CN206035655U - Novel cylinder jacket - Google Patents
Novel cylinder jacket Download PDFInfo
- Publication number
- CN206035655U CN206035655U CN201620734180.0U CN201620734180U CN206035655U CN 206035655 U CN206035655 U CN 206035655U CN 201620734180 U CN201620734180 U CN 201620734180U CN 206035655 U CN206035655 U CN 206035655U
- Authority
- CN
- China
- Prior art keywords
- wall layer
- heat dissipation
- radiating
- cylinder
- dissipation wall
- 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 novel cylinder jacket, break through the structural form of traditional engine cylinder cover, spiral helicine support fin at first can have the effect of waling to the heat dissipation wall layer, consolidate the heat dissipation wall layer, avoid thin heat dissipation 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 be avoided dispelling the heat the wall layer when giving the heat dissipation wall layer and is taken place to warp when the cylinder liner body, and then can avoid the cylinder liner body to take place to warp, 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 surface area that the fin can show increase heat dissipation wall layer outer peripheral face, enlarge with the area of contact of coolant liquid, and then the heat dispersion of effective reinforcing heat dissipation wall layer prolongs engine service life greatly. Therefore, the utility model discloses a heat dissipation wall layer intensity high non -deformable, life prolongs greatly, and heat dispersion is showing and is improving moreover.
Description
Technical field
This utility model is related to engine components field, and in particular to a kind of Novel cylinder jacket.
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, directly processes cylinder 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
Making room, radial positioning being realized using upper and lower locating ring band, axially position is propped up by cylinder jacket upper flange is corresponding with the top of body
Bearing surface coordinates to be realized.The advantage of wet liner is the water jacket being not closed in cylinder block, is easily cast, 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 which 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 which 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 so as to there is cylinder piston kinematic accuracy as use time extends
Lead to not the situation of work to gross distortion, have a strong impact on normal use, practicality has much room for improvement.
In consideration of it, inventor is furtherd investigate to the problems referred to above, there is then this case to produce.
Utility model content
The purpose of this utility model is to provide a kind of radiating parietal layer high strength and deformation, and service life is greatly prolonged,
And heat dispersion is significantly improved, practical Novel cylinder jacket.
In order to achieve the above object, this utility model adopts such technical scheme：
A kind of Novel cylinder jacket, including liner body, 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 is linked together with cylinder sleeve seat；It is described radiating parietal layer outer peripheral face be formed with by
The up to lower spiral helicine support fin around radiating parietal layer.
The end of the cross section for supporting fin is downward-sloping, and is 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, Novel cylinder jacket of the present utility model breaks through the structural form of conventional engines cylinder sleeve,
Liner body periphery is closely arranged with radiating parietal layer, and spiral helicine support fin can have the work waled to the parietal layer that radiates first
With to radiating, parietal layer is reinforced, it is to avoid relatively thin radiating parietal layer deforms, especially when liner body is subject to cylinder piston
Bulbs of pressure of reciprocating contact pressure and high-temperature combustion gas etc. can avoid radiating when acting on and passing to radiating parietal layer
Parietal layer deforms, and then the sustainable liner body of the parietal layer that radiates, it is to avoid liner body deforms, so as to prevent cylinder piston
The situation that kinematic accuracy is gradually lowered even gross distortion and cannot work as use time extends occurs；And support scattered
Backing can significantly increase the surface area of radiating parietal layer outer peripheral face, expand the contact area with coolant, and then effectively strengthen radiating
The heat dispersion of parietal layer, greatly prolongs service life of aeroengine.Compared with prior art, Novel cylinder jacket of the present utility model, its
Radiating parietal layer high strength and deformation, service life is greatly prolonged, and heat dispersion is significantly improved, practical.
Description of the drawings
Fig. 1 is the partial structural diagram of this radiating parietal layer；
Broken section structural representations of the Fig. 2 for this utility model use state.
In figure：
1- liner bodies
11- radiating parietal layer 111- support fin
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 Novel cylinder jacket of the present utility model, as illustrated in fig. 1 and 2, including liner body 1.
1 periphery of liner body 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 is linked together with cylinder sleeve seat 2；The outer peripheral face shape of radiating parietal layer 11
Into the spiral helicine support fin 111 having from top to bottom around radiating parietal layer 11.This utility model in actual use,
1 periphery of liner body is closely arranged with radiating parietal layer 11, and spiral helicine support fin 111 can have hoop to the parietal layer 11 that radiates first
Effect firmly, to radiating, parietal layer 11 is reinforced, it is to avoid relatively thin radiating parietal layer 11 deforms, especially when liner body 1
Bulbs of pressure by the reciprocating contact pressure of cylinder piston (not shown) and high-temperature combustion gas etc. are acted on and are passed
Radiating parietal layer 11 can be avoided when passing radiating parietal layer 11 to deform, and then the parietal layer 11 that radiates can support liner body 1, it is to avoid cylinder
Set body 1 deforms, and is gradually lowered even serious change so as to prevent cylinder piston kinematic accuracy as use time extends
Shape and situation about cannot work occurs；And support fin 111 significantly increase the surface area of radiating 11 outer peripheral face of parietal layer, expand
Contact area greatly with coolant, and then effectively strengthen the heat dispersion of radiating parietal layer 11, greatly prolong service life of aeroengine.
Preferably, support the end of the cross section of fin 111 downward-sloping, and be 5-25 ° with the angle of horizontal plane.This
In actual use, when fuel oil burns, cylinder piston is subject to the downward explosion type thrust of air, this seasonal epidemic pathogens to utility model
Cylinder piston has obvious pressure at right angle and downward frictional force to liner body 1, and resultant direction is towards obliquely downward, liner body 1
With the trend deformed towards obliquely downward and pass to radiating parietal layer 11, now, support fin 111 can to radiate parietal layer 11 carry out
Effectively reversely support, carry out specific aim reinforcing, prevent radiate parietal layer 11 and the generation deformation of liner body 1.Support fin 111
With concretely 5,10,15,20 and 25 ° of the angle of horizontal plane.
Preferably, support fin 111 cross section be by end to root gradually broaden it is trapezoidal.This structure is strengthening
On the basis of supporting 111 structural strength of fin, adjacent to support also is made produce inner small and outside big gap between fin 111,
Outwards transmission is effectively radiated to be easy to the smooth turnover of coolant and heat.
In order to ensure support fin 111 intensity and heat dispersion, it is preferable that support fin 111 thickness be
0.5-4mm.The concrete thickness for supporting fin 111 can be 0.5,1,2,3 and 4mm.
Preferably, the junction of root and radiating parietal layer 11 of fin 111 is supported by rounded corner transition.This structure can be carried
The high surface smoothness for supporting fin 111 and radiating 11 entirety of parietal layer, is easy to the smooth cylinder liner surface that flows through of coolant to carry out
Effectively radiate, and be not likely to produce stress concentration, improve bulk strength, 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 which
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 Novel cylinder jacket, including liner body, it is characterised in that：The liner body periphery is closely arranged with radiating wall
Layer, the radiating parietal layer are contacted with the coolant cavity volume of cylinder sleeve seat and are linked together with cylinder sleeve seat；Outside the radiating parietal layer
Side face is formed with spiral helicine support fin from top to bottom around radiating parietal layer；The end of the cross section for supporting fin
Portion is downward-sloping, and is 5-25 ° with the angle of horizontal plane.
2. a kind of Novel cylinder jacket according to claim 1, it is characterised in that：The cross section for supporting fin is by holding
It is trapezoidal that portion to root gradually broadens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620734180.0U CN206035655U (en) | 2016-07-13 | 2016-07-13 | Novel cylinder jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620734180.0U CN206035655U (en) | 2016-07-13 | 2016-07-13 | Novel cylinder jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035655U true CN206035655U (en) | 2017-03-22 |
Family
ID=58310986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620734180.0U Expired - Fee Related CN206035655U (en) | 2016-07-13 | 2016-07-13 | Novel cylinder jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035655U (en) |
-
2016
- 2016-07-13 CN CN201620734180.0U patent/CN206035655U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20170322 Termination date: 20190713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |