CN203742700U

CN203742700U - VVT system oil conduit structure

Info

Publication number: CN203742700U
Application number: CN201420135857.XU
Authority: CN
Inventors: 闫瑾; 张治国; 张颖
Original assignee: Brilliance Auto Group Holding Co Ltd
Current assignee: Brilliance Auto Group Holding Co Ltd
Priority date: 2014-03-25
Filing date: 2014-03-25
Publication date: 2014-07-30
Anticipated expiration: 2024-03-25

Abstract

The utility model provides a VVT system oil conduit structure which solves the problems that a plurality of parts need to be used in cooperation for driving of a VVT actuating mechanism, lubrication of a gas inlet cam shaft and lubrication of an exhaust cam shaft, a large amount of finite space of an internal combustion engine is occupied, various performance indexes of an engine are limited, and the size of the engine is increased. The VVT system oil conduit structure is characterized in that a lag-angle oil conduit is of the structure of a cylinder cover main oil conduit-OCV oil entrance-an OCV lag-angle oil conduit-a cylinder cover lag-angle oil conduit-a cam shaft cover lag-angle oil conduit-a cam shaft lag-angle oil conduit (an annular groove)-a VVT lag-angle oil conduit (entering four oil chambers); an entrance-angle oil conduit is of the structure of a cylinder cover main oil conduit-OCV oil entrance-an OCV entrance-angle oil conduit-a cylinder cover entrance-angle oil conduit-a cam shaft cover entrance-angle oil conduit (an annular groove)-a VVT entrance-angle oil conduit (entering four oil chambers). The VVT system oil conduit structure has the advantages that the multiple functions of driving of the VVT actuator, lubrication of the gas inlet cam shaft, lubrication of the exhaust cam shaft and the like are achieved. According to the design, through the finite geometric space, the requirements for continuous driving of the VVT actuating mechanism and lubrication are met. Development cost is saved and the external geometric size of the engine is reduced.

Description

VVT system oil channel structure

Technical field

The utility model relates to technical field of internal combustion engines, be specifically a kind of can Continuous Drive VVT actuator in the limited space of internal-combustion engine and the VVT system oil channel structure of lubricate.

Background technique

Variable Valve Time is a kind of admission cam shaft device of valve timing of controlling, and it is optimized by adjusting camshaft degree valve timing, thereby improves power character, the fuel economy of motor in all speed range, reduces the discharge of tail gas.Continuous variable valve timing regulates oil pressure to control camshaft phase regulator (VVT) by phase regulator solenoid valve (OCV), and then controls camshaft valve timing.

But in order to realize the continuity operation of VVT system, driving, the admission cam shaft of VVT actuator lubricates, exhaust cam shaft is lubricated needs multiple parts to coordinate, account for the confined space of a large amount of internal-combustion engines, limited the property indices of motor, increased motor volume.

Summary of the invention

The purpose of this utility model be to provide a kind of can Continuous Drive VVT actuator in the limited space of internal-combustion engine and the VVT system oil channel structure of lubricate.

The technical solution of the utility model is: OCV is arranged on cylinder cap outside, and admission cam shaft mouth top in cylinder cap edge is provided with camshaft cover, and camshaft is connected with VVT; The top of above-mentioned OCV end is set side by side with two OCV that are connected with cylinder cap and enters angle cylinder cap oil duct and OCV delay angle cylinder cap oil duct, and the bottom of OCV end is provided with the OCV cylinder cap oil duct being connected with cylinder cap, at least two oil drainage holes of cylinder cap main oil gallery bilateral symmetry setting; Cylinder cap main oil gallery is communicated with OCV cylinder cap oil duct through OCV mounting hole, is upwards deriving with the corresponding position of OCV delay angle cylinder cap oil duct; OCV enters angle cylinder cap oil duct and is communicated with the cylinder cap top delay angle oil duct arranging in camshaft FE Tiler; Joint at least four VVT of even cloth setting of above-mentioned VVT and camshaft enter angle oil duct and at least four VVT delay angle oil ducts, and taking camshaft center as zero point, its delay angle is spent, entered most angle and spends as 220 degree ~ 222 as 240 degree ~ 242; Camshaft end is provided with to be entered with VVT the camshaft that angle oil duct and VVT delay angle oil duct match and enters angle oil duct and camshaft delay angle oil duct, and camshaft enters angle oil duct and camshaft delay angle oil duct enters angle oil duct with camshaft FE Tiler respectively and camshaft FE Tiler delay angle oil duct is communicated with.

Compared with prior art, the beneficial effects of the utility model are: VVT system oil channel structure and cylinder cap oil duct, camshaft oil gallery and camshaft cover oil duct and ingenious cooperation of oilhole have been realized to the several functions such as VVT actuator driven, admission cam shaft is lubricated, exhaust cam shaft is lubricated.Utilize in design limited geometric space to realize Continuous Drive VVT actuator and lubricated requirement.Save development cost, reduced the external geometric overall dimension of motor, realized Integration Design.

Brief description of the drawings

?further illustrate the utility model below in conjunction with accompanying drawing.

Fig. 1 is structural representation sketch of the present utility model;

Fig. 2 is OCV structural representation sketch of the present utility model;

Fig. 3 is cylinder cover structure simplified schematic diagram of the present utility model;

Fig. 4 is that the A-A of Fig. 3 is to ladder cut-away view;

Fig. 5 is the plan view of Fig. 3;

Fig. 6 is that the B-B of Fig. 5 is to sectional view;

Fig. 7 is camshaft FE Tiler oil channel structure simplified schematic diagram of the present utility model;

Fig. 8 is camshaft FE Tiler structural representation sketch of the present utility model;

Fig. 9 is cam shaft end structure simplified schematic diagram of the present utility model;

Figure 10 is that the C-C of Fig. 9 is to sectional view;

Figure 11 is that the D-D of Fig. 9 is to sectional view.

Embodiment

Referring to figure l, OCV1 is arranged on cylinder cap 2 outsides, and admission cam shaft mouth top in cylinder cap edge is provided with camshaft cover 3, and camshaft is connected with VVT4.

Referring to Fig. 2, the top of above-mentioned OCV end is set side by side with two OCV that are connected with cylinder cap and enters angle cylinder cap oil duct 5 and OCV delay angle cylinder cap oil duct 6, the bottom of OCV end is provided with the OCV cylinder cap oil duct 7 being connected with cylinder cap, in cylinder cap main oil gallery bilateral symmetry, two oil drainage holes 8 is set.

Referring to Fig. 3 ~ 7, cylinder cap main oil gallery 9 is communicated with OCV cylinder cap oil duct 7 through OCV mounting hole 10, is upwards deriving with the corresponding position of OCV delay angle cylinder cap oil duct 6; OCV enters angle cylinder cap oil duct 5 and is communicated with the cylinder cap top delay angle oil duct 11 arranging in camshaft FE Tiler;

Referring to Fig. 8, the even cloth in the joint of above-mentioned VVT and camshaft arranges four VVT and enters angle oil duct 12 and four VVT delay angle oil ducts 13, taking camshaft center as zero point its delay angle 14 as 240 degree ~ 242 degree, enter angle 15 as 220 degree ~ 222 degree most.

Referring to Fig. 9 ~ 11, camshaft end is provided with to be entered with VVT the camshaft that angle oil duct and VVT delay angle oil duct match and enters angle oil duct 16 and camshaft delay angle oil duct 17, and camshaft enters angle oil duct and camshaft delay angle oil duct enters angle oil duct 19 with camshaft FE Tiler respectively and camshaft FE Tiler delay angle oil duct 18 is communicated with.

Delay angle oil duct trend is as follows: cylinder cap main oil gallery-OCV oil-feed-OCV delay angle oil duct-cylinder cap delay angle oil duct-camshaft cover delay angle oil duct-camshaft delay angle oil duct (annular groove)-VVT delay angle oil duct (entering four grease chambeies);

Enter angle oil duct trend as follows: cylinder cap main oil gallery-OCV oil-feed-OCV enters angle oil duct-cylinder cap and enters angle oil duct-camshaft and enter angle oil duct (annular groove)-VVT and enter angle oil duct (entering four grease chambeies).

Claims

1. a VVT system oil channel structure, it comprises cylinder body, OCV, cylinder cap, camshaft FE Tiler and VVT, it is characterized in that: OCV is arranged on cylinder cap outside, and admission cam shaft mouth top in cylinder cap edge is provided with camshaft cover, and camshaft is connected with VVT; The top of above-mentioned OCV end is set side by side with two OCV that are connected with cylinder cap and enters angle cylinder cap oil duct and OCV delay angle cylinder cap oil duct, and the bottom of OCV end is provided with the OCV cylinder cap oil duct being connected with cylinder cap, at least two oil drainage holes of cylinder cap main oil gallery bilateral symmetry setting; Cylinder cap main oil gallery is communicated with OCV cylinder cap oil duct through OCV mounting hole, is upwards deriving with the corresponding position of OCV delay angle cylinder cap oil duct; OCV enters angle cylinder cap oil duct and is communicated with the cylinder cap top delay angle oil duct arranging in camshaft FE Tiler; Joint at least four VVT of even cloth setting of above-mentioned VVT and camshaft enter angle oil duct and at least four VVT delay angle oil ducts, and taking camshaft center as zero point, its delay angle is spent, entered most angle and spends as 220 degree ~ 222 as 240 degree ~ 242; Camshaft end is provided with to be entered with VVT the camshaft that angle oil duct and VVT delay angle oil duct match and enters angle oil duct and camshaft delay angle oil duct, and camshaft enters angle oil duct and camshaft delay angle oil duct enters angle oil duct with camshaft FE Tiler respectively and camshaft FE Tiler delay angle oil duct is communicated with.