CN104153895B - The pneumatic fuel limit device of mixed combustion engine - Google Patents
The pneumatic fuel limit device of mixed combustion engine Download PDFInfo
- Publication number
- CN104153895B CN104153895B CN201410386778.0A CN201410386778A CN104153895B CN 104153895 B CN104153895 B CN 104153895B CN 201410386778 A CN201410386778 A CN 201410386778A CN 104153895 B CN104153895 B CN 104153895B
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- Prior art keywords
- piston
- cylinder body
- mixed combustion
- screw thread
- return spring
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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 present invention relates to a kind of diesel oil, natural gas mixed combustion engine oil amount limiter means, including connecting seat and connecting the cylinder that seat connects；Cylinder includes cylinder body and piston, piston limit back-up ring it is provided with in cylinder body, outer wall of cylinder block is provided with regulation screw thread, cylinder body one end is provided with valve, the piston rod of piston is provided with limited step, piston is positioned at the upper cover of piston rod of cylinder body and is provided with piston return spring, and one end of piston return spring is fixed on piston limit back-up ring, and the other end is fixed on piston；Connecting seat is through cavity, is internally provided with the hole, piston location of supporting piston bar, and connection seat one end is provided with external screw thread and is connected with oil pump for engine, and the other end is provided with female thread and is connected with the external screw thread on outer wall of cylinder block.The present invention is that diesel gas engine oil amount limits device, under mixed combustion pattern, owing to being provided with spacing limited step and return spring on the piston rod of piston, effectively limits the stroke of piston, meets the requirement of electromotor economical operation.
Description
Technical field
The present invention relates to machinery compression ignition engine fuel delivery and limit device field, particularly relate to a kind of diesel oil,
Natural gas mixed combustion engine oil amount limiter.
Background technology
The engine control technologies of diesel gas mixed combustion in recent years is the most ripe, and this electromotor is in fortune
In row, accurate supply controls particularly important, a kind of with real-time fuel consumption as main control parameters, coordinates
Gas feeding diesel gas mixed combustion engine supply is stable, but uses at the electromotor of mechanical type oil feed pump,
Easily occur that engine oil is excessive, distribution too much, cause the result of waste of fuel on the contrary, even damage and send out
Motivation.In order to ensure that electromotor fuel delivery under mixed combustion pattern is not more than desirable value in prior art, it is both needed to adopt
With limit oil processing, i.e. the rack stroke on oil pump is limited in certain point by installing controllable component additional.But mesh
Before these parts substantially exist install complicated, adjust difficulty, situation that cost is high.
Summary of the invention
The problem that it is an object of the invention to exist for above-mentioned technology, it is provided that a kind of diesel oil, natural gas mixing combustion
Burn engine oil amount limiter.
For achieving the above object, the technical solution used in the present invention is: a kind of mixed combustion engine pneumatic limit oil dress
Put, including connecting seat and connecting the cylinder that seat connects；Described cylinder includes cylinder body and piston, in described cylinder body
Being provided with piston limit back-up ring, described outer wall of cylinder block is provided with regulation screw thread, and described cylinder body one end is provided with valve,
The piston rod of described piston is provided with limited step, and described piston is positioned at the upper cover of piston rod of cylinder body and is provided with work
Filling in return spring, one end of described piston return spring is fixed on piston limit back-up ring, and the other end is fixed on
On piston；Described connection seat is through cavity, is internally provided with the hole, piston location of supporting piston bar, institute
Stating connection seat one end to be provided with external screw thread and be connected with oil pump for engine, the other end is provided with female thread and cylinder
External screw thread on external wall is connected.
Further, the outer wall of described cylinder body is additionally provided with lock nut and piston disjunctor six side.
Further, it is provided with sealing ring between described piston and cylinder body.
The method have the benefit that: the present invention is that diesel gas engine oil amount limits dress
Put, under mixed combustion pattern, owing to being provided with spacing limited step and return spring on the piston rod of piston,
Effectively limit the stroke of piston, meet the requirement of electromotor economical operation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Embodiment
As it is shown in figure 1, a kind of pneumatic fuel limit device of mixed combustion engine, including connecting seat 1 and connecting seat 1 even
The cylinder connect；Cylinder includes cylinder body 6 and piston 7, is provided with piston limit back-up ring 8, piston limit in cylinder body 6
The effect of back-up ring 8 is by coordinating the stroke realizing regulating piston 7 with the limited step 9 on piston rod,
Cylinder body 6 outer wall is provided with regulation screw thread 3, and the effect of regulation screw thread 3 is to coordinate with lock nut 4 to regulate gas
Cylinder and the distance being connected between seat 1, cylinder body 6 one end is provided with valve 12, and the effect of valve 12 is to realize cylinder body
Internal air inlet promotes piston 7 to run, and the piston rod of piston 7 is provided with limited step 9, and piston 7 is positioned at cylinder body
Upper cover of piston rod in 6 is provided with piston return spring 10, and piston limit is fixed in one end of piston return spring 10
On the back-up ring 8 of position, the other end is fixed on piston 7, in running, when valve 12 air inlet, promotes
Piston moves to connecting seat 1 direction, and during venting, piston 7 reversely moves, and is then drawn by return spring 10
Extend original position；Connecting seat 1 is through cavity, is internally provided with the hole 2, piston location of supporting piston bar,
Connection seat 1 one end is provided with external screw thread and is connected with oil pump for engine, and the other end is provided with female thread and cylinder
External screw thread on body 6 outer wall is connected.
Wherein, the outer wall of cylinder body 6 is additionally provided with lock nut 4 and piston disjunctor six side 5, lock nut 4
Effect is stationary housing 6 and the position connected between seat 1, it is to avoid relatively rotate.
Wherein, being provided with sealing ring 11 between piston 7 and cylinder body 6, the effect of sealing ring 11 is to ensure that piston 7
And the air-tightness between cylinder body 6.
During work, gas is entered cylinder body 6 by valve 12, is promoted piston 7 to run, and it is spacing for running stop
Step 9 touches piston limit back-up ring 8；When quitting work, valve 12 aerofluxus, return spring 10 are by piston
7 push back starting point.During work, piston 7 is adjusted by rotary cylinder-block 6, so with the required relative position connecting seat 1
Fixed by lock nut 4 afterwards；Sealed by sealing gasket 11 between piston 7 and cylinder body 6.Piston
7 motion time, piston location hole 2 its direction of motion is positioned.
The present invention completes mechanical pump compression ignition engine limit under mixed combustion pattern by simple, economic mode
Oil requirement.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (3)
1. the pneumatic fuel limit device of mixed combustion engine, it is characterised in that include connecting seat (1) and connecting seat (1)
The cylinder connected；Described cylinder includes cylinder body (6) and piston (7), and described cylinder body is provided with piston in (6)
Spacing back-up ring (8), described cylinder body (6) outer wall is provided with regulation screw thread (3), described cylinder body (6) one end
Being provided with valve (12), the piston rod of described piston (7) is provided with limited step (9), described piston (7)
The upper cover of piston rod being positioned at cylinder body (6) is provided with piston return spring (10), described piston return spring (10)
One end be fixed on piston limit back-up ring (8), the other end is fixed on piston (7)；Described connection seat
(1) it is through cavity, is internally provided with piston hole, location (2) of supporting piston bar, described connection seat (1)
One end is provided with external screw thread and is connected with oil pump for engine, and the other end is provided with female thread and cylinder body (6) outward
External screw thread on wall is connected.
The pneumatic fuel limit device of mixed combustion engine the most according to claim 1, it is characterised in that described cylinder body
(6) lock nut (4) and piston disjunctor six side (5) it are additionally provided with on outer wall.
The pneumatic fuel limit device of mixed combustion engine the most according to claim 1, it is characterised in that described piston
And between cylinder body (6), be provided with sealing ring (11) (7).
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 CN104153895A (en) | 2014-11-19 |
| CN104153895B true CN104153895B (en) | 2016-09-14 |
Family
ID=51879498
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 |
|---|---|
| CN (1) | CN104153895B (en) |
Families Citing this family (2)
| 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 |
| 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 |
Family Cites Families (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 |
| JPS6012900Y2 (en) * | 1981-06-29 | 1985-04-25 | 株式会社クボタ | Diesel engine fuel injection amount limiting device |
| 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 |
| CN101949329B (en) * | 2010-10-27 | 2012-12-19 | 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 |
-
2014
- 2014-08-07 CN CN201410386778.0A patent/CN104153895B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104153895A (en) | 2014-11-19 |
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