CN101871386A

CN101871386A - Rotary reciprocating type piston engine

Info

Publication number: CN101871386A
Application number: CN201010198307A
Authority: CN
Inventors: 刘洪波
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-11
Filing date: 2010-06-11
Publication date: 2010-10-27

Abstract

The invention relates to a rotary reciprocating type piston engine, belonging to the field of a power machine. The rotary reciprocating type piston engine mainly consists of a cavity cylindrical cylinder, an exhaust air duct, an air inlet channel, a spark plug, a limit pin, a piston, an output square shaft, an output circular shaft and a scavenging air duct, wherein the exhaust air duct is respectively communicated with the upper and the lower parts of the cylinder; the spark plug is positioned on the top of the cylinder; the limit pin is embedded in the inner wall of the cylinder; the piston is installed inside a cylinder barrel; the output square shaft is connected with the bottom of the piston in a sliding way; the output circular shaft is connected with the output square shaft; the scavenging air duct is arranged inside the cylinder wall and is respectively communicated with the upper and the lower parts of the cylinder; the outer wall of the piston is provided with a sliding groove matched with the limit pin; and the limit pin is blocked inside the sliding groove, the sliding groove is in a shape of closed curve which is connected end to end. The engine is not provided with a crankshaft and leads the piston to simultaneously make up and down reciprocating motion and circumferential rotation, thus having simple structure, being even in cylinder wall abrasion, prolonging the service life of the engine, changing the compression ratio, leading the up stroke time and the down stroke time to be different from each other, improving the power property of the engine, and enhancing the economical efficiency of fuel oil.

Description

Rotary reciprocating type piston engine

One, technical field: rotary reciprocating type piston engine of the present invention belongs to the dynamic power machine field.

Two, summary of the invention: present widely used motor, its defective is as follows:

1. each piston of cylinder links to each other with bent axle by connecting rod, and when piston pumped, piston, piston ring were to the wearing and tearing of casing wall and inhomogeneous, and amesiality often serious wear causes scrapping too early of cylinder body and piston.

2. engine compression ratio can't change, and the upper and lower stroke time of piston is fixed, and the power character of the economical and motor of fuel is difficult to improve.

The objective of the invention is to propose a kind of prolongation motor working life, can change compression ratio, can adjust the upper and lower stroke time, thereby improve the rotary reciprocating type piston engine of engine power performance, Economy.

The object of the present invention is achieved like this: the two-stroke rotary reciprocating type piston engine is by the cylindrical cylinder of cavity, respectively with cylinder on, the air outlet flue that the bottom is communicated with, intake duct, be installed in the spark plug at cylinder top, be inlaid in the position limit pin on the cylinder inner wall, be installed in the piston in the cylinder barrel, the output square shaft that links to each other with the piston base slip, the output circular shaft that links to each other with this, be installed in the cylinder wall respectively with cylinder on, the scavenging air belt that the bottom is communicated with is main the composition, have the chute that matches with aforementioned position limit pin on the piston outer wall, position limit pin is stuck in the chute, and chute is shaped as the closed curve of end-to-end.

Because this motor does not have bent axle, piston pumps simultaneously and circumferentially rotates, and just makes simple in structure, casing wall wearing and tearing evenly prolong motor working life, can change compression ratio, can make upper and lower stroke asynchronism(-nization), improve the power character of motor, strengthen the Economy of fuel oil.

Three, description of drawings: concrete structure of the present invention is provided by following drawings and Examples:

Fig. 1 is a two-stroke rotary reciprocating type piston engine structural representation;

Fig. 2 is a four-stroke rotary reciprocating type piston engine structural representation.

Legend: 1, spark plug, 2, chute, 3, piston, 4, scavenging air belt, 5, the output square shaft, 6, output circular shaft, 7, one-way valve, 8, intake duct, 9, cylinder, 10, position limit pin, 11, piston ring, 12, air outlet flue, 13, the firing chamber, 14, exhaust valve, 15, intake valve.

Four, embodiment:

The present invention divides two kinds of two-stroke rotary reciprocating type piston engine and four-stroke rotary reciprocating type piston engines.

Embodiment 1: as shown in Figure 1, the two-stroke rotary reciprocating type piston engine is by the cylindrical cylinder 9 of cavity, the air outlet flue 12, the intake duct 8 that are communicated with cylinder 9 upper and lower parts respectively, be installed in cylinder 9 tops spark plug 1, be inlaid in position limit pin 10 on cylinder 9 inwalls, be installed in piston 3 in the cylinder barrel, with the output square shaft 5 that piston 3 bottoms link to each other, the output circular shaft 6 that links to each other with this, be installed in the scavenging air belt 4 that is communicated with cylinder 9 upper and lower parts respectively in cylinder 9 walls and be main composition.Have square deep hole from piston 3 bottom ends in top plug, insert in it on the top of output square shaft 5.On piston 3 outer walls, have the chute 2 that matches with aforementioned position limit pin 10, position limit pin 10 front ends are stuck in the chute 2, the closed curve that is shaped as end-to-end of chute 2.

Working procedure: when piston 3 was up, cylinder 9 cavity of resorption air pressure reduced, and produced negative pressure, and the one-way valve 7 of inflammable mixture in intake duct 8 is pushed open enters cavity of resorption; When piston 3 was descending, cavity of resorption air pressure raise, and produced malleation, pushed away and closed one-way valve 7, and inflammable mixture is pressed into firing chamber 13 from scavenging air belt 4.When piston 3 is up again, inflammable mixture in the firing chamber 13 is compressed, up during near its top dead center when piston 3, inflammable mixture is lighted in spark plug 1 arcing, the outburst acting, it is descending to promote piston 3, because 10 pairs of chutes 2 of position limit pin is spacing, makes piston 3 pump simultaneously and circumferentially rotation, interlock output square shaft 5, output circular shaft 6 rotate, and then outputting power.Inflammable mixture in the cavity of resorption enters firing chamber 13 through scavenging air belt 4, and gas of combustion is pushed row outside air outlet flue 12 discharge machines, begins next circulation.

Embodiment 2: as shown in Figure 2, the four-stroke rotary reciprocating type piston engine is communicated with the air outlet flue 12 and the intake duct 8 of installing respectively by the cylindrical cylinder 9 of cavity, on cylinder 9 tops, be installed in cylinder 9 tops spark plug 1, be inlaid in position limit pin 9 on cylinder 9 inwalls, be installed in piston 3 in the cylinder barrel, with the output square shaft 5 that piston 3 bottoms link to each other, the output circular shaft 6 that links to each other with this is main composition.Be equiped with exhaust valve 14 and intake valve 15 at air outlet flue 12 and intake duct 8 with cylinder 9 places of connection.Have square deep hole from piston 3 bottom ends in top plug, insert in it on the top of output square shaft 5.On piston 3 outer walls, have the chute 2 that matches with aforementioned position limit pin 10, position limit pin 10 front ends are stuck in the chute 2, the closed curve that is shaped as end-to-end of chute 2.

Working procedure: when piston 3 was descending, inflammable mixture passed intake valve 15 and enters firing chamber 13 through intake duct 8.When piston 3 is up, inflammable mixture in the firing chamber 13 is compressed, when treating piston 3 near its top dead center, inflammable mixture is lighted in spark plug 1 arcing, the outburst acting, it is descending to promote piston 3, because 10 pairs of chutes 2 of position limit pin is spacing, makes piston 3 pump simultaneously and circumferentially rotation, interlock output square shaft 5, output circular shaft 6 rotate, and then outputting power.When piston 3 was up once more, the gas of combustion in the firing chamber 13 passed through outside the air outlet flue 12 discharge machines through exhaust valve 14.

Produce the different cylinder of position limit pin 9 installation positions respectively, the height of position limit pin 9 installation positions can determine the compression ratio that motor is different; Produce the linear chute of different curves 2 respectively, the difference of its decision upper and lower stroke time of piston.

Claims

1. rotary reciprocating type piston engine, by the cylindrical cylinder of cavity, the air outlet flue, the intake duct that are communicated with the cylinder upper and lower part respectively, be installed in the cylinder top spark plug, be installed in piston in the cylinder barrel, be installed in the scavenging air belt that is communicated with the cylinder upper and lower part respectively in the cylinder wall and be main composition, it is characterized in that: on cylinder inner wall, be embedded with position limit pin, have the chute that matches with position limit pin on the piston outer wall, position limit pin is stuck in the chute, and chute is shaped as the closed curve of end-to-end.

2. rotary reciprocating type piston engine as claimed in claim 1 is characterized in that: be communicated with respectively on cylinder top and be equiped with air outlet flue and intake duct, be equiped with exhaust valve and intake valve at air outlet flue and intake duct with the cylinder place of connection.

3. rotary reciprocating type piston engine as claimed in claim 1 is characterized in that: have square deep hole from piston bottom end in top plug, insert in it on the top of output square shaft, and the output square shaft links to each other with the output circular shaft.