CN217002075U - Compact diesel engine body cooling water jacket - Google Patents
Compact diesel engine body cooling water jacket Download PDFInfo
- Publication number
- CN217002075U CN217002075U CN202220869183.0U CN202220869183U CN217002075U CN 217002075 U CN217002075 U CN 217002075U CN 202220869183 U CN202220869183 U CN 202220869183U CN 217002075 U CN217002075 U CN 217002075U
- Authority
- CN
- China
- Prior art keywords
- water
- annular cooling
- cooling
- inlet
- diesel engine
- 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.)
- Active
Links
Images
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a cooling water jacket of a compact diesel engine body, which comprises an upper-layer water distribution channel, a lower-layer water distribution channel and a cylinder body cooling water jacket; the cylinder block cooling water jacket comprises a plurality of annular cooling cavities, and the top ends of the annular cooling cavities are provided with water feeding holes; the upper-layer water distribution channel comprises a plurality of water distribution channels for distributing cooling water flowing into the cooling water jacket, one side of the annular cooling cavity, which is close to the upper-layer water distribution channel, is provided with liquid inlets in one-to-one correspondence with the water distribution channels, and the water distribution channels are respectively connected with the liquid inlets; the number of the water distribution channels is larger than that of the annular cooling cavities; the cooling efficiency of the peripheral water jacket of the cylinder body of the diesel engine with the small cylinder center distance is improved, and the reliability of the diesel engine is ensured; meanwhile, the casting production is convenient.
Description
Technical Field
The utility model belongs to the technical field of internal combustion engines, and particularly relates to a compact diesel engine body cooling water jacket.
Background
During the operation of the engine, a great deal of heat is generated due to the combustion of fuel and the friction between moving parts, so that the parts are heated intensively. Therefore, the cooling system is one of indispensable systems for diesel engines, and effective cooling is necessary to ensure engine reliability and durability. The cooling system of the diesel engine mainly has the function of dissipating heat of heated parts, such as a cylinder cover, a cylinder sleeve, a piston ring, an air valve and the like, into the atmosphere, so that the normal working temperature of the diesel engine is ensured.
The cooling system mainly comprises a water pump, a fan, a radiator, a thermostat, a cooling water jacket and the like. The water jacket transfers heat generated from the engine combustion chamber to the coolant by heat conduction, and thus its structure directly affects the engine cooling efficiency and the heat load of high-temperature components. For a compact diesel engine, under the condition of a certain cylinder diameter, the space of a water jacket between two cylinders is narrow, and if the compact diesel engine is manufactured by adopting a casting mode, sand is easy to stick; if the water jacket sand core is thickened, the strength of the cylinder hole is affected, and the deformation of the cylinder hole is increased.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to solve the above-mentioned deficiencies of the prior art, the present invention aims to provide a compact cooling water jacket for a diesel engine body, which improves the cooling efficiency of the small cylinder center from the peripheral water jacket of the diesel engine cylinder body, and ensures the reliability of the diesel engine; meanwhile, the casting production is convenient.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a compact diesel engine body cooling water jacket comprises an upper layer water distribution channel, a lower layer water distribution channel and a cylinder body cooling water jacket; the cylinder block cooling water jacket comprises a plurality of annular cooling cavities, and the top ends of the annular cooling cavities are provided with water feeding holes; the upper-layer water distribution channel comprises a plurality of water distribution channels for distributing cooling water flowing into the cooling water jacket, liquid inlets corresponding to the water distribution channels one by one are formed in one side, close to the upper-layer water distribution channel, of the annular cooling cavity, and the water distribution channels are connected with the liquid inlets respectively; the number of the water diversion channels is larger than that of the annular cooling cavities;
a cast solid body is arranged between the adjacent annular cooling cavities, and two crossed machining circular holes for cooling liquid to flow through are formed in the solid body; the bottom of the adjacent annular cooling cavity is provided with a partition plate for fixing the water jacket sand cores on two sides of the cylinder block, and the connecting part of the partition plate and the water jacket sand cores is provided with a long hole;
the sand core between the adjacent annular cooling cavities comprises an upper sand core and a lower sand core, and the radius of the round corner of the upper sand core is larger than that of the round corner of the lower sand core.
Further, the annular cooling chamber includes first annular cooling chamber, second annular cooling chamber, third annular cooling chamber and fourth annular cooling chamber, the inlet includes first inlet, second inlet, third liquid inlet, fourth inlet and fifth inlet, first inlet sets up the right side in first annular cooling chamber, the second inlet sets up the right side in second annular cooling chamber, the third liquid inlet sets up the left side in third annular cooling chamber, the fourth inlet sets up the right side in third annular cooling chamber, the fifth inlet sets up the centre in fourth annular cooling chamber.
Furthermore, the cross sections of the first liquid inlet, the second liquid inlet, the third liquid inlet and the fifth liquid inlet are rectangular, and the cross section of the fourth liquid inlet is circular.
Further, the number of the water diversion channels is five.
Furthermore, the water diversion channel comprises a first water diversion channel, a second water diversion channel, a third water diversion channel, a fourth water diversion channel and a fifth water diversion channel.
Further, the inner diameter of the annular cooling chamber is matched with the diameter of the cylinder hole.
Furthermore, the sand core below adopts a small round corner structure.
Furthermore, chamfers are arranged on two sides of the upper end of the partition board.
The utility model has the beneficial effects that:
the application of cooling jacket sets up alternately machining round hole, adopts processing round hole scheme, improves jar hole intensity in the increase cylinder diameter, reduces jar hole deflection, can increase the diesel engine discharge capacity, and the simultaneous processing round hole scheme can reduce the casting degree of difficulty, conveniently clears sand.
The cooling water jacket comprises an upper layer of water distribution channel and a lower layer of water distribution channel and a cylinder body cooling water jacket, so that the cooling efficiency of the small cylinder center from the peripheral water jacket of the cylinder body of the diesel engine is improved, and the reliability of the diesel engine is ensured; meanwhile, the casting production is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a cooling water jacket according to the present invention;
FIG. 2 is a longitudinal cross-sectional view between annular cooling cavities in accordance with the present invention;
FIG. 3 is a top view of the cooling water jacket structure according to the present invention;
fig. 4 is a schematic structural diagram of a cooling water jacket partition plate according to the present invention.
Reference numerals: 1. the lower-layer water distribution channel 2, the upper-layer water distribution channel 3, the cylinder block cooling water jacket 4, the water feeding hole 5, the first water distribution channel 6, the second water distribution channel 7, the third water distribution channel 8, the fourth water distribution channel 9, the fifth water distribution channel 10, the cross machining circular hole 11, the partition plate 12, the upper sand core 13, the lower sand core 14, the annular cooling cavity 141, the first annular cooling cavity 142, the second annular cooling cavity 143, the third annular cooling cavity 144 and the fourth annular cooling cavity.
Detailed Description
The following specific examples are given to further clarify, complete and detailed the technical solution of the present invention. The present embodiment is a preferred embodiment based on the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, a compact diesel engine body cooling water jacket comprises an upper layer water distribution channel 2, a lower layer water distribution channel 1 and a cylinder body cooling water jacket 3; the cylinder block cooling water jacket 3 comprises a plurality of annular cooling cavities 14, and the top ends of the annular cooling cavities 14 are provided with water feeding holes 4; the upper-layer water distribution channel 2 comprises a plurality of water distribution channels for distributing cooling water flowing into the cooling water jacket, liquid inlets corresponding to the water distribution channels one by one are formed in one side, close to the upper-layer water distribution channel 2, of the annular cooling cavity 14, and the water distribution channels are connected with the liquid inlets respectively; the number of the water diversion channels is larger than that of the annular cooling cavities 14;
the cooling liquid is pressurized by a water pump to enter a lower-layer water distribution channel 1, enters the engine oil cooler through the lower-layer water distribution channel 1 to cool engine oil, comes out of the engine cooler and then enters an upper-layer water distribution channel 2, and respectively enters the cylinder block cooling water jacket 3 through the water distribution channels of the upper-layer water distribution channel 2, and flows through the periphery of the cylinder block to absorb the heat of the cylinder and then flows into the cylinder head cooling water jacket through the upper water holes 4.
As shown in fig. 2, a cast solid body is arranged between adjacent annular cooling cavities 14, and two cross machining circular holes 10 for cooling liquid to flow through are arranged on the solid body; so that the cooling liquid can flow through the cylinder body to achieve the purpose of cooling the cylinder body; under the same cylinder center distance, the scheme of processing the round hole is larger than the cylinder diameter of the cylinder body of the scheme of casting the round hole, so that the discharge capacity of the diesel engine can be increased, and meanwhile, the scheme of processing the round hole can reduce the casting difficulty and is convenient for sand removal.
Furthermore, the bottom of the adjacent annular cooling cavity 14 is provided with a partition plate 11 for fixing water jacket sand cores on two sides of the cylinder block, so that the casting stability is improved, and the partition plate 11 is embedded into the machine body after casting to form a solid body; the partition plate 11 is fixed at the bottom of the water jacket sand core, so that the influence of the partition plate 11 on the water flow of the upper layer of the water jacket of the cylinder body is reduced;
further, as shown in fig. 2, the fillet radius of the sand core 12 above the parting surface of the sand core between the two cylinders of the water jacket of the cylinder block is 6mm, and the fillet radius of the sand core 13 below is 3 mm. The sand cores above and below the two cylinders of the water jacket of the cylinder body are inconsistent, and the sand core 13 below adopts a small round angle structure, so that the length of the partition plate 11 can be reduced, and the influence of the partition plate 11 on the water flow of the lower layer of the water jacket can be reduced.
Further, as shown in fig. 3, the annular cooling cavity 14 includes a first annular cooling cavity 141, a second annular cooling cavity 142, a third annular cooling cavity 143, and a fourth annular cooling cavity 144, the liquid inlets include a first liquid inlet, a second liquid inlet, a third liquid inlet, a fourth liquid inlet, and a fifth liquid inlet, the first liquid inlet is disposed on the right side of the first annular cooling cavity 141, the second liquid inlet is disposed on the right side of the second annular cooling cavity 142, the third liquid inlet is disposed on the left side of the third annular cooling cavity 143, the fourth liquid inlet is disposed on the right side of the third annular cooling cavity 143, and the fifth liquid inlet is disposed in the middle of the fourth annular cooling cavity 144.
Furthermore, the cross sections of the first liquid inlet, the second liquid inlet, the third liquid inlet and the fifth liquid inlet are rectangular, and the cross section of the fourth liquid inlet is circular.
Further, the number of dividing the water passageway is five, divide the water passageway to include first dividing the water passageway 5, second dividing the water passageway 6, third dividing the water passageway 7, fourth dividing the water passageway 8 and fifth dividing the water passageway 9.
Further, the inner diameter of the annular cooling chamber 14 matches the diameter of the cylinder bore.
Further, the lower sand core 13 is of a small round corner structure.
Further, as shown in fig. 4, the partition plate 11 has a length of 55mm, a height of 20mm and a thickness of 3mm, and a long hole is designed at the connection part of the partition plate 11 and the sand core, so that the connection reliability of the sand core and the partition plate 11 can be enhanced, and the stability of the sand core can be improved. And 2mm chamfers are added on two sides of the upper end of the partition plate 11, so that the cutter is prevented from being broken when the cutter is used for machining a round hole between the two cylinders.
The cooling water jacket comprises an upper layer of water distribution channel, a lower layer of water distribution channel and a cylinder body cooling water jacket 3, so that the cooling efficiency of the small cylinder center from the peripheral water jacket of the cylinder body of the diesel engine is improved, and the reliability of the diesel engine is ensured; meanwhile, the casting production is convenient.
The foregoing shows and describes the broad features and general principles of the present invention, as well as the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made to the embodiments without departing from the spirit and scope of the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a compact diesel engine organism cooling water jacket, includes upper water distribution way (2), lower floor water distribution way (1) and cylinder body cooling water jacket (3), its characterized in that: the cylinder block cooling water jacket (3) comprises a plurality of annular cooling cavities (14), and the top ends of the annular cooling cavities (14) are provided with water feeding holes (4); the upper-layer water distribution channel (2) comprises a plurality of water distribution channels for distributing cooling water flowing into the cooling water jacket, one side of the annular cooling cavity (14) close to the upper-layer water distribution channel (2) is provided with liquid inlets corresponding to the water distribution channels one by one, and the water distribution channels are respectively connected with the liquid inlets; the number of the water diversion channels is larger than that of the annular cooling cavities (14);
a cast solid body is arranged between the adjacent annular cooling cavities (14), and two crossed machining circular holes (10) for cooling liquid to flow through are formed in the solid body; the bottom of the adjacent annular cooling cavity (14) is provided with a partition plate (11) for fixing the water jacket sand cores on two sides of the cylinder body, and the connecting part of the partition plate (11) and the water jacket sand cores is provided with a long hole;
the sand core between the adjacent annular cooling cavities (14) comprises an upper sand core (12) and a lower sand core (13), and the fillet radius of the upper sand core (12) is larger than that of the lower sand core (13).
2. The compact diesel engine block cooling water jacket of claim 1, wherein: annular cooling chamber (14) includes first annular cooling chamber (141), second annular cooling chamber (142), third annular cooling chamber (143) and fourth annular cooling chamber (144), the inlet includes first inlet, second inlet, third inlet, fourth inlet and fifth inlet, first inlet sets up the right side of first annular cooling chamber (141), the second inlet sets up the right side of second annular cooling chamber (142), the third inlet sets up the left side of third annular cooling chamber (143), the fourth inlet sets up the right side of third annular cooling chamber (143), the fifth inlet sets up the centre of fourth annular cooling chamber (144).
3. The compact diesel engine block cooling water jacket of claim 2, wherein: the cross sections of the first liquid inlet, the second liquid inlet, the third liquid inlet and the fifth liquid inlet are rectangular, and the cross section of the fourth liquid inlet is circular.
4. The compact diesel engine block cooling jacket of claim 1, wherein: the number of the water distribution channels is five.
5. The compact diesel engine block cooling water jacket of claim 4, wherein: the water diversion channel comprises a first water diversion channel (5), a second water diversion channel (6), a third water diversion channel (7), a fourth water diversion channel (8) and a fifth water diversion channel (9).
6. The compact diesel engine block cooling jacket of claim 1, wherein: the inner diameter of the annular cooling chamber (14) is matched to the diameter of the cylinder bore.
7. The compact diesel engine block cooling jacket of claim 1, wherein: the lower sand core (13) adopts a small round corner structure.
8. The compact diesel engine block cooling jacket of claim 1, wherein: chamfers are arranged on two sides of the upper end of the partition plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220869183.0U CN217002075U (en) | 2022-04-15 | 2022-04-15 | Compact diesel engine body cooling water jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220869183.0U CN217002075U (en) | 2022-04-15 | 2022-04-15 | Compact diesel engine body cooling water jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002075U true CN217002075U (en) | 2022-07-19 |
Family
ID=82377085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220869183.0U Active CN217002075U (en) | 2022-04-15 | 2022-04-15 | Compact diesel engine body cooling water jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002075U (en) |
-
2022
- 2022-04-15 CN CN202220869183.0U patent/CN217002075U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170254298A1 (en) | Cylinder head of an internal combustion engine | |
| CN110594033A (en) | Engine cooling water jacket structure | |
| CN107956590B (en) | Engine cooling system and cooling method thereof | |
| AU2013391199B2 (en) | Water cooling system for a cylinder head of an engine | |
| CN111058959B (en) | Cylinder cover and cylinder cover cooling water cavity structure thereof | |
| CN217002075U (en) | Compact diesel engine body cooling water jacket | |
| CN112576401B (en) | Double-deck cylinder head water jacket, cylinder and vehicle | |
| US11187181B2 (en) | Combustion engine housing having cylinder cooling | |
| CN114233507B (en) | Cooling water jacket of engine cylinder cover | |
| CN214660471U (en) | Engine cooling structure and engine cooling water circulation system | |
| CN215521078U (en) | Diesel engine cylinder body enhanced cooling technology structure | |
| CN102797582B (en) | Water jacket of cylinder body of diesel engine | |
| CN210013764U (en) | Water side unloading groove structure of cylinder cover bottom plate | |
| CN209925109U (en) | Prevent netted water course cylinder head of machine oil coking | |
| CN110131066B (en) | Water side unloading groove structure of bottom plate of cylinder cover | |
| CN209925102U (en) | Cylinder water channel cylinder cover capable of preventing engine oil from coking | |
| CN210289944U (en) | Cylinder head cooling structure, cylinder head and engine | |
| CN216111031U (en) | Cooling water jacket of cylinder head, engine and vehicle | |
| CN215566280U (en) | Water-cooling channel structure of four-valve water-cooling engine cylinder cover of middle and small displacement motorcycle | |
| CN212508557U (en) | Diesel engine body cooling water jacket | |
| CN216741753U (en) | Engine cylinder block water jacket and vehicle | |
| CN113123894B (en) | Enhanced cooling system for diesel engine cylinder block | |
| EP0223158B1 (en) | Perfected internal combustion engine block | |
| CN214997942U (en) | Cylinder head and cylinder | |
| CN220353953U (en) | Cylinder head cooling water jacket, cylinder head, engine and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |