CN202391582U - Cylinder head structure for engine - Google Patents
Cylinder head structure for engine Download PDFInfo
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- CN202391582U CN202391582U CN201120413162XU CN201120413162U CN202391582U CN 202391582 U CN202391582 U CN 202391582U CN 201120413162X U CN201120413162X U CN 201120413162XU CN 201120413162 U CN201120413162 U CN 201120413162U CN 202391582 U CN202391582 U CN 202391582U
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a cylinder head structure for an engine. The cylinder head structure comprises an EGR (Exhaust Gas Recirculation) channel and a water outlet channel which are arranged in a cylinder head and are combined together; lug bosses serving as anti-thrust faces are respectively arranged at the two sides of a bearing cover on the top face of the cylinder head; engine oil supplied from a cylinder body is oiled through a lubricating oil oiling hole of a camshaft and an oiling hole of a DVCP (Dual Variability Cam Phase) oil supply channel; oil supplied from the lubricating oil oiling hole of the camshaft passes through a first channel, a second channel and a third channel, the third channel is communicated with a first hole, the oil enters a bearing cover of a front camshaft through the first hole, lubricates a first bearing and a second bearing through a way that the first hole passes through an oil tank, and simultaneously enters a hollow camshaft, and then, each camshaft journal is lubricated through the camshaft; and the other oiling channel is the DVCP oil supply channel. Due to a compact structural design, the weight of the cylinder head can be lighter; and meanwhile, as the temperature of exhaust gas in EGR is lower, the cylinder head structure for the engine is beneficial to the increase of the gas charging efficiency of the engine and the improvement on the emission of the engine.
Description
Technical field
The utility model relates to technical field of engines, relates in particular to a kind of new type gasoline engine cylinder cap structure.
Background technique
The cylinder cap of motor is carrying huge pressure of explosion and high FT as the part of firing chamber; The appropriate design of cylinder cap can improve the structural strength and the cooling effect of cylinder cap, and the performance that the intake duct of cylinder cap designs motor has very big influence.Put-put is to use more a kind of type at present.But from design, current put-put cylinder cap exists design of part not compact mostly, complex process, and cost is high, and pts wt is excessive, and burning and gas flow capability are crossed weakness such as difference.
Traditional put-put cylinder cap exists design unreasonable, and structure is not compact, complex process, and pts wt is excessive, and burning and gas flow capability are crossed problem and shortcomings such as difference.A kind of put-put cylinder cap of the utility model is compared with the conventional gasoline engin cylinder cap, and this design of part is compact more; Layout is more reasonable, and the better technological properties of part is simultaneously owing to the improvement to the cylinder cap intake duct; Gas flow capability is better, and inflation and emission performance are more superior.The integrated DVCP of this model utility cylinder cap (DVCP:
Dual variability cam phase) oil passageway, make the cylinder cap structure compact more, and processing technology is simple.
The model utility content
In order to solve problem in the existing technology, the utility model provides a kind of engine cylinder cover structure.It comprises the EGR that is arranged in the cylinder cap and combines (exhaust gas recirculatioon (Exhaust Gas Recirculation) passage and water outlet passage, the both sides of the bearing cap of top surface of cylinder cover are respectively equipped with the boss as thrust surface, the machine oil that comes from cylinder body oils through oily upper oil hole of camshaft lubrication and DVCP oil supply gallery upper oil hole; Oil second channel, third channel through first passage from camshaft lubrication oil upper oil hole; Third channel is communicated with first hole; Enter into front cam axle bearing lid through first hole, first hole is lubricated the clutch shaft bearing and second bearing through oil groove; Enter into the camshaft of hollow simultaneously; Through camshaft each camshaft bearing journal is lubricated, another passage that oils is the DVCP passage that oils, and enters into four-way through DVCP oil supply gallery upper oil hole; Enter into the five-way road again, through the five-way road enter into DVCP OCV (
OCV:Oil control valve) valve, through the OCV valve machine oil is assigned to second hole, hole, the 3rd hole, the 4th hole, the 5th hole then.
As the further improvement of the utility model, the upper right corner of said cylinder cap exhaust side is provided with exhaust cam shaft position sensor mounting hole.
As the further improvement of the utility model, the upper left corner of said cylinder cap air inlet side is provided with intake cam shaft position sensor mounting hole.
As the further improvement of the utility model, said cylinder cap is split type intake duct structure, and the air inlet ingress directly is divided into two fully independently intake ducts.
As the further improvement of the utility model, the exhaust flange face of cylinder cap adopts the hollow out design.
As the further improvement of the utility model, the rear end water outlet attachment face of cylinder cap adopts the hollow out design.
As the further improvement of the utility model, front-end face adopts the hollow out design.
As the further improvement of the utility model, adopt 45 degree attachment face designs on the air inlet attachment face, intake duct is prolonged, simultaneously to air flue bottom hollow out.
The utility model improvement by the way; Make the advantage of this part more outstanding, mainly show: the structural design of compact type makes the weight of cylinder cap lighter, simultaneously because the temperature of EGR waste gas is lower; Thereby help improving the motor charging efficiency, and improved the discharging of motor.Utilize cylinder bolt hole that machine oil is provided, and not cast special engine oil passage helps alleviating pts wt through the mach mode of body, also help saving simultaneously space and cost.Split type air passage structure is because when being used in combination with the changable type intake manifold; Can improve the induction swirl ratio of motor when low speed and increase combustion chamber flam progagation speed; Improve the low engine speed emission performance thereby play, reduce oil consumption, improve the effect of idle stability.The design of part of loss of weight formula has not only been saved material, has reduced cost, has reduced manufacturing procedure, can also reduce the oil consumption of motor simultaneously, reaches the effect of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the utility model cylinder cap normal view (stereogram);
Fig. 2 is the utility model cylinder cap exhaust side (plan view of Fig. 1);
Fig. 3 is the utility model cylinder cap air inlet side (rear view of Fig. 1);
Fig. 4 is the utility model cylinder cap water outlet flanged surface (right elevation of Fig. 1);
Fig. 5 is the utility model cylinder cap belt pulley side (left view of Fig. 1);
Fig. 6 is the utility model cylinder cap bottom plane (worm's eye view of Fig. 1);
Fig. 7 is the utility model cylinder cap oil duct flow graph;
Fig. 8 is the utility model top surface of cylinder cover front end view;
Fig. 9 is the utility model firing chamber view;
Figure 10 is the utility model cylinder cap front bearing retainer view.
Each component names is following among the figure: exhaust cam shaft position sensor mounting hole 1, intake cam shaft position sensor mounting hole 2, EGR passage 3, water outlet passage 4, clutch shaft bearing lid 5, the second bearing caps 6; Camshaft lubrication oil upper oil hole 7, DVCP oil supply gallery upper oil hole 8, the four-ways 9, first passage 10, second channel 11, third channel 12; First hole 13, oil groove 14, clutch shaft bearing 15, the second bearings 16, the second holes 17; 20, the five- way roads 21,19, the five holes, 18, the four holes, the 3rd hole, firing chamber first suction port 22; Firing chamber second suction port 23, exhaust flange face 24, air inlet attachment face 25, rear end water outlet attachment face 26, front-end face 27.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is further specified.
Extremely shown in Figure 2 like Fig. 1; The utility model adopts a kind of more compact cylinder cap layout; And on cylinder cap integrated intake and exhaust cam shaft position sensor mounting hole 1 and 2; CMPS Camshaft Position Sensor is directly installed on the cylinder cap, has both satisfied the processing that is easy to simple in structure, make structure compact more simultaneously again.The cylinder cap water outlet also adopts the compact structure design; As shown in Figure 3; EGR (exhaust gas recirculatioon (Exhaust Gas the Recirculation)) passage of chamber 3 for reserving, chamber 4 is the water outlet passage, this model utility design directly combines two passages; Both simplified design, can play effect simultaneously again the cooling of EGR waste gas.It is the design of camshaft thrust surface that this model utility adopts bearing cap; As shown in Figure 1, second bearing cap 5,6 of intake and exhaust side is the camshaft threust bearing lid; Bearing cap 5 and 6 both sides have outstanding boss respectively as thrust surface, thereby have guaranteed the location of camshaft.This model utility cylinder cap adopts a kind of compact type oil duct design proposal, makes the oil supply gallery of cylinder cap compact more easy.The machine oil that comes from cylinder body oils through upper oil hole 7 and 8, and is as shown in Figure 5.Upper oil hole 7 is a camshaft lubrication oil upper oil hole, and hole 8 is a DVCP oil supply gallery upper oil hole.7 oil from the hole through path 10 shown in Figure 7, passage 11, passage 12, the hole 13 in passage 12 connected graphs 8 enters into front cam axle bearing lid through hole 13.Shown in figure 10, hole 13 is lubricated bearing 15 and 16 through oil groove 14, enters into the camshaft of hollow simultaneously, through camshaft each camshaft bearing journal is lubricated.Another passage that oils is the DVCP passage that oils, and enters into the passage 9 of Fig. 7 through upper oil hole 8, enters into the passage 21 of Figure 10 again; Enter into the OCV valve of DVCP through passage 21; Through the OCV valve machine oil is assigned to hole 17,18,19 then; 20, thus realize effect to the adjusting of engine breathing camshaft timing system.The mode of the integrated grease channel that this model utility cylinder cap adopts has guaranteed the compactness of cylinder cap, and convenient processing is simple in structure, and to the high lubricating effect of camshaft.
The utility model adopts a kind of split type intake duct structure of uniqueness.
As shown in Figure 2, the utility model adopts a kind of split type intake duct structure of uniqueness.4 traditional valve Gasoline Engine intake ducts adopt the split type intake duct structure in fit earlier back, promptly adopt combination type in the air inlet ingress, become two independently air flues near The combustion chamber punishment.And the utility model cylinder cap just directly is divided into two fully independently intake ducts when entering into cylinder cap from the beginning, and air flue 11 is two fully independently air inlet air flues with air flue 12, respectively with Fig. 9 in air inlet of combustion chamber 22 and 23 be communicated with.This structure can play increase firing chamber intake swirl when being used with the intake manifold that has variable valve block, increase velocity of propagation of flame in the firing chamber, improves the effect of burning, thereby plays the effect that improves engine emission and reduction engine consumption.
The utility model adopts a kind of loss of weight formula structural design, makes the weight of cylinder cap lighter.
To shown in Figure 4, for reducing the weight of part self, at the exhaust flange face 24 of cylinder cap, rear end water outlet attachment face 26, front-end face 27 all adopt the hollow out design, have alleviated the design weight of part greatly like Fig. 1.On air inlet attachment face 25, adopt 45 degree attachment face designs simultaneously, intake duct is prolonged, both convenient the installation helps the spatial arrangement of motor again.To air flue bottom hollow out, both guarantee the sealing and the requirement of strength of attachment face simultaneously, also saved material and working area, reduced the weight of part.
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example, and conjunction with figs. specifies as follows:
Extremely shown in Figure 2 like Fig. 1; The utility model adopts a kind of more compact cylinder cap layout; And on cylinder cap integrated intake and exhaust cam shaft position sensor mounting hole 1 and 2; CMPS Camshaft Position Sensor is directly installed on the cylinder cap, has both satisfied the processing that is easy to simple in structure, make structure compact more simultaneously again.It is structural design that the cylinder cap water outlet also adopts compactness, as shown in Figure 3, the EGR passage of chamber 3 for reserving; Chamber 4 is the water outlet passage; This model utility design directly combines two passages, has both simplified design, can play the effect to the cooling of EGR waste gas simultaneously again.It is the design of camshaft thrust surface that this model utility adopts bearing cap; As shown in Figure 1, second bearing cap 5,6 of intake and exhaust side is the camshaft threust bearing lid; Bearing cap 5 and 6 both sides have outstanding boss respectively as thrust surface, thereby have guaranteed the location of camshaft.This model utility cylinder cap adopts a kind of compact type oil duct design proposal, makes the oil supply gallery of cylinder cap compact more easy.The machine oil that comes from cylinder body oils through upper oil hole 7 and 8, and is as shown in Figure 5.Upper oil hole 7 is a camshaft lubrication oil upper oil hole, and hole 8 is a DVCP oil supply gallery upper oil hole.7 oil from the hole through path 10 shown in Figure 7, passage 11, passage 12, the hole 13 in passage 12 connected graphs 8 enters into front cam axle bearing lid through hole 13.Shown in figure 10, hole 13 is lubricated bearing 15 and 16 through oil groove 14, enters into the camshaft of hollow simultaneously, through camshaft each camshaft bearing journal is lubricated.Another passage that oils is the DVCP passage that oils, and enters into the passage 9 of Fig. 7 through upper oil hole 8, enters into the passage 21 of Figure 10 again; Enter into the OCV valve of DVCP through passage 21; Through the OCV valve machine oil is assigned to hole 17,18,19 then; 20, thus realize effect to the adjusting of engine breathing camshaft timing system.The mode of the integrated grease channel that this model utility cylinder cap adopts has guaranteed the compactness of cylinder cap, and convenient processing is simple in structure, and to the high lubricating effect of camshaft.
As shown in Figure 2, the utility model adopts a kind of split type intake duct structure of uniqueness.4 traditional valve Gasoline Engine intake ducts adopt the split type intake duct structure in fit earlier back, promptly adopt combination type in the air inlet ingress, become two independently air flues near The combustion chamber punishment.And the utility model cylinder cap just directly is divided into two fully independently intake ducts when entering into cylinder cap from the beginning, and air flue 11 is two fully independently air inlet air flues with air flue 12, respectively with Fig. 9 in air inlet of combustion chamber 22 and 23 be communicated with.This structure can play increase firing chamber intake swirl when being used with the intake manifold that has variable valve block, increase velocity of propagation of flame in the firing chamber, improves the effect of burning, thereby plays the effect that improves engine emission and reduction engine consumption.
To shown in Figure 4, for reducing the weight of part self, at the exhaust flange face 24 of cylinder cap, rear end water outlet attachment face 26, front-end face 27 all adopt the hollow out design, have alleviated the design weight of part greatly like Fig. 1.On air inlet attachment face 25, adopt the design of 45 degree simultaneously, intake duct is prolonged, both convenient the installation helps the spatial arrangement of motor again.To air flue bottom hollow out, both guarantee the sealing and the requirement of strength of attachment face simultaneously, also saved material and working area, reduced the weight of part.
See that from actual effect this structure is more conducive to the layout of motor owing to compact structure, the inflation property owing to motor is improved simultaneously, and is better with the matching performance of car load.The car load oil consumption reduces greatly, and emission performance also improves, and has realized the requirement of energy-saving and emission-reduction well.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (8)
1. engine cylinder cover structure is characterized in that: it comprises and is arranged in the cylinder cap and the EGR passage (3) and the water outlet passage (4) that combine that the both sides of the bearing cap of top surface of cylinder cover are respectively equipped with the boss as thrust surface; The machine oil that comes from cylinder body oils through camshaft lubrication oil upper oil hole (7) and DVCP oil supply gallery upper oil hole (8), oils through first passage (10) second channel (11) from the oily upper oil hole of camshaft lubrication (7); Third channel (12), third channel (12) is communicated with first hole (13), enters into front cam axle bearing lid through first hole (13); First hole (13) is lubricated clutch shaft bearing (15) and second bearing (16) through oil groove (14), enters into the camshaft of hollow simultaneously; Through camshaft each camshaft bearing journal is lubricated, another passage that oils is the DVCP passage that oils, and enters into four-way (9) through DVCP oil supply gallery upper oil hole (8); Enter into five-way road (21) again; Enter into the OCV valve of DVCP through five-way road (21), through the OCV valve machine oil is assigned to second hole, hole (17) then, the 3rd hole (18); The 4th hole (19), the 5th hole (20).
2. a kind of engine cylinder cover structure according to claim 1 is characterized in that: the upper right corner of said cylinder cap exhaust side is provided with exhaust cam shaft position sensor mounting hole (1).
3. a kind of engine cylinder cover structure according to claim 1 is characterized in that: the upper left corner of said cylinder cap air inlet side is provided with intake cam shaft position sensor mounting hole (2).
4. according to any described a kind of engine cylinder cover structure of claim 1 to 3, it is characterized in that: said cylinder cap is split type intake duct structure, and the air inlet ingress directly is divided into two fully independently intake ducts.
5. according to any described a kind of engine cylinder cover structure of claim 1 to 3, it is characterized in that: the exhaust flange face (24) of cylinder cap adopts the hollow out design.
6. according to any described a kind of engine cylinder cover structure of claim 1 to 3, it is characterized in that: the rear end water outlet attachment face (26) of cylinder cap adopts the hollow out design.
7. according to any described a kind of engine cylinder cover structure of claim 1 to 3, it is characterized in that: front-end face (27) adopts the hollow out design.
8. according to any described a kind of engine cylinder cover structure of claim 1 to 3, it is characterized in that: air inlet attachment face (25) is gone up and is adopted 45 degree attachment face designs, intake duct is prolonged, simultaneously to air flue bottom hollow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120413162XU CN202391582U (en) | 2011-10-26 | 2011-10-26 | Cylinder head structure for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120413162XU CN202391582U (en) | 2011-10-26 | 2011-10-26 | Cylinder head structure for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391582U true CN202391582U (en) | 2012-08-22 |
Family
ID=46666512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120413162XU Expired - Fee Related CN202391582U (en) | 2011-10-26 | 2011-10-26 | Cylinder head structure for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391582U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195602A (en) * | 2013-04-18 | 2013-07-10 | 安徽江淮汽车股份有限公司 | Cylinder head and overhead camshaft engine |
| CN103291485A (en) * | 2013-05-08 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Air cylinder cover and manufacturing method thereof |
| CN103291486A (en) * | 2013-05-08 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Air cylinder cover and manufacturing method thereof |
| CN109415996A (en) * | 2016-07-01 | 2019-03-01 | 标致雪铁龙汽车股份有限公司 | There is the camshaft supporting part of the bearing cap in oily channel with perforated |
-
2011
- 2011-10-26 CN CN201120413162XU patent/CN202391582U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195602A (en) * | 2013-04-18 | 2013-07-10 | 安徽江淮汽车股份有限公司 | Cylinder head and overhead camshaft engine |
| CN103291485A (en) * | 2013-05-08 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Air cylinder cover and manufacturing method thereof |
| CN103291486A (en) * | 2013-05-08 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Air cylinder cover and manufacturing method thereof |
| CN103291486B (en) * | 2013-05-08 | 2015-01-14 | 安徽江淮汽车股份有限公司 | Air cylinder cover and manufacturing method thereof |
| CN103291485B (en) * | 2013-05-08 | 2015-03-25 | 安徽江淮汽车股份有限公司 | Air cylinder cover and manufacturing method thereof |
| CN109415996A (en) * | 2016-07-01 | 2019-03-01 | 标致雪铁龙汽车股份有限公司 | There is the camshaft supporting part of the bearing cap in oily channel with perforated |
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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: 20120822 Termination date: 20191026 |