WO2016145734A1

WO2016145734A1 - Piston connection rod set for reciprocating piston built-in chained connection rod dead-point-free engine

Info

Publication number: WO2016145734A1
Application number: PCT/CN2015/079249
Authority: WO
Inventors: 尹建
Original assignee: 尹建
Priority date: 2015-03-17
Filing date: 2015-05-19
Publication date: 2016-09-22
Also published as: CN204647278U; CN104791484A

Abstract

A piston connection rod set for a reciprocating piston built-in chained connection rod dead-point-free engine comprises a piston (2) and a connection rod (4). The bottom of the piston (2) is hollow. A movable sleeve (3) is disposed in an inner cavity (11) in the bottom of the piston (2). The movable sleeve (3) can axially move along the inner wall of the inner cavity (11). A first fixed shaft (5) is disposed in the movable sleeve (3). The small end of the connection rod (4) is hingedly connected to the first fixed shaft (5). A shifting block (10) is disposed on the side of the small end of the connection rod (4). A groove or a pinhole (6) is formed in the shifting block (10). The groove or the pinhole (6) is located on one side of the first fixed shaft (5). One end of a pushrod (7) is disposed in the groove or the pinhole (6) in a matched manner. The other end of the pushrod (7) is hingedly connected to a second fixed shaft (8). The second fixed shaft (8) is mounted in the inner cavity (11) of the piston (2). The movable sleeve (3) can perform reciprocating movement in the inner cavity (11) along the axis. The piston (2) guides for the movable sleeve (3). The device can eliminate dead points of the engine, reduce energy consumption and reduce the loss of the piston connection rod set and a crankshaft.

Description

Reciprocating piston built-in chain connecting rod without dead point engine piston connecting rod set

Technical field

The invention relates to an engine piston connecting rod set, in particular to a reciprocating piston built-in chain connecting rod without dead point engine piston connecting rod set.

Background technique

In the current engine piston connecting rod set, the piston moves up and down to push the connecting rod to swing while moving up and down, thereby driving the crankshaft to rotate. However, the existing piston connecting rod group has the following disadvantages: 1. When the piston moves to the top dead center and the bottom dead center, a dead point occurs, and the existing engine cannot completely solve the problem of the engine dead point. 2. The connection between the piston and the connecting rod is easy to wear. After the damage, the piston can no longer be used. Only the piston can be replaced, and the piston only wears at the joint with the connecting rod. Therefore, replacing the piston will result in waste of resources and high cost.

Summary of the invention

In order to solve the above problems, the object of the present invention is to provide a reciprocating piston built-in chain connecting rod without dead point engine piston connecting rod set. The piston adopts a split structure, and only needs to replace some components after wear, thereby avoiding waste of resources, more importantly It can solve the problem of engine dead point and create the effect of energy saving and twisting.

In order to achieve the above object, the present invention is achieved by the following technical solutions: a reciprocating piston built-in chain connecting rod without dead point engine piston connecting rod set, including a piston and a connecting rod, the bottom of the piston is hollow, and a movable sleeve is arranged in the inner cavity of the piston bottom, and the activity The sleeve can move axially along the inner wall of the inner cavity, the first fixed shaft is arranged in the movable sleeve, the small head of the hinged connecting rod on the first fixed shaft, the dialing block is arranged on one side of the small head of the connecting rod, and a groove is formed on the dialing block or The pin hole, the groove or the pin hole is located on one side of the first fixed shaft, the one end of the push rod is matched in the groove or the pin hole, the other end of the push rod is hinged to the second fixed shaft, and the second fixed shaft is installed in the inner cavity of the piston The movable sleeve can reciprocate in the inner axis of the inner cavity, and the piston is guided by the movable sleeve.

The object of the invention can also be achieved by the fact that the axis of the second fixed shaft passes the central axis of the piston. The top end of the piston is provided with a gas groove.

The invention has the advantages that the special dial block, the movable sleeve and the push rod can force the connecting rod to swing at the top dead center or the bottom dead center, thereby fundamentally eliminating the engine dead point, thereby reducing energy consumption and reducing the piston connecting rod. Group and crankshaft losses. The piston is internally arranged with a movable sleeve that can move up and down with respect to the piston. The piston is connected to the connecting rod through the movable sleeve, so that the connecting portion between the piston and the connecting rod can be disassembled, which is convenient to be replaced after wear and avoid waste. Moreover, the split structure of the piston is more convenient to dissipate heat and has higher strength. In addition, the top of the piston is sealed, and the movable sleeve is located in the inner cavity of the bottom of the piston, which can effectively avoid the problem of high temperature gas leaking between the piston and the movable sleeve, and can effectively ensure the launching. Machine operating efficiency.

DRAWINGS

1 is a schematic structural view of a piston rod connecting rod of a reciprocating piston built-in chain connecting rod without dead center, in which the piston row reaches the uppermost end of the cylinder; FIG. 2 is the bottom of the piston in FIG. 3 is a schematic view of the piston of FIG. 2 descending to the lowermost end of the cylinder; FIG. 4 is a schematic view of the piston of FIG. 3 ascending to the middle of the cylinder.

LIST OF REFERENCE NUMERALS 1 cylinder 2 piston 3 movable sleeve 4 connecting rod 5 first fixed shaft 6 groove or pin hole 7 push rod 8 second fixed shaft 9 crankshaft 10 dial block 11 inner chamber 12 gas groove.

detailed description

The reciprocating piston of the present invention has a chain connecting rod without dead point engine piston connecting rod set. As shown in FIG. 1 , the connecting rod 4 and the piston 2 are included, and the bottom of the piston 2 is hollow. A movable sleeve 3 is disposed in the inner cavity 11 at the bottom of the piston 2, and the movable sleeve 3 can move axially along the inner wall of the inner chamber 11. The piston 2 provides guidance to the movable sleeve 3 so that the movable sleeve 3 can reciprocate along the axis of the inner chamber 11. The first fixed shaft 5 is disposed in the movable sleeve 3, and the small head of the hinge link 4 is fixed on the first fixed shaft 5. A dial 10 is provided on one side of the small head of the connecting rod 4. A groove or a pin hole 6 is defined in the dial block 10, and a groove or pin hole 6 is located on one side of the first fixed shaft 5, and one end of the push rod 7 is fitted in the groove or the pin hole 6, and the other end of the push rod 7 is hinged. The second fixed shaft 8 is mounted in the piston 2. If the groove is formed in the dial block 10, the groove directly engages with the push rod 7. If the pin hole is opened, the pin 7 is hinged to the push rod 7.

At the beginning of the power stroke, the high temperature gas works on the end face of the piston 2, and the piston 2 applies a force to the side of the link 4 through the push rod 7, since the movable sleeve 3 provides a pivot point for the small head of the connecting rod 4, therefore, the piston When working, the link 4 can be forced to swing to cross the dead point position, that is, to eliminate the dead point. The change in the distance between the first fixed shaft 5 and the second fixed shaft 8 due to the swing of the small head of the link 4 is compensated by the movable sleeve 3 moving up and down with respect to the piston 2.

The piston 2 is connected to the connecting rod 4 through the first fixed shaft 5 in the movable sleeve 3. After the first fixed shaft 5 is worn, it can be solved by replacing the movable sleeve 3 to avoid waste. Moreover, since the piston 2 adopts a split structure, its strength is higher and the heat dissipation effect is better. The piston 2, the push rod 7, the movable sleeve 3 and the connecting rod 4 are connected in sequence to form a chain structure.

In use, the piston 2 is housed in the cylinder 1. A sealing ring is arranged between the cylinder 1 and the piston 2, and the sealing ring is installed in the upper outer wall of the piston 2. The seal ring is a gas ring and an oil ring.

In order to further avoid the occurrence of a dead point, the following technical solution can also be adopted: the axis of the second fixed shaft 8 passes the central axis of the piston 2, that is, the axis of the second fixed shaft 8 is in the same vertical direction as the center line of the piston 2. On the straight surface, the first fixed shaft 5 and the dial block 10 are respectively located on both sides of the vertical plane where the center line of the crank is located, thereby ensuring the second The line connecting the fixed shaft 8 and the midpoint of the lower end of the push rod 7 has a certain initial angle with respect to the center line. When the piston 2 is forced to move downward, the push rod 7 generates a component force that pushes the swing of the connecting rod 4, so that the connecting rod 4 rotates along the first fixed shaft 5, and avoids the connecting rod 4 when the connecting rod 4 is at the top and bottom dead center. 4 appeared dead.

In order to make the high temperature gas force more concentrated and effective on the end of the piston, as shown in FIG. 1, the top end of the piston 2 is provided with a gas groove 12.

The technical solution of the present invention is not limited to the scope of the embodiments described in the present invention. The technical contents not described in detail in the present invention are all well-known techniques.

Claims

Reciprocating piston built-in chain link dead end engine piston connecting rod set, including piston (2) and connecting rod (4), piston (2) bottom hollow, characterized by: piston (2) bottom inner cavity (11) The movable sleeve (3) is arranged inside, the movable sleeve (3) can move axially along the inner wall of the inner cavity (11), the first fixed shaft (5) is arranged in the movable sleeve (3), and the first fixed shaft (5) is hingedly connected The small head of the rod (4), the side of the small head of the connecting rod (4) is provided with a dial block (10), and the dial block (10) is provided with a groove or a pin hole (6), a groove or a pin hole (6) Located on one side of the first fixed shaft (5), one end of the push rod (7) is fitted in the groove or pin hole (6), and the other end of the push rod (7) is hinged to the second fixed shaft (8), the second fixed The shaft (8) is mounted in the inner cavity (11) of the piston (2); the movable sleeve (3) is reciprocally movable in the inner axis of the inner chamber (11), and the piston (2) is guided by the movable sleeve (3).
The reciprocating piston built-in chain link dead fly engine piston rod set according to claim 1, characterized in that the axis of the second fixed shaft (8) passes the central axis of the piston (2).
The reciprocating piston built-in chain link dead fly engine piston connecting rod set according to claim 1, characterized in that the top end of the piston (2) is provided with a gas groove (12).