CN206111361U - Wet -type engine cylinder cover - Google Patents
Wet -type engine cylinder cover Download PDFInfo
- Publication number
- CN206111361U CN206111361U CN201620665502.0U CN201620665502U CN206111361U CN 206111361 U CN206111361 U CN 206111361U CN 201620665502 U CN201620665502 U CN 201620665502U CN 206111361 U CN206111361 U CN 206111361U
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- China
- Prior art keywords
- liner body
- cylinder liner
- cylinder
- fin
- wet
- 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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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a wet -type engine cylinder cover, break through the structural form of traditional cylinder liner, spiral helicine support fin at first can have the effect of waling to the cylinder liner body, consolidate the cylinder liner body, avoid thin cylinder liner body to take place to warp, especially, it takes place to be out of shape to avoid the cylinder liner body to do the time spent at the contact force that receives cylinderpiston reciprocating motion and high -temperature combustion gas's swelling pressure etc, thereby prevent cylinderpiston movement accuracy from reducing even severe deformation gradually along with live time extension and the condition of unable work takes place, and support the fin and can show the surface area that increase cylinder liner body outer peripheral face, enlarge and the area of contact of coolant liquid, and then effectively strengthen the heat dispersion of cylinder liner body. Compared with the prior art, the utility model discloses a wet -type engine cylinder cover, the high non -deformable of its intensity, life prolongs greatly, and heat dispersion is showing and is improving moreover, and the practicality is strong.
Description
Technical field
This utility model is related to engine components field, and in particular to a kind of wet type cylinder sleeve of engine.
Background technology
The structure of cylinder has been known, and its form substantially has three kinds：Depletion of QI cylinder sleeve type cylinder, wet type cylinder and dry type gas
Cylinder.
The body of depletion of QI cylinder sleeve type cylinder does not inlay the body of any cylinder jacket, and cylinder is directly processed on body,
Advantage can be shortening bore spacing, reduce cabinet size and quality.But it is relatively costly.
The cylinder jacket outer peripheral face of wet type cylinder and coolant directly contact, isolate coolant and cylinder work by cylinder sleeve completely
Make room, using upper and lower locating ring band radial positioning is realized, axially position is propped up by cylinder jacket upper flange and body top are corresponding
Bearing surface coordinates to be realized.The advantage of wet liner is the water jacket being not closed in cylinder block, easily casting, and wet liner leads to
Chang Bihou can accomplish 5-8mm, conducting heat, cooling effect also preferably, Temperature Distribution is than on the basis of more uniform, it may have enough
Intensity, and repair convenient, it is not necessary to electromotor is pulled down with regard to replaceable cylinder jacket from automobile.Have the disadvantage that integral rigidity is poor,
Easily leak.
The cylinder jacket of dry cylinder is not contacted with coolant, and wall thickness is 2-3mm, outer surface and cylinder jacket seat bearing bore inner surface
Must polish, with ensure necessary bit-type precision and be easy to dismounting.In order to obtain enough real contact areas and between cylinder body,
Ensure that the radiating of cylinder sleeve and the inner surface of positioning, the outer surface of cylinder sleeve and the cylinder block bearing bore coordinated with it have certain processing
Precision, the two typically adopts interference fit.The advantage of dry liner is that body rigidity is big, and bore spacing is little, light weight, plus
Work process is simple.Have the disadvantage that heat transfer is poor, temperature distributing disproportionation is even, is susceptible to local deformation.
The application of wet type cylinder and dry cylinder is wide, but no matter wet type cylinder or dry cylinder are actually used
During, all there is the situation that radiating is bad and intensity is not enough, especially the outer peripheral face radiating position of the cylinder jacket of wet type cylinder
There are no auxiliary support apparatus, cylinder jacket is being expanded by the reciprocating contact pressure of cylinder piston and high-temperature combustion gas
Pressure etc. easily deforms when acting on, and is gradually lowered very as use time extends so as to there is cylinder piston kinematic accuracy
Lead to not the situation of work to gross distortion, have a strong impact on and normally use, practicality has much room for improvement.
In consideration of it, inventor furthers investigate to the problems referred to above, there is this case to produce then.
Utility model content
The purpose of this utility model is to provide a kind of high strength and deformation, and service life is greatly prolonged, and is radiated
Performance is significantly improved, practical wet type cylinder sleeve of engine.
In order to achieve the above object, this utility model adopts such technical scheme：
A kind of wet type cylinder sleeve of engine, including liner body, the outer peripheral face of the liner body is being contacted with coolant
Position is formed with small diameter part, and the spiral helicine support that the bottom of the small diameter part is formed with from top to bottom around liner body is radiated
Piece.
It is described to support the cross section of fin downward-sloping to end by root, and be 5-25 ° with the angle of horizontal plane.
It is described support fin cross section be by end to root gradually broaden it is trapezoidal.
After using above-mentioned technical proposal, wet type cylinder sleeve of engine of the present utility model breaks through the structural form of traditional cylinder sleeve,
Spiral helicine support fin can be waled first to liner body, liner body be reinforced, it is to avoid relatively thin
Liner body deforms, and especially avoids liner body by the reciprocating contact pressure of cylinder piston and high-temp combustion
Bulbs of pressure of gas etc. act on when deform, so as to prevent cylinder piston kinematic accuracy with use time extend and gradually
The situation that reduce even gross distortion and cannot work occurs；And support fin to significantly increase liner body outer peripheral face
Surface area, expands the contact area with coolant, and then the effectively heat dispersion of enhancing liner body, and greatly prolonging electromotor makes
Use the life-span.Compared with prior art, wet type cylinder sleeve of engine of the present utility model, its high strength and deformation, service life is big
Extend greatly, and heat dispersion is significantly improved, it is practical.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the broken section structural representation of this utility model use state.
In figure：
1- liner body 11- small diameter parts
2- supports fin 21- rounded corners.
Specific embodiment
In order to the technical solution of the utility model is explained further, it is described in detail below by specific embodiment.
A kind of wet type cylinder sleeve of engine of the present utility model, as illustrated in fig. 1 and 2, including liner body 1.
The outer peripheral face of liner body 1 is formed with small diameter part 11, the bottom shape of small diameter part 11 at the position contacted with coolant
Into the spiral helicine support fin 2 for having circular liner body 1 from top to bottom.This utility model in actual use, spiral shell
The fin 2 that supports of rotation shape can be waled first to liner body 1, liner body 1 be reinforced, it is to avoid relatively thin
Liner body 1 deforms, and especially avoids liner body 1 by the reciprocating contact of cylinder piston (not shown)
Bulbs of pressure of pressure and high-temperature combustion gas etc. deform when acting on, so as to prevent cylinder piston kinematic accuracy with using
Time lengthening and the situation that is gradually lowered even gross distortion and cannot work occurs；And support fin 2 to significantly increase
The surface area of the outer peripheral face of liner body 1, expands the contact area with coolant, and then effectively strengthens the thermal diffusivity of liner body 1
Can, greatly prolong service life of aeroengine.
Preferably, support the cross section of fin 2 downward-sloping to end by root, and be 5- with the angle of horizontal plane
25°.In actual use, when fuel oil burns, cylinder piston is subject to the downward explosion type thrust of air to this utility model,
Now cylinder piston has obvious pressure at right angle and downward frictional force to liner body 1, and resultant direction is towards obliquely downward, cylinder sleeve
Body 1 has the trend towards obliquely downward deformation, now, supports fin 2 to carry out effectively reversely supporting to cylinder sleeve, enters the hand-manipulating of needle
Property is reinforced, prevents liner body 1 from producing deformation.Support the angle of fin 2 and horizontal plane concretely 5,10,15,20 and
25°。
Preferably, support fin 2 cross section be by end to root gradually broaden it is trapezoidal.This structure is in enhancing
On the basis of the support structural strength of fin 2, also make adjacent support produce inner small and outside big gap between fin 2, be easy to cold
But outwards transmission is effectively radiated for the smooth turnover of liquid and heat.
In order to ensure supporting the intensity and heat dispersion of fin 2, it is preferable that the thickness for supporting fin 2 is 0.5-
4mm.The concrete thickness for supporting fin 2 can be 0.5,1,2,3 and 4mm.
Preferably, the root of support fin 2 and the junction of the bottom of small diameter part 11 are by rounded corner transition.This structure can be carried
Height supports the overall surface smoothness of fin 2 and cylinder sleeve, is easy to the smooth cylinder liner surface that flows through of coolant effectively to be radiated,
And stress concentration is not likely to produce, and bulk strength is improved, increase the service life.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out similar thinking to it
Appropriate change is modified, and all be should be regarded as without departing from patent category of the present utility model.
Claims (2)
1. a kind of wet type cylinder sleeve of engine, including liner body, it is characterised in that：The outer peripheral face of the liner body with cooling
The position of liquid contact is formed with small diameter part, and the bottom of the small diameter part is formed with from top to bottom around the spiral helicine of liner body
Support fin；It is described to support the cross section of fin downward-sloping to end by root, and be 5- with the angle of horizontal plane
25°。
2. a kind of wet type cylinder sleeve of engine according to claim 1, it is characterised in that：The cross section of the support fin
Be by end to root gradually broaden it is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620665502.0U CN206111361U (en) | 2016-06-29 | 2016-06-29 | Wet -type engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620665502.0U CN206111361U (en) | 2016-06-29 | 2016-06-29 | Wet -type engine cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111361U true CN206111361U (en) | 2017-04-19 |
Family
ID=58509732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620665502.0U Expired - Fee Related CN206111361U (en) | 2016-06-29 | 2016-06-29 | Wet -type engine cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818969A (en) * | 2021-11-04 | 2021-12-21 | 北京长源朗弘科技有限公司 | Cylinder sleeve of diesel engine cylinder with cooling function |
-
2016
- 2016-06-29 CN CN201620665502.0U patent/CN206111361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818969A (en) * | 2021-11-04 | 2021-12-21 | 北京长源朗弘科技有限公司 | Cylinder sleeve of diesel engine cylinder with cooling function |
| CN113818969B (en) * | 2021-11-04 | 2022-05-17 | 北京长源朗弘科技有限公司 | Cylinder sleeve of diesel engine cylinder with cooling function |
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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 |
Granted publication date: 20170419 Termination date: 20180629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |