CN104989482A - Inverted triangle type up-and-down lifting system - Google Patents
Inverted triangle type up-and-down lifting system Download PDFInfo
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- CN104989482A CN104989482A CN201510270025.8A CN201510270025A CN104989482A CN 104989482 A CN104989482 A CN 104989482A CN 201510270025 A CN201510270025 A CN 201510270025A CN 104989482 A CN104989482 A CN 104989482A
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- China
- Prior art keywords
- intake valve
- control chamber
- shifting board
- air inlet
- spring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses an inverted triangle type up-and-down lifting system belonging to the technical field of machinery design. The system comprises an inlet valve, control chambers, a rotation shaft, a rotation rod, a tension rod, springs, a movable object, movable plates and a connecting pipe. The rotation shaft is internally provided with four cavities, and the middle part of the inlet valve is provided with four ribs respectively disposed inside the four cavities of the rotation shaft. Slope structures of the movable object, the first movable plate and the second movable plate cooperate with each other. The first movable plate and the second movable plate are respectively connected to the right wall and the left wall of the second control chamber respectively through the first spring and the second spring. One end of the connecting pipe is communicated with the lower part of the second control chamber, and the other end of the connecting pipe is communicated with an air inlet pipe of an engine. According to the invention, when the pressure in the control chambers is relatively high, the middle part of the inlet valve rotates counterclockwise, the valve lift is enlarged, and the air input of the engine is increased. The system is reasonable is design and simple in structure, and is suitable for the design of an inlet valve lift continuous variable system.
Description
Technical field
The invention belongs to technical field of internal combustion engines, specifically, is a kind ofly can realize the inverted-triangular oscilaltion 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 inverted-triangular oscilaltion 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, first shifting board, second shifting board, first spring, second spring, moving body, 3rd 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 first shifting board, second shifting board, moving body is arranged in the second control chamber, the lower wall surface of moving body with ramp structure, the first shifting board, the upper wall surface of the second shifting board also with ramp structure, moving body, first shifting board, the ramp structure of the second shifting board cooperatively interacts, and the upper wall surface of moving body is connected with the upper wall surface of the second control chamber by the 3rd spring, the first shifting board, second shifting board is respectively by the first spring, the right wall of the second spring and the second control chamber, left wall is connected, 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 moving body through after the upper wall surface of the second control chamber, one end of connecting tube is connected with the lower cavity of the second control chamber, and the other end of connecting tube is connected with engine air inlet tube.
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 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, 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, first control chamber, 15, running shaft, 16, swingle, 17, stretching bar, 18, second control chamber, 19, first shifting board, 20, second shifting board, 21, first spring, 22, second spring, 23, moving body, 24, 3rd spring, 25, 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 18, first shifting board 19, second shifting board 20, first spring 21, second spring 22, moving body 23, 3rd spring 24, connecting tube 25, 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 first shifting board 19, second shifting board 20, moving body 23 is arranged in the second control chamber 18, the lower wall surface of moving body 23 with ramp structure, the first shifting board 19, the upper wall surface of the second shifting board 20 also with ramp structure, moving body 23, first shifting board 19, the ramp structure of the second shifting board 20 cooperatively interacts, and the upper wall surface of moving body 23 is connected by the upper wall surface of the 3rd spring 24 with the second control chamber 18, the first shifting board 19, second shifting board 20 is respectively by the first spring 21, the right wall of the second spring 22 and the second control chamber 18, left wall is connected, 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 moving body 23 through after the upper wall surface of the second control chamber 18, one end of connecting tube 25 is connected with the lower cavity of the second control chamber 18, and the other end of connecting tube 25 is connected with engine air inlet tube 3, the internal cavity cross section of the first control chamber 14 is circular, and the internal cavity cross section of the second control chamber 18 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; Moving body 23 can move up and down in the second control chamber 18, and the first shifting board 19, second shifting board 20 can move left and right in the second control chamber 18.When engine air inlet tube 3 internal pressure is larger, the lower cavity internal pressure of the second control chamber 18 is also larger, first shifting board 19, second shifting board 20 moves left to the right respectively, moving body 23 moves down, stretching bar 17 also synchronously moves down, and stretching bar 17 pulls swingle 16, running shaft 15 is rotated counterclockwise together, and running shaft 15 drives intake valve stage casing 12 to be also rotated counterclockwise, intake valve lift becomes large, and engine charge quantitative change is large.When engine air inlet tube 3 internal pressure is less, under the effect of the first spring 21, second spring 22, the 3rd spring 24, first shifting board 19, second shifting board 20 moves left and right respectively mutually, moving body 23 moves up, stretching bar 17 pulls swingle 16, running shaft 15 turns clockwise together, running shaft 15 drives intake valve stage casing 12 to turn clockwise, and intake valve lift diminishes.
Claims (2)
1. an inverted-triangular oscilaltion system, comprises 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 (18), first shifting board (19), second shifting board (20), first spring (21), second spring (22), moving body (23), 3rd spring (24), connecting tube (25), 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), the first shifting board (19), second shifting board (20), moving body (23) is arranged in the second control chamber (18), the lower wall surface of moving body (23) with ramp structure, the first shifting board (19), the upper wall surface of the second shifting board (20) also with ramp structure, moving body (23), first shifting board (19), the ramp structure of the second shifting board (20) cooperatively interacts, and the upper wall surface of moving body (23) is connected with the upper wall surface of the second control chamber (18) by the 3rd spring (24), the first shifting board (19), second shifting board (20) is respectively by the first spring (21), the right wall of the second spring (22) and the second control chamber (18), left wall is connected, 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 moving body (23) through after the upper wall surface of the second control chamber (18), one end of connecting tube (25) is connected with the lower cavity of the second control chamber (18), and the other end of connecting tube (25) is connected with engine air inlet tube (3).
2. inverted-triangular oscilaltion system according to claim 1, 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 (18) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270025.8A CN104989482A (en) | 2015-05-24 | 2015-05-24 | Inverted triangle type up-and-down lifting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270025.8A CN104989482A (en) | 2015-05-24 | 2015-05-24 | Inverted triangle type up-and-down lifting system |
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| Publication Number | Publication Date |
|---|---|
| CN104989482A true CN104989482A (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510270025.8A Pending CN104989482A (en) | 2015-05-24 | 2015-05-24 | Inverted triangle type up-and-down lifting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980581A (en) * | 2019-11-26 | 2020-04-10 | 衡阳市林肯液压设备有限公司 | Hydraulic lifting platform with large load capacity |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966403A (en) * | 2012-11-12 | 2013-03-13 | 上海交通大学 | Device for adjusting lift of intake valve of supercharged engine |
| CN104358612A (en) * | 2014-12-07 | 2015-02-18 | 王春海 | Pipeline expansion mechanism |
| CN104564313A (en) * | 2015-01-26 | 2015-04-29 | 上海交通大学 | Hinge type throat adjusting system |
-
2015
- 2015-05-24 CN CN201510270025.8A patent/CN104989482A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966403A (en) * | 2012-11-12 | 2013-03-13 | 上海交通大学 | Device for adjusting lift of intake valve of supercharged engine |
| CN104358612A (en) * | 2014-12-07 | 2015-02-18 | 王春海 | Pipeline expansion mechanism |
| CN104564313A (en) * | 2015-01-26 | 2015-04-29 | 上海交通大学 | Hinge type throat adjusting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980581A (en) * | 2019-11-26 | 2020-04-10 | 衡阳市林肯液压设备有限公司 | Hydraulic lifting platform with large load capacity |
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Application publication date: 20151021 |
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