CN101694169B - Lubricating system of internal combustion engine and internal combustion engine thereof - Google Patents
Lubricating system of internal combustion engine and internal combustion engine thereof Download PDFInfo
- Publication number
- CN101694169B CN101694169B CN 200910236206 CN200910236206A CN101694169B CN 101694169 B CN101694169 B CN 101694169B CN 200910236206 CN200910236206 CN 200910236206 CN 200910236206 A CN200910236206 A CN 200910236206A CN 101694169 B CN101694169 B CN 101694169B
- Authority
- CN
- China
- Prior art keywords
- oil
- communicated
- combustion engine
- piston
- lubricating system
- 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 - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 80
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 73
- 239000003921 oil Substances 0.000 claims abstract description 218
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000010687 lubricating oil Substances 0.000 claims abstract description 8
- 238000005461 lubrication Methods 0.000 claims description 45
- 239000000314 lubricant Substances 0.000 claims description 41
- 238000009826 distribution Methods 0.000 claims description 27
- 239000000446 fuel Substances 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 230000004308 accommodation Effects 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000003860 storage Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 9
- 238000013475 authorization Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a lubricating system of an internal combustion engine, which is applied to a crank round-slider internal combustion engine. The lubricating system comprises a main oil passage of the engine body, a crank round-slider lubricating system, a distributing cam lubricating system, a high-pressure pump camshaft lubricating system and a rocker shaft lubricating system, wherein the main oil passage of the engine body is communicated with an oil storage device via an oil pump, the crank round-slider lubricating system is communicated with the main oil passage of the engine body and supplies lubricating oil to a friction pair of a motion pair of a crank round-slider mechanism of the internal combustion engine, the distributing cam lubricating system is communicated with the main oil passage of the engine body and used for lubricating a front bearing and a rear bearing of a distributing cam shaft, the high-pressure pump cam shaft lubricating system is communicated with the distributing cam lubricating system and used for lubricating a front bearing and a rear bearing of a high-pressure pump cam shaft, and the rocker shaft lubricating system is communicated with the distributing cam lubricating system and lubricates a bearing of a cylinder rocker shaft. The lubricating system can lubricate the crank round-slider mechanism of the internal combustion engine and cam shaft bearings, high-pressure pump bearings and a rocker shaft bearing in the internal combustion engine, and guarantees normal operation of the crank round-slider internal combustion engine. The invention further provides a crank round-slider internal combustion engine.
Description
Technical field
The present invention relates to internal-combustion engine, be specifically related to a kind of lubrication system of crank circular slider internal-combustion engine.The present invention also relates to a kind of crank circular slider internal-combustion engine simultaneously.
Background technique
In traditional internal-combustion engine and compressor, realize the conversion between the rotatablely moving of to-and-fro motion and bent axle of piston through connecting rod.Yet defectives such as in described connecting rod, because the existence of connecting rod, that the internal-combustion engine of connecting rod and compressor have is bulky, heavy, balance quality difference.
For addressing the above problem, the authorization day for announcing is that the Chinese patent that January 13, notification number in 1988 are CN85200358B discloses a kind of " crankshaft circular slide block reciprocating piston internal combustion engine ".Notice of authorization day is June 27 calendar year 2001, notice of authorization number to disclose a kind of " crank and double-round slide reciprocating piston internal combustion engine " for the Chinese patent of CN1067741C.Notice of authorization day is June 27 calendar year 2001, notice of authorization number to disclose a kind of " crank and multi-round slide reciprocating piston internal combustion engine " for the Chinese patent of CN1067742C.
The disclosed internal-combustion engine common feature of above-mentioned Chinese patent is in to-and-fro motion and the switching mechanism that rotatablely moves wherein, has replaced connecting rod with circular slider-crank mechanism.Smooth block in the circular slider-crank mechanism is provided with eccentric circular hole.The piston seat of piston is provided with circular slider accommodation hole.During assembling, smooth block is placed described circular slider accommodation hole, smooth block can rotate in said circular slider accommodation hole; The crank pin of bent axle is assemblied in the described eccentric circular hole, and crank pin can rotate in said eccentric circular hole.
During work; Combustion gas in the firing chamber expand and promote piston motion; Driving the smooth block that is arranged at wherein through piston moves reciprocatingly; And smooth block rotates in said piston simultaneously, and said to-and-fro motion rotates around the central axis of bent axle with the synthetic central axis of the eccentric circular hole on the smooth block that makes that rotatablely moves; And the dead in line of the crank pin of the central axis of said eccentric circular hole and bent axle, thereby can realize the conversion that rotatablely moves that reciprocates to bent axle of piston.
In crank circular slider internal-combustion engine, replaced traditional brace and connecting rod framework by circular slider-crank mechanism, the lubrication system in traditional internal-combustion engine can't directly apply in the crank circular slider internal-combustion engine.Thereby, need design the lubrication system of crank circular slider internal-combustion engine again, to satisfy the crank circular slider internal-combustion engine requirements of one's work.
Summary of the invention
The present invention provides a kind of lubrication system of internal-combustion engine; Lubrication system of the present invention can realize lubricated to the circular slider-crank mechanism of internal-combustion engine and the camshaft bearing in the internal-combustion engine, high-pressure service pump bearing and pitman arm shaft bearing, guarantees the proper functioning of crank circular slider internal-combustion engine.The present invention also provides a kind of crank circular slider internal-combustion engine.
The lubrication system of a kind of internal-combustion engine provided by the invention; Be applied to crank circular slider internal-combustion engine; Comprise the body main oil gallery that is communicated with Fuel Tanking Unit through oil pump, also comprise be communicated with said body main oil gallery, to the crank round slider lubricating system of the friction pair supplying lubricating oil of the kinematic pair of the circular slider-crank mechanism of described internal-combustion engine; Be communicated with said body main oil gallery, be used for lubricated valve cam lubricating system being provided to the distribution cam axle front and back bearings; Be communicated with said valve cam lubricating system, be used for to high-pressure service pump camshaft front and back bearings provide lubricated high-pressure service pump camshaft lubrication system and be communicated with said valve cam lubricating system, to cylinder pitman arm shaft bearing lubricated pitman arm shaft lubricating system is provided.
Optional, said valve cam lubricating system comprise along described distribution cam axle central axial direction with and the oil duct that radially is provided with, be communicated with the front and back bearings of valve cam; The fore bearing of distribution cam axle is communicated with described body main oil gallery through bent axle rotor plate bearing.
Optional, the fore bearing of said internal-combustion engine is communicated with described valve cam fore bearing through the oil duct that is arranged on the body.
Optional, said high-pressure service pump camshaft lubrication system comprise be communicated with said high-pressure service pump camshaft rear bearing and the oil duct of said valve cam rear bearing, along high-pressure service pump camshaft central axis and radially be provided with, be communicated with the oil duct of said high-pressure service pump camshaft front and back bearings.
Optional, said pitman arm shaft lubricating system comprise be arranged at pitman arm shaft cylinder-body oil duct on the internal combustion engine cylinders, that be communicated with said distribution cam axle rear bearing, be arranged in the pitman arm shaft cylinder cap oil duct that is communicated with said pitman arm shaft cylinder-body oil duct on the cylinder cap, the pedestal oil duct that is arranged at the connection pitman arm shaft cylinder cap oil duct on the pitman arm shaft pedestal, the pitman arm shaft along the pitman arm shaft central oil passage that is communicated with said pedestal oil duct of its central axis setting and be arranged at the pitman arm shaft two end part along its oilhole radially.
Optional, said crank round slider lubricating system is communicated with described body main oil gallery through the rear bearing of bent axle.
Optional, the kinematic pair of said circular slider-crank mechanism comprises the sliding pair of revolute pair and piston and the cylinder or the cylinder sleeve formation of revolute pair, smooth block and piston formation that bent axle and smooth block constitute at least;
The friction pair of the revolute pair that the friction pair of the revolute pair that said crank round slider lubricating system constitutes to said bent axle smooth block successively, smooth block and piston constitute and piston lubricate with the friction pair fuel feeding of cylinder or cylinder sleeve formation sliding pair.
Optional, said crank round slider lubricating system comprises the crankshaft oil gallery that is arranged on the said bent axle, is arranged at the smooth block oil duct on the smooth block and is arranged at the piston oil duct on the said piston;
Said crankshaft oil gallery comprise in the crank pin that is arranged at bent axle central oil passage along central axis, with said central oil passage be communicated with and lead to bent axle the main journal outer circumferential face oilhole and with said central oil passage the oilhole of the smooth block fitting surface of crank pin that be communicated with and that lead to bent axle;
Said smooth block oil duct comprise the outer circumferential face that is communicated with said smooth block with and the fuel feeding path of eccentric circular hole;
Said piston oil duct comprises oil groove that is arranged at said piston guide side plate outer side surface and the fuel feeding oil duct that is communicated with the circular slider accommodation hole of said oil groove and said piston.
Preferably; On said piston, also be provided with lubricant oil nozzle towards the piston head back side; Said lubricant oil nozzle is communicated with the piston oil duct on the said piston; Lubricant oil in the said piston oil duct can be through said lubricant oil nozzle to the oil spout of the back side of said piston head, so that said piston head is cooled off.
The present invention also provides a kind of crank circular slider internal-combustion engine, comprises the lubrication system of the described crank circular slider internal-combustion engine of above-mentioned arbitrary technological scheme.
Compared with prior art; In the lubrication system of internal-combustion engine of the present invention; Comprise be communicated with the body main oil gallery, to the crank round slider lubricating system of the friction pair supplying lubricating oil of the kinematic pair of the circular slider-crank mechanism of described internal-combustion engine, also comprise be communicated with said body main oil gallery, to the crank round slider lubricating system of the friction pair supplying lubricating oil of the kinematic pair of the circular slider-crank mechanism of described internal-combustion engine; Be communicated with said body main oil gallery, be used for lubricated valve cam lubricating system being provided to the valve cam front and back bearings; Be communicated with said valve cam lubricating system, be used for to high-pressure service pump cam front and back bearings provide lubricated high-pressure service pump camshaft lubrication system and be communicated with said valve cam lubricating system, to cylinder pitman arm shaft bearing lubricated pitman arm shaft lubricating system is provided.The present invention can realize lubricated to the circular slider-crank mechanism of internal-combustion engine and the camshaft bearing in the internal-combustion engine, high-pressure service pump bearing and pitman arm shaft bearing, guarantees the proper functioning of crank circular slider internal-combustion engine.
In a preferred embodiment of the invention; In the top of said piston, also be provided with the cooling oil duct that is communicated with said piston oil duct or the lubricant oil nozzle towards the piston head back side is arranged; Can realize oil spout cooling,, guarantee the proper functioning of piston to reduce the temperature of piston head to piston head.
Description of drawings
Fig. 1 is embodiment's the schematic representation of the lubrication system of crank circular slider internal-combustion engine of the present invention;
Fig. 2 is embodiment's the schematic representation of the lubrication system of a kind of V-type crank circular slider internal-combustion engine of the present invention.
Embodiment
Be elaborated below in conjunction with embodiment and accompanying drawing lubrication system (being also referred to as the lubrication system of crank circular slider internal-combustion engine) to internal-combustion engine of the present invention.Fig. 1 is embodiment's the schematic representation of the lubrication system of crank circular slider internal-combustion engine of the present invention.
As shown in Figure 1, the lubrication system of crank circular slider internal-combustion engine of the present invention comprises that Fuel Tanking Unit 101, oil pump 100, oil filter 103, body main oil gallery 104, crank round slider lubricating system 10, valve cam lubricating system 200, high-pressure service pump camshaft lubrication are 300 and pitman arm shaft lubricating system 400.
Wherein, said Fuel Tanking Unit 101 is used to store lubricant oil, and accepts the lubricant oil after the lubrication system of internal-combustion engine, reflux.In internal-combustion engine, oil sump is the parts as Fuel Tanking Unit 101 commonly used.
One end of said oil pump 100 is communicated with said Fuel Tanking Unit 101, and the other end is communicated with described oil filter 103.Be used for the lubricant oil of Fuel Tanking Unit 101 is extracted out, and be delivered in the oil filter 103.In addition, oil pump 100 also provides pressure for the lubricant oil in the lubricating system of IC engine, is the critical piece of pressure lubrication in the internal-combustion engine.
Be the pressure of adjustment entire internal combustion engine lubrication system, an end that is communicated with said oil filter 103 in said oil pump 100 also is provided with pressure-limit valve 102, and is as shown in Figure 1, with the pressure of the lubricant oil of adjustment oil pump 100 outputs.
The other end of oil filter 103 is communicated with body main oil gallery 104.Lubricant oil through after oil filter 103 filtrations gets into body main oil gallery 104.Crank round slider lubricating system 10 is communicated with described body main oil gallery 104.A lubricant oil part that after oil filter 103, enters into body main oil gallery 104 gets into crank round slider lubricating system 10, and circular slider-crank mechanism is lubricated.
Wherein, said crank round slider lubricating system 10 can be communicated with described body main oil gallery 104 through the rear bearing of bent axle.Crankshaft rear bearing is meant that (bearing of the support bent axle the other end relative with said crankshaft rear bearing is called crankshaft front bearing for the bearing of bent axle clutch end.In addition, in this specification, the front and back of the bearing of the axle in the internal-combustion engines such as distribution cam axle, high-pressure service pump camshaft and the self-consistentency of crankshaft bearing).Because in the dynamic output of this end bent axle, it is bigger load, is communicated with the body main oil gallery through this end, can guarantee lubricant oil is lubricated assurance bent axle proper functioning to the crankshaft rear bearing friction pair.
Valve cam lubricating system 200 also is communicated with said body main oil gallery 104.The part of the lubricant oil of body main oil gallery 104 can get into valve cam lubricating system 200, and the front and back bearings of the distribution cam axle of internal-combustion engine is lubricated, and guarantees the revolute pair proper functioning of distribution cam axle and its bearing formation.
The high-pressure service pump camshaft lubrication is 300 to be communicated with described valve cam lubricating system 200; Through lubricant oil that body main oil gallery 104 is dispensed to valve cam lubricating system 200 except that guaranteeing to distribution cam axle bearing lubrication; It is 300 that a part also is dispensed to the high-pressure service pump camshaft lubrication, is used for the front and back bearings of high-pressure service pump camshaft is lubricated.
In addition, valve cam lubricating system 200 also is communicated with pitman arm shaft lubricating system 400, with a part of distribution of lubrication oil to pitman arm shaft lubricating system, provides lubricated to the pitman arm shaft bearing of cylinder of internal-combustion engine.
Below in conjunction with a kind of V-type crank circular slider internal-combustion engine lubrication system of the present invention is described.Fig. 2 is the schematic representation of the lubrication system of a kind of V-type crank circular slider internal-combustion engine of the present invention.
Please refer to Fig. 2, oil sump 101a (being also referred to as Fuel Tanking Unit) is used to store lubricant oil, and the lubricant oil among the oil sump 101a communicates with oil pump 100 oil input channels through the oil duct that is arranged among the oil sump 101a behind strainer, makes machine oil get into oil pump 100.Wherein, Described oil pump 100 can be arranged on the gear chamber cover plate of internal-combustion engine; Bent axle driver plate bearing, water pump bearing and valve cam fore bearing etc. can also be set on said gear chamber cover plate, and the part that said gear chamber cover can be used as body is assemblied on the body through bolt.
The extreme pressure lubricant that flows out from oil pump 100 is divided into two-way, and the pressure-limit valve 102 that is arranged on the said gear chamber cover plate of leading up to is back to oil sump 101a.Promptly when oil pressure was higher than predetermined value, pressure-limit valve 102 was opened, and through pressure-limit valve 102 a part of lubricant oil was back to oil sump 101a, realized the purpose of pressure limiting.The common oil duct a entering that constitutes is arranged among the secondary filter 103a (being also referred to as oil filter) on the body on said gear chamber cover plate and the IC engine airframe through being arranged on another road.
Through the lubricant oil of secondary filter 103a, get into crankshaft rear bearing 106 through oil duct b on the IC engine airframe, crankshaft rear bearing 106 is lubricated.Get into through IC engine airframe and common another oil duct c that constitutes of gear chamber cover plate in addition and be arranged in the bent axle driver plate bearing 195 on the said gear chamber cover plate.
Getting into said bent axle transmission shaft bearing 195 lubricant oil can be arranged among the distribution cam axle fore bearing 200a on the said gear chamber cover plate through the oil duct d entering that is arranged on the said gear chamber cover plate, and said valve cam fore bearing 200a is lubricated.
In the embodiments of the invention, the valve cam lubricating system comprise along described distribution cam axle central axial direction with and the fore bearing 200a that radially is provided with, be communicated with distribution cam axle and the oil duct f of rear bearing 200b.Can the lubricant oil of the fore bearing 200a that get into said distribution cam axle be imported rear bearing 200b through said oil duct f, thereby realize lubricating rear bearing 200b.
In addition, through being arranged on the oil duct e on said IC engine airframe and the gear chamber cover plate, can be communicated with distribution cam axle fore bearing 200a and crankshaft front bearing 106b.Thereby the another part that leads to the lubricant oil of distribution cam axle fore bearing 200a can import crankshaft front bearing 106b, and 106b is lubricated to crankshaft front bearing.
In addition, on IC engine airframe, rear-end plate can be set, described distribution cam axle rear bearing 200b can be arranged on the described rear-end plate, and the rear bearing of high-pressure service pump camshaft can also be set on said rear-end plate.
In the embodiments of the invention, high-pressure service pump camshaft lubrication system comprise the oil duct g that is communicated with said high-pressure service pump camshaft rear bearing 300b and said valve cam rear bearing 200b, along high-pressure service pump camshaft central axis with and radially be provided with, be communicated with the oil duct i of said high-pressure service pump camshaft front and back bearings 300b and 300a.
Said oil duct g can be arranged on the described rear-end plate, and the lubricant oil that is supplied to valve cam rear bearing 200b is fed high-pressure service pump camshaft rear bearing 300b, and through described oil duct i, makes lubricant oil get into high-pressure service pump camshaft fore bearing 300a.Thereby realize lubricating to high-pressure service pump camshaft front and back bearings 300a and 300b.
In the present embodiment, the pitman arm shaft lubricating system also is communicated with described valve cam rear bearing 200b.Wherein, the pitman arm shaft lubricating system can comprise be arranged at pitman arm shaft cylinder-body oil duct on the internal combustion engine cylinders, that be communicated with said distribution cam axle rear bearing 200b, be arranged at the pitman arm shaft cylinder cap oil duct that is communicated with said pitman arm shaft cylinder-body oil duct on the cylinder cap, be arranged on the pitman arm shaft pedestal and be communicated with in the pedestal oil duct, pitman arm shaft of pitman arm shaft cylinder cap oil duct along the pitman arm shaft central oil passage that is communicated with the pedestal oil duct of its central axis setting and be arranged at the pitman arm shaft two end part along its oilhole radially.
Two cylinders about the V-type internal combustion engine of present embodiment comprises at least are so comprise left cylinder distribution pitman arm shaft lubricating system 400a and right cylinder distribution pitman arm shaft lubricating system 400b at least.Two lubricating system 400a and 400b all are communicated with described valve cam rear bearing 200b.Can realize left cylinder pitman arm shaft bearing 401a, 401b and right cylinder pitman arm shaft bearing 402a and 402b fuel feeding lubricated through described lubricating system 400a and 400b.Certainly, the distribution device of the cylinder in the present embodiment is two air valve structures, and for four air valve structures, the pitman arm shaft lubricating system of every cylinder needs four bearings of lubricated pitman arm shaft simultaneously, repeats no more here.
In addition, the transmission of power between distribution cam axle to the high-pressure service pump camshaft also needs idle pulley as drive wheel sometimes, when lubricating oil path is set, the oil circuit between distribution cam axle to the high-pressure service pump camshaft is got final product through said idle pulley bearing.And; Oil duct to the pitman arm shaft fuel feeding of a certain cylinder can be communicated with said idle pulley bearing, and needn't directly be communicated with described valve cam rear bearing 200b again, and this can shorten the distance of oil duct; And avoid repeating to be provided with oil duct, also make oil duct manufacture simplification on body and the cylinder cap.
The lubricant oil that leads to above-mentioned distribution cam axle lubricating system, high-pressure service pump camshaft lubrication system and pitman arm shaft lubricating system all can be back to oil sump 101a.As shown in Figure 2.
In addition; Get into the lubricant oil of crankshaft rear bearing 106 through oil duct b on the IC engine airframe; Except that crankshaft rear bearing 106 is lubricated, there is parts of lubricating oil to get into crank round slider lubricating system 10 through described crankshaft rear bearing 106, the kinematic pair in the crank round slider lubricating system 10 is lubricated.
In the V-type internal combustion engine of present embodiment, about the piston, smooth block of two cylinders constitute circular slider-crank mechanism with bent axle and can have identical lubrication system, be the example explanation only in the present embodiment to the lubrication system of the circular slider-crank mechanism of a cylinder wherein.
In circular slider-crank mechanism, its kinematic pair comprises the sliding pair of revolute pair and piston and the cylinder or the cylinder sleeve formation of revolute pair, smooth block and piston formation that bent axle and smooth block constitute at least; The friction pair of the revolute pair that the friction pair of the revolute pair that crank round slider lubricating system 10 can be successively constitutes to said bent axle smooth block, smooth block and piston constitute and piston lubricate with the friction pair fuel feeding of cylinder or cylinder sleeve formation sliding pair.
As shown in Figure 2; In the crank round slider lubricating system 10 of the present invention; Comprise and be arranged on the bent axle and be communicated with crankshaft rear bearing seat 106 and the crankshaft oil gallery k of crank pin bearing 108; Be arranged on the smooth block and be communicated with crank pin bearing 108 and the smooth block oil duct l of smooth block lining 110, be arranged on the piston and be communicated with smooth block lining 110 and the piston oil duct m of piston guide side.
Said crankshaft oil gallery k is the lubricating oil path that is arranged in the bent axle, comprise in the crank pin that is arranged at bent axle central oil passage along central axis, with said central oil passage be communicated with and lead to bent axle the main journal outer circumferential face oilhole and be communicated with and lead to the oilhole of the smooth block fitting surface (being the crank pin bearing inner peripheral surface) of the crank pin of bent axle with said central oil passage.
Wherein, the crankshaft rear bearing 106 of described crankshaft main journal and internal-combustion engine constitutes revolute pair, and the oilhole that leads to the main journal outer circumferential face of bent axle can be connected with crankshaft rear bearing 106.The oilhole of smooth block fitting surface that leads to the crank pin of bent axle is arranged at said crank pin radially, is used for being communicated with the central oil passage of crank pin and the smooth block fitting surface of crank pin.
Said smooth block oil duct 1 comprise the outer circumferential face that is communicated with said smooth block with and the fuel feeding path of eccentric circular hole.Position and the fuel feeding path on the smooth block of oilhole that the smooth block fitting surface that leads to crankshaft pin can be set is in the aperture position of said eccentric circular hole inner peripheral surface; Corresponding opening can intermittent be aimed at when the revolute pair that makes said bent axle and smooth block constitute was worked, thereby can realize by crankshaft oil gallery k to the intermittent fuel feeding of said smooth block oil duct l.
In addition, smooth block oil duct l can also comprise the oil groove that is communicated with eccentric circular hole on the end face that is arranged at smooth block, and this oil groove is used for the lubricant oil on the friction pair of the revolute pair of smooth block and bent axle formation is derived the end face of Castor Oil smooth block.Particularly, when perhaps the both ends of the surface part has the anti-attrition sheet, help alleviating friction for when the end face distance crankshaft main journal end face of said smooth block is nearer.In addition, the lubricant oil of derivation is partly refluxed among the Fuel Tanking Unit 101a shown in Figure 2.
Said piston oil duct m comprises oil groove that is arranged at said piston guide side plate outer side surface direction (promptly towards the cylinder of internal-combustion engine direction) and the fuel feeding oil duct that is communicated with the circular slider accommodation hole of said oil groove and said piston.
Through described piston oil duct m, can be communicated with the smooth block oil duct l that is arranged in the circular slider accommodation hole, lubricant oil is supplied to piston guide side plate outer side surface.In addition, but storage area lubricant oil in the described oil groove, to guarantee sufficient lubrication.
In addition; Aperture position and the smooth block oil duct l of said piston oil duct m on the inner peripheral surface of said circular slider accommodation hole can be set in the aperture position of smooth block outer circumferential face; Can intermittent aim at when the revolute pair that makes smooth block and piston constitute is worked, thereby realize by the intermittent fuel feeding of said smooth block oil duct l to piston oil duct m.Here be not described in detail.
In addition, on piston, can also be provided with the lubricant oil nozzle towards the piston head back side, said lubricant oil nozzle is communicated with described piston oil duct m.Thereby, can spray to the back side at the top of piston by said lubricant oil nozzle through the lubricant oil of piston oil duct m, described piston head is cooled off.Wherein, Through the position of said piston oil duct m on the inner peripheral surface of circular slider accommodation hole is set; Can realize that piston oil duct m and smooth block oil duct l are intermittent and aim at; Thereby can make the lubricant oil in the smooth block oil duct import piston oil duct m, realize the intermittent oil spout cooling in the back side of piston head with certain pressure intermittence.For example, cool off in the time of can being provided with piston difference stroke.
In addition; Except that the oil spout cooling; At said piston head the cooling oil duct that is communicated with piston oil duct m can also be set, said cooling oil duct m is communicated with return port on being arranged at piston, at lubricant oil through described cooling oil duct and when return port is back to Fuel Tanking Unit 101a shown in Figure 2; Can realize cooling, repeat no more here piston head.
In addition, in the lubricating system of IC engine of the above embodiments, can also comprise cooling unit, temperature-detecting device, pressure-detecting device etc., with the mode of routine said apparatus inserted and get final product, launch description here no longer in detail.
In the embodiments of the invention, make full use of IC engine airframe space and gear chamber cover, rear-end plate and arrange oil duct, and make as far as possible and shorten oil duct length, reduce and repeat to arrange, make the body simplified manufacturing process.
Crank circular slider internal-combustion engine lubrication system of the present invention can be applicable in the crank circular slider internal-combustion engine, and the present invention also provides a kind of internal-combustion engine of crank round slider, is not described in detail here.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (9)
1. the lubrication system of an internal-combustion engine; Be applied to crank circular slider internal-combustion engine; Comprise the body main oil gallery that is communicated with Fuel Tanking Unit through oil pump, it is characterized in that: also comprise be communicated with said body main oil gallery, to the crank round slider lubricating system of the friction pair supplying lubricating oil of the kinematic pair of the circular slider-crank mechanism of described internal-combustion engine; Be communicated with said body main oil gallery, be used for lubricated valve cam lubricating system being provided to the distribution cam axle front and back bearings; Be communicated with said valve cam lubricating system, be used for to high-pressure service pump camshaft front and back bearings provide lubricated high-pressure service pump camshaft lubrication system and be communicated with said valve cam lubricating system, to cylinder pitman arm shaft bearing lubricated pitman arm shaft lubricating system is provided;
Wherein, said valve cam lubricating system comprise along described distribution cam axle central axial direction with and the oil duct that radially is provided with, be communicated with the front and back bearings of valve cam; The fore bearing of distribution cam axle is communicated with described body main oil gallery through bent axle rotor plate bearing.
2. the lubrication system of internal-combustion engine as claimed in claim 1, it is characterized in that: the fore bearing of said internal-combustion engine is communicated with described valve cam fore bearing through the oil duct that is arranged on the body.
3. the lubrication system of internal-combustion engine as claimed in claim 1 is characterized in that: said high-pressure service pump camshaft lubrication system comprise be communicated with said high-pressure service pump camshaft rear bearing and the oil duct of said valve cam rear bearing, along high-pressure service pump camshaft central axis and radially be provided with, be communicated with the oil duct of said high-pressure service pump camshaft front and back bearings.
4. the lubrication system of internal-combustion engine as claimed in claim 1 is characterized in that: said pitman arm shaft lubricating system comprise be arranged at pitman arm shaft cylinder-body oil duct on the internal combustion engine cylinders, that be communicated with said distribution cam axle rear bearing, be arranged in the pitman arm shaft cylinder cap oil duct that is communicated with said pitman arm shaft cylinder-body oil duct on the cylinder cap, the pedestal oil duct that is arranged at the connection pitman arm shaft cylinder cap oil duct on the pitman arm shaft pedestal, the pitman arm shaft along the pitman arm shaft central oil passage that is communicated with said pedestal oil duct of its central axis setting and be arranged at the pitman arm shaft two end part along its oilhole radially.
5. the lubrication system of internal-combustion engine as claimed in claim 1 is characterized in that: said crank round slider lubricating system is communicated with described body main oil gallery through the rear bearing of bent axle.
6. the lubrication system of internal-combustion engine as claimed in claim 5 is characterized in that: the kinematic pair of said circular slider-crank mechanism comprises the revolute pair that revolute pair that bent axle and smooth block constitute, smooth block and piston constitute and the sliding pair of piston and cylinder or cylinder sleeve formation at least;
The friction pair of the revolute pair that the friction pair of the revolute pair that said crank round slider lubricating system constitutes to said bent axle smooth block successively, smooth block and piston constitute and piston lubricate with the friction pair fuel feeding of cylinder or cylinder sleeve formation sliding pair.
7. the lubrication system of internal-combustion engine as claimed in claim 6 is characterized in that:
Said crank round slider lubricating system comprises the crankshaft oil gallery that is arranged on the said bent axle, is arranged at the smooth block oil duct on the smooth block and is arranged at the piston oil duct on the said piston;
Said crankshaft oil gallery comprise in the crank pin that is arranged at bent axle central oil passage along central axis, with said central oil passage be communicated with and lead to bent axle the main journal outer circumferential face oilhole and with said central oil passage the oilhole of the smooth block fitting surface of crank pin that be communicated with and that lead to bent axle;
Said smooth block oil duct comprise the outer circumferential face that is communicated with said smooth block with and the fuel feeding path of eccentric circular hole;
Said piston oil duct comprises oil groove that is arranged at said piston guide side plate outer side surface and the fuel feeding oil duct that is communicated with the circular slider accommodation hole of said oil groove and said piston.
8. the lubrication system of internal-combustion engine as claimed in claim 7; It is characterized in that: on said piston, also be provided with lubricant oil nozzle towards the piston head back side; Said lubricant oil nozzle is communicated with the piston oil duct on the said piston; Lubricant oil in the said piston oil duct can be through said lubricant oil nozzle to the oil spout of the back side of said piston head, so that said piston head is cooled off.
9. a crank circular slider internal-combustion engine is characterized in that, comprises the described lubrication system of aforesaid right requirement 1 to 8 arbitrary claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910236206 CN101694169B (en) | 2009-10-22 | 2009-10-22 | Lubricating system of internal combustion engine and internal combustion engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910236206 CN101694169B (en) | 2009-10-22 | 2009-10-22 | Lubricating system of internal combustion engine and internal combustion engine thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101694169A CN101694169A (en) | 2010-04-14 |
| CN101694169B true CN101694169B (en) | 2012-07-04 |
Family
ID=42093161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910236206 Expired - Fee Related CN101694169B (en) | 2009-10-22 | 2009-10-22 | Lubricating system of internal combustion engine and internal combustion engine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101694169B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012090318A1 (en) * | 2010-12-28 | 2012-07-05 | トヨタ自動車株式会社 | High-pressure pump |
| CN103867251A (en) * | 2014-01-01 | 2014-06-18 | 徐亚芹 | Engine lubricating system |
| CN107559063B (en) * | 2017-10-11 | 2023-12-08 | 芜湖钻石航空发动机有限公司 | Engine lubricating system and engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100358A (en) * | 1985-04-01 | 1986-08-20 | 黎正中 | Crankshaft circular slide block reciprocating piston internal combustion engine |
| CN1144879A (en) * | 1995-06-13 | 1997-03-12 | 黎正中 | Crank and double-round slide reciprocating piston internal combustion engine |
| CN2331764Y (en) * | 1998-06-16 | 1999-08-04 | 重庆鼎立新型发动机有限公司 | Crank round block slider reciprocating piston engine |
| KR20040043760A (en) * | 2002-11-20 | 2004-05-27 | 현대자동차주식회사 | Oil jet apparatus using connecting rod |
-
2009
- 2009-10-22 CN CN 200910236206 patent/CN101694169B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100358A (en) * | 1985-04-01 | 1986-08-20 | 黎正中 | Crankshaft circular slide block reciprocating piston internal combustion engine |
| CN1144879A (en) * | 1995-06-13 | 1997-03-12 | 黎正中 | Crank and double-round slide reciprocating piston internal combustion engine |
| CN2331764Y (en) * | 1998-06-16 | 1999-08-04 | 重庆鼎立新型发动机有限公司 | Crank round block slider reciprocating piston engine |
| KR20040043760A (en) * | 2002-11-20 | 2004-05-27 | 현대자동차주식회사 | Oil jet apparatus using connecting rod |
Non-Patent Citations (1)
| Title |
|---|
| 孙建新.润滑***的组成和润滑油路.《内燃机构造与原理》.2009,174-177. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101694169A (en) | 2010-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9074474B2 (en) | Pump, in particular a high-pressure fuel pump | |
| CN101761417B (en) | Gear chamber cover of crank round sliding block internal-combustion engine, engine block assembly and internal-combustion engine thereof | |
| CN101715507A (en) | Lubricating apparatus and method for dosing cylinder lubricating oil | |
| US9879643B2 (en) | Fuel pump mounting structure for engine | |
| JP2007224833A (en) | Fuel injection system for internal combustion engine | |
| CN101694169B (en) | Lubricating system of internal combustion engine and internal combustion engine thereof | |
| WO2010035287A1 (en) | System for driving a fuel pump | |
| US11111893B2 (en) | Tappet assembly for use in a high-pressure fuel system of an internal combustion engine | |
| US6955142B2 (en) | Piston and cylinder oil squirter rail and system | |
| CN1202351C (en) | Lubricant oil pump unit | |
| US8813715B2 (en) | Vertical engine | |
| JP5852561B2 (en) | Lubricating oil pump, cylinder lubricating system, and internal combustion engine | |
| US6230680B1 (en) | High-precision three-valve motorcycle engine lubrication | |
| US7481298B2 (en) | Lubricating structure of hydrostatic continuously variable transmission | |
| CN101694170A (en) | Lubricating system of crank circular slide block combustion engine and combustion engine thereof | |
| US8701623B2 (en) | Multi-link, adjustable-stroke type engine | |
| CN108104946B (en) | Lubricating system for variable compression ratio engine | |
| US20120210983A1 (en) | Vertical, multi-link, adjustable-stroke type engine | |
| CN101761358B (en) | Rear-end cover plate of V-shaped crank circular slide block internal-combustion engine body, engine body and internal-combustion engine | |
| CN113785138B (en) | Internal combustion engine with a mass-balanced transmission with two balance shafts | |
| US10513953B2 (en) | Drive system and associated motor vehicle | |
| JP2009209835A (en) | Oiling device of engine | |
| US20170114685A1 (en) | Lubricating structure of internal combustion engine and motorcycle | |
| CN221322531U (en) | Power assembly | |
| CN108729976B (en) | Complete machine oil way device and flow direction control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Ming Document name: payment instructions |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Ming Document name: payment instructions |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Ming Document name: Notice of Termination of Patent Rights |
|
| 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: 20120704 |