CN101900007A - Rotary valve type four-stroke internal combustion engine distribution device - Google Patents
Rotary valve type four-stroke internal combustion engine distribution device Download PDFInfo
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- CN101900007A CN101900007A CN2009101457047A CN200910145704A CN101900007A CN 101900007 A CN101900007 A CN 101900007A CN 2009101457047 A CN2009101457047 A CN 2009101457047A CN 200910145704 A CN200910145704 A CN 200910145704A CN 101900007 A CN101900007 A CN 101900007A
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- rotary valve
- valve plate
- inner cap
- enclosing cover
- suction port
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Abstract
The invention relates to a rotary valve type four-stroke internal combustion engine distribution device, relating to a piston type explosive motor distribution device. As for the inner combustion engine distribution device utilizing a rotary valve plate, the rotary valve plate is arranged between an inner cover and an outer cover, and forms a structure capable of rotating relatively together with the inner cover and the outer cover, the air inlet and the air outlet of the inner cover are provided with seal rings, wherein the structure has simple structure, reliable operation, less power consumption, low fault rate, long service lift and no required clearance adjustment when in use, thoroughly abandons complicated impact of a camshaft, a rocker, a valve, a valve spring and the like, and can reciprocate. The scheme is suitable for an existing four-stroke compression ignition engine and a four-stroke spark ignition engine which have large cylinder diameter and short stroke, especially for occasions in which the existing tank and other equipment have special and rigorous requirements on engines in the aspects of weight, space volume, high reliability, low maintenance and the like.
Description
Technical field
This programme relates to the piston four stroke explosive motor, more particularly, relates to the distribution device of piston four stroke explosive motor.
Background technique
The four-stroke piston explosive motor all has a cover distribution device, existing distribution device not only complex structure, part is many, rate of fault is high, it is big to take up room, and many part to-and-fro motion during work, the initiation impact wear, noise is also very big.In order to solve existing air distribution structure complexity, problem that rate of fault is high, people have carried out a large amount of research to traditional valve and valve driving component.Because traditional distribution device uses parts such as cam, valve, valve seat, valve guide bushing, many parts adopt reciprocatory motion, produce and impact.Noise is big when not only working, and working life is short.Distribution device working life should be consistent with the motor bulk life time, but existing distribution device working life is well below the motor bulk life time, especially parts such as cam, valve, valve seat, valve guide bushing at a high speed back and forth, be easy to wearing and tearing in the ballistic motion or lost efficacy.In order to solve the problem that prior art exists, the gap of people in eliminating distribution device reduces aspects such as the impulsive load of part and noise and carried out very big effort.But, also fundamentally do not solve the problem that distribution device exists.
Summary of the invention
At the deficiencies in the prior art, this programme provides a kind of I. C engine distribution mechanism that uses rotary valve plate from another thinking, it realizes control to inlet and outlet by rotatablely moving of rotary valve plate, fully phased out the to-and-fro motion part, not only simple in structure, and reliable in action.Significantly reduce the quantity of these parts parts, made these parts number of spare parts, weight and take up room all to reduce to below 50% of existing product, reduced production and user cost when having realized improving performance.
This programme is not only applicable to single cylinder engine, is applicable to multi-cylinder engine such as array (side by side) or V-type yet, and this place only is example with the single cylinder engine.
The purpose of this programme is achieved in that a kind of I. C engine distribution mechanism that uses rotary valve plate, comprise enclosing cover, inner cap and rotary valve plate, enclosing cover is associated with the mechanism that is connected cylinder block with the inner cap knot, enclosing cover and in cover suction port and relief opening all arranged, the suction port that covers outward, relief opening with in communicate behind the suction port, relief opening installation that cover; Rotary valve plate has distribution valve opening, rotation positioning and transmission position on the rotary valve plate between enclosing cover and inner cap, rotary valve plate and enclosing cover and inner cap combination constitute can relatively rotate structure; The suction port and the relief opening of inner cap are provided with seal ring.
On the such scheme basis, this programme also has following further step:
Depression position or groove that continuous sealing is arranged around the suction port of described inner cap and the relief opening, seal ring place depression position or groove;
Transmission position on the rotary valve plate is gear or sprocket wheel, or synchronous pulley;
Flexible or the elastic element of described seal ring;
Described seal ring can be ceramic-seal ring;
The distribution valve opening of described rotary valve plate and inner cap, the suction port that covers outward, relief opening are shaped as the class fan shaped borehole.
The advantage of this programme is as follows:
Because, enclosing cover and in cover suction port and relief opening all arranged, the suction port that covers outward, relief opening with in communicate behind the suction port, relief opening installation that cover; Rotary valve plate has distribution valve opening, rotation positioning and transmission position on the rotary valve plate between enclosing cover and inner cap, rotary valve plate and enclosing cover and inner cap constitute can relatively rotate structure; The suction port and the relief opening of inner cap are provided with seal ring.So when inside and outside lid assembly parts connects cylinder body, and the transmission position of rotary valve plate can replace traditional distribution device when rotating by driving component binding engine bent axle.Rotary valve plate is in rotary course, when the distribution valve opening on the rotary valve plate communicates with the inside and outside row who covers, suction port are identical respectively successively, finished no reciprocating rotation distribution action, thereby thoroughly eliminated impact, wearing and tearing and noise that numerous parts such as cam, valve, valve seat, valve guide bushing produce in to-and-fro motion.This programme is not only simple in structure, significantly reduced the quantity of used part, and reliable in action, because the rotary valve plate rotational resistance is little, the seal ring action is fine so consumed power is few, rate of fault is low, the life-span is long, cost is low, reduced take up room and weight, need not the adjusting play in using, more make the inflammable mixture that enters cylinder form spiral and divide the easier realization of attitude (only need arrange the spatial form of inlet and outlet pipeline to realize).Especially be fit to four-stroke compression ignition engine and four-stroke spark ignition motor.
Description of drawings
Accompanying drawing 1 is the general structure schematic representation of this programme.
Accompanying drawing the 2,3, the 4th, each parts unfolded drawing.
In the accompanying drawing 4, figure below is two 25,26 enlarged views that junction point is installed of transmission shaft pair among the last figure.
Embodiment
The mode of execution of this programme is described in detail in detail below in conjunction with accompanying drawing:
A kind of I. C engine distribution mechanism that uses rotary valve plate, structures (this example is got spherical) such as tapered or hemisphere can be done in the firing chamber that enclosing cover 5 and inner cap 14 comprise; There are 4 through holes 6 at enclosing cover 5 edges, and inner cap 14 edges have 4 half hole 20 is installed, and enclosing cover 5 can have bolt to combine cylinder body by hole 6,20 with inner cap 14 and be installed on the motor, and promptly enclosing cover 5 is associated with the mechanism that is connected cylinder block with inner cap 14 knots.But the spark plug via through holes 2 of spark-ignition engine is installed in the threaded spark-plug hole 16 of inner cap; (when enclosing cover 5 is combined on the compression ignition engine with inner cap 14, need not to be provided with through hole 2 and spark-plug hole 16.) enclosing cover 5 has the suction port 3 and the relief opening 4 that is connected exhaust duct that connects the engine charge pipeline, (do not illustrate among the inlet and outlet pipeline figure.) inner cap 14 has suction port 12 and the relief opening 18 that communicates with cylinder, promptly on enclosing cover 5 and the inner cap 14 suction port and relief opening arranged all.Enclosing cover 5 and inner cap 14 installed when combining, and the suction port on the enclosing cover 5, relief opening communicate with suction port, relief opening on the inner cap 14.Rotary valve plate 7 is installed between enclosing cover 5 and the inner cap 14, gear inner cylindrical surface 8 kinks of rotary valve plate 7 are on enclosing cover 5 corresponding cylndrical surface 10, rotary valve plate 7 can rotate between enclosing cover 5 and inner cap 14, distribution valve opening 9 is arranged on the rotary valve plate 7, rotary valve plate 7 is by rotation, distribution valve opening 9 can be successively with inner cap 14, enclosing cover 5 on relief opening 18 (4) and suction port 12 (3) overlap and communicate, finish the distribution process.Suction port on the distribution valve opening 9 of rotary valve plate 7, enclosing cover 5 and the inner cap 14 and the shared angle of relief opening, shape and the angle between them are calculated by the port timing that requires, and on the rotary valve plate 7 suitable installing and locating are arranged.Transmission position on the rotary valve plate 7 can be gear or sprocket wheel, or synchronous pulley etc. (this example is a gear 15, and what cooperate with it is small gear 23).Cavity 1 is arranged on the enclosing cover 5, the interior small gear 23 that holds with gear 15 engagement, (pay for bevel gear by this example by transmission shaft and gear or sprocket wheel or synchronizing wheel for small gear 23.) connect engine crankshaft, (speed of crankshaft: rotary valve plate rotating speed=2: 1) engine crankshaft is rotated two circles and finish four strokes, rotary valve plate 7 revolves three-sixth turn by choosing velocity ratio.In order to reach sealability, the air inlet annular groove 13 and the exhaust annular groove 19 of sealing is set respectively around the suction port 12 of inner cap 14 and relief opening 18, air inlet ring 11 and air exhaust loop 17 are installed in respectively in air inlet annular groove 13 and the exhaust annular groove 19.In case of necessity, air inlet annular groove 13 and exhaust annular groove 19 can also be modified as the depression position that can place air inlet ring 11 and air exhaust loop 17, and the suction port of promptly described inner cap 14 and relief opening have depression position or groove, and seal ring places depression position or groove.
Do not have percussion movement owing to this programme operates steadily, air inlet ring 11 and air exhaust loop 17 can use multiple made such as alloy or pottery.When air inlet ring 11 and air exhaust loop 17 used stupalith to make, promptly described seal ring was a ceramic-seal ring.
In order to make air inlet ring 11 and air exhaust loop 17 good contact seal be arranged with rotary valve plate 7, air inlet ring 11 and air exhaust loop 17 can be in conjunction with spring sheet or springs, spring sheet or spring can place air inlet annular groove 13 and exhaust annular groove 19, maybe can be combined as a whole the flexible or elastic element of promptly described seal ring respectively with air inlet ring 11, air exhaust loop 17.(this example is ring spring sheet 21 and 22.)
When air inlet ring 11 and air exhaust loop 17 uses resilient suitable exotic material to make, can omit elastic element.
In order to increase the breathing area of distribution valve opening 9, suction port 12 (3) and relief opening 18 (4), distribution valve opening 9, suction port 12 (3) and relief opening 18 (4) be shaped as the class fan shaped borehole.Described class is fan-shaped, and promptly it is fan-shaped being projected as of cylinder end face.
The gear 15 at rotary valve plate 7 edges (or sprocket wheel or synchronous pulley) but axial tension is a thin wall circular shape, utilize the cylndrical surface 8 of its inwall and the corresponding site cylndrical surface 10 that covers outward as its rotation positioning, so that on the multi-cylinder engine of compactness, use at cylinder.
This programme has also brought the facility that needs to change the inlet and outlet phase place with rotation speed change, (visible Fig. 4.) promptly as long as change the torsion angle of small gear 23 and 24 transmission shaft pairs of umbrella gear 25,26, promptly parallel mobile little axle 27.And length, torsion angle and the twisted shapes of the distortion groove of the straight trough of transmission shaft one end and the other end all can have design to determine.
This programme is suitable on the high speed four-stroke compression ignition engine of big cylinder diameter of modern times, short stroke and four-stroke spark ignition motor and uses.
This programme more is suitable for modern tank etc. that engine weight, spatial volume and highly reliable, low safeguard etc. are had the special harsh occasion that requires.
And when using on compression ignition internal combustion engine, can cancel the above-mentioned outer through hole that covers 2 and in the spark-plug hole 16 that covers.
Claims (5)
1. I. C engine distribution mechanism that uses rotary valve plate, comprise enclosing cover (5), inner cap (14) and rotary valve plate (7), it is characterized in that, enclosing cover (5) is associated with the mechanism that is connected cylinder block with inner cap (14) knot, on enclosing cover (5) and the inner cap (14) suction port and relief opening are arranged all, the suction port on the enclosing cover (5), relief opening are installed the back coincidence with suction port, relief opening on the inner cap (14) and are communicated; Rotary valve plate (7) is positioned between enclosing cover (5) and the inner cap (14), and valve opening (9), rotation positioning and transmission position are arranged on the rotary valve plate (7), and rotary valve plate (7) constitutes with enclosing cover (5) and inner cap (14) combination can relatively rotate structure; The suction port and the relief opening of inner cap (14) are provided with seal ring and installation position thereof.
2. a kind of I. C engine distribution mechanism that uses rotary valve plate according to claim 1 is characterized in that, the depression position or the groove of sealing arranged around the suction port of described inner cap (14) and the relief opening, and seal ring places depression position or groove.
3. a kind of I. C engine distribution mechanism that uses rotary valve plate according to claim 1 is characterized in that the transmission position on the rotary valve plate (7) is gear or sprocket wheel, or synchronous pulley.
4. a kind of I. C engine distribution mechanism that uses rotary valve plate according to claim 1 is characterized in that, described seal band is flexible or have elastic component.
5. the transmission shaft twist mechanism that can change the inlet and outlet phase place that has according to claim 1 according to rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101457047A CN101900007A (en) | 2009-05-28 | 2009-05-28 | Rotary valve type four-stroke internal combustion engine distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101457047A CN101900007A (en) | 2009-05-28 | 2009-05-28 | Rotary valve type four-stroke internal combustion engine distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101900007A true CN101900007A (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101457047A Pending CN101900007A (en) | 2009-05-28 | 2009-05-28 | Rotary valve type four-stroke internal combustion engine distribution device |
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| Country | Link |
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| CN (1) | CN101900007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110584530A (en) * | 2019-08-08 | 2019-12-20 | 郭绍华 | Industrial dust collector adopting hollow fiber membrane filter element |
-
2009
- 2009-05-28 CN CN2009101457047A patent/CN101900007A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110584530A (en) * | 2019-08-08 | 2019-12-20 | 郭绍华 | Industrial dust collector adopting hollow fiber membrane filter element |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101201 |