface of not scratch piston.Inner groove 2 is located at the tip position of cylinder liner body 1, and its position is higher than work
Plug 3 is run to top piston ring during top dead centre 4, it is preferable that with the distance of the top piston ring 4 of top dead center position >=
4.5mm, it is ensured that the sealing of cylinder jacket and piston ring.In the middle of present embodiment, when piston 3 goes upward to inner groove 2, inner groove 2
Most of with the up machine oil of piston 3, the excessive machine oil entrance combustion chambers burn of prevention can be retained, reduces the effect of engine oil consumption
Really.Meanwhile, lower chamfering 22 is more than upper chamfering 21, is conducive to machine oil to flow back.So, piston 3 is moved back and forth in cylinder liner body 1
During, inner groove 2 can effectively remove piston crown carbon distribution, it is to avoid as piston crown carbon distribution effectively causes piston ring sticking,
Cause engine oil consumption higher, improve life-span and the whole aircraft reliability of diesel engine.
As a kind of preferred embodiment, 2 height≤2mm of cylinder jacket annular groove, depth≤2mm.
Used as a kind of preferred embodiment, position to the piston of inner groove is run to the position of top piston ring during top dead centre
Distance >=4.5mm.
To sum up, the cylinder jacket of the diesel engine of the present embodiment, in the internal close tip position of cylinder jacket of diesel engine is provided with
Annular groove 2, inner groove 2 is provided with chamfering and lower chamfering, it is ensured that the reciprocating piston of not scratch.Meanwhile, inner groove 2 can be effective
Prevent the machine oil of cylinder liner internal wall that combustor is entered, reduce engine oil consumption and then can effectively remove piston crown carbon distribution, it is to avoid due to
Piston crown carbon distribution effectively causes piston ring sticking, causes engine oil consumption higher, improves life-span and the whole aircraft reliability of diesel engine.
The cylinder jacket is on the basis of the cylinder jacket of prior art, and inwall processes an annular groove, you can effectively prevent excessive machine oil from entering combustion
Burn room and prevent piston crown carbon distribution.Without original cylinder jacket basic structure is changed, processing technique is simple, low cost, it is easy to
Large-scale production.
The description of the aforementioned specific illustrative embodiment to the present invention illustrate that and illustration purpose.These descriptions
It is not wishing to disclosed precise forms are limited the invention to, and it will be apparent that according to above-mentioned teaching, much can be changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and a variety of exemplary using the present invention and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (3)
1. a kind of cylinder jacket of diesel engine, including cylinder liner body, it is characterised in that arrange on the inwall of the cylinder liner body
There is inner groove, the inner groove is located at the tip position of the cylinder liner body, the position of the inner groove is run higher than piston
To the position of top piston ring during top dead centre, the inner groove has upper chamfering and lower chamfering, and the chamfering of the lower chamfering is long
Degree is more than the chamfering length of the upper chamfering.
2. the cylinder jacket of diesel engine according to claim 1, it is characterised in that the height≤2mm of the inner groove, depth
≤2mm.
3. the cylinder jacket of diesel engine according to claim 1, it is characterised in that the position of the inner groove to piston is run
Distance >=4.5mm to the position of top piston ring during top dead centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120562.5A CN106438083A (en) | 2016-12-08 | 2016-12-08 | Cylinder sleeve of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120562.5A CN106438083A (en) | 2016-12-08 | 2016-12-08 | Cylinder sleeve of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438083A true CN106438083A (en) | 2017-02-22 |
Family
ID=58217797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611120562.5A Pending CN106438083A (en) | 2016-12-08 | 2016-12-08 | Cylinder sleeve of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4144979A1 (en) * | 2021-09-03 | 2023-03-08 | DEUTZ Aktiengesellschaft | Combustion engine with an element on the inner wall of a cylinder for scraping carbon residues |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201651290U (en) * | 2010-01-08 | 2010-11-24 | 泉州特库克汽车零部件有限公司 | Improved piston cylinder sleeve |
| CN201991633U (en) * | 2011-02-01 | 2011-09-28 | 浙江银鑫工贸有限公司 | Novel cylinder jacket |
| CN202914194U (en) * | 2012-11-20 | 2013-05-01 | 浙江一铭机车部件有限公司 | Cylinder sleeve |
| CN103696865A (en) * | 2013-12-04 | 2014-04-02 | 天津大学 | Structural device capable of quickly removing and installing engine combustor windows |
| CN103742281A (en) * | 2013-12-31 | 2014-04-23 | 广西玉柴机器股份有限公司 | High-speed marine diesel cylinder sleeve support structure |
| CN203702353U (en) * | 2014-02-21 | 2014-07-09 | 福建龙生机械有限公司 | High strength composite cast iron cylinder liner |
| CN104781530A (en) * | 2012-09-25 | 2015-07-15 | Avl里斯脱有限公司 | Internal combustion engine having a cylinder head which is configured jointly for a plurality of cylinders |
| CN204511677U (en) * | 2014-02-10 | 2015-07-29 | 卡特彼勒能源方案有限公司 | The scraper rings of cylinder sleeve, cylinder sleeve, the piston-cylinder unit of internal-combustion engine and internal-combustion engine |
| CN206234009U (en) * | 2016-12-08 | 2017-06-09 | 广西玉柴机器股份有限公司 | The cylinder jacket of diesel engine |
-
2016
- 2016-12-08 CN CN201611120562.5A patent/CN106438083A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201651290U (en) * | 2010-01-08 | 2010-11-24 | 泉州特库克汽车零部件有限公司 | Improved piston cylinder sleeve |
| CN201991633U (en) * | 2011-02-01 | 2011-09-28 | 浙江银鑫工贸有限公司 | Novel cylinder jacket |
| CN104781530A (en) * | 2012-09-25 | 2015-07-15 | Avl里斯脱有限公司 | Internal combustion engine having a cylinder head which is configured jointly for a plurality of cylinders |
| CN202914194U (en) * | 2012-11-20 | 2013-05-01 | 浙江一铭机车部件有限公司 | Cylinder sleeve |
| CN103696865A (en) * | 2013-12-04 | 2014-04-02 | 天津大学 | Structural device capable of quickly removing and installing engine combustor windows |
| CN103742281A (en) * | 2013-12-31 | 2014-04-23 | 广西玉柴机器股份有限公司 | High-speed marine diesel cylinder sleeve support structure |
| CN204511677U (en) * | 2014-02-10 | 2015-07-29 | 卡特彼勒能源方案有限公司 | The scraper rings of cylinder sleeve, cylinder sleeve, the piston-cylinder unit of internal-combustion engine and internal-combustion engine |
| CN203702353U (en) * | 2014-02-21 | 2014-07-09 | 福建龙生机械有限公司 | High strength composite cast iron cylinder liner |
| CN206234009U (en) * | 2016-12-08 | 2017-06-09 | 广西玉柴机器股份有限公司 | The cylinder jacket of diesel engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4144979A1 (en) * | 2021-09-03 | 2023-03-08 | DEUTZ Aktiengesellschaft | Combustion engine with an element on the inner wall of a cylinder for scraping carbon residues |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
| RJ01 | Rejection of invention patent application after publication |