CN101865047A - Water channel structure of cylinder cover - Google Patents
Water channel structure of cylinder cover Download PDFInfo
- Publication number
- CN101865047A CN101865047A CN 201010116966 CN201010116966A CN101865047A CN 101865047 A CN101865047 A CN 101865047A CN 201010116966 CN201010116966 CN 201010116966 CN 201010116966 A CN201010116966 A CN 201010116966A CN 101865047 A CN101865047 A CN 101865047A
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- China
- Prior art keywords
- water channel
- hole
- exhaust valve
- bridge
- valve seat
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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
- F02F1/24—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 relates to a water channel structure of a cylinder cover, which comprises a first air inlet hole base, a second air inlet hole base, a first vent hole base, a second vent hole base and a fuel injector sleeve arranged on the cylinder cover. A bolt hole, an oil inlet hole and an oil return hole are formed on the cylinder cover; a lower layer water channel and an upper layer water channel are formed in the cylinder cover around a first inlet valve base hole, a first exhaust valve base hole, a second inlet valve base hole, a second exhaust valve base hole, an inlet channel and an exhaust channel; the lower layer water channel is communicated with the upper layer water channel through a communicating water channel; a first intercommunicating pore is formed between the first exhaust valve base hole and the second exhaust valve base hole to communicate the lower layer water channel on one side with the communicating water channel; and a second intercommunicating pore is formed between the first inlet valve base hole and the second inlet valve base hole to communicate the lower layer water channel on the other side with the communicating water channel. The water channel structure of the cylinder cover can reduce temperature stress of the cylinder cover to ensure that an inlet valve base, an exhaust valve base and the fuel injector sleeve are cooled uniformly, avoid capillary cracks and prolong the service lives of the inlet valve base, the exhaust valve base and the fuel injector sleeve.
Description
Technical field
The present invention relates to the combustion engine cylinder head field, especially a kind of cylinder head that offers the multilayer water channel.
Background technique
In cylinder head, the zone between the gas inlet outlet valve base, between the exhaust valve seat, between valve seat and the oil sprayer is the high-temperature zone, and it is in cylinder central authorities.During internal combustion engine, the High Temperature High Pressure stress alternation is born in this zone, because the effect of the alternating stress that load variations produces just begins to occur caplillary crack through this zone of regular hour, expansion gradually later on is eventually to cracking.In order to reduce the temperature stress of cylinder cap, special cooling method is taked in the reply high-temperature zone.Usually under the situation of structure and intensity permission, take to bore in high-temperature part the way of cooling water channel, its water (flow) direction often can only flow to oil sprayer from a direction, and the cooling in four bridge of the nose districts is not really even.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of make inlet hole seat, exhaust port seat and the cooling of oil sprayer sleeve pipe evenly, avoid the water channel structure of cylinder cover that caplillary crack occurs, prolong their working life.
According to technological scheme provided by the invention, described water channel structure of cylinder cover, be included in the first suction valve cone hole that is provided with on the cylinder head, the first exhaust valve seat hole, the second suction valve cone hole, the second exhaust valve seat hole and oil sprayer sleeve pipe, the first suction valve cone hole, the first exhaust valve seat hole, the second suction valve cone hole and the second exhaust valve seat hole all be arranged on the oil sprayer sleeve pipe around, on cylinder head, offer bolt hole, oil inlet hole and spill port, in cylinder head, center on the first suction valve cone hole, the first exhaust valve seat hole, the second suction valve cone hole and second exhaust valve seat hole and the intake duct, air outlet flue offers lower floor's water channel and upper strata water channel, be communicated with by being communicated with water channel between lower floor's water channel and the upper strata water channel, offer the water inlet that links to each other with the lower floor water channel in the bottom of cylinder head, tip portion in cylinder head offers the weep hole that links to each other with the upper strata water channel, offer first intercommunicating pore in the first exhaust valve seat hole and the second exhaust valve seat hole, first intercommunicating pore with lower floor's water channel of a side be communicated with water channel and connect, between the first suction valve cone hole and the second suction valve cone hole, offer second intercommunicating pore, second intercommunicating pore with lower floor's water channel of opposite side be communicated with water channel and connect.
The wall body in the first suction valve cone hole is provided with first bridge of the nose flange, and the wall body in the first exhaust valve seat hole is provided with second bridge of the nose flange, and first bridge of the nose flange cooperates with second bridge of the nose flange.
Between the first suction valve cone hole and the first exhaust valve seat hole, offer first secondary channel, first secondary channel with lower floor's water channel be communicated with water channel and connect.
The wall body in the second suction valve cone hole is provided with the 3rd bridge of the nose flange, the wall body in the second exhaust valve seat hole is provided with the 4th bridge of the nose flange, the 3rd bridge of the nose flange cooperates with the 4th bridge of the nose flange, and the 3rd bridge of the nose flange and the 4th bridge of the nose flange form second secondary channel.
On cylinder head, offer respiratory tract.The sectional area of described lower floor water channel is less than the sectional area of upper strata water channel.
The present invention can reduce the temperature stress of cylinder cap, makes suction valve cone, exhaust valve seat and the cooling of oil sprayer sleeve pipe evenly, avoids occurring caplillary crack, prolongs their working life, and has characteristic of simple structure.
Description of drawings
Fig. 1 is a bottom horizontal sectional drawing of the present invention.
Fig. 2 is a top layer horizontal sectional drawing of the present invention.
Fig. 3 is a transverse sectional view of the present invention.
Fig. 4 is a longitudinal sectional view of the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: level board 1, the 3rd bridge of the nose flange 2, first bridge of the nose flange 3, second secondary channel 4, first secondary channel 5, lower floor's water channel 6, upper strata water channel 7, respiratory tract 8, bolt hole 9, the first exhaust valve seat hole 10, the first suction valve cone hole 11, oil sprayer sleeve pipe 12, the second exhaust valve seat hole 13, the second suction valve cone hole 14, spill port 15, water inlet 16, intake duct 17, air outlet flue 18, water outlet 19, cylinder head 21, oil inlet hole 22, be communicated with water channel 23, first intercommunicating pore 24, second intercommunicating pore 25, parts such as second bridge of the nose flange 26 and the 4th bridge of the nose flange 27 constitute.
This water channel structure of cylinder cover, be included in the first suction valve cone hole 11 that is provided with on the cylinder head 21, the first exhaust valve seat hole 10, the second suction valve cone hole 14, the second exhaust valve seat hole 13 and oil sprayer sleeve pipe 12, the first suction valve cone hole 11, the first exhaust valve seat hole 10, the second suction valve cone hole 14 and the second exhaust valve seat hole 13 all be arranged on oil sprayer sleeve pipe 12 around, on cylinder head 21, offer bolt hole 9, oil inlet hole 22 and spill port 15, in cylinder head 21, center on the first suction valve cone hole 11, the first exhaust valve seat hole 10, the second suction valve cone hole 14 and second exhaust valve seat hole 13 and the intake duct, air outlet flue offers lower floor's water channel 6 and upper strata water channel 7, be communicated with by being communicated with water channel 23 between lower floor's water channel 6 and the upper strata water channel 7, offer the water inlet 16 that links to each other with lower floor water channel 6 in the bottom of cylinder head 21, tip portion in cylinder head 21 offers the weep hole 19 that links to each other with upper strata water channel 7, offer first intercommunicating pore 24 in the first exhaust valve seat hole 10 and the second exhaust valve seat hole 13, first intercommunicating pore 24 with lower floor's water channel 6 of a side be communicated with water channel 23 and connect, between the first suction valve cone hole 11 and the second suction valve cone hole 14, offer second intercommunicating pore, 25, the second intercommunicating pores 25 with lower floor's water channel 6 of opposite side be communicated with water channel 23 and connect.
The wall body that the wall body in the first suction valve cone hole 11 is provided with first bridge of the nose flange, 3, the first exhaust valve seat holes 10 is provided with second bridge of the nose flange, 26, the first bridge of the nose flanges 3 and cooperates with second bridge of the nose flange 26.
Between the first suction valve cone hole 11 and the first exhaust valve seat hole 10, offer first secondary channel, 5, the first secondary channels 5 with lower floor's water channel 6 be communicated with water channel 23 and connect.
The wall body in the second suction valve cone hole 14 is provided with the 3rd bridge of the nose flange 2, the wall body in the second exhaust valve seat hole 13 is provided with the 4th bridge of the nose flange 27, the 3rd bridge of the nose flange 2 cooperates with the 4th bridge of the nose flange 27, and the 3rd bridge of the nose flange 2 and the 4th bridge of the nose flange 27 form second secondary channel 4.
Between the outer wall of the second exhaust valve seat hole 13, the first exhaust valve seat hole 10, the second suction valve cone hole 14, the first suction valve cone hole 11, intake duct 17, air outlet flue 18 and respiratory tract 8, bolt hole 9, spill port 15, do level board 1; The wall body that the wall body in the second suction valve cone hole 14 is provided with the 3rd bridge of the nose flange 2, the second exhaust valve seat holes 13 is provided with the 4th bridge of the nose flange 27, the three bridge of the nose flanges 2 and the 4th bridge of the nose flange 28 formation second secondary channel 4; The wall body that the wall body in the first suction valve cone hole 11 is provided with first bridge of the nose flange, 3, the first exhaust valve seat holes 10 is provided with second bridge of the nose flange 26, offers first secondary channel 5 between the first suction valve cone hole 11 and the first exhaust valve seat hole 10.Like this, four passages of second secondary channel 4 of first secondary channel 5 of cylinder head water cavity formation lower floor water channel 6, upper strata water channel 7 and first bridge of the nose flange 3 and 26 formation of second bridge of the nose flange, the 3rd bridge of the nose flange 2 and 27 formation of the 4th bridge of the nose flange.The sectional area of lower floor's water channel 6 is less than the sectional area of upper strata water channel 7, makes the flow velocity of cooling water on velocity ratio upper strata of lower floor's cooling water fast.
Second secondary channel, 4 channel positions and big or small design by first secondary channel 5, the 3rd bridge of the nose flange 2 and the 4th bridge of the nose flange 27 to first bridge of the nose flange 3 and 26 formation of second bridge of the nose flange form are improved with cooling uniformity this water velocity everywhere and improve.
Claims (6)
1. water channel structure of cylinder cover, be included in cylinder head (21) and go up the first suction valve cone hole (11) that is provided with, the first exhaust valve seat hole (10), the second suction valve cone hole (14), the second exhaust valve seat hole (13) and oil sprayer sleeve pipe (12), the first suction valve cone hole (11), the first exhaust valve seat hole (10), the second suction valve cone hole (14) and the second exhaust valve seat hole (13) all be arranged on oil sprayer sleeve pipe (12) around, on cylinder head (21), offer bolt hole (9), oil inlet hole (22) and spill port (15), it is characterized in that: in cylinder head (21), center on the first suction valve cone hole (11), the first exhaust valve seat hole (10), the second suction valve cone hole (14) and the second exhaust valve seat hole (13) and intake duct (17), air outlet flue (18) offers lower floor's water channel (6) and upper strata water channel (7), be communicated with by being communicated with water channel (23) between lower floor's water channel (6) and the upper strata water channel (7), offer the water inlet (16) that links to each other with lower floor's water channel (6) in the bottom of cylinder head (21), tip portion in cylinder head (21) offers the weep hole (19) that links to each other with upper strata water channel (7), offer first intercommunicating pore (24) in the first exhaust valve seat hole (10) and the second exhaust valve seat hole (13), first intercommunicating pore (24) with lower floor's water channel (6) of a side be communicated with water channel (23) and connect, between the first suction valve cone hole (11) and the second suction valve cone hole (14), offer second intercommunicating pore (25), second intercommunicating pore (25) with lower floor's water channel (6) of opposite side be communicated with water channel (23) and connect.
2. water channel structure of cylinder cover as claimed in claim 1, it is characterized in that: the wall body in the described first suction valve cone hole (11) is provided with first bridge of the nose flange (3), the wall body in the first exhaust valve seat hole (10) is provided with second bridge of the nose flange (26), and first bridge of the nose flange (3) cooperates with second bridge of the nose flange (26).
3. water channel structure of cylinder cover as claimed in claim 1, it is characterized in that: offer first secondary channel (5) between the described first suction valve cone hole (11) and the first exhaust valve seat hole (10), first secondary channel (5) with lower floor's water channel (6) be communicated with water channel (23) and connect.
4. water channel structure of cylinder cover as claimed in claim 1, it is characterized in that: the wall body in the described second suction valve cone hole (14) is provided with the 3rd bridge of the nose flange (2), the wall body in the second exhaust valve seat hole (13) is provided with the 4th bridge of the nose flange (27), the 3rd bridge of the nose flange (2) cooperates with the 4th bridge of the nose flange (27), and the 3rd bridge of the nose flange (2) forms second secondary channel (4) with the 4th bridge of the nose flange (27).
5. water channel structure of cylinder cover as claimed in claim 1 is characterized in that: offer respiratory tract (8) on the described cylinder head (21).
6. water channel structure of cylinder cover as claimed in claim 1 is characterized in that: the sectional area of described lower floor water channel (6) is less than the sectional area of upper strata water channel (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010116966 CN101865047A (en) | 2010-01-28 | 2010-01-28 | Water channel structure of cylinder cover |
| PCT/CN2010/001869 WO2011091572A1 (en) | 2010-01-28 | 2010-11-22 | Water channel structrue for cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010116966 CN101865047A (en) | 2010-01-28 | 2010-01-28 | Water channel structure of cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101865047A true CN101865047A (en) | 2010-10-20 |
Family
ID=42956932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010116966 Pending CN101865047A (en) | 2010-01-28 | 2010-01-28 | Water channel structure of cylinder cover |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101865047A (en) |
| WO (1) | WO2011091572A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011091572A1 (en) * | 2010-01-28 | 2011-08-04 | 无锡开普动力有限公司 | Water channel structrue for cylinder head |
| CN102305146A (en) * | 2011-08-19 | 2012-01-04 | 中国兵器工业集团第七○研究所 | Novel diesel engine cylinder cover |
| CN102705099A (en) * | 2012-06-27 | 2012-10-03 | 无锡开普动力有限公司 | Cooling structure of engine cylinder cover |
| CN103867332A (en) * | 2012-12-17 | 2014-06-18 | 安徽华菱汽车有限公司 | Water-cooled engine and cylinder cover thereof |
| CN103993973A (en) * | 2014-04-18 | 2014-08-20 | 中国北方发动机研究所(天津) | Air cylinder cover water cavity structure with exhaust valve seat ring cooling water channel |
| CN105339639A (en) * | 2013-07-04 | 2016-02-17 | Avl里斯脱有限公司 | Cylinder head for internal combustion engine |
| CN105392973A (en) * | 2013-05-08 | 2016-03-09 | Avl里斯脱有限公司 | Cylinder head for an internal combustion engine |
| CN105715402A (en) * | 2016-02-04 | 2016-06-29 | 潍柴动力股份有限公司 | Cooling water cavity structure of air cylinder cover and air cylinder cover |
| CN107614866A (en) * | 2014-12-26 | 2018-01-19 | 洋马株式会社 | Engine |
| 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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485921A (en) * | 2013-09-24 | 2014-01-01 | 中国北方发动机研究所(天津) | Uniform cooling double-layer-water-cavity cylinder cover for highly-intensified diesel engine |
| US11022020B2 (en) * | 2018-09-18 | 2021-06-01 | Deere & Company | Cylinder head with improved valve bridge cooling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1025231C (en) * | 1992-06-22 | 1994-06-29 | 铁道部大连机车车辆工厂 | Cylinder head |
| CN200985836Y (en) * | 2006-12-06 | 2007-12-05 | 陈焕春 | Forced cooling water pipe of cylinder head |
| CN201306225Y (en) * | 2008-11-07 | 2009-09-09 | 无锡动力工程股份有限公司 | High-strength cylinder cover with two layers of water channels |
| CN101865047A (en) * | 2010-01-28 | 2010-10-20 | 无锡开普动力有限公司 | Water channel structure of cylinder cover |
| CN201620963U (en) * | 2010-01-28 | 2010-11-03 | 无锡开普动力有限公司 | Water-channel structure of cylinder cover |
-
2010
- 2010-01-28 CN CN 201010116966 patent/CN101865047A/en active Pending
- 2010-11-22 WO PCT/CN2010/001869 patent/WO2011091572A1/en active Application Filing
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011091572A1 (en) * | 2010-01-28 | 2011-08-04 | 无锡开普动力有限公司 | Water channel structrue for cylinder head |
| CN102305146A (en) * | 2011-08-19 | 2012-01-04 | 中国兵器工业集团第七○研究所 | Novel diesel engine cylinder cover |
| CN102705099A (en) * | 2012-06-27 | 2012-10-03 | 无锡开普动力有限公司 | Cooling structure of engine cylinder cover |
| CN103867332A (en) * | 2012-12-17 | 2014-06-18 | 安徽华菱汽车有限公司 | Water-cooled engine and cylinder cover thereof |
| CN103867332B (en) * | 2012-12-17 | 2016-06-29 | 安徽华菱汽车有限公司 | A kind of water-cooled engine and cylinder head thereof |
| CN105392973A (en) * | 2013-05-08 | 2016-03-09 | Avl里斯脱有限公司 | Cylinder head for an internal combustion engine |
| CN105392973B (en) * | 2013-05-08 | 2018-10-09 | Avl里斯脱有限公司 | Cylinder cap for internal combustion engine |
| CN105339639A (en) * | 2013-07-04 | 2016-02-17 | Avl里斯脱有限公司 | Cylinder head for internal combustion engine |
| CN103993973A (en) * | 2014-04-18 | 2014-08-20 | 中国北方发动机研究所(天津) | Air cylinder cover water cavity structure with exhaust valve seat ring cooling water channel |
| CN107614866A (en) * | 2014-12-26 | 2018-01-19 | 洋马株式会社 | Engine |
| CN107614866B (en) * | 2014-12-26 | 2019-04-23 | 洋马株式会社 | Engine |
| CN105715402A (en) * | 2016-02-04 | 2016-06-29 | 潍柴动力股份有限公司 | Cooling water cavity structure of air cylinder cover and air cylinder cover |
| CN105715402B (en) * | 2016-02-04 | 2018-08-07 | 潍柴动力股份有限公司 | A kind of Cooling Water Jacket of Cylinder Head structure and cylinder head |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011091572A1 (en) | 2011-08-04 |
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Open date: 20101020 |