CN104806319A - Internal matching device for ribs and cavities - Google Patents
Internal matching device for ribs and cavities Download PDFInfo
- Publication number
- CN104806319A CN104806319A CN201510234058.7A CN201510234058A CN104806319A CN 104806319 A CN104806319 A CN 104806319A CN 201510234058 A CN201510234058 A CN 201510234058A CN 104806319 A CN104806319 A CN 104806319A
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- CN
- China
- Prior art keywords
- intake valve
- inlet valve
- exhaust pipe
- stage casing
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0031—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of tappet or pushrod length
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention relates to an internal matching device for ribs and cavities, and belongs to the technical field of internal combustion engines. The internal matching device comprises an inlet valve lower section, an inlet valve middle section, an inlet valve upper section, a control body, a fixed plate, an elastic component, a rotating plate, a rotating shaft and a connecting pipe, wherein the top end of the inlet valve middle section is connected with the inlet valve upper section together through a thread structure; the inlet valve middle section penetrates through the rotating shaft; four cavities are arranged inside the rotating shaft; four ribs are arranged in the inlet valve middle section; the four ribs of the inlet valve middle section are respectively arranged in the four cavities of the rotating shaft; one end of the connecting pipe is communicated with an internal cavity of the control body, and the other end of the connecting pipe is communicated with an engine exhaust pipe. According to the internal matching device, when the pressure inside the control body is relatively high, the inlet valve middle section rotates clockwise, the valve lift becomes larger, and the engine air inflow becomes larger. The internal matching device is reasonable in design and simple in structure, and is suitable for the design of an inlet valve lift continuously-variable system.
Description
Technical field
The invention belongs to technical field of internal combustion engines, specifically, is a kind ofly can realize the rib cavity inside adapting device 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 rib cavity inside adapting device, the continuous variable of intake valve lift can be realized.
The present invention is achieved through the following technical solutions, compressor air inlet machine pipe of the present invention, 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 plate, elastic member, swivel 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, fixed plate to be arranged in control volume and to be consolidated with the internal face of control volume, running shaft is arranged on the axis of control volume, swivel plate to be arranged in control volume 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, four ribs in intake valve stage casing are arranged in four cavitys of running shaft, swivel plate is connected with fixed plate by elastic member, 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, in the present invention, elastic member is spring, and the cross section of fixed plate, swivel plate 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 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 plate, 16, elastic member, 17, swivel plate, 18, running shaft, 19, 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 plate 15, elastic member 16, swivel plate 17, running shaft 18, connecting tube 19, 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, fixed plate 15 to be arranged in control volume 14 and to be consolidated with the internal face of control volume 14, running shaft 18 is arranged on the axis of control volume 14, swivel plate 17 to be arranged in control volume 14 and to be consolidated with running shaft 18, intake valve stage casing 12 is passed in running shaft 18, running shaft 18 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 18, swivel plate 19 is connected with fixed plate 15 by elastic member 16, one end of connecting tube 19 is connected with the internal cavity of control volume 14, and the other end of connecting tube 19 is connected with engine exhaust pipe 6, elastic member 16 is spring, and the cross section of fixed plate 15, swivel plate 17 is rectangular.
In the present invention, running shaft 18 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 18, such intake valve stage casing 12 both can move up and down, and also can rotate together with running shaft 18.When engine exhaust pipe 6 internal pressure is larger, the internal cavity internal pressure of control volume 14 is also comparatively large, and swivel plate 17 turns clockwise, pressure elasticity parts 16 simultaneously, running shaft 18 drives intake valve stage casing 12 also to turn clockwise, and 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 16, running shaft 18 drives intake valve stage casing 12 to be rotated counterclockwise, and intake valve lift diminishes.
Claims (2)
1. a rib cavity inside adapting device, 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 plate (15), elastic member (16), swivel plate (17), running shaft (18), connecting tube (19), 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 plate (15) to be arranged in control volume (14) and to be consolidated with the internal face of control volume (14), running shaft (18) is arranged on the axis of control volume (14), swivel plate (17) to be arranged in control volume (14) and to be consolidated with running shaft (18), intake valve stage casing (12) is passed in running shaft (18), running shaft (18) 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 (18), swivel plate (19) is connected with fixed plate (15) by elastic member (16), one end of connecting tube (19) is connected with the internal cavity of control volume (14), the other end of connecting tube (19) is connected with engine exhaust pipe (6).
2. rib cavity inside adapting device according to claim 1, is characterized in that, described elastic member (16) is spring, and the cross section of described fixed plate (15), swivel plate (17) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234058.7A CN104806319A (en) | 2015-05-09 | 2015-05-09 | Internal matching device for ribs and cavities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234058.7A CN104806319A (en) | 2015-05-09 | 2015-05-09 | Internal matching device for ribs and cavities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806319A true CN104806319A (en) | 2015-07-29 |
Family
ID=53691466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510234058.7A Pending CN104806319A (en) | 2015-05-09 | 2015-05-09 | Internal matching device for ribs and cavities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806319A (en) |
-
2015
- 2015-05-09 CN CN201510234058.7A patent/CN104806319A/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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150729 |