CN102966393A - Upper-section sliding device for mechanical valve - Google Patents
Upper-section sliding device for mechanical valve Download PDFInfo
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- CN102966393A CN102966393A CN2012104389791A CN201210438979A CN102966393A CN 102966393 A CN102966393 A CN 102966393A CN 2012104389791 A CN2012104389791 A CN 2012104389791A CN 201210438979 A CN201210438979 A CN 201210438979A CN 102966393 A CN102966393 A CN 102966393A
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Abstract
The invention discloses an upper-section sliding device for a mechanical valve in the technical field of the mechanical design. The upper-section sliding device for the mechanical air valve comprises an inlet channel, an outlet channel, a lower section of an inlet valve, an exhaust valve, an upper section of the inlet valve, a volume cavity, moving bodies, a through tube, moving blocks, a connecting tube and a spring, wherein the lower end surface of the first moving block and the lower end surface of the second moving block are both planes; the upper end surface of the first moving block and the upper end surface of the second moving block are both slopes; and the right wall surface of the first moving body is connected with the left wall surface of the second moving body via the spring. When pressure in the exhaust tube of the an engine is bigger, the first moving body moves leftwards, the second moving body moves rightwards, and the lifts of the inlet valve and the exhaust valve are largenedned; and when the pressure in the exhaust tube of the engine is smaller, the first moving body moves rightwards, the second moving body moves leftwards, and the lifts of the inlet valve and the exhaust valve are reduced. The upper-section sliding device disclosed by the invention has the advantages of reasonability in design and simple structure and is suitable for the lift variable system of the engine.
Description
Technical field
What the present invention relates to is the engine intake and exhaust system in a kind of mechanical designing technique field, particularly a kind of mechanical type valve epimere sliding device.
Background technique
Traditional petrolic valve lift is fixing immutable, and namely the cam profile of camshaft only has a kind ofly, and this has just caused 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 is that design of cam contour line is that the balance of motor under full operating mode selected, consequently motor both can not get best high speed efficient, also can not get best low speed torque, but obtained best balanced performance under the full operating mode.The employing of lift range variable makes motor can both be met the valve lift of demand in high velocity and low velocity zone, thereby improves high engine speeds power and low speed torque.
Find through the retrieval to the 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 preferably the high and low rotating speed operating mode of motor.But its design is the hydraulic mechanism that utilizes, and very high to sealing requirements, poorly sealed words cause fluid seepage easily; And because there is certain compressibility in liquid, the speed of response that valve lift changes has certain retardance.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of mechanical type valve epimere sliding device is provided, the speed of response that valve lift is changed is very fast.
The present invention is achieved through the following technical solutions, the present invention includes: cylinder, piston, cylinder head, intake duct, air outlet flue, the intake valve hypomere, the exhaust valve hypomere, the compressor air inlet machine pipe, gas compressor, engine air inlet tube, engine exhaust pipe, turbine, the turbine steam outlet pipe, the intake valve epimere, the exhaust valve epimere, cavity volume, the first moving body, first runs through pipe, the first moving block, the second moving body, second runs through pipe, the second moving block, spring and connecting tube, piston is installed in the space that cylinder surrounds and with the internal face sealing of cylinder and contacts, the air outlet of intake duct, the suction port of air outlet flue all is connected with cylinder head, the air inlet/outlet of gas compressor respectively with the air outlet of gas compressor machine suction tude, the suction port of engine air inlet tube is connected, the air outlet of engine air inlet tube is connected with the suction port of intake duct, the air inlet/outlet of turbine respectively with the air outlet of engine exhaust pipe, the suction port of turbine steam outlet pipe is connected, the suction port of engine exhaust pipe is connected with the air outlet of air outlet flue, the lower end surface of intake valve hypomere, the lower end surface of exhaust valve hypomere is all in the firing chamber, the first moving body, the second moving body is installed in the cavity volume and with the internal face sealing of cavity volume and contacts, first runs through pipe, second runs through pipe passes through respectively the first moving body, up and down two walls of the second moving body, the first moving block is installed in first to be run through in the pipe and with the first internal face sealing that runs through pipe and contacts, the second moving block is installed in second to be run through in the pipe and with the second internal face sealing that runs through pipe and contacts, the lower end surface of the first moving block, the lower end surface of the second moving block is the plane, the upper-end surface of the first moving block, the upper-end surface of the second moving block is the inclined-plane, the intake valve epimere passes the upper wall surface of cavity volume and stretches into first and runs through in the pipe, the lower end surface of intake valve epimere contacts with the upper-end surface sealing of the first moving block, the intake valve hypomere passes the lower wall surface of cavity volume and stretches into first and runs through in the pipe, the upper-end surface of intake valve hypomere contacts with the lower end surface sealing of the first moving block, the exhaust valve epimere passes the upper wall surface of cavity volume and stretches into second and runs through in the pipe, the lower end surface of exhaust valve epimere contacts with the upper-end surface sealing of the second moving block, the exhaust valve hypomere passes the lower wall surface of cavity volume and stretches into second and runs through in the pipe, the upper-end surface of exhaust valve hypomere contacts with the lower end surface sealing of the second moving block, the cross section of cavity volume is rectangular, first runs through pipe, second runs through pipe is the uniform section pipe, the right wall of the first moving body is connected with the left wall of the second moving body by spring, the two ends of connecting tube respectively with engine exhaust pipe, the upper wall surface of cavity volume is connected.
In the present invention, the first moving body, the second moving body, the first moving block and the second moving block all can be in cavity volume move left and right, the first moving block, the second moving block also can followed the inlet and exhaust valve upper-lower section and moved up and down together within running through pipe.When the engine exhaust overpressure is low, under the stretching action of spring, the first moving body moves right, the second moving body is moved to the left, the first moving block, the second moving block are also mobile simultaneously, the upper-end surface relative sliding of the lower end surface of intake valve epimere and the first moving block, the intake valve hypomere moves up under the effect of holddown spring, the upper-end surface relative sliding of the lower end surface of exhaust valve epimere and the second moving block, the exhaust valve hypomere moves up under the effect of holddown spring, thereby the inlet and exhaust valve lift is diminished.When the engine exhaust overpressure is higher, the first moving body is moved to the left, the second moving body moves right, spring is stretched, the first moving block, the second moving block are also mobile simultaneously, the upper-end surface relative sliding of the lower end surface of intake valve epimere and the first moving block, the intake valve hypomere moves down under the effect of holddown spring, the upper-end surface relative sliding of the lower end surface of exhaust valve epimere and the second moving block, the exhaust valve hypomere moves down under the effect of holddown spring, thereby makes the inlet and exhaust valve lift become large.
Compared with prior art, the present invention has following beneficial effect and is: the present invention is reasonable in design, and is simple in structure, can realize the continuous variable of valve lift, and the speed of response that valve lift is changed is very fast, and does not need special control mechanism.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A-A section among Fig. 1;
Wherein: 1, cylinder, 2, piston, 3, cylinder head, 4, intake duct, 5, air outlet flue, 6, the intake valve hypomere, 7, exhaust valve hypomere, 8, the compressor air inlet machine pipe, 9, gas compressor, 10, engine air inlet tube, 11, engine exhaust pipe, 12, turbine, 13, turbine steam outlet pipe, 14, intake valve epimere, 15, the exhaust valve epimere, 16, cavity volume, 17, the first moving body, 18, first runs through pipe, the 19, first moving block, the 20, second moving body, 21, second runs through pipe, 22, the second moving block, 23, spring, 24, connecting tube.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, present embodiment provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment take technical solution of the present invention as prerequisite.
Embodiment
As depicted in figs. 1 and 2, the present invention includes: comprise cylinder 1, piston 2, cylinder head 3, intake duct 4, air outlet flue 5, intake valve hypomere 6, exhaust valve hypomere 7, compressor air inlet machine pipe 8, gas compressor 9, engine air inlet tube 10, engine exhaust pipe 11, turbine 12, turbine steam outlet pipe 13, intake valve epimere 14, exhaust valve epimere 15, cavity volume 16, the first moving body 17, first runs through pipe 18, the first moving block 19, the second moving body 20, second runs through pipe 21, the second moving block 22, spring 23 and connecting tube 24, piston 2 is installed in the space that cylinder 1 surrounds and with the internal face sealing of cylinder 1 and contacts, the air outlet of intake duct 4, the suction port of air outlet flue 5 all is connected with cylinder head 3, the air inlet/outlet of gas compressor 9 respectively with the air outlet of gas compressor machine suction tude 8, the suction port of engine air inlet tube 10 is connected, the air outlet of engine air inlet tube 10 is connected with the suction port of intake duct 4, the air inlet/outlet of turbine 12 respectively with the air outlet of engine exhaust pipe 11, the suction port of turbine steam outlet pipe 13 is connected, the suction port of engine exhaust pipe 11 is connected with the air outlet of air outlet flue 5, the lower end surface of intake valve hypomere 6, the lower end surface of exhaust valve hypomere 7 is all in the firing chamber, the first moving body 17, the second moving body 20 is installed in the cavity volume 16 and with the internal face sealing of cavity volume 16 and contacts, first runs through pipe 18, second runs through pipe 21 passes through respectively the first moving body 17, up and down two walls of the second moving body 20, the first moving block 19 is installed in first to be run through in the pipe 18 and runs through the sealing of pipe 18 internal face and contact with first, the second moving block 22 is installed in second to be run through in the pipe 21 and runs through the sealing of pipe 21 internal face and contact with second, the lower end surface of the first moving block 19, the lower end surface of the second moving block 22 is the plane, the upper-end surface of the first moving block 19, the upper-end surface of the second moving block 22 is the inclined-plane, intake valve epimere 14 passes the upper wall surface of cavity volume 16 and stretches into first and runs through in the pipe 18, the lower end surface of intake valve epimere 14 contacts with the upper-end surface sealing of the first moving block 19, intake valve hypomere 6 passes the lower wall surface of cavity volume 16 and stretches into first and runs through in the pipe 18, the upper-end surface of intake valve hypomere 6 contacts with the lower end surface sealing of the first moving block 19, exhaust valve epimere 15 passes the upper wall surface of cavity volume 16 and stretches into second and runs through in the pipe 21, the lower end surface of exhaust valve epimere 15 contacts with the upper-end surface sealing of the second moving block 22, exhaust valve hypomere 7 passes the lower wall surface of cavity volume 16 and stretches into second and runs through in the pipe 21, the upper-end surface of exhaust valve hypomere 7 contacts with the lower end surface sealing of the second moving block 22, the cross section of cavity volume 16 is rectangular, first runs through pipe 18, second runs through pipe 21 is the uniform section pipe, the right wall of the first moving body 17 is connected by the left wall of spring 23 with the second moving body 20, the two ends of connecting tube 24 respectively with engine exhaust pipe 11, the upper wall surface of cavity volume 16 is connected.
In the present invention, the first moving body 17, the second moving body 20, the first moving block 19 and the second moving block 22 all can be in cavity volume 16 interior move left and right, and the first moving block 19, the second moving block 22 also can followed the inlet and exhaust valve upper-lower section and moved up and down together within running through pipe.When engine exhaust pipe 11 internal pressures are low, under the stretching action of spring 23, the first moving body 17 moves right, the second moving body 20 is moved to the left, the first moving block 19, the second moving block 22 are also mobile simultaneously, the upper-end surface relative sliding of the lower end surface of intake valve epimere 14 and the first moving block 19, intake valve hypomere 6 moves up under the effect of holddown spring, the upper-end surface relative sliding of the lower end surface of exhaust valve epimere 15 and the second moving block 22, exhaust valve hypomere 7 moves up under the effect of holddown spring, thereby the inlet and exhaust valve lift is diminished.When engine exhaust pipe 11 internal pressures are higher, the first moving body 17 is moved to the left, the second moving body 20 moves right, spring 23 is stretched, the first moving block 19, the second moving block 22 are also mobile simultaneously, the upper-end surface relative sliding of the lower end surface of intake valve epimere 14 and the first moving block 19, intake valve hypomere 6 moves down under the effect of holddown spring, the upper-end surface relative sliding of the lower end surface of exhaust valve epimere 15 and the second moving block 22, exhaust valve hypomere 7 moves down under the effect of holddown spring, thereby makes the inlet and exhaust valve lift become large.Therefore, the present invention can take into account the high and low rotating speed operating mode of motor preferably.
Claims (1)
1. mechanical type valve epimere sliding device, comprise cylinder (1), piston (2), cylinder head (3), intake duct (4), air outlet flue (5), intake valve hypomere (6), exhaust valve hypomere (7), compressor air inlet machine pipe (8), gas compressor (9), engine air inlet tube (10), engine exhaust pipe (11), turbine (12) and turbine steam outlet pipe (13), piston (2) is installed in the space that cylinder (1) surrounds and with the internal face sealing of cylinder (1) and contacts, the air outlet of intake duct (4), the suction port of air outlet flue (5) all is connected with cylinder head (3), the air inlet/outlet of gas compressor (9) respectively with the air outlet of gas compressor machine suction tude (8), the suction port of engine air inlet tube (10) is connected, the air outlet of engine air inlet tube (10) is connected with the suction port of intake duct (4), the air inlet/outlet of turbine (12) respectively with the air outlet of engine exhaust pipe (11), the suction port of turbine steam outlet pipe (13) is connected, the suction port of engine exhaust pipe (11) is connected with the air outlet of air outlet flue (5), the lower end surface of intake valve hypomere (6), the lower end surface of exhaust valve hypomere (7) is all in the firing chamber, characterized by further comprising intake valve epimere (14), exhaust valve epimere (15), cavity volume (16), the first moving body (17), first runs through pipe (18), the first moving block (19), the second moving body (20), second runs through pipe (21), the second moving block (22), spring (23) and connecting tube (24), the first moving body (17), the second moving body (20) is installed in the cavity volume (16) and with the internal face sealing of cavity volume (16) and contacts, first runs through pipe (18), second runs through pipe (21) passes through respectively the first moving body (17), up and down two walls of the second moving body (20), the first moving block (19) is installed in first to be run through in the pipe (18) and seals with the first internal face that runs through pipe (18) and contact, the second moving block (22) is installed in second to be run through in the pipe (21) and seals with the second internal face that runs through pipe (21) and contact, the lower end surface of the first moving block (19), the lower end surface of the second moving block (22) is the plane, the upper-end surface of the first moving block (19), the upper-end surface of the second moving block (22) is the inclined-plane, intake valve epimere (14) passes the upper wall surface of cavity volume (16) and stretches into first and runs through in the pipe (18), the lower end surface of intake valve epimere (14) contacts with the upper-end surface sealing of the first moving block (19), intake valve hypomere (6) passes the lower wall surface of cavity volume (16) and stretches into first and runs through in the pipe (18), the upper-end surface of intake valve hypomere (6) contacts with the lower end surface sealing of the first moving block (19), exhaust valve epimere (15) passes the upper wall surface of cavity volume (16) and stretches into second and runs through in the pipe (21), the lower end surface of exhaust valve epimere (15) contacts with the upper-end surface sealing of the second moving block (22), exhaust valve hypomere (7) passes the lower wall surface of cavity volume (16) and stretches into second and runs through in the pipe (21), the upper-end surface of exhaust valve hypomere (7) contacts with the lower end surface sealing of the second moving block (22), the cross section of cavity volume (16) is rectangular, first runs through pipe (18), second runs through pipe (21) is the uniform section pipe, the right wall of the first moving body (17) is connected by the left wall of spring (23) with the second moving body (20), the two ends of connecting tube (24) respectively with engine exhaust pipe (11), the upper wall surface of cavity volume (16) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210438979.1A CN102966393B (en) | 2012-11-06 | 2012-11-06 | Upper-section sliding device for mechanical valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210438979.1A CN102966393B (en) | 2012-11-06 | 2012-11-06 | Upper-section sliding device for mechanical valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966393A true CN102966393A (en) | 2013-03-13 |
| CN102966393B CN102966393B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210438979.1A Expired - Fee Related CN102966393B (en) | 2012-11-06 | 2012-11-06 | Upper-section sliding device for mechanical valve |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3808542A1 (en) * | 1987-03-26 | 1988-10-06 | Volkswagen Ag | Valve gear for an inlet and exhaust valve of an internal combustion engine |
| US5664531A (en) * | 1994-08-29 | 1997-09-09 | Hyundai Motor Co., Ltd. | Device for adjusting valve duration using external air supply |
| EP1236869A1 (en) * | 2001-02-28 | 2002-09-04 | Institut Francais Du Petrole | Arrangement for introducing air-fuel mixture in a combustion chamber, in particular for a two-stroke engine |
| JP2004116365A (en) * | 2002-09-25 | 2004-04-15 | Toyota Motor Corp | Controller for variable valve system |
| KR20060041543A (en) * | 2004-11-09 | 2006-05-12 | 현대자동차주식회사 | Swing arm finger follower of a variable valve lift apparatus |
| DE102008059391A1 (en) * | 2008-06-03 | 2009-12-10 | Schwier, Helmut, Dipl.-Ing. | Valve e.g. inlet valve, arrangement for petrol engine, has annular groove, and valve including closure body with upper side facing valve opening and covered by cap that is slidably and axially guided relative to shaft |
| CN101429882B (en) * | 2008-12-12 | 2011-07-13 | 奇瑞汽车股份有限公司 | Continuous variable air valve lift apparatus |
-
2012
- 2012-11-06 CN CN201210438979.1A patent/CN102966393B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3808542A1 (en) * | 1987-03-26 | 1988-10-06 | Volkswagen Ag | Valve gear for an inlet and exhaust valve of an internal combustion engine |
| US5664531A (en) * | 1994-08-29 | 1997-09-09 | Hyundai Motor Co., Ltd. | Device for adjusting valve duration using external air supply |
| EP1236869A1 (en) * | 2001-02-28 | 2002-09-04 | Institut Francais Du Petrole | Arrangement for introducing air-fuel mixture in a combustion chamber, in particular for a two-stroke engine |
| JP2004116365A (en) * | 2002-09-25 | 2004-04-15 | Toyota Motor Corp | Controller for variable valve system |
| KR20060041543A (en) * | 2004-11-09 | 2006-05-12 | 현대자동차주식회사 | Swing arm finger follower of a variable valve lift apparatus |
| DE102008059391A1 (en) * | 2008-06-03 | 2009-12-10 | Schwier, Helmut, Dipl.-Ing. | Valve e.g. inlet valve, arrangement for petrol engine, has annular groove, and valve including closure body with upper side facing valve opening and covered by cap that is slidably and axially guided relative to shaft |
| CN101429882B (en) * | 2008-12-12 | 2011-07-13 | 奇瑞汽车股份有限公司 | Continuous variable air valve lift apparatus |
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| CN102966393B (en) | 2014-12-10 |
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