CN203670017U - Cylinder block of diesel engine - Google Patents
Cylinder block of diesel engine Download PDFInfo
- Publication number
- CN203670017U CN203670017U CN201420051722.5U CN201420051722U CN203670017U CN 203670017 U CN203670017 U CN 203670017U CN 201420051722 U CN201420051722 U CN 201420051722U CN 203670017 U CN203670017 U CN 203670017U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- hole
- cylinder block
- main bearing
- face
- 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 - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a cylinder block of a diesel engine, and belongs to the technical field of an engine. The circumferential direction of the edge of each cylinder hole is provided with a sawtooth-shaped seal groove, a cam shaft hole of the cylinder block is provided with an arc-shaped cam shaft hole oil tank on a place that an oil hole leads to a main bearing, a main bearing hole is provided with an arc-shaped main bearing hole oil tank on a place where the main bearing hole leads to a main oil channel oil hole position and is connected with the cam shaft oil hole, and three crankcase ventilating holes are formed in the left side of the cylinder block. Each cylinder hole of the cylinder block is provided with four cylinder cover bolt holes, and the threads of the cylinder cover bolt holes adopt non-symmetric threads. The cylinder block is provided with seven cam shaft mounting holes, and a fourth cam shaft hole and a sixth cam shaft hole are not needed to be provided with cam shaft bushings. The cylinder block is compact in structure, reasonable in layout, good in rigidity, high in reliability, good in NHV (Noise Vibration and Harshness), is capable of saving cost, reducing the risk of the cylinder score of the engine, increasing the seal among cylinder blocks, reducing the loss caused by the insufficient lubrication of the engine, and promoting the selectable advantages.
Description
Technical field
The utility model belongs to technical field of engines, particularly a kind of cylinder of diesel engine.
Background technique
Automobile engine cylinder body is the skeleton that forms motor, is the installation basis of the each mechanism of motor and each system, and its inside and outside all major parts and annex that motor is installed, bears various load, and therefore, cylinder block must have enough strength and stiffness.
Along with diesel technology development, heat load and mechanical load that can bear to cylinder block are had higher requirement, and the volume to cylinder block and weight also have strict restriction simultaneously.Need motor can bear high pressure of explosion requirement, improve complete machine rigidity and functional reliability.
Summary of the invention
The purpose of this utility model is exactly in order to overcome the deficiencies in the prior art, and a kind of compact structure is provided, each reasonable structural arrangement, and stiffness is good, the cylinder of diesel engine that reliability is high.
To achieve these goals, the utility model adopts following technological scheme:
A kind of cylinder of diesel engine, comprise front-end face, ear end face, upper-end surface, lower end surface and left surface and right flank, front-end face is gear chamber junction surface, ear end face is flywheel casing connecting end surface, cylinder block front-end face and ear end face are provided with camshaft mounting hole, cylinder block upper-end surface is provided with six cylinder-bore, described cylinder block lower end surface is crankcase transition plate junction surface, crankcase bottom surface You Qi road main bearing wall, main bearing wall and suspension type bearing cap composition main bearing hole, at the edge of each cylinder-bore, circumferencial direction is provided with zigzag fashion seal groove, cylinder block camshaft hole leads to main bearing place at oilhole and is provided with arc-shaped cam axis hole oil groove, main bearing hole is leading to main oil gallery oil-hole location and is being connected camshaft oilhole place and is provided with arc main bearing hole oil groove, the left surface of cylinder block is provided with three crankcase ventilation holes.
Each cylinder-bore of cylinder block is provided with four cylinder bolt holes, and cylinder bolt hole screw thread adopts asymmetric screw thread.
Cylinder block is provided with seven road camshaft mounting holes, wherein first, second and third, five, seven road camshaft holes install cam shaft bushes.
The beneficial effects of the utility model are:
1,, without cylinder sleeve structure, the pressure of explosion that can bear, higher than band cylinder sleeve structure, has improved cylinder block complete machine rigidity and functional reliability.
2, seal groove structure, solves the gas leakage problem between cylinder cap and cylinder block, can increase the sealing between cylinder block.
3, seven road camshaft mounting holes, wherein He six road camshaft holes in Si road do not need to install cam shaft bush, only need five road cam shaft bushes just can bear the load of system, save motor cost.
4, camshaft hole and main bearing hole are provided with tank structure, meet the needs of oil leab pressure and lubricated corresponding bearing, reduce the loss that engine lubrication deficiency causes.
5, three crankcase ventilation holes, meet the requirement of different type of machines different designs, have increased optional advantage.
6, four cylinder bolt holes, asymmetric screw thread, can effectively reduce the distortion of lateral force, thereby reduce engine scuffing risk.
Accompanying drawing explanation
Fig. 1 is the utility model front-end face direction perspective view;
Fig. 2 is the utility model right flank direction perspective view;
Fig. 3 is seal groove schematic diagram;
Fig. 4 is camshaft hole oil groove schematic diagram;
Fig. 5 is main bearing hole oil groove schematic diagram;
Wherein, 1, front-end face, 2, ear end face, 3, upper-end surface, 4, lower end surface, 5, left surface, 6, right flank, 7, camshaft hole, 8, cylinder-bore, 9, main bearing wall, 10, main bearing hole, 11, seal groove, 12, cylinder bolt hole, 13, Si road camshaft hole, 14, Liu road camshaft hole, 15, camshaft hole oil groove, 16, main bearing hole oil groove, 17, crankcase ventilation hole.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
As depicted in figs. 1 and 2, cylinder block comprises front-end face 1, ear end face 2, upper-end surface 3, lower end surface 4 and left surface 5, right flank 6.Cylinder block front-end face 1 is gear chamber junction surface, cylinder block ear end face 2 is flywheel casing junction surface, cylinder block front-end face 1 and ear end face 2 are all provided with camshaft mounting hole 7, cylinder block upper-end surface 3 is provided with six cylinder-bore 8, cylinder block lower end surface 4 is crankcase transition plate junction surface, crankcase bottom surface You Qi road main bearing wall 9, main bearing wall 9 and suspension type bearing cap composition main bearing hole 10.
Cylinder block is provided with six cylinder-bore 8, employing can bear high pressure of explosion without cylinder sleeve block structure, improved complete machine rigidity and functional reliability, NVH is good.
Cylinder block upper-end surface 3 is cylinder-bore end face, and as Fig. 3, each cylinder-bore 8 edge circumferencial directions are provided with the seal groove 11 of zigzag fashion, are conducive to strengthen the sealing on cylinder block mating face.Each cylinder-bore 8 is provided with four cylinder bolt holes 12, and cylinder bolt hole screw thread adopts asymmetric screw thread, and this structure can reduce the lateral force that bolt bears, and reduces the distortion of bolt hole.
Cylinder block is provided with seven road camshaft mounting holes 7, and wherein camshaft hole 13 He six road camshaft holes 14 in Si road do not need to install cam shaft bush, and five road cam shaft bushes can bear the load of system, saves motor cost.
As Fig. 5, cylinder block camshaft hole 7 leads to main bearing place at oilhole and is provided with arc-shaped cam axis hole oil groove 15.As Fig. 4, main bearing hole 10 is leading to main oil gallery oil-hole location and is being connected camshaft oilhole place and is provided with arc main bearing hole oil groove 16, is beneficial to storage machine oil.
Cylinder block left surface 5 is provided with three crankcase ventilation holes 17, can select suitable crankcase ventilation hole according to actual demand, and the layout of being convenient to deaerator is installed.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (3)
1. a cylinder of diesel engine, comprise front-end face (1), ear end face (2), upper-end surface (3), lower end surface (4) and left surface (5) and right flank (6), front-end face (1) is gear chamber junction surface, ear end face (2) is flywheel casing end face, cylinder block front-end face (1) and ear end face (2) are provided with camshaft mounting hole (7), cylinder block upper-end surface (3) is provided with six cylinder-bore (8), cylinder block lower end surface (4) is crankcase transition plate junction surface, crankcase bottom surface You Qi road main bearing wall (9), main bearing wall (9) and suspension type bearing cap composition main bearing hole (10), it is characterized in that, be provided with the seal groove (11) of zigzag fashion at the edge circumferencial direction of each cylinder-bore (8), cylinder block camshaft hole (7) leads to main bearing place at oilhole and is provided with arc-shaped cam axis hole oil groove (15), main bearing hole (10) is leading to main oil gallery oil-hole location and is being connected camshaft oilhole place and is provided with arc main bearing hole oil groove (16), the left surface (5) of cylinder block is provided with three crankcase ventilation holes (17).
2. cylinder block according to claim 1, is characterized in that, each cylinder-bore (8) of described cylinder block is provided with four cylinder bolt holes (12), and cylinder bolt hole screw thread adopts asymmetric screw thread.
3. cylinder block according to claim 1 and 2, is characterized in that, described cylinder block is provided with seven road camshaft mounting holes (7), wherein first, second and third, five, seven road camshaft holes install cam shaft bushes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051722.5U CN203670017U (en) | 2014-01-26 | 2014-01-26 | Cylinder block of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051722.5U CN203670017U (en) | 2014-01-26 | 2014-01-26 | Cylinder block of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670017U true CN203670017U (en) | 2014-06-25 |
Family
ID=50966325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051722.5U Expired - Lifetime CN203670017U (en) | 2014-01-26 | 2014-01-26 | Cylinder block of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121111A (en) * | 2014-08-12 | 2014-10-29 | 广西玉柴机器股份有限公司 | Diesel engine cylinder block |
| CN112983638A (en) * | 2021-02-18 | 2021-06-18 | 第一拖拉机股份有限公司 | Non-road diesel engine body |
-
2014
- 2014-01-26 CN CN201420051722.5U patent/CN203670017U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121111A (en) * | 2014-08-12 | 2014-10-29 | 广西玉柴机器股份有限公司 | Diesel engine cylinder block |
| CN112983638A (en) * | 2021-02-18 | 2021-06-18 | 第一拖拉机股份有限公司 | Non-road diesel engine body |
| CN112983638B (en) * | 2021-02-18 | 2022-04-01 | 第一拖拉机股份有限公司 | Non-road diesel engine body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: 311232, No. 699, No. six, Red Thai farm, Xiaoshan economic and Technological Development Zone, Xiaoshan District, Hangzhou, Zhejiang Patentee after: CHINA NATIONAL HEAVY DUTY TRUCK GROUP HANGZHOU ENGINE Co.,Ltd. Address before: 250002 Ji'nan, central city, Shandong hero hill road, No. 165 Patentee before: China National Heavy Duty Truck Group Jinan Power Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
|
| CX01 | Expiry of patent term |