CN209308839U - Engine and its cylinder block - Google Patents
Engine and its cylinder block Download PDFInfo
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- CN209308839U CN209308839U CN201822225588.7U CN201822225588U CN209308839U CN 209308839 U CN209308839 U CN 209308839U CN 201822225588 U CN201822225588 U CN 201822225588U CN 209308839 U CN209308839 U CN 209308839U
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- cylinder sleeve
- cylinder
- water jacket
- water inlet
- water
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Abstract
The utility model discloses a kind of engine and its cylinder block, cylinder block includes cylinder sleeve, and the cylinder sleeve water jacket for radiating to the cylinder sleeve is provided on the outside of the cylinder sleeve；Extended distance at the top of the water inlet of the cylinder sleeve water jacket between the cylinder sleeve top in the cylinder sleeve axial direction is M, and the extended height of the cylinder sleeve axially along is L, and M≤L/3.Since the setting position of the water inlet of cylinder sleeve water jacket is higher, and from top to bottom temperature successively reduces cylinder sleeve, cooling water directly enters compared with traditional middle part or lower part intake from a cylinder sleeve high position, the cooling of cylinder sleeve can be made more uniform, also it easily facilitates and is cooled down into top of the cooling water in cylinder sleeve water jacket to cylinder sleeve, the cooling effect at one ring of piston is also improved simultaneously, and then effectively improves the cooling effect of cylinder sleeve.
Description
Technical field
The utility model relates to technical field of engines, more specifically to a kind of engine and its cylinder block.
Background technique
With the raising of engine power and emission request, greatly improve engine heat load, to body cooling capacity
It is required that higher and higher, the cooling especially at one ring of engine piston.And in the prior art, generally around the cylinder sleeve of engine
Water jacket is arranged to radiate with the cylinder sleeve to engine, however the water inlet of cylinder sleeve water jacket is generally located on cylinder sleeve in the prior art
Middle lower curtate, cause the heat dissipation effect of cylinder sleeve entirety poor, the cooling effect at one ring of engine piston is also poor.
It is that current those skilled in the art are urgently to be solved in conclusion how to effectively improve the cooling effect of cylinder sleeve
Problem.
Utility model content
In view of this, first of the utility model is designed to provide a kind of cylinder block, the structure design of the cylinder block
The cooling effect of cylinder sleeve can be effectively improved, second purpose of the utility model is to provide a kind of including above-mentioned cylinder block
Engine.
In order to reach above-mentioned first purpose, the utility model is provided the following technical solutions:
A kind of cylinder block, including cylinder sleeve are provided with the cylinder sleeve water jacket for radiating to the cylinder sleeve on the outside of the cylinder sleeve；
Extended distance at the top of the water inlet of the cylinder sleeve water jacket between the cylinder sleeve top in the cylinder sleeve axial direction is
M, the extended height of the cylinder sleeve axially along are L, and M≤L/3.
Preferably, in above-mentioned cylinder block, in the cylinder between the water inlet bottom of the cylinder sleeve water jacket and the cylinder sleeve top
Covering the extended distance in axial direction is N, N≤L/3.
Preferably, in above-mentioned cylinder block, in the cylinder between the water inlet bottom of the cylinder sleeve water jacket and the cylinder sleeve bottom end
Covering the extended distance in axial direction is Q, Q > L/2.
Preferably, in above-mentioned cylinder block, the cylinder sleeve water jacket include along cylinder sleeve axially be from top to bottom sequentially distributed it is upper
Layer water jacket and lower layer's water jacket, and the upper layer water jacket and lower layer's water jacket are mutually indepedent.
Preferably, in above-mentioned cylinder block, the water inlet of the cylinder sleeve water jacket is provided with bifurcation structure, the bifurcation structure
The water inlet of the cylinder sleeve water jacket is divided into the upper water inlet being connected to the upper layer water jacket and is connected to lower layer's water jacket
Lower water inlet.
Preferably, in above-mentioned cylinder block, the upper water inlet is less than the lower water inlet along the width of cylinder sleeve radial direction
Opening's edge the width of cylinder sleeve radial direction.
Preferably, in above-mentioned cylinder block, the bifurcation structure includes that be provided with dog-ear convex on the inner wall of the cylinder sleeve water jacket
The dog-ear protrusion for rising and/or being arranged on the outer wall of cylinder jachet.
Preferably, in above-mentioned cylinder block, the inner wall and/or the outer wall of cylinder jachet of the cylinder sleeve water jacket include from top to bottom arranging
The first cylinder and the second cylinder of cloth, first cylinder and the second cylinder diameter are different and between the two by folding face connection,
The folding face forms the dog-ear protrusion.
Preferably, in above-mentioned cylinder block, the water inlet area of the upper water inlet is Sa, the water inlet of the cylinder sleeve water jacket
Total water inlet area is S, then S/2 >=Sa > S/3.
A kind of engine, including the cylinder block as described in any one of above-mentioned.
When using cylinder block provided by the above embodiment, since the setting position of the water inlet of cylinder sleeve water jacket is higher, and cylinder
From top to bottom temperature successively reduces set, and cooling water directly enters compared with traditional middle part or lower part intake from a cylinder sleeve high position,
The cooling that can make cylinder sleeve more uniformly, also easily facilitates cold into top progress of the cooling water in cylinder sleeve water jacket to cylinder sleeve
But, while the cooling effect at one ring of piston is also improved, and then effectively improves the cooling effect of cylinder sleeve.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of engine, which includes above-mentioned
Any cylinder block.Since above-mentioned cylinder block has above-mentioned technique effect, the engine with the cylinder block should also have phase
The technical effect answered.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross-sectional view of cylinder block provided by the embodiment of the utility model；
Fig. 2 is the partial enlarged view of Fig. 1.
In Fig. 1-2:
Water inlet, 2- dog-ear protrusion under 1- cylinder sleeve water jacket, the upper water inlet of 1a-, 1b-.
Specific embodiment
First of the utility model is designed to provide a kind of cylinder block, and the structure design of the cylinder block can be effectively
The cooling effect of cylinder sleeve is improved, second purpose of the utility model is to provide a kind of engine including above-mentioned cylinder block.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", " left side " and " right side "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type and simplified description, rather than the position of indication or suggestion meaning or element must have particular orientation, with specific orientation structure
At and operation, therefore should not be understood as the limitation of the utility model.In addition, term " first ", " second " are used for description purposes only,
It is not understood to indicate or imply relative importance.
Fig. 1-Fig. 2 is please referred to, cylinder block provided by the utility model includes cylinder sleeve, and useful in the setting of the outside of cylinder sleeve
In the cylinder sleeve water jacket 1 to radiate to cylinder sleeve.Specifically, cylinder sleeve water jacket 1 can be arranged around cylinder sleeve, and by the top of cylinder sleeve water jacket 1
It can extend to bottom along cylinder sleeve axially direction is parallel to.Cooling water flows through the heat that cylinder sleeve is taken away inside cylinder sleeve water jacket 1
Amount realizes the heat dissipation to cylinder sleeve.The top of cylinder sleeve to bottom end refers to one end along cylinder sleeve axially direction cylinder sleeve to the other end.
Focus on, the extended distance at the top of the water inlet of cylinder sleeve water jacket 1 between cylinder sleeve top in the cylinder sleeve axial direction
For M, i.e., axially corresponding position is first position to cylinder sleeve at the top of the upper water inlet with cylinder sleeve water jacket 1, and cylinder sleeve is axial above and cylinder sleeve
The corresponding position in top is the second position, and the distance between first position and the second position are M.First position and cylinder sleeve water jacket 1
Water inlet at the top of line perpendicular to cylinder sleeve axial direction, the line on the second position and cylinder sleeve top is perpendicular to cylinder sleeve axial direction.By cylinder
Water inlet top to the cylinder sleeve top of set water jacket 1 is M along the extended distance for being parallel to the extension of cylinder sleeve axially direction.Cylinder sleeve edge
Its axial extended height be L, along the extended distance of cylinder sleeve axial direction be L by top to the bottom end of cylinder sleeve, and M≤L/3, i.e.,
M is less than or equal to the one third of L.Cylinder sleeve is divided into the three of equal length by even the first plane and the second plane axially along
Section, for the first plane closer to cylinder sleeve top, the second plane is not closer to cylinder sleeve bottom end, then low at the top of the water inlet of cylinder sleeve water jacket 1
It is arranged in the first plane.
When using cylinder block provided by the above embodiment, since the setting position of the water inlet of cylinder sleeve water jacket 1 is higher, and cylinder
From top to bottom temperature successively reduces set, and cooling water directly enters compared with traditional middle part or lower part intake from a cylinder sleeve high position,
The cooling that can make cylinder sleeve more uniformly, also easily facilitates cold into top progress of the cooling water in cylinder sleeve water jacket 1 to cylinder sleeve
But, while the cooling effect at one ring of piston is also improved, and then effectively improves the cooling effect of cylinder sleeve.
In one embodiment, between the water inlet bottom and cylinder sleeve top of cylinder sleeve water jacket 1 in the cylinder sleeve axial direction
Extended distance is N, N≤L/3.I.e. by the water inlet bottom of cylinder sleeve water jacket 1 to cylinder sleeve top along the side for being parallel to cylinder sleeve axial direction
It is N to the extended distance of extension.And N is less than or equal to the one third of L.In this way, the water inlet of entire cylinder sleeve water jacket 1 is located at first
Plane upper side further ensures the heat transfer effect of cylinder sleeve upper section, keeps the cooling of cylinder sleeve more uniform.
In another embodiment, prolonging in the cylinder sleeve axial direction between the water inlet bottom and cylinder sleeve bottom end of cylinder sleeve water jacket 1
Stretching distance is Q, Q > L/2.I.e. by the water inlet bottom of cylinder sleeve water jacket 1 to cylinder sleeve bottom end along being parallel to cylinder sleeve axially direction
The extended distance of extension is Q.And Q is greater than the half of L.It so ensure that, the water inlet of entire cylinder sleeve water jacket 1 is located at cylinder sleeve
Axially divide the upside in face equally, and then ensure that the water inlet of entire cylinder sleeve water jacket 1 is located at a middle high position for cylinder sleeve.Wherein, cylinder sleeve axis
It is that cylinder sleeve is axially divided into two sections of equal length to divide face equally to face is divided equally.
Preferably, cylinder sleeve water jacket 1 includes upper layer water jacket and lower layer's water jacket, and upper layer water jacket and lower layer's water jacket are along cylinder sleeve
It is axial to be from top to bottom sequentially distributed, and the upper layer water jacket and lower layer's water jacket are mutually indepedent.Coolant liquid i.e. inside the water jacket of upper layer
Chamber is not connected to mutually with the cooling sap cavity inside lower layer's water jacket.So set, can be obtained according to simulation calculation cylinder sleeve upper layer and
Then the Temperature Distribution of lower layer adjusts the height and flow of upper layer water jacket and lower layer's water jacket, so that master cylinder puts on temperature of lower
Purpose.
Further, the water inlet of cylinder sleeve water jacket 1 is provided with bifurcation structure, and bifurcation structure is by the water inlet of cylinder sleeve water jacket 1
Mouth is divided into water inlet 1a and lower water inlet 1b, wherein upper water inlet 1a is connected to upper layer water jacket, lower water inlet connects with lower layer's water jacket
Logical.The Temperature Distribution that cylinder sleeve the upper and lower can be so obtained according to simulation calculation, according to the temperature of cylinder sleeve the upper and lower
The position of profile set bifurcation structure is spent, to realize the flow and flow rate and upper water inlet of adjustment upper layer water jacket and lower layer's water jacket
The water inlet ratio of mouth 1a and lower water inlet 1b, to guarantee that the temperature of cylinder sleeve is more uniform.
Further, upper water inlet 1a is less than lower water inlet 1b along cylinder sleeve radial direction side along the width of cylinder sleeve radial direction
To width, be arranged so that water inlet 1a width be less than lower water inlet 1b width, pass through the width of upper water inlet 1a
The flow and flow rate of adjustment upper layer water jacket and lower layer's water jacket also may be implemented in the setting of the width of degree and lower water inlet 1b, and
The water inlet ratio of upper water inlet 1a and lower water inlet 1b.
Specifically, bifurcation structure includes the dog-ear protrusion 2 being arranged on the inner wall of cylinder sleeve water jacket 1 and is arranged in outer wall of cylinder jachet
On dog-ear protrusion 2.On the inner wall of cylinder sleeve water jacket 1 dog-ear protrusion 2 with outer wall of cylinder jachet on dog-ear protrusion 2 offset with realize by
The water inlet of cylinder sleeve water jacket 1 is divided into water inlet 1a and lower water inlet 1b.
Specifically, the inner wall of cylinder sleeve water jacket 1 and outer wall of cylinder jachet include the first cylinder and the second column from top to bottom arranged
Face, the first cylinder and the second cylinder diameter are different.And it is connected between the first cylinder and the second cylinder by folding face, above-mentioned folding face
Form dog-ear protrusion.Above-mentioned folding face can be the conical surface, be not limited thereto.Outside folding face and cylinder sleeve on the inner wall of cylinder sleeve water jacket 1
Folding face on wall abuts, and the water inlet of cylinder sleeve water jacket 1 is divided into upper water inlet 1a and lower water inlet 1b.
It is, of course, also possible to which boss is arranged inside cylinder sleeve water jacket 1, the boss inside cylinder sleeve water jacket 1 offsets with outer wall of cylinder jachet,
The water inlet of cylinder sleeve water jacket 1 is divided into upper water inlet 1a and lower water inlet 1b.Certainly, between upper layer water jacket and lower layer's water jacket
It can be separated to form by the boss inside cylinder sleeve water jacket 1.
Certainly, bifurcation structure can also be the cushion rubber etc. that the water inlet of cylinder sleeve water jacket 1 is arranged in, and be not limited thereto.
In another embodiment, the water inlet area of upper water inlet 1a is Sa, total water inlet area of the water inlet of cylinder sleeve water jacket 1
For S, then S/2 >=Sa > S/3, then Sa is between half of the one third to S of S, to guarantee the cooling effect of cylinder sleeve upper section
Fruit.
The cylinder block provided in based on the above embodiment, the utility model additionally provide a kind of engine, the engine packet
Include any one cylinder block in above-described embodiment.Since the engine uses the cylinder block in above-described embodiment, so the hair
The beneficial effect of motivation please refers to above-described embodiment.
Above-mentioned engine can be diesel engine, naturally it is also possible to which other types of engine is not limited thereto.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of cylinder block, which is characterized in that including cylinder sleeve, be provided on the outside of the cylinder sleeve for cylinder sleeve heat dissipation
Cylinder sleeve water jacket (1)；
Extended distance at the top of the water inlet of the cylinder sleeve water jacket (1) between the cylinder sleeve top in the cylinder sleeve axial direction is M,
The extended height of the cylinder sleeve axially along is L, and M≤L/3.
2. cylinder block according to claim 1, which is characterized in that the water inlet bottom of the cylinder sleeve water jacket (1) with it is described
Extended distance between cylinder sleeve top in the cylinder sleeve axial direction is N, N≤L/3.
3. cylinder block according to claim 1, which is characterized in that the water inlet bottom of the cylinder sleeve water jacket (1) with it is described
Extended distance between cylinder sleeve bottom end in the cylinder sleeve axial direction is Q, Q > L/2.
4. cylinder block according to claim 1, which is characterized in that the cylinder sleeve water jacket (1) include along cylinder sleeve it is axial by
The upper layer water jacket and lower layer's water jacket being sequentially distributed under, and the upper layer water jacket and lower layer's water jacket are mutually indepedent.
5. cylinder block according to claim 4, which is characterized in that the water inlet of the cylinder sleeve water jacket (1) is provided with point
The water inlet of the cylinder sleeve water jacket (1) is divided into the upper water inlet being connected to the upper layer water jacket by water-bound, the bifurcation structure
(1a) and the lower water inlet (1b) being connected to lower layer's water jacket.
6. cylinder block according to claim 5, which is characterized in that the upper water inlet (1a) is along cylinder sleeve radial direction
Width is less than the lower water inlet (1b) along the width of cylinder sleeve radial direction.
7. cylinder block according to claim 5, which is characterized in that the bifurcation structure includes being arranged in the cylinder sleeve water jacket
(1) dog-ear on inner wall raised (2) and the dog-ear protrusion (2) being arranged on the outer wall of cylinder jachet.
8. cylinder block according to claim 7, which is characterized in that outside the inner wall and the cylinder sleeve of the cylinder sleeve water jacket (1)
Wall includes the first cylinder and the second cylinder from top to bottom arranged, first cylinder and the second cylinder diameter difference and the two
Between connected by folding face, the folding face forms dog-ear protrusion.
9. cylinder block according to claim 5, which is characterized in that the water inlet area of the upper water inlet (1a) is Sa, institute
The total water inlet area for stating the water inlet of cylinder sleeve water jacket (1) is S, then S/2 >=Sa > S/3.
10. a kind of engine, which is characterized in that including cylinder block as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225588.7U CN209308839U (en) | 2018-12-27 | 2018-12-27 | Engine and its cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225588.7U CN209308839U (en) | 2018-12-27 | 2018-12-27 | Engine and its cylinder block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209308839U true CN209308839U (en) | 2019-08-27 |
Family
ID=67679464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822225588.7U Active CN209308839U (en) | 2018-12-27 | 2018-12-27 | Engine and its cylinder block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209308839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488476A (en) * | 2018-12-27 | 2019-03-19 | 潍柴动力股份有限公司 | Engine and its cylinder block |
| CN111456863A (en) * | 2020-05-18 | 2020-07-28 | 安徽华菱汽车有限公司 | Cylinder sleeve cooling device capable of achieving accurate flow distribution |
-
2018
- 2018-12-27 CN CN201822225588.7U patent/CN209308839U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488476A (en) * | 2018-12-27 | 2019-03-19 | 潍柴动力股份有限公司 | Engine and its cylinder block |
| CN111456863A (en) * | 2020-05-18 | 2020-07-28 | 安徽华菱汽车有限公司 | Cylinder sleeve cooling device capable of achieving accurate flow distribution |
| CN111456863B (en) * | 2020-05-18 | 2024-05-07 | 安徽华菱汽车有限公司 | Cylinder sleeve cooling device capable of accurately shunting |
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