CN109611233A - A kind of engine air cylinder head structure - Google Patents
A kind of engine air cylinder head structure Download PDFInfo
- Publication number
- CN109611233A CN109611233A CN201910080356.3A CN201910080356A CN109611233A CN 109611233 A CN109611233 A CN 109611233A CN 201910080356 A CN201910080356 A CN 201910080356A CN 109611233 A CN109611233 A CN 109611233A
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- rocker
- camshaft
- bearing
- arm shaft
- 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
Links
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
- F01L3/04—Coated valve members or valve-seats
-
- 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
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
Abstract
The present invention relates to a kind of engine air cylinder head structures, including cylinder head, valve retainer, exhaust manifold, Cam bearing pedestal, camshaft bearing lid, rocker bearing seat and the rocker arm shaft being mounted on rocker bearing seat, the rocker bearing seat setting is covered in camshaft bearing, and valve retainer and cylinder head are integrally formed；Exhaust manifold is integrated in cylinder head exhaust side；The sealing cone of valve retainer and/or cylinder head bottom surface are coated with ceramic coating；Cam bearing pedestal and cylinder head integrally casting, camshaft bearing lid go up from Cam bearing pedestal and break, and camshaft bearing lid and Cam bearing pedestal pass through the disconnecting contacting surface that rises and cooperate；The shaft-cup fabrication hole of two sides installation camshaft is coaxially processed into round and is sealed using bowl-type plug in cylinder head；The upper surface of rocker arm shaft and the lower end surface of rocker arm shaft are plane, and installation supporting plane is provided on rocker bearing seat, install supporting plane into plane.The present invention reduces manufacturing procedures, improve the convenience of installation.
Description
Technical field
The invention belongs to engine manufacturing technology fields, and in particular to a kind of engine air cylinder head structure.
Background technique
The sealing of the inlet and exhaust valve of engine relies on valve retainer, makees relative impact movement, valve seating with engine valve
Circle is subjected to impact, beating, abrasion and the erosion of intake and exhaust stream of valve, oxidation at high temperature, operating condition and its severe,
Its quality directly affects the performance and reliability of engine.Valve retainer is usually high hardness wear-resisting heat proof material, the prior art
Valve retainer is first usually assembled in cylinder head machine-shaping of then reaming again, it is then heat-resisting, wear-resisting in one layer of surface spraying
Strong coating, manufacturing cost are higher with inoxidizability.Such as Chinese patent CN101881197A, a kind of wear-resisting type valve is disclosed
Seat, including valve seating main body made of metal enhance compound in the sealing cone setting ceramic particle of valve seating main body
Coating, while realizing makes inferior grade alloy cast iron material realize that high-performance surface layer is modified, reaches part low cost and worksheet
The high performance optimal combination in face, economizes on resources, and has and improves good superior of valve seating whole service life, product technology stability
Property.Although but the structure improves the working performance and service life of valve retainer, valve retainer using ceramic spraying layer
It is designed with cylinder head fission, first valve retainer is assembled in cylinder head and is being processed, assembly and processing cost are higher.
Summary of the invention
The present invention provides a kind of engine air cylinder head structure, the valve retainer and cylinder head of intake and exhaust be it is integrated, keep away
Other processing valve retainer components are exempted from, have reduced processing and assembly cost, valve retainer, cylinder are directly processed in cylinder head
Base face and cylinder head sealing cone spraying ceramic materials, thermal coefficient is low, wear-resistant, can reduce heat by cylinder cover bottom surface and
Air flue transmitting, reduces cylinder cover bottom surface temperature, reduces bottom surface thermal fatigue cracking failure, improves engine thermal efficiency.
Technical scheme is as follows: a kind of engine air cylinder head structure, including cylinder head, valve retainer, exhaust discrimination
Pipe, Cam bearing pedestal, camshaft bearing lid, rocker bearing seat and the rocker arm shaft being mounted on rocker bearing seat, the rocker bearing
Seat setting is covered in the camshaft bearing, and the valve retainer and the cylinder head are integrally formed；The exhaust manifold is integrated in
Cylinder head is vented side；The sealing cone of the valve retainer and/or cylinder head bottom surface are coated with ceramic coating；The cam
Bearing block and the cylinder head integrally casting, the camshaft bearing lid go up from the Cam bearing pedestal and break, the camshaft bearing
Lid and the Cam bearing pedestal pass through disconnecting contacting surface cooperation of rising；The shaft-cup fabrication hole of two sides installation camshaft coaxially adds in cylinder head
Work is sealed at circle and using bowl-type plug；The upper surface of the rocker arm shaft and the lower end surface of the rocker arm shaft are plane, described
The installation supporting plane with the cooperation of the lower end surface of the rocker arm shaft is provided on rocker bearing seat, the installation supporting plane adds
Work is at same plane.Traditional installation manufacturing procedure is eliminated, components and assembly cost, the sealed taper of valve retainer are reduced
Face spraying ceramic materials, thermal coefficient is low, wear-resistant.The cylinder head bottom surface is also coated with ceramic coating, by ceramic coated
Coating reduces heat and is transmitted by cylinder cover bottom surface and air flue, reduces cylinder cover bottom surface temperature, reduces bottom surface thermal fatigue cracking failure, mentions
High engine thermal efficiency；Exhaust manifold is integrated with cylinder cap keeps the high temperature of rubber and plastic part far from exhaust pipe and increase device auxiliary
It penetrates, the durability and reliability of part increase；Prior art shaft-cup fabrication hole is usually designed as a semicircle, the disadvantage is that cooperating with it
Cylinder cap be also required to process corresponding semicircle, machining accuracy and also very high to seal request is not only required, by cylinder two
The shaft-cup fabrication hole of side is coaxially processed into full circle, solves the problems, such as to need to repeat calibration accuracy, convex to installing using bowl-type plug
Wheel shaft is sealed, and integral plane is respectively set in rocker arm shaft upper and lower end face, convenient for the machine-shaping and subsequent peace of rocker arm shaft
Dress technique.
It preferably, further include rocker bearing seat, the camshaft bearing lid and the rocker bearing seat integrally casting.
Preferably, the ceramic coating with a thickness of 0.6~0.9mm, which had not only saved cost but also can guarantee resistance to
Mill and insulation requirement.
Preferably, the ceramic coating is alumina ceramic material, and hardness is big, and light-weight wear-resisting property is high.
Preferably, the ridge area between two adjacent valve retainers is provided with water channel, reinforces valve mounting struction
Cooling effect.
Detailed description of the invention
Fig. 1 is a kind of perspective view of engine air cylinder head structure of the present invention.
Fig. 2 is the bottom view of the Y-direction of Fig. 1.
Fig. 3 is rocker arm shaft scheme of installation of the present invention.
Fig. 4 is a kind of engine air cylinder head structure C-C cross-sectional view of the present invention.
Fig. 5 is a kind of A-A cross-sectional view of engine air cylinder head structure of the present invention.
Fig. 6 is the structural schematic diagram of the valve retainer of one embodiment of the present of invention.
Fig. 7 is the mounting structure schematic diagram of Cam bearing pedestal and camshaft bearing lid of the present invention.
In figure: 1, cylinder head；2, valve retainer；201, sealing cone；3, ceramic coating；4, water channel；5, exhaust manifold；6,
Cylinder head bottom surface；7, Cam bearing pedestal；8, camshaft bearing lid；9, rocker bearing seat；901, supporting plane is installed；10, shaft-cup work
Skill hole；11, rocker arm shaft；1101, upper surface；1102, lower end surface.
Specific embodiment
The present invention will be further described for 1-5 and embodiment with reference to the accompanying drawing:
A kind of engine air cylinder head structure, including cylinder head 1, valve retainer 2, exhaust manifold 5, Cam bearing pedestal 7, cam
Bearing cap 8, rocker bearing seat 9 and the rocker arm shaft 11 being mounted on rocker bearing seat 9, the rocker bearing seat 9 are arranged described
On camshaft bearing lid 8, the valve retainer 2 and the cylinder head 1 are integrally formed；The exhaust manifold 5 is integrated in 1 row of cylinder head
Gas side；The gentle cylinder cover bottom surface 6 of sealing cone 201 of the valve retainer 2 is coated with ceramic coating 3, the ceramic coating 3
With a thickness of 0.6mm；Ceramic coating 3 is made of alumina ceramic material；The Cam bearing pedestal 7 and 1 one of cylinder head
Casting, the camshaft bearing lid 8 go up from the Cam bearing pedestal 7 and break, the camshaft bearing lid 8 and the Cam bearing pedestal 7
Pass through disconnecting contacting surface cooperation of rising；The shaft-cup fabrication hole 10 of two sides installation camshaft is coaxially processed into round and uses in cylinder head 1
The sealing of bowl-type plug；The upper surface 1101 of the rocker arm shaft 11 and the lower end surface 1102 of the rocker arm shaft 11 are plane, described to shake
The installation supporting plane 901 with the cooperation of the lower end surface 1102 of the rocker arm shaft 11, the installation support are provided on arm bearing block 9
Plane 901 is processed into same plane.Traditional installation manufacturing procedure is eliminated, components and assembly cost, valve are reduced
The sealing cone spraying ceramic materials of seat ring 2, thermal coefficient is low, wear-resistant.The cylinder head bottom surface 6 is also coated with ceramic coating
3, heat is reduced by spraying ceramic coat and is transmitted by cylinder cover bottom surface and air flue, cylinder cover bottom surface temperature is reduced, reduces bottom surface heat
Fatigue cracking failure, improves engine thermal efficiency；Exhaust manifold 5 and cylinder cap, which are integrated, makes rubber and plastic part far from exhaust pipe
And increase device high temperature it is auxiliary penetrate, the durability and reliability of part increase；Prior art shaft-cup fabrication hole is usually designed as a semicircle,
The disadvantage is that cylinder cap engaged therewith is also required to process corresponding semicircle, not only needs higher precision and be also in sealing
One problem is sealed installation camshaft using bowl-type plug by the way that shaft-cup fabrication hole is processed into full circle.By respectively
The upper and lower end face of rocker arm shaft, the supporting plane of rocker bearing seat are designed to plane, easily facilitate the processing of components and subsequent
Mounting process.
Further include rocker bearing seat 9 as shown in fig. 7, its technical solution is further, the camshaft bearing lid 8 with it is described
9 integrally casting of rocker bearing seat.
As shown in fig. 6, in other one embodiment, the difference is that, the only sealing of the valve retainer 2
On the conical surface 201 be coated with ceramic coating 3, the ceramic coating 3 with a thickness of 0.9mm.As shown in figure 5, in an other reality
It applies in example, the gentle cylinder cover bottom surface 6 of sealing cone 201 of the valve retainer 2 is coated with ceramic coating 3, the ceramic coating 3
With a thickness of 0.75mm.
Claims (4)
1. a kind of engine air cylinder head structure, including cylinder head (1), valve retainer (2), exhaust manifold (5), Cam bearing pedestal
(7), camshaft bearing lid (8), rocker bearing seat (9) and the rocker arm shaft (11) being mounted on rocker bearing seat (9), the rocker arm shaft
It holds seat (9) to be arranged on the camshaft bearing lid (8), it is characterised in that: the valve retainer (2) and the cylinder head (1) one
It is body formed；The exhaust manifold (5) is integrated in cylinder head (1) exhaust side；The sealing cone (201) of the valve retainer (2)
And/or cylinder head bottom surface (6) are coated with ceramic coating (3)；The Cam bearing pedestal (7) and the cylinder head (1) are integrally cast
It makes, the camshaft bearing lid (8) is gone up from the Cam bearing pedestal (7) and breaks, the camshaft bearing lid (8) and the camshaft bearing
Seat (7) passes through disconnecting contacting surface cooperation of rising；The shaft-cup fabrication hole (10) of two sides installation camshaft is coaxially processed into circle in cylinder head (1)
Shape and use bowl-type plug sealing；The upper surface (1101) of the rocker arm shaft (11) and the lower end surface (1102) of the rocker arm shaft (11)
It is plane, the installation branch with the cooperation of the lower end surface (1102) of the rocker arm shaft (11) is provided on the rocker bearing seat (9)
It supports plane (901), the installation supporting plane (901) is processed into same plane.
2. a kind of engine air cylinder head structure according to claim 1, it is characterised in that: the camshaft bearing lid (8) with
Rocker bearing seat (9) integrally casting.
3. a kind of engine air cylinder head structure according to claim 1, it is characterised in that: the thickness of the ceramic coating (3)
Degree is 0.6~0.9mm.
4. a kind of engine air cylinder head structure according to claim 1, it is characterised in that: the ceramic coating (3) is oxygen
Change aluminium ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080356.3A CN109611233A (en) | 2019-01-28 | 2019-01-28 | A kind of engine air cylinder head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080356.3A CN109611233A (en) | 2019-01-28 | 2019-01-28 | A kind of engine air cylinder head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109611233A true CN109611233A (en) | 2019-04-12 |
Family
ID=66018363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910080356.3A Pending CN109611233A (en) | 2019-01-28 | 2019-01-28 | A kind of engine air cylinder head structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611233A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107422A (en) * | 2019-06-18 | 2019-08-09 | 安徽航瑞航空动力装备有限公司 | Diesel engine cylinder head and diesel engine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2866835Y (en) * | 2006-01-24 | 2007-02-07 | 潍柴动力股份有限公司 | Engine rocking arm shaft support |
| CN201280957Y (en) * | 2008-07-24 | 2009-07-29 | 比亚迪股份有限公司 | Cam shaft hole seal structure |
| CN201747472U (en) * | 2010-06-05 | 2011-02-16 | 锐展(铜陵)科技有限公司 | Engine cylinder cover |
| CN202468048U (en) * | 2012-03-16 | 2012-10-03 | 宁波市龙嘉摩托车有限公司 | Improved motorcycle water-cooling cylinder head |
| CN203756354U (en) * | 2014-03-14 | 2014-08-06 | 北汽福田汽车股份有限公司 | Engine and vehicle with engine |
| CN104989546A (en) * | 2015-07-16 | 2015-10-21 | 东风商用车有限公司 | Rocker arm compartment assembly for heavy-duty diesel engine |
| CN105569867A (en) * | 2015-07-24 | 2016-05-11 | 襄阳市普创机电设备有限公司 | cylinder head for natural gas engine |
| CN107514316A (en) * | 2015-05-18 | 2017-12-26 | 夏志清 | A kind of diesel engine cylinder head |
| CN207064091U (en) * | 2017-05-31 | 2018-03-02 | 襄阳钛虎动力工程有限公司 | A kind of cylinder head |
| CN209671085U (en) * | 2019-01-28 | 2019-11-22 | 广西玉柴机器股份有限公司 | A kind of engine air cylinder head structure |
-
2019
- 2019-01-28 CN CN201910080356.3A patent/CN109611233A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2866835Y (en) * | 2006-01-24 | 2007-02-07 | 潍柴动力股份有限公司 | Engine rocking arm shaft support |
| CN201280957Y (en) * | 2008-07-24 | 2009-07-29 | 比亚迪股份有限公司 | Cam shaft hole seal structure |
| CN201747472U (en) * | 2010-06-05 | 2011-02-16 | 锐展(铜陵)科技有限公司 | Engine cylinder cover |
| CN202468048U (en) * | 2012-03-16 | 2012-10-03 | 宁波市龙嘉摩托车有限公司 | Improved motorcycle water-cooling cylinder head |
| CN203756354U (en) * | 2014-03-14 | 2014-08-06 | 北汽福田汽车股份有限公司 | Engine and vehicle with engine |
| CN107514316A (en) * | 2015-05-18 | 2017-12-26 | 夏志清 | A kind of diesel engine cylinder head |
| CN104989546A (en) * | 2015-07-16 | 2015-10-21 | 东风商用车有限公司 | Rocker arm compartment assembly for heavy-duty diesel engine |
| CN105569867A (en) * | 2015-07-24 | 2016-05-11 | 襄阳市普创机电设备有限公司 | cylinder head for natural gas engine |
| CN207064091U (en) * | 2017-05-31 | 2018-03-02 | 襄阳钛虎动力工程有限公司 | A kind of cylinder head |
| CN209671085U (en) * | 2019-01-28 | 2019-11-22 | 广西玉柴机器股份有限公司 | A kind of engine air cylinder head structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107422A (en) * | 2019-06-18 | 2019-08-09 | 安徽航瑞航空动力装备有限公司 | Diesel engine cylinder head and diesel engine |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
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| RJ01 | Rejection of invention patent application after publication |