CN105781773A - Dry-wet mixing form air cylinder sleeve and air cylinder body structure - Google Patents
Dry-wet mixing form air cylinder sleeve and air cylinder body structure Download PDFInfo
- Publication number
- CN105781773A CN105781773A CN201610269707.1A CN201610269707A CN105781773A CN 105781773 A CN105781773 A CN 105781773A CN 201610269707 A CN201610269707 A CN 201610269707A CN 105781773 A CN105781773 A CN 105781773A
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- China
- Prior art keywords
- cylinder
- cylinder jacket
- air cylinder
- dry
- 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.)
- Pending
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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
-
- 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
- F02F1/004—Cylinder liners
-
- 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
- F02F1/16—Cylinder liners of wet type
- F02F1/163—Cylinder liners of wet type the liner being midsupported
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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 relates to a dry-wet mixing form air cylinder sleeve and air cylinder body structure. The dry-wet mixing form air cylinder sleeve and air cylinder body structure comprises an air cylinder body and air cylinder sleeves. Each air cylinder sleeve comprises an upper thick-wall section and a lower thin-wall section, wherein a peripheral supporting face is arranged at the upper end of the thick-wall section, and a supporting shoulder is formed at the joint of the thick-wall section and the thin-wall section. An inner hole supporting face is arranged at the position, close to an opening, of the upper end of each cylinder chamber and matched and positioned with the corresponding peripheral supporting face. A positioning supporting barrel is arranged in the lower portion of each cylinder chamber, wherein the outer wall of the positioning supporting barrel and the inner wall of the corresponding cylinder chamber are connected into a whole through a supporting connecting plate, and a step supporting face is arranged on the top of the positioning supporting barrel. The supporting shoulder of each air cylinder sleeve and the step supporting face on the top of the corresponding positioning supporting barrel are in sealing fit positioning. The thin-wall section of each air cylinder sleeve is assembled in the corresponding positioning supporting barrel in a clearance fit manner. A cavity is formed in the inner wall of the part, outside the thick-wall section of the corresponding air cylinder sleeve, of each cylinder chamber. A water jacket cavity is defined by the outer wall of each air cylinder sleeve, the outer wall of the corresponding positioning supporting barrel, the inner wall of the corresponding cylinder chamber, the corresponding supporting connecting plate and a partition plate and surrounds the corresponding air cylinder sleeve. According to the dry-wet mixing form air cylinder sleeve and air cylinder body structure, dry and wet mixing of the air cylinder sleeves is achieved.
Description
Technical field
The present invention relates to a kind of cylinder jacket suitable in multi-cylinder diesel engine and block structure, specifically the cylinder jacket of dry and wet mixed form and block structure, belong to Structure of Internal-Combustion Engine technical field.
Background technology
Along with the development of internal-combustion engine technology, discharge index and cost-effectiveness requirement are more and more higher, the power per liter of electromotor also improves constantly simultaneously, and the reliability of electromotor, noise requirements and later maintenance are just proposed baptism by this.Cylinder jacket and block structure are the important basic parts of electromotor, and their structure configuration and reliability directly affect the discharge of electromotor, life-span, economy and noise level.
Traditional air cylinder sleeve of engine and block structure are divided into monoblock type, dry type and wet type three kinds mostly.These three kinds of configurations are respectively arranged with pluses and minuses, wherein: but monolithic construction is compact simple manufactures and later period maintenance cost height；Dry construction intensity is good, it is little to deform, but the requirement on machining accuracy of cylinder block and cylinder jacket is high；But the low structure of wet type cost is complicated, the bad control of cylinder-liner distortion simultaneously.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, cylinder jacket and the block structure of a kind of dry and wet mixed form are provided, its structure is ingenious, reliable, reasonable, the advantage fully having drawn dry, wet two kinds of cylinder jacket, realize the dry-and-wet combined of cylinder jacket, workable, it is that a kind of brand-new structure arranges selection.
According to technical scheme provided by the invention: the cylinder jacket of dry and wet mixed form and block structure, including cylinder block and cylinder jacket, described cylinder block is provided with multiple cylinder chamber, is separated by dividing plate between adjacent cylinder chamber, one cylinder jacket of corresponding assembling in each cylinder chamber；It is characterized in that: described cylinder jacket includes the heavy wall section on top and the thin segment of bottom, the upper end of described heavy wall section is provided with the junction of peripheral support face, heavy wall section and thin segment and forms support shoulder；Described cylinder chamber upper end is provided with endoporus supporting surface near opening part, and described endoporus supporting surface coordinates location with described peripheral support face；Being provided with location support tube in described cylinder chamber bottom, the outer wall of described location support tube is connected as a single entity by supporting the inwall of connecting plate and cylinder chamber, and the top of location support tube is provided with step supporting surface；The shoulder that supports of described cylinder jacket coordinates location with the step supporting surface sealing at support tube top, location, and the thin segment of cylinder jacket is assemblied in the support tube of location with gap fiting mode；Cylinder chamber inwall outside described cylinder jacket heavy wall section is provided with cavity, and described cylinder jacket outer wall, location support drum outer wall, cylinder chamber inwall, support connecting plate and dividing plate and surround a water-jacket space around cylinder jacket.
As a further improvement on the present invention, the wall thickness of described cylinder jacket top heavy wall section is 4 ~ 12mm, and the wall thickness of bottom thin segment is 2 ~ 8mm.
As a further improvement on the present invention, length is cylinder jacket total length the 20% ~ 40% of described heavy wall section.
As a further improvement on the present invention, described thin segment is 0.02 ~ 0.2mm with the fit clearance of location support tube.
As a further improvement on the present invention, the wall thickness of described location support tube is 2 ~ 8mm, and it is 3 ~ 10mm that location supports drum outer wall surface with cylinder chamber inner wall surface distance diametrically.
As a further improvement on the present invention, described support connecting plate is positioned at support drum outer wall bottom, location.
As a further improvement on the present invention, the thickness of described support connecting plate is 10 ~ 20mm.
As a further improvement on the present invention, described dividing plate being provided with water hole, water-jacket space corresponding to each cylinder chamber is connected by described water hole.
As a further improvement on the present invention, described water hole is vertical elongated hole, and the width in water hole is 3 ~ 8mm, is highly 10 ~ 30mm.
Compared with the prior art this new structure, has the advantage that
1), that the present invention designs is ingenious, reliable, reasonable, and it is by respective outer side edges design of cylinder block and cylinder jacket, it is achieved the dry-and-wet combined of cylinder jacket, workable.
2), the advantage that the present invention has fully drawn dry, wet two kinds of cylinder jacket, for the working characteristics in electromotor actual motion, adopting in upper pyrometer region cylinder jacket directly to contact the scheme of water-jacket space, overcome the defect of dry liner cooling difference, cooling effectiveness is higher；In the region that middle part cylinder liner deformation amount is maximum, location support tube is used to retrain the deformation of cylinder jacket；The region that cooling requirement is less is overlapped in lower cylinder, have employed the structure of similar dry liner, the bottom cooling needs of cylinder jacket can either be met, the shortcoming that can avoid again wet cylinder liner sealed bottom poor reliability, ensure part quality of fit simultaneously, the whole aircraft reliability of electromotor, discharge, noise etc. are had good improvement effect.
3), this new structure characteristics of compact layout, the lifting of the power per liter being especially suitable for old money type improves, can arrange that when former cylinder centre line spacing is constant the cylinder jacket of relatively large-diameter is without worrying structural strength and cooling effectiveness, relative to the monoblock type scheme without cylinder sleeve, the later maintenance cost of the present invention is lower, safeguards more convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of cylinder block in Fig. 1.
Fig. 3 is A-A in Fig. 2 to partial sectional view.
Fig. 4 is the structural representation of cylinder jacket in Fig. 1.
Description of reference numerals: 1-cylinder block, 1a-dividing plate, 1b-endoporus supporting surface, 1c-location support tube, 1d-support connecting plate, 1e-step supporting surface, 1f-water hole, 2-cylinder jacket, 2a-heavy wall section, 2b-thin segment, 2c-peripheral support face, 2d-support shoulder, 3-water-jacket space.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, this new structure is described further.
As shown in Fig. 1 ~ Fig. 4, the cylinder jacket of the dry and wet mixed form in embodiment and block structure are mainly made up of cylinder block 1 and cylinder jacket 2, described cylinder block 1 is provided with multiple cylinder chamber, is separated by dividing plate 1a between adjacent cylinder chamber, one cylinder jacket 2 of corresponding assembling in each cylinder chamber.
As shown in Fig. 1 ~ Fig. 4, described cylinder jacket 2 includes the heavy wall section 2a on top and the thin segment 2b of bottom, and the upper end of described heavy wall section 2a is provided with the junction of peripheral support face 2c, heavy wall section 2a and thin segment 2b and forms support shoulder 2d；Described cylinder chamber upper end is provided with endoporus supporting surface 1b near opening part, and described endoporus supporting surface 1b coordinates location with described peripheral support face 2c；Being provided with location support tube 1c in described cylinder chamber bottom, the outer wall of described location support tube 1c is connected as a single entity by supporting the inwall of connecting plate 1d and cylinder chamber, and the top of location support tube 1c is provided with step supporting surface 1e；The shoulder 2d that supports of described cylinder jacket 2 coordinates location with the step supporting surface 1e sealing at support tube 1c top, location, and the thin segment 2b of cylinder jacket 2 is assemblied in the support tube 1c of location with gap fiting mode；Cylinder chamber inwall outside described cylinder jacket 2 heavy wall section 2a is provided with cavity, and described cylinder jacket 2 outer wall, location support tube 1c outer wall, cylinder chamber inwall, support connecting plate 1d and dividing plate 1a surround a water-jacket space 3 around cylinder jacket 2.In order to ensure the sealing of water-jacket space 3, described endoporus supporting surface 1b can increase head gasket auxiliary seal with described peripheral support face 2c when coordinating.
In the present invention, the heavy wall section 2a on described cylinder jacket 2 top is used for ensureing cylinder jacket 2 intensity, and the wall thickness of heavy wall section 2a is 4 ~ 12mm, and the length of heavy wall section 2a is the 20% ~ 40% of cylinder jacket 2 total length；The thin segment 2b of described cylinder jacket 2 bottom is used for ensureing compact conformation and good cooling effect, and the wall thickness of thin segment 2b is 2 ~ 8mm.
In the present invention, the effect of described location support tube 1c is that the region that cylinder jacket 2 deflection is maximum is retrained, to reduce the deformation of cylinder jacket 2, location support tube 1c and the thin segment 2b of cylinder jacket 2 is that small-gap suture coordinates herein, and in general thin segment 2b is 0.02 ~ 0.2mm with the fit clearance of location support tube 1c.
In the present invention, the wall thickness of described location support tube 1c is 2 ~ 8mm, and location support tube 1c outer wall surface is 3 ~ 10mm with cylinder chamber inner wall surface distance diametrically.Described support connecting plate 1d is positioned at support tube 1c outer wall bottom, location, supports connecting plate 1d and also plays a part water-jacket space 3 and the crankshaft cavity of separation gas cylinder body 1.For ensureing structural strength, the thickness of described support connecting plate 1d is 10 ~ 20mm.
In the present invention, described dividing plate 1a being provided with water hole 1f, water-jacket space 3 corresponding to each cylinder chamber is connected by described water hole 1f.Described water hole 1f is preferably vertical elongated hole, and the width of water hole 1f is 3 ~ 8mm, is highly 10 ~ 30mm.In general, the dividing plate 1a of adjacent cylinder chamber is provided with two water hole 1f.
Claims (9)
1. the cylinder jacket of dry and wet mixed form and block structure, including cylinder block (1) and cylinder jacket (2), described cylinder block (1) is provided with multiple cylinder chamber, is separated by dividing plate (1a) between adjacent cylinder chamber, one cylinder jacket (2) of corresponding assembling in each cylinder chamber；It is characterized in that: described cylinder jacket (2) includes the heavy wall section (2a) on top and the thin segment (2b) of bottom, the upper end of described heavy wall section (2a) is provided with the junction of peripheral support face (2c), heavy wall section (2a) and thin segment (2b) and forms support shoulder (2d)；Described cylinder chamber upper end is provided with endoporus supporting surface (1b) near opening part, and described endoporus supporting surface (1b) coordinates location with described peripheral support face (2c)；Being provided with location support tube (1c) in described cylinder chamber bottom, the outer wall of described location support tube (1c) is connected as a single entity by supporting the inwall of connecting plate (1d) and cylinder chamber, and the top of location support tube (1c) is provided with step supporting surface (1e)；The support shoulder (2d) of described cylinder jacket (2) seals with the step supporting surface (1e) at support tube (1c) top, location and coordinates location, and the thin segment (2b) of cylinder jacket (2) is assemblied in location support tube (1c) with gap fiting mode；Described cylinder jacket (2) heavy wall section (2a) cylinder chamber inwall outward is provided with cavity, and described cylinder jacket (2) outer wall, location support tube (1c) outer wall, cylinder chamber inwall, support connecting plate (1d) and dividing plate (1a) surround a water-jacket space (3) around cylinder jacket (2).
2. the cylinder jacket of dry and wet mixed form as claimed in claim 1 and block structure, it is characterised in that: the wall thickness on described cylinder jacket (2) top heavy wall section (2a) is 4 ~ 12mm, and the wall thickness of bottom thin segment (2b) is 2 ~ 8mm.
3. the cylinder jacket of dry and wet mixed form as claimed in claim 1 and block structure, it is characterised in that: length is cylinder jacket (2) total length the 20% ~ 40% of described heavy wall section (2a).
4. the cylinder jacket of dry and wet mixed form as claimed in claim 1 and block structure, it is characterised in that: the fit clearance of described thin segment (2b) and location support tube (1c) is 0.02 ~ 0.2mm.
5. the cylinder jacket of dry and wet mixed form as claimed in claim 1 and block structure, it is characterised in that: the wall thickness of described location support tube (1c) is 2 ~ 8mm, and location support tube (1c) outer wall surface is 3 ~ 10mm with cylinder chamber inner wall surface distance diametrically.
6. the cylinder jacket of dry and wet mixed form as claimed in claim 1 and block structure, it is characterised in that: described support connecting plate (1d) is positioned at support tube (1c) outer wall bottom, location.
7. the cylinder jacket of dry and wet mixed form as claimed in claim 1 and block structure, it is characterised in that: the thickness of described support connecting plate (1d) is 10 ~ 20mm.
8. the cylinder jacket of dry and wet mixed form as claimed in claim 1 and block structure, it is characterised in that: being provided with water hole (1f) on described dividing plate (1a), water-jacket space (3) corresponding to each cylinder chamber is connected by described water hole (1f).
9. the cylinder jacket of dry and wet mixed form as claimed in claim 8 and block structure, it is characterised in that: described water hole (1f) is vertical elongated hole, and the width of water hole (1f) is 3 ~ 8mm, is highly 10 ~ 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269707.1A CN105781773A (en) | 2016-04-27 | 2016-04-27 | Dry-wet mixing form air cylinder sleeve and air cylinder body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269707.1A CN105781773A (en) | 2016-04-27 | 2016-04-27 | Dry-wet mixing form air cylinder sleeve and air cylinder body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105781773A true CN105781773A (en) | 2016-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610269707.1A Pending CN105781773A (en) | 2016-04-27 | 2016-04-27 | Dry-wet mixing form air cylinder sleeve and air cylinder body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105781773A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084066A (en) * | 2017-06-16 | 2017-08-22 | 山东达睿智能设备股份有限公司 | A kind of wear-resisting half dry type cylinder jacket |
| CN107091164A (en) * | 2017-07-05 | 2017-08-25 | 潍柴动力股份有限公司 | A kind of diesel engine and its body water jacket |
| CN108457763A (en) * | 2018-03-23 | 2018-08-28 | 浙江吉利控股集团有限公司 | A kind of air cylinder sleeve of engine |
| CN110578612A (en) * | 2019-09-18 | 2019-12-17 | 广西玉柴机器股份有限公司 | cylinder body structure capable of reducing S deformation of cylinder sleeve |
| WO2024021795A1 (en) * | 2022-07-29 | 2024-02-01 | 浙江春风动力股份有限公司 | All-terrain vehicle and powertrain thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3568573A (en) * | 1969-06-25 | 1971-03-09 | Caterpillar Tractor Co | Cylinder liner support |
| US4562799A (en) * | 1983-01-17 | 1986-01-07 | Cummins Engine Company, Inc. | Monolithic ceramic cylinder liner and method of making same |
| CN1118409A (en) * | 1994-04-20 | 1996-03-13 | 本田技研工业株式会社 | Cylinder block |
| CN2906087Y (en) * | 2006-04-30 | 2007-05-30 | 广西玉柴机器股份有限公司 | Cooling structure for diesel engine cylinder |
| DE102009043566A1 (en) * | 2009-09-30 | 2011-04-07 | Mahle International Gmbh | Cylinder crankcase for use in internal combustion engine of motor vehicle, has cylinder liner or assembly comprising outer shell surface with axial area surrounded by chamber, where lower area of surface is connected with crankcase casting |
| CN201972798U (en) * | 2011-01-20 | 2011-09-14 | 上海汽车集团股份有限公司 | Air cylinder structure |
| CN205618258U (en) * | 2016-04-27 | 2016-10-05 | 江苏四达动力机械集团有限公司 | Do cylinder jacket gentleness cylinder structure of wet mixing form |
-
2016
- 2016-04-27 CN CN201610269707.1A patent/CN105781773A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3568573A (en) * | 1969-06-25 | 1971-03-09 | Caterpillar Tractor Co | Cylinder liner support |
| US4562799A (en) * | 1983-01-17 | 1986-01-07 | Cummins Engine Company, Inc. | Monolithic ceramic cylinder liner and method of making same |
| CN1118409A (en) * | 1994-04-20 | 1996-03-13 | 本田技研工业株式会社 | Cylinder block |
| CN2906087Y (en) * | 2006-04-30 | 2007-05-30 | 广西玉柴机器股份有限公司 | Cooling structure for diesel engine cylinder |
| DE102009043566A1 (en) * | 2009-09-30 | 2011-04-07 | Mahle International Gmbh | Cylinder crankcase for use in internal combustion engine of motor vehicle, has cylinder liner or assembly comprising outer shell surface with axial area surrounded by chamber, where lower area of surface is connected with crankcase casting |
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| CN205618258U (en) * | 2016-04-27 | 2016-10-05 | 江苏四达动力机械集团有限公司 | Do cylinder jacket gentleness cylinder structure of wet mixing form |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084066A (en) * | 2017-06-16 | 2017-08-22 | 山东达睿智能设备股份有限公司 | A kind of wear-resisting half dry type cylinder jacket |
| CN107091164A (en) * | 2017-07-05 | 2017-08-25 | 潍柴动力股份有限公司 | A kind of diesel engine and its body water jacket |
| CN107091164B (en) * | 2017-07-05 | 2019-09-27 | 潍柴动力股份有限公司 | A kind of diesel engine and its body water jacket |
| CN108457763A (en) * | 2018-03-23 | 2018-08-28 | 浙江吉利控股集团有限公司 | A kind of air cylinder sleeve of engine |
| CN108457763B (en) * | 2018-03-23 | 2020-03-24 | 贵州吉利发动机有限公司 | Engine cylinder sleeve |
| CN110578612A (en) * | 2019-09-18 | 2019-12-17 | 广西玉柴机器股份有限公司 | cylinder body structure capable of reducing S deformation of cylinder sleeve |
| WO2024021795A1 (en) * | 2022-07-29 | 2024-02-01 | 浙江春风动力股份有限公司 | All-terrain vehicle and powertrain thereof |
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Application publication date: 20160720 |
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