CN106438085A - Cylinder block of diesel engine - Google Patents
Cylinder block of diesel engine Download PDFInfo
- Publication number
- CN106438085A CN106438085A CN201610895312.2A CN201610895312A CN106438085A CN 106438085 A CN106438085 A CN 106438085A CN 201610895312 A CN201610895312 A CN 201610895312A CN 106438085 A CN106438085 A CN 106438085A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- diesel engine
- cylinder block
- cylinder holes
- holes
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a cylinder block of a diesel engine. The cylinder block comprises a body and a plurality of cylinder holes, the multiple cylinder holes are directly machined and molded in the body, cooling water sleeves are arranged on the peripheries of the cylinder holes, and two water ways which are formed in a machining manner and extend from the top face of the body downwards are formed between every two adjacent cylinder holes, wherein the two corresponding water ways are intersected, and the lower ends of the two corresponding water ways are communicated with the cooling water sleeves of the corresponding cylinder holes. According to the cylinder block, the cylinder holes and the body are integrated together, the part between every two cylinder holes is cast into a solid, the water ways are formed in the machining manner, the cylinder center distance is decreased, the length, the weight and the cost of the cylinder block are reduced, distribution of the diesel engine is more compact, and the reliability of the cylinder block is improved.
Description
Technical field
The present invention relates to engine art, particularly to a kind of cylinder block of diesel engine.
Background technology
Cylinder block is the main body of Diesel engine, and each cylinder and crankcase are connected by it, is to install piston, bent axle
And the support framework of other parts and annex.
Traditional Multi-cylinder diesel engine cylinder body has the characteristics that following：1st, typically adopt wet liner, every cylinder all uses one
Independent cylinder sleeve, but part used is more；2 or adopt dry cylinder liner structure, the water flowing water jacket between two cylinders directly casts
Cause type, but the demand due to casting technique, and the water water jacket of crossing between two cylinders often compares thick big, leads to the cylinder heart of engine
Away from larger, the overall length of body is larger, and weight is also relatively large；3rd, for the ease of design, processing and measurement, traditional cylinder block
Each cylinder holes central axis and crankshaft axis be overlap, but when piston does work, the frictional force between piston and cylinder wall
Relatively large, have impact on mechanical efficiency and oil consumption, and cylinder holes is easier wear-out failure.
The information being disclosed in this background section is merely intended to increase the understanding of the general background to the present invention, and should not
Recognize when being considered or imply in any form that this information structure has been the prior art well known to persons skilled in the art.
Content of the invention
It is an object of the invention to provide a kind of cylinder block of diesel engine, thus overcome existing cylinder block part many or cylinder
The heart is away from big shortcoming.
Another object of the present invention is to providing a kind of cylinder block of diesel engine, thus overcoming the piston of existing diesel engine
Frictional force and between cylinder wall is relatively large, have impact on mechanical efficiency and oil consumption, and cylinder holes is easier the defect of wear-out failure.
For achieving the above object, the invention provides a kind of cylinder block of diesel engine, cylinder block includes body and multiple cylinder
Hole, multiple cylinder holes are directly to shape on body, and the periphery of cylinder holes is respectively equipped with cooling jacket, adjacent cylinder holes
Between be provided with two pass through machining formed extend downwardly sluice from the top surface of body, two sluices intersect, and
Article two, the lower end of sluice is connected with the cooling jacket of corresponding cylinder holes.
Preferably, in technique scheme, on body, between adjacent cylinder holes, it is provided with crankcase partition wall, each crankcase
Dividing plate is provided with passage.
Preferably, in technique scheme, the central axis of cylinder holes is misaligned with the center line of the bent axle of diesel engine.
Preferably, in technique scheme, cylinder holes central axis with the radial distance of the center line of the bent axle of diesel engine is
5mm-20mm.
Preferably, in technique scheme, the intersecting angle of two sluices is 50 ° -100 °.
Preferably, in technique scheme, the intersecting angle of two sluices is 90 °.
Preferably, in technique scheme, a diameter of 3mm～6mm of sluice.
Preferably, in technique scheme, passage is oval.
Compared with prior art, the present invention has the advantages that：
By cylinder holes together with Ontology integration, and the body between two cylinder holes is cast as entity to the present invention, by machinery
Process sluice, shorten cylinder centre line spacing, reduce the length of cylinder block, weight, cost, make the arrangement of diesel engine compacter,
And improve the reliability of cylinder block；Passage on crankcase partition wall balances the air pressure of crankcase between each cylinder, reduces scavenging
Loss, improves the mechanical efficiency of engine；There is radial distance with the center line of the bent axle of diesel engine in the central axis of cylinder holes, have
Help improve mechanical efficiency, fuel economy and endurance quality etc..
Brief description
Fig. 1 is the top view of the cylinder block of the diesel engine according to the present invention.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the B-B view of Fig. 2.
Main Reference Numerals explanation：
1- body, 11- sluice, 12- passage, 13- cooling jacket, the central axis of 17- cylinder holes, in 15- bent axle
Heart line.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " inclusion " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other units
Part or other part.
As shown in Figure 1 to Figure 3, the cylinder block of the diesel engine according to the specific embodiment of the invention includes body 1 and multiple
Cylinder holes 17, multiple cylinder holes 17 directly shape on body 1, need not install cylinder jacket part, contribute to reduction and start
The vibration of machine and noise, improve dependability, reduce manufacturing cost, it is to avoid the leak risk between cylinder jacket and body.
As shown in figure 3, the periphery of each cylinder holes 17 is respectively equipped with cooling jacket 13, for cooling down cylinder holes.But, it is cast as
During shape, the body of two neighboring cylinder holes is entity, does not connect between the cooling jacket of adjacent cylinder holes.As shown in Fig. 2 adjacent cylinder
It is provided with two between hole 17 and pass through the sluice 11 that machining (as holed) is formed, its body between two neighboring cylinder holes 17
Top surface inclination extends downwardly, and two sluices 11 intersect, and the lower end of two sluices 11 respectively with corresponding cylinder holes 17
Cooling jacket 13 connect, so that the cooling jacket of adjacent cylinder holes is connected, make cooling water lateral flow.The upper end of sluice 11 all with
The water jacket connection of cylinder head.Such design can reduce casting technique difficulty, and can reduce cylinder centre line spacing as much as possible, from
And the length of reduction cylinder block, weight, cost；Using cross borehole processing mode, mach uniformity preferably, can be effective
Ground controls and ensures the wall thickness of cylinder jacket between two cylinders it is ensured that reliability.
Preferably, the intersecting angle of two sluices 11 is 50 ° -100 °.It is highly preferred that this intersecting angle is 90 °.
Preferably, a diameter of φ 3～φ 6 (mm) of sluice 11.
As shown in Figures 2 and 3, on body 1, it is provided with crankcase partition wall 16 between adjacent cylinder holes 17, each crankcase partition wall
16 are provided with passage 12, for balancing the air pressure of crankcase between each cylinder, reduce scavenging loss, improve the machinery effect of engine
Rate.Preferably, passage 12 is oval.
As shown in figure 3, the center line 15 of the central axis 14 of cylinder holes and the bent axle of diesel engine is (parallel with central axis 14 simultaneously
The line orthogonal with the central axis of bent axle) misaligned.Using this structure, piston, when starting expansion space stroke, is equivalent to piston
Cross peak in advance, connecting rod tilts in advance, contribute to reducing the lateral pressure to cylinder holes wall for the piston, reduce frictional work and mill
Damage, be favorably improved mechanical efficiency, fuel economy and endurance quality etc..
Preferably, cylinder holes central axis 14 and the radial distance L of the center line 15 of bent axle of diesel engine are 5mm-20mm.
By cylinder holes together with Ontology integration, and the body between two cylinder holes is cast as entity to the present invention, by machinery
Process sluice, shorten cylinder centre line spacing, reduce the length of cylinder block, weight, cost, make the arrangement of diesel engine compacter,
And improve the reliability of cylinder block；Passage on crankcase partition wall balances the air pressure of crankcase between each cylinder, reduces scavenging
Loss, improves the mechanical efficiency of engine；There is radial distance with the center line of the bent axle of diesel engine in the central axis of cylinder holes, have
Help improve mechanical efficiency, fuel economy and endurance quality etc..
The description of the aforementioned specific illustrative embodiment to the present invention illustrate that and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can much be changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles of the present invention and its reality should
With so that those skilled in the art be capable of and utilize the present invention various different exemplary and
Various different selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of cylinder block of diesel engine, described cylinder block includes body and multiple cylinder holes, and the plurality of cylinder holes is directly in institute
State and shape on body, and the periphery of described cylinder holes is respectively equipped with cooling jacket it is characterised in that adjacent described cylinder
It is provided with two between hole and sluice is extended downwardly by the top surface from described body that machining is formed, two described sluice phases
Mutually intersect, and the lower end of two described sluices is connected with the cooling jacket of corresponding described cylinder holes.
2. the cylinder block of diesel engine according to claim 1 is it is characterised in that on described body, adjacent described cylinder holes
Between be provided with crankcase partition wall, each described crankcase partition wall is provided with passage.
3. the cylinder block of diesel engine according to claim 1 and 2 is it is characterised in that the central axis of described cylinder holes and bavin
The center line of the bent axle of oil machine is misaligned.
4. the cylinder block of diesel engine according to claim 3 is it is characterised in that described cylinder holes central axis and described diesel oil
The radial distance of the center line of the bent axle of machine is 5mm-20mm.
5. the cylinder block of diesel engine according to claim 1 is it is characterised in that the intersecting angle of two described sluices is
50°-100°.
6. the cylinder block of diesel engine according to claim 5 is it is characterised in that the intersecting angle of two described sluices is
90°.
7. diesel engine according to claim 1 cylinder block it is characterised in that described sluice a diameter of 3mm～
6mm.
8. the cylinder block of diesel engine according to claim 2 is it is characterised in that described passage is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895312.2A CN106438085A (en) | 2016-10-13 | 2016-10-13 | Cylinder block of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895312.2A CN106438085A (en) | 2016-10-13 | 2016-10-13 | Cylinder block of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438085A true CN106438085A (en) | 2017-02-22 |
Family
ID=58173810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610895312.2A Pending CN106438085A (en) | 2016-10-13 | 2016-10-13 | Cylinder block of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438085A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313870A (en) * | 2017-08-25 | 2017-11-03 | 奇瑞汽车股份有限公司 | Water jacket of engine cylinder |
| CN113153560A (en) * | 2021-03-29 | 2021-07-23 | 广西玉柴机器股份有限公司 | Cooling structure between two cylinder holes of cylinder block |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201396219Y (en) * | 2009-03-31 | 2010-02-03 | 南通柴油机股份有限公司 | Line four-valve series diesel engine tunnel crankcase machine body with cylinder diameter between 138 and 142mm |
| CN201502444U (en) * | 2009-02-17 | 2010-06-09 | 扬州柴油机有限责任公司 | Internal-combustion engine body for controlling the flow of cooling fluid in cylinder |
| CN203394611U (en) * | 2013-07-22 | 2014-01-15 | 第一拖拉机股份有限公司 | Oil separator of ventilating device of crankcase of internal combustion engine |
| CN204060849U (en) * | 2014-08-13 | 2014-12-31 | 宁波市鄞州德来特技术有限公司 | Multifunctional oil drain pan |
| CN105134400A (en) * | 2015-09-01 | 2015-12-09 | 东风朝阳朝柴动力有限公司 | Grid type cooling structure between engine body cylinder holes of diesel engine |
| CN206054118U (en) * | 2016-10-13 | 2017-03-29 | 广西玉柴机器股份有限公司 | The cylinder block of diesel engine |
-
2016
- 2016-10-13 CN CN201610895312.2A patent/CN106438085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201502444U (en) * | 2009-02-17 | 2010-06-09 | 扬州柴油机有限责任公司 | Internal-combustion engine body for controlling the flow of cooling fluid in cylinder |
| CN201396219Y (en) * | 2009-03-31 | 2010-02-03 | 南通柴油机股份有限公司 | Line four-valve series diesel engine tunnel crankcase machine body with cylinder diameter between 138 and 142mm |
| CN203394611U (en) * | 2013-07-22 | 2014-01-15 | 第一拖拉机股份有限公司 | Oil separator of ventilating device of crankcase of internal combustion engine |
| CN204060849U (en) * | 2014-08-13 | 2014-12-31 | 宁波市鄞州德来特技术有限公司 | Multifunctional oil drain pan |
| CN105134400A (en) * | 2015-09-01 | 2015-12-09 | 东风朝阳朝柴动力有限公司 | Grid type cooling structure between engine body cylinder holes of diesel engine |
| CN206054118U (en) * | 2016-10-13 | 2017-03-29 | 广西玉柴机器股份有限公司 | The cylinder block of diesel engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313870A (en) * | 2017-08-25 | 2017-11-03 | 奇瑞汽车股份有限公司 | Water jacket of engine cylinder |
| CN113153560A (en) * | 2021-03-29 | 2021-07-23 | 广西玉柴机器股份有限公司 | Cooling structure between two cylinder holes of cylinder block |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |