CN205036445U - Compressed gas back -flow preventer of internal -combustion engine - Google Patents
Compressed gas back -flow preventer of internal -combustion engine Download PDFInfo
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- CN205036445U CN205036445U CN201520571239.4U CN201520571239U CN205036445U CN 205036445 U CN205036445 U CN 205036445U CN 201520571239 U CN201520571239 U CN 201520571239U CN 205036445 U CN205036445 U CN 205036445U
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- flow preventer
- internal
- combustion engine
- pressurized gas
- gas back
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Abstract
The patent of the utility model relates to a compressed gas back -flow preventer of internal -combustion engine belongs to compression cylinder technical field. Compressed gas back -flow preventer of internal -combustion engine is including setting up piston, cylinder end, cylinder cap and the back -flow preventer in the compression cylinder, cylinder end and cylinder cap formation air receiver, back -flow preventer sets up in the air receiver. This compressed gas back -flow preventer of internal -combustion engine can prevent the compressed gas backward flow, makes the compression ratio of internal -combustion engine maintain more easily and reach.
Description
Technical field
The utility model relates to technical field of internal combustion engines, is specifically related to a kind of pressurized gas back-flow preventer of internal-combustion engine.
Background technique
Internal-combustion engine comes out existing more than 100 year, and the internal-combustion engine generally used at present comprises one or more cylinder.Each cylinder comprises the piston of enforcement four strokes, and these four strokes are referred to as air inlet, compression, combustion/power and exhaust stroke, and they form a circulation of conventional piston together.But in order to improve compression ratio, traditional circulatory system is become Split type internal combustion machine, namely cylinder realizes air inlet and compression stroke, another realizes burning and exhaust stroke.But the pressure due to pressurized gas in compression process is huge, pressurized gas is made to return compression cylinder.
Authorize a kind of double piston cycle engine disclosed in publication number CN101548082B, although can improve compression ratio, its on-stream pressurized gas still can be back in compression cylinder, can not get stable high compression ratio.
Model utility content
The purpose of this utility model is to solve the problem, and provides a kind of control conveniently, while can improving compression ratio as much as possible, can prevent again a kind of internal-combustion engine that pressurized gas refluxes.
The technological scheme that the utility model solves the problem is as follows:
The utility model, the pressurized gas back-flow preventer of internal-combustion engine, comprises the piston be arranged in compression cylinder, cylinder head, cylinder cap and back-flow preventer, and cylinder head and cylinder cap form gas storage chamber, and back-flow preventer is arranged in gas storage chamber.
As preferably, bottom cylinder head, be provided with conical rebate.
As preferably, cylinder cap is provided with the air outlet of gas storage chamber.
As preferably, back-flow preventer is provided with the non-return structure for preventing pressurized gas from refluxing, and non-return structure 41 is made up of the backflow preventing mouth plug being arranged in described notch.
As preferably, also comprise valve gear, described valve gear comprises the intake valve, intake valve control structure and the valve seat that are arranged on described cylinder head.
As preferably, intake valve control structure comprises the swing mechanism being arranged on intake valve and the cam mechanism being arranged on swing mechanism, and cam mechanism makes described swing mechanism swing, and realizes the opening and closing of intake valve and exhaust valve.
As preferably, valve seat connects described cylinder head and cylinder cap by screw rod.
As preferably, piston is connected on bent axle by linkage mechanism.
As preferably, bent axle is connected to power plant, and power plant driving crank rotates.
In sum, the utility model has following beneficial effect:
1. the pressurized gas back-flow preventer structure of internal-combustion engine of the present utility model is simple, and easy to operate, because this structure is all easily manufactured, the matching relationship between all parts also easily realizes;
2. the pressurized gas back-flow preventer of internal-combustion engine of the present utility model can obtain higher compression ratio, because this cylinder mainly carries out air-breathing and compression stroke;
3. the pressurized gas back-flow preventer of internal-combustion engine of the present utility model can effectively prevent pressurized gas to be back in compression cylinder.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pressurized gas back-flow preventer of internal-combustion engine;
Fig. 2 is the assembly split schematic diagram of the pressurized gas back-flow preventer of internal-combustion engine;
In figure, 1-piston, 2-cylinder head, 21-conical rebate, 3-cylinder cap, 31-air outlet, 4-back-flow preventer, 41-non-return structure, 411-backflow preventing mouth plug, 5-gas storage chamber, 6-valve gear, 61-intake valve, 62-intake valve control gear, 63-valve seat, 621-swing mechanism, 622-cam mechanism, 7-bent axle, 71-linkage mechanism, 8-power plant, 9-screw rod.
Embodiment
Be clearly and completely described to the technological scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Embodiment in the utility model, those of ordinary skill in the art be not other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model is described in detail with embodiment below in conjunction with accompanying drawing.
Embodiment 1: with reference to figure 1, comprises the piston 1 be arranged in compression cylinder, cylinder head 2, cylinder cap 3 and back-flow preventer 4, and cylinder head 2 and cylinder cap 3 form gas storage chamber 5, and back-flow preventer 4 is arranged in gas storage chamber 5.
Conical rebate 21 is provided with bottom cylinder head 2.
Cylinder cap 3 is provided with the air outlet 31 of gas storage chamber 5.
Back-flow preventer 4 is provided with the non-return structure 41 for preventing pressurized gas from refluxing, and non-return structure 41 is made up of the backflow preventing mouth plug 411 being arranged in notch 21.
Also comprise valve gear 6, valve gear 6 comprises the intake valve 61 and intake valve control structure 62 that are arranged on cylinder head 2.
Intake valve control structure 62 comprises the swing mechanism 621 being arranged on intake valve and the cam mechanism 622 being arranged on swing mechanism, and cam mechanism 622 makes swing mechanism swing, and realizes the opening and closing of intake valve.
Valve seat 63 connects cylinder head 2 and cylinder cap 3 by screw rod 9.
Piston 1 is connected on bent axle 7 by linkage mechanism 71.
Bent axle 7 is connected to power plant 8, and power plant 8 driving crank rotates.
During work, cam structure 622 makes swing mechanism 621 swing, intake valve 61 is opened, power plant 8 driving crank 7 rotates, bent axle is driven in piston 1 compression cylinder by bar linkage structure 71 and is slided to lower dead center by top dead center, gas enters in compression cylinder through intake valve, when piston is to lower dead center, intake valve 61 is closed, piston slides toward top dead center under the effect of bent axle 7, gas in piston 1 pair of compression cylinder compresses, be compressed to gas storage chamber 5, until when piston is to top dead center, the pressurized gas of gas storage chamber discharges compression cylinder from air outlet 31, owing to having back-flow preventer 4 in gas storage chamber, backflow preventing mouth plug 411 is had in back-flow preventer, pressurized gas in gas storage chamber can not reflux.
Claims (9)
1. the pressurized gas back-flow preventer of internal-combustion engine, it is characterized in that: comprise the piston (1) be arranged in compression cylinder, cylinder head (2), cylinder cap (3) and back-flow preventer (4), described cylinder head (2) and cylinder cap (3) form gas storage chamber (5), and described back-flow preventer (4) is arranged in described gas storage chamber (5).
2. the pressurized gas back-flow preventer of internal-combustion engine according to claim 1, is characterized in that: described cylinder head (2) bottom is provided with conical rebate (21).
3. the pressurized gas back-flow preventer of internal-combustion engine according to claim 1, is characterized in that: described cylinder cap (3) is provided with the air outlet (31) of described gas storage chamber (5).
4. the pressurized gas back-flow preventer of internal-combustion engine according to claim 2, it is characterized in that: described back-flow preventer (4) is provided with the non-return structure (41) for preventing pressurized gas from refluxing, described non-return structure (41) is made up of the backflow preventing mouth plug (411) being arranged in described notch (21).
5. the pressurized gas back-flow preventer of internal-combustion engine according to claim 1, it is characterized in that: also comprise valve gear (6), described valve gear (6) comprises the intake valve (61), intake valve control structure (62) and the valve seat (63) that are arranged on described cylinder head (2).
6. the pressurized gas back-flow preventer of internal-combustion engine according to claim 5, it is characterized in that: described intake valve control structure (62) comprises the swing mechanism (621) being arranged on described intake valve and the cam mechanism (622) being arranged on described swing mechanism, described cam mechanism (622) makes described swing mechanism swing, and realizes the opening and closing of intake valve.
7. the pressurized gas back-flow preventer of internal-combustion engine according to claim 1, is characterized in that: described piston (1) is connected on bent axle (7) by linkage mechanism (71).
8. the pressurized gas back-flow preventer of internal-combustion engine according to claim 5, is characterized in that: described valve seat (63) is connected with described cylinder head and cylinder cap by screw rod (9).
9. the pressurized gas back-flow preventer of internal-combustion engine according to claim 7, is characterized in that: described bent axle (7) is connected to power plant (8), and described power plant (8) drive described crank rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571239.4U CN205036445U (en) | 2015-08-03 | 2015-08-03 | Compressed gas back -flow preventer of internal -combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571239.4U CN205036445U (en) | 2015-08-03 | 2015-08-03 | Compressed gas back -flow preventer of internal -combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205036445U true CN205036445U (en) | 2016-02-17 |
Family
ID=55295354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520571239.4U Expired - Fee Related CN205036445U (en) | 2015-08-03 | 2015-08-03 | Compressed gas back -flow preventer of internal -combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205036445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989516A (en) * | 2015-08-03 | 2015-10-21 | 湖州新奥利吸附材料有限公司 | Compressed air anti-backflow device of internal combustion engine |
-
2015
- 2015-08-03 CN CN201520571239.4U patent/CN205036445U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989516A (en) * | 2015-08-03 | 2015-10-21 | 湖州新奥利吸附材料有限公司 | Compressed air anti-backflow device of internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160217 Termination date: 20160803 |