CN104989481A - Shifting fork type rotation propelling system - Google Patents
Shifting fork type rotation propelling system Download PDFInfo
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- CN104989481A CN104989481A CN201510325850.3A CN201510325850A CN104989481A CN 104989481 A CN104989481 A CN 104989481A CN 201510325850 A CN201510325850 A CN 201510325850A CN 104989481 A CN104989481 A CN 104989481A
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- control chamber
- intake valve
- exhaust pipe
- stage casing
- air inlet
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Abstract
The invention belongs to the technical field of machine design, and discloses a shifting fork type rotation propelling system. The system comprises an inlet valve, a control chamber, a rotation shaft, a rotation rod, a stretching rod, a spring, a moving body and a connecting pipe, wherein the rotation shaft is internally provided with four cavities; four ribs are arranged at a middle section of the inlet valve; the four ribs at the middle section of the inlet valve are respectively arranged in the four cavities of the rotation shaft; a second control chamber lower body and a second control chamber upper body together form a second control chamber; the second control chamber lower body is in sealing contact with a second control chamber upper body; the second control chamber lower body and the second control chamber upper body can move relative to each other; one end of the connecting pipe is communicated with the second control chamber; and the other end of the connecting pipe is communicated with a turbine exhaust pipe. According to the system, when the internal pressure of the second control chamber is higher, the middle section of the inlet valve rotates clockwise, a valve stroke is increased, and an engine air inflow is increased. The system is reasonable in design and simple in structure, and is suitable for the design of an inlet valve lift range continuously-variable system.
Description
Technical field
The invention belongs to technical field of internal combustion engines, specifically, is a kind ofly can realize the fork type rotating propulsion system of intake valve lift continuous changeable by pneumatic principle.
Background technique
Traditional petrolic valve lift is fixing immutable, and namely the cam profile of camshaft only has one, and this just causes this lift can not make motor all obtain good response in high velocity and low velocity zone.The valve lift of conventional gasoline machine motor and design of cam contour line select the balance of motor under full working scope, consequently motor both can not get best high speed efficiency, also can not get best low speed torque, but best balanced performance under obtaining full working scope.The employing of lift range variable, makes motor can be met the valve lift of demand in high velocity and low velocity zone, thus improves high engine speeds power and low speed torque.
Through finding the retrieval of prior art document, China Patent No. application number 200910190522.1, patent name: a kind of hydraulic valve mechanism of lift range variable, this patented technology provides a kind of device of variable valve lift, can take into account the high and low rotating speed operating mode of motor preferably.But its design needs special control structure, whole system complex structure.
Summary of the invention
In order to overcome the shortcoming of prior art, the invention provides a kind of fork type rotating propulsion system, the continuous variable of intake valve lift can be realized.
The present invention is achieved through the following technical solutions, the present invention includes compressor air inlet machine pipe, gas compressor, engine air inlet tube, cylinder body, cylinder cap, engine exhaust pipe, turbine, turbine exhaust pipe, catalysis bag, exhaust valve, intake valve hypomere, intake valve stage casing, intake valve epimere, first control chamber, running shaft, swingle, stretching bar, second control chamber lower body, second control chamber upper body, spring, connecting tube, the air inlet/outlet of gas compressor respectively with compressor air inlet machine pipe, engine air inlet tube is connected, the air inlet/outlet of turbine respectively with engine exhaust pipe, turbine exhaust pipe is connected, engine air inlet tube, engine exhaust pipe is all connected with cylinder body, and cylinder cap is arranged on cylinder body, and exhaust valve is arranged on cylinder cap, and catalysis bag is arranged on turbine exhaust pipe, intake valve hypomere, intake valve stage casing is consolidated, and top, intake valve stage casing is with outside thread, and intake valve epimere inner band is fluted and with internal thread on groove, the top in intake valve stage casing is linked together by worm structure and intake valve epimere, intake valve epimere, first control chamber is arranged in cylinder cap, running shaft is arranged on the axis of the first control chamber, one end of swingle to be arranged in the first control chamber and to be consolidated with running shaft, intake valve stage casing is passed in running shaft, interior of rotating shaft is with four cavitys, intake valve stage casing is with four ribs, and four ribs in intake valve stage casing are arranged in four cavitys of running shaft, the second control chamber lower body, second control chamber upper body forms the second control chamber together, the second control chamber lower body, second control chamber upper body sealing contact also can relative movement, the second control chamber lower body, be connected by spring between second control chamber upper body, the other end of swingle and one end of stretching bar hinged, the other end of stretching bar is consolidated with the upper wall surface of the second control chamber upper body through after the lower wall surface of the second control chamber lower body, one end of connecting tube is connected with the second control chamber, and the other end of connecting tube is connected with turbine exhaust pipe.
Further, in the present invention, the internal cavity cross section of the first control chamber is circular, and the internal cavity cross section of the second control chamber lower body, the second control chamber upper body is rectangular.
The invention has the beneficial effects as follows: the present invention is reasonable in design, structure is simple, can realize the continuous variable of valve lift; Less in speed operation intake valve lift, larger in high-speed working condition intake valve lift.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cross-sectional view of control chamber in the present invention;
Fig. 3 is the structural representation of A-A section in Fig. 2;
Fig. 4 is the structural representation of B-B section in Fig. 2;
Fig. 5 is the structural representation of C-C section in Fig. 2;
Label in accompanying drawing is respectively: 1, compressor air inlet machine pipe, and 2, gas compressor, 3, engine air inlet tube, 4, cylinder body, 5, cylinder cap, 6, engine exhaust pipe, 7, turbine, 8, turbine exhaust pipe, 9, catalysis bag, 10, exhaust valve, 11, intake valve hypomere, 12, intake valve stage casing, 13, intake valve epimere, the 14, first control chamber, 15, running shaft, 16, swingle, 17, stretching bar, the 18, second control chamber lower body, 19, the second control chamber upper body, 20, spring, 21, connecting tube.
Embodiment
Elaborate to embodiments of the invention below in conjunction with accompanying drawing, the present embodiment, premised on technical solution of the present invention, give detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
embodiment
Embodiments of the invention as shown in Figures 1 to 5, the present invention includes compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, cylinder body 4, cylinder cap 5, engine exhaust pipe 6, turbine 7, turbine exhaust pipe 8, catalysis bag 9, exhaust valve 10, intake valve hypomere 11, intake valve stage casing 12, intake valve epimere 13, first control chamber 14, running shaft 15, swingle 16, stretching bar 17, second control chamber lower body 18, second control chamber upper body 19, spring 20, connecting tube 21, the air inlet/outlet of gas compressor 2 respectively with compressor air inlet machine pipe 1, engine air inlet tube 3 is connected, the air inlet/outlet of turbine 7 respectively with engine exhaust pipe 6, turbine exhaust pipe 8 is connected, engine air inlet tube 3, engine exhaust pipe 6 is all connected with cylinder body 4, and cylinder cap 5 is arranged on cylinder body 4, and exhaust valve 10 is arranged on cylinder cap 5, and catalysis bag 9 is arranged on turbine exhaust pipe 8, intake valve hypomere 11, intake valve stage casing 12 is consolidated, top, intake valve stage casing 12 is with outside thread, intake valve epimere 13 inner band is fluted and with internal thread on groove, the top in intake valve stage casing 12 is linked together by worm structure and intake valve epimere 13, intake valve epimere 13, first control chamber 14 is arranged in cylinder cap 5, running shaft 15 is arranged on the axis of the first control chamber 14, one end of swingle 16 to be arranged in the first control chamber 14 and to be consolidated with running shaft 15, intake valve stage casing 12 is passed in running shaft 15, running shaft 15 inside is with four cavitys, intake valve stage casing 12 is with four ribs, and four ribs in intake valve stage casing 12 are arranged in four cavitys of running shaft 15, the second control chamber lower body 18, second control chamber upper body 19 forms the second control chamber together, the second control chamber lower body 18, second control chamber upper body 19 seals contact and can relative movement, the second control chamber lower body 18, be connected by spring between second control chamber upper body 19, the other end of swingle 16 and one end of stretching bar 17 hinged, the other end of stretching bar 17 is consolidated with the upper wall surface of the second control chamber upper body 19 through after the lower wall surface of the second control chamber lower body 18, one end of connecting tube 21 is connected with the second control chamber, the other end of connecting tube 23 is connected with turbine exhaust pipe 8, the internal cavity cross section of the first control chamber 14 is circular, the second control chamber lower body 18, the internal cavity cross section of the second control chamber upper body 19 is rectangular.
In the present invention, running shaft 15 inside is with four cavitys, and intake valve stage casing 12 is with four ribs, and four ribs in intake valve stage casing 12 are arranged in four cavitys of running shaft 15, such intake valve stage casing 12 both can move up and down, and also can rotate together with running shaft 15.When turbine exhaust pipe 8 internal pressure is larger, second control chamber internal pressure is also larger, second control chamber upper body 19 moves up and extension spring 20, stretching bar 17 also synchronously moves up, stretching bar 17 pulls swingle 16, running shaft 15 turns clockwise together, running shaft 15 drives intake valve stage casing 12 also to turn clockwise, and intake valve lift becomes large, and engine charge quantitative change is large.When turbine exhaust pipe 8 internal pressure is less, under the stretching action of spring 20, stretching bar 17, second control chamber upper body 19 all moves down, stretching bar 17 pulls swingle 16, running shaft 15 is rotated counterclockwise together, running shaft 15 drives intake valve stage casing 12 to be rotated counterclockwise, and intake valve lift diminishes.
Claims (2)
1. a fork type rotating propulsion system, comprise compressor air inlet machine pipe (1), gas compressor (2), engine air inlet tube (3), cylinder body (4), cylinder cap (5), engine exhaust pipe (6), turbine (7), turbine exhaust pipe (8), catalysis bag (9), exhaust valve (10), the air inlet/outlet of gas compressor (2) respectively with compressor air inlet machine pipe (1), engine air inlet tube (3) is connected, the air inlet/outlet of turbine (7) respectively with engine exhaust pipe (6), turbine exhaust pipe (8) is connected, engine air inlet tube (3), engine exhaust pipe (6) is all connected with cylinder body (4), cylinder cap (5) is arranged on cylinder body (4), exhaust valve (10) is arranged on cylinder cap (5), catalysis bag (9) is arranged on turbine exhaust pipe (8), it is characterized in that, also comprise intake valve hypomere (11), intake valve stage casing (12), intake valve epimere (13), first control chamber (14), running shaft (15), swingle (16), stretching bar (17), second control chamber lower body (18), second control chamber upper body (19), spring (20), connecting tube (21), intake valve hypomere (11), intake valve stage casing (12) is consolidated, intake valve stage casing (12) top is with outside thread, intake valve epimere (13) inner band is fluted and with internal thread on groove, the top in intake valve stage casing (12) is linked together by worm structure and intake valve epimere (13), intake valve epimere (13), first control chamber (14) is arranged in cylinder cap (5), running shaft (15) is arranged on the axis of the first control chamber (14), one end of swingle (16) to be arranged in the first control chamber (14) and to be consolidated with running shaft (15), intake valve stage casing (12) is passed in running shaft (15), running shaft (15) is inner with four cavitys, intake valve stage casing (12) is with four ribs, four ribs in intake valve stage casing (12) are arranged in four cavitys of running shaft (15), second control chamber lower body (18), second control chamber upper body (19) forms the second control chamber together, second control chamber lower body (18), second control chamber upper body (19) sealing contact also can relative movement, second control chamber lower body (18), be connected by spring between second control chamber upper body (19), the other end of swingle (16) and one end of stretching bar (17) hinged, the other end of stretching bar (17) is consolidated with the upper wall surface of the second control chamber upper body (19) through after the lower wall surface of the second control chamber lower body (18), one end of connecting tube (21) is connected with the second control chamber, the other end of connecting tube (23) is connected with turbine exhaust pipe (8).
2. fork type rotating propulsion system according to claim 1, it is characterized in that, the internal cavity cross section of described first control chamber (14) is circular, and the internal cavity cross section of the second control chamber lower body (18), the second control chamber upper body (19) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510325850.3A CN104989481A (en) | 2015-06-14 | 2015-06-14 | Shifting fork type rotation propelling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510325850.3A CN104989481A (en) | 2015-06-14 | 2015-06-14 | Shifting fork type rotation propelling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104989481A true CN104989481A (en) | 2015-10-21 |
Family
ID=54301349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510325850.3A Pending CN104989481A (en) | 2015-06-14 | 2015-06-14 | Shifting fork type rotation propelling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104989481A (en) |
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2015
- 2015-06-14 CN CN201510325850.3A patent/CN104989481A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151021 |
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| WD01 | Invention patent application deemed withdrawn after publication |