CN101813024A - Arched straight-pushing connecting rod structure - Google Patents
Arched straight-pushing connecting rod structure Download PDFInfo
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- CN101813024A CN101813024A CN200910009191A CN200910009191A CN101813024A CN 101813024 A CN101813024 A CN 101813024A CN 200910009191 A CN200910009191 A CN 200910009191A CN 200910009191 A CN200910009191 A CN 200910009191A CN 101813024 A CN101813024 A CN 101813024A
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Abstract
The invention discloses an arched straight-pushing connecting rod structure. The structure comprises two connecting rod supporting bodies arranged below a cylinder, and a connecting rod body which has a triangular structure, wherein the bottom of the triangular structure can be fixed on the two connecting rod supporting bodies to slide; one to more vertexes are arranged at the top end of the connecting rod body and are connected with a piston of an engine; an annular track is arranged on a part near the bottom end of the connecting body; and the top end of a crankshaft is placed into the annular track to slide in the annular track of the connecting rod body. In such a structure, when the piston moves top down, the top end of the crankshaft moves from the middle part to one side of the annular track at the bottom of the connecting rod body; and when the piston moves bottom up, the top end of the crankshaft moves from the middle part to the other side of the annular track at the bottom of the connecting rod body. Therefore, due to the adoption of the structure, the vibration and rocking of the piston caused in the reciprocation of the piston can be effectively reduced and the reciprocating resistance of the piston is further reduced, the service life of the piston is prolonged, and the crankshaft quickly leaves an upper dead centre and maximum power is given at a maximally-stressed angle when the engine is slowly started, so that fuel gas is saved and the aims of saving energy and protecting the environment are further fulfilled.
Description
Technical field
The present invention is relevant for a kind of bar linkage structure, can effectively reduce the piston vibrating that is caused in the piston reciprocating type motion and rock in particular to a kind of, to reduce the reciprocal resistance of piston, increase piston working life, and can leave upper dead center fast and give maximum power in the most stressed angle by seasonal bent axle in engine in slow start, and the energy fuel saving reaches the arched straight-pushing connecting rod structure of the purpose of province's energy environmental protection.
Background technique
Along with the arriving of industrial age, known manpower and animal transport be by steam, diesel oil, and gasoline, transport facilitys such as electric power replace.Automobile has wherein almost become the means of transportation of each family's indispensability.
Engine is the source of vehicle power, promotes piston by igniting oil gas generation pressure, promotes tyre revolution by connecting rod and bent axle again.For engine is " air inlet ", " compression ", " outburst ", " exhaust " reciprocal action.
See also Fig. 1, Fig. 1 will leave the structural representation of upper dead center for known connecting rod and bent axle, piston B in this moment cylinder A, with position convergence one straight line (being commonly referred to as upper dead center this moment) of connecting rod 20 and bent axle 30, be that power can't transmit at this moment, and be the most stressed state of connecting rod 20.Therefore conventional construction is for the running of coupler link 20, must be with piston column 21 (connecting rod and piston joint, be the connecting rod summit) be designed to off-centre (non-in the central point of piston B), under such situation, can make piston B except pumping, also can attend by the situation that rolls, especially (cold car) such situation is more obvious when just engine has just started, and is and can influence power and export except producing noise.Though in order to alleviate above-mentioned condition the design of piston skirt C is arranged in the design of piston B bottom generally, the design of piston skirt C also makes frictional force increase and then reduce the output of power simultaneously.For the ease of later explanation, Fig. 1 has also indicated relevant important part position, and as 31 being crankshaft center, 32 is the bent axle summit, and 33 is counter weight.
See also Fig. 2, Figure 2 shows that known bent axle accepts the best angle structural representation of connecting rod power.Known connecting rod 20 conducts to the angle of bent axle 30 the bests greatly about 60-120 degree (angle of connecting rod summit 21, crankshaft center point 31, bent axle summit 32 threes institute form) at the power with cylinder A inner carrier B, though this angle is the most stressed, but also be that this also is the source that the engine vibrations are rocked in the centrifugal force maximum simultaneously.Therefore known bent axle 30 designs as centrifugal force balance usefulness with thick and heavy counter weight 33, but also can bring burden and resistance by engine simultaneously.
Engine sees through the power that to-and-fro motion produced that connecting rod 20 rotates piston B and is conveyed to bent axle 30.The power that connecting rod 20 need bear the centrifugal force of rotation and accept the piston B outburst in the cylinder A is so that push bent axle 30 and then make its rotation, that is piston B is the up-and-down reciprocating motion, and bent axle 30 is for rotatablely moving, by connecting rod 20 with the two binding.Number of cylinders the more, relative connecting rod also the more, for example existing four-cylinder is that four connecting rods, six cylinders are that six connecting rods and eight cylinders are eight connecting rods etc.No matter yet the number of number of cylinders, the weight of connecting rod all needs identical, and for the anti-high pressure of energy, anti-pull, anti-high the commentaries on classics and high temperature resistance, connecting rod 20 itself must possess certain intensity.
Because known system rotatablely moving by connecting rod, and existing connecting rod considering because of cost and time, the general forging type that uses is made, several connecting rods are having the difference that has a little on a little flaw and the weight on the material, thereby cause rock and power conduction bad, meeting seriously may be that connecting rod is disconnected and then cause situation such as detonation to take place.
Serious day by day along with greenhouse effect, and vehicle is human indispensable instruments, how to promote engine power output usefulness, makes its purpose that can reach energy-saving and carbon-saving, is to be subjected to very much the problem that people pay attention at present.
Summary of the invention
Main purpose of the present invention is, a kind of arched straight-pushing connecting rod structure is provided, it can effectively reduce the piston vibrating that is caused in the piston reciprocating type motion and rock, to reduce the reciprocal resistance of piston, increase piston working life, and can leave upper dead center fast and give maximum power in the most stressed angle by seasonal bent axle in engine in slow start, and the energy fuel saving reaches the purpose of province's energy environmental protection.
The present invention is a kind of arched straight-pushing connecting rod structure, and it comprises two link supports bodies, and it is arranged at the cylinder below; An and link body, it is a triangular structure, triangular base can be fixed on the two link supports bodies slides, the link body top has a piston to several summits and engine and is connected, the nearly bottom of link body is provided with the arcuation track and inserts for the bent axle top, is slided in the arcuation track of link body in the bent axle top; Structure so, when piston moved from top to bottom, the bent axle top was by moving to a side in the middle of the arcuation track of link body bottom, and when piston moved from lower to upper, the bent axle top was by moving to opposite side in the middle of the arcuation track of link body bottom.
Circular arc type arched straight-pushing connecting rod structure of the present invention does not rotate, and the centrifugal force that is thrown away in the time of can reducing the running of known connecting rod shakes and rocks and can reduce.Running and link supports wall by circular arc type.Can make bent axle in the most stressed angle, with power with inwardly and downward direction push, make bent axle in the most stressed angle, accept maximum power, and produce minimum vibrations and rock.
The difference of arched straight-pushing connecting rod structure of the present invention and known bar linkage structure exists:
1. conventional construction expends too many power in engine slow-speed of revolution starting, makes vapour, the diesel oil of incomplete combustion produce carbon monoxide and hydrocarbon and causes and influence atmospheric pollution (a large amount of black smokes that produced when common bus or start are exactly to come therefrom); And the arched straight-pushing connecting rod structure that arched straight-pushing connecting rod structure of the present invention adopts makes engine that high torsion and high-power just be arranged when the slow-speed of revolution on the complete bent axle that is conveyed to of power, not seriously oil consumption and contaminated air.
2. plunger designs is up-small and down-big unbalanced round column structure, and this is hotter because of the piston top, and this allows piston reciprocatingly design for being avoided thermal expansion.Conventional construction is for the running of coupler link, must be with piston column (connecting rod and piston joint, be the connecting rod summit) be designed to off-centre (non-be the central point of piston), under such situation, make piston except pumping, also can attend by the situation that rolls, especially (cold car) such situation is more obvious when just engine has just started, and is and can influence power and export except producing noise.Adding in order to alleviate above-mentioned condition generally all has the design of piston skirt, the design of piston skirt also to make frictional force increase and then reduce the output of power simultaneously in piston base; And the arched straight-pushing connecting rod structure that arched straight-pushing connecting rod structure of the present invention adopted is owing to be that power directly conducts, piston can not roll, the power output efficiency height, and because the design of piston skirt must not arranged, so can effectively reduce the friction between piston and cylinder wall.
3. conventional construction has the power of upper dead center and lower dead centre to pass on the dead angle, and at arched straight-pushing connecting rod structure that arched straight-pushing connecting rod structure of the present invention adopted, can be supreme at engine running, during lower dead centre, bent axle was with fast, make the kinetic force complete transmission to bent axle.
In order to allow the auditor can be easier to understand the characteristics of arched straight-pushing connecting rod structure of the present invention, see also the mode of execution explanation of following graphic and arched straight-pushing connecting rod structure of the present invention.
Description of drawings
Fig. 1 will leave the structural representation of upper dead center for known connecting rod and bent axle;
Fig. 2 accepts the best angle structural representation of connecting rod power for known bent axle;
Fig. 3 is the first example structure figure of a kind of arched straight-pushing connecting rod structure of the present invention;
Fig. 4 is the second example structure figure of a kind of arched straight-pushing connecting rod structure of the present invention;
Fig. 5 is the 3rd example structure figure of a kind of arched straight-pushing connecting rod structure of the present invention;
Fig. 6 (A)-(F) is the link supports wall construction figure of a kind of arched straight-pushing connecting rod structure of the present invention.
Embodiment
See also Fig. 3, Fig. 3 is first embodiment of arched straight-pushing connecting rod structure of the present invention, and its structure comprises:
Two link supports bodies 51,52, it is arranged at cylinder A below;
One link body 40, it is a triangular structure, triangular base can be fixed on the two link supports bodies 51,52 slides, link body 40 tops have one and are connected with piston B in the cylinder A to several summits 41, link body 40 nearly bottoms are provided with arcuation track 42 and insert for bent axle 30 tops 32, are slided in the arcuation track 42 of link body 40 in bent axle 30 tops 32;
Structure so, when piston B moves from top to bottom, bent axle 30 tops 32 are by moving to a side in the middle of the link body 40 bottom arcuation tracks 42, and when piston B moves from lower to upper, bent axle 30 tops 32 are by moving to opposite side in the middle of the link body 40 bottom arcuation tracks 42, by this structural design, can effectively reduce the piston B vibrations that caused in the piston B reciprocatory motion and rock, to reduce the reciprocal resistance of piston B, increase piston B working life, and can leave upper dead center fast and give maximum power in the most stressed angle by seasonal bent axle 30 in engine in slow start, and the energy fuel saving reaches the purpose of province's energy environmental protection.
The arc orbit 42 of the link body of arched straight-pushing connecting rod structure of the present invention can be to be bent upwards or to be bent downwardly.Last bent arc track 42 bestow bent axle 30 power direction L (be about to power with outwards and downward direction push, also be the direction of bent axle 30 rotations), this is that known bar linkage structure does not possess, can make the summit 32 of bent axle 30 leave upper dead center fast, and can when the slow-speed of revolution, have bigger torsion and horsepower.In addition, see also Fig. 4, Fig. 4 is second embodiment of arched straight-pushing connecting rod structure of the present invention, and itself and first embodiment's difference only is that the bending direction of bent arc track 42 changes to down bent arc track 62.Following bent arc track 62 can bestow bent axle 30 power direction M (be about to power with inwardly and downward direction push, also be the direction of bent axle 30 rotations), this is that known bar linkage structure does not possess, add bent axle 30 be positioned at 90 the degree the position time, piston B is not yet by piston stroke central point F (having bigger power this moment), so can under the angle of the best (power of cylinder A inner carrier B conducts to the angle of bent axle 30 the bests greatly about 60 1 120 degree), have than high-power (please comparison diagram 2 known bar linkage structures, when bent axle is positioned at the position of 90 degree, this moment, piston B passed through piston stroke central point F, and power is less).
The link body 40 of arched straight-pushing connecting rod structure of the present invention and 60 can be cone structure or column structure or other structures, and link body 40 and 60 can with weight reduction, and can be strengthened its structure by this in the appropriate location hollow out.
What deserves to be mentioned is, aforementioned upward bent arc track 42 can be become one with following bent arc track 62 integration and be used for the arched straight-pushing connecting rod structure of level the twin-tub that crouches, and the level that can be applied to is to crouching twin-tub, more known double link structure, more can accept power fully, help itself compression or exhaust the cylinder recoil.Certainly said structure also go for the multi-cylinder number to the engine that crouches.Please refer to Fig. 5, Fig. 5 is the 3rd embodiment of arched straight-pushing connecting rod structure of the present invention, and it comprises:
Two link supports bodies 51,52, it is arranged in the middle of two cylinder A, the A1;
One link body 70, it is the ditrigon structure, can be fixed on the two link supports bodies 51,52 and slide, link body 70 2 tops respectively have piston B, a B1 to several summits 71,72 and two cylinder A, A1 and are connected, link body 70 nearly neutral position are provided with arcuation track 73 and insert for bent axle 30 tops, are slided in the arcuation track 73 of link body 70 in bent axle 30 tops;
Structure so, in piston B, B1 is when moving from left to right, bent axle 30 tops 32 are by moving to a side in the middle of the arcuation track in the middle of the link body 70 73, and in piston B, B1 is by right during toward left movement, bent axle 30 tops are by moving to opposite side in the middle of the link body 70 bottom arcuation tracks 73, by this structural design, can effectively reduce the piston B vibrations that caused in the piston reciprocating type motion and rock, to reduce the reciprocal resistance of piston B, increase piston B working life, seasonal bent axle leaves upper dead center fast and gives maximum power in the most stressed angle in engine in slow start in decapacitation, and the energy fuel saving reaches the purpose of province's energy environmental protection, and can more complete being communicated to cylinder A1 with the outburst power of a cylinder A, make its effectively compression or exhaust.
The arc orbit of link body 73 can be crooked left or crooked to the right, and link body 70 can be bipyramid shape structure or column structure or other structures.
The mode that the link body 40,60,70 of arched straight-pushing connecting rod structure of the present invention and bent axle 30 link can be ripple department (Connecting Rod Bearing).But link supports body 51,52 stationary links main bodys 40,60,70 bottom sides slide up and down it, its fixing mode can be track structure, as Fig. 6 (A)-(E) or latch closure structure, as Fig. 6 (F), or other common structures such as roller structure, bearing structure (figure draws no longer separately), wherein, for the ease of understanding, represent that with I link body, H represent the link supports wall.And the various structures of setting upright about such as can tool can making link body 40,60,70 reach vertically.Link supports body several 51,52 can for a plurality of, and can be wall or post or other pattern.
Two link supports bodies 51,52 of arched straight-pushing connecting rod structure of the present invention can also can change it into one or more for integrating.
The curvature of the arc orbit 42,62,72 of the link body 40,60,70 of arched straight-pushing connecting rod structure of the present invention can design according to tool required torsion and horsepower size.
The link body 40 of arched straight-pushing connecting rod structure of the present invention, 60,70 with piston B, B1 can be one-body molded, itself and link body 40,60,70 with piston B, the mode of connection of B1 can be reached by bolt-lock, also can be engage thread links, that is link body 40,60,70 can be designed to outside thread, and with piston and link body 40,60,70 are connected locates to be set to internal thread in order to be connected, or link body 40,60,70 can be designed to internal thread, and piston and the link body place that is connected is set to outside thread in order to be connected, so that piston B, during the B1 maintenance, need not unload whole engine.
What specify is that the piston of arched straight-pushing connecting rod structure of the present invention and bent axle can use existing, not necessarily want otherwise designed.In addition, piston used in the present invention can be removed the design of piston skirt.The piston B of above-mentioned Fig. 1 to 4 is all the state of power outburst, and the direct of travel of bent axle 30 is for clockwise.What deserves to be mentioned is, the link supports body 51,52 of Fig. 3 (first embodiment) and Fig. 4 (second embodiment) might not design for straight line type, it is slightly crooked to change the direct of travel (shown in the graphic thick arrow) that is designed to according to bent axle 30, so the power of piston B outburst can be taken advantage of a situation by slightly crooked link supports body 51,52 power is pushed to the direction of bent axle 30 rotations.
The above only is to describe the present invention in detail by preferred embodiment, however for any modification and variation that this embodiment did, the material of link body for example, the variation of structure that the link supports wall is implemented or the like does not all break away from spirit of the present invention and scope.
Claims (22)
1. arched straight-pushing connecting rod structure, it comprises:
Two link supports bodies, it is arranged at the cylinder below; And
One link body, it is a triangular structure, triangular base is fixed on the two link supports bodies slides, the link body top has a piston to several summits and engine and is connected, the nearly bottom of link body is provided with the arcuation track and inserts for the bent axle top, is slided in the arcuation track of link body in the bent axle top;
Structure so, when piston moves from top to bottom, the bent axle top is by moving to a side in the middle of the arcuation track of link body bottom, and when piston moves from lower to upper, the bent axle top is by moving to opposite side in the middle of the arcuation track of link body bottom, by this structural design, can effectively reduce the piston vibrating that is caused in the piston reciprocating type motion and rock, to reduce the reciprocal resistance of piston, increase piston working life, and can leave upper dead center fast and give maximum power in the most stressed angle by seasonal bent axle in engine in slow start, and the energy fuel saving reaches the purpose of province's energy environmental protection.
2. arched straight-pushing connecting rod structure as claimed in claim 1, wherein, the mode that is fixed on the two link supports bodies can be track structure, latch closure structure, roller structure or bearing structure.
3. arched straight-pushing connecting rod structure as claimed in claim 1 or 2, wherein, two link supports bodies are for integrating.
4. arched straight-pushing connecting rod structure as claimed in claim 1 or 2, wherein, two link supports bodies can change one or more into, and can be designed as according to the direct of travel of bent axle slightly crooked.
5. arched straight-pushing connecting rod structure as claimed in claim 1, wherein, the curvature of the arc orbit of link body can design according to tool required torsion and horsepower size.
6. as a claim 1 or a described arched straight-pushing connecting rod structure, wherein, the arc orbit of link body can be to be bent upwards or to be bent downwardly.
7. arched straight-pushing connecting rod structure as claimed in claim 1, wherein, link body and piston are with one-body molded.
8. as claim 1 or 7 described arched straight-pushing connecting rod structures, wherein, the mode of connection of link body and piston is reached with bolt-lock.
9. as claim 1 or 7 described arched straight-pushing connecting rod structures, wherein, link body and piston are that engage thread links.
10. arched straight-pushing connecting rod structure as claimed in claim 1, wherein, link body is cone structure or column structure.
11. as claim 1 or 1 described arched straight-pushing connecting rod structure, wherein, link body with weight reduction, and can be strengthened its structure in the appropriate location hollow out by this.
12. an arched straight-pushing connecting rod structure that is used for level to the twin-tub that crouches, it comprises:
Two link supports bodies, it is arranged in the middle of two cylinders; And
One link body, it is the ditrigon structure, can be fixed on the two link supports bodies and slide, link body two tops respectively have a piston to several summits and two cylinders and are connected, the nearly neutral position of link body is provided with the arcuation track and inserts for the bent axle top, is slided in the arcuation track of link body in the bent axle top;
Structure so, in piston when moving from left to right, the bent axle top is by moving to a side in the middle of the arcuation track in the middle of the link body, and in piston by right during toward left movement, the bent axle top is by moving to opposite side in the middle of the arcuation track of link body bottom, by this structural design, can effectively reduce the piston vibrating that is caused in the piston reciprocating type motion and rock, to reduce the reciprocal resistance of piston, increase piston working life, seasonal bent axle leaves upper dead center fast and gives maximum power in the most stressed angle in engine in slow start in decapacitation, and the energy fuel saving reaches the purpose of province's energy environmental protection, and can more complete being communicated to cylinder with the outburst power of a cylinder, make its effectively compression or exhaust.
13. the arched straight-pushing connecting rod structure that is used for level to the twin-tub that crouches as claimed in claim 12, wherein, the mode that is fixed on the two link supports bodies is track structure, latch closure structure, roller structure or bearing structure.
14. as claim 12 or the 13 described arched straight-pushing connecting rod structures that are used for level to the twin-tub that crouches, wherein, two link supports bodies can be for integrating.
15. as claim 12 or the 13 described arched straight-pushing connecting rod structures that are used for level to the twin-tub that crouches, wherein, two link supports bodies can change one or more into.
16. the arched straight-pushing connecting rod structure that is used for level to the twin-tub that crouches as claimed in claim 12, wherein, the curvature of the arc orbit of link body can design according to tool required torsion and horsepower size.
17. as claim 12 or the 16 described arched straight-pushing connecting rod structures that are used for level to the twin-tub that crouches, wherein, the arc orbit of link body can be crooked left or crooked to the right.
18. the arched straight-pushing connecting rod structure that is used for level to the twin-tub that crouches as claimed in claim 12, wherein, link body and piston are with one-body molded.
19. as claim 12 or the 18 described arched straight-pushing connecting rod structures that are used for level to the twin-tub that crouches, wherein, the mode of connection of link body and piston is reached with bolt-lock.
20. as claim 12 or the 18 described arched straight-pushing connecting rod structures that are used for level to the twin-tub that crouches, wherein, link body and piston are that engage thread links.
21. the arched straight-pushing connecting rod structure that is used for level to the twin-tub that crouches as claimed in claim 12, wherein, link body is bipyramid shape structure or column structure.
22. as claim 12 or 21 described arched straight-pushing connecting rod structures, wherein, link body with weight reduction, and can be strengthened its structure in the appropriate location hollow out by this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910009191A CN101813024A (en) | 2009-02-23 | 2009-02-23 | Arched straight-pushing connecting rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910009191A CN101813024A (en) | 2009-02-23 | 2009-02-23 | Arched straight-pushing connecting rod structure |
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| CN101813024A true CN101813024A (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910009191A Pending CN101813024A (en) | 2009-02-23 | 2009-02-23 | Arched straight-pushing connecting rod structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383931A (en) * | 2011-06-28 | 2012-03-21 | 余秀生 | High-efficiency and energy-saving engine with sliding oblique frame |
| CN102434570A (en) * | 2010-09-29 | 2012-05-02 | 环保汽车国际公司 | Frictionless rocking joint |
-
2009
- 2009-02-23 CN CN200910009191A patent/CN101813024A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434570A (en) * | 2010-09-29 | 2012-05-02 | 环保汽车国际公司 | Frictionless rocking joint |
| CN102434570B (en) * | 2010-09-29 | 2016-03-02 | 艾克莫特公司 | Frictionless rocking joint and piston crankshaft group |
| CN102383931A (en) * | 2011-06-28 | 2012-03-21 | 余秀生 | High-efficiency and energy-saving engine with sliding oblique frame |
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Application publication date: 20100825 |