CN201953427U - OCV valve of automotive engine - Google Patents
OCV valve of automotive engine Download PDFInfo
- Publication number
- CN201953427U CN201953427U CN2010206332243U CN201020633224U CN201953427U CN 201953427 U CN201953427 U CN 201953427U CN 2010206332243 U CN2010206332243 U CN 2010206332243U CN 201020633224 U CN201020633224 U CN 201020633224U CN 201953427 U CN201953427 U CN 201953427U
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- Prior art keywords
- ocv valve
- hole
- oil
- air
- valve
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Abstract
The utility model discloses an OCV valve of an automotive engine, which is provided with a filter screen. The OCV valve of the automotive engine comprises an air inlet OCV valve and an exhaust OCV valve, which are integrally configured on an integral cam bearing cap of the automotive engine. A single circulation channel which is provided at the front end of the engine is provided among the OCV valve of the automotive engine, a cylinder cap of the automotive engine, a cylinder body and a D-VVT. The OCV valve of the automotive engine is integrally provided on the integral cam bearing cap thereby obtaining the following advantages: reducing difficulty in mounting and replacing, ensuring cleanness and smoothness of the lubricant, radically settling a problem of easy pollution of the lubricant, effectively reducing blockage of the OCV valve; performing sufficient filtering to the lubricant and effectively ensuring the cleanliness of the lubricant as the valve is provided with the filter screen; and satisfying the requirement of the valve operation environment for the lubricant. The OCV valve of the automotive engine is suitable for use on the automotive engine as an oil pressure control valve.
Description
Technical field
The utility model relates to the vehicle motor accessory, specifically a kind of motor car engine OCV valve.
Background technique
The two Variable Valve Timing of motor (Double Variable Valve Timing is called for short D-VVT) can improve the air inlet charge, and volumetric efficiency is increased, and the moment of torsion of motor and power can be further improved.The above-mentioned effect of D-VVT need realize by OCV valve (pressure control valve) control.The setting type of OCV valve is varied at present, is mostly to adopt the mode that engine cylinder covers that is arranged in.The OCV valve of this mode, the shared main oil gallery of its oil circuit and cylinder cap oil circuit, water route, oil circuit intercross arrangement on the cylinder cap, the lubricant oil road structure complexity, turbidity test are difficult to control, lubricant oil is easily contaminated, and the OCV valve is very strict to the turbidity test requirement of lubricant oil, if the not treated OCV valve of directly supplying with of contaminated lubricant oil, easily cause OCV valve oil road to be stopped up, can't in time be inlet and outlet D-VVT fuel feeding, and then engine power performance is impacted, increase oil consumption and exhaust gas discharging; In addition, return line is arranged on the cylinder body separately and complex structure, and this body structure of OCV valve is also comparatively complicated in addition, so the difficult processing of integral valve, and manufacture cost is higher; Also have is exactly because the OCV valve is installed in engine cylinder and covers the maintain and replace difficulty.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of motor car engine OCV valve, and the integrated unitary cam bearing that is installed in covers, and can reduce to install and change difficulty, and the cleaning of assurance lubricant oil, unimpeded fundamentally solves the easy contaminated difficult problem of lubricant oil.
For solving the problems of the technologies described above, the technological scheme that the utility model adopted is:
A kind of motor car engine OCV valve, comprise air inlet OCV valve and exhaust OCV valve, its specialization is that it also has filter screen, the integrated unitary cam bearing that is installed in motor car engine covers, be provided with independent circulating oil path between the cylinder cap of this valve and motor car engine, cylinder body, D-VVT, described independent circulating oil path is located at motor head.
More than be fundamental composition of the present utility model, motor car engine OCV valve is located at the unitary cam bearing and is covered, and can reduce it replacing difficulty is installed; This valve adopts independently the fuel feeding input, thereby can guarantee the cleaning, unimpeded of lubricant oil, more can effectively avoid the clamping stagnation of OCV valve; This valve carries filter screen, and lubricant oil is filtered fully, effectively guarantees the turbidity test of oil, satisfies the demand of the working environment of this valve to lubricant oil.
As optimization of the present utility model, have boss on the flanged surface of described unitary cam bearing lid front end, the clamping bolt of described motor car engine OCV valve through being located at directly over the boss covers fixing in the unitary cam bearing.
The above-mentioned concrete means of fixation of motor car engine OCV valve can effectively guarantee to reduce the difficulty that the I﹠M of valve is changed.
As another kind of optimization of the present utility model, described independent circulating oil path is achieved in that
Be provided with bolt hole in the described cylinder cap, be provided with the oblique oil duct that two ends are communicated with them between the bottom of bolt hole and unitary cam bearing lid;
Unitary cam bearing lid front end bottom surface is provided with the two spherical oil pockets that link through semi-circular groove, second inclined oil hole of air that is respectively equipped with first inclined oil hole of air connected with air inlet OCV valve mounting hole in the two spherical oil pockets, connects with exhaust OCV valve mounting hole;
Half cambered surface in the two bearings hole of camshaft is provided with the 3rd inclined oil hole of air and the 4th inclined oil hole of air, be connected with air inlet OCV valve mounting hole, exhaust OCV valve mounting hole respectively, described the 3rd inclined oil hole of air and the 4th inclined oil hole of air be VVT advance angle or delay angle oil pocket oil supply gallery;
Be respectively equipped with the 5th inclined oil hole of air and the 6th inclined oil hole of air on the camshaft hole median plane axial direction, be connected with air inlet OCV valve mounting hole, exhaust OCV valve mounting hole respectively, described the 5th inclined oil hole of air and the 6th inclined oil hole of air be VVT advance angle or delay angle oil cavity channel;
Be located in the air inlet OCV valve mounting hole, exhaust OCV valve mounting hole of unitary cam bearing lid front end, be cast with prolate shape draining hole.
More than be the concrete scheme of independent circulating oil path, associated components such as motor car engine OCV valve and cylinder cap, cylinder body, VVT are formed an independent circulating oil path, the easier guarantee of oil circuit turbidity test at motor head; Lubricant oil can lubricate related components in running, as: the timing chain in camshaft bearing journal, the timing chamber etc.OCV valve draining passage directly is communicated with the timing chamber, and lubricant oil can directly be got back to oil sump by the timing chamber, compact structure, convenient maintenance and replacement.
Owing to adopted above-mentioned technological scheme, the utility model compared with prior art, obtained technological progress is: motor car engine OCV valve is located at the unitary cam bearing and is covered, and can reduce it and install and change difficulty; This valve adopts independently the fuel feeding input, thereby can guarantee the cleaning, unimpeded of lubricant oil, more can effectively avoid the clamping stagnation of OCV valve; This valve carries filter screen, and lubricant oil is filtered fully, effectively guarantees the turbidity test of oil, satisfies the demand of the working environment of this valve to lubricant oil.The utility model is applicable on the motor car engine, as pressure control valve.
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Description of drawings
Fig. 1 is the utility model embodiment's an overall structure schematic representation;
Fig. 2 is the radially longitudinal section of Fig. 1;
Fig. 3 is Fig. 1, worm's eye view embodiment illustrated in fig. 2;
Fig. 4 is the partial view of Fig. 2.
Among the figure: 1-unitary cam bearing lid, 2-cylinder cap, 3-flanged surface, the 4-boss, 5-clamping bolt, 61-air inlet OCV valve, 62-exhaust OCV valve, 7-bolt hole, the oblique oil duct of 8-, the spherical oil pocket of 9-, the semi-circular groove of 10-, 11, first and second inclined oil hole of air of 13-, 12-air inlet OCV valve mounting hole, 14-exhaust OCV valve mounting hole, 15,16-camshaft bearing hole, 17～20-the 3rd～the 6th inclined oil hole of air, 21-draining hole.
Embodiment
Fig. 1～Figure 4 shows that a kind of motor car engine OCV valve, this valve carries filter screen, comprises air inlet OCV valve 61 and exhaust OCV valve 62, integrated air inlet OCV valve mounting hole 12 and the exhaust OCV valve mounting hole 14 of being furnished with on the unitary cam bearing lid 1 of motor car engine.
The front end of unitary cam bearing lid 1 has flanged surface 3, has boss 4 on the flanged surface 3, and the air inlet OCV valve 61 of present embodiment and exhaust OCV valve are fixing on unitary cam bearing lid 1 through the clamping bolt of being located at directly over the boss 45 respectively.
Be provided with independent circulating oil path between the cylinder cap 2 of this valve and motor car engine, cylinder body, D-VVT.
Circulating oil path is located at motor head separately, realizes according to following scheme:
Be provided with bolt hole 7 in the cylinder cap 2, be provided with the oblique oil duct 8 that two ends are communicated with them between the bottom of bolt hole 7 and unitary cam bearing lid 1;
The unitary cam bearing covers 1 front end bottom surface and is provided with second inclined oil hole of air 13 that is respectively equipped with first inclined oil hole of air 11 connected with air inlet OCV valve mounting hole 12 in two spherical oil pocket 9, the two spherical oil pockets 9 that semi-circular groove 10 links, connects with exhaust OCV valve mounting hole 14;
Half cambered surface in the two bearings hole 15 of camshaft is provided with the 3rd inclined oil hole of air 17 and the 4th inclined oil hole of air 18, is connected with air inlet OCV valve mounting hole 12, exhaust OCV valve mounting hole 14 respectively.
Be respectively equipped with the 5th inclined oil hole of air 19 and the 6th inclined oil hole of air 20 on the camshaft hole median plane axial direction, be connected with air inlet OCV valve mounting hole 12, exhaust OCV valve mounting hole 14 respectively.
Above-mentioned inclined oil hole of air 17-20 be VVT advance angle or delay angle oil cavity channel.
Be located in air inlet OCV valve mounting hole 12 that the unitary cam bearing covers 1 front end, the exhaust OCV valve mounting hole 14, be cast with prolate shape draining hole 21.
Claims (3)
1. motor car engine OCV valve, comprise air inlet OCV valve and exhaust OCV valve, it is characterized in that: it also has filter screen, the integrated unitary cam bearing that is installed in motor car engine covers, be provided with independent circulating oil path between the cylinder cap of this valve and motor car engine, cylinder body, D-VVT, described independent circulating oil path is located at motor head.
2. motor car engine OCV valve according to claim 1, it is characterized in that: have boss on the flanged surface of described unitary cam bearing lid front end, the clamping bolt of described motor car engine OCV valve through being located at directly over the boss covers fixing in the unitary cam bearing.
3. motor car engine OCV valve according to claim 1 and 2 is characterized in that: described independent circulating oil path is achieved in that
Be provided with bolt hole in the described cylinder cap, be provided with the oblique oil duct that two ends are communicated with them between the bottom of bolt hole and unitary cam bearing lid;
Unitary cam bearing lid front end bottom surface is provided with the two spherical oil pockets that link through semi-circular groove, second inclined oil hole of air that is respectively equipped with first inclined oil hole of air connected with air inlet OCV valve mounting hole in the two spherical oil pockets, connects with exhaust OCV valve mounting hole;
Half cambered surface in the two bearings hole of camshaft is provided with the 3rd inclined oil hole of air and the 4th inclined oil hole of air, be connected with air inlet OCV valve mounting hole, exhaust OCV valve mounting hole respectively, described the 3rd inclined oil hole of air and the 4th inclined oil hole of air be VVT advance angle or delay angle oil pocket oil supply gallery;
Be respectively equipped with the 5th inclined oil hole of air and the 6th inclined oil hole of air on the camshaft hole median plane axial direction, be connected with air inlet OCV valve mounting hole, exhaust OCV valve mounting hole respectively, described the 5th inclined oil hole of air and the 6th inclined oil hole of air be VVT advance angle or delay angle oil cavity channel;
Be located in the air inlet OCV valve mounting hole, exhaust OCV valve mounting hole of unitary cam bearing lid front end, be cast with prolate shape draining hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206332243U CN201953427U (en) | 2010-11-30 | 2010-11-30 | OCV valve of automotive engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206332243U CN201953427U (en) | 2010-11-30 | 2010-11-30 | OCV valve of automotive engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953427U true CN201953427U (en) | 2011-08-31 |
Family
ID=44497544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206332243U Expired - Lifetime CN201953427U (en) | 2010-11-30 | 2010-11-30 | OCV valve of automotive engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221208A (en) * | 2015-10-23 | 2016-01-06 | 奇瑞汽车股份有限公司 | Engine lubrication system |
-
2010
- 2010-11-30 CN CN2010206332243U patent/CN201953427U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221208A (en) * | 2015-10-23 | 2016-01-06 | 奇瑞汽车股份有限公司 | Engine lubrication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |
|
| CX01 | Expiry of patent term |