CN206571587U - A kind of cylinder sleeve of diesel engine - Google Patents
A kind of cylinder sleeve of diesel engine Download PDFInfo
- Publication number
- CN206571587U CN206571587U CN201720270144.8U CN201720270144U CN206571587U CN 206571587 U CN206571587 U CN 206571587U CN 201720270144 U CN201720270144 U CN 201720270144U CN 206571587 U CN206571587 U CN 206571587U
- Authority
- CN
- China
- Prior art keywords
- burr
- cylinder sleeve
- wall section
- wall
- smooth
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of cylinder sleeve of diesel engine, including cylindric cylinder sleeve body, the inner wall smooth of the cylinder sleeve body, outer wall is divided into smooth wall section and burr wall section, and the external diameter of burr wall section correspondence cylinder sleeve body is more than the external diameter of smooth wall section correspondence cylinder sleeve body；Some burrs are distributed with the burr wall section raised, burr convex top is cambered surface, the raised height of burr is 3mm.The burr convex top is cambered surface, and the raised height of burr is 3mm, prevents burr raised and scratches cylinder block because of too sharp；Other burr convex top is cambered surface, and the contact area of relative increase liner body cylinder block, increase friction prevents burr projection from crossing quick-wearing.
Description
Technical field
The utility model is specifically related to a kind of cylinder sleeve of diesel engine.
Background technology
When diesel engine cylinder is enclosed on pistons work, the reciprocating motion to piston plays a part of to support and is oriented to.At present generally
Wall is all for hydraulically smooth surface inside and outside the cylinder sleeve used, and axial float does not occur in order to keep cylinder to be embedded in cylinder block, leads to
Normal way is：An annular groove is opened on cylinder sleeve or a boss, such as Chinese patent, Application No. is set：201410180444.8,
It is entitled：A kind of air cylinder sleeve of engine, discloses a kind of air cylinder sleeve of engine, including the cylindric cylinder jacket that outer wall is stepped
Body, the upper and lower ends of the outer wall on cylinder liner body top are provided with smooth wall, and if being provided between two wall
Dry bar annular groove, annular groove every band by separating, and the maximum outside diameter every band is less than the external diameter on the cylinder liner body top.By vapour
Cylinder sleeve is cast in cylinder block in the lump in cylinder block casting, but is due to that cylinder sleeve is to use different gold from cylinder block
Category is made, and different thermal expansion metal coefficients is different, the easy shape in joint portion between cylinder sleeve and cylinder block in heated or cooling
Into gap, although there are an annular groove or boss for preventing axial float in its joint portion, but the surface combined with cylinder block by cylinder sleeve
Smooth, the gap that it is formed is neatly obvious, is thus easily caused between cylinder sleeve and cylinder block and loosens, so as to influence gasoline
The normal work of machine.For the problem, existing cylinder sleeve is improved, and sets burr on the outer wall of cylinder sleeve, but mesh
Preceding burr is spininess, easily scratches cylinder block, and spiny burr is easy to wear.
The content of the invention
The purpose of this utility model is to provide a kind of cylinder sleeve of diesel engine, solved on cylinder sleeve outer wall in the prior art
Burr easily scratches cylinder block, and spiny burr technical problem easy to wear.
Originally it is to adopt the following technical scheme that diligently to solve the technical problem：
A kind of cylinder sleeve of diesel engine, including cylindric cylinder sleeve body, the inner wall smooth of the cylinder sleeve body, outer wall
It is divided into smooth wall section and burr wall section, the external diameter of burr wall section correspondence cylinder sleeve body is more than smooth wall section correspondence cylinder sleeve body
External diameter；Some burrs are distributed with the burr wall section raised, burr convex top is cambered surface, the raised height of burr is
3mm。
The cylinder sleeve body outer wall burr wall section, burr projects through the burr of centrifugal casting formation, in irregular
State is distributed in cylinder sleeve body outer wall, after these irregular burrs are embedded in cylinder block, even in cylinder sleeve and cylinder
Body is different different with thermal coefficient of expansion because of metal material, when causing heated or difference that is cooling down, between cylinder sleeve and cylinder block
Joint portion will not form neat obvious gap, neat bright so as to eliminate the appearance of the joint portion between cylinder sleeve and cylinder block
Aobvious gap, prevents cylinder sleeve from being loosened in cylinder block.The burr convex top is cambered surface, and the raised height of burr is
3mm, prevents burr raised and scratches cylinder block because of too sharp；Other burr convex top is cambered surface, relative increase cylinder sleeve sheet
The contact area of body cylinder block, increase friction prevents burr projection from crossing quick-wearing.
Further improve, the liner body outer wall glazing slide wall section and burr wall section are one section, the face of burr wall section
Product is twice of smooth wall section area.
Further improve, Duan Weisan section of the liner body outer wall glazing slide wall, burr wall section are two sections, smooth wall section with
Burr wall section arranged for interval, each several part area ratio of smooth wall section and burr wall section is 1 from top to bottom:3:1:2:7.Multistage is set
Burr wall section, equivalent to multistage retainer ring is set, improves the resistance to overturning of cylinder sleeve and cylinder block, further prevents both from sending out
It is raw to rock relatively；Meanwhile, the smooth wall section set of middle part is annular groove, the relevant position casting annular protrusion in cylinder block
Portion, annular groove is engaged with annular protrusion, the intensity of the axially position between enhancing cylinder sleeve and cylinder block, is further prevented
Axial float between cylinder sleeve and cylinder block.
Further improve, the inwall of the cylinder sleeve body is provided at both ends with chamfering, be easy to matching somebody with somebody for cylinder sleeve and cylinder block
Close and install.
The utility model has the advantages that：Cylinder sleeve body outer wall burr wall section, burr project through from
The heart casts the burr to be formed, and cylinder sleeve body outer wall is distributed in irregular status, when these irregular burrs are embedded in vapour
After in cylinder body, even in cylinder sleeve with cylinder block because metal material is different different with thermal coefficient of expansion, cause heated or cooling
During difference, the joint portion between cylinder sleeve and cylinder block will not form neat obvious gap, so as to eliminate cylinder sleeve with
There is neat obvious gap in joint portion between cylinder block, prevents cylinder sleeve from being loosened in cylinder block.The burr is convex
It is cambered surface to play top, and the raised height of burr is 3mm, prevents burr raised and scratches cylinder block because of too sharp；Other burr
Convex top is cambered surface, the contact area of relative increase liner body cylinder block, and increase friction prevents the raised too fast mill of burr
Damage.
Brief description of the drawings
Fig. 1 be embodiment one in cylinder sleeve structural representation.
Fig. 2 be embodiment two in cylinder sleeve structural representation.
Embodiment
In order to more fully understand the utility model, content of the present utility model is further explained with reference to embodiment, but
Content of the present utility model is not limited solely to the following examples.
Embodiment one：
As shown in figure 1, a kind of cylinder sleeve of diesel engine, including cylindric cylinder sleeve body 1, the cylinder sleeve body it is interior
Wall is smooth, and outer wall is divided into smooth wall section 12 and burr wall section 11, and the external diameter of burr wall 12 corresponding cylinder sleeve bodies of section is more than smooth
The external diameter of wall 11 corresponding cylinder sleeve bodies of section；Some burr projections 13 are distributed with the burr wall section 12, burr projection 13 is pushed up
Portion is cambered surface, and the height of burr projection 13 is 3mm.
The cylinder sleeve body outer wall burr wall section, the burr that burr projection 13 is formed by centrifugal casting, in irregular
State is distributed in cylinder sleeve body outer wall, after these irregular burrs are embedded in cylinder block, even in cylinder sleeve and vapour
Cylinder body is different different with thermal coefficient of expansion because of metal material, when causing heated or difference that is cooling down, between cylinder sleeve and cylinder block
Joint portion will not form neat obvious gap, so as to eliminate the joint portion between cylinder sleeve and cylinder block occur it is neat
Obvious gap, prevents cylinder sleeve from being loosened in cylinder block.The top of burr projection 13 is cambered surface, the raised height of burr
Spend for 3mm, prevent burr projection 13 because of too sharp and scratch cylinder block；Other burr convex top is cambered surface, relative increase
The contact area of liner body cylinder block, increase friction prevents burr projection from crossing quick-wearing.
In the present embodiment, the outer wall glazing slide wall section 11 of liner body 1 and burr wall section 12 are one section, burr wall
The area of section 12 is twice of smooth wall 11 areas of section.
In the present embodiment, the inwall of the cylinder sleeve body is provided at both ends with chamfering, is easy to cylinder sleeve and cylinder block
Coordinate and install.
Embodiment two：
As shown in Fig. 2 the outer wall glazing slide wall section 11 of the liner body 1 is three sections, burr wall section 12 is two sections, smooth wall
Section and burr wall section arranged for interval, from top to bottom the 111, first burr of respectively the first smooth wall section wall the 121, second smooth wall of section
The each several part area ratio of section the 112, second burr wall section 122 and the second smooth wall section 113, smooth wall section and burr wall section is 1:3:
1:2:7.Multistage burr wall section is set, equivalent to multistage retainer ring is set, the resistance to overturning of cylinder sleeve and cylinder block is improved, enters
One step prevents both from occurring relative rock；Meanwhile, the smooth wall section set of middle part is annular groove, the relevant position in cylinder block
Annular protrusion is cast, annular groove is engaged with annular protrusion, strengthen the strong of axially position between cylinder sleeve and cylinder block
Degree, further prevents the axial float between cylinder sleeve and cylinder block.
Do not done in the utility model illustrate be prior art or can be achieved by prior art, Er Qieben
It is only preferable case study on implementation of the present utility model that case is embodied described in utility model, not for limiting this practicality
New practical range.The equivalent changes and modifications that i.e. all contents according to present utility model application the scope of the claims are made, should all make
For technology category of the present utility model.
Claims (4)
1. a kind of cylinder sleeve of diesel engine, it is characterised in that including cylindric cylinder sleeve body, the inwall of the cylinder sleeve body
Smooth, outer wall is divided into smooth wall section and burr wall section, and the external diameter of burr wall section correspondence cylinder sleeve body is more than smooth wall section correspondence
The external diameter of cylinder sleeve body；Some burrs are distributed with the burr wall section raised, burr convex top is cambered surface, burr projection
Height be 3mm.
2. the cylinder sleeve of diesel engine according to claim 1, it is characterised in that the liner body outer wall glazing slide wall section
It it is one section with burr wall section, the area of burr wall section is twice of smooth wall section area.
3. the cylinder sleeve of diesel engine according to claim 1, it is characterised in that the liner body outer wall glazing slide wall section
For three sections, burr wall section be two sections, smooth wall section and burr wall section arranged for interval, from top to bottom smooth wall section and burr wall section
Each several part area ratio is 1:3:1:2:7.
4. the cylinder sleeve of the diesel engine according to any one of claim 1-3, it is characterised in that the cylinder sleeve body
Inwall is provided at both ends with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270144.8U CN206571587U (en) | 2017-03-20 | 2017-03-20 | A kind of cylinder sleeve of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270144.8U CN206571587U (en) | 2017-03-20 | 2017-03-20 | A kind of cylinder sleeve of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571587U true CN206571587U (en) | 2017-10-20 |
Family
ID=60054829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720270144.8U Expired - Fee Related CN206571587U (en) | 2017-03-20 | 2017-03-20 | A kind of cylinder sleeve of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571587U (en) |
-
2017
- 2017-03-20 CN CN201720270144.8U patent/CN206571587U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171020 Termination date: 20200320 |