RU118708U1 - MECHANISM FOR CONVERSION OF RETURN-SATURATIVE MOTION TO ROTARY - Google Patents

Abstract

1. The crank mechanism of an internal combustion engine, containing a piston, connecting rod, crankshaft, pin, cylinder, crankshaft axis, characterized in that it has three blocks, each of which contains: two coils, two pistons, two cylinder bodies, two connecting rod, connected oppositely to each other, and the length of the crankshaft is equal to the radius of the R - coil. ! 2. The crank mechanism according to claim 1, characterized in that it can have a larger number of blocks if necessary.

Description

The utility model relates to mechanical engineering, in particular engine manufacturing, and can be used in internal combustion engines, compressors, etc.

Known hypocycloid mechanism [1] Patent RU 2139460 from 09/03/1997 for converting reciprocating motion into rotational movement, comprising a housing, at least one rod with a piston located therein, connected to it by means of a crank crankshaft, supporting journals of which are mounted crankshaft bearing, and rotation synchronization mechanism. The mechanism is equipped with a block mounted on the crank, of coaxial gears with the axis of rotation parallel offset from the axis of rotation of the crank, consisting of an internal gear, which serves to interact with the crankshaft gear and the external gear, to interact with the stationary gear.

However, it has the disadvantage that as a result of the crankshaft gear with pitch circles equal to half the stroke of the piston, they are loaded with the full torque of the crankshaft. This leads to high contact pressure in the gears of the gears, which reduces the reliability of such a mechanism, its maintainability and complicates the use.

Known cod [2] Patent RU 76094 of March 31, 2008, a crank mechanism with an offset crankshaft and a piston attached to the connecting rod through an intermediate part such as a bracket.

It has a connecting rod mechanism in which the overturning moment of the engine is equal to the product of the shoulder size L by the force N. To reduce friction when the piston moves in the cylinder, the position of the crankshaft axis is shifted from the cylinder axis to the left, rotating clockwise by an amount equal to 0.5 radius. This reduces the angle between the force vector P and the force vector acting on the connecting rod during the stroke. In this case, a decrease in the force directed perpendicular to the movement of the piston reduces the vibration of the engine and reduces wear on the pistons and cylinders.

However, this mechanism has the disadvantage that there is a problem with installing an additional camera due to the indirect movement of the connecting rod, this mechanism is not suitable for block production.

Known crank-rocker-crank mechanism [3] (prototype) Patent RU 2348822 dated 12/04/2006 for converting reciprocating motion into rotational motion with rectilinear movement of the piston and connecting rod through the rocker arm system. However, it has a drawback - rectilinear movement is carried out using the rocker system, which is difficult and impossible to install an additional camera. This mechanism is also not suitable for block production (there is no middle dead center), therefore, when working with several pistons, at least one piston cannot be stopped, which would not interfere with the work of others.

The objective of this technical solution is to increase the reliability and maintainability of the mechanism.

The problem is solved due to the fact that the crankshaft of the device is based on 3 blocks of coils. Each block has 2 coils, 2 pistons, 2 cylinder bodies, two connecting rods connected in opposite. Moreover, the length of the crankshaft is equal to the radius of the R-coil.

In figure 1. The proposed crank mechanism, consisting of:

1. Piston - 1.

2. Connecting rod - 2.

3. Crankshaft (with a length equal to R coils) - 3.

4. Fingers - 4.

5. Cylinder bodies - 5.

6. Crankshaft axles - 6.

7. Coils - 7.

8. Cases of the crankcase - 8.

9. Connection of coils - 9.

10. Sealing - 10.

In figure 2.

1. Crankshaft (whose length is equal to R coils) - 3.

2. Connection of coils. - 9.

In figure 3

1. Crankshaft - 3.

2. Coil - 7.

3. Extreme dead spots A1 and A2.

4. Average dead center A3.

5. The connection points of the crankshaft with coil C.

The work of the conversion mechanism.

When the reciprocating motion is reported to the pistons through the connecting rods, the motion is transmitted to the crankshaft, turning it rotational by means of coils connected to the crankshaft, the coils rest on the housing. In one block, 2 coils, 2 pistons, 2 cylinder bodies and 2 connecting rods connected to each other opposite to the crankshaft are obtained. Moreover, the length of the crankshaft is equal to the R-coil. If reciprocating motion is not reported, the crankshaft point connected to the connecting rods is pulled to middle dead center, and the point connected to the coils moves in a circle of the coil, without interfering with the work of other working units. In Fig. 1, there are 3 blocks, the middle block with center dead center A3, 2 extreme blocks with extreme dead points A1, A2 and C - the connection point of the crankshaft with the coil. If the reciprocating movement is not reported to the middle block, then its pistons will not move in vain, as in conventional internal combustion engines. The mechanism is provided with seals 10.

The technical solution to the problem is to increase the complexity of manufacturing the mechanism through the use of a crankshaft whose length is equal to the R-coil.

Advantage.

The use of coils and a crankshaft, whose length is equal to the R-coil, makes it possible to assemble a crankshaft with any angle of displacement. The friction of the pistons against the cylinder is minimal due to the rectilinear movement of the connecting rods. According to the manufacturing technology, the crankshaft is less laborious, since we have one-position. Production by blocks makes it possible to assemble the engine of the required power, and during repair only replace the faulty block without disassembling the others.

Sources of information taken into account:

1. Patent RU 2139460 MPK F16H 21/40; from 09/03/1997

2. Patent RU 76094 IPC F16J 1/00; March 31, 2008

3. Patent RU 2348822 IPC F16H 21/18; F02B 75/32; dated December 4, 2006 (Prototype).

Claims (2)

1. A crank mechanism of an internal combustion engine comprising a piston, connecting rod, crankshaft, pin, cylinder, crankshaft axis, characterized in that it has three blocks, each of which has: two coils, two pistons, two cylinder bodies, two connecting rods, interconnected opposite, and the length of the crankshaft is equal to the radius of the R - coil. 2. The crank mechanism according to claim 1, characterized in that it can have, if necessary, a larger number of blocks.