CN108035817A - The layering cooling cylinder head of V-type engine - Google Patents
The layering cooling cylinder head of V-type engine Download PDFInfo
- Publication number
- CN108035817A CN108035817A CN201711146821.6A CN201711146821A CN108035817A CN 108035817 A CN108035817 A CN 108035817A CN 201711146821 A CN201711146821 A CN 201711146821A CN 108035817 A CN108035817 A CN 108035817A
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- China
- Prior art keywords
- cylinder head
- inlet opening
- partition plate
- water
- water cavity
- 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.)
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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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- 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 belongs to engine cylinder cap technical field, it is related to a kind of layering cooling cylinder head of V-type engine, including cylinder head body, distribution air intake duct and exhaust duct in cylinder head body, mounting hole of oil sprayer is equipped among cylinder head body, cylinder head chamber body forms Cooling Water Jacket of Cylinder Head, it is characterised in that：Cylinder head body interior sets partition plate close to bottom, and Cooling Water Jacket of Cylinder Head is divided into upper water cavity, lower water cavity by partition plate, and exhaust duct is placed in lower water cavity；Cylinder head body bottom portion is equipped with the first inlet opening, the second inlet opening, the 3rd inlet opening, the 4th inlet opening, the 5th inlet opening, the 6th inlet opening of the lower water cavity of connection, wherein the first inlet opening, the second inlet opening are arranged at below exhaust duct.The cylinder head optimizes the flow field of cylinder cap water channel, solves the problems, such as that the cooling of cylinder head bottom ridge area is insufficient, to improve the service life of cylinder head, reduces the use cost of engine.
Description
Technical field
The invention belongs to engine cylinder cap technical field, the layering for being related to a kind of V-type engine cools down cylinder head.
Background technology
Existing V-type engine is all the independent cylinder head of every cylinder, and cylinder cover cooling system is all identical.With hair
The upgrading of motivation discharge, the raising of engine power requirement, makes cylinder head be subject to high temperature and pressure, thermal stress and mechanical stress are very
Greatly.Traditional cylinder head cooling water channel cannot effectively reduce the thermic load of cylinder cap, strengthen cooling cylinder head bottom ridge area.Lead
The problem of cylinder head bottom cracking occurs for reason lifting engine power is increased.
The content of the invention
For the present invention in view of the above-mentioned problems, providing a kind of layering cooling cylinder head of V-type engine, which optimizes cylinder
The flow field of lid water channel, solves the problems, such as that the cooling of cylinder head bottom ridge area is insufficient, to improve the service life of cylinder head, drop
The low use cost of engine.
Technical solution according to the invention：A kind of layering cooling cylinder head of V-type engine, including cylinder head body, gas
Distribution air intake duct and exhaust duct in cylinder cap body, cylinder head body centre are equipped with mounting hole of oil sprayer, cylinder head chamber body shape
Into Cooling Water Jacket of Cylinder Head, it is characterised in that：Cylinder head body interior sets partition plate close to bottom, and partition plate is by cylinder head cooling water
Chamber is divided into upper water cavity, lower water cavity, and exhaust duct is placed in lower water cavity；Cylinder head body bottom portion be equipped with the first of the lower water cavity of connection into
Water hole, the second inlet opening, the 3rd inlet opening, the 4th inlet opening, the 5th inlet opening, the 6th inlet opening, wherein the first inlet opening,
Two inlet openings are arranged at below exhaust duct, and the 3rd inlet opening, the 4th inlet opening are respectively arranged on cylinder head body close to two
Exhaust valve both sides, the 5th inlet opening, the 6th inlet opening are arranged at below air intake duct；First connection water hole, the second connection water hole point
Upper water cavity is not connected with lower water cavity, lower water cavity sets the first water hole, the second water hole, the first water hole, on the outside of inlet valve
Two water holes connect upper water cavity and lower water cavity, correspond on cylinder head body between the upper water cavity of air exit and lower water cavity and set
Upper water cavity, lower water cavity are connected by the 3rd water hole and the 4th water hole, the 3rd water hole, the 4th water hole respectively；Set in the lower water cavity
Some lower floor's water channel partition plates are put, at work, cooling water is drained to exhaust duct circumferential surface by lower floor's water channel partition plate, and by lower water
Cooling water confluence in chamber passes through bridge of the nose high-temperature region.
As a further improvement on the present invention, lower floor's water channel partition plate include first partition, second partition, the 3rd every
Plate, the 4th partition plate, the 5th partition plate, the 6th partition plate, the 5th partition plate are arranged between the first inlet opening and the second inlet opening, the
Six partition plates are arranged between the 5th inlet opening and the 6th inlet opening, and first partition is arranged at the 3rd inlet opening close to exhaust duct one
Side, second partition are arranged at the 4th inlet opening and are disposed in proximity to air intake duct one close to exhaust duct side, the 3rd partition plate, the 4th partition plate
Side, the 6th partition plate are arranged between the 5th inlet opening and the 6th inlet opening, and the first hole, the 4th partition plate are set on the 3rd partition plate
The second hole of upper setting, the first partition, second partition, the 3rd partition plate and the 4th partition plate connect with respective row airway surface respectively
Connect.
As a further improvement on the present invention, the outer side surface in lower water cavity corresponding to mounting hole of oil sprayer is uniformly arranged four
A exhaust duct, on the same line, and the 5th partition plate and the 6th partition plate extend respectively to respective phase for the 5th partition plate and the 6th partition plate
Between two neighbouring exhaust ducts.
As a further improvement on the present invention, the cylinder head body corresponds to the top setting cylinder head cooling water of upper water cavity
Mouthful.
The technical effects of the invention are that：The present invention in Water Cavity of Cylinder Head by designing layering water cavity, lower floor's water cavity water conservancy diversion
Baffle design, the fixed point inlet opening design of cylinder cap bottom 6, lower floor's water cavity and the connection water hole of upper strata water cavity are designed, and make cylinder cap cold
But water cools down cylinder cap bottom as far as possible in cylinder cap, the outer surface around sufficiently cool exhaust duct, and the lower floor's water cavity that converges
Cooling water passes through bridge of the nose high-temperature area, optimizes the flow field of cylinder cap water channel, and it is insufficient to solve the cooling of cylinder head bottom ridge area
The problem of, to improve the service life of cylinder head, reduce the use cost of engine.
Brief description of the drawings
Fig. 1 is the cylinder head cross-sectional view of the present invention.
Fig. 2 is the cylinder cover base water cavity top view of the present invention.
Fig. 3 is the cylinder cover top water cavity top view of the present invention.
Fig. 4 is the cylinder head water cavity structure diagram of the present invention.
Embodiment
The embodiment of the present invention is further described below in conjunction with the accompanying drawings.
In Fig. 1 ~ 4, including exhaust duct 1, air intake duct 2, the second water hole 3, mounting hole of oil sprayer 4, partition plate 5, lower water cavity 6,
One water hole 7, upper water cavity 8, the Cooling of Cylinder Head mouth of a river 9, the first inlet opening 10, the second inlet opening 11, the water inlet of the 3rd inlet opening the 12, the 4th
Hole 13, the 5th inlet opening 14, the 6th inlet opening 15, the 3rd water hole 16, the 4th water hole 17, the 5th partition plate 18, first partition 19,
Two partition plates 20, the 3rd partition plate 21, the 4th partition plate 22, the first hole 23, the second hole 24, the 6th partition plate 25, first connection water hole 26, the
Two connection water holes 27 etc..
As shown in Fig. 1 ~ 4, the present invention is that a kind of layering of V-type engine cools down cylinder head, including cylinder head body, cylinder
Distribution air intake duct 2 and exhaust duct 1 in lid body, cylinder head body centre are equipped with mounting hole of oil sprayer 4, cylinder head chamber body shape
Into Cooling Water Jacket of Cylinder Head, cylinder head body interior sets partition plate 5 close to bottom, and Cooling Water Jacket of Cylinder Head is divided into by partition plate 5
Upper water cavity 8, lower water cavity 6, exhaust duct are placed in lower water cavity 6；Cylinder head body bottom portion is equipped with the first inlet opening of the lower water cavity 6 of connection
10th, the second inlet opening 11, the 3rd inlet opening 12, the 4th inlet opening 13, the 5th inlet opening 14, the 6th inlet opening 15, wherein first
Inlet opening 10, the second inlet opening 11 are arranged at the lower section of exhaust duct 1, and the 3rd inlet opening 12, the 4th inlet opening 13 are respectively arranged at gas
Close to two exhaust valve both sides on cylinder cap body, the 5th inlet opening 14, the 6th inlet opening 15 are arranged at the lower section of air intake duct 2；First
Connection water hole 26, second connects water hole 27 and upper water cavity 8 is connected with lower water cavity 6 respectively, and lower water cavity 6 is set on the outside of inlet valve
First water hole 7, the second water hole 3, the first water hole 7, the second water hole 3 connect upper water cavity 8 and lower water cavity 6, right on cylinder head body
3rd water hole 16 and the 4th water hole 17, the 3rd water hole the 16, the 4th should be set between the upper water cavity 8 and lower water cavity 6 of air exit
Upper water cavity 8, lower water cavity 6 are connected by water hole 17 respectively；Some lower floor's water channel partition plates are set in the lower water cavity 6, at work,
Cooling water is drained to exhaust duct circumferential surface by lower floor's water channel partition plate, and the cooling water confluence in lower water cavity 6 is high by the bridge of the nose
Warm area.
Lower floor's water channel partition plate includes first partition 19, second partition 20, the 3rd partition plate 21, the 4th partition plate 22, the 5th partition plate
18th, the 6th partition plate 25, the 5th partition plate 18 are arranged between the first inlet opening 10 and the second inlet opening 11, and the 6th partition plate 25 is set
It is placed between the 5th inlet opening 14 and the 6th inlet opening 15, first partition 19 is arranged at the 3rd inlet opening 12 close to exhaust duct 1 one
Side, second partition 20 are arranged at the 4th inlet opening 13 and are arranged at and lean on close to 1 side of exhaust duct, the 3rd partition plate 21, the 4th partition plate 22
Nearly 2 side of air intake duct, the 6th partition plate 25 is arranged between the 5th inlet opening 14 and the 6th inlet opening 15, on the 3rd partition plate 21
First hole 23 is set, the second hole 24 is set on the 4th partition plate 22, the first partition 19, second partition 20, the 3rd partition plate 21 and
4th partition plate 22 is connected with respective row airway surface respectively.
Outer side surface in lower water cavity 6 corresponding to mounting hole of oil sprayer 4 is uniformly arranged four exhaust ducts, the 5th partition plate 18 with
On the same line, and the 5th partition plate 18 and the 6th partition plate 25 extend respectively to each adjoining two exhausts to 6th partition plate 25
Between road.
The top that cylinder head body corresponds to upper water cavity 8 sets the Cooling of Cylinder Head mouth of a river 9.
The course of work of the present invention is as follows：Cylinder head cooling water enters water cavity 6 under cylinder cap from 6 inlet openings respectively, first into
The cooling water that water hole 10, the second inlet opening 11 flow into passes through around exhaust duct, cylinder cap ridge area flows into the connection of connection first water hole
26th, the second connection water hole 27 flows into upper water cavity 8, has fraction cooling water to flow into upper water cavity through the 3rd water hole 16, the 4th water hole 17
8；The cooling water that 3rd inlet opening 12, the 4th inlet opening 13 flow into passes through around exhaust duct, cylinder cap ridge area flows into connection first
Connect water hole 26, second and connect the inflow of water hole 27 upper water cavity 8；The cooling water warp that 4th inlet opening 13, the 5th inlet opening 14 flow into
Cross around air intake duct, cylinder cap ridge area flow into connection first connection water hole 26, second connect water hole 27 flow into upper water cavity 8, have portion
Divide cooling water to flow into the first connection water hole 26, second by the first hole 23, the second hole 24 and connect the inflow of water hole 27 upper water cavity 8, have
Part cooling water flows into upper water cavity 8 by the first water hole 7, the second water hole 3.Cooling water converges through cylinder head cooling water in upper water cavity 8
The outflow of outlet 9 Water Cavity of Cylinder Head.The design of water cavity is layered, cylinder head cooling water is cooled down cylinder cap bottom as far as possible in cylinder cap, fills
Divide the outer surface around cooling exhaust duct, and the cooling water for the lower floor's water cavity that converges passes through bridge of the nose high-temperature area, ridge area speed is all
In 2m/s, heat dissipation effect is preferable, optimizes the flow field of cylinder cap water channel, solves cylinder head bottom ridge area and cools down insufficient ask
Topic, to improve the service life of cylinder head, reduces the use cost of engine.
Claims (4)
1. a kind of layering cooling cylinder head of V-type engine, including cylinder head body, the interior distribution air intake duct of cylinder head body（2）
And exhaust duct（1）, cylinder head body centre is equipped with mounting hole of oil sprayer（4）, cylinder head chamber body formation cylinder head cooling water
Chamber, it is characterised in that：Cylinder head body interior sets partition plate close to bottom（5）, partition plate（5）Cooling Water Jacket of Cylinder Head is divided into
Upper water cavity（8）, lower water cavity（6）, exhaust duct is placed in lower water cavity（6）In；Cylinder head body bottom portion is equipped with the lower water cavity of connection（6）
One inlet opening（10）, the second inlet opening（11）, the 3rd inlet opening（12）, the 4th inlet opening（13）, the 5th inlet opening（14）, the 6th
Inlet opening（15）, wherein the first inlet opening（10）, the second inlet opening（11）It is arranged at exhaust duct（1）Lower section, the 3rd inlet opening
（12）, the 4th inlet opening（13）It is respectively arranged on cylinder head body close to two exhaust valve both sides, the 5th inlet opening（14）,
Six inlet openings（15）It is arranged at air intake duct（2）Lower section；First connection water hole（26）, second connection water hole（27）Respectively by upper water cavity
（8）With lower water cavity（6）It is connected, lower water cavity（6）First water hole is set on the outside of inlet valve（7）, the second water hole（3）, the first water
Hole（7）, the second water hole（3）Connect upper water cavity（8）With lower water cavity（6）, the upper water of air exit is corresponded on cylinder head body
Chamber（8）With lower water cavity（6）Between set the 3rd water hole（16）With the 4th water hole（17）, the 3rd water hole（16）, the 4th water hole（17）
Respectively by upper water cavity（8）, lower water cavity（6）It is connected；The lower water cavity（6）It is middle that some lower floor's water channel partition plates are set, at work,
Cooling water is drained to exhaust duct circumferential surface by lower floor's water channel partition plate, and by lower water cavity（6）In cooling water confluence pass through the bridge of the nose
High-temperature region.
2. the layering cooling cylinder head of V-type engine as claimed in claim 1, it is characterised in that：Lower floor's water channel partition plate
Including first partition（19）, second partition（20）, the 3rd partition plate（21）, the 4th partition plate（22）, the 5th partition plate（18）, the 6th partition plate
（25）, the 5th partition plate（18）It is arranged at the first inlet opening（10）With the second inlet opening（11）Between, the 6th partition plate（25）If
It is placed in the 5th inlet opening（14）With the 6th inlet opening（15）Between, first partition（19）It is arranged at the 3rd inlet opening（12）Close to row
Air flue（1）Side, second partition（20）It is arranged at the 4th inlet opening（13）Close to exhaust duct（1）Side, the 3rd partition plate（21）,
Four partition plates（22）It is disposed in proximity to air intake duct（2）Side, the 6th partition plate（25）It is arranged at the 5th inlet opening（14）With the 6th
Inlet opening（15）Between, the 3rd partition plate（21）The first hole of upper setting（23）, the 4th partition plate（22）The second hole of upper setting（24）, it is described
First partition（19）, second partition（20）, the 3rd partition plate（21）And the 4th partition plate（22）It is connected respectively with respective row airway surface.
3. the layering cooling cylinder head of V-type engine as claimed in claim 2, it is characterised in that：Lower water cavity（6）In correspond to
Mounting hole of oil sprayer（4）Outer side surface be uniformly arranged four exhaust ducts, the 5th partition plate（18）With the 6th partition plate（25）Same
On straight line, and the 5th partition plate（18）And the 6th partition plate（25）Extend respectively between each adjoining two exhaust ducts.
4. the layering cooling cylinder head of V-type engine as claimed in claim 1, it is characterised in that：The cylinder head body pair
Should be in upper water cavity（8）Top the Cooling of Cylinder Head mouth of a river is set（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146821.6A CN108035817B (en) | 2017-11-17 | 2017-11-17 | Layered cooling cylinder cover of V-shaped engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146821.6A CN108035817B (en) | 2017-11-17 | 2017-11-17 | Layered cooling cylinder cover of V-shaped engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108035817A true CN108035817A (en) | 2018-05-15 |
| CN108035817B CN108035817B (en) | 2021-02-05 |
Family
ID=62093694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711146821.6A Active CN108035817B (en) | 2017-11-17 | 2017-11-17 | Layered cooling cylinder cover of V-shaped engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108035817B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915275A (en) * | 2019-03-28 | 2019-06-21 | 广西玉柴机器股份有限公司 | A kind of three way type cylinder cap cooling structure of exhaust duct part necking |
| CN110242435A (en) * | 2019-07-02 | 2019-09-17 | 重庆潍柴发动机有限公司 | A kind of cylinder cover for diesel engine |
| CN111271186A (en) * | 2020-01-19 | 2020-06-12 | 一汽解放汽车有限公司 | Cylinder head cooling structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436066A (en) * | 1979-05-23 | 1984-03-13 | Fiat Veicoli Industriali S.P.A. | Cylinder head for compression-ignition internal combustion engine |
| CN201496140U (en) * | 2009-06-25 | 2010-06-02 | 南车资阳机车有限公司 | Active differential-type pre-combustion system |
| CN104454129A (en) * | 2013-09-25 | 2015-03-25 | Ge延巴赫两合无限公司 | Arrangement comprising a cylinder head and a prechamber system |
| CN106870117A (en) * | 2017-01-23 | 2017-06-20 | 江苏盛源燃气动力机械有限公司 | Water-cooled pre-burning device |
| CN107061045A (en) * | 2017-01-25 | 2017-08-18 | 无锡开普机械有限公司 | The sealing structure of spark plug |
-
2017
- 2017-11-17 CN CN201711146821.6A patent/CN108035817B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436066A (en) * | 1979-05-23 | 1984-03-13 | Fiat Veicoli Industriali S.P.A. | Cylinder head for compression-ignition internal combustion engine |
| CN201496140U (en) * | 2009-06-25 | 2010-06-02 | 南车资阳机车有限公司 | Active differential-type pre-combustion system |
| CN104454129A (en) * | 2013-09-25 | 2015-03-25 | Ge延巴赫两合无限公司 | Arrangement comprising a cylinder head and a prechamber system |
| CN106870117A (en) * | 2017-01-23 | 2017-06-20 | 江苏盛源燃气动力机械有限公司 | Water-cooled pre-burning device |
| CN107061045A (en) * | 2017-01-25 | 2017-08-18 | 无锡开普机械有限公司 | The sealing structure of spark plug |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915275A (en) * | 2019-03-28 | 2019-06-21 | 广西玉柴机器股份有限公司 | A kind of three way type cylinder cap cooling structure of exhaust duct part necking |
| CN110242435A (en) * | 2019-07-02 | 2019-09-17 | 重庆潍柴发动机有限公司 | A kind of cylinder cover for diesel engine |
| CN111271186A (en) * | 2020-01-19 | 2020-06-12 | 一汽解放汽车有限公司 | Cylinder head cooling structure |
| CN111271186B (en) * | 2020-01-19 | 2021-09-28 | 一汽解放汽车有限公司 | Cylinder head cooling structure |
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| Publication number | Publication date |
|---|---|
| CN108035817B (en) | 2021-02-05 |
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