CN206694090U

CN206694090U - Oil piping system and its engine for engine

Info

Publication number: CN206694090U
Application number: CN201720229759.6U
Authority: CN
Inventors: 丁宇超
Original assignee: Chongqing Longxin Engine Co Ltd
Current assignee: Chongqing Longxin Engine Co Ltd
Priority date: 2017-03-08
Filing date: 2017-03-08
Publication date: 2017-12-01
Anticipated expiration: 2027-03-08

Abstract

The utility model discloses a kind of oil piping system and its engine for engine, oil piping system wherein for engine includes the crankshaft oil passage that is arranged in bent axle and the crankcase oil duct for being arranged at crankcase, the import of the crankshaft oil passage be arranged at the cylindrical of bent axle shaft part and with the outlet of crankcase oil duct；By the way that the import of crankshaft oil passage is arranged at into the cylindrical of bent axle shaft part, ensure that parts are conveniently installed at the both ends of bent axle, lubricated beneficial to crankshaft-link rod by oil duct, ensure the service life length of each parts, meanwhile, it is simple in construction, it is easily manufactured；Simultaneously by the setting of support base, ensure that while effectively lubricating bent axle antiwhip can be improved.

Description

Oil piping system and its engine for engine

Technical field

It the utility model is related to engine lubrication field, and in particular to a kind of oil piping system for engine and its start Machine.

Background technology

Engine lubrication system be used for when engine work continuously by quantity is enough and cleaning that temperature is appropriate Lubricating oil is transported to the friction surface of moving parts, and oil film is formed between friction surface, frictional resistance reduction, power is disappeared Consumption reduces and component wear mitigates, to improve the reliability and durability of engine work；In the prior art, the profit of crankshaft-link rod Lubricating oil road typically from the oil-feed of crank end face, then enters crank-pin by crank, then big end is lubricated, and finally falls after rise To crankcase bottom；And when for some crankshaft ends, parts need to be set, for example one end of bent axle is mounted directly CVT actively Belt pulley, when the other end installs hand pulling start device, the oil-feed of crank end face can not be met, be unfavorable for crankshaft-link rod and moistened by oil duct It is sliding.

Therefore, be solve problem above, it is necessary to which a kind of oil piping system and its engine for engine, disclosure satisfy that song While the parts installation of axle both ends, lubricated beneficial to crankshaft-link rod by oil duct, ensure the service life length of each parts, together When, it is simple in construction, it is easily manufactured.

Utility model content

In view of this, the purpose of this utility model is the defects of overcoming in the prior art, there is provided the oil circuit for engine System and its engine, while disclosure satisfy that the installation of crankshaft two end parts, lubricated, ensured by oil duct beneficial to crankshaft-link rod The service life length of each parts, meanwhile, it is simple in construction, it is easily manufactured.

Oil piping system of the present utility model for engine, including the crankshaft oil passage being arranged in bent axle and it is arranged at song The crankcase oil duct of axle box, the import of crankshaft oil passage are arranged at the cylindrical of bent axle shaft part and connected with the outlet of crankcase oil duct It is logical；The import of crankshaft oil passage is disposed in proximity to the bent axle shaft part of clutch end, by the way that the import of crankshaft oil passage is arranged at into song Axle shaft part it is cylindrical, ensure that parts are conveniently installed at the both ends of bent axle, lubricated beneficial to crankshaft-link rod by oil duct, ensure it is each zero The service life length of part, meanwhile, it is simple in construction, it is easily manufactured.

Further, crankcase forms the pressurize chamber coordinated with crank rotation, and the outlet of crankcase oil duct is arranged at pressurize chamber Inner circle and with the inlet communication of crankshaft oil passage；By the way that the outlet of crankcase oil duct to be arranged to the inner circle of pressurize chamber, lubricating oil Into the inner circle of pressurize chamber, lubricating oil is driven by oil pump and is pressed into the import of crankshaft oil passage 1 in the rotation process of bent axle, ensures To the continuous oil supply of crankshaft oil passage 1.

Further, the inner circle of pressurize chamber is provided with the annular groove for being coated at bent axle shaft part, and annular groove and crankshaft oil passage enter opening's edge Axial face；While annular groove has oil-feed and oil storage, also act as the effect of pressurize, prevent because lubrication shortage of oil and caused by connecting rod The phenomenon of major part locking.

Further, the outlet of crankcase oil duct is located at annular groove inwall；There is larger pressure beneficial to the lubricating oil of annular groove, ensure High lubricating effect between crank-pin and big end end；The groove width of annular groove is more than the diameter of crankshaft oil passage import；Beneficial to lubricating oil Enter crankshaft oil passage from annular groove, ensure stability of flow in crankshaft oil passage.

Further, pressurize chamber is formed by crankcase madial wall is inwardly in the axial direction, and pressurize chamber is with being arranged at crankcase The bearing mounting hole of body is coaxial and adjacent；The bearing mounting hole and external trepanning for avoiding crankcase are interfered, while pressurize chamber and axial direction The adjacent lubricating oil beneficial in crankcase oil duct of mounting hole is to bearing lubrication, while overcoat has supporting role to bent axle, improves Antiwhip.

Further, crankshaft oil passage includes radially running through the bent axle radial direction oil of bent axle, connected with bent axle radial direction oil Bent axle axial direction oil duct and with the crank pin that bent axle axial direction oil duct connects to oil duct, crank pin is to oil duct by along crank-pin The crank-pin oil input channel and crank-pin oil road being radially arranged are respectively with bent axle axial direction oil duct and being arranged at that crank-pin is cylindrical to be gone out Hydraulic fluid port connects；Bent axle radial direction oil can be multiple and circumferentially distributed along bent axle, increase crankshaft oil passage inlet flow rate, certainly, such as scheme Shown, the inner port encapsulation process of bent axle axial direction oil duct, bent axle axial direction oil duct passes through the oblique oil duct of bent axle with crank-pin oil input channel Connection.

Further, crankcase oil duct comprise at least be axially disposed at left crankcase crankcase axial direction oil duct and with song The oblique oil duct of crankcase that axle box axial direction oil duct staggeredly connects, upper port the going out for crankcase oil duct of the oblique oil duct of crankcase Mouthful；By the setting of the oblique oil duct of crankcase and crankcase axial direction oil duct, simplify the processing of crankcase oil duct；And pass through external oil Pipe is beneficial to reduce crankcase other oil ducts setting with engine cylinder head oil communication, while ensures engine cylinder head oil circuit fuel feeding Can be good.

The invention also discloses a kind of engine, engine includes engine body and is arranged at the oil circuit of engine body System；Oil piping system is the oil piping system of said structure, installs parts respectively beneficial to the crankshaft two end of engine, ensures simultaneously Lubrication between crankshaft-link rod, improve service life of aeroengine.

The beneficial effects of the utility model are：A kind of oil piping system and its hair for engine disclosed in the utility model Motivation, by the way that the import of crankshaft oil passage is arranged at into the cylindrical of bent axle shaft part, ensure that parts are conveniently installed at the both ends of bent axle, profit Lubricated in crankshaft-link rod by oil duct, ensure the service life length of each parts, meanwhile, it is simple in construction, it is easily manufactured；Lead to simultaneously The setting of pressurize chamber is crossed, ensures that while effectively lubricating bent axle antiwhip can be improved.

Brief description of the drawings

The utility model is further described with reference to the accompanying drawings and examples：

Fig. 1 is the structural representation for the oil piping system that the utility model is used for engine；

Fig. 2 is crankcase structure schematic diagram in the utility model；

Fig. 3 is the structural representation of the utility model engine.

Embodiment

Fig. 1 is the structural representation for the oil piping system that the utility model is used for engine, and Fig. 2 is bent axle in the utility model Box structure schematic diagram, Fig. 3 are the structural representation of the utility model engine, as illustrated, being used to start in the present embodiment The oil piping system of machine；Including the crankshaft oil passage 1 being arranged in bent axle and the crankcase oil duct 2 for being arranged at crankcase, bent axle oil The import 4 in road 1 is arranged at the cylindrical of bent axle shaft part 7 and connected with the outlet 5 of crankcase oil duct；The import 4 of crankshaft oil passage is set In the bent axle shaft part 7 close to clutch end, the left end of bent axle is mounted directly CVT changes for clutch end and in the left end of bent axle The drive pulley of fast device；Lubricating oil in oil sump is delivered in crankshaft oil passage by oil pump by crankcase oil duct, bent axle oil The outlet in road 1 is arranged at the cylindrical of crank-pin and crank-pin and big end contact surface is lubricated, by by crankshaft oil passage 1 Import be arranged at the cylindrical of bent axle shaft part 7, ensure that parts are conveniently installed at the both ends of bent axle, pass through oil duct beneficial to crankshaft-link rod Lubrication, ensure the service life length of each parts, meanwhile, it is simple in construction, it is easily manufactured.

In the present embodiment, crankcase forms the pressurize chamber 6 coordinated with crank rotation, and the outlet of crankcase oil duct is arranged at guarantor Press chamber 6 inner circle and with the inlet communication of crankshaft oil passage；By the way that the outlet 5 of crankcase oil duct 2 is arranged in pressurize chamber 6 Circle, lubricating oil enter the inner circle of pressurize chamber 6, and lubricating oil is driven by oil pump and is pressed into crankshaft oil passage 1 in the rotation process of bent axle Import, ensure to the continuous oil supply of crankshaft oil passage 1.

In the present embodiment, the inner circle of pressurize chamber 6 is provided with the annular groove 3 for being coated at bent axle shaft part 7, annular groove 3 and crankshaft oil passage Import face vertically；Face represents that the import of crankshaft oil passage 1 is alignd with annular groove 3 vertically, and annular groove 3 has oil-feed and oil storage While, also act as the effect of pressurize, prevent because lubrication shortage of oil and caused by big end locking phenomenon.

In the present embodiment, the outlet of crankcase oil duct is located at annular groove inwall；There is larger pressure beneficial to the lubricating oil of annular groove 3 By force, high lubricating effect between crank-pin and big end end is ensured；The groove width of annular groove is more than the diameter of crankshaft oil passage import；It is beneficial to Lubricating oil enters crankshaft oil passage 1 from annular groove 3, ensures stability of flow in crankshaft oil passage 1.

In the present embodiment, pressurize chamber 6 is formed by crankcase madial wall is inwardly in the axial direction, and support base 6 is with being arranged at The bearing mounting hole 8 of crankcase is coaxial and adjacent；Bearing mounting hole 8 is coated at bent axle rolling bearing for installation, as schemed institute Show, inwardly represent to be axially directed to crank from the end of bent axle, the bearing mounting hole 8 and external trepanning for avoiding crankcase are interfered, together When the lubricating oil beneficial in crankcase oil duct adjacent with axially mounted hole of pressurize chamber 6 to bearing lubrication, while pressurize chamber 6 is to bent axle With supporting role, antiwhip is improved.

In the present embodiment, crankshaft oil passage includes the bent axle radial direction oil 1a for radially running through bent axle and bent axle radially oil The bent axle axial direction oil duct 1b of road 1a connections and with the crank pin that bent axle axial direction oil duct 1b is connected to oil duct 1c, crank-pin axial oil Road 1c by the crank-pin oil input channel 11c and crank-pin oil road 12c that are radially arranged along crank-pin respectively with bent axle axial direction oil duct Oil-out cylindrical with crank-pin is arranged at 1b connects；Bent axle radial direction oil 1a can be multiple and circumferentially distributed along bent axle, increase Crankshaft oil passage inlet flow rate, certainly, as illustrated, bent axle axial direction oil duct 1b inner port encapsulation process, bent axle axial direction oil duct 1b Connected with crank-pin oil input channel 11c by the oblique oil duct of bent axle.

In the present embodiment, crankcase oil duct 2 comprises at least the crankcase axial oil for being axially disposed at left crankcase 10 Road 2a and the oblique oil duct 2b of crankcase connected that interlocks with crankcase axial direction oil duct 2a, the oblique oil duct 2b of crankcase upper port are The outlet of crankcase oil duct 2；Crankcase axial direction oil duct 2a and the oblique equal straight line pylones of oil duct 2b of crankcase, the oblique oil duct of crankcase 2b lower port is sealed by plug, and crankcase axial direction oil duct 2a external port is connected by external oil pipe and engine cylinder head oil circuit Logical, crankcase axial direction oil duct 2a inner port directly connects with the oil duct of right crankshaft box；By the oblique oil duct 2b of crankcase and Crankcase axial direction oil duct 2a setting, simplify the processing of crankcase oil duct 2；And pass through external oil pipe 9 and engine cylinder head oil circuit Connection is beneficial to reduce crankcase other oil ducts setting, while ensures that engine cylinder head oil circuit oil supply performance is good.

Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model Enclose, it all should cover among right of the present utility model.

Claims

A kind of 1. oil piping system for engine, it is characterised in that：Including the crankshaft oil passage being arranged in bent axle and it is arranged at The crankcase oil duct of crankcase, the import of the crankshaft oil passage are arranged at the cylindrical of bent axle shaft part and gone out with crankcase oil duct Mouth connection.
2. the oil piping system according to claim 1 for engine, it is characterised in that：The crankcase is formed and bent axle The pressurize chamber being rotatably assorted, the outlet of the crankcase oil duct are arranged at the inner circle of pressurize chamber and connected with the import of crankshaft oil passage It is logical.
3. the oil piping system according to claim 2 for engine, it is characterised in that：The inner circle of the pressurize chamber is set There is an annular groove for being coated at bent axle shaft part, the import of the annular groove and crankshaft oil passage face vertically.
4. the oil piping system according to claim 3 for engine, it is characterised in that：The outlet of the crankcase oil duct Positioned at the annular groove inwall；The groove width of the annular groove is more than the diameter of crankshaft oil passage import.
5. the oil piping system according to claim 2 for engine, it is characterised in that：The pressurize chamber is by crankcase Madial wall formation inwardly in the axial direction, the pressurize chamber are coaxial and adjacent with the bearing mounting hole for being arranged at crankcase.
6. the oil piping system according to claim 1 for engine, it is characterised in that：The import of the crankshaft oil passage is set It is disposed adjacent to the bent axle shaft part of clutch end.
7. the oil piping system according to claim 1 for engine, it is characterised in that：The crankshaft oil passage is included along footpath Connect to the bent axle radial direction oil for running through bent axle, the bent axle axial direction oil duct connected with bent axle radial direction oil and with bent axle axial direction oil duct For logical crank pin to oil duct, the crank pin passes through the crank-pin oil input channel and crank that are radially arranged along crank-pin to oil duct Pin oil road is respectively with bent axle axial direction oil duct and being arranged at the cylindrical oil-out of crank-pin and connecting.
8. the oil piping system according to claim 1 for engine, it is characterised in that：The crankcase oil duct at least wraps Include the crankcase axial direction oil duct for being axially disposed at left crankcase and the crankcase connected that interlocks with crankcase axial direction oil duct is oblique To oil duct, the upper port of the oblique oil duct of crankcase is the outlet of crankcase oil duct.
9. the oil piping system according to claim 1 for engine, it is characterised in that：The crankcase oil duct also passes through External oil pipe and the cylinder head oil communication for being arranged at engine cylinder head.
A kind of 10. engine, it is characterised in that：The engine includes engine body and is arranged at the oil circuit of engine body System；The oil piping system is the oil piping system for engine described in claim 1-9 any claims.