CN204627771U - A kind of modified model cylinder sleeve of engine - Google Patents
A kind of modified model cylinder sleeve of engine Download PDFInfo
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- CN204627771U CN204627771U CN201520315282.4U CN201520315282U CN204627771U CN 204627771 U CN204627771 U CN 204627771U CN 201520315282 U CN201520315282 U CN 201520315282U CN 204627771 U CN204627771 U CN 204627771U
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- pit
- liner body
- cylinder sleeve
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- Pistons, Piston Rings, And Cylinders (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model proposes a kind of modified model cylinder sleeve of engine, the inner side surface of liner body is laid with the pit of multiple rectangle; The opening of pit is less than the axial thickness of rectangular cross-section piston ring in liner body size axially.The utility model breaks through the structural form of traditional cylinder sleeve, and pit can reduce the area of contact of piston ring and liner body inner side surface, reduces frictional force therebetween; Pit can be used as the containing groove of accommodating lubricant oil, pit place place and periphery thereof all can have lubricant oil to distribute, the inner side surface of liner body easily forms oil film, reduces friction further, and the uniformity of oil film can guarantee that liner body inner side surface there will not be local friction's high temperature; Pit can be used as the containing groove of accommodating particle, can, by the various particle storages in liner body, avoid particle to carry out the wearing and tearing such as scratch to liner body etc.So, the utility model effectively can prevent Conventional contact wearing and tearing, abrasive wear and scuff wear, greatly increases the service life, and piston power exports efficiently smooth and easy.
Description
Technical field
The utility model relates to engine components field, is specifically related to a kind of modified model cylinder sleeve of engine.
Background technique
The inner side surface of cylinder sleeve of engine due to the effect by high-temperature high-pressure fuel gas, and with the piston contact of high-speed motion and be very easily subject to physical damage.The phenomenon of the physical damage of cylinder sleeve mainly comprises following several:
Conventional contact wearing and tearing (normal wear): Conventional contact wearing and tearing are that piston ring and cylinder sleeve of engine minute surface rub and cause, also referred to as fretting wear.The greatest wear position of cylinder sleeve of engine minute surface is the position of piston when top dead center near first ring, often forms an obvious step.Because in this position, piston ring is maximum to cylinder sleeve of engine minute surface pressure, adds that the temperature of engine cylinder set upper side is higher, the wear resistance of metal declines, and meanwhile, piston is zero in top dead center hourly velocity, oil film is then not easy to be formed, so the basifacial wearing and tearing of cylinder sleeve of engine mirror are also larger.
Abrasive wear: abrasive wear is more containing dust owing to sucking in air, or serious carbon distribution causes.Dust sucks from top, and carbon distribution is also formed on top, so cylinder sleeve of engine minute surface Upper wear is larger.Machine oil gets rid of from the bottom up, and hard particulate is affected by gravity effect, and thus the wearing and tearing of cylinder sleeve of engine bottom are more remarkable.The feature of abrasive wear be from cylinder sleeve of engine minute surface along piston movement direction uniform straight parallel wire pull vestige.
Scuff wear: the reason of scuff wear mainly produces when lack of lubrication.Piston and piston ring do high speed to-and-fro motion in cylinder sleeve of engine minute surface.Lack of lubrication, can not form oil film between working surface, and both rubbing surfaces just have extremely small part metals directly to contact, and the high heat in the local due to friction formation is fallen apart when not walking and accumulate to a certain extent and the two will be made melting adhered.Now, if oil film recovers in time, the effect of just capable of washing and cooling, makes these smallly melt partial exfoliation and not expand; If oil film recovers slow, melt just expansion, cause abnormal scuff wear in very large range occurs, that is usual so-called scuffing of cylinder bore.Scuff wear generally occurs in cylinder sleeve of engine minute surface top near first ring at top dead center position, the metal melting adhesion of local with the groove mark of uneven broken edge and fold.Pull-cylinder phenomena also easily occur in without break-in internal-combustion engine immediately loaded-up when produce.Because comparatively thick without the I. C. engine cylinder sleeve minute surface of break-in, oil film is not easily formed, and small Metal Contact often occurs for cylinder sleeve of engine minute surface and piston face high spot, causes scuff wear thus, even kills phenomenon.
Aforementioned all wearing and tearing all cause serious infringement to cylinder sleeve, greatly reduce the working life of cylinder sleeve, and such problems demand effectively solves.
Given this, inventor furthers investigate the problems referred to above, then has this case to produce.
Model utility content
The purpose of this utility model is to provide one effectively can prevent Conventional contact wearing and tearing, abrasive wear and scuff wear, greatly increase the service life, and piston power exports efficiently smooth and easy, practical modified model cylinder sleeve of engine.
In order to achieve the above object, the utility model adopts such technological scheme:
A kind of modified model cylinder sleeve of engine, comprise liner body, the inner side surface of described liner body is laid with the pit of multiple rectangle; The opening of described pit is less than the axial thickness of rectangular cross-section piston ring in described liner body size axially.
The axis being parallel of the side that two of above-mentioned pit are relative and above-mentioned liner body is arranged.
Above-mentioned pit is rectangular, and the axis being parallel of long limit and above-mentioned liner body is arranged.
The edge of opening of above-mentioned pit has chamfering.
Inner side surface at the bottom of the hole of above-mentioned pit forms level and smooth same cambered surface with inside sidewalls face, hole.
Comprise many group pit rows, multiple above-mentioned pit along above-mentioned liner body circumferential array is drawn together in described pit package; Many groups of described pit rows arrange along the parallel to an axis of described liner body.
Distance between adjacent above-mentioned pit row is less than the axial thickness of rectangular cross-section piston ring.
After adopting technique scheme, modified model cylinder sleeve of engine of the present utility model, break through the structural form of traditional cylinder sleeve, pit can reduce the area of contact of rectangular cross section piston ring (the flat ring of the rectangle for low speed engine) and liner body inner side surface, reduce frictional force therebetween, and then protect from the most direct anti-wear angle liner body and rectangular cross section piston ring, and it is efficiently smooth and easy that piston is run; Pit can be used as the containing groove of the lubricant oil such as accommodating machine oil, pit place place and periphery thereof all can have lubricant oil to distribute, the inner side surface of liner body is made easily to form oil film, wearing and tearing between further minimizing rectangular cross section piston ring and liner body, with the smooth and easy Effec-tive Function being beneficial to piston, and the uniformity of oil film can guarantee that liner body inner side surface there will not be local friction's high temperature, avoids scuff wear; Pit can be used as the containing groove of accommodating particle, can, by the various particle storages in liner body, avoid particle to carry out the wearing and tearing such as scratch to liner body etc.Compared with prior art, modified model cylinder sleeve of engine of the present utility model, it effectively can prevent Conventional contact wearing and tearing, abrasive wear and scuff wear, greatly increases the service life, and piston power exports efficiently smooth and easy, practical.
Further, the axis being parallel of the side that two of pit are relative and liner body is arranged, this structure can make to form rectangle raised line between adjacent pit, match with the moving direction of rectangular cross-section piston ring, on the basis reducing area of contact between rectangular cross-section piston ring and liner body, more be convenient to rectangular cross-section piston ring sliding axially along liner body, and then be more beneficial to the motion of piston.
Accompanying drawing explanation
Fig. 1 is part plan structural representation of the present utility model;
Fig. 2 is the broken section structural representation of the utility model using state.
In figure:
1-liner body 11-pit
110-rectangle raised line 111-chamfering
112-cheats end inner side surface 113-and cheats inside sidewalls face
10-pit is arranged
2-rectangular cross-section piston ring.
Embodiment
In order to explain the technical solution of the utility model further, be described in detail below by specific embodiment.
A kind of modified model cylinder sleeve of engine of the present utility model, as illustrated in fig. 1 and 2, comprises liner body 1.
The inner side surface of liner body 1 is laid with the pit 11 of multiple rectangle; The opening of pit 11 is less than the axial thickness of rectangular cross-section piston ring 2 in liner body 1 size axially.Like this, pit 11 can cover completely by rectangular cross-section piston ring 2 on axial thickness, still can play independent sealed effect, more can match with another rectangular cross-section piston ring 2 and realize effective hermetic seal, in esse oil ring (not shown) also can to carrying out certain hermetic seal; The cloth oil of the lubricant oil such as machine oil can be carried out on the inner side surface of liner body 1 when rectangular cross-section piston ring 2 matches move upward with oil ring, and parts of lubricating oil can be stored in pit 11, by the lubricant oil sucking-off stored in pit 11 or part can be scraped when rectangular cross-section piston ring 2 matches move downward with oil ring, the inner side surface making lubricant oil evenly be laid in liner body 1 forms oil film, no matter namely rectangular cross-section piston ring 2 matches with oil ring and moves upward or move downward the inner side surface that enough lubricant oil is distributed on liner body 1.In actual use, pit 11 can reduce the area of contact of rectangular cross section piston ring (the flat ring of the rectangle for low speed engine) 2 and liner body 1 inner side surface, reduce frictional force therebetween, and then protect from the most direct anti-wear angle liner body 1 and rectangular cross section piston ring 2, and it is efficiently smooth and easy that piston (not shown) is run; Pit 11 can be used as the containing groove of the lubricant oil such as accommodating machine oil, pit place place and periphery thereof all can have lubricant oil to distribute, the inner side surface of liner body 1 is made easily to form oil film, wearing and tearing between further minimizing rectangular cross section piston ring 2 and liner body 1, with the smooth and easy Effec-tive Function being beneficial to piston, and the uniformity of oil film can guarantee that liner body 1 inner side surface there will not be local friction's high temperature, avoids scuff wear; Pit 11 can be used as the containing groove of accommodating particle, can, by the various particle storages in liner body 1, avoid particle to carry out the wearing and tearing such as scratch to liner body 1 etc.
Preferably, the axis being parallel of two of pit 11 relative sides and liner body 1 is arranged.This structure can make to form rectangle raised line 110 between adjacent pit 11 and match with the moving direction of rectangular cross-section piston ring 2, on the basis reducing area of contact between rectangular cross-section piston ring 2 and liner body 1, more be convenient to rectangular cross-section piston ring 2 sliding axially along liner body 1, and then be more beneficial to the motion of piston.
In order to strengthen the effect forming rectangle raised line 110 between adjacent pit 11 and match with the moving direction of rectangular cross-section piston ring 2 further, preferably, pit 11 is rectangular, and the axis being parallel of long limit and liner body 1 is arranged.
In order to avoid rectangular cross section piston ring 2 and oil ring etc. to be hurt by the edge of pit 11 further, and do not hinder the motion of piston, preferably, the edge of opening of pit 11 has chamfering 111.In actual use, the edge of opening that rectangular cross section piston ring 2 and oil ring etc. can have a chamfering 111 at pit 11 is taken advantage of a situation and is slipped over.Chamfering 111 specifically can be rounded corner, and effect of taking advantage of a situation is more excellent.
Preferably, inner side surface 112 at the bottom of the hole of pit 11 forms level and smooth same cambered surface with inside sidewalls face 113, hole.Such structure can make the oil droplet of the lubricant oil such as machine oil be only freely be contained in pit 11 by effects such as absorption and surface tension, be formed into there being the circulation to substitute oil stream, guarantee the effectively fresh of lubricant oil, there will not be in remaining between certain face and face corner angle all the time and cannot flow out, because impure or corrosive goods confrontation liner body 1 cause corrosion to wait situation about damaging.
In order to reduce friction area and cloth oil more uniformly and effectively to rectangular cross section piston ring 2 and oil ring etc., preferably, comprise many group pit rows 10, pit row 10 comprises multiple pit 11 along liner body 1 circumferential array; Many groups pit row 10 arranges along the parallel to an axis of liner body 1.Namely the even proper alignment of pit 11 is on the inner side surface of liner body 1, the motion steady and smooth more of piston.
Preferably, the distance between adjacent pit row 10 is less than the axial thickness of rectangular cross-section piston ring 2.This structure can make rectangular cross section piston ring 2 for completely by one row pit arrange 10 time enter lower one deck pit row 10, can ensure that rectangular cross section piston ring 2 is corresponding with pit 11 all the time, ensure pit 11 act on validity.
Modified model cylinder sleeve of engine of the present utility model, the spacing etc. that the quantity of pit row pits, the quantity of pit row and adjacent pit are arranged all can be carried out adjusting and designing according to actual requirement; Hole end inner side surface also can carry out adjusting and designing according to actual requirement with the concrete form in inside sidewalls face, hole; The concrete form, size etc. of chamfering also can carry out adjusting and designing according to actual requirement; The concrete shape of pit, size, spacing, quantity and distribution form etc. all can be carried out adjusting and designing according to actual requirement, as also can be square; The main body of liner body is preferably existing structure, but can be cooperation the technical solution of the utility model and do adaptive structural adjustment.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable change or the modification of similar thinking to it, all should be considered as not departing from patent category of the present utility model.
Claims (7)
1. a modified model cylinder sleeve of engine, comprises liner body, it is characterized in that: the inner side surface of described liner body is laid with the pit of multiple rectangle; The opening of described pit is less than the axial thickness of rectangular cross-section piston ring in described liner body size axially.
2. a kind of modified model cylinder sleeve of engine according to claim 1, is characterized in that: the axis being parallel of the side that two of above-mentioned pit are relative and above-mentioned liner body is arranged.
3. a kind of modified model cylinder sleeve of engine according to claim 2, is characterized in that: above-mentioned pit is rectangular, and the axis being parallel of long limit and above-mentioned liner body is arranged.
4. a kind of modified model cylinder sleeve of engine according to any one of claim 1-3, is characterized in that: the edge of opening of above-mentioned pit has chamfering.
5. a kind of modified model cylinder sleeve of engine according to claim 4, is characterized in that: inner side surface at the bottom of the hole of above-mentioned pit forms level and smooth same cambered surface with inside sidewalls face, hole.
6. a kind of modified model cylinder sleeve of engine according to claim 5, is characterized in that: comprise many group pit rows, multiple above-mentioned pit along above-mentioned liner body circumferential array is drawn together in described pit package; Many groups of described pit rows arrange along the parallel to an axis of described liner body.
7. a kind of modified model cylinder sleeve of engine according to claim 6, is characterized in that: the distance between adjacent above-mentioned pit row is less than the axial thickness of rectangular cross-section piston ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315282.4U CN204627771U (en) | 2015-05-15 | 2015-05-15 | A kind of modified model cylinder sleeve of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315282.4U CN204627771U (en) | 2015-05-15 | 2015-05-15 | A kind of modified model cylinder sleeve of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627771U true CN204627771U (en) | 2015-09-09 |
Family
ID=54046809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520315282.4U Expired - Fee Related CN204627771U (en) | 2015-05-15 | 2015-05-15 | A kind of modified model cylinder sleeve of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204627771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240136A (en) * | 2015-11-23 | 2016-01-13 | 郝安阶 | Cylinder sleeve and combined sealing ring fitting same for use |
| CN105863871A (en) * | 2016-05-05 | 2016-08-17 | 江苏大学 | Internal combustion engine piston ring and internal combustion engine provided with piston ring |
-
2015
- 2015-05-15 CN CN201520315282.4U patent/CN204627771U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240136A (en) * | 2015-11-23 | 2016-01-13 | 郝安阶 | Cylinder sleeve and combined sealing ring fitting same for use |
| CN105240136B (en) * | 2015-11-23 | 2018-10-19 | 郝安阶 | A kind of cylinder jacket and its complex sealing ring being used cooperatively |
| CN105863871A (en) * | 2016-05-05 | 2016-08-17 | 江苏大学 | Internal combustion engine piston ring and internal combustion engine provided with piston ring |
| CN105863871B (en) * | 2016-05-05 | 2018-08-10 | 江苏大学 | A kind of internal-combustion engine piston ring and the internal combustion engine for being equipped with the piston ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20170515 |