CN104929723A - Three-section type inlet valve mechanism - Google Patents
Three-section type inlet valve mechanism Download PDFInfo
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- CN104929723A CN104929723A CN201510310010.XA CN201510310010A CN104929723A CN 104929723 A CN104929723 A CN 104929723A CN 201510310010 A CN201510310010 A CN 201510310010A CN 104929723 A CN104929723 A CN 104929723A
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- intake valve
- pipe
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- air inlet
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Abstract
The invention provides a three-section type inlet valve mechanism, and belongs to the technical field of internal combustion engines. The mechanism comprises a lower section of an inlet valve, a medium section of the inlet valve, an upper section of the inlet valve, a control body, a fixing body, a through tube, an elastic part, a rotating plate, a rotating shaft and a connecting tube, wherein the medium section of the inlet valve passes through the rotating shaft; four cavities are formed in the rotating shaft; four ribs are arranged at the medium section of the inlet valve and respectively distributed into the four cavities of the rotating shaft; the rotating block is connected with the wall surface of the top end of a second through tube through the elastic part; one end of the connecting tube is communicated with the inner cavity of the control body; the other end of the connecting tube is communicated with an exhaust tube of an engine. According to the mechanism, the medium section of the inlet valve clockwise rotates when the pressure in the control body is high; then the lift of the inlet valve is expanded, and the inlet quantity of the engine is increased; the mechanism is reasonable in design, simple in structure, and suitable for the design of a continuous adjustable lift system of the inlet valve.
Description
Technical field
The invention belongs to technical field of internal combustion engines, specifically, is a kind ofly can realize three nodal pattern intake valve mechanisms 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 three nodal pattern intake valve mechanisms, 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, control volume, fixed body, first runs through pipe, second runs through pipe, elastic member, rotating block, swivel plate, connecting plate, running shaft, 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, control volume is arranged in cylinder cap, and fixed body to be arranged in control volume and to be consolidated with the internal face of control volume, and first runs through pipe, second runs through pipe is arranged on fixed body, first cross sectional area running through pipe is less than the cross sectional area that second runs through pipe, rotating block is arranged in second and runs through in pipe, one end and the rotating block of swivel plate are consolidated, the other end of swivel plate stretches into first and runs through in pipe, running shaft is arranged on the axis of control volume, swivel plate, connecting plate, running shaft is consolidated, 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, four ribs in intake valve stage casing are arranged in four cavitys of running shaft, the top wall that rotating block runs through pipe by elastic member and second is connected, and one end of connecting tube is connected with the internal cavity of control volume, and the other end of connecting tube is connected with engine exhaust pipe.
Further, elastic member is spring in the present invention, described fixed body, first run through pipe, second run through pipe, rotating block, swivel plate, connecting plate cross section be 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 partial enlarged drawing of Fig. 1;
Fig. 3 is the cross-sectional view of control volume in the present invention;
Fig. 4 is the structural representation of A-A section in Fig. 3;
Fig. 5 is the structural representation of B-B section in Fig. 3;
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, 14, control volume, 15, fixed body, 16, first runs through pipe, and 17, second runs through pipe, 18, elastic member, 19, rotating block, 20, swivel plate, 21, connecting plate, 22, running shaft, 23, 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 Figure 1, 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, control volume 14, fixed body 15, first runs through pipe 16, second runs through pipe 17, elastic member 18, rotating block 19, swivel plate 20, connecting plate 21, running shaft 22, connecting tube 23, 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, control volume 14 is arranged in cylinder cap 5, and fixed body 15 to be arranged in control volume 14 and to be consolidated with the internal face of control volume 14, and first runs through pipe 16, second runs through pipe 17 is arranged on fixed body 15, first cross sectional area running through pipe 16 is less than the cross sectional area that second runs through pipe 17, rotating block 19 is arranged in second and runs through in pipe 17, one end and the rotating block 19 of swivel plate 20 are consolidated, the other end of swivel plate 20 stretches into first and runs through in pipe 16, running shaft 22 is arranged on the axis of control volume 14, swivel plate 20, connecting plate 21, running shaft 22 is consolidated, intake valve stage casing 12 is passed in running shaft 22, running shaft 22 inside is 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 22, the top wall that rotating block 19 runs through pipe 17 by elastic member 18 and second is connected, one end of connecting tube 23 is connected with the internal cavity of control volume 14, the other end of connecting tube 23 is connected with engine exhaust pipe 6, elastic member 18 is spring, fixed body 15, first runs through pipe 16, second runs through pipe 17, rotating block 19, swivel plate 20, the cross section of connecting plate 21 is rectangular.
In the present invention, running shaft 22 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 22, such intake valve stage casing 12 both can move up and down, and also can rotate together with running shaft 22.When engine exhaust pipe 6 internal pressure is larger, the internal cavity internal pressure of control volume 14 is also larger, rotating block 19, swivel plate 20 turn clockwise together, pressure elasticity parts 18 simultaneously, then running shaft 22 drives intake valve stage casing 12 to turn clockwise, intake valve lift becomes large, and engine charge quantitative change is large.When engine exhaust pipe 6 internal pressure is less, under the elastic reaction of elastic member 18, running shaft 22 drives intake valve stage casing 12 to be rotated counterclockwise, and intake valve lift diminishes.
Claims (2)
1. a nodal pattern intake valve mechanism, 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), control volume (14), fixed body (15), first runs through pipe (16), second runs through pipe (17), elastic member (18), rotating block (19), swivel plate (20), connecting plate (21), running shaft (22), connecting tube (23), 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), control volume (14) is arranged in cylinder cap (5), fixed body (15) to be arranged in control volume (14) and to be consolidated with the internal face of control volume (14), first runs through pipe (16), second runs through pipe (17) is arranged on fixed body (15), first cross sectional area running through pipe (16) is less than the cross sectional area that second runs through pipe (17), rotating block (19) is arranged in second and runs through in pipe (17), one end and the rotating block (19) of swivel plate (20) are consolidated, the other end of swivel plate (20) stretches into first and runs through in pipe (16), running shaft (22) is arranged on the axis of control volume (14), swivel plate (20), connecting plate (21), running shaft (22) is consolidated, intake valve stage casing (12) is passed in running shaft (22), running shaft (22) 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 (22), rotating block (19) runs through the top wall of managing (17) by elastic member (18) and second and is connected, one end of connecting tube (23) is connected with the internal cavity of control volume (14), the other end of connecting tube (23) is connected with engine exhaust pipe (6).
2. three nodal pattern intake valve mechanisms according to claim 1, it is characterized in that, described elastic member (18) is spring, described fixed body (15), first run through pipe (16), second run through pipe (17), rotating block (19), swivel plate (20), connecting plate (21) cross section be rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310010.XA CN104929723A (en) | 2015-06-08 | 2015-06-08 | Three-section type inlet valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310010.XA CN104929723A (en) | 2015-06-08 | 2015-06-08 | Three-section type inlet valve mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN104929723A true CN104929723A (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510310010.XA Pending CN104929723A (en) | 2015-06-08 | 2015-06-08 | Three-section type inlet valve mechanism |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463987A (en) * | 1994-07-13 | 1995-11-07 | Cukovich; Mark S. | Variable valve timing mechanism |
| CN102966396A (en) * | 2012-11-06 | 2013-03-13 | 上海交通大学 | Dual valve height pneumatic control system |
| CN103541824A (en) * | 2013-09-24 | 2014-01-29 | 上海交通大学 | Pressure unbalanced type valve body lifting adjusting mechanism |
| CN103557097A (en) * | 2013-09-24 | 2014-02-05 | 上海交通大学 | Mechanical valve body lift control system |
| CN104653341A (en) * | 2013-11-17 | 2015-05-27 | 胡志龙 | Pneumatic air valve lift adjusting device |
| CN104653346A (en) * | 2013-11-17 | 2015-05-27 | 胡志龙 | Pneumatic device with air exhaust as air source |
| CN104912612A (en) * | 2015-05-03 | 2015-09-16 | 上海速朗电子科技有限公司 | Device achieving continuously variable valve lift |
-
2015
- 2015-06-08 CN CN201510310010.XA patent/CN104929723A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463987A (en) * | 1994-07-13 | 1995-11-07 | Cukovich; Mark S. | Variable valve timing mechanism |
| CN102966396A (en) * | 2012-11-06 | 2013-03-13 | 上海交通大学 | Dual valve height pneumatic control system |
| CN103541824A (en) * | 2013-09-24 | 2014-01-29 | 上海交通大学 | Pressure unbalanced type valve body lifting adjusting mechanism |
| CN103557097A (en) * | 2013-09-24 | 2014-02-05 | 上海交通大学 | Mechanical valve body lift control system |
| CN104653341A (en) * | 2013-11-17 | 2015-05-27 | 胡志龙 | Pneumatic air valve lift adjusting device |
| CN104653346A (en) * | 2013-11-17 | 2015-05-27 | 胡志龙 | Pneumatic device with air exhaust as air source |
| CN104912612A (en) * | 2015-05-03 | 2015-09-16 | 上海速朗电子科技有限公司 | Device achieving continuously variable valve lift |
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Application publication date: 20150923 |
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