CN211852001U

CN211852001U - Horizontal engine

Info

Publication number: CN211852001U
Application number: CN202020418354.9U
Authority: CN
Inventors: 何富文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-03
Anticipated expiration: 2030-03-27

Abstract

A horizontal engine comprises a crankshaft and more than one group of opposed engine units, wherein the opposed engine comprises a first cylinder, a second cylinder and a first connecting rod, the first end of the first connecting rod is hinged with a first piston, the second end of the first connecting rod is hinged with a second piston, a fixed sliding groove is formed between the first cylinder and the second cylinder, the first connecting rod is in sliding fit with the fixed sliding groove, and a rack is arranged on one side, exposed out of the fixed sliding groove, of the first connecting rod; the linkage mechanism comprises a sector gear, a second connecting rod and a third connecting rod, the second connecting rod and the third connecting rod are connected with the sector gear, the sector gear is meshed with the rack, the first end of the second connecting rod is fixedly connected with the sector gear, the second end of the second connecting rod is hinged with the first end of the third connecting rod, the second end of the third connecting rod is hinged with a crankshaft neck of a crankshaft, and the second connecting rod is pivoted on a fixed shaft. The declination angle of the connecting rod can be reduced by adding the swinging sector gear.

Description

Horizontal engine

Technical Field

The utility model relates to an engine, especially a horizontal engine.

Background

The engine pistons are evenly distributed on two sides of the crankshaft and move left and right in the horizontal direction. The engine is arranged on the central line of the whole vehicle, the moments generated by the pistons at the two sides are mutually offset, the vibration of the vehicle in the running process is greatly reduced, the rotating speed of the engine is greatly improved, and the noise is reduced. For example, the opposed electromagnetic driving engine with Chinese patent publication No. CN204511654U comprises a crankcase and cylinder bodies made of non-magnetic conductive material, wherein each cylinder body is internally provided with a permanent magnet piston which is connected with a crankshaft through a connecting rod; the cylinder bodies are even in number, are evenly distributed on the left side and the right side of the crankcase and are arranged in a staggered mode, the permanent magnet pistons in the cylinder bodies move left and right in the horizontal direction, one end, provided with the cylinder cover, of each cylinder body is provided with a piston driving device, each piston driving device is provided with a winding coil, a permanent magnet core and a power supply amplifying and shaping circuit, the magnetic poles of the permanent magnet pistons, which are opposite to the permanent magnet cores, are the same, the permanent magnet pistons and the permanent magnet cores are mutually exclusive, and inner sensors and outer sensors are respectively arranged at two dead center positions of the reciprocating. The piston of the existing opposed engine is directly connected with the crankshaft neck, when the crankshaft neck rotates to the highest point or the lowest point, the included angle between the connecting rod connected with the piston and the horizontal plane is the largest, the larger the included angle is, the larger the pressure between the piston and the cylinder wall is when the piston moves, namely, the larger the friction force is, so the included angle is a key factor influencing the service life of the cylinder. Because the cylinder of the opposed engine is horizontal, the piston is influenced by gravity and the included angle of the connecting rod, the piston of the opposed engine rubs the cylinder seriously, and the traditional opposed engine is not developed.

Disclosure of Invention

The utility model aims to solve the technical problem that a horizontal engine is provided, reduce the friction between piston and the cylinder body, increase the life-span of cylinder.

In order to solve the technical problem, the technical scheme of the utility model is that: a horizontal engine comprises a crankshaft and more than one group of opposite engine units, wherein the opposite engine units are connected with the crankshaft through a linkage mechanism; the opposed engine comprises a first cylinder, a second cylinder and a first connecting rod, wherein the first end of the first connecting rod is hinged with a first piston of the first cylinder, the second end of the first connecting rod is hinged with a second piston of the second cylinder, a fixed sliding groove is formed between the first cylinder and the second cylinder, the first connecting rod is in sliding fit with the fixed sliding groove, and a rack is arranged on one side, exposed out of the fixed sliding groove, of the first connecting rod; the linkage mechanism comprises a sector gear, a second connecting rod and a third connecting rod, the second connecting rod and the third connecting rod are connected with the sector gear, the sector gear is meshed with the rack, the first end of the second connecting rod is fixedly connected with the sector gear, the second end of the second connecting rod is hinged with the first end of the third connecting rod, the second end of the third connecting rod is hinged with a crankshaft neck of a crankshaft, and the second connecting rod is pivoted on the fixed shaft. The utility model discloses the principle: when the first piston moves to the bottom dead center, the second piston is positioned at the top dead center, the sector gear swings to the maximum angle towards the direction of the second cylinder, the first connecting rod is parallel to the third connecting rod, and a crankshaft neck connected with the third connecting rod rotates to the left side; when the first piston moves to the middle stroke position of the first cylinder, the second piston moves to the middle stroke position of the second cylinder, the sector gear swings to the middle position of the two cylinders, the first connecting rod is vertical to the second connecting rod, and a crankshaft neck hinged with the third connecting rod rotates to the lowest point; when the first piston moves to the top dead center, the second piston is at the bottom dead center, the sector gear swings to the maximum angle towards the first cylinder direction, the first connecting rod is parallel to the third connecting rod at the moment, and a crankshaft neck connected with the third connecting rod rotates to the right side; similarly, when the first piston moves from the top dead center to the bottom dead center again, the crankshaft rotates for just one circle, and the first piston and the second piston complete one movement cycle. The utility model discloses increase wobbling sector gear, utilize sector gear's swing and sector gear and the tooth meshing transmission power of first connecting rod, and first connecting rod is under the restraint of fixed spout, remain the horizontal motion throughout, be equivalent to the offset angle and be 0, the biggest offset angle that this linkage can reduce the connecting rod, can reduce the wearing and tearing of piston and cylinder body, the life-span of extension cylinder, and the frictional force that the piston received is less moreover, the thrust of its output is big more, therefore the output torque of bent axle is big more.

As a refinement, the crankshaft and linkage are disposed below the set of opposed cylinders.

As an improvement, the rack is arranged on the bottom surface of the first connecting rod, and an opening for exposing the rack is formed in the bottom surface of the fixed sliding chute.

As an improvement, when the first piston or the second piston moves to the stop position, the first connecting rod is parallel to the third connecting rod.

Compared with the prior art, the utility model the beneficial effect who brings is:

the utility model discloses increase wobbling sector gear, utilize sector gear's swing and the tooth meshing transmission power of sector gear and first connecting rod, and first connecting rod under the restraint of fixed spout, horizontal motion is kept all the time, be equivalent to the skew angle be 0, sector gear is left and right sides swing in the finite range, not only can transmit the thrust of cylinder to the bent axle and make its continuous cycle rotate, and can reduce piston rod's skew angle, the smaller the skew angle of piston rod, the pressure between piston and the cylinder body is just the smaller, frictional force between piston and the cylinder body is just the smaller, can reduce the wearing and tearing of piston and cylinder body, the life-span of extension cylinder; the smaller the friction force received by the piston is, the greater the thrust force output by the piston is, so the greater the output torque of the crankshaft is; the utility model discloses can adopt two-stroke cylinder or four-stroke cylinder, two cylinders of every group opposition engine unit act on same bent axle neck, therefore the piston action of these two cylinders is totally opposite, set up two sets of opposition engine unit in a plurality of engines, and when the cylinder was four-stroke cylinder, every rotatory a week of bent axle, there are two cylinders can do work to the bent axle, namely every rotatory half week of bent axle just has the cylinder to do work to it, two cylinders of doing work exert thrust and pulling force respectively to the bent axle, two acting forces are used on the bent axle more balanced, compare traditional opposition engine unit, the horsepower of the engine output of the utility model is bigger, deduc according to the theory and increase the times even; because two cylinders correspond to one crank journal of the crankshaft, the number of the crank journals of the crankshaft is less, the structure of the crankshaft is simpler, and the weight is correspondingly reduced.

Drawings

Fig. 1 is a schematic view of the state I of the present invention.

Fig. 2 is a schematic view of state II of the present invention.

Fig. 3 is a schematic view of state III of the present invention.

Fig. 4 is a schematic view of the state IV of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a horizontal type horizontal opposed engine comprises a crankshaft 9 and more than one set of opposed engine sets, wherein each opposed engine set comprises a first cylinder 1, a second cylinder 2 and a first connecting rod 3, and the first cylinder 1 and the second cylinder 2 are arranged in an opposed mode and are coaxial through the first connecting rod 3; when only one set of opposed engine units is available, the engine is a two-cylinder engine, and when two sets of opposed engine units are available, the engine is a four-cylinder engine, and so on; each set of opposed engine blocks is arranged horizontally in parallel, the opposed engine blocks are connected with a crankshaft 9 neck of a crankshaft 9 through a linkage mechanism, and the crankshaft 9 and the linkage mechanism are arranged below the opposed cylinder sets.

As shown in fig. 1, a first end of the first connecting rod 3 is hinged to the first piston 11 of the first cylinder 1, a second end of the first connecting rod 3 is hinged to the second piston 21 of the second cylinder 2, the first piston 11 and the second piston 21 are linked through the first connecting rod 3, and the occurrence of the first piston 11 and the occurrence of the second piston 21 at the upper and lower dead points are opposite. A fixed chute 4 is arranged between the first cylinder 1 and the second cylinder 2, the fixed chute 4 is arranged in the middle of the two cylinders, and the fixed chute 4 is fixed on the shell of the engine through bolts and is fixed in position; fixed spout 4 is rectangular shape, first connecting rod 3 and fixed spout 4 sliding fit, first connecting rod 3 can follow fixed spout 4 horizontal slip to guarantee first connecting rod 3's levelness. A rack is arranged on the bottom surface of the first connecting rod 3 along the length direction, and the rack and the first connecting rod 3 are integrally formed; the fixed sliding chute 4 is a dovetail groove, an opening for exposing the rack is arranged on the bottom surface of the fixed sliding chute, and the rack does not obstruct the sliding of the first connecting rod 3 in the fixed sliding chute 4. The linkage mechanism comprises a sector gear 8, a second connecting rod 5 and a third connecting rod 7 which are connected with the sector gear 8; the first end of the second connecting rod 5 is fixedly connected with the sector gear 8, the second connecting rod 5 and the sector gear 8 are integrally formed, and the second connecting rod 5 is pivoted on the fixed shaft so that the sector gear 8 can do circular motion around the fixed shaft 6; the sector gear 8 is meshed with the rack, the second end of the second connecting rod 5 is hinged with the first end of the third connecting rod 7, and the second end of the third connecting rod 7 is hinged with the crankshaft 9 neck of the crankshaft 9.

The utility model discloses the principle: as shown in fig. 1, when the first piston 11 moves to the bottom dead center, the second piston 21 is at the top dead center, the sector gear 8 swings to the maximum angle toward the second cylinder 2, at this time, the first connecting rod 3 is parallel to the third connecting rod 7, and the crankshaft 9 neck connected to the third connecting rod 7 rotates to the left; as shown in fig. 2, when the first piston 11 moves to the middle position of the first cylinder 1, the second piston 21 moves to the middle position of the second cylinder 2, the sector gear 8 swings to the middle position of the two cylinders, the first connecting rod 3 is perpendicular to the second connecting rod 5, and the crankshaft 9 neck hinged with the third connecting rod 7 rotates to the lowest point; as shown in fig. 3, when the first piston 11 moves to the top dead center, the second piston 21 is at the bottom dead center, the sector gear 8 swings to the maximum angle toward the first cylinder 1, at this time, the first connecting rod 3 is parallel to the third connecting rod 7, and the crankshaft 9 neck connected to the third connecting rod 7 rotates to the right; as shown in fig. 4, similarly, when first piston 11 moves from the top dead center to the bottom dead center again, crankshaft 9 just rotates one revolution, and first piston 11 and second piston 21 complete one movement cycle.

The utility model discloses increase wobbling sector gear 8, utilize sector gear 8's swing and sector gear 8 and first connecting rod 3's tooth meshing transmission power, and first connecting rod 3 is under the restraint of fixed spout 4, the horizontal motion is kept all the time, be equivalent to the skew angle and be 0, sector gear 8 is in the finite range horizontal hunting, not only can transmit the thrust of cylinder to bent axle 9 and make its continuous cycle rotate, and can reduce the skew angle of piston rod, the skew angle of piston rod is smaller, the pressure between piston and the cylinder body is smaller, frictional force between piston and the cylinder body is smaller, can reduce the wearing and tearing of piston and cylinder body, the life-span of extension cylinder; the smaller the friction force received by the piston, the greater the thrust force it outputs, and therefore the greater the output torque of the crankshaft 9; the utility model discloses can adopt two-stroke cylinder or four-stroke cylinder, two cylinders of every group opposition engine unit act on same bent axle 9 neck, therefore the piston action of these two cylinders is totally opposite, set up two sets of opposition engine unit in a plurality of engines, and when the cylinder was four-stroke cylinder, bent axle 9 is every rotatory a week, there are two cylinders can do work to bent axle 9, namely bent axle 9 every rotatory half-cycle just has the cylinder to do work to it, two cylinders of doing work exert thrust and pulling force respectively to bent axle 9, two acting forces act on bent axle 9 more balanced, compare traditional opposition engine unit, the utility model discloses the horsepower of engine output is bigger, deduces according to the theory and increases doubly even; because two cylinders correspond to one crankshaft 9 neck of the crankshaft 9, the number of the crankshaft 9 necks of the crankshaft 9 is less, the structure of the crankshaft 9 is simpler, and the weight is reduced correspondingly.

Claims

1. A horizontal engine comprises a crankshaft and more than one group of opposite engine units, wherein the opposite engine units are connected with the crankshaft through a linkage mechanism; the method is characterized in that: the opposed engine comprises a first cylinder, a second cylinder and a first connecting rod, wherein the first end of the first connecting rod is hinged with a first piston of the first cylinder, the second end of the first connecting rod is hinged with a second piston of the second cylinder, a fixed sliding groove is formed between the first cylinder and the second cylinder, the first connecting rod is in sliding fit with the fixed sliding groove, and a rack is arranged on one side, exposed out of the fixed sliding groove, of the first connecting rod; the linkage mechanism comprises a sector gear, a second connecting rod and a third connecting rod, the second connecting rod and the third connecting rod are connected with the sector gear, the sector gear is meshed with the rack, the first end of the second connecting rod is fixedly connected with the sector gear, the second end of the second connecting rod is hinged with the first end of the third connecting rod, the second end of the third connecting rod is hinged with a crankshaft neck of a crankshaft, and the second connecting rod is pivoted on the fixed shaft.

2. A horizontal engine according to claim 1, wherein: the crankshaft and linkage are disposed below the opposed cylinder banks.

3. A horizontal engine according to claim 1, wherein: the rack is arranged on the bottom surface of the first connecting rod, and an opening for exposing the rack is formed in the bottom surface of the fixed sliding chute.

4. A horizontal engine according to claim 1, wherein: when the first piston or the second piston moves to the stop position, the first connecting rod is parallel to the third connecting rod.