CN205618258U - Do cylinder jacket gentleness cylinder structure of wet mixing form - Google Patents
Do cylinder jacket gentleness cylinder structure of wet mixing form Download PDFInfo
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- CN205618258U CN205618258U CN201620368684.5U CN201620368684U CN205618258U CN 205618258 U CN205618258 U CN 205618258U CN 201620368684 U CN201620368684 U CN 201620368684U CN 205618258 U CN205618258 U CN 205618258U
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Abstract
The utility model relates to a do cylinder jacket gentleness cylinder structure of wet mixing form, including cylinder block and cylinder jacket, the cylinder jacket includes the thick wall section on upper portion and the thin wall section of lower part, and thick wall section upper end is equipped with the periphery and supports the face, and the junction of thick wall section and thin wall section forms supports the shoulder, jar room upper end is close to the opening part and is equipped with the hole holding surface, and the hole holding surface supports face cooperation location with the periphery, be equipped with a location support section of thick bamboo in the lower part of jar room, location support section of thick bamboo outer wall is even as an organic whole with the indoor wall of jar through supporting the connecting plate, and the top of a location support section of thick bamboo is equipped with the step holding surface, the support shoulder of cylinder jacket and the sealed cooperation location of the step holding surface of location support bobbin top portion, the thin wall section of cylinder jacket is assembled in a location support section of thick bamboo with the clearance fit mode, be equipped with the cavity on the indoor wall of jar outside the cylinder jacket thick wall section, cylinder jacket outer wall, location support section of thick bamboo outer wall, the indoor wall of jar, support connecting plate and baffle enclose into a water -jacket space that encircles the cylinder jacket. The utility model discloses a doing wet combination of cylinder jacket.
Description
Technical field
This utility model relates to cylinder jacket and the block structure of a kind of cylinder jacket being applicable to multi-cylinder diesel engine and block structure, specifically dry and wet mixed form, belongs 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 this just proposes baptism to the reliability of electromotor, noise requirements and later maintenance.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 high to the requirement on machining accuracy of cylinder block and cylinder jacket；But wet type low cost structure is complicated, the bad control of cylinder-liner distortion simultaneously.
Summary of the invention
The purpose of this utility model is 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, fully draw dry, the advantage of 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.
The technical scheme provided according to this utility model: 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 heavy wall section and the thin segment of bottom on top, the upper end of described heavy wall section is provided with peripheral support face, and heavy wall section forms support shoulder with the junction of thin segment；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 the inwall of support connecting plate with 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 tube outer wall, cylinder chamber inwall, support connecting plate and dividing plate surround a water-jacket space around cylinder jacket.
As further improvement of the utility model, 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 further improvement of the utility model, the 20% ~ 40% of a length of cylinder jacket total length of described heavy wall section.
As further improvement of the utility model, described thin segment is 0.02 ~ 0.2mm with the fit clearance of location support tube.
As further improvement of the utility model, the wall thickness of described location support tube is 2 ~ 8mm, and location support tube outer wall surface is 3 ~ 10mm with cylinder chamber inner wall surface distance diametrically.
As further improvement of the utility model, described support connecting plate is positioned at support tube outer wall bottom, location.
As further improvement of the utility model, the thickness of described support connecting plate is 10 ~ 20mm.
As further improvement of the utility model, described dividing plate being provided with water hole, water-jacket space corresponding to each cylinder chamber is connected by described water hole.
As further improvement of the utility model, described water hole is vertical elongated hole, and the width in water hole is 3 ~ 8mm, and height is 10 ~ 30mm.
Compared with the prior art this new structure, has the advantage that
1), this utility model design ingenious, reliable, reasonable, it is designed by respective outer side edges of cylinder block and cylinder jacket, it is achieved the dry-and-wet combined of cylinder jacket, workable.
2), this utility model has fully drawn dry, the advantage of wet two kinds of cylinder jacket, for the working characteristics in electromotor actual motion, using 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；In the region that lower cylinder set cooling requirement is less, 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 in the case of former cylinder centre line spacing is constant the cylinder jacket of relatively large-diameter does not worries structural strength and cooling effectiveness, relative to monoblock type without the scheme of cylinder sleeve, later maintenance cost of the present utility model is lower, safeguards more convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the structural representation of cylinder block in Fig. 1.
Fig. 3 is that the A-A in Fig. 2 is 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 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 peripheral support face 2c, and heavy wall section 2a forms support shoulder 2d with the junction of thin segment 2b；Described cylinder chamber upper end is provided with endoporus supporting surface 1b, described endoporus supporting surface 1b near opening part and 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 the inwall of support connecting plate 1d with 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 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 this utility model, 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, the 20% ~ 40% of a length of cylinder jacket 2 total length of heavy wall section 2a；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 this utility model, the effect of described location support tube 1c is to retrain the region that cylinder jacket 2 deflection is maximum, 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 this utility model, 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 to separate water-jacket space 3 and the crankshaft cavity of cylinder block 1.For ensureing structural strength, the thickness of described support connecting plate 1d is 10 ~ 20mm.
In this utility model, 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, and height is 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 peripheral support face (2c), and heavy wall section (2a) forms support shoulder (2d) with the junction of thin segment (2b)；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 the inwall of support connecting plate (1d) with 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: the 20% ~ 40% of a length of cylinder jacket (2) total length 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: described thin segment (2b) is 0.02 ~ 0.2mm with the fit clearance of location support tube (1c).
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, and height is 10 ~ 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620368684.5U CN205618258U (en) | 2016-04-27 | 2016-04-27 | Do cylinder jacket gentleness cylinder structure of wet mixing form |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620368684.5U CN205618258U (en) | 2016-04-27 | 2016-04-27 | Do cylinder jacket gentleness cylinder structure of wet mixing form |
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| CN205618258U true CN205618258U (en) | 2016-10-05 |
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| CN201620368684.5U Active CN205618258U (en) | 2016-04-27 | 2016-04-27 | Do cylinder jacket gentleness cylinder structure of wet mixing form |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781773A (en) * | 2016-04-27 | 2016-07-20 | 江苏四达动力机械集团有限公司 | Dry-wet mixing form air cylinder sleeve and air cylinder body structure |
-
2016
- 2016-04-27 CN CN201620368684.5U patent/CN205618258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781773A (en) * | 2016-04-27 | 2016-07-20 | 江苏四达动力机械集团有限公司 | Dry-wet mixing form air cylinder sleeve and air cylinder body structure |
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| GR01 | Patent grant |