CN1323946A

CN1323946A - Shared air valve for internal combustion engine

Info

Publication number: CN1323946A
Application number: CN 01115130
Authority: CN
Inventors: 任孝忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-12
Filing date: 2001-07-12
Publication date: 2001-11-28

Abstract

A common air valve system for combustion engine can be used for air input as well as air output. It works as to usr crankshaft connecting rod system to transfer the spiral driving power to bring the convex disc shaft, convex disc and cam to be rotated by the umbrella type gears in vertical to each other and under the cam action. The common air valve operates regular four stroke functions of air suction, compressing, working and air exhausting. The invented system is suitable to be used in the air distribution system of the mini-combustion engine.

Description

A kind of shared air valve for internal combustion engine

The present invention relates to a kind of shared air valve for internal combustion engine.

Formed by intake valve, exhaust valve etc. in existing Valve System of Internal Combustion Engine, because the restriction of the area of cylinder cap can not be used for using above the micro internal combustion engine, the deficiency of Here it is traditional internal-combustion engine.

Main purpose of the present invention, a kind of shared air valve for internal combustion engine can be provided, can just can solve the function of air inlet and exhaust simultaneously by enough shared air valves, because it is simple in structure, volume is little, in light weight, applicable to the inlet and exhaust system of various internal-combustion engines, excellent its is applicable to the inlet and exhaust system of micro internal combustion engine.

A kind of shared air valve for internal combustion engine provided by the present invention is by the connecting rod transmitting rotary power, by the big bevel type gear rotation of the vertical with it interlock of umbellule type gear driven protruding dish spool and protruding dish on the big bevel type gear are rotated together, under protruding dish, action of cam, cooperate automatic admission valve door and automatic exhaust valve, make shared air valve bring into play the four-stroke function of well-regulated air-breathing, compression, acting, exhaust.

Further specify structure characteristic of the present invention and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a kind of shared air valve for internal combustion engine schematic representation provided by the present invention

Fig. 2 is the schematic diagram of movements of a kind of shared air valve for internal combustion engine provided by the present invention

Please see Figure a kind of internal-combustion engine shared air valve board apparatus shown in 1, is by protruding dish 1, cam 2, camshaft 3, big bevel type gear 4, camshaft hole 5, camshaft hole 6, casing 7, crank axis hole 8, piston 9, connecting rod 10, crankshaft 11, little bevel type gear 12, cylinder cap 13, shared air valve conduit 14, shared air valve bar 15, shared air valve spring 16, shared air valve tappet 17, shared air valve 29, shared air valve seat ring 18, intake duct 19, automatic admission valve gate seat circle 20, automatic admission valve door 21, automatic admission valve bar 22, automatic admission valve rod guidance pipe 23, air outlet flue 24, automatic exhaust valve seat ring 25, automatic exhaust valve 26, automatic vent valve rod 27, automatic exhaust valve conduit 28, cylinder 30 is formed.

Piston 9 is done initiatively motion, by connecting rod 10, make little bevel type gear 12 rotations on the bent axle 11, drive big bevel type gear 4 rotations of vertical interlock with it, make protruding dish axle 3 rotation in

axis hole

5 and 6 on the big bevel type gear 4, under the effect of protruding dish 1 cam 2, cooperate automatic admission valve door 21 and automatic exhaust valve 26, make the function of well-regulated air-breathing, the compression of shared air valve 29 performances, acting, exhaust.

Shown in Fig. 2-1 during when piston 9 descending suction strokes, cam 2 convex portions on the protruding dish 1 are depressed shared air valve tappet face 17 always, make shared air valve 29 be in the position of unlatching, in cylinder 30 under the effect of vacuum, automatic admission valve door 21 is opened, automatic exhaust valve 26 is closed, and fresh inflammable mixture sucks in the cylinder 30 by intake duct 19, and piston 9 row are finished to the lower dead center suction stroke.

Before piston 9 was up, the square position part on the protruding dish 1 began to contact shared air valve tappet face 17, under the effect of shared air valve spring 16 shown in Fig. 2-2, shared air valve 29 is closed, piston 9 continues up, and inflammable gas is compressed, and piston is lighted at arrival budc inflammable gas.

When the inflammable gas outburst of being lighted, the immense pressure of generation forces piston 9 works done to come downwards to lower dead center shown in Fig. 2-3, and at this moment, working stroke finishes.

Work as piston 9 shown in Fig. 2-4 to before bottom dead center, shared air valve 29, because the convex portion on the protruding dish is depressed shared air valve tappet 17 shared air valve 29 is opened, along with impelling automatic admission valve door 21, the unlifting pressure on the piston 9 closes, automatic exhaust valve 26 is opened, and waste gas enters atmosphere by air outlet channel 24.So far, four stroke cycle are finished.

Execute example: a kind of shared air valve for internal combustion engine, adopt shared air valve diameter 25mm, automatic admission valve door diameter 20mm; Automatic exhaust valve diameter 20mm; The number of teeth ratio of two orthogonal big bevel type gears and little bevel type gear 2: 1 is used for cylinder diameter 35mm; Stroke of piston 20mm; With the gasoline engine of lubricated separately crankshaft ﹠ connecting of oil pump and valve mechanism, prove by experiment all be better than existing internal-combustion engine aspect fuel-economizing, rotating speed, the environmental protection.Use this technology can produce microminiaturization, the discerptible internal-combustion engine of gasoline, machine oil that unfailing performance is superior.

Claims

1. an internal-combustion engine shared air valve board apparatus is by protruding dish 1, cam 2, camshaft 3, big bevel type gear 4, camshaft hole 5, camshaft hole 6, casing 7, crank axis hole 8, piston 9, connecting rod 10, crankshaft 11, little bevel type gear 12, cylinder cap 13, shared air valve conduit 14, shared air valve bar 15, shared air valve spring 16, shared air valve tappet 17, shared air valve 29, shared air valve seat ring 18, intake duct 19, automatic admission valve gate seat circle 20, automatic admission valve door 21, automatic admission valve bar 22, automatic admission valve rod guidance pipe 23, air outlet flue 24, automatic exhaust valve seat ring 25, automatic exhaust valve 26, automatic vent valve rod 27, automatic exhaust valve conduit 28, cylinder 30 is formed.

2. piston 9 is done initiatively motion, by connecting rod 10, make little bevel type gear 12 rotations on the bent axle 11, drive big bevel type gear 4 rotations of vertical interlock with it, make protruding dish axle 3 rotation in axis hole 5 and 6 on the big bevel type gear 4, under the effect of protruding dish 1 cam 2, cooperate automatic admission valve door 21 and automatic exhaust valve 26, make the function of well-regulated air-breathing, the compression of shared air valve 29 performances, acting, exhaust.

3. automatic admission valve door 21 and automatic exhaust valve 26 can replace with the inlet guide valve of two stroke IC engine.