CN1755079A - Highly-efficient energy-saving reciprocating piston engine - Google Patents
Highly-efficient energy-saving reciprocating piston engine Download PDFInfo
- Publication number
- CN1755079A CN1755079A CN 200410060904 CN200410060904A CN1755079A CN 1755079 A CN1755079 A CN 1755079A CN 200410060904 CN200410060904 CN 200410060904 CN 200410060904 A CN200410060904 A CN 200410060904A CN 1755079 A CN1755079 A CN 1755079A
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- connecting rod
- center
- piston
- crank
- bent axle
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Abstract
The invention relates to a new high efficient energy conservation reciprocal motor, which is composed of crank connecting rod system (24) with cylinder (1), piston (2), connecting rod (3)and bent axle (5), wherein the connecting rod (3) amplitude of oscillation is small; and the length of travel about piston (2) is twice length less than crank (4); fixing the connecting rod large-end center of circle (21) on the line (9) between connecting rod axial center (8) and bent axle (5) axial center (7); adapting axial center (8) of connecting rob large-end (19) to move revolution around bent axle (5) axial center (7) and the connecting rod large-end center of circle (21) to turn around rotating center simultaneously in the crank connecting rod system (24) operation course; realizing small amplitude of oscillation and twice length less than piston (2) travel by the steering variation of missing distance (31) between connecting rod axial center (8) and connecting rod large-end center of circle (21). The motor is fit for reciprocal piston two-cycle and four-cycle engine and pump of gasoline, diesel motor and so on.
Description
Technical field:
The present invention relates to a kind of pitman shaft and be the conventional engine of the connecting rod formula of turnover motion in connecting rod tip, the little and piston stroke of particularly a kind of connecting rod amplitude of oscillation is less than the motor of the twice of crank length.
Background technique:
At present, conventional engine adopts connecting rod more, in this mechanism, has only a cylindrical pitman shaft of accepting and transmit connecting rod and crank interphase interaction power on the crank, what join with this pitman shaft is the big end of connecting rod, the other end of connecting rod then is connected with piston by wrist pin, connecting rod is in running or when static, the connecting rod axle center all keeps concentric with the connecting rod tip center of circle, be rigidity because of the connecting rod that joins with pitman shaft again, make that also piston and pitman shaft distance in the heart is constant all the time, so cause the big and piston stroke of the connecting rod amplitude of oscillation of the conventional engine that adopts this kind connecting rod to equal the situation of the twice of crank length.Because this motion of mechanism characteristic, make when needs provide the bent axle that has than big crank length that the moment of torsion of motor output is increased, must correspondingly increase the stroke of piston, thereby the volume that also can increase cylinder makes fuel consume more.Otherwise, shortening piston stroke when volume of cylinder is diminished for reducing fuel consumption, length that also must corresponding shortening crank, thus the torque force of motor output is diminished.
Summary of the invention:
The object of the present invention is to provide that a kind of simple in structure, technology maturation, the connecting rod left and right sides amplitude of oscillation are little, piston stroke is less than the twice of crank length, pitman shaft is not unique conventional engine of accepting and transmitting connecting rod and crank interphase interaction power on the crank.This kind novel engine can increase the length of crank under the situation that does not increase piston stroke, or shortens the stroke of piston under the situation that does not reduce crank length.Thereby motor is accomplished under the situation that does not increase the fuel water consumption and increased the torque force of output, or under the situation that does not reduce output torque power, reduce the consumption of fuel.
For achieving the above object, bent axle is formed between two cranks except that a pitman shaft that connects two cranks is arranged, on the bi-side in opposite directions, two crank extensions at rod journal two ends, also respectively be provided with minor axis or the projection that also is used to accept and transmit strength between connecting rod and crank in opposite directions projectedly.By with being enclosed within the outer inclined to one side pore-throat cover of rod journal and being arranged in the minor axis or the projection on connecting rod tip eaves limit, the connecting rod tip that is sleeved on outside the inclined to one side pore-throat cover is positioned again, make the center of circle of connecting rod tip be fixed on the straight line between connecting rod axle center and the bent axle axle center.Utilize in the connecting rod operation process of this kind structure, pitman shaft in connecting rod tip is both with being positioned at the minor axis outside the connecting rod tip and the connecting rod tip center of circle in the revolution of bent axle axle center, be that gyration center is done in connecting rod tip in the turnover motion with the connecting rod tip center of circle again, the variation that offset distance turns between the connecting rod axle center and the connecting rod tip center of circle, the amplitude of oscillation little and piston stroke in the real connecting rod left and right sides is less than the twice of crank length.
Description of drawings:
Fig. 1, Fig. 2, Fig. 3 are the three-view diagram of the bent axle among the present invention;
Fig. 4, Fig. 5 are two views of the inclined to one side pore-throat cover among the present invention;
Fig. 6, Fig. 7 are two views of the connecting rod among the present invention;
Fig. 8 looks schematic representation for the master of structure of the present invention;
Fig. 9 is the schematic side view of structure of the present invention;
Figure 10 goes up the some crank and forwards 0 ° of schematic representation of circumference to for piston stroking upward of the present invention is supreme;
Figure 11 forwards 90 ° of schematic representation of circumference to for descent of piston of the present invention to cylinder middle part crank;
Figure 12 forwards 180 ° of schematic representation of circumference to for descent of piston of the present invention to lower dead center crank;
Figure 13 forwards 270 ° of schematic representation of circumference to for piston stroking upward of the present invention to cylinder middle part crank;
Figure 14, Figure 15 overlap two views of another enforcement for inclined to one side pore-throat of the present invention;
Figure 16, Figure 17 are two views of another enforcement of bent axle of the present invention.
Embodiment:
For realizing the present invention, at first the bent axle (5) in crank (4) connecting rod (3) mechanism (24) is made, between two cranks (4), connect the pitman shaft (6) of two cranks (4) except that being provided with one, with the straight line (9) that runs through bent axle (5) axle center (7) and connecting rod axle center (8) is crank (4) center line (9), on the bi-side (12) in opposite directions, two cranks (4) extensions (11) at rod journal (10) two ends, be mutually symmetrical again, cross section in opposite directions, it is promptly vertical with crank (4) center line (9) that axis (13) conllinear and pitman shaft (6) are respectively established two sections line of centers (14) abreast, again the minor axis of being divided equally by crank (4) center line (9) (15).This four sections minor axises (15) diameter is identical, the equal in length that each protrudes since side, crank (4) extension (11) (12).
Secondly, highly be slightly less than on the cross section of cylindrical body (16) of rod journal (10) length one, axially offer one in eccentric part and be the little cylindrical rod journal hole (18) of diameter of incircle (18) greater than rod journal (10) diameter with cylindrical body (16) cylindrical (17), and this cylindrical tube (16) is enclosed within outside the rod journal (10) rotationally, make cylindrical tube become one and be enclosed within the outer inclined to one side pore-throat cover (16) of rod journal (10).Again a connecting rod (3) is made, cylinder (19) both sides in its connecting rod tip (19), respectively there are width and crank (4) to go up the eaves limit (20) of set minor axis (15) equal in length, and with this connecting rod tip (19) the two eaves limits (20) of its cylinder (19) by minor axis (15) being close to outside under, connecting rod tip (19) center of circle (21) also is enclosed within outside the inclined to one side pore-throat cover (16) rotationally with pore-throat cover (16) center of circle (22) is concentric partially, utilize inclined to one side pore-throat cover (16) jointly connecting rod tip (19) to be positioned outside thereby form pitman shaft (6) at interior minor axis (15), the center of circle (21) that makes connecting rod tip (19) by fixation on the straight line (9) between connecting rod axle center (8) and bent axle (4) axle center (7).
For realize the present invention, the piston (2) that an end of connecting rod (3) then slides movably by wrist pin (23) in cylinder (1).
For crank (4) connecting rod (3) mechanism (24) that makes above-mentioned motor turns round better, should be furnished with bearing (25) and between connecting rod tip (19) and inclined to one side pore-throat cover (16), be furnished with roller or needle roller at the minor axis (15) on the crank (4).
When the rod journal hole (18) on the inclined to one side pore-throat cover (16) among the present invention and cylindrical (17) be incircle structure shape, the relation between crank (4) length, inclined to one side pore-throat cover (16) cylindrical (17) diameter, rod journal (10) diameter and piston (2) stroke was with such calculating formula D
1+ D
3-D
2=S can explain out flat-out.
In the formula: D
1Twice for crank (4) length;
D
2Be inclined to one side pore-throat cover (16) cylindrical (17) diameter;
D
3Be inclined to one side pore-throat cover (16) incircle (18) diameter;
S is the stroke of piston (2).
Example 1, work as D
1=90mm, D
3=55mm, S=D
1, ask D at/2 o'clock
2
By calculating formula be: 90+55-D
2=90/2
D
2＝90+55-90/2
D
2＝100mm
Example 2, work as D
1=90mm, D
2=80mm, D
3=55mm asks S
Overlap by calculating formula: S=90+50-80=65mm
Example 3, work as D
1=90mm, D
2=80mm, D
3=50mm asks S
Overlap by calculating formula: S=90+50-80=60mm
Example 4, work as S=70mm, D
2=90mm, D
3=60mm asks D
1
Then get by calculating formula: D
1+ 60-90=70
D
1＝70+90-60
D
1＝100mm
By example 1, example 2, example 3, can understand D of the present invention
2Compare D
3Big more, S is then more little, as D
2More little, then S is big more, as D
3More little, then S is more little.In addition, from calculate, as can be known, realize the present invention, must D
2＞D
3And D
2＜D
1+ D
3, because work as D
2=D
3S=D then
1, and work as D
2=D
1+ D
3S=0 then.Inclined to one side pore-throat cover (16) among the present invention and bent axle (5) can also be implemented respectively like this:
The rod journal circular hole (26) on the inclined to one side pore-throat cover (16) and the circle that includes of inclined to one side pore-throat cover (16) cylindrical (17) decentraction.
On the bi-side (12) in opposite directions, two cranks (4) extensions (11) at rod journal (10) two ends, be mutually symmetrical, respectively be provided with a circular arc side (28) projection (29) parallel in opposite directions projectedly with pitman shaft (6).
When the interior circle (26) on the inclined to one side pore-throat cover (16) and cylindrical (17) during, plan D with such one for the round structure shape of including of decentraction
1+ D
3+ 2K-D
2=S can frankly explain out the twice D of crank (4) length
1, pore-throat cover (16) cylindrical (17) diameter D partially
2, circle (26) diameter D in the pore-throat cover (16) partially
3, the relation of minimum separable K (27) and piston (2) stroke S between circle (26) and cylindrical (17) in partially pore-throat cover (16) is gone up.
The profile that the crank (4) of bent axle among the present invention (5) is gone up set minor axis (15) or projection (29) can conveniently be made as by camber line, straight line, curve as required and constitute, or the different shape that is constituted by camber line and straight line and curve.
By the enforcement of the above scheme, can realize the present invention.
Main situation is as follows during the present invention's campaign:
When piston (2) during at top dead center, crank (4) center line (9) forwards 0 ° of circumference to, and the spacing between pitman shaft (6) heart (8) this moment and piston (2) be nearest (Figure 10).
When piston (2) when moving down by top dead center, crank (4) center line (9) departs from cylinder (1) center line (30), pitman shaft (6) heart (8) and connecting rod tip (19) center of circle (21) are in the revolution of bent axle (5) axle center (7), pitman shaft (6) heart (8) is that gyration center has enough to meet the need motion in connecting rod tip (19) with the connecting rod tip center of circle (21) again, offset distance (31) between pitman shaft (6) heart (8) and the connecting rod tip center of circle (21) also begins to turn to, pitman shaft (6) heart (8) is widened and piston (2) between spacing (Figure 11).
When piston (2) when travelling to lower dead center by top dead center, the offset distance (31) of pitman shaft (6) heart (8) between the connecting rod tip center of circle (21) and crank (4) center line (9) forward to 180 ° of circumference and with cylinder (1) center line (30) conllinear, the spacing between this moment pitman shaft (6) heart (8) and piston (2) has been pulled to maximum (Figure 12).
When piston (2) by lower dead center when top dead center moves, the spacing between pitman shaft (6) heart (8) and piston (2) also turns to circumference to dwindle (Figure 13) for 270 ° with crank (4) center line (9) by 180 ° of circumference because of the offset distance (31) between pitman shaft (6) and connecting rod tip gradually.
Claims (7)
1, little and piston (2) stroke of a kind of connecting rod (3) amplitude of oscillation is less than the new energy-efficient conventional engine of the twice of crank (4) length, mainly the connecting rod of being made up of cylinder (1), piston (2), connecting rod (3) and bent axle (5) (24) constitutes, and it is characterized in that: connecting rod axle center (8), the connecting rod tip center of circle (21) and bent axle (5) axle center (7) be successively fixed arrangement on crank (4) central line (9) on the bent axle (5); In the operation process, pitman shaft (6) heart (8) both with connecting rod tip (19) center of circle (21) in bent axle (5) axle center (7) revolution, connecting rod tip (19) in, be that gyration center is done to have enough to meet the need and moved again with the connecting rod tip center of circle (21); Distance between connecting rod axle center (8) and piston (2) is dwindled circularly and is enlarged.
2, by the described new energy-efficient conventional engine of claim 1, it is characterized in that: go up on the bi-side (12) in opposite directions, two cranks (4) extensions (11) at pitman shaft (6) neck (10) two ends at bent axle (5), be provided with the minor axis (15) parallel projectedly or have a circular arc side (28) projection (29) parallel at least with pitman shaft (6) neck (10) with pitman shaft (6) neck (10).
3, by the described new energy-efficient conventional engine of claim 1, it is characterized in that: be with circle and cylindrical (17) in one pitman shaft (6) neck (10) on bent axle (5) outside for incircle (18) or be the inclined to one side pore-throat cover (16) of the cylindrical tube that includes circle (26) layout of decentraction.
4, by the described new energy-efficient conventional engine of claim 1, it is characterized in that: there is outward extending eaves limit (20) one or both ends of the big end cylinder (19) of connecting rod (3).
5, by the described new energy-efficient conventional engine of claim 1, it is characterized in that: the crank (4) of bent axle (5) goes up set minor axis (15) or projection (29) directly or by bearing contacts with the eaves limit (20) of connecting rod tip (19) indirectly with bearing shell, and accepts and transmit the interaction force between connecting rod (3) and crank (4).
6, by the described new energy-efficient conventional engine of claim 1, it is characterized in that: piston (2) is when top dead center, spacing between piston (2) and pitman shaft (6) is minimum, and piston (2) is when lower dead center, and the spacing between piston (2) and pitman shaft (6) is maximum.
7, by the described new energy-efficient conventional engine of claim 1, it is characterized in that: minor axis (15) on the crank (4) of bent axle (5) or projection (29) profile are that camber line, straight line, curve constitute, or are constituted by camber line and straight line and curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410060904 CN1755079A (en) | 2004-09-27 | 2004-09-27 | Highly-efficient energy-saving reciprocating piston engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410060904 CN1755079A (en) | 2004-09-27 | 2004-09-27 | Highly-efficient energy-saving reciprocating piston engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1755079A true CN1755079A (en) | 2006-04-05 |
Family
ID=36688585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410060904 Pending CN1755079A (en) | 2004-09-27 | 2004-09-27 | Highly-efficient energy-saving reciprocating piston engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1755079A (en) |
-
2004
- 2004-09-27 CN CN 200410060904 patent/CN1755079A/en active Pending
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |