CN201757008U - Electronic spray type cylinder head for automobile engine - Google Patents
Electronic spray type cylinder head for automobile engine Download PDFInfo
- Publication number
- CN201757008U CN201757008U CN2010202994112U CN201020299411U CN201757008U CN 201757008 U CN201757008 U CN 201757008U CN 2010202994112 U CN2010202994112 U CN 2010202994112U CN 201020299411 U CN201020299411 U CN 201020299411U CN 201757008 U CN201757008 U CN 201757008U
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- China
- Prior art keywords
- hole
- cam shaft
- cylinder head
- exhaust
- cylinder lid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses an electronic spray type cylinder head for an automobile engine, which comprises a cylinder head body, wherein an exhaust passage, an admission passage, a spark plug hole, an exhaustion hydraulic tappet hole and an admission hydraulic tappet hole are arranged in the inner chamber of the cylinder head body; an exhaust camshaft half hole and an admission camshaft half hole are formed in the cylinder head body, an exhaustion valve guide communicated with the exhaust passage and an admission valve guide communicated with the admission passage are also arranged on the cylinder head body, a concave quincunxial combustion chamber is arranged on the cylinder head body, is positioned on the bottom surface of the cylinder head body, and is communicated with openings at one end of the exhaust passage and that of the admission passage and the spark plug hole; the openings at the other end of the exhaust passage and that of the admission passage are respectively positioned on the two opposite side surfaces of the cylinder head body, and the exhaust passage and the admission passage are arranged in the cylinder head body obliquely and form an included angle ranging from 18 degrees to 25 degrees with the horizontal direction. The improved electronic spray type cylinder head for the automobile engine has high efficiency, low oil consumption, little contamination, advanced design, compact structure, and reliable performance.
Description
Technical field
The utility model relates to the engine cylinder accessory technical field of automobile, a kind of improved electric-jet type cylinder cover of automobile engine of more specifically saying so.
Background technique
Well-known cylinder head belongs to distribution device in internal-combustion engine, mainly be to be used for sealing cylinder upper, constitutes the firing chamber, and also has the support of air inlet-outlet pipe as camshaft and pitman arm shaft.Mainly be that air is drawn onto cylinder internal, burning mixture is lighted in spark-plug hole, drives the piston acting, and waste gas is discharged from outlet pipe.
Along with the direction of motor car engine to high efficiency, low oil consumption, of low pollution develops, in view of the important function of cylinder head in whole cylinder, it is particularly important that the improvement of cylinder head just seems, it is more and more complicated that air cylinder head structure also becomes.
Such as Chinese utility model patent 03216817 disclosed a kind of direct injection diesel engine cylinder head, comprise the cylinder lid, the inner chamber of cylinder lid is provided with intake duct, air outlet flue and cooling water chamber, on the cylinder lid, be provided with the cylinder head bolt hole, oil leab, the valve actuating push rod hole, mounting hole of oil sprayer, the intake valve conduit that is communicated with intake duct, the exhaust valve guide that is communicated with air outlet flue, cooling water hole that is communicated with cooling water chamber and the sand removal hole that is arranged on each surperficial double as cooling water hole of going up and being communicated with cooling water chamber, be positioned at the intake duct position at the cylinder head body and be provided with inlet valve seat ring, be positioned at the air outlet flue position and be provided with exhaust valve seat insert, the adjoiner of intake duct and air outlet flue is bridge of the nose district, and its structural feature is that intake duct is a spiral inlet duct.Adopt this direct injection diesel engine cylinder head, reduced fuel consume, improved low-temperature startup performance.
Such as Chinese utility model patent 200720081396 disclosed engine cylinder covers, comprising: the cylinder head of one group of firing chamber is arranged, it is characterized in that again: the edge rounding off in the crowded stream zone on spark-plug hole boss opposite in the described cylinder cover chamber; The edge minimum width that squeezes the stream zone is that 8-10mm, edge line are the circular arc or the batten of transition slyness.This cylinder head can reduce the fuel oil consumption, prevent the generation of pinking.
Above-mentioned two kinds of cylinder heads all can reduce the fuel oil consumption, it also is the target that those skilled in the art are constantly making great efforts, but can reach optimum is a dreamboat that is difficult to reach, but we can use for reference the advantage of above-mentioned two kinds of cylinder heads, remake the significant improvement that makes new advances, cylinder head just can be again to high efficiency, low fuel oil consumption, of low pollution direction further.
The model utility content
The purpose of this utility model is to overcome that prior art cylinder head efficient is not high, not low, the heavy-polluted deficiency of oil consumption, and the electric-jet type cylinder cover of automobile engine of a kind of high efficiency, low oil consumption, of low pollution, compact structure, reliable performance is provided.
In order to reach above purpose, the utility model is to be achieved through the following technical solutions: a kind of electric-jet type cylinder cover of automobile engine, comprise the cylinder lid, the inner chamber of cylinder lid is provided with air outlet flue, intake duct, cooling water chamber, lubricating oil path and spark-plug hole, in exhaust cam shaft half hole and admission cam shaft half hole that the cylinder lid is upper about being respectively equipped with the lateral direction penetrating cylinder lid that is the ladder cavate in the spark-plug hole both sides, on the cylinder lid, also be provided with the exhaust hydraulic tappet hole that is connected with exhaust cam shaft half hole, the air inlet hydraulic tappet hole that is connected with admission cam shaft half hole, the exhaust valve conduit that is connected with air outlet flue, the intake valve conduit that is connected with intake duct, it is characterized in that, described cylinder lid is provided with and is the quincuncial firing chamber of concave surface, and the firing chamber is positioned at the bottom surface and the air outlet flue of cylinder lid, one end opening of intake duct and the equal conducting of spark-plug hole; The other end opening of air outlet flue and intake duct lays respectively on two pairs of sides of cylinder lid, and air outlet flue and intake duct are obliquely installed in the cylinder lid and all from the horizontal by 18 ° to 25 ° angles.
Cylinder head be installed in cylinder body above, from the top seal cylinder and constitute the firing chamber.It often contacts with high-temperature high-pressure fuel gas, therefore bears very big heat load and mechanical load.The cylinder head inside of water cooled engine is shaped on cooling jacket, and the cooling water hole of cylinder cap lower end surface communicates with the cooling water hole of cylinder body.Utilize circulating water to come high-temperature part such as cooling combustion chamber.The inlet and outlet gate seat is housed on the cylinder cap, and valve guide hole is used to be installed into, exhaust valve, also has gas-entered passageway and exhaust passage etc.Be processed with the hole (being processed with the hole that oil sprayer is installed on the cylinder head of diesel engine) that spark-plug hole is installed on the cylinder head of petrol engine.Also be processed with the camshaft bearing hole on the cylinder head of cammer, in order to camshaft to be installed.Cylinder head is the constituent element of firing chamber, and the shape of firing chamber is very big to the work influence of motor, because the combustion manner of petrol engine and diesel engine is different, the part difference of forming the firing chamber on its cylinder head is bigger.The firing chamber of petrol engine is mainly on cylinder head.Combustion chamber volume is an important parameter (composition of air displacement) of motor, its combustion chamber volume error also directly influences motor " detonation " rate, influences engine stabilization, the fitness for purpose volume error that is to say and has only several milliliters of errors at zero point in 2.5%; The cooling water chamber shape of cylinder cap inside and volume size all can be directly influential to the working life of motor.
The combustion chamber is designed to quincunx, suction tude becomes 23.995 ° of angles with level, air outlet flue becomes 20.187 ° of angles with level, the inflow of fresh inflammable mixture and the discharging fully of waste gas are convenient in design like this, make mixture combustion more abundant, when having reduced oil consumption, improved the cylinder working efficiency, also the pollution of Jian Shaoing.The firing chamber is quincunx, by processing can accurately control each cylinder difference in volume less than 2%, each cylinder difference in volume is less than 1%, the stationarity when helping engine operation prevents the generation of pinking.Valve guide bushing adopts the CuZn40Al2 material, has increased the thermal conductivity and the wear resistance of valve guide bushing.Valve guide bushing and air valve seat ring completion of processing in the lump on processing technology has guaranteed its coaxality in addition, has increased charging efficiency greatly simultaneously, has prolonged the life-span of valve group.
As preferably, described exhaust cam shaft half hole is provided with the exhaust watt bar that matches with exhaust cam shaft; Described admission cam shaft half hole is provided with the air inlet watt bar that matches with admission cam shaft; Exhaust watt bar and air inlet watt bar all are arch-shaped.Camshaft adopts the up-set type camshaft, camshaft directly drives tappet, the pushing valve carries out work, the easy so greatly transmission device of distribution device, adopted hydraulic tappet simultaneously, cancel the adjusting strip of valve clearance in the past, can compensate the valve clearance automatically, guaranteed the normality and the Economy of the long-term running of motor.
As preferably, on the cylinder head body side surface, be provided with the clear husky hole that is conducted with cooling water chamber.Clear husky hole has another name called auxiliary hole, conveniently the manufacturing of built-in cooling water chamber.
As preferably, locate to be provided with camshaft chain holding cavity in the upper homonymy aperture of cylinder lid in exhaust cam shaft half hole and admission cam shaft half hole.Camshaft chain holding cavity is set directly on the cylinder lid, does not adopt external, has guaranteed the cooperative work conformity of two camshafts.
Beneficial effect: The combustion chamber is designed to quincunx, suction tude becomes 23.995 ° of angles with level, air outlet flue becomes 20.187 ° of angles with level, the inflow of fresh inflammable mixture and the discharging fully of waste gas are convenient in design like this, make mixture combustion more abundant, when having reduced oil consumption, improved the cylinder working efficiency, also the pollution of Jian Shaoing.The firing chamber is quincunx, by processing can accurately control each cylinder volume less than 2%, each cylinder difference in volume is less than 1%, the stationarity when helping engine operation prevents the generation of pinking.Valve guide bushing adopts the CuZn40Al2 material, has increased the thermal conductivity and the wear resistance of valve guide bushing.Valve guide bushing and air valve seat ring completion of processing in the lump on processing technology has guaranteed its coaxality in addition, has increased charging efficiency greatly simultaneously, has prolonged the life-span of valve group.
Description of drawings
Fig. 1 is the utility model plan structure schematic representation;
Fig. 2 looks up structural representation for the utility model;
Fig. 3 is the utility model left side TV structure schematic representation;
Fig. 4 is the right TV structure schematic representation of the utility model.
Among the figure: 1-cylinder lid, 2-screw hole, 3-bolt hole, 4-camshaft chain holding cavity, 5-1-exhaust cam shaft half hole, 5-2-admission cam shaft half hole, the clear husky hole of 6-, 7-exhaust watt bar, 8-air inlet watt bar, 9-1,9-2-exhaust hydraulic tappet hole, 10-1,10-2,10-3-air inlet hydraulic tappet hole, 11-spark-plug hole, the 12-firing chamber, 13-1,13-2-air outlet flue, 14-1,14-2,14-3-intake duct, 15-1,15-2-exhaust valve conduit, 16-1,16-2,16-3-intake valve conduit.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing the utility model is further described.
Embodiment 1: as shown in Figure 1, a kind of electric-jet type cylinder cover of automobile engine (having another name called 5 valve Dual Over Head Camshaft cylinder heads), comprise cylinder lid 1, cylinder lid 1 has adopted the novel aluminum alloy material that adds trace element on the cast aluminium alloy basis, whole element is mainly Al-Si-Cu-based, comprise Si, Cu, Mg, Mn, Ti, Zn, Fe, Pb, Sn, Al, in proof strength, alleviated the overall weight of motor, be convenient to the heat radiation of motor and the raising of effect.
The inner chamber of cylinder lid 1 is provided with air outlet flue 13-1,13-2, intake duct 14-1,14-2,14-3, cooling water chamber (not shown), lubricating oil path (not shown) and spark-plug hole 11.On cylinder lid 1, also be provided with the exhaust hydraulic tappet hole 9-1, the 9-2 that are connected with exhaust cam shaft half hole 5-1, the air inlet hydraulic tappet hole 10-1,10-2, the 10-3 that are connected with admission cam shaft half hole 5-2, the exhaust valve conduit 15-1, the 15-2 that are connected with air outlet flue 13-1,13-2, the intake valve conduit 16-1,16-2, the 16-3 that are connected with intake duct 14-1,14-2,14-3.On cylinder lid 1 left and right side, be provided with the clear husky hole 6 that is conducted with cooling water chamber.
As shown in Figure 3 and Figure 4, exhaust cam shaft half hole 5-1 and admission cam shaft half hole 5-2 about being positioned at spark-plug hole 11 both sides on the cylinder lid 1 to be respectively equipped with the lateral direction penetrating cylinder lid 1 that is the ladder cavate, exhaust cam shaft half hole 5-1 is provided with the exhaust watt bar 7 that matches with exhaust cam shaft; Described admission cam shaft half hole 5-2 is provided with the air inlet watt bar 8 that matches with admission cam shaft; Exhaust watt bar 7 and air inlet watt bar 8 all are arch-shaped.The place, homonymy aperture that is positioned at exhaust cam shaft half hole 5-1 and admission cam shaft half hole 5-2 on cylinder lid 1 is provided with camshaft chain holding cavity 4.
As shown in Figure 2, cylinder lid 1 is provided with and is the quincuncial firing chamber 12 of concave surface, and firing chamber 12 is positioned at bottom surface and air outlet flue 13-1,13-2, intake duct 14-1,14-2,14-3 and the spark-plug hole 11 equal conductings of cylinder lid 1; Be provided with 2 exhaust valve seat inserts and 3 inlet valve seat rings in 12 concave surfaces of firing chamber, exhaust valve seat insert and inlet valve seat ring are respectively air outlet flue and intake duct in the import and export in firing chamber 12 on the cylinder lid 1, the outlet of air outlet flue 13-1,13-2 is on the trailing flank of cylinder lid 1, and the import of intake duct 14-1,14-2,14-3 is on the leading flank of cylinder lid 1.Be that air outlet flue 13-1,13-2 are obliquely installed in cylinder lid 1 from the horizontal by 20.187 ° of angles.Intake duct 14-1,14-2,14-3 are obliquely installed in cylinder lid 1 from the horizontal by 23.995 ° of angles.
Practical: cylinder head belongs to distribution device in internal-combustion engine, mainly is to be used for sealing cylinder upper, constitutes the firing chamber, and also has the support of air inlet-outlet pipe as camshaft and pitman arm shaft.Mainly be that air is drawn onto cylinder internal, burning mixture is lighted in spark-plug hole, drives the piston acting, and waste gas is discharged from outlet pipe.The combustion chamber is designed to quincunx, suction tude becomes 23.995 ° of angles with level, air outlet flue becomes 20.187 ° of angles with level, the inflow of fresh inflammable mixture and the discharging fully of waste gas are convenient in design like this, make mixture combustion more abundant, when having reduced oil consumption, improved the cylinder working efficiency, also the pollution of Jian Shaoing.Firing chamber of the present utility model is quincunx, by processing can accurately control each cylinder volume less than 2%, each cylinder difference in volume is less than 1%, the stationarity when helping engine operation prevents the generation of pinking.Valve guide bushing adopts the CuZn40Al2 material, has increased the thermal conductivity and the wear resistance of valve guide bushing.Valve guide bushing and air valve seat ring completion of processing in the lump on processing technology has guaranteed its coaxality in addition, has increased charging efficiency greatly simultaneously, has prolonged the life-span of valve group.
Claims (5)
1. electric-jet type cylinder cover of automobile engine, comprise cylinder lid (1), the inner chamber of cylinder lid (1) is provided with air outlet flue (13-1,13-2), intake duct (14-1,14-2,14-3), cooling water chamber, lubricating oil path and spark-plug hole (11), in exhaust cam shaft half hole (5-1) and admission cam shaft half hole (5-2) that are positioned on the cylinder lid (1) about spark-plug hole (11) both sides are respectively equipped with the lateral direction penetrating cylinder lid (1) that is the ladder cavate, on cylinder lid (1), also be provided with the exhaust hydraulic tappet hole (9-1 that is connected with exhaust cam shaft half hole (5-1), 9-2), the air inlet hydraulic tappet hole (10-1 that is connected with admission cam shaft half hole (5-2), 10-2,10-3), with air outlet flue (13-1, exhaust valve conduit (the 15-1 that 13-2) is connected, 15-2), with intake duct (14-1,14-2, intake valve conduit (the 16-1 that 14-3) is connected, 16-2,16-3), it is characterized in that, described cylinder lid (1) is provided with and is the quincuncial firing chamber of concave surface (12), and firing chamber (12) are positioned at the bottom surface and the air outlet flue (13-1 of cylinder lid (1), 13-2), intake duct (14-1,14-2, end opening 14-3) and spark-plug hole (11) all are conducted; The other end opening of air outlet flue (13-1,13-2) and intake duct (14-1,14-2,14-3) lays respectively on two pairs of sides of cylinder lid (1), and air outlet flue (13-1,13-2) and intake duct (14-1,14-2,14-3) are obliquely installed in cylinder lid (1) and all from the horizontal by 18 ° to 25 ° angles.
2. electric-jet type cylinder cover of automobile engine according to claim 1 is characterized in that, described exhaust cam shaft half hole (5-1) is provided with the exhaust watt bar (7) that matches with exhaust cam shaft; Described admission cam shaft half hole (5-2) is provided with the air inlet watt bar (8) that matches with admission cam shaft; Exhaust watt bar (7) and air inlet watt bar (8) all are arch-shaped.
3. electric-jet type cylinder cover of automobile engine according to claim 1 and 2 is characterized in that, is provided with the clear husky hole (6) that is conducted with cooling water chamber on cylinder lid (1) side.
4. electric-jet type cylinder cover of automobile engine according to claim 1 and 2, it is characterized in that the place, homonymy aperture that is positioned at exhaust cam shaft half hole (5-1) and admission cam shaft half hole (5-2) on cylinder lid (1) is provided with camshaft chain holding cavity (4).
5. electric-jet type cylinder cover of automobile engine according to claim 3, it is characterized in that the place, homonymy aperture that is positioned at exhaust cam shaft half hole (5-1) and admission cam shaft half hole (5-2) on cylinder lid (1) is provided with camshaft chain holding cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202994112U CN201757008U (en) | 2010-08-20 | 2010-08-20 | Electronic spray type cylinder head for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202994112U CN201757008U (en) | 2010-08-20 | 2010-08-20 | Electronic spray type cylinder head for automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757008U true CN201757008U (en) | 2011-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202994112U Expired - Fee Related CN201757008U (en) | 2010-08-20 | 2010-08-20 | Electronic spray type cylinder head for automobile engine |
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|---|---|
| CN (1) | CN201757008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673832A (en) * | 2013-12-25 | 2014-03-26 | 重庆长安汽车股份有限公司 | Detecting tool for detecting rocker arm motion avoiding plane of irregular cavity of cylinder cover |
| CN110439703A (en) * | 2019-08-30 | 2019-11-12 | 湖北玛尔帕斯动力科技有限公司 | A kind of Vermicular Iron Cylinder Head for automobile engine |
-
2010
- 2010-08-20 CN CN2010202994112U patent/CN201757008U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673832A (en) * | 2013-12-25 | 2014-03-26 | 重庆长安汽车股份有限公司 | Detecting tool for detecting rocker arm motion avoiding plane of irregular cavity of cylinder cover |
| CN103673832B (en) * | 2013-12-25 | 2016-02-03 | 重庆长安汽车股份有限公司 | A kind of rocker motion detecting cylinder cap irregular cavity dodges the cubing of plane |
| CN110439703A (en) * | 2019-08-30 | 2019-11-12 | 湖北玛尔帕斯动力科技有限公司 | A kind of Vermicular Iron Cylinder Head for automobile engine |
| CN110439703B (en) * | 2019-08-30 | 2024-03-19 | 湖北玛尔帕斯动力科技有限公司 | Vermicular graphite cast iron cylinder cover for automobile engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110309 Termination date: 20170820 |