CN103233790A - Engine air distribution mechanism - Google Patents
Engine air distribution mechanism Download PDFInfo
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- CN103233790A CN103233790A CN201310147191XA CN201310147191A CN103233790A CN 103233790 A CN103233790 A CN 103233790A CN 201310147191X A CN201310147191X A CN 201310147191XA CN 201310147191 A CN201310147191 A CN 201310147191A CN 103233790 A CN103233790 A CN 103233790A
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- chute
- push rod
- piston motion
- motion push
- cylinder
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Abstract
The invention relates to an engine air distribution mechanism which comprises a cylinder and a piston. A central through hole is arranged on the cylinder, a piston movement ejector rod is arranged on the piston, a projecting slider is arranged on the piston movement ejector rod, a rotating valve is arranged on the upper portion of the cylinder, a round cover is arranged on the lower portion of the rotating valve, a central hole is arranged on the round cover, a cylindrical cavity is arranged on the central hole and communicated with the central hole, an air hole is arranged on the side of the central hole on the round cover, an inclined sliding groove is arranged on the inner wall of the cylindrical cavity, the cylindrical cavity penetrates out of the central through hole on the cylinder, the piston movement ejector rod penetrates into the cylindrical cavity on the 'hat'-shaped rotating valve from the central hole on the round cover, and the projecting slider on the piston movement ejector rod is embedded into the sliding groove on the inner wall of the cylindrical cavity. The engine air distribution mechanism is simple in structure, lower in manufacturing cost and more convenient to assemble and maintain, and has the advantages that grease or graphite for lubricating can be poured into the valve, and oil for lubricating is no longer extracted from the bottom of an engine.
Description
Technical field
The present invention relates to a kind of engine valve actuating mechanism.
Background technique
At present, existing engine valve actuating mechanism all comprises air inlet, exhaust gear, and air inlet, exhaust structure are comparatively complicated, and the whole manufacture cost of engine valve actuating mechanism is also higher, and is comparatively cumbersome when installation, maintenance, brings very big inconvenience to the assembly and disassembly maintenance.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, the engine valve actuating mechanism that assembly and disassembly are easy to maintenance.
The objective of the invention is to be achieved through the following technical solutions:
The present invention comprises cylinder and piston, its characteristics are: described cylinder is provided with central hole, described piston is provided with piston motion push rod, piston motion push rod is provided with boss slider, described cylinder top is provided with the rotary valve body, the rotary valve body is " carnival hat " shape, be a dome under described " carnival hat " shape rotary valve body, dome is provided with center hole, center hole is provided with a chamber, the tube chamber communicates with center hole, centre hole side is provided with pore on the described dome, described tube cavity wall is provided with chute, chute is inclined to set, and described tube chamber passes from the center hole on the cylinder, and described piston motion push rod penetrates the center hole from dome in the tube chamber on " carnival hat " shape rotary valve body, in the chute on the boss slider embedding tube cavity wall on the described piston motion push rod, the boss slider on the piston motion push rod can be slided in the groove on the tube cavity wall.
Be provided with breather line in the above-mentioned piston motion push rod, described breather line is that an end mouth of pipe is located at piston motion push rod upper end, and an other end mouth of pipe is located on the sidewall of piston motion push rod bottom.
The perforation of above-mentioned cylinder axis is provided with bearing, and described piston motion push rod penetrates in the tube chamber on " carnival hat " shape rotary valve body by bearing.
Above-mentioned chute is arranged to four roads continuously around the tube cavity wall, is respectively: air inlet chute, compression chute, work done chute and exhaust chute are interconnected between chute.
Above-mentioned air inlet chute, compression chute, work done chute and the exhaust chute place of being interconnected are provided with vertical guiding groove.
Above-mentioned compression chute and work done chute are same chute, compression chute and work done chute are vertical shape and are arranged on the cavity wall, air inlet chute and exhaust chute are inclined to set on the tube cavity wall, air inlet chute and exhaust chute are interconnected, and air inlet chute and exhaust chute are connected with compression chute and work done chute on vertically being arranged on a cavity wall.
The present invention compared with prior art, engine valve actuating mechanism is simple in structure, its manufacture cost reduces, all convenient for assembling and maintenance, with this simultaneously, because its structural feature, seal when valve rotation, grinding mutually, flatness and work done is better, and being difficult for the carbon deposit coking on the valve, air door body can inject grease or graphite lubrication besides, need not to extract from the motor bottom characteristics of oil lubricating again.
Description of drawings
Fig. 1 is structure sectional view of the present invention.
Fig. 2 is rotary valve body sectional view among Fig. 1.
Fig. 3 is that the A-A of Fig. 2 is to sectional view.
Fig. 4 is the plan view of Fig. 2.
Fig. 5 is piston structure schematic representation among Fig. 1.
Fig. 6 is cylinder sectional view among Fig. 1.
Fig. 7 is the plan view of Fig. 6.
Fig. 8 is that Fig. 2 rotary valve body tube cavity wall launches schematic representation.
Fig. 9 is rotary valve body tube cavity wall embodiment 4 expansion schematic representation.
In the diagram: 1 is cylinder, and 2 is dome, and 3 is pore, and 4 is the tube chamber, 5 is chute, and 6 is boss slider, and 7 is piston motion push rod, hole centered by 8,9 is piston, 10 are the air inlet chute, 11 is vertical guiding groove, and 12 are the compression chute, and 13 are the work done chute, 14 for the exhaust chute, and 15 be intake valve, bores a hole centered by 16,17 is exhaust valve, and 101 is bearing, and 701 is breather line.
Embodiment
Embodiment 1: with reference to accompanying drawing 1～8, comprise cylinder 1 and piston 9, described cylinder 1 is provided with central hole 16, described piston 9 is provided with piston motion push rod 7, piston motion push rod 7 is provided with boss slider 6, described cylinder 1 top is provided with the rotary valve body, described rotary valve body is " carnival hat " shape, be a dome 2 under described " carnival hat " shape rotary valve body, dome 2 is provided with center hole 8, center hole 8 is provided with a chamber 4, tube chamber 4 communicates with center hole 8, dome 2 covers cylinder 1 inner chamber, make cylinder 1 airtight, center hole 8 sides are provided with pore 3 on the described dome 2, described tube chamber 4 inwalls are provided with chute 5, chute 5 is inclined to set, chute 5 is arranged to four roads continuously around tube chamber 4 inwalls, be respectively: air inlet chute 10, compression chute 12, work done chute 13 and exhaust chute 14, air inlet chute 10, compression chute 12, work done chute 13 and exhaust chute 14 are interconnected, described tube chamber 4 passes from the central hole 16 on the cylinder 1, penetrate the center hole 8 of described piston motion push rod 7 from dome 2 in the tube chamber 4 on " carnival hat " shape rotary valve body, in the chute 5 that boss slider 6 on the described piston motion push rod 7 embeds on the cavity wall, boss slider 6 on the piston motion push rod 7 can be slided in the chute 5 on 4 inwalls of tube chamber, be provided with breather line 701 in the described piston motion push rod 7, described breather line 701 is that an end mouth of pipe is located at piston motion push rod 7 upper ends, and an other end mouth of pipe is located on the sidewall of piston motion push rod 7 bottoms.
Embodiment 2: compare difference with embodiment 1 and be: described cylinder 1 central hole 16 is provided with bearing 101, described piston motion push rod 7 by bearing 101 penetrate on " carnival hat " shape rotary valve body the tube chamber 4 in.
Embodiment 3: compare difference with embodiment 1 and be: described air inlet chute 10, compression chute 12, work done chute 13 and exhaust chute 14 places of being interconnected are provided with vertical guiding groove 11.
Embodiment 4: compare difference with reference to accompanying drawing 9 with embodiment 1 and be: described compression chute 12 and work done chute 13 are same chute, compression chute 12 and work done chute 13 are vertical shape and are arranged on 4 inwalls of a chamber, air inlet chute 10 and exhaust chute 14 are inclined to set on 4 inwalls of tube chamber, air inlet chute 10 and exhaust chute 14 are interconnected, and air inlet chute 10 and exhaust chute 14 are connected with compression chute 12 and work done chute 13 on vertically being arranged on a chamber 4 inwalls.
Working procedure of the present invention: the intake valve 15 on the cylinder 1 and exhaust valve 17 are all sealed by the dome 2 of rotary valve body, when piston 9 works done in the cylinder 1 move up and down, piston motion push rod 7 just moves up and down in the chute 5 in the tube chamber 4 of valve solid of rotation, because the chute 5 on tube chamber 4 inwalls is obliquely installed around inwall, a chamber 4 is rotated, the described dome 2 that covers on cylinder 1 and then just rotates, pore 3 on the dome 2 will rotate with dome 2, when the pore 3 on the dome 2 goes on the intake valve 15 on the cylinder 1, intake valve 15 is just opened, when the pore 3 on the dome 2 goes on the exhaust valve 17 on the cylinder 1, exhaust valve 17 is just opened, when compression and work done, intake valve 16 and exhaust valve 17 are all sealed by dome 2.
Claims (6)
1. engine valve actuating mechanism, comprise cylinder and piston, it is characterized in that: described cylinder is provided with central hole, described piston is provided with piston motion push rod, piston motion push rod is provided with boss slider, described cylinder head is provided with the rotary valve body, the rotary valve body is " carnival hat " shape, be a dome under described " carnival hat " shape rotary valve body, dome is provided with center hole, center hole is provided with a chamber, the tube chamber communicates with center hole, centre hole side is provided with pore on the described dome, and described tube cavity wall is provided with chute, and chute is inclined to set, described tube chamber passes from the center hole on the cylinder, described piston motion push rod penetrates the center hole from dome in the tube chamber on " carnival hat " shape rotary valve body, and boss slider on the described piston motion push rod embeds in the chute on the tube cavity wall, and the boss slider on the piston motion push rod can be slided in the groove on the tube cavity wall.
2. engine valve actuating mechanism according to claim 1, it is characterized in that: be provided with breather line in the described piston motion push rod, described breather line is that an end mouth of pipe is located at piston motion push rod upper end, and an other end mouth of pipe is located on the sidewall of piston motion push rod bottom.
3. engine valve actuating mechanism according to claim 1 is characterized in that: described cylinder axis perforation is provided with bearing, and described piston motion push rod penetrates in the tube chamber on " carnival hat " shape rotary valve body by bearing.
4. engine valve actuating mechanism according to claim 1, it is characterized in that: described chute is arranged to four roads continuously around the tube cavity wall, is respectively: air inlet chute, compression chute, work done chute and exhaust chute are interconnected between chute.
5. engine valve actuating mechanism according to claim 4 is characterized in that: described air inlet chute, compression chute, work done chute and the exhaust chute place of being interconnected are provided with vertical guiding groove.
6. according to claim 4 or 5 described engine valve actuating mechanisms, it is characterized in that: described compression chute and work done chute are same chute, compression chute and work done chute are vertical shape and are arranged on the cavity wall, air inlet chute and exhaust chute are inclined to set on the tube cavity wall, air inlet chute and exhaust chute are interconnected, and air inlet chute and exhaust chute are connected with compression chute and work done chute on vertically being arranged on a cavity wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147191.XA CN103233790B (en) | 2013-04-23 | 2013-04-23 | Engine air distribution mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147191.XA CN103233790B (en) | 2013-04-23 | 2013-04-23 | Engine air distribution mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103233790A true CN103233790A (en) | 2013-08-07 |
| CN103233790B CN103233790B (en) | 2015-05-20 |
Family
ID=48881852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310147191.XA Expired - Fee Related CN103233790B (en) | 2013-04-23 | 2013-04-23 | Engine air distribution mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103233790B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1698040A (en) * | 1926-10-11 | 1929-01-08 | Forest F White | Oscillating valve |
| US3274901A (en) * | 1964-09-28 | 1966-09-27 | Oscar A Yost | Oscillating port valve |
| US3603299A (en) * | 1968-03-09 | 1971-09-07 | Enrico Lamperti | Rotating distributor device seated within the cylinder head for endothermic two- or four-stroke-cycle or diesel engines |
| CN2546634Y (en) * | 2002-06-19 | 2003-04-23 | 钟铃 | Rotary air door internal combustion engine |
| CN101033699A (en) * | 2007-04-16 | 2007-09-12 | 靳宇男 | Coaxial sliding air gate device |
| CN203248217U (en) * | 2013-04-23 | 2013-10-23 | 王为民 | Engine valve timing mechanism |
-
2013
- 2013-04-23 CN CN201310147191.XA patent/CN103233790B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1698040A (en) * | 1926-10-11 | 1929-01-08 | Forest F White | Oscillating valve |
| US3274901A (en) * | 1964-09-28 | 1966-09-27 | Oscar A Yost | Oscillating port valve |
| US3603299A (en) * | 1968-03-09 | 1971-09-07 | Enrico Lamperti | Rotating distributor device seated within the cylinder head for endothermic two- or four-stroke-cycle or diesel engines |
| CN2546634Y (en) * | 2002-06-19 | 2003-04-23 | 钟铃 | Rotary air door internal combustion engine |
| CN101033699A (en) * | 2007-04-16 | 2007-09-12 | 靳宇男 | Coaxial sliding air gate device |
| CN203248217U (en) * | 2013-04-23 | 2013-10-23 | 王为民 | Engine valve timing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103233790B (en) | 2015-05-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20170423 |