CN106703927A - Novel valve mechanism for engine - Google Patents
Novel valve mechanism for engine Download PDFInfo
- Publication number
- CN106703927A CN106703927A CN201710108645.0A CN201710108645A CN106703927A CN 106703927 A CN106703927 A CN 106703927A CN 201710108645 A CN201710108645 A CN 201710108645A CN 106703927 A CN106703927 A CN 106703927A
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- CN
- China
- Prior art keywords
- valve
- rotary
- air
- shaft
- exhaust
- 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
Links
Classifications
-
- 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
- F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
- F01L7/02—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves
-
- 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
- F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
- F01L7/16—Sealing or packing arrangements specially therefor
-
- 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
- F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
- F01L7/18—Component parts, details, or accessories not provided for in preceding subgroups of this group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/12—Arrangements for cooling other engine or machine parts
- F01P3/14—Arrangements for cooling other engine or machine parts for cooling intake or exhaust valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
-
- 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
- F01L2313/00—Rotary valve drives
-
- 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
- F01L2810/00—Arrangements solving specific problems in relation with valve gears
- F01L2810/01—Cooling
Abstract
The invention discloses a novel valve mechanism for an engine, which comprises a cylinder body, a piston, a crankshaft, a connecting rod and a sparking plug, and the structure of an air inlet valve shaft and an exhaust valve shaft is adopted; the air inlet valve shaft and the exhaust valve shaft are provided with rotary valves, an avoiding notch as an airflow passage is arranged on one side of the rotary valves, and a time sequence of the air inlet rotary valve and the exhaust port rotary valve is respectively controlled by a drive mechanism, such that the air inlet rotary valve and the exhaust port rotary valve are periodically ventilated or closed. According to the novel valve mechanism, a plurality of hollow cylindrical arc surfaces of one hollow shaft are provided with openings as the air inlet and exhaust port, metal sealing rings are arranged on both sides of the rotary valves, metal sealing strips fitted with a cylindrical valve are arranged on left and right sides of a valve seat, and air inlet and exhaust passages are regularly opened and closed according to a firing order of the engine and working cycle requirements of respective cylinders, such that fresh air enters the cylinder timely, and exhaust gas is exhausted from the cylinder timely.
Description
Technical field
The invention belongs to Valve System of Internal Combustion Engine technical field, and in particular to a kind of structure simplifies and cools down work(with valve
The new work engine valve actuating mechanism of energy.
Background technology
Modern automobile engine air distributing device is made up of valve group and valve transmission group two parts.Valve group includes gas
Door, valve seating, valve guide bushing, valve spring, spring base and locking plate etc.；Valve train group includes timing gears, timing chain（Skin
Band）, camshaft, tappet, push rod, adjusting screw, rocking arm, rocker arm shaft etc..Its effect is according to engine ignition order and each cylinder
The requirement of working cycles, time opening and closing inlet and outlet door, make live gas timely enter cylinder, and waste gas discharges gas in time
Cylinder.
The problem of presence：1st, inlet and outlet efficiency is influenceed by the construction of inlet and outlet door, and maximum can not be reached in effective time
Inlet and outlet amount.Inlet and outlet door is bacterial type structure, and during inlet and outlet, air-flow is both needed to bypass valve top, and influence is instantaneously entered, arranges
Tolerance；2nd, valve group parts are more, and frictional resistance is big；3rd, valve it is closed need in the presence of tension spring could it is closed, fortune
Row resistance is big, consumption of engine power；4th, it is limited to combustion chamber position to be limited, so far, existing engine cannot be in gas
Cooling passage is arranged on gate seat periphery, and coolant can not be flowed through herein, and combustion chamber and inlet and outlet door cannot be cooled down effectively.Especially
It is exhaust valve position, and the temperature highest of normal time service, valve ablation is more serious than inlet valve.High temperature is also easy to produce pinking,
Influence the further raising of engine compression ratio；5th, valve opening, drive disk assembly needed for closing are more, and the influence of its response speed is started
Machine rotating speed is further improved；6th, more valve group parts increased the volume of engine, weight；7th, timing gears dislocation
When, it is easily caused valve, Remedy for Piston Damage.
The content of the invention：
Present invention employs integrated structure, camshaft is united two into one with valve, form shaft type rotary valve.According to engine
Firing order and the requirement of each cylinder working circulation, time opening and closing inlet and outlet road, make live gas timely enter cylinder,
Waste gas discharges cylinder in time.
The technical scheme of use：A kind of new work engine valve actuating mechanism, including cylinder block, piston, crankshaft-and-connecting-rod, and
Spark plug, intake valve axle and exhaust valve axle construction are respectively adopted positioned at the inlet valve and exhaust valve of top of combustion chamber；Air inlet
Rotary valve on air valve shaft and exhaust valve axle at least provided with an external diameter more than the protrusion of air valve shaft external diameter；The rotary pneumatic
The side of door is provided with resigning breach as gas channel, and resigning breach takes a quarter of rotary valve circumference；Positioned at combustion
The air inlet and exhaust outlet for burning ceiling portion are matched and in sealing contact with corresponding rotary valve outer surface profile respectively；By driving
Mechanism controls the order of air inlet rotary valve and exhaust outlet rotary valve respectively, realizes air inlet rotary valve and exhaust outlet rotation
Turn valve to be ventilated by the cycle or closed；Meanwhile, the shaft core position of the air valve shaft is provided with axial cooling duct, axially cooling
Passage is provided with radial passage positioned at air valve shaft both ends, and is provided with what is communicated with cooling fluid passage in radial passage outer side seal
Valve axle bed, the valve axle bed communicated with cooling fluid passage is provided with inner chamber and fluidic interface, and inner chamber is docked with corresponding radial passage；
Being driven by water pump makes coolant constitute air valve shaft cooling system by the valve axle bed that the axial passage and cooling fluid passage are communicated
System.
Valve sealing piece is respectively arranged with the both sides of air inlet or exhaust outlet and rotary valve contact area, while in institute
The periphery two ends for stating rotary pneumatic door-hinge are respectively arranged with sealing ring, so that sealing ring surrounds sealing with its both sides valve sealing piece
Separation layer.
Cylinder block cooling chamber is provided with the middle part of the inwall of the cylinder block, housing cooling system is constituted by water pump.
The air valve shaft cooling system and housing cooling system are the structures after water pump drives coolant to enter cooling system
Into cooling loop.
Circle is provided between valve axle bed that cooling fluid passage on the outside of the radial passage is communicated and air valve shaft surface
All sealing rings.Air valve shaft is arranged on on the air valve shaft bearing base of cylinder head one, and air valve shaft bearing upper cover will by bolt
Air valve shaft is fixed, and air valve shaft inside rotates.
The present invention is used as inlet and outlet mouthful, rotary pneumatic by the N number of hollow cylindrical cambered surface upper shed on a quill shaft
Door both sides are equipped with metallic packing ring, and valve seating the right and left is equipped with the metal sealing piece fitted with cylindrical valve, according to starting
Machine firing order and the requirement of each cylinder working circulation, time opening and closing inlet and outlet road, make live gas timely enter gas
Cylinder, waste gas discharges cylinder in time.Have the advantages that：
1st, the inlet and outlet resistance of existing valve bacterial type construction is avoided, is improved into row, gas efficiency；
2nd, the parts of valve actuating mechanism are greatly reduced, frictional force is reduced；
3rd, running resistance is small, reduces engine power consumption；
4th, hollow inlet and outlet axle and the hollow rotating valve with axle one, can allow the coolant for flowing through to take away heat rapidly,
Top of combustion chamber is winding is effectively cooled, and improves compression ratio and Ulva Pertusa ability；
5th, inlet and outlet mechanism can further improve engine speed without unnecessary drive disk assembly；
6th, volume, the weight of engine are reduced, engine center of gravity also can be reduced accordingly, increased the stability of vehicle.
7th, when timing gears misplace, other parts such as piston will not be damaged.
8th, fuel economy can be improved.
Brief description of the drawings：
Fig. 1 is the cross-sectional view of valve axle type engine；
Fig. 2 is the stroke state schematic diagram of Fig. 1；
Fig. 3 is the part section structural representation of air inlet door-hinge in Fig. 1；
Fig. 4 is that Fig. 3 rotates the view after 90 degree；
Fig. 5 is A-A cross-sectional views in Fig. 4；
Fig. 6 is the running part side structure schematic diagram of Fig. 5.
In figure, label 1 is cylinder block, and 2 is piston, and 3 is bent axle, and 4 is connecting rod, and 5 is the connecting-rod bearing, and 6 is combustion chamber, and 7 are
Air valve shaft, 81 is air inlet rotary valve, and 82 is exhaust outlet rotary valve, and 91 is air inlet, and 92 is exhaust outlet, and 10 is logical for air-flow
Road, 11 is axial cooling duct, and 12 is cylinder block cooling chamber, and 13 is valve sealing piece one, and 14 is valve sealing piece two, and 15 is cylinder
Body skirt section（Crankcase）, 16 is oil sump, and 17 is spark plug, and 18 is sealing ring, and 19 is the valve axle bed communicated with cooling fluid passage
Entrance point, 20 is the valve axle bed port of export communicated with cooling fluid passage, and 21 is inlet, and 22 is liquid outlet, and 23 is radial passage,
24 is circumferential sealing ring, and 25 is valve axle bed, and 25 ' is bearing upper cover, and 26 is air valve shaft timing gears, and 27 is driving gear, 27
It is worm screw, 28 is drive mechanism, and 29 is valve bearing upper cover fixing bolt, and 30 is cooling system and water pump.
Specific embodiment：
Engine valve actuating mechanism as shown in Figure 1, including such as cylinder block 1 of traditional engine construction, piston 2, bent axle 3 and connecting rod
4, and the grade part of spark plug 17.On the basis of conventional engines, the inlet valve and exhaust valve point of top of combustion chamber will be located at
Intake valve axle and exhaust valve axle construction are not designed as.
Specifically, referring to Fig. 3 and Fig. 4, four are set on intake valve axle and exhaust valve axle（Quantity is not limited）External diameter
More than the rotary valve of the protrusion of air valve shaft external diameter.The side of rotary valve is provided with resigning breach as gas channel 10, allows
Position breach takes a quarter of rotary valve circumference.
Air inlet 91 and exhaust outlet 92 positioned at top of combustion chamber are matched with corresponding rotary valve outer surface profile respectively
And it is in sealing contact.For example, it is close with rotary valve contact area to be respectively arranged with valve in the both sides of air inlet 91 or exhaust outlet 92
Mounting, while sealing ring 18 is respectively arranged with the periphery two ends of the rotary pneumatic door-hinge, so that sealing ring 18 and its both sides
Valve sealing piece surrounds sealing isolation layer.
By drive mechanism 28（Or timing chain）The rotary valve 81 of air inlet 91 and exhaust outlet rotary valve are controlled respectively
82 order, realizes that air inlet rotary valve 81 and exhaust outlet rotary valve 82 are ventilated or closed by the cycle.Drive mechanism 28 can
Driving gear 27 is driven with by motor（Or worm screw 27 '）Rotation, then drives air valve shaft timing gears 26 to rotate, air valve shaft again
Timing gears 26 are installed on corresponding air valve shaft, as Figure 4-Figure 6.
Meanwhile, as Figure 1-Figure 5, the shaft core position of the air valve shaft is provided with axial cooling duct 11, it is axially cold
But passage 11 is provided with radial passage 23 positioned at air valve shaft both ends, and is provided with and coolant in the outer side seal of radial passage 23
The valve axle bed that road is communicated, the valve axle bed communicated with cooling fluid passage is provided with inner chamber and fluidic interface, and cooling fluid passage is communicated
Docked with corresponding radial passage 23 inner chamber of valve axle bed.Such as the valve axle bed entrance point 19 that in Fig. 3, is communicated with cooling fluid passage and
The valve axle bed port of export communicated with cooling fluid passage.Being driven by water pump makes coolant by the axial passage and cooling fluid passage
The valve axle bed for communicating constitutes air valve shaft cooling system.The air valve shaft that cooling fluid passage positioned at the outside of the radial passage 23 is communicated
Circumferential sealing ring 24 is provided between seat and air valve shaft surface.Air valve shaft is arranged on the air valve shaft bearing base with cylinder head one
On, air valve shaft bearing upper cover is fixed air valve shaft by bolt, and air valve shaft inside rotates.
In addition, cylinder block cooling chamber 12 is also equipped with the middle part of the inwall of the cylinder block 1, by drive mechanism and water pump
Constitute housing cooling system.
The air valve shaft cooling system or housing cooling system are the structures after water pump drives coolant to enter cooling system
Into cooling loop.
Suction stroke as shown in A in Fig. 2.Intake valve axle air inlet openings are connected with air inlet pipe, and air-flow can be with without hindrance
Ground enters cylinder, completion engine first job stroke-enter（Inhale）Gas.Now piston is in bottom dead center position, exhaust valve
Exhaust port is then closed on axle.
Compression travel as shown in B in Fig. 2.Air inlet side air valve shaft air inlet openings are rotated by 90 °, and air intake duct is broken with combustion chamber
Open, closed cavity is formed in cylinder, will be compressed into gas, complete engine work second stroke --- compressed line
Journey；Now piston is in top dead center position, and exhaust port is rotated by 90 ° on exhaust valve axle, still in closed mode.
Outburst as shown in C in Fig. 2（Acting）Stroke.Spark ignitor combustion chamber compressing inflammable mixture gas body, promotes and lives
Plug workmanship comes downwards to lower dead center, and inlet and outlet axle continues to be rotated by 90 ° simultaneously, and cylinder is still confined space, completes engine work the
Three stroke-outbursts（Work done）, export power.
Instroke as shown in D in Fig. 2.Piston by lower dead center it is up when, exhaust valve axle is rotated by 90 °, exhaust port
Communicated with blast pipe, waste gas discharges cylinder under piston stroking upward thrust.Now, air inlet door-hinge is simultaneously rotated 90 °.Wait to live
When filling in descending, inlet and outlet axle continues to be rotated by 90 ° simultaneously, and Intake shaft opening communicates with air intake duct, and exhaust shaft opening is closed, to enter
Row enters next time（Inhale）Gas stroke.
The type of drive of shaft type rotary valve can also use timing chain（Belt）Transmission and two kinds of modes of motor-driven.
Claims (6)
1. a kind of new work engine valve actuating mechanism, including cylinder block, piston, crankshaft-and-connecting-rod, and spark plug, it is characterized in that：
Intake valve axle and exhaust valve axle construction is respectively adopted positioned at the inlet valve and exhaust valve of top of combustion chamber；Intake valve axle and
Rotary valve on exhaust valve axle at least provided with an external diameter more than the protrusion of air valve shaft external diameter；The side of the rotary valve
Resigning breach is provided with as gas channel, resigning breach takes a quarter of rotary valve circumference；Positioned at top of combustion chamber
Air inlet and exhaust outlet respectively with corresponding rotary valve outer surface profile match and it is in sealing contact；Distinguished by drive mechanism
The order of control air inlet rotary valve and exhaust outlet rotary valve；Meanwhile, the shaft core position of the air valve shaft is provided with axle
To cooling duct, axial cooling duct is provided with radial passage positioned at air valve shaft both ends, and in radial passage outer side seal peace
Equipped with the valve axle bed communicated with cooling fluid passage, the valve axle bed communicated with cooling fluid passage is provided with inner chamber and fluidic interface, interior
Docked with corresponding radial passage in chamber；The valve for making coolant be communicated by the axial passage and cooling fluid passage is driven by water pump
Axle bed constitutes air valve shaft cooling system.
2. new work engine valve actuating mechanism according to claim 1, it is characterized in that：The both sides of air inlet or exhaust outlet with
Rotary valve contact area is respectively arranged with valve sealing piece, while being respectively provided with the periphery two ends of the rotary pneumatic door-hinge
There is sealing ring, so that sealing ring surrounds sealing isolation layer with its both sides valve sealing piece.
3. new work engine valve actuating mechanism according to claim 1, it is characterized in that：Set in the middle part of the inwall of the cylinder block
Cylinder block cooling chamber is equipped with, housing cooling system is constituted by drive mechanism.
4. the new work engine valve actuating mechanism according to claim 1 or 3, it is characterized in that：The air valve shaft cooling system or
Housing cooling system is to constitute cooling loop after water pump drives coolant to enter cooling system.
5. new work engine valve actuating mechanism according to claim 1, it is characterized in that：It is cold on the outside of the radial passage
But circumferential sealing ring is provided between fluid passage is communicated valve axle bed and air valve shaft surface.
6. new work engine valve actuating mechanism according to claim 1, it is characterized in that：Air valve shaft is arranged on cylinder head integrally
Air valve shaft bearing base on, air valve shaft bearing upper cover is fixed air valve shaft by bolt, and air valve shaft inside rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108645.0A CN106703927A (en) | 2017-02-27 | 2017-02-27 | Novel valve mechanism for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108645.0A CN106703927A (en) | 2017-02-27 | 2017-02-27 | Novel valve mechanism for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106703927A true CN106703927A (en) | 2017-05-24 |
Family
ID=58917754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710108645.0A Pending CN106703927A (en) | 2017-02-27 | 2017-02-27 | Novel valve mechanism for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106703927A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441586A (en) * | 2018-12-29 | 2019-03-08 | 郑二帅 | A kind of inlet and outlet mode based on internal combustion engine |
| CN109882261A (en) * | 2019-03-31 | 2019-06-14 | 唐山学院 | Engine can revolve valve gear |
| CN109958490A (en) * | 2017-12-26 | 2019-07-02 | 宫含洋 | Hold in the palm watt rotary distribution engine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198946A (en) * | 1977-06-03 | 1980-04-22 | Rassey Louis J | Rotary valve construction for an internal combustion engine |
| WO1991019889A1 (en) * | 1990-06-20 | 1991-12-26 | Group Lotus Plc | Internal combustion engine and an improved rotary inlet valve for use therewith |
| GB2335463A (en) * | 1998-03-19 | 1999-09-22 | Alan Taylor Falkous | Rotary valve shaft for i.c. engines |
| CN1452693A (en) * | 2000-09-08 | 2003-10-29 | 乔治·J·科茨 | Improved cooling system for rotary valve engine |
| CN1584299A (en) * | 2004-06-01 | 2005-02-23 | 张子生 | Rotary valve actuating apparatus of IC engine |
| CN101457669A (en) * | 2008-11-26 | 2009-06-17 | 绵阳新晨动力机械有限公司 | Rotating valve mechanism for internal combustion engine |
| CN201982153U (en) * | 2011-01-26 | 2011-09-21 | 冯伟坚 | Rotary type cylinder engine valve actuating mechanism with gap |
| CN206495701U (en) * | 2017-02-27 | 2017-09-15 | 牛清锋 | New work engine valve actuating mechanism |
-
2017
- 2017-02-27 CN CN201710108645.0A patent/CN106703927A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198946A (en) * | 1977-06-03 | 1980-04-22 | Rassey Louis J | Rotary valve construction for an internal combustion engine |
| WO1991019889A1 (en) * | 1990-06-20 | 1991-12-26 | Group Lotus Plc | Internal combustion engine and an improved rotary inlet valve for use therewith |
| GB2335463A (en) * | 1998-03-19 | 1999-09-22 | Alan Taylor Falkous | Rotary valve shaft for i.c. engines |
| CN1452693A (en) * | 2000-09-08 | 2003-10-29 | 乔治·J·科茨 | Improved cooling system for rotary valve engine |
| CN1584299A (en) * | 2004-06-01 | 2005-02-23 | 张子生 | Rotary valve actuating apparatus of IC engine |
| CN101457669A (en) * | 2008-11-26 | 2009-06-17 | 绵阳新晨动力机械有限公司 | Rotating valve mechanism for internal combustion engine |
| CN201982153U (en) * | 2011-01-26 | 2011-09-21 | 冯伟坚 | Rotary type cylinder engine valve actuating mechanism with gap |
| CN206495701U (en) * | 2017-02-27 | 2017-09-15 | 牛清锋 | New work engine valve actuating mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958490A (en) * | 2017-12-26 | 2019-07-02 | 宫含洋 | Hold in the palm watt rotary distribution engine |
| CN109441586A (en) * | 2018-12-29 | 2019-03-08 | 郑二帅 | A kind of inlet and outlet mode based on internal combustion engine |
| CN109882261A (en) * | 2019-03-31 | 2019-06-14 | 唐山学院 | Engine can revolve valve gear |
| CN109882261B (en) * | 2019-03-31 | 2024-03-12 | 唐山学院 | Rotary valve device of engine |
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