CN206592215U - A kind of cylinder sleeve of cylindrical acupuncture and aluminium-plated combination - Google Patents
A kind of cylinder sleeve of cylindrical acupuncture and aluminium-plated combination Download PDFInfo
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- CN206592215U CN206592215U CN201720143958.5U CN201720143958U CN206592215U CN 206592215 U CN206592215 U CN 206592215U CN 201720143958 U CN201720143958 U CN 201720143958U CN 206592215 U CN206592215 U CN 206592215U
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- acupuncture
- cylinder
- cylinder sleeve
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Abstract
A kind of cylinder sleeve of cylindrical acupuncture and aluminium-plated combination, is related to cylinder sleeve field, including liner body, and the periphery of the liner body includes the spray-coating surface positioned at upper end and the acupuncture face positioned at lower end, and the spray-coating surface is provided with the elliptical section for positioning cylinder.The outer surface of the cylinder sleeve includes acupuncture face and spray-coating surface, integrates aluminium-plated and acupuncture cylinder sleeve advantage, can reduce the distance between adjacent cylinder to greatest extent, improve product encapsulation, moreover it is possible to effectively improve pyroconductivity, reduce cylinder wall temperature, good bond strength is kept, cylinder body service life is improved.
Description
Technical field
The utility model is related to cylinder sleeve field, more particularly relates to the cylinder sleeve of a kind of cylindrical acupuncture and aluminium-plated combination.
Background technology
The die casting of aluminum cylinder engine refers to contact with cylinder sleeve in the aluminium liquid die casting of hot melt to mould, treats that it is cooled down, cylinder
Aluminium liquid with solidification is combined together by set, and this process needs cylinder sleeve external cylindrical surface to have what is be combined with the aluminium liquid of solidification
Structure.The form of the cylinder sleeve external cylindrical surface of current aluminum cylinder has as cast condition needle prick shape, shape of threads and aluminium-plated, wherein as cast condition needle prick shape most
The mushroom of many use projections, for reducing the problem of adhesion that thermal coefficient of expansion causes is poor, and aluminium-plated cylinder sleeve is to casting
Die casting mode there are certain requirements, the combination of this cylinder sleeve and cylinder body is more suitable for high-pressure casting mode, versatility is not strong,
There is the deficiency that cylinder centre line spacing is big, pyroconductivity is low.
Utility model content
The purpose of this utility model is the cylinder sleeve for providing a kind of cylindrical acupuncture and aluminium-plated combination, and the cylinder sleeve solves tradition
The problem of cylinder sleeve cylinder centre line spacing is big, pyroconductivity is low.
Technical problem to be solved in the utility model is realized using following technical scheme.
A kind of cylinder sleeve of cylindrical acupuncture and aluminium-plated combination, including liner body, the periphery of the liner body include position
Spray-coating surface in upper end and the acupuncture face positioned at lower end.
Further, the acupuncture face accounts for the 70%-90% of whole periphery area.
Further, the spray-coating surface is provided with the elliptical section for positioning cylinder.
Further, the bottom in the acupuncture face is provided with chamfering.
The beneficial effects of the utility model are：The outer surface of the cylinder sleeve includes acupuncture face and spray-coating surface, collects aluminium-plated and acupuncture
The advantage of cylinder sleeve, can reduce the distance between adjacent cylinder to greatest extent, improve product encapsulation, moreover it is possible to effectively improve hot biography
Conductance, reduces cylinder wall temperature, keeps good bond strength, improves cylinder body service life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing of elliptical section.
Embodiment
In order that technological means of the present utility model, creation characteristic, reached purpose and effect are easy to understand, tie below
Conjunction is specifically illustrating, and the utility model is expanded on further.
Shown in Fig. 1, Fig. 2, a kind of cylinder sleeve of cylindrical acupuncture and aluminium-plated combination, including liner body 1, liner body 1 it is outer
Disc upper end is that spray-coating surface 2, lower end are acupuncture face 3, and wherein acupuncture face 3 accounts for the 80% of whole periphery area.Liner body 1 leads to
The aluminium liquid for crossing the acupuncture being arranged on its external cylindrical surface and aluminium-plated cooperation solidification is connected with cylinder body.The spray-coating surface 2 includes ellipse
Portion 21, elliptical section 21 is used to position during cylinder casting, eliminates because causing when piston is moved in liner body 1 on liner body 1
The internal stress of lower play, spray-coating surface 2 can reduce the distance between adjacent cylinder to greatest extent, improve product encapsulation, moreover it is possible to effectively carry
High thermoconductivity, eliminates deformation force caused by thermal expansion, reduces cylinder wall temperature, improves cylinder body service life.While acupuncture face
3 use the projection needle prick shape of casting, and needle prick shape projection head depth enters in cylinder body, it is ensured that high-strength between liner body 1 and cylinder body
The adhesion of degree.The cylinder sleeve combines aluminium-plated technology and needling technique, effectively integrates respective advantage, remedies a drawback.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within the range of claimed the utility model.Scope is claimed in the utility model
By appended claims and its equivalent thereof.
Claims (4)
1. a kind of cylindrical acupuncture and the cylinder sleeve of aluminium-plated combination, including liner body (1), it is characterised in that：The liner body (1)
Periphery include positioned at upper end spray-coating surface (2) and the acupuncture face (3) positioned at lower end.
2. a kind of cylindrical acupuncture according to claim 1 and the cylinder sleeve of aluminium-plated combination, it is characterised in that：The acupuncture face
(3) 70%-90% of whole periphery area is accounted for.
3. a kind of cylindrical acupuncture according to claim 1 and the cylinder sleeve of aluminium-plated combination, it is characterised in that：The spray-coating surface
(2) it is provided with the elliptical section (20) for positioning cylinder.
4. a kind of cylindrical acupuncture according to claim 1 and the cylinder sleeve of aluminium-plated combination, it is characterised in that：The acupuncture face
(3) bottom is provided with chamfering (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143958.5U CN206592215U (en) | 2017-02-17 | 2017-02-17 | A kind of cylinder sleeve of cylindrical acupuncture and aluminium-plated combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143958.5U CN206592215U (en) | 2017-02-17 | 2017-02-17 | A kind of cylinder sleeve of cylindrical acupuncture and aluminium-plated combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592215U true CN206592215U (en) | 2017-10-27 |
Family
ID=60128385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720143958.5U Active CN206592215U (en) | 2017-02-17 | 2017-02-17 | A kind of cylinder sleeve of cylindrical acupuncture and aluminium-plated combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245520A (en) * | 2021-03-31 | 2021-08-13 | 安庆帝伯格茨缸套有限公司 | Production process of bearing bushing with needled surface |
-
2017
- 2017-02-17 CN CN201720143958.5U patent/CN206592215U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245520A (en) * | 2021-03-31 | 2021-08-13 | 安庆帝伯格茨缸套有限公司 | Production process of bearing bushing with needled surface |
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