CN203248217U - Engine valve timing mechanism - Google Patents
Engine valve timing mechanism Download PDFInfo
- Publication number
- CN203248217U CN203248217U CN 201320215130 CN201320215130U CN203248217U CN 203248217 U CN203248217 U CN 203248217U CN 201320215130 CN201320215130 CN 201320215130 CN 201320215130 U CN201320215130 U CN 201320215130U CN 203248217 U CN203248217 U CN 203248217U
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- CN
- China
- Prior art keywords
- chute
- cylinder
- push rod
- piston movement
- movement push
- 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.)
- Expired - Lifetime
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to an engine valve timing mechanism which comprises an air cylinder and a piston. A central penetrating hole is formed in the air cylinder, a piston motion ejector rod is arranged on the piston, a protrusion sliding block is arranged on the piston motion ejector rod, a rotating valve body is arranged on the upper portion of the air cylinder, a round cover is arranged below the rotating valve body, a central hole is formed in the round cover, a cylinder cavity is formed in the central hole, and the cylinder cavity is communicated with the central hole. An air hole is formed in the side, where the central hole is formed, of the round cover, a sliding groove is formed in the inner wall of the cylinder cavity, the sliding groove is arranged in an inclined mode, the cylinder cavity penetrates through the central hole of the air cylinder, the piston motion ejector rod penetrates into the cylinder cavity of the hat-shaped rotating valve body from the central hole in the round cover, and the protrusion sliding block of the piston motion ejector rod is embedded in the sliding groove in the inner wall of the cylinder cavity. The engine valve timing mechanism has the advantages of being simple in structure, low in manufacturing cost, more convenient to assemble and maintain, and free of extracting engine oil from the bottom of an engine to conduct lubrication due to the fact that grease or graphite can be injected into the valve body to conduct lubrication.
Description
Technical field
The utility model 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 large inconvenience to the assembly and disassembly maintenance.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, the engine valve actuating mechanism that assembly and disassembly are easy to maintenance.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises cylinder and piston, its characteristics are: described cylinder is provided with central hole, described piston is provided with the piston movement push rod, the piston movement 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 cylinder chamber communicates with center hole, centre hole side is provided with pore on the described dome, described cylinder cavity wall is provided with chute, chute is inclined to set, and described cylinder chamber passes from the center hole on the cylinder, and described piston movement push rod penetrates the center hole from dome in the cylinder chamber on " carnival hat " shape rotary valve body, in the chute on the boss slider embedding cylinder cavity wall on the described piston movement push rod, the boss slider on the piston movement push rod can be slided in the groove on the cylinder cavity wall.
Be provided with breather line in the above-mentioned piston movement push rod, described breather line is that an end mouth of pipe is located at piston movement push rod upper end, and an other end mouth of pipe is located on the sidewall of piston movement push rod bottom.
The perforation of above-mentioned cylinder axis is provided with bearing, and described piston movement push rod penetrates in the cylinder chamber on " carnival hat " shape rotary valve body by bearing.
Above-mentioned chute is arranged to four roads continuously around the cylinder 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 cylinder 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 utility model 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, mutually grinding, 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 the characteristics from the oil lubrication of engine bottom extraction machine again.
Description of drawings
Fig. 1 is structure sectional view of the present utility model.
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 diagram 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 cylinder cavity wall launches schematic diagram.
Fig. 9 is rotary valve body cylinder cavity wall embodiment 4 expansion schematic diagram.
In the diagram: 1 is cylinder, and 2 is dome, and 3 is pore, and 4 is the cylinder chamber, 5 is chute, and 6 is boss slider, and 7 is the piston movement 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 movement push rod 7, piston movement 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, cylinder 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 cylinder chamber 4 inwalls are provided with chute 5, chute 5 is inclined to set, chute 5 is arranged to four roads continuously around cylinder 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 cylinder chamber 4 passes from the central hole 16 on the cylinder 1, penetrate the center hole 8 of described piston movement push rod 7 from dome 2 in the cylinder chamber 4 on " carnival hat " shape rotary valve body, in the chute 5 that boss slider 6 on the described piston movement push rod 7 embeds on the cavity wall, boss slider 6 on the piston movement push rod 7 can be on 4 inwalls of cylinder chamber chute 5 interior slips, be provided with breather line 701 during described piston movement push rod 7 is interior, described breather line 701 is that an end mouth of pipe is located at piston movement push rod 7 upper ends, and an other end mouth of pipe is located on the sidewall of piston movement 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 movement push rod 7 by bearing 101 penetrate on " carnival hat " shape rotary valve body the cylinder 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 cylinder 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 utility model: 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 movement push rod 7 just moves up and down in the chute 5 in the cylinder chamber 4 of valve rotation body, because the chute 5 on cylinder 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 the piston movement push rod, the piston movement push rod is provided with boss slider, described cylinder head is provided with the rotary valve body, be a dome under the described rotary valve body, dome is provided with center hole, center hole is provided with a chamber, and the cylinder chamber communicates with center hole, and centre hole side is provided with pore on the described dome, described cylinder cavity wall is provided with chute, chute is inclined to set, and described cylinder chamber passes from the center hole on the cylinder, and described piston movement push rod penetrates the center hole from dome in the cylinder chamber on the rotary valve body, in the chute on the boss slider embedding cylinder cavity wall on the described piston movement push rod, the boss slider on the piston movement push rod can be slided in the groove on the cylinder 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 movement push rod, described breather line is that an end mouth of pipe is located at piston movement push rod upper end, and an other end mouth of pipe is located on the sidewall of piston movement 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 movement push rod penetrates in the cylinder chamber on the 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 cylinder 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 cylinder 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 |
|---|---|---|---|
| CN 201320215130 CN203248217U (en) | 2013-04-23 | 2013-04-23 | Engine valve timing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320215130 CN203248217U (en) | 2013-04-23 | 2013-04-23 | Engine valve timing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203248217U true CN203248217U (en) | 2013-10-23 |
Family
ID=49374662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320215130 Expired - Lifetime CN203248217U (en) | 2013-04-23 | 2013-04-23 | Engine valve timing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203248217U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233790A (en) * | 2013-04-23 | 2013-08-07 | 王为民 | Engine air distribution mechanism |
| CN112263850A (en) * | 2020-09-30 | 2021-01-26 | 青岛双瑞海洋环境工程股份有限公司 | Gas-liquid separation device for sodium hypochlorite generator |
| CN113668687A (en) * | 2021-08-24 | 2021-11-19 | 安徽信息工程学院 | Flange device with pipeline dredging function |
-
2013
- 2013-04-23 CN CN 201320215130 patent/CN203248217U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233790A (en) * | 2013-04-23 | 2013-08-07 | 王为民 | Engine air distribution mechanism |
| CN103233790B (en) * | 2013-04-23 | 2015-05-20 | 王为民 | Engine air distribution mechanism |
| CN112263850A (en) * | 2020-09-30 | 2021-01-26 | 青岛双瑞海洋环境工程股份有限公司 | Gas-liquid separation device for sodium hypochlorite generator |
| CN112263850B (en) * | 2020-09-30 | 2022-04-26 | 青岛双瑞海洋环境工程股份有限公司 | Gas-liquid separation device for sodium hypochlorite generator |
| CN113668687A (en) * | 2021-08-24 | 2021-11-19 | 安徽信息工程学院 | Flange device with pipeline dredging function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |