CN202832820U - Cylinder cover structure of turbo supercharged engine - Google Patents
Cylinder cover structure of turbo supercharged engine Download PDFInfo
- Publication number
- CN202832820U CN202832820U CN201220501251.4U CN201220501251U CN202832820U CN 202832820 U CN202832820 U CN 202832820U CN 201220501251 U CN201220501251 U CN 201220501251U CN 202832820 U CN202832820 U CN 202832820U
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- camshaft
- vvt
- tiler
- cover
- cylinder
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- Expired - Fee Related
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Abstract
The utility model relates to a cylinder cover structure of a turbo supercharged engine. The cylinder cover structure of the turbo supercharged engine is used for an automobile engine and comprises a camshaft cover and a cylinder cover. The cylinder cover structure of the turbo supercharged engine is characterized in that the camshaft cover is divided into two types, the first type is a first big tile cover, two tile covers which are entered into the exhaust side are integrated to form the big tile cover, an oil way is processed on the big tile cover and is used for providing variable valve timing (VVT) engine oil, a positioning groove is arranged on the big tile cover and used for fixing the axial direction of a camshaft, besides a guide rail is further installed on the big tile cover and used for fixing chains, and a cavity of a timing system is formed by the guide rail, the engine cylinder cover and the front face of a cylinder body. The second type is a small tile cover which is free of a positioning pin and is simple in structure, due to the fact that the small tile cover is simple in the structure, processing difficulty is reduced, intensity is increased by the structure of the big tile cover, besides the big tile cover is provided with an axial thrust groove of the camshaft and a VVT oil supplying groove, performance of an engine is improved, and assembly is convenient. The structure not only reduces the weight of the whole engine, but also reduces the cost of the positioning pin. The cylinder cover structure of the turbo supercharged engine further has the advantages of being simple and reasonable in structure, long in service life, safe, reliable and the like.
Description
Technical field
The utility model belongs to the motor vehicle gasoline technical field of engines, specifically a kind of motor car engine turbosupercharged engine cylinder cover structure.
Background technique
Along with making rapid progress of automobile product, automobile production enterprise constantly accelerates the exploitation of car load product in constantly competing.Although the face shaping from car body, material and auxiliary equipment all will exert an influence to the performance of Motor Vehicle, but the heart of automobile---motor, the most vital for performance, no matter from the supply of material should amount, the aspects such as price and Performance Match, all can directly affect the performance index of vehicle newly developed.As a rule, cylinder cover of automobile engine upper machine body structure substantially all is split and all with a large amount of locating studs, number of spare parts is many, and complex structure disperses.
Summary of the invention
The purpose of this utility model provides a kind of turbosupercharged engine cylinder cover structure of separated cam shaft lid.
The purpose of this utility model is to realize like this, it includes cylinder cap, camshaft, camshaft cover, the camshaft FE Tiler, the timing upper rail, VVT assembly, timing guide rail bolt, VVT fuel feeding oil duct, the cylinder head spill port, cylinder bolt hole, water jacket hole, main water outlet, VVT draining oil duct, locating stud, cylinder head air outlet flue, VVT controls valve opening, the FE Tiler bolt, firing chamber, CMPS Camshaft Position Sensor mounting hole, it is characterized in that: be connected with camshaft large bearing cap near VVT assembly place by large FE Tiler locating stud and FE Tiler bolt on cylinder cap top, be provided with the fixedly timing upper rail of chain by locating stud and timing guide rail bolt on the large FE Tiler of camshaft, also be provided with the VVT oil supply at the large FE Tiler of camshaft, this VVT oil supply and VVT fuel feeding oil duct form the oil circuit of supplying with VVT; Also be provided with the little FE Tiler of camshaft near on the cylinder cap position of camshaft; The makeup of the imports that is arranged on cylinder cap inner water sleeve hole is: two adjacent cooling water flows between be provided with throttling restriction protrusion structure.
Be cast with the direction signs structure of pointing to the cylinder cap front end at the little FE Tiler of described camshaft.
In addition, make the stressed uniform bolt hole of cylinder cap even distribution of cylinder cap periphery.
The utility model has the advantages that: the camshaft cover that the machine adopts is less, and without a large amount of locating studs, processes oil circuit (for VVT provides machine oil at first watt of seat; Note: the VVT full name is the Variable Valve Time regulating system, and its advantage is can be under the effect of oil pressure, and self rotates to an angle, thereby reaches the effect that the adjustment cam axle rotates.）。Split type little FE Tiler is simple in structure, has reduced difficulty of processing, and the structure of large FE Tiler has improved intensity, and with cam shaft to locating slot and VVT oil supply, improved the performance of motor, convenient for assembly.This kind structure had both reduced the weight of complete machine, and had reduced the cost of locating stud.This is novel also have simple and reasonable, long service life, the advantage such as safe and reliable.
Description of drawings
Fig. 1 is downward stereo unfolding structural representation sketch of the present utility model.
Fig. 2 is lower upper stereo unfolding structural representation sketch of the present utility model.
Fig. 3 is the large FE Tiler stereochemical structure of camshaft of the present utility model simplified schematic diagram.
Fig. 4 is cylinder cap inner water sleeve hole section structure for amplifying simplified schematic diagram.
The symbol description of accompanying drawing major component: 1-cylinder head, 2-cylinder head intake duct, 3-CMPS Camshaft Position Sensor, 4-cylinder head auxiliary waterexit mouth, 5-sand cleaning hole, the little FE Tiler of 6-camshaft, the 601-direction signs, 7-VVT control valve, the large FE Tiler of 8-camshaft, the 801-VVT oil supply, 802-camshaft locating slot, 9-timing upper rail, the 10-VVT assembly, 11-timing guide rail bolt, the large FE Tiler locating stud of 12-, 13-camshaft fuel feeding oil duct, 14-VVT fuel feeding oil duct, 15-cylinder head spill port, 16-cylinder bolt hole, 17-water jacket hole, 18-master's water outlet, 19-VVT draining oil duct, 20-locating stud, the 21-camshaft, 22-cylinder head air outlet flue, 23-VVT controls valve opening, 24-FE Tiler bolt, the 25-firing chamber, 26-CMPS Camshaft Position Sensor mounting hole.
The utility model is described in further detail by example below in conjunction with accompanying drawing; but following example only is the utility model example wherein; do not represent the right protection scope that the utility model limits, rights protection scope of the present utility model is as the criterion with claims.
Embodiment
Example 1
Shown in Fig. 1～4,1 among the figure is cylinder cap, and 21 is camshaft, and 10 is the VVT assembly, and 14 is VVT fuel feeding oil duct, and 15 is the cylinder head spill port, and 17 is the water jacket hole, and 18 is main water outlet, and 19 is VVT draining oil duct, and 7 are VVT control valve opening, and 25 is the firing chamber; Be connected with camshaft large bearing cap 8 near VVT assembly 10 places by large FE Tiler locating stud 12 and FE Tiler bolt 24 on cylinder cap 1 top, on the large FE Tiler 8 of camshaft, be provided with the fixedly timing upper rail 9 of chain by large FE Tiler locating stud 12 and timing guide rail bolt 11, also be provided with VVT oil supply 801 at the large FE Tiler 8 of camshaft, this VVT oil supply 801 forms the oil circuit of supplying with VVT with VVT fuel feeding oil duct 14; Also be provided with the little FE Tiler 6 of camshaft near on cylinder cap 1 position of camshaft 21; The makeup of the imports that is arranged on cylinder cap inner water sleeve hole 17 is: two adjacent cooling water flows between namely: between the water channel 01 and 03, be respectively arranged with throttling restriction protrusion structure 02,04 between the water channel 03 and 05.
1 is cylinder head among the figure, its top is connected with the large FE Tiler 8 of camshaft and the little FE Tiler 6 of camshaft, and the little FE Tiler 6 of camshaft links to each other with cylinder head 1 by bolt 24, around here without locating stud, such structure both reduced component quantity, provide cost savings, also alleviated the weight of complete machine; Simultaneously the little FE Tiler 6 of camshaft is cast with direction signs structure 601, and direction arrow points to the cylinder cap front end, and such structure can avoid that the little bearing cap of camshaft is anti-loaded to cause camshaft heavy wear.The large bearing cap 8 of camshaft links to each other with cylinder head 1 with FE Tiler bolt 24 by large FE Tiler locating stud 12, because the large FE Tiler 8 of camshaft is cast with camshaft locating slot 802, makes things convenient for the location of camshaft when assembling, its position play of work timing system; Large 12 pairs of large FE Tilers of camshaft of FE Tiler locating stud play positioning action, so that the large FE Tiler of camshaft 8 is more firm; And timing upper rail 9 is fixed on the large FE Tiler 8 of camshaft by locating stud 20 and timing guide rail bolt 11, makes timing upper rail 9 more firm, with timing system cavity of front end composition of cylinder head; The large FE Tiler 8 of camshaft also is designed with VVT oil supply 802, forms the oil circuit of supplying with VVT with VVT fuel feeding oil duct 14.The stability that the structure of two kinds of FE Tilers had needed when both having guaranteed work makes again its body structure simple, easily casting processing.For guarantee cylinder cap 1 with two kind namely: after the large FE Tiler 8 of camshaft, the little FE Tiler 6 of camshaft are installed, in the engineering of working thermal distortion basic identical, the large FE Tiler 8 of camshaft, the little FE Tiler 6 of camshaft have used identical aluminum alloy material with cylinder cap 1.
Cylinder head design has equally distributed cylinder bolt hole 16, and this distribution can make cylinder cap stressed evenly, below sealing effect good.The cylinder head neutral position is provided with sand cleaning hole 5, is convenient to cast the inner molding sand of rear cleaning, avoids impurity to damage motor.Forward Position Design has VVT control valve mounting hole 23, forms the oil-way system of VVT herein with VVT fuel feeding oil duct 14.Also be provided with camshaft fuel feeding oil duct 13 on every side, lubrication and cooling camshaft 21.Front end is provided with VVT draining oil duct 19 and main water outlet 18, and the aperture of main water outlet is larger, has guaranteed the flow of cooling water, avoids the heat affecting engine operation.The cylinder head both sides are respectively cylinder head intake duct 2, cylinder head air outlet flue 22, and intake duct is turned minimum, and charging efficiency is the highest.By rear position CMPS Camshaft Position Sensor hole 26 is arranged then.The cylinder head rear end is provided with auxiliary waterexit mouth 4, and Main Function provides the required heat of warm braw and charge heating.Mainly be firing chamber 25 in the cylinder head lower end, this combustion chamber of petrol engine is that hemispherical combustion chamber's surface to volume ratio is minimum, and spark plug is arranged in firing chamber central authorities in addition, flame travel is the shortest, hemispherical combustion chamber's power character, good economy performance, the NO discharge amount is few, and high-speed adaptability is strong.The uniformly water jacket hole 17 that distributing around the firing chamber avoids overheated near the firing chamber, affects engine running.Peripheral position, cylinder head bottom also is provided with cylinder head spill port 15, and the machine oil that stays is recycled by turn back in other component herein, has reduced consuming and volatilization, thereby has reduced oil consumption.
17 is the water jacket hole among the figure, two adjacent cooling water flows between be provided with throttling restriction protrusion structure, shown in partial enlarged drawing 4,01,03,05 water channel that is respectively three directions among the figure, 02,04 for projection designs, and this structure guarantees the cooling water flow of each position so that cooling water divides to circulation after entering cylinder cap, avoid cooling water flow to a place, cause the cylinder head inequality of being heated.
Claims (4)
1. turbosupercharged engine cylinder cover structure, it includes cylinder cap, camshaft, camshaft cover, the camshaft FE Tiler, the timing upper rail, VVT assembly, timing guide rail bolt, VVT fuel feeding oil duct, the cylinder head spill port, cylinder bolt hole, water jacket hole, main water outlet, VVT draining oil duct, locating stud, cylinder head air outlet flue, VVT controls valve opening, the FE Tiler bolt, firing chamber, CMPS Camshaft Position Sensor mounting hole, it is characterized in that: be connected with camshaft large bearing cap near VVT assembly place by large FE Tiler locating stud and FE Tiler bolt on cylinder cap top, be provided with the fixedly timing upper rail of chain by locating stud and timing guide rail bolt on the large FE Tiler of camshaft, also be provided with the VVT oil supply at the large FE Tiler of camshaft, this VVT oil supply and VVT fuel feeding oil duct form the oil circuit of supplying with VVT; Also be provided with the little FE Tiler of camshaft near on the cylinder cap position of camshaft; The makeup of the imports that is arranged on cylinder cap inner water sleeve hole is: two adjacent cooling water flows between be provided with throttling restriction protrusion structure.
2. turbosupercharged engine cylinder cover structure according to claim 1 is characterized in that: be cast with the direction signs structure of pointing to the cylinder cap front end at the little FE Tiler of camshaft.
3. turbosupercharged engine cylinder cover structure according to claim 1 is characterized in that: make the stressed uniform bolt hole of cylinder cap even distribution of cylinder cap periphery.
4. turbosupercharged engine cylinder cover structure according to claim 1 is characterized in that: also be provided with sand cleaning hole on the cylinder cap neutral position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220501251.4U CN202832820U (en) | 2012-09-27 | 2012-09-27 | Cylinder cover structure of turbo supercharged engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220501251.4U CN202832820U (en) | 2012-09-27 | 2012-09-27 | Cylinder cover structure of turbo supercharged engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832820U true CN202832820U (en) | 2013-03-27 |
Family
ID=47944550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220501251.4U Expired - Fee Related CN202832820U (en) | 2012-09-27 | 2012-09-27 | Cylinder cover structure of turbo supercharged engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832820U (en) |
-
2012
- 2012-09-27 CN CN201220501251.4U patent/CN202832820U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20130327 Termination date: 20210927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |