CN104153895A - Pneumatic oil limiting device of mixed firing engine - Google Patents
Pneumatic oil limiting device of mixed firing engine Download PDFInfo
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- CN104153895A CN104153895A CN201410386778.0A CN201410386778A CN104153895A CN 104153895 A CN104153895 A CN 104153895A CN 201410386778 A CN201410386778 A CN 201410386778A CN 104153895 A CN104153895 A CN 104153895A
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- piston
- cylinder body
- connecting seat
- engine
- connecting base
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- Lubrication Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The invention relates to an oil supply amount limiter device of a diesel oil and natural gas mixed firing engine. The device comprises a connecting seat and an air cylinder connected with the connecting seat. The air cylinder comprises a cylinder body and a piston, a piston limiting check ring is arranged in the cylinder body, adjusting threads are arranged on the outer wall of the cylinder body, an air tap is arranged at one end of the cylinder body, a limiting step is arranged on a piston rod of the piston, the position, arranged in the cylinder body, of the piston rod of the piston is sleeved with a piston resetting spring, one end of the piston resetting spring is fixed to the piston limiting check ring, and the other end of the piston resetting spring is fixed to the piston. The connecting seat is of a through cavity, a piston locating hole supporting the piston rod is formed in the connecting seat, one end of the connecting seat is provided with outer threads and is connected with an engine oil pump in a matched mode, and the other end of the connecting seat is provided with inner threads and is connected with the outer threads on the outer wall of the cylinder body in a matched mode. The device is a diesel oil and natural gas engine oil supply amount limiting device, under the mixed firing mode, due to the fact that the limiting step and the resetting spring are arranged on the piston rod of the piston, the stroke of the piston is effectively limited, and the economical running requirement of the engine is met.
Description
Technical field
The present invention relates to mechanical compression ignition engine fuel delivery restricting means field, relate in particular to a kind of diesel oil, rock gas mixed combustion engine oil amount limiter.
Background technique
The engine control technology of diesel gas mixed combustion is in recent years day by day ripe, this motor is in operation, accurate air feed control is particularly important, a kind of taking real-time fuel consumption as main control parameters at present, coordinate Gas feeding diesel gas mixing combustion engine air feed stable, but use at the motor of mechanical type oil feed pump, easily occur that engine oil is excessive, distribution is too much, cause on the contrary the result of waste of fuel, even damage motor.In prior art, in order to ensure that motor fuel delivery under mixed combustion pattern is not more than desirable value, all need to adopt limit oil processing, by install additional controllable component by the rack stroke on oil pump be limited in certain a bit on.But substantially there is at these parts of use the situation complicated, that adjustment is difficult, cost is high of installing at present.
Summary of the invention
The object of the invention is the problem existing for above-mentioned technology, a kind of diesel oil, rock gas mixed combustion engine oil amount limiter are provided.
For achieving the above object, the technical solution used in the present invention is: the pneumatic fuel limit device of a kind of mixing combustion engine, comprises the cylinder that connecting base is connected with connecting base; Described cylinder comprises cylinder body and piston, in described cylinder body, be provided with piston limit back-up ring, described outer wall of cylinder block is provided with adjusting screw thread, described cylinder body one end is provided with valve, the piston rod of described piston is provided with limited step, the upper cover of piston rod that described piston is positioned at cylinder body is provided with piston return spring, and one end of described piston return spring is fixed on piston limit back-up ring, and the other end is fixed on piston; Described connecting base is the cavity connecting, and its inside is provided with the piston positioning hole of supporting piston bar, and described connecting base one end is provided with outside thread, is connected with oil pump for engine, and the other end is provided with internal thread, is connected with the outside thread on outer wall of cylinder block.
Further, on the outer wall of described cylinder body, be also provided with locking nut and piston disjunctor six sides.
Further, between described piston and cylinder body, be provided with seal ring.
Useful technique effect of the present invention is: the present invention is diesel gas engine oil amount restricting means, under mixed combustion pattern, owing to being provided with spacing limited step and return spring on the piston rod of piston, effectively the stroke of limited piston, meets the requirement of motor economical operation.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As shown in Figure 1, the pneumatic fuel limit device of a kind of mixing combustion engine, comprises the cylinder that connecting base 1 is connected with connecting base 1, cylinder comprises cylinder body 6 and piston 7, in cylinder body 6, be provided with piston limit back-up ring 8, the effect of piston limit back-up ring 8 be by with piston rod on limited step 9 coordinate the stroke of realizing regulating piston 7, cylinder body 6 outer walls are provided with and regulate screw thread 3, the distance that the effect that regulates screw thread 3 is and locking nut 4 coordinates to come between adjusting cylinders and connecting base 1, cylinder body 6 one end are provided with valve 12, the effect of valve 12 is to realize cylinder interior air inlet promotion piston 7 to move, the piston rod of piston 7 is provided with limited step 9, the upper cover of piston rod that piston 7 is positioned at cylinder body 6 is provided with piston return spring 10, one end of piston return spring 10 is fixed on piston limit back-up ring 8, the other end is fixed on piston 7, in running, in the time of valve 12 air inlet, promoting piston moves to connecting base 1 direction, when venting, piston 7 oppositely moves, then be stretched to initial position by return spring 10, the cavity of connecting base 1 for connecting, its inside is provided with the piston positioning hole 2 of supporting piston bar, and connecting base 1 one end is provided with outside thread, is connected with oil pump for engine, and the other end is provided with internal thread, is connected with the outside thread on cylinder body 6 outer walls.
Wherein, be also provided with locking nut 4 and piston disjunctor six sides 5 on the outer wall of cylinder body 6, the effect of locking nut 4 is the positions between stationary housing 6 and connecting base 1, avoids relatively rotating.
Wherein, between piston 7 and cylinder body 6, be provided with seal ring 11, the effect of seal ring 11 is the tightness that ensure between piston 7 and cylinder body 6.
When work, gas by valve 12 enter cylinder body 6, promote piston 7 move, operation stop be that limited step 9 touches piston limit back-up ring 8; While quitting work, piston 7 is pushed back starting point by valve 12 exhausts, return spring 10.When work, piston 7 is adjusted by rotary cylinder-block 6 with the required relative position of connecting base 1, then fixedly completes by locking nut 4; Between piston 7 and cylinder body 6, sealed by sealing gasket 11.When piston 7 moves, piston positioning hole 2 is to its moving direction location.
The present invention has completed the limit oil requirement of mechanical pump compression ignition engine under mixed combustion pattern by simple, economic mode.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. the pneumatic fuel limit device of mixing combustion engine, is characterized in that, comprises the cylinder that connecting base (1) is connected with connecting base (1), described cylinder comprises cylinder body (6) and piston (7), in described cylinder body (6), be provided with piston limit back-up ring (8), described cylinder body (6) outer wall is provided with and regulates screw thread (3), described cylinder body (6) one end is provided with valve (12), the piston rod of described piston (7) is provided with limited step (9), the upper cover of piston rod that described piston (7) is positioned at cylinder body (6) is provided with piston return spring (10), one end of described piston return spring (10) is fixed on piston limit back-up ring (8), the other end is fixed on piston (7), the cavity of described connecting base (1) for connecting, its inside is provided with the piston positioning hole (2) of supporting piston bar, described connecting base (1) one end is provided with outside thread, is connected with oil pump for engine, and the other end is provided with internal thread, is connected with the outside thread on cylinder body (6) outer wall.
2. the pneumatic fuel limit device of mixing combustion engine according to claim 1, is characterized in that, is also provided with locking nut (4) and piston disjunctor six sides (5) on the outer wall of described cylinder body (6).
3. the pneumatic fuel limit device of mixing combustion engine according to claim 1, is characterized in that, between described piston (7) and cylinder body (6), is provided with seal ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386778.0A CN104153895B (en) | 2014-08-07 | 2014-08-07 | The pneumatic fuel limit device of mixed combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386778.0A CN104153895B (en) | 2014-08-07 | 2014-08-07 | The pneumatic fuel limit device of mixed combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104153895A true CN104153895A (en) | 2014-11-19 |
| CN104153895B CN104153895B (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410386778.0A Expired - Fee Related CN104153895B (en) | 2014-08-07 | 2014-08-07 | The pneumatic fuel limit device of mixed combustion engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104153895B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165885A (en) * | 2017-06-23 | 2017-09-15 | 杭州加包装技术有限责任公司 | A kind of mechanism for adjusting cylinder axial location |
| CN107228013A (en) * | 2017-06-19 | 2017-10-03 | 朱晓波 | A kind of energy mix engine device and implementation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067303A (en) * | 1974-12-19 | 1978-01-10 | Diesel Kiki Co., Ltd. | Fuel injection pump governor |
| US4426971A (en) * | 1981-06-29 | 1984-01-24 | Kubota Ltd. | Fuel injection rate limiting device for diesel engine |
| CN2054488U (en) * | 1989-01-17 | 1990-03-14 | 河南省商丘地区农机总站 | X195 diesel engine oil-limiter |
| CN101949329A (en) * | 2010-10-27 | 2011-01-19 | 江苏大学 | Oil limiter having function of correcting oil mass for single cylinder diesel and manufacturing method thereof |
| CN102312729A (en) * | 2010-07-02 | 2012-01-11 | 重庆福德助友农业机械有限公司 | Oil supply limiting device of diesel engine |
| CN202140178U (en) * | 2011-07-01 | 2012-02-08 | 隆鑫通用动力股份有限公司 | Oil limiting device of diesel engine |
| CN102374036A (en) * | 2011-11-07 | 2012-03-14 | 陈万荣 | Oil limiter of diesel engine |
| CN204060946U (en) * | 2014-08-07 | 2014-12-31 | 周继光 | The pneumatic fuel limit device of mixing combustion engine |
-
2014
- 2014-08-07 CN CN201410386778.0A patent/CN104153895B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067303A (en) * | 1974-12-19 | 1978-01-10 | Diesel Kiki Co., Ltd. | Fuel injection pump governor |
| US4426971A (en) * | 1981-06-29 | 1984-01-24 | Kubota Ltd. | Fuel injection rate limiting device for diesel engine |
| CN2054488U (en) * | 1989-01-17 | 1990-03-14 | 河南省商丘地区农机总站 | X195 diesel engine oil-limiter |
| CN102312729A (en) * | 2010-07-02 | 2012-01-11 | 重庆福德助友农业机械有限公司 | Oil supply limiting device of diesel engine |
| CN101949329A (en) * | 2010-10-27 | 2011-01-19 | 江苏大学 | Oil limiter having function of correcting oil mass for single cylinder diesel and manufacturing method thereof |
| CN202140178U (en) * | 2011-07-01 | 2012-02-08 | 隆鑫通用动力股份有限公司 | Oil limiting device of diesel engine |
| CN102374036A (en) * | 2011-11-07 | 2012-03-14 | 陈万荣 | Oil limiter of diesel engine |
| CN204060946U (en) * | 2014-08-07 | 2014-12-31 | 周继光 | The pneumatic fuel limit device of mixing combustion engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228013A (en) * | 2017-06-19 | 2017-10-03 | 朱晓波 | A kind of energy mix engine device and implementation |
| CN107165885A (en) * | 2017-06-23 | 2017-09-15 | 杭州加包装技术有限责任公司 | A kind of mechanism for adjusting cylinder axial location |
| CN107165885B (en) * | 2017-06-23 | 2018-11-06 | 杭州加一包装技术有限责任公司 | A kind of mechanism adjusting cylinder axial position |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104153895B (en) | 2016-09-14 |
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Granted publication date: 20160914 Termination date: 20190807 |