Cylinder cover sealing cover cap for four-valve electronic injection internal combustion engine
An internal combustion engine and four-valve technology, applied to the sealing device of the engine, mechanical equipment, engine components, etc., can solve the problems of poor reliability, cumbersome operation, inconvenience, etc., and achieve the effect of easy operation and high degree of visualization
Active Publication Date: 2017-05-24
TSINGHUA UNIV
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
On the other hand, the existing four-valve EFI internal combustion engines can only use electronically controlled fuel injectors to be pressed in the cover, and it is necessary to open another window on the cylinder head sealing cover for installation and pressing, and then seal the window, which is not only cumbersome but also Extremely inconvenient to operate and poor reliability
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0021] Preferred embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be understood, however, that these descriptions are exemplary only and are not intended to limit the scope of the invention.
[0022] Figure 1-2 A cylinder head seal cover for a multi-cylinder four-valve single overhead camshaft electronic injection diesel engine according to the first embodiment is illustrated. A plurality of fastening mounting holes 1 and a plurality of positioning pin holes 2 are provided on the periphery of the cylinder head sealing cover to position and fasten the cylinder head sealing cover on the cylinder head. On the sealing cover of the cylinder head, a mounting groove 4 that can accommodate the electronically controlled fuel injector and its fastening pressure plate rocker arm is provided for each cylinder in the direction of avoiding the gas distribution camshaft cavity.
[0023] An electronically controlled...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a cylinder cover sealing cover cap for a four-valve electronic injection internal combustion engine. The cylinder cover sealing cover cap is provided with a fastening and mounting hole (1) for a cylinder cover, a locating pin hole (2) and a mounting through hole (3) allowing an electronically-controlled oil injector to be inserted from the outer part. For each air cylinder, the cylinder cover sealing cover cap is provided with a mounting groove (4) for accommodating the electronically-controlled oil injector and fastening a pressing plate rocker arm; a fastening screw through hole (41) for fastening the pressing plate rocker arm on the cylinder cover is at least formed in the mounting groove (4); and a cavity of the cylinder cover sealing cover cap is internally provided with a hollow upright column (5) forming planar seal with the cylinder cover relative to the mounting groove, so that the mounting and dismounting of the electronically-controlled oil injector of the four-valve electronic injection internal combustion engine from the outer part of the cylinder cover sealing cover cap are conveniently realized.
Description
technical field [0001] The invention relates to accessories of an internal combustion engine, more particularly to a cylinder head sealing cover for a four-valve electronic injection internal combustion engine. Background technique [0002] In the prior art, the electronically controlled fuel injector of the four-valve electronically injected internal combustion engine is basically arranged in the center of the four valve springs. Due to the relationship between the electronically controlled injector wiring, it needs to pass through the cylinder head seal cover, so , On the cylinder head sealing cover, it is necessary to add a radial sealing device such as a radial oil seal at the crossing part, which requires sufficient installation space at this part, and even has to increase the longitudinal height. On the other hand, the existing four-valve EFI internal combustion engines can only use electronically controlled fuel injectors to be pressed in the cover, and it is necessar...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): F02F7/00F02F11/00
CPCF02F7/0082F02F11/002
Inventor 张可谢之峰牟学利周明
Owner TSINGHUA UNIV