CN104295392A - Engine cooling water jacket - Google Patents
Engine cooling water jacket Download PDFInfo
- Publication number
- CN104295392A CN104295392A CN201410488381.2A CN201410488381A CN104295392A CN 104295392 A CN104295392 A CN 104295392A CN 201410488381 A CN201410488381 A CN 201410488381A CN 104295392 A CN104295392 A CN 104295392A
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- China
- Prior art keywords
- water
- jacket
- cylinder head
- cylinder
- hole
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- 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.)
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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
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/16—Cylinder liners of wet type
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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
Abstract
The invention discloses an engine cooling water jacket. The engine cooling water jacket comprises a cylinder block water jacket body, a cylinder head gasket and a cylinder head water jacket body, wherein a water inlet is formed in the front end of the cylinder block water jacket body, water feeding holes are formed around each cylinder, the water feeding hole located at the rearmost end of each cylinder is a main water feeding hole, the cylinder head water jacket body corresponds to the cylinder block water jacket body, a water outlet is formed in the front end of the cylinder head water jacket body, water inlets corresponding to the water feeding holes in position are formed in the cylinder head water jacket body, and the water inlet located at the rearmost end of each cylinder is a main water inlet; the cylinder head gasket is arranged between the cylinder block water jacket body and the cylinder head water jacket body, a plurality of round holes are formed in the length direction of the cylinder head gasket, water passing holes are formed around each round hole, and each water passing hole located at the rearmost end is a main water passing hole; the water passing holes become larger gradually and sequentially from the front end to the rear end, and the size of each main water feeding hole is identical with that of the corresponding main water passing hole and that of the corresponding main water inlet. By the adoption of the engine cooling water jacket, the flowing speed of cooling liquid in the cylinder block water jacket body can be effectively increased, the temperatures of different parts of the cylinder block tend to be consistent, and the service life of an engine is prolonged.
Description
Technical field
The present invention relates to engine art, particularly a kind of engine cooling water jacket.
Background technique
The flow direction of traditional engine water jacket cooling liquid is: the cooling liquid that engine water pump exports enters from cylinder block water intake, cylinder body water jacket both sides are shunted after cylinder sleeve, then cylinder block each cylinder cooling liquid respectively in cylinder head gasket set with cylinder block end face osculum, the suitable through hole in water inlet, cylinder head bottom surface flows to cylinder cover water jacket, finally gather outflow from cylinder head water outlet, get back to water tank by associated pipe.
Mainly there are the following problems for prior art: 1. block jacket height H and thickness T are comparatively large, causes block jacket volume comparatively large, thus reduce coolant flow speed in block jacket, also directly affects cooling liquid speed in cylinder head jacket.2. cylinder block water intake is arranged on cylinder block front end, cylinder head front end sets out the mouth of a river, cylinder block and head water jacket water hole is generally larger-size casting water hole simultaneously, and the clear size of opening that cylinder head gasket is arranged is basic and cylinder block and head to cast water hole suitable, because the every cylinder of block jacket all has cooling liquid to flow into cylinder head jacket, there is short-circuiting effect, so have a large amount of cooling liquids from water hole upper cylinder cover front end, the upper water hole water yield of rear end is little, causes cylinder block and head front end and back end inhomogeneous cooling even.
Above-mentioned two shortcomings will cause cylinder block rear end cylinder sleeve cooling effect poor, add the friction of piston assembly, occur scuffing of cylinder bore fault when making Oil Consumption of Engine rise even serious; Simultaneously cylinder head also can not get good cooling-down effect (especially rear end), and the distortion of cylinder head bottom surface is large, may cause rushing cylinder pad, and cylinder cap such as to split at the reliability failure.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of engine cooling water jacket, thus overcome the above-mentioned shortcoming of prior art.
For achieving the above object, the invention provides a kind of engine cooling water jacket, comprise: block jacket, it is arranged in inner chamber of cylinder block, the front end of block jacket is provided with water intake near cylinder body air inlet side, and each cylinder surrounding be equipped with for coolant flow multiple on water hole, wherein, being arranged at four of rear-most end upper water holes is Your Majesty water hole; Cylinder head jacket, it is arranged in cylinder cap inner chamber, and it is corresponding with block jacket, the front end of cylinder head jacket is provided with water outlet near cylinder body exhaust side, and be provided with the multiple water inlets corresponding with position, upper water hole, wherein, four water inlets being arranged at cylinder head jacket rear-most end are main water inlet; And cylinder head gasket, it is arranged between block jacket and cylinder head jacket, cylinder head gasket along its length uniform intervals is provided with multiple circular hole concentric with cylinder-bore, each circular hole surrounding is equipped with the multiple water passage holes for regulate the upper water yield corresponding with upper water hole and water inlet position, wherein, four water passage holes being arranged at cylinder head gasket rear-most end are main water passage hole.Wherein, the size of multiple water passage hole strengthens from the front end of cylinder head gasket according to the order of sequence gradually to rear end, and the size one_to_one corresponding of corresponding with each the respectively main water passage hole in each Your Majesty water hole and each corresponding main water inlet is equal.
Preferably, in technique scheme, the height of block jacket is the 60%-100% of engine piston running length.
Preferably, in technique scheme, the thickness of block jacket is not less than 6 millimeters.
Compared with prior art, the present invention has following beneficial effect:
1, technological scheme of the present invention passes through height H and the thickness T of control cylinder body water jacket, cylinder liner surrounding is uniform is simultaneously set up water hole, effectively can improve the flowing velocity of cooling liquid in block jacket and improve the flowing of cylinder liner surrounding cooling liquid, can rapid warming-up be realized, very important to raising engine emission levels.
2, technological scheme of the present invention adds the flow distance of cooling liquid, not only has better cooling-down effect to cylinder cap, makes cylinder body each several part temperature reach unanimity simultaneously, reduce the frictional loss of machine oil viscosity and motor, extend the working life of motor, structure is simple, and practicability is good.
Accompanying drawing explanation
Fig. 1 is the explosive view of engine cooling water jacket.
Fig. 2 is the plan view of block jacket.
Fig. 3 is the right elevation of block jacket.
Fig. 4 is the stereogram of cylinder head jacket.
Fig. 5 is the structural representation of cylinder head gasket.
Fig. 6 is that engine cooling water jacket cooling liquid flows to schematic diagram.
Main Reference Numerals illustrates:
1. block jacket, 2. cylinder head gasket, 3. cylinder head jacket, 4. water intake, 5. circular hole, 6. water outlet, 7. go up water hole, 7a. Your Majesty water hole, 8. positioning pin hole, 9. water passage hole, the main water passage hole of 9a., 10. water inlet, the main water inlet of 10a., H. height, T. thickness.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Figures 1 to 6, comprise according to the engine cooling water jacket of the specific embodiment of the invention: the cylinder head jacket 3 that block jacket 1 is corresponding with block jacket 1 and the cylinder head gasket 2 between block jacket 1 and cylinder head jacket 3.
In the inner chamber of cylinder block that block jacket 1 is formed when being arranged at cast blocks, be an integral ring-shaped water jacket corresponding with cylinder sleeve shape, block jacket 1 front end is provided with water intake 4, and water intake 4 is arranged at the air inlet side of cylinder body.Block jacket 1 each cylinder surrounding be equipped with multiple on water hole 7, the upper water hole of each cylinder surrounding is preferably eight.Four the upper water holes being wherein arranged at block jacket 1 rear-most end are Your Majesty water hole 7a.The quantity in above-mentioned upper water hole and Your Majesty water hole is only example, is not limited to the present invention, and the thinkable quantity of any those skilled in the art all can fall into protection scope of the present invention.The height H of block jacket 1 controls the 60%-100% at engine piston stroke, and thickness T is as far as possible little, but should be not less than 6 millimeters.The block jacket 1 of this structure effectively can improve the flow velocity of cooling liquid in block jacket, improves the cooling of the cooling liquid of each cylinder liner surrounding simultaneously, very important to raising engine emission levels.
Cylinder head gasket 2 is arranged between block jacket 1 and cylinder head jacket 3, and cylinder head gasket 2 is provided with multiple bolt hole and lays respectively at the installation positioning pin hole 8 of front end and back end.Cylinder head gasket 2 is provided with multiple circular hole 5 concentric with cylinder holes by uniform intervals along its length simultaneously, each circular hole 5 surrounding is equipped with the multiple water passage holes 9 corresponding one by one with the position, multiple upper water hole 7 of block jacket 1, and four water passage holes being wherein arranged at cylinder head gasket 2 rear-most end are main water passage hole 9a.Multiple water passage hole 9 and position, multiple upper water hole 7 one_to_one corresponding, very little from the water passage hole 9 of cylinder head gasket 2 front end, more toward rear end, water passage hole 9 strengthens gradually, the Your Majesty water hole 7a that the size of each main water passage hole 9a of rear end is corresponding with its position with each is respectively equal, thus ensure that more cooling liquid flows to rear end from block jacket 1 front end, and then enter the rear end of cylinder head jacket 3, can ensure so most of cooling liquid block jacket 1 and cylinder head jacket 3 flowing time longer, better can absorb the heat of cylinder block and head, thus it is more even to make each cylinder of cylinder block and head cool.The quantity of above-mentioned water passage hole and main water passage hole is only example, is not limited to the present invention, the thinkable quantity of any those skilled in the art, all can fall into protection scope of the present invention.
Cylinder head jacket 3 is overall water jacket, in the cylinder cap inner chamber formed when being arranged at casting cylinder cap, and corresponding with block jacket 1, the front end of cylinder head jacket 3 is provided with water outlet 6 near exhaust side, thus can reduce the temperature of cylinder head exhaust side.Cylinder head jacket 3 is provided with and the corresponding one by one multiple water inlets 10 in multiple upper water hole 7 and multiple water passage hole 9 position, wherein, the water inlet 10 being arranged at cylinder head jacket 3 rear-most end (namely away from water outlet side) is main water inlet 10a, and it is preferably four.The main water passage hole 9a that the size of each main water inlet 10a is corresponding with its position with each is respectively equal, thus ensureing cooling liquid, from rear end, main water inlet 10a is smooth and easy enters cylinder head jacket 3, and then the main water inlet 10a inflow of control cylinder lid water jacket 3 accounts for more than 50% of whole cylinder head jacket 3 inflow.Meanwhile, cylinder head gasket water passage hole 9 can regulate the upper water yield entering each position of cylinder head jacket 3, makes gray iron bulk temperature be tending towards average, reduces thermal stress and distortion, reduces the risk revealed.The quantity of above-mentioned water inlet and main water inlet is only example, is not limited to the present invention, the thinkable quantity of any those skilled in the art, all can fall into protection scope of the present invention.
The working procedure of technical solution of the present invention as shown in Figure 6 (direction of arrow represents coolant flow direction), after cooling liquid enters block jacket 1 from water intake 4, shunt from both sides, the upper water yield is regulated by multiple water passage holes 9 of cylinder head gasket 2, wherein, the cooling liquid of small part, from the multiple water passage holes 9 of multiple upper water hole 7 via cylinder head gasket 2 of block jacket 1 front end and multiple water inlets 10 of cylinder head jacket 3, enters in cylinder head jacket 3; Most cooling liquid flows to rear end from block jacket 1 front end, by multiple Your Majesty water hole 7a of rear end cylinder block main water sleeve 1, enter in cylinder head jacket 3 via the multiple main water passage hole 9a of cylinder head gasket 2 and the multiple main water inlet 10a of cylinder head jacket 1, then the cooling liquid flow forward entering cylinder head jacket 3 from multiple water inlets 10 of front end cylinder head jacket 1 is promoted, thus the uniform decrease in temperature realized whole cylinder cap, last cooling liquid is flowed out by water outlet 6.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (3)
1. an engine cooling water jacket, is characterized in that, described engine cooling water jacket comprises:
Block jacket, it is arranged in inner chamber of cylinder block, the front end of described block jacket is provided with water intake near cylinder body air inlet side, and described block jacket each cylinder surrounding be equipped with for coolant flow multiple on water hole, wherein, four the upper water holes being arranged at described block jacket rear-most end are Your Majesty water hole;
Cylinder head jacket, it is arranged in cylinder cap inner chamber, and it is corresponding with described block jacket, the front end of described cylinder head jacket is provided with water outlet near cylinder body exhaust side, and described cylinder head jacket is provided with the multiple water inlets corresponding with position, described upper water hole, wherein, four water inlets being arranged at described cylinder head jacket rear-most end are main water inlet; And
Cylinder head gasket, it is arranged between described block jacket and described cylinder head jacket, described cylinder head gasket along its length uniform intervals is provided with multiple circular hole concentric with cylinder-bore, each circular hole surrounding is equipped with the multiple water passage holes for regulate the upper water yield corresponding with described upper water hole and described water inlet position, wherein, four water passage holes being arranged at described cylinder head gasket rear-most end are main water passage hole
Wherein, the size of described multiple water passage hole strengthens from the front end of described cylinder head gasket according to the order of sequence gradually to rear end, and the size one_to_one corresponding of corresponding with this Your Majesty water hole with each the respectively main water passage hole of the size in each Your Majesty water hole and each main water inlet corresponding with this Your Majesty water hole is equal.
2. according to claim 1, it is characterized in that, the height of described block jacket is the 60%-100% of engine piston running length.
3. according to claim 1, it is characterized in that, the thickness of described block jacket is not less than 6 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488381.2A CN104295392A (en) | 2014-09-22 | 2014-09-22 | Engine cooling water jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488381.2A CN104295392A (en) | 2014-09-22 | 2014-09-22 | Engine cooling water jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104295392A true CN104295392A (en) | 2015-01-21 |
Family
ID=52315291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410488381.2A Pending CN104295392A (en) | 2014-09-22 | 2014-09-22 | Engine cooling water jacket |
Country Status (1)
| Country | Link |
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| CN (1) | CN104295392A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224113A (en) * | 2016-08-26 | 2016-12-14 | 重庆高金实业有限公司 | Engine cooling water jacket structure and straight arrangement double-cylinder engine cooling water jacket structure |
| CN107989711A (en) * | 2017-12-27 | 2018-05-04 | 广西玉柴机器股份有限公司 | The cooling jacket of Multi-cylinder diesel engine cylinder body |
| CN108757201A (en) * | 2018-06-29 | 2018-11-06 | 力帆实业(集团)股份有限公司 | A kind of motorcycle engine coolant circulation system and engine |
| CN109322758A (en) * | 2018-11-09 | 2019-02-12 | 襄阳市中康汽车配件有限公司 | A kind of cooling flow guide system of engine cylinder body |
| CN109931143A (en) * | 2019-04-19 | 2019-06-25 | 安徽华菱汽车有限公司 | A kind of engine and its engine cooling apparatus |
| CN110017218A (en) * | 2017-12-22 | 2019-07-16 | 丰田自动车株式会社 | Internal combustion engine |
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| CN102042116A (en) * | 2010-12-24 | 2011-05-04 | 奇瑞汽车股份有限公司 | Engine cooling water jacket |
| CN103397947A (en) * | 2013-07-02 | 2013-11-20 | 广西玉柴机器股份有限公司 | Multi-cylinder air cylinder body water jacket |
| CN203441611U (en) * | 2013-08-12 | 2014-02-19 | 安徽华菱汽车有限公司 | Cylinder cover gasket and cylinder cover gasket throttling assembly |
| CN103807047A (en) * | 2012-11-09 | 2014-05-21 | 本田技研工业株式会社 | Water jacket structure of internal combustion engine |
| CN204152659U (en) * | 2014-09-22 | 2015-02-11 | 广西玉柴机器股份有限公司 | A kind of engine cooling water jacket |
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2014
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201047312Y (en) * | 2007-06-12 | 2008-04-16 | 上海柴油机股份有限公司 | Organism regulating water stream arrangement in internal-combustion engines water jacket |
| CN102042116A (en) * | 2010-12-24 | 2011-05-04 | 奇瑞汽车股份有限公司 | Engine cooling water jacket |
| CN103807047A (en) * | 2012-11-09 | 2014-05-21 | 本田技研工业株式会社 | Water jacket structure of internal combustion engine |
| CN103397947A (en) * | 2013-07-02 | 2013-11-20 | 广西玉柴机器股份有限公司 | Multi-cylinder air cylinder body water jacket |
| CN203441611U (en) * | 2013-08-12 | 2014-02-19 | 安徽华菱汽车有限公司 | Cylinder cover gasket and cylinder cover gasket throttling assembly |
| CN204152659U (en) * | 2014-09-22 | 2015-02-11 | 广西玉柴机器股份有限公司 | A kind of engine cooling water jacket |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224113A (en) * | 2016-08-26 | 2016-12-14 | 重庆高金实业有限公司 | Engine cooling water jacket structure and straight arrangement double-cylinder engine cooling water jacket structure |
| CN106224113B (en) * | 2016-08-26 | 2018-10-19 | 重庆高金实业有限公司 | Engine cooling water jacket structure and straight arrangement double-cylinder engine cooling water jacket structure |
| CN110017218A (en) * | 2017-12-22 | 2019-07-16 | 丰田自动车株式会社 | Internal combustion engine |
| CN107989711A (en) * | 2017-12-27 | 2018-05-04 | 广西玉柴机器股份有限公司 | The cooling jacket of Multi-cylinder diesel engine cylinder body |
| CN108757201A (en) * | 2018-06-29 | 2018-11-06 | 力帆实业(集团)股份有限公司 | A kind of motorcycle engine coolant circulation system and engine |
| CN108757201B (en) * | 2018-06-29 | 2019-10-29 | 力帆实业(集团)股份有限公司 | A kind of motorcycle engine coolant circulation system and engine |
| CN109322758A (en) * | 2018-11-09 | 2019-02-12 | 襄阳市中康汽车配件有限公司 | A kind of cooling flow guide system of engine cylinder body |
| CN109931143A (en) * | 2019-04-19 | 2019-06-25 | 安徽华菱汽车有限公司 | A kind of engine and its engine cooling apparatus |
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| PB01 | Publication | ||
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Application publication date: 20150121 |