CN103485854A - Machine oil pressure regulating device of engine - Google Patents
Machine oil pressure regulating device of engine Download PDFInfo
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- CN103485854A CN103485854A CN201310482814.9A CN201310482814A CN103485854A CN 103485854 A CN103485854 A CN 103485854A CN 201310482814 A CN201310482814 A CN 201310482814A CN 103485854 A CN103485854 A CN 103485854A
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Abstract
The invention discloses a machine oil pressure regulating device of an engine. The machine oil pressure regulating device comprises a cavity body, wherein the middle of an inner cavity of the cavity body is provided with a moving body, the moving body is used for dividing the inner cavity into a volume cavity A and a volume cavity B, the outer side wall of the volume cavity A has an air inlet connecting hole, and the volume cavity A is connected with a connecting pipe through the air inlet connecting hole; the connecting pipe is connected with an air inlet pipe of the engine, the volume cavity B is internally provided with an elastic part, the moving body is connected with the outer side wall of the volume cavity B through the elastic part, the lower side wall of the cavity body is provided with a first oil inlet and a first oil return port, and the first oil inlet is connected with an oil inlet pipe; the oil inlet pipe is connected with a main oil channel, the first oil return port is connected with an oil return pipe, the oil return pipe is connected with an oil bottom shell, and the lower part of the moving body is provided with an oil inlet and outlet channel; the oil inlet and outlet channel comprises a second oil inlet and a second oil return port, the second oil inlet is matched with the first oil inlet, and the second oil return port is matched with the first oil return port. The lubrication requirements for difference lubrication parts under different operation conditions of the engine are met.
Description
Technical field
The present invention relates to the engine motor oil lubrication technical field, particularly a kind of device for adjusting oil pressure of engine that is applicable to supercharged engine.
Background technique
In technical field of engines, the oil lubricating system is one of important composition system of motor, and safe, the reliable running that guarantees motor is played to very important effect, and machine oil had both played lubrication, plays again sealing, cooling, the effect that cushions.During engine operation, rotating speed is very high, and position coordinates closely between piston and casing wall, between connecting rod bearing shell and bent axle etc., lubricated fully if these matching parts can not get, and will produce dry friction.The heat that dry friction produces at short notice is enough to make metal molten, causes the damage of parts even stuck (piston scraping, bent axle axis tile etc.), therefore must give to the matching part in motor good lubricating.After lubricant oil flows to matching part, can form one deck oil film at friction surface.In order to guarantee that lubricant oil can arrive matching surface smoothly, engine lubricating oil must have certain pressure.All there is certain interval between the cylinder and piston of motor, piston ring and annular groove, valve and valve seat, between each counterpart of guarantee, when motion can clamping stagnation like this, but these gaps easily cause again the mixed gas in firing chamber to scurry into crankcase, result has not only been accelerated the rotten of lubricant oil, also can reduce the output power of cylinder pressure and motor.Lubricant oil can form oil film in the gap of each counterpart, and these oil films can play seal action, has guaranteed the sealing of cylinder.Motor is when turning round or parking, and the sour gas that the moisture in air inlet, burning produce etc. all can cause corrosion to metal partss such as piston ring, bearing shells.The rust preventing agent contained in lubricant oil etc. has the multipurpose additive of rustless property, and these additives form the fine and close adsorption layer of marshalling, the intrusion of effectively having resisted various corrosive deposits in metal surface.When larger variation occurs for engine start, acceleration or load, the parts such as the large small end of wrist pin, connecting rod and crankshaft bearing liner all will bear the acute variation of vibration, and the suitable lubricant oil of viscosity can the absorption portion impact energy, plays the effect of buffering.The realization of these effects of machine oil, all relevant with the charge oil pressure of main oil gallery.Ideal situation is lower at low speed operating mode main oil gallery engine oil pressure, higher at high-speed working condition main oil gallery engine oil pressure, can guarantee like this running of motor, can reduce mechanical loss again.
Oil lubricating system of the prior art, as Chinese Patent Application No. 201110044577.9, patent name: the application for a patent for invention of oil pressure control apparatus, this patent application provides a kind of device for adjusting oil pressure, can realize preferably the adjusting of engine oil pressure; But its adjusting to engine oil pressure is stage, can not realize the adjustable continuously of engine oil pressure, can not meet the lubricating requirement of different lubricant housings under the various operating conditionss of motor, easily cause that important fitting surface, such as the pulling even locking, cause the infringement of critical component of the scuffing of cylinder bore of cylinder inner wall and piston, crankshaft-link rod fitting surface, even damages equipment and personnel.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of device for adjusting oil pressure of engine is provided; The present invention is simple in structure, use is reliable, and the main oil gallery engine oil pressure can self-control, can meet the lubricating requirement of different lubricant housings under the various operating conditionss of motor.
The present invention is achieved through the following technical solutions:
A kind of device for adjusting oil pressure of engine, comprise cavity body, described cavity body inner chamber middle part is provided with moving body, the internal surface of described moving body and cavity body is sealed and matched, inner chamber is divided into to cavity volume A, cavity volume B also moves along inwall, wherein the outer side wall of cavity volume A is provided with the air inlet attachment hole, cavity volume A is connected with connecting tube by the air inlet attachment hole, described connecting tube is connected with engine air inlet tube, be provided with elastic member in cavity volume B, moving body is connected with cavity volume B outer side wall by elastic member, described cavity body lower wall is provided with the first filler opening, the first return opening, described the first filler opening is connected with oil inlet pipe, oil inlet pipe is connected with main oil gallery, described the first return opening is connected with return tube, return tube is connected with oil sump, described the first filler opening is near cavity volume B mono-side, the first return opening is near cavity volume A mono-side, the bottom of described moving body is provided with the oily passage of turnover, wherein pass in and out oily passage and comprise the second filler opening, the second return opening, the second filler opening coordinates with the first filler opening, the second return opening coordinates with the first return opening.
The oily channel cross-section of described turnover is U-shaped.
Described elastic member is spring.
The oily passage of described turnover, oil inlet pipe, connecting tube and return tube internal diameter are equal, and described oil inlet pipe, connecting tube and return tube are the uniform section pipe.
Beneficial effect of the present invention:
1. the present invention is simple in structure, and operational safety is high;
2. main oil gallery engine oil pressure of the present invention can carry out continuously adjustable according to the pressure of engine air inlet tube, it is adjustable to be that rotating speed that the main oil gallery engine oil pressure can be different according to motor and load carry out continuously, can meet the lubricating requirement of different lubricant housings under the various operating conditionss of motor;
3. be specially adapted to the motor with pressurization system, the component lubrication that guarantees to run up, and the sealing at the sealing positions such as cylinder reliable, can reduce again mechanical loss, guarantee engine reliable, running safely.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The structural representation that Fig. 2 is A-A section in Fig. 1;
Wherein: 1, the compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, intake valve, 5, exhaust valve, 6, engine exhaust pipe, 7, turbine, 8, the turbine steam outlet pipe, 9, cylinder, 10, piston, 11, connecting rod, 12, bent axle, 13, oil pump, 14, oil pump gear, 15, chain, 16, oil sump, 17, fuel sucking pipe, 18, main oil gallery, 19, divide oil duct, 20, cavity volume, 21, moving body, 22, U-shaped pipe, 23, elastic member, 24, oil inlet pipe, 25, connecting tube, 26, return tube, 27, cavity body, 28, the air inlet attachment hole, 29, the first filler opening, 30, the first return opening, 31, the second filler opening, 32, the second return opening, 33, cavity volume B.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
As depicted in figs. 1 and 2, a kind of device for adjusting oil pressure of engine, comprise cavity body 27, described cavity body 27 inner chamber middle parts are provided with moving body 21, described moving body 21 is sealed and matched with the internal surface of cavity body, inner chamber is divided into to cavity volume A20, cavity volume B33 also moves along inwall, wherein the outer side wall of cavity volume A20 is provided with air inlet attachment hole 28, cavity volume A20 is connected with connecting tube 25 by air inlet attachment hole 28, described connecting tube 25 is connected with engine air inlet tube 3, be provided with elastic member 23 in cavity volume B33, moving body 21 is connected with cavity volume B33 outer side wall by elastic member 23, described cavity body 27 lower wall are provided with the first filler opening 29, the first return opening 30, described the first filler opening 29 is connected with oil inlet pipe 24, oil inlet pipe 24 is connected with main oil gallery 18, described the first return opening 30 is connected with return tube 26, return tube 26 is connected with oil sump 16, described the first filler opening 29 is near cavity volume B33 mono-side, the first return opening 30 is near cavity volume A20 mono-side, the bottom of described moving body 21 is provided with the oily passage 22 of turnover, wherein pass in and out oily passage 22 and comprise the second filler opening 31, the second return opening 32, the second filler opening 31 coordinates with the first filler opening 29, the second return opening 32 coordinates with the first return opening 30.
The oily passage of described turnover 22 cross sections are U-shaped.
Described elastic member 23 is spring.
The oily passage 22 of described turnover, oil inlet pipe 24, connecting tube 25 and return tube 26 internal diameters are equal, and described oil inlet pipe 24, connecting tube 25 and return tube 26 are the uniform section pipe.
Working principle of the present invention:
In conjunction with Fig. 1 and Fig. 2, the air inlet/outlet of gas compressor 2 respectively with the air outlet of compressor air inlet machine pipe 1, the suction port of engine air inlet tube 3 is connected, the air outlet of engine air inlet tube 3 is connected with engine inlets, the air inlet/outlet of turbine 7 respectively with the air outlet of engine exhaust pipe 6, the suction port of turbine steam outlet pipe 8 is connected, the suction port of engine exhaust pipe 6 is connected with the engine exhaust road, intake valve 4, exhaust valve 5, piston 10 all coordinates with cylinder 9, the bottom of piston 10 is connected with bent axle 12 by connecting rod 11, oil pump gear 14 is arranged on oil pump 13, oil pump gear 14 is connected with bent axle 12 by chain 15, the filler opening of oil pump 13, oil outlet respectively with the oil outlet of fuel sucking pipe 17, the filler opening of main oil gallery 18 is connected, the filler opening of fuel sucking pipe 17 is arranged in oil sump 16, divide the filler opening of oil duct 19 to be connected with main oil gallery 18, divide the oil outlet of oil duct 19 to be connected with the oil duct of each lubricant housings of motor, the cross section of cavity body 27 inner chambers is rectangular, moving body 21 is arranged on cavity body 27 inner chambers and contacts with the internal face sealing, guarantee the sealing between inner chamber two-part, the two ends of oil inlet pipe 24 respectively with the rear end of main oil gallery 18, the lower wall surface of cavity body 27 is connected, the two ends of connecting tube 25 respectively with the right wall of cavity body 27, engine air inlet tube 3 is connected, the two ends of return tube 26 respectively with the lower wall surface of cavity body 27, the lower wall surface of oil sump 16 is connected.
In working procedure of the present invention, moving body 21 can move left and right in cavity body 27, wherein the second filler opening 31, the second return opening 32 lay respectively at the left side of the first filler opening 29, the first return opening 30, when engine air inlet tube 3 internal pressures are low, the right-hand cavity volume A20 internal pressure of moving body 21 is also lower, under the elastic reaction of elastic member 23, moving body 21 moves right, thereby main oil gallery 18 and return tube 26 are connected, main oil gallery 18 inner engine oil pressure are lower, and engine mechanical efficiency is higher; When engine air inlet tube 3 internal pressures when higher, right-hand cavity volume 20 internal pressures of moving body 21 are also higher, and moving body 21 is moved to the left and pressure elasticity parts 23, thereby main oil gallery 18 is cut off mutually with return tube 26, and main oil gallery 18 inner engine oil pressure are higher.
Although above-mentioned, by reference to the accompanying drawings the embodiment of inventing is described; it is not limiting the scope of the invention; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (4)
1. a device for adjusting oil pressure of engine, it is characterized in that, comprise cavity body, described cavity body inner chamber middle part is provided with moving body, the internal surface of described moving body and cavity body is sealed and matched, inner chamber is divided into to cavity volume A, cavity volume B also moves along inwall, wherein the outer side wall of cavity volume A is provided with the air inlet attachment hole, cavity volume A is connected with connecting tube by the air inlet attachment hole, described connecting tube is connected with engine air inlet tube, be provided with elastic member in cavity volume B, moving body is connected with cavity volume B outer side wall by elastic member, described cavity body lower wall is provided with the first filler opening, the first return opening, described the first filler opening is connected with oil inlet pipe, oil inlet pipe is connected with main oil gallery, described the first return opening is connected with return tube, return tube is connected with oil sump, described the first filler opening is near cavity volume B mono-side, the first return opening is near cavity volume A mono-side, the bottom of described moving body is provided with the oily passage of turnover, wherein pass in and out oily passage and comprise the second filler opening, the second return opening, the second filler opening coordinates with the first filler opening, the second return opening coordinates with the first return opening.
2. device for adjusting oil pressure of engine as claimed in claim 1, is characterized in that, the oily channel cross-section of described turnover is U-shaped.
3. device for adjusting oil pressure of engine as claimed in claim 1, is characterized in that, described elastic member is spring.
4. device for adjusting oil pressure of engine as claimed in claim 1, is characterized in that, the oily passage of described turnover, oil inlet pipe, connecting tube and return tube internal diameter are equal, and described oil inlet pipe, connecting tube and return tube are the uniform section pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482814.9A CN103485854A (en) | 2013-10-16 | 2013-10-16 | Machine oil pressure regulating device of engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482814.9A CN103485854A (en) | 2013-10-16 | 2013-10-16 | Machine oil pressure regulating device of engine |
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| CN103485854A true CN103485854A (en) | 2014-01-01 |
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| CN201310482814.9A Pending CN103485854A (en) | 2013-10-16 | 2013-10-16 | Machine oil pressure regulating device of engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929726A (en) * | 2015-06-29 | 2015-09-23 | 童瑶 | Multi-centrifugal body steady outward-moving return device |
| CN104989483A (en) * | 2015-06-14 | 2015-10-21 | 关士托 | Supply-mode converting device for lubricating system |
| CN105019970A (en) * | 2015-06-28 | 2015-11-04 | 刘婧 | Dynamic and static device combined control system |
| DE102015212432A1 (en) * | 2015-07-02 | 2017-01-19 | Volkswagen Aktiengesellschaft | Internal combustion engine with an oil pump arrangement |
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| JPH05195741A (en) * | 1992-01-16 | 1993-08-03 | Nissan Motor Co Ltd | Lubricating oil supply device for internal-combustion engine |
| CN2869332Y (en) * | 2005-12-15 | 2007-02-14 | 重庆宗申技术开发研究有限公司 | Lubricating oil-way regulating device for motorcycle engine |
| CN101517236A (en) * | 2006-09-26 | 2009-08-26 | 麦格纳动力系有限公司 | Control system and method for pump output pressure control |
| CN102926833A (en) * | 2012-10-12 | 2013-02-13 | 上海交通大学 | Mechanical type lever proportion regulating mechanism |
| CN103306777A (en) * | 2013-06-07 | 2013-09-18 | 上海交通大学 | Engine oil supply system with oil return pipe |
| CN203515713U (en) * | 2013-10-16 | 2014-04-02 | 山东建筑大学 | Pressure adjustment device for engine oil |
-
2013
- 2013-10-16 CN CN201310482814.9A patent/CN103485854A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05195741A (en) * | 1992-01-16 | 1993-08-03 | Nissan Motor Co Ltd | Lubricating oil supply device for internal-combustion engine |
| CN2869332Y (en) * | 2005-12-15 | 2007-02-14 | 重庆宗申技术开发研究有限公司 | Lubricating oil-way regulating device for motorcycle engine |
| CN101517236A (en) * | 2006-09-26 | 2009-08-26 | 麦格纳动力系有限公司 | Control system and method for pump output pressure control |
| CN102926833A (en) * | 2012-10-12 | 2013-02-13 | 上海交通大学 | Mechanical type lever proportion regulating mechanism |
| CN103306777A (en) * | 2013-06-07 | 2013-09-18 | 上海交通大学 | Engine oil supply system with oil return pipe |
| CN203515713U (en) * | 2013-10-16 | 2014-04-02 | 山东建筑大学 | Pressure adjustment device for engine oil |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989483A (en) * | 2015-06-14 | 2015-10-21 | 关士托 | Supply-mode converting device for lubricating system |
| CN105019970A (en) * | 2015-06-28 | 2015-11-04 | 刘婧 | Dynamic and static device combined control system |
| CN105019970B (en) * | 2015-06-28 | 2017-09-29 | 魏庆玉 | Sound device mating type control system |
| CN104929726A (en) * | 2015-06-29 | 2015-09-23 | 童瑶 | Multi-centrifugal body steady outward-moving return device |
| DE102015212432A1 (en) * | 2015-07-02 | 2017-01-19 | Volkswagen Aktiengesellschaft | Internal combustion engine with an oil pump arrangement |
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Application publication date: 20140101 |