CN103742263A

CN103742263A - Connecting rod piston type combustion chamber combined dead-center-free reciprocating internal combustion engine

Info

Publication number: CN103742263A
Application number: CN201410037254.0A
Authority: CN
Inventors: 尹建; 尹佳琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-26
Filing date: 2014-01-26
Publication date: 2014-04-23
Anticipated expiration: 2034-01-26
Also published as: WO2015109642A1; CN103742263B

Abstract

The invention discloses a connecting rod piston type combustion chamber combined dead-center-free reciprocating internal combustion engine which comprises a shell, a connecting rod, a crank and a crankshaft. A cylinder is arranged in the shell, a piston head is mounted in the cylinder, an inner cavity and a piston pin hole are formed in the piston head, the piston head is hinged to the connecting rod through a piston pin which is matched with the piston pin hole, and the connecting rod is located in the inner cavity. Smoothness of the internal combustion engine can be effectively improved, and service life of the internal combustion engine is prolonged. The dead center distance with the top dead center position about 15-25 degrees of an original internal combustion engine is utilized, working stroke of an original conventional piston is elongated, and thrust area of the piston is increased, so that the internal combustion engine is ensured to output power under maximum pressure. The piston head, the piston pin and the connecting rod can act for power output at an angle more than 180 degrees, particularly power output with piston running top and bottom dead centers of crankshaft 180 degrees + piston block output thrust angle of crank angle 90 degrees more than and equal to crank angle 180 degrees. Dead centers are eliminated, and the connecting rod piston type combustion chamber combined dead-center-free reciprocating internal combustion engine further has the advantages of simple structure and simplicity in manufacturing.

Description

Connecting rod piston formula combined burning chamber is without dead point Reciprocatory internal-combustion engine

Technical field

The present invention relates to a kind of internal-combustion engine, is exactly that a kind of connecting rod piston formula combined burning chamber is without dead point Reciprocatory internal-combustion engine.

Background technique

Existing piston reciprocating internal combustion engine exists piston in working stroke when top dead center is descending, to have the problem at dead point.Its main cause is, the thrust direction of traditional combustion engine piston can only be the down direction of piston, and piston cannot be to multiple directions transmitting thrust.When piston walks to top dead center, thrust is not only done work and also can be directly acted on bent axle, has increased the load of bent axle, to bent axle and whole internal-combustion engine, all can cause damage in various degree, thereby, shortened working life of internal-combustion engine.

Summary of the invention

Object of the present invention, be to provide a kind of connecting rod piston formula combined burning chamber without dead point Reciprocatory internal-combustion engine, it can eliminate the problem at the dead point that in conventional reciprocating formula internal-combustion engine working stroke, piston exists when top dead center is descending, can effectively extend the working stroke of piston, and alleviate the load of bent axle, extend the working life of bent axle and whole internal-combustion engine.

The object of the invention is to be achieved through the following technical solutions: connecting rod piston formula combined burning chamber is without dead point Reciprocatory internal-combustion engine, comprise housing, connecting rod, crank, bent axle, in housing, be provided with cylinder, piston head is installed in cylinder, in piston head, offer inner chamber and piston pin hole, piston head is by wrist pin and rod hinge connection, piston pin and piston hole coordinates, connecting rod is positioned at inner chamber, inlet hole is offered in the end of piston head, in piston head, offer crown fuel chamber and air vent, air vent communicates with cylinder, the hinged one end of connecting rod and wrist pin is provided with piston block, piston block coordinates with crown fuel chamber, and piston block can be under the driving of connecting rod in crown fuel chamber reciprocally swinging, piston block is provided with diaphragm seal, diaphragm seal with in the moving process of piston block reciprocally swinging all the time with the inwall fitted seal of crown fuel chamber, piston block is divided into the first air chamber and the second air chamber by crown fuel chamber, and the first air chamber communicates with air vent, and the second air chamber communicates with inlet hole.

For further realizing object of the present invention, can also realize by the following technical solutions: described interior cavity wall is provided with annular seal groove, the axis of annular seal groove is vertical with the axis of piston pin hole, the close ring of installing connecting rods, connecting rod seal ring and connecting rod fitted seal in annular seal groove.

Good effect of the present invention is: its piston can be realized multi-direction transmitting thrust, and thrust is directly acted on connecting rod, in top dead centre position, force connecting rod swing, to prevent that piston from occurring dead point at top dead center, thereby, can effectively improve the smoothness of internal combustion engine, extend the working life of internal-combustion engine.It has utilized the dead point distance of the about 15-25 ゜ of former internal-combustion engine top dead center position, lengthened the working stroke of former conventional piston, simultaneously, increased the area of thrust surface of piston, thereby, guarantee described internal-combustion engine outputting power when pressure is maximum, to improve mechanical efficiency, reduce energy consumption, and can effectively improve power character and the Economy of internal-combustion engine.Piston head, wrist pin and connecting rod can do the action of the outputting power that is greater than 180 degree angles, specifically to move upper and lower stop be that bent axle 180 ゜+piston block thrust output angle is the power output that crank angle 90 ゜ equal to be greater than crank angle 180 ゜ to piston, eliminated dead point.The present invention also has advantages of simple in structure, easily manufactured.

Accompanying drawing explanation

Fig. 1 is the structural representation of connecting rod piston formula combined burning of the present invention chamber without dead point Reciprocatory internal-combustion engine, and in figure, piston is in top dead center position, and a, b, c conllinear internal-combustion engine are prone to dead point herein; Fig. 3 is piston in Fig. 1 schematic diagram in bottom dead center position; Fig. 2 and Fig. 4 are respectively descent of pistons in Fig. 1 to cylinder middle part and go upward to the schematic diagram at cylinder middle part; Fig. 5 is the structural representation of described piston head; Fig. 6 is the plan structure schematic diagram of Fig. 5.

Reference character: the articulating point c crankshaft end-face center of circle of 1 cylinder 2 piston head 3 wrist pin 4 connecting rod 5 crank 6 bent axle 7 piston block 8 crown fuel chamber 9 inlet hole 10 diaphragm seal 11 air vent 12 annular seal groove 13 inner chamber 14 first air chamber 15 second air chamber 16 crankcase 17 piston pin hole a piston heads and connecting rod hinge point b connecting rod and crank.

Embodiment

Connecting rod piston formula combined burning of the present invention chamber, without dead point Reciprocatory internal-combustion engine, comprises housing, connecting rod 4, crank 5, bent axle 6 as shown in Figure 1.In housing, be provided with cylinder 1.The interior installation piston head 2 of cylinder 1.In piston head 2, offer inner chamber 13 and piston pin hole 17.Piston head 2 is hinged by wrist pin 3 and connecting rod 4.Wrist pin 3 coordinates with piston pin hole 17, and connecting rod 4 is positioned at inner chamber 13.As shown in Figure 5, inlet hole 9 is offered in the end of piston head 2.In piston head 2, offer crown fuel chamber 8 and air vent 11.Air vent 11 communicates with the crankcase 16 of cylinder 1.The hinged one end of connecting rod 4 and wrist pin 3 is provided with piston block 7.As shown in Figures 1 to 4, piston block 7 coordinates with crown fuel chamber 8, and piston block 7 can be at the interior reciprocally swinging of crown fuel chamber 8 under the driving of connecting rod 4.Piston block 7 is provided with diaphragm seal 10, diaphragm seal 10 with in piston block 7 reciprocally swinging processes all the time with the inwall fitted seal of crown fuel chamber 8.Piston block 7 is divided into the first air chamber 14 and the second air chamber 15 by crown fuel chamber 8.The first air chamber 14 and the second air chamber 15 are separate obstructed.The first air chamber 14 communicates with air vent 11, and the second air chamber 15 communicates with inlet hole 9.Described diaphragm seal 10 can be made one with piston block 7, also can make separately respectively with piston block 7.Inlet hole 9 also can be described as air flue shaped firing chamber.The sense of rotation of internal-combustion engine is depended in the position of air flue shaped firing chamber.Shown in figure of the present invention, air flue shaped firing chamber is positioned at right side, is right air flue type, and its internal-combustion engine is dextrorotation internal-combustion engine.Otherwise left is left-handed internal-combustion engine to internal-combustion engine.Described piston block 7 is preferably crown piston as shown in Figure 1.

The working principle of described internal-combustion engine is identical with existing internal-combustion engine with process, and difference is, as shown in Figure 1, when piston head 2 is during in top dead center downstream position, gas fuel burning expands, and acts on the one hand the end face of piston head 2, gives piston head 2 along the descending thrust of cylinder 1; On the other hand, inflammable gas directly acts on the left side of piston block 7 in inlet hole 9 enters the second air chamber 15, by piston block 7, connecting rod 4 is applied to a moment of torsion, and connecting rod 4 is swung and pass through smoothly top dead center position, thereby, prevent that dead point from occurring.Piston block 7 is left in swing process, and the gas in the first air chamber 14 can be in air vent 11 enters crankcase 16.Air vent 11 can prevent interior air cushion or the negative pressure of occurring of the first air chamber 14, guarantees that piston block 7 is in the interior normal swing of crown fuel chamber 8.

Internal-combustion engine of the present invention can be following reciprocating IC engine:

1, for the development of gasoline, diesel two-stroke and four-stroke internal-combustion reciprocating-pisto.

2, for the development of single cylinder and multi-cylinder model internal-combustion engine.

3, for positive drive type and self-combusting type ignition engine.

4, for overhead type and upside-down gas valve IC engine.

5, for the internal-combustion engine of anticlockwise and right rotation.

6, for the internal-combustion engine of various Starting mode.

7, for the internal-combustion engine of the various types of cooling.

8, for the internal-combustion engine of various lubricating systems.

9, for I, Y, V, first-class various arranged type internal-combustion engines.

As shown in Figure 5, described inner chamber 13 inwalls are provided with annular seal groove 12, and the axis of annular seal groove 12 is vertical with the axis of piston pin hole 17.The close ring of the interior installing connecting rods of annular seal groove 12, connecting rod seal ring and connecting rod 4 fitted seal, can prevent that inflammable gas from being leaked between connecting rod 4 and piston head 2 by the second air chamber 15, to guarantee that inflammable gas fully does work.

Technical solutions according to the invention are not restricted in embodiment's of the present invention scope.The present invention not technology contents of detailed description is known technology.

Claims

1. connecting rod piston formula combined burning chamber is without dead point Reciprocatory internal-combustion engine, comprise housing, connecting rod (4), crank (5), bent axle (6), in housing, be provided with cylinder (1), piston head (2) is installed in cylinder (1), in piston head (2), offer inner chamber (13) and piston pin hole (17), piston head (2) is hinged by wrist pin (3) and connecting rod (4), wrist pin (3) coordinates with piston pin hole (17), connecting rod (4) is positioned at inner chamber (13), it is characterized in that: inlet hole (9) is offered in the end of piston head (2), in piston head (2), offer crown fuel chamber (8) and air vent (11), air vent (11) communicates with cylinder (1), the hinged one end of connecting rod (4) and wrist pin (3) is provided with piston block (7), piston block (7) coordinates with crown fuel chamber (8), and piston block (7) can be under the driving of connecting rod (4) in crown fuel chamber (8) reciprocally swinging, piston block (7) is provided with diaphragm seal (10), diaphragm seal (10) with in the moving process of piston block (7) reciprocally swinging all the time with the inwall fitted seal of crown fuel chamber (8), piston block (7) is divided into the first air chamber (14) and the second air chamber (15) by crown fuel chamber (8), the first air chamber (14) communicates with air vent (11), and the second air chamber (15) communicates with inlet hole (9).

2. connecting rod piston formula combined burning according to claim 1 chamber is without dead point Reciprocatory internal-combustion engine, it is characterized in that: described inner chamber (13) inwall is provided with annular seal groove (12), the axis of annular seal groove (12) is vertical with the axis of piston pin hole (17), the close ring of the interior installing connecting rods of annular seal groove (12), connecting rod seal ring and connecting rod (4) fitted seal.