CN210919241U - External double-piston internal combustion engine of push-pull piece - Google Patents
External double-piston internal combustion engine of push-pull piece Download PDFInfo
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- CN210919241U CN210919241U CN201922086176.4U CN201922086176U CN210919241U CN 210919241 U CN210919241 U CN 210919241U CN 201922086176 U CN201922086176 U CN 201922086176U CN 210919241 U CN210919241 U CN 210919241U
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Abstract
The utility model discloses an external double-piston internal-combustion engine of push-and-pull piece, include: cylinder, connecting rod, bent axle and push-and-pull piece, push-and-pull piece sets up outside the cylinder, the cylinder includes: the piston comprises a first piston and a second piston, a combustion chamber is formed between the first piston and the second piston, the connecting rod comprises a first connecting rod and at least one second connecting rod, the crankshaft comprises at least two cranks, each crank comprises a connecting rod journal and a crank arm, the crank arms of every two adjacent cranks are arranged in opposite directions, one end of the first connecting rod is movably connected with the first piston, the other end of the first connecting rod is movably connected with the connecting rod journal of one crank, one end of the second connecting rod is movably connected with the push-pull piece, the other end of the second connecting rod is movably connected with the connecting rod journal of the adjacent crank, and the push-pull piece is fixedly connected or positioned and connected with the second piston, so that the working efficiency is greatly improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an internal-combustion engine field especially relates to an external double-piston internal-combustion engine of push-and-pull piece.
[ background of the invention ]
An internal combustion engine is a power machine, and is a heat engine that directly converts heat energy released by burning fuel inside the machine into power. Piston type internal combustion engines are the most common in the past, fuel and air are mixed in the piston type internal combustion engines, the fuel and the air are combusted in cylinders of the piston type internal combustion engines, released heat energy enables the cylinders to generate high-temperature and high-pressure fuel gas, the fuel gas expands to push pistons to do work, and mechanical work is output through crank link mechanisms or other mechanisms to drive driven machinery to work.
Internal combustion engines generally comprise: cylinder, bent axle, connecting rod, set up piston, piston rod and the combustion chamber in the cylinder, the one end and the piston rod swing joint of connecting rod, the other end and the bent axle swing joint of connecting rod, the piston rod makes reciprocating motion back and forth in the cylinder, internal-combustion engine among the prior art, its piston, piston rod, connecting rod quantity are one, its defect lies in: the working efficiency is low; the internal-combustion engine among the prior art its bent axle of bent axle quantity is one, and its defect lies in: during operation, connecting rod journals that are offset from the crankshaft center rotate about the crankshaft center, producing rotational inertial forces, i.e., centrifugal forces, that are directed outward along the crank arms, with the higher the crankshaft speed, the greater the centrifugal forces, and thus when one connecting rod journal produces centrifugal force without another force balancing the centrifugal force, the centrifugal force is transmitted to the cylinders, thereby inducing engine vibration.
[ Utility model ] content
In order to solve the technical problem, an object of the present invention is to provide an external double-piston internal combustion engine with push-pull members, which can greatly improve the working efficiency.
The utility model discloses the technical scheme who adopts does: a push-pull external dual piston internal combustion engine comprising: cylinder, connecting rod, bent axle and push-and-pull piece, push-and-pull piece sets up outside the cylinder, the cylinder includes: the piston comprises a first piston and a second piston, a combustion chamber is formed between the first piston and the second piston, the connecting rod comprises a first connecting rod and at least one second connecting rod, the crankshaft comprises at least two cranks, each crank comprises a connecting rod journal and a crank arm, the crank arms of every two adjacent cranks are arranged in opposite directions, one end of the first connecting rod is movably connected with the first piston, the other end of the first connecting rod is movably connected with the connecting rod journal of one crank, one end of the second connecting rod is movably connected with the push-pull piece, the other end of the second connecting rod is movably connected with the connecting rod journal of the adjacent crank, and the push-pull piece is fixedly connected or fixedly connected with the second piston.
Preferably, the utility model provides an external double-piston internal-combustion engine of push-and-pull piece further sets up to: the outer side of the cylinder is provided with a push-pull piece supporting seat, and the push-pull piece is supported on the push-pull piece supporting seat and can reciprocate back and forth relative to the push-pull piece supporting seat.
Preferably, the utility model provides an external double-piston internal-combustion engine of push-and-pull piece further sets up to: the push-pull piece comprises two push-pull rods and a connecting part used for connecting the push-pull rods and the second piston.
Preferably, the utility model provides an external double-piston internal-combustion engine of push-and-pull piece further sets up to: the number of the second connecting rods is two, one of the second connecting rods is movably connected with one of the push-pull rods, and the other second connecting rod is movably connected with the other push-pull rod.
Preferably, the utility model provides an external double-piston internal-combustion engine of push-and-pull piece further sets up to: the internal combustion engine further comprises a crankshaft mounting frame, and the crankshaft is mounted on the crankshaft mounting frame through a bearing.
Preferably, the utility model provides an external double-piston internal-combustion engine of push-and-pull piece further sets up to: one end of the crankshaft is connected with a flywheel.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up two pistons and two at least connecting rods, the during operation, two pistons simultaneous working drive bent axle to make the work efficiency of internal-combustion engine promote greatly, in addition the utility model provides a two adjacent crank arms of bent axle are the opposite direction setting, at the rotatory in-process of bent axle, the centrifugal force that two adjacent connecting rod journals receive can reach a balance, thereby can avoid the connecting rod journal to receive the centrifugal force influence to produce the conduction to the cylinder and make the engine produce the vibration. In addition, the utility model can greatly reduce the sealing requirement of the cylinder by arranging the push-pull rod outside the cylinder.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of the external double-piston internal combustion engine with middle push-pull member of the present invention.
Fig. 2 is an exploded schematic view of the external double-piston internal combustion engine with middle push-pull member of the present invention.
Fig. 3 is a schematic sectional view of the external double-piston internal combustion engine with middle push-pull member of the present invention.
In the figure: 1. the cylinder, 10, the cylinder block, 11, the piston, 110, the first piston, 111, the second piston, 112, the combustion chamber, 2, the connecting rod, 20, the first connecting rod, 21, 22, the second connecting rod, 3, the crankshaft, 30, the first bell crank, 300, the first connecting rod journal, 301, the first crank arm, 31, the second bell crank, 310, the second connecting rod journal, 311, the second crank arm, 32, the third bell crank, 320, the third connecting rod journal, 321, the third crank arm, 4, the push-pull member, 40, the first push-pull rod, 41, the second push-pull rod, 42, the connecting portion, 5, the push-pull member support base, 6, the flywheel, 7, the first pin, 8, the second pin, 9, the third pin.
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the following embodiments, wherein the push-pull member is external to the dual-piston internal combustion engine.
Referring to fig. 1 to 3, an external push-pull member type dual-piston internal combustion engine includes: the cylinder comprises a cylinder 1, a connecting rod 2, a crankshaft 3 and a push-pull piece 4, wherein a push-pull piece supporting seat 5 is arranged on the outer side of the cylinder 1, and the push-pull piece 4 is supported on the push-pull piece supporting seat 5 and can reciprocate back and forth relative to the push-pull piece supporting seat 5. The cylinder 1 includes: the internal combustion engine comprises a cylinder body 10 and a piston 11, wherein the piston 11 comprises a first piston 110 and a second piston 111, a combustion chamber 112 is formed between the first piston 110 and the second piston 111, the internal combustion engine further comprises a crankshaft mounting frame (not shown), the crankshaft 3 is mounted on the crankshaft mounting frame through a bearing, and one end of the crankshaft 3 is connected with a flywheel 6.
In the present embodiment, the push-pull member 4 includes two push-pull rods (i.e., the first push-pull rod 40 and the second push-pull rod 41) and a connecting portion 42 for connecting the push-pull rods and the second piston 111, and the connecting portion 42 and the second piston 111 are fixedly connected or positioned. In other embodiments, the number of the push-pull rods may be one, and the present invention may also be implemented, wherein the connecting rod 2 includes a first connecting rod 20 and two second connecting rods (21, 22), the number of the second connecting rods corresponds to the number of the push-pull rods, the crankshaft 3 includes three cranks (i.e., a first crank throw 30, a second crank throw 31 and a third crank throw 32), the second crank throw 31 is located between the first crank throw 30 and the third crank throw 32, the first crank throw 30 includes a first connecting rod journal 300 and a first crank arm 301, the second crank throw 31 includes a second connecting rod journal 310 and a second crank arm 311, the third crank throw 32 includes a third connecting rod journal 320 and a third crank arm 321, the first crank arm 301 and the second crank arm 311 are disposed in opposite directions, the second crank arm 311 and the third crank arm 321 are disposed in opposite directions, of course, in other embodiments, two crank throws may be provided, and the present invention may be implemented as well. One end of the first connecting rod 20 is connected with the first piston 110 through a first pin 7, the other end of the first connecting rod 20 is movably connected with a second connecting rod journal 310 of the second crank throw 31, one end of one of the second connecting rods 21 is connected with the first push-pull rod 40 through a second pin 8, the other end of the one of the second connecting rods 21 is movably connected with a first connecting rod journal 300 of the first crank throw 30, one end of the other one of the second connecting rods 21 is connected with the second push-pull rod 41 through a third pin 9, and the other end of the one of the second connecting rods 21 is movably connected with a third connecting rod journal 320 of the third crank throw 32.
The utility model discloses well push rod external double-piston internal-combustion engine's theory of operation does: the fuel is combusted in the combustion chamber 112, the energy released by the combustion is directly converted into power to drive the first piston 110 to move leftwards and the second piston 111 to move rightwards respectively, the first piston 110 is connected with the second connecting rod journal 310 of the second crank throw 31 through the first connecting rod 20, so the crankshaft 3 is driven to rotate, the second piston 111 is connected with the first connecting rod journal 300 of the first crank throw 30 and the third connecting rod journal 320 of the third crank throw 32 through the push-pull piece 4 and the second connecting rods (21 and 22), so the crankshaft 3 is driven to rotate, the return strokes of the first piston 110 and the second piston 111 are driven by the rotation inertia of the crankshaft 3, the two pistons simultaneously work to drive the crankshaft, so the working efficiency of the internal combustion engine is greatly improved, the first crank arm 301 and the second crank arm 311 are arranged in the opposite direction, the second crank arm 311 and the third crank arm 321 are arranged in the opposite direction, the centrifugal force generated during the rotation of the first connecting rod journal 300 is in the opposite direction to the centrifugal force generated during the rotation of the second connecting rod journal 310, the centrifugal force generated during the rotation of the second connecting rod journal 310 is in the opposite direction to the centrifugal force generated during the rotation of the third connecting rod journal 320, it is possible to make the centrifugal force of the first connecting rod journal 300 and the centrifugal force of the second connecting rod journal 310 reach an equilibrium state, make the centrifugal force of the second connecting rod journal 310 and the centrifugal force of the third connecting rod journal 320 reach an equilibrium state, therefore, the vibration of the engine caused by the transmission of the centrifugal force to the cylinder can be avoided, and meanwhile, the moving directions of the first piston 110, the first connecting rod 20, the second piston 111, the second connecting rods 21 and 22 and the connecting part 42 are opposite, and the moving inertias of the two are balanced, so that the vibration of the engine is further reduced.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides an external double-piston internal-combustion engine of push-and-pull piece which characterized in that: the method comprises the following steps: cylinder, connecting rod, bent axle and push-and-pull piece, push-and-pull piece sets up outside the cylinder, the cylinder includes: the piston comprises a first piston and a second piston, a combustion chamber is formed between the first piston and the second piston, the connecting rod comprises a first connecting rod and at least one second connecting rod, the crankshaft comprises at least two cranks, each crank comprises a connecting rod journal and a crank arm, the crank arms of every two adjacent cranks are arranged in opposite directions, one end of the first connecting rod is movably connected with the first piston, the other end of the first connecting rod is movably connected with the connecting rod journal of one crank, one end of the second connecting rod is movably connected with the push-pull piece, the other end of the second connecting rod is movably connected with the connecting rod journal of the adjacent crank, and the push-pull piece is fixedly connected or fixedly connected with the second piston.
2. A push-pull external double piston internal combustion engine as claimed in claim 1 wherein: the outer side of the cylinder is provided with a push-pull piece supporting seat, and the push-pull piece is supported on the push-pull piece supporting seat and can reciprocate back and forth relative to the push-pull piece supporting seat.
3. A push-pull external double piston internal combustion engine as claimed in claim 1 wherein: the push-pull piece comprises two push-pull rods and a connecting part used for connecting the push-pull rods and the second piston.
4. A push-pull external double piston internal combustion engine as claimed in claim 3 wherein: the number of the second connecting rods is two, one of the second connecting rods is movably connected with one of the push-pull rods, and the other second connecting rod is movably connected with the other push-pull rod.
5. A push-pull external double piston internal combustion engine as claimed in claim 1 wherein: the internal combustion engine further comprises a crankshaft mounting frame, and the crankshaft is mounted on the crankshaft mounting frame through a bearing.
6. A push-pull external double piston internal combustion engine as claimed in claim 1 wherein: one end of the crankshaft is connected with a flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086176.4U CN210919241U (en) | 2019-11-28 | 2019-11-28 | External double-piston internal combustion engine of push-pull piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086176.4U CN210919241U (en) | 2019-11-28 | 2019-11-28 | External double-piston internal combustion engine of push-pull piece |
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| CN210919241U true CN210919241U (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821668A (en) * | 2019-11-28 | 2020-02-21 | 张家港川梭车业有限公司 | External double-piston internal combustion engine of push-pull piece |
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- 2019-11-28 CN CN201922086176.4U patent/CN210919241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821668A (en) * | 2019-11-28 | 2020-02-21 | 张家港川梭车业有限公司 | External double-piston internal combustion engine of push-pull piece |
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