CN206158870U - Cylinder liner that intensity is high - Google Patents
Cylinder liner that intensity is high Download PDFInfo
- Publication number
- CN206158870U CN206158870U CN201620734179.8U CN201620734179U CN206158870U CN 206158870 U CN206158870 U CN 206158870U CN 201620734179 U CN201620734179 U CN 201620734179U CN 206158870 U CN206158870 U CN 206158870U
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- CN
- China
- Prior art keywords
- heat radiation
- wall layer
- radiating
- radiation wall
- parietal layer
- 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 cylinder liner that intensity is high, break through the structural form of traditional engine cylinder cover, the support fin cooperation reinforced company splicing of a plurality of closed ring -types at first can have along the stirrup effect of circumference the heat radiation wall layer, consolidate the heat radiation wall layer, avoid the heat radiation wall layer to take place to warp, especially, receive effect such as cylinderpiston reciprocating motion's contact force and high -temperature combustion gas's swelling pressure and the transmission can avoid when giving the heat radiation wall layer heat radiation wall layer to take place along the uplift of heat radiation wall layer axis direction and perpendicular to axis direction or deformation such as cave in when the cylinder liner body, but and then heat radiation wall layer supporting cylinder jacket body, avoid the cylinder liner body to take place to warp, thereby prevent along with the internal surface of live time extension cylinder liner body roughly gradually, cylinderpiston movement accuracy reduces even severe deformation gradually and the condition of unable work takes place, and support the fin and can show the surface area that increase heat radiation wall layer outer peripheral face, enlarge and the area of contact of coolant liquid, and then effectively strengthen the heat dispersion on heat radiation wall layer.
Description
Technical field
The utility model is related to engine components field, and in particular to a kind of high cylinder sleeve of intensity.
Background technology
The structure of cylinder has been known, and its form substantially has three kinds：Without cylinder shell type cylinder, wet type cylinder and dry type gas
Cylinder.
Body without cylinder shell 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 engine 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 finish, to 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 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 radiating parietal layer intensity to significantly improve, and is unlikely to deform, and service life is big
Extend greatly, and heat dispersion is significantly improved, the high cylinder sleeve of practical intensity.
In order to achieve the above object, the utility model adopts such technical scheme：
A kind of high cylinder sleeve of intensity, including liner body, the liner body periphery is closely arranged with radiating parietal layer, described
Radiating parietal layer is contacted with the coolant cavity volume of cylinder sleeve seat and linked together with cylinder sleeve seat；The outer peripheral face of the radiating parietal layer is formed
Have multiple arranged in parallel from top to bottom and surround support fin of the radiating parietal layer in closed circular, the adjacent support is radiated
The reinforcement connection sheet of strip that is multiple arranged in parallel around radiating parietal layer and from top to bottom extending is formed between piece.
The reinforcement connection sheet is corresponding up and down.
The reinforcement connection sheet is staggered up and down.
It is described to support the cross section of fin downward-sloping to end by root.
After using above-mentioned technical proposal, the high cylinder sleeve of intensity of the present utility model breaks through the construction of conventional engines cylinder sleeve
Form, the fin that supports of multiple closed circulars can have stirrup circumferentially to act on the parietal layer that radiates first, and to radiating, parietal layer enters
Row is reinforced, it is to avoid relatively thin radiating parietal layer deforms, especially when liner body is subject to the reciprocating contact of cylinder piston
Bulbs of pressure of pressure and high-temperature combustion gas etc. can avoid radiating parietal layer generation along radiating when acting on and passing to radiating parietal layer
Bending of parietal layer axis direction etc. deforms, and then the sustainable liner body of the parietal layer that radiates, it is to avoid liner body becomes
Shape, so as to prevent as the inner surface of use time prolongation liner body is gradually coarse, cylinder piston kinematic accuracy is gradually lowered
Even gross distortion and situation about cannot work occurs；And support fin to significantly increase the surface of radiating parietal layer outer peripheral face
Product, expands the contact area with coolant, and then the effectively heat dispersion of enhancing radiating parietal layer, greatly prolongs engine and uses the longevity
Life；Further, strengthening connection sheet can be to supporting fin to produce on the basis of the effect for supporting and pining down, can be to the parietal layer that radiates
There is reinforcement in the axial direction, parietal layer is reinforced to radiating, it is to avoid relatively thin radiating parietal layer deforms, especially
It is to pass when liner body is subject to the effect such as bulbs of pressure of the reciprocating contact of cylinder piston and high-temperature combustion gas
Parietal layer generation can be avoided radiating when passing radiating parietal layer along deformations such as the bendings perpendicular to radiating parietal layer axis direction.With
Prior art is compared, the high cylinder sleeve of intensity of the present utility model, and its radiating parietal layer intensity is significantly improved, and is unlikely to deform, using the longevity
Life is greatly prolonged, and heat dispersion is significantly improved, practical.
Description of the drawings
Fig. 1 is the partial structural diagram of radiating parietal layer；
Fig. 2 is the broken section structural representation of the utility model use state；
Fig. 3 is the cross-sectional structure schematic diagram of radiating parietal layer.
In figure：
1- liner bodies
11- radiating parietal layers
111- supports fin 112- to strengthen connection sheet
2- cylinder sleeve seat 21- cavity volumes.
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 high cylinder sleeve of intensity of the present utility model, as Figure 1-3, including liner body 1.
The periphery of liner body 1 is closely arranged with radiating parietal layer 11, and cylinder sleeve seat 2 has the cavity volume 21 of accommodating coolant, radiating
Parietal layer 11 is contacted with the cavity volume 21 of the coolant of cylinder sleeve seat 2 and linked together with cylinder sleeve seat 2；The outer peripheral face shape of radiating parietal layer 11
Into the support fin 111 for having multiple arranged in parallel from top to bottom and circular radiating parietal layer 11 to be in closed circular, adjacent support
The reinforcement connection sheet of strip that is multiple arranged in parallel around radiating parietal layer 11 and from top to bottom extending is formed between fin 111
112.In actual use, the periphery of liner body 1 is closely arranged with radiating parietal layer 11, multiple closed circulars to the utility model
Support fin 111 first can to radiate parietal layer 11 have circumferentially stirrup effect, to radiate parietal layer 11 reinforce, it is to avoid
Relatively thin radiating parietal layer 11 deforms, especially when liner body 1 is subject to cylinder piston (not shown) reciprocating
Bulbs of pressure of contact and high-temperature combustion gas etc. can avoid the parietal layer 11 that radiates when acting on and passing to radiating parietal layer 11
The deformations such as the raw bending along the radiating axis direction of parietal layer 11, and then the parietal layer 11 that radiates can support liner body 1, it is to avoid cylinder
Set body 1 deforms, so as to prevent as the inner surface of use time prolongation liner body 1 is gradually coarse, cylinder piston fortune
The situation that dynamic precision is gradually lowered even gross distortion and cannot work occurs；And it is scattered to support fin 111 to significantly increase
The surface area of the outer peripheral face of hot wall layer 11, expands the contact area with coolant, and then effectively strengthens the thermal diffusivity of radiating parietal layer 11
Can, greatly prolong service life of aeroengine；Further, strengthening connection sheet 112 can support and lead to supporting fin 111 to produce
On the basis of the effect of system, there can be reinforcement in the axial direction to the parietal layer 11 that radiates, the parietal layer 11 that radiates is carried out adding
Gu, it is to avoid relatively thin radiating parietal layer 11 deforms, especially when liner body 1 is subject to the reciprocating contact pressure of cylinder piston
Bulbs of pressure of power and high-temperature combustion gas etc. can avoid the radiating generation of parietal layer 11 edge from hanging down when acting on and passing to radiating parietal layer 11
The deformations such as the straight bending in the radiating axis direction of parietal layer 11.
Preferably, connection sheet is strengthened corresponding about 112.This structure can be such that the reinforcement connection sheet 112 of levels mutually props up
Support and pin down, bulk strength is higher.
Preferably, strengthen connection sheet to be staggered about 112.This structure can make the distribution of reinforcement connection sheet 112 more uniform,
On the basis of proof strength, radiating effect is significantly enhanced.
Preferably, support the cross section of fin 111 downward-sloping to end by root.The utility model is actually used
During, when fuel oil burns, cylinder piston is subject to the downward explosion type thrust of air, and now cylinder piston has to liner body 1
There are obvious pressure at right angle and downward frictional force, resultant direction has becoming towards obliquely downward deformation towards obliquely downward, liner body 1
Gesture, now, supports fin 111 to carry out effectively reversely supporting to liner body 1, carries out specific aim reinforcing, prevents cylinder sleeve
Body 1 produces deformation.
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 (4)
1. a kind of high cylinder sleeve of intensity, including liner body, it is characterised in that：The liner body periphery is closely arranged with radiating
Parietal layer, the radiating parietal layer is contacted with the coolant cavity volume of cylinder sleeve seat and linked together with cylinder sleeve seat；The radiating parietal layer
Outer peripheral face is formed with multiple arranged in parallel from top to bottom and circular support fin of the radiating parietal layer in closed circular, adjacent institute
State to support and strip plus strong ties that are multiple arranged in parallel around radiating parietal layer and from top to bottom extending are formed between fin
Piece.
2. the high cylinder sleeve of a kind of intensity according to claim 1, it is characterised in that：The reinforcement connection sheet is relative up and down
Should.
3. the high cylinder sleeve of a kind of intensity according to claim 2, it is characterised in that：The reinforcement connection sheet is staggered up and down
Open.
4. the high cylinder sleeve of a kind of intensity described according to any one of claim 1-3, it is characterised in that：Described support dissipates
The cross section of backing is downward-sloping to end by root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620734179.8U CN206158870U (en) | 2016-07-13 | 2016-07-13 | Cylinder liner that intensity is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620734179.8U CN206158870U (en) | 2016-07-13 | 2016-07-13 | Cylinder liner that intensity is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158870U true CN206158870U (en) | 2017-05-10 |
Family
ID=58647031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620734179.8U Expired - Fee Related CN206158870U (en) | 2016-07-13 | 2016-07-13 | Cylinder liner that intensity is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323804A (en) * | 2018-12-18 | 2019-02-12 | 中国航发沈阳发动机研究所 | A kind of anti-extrusion deformation formula gas circuit leakage test part support construction |
-
2016
- 2016-07-13 CN CN201620734179.8U patent/CN206158870U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323804A (en) * | 2018-12-18 | 2019-02-12 | 中国航发沈阳发动机研究所 | A kind of anti-extrusion deformation formula gas circuit leakage test part support construction |
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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: 20170510 Termination date: 20190713 |