CN105697180A - Layered-cooled cylinder cover - Google Patents
Layered-cooled cylinder cover Download PDFInfo
- Publication number
- CN105697180A CN105697180A CN201610222144.0A CN201610222144A CN105697180A CN 105697180 A CN105697180 A CN 105697180A CN 201610222144 A CN201610222144 A CN 201610222144A CN 105697180 A CN105697180 A CN 105697180A
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- jacket
- cylinder
- water
- block
- 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
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- 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
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
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- 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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- 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
-
- 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
- F02F2200/00—Manufacturing
- F02F2200/06—Casting
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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 layered-cooled cylinder cover. The cylinder cover comprises a cylinder cover water jacket, a water distribution way and a cylinder body water jacket, wherein an inlet end of the water distribution way is used for introducing cooling liquid, and an outlet end of the water distribution way keeps communication with the cylinder cover water jacket through a cylinder cover main upper water hole; an inlet end of the cylinder body water jacket keeps communication with the outlet end of the water distribution way through a cylinder body water jacket water inlet hole; and an outlet end of the cylinder body water jacket keeps communication with the cylinder cover water jacket through a cylinder cover secondary upper water hole. The cylinder cover keeps the temperature of the cooling liquid entering the cylinder body water jacket at an optimal temperature facilitating the operation of an engine, can guarantee the temperature of the cooling liquid entering the cylinder sleeve water jacket to be lower, and can fully and necessarily cool such parts as a nose bridge area, a valve, a valve base ring and a cylinder cover baseplate.
Description
Technical field
The present invention relates to cylinder head cooling field, particularly to a kind of cylinder head being layered cooling。
Background technology
Cylinder head, as a key components and parts of conventional internal combustion, forms the basic framework of electromotor together with cylinder block, cylinder jacket。Cylinder head is installed on cylinder block, and cylinder jacket is installed in the middle of the cylinder-bore of cylinder block, and the combustor of cylinder head and piston, cylinder jacket composition electromotor, piston is reciprocating in cylinder jacket。Cylinder head valve actuating mechanism installed above and cover cap。
Traditional cylinder head is usually a body structure, is made up of the water jacket cavity of air flue, valve mounting struction, cylinder head bolt hole pillar, oilhole pillar, pore pillar and these structure peripheries in casing, and structure is complicated, casting difficulty。During electromotor work, water jacket cavity is full of coolant, and traditional cooling scheme is usually coolant and enters the waste heat produced when cylinder jacket is cooled down and take away electromotor acting by block jacket；Then coolant entered into by head gasket water hole in cylinder head cooling chamber, ridge area, valve and the position such as valve retainer, cylinder head base plate are carried out necessity cooling。
Electromotor is a steady state value with operating mode lower water jacket heat dissipation capacity, therefore through the coolant temperature rise substantially constant of block jacket, and in engine operation process, the temperature of cylinder jacket needs to keep certain temperature to reduce the lubricating oil viscosity on its inwall, thus reduce piston ring, namely piston reduces frictional work, the economy of such guarantee electromotor with the frictional force of cylinder sleeve。The temperature potential entering cylinder head jacket when the temperature of guarantee block jacket is a rational value must be higher。Therefore traditional cooling structure is difficult to when meeting block jacket temperature make cylinder head jacket temperature reduce again。Coolant temperature owing to now entering cylinder head is limited to the cooling of valve and the position such as valve retainer, cylinder head base plate compared with high energy, due to cylinder head key position at relatively high temperatures and the mechanical performance of the situation lower cylinder cover material dispelling the heat bad decline to some extent, the fault such as cylinder head is susceptible to ftracture, leaks, gas leakage。
Therefore traditional cylinder head can take the way of some complex process to ensure for the temperature (such as ridge area etc.) more reducing key position, such as add nozzle in position, ridge area, deflector is added near bolt boss, processing compensating groove etc. between two cylinders, these measures can increase the technology difficulty of cylinder head, process costs and increase cylinder head weight。
It is disclosed in the information of this background section and is merely intended to increase the understanding of the general background to the present invention, and be not construed as admitting or imply in any form that this information structure is for prior art that persons skilled in the art are known。
Summary of the invention
It is an object of the invention to provide the cylinder head of a kind of simple and reasonable layering cooling, the cylinder head of this layering cooling by being divided into two-way by coolant before entering block jacket, one tunnel enters cylinder block and cylinder jacket cools down and takes away the waste heat that burning produces, one road enters into cylinder head to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity, the coolant temperature making entrance block jacket is maintained at the optimum temperature being conducive to electromotor to run, can guarantee that again that the coolant temperature entering cylinder jacket water jacket is relatively low simultaneously, can fully to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity。
For achieving the above object, the invention provides a kind of cylinder head being layered cooling, the cylinder head of this layering cooling includes: cylinder head jacket；Water distribution channel, its entrance point is used for introducing coolant, the port of export of this water distribution channel is connected by the maintenance of cylinder head Your Majesty water hole and described cylinder head jacket, enters into the coolant of cylinder head jacket by cylinder head Your Majesty water hole and ridge area, valve and valve retainer, cylinder head base plate are cooled down by cylinder head；And block jacket, its entrance point keeps connecting with the port of export of described water distribution channel by block jacket inlet opening；The port of export of this block jacket keeps connecting with described cylinder head jacket by water hole in cylinder head pair；Cylinder head pair, the coolant of water hole entrance cylinder head jacket enters outlet pipe either directly through cylinder head jacket。
Preferably, in technique scheme, water distribution channel is arranged in cylinder block or in cylinder head。
Preferably, in technique scheme, block jacket includes the first block jacket and the second block jacket。
Preferably, in technique scheme, cylinder head Your Majesty water hole and in cylinder head pair water hole be casting or be machined into。
Compared with prior art, there is advantages that the cylinder head that this layering cools down is passed through before entering block jacket, coolant is divided into two-way, one tunnel enters cylinder block and cylinder jacket cools down and takes away the waste heat that burning produces, one road enters into cylinder head to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity, the coolant temperature making entrance block jacket is maintained at the optimum temperature being conducive to electromotor to run, can guarantee that again that the coolant temperature entering cylinder jacket water jacket is relatively low simultaneously, can fully to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity。
Accompanying drawing explanation
Fig. 1 is the structural representation of the cylinder head of the layering cooling of the present invention。
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that protection scope of the present invention is not by the restriction of detailed description of the invention。
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or its conversion will be understood to comprise the element or ingredient stated at such as " comprising " or " including " etc., and does not get rid of other element or other ingredient。
As it is shown in figure 1, the concrete structure according to the cylinder head of the layering cooling of the specific embodiment of the invention includes: water hole 2, cylinder head Your Majesty water hole 4 and cylinder head jacket 3 in water distribution channel 7, block jacket inlet opening the 6, first block jacket the 1, second block jacket 5, cylinder head pair。Wherein, coolant in water distribution channel 7 is divided into two-way: a road enters 1,5 pairs of cylinder jacket of block jacket from water distribution channel 7 by block jacket inlet opening 6 and cools down and take away the unnecessary used heat produced working stroke, and coolant enters into cylinder head jacket 3 again through water hole 2 in cylinder head pair；Another road enters into cylinder head jacket 3 from water distribution channel 7 by cylinder head Your Majesty water hole 4 and ridge area, valve and the position such as valve retainer, cylinder head base plate is carried out the cooling of necessity by cylinder head。Cylinder head pair, water hole 2 enters the coolant of cylinder head jacket 3 and enters outlet pipe either directly through cylinder head jacket 3, and this part coolant is not involved in the cooling that cylinder head ridge area, valve and the position such as valve retainer, cylinder head base plate carry out；The coolant temperature entering into cylinder head jacket 3 through cylinder head Your Majesty water hole 4 from water distribution channel 7 is relatively low, the cooling that cylinder head ridge area, valve and the position such as valve retainer, cylinder head base plate will be carried out by this part coolant。Final two parts coolant here converges entrance outlet pipe at cylinder head outlet。
Specifically, the entrance point of water distribution channel 7 is used for introducing coolant, and its port of export connects with block jacket inlet opening 6 and cylinder head Your Majesty water hole 4 respectively。Coolant is divided into two-way after entering water distribution channel 7: a road enters block jacket from water distribution channel 7 by block jacket inlet opening 6 and cylinder jacket cools down and takes away the unnecessary used heat produced working stroke, and coolant enters into cylinder head jacket again through water hole 2 in cylinder head pair；Another road enters into cylinder head jacket 3 from water distribution channel 7 by cylinder head Your Majesty water hole 4 and ridge area, valve and the position such as valve retainer, cylinder head base plate is carried out the cooling of necessity by cylinder head。Preferably, water distribution channel 7 can be arranged in cylinder block and can also be arranged in cylinder head。
Block jacket inlet opening 6 keeps connecting with the first block jacket 1 and the second block jacket 5 respectively。One tunnel of coolant respectively enters the first block jacket 1 and the second block jacket 5 from water distribution channel 7 by block jacket inlet opening 6 and cylinder jacket cools down and takes away the unnecessary used heat produced working stroke。First block jacket 1 keeps connecting with cylinder head jacket 3 by water hole 2 in cylinder head pair with the second block jacket 5。Cylinder head pair, water hole 2 enters the coolant of cylinder head jacket 3 and enters outlet pipe either directly through cylinder head jacket 3, and this part coolant is not involved in the cooling that cylinder head ridge area, valve and the position such as valve retainer, cylinder head base plate carry out。
Cylinder head Your Majesty water hole 4 keeps connecting with cylinder head jacket 3。Another road of coolant enters into cylinder head jacket 3 from water distribution channel 7 by cylinder head Your Majesty water hole 4 and ridge area, valve and the position such as valve retainer, cylinder head base plate is carried out the cooling of necessity by cylinder head。The coolant temperature entering into cylinder head jacket 3 through cylinder head Your Majesty water hole 4 from water distribution channel 7 is relatively low, the cooling that cylinder head ridge area, valve and the position such as valve retainer, cylinder head base plate will be carried out by this part coolant。Final two parts coolant here converges entrance outlet pipe at cylinder head outlet。
Preferably, in cylinder head Your Majesty water hole 4 and cylinder head pair, water hole 2 can also can be got for machining mode for casting。
The cylinder head of this layering cooling goes for there is cylinder head gasket structure engine and without cylinder head gasket structure engine。Dry liner structure engine and wet liner structure engine can well be applicable to。Can well be applicable to there is service branch structure cylinder head and without service branch structure cylinder head。Can well be applicable to there is median septum cylinder head and without median septum structure cylinder head。The air cylinder head structure of this layering cooling can make the coolant temperature in entrance cylinder head reduce, and can reduce the temperature of the key positions such as cylinder head ridge area, base plate largely；Improve the mechanical performance of material；Cylinder cap cracking that cylinder head reliability and in a large number reduce owing to ridge area temperature too high cause can be greatly improved, the faults such as head gasket are rushed in the too high deformation caused of cylinder head plate temperature。
To sum up, the cylinder head of this layering cooling by being divided into two-way by coolant before entering block jacket, one tunnel enters cylinder block and cylinder jacket cools down and takes away the waste heat that burning produces, one road enters into cylinder head to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity, the coolant temperature making entrance block jacket is maintained at the optimum temperature being conducive to electromotor to run, can guarantee that again that the coolant temperature entering cylinder jacket water jacket is relatively low simultaneously, can fully to ridge area, valve and valve retainer, the positions such as cylinder head base plate carry out the cooling of necessity。
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration。These describe and are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned instruction, it is possible to carry out much changing and change。Purpose exemplary embodiment selected and describe is in that to explain the certain principles of the present invention and practical application thereof, so that those skilled in the art is capable of and utilizes the various different exemplary of the present invention and various different selection and change。The scope of the present invention is intended to be limited by claims and equivalents thereof。
Claims (4)
1. the cylinder head being layered cooling, it is characterised in that including:
Cylinder head jacket；
Water distribution channel, its entrance point is used for introducing coolant, the port of export of this water distribution channel is connected by the maintenance of cylinder head Your Majesty water hole and described cylinder head jacket, enters into the coolant of cylinder head jacket by cylinder head Your Majesty water hole and ridge area, valve and valve retainer, cylinder head base plate are cooled down by cylinder head；And
Block jacket, its entrance point keeps connecting with the port of export of described water distribution channel by block jacket inlet opening；The port of export of this block jacket keeps connecting with described cylinder head jacket by water hole in cylinder head pair；Cylinder head pair, the coolant of water hole entrance cylinder head jacket enters outlet pipe either directly through cylinder head jacket。
2. the cylinder head of layering cooling according to claim 1, it is characterised in that described water distribution channel is arranged in cylinder block or in cylinder head。
3. the cylinder head of layering cooling according to claim 1, it is characterised in that described block jacket includes the first block jacket and the second block jacket。
4. the cylinder head of layering cooling according to claim 1, it is characterised in that on described cylinder head Your Majesty water hole and cylinder head pair, water hole is casting or is machined into。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222144.0A CN105697180A (en) | 2016-04-11 | 2016-04-11 | Layered-cooled cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222144.0A CN105697180A (en) | 2016-04-11 | 2016-04-11 | Layered-cooled cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105697180A true CN105697180A (en) | 2016-06-22 |
Family
ID=56219477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610222144.0A Pending CN105697180A (en) | 2016-04-11 | 2016-04-11 | Layered-cooled cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105697180A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956590A (en) * | 2017-11-28 | 2018-04-24 | 东风商用车有限公司 | A kind of engine-cooling system and its cooling means |
| CN108386293A (en) * | 2018-05-02 | 2018-08-10 | 广西玉柴机器股份有限公司 | Diesel engine cylinder cover fixed direction allocation sprays jacket structure for water |
| CN109184935A (en) * | 2018-10-09 | 2019-01-11 | 广西玉柴机器股份有限公司 | The high-order cooling water jacket structure of Combined cylinder lid |
| CN110273776A (en) * | 2019-07-02 | 2019-09-24 | 广西玉柴机器股份有限公司 | A kind of cooling cylinder head of layering |
| CN110273775A (en) * | 2019-07-02 | 2019-09-24 | 广西玉柴机器股份有限公司 | A kind of body cooling structure |
| CN110439705A (en) * | 2019-07-02 | 2019-11-12 | 广西玉柴机器股份有限公司 | A kind of cylinder cover cooling structure |
| CN112081681A (en) * | 2019-06-14 | 2020-12-15 | 温特图尔汽柴油公司 | Cylinder head for a cylinder of a large diesel engine and method for repairing a cylinder head |
| CN114837844A (en) * | 2022-06-01 | 2022-08-02 | 江苏常发农业装备股份有限公司 | Cylinder cover and engine |
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| US4590894A (en) * | 1983-08-18 | 1986-05-27 | Nissan Motor Co., Ltd. | Coolant passage system of internal combustion engine |
| CN1497157A (en) * | 2002-09-27 | 2004-05-19 | 现代自动车株式会社 | Engine cooling system |
| CN201103483Y (en) * | 2007-11-30 | 2008-08-20 | 广西玉柴机器股份有限公司 | Diesel engine cylinder block |
| CN101737139A (en) * | 2008-11-12 | 2010-06-16 | 广西玉柴机器股份有限公司 | Air cylinder cooling channel of diesel engine |
| CN205445816U (en) * | 2016-04-11 | 2016-08-10 | 广西玉柴机器股份有限公司 | Layering refrigerated cylinder head |
-
2016
- 2016-04-11 CN CN201610222144.0A patent/CN105697180A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4590894A (en) * | 1983-08-18 | 1986-05-27 | Nissan Motor Co., Ltd. | Coolant passage system of internal combustion engine |
| CN1497157A (en) * | 2002-09-27 | 2004-05-19 | 现代自动车株式会社 | Engine cooling system |
| CN201103483Y (en) * | 2007-11-30 | 2008-08-20 | 广西玉柴机器股份有限公司 | Diesel engine cylinder block |
| CN101737139A (en) * | 2008-11-12 | 2010-06-16 | 广西玉柴机器股份有限公司 | Air cylinder cooling channel of diesel engine |
| CN205445816U (en) * | 2016-04-11 | 2016-08-10 | 广西玉柴机器股份有限公司 | Layering refrigerated cylinder head |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956590A (en) * | 2017-11-28 | 2018-04-24 | 东风商用车有限公司 | A kind of engine-cooling system and its cooling means |
| CN108386293A (en) * | 2018-05-02 | 2018-08-10 | 广西玉柴机器股份有限公司 | Diesel engine cylinder cover fixed direction allocation sprays jacket structure for water |
| CN109184935A (en) * | 2018-10-09 | 2019-01-11 | 广西玉柴机器股份有限公司 | The high-order cooling water jacket structure of Combined cylinder lid |
| CN112081681A (en) * | 2019-06-14 | 2020-12-15 | 温特图尔汽柴油公司 | Cylinder head for a cylinder of a large diesel engine and method for repairing a cylinder head |
| CN110273776A (en) * | 2019-07-02 | 2019-09-24 | 广西玉柴机器股份有限公司 | A kind of cooling cylinder head of layering |
| CN110273775A (en) * | 2019-07-02 | 2019-09-24 | 广西玉柴机器股份有限公司 | A kind of body cooling structure |
| CN110439705A (en) * | 2019-07-02 | 2019-11-12 | 广西玉柴机器股份有限公司 | A kind of cylinder cover cooling structure |
| CN110439705B (en) * | 2019-07-02 | 2024-05-10 | 广西玉柴机器股份有限公司 | Cylinder cover cooling structure |
| CN114837844A (en) * | 2022-06-01 | 2022-08-02 | 江苏常发农业装备股份有限公司 | Cylinder cover and engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |