CN110259596A - Engine - Google Patents
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- Publication number
- CN110259596A CN110259596A CN201910543470.5A CN201910543470A CN110259596A CN 110259596 A CN110259596 A CN 110259596A CN 201910543470 A CN201910543470 A CN 201910543470A CN 110259596 A CN110259596 A CN 110259596A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- crankshaft
- case lid
- crankshaft base
- base
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/14—Features relating to lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
- F01M2001/062—Crankshaft with passageways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/22—Internal combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of engines, including crankcase, crankcase cover and crankshaft；The crankcase is equipped with the cabinet crankshaft base for being used to support crankshaft journal I, is provided with the case lid crankshaft base for being used to support crankshaft journal II on crankcase cover；Top be equipped with corresponding with cabinet crankshaft base is used to guide the cabinet to cabinet crankshaft base to keep off oil rib the lubricating oil come that splashes by gravity on the inside of the crankcase；The cabinet crankshaft base is equipped with the cabinet sluice way that the lubricating oil for keeping off oily rib from cabinet is led to cabinet crankshaft base bore；Substitution bearing is designed by using special oil duct and increases Oil Guide and oil-bearing structure, oil storage tank is especially designed on crankshaft, conducive to oil storage and the lubrication secondary to friction, conducive to the lightweight of engine, it promotes engine power to weight ratio and reduces cost, it is conducive to reduce the noise that engine is generated by rolling bearing simultaneously, promotes sound quality；And structure is simply convenient for manufacturing.
Description
Technical field
The present invention relates to heat engine fields, and in particular to a kind of engine.
Background technique
Engine lubrication system is for when the engine is working continuously by quantity temperature cleaning appropriate enough
Lubricating oil is transported to the friction surface of moving parts, and oil film is formed between friction surface, and frictional resistance reduction, power is made to disappear
Consumption reduces and component wear mitigates, to improve the reliability and durability of engine operation.
In the prior art, the crankshaft of engine splashes lubrication often using bearing support, and the use of bearing not only increases
Engine weight is unfavorable for the lightweight of engine, and bearing element inevitably brings noise, while increasing cost.
The existing put-put for cancelling bearing is often lubricated by the way of increasing independent lubricating device, is unfavorable for engine
Lightweight, and cause processing step complicate and increased costs；Patent CN104564221 is related to a kind of strong lubricating type crankcase
And its gasoline engine, crankshaft bearing lubricant effect is improved by increasing oil-way on box cover crankshaft hole, by the program
It applies and carries out verification experimental verification on put-put, obtained experimental result are as follows: there is the crankshaft adjustment face lubrication for cancelling bearing
It is insufficient, lack of lubrication is caused to make crankshaft and crankshaft bore due to lack of lubrication the problem of locking within work 80 hours.
Based on problem above, the present invention provides a kind of engine.The engine designs substitution axis by using special oil duct
It holds, and increase design on oil guide structure, especially crankshaft journal at cabinet crankshaft base bore and case lid crankshaft base bore to have storage
Oil groove is conducive to hair conducive to oil storage and the lubrication secondary to the friction formed between crankshaft and crankcase and between crankshaft and crankcase cover
The lightweight of motivation promotes engine power to weight ratio and reduces cost, meanwhile, it makes an uproar conducive to engine is reduced because what rolling bearing generated
Sound promotes engine sound quality；And structure is simply convenient for manufacturing.
Summary of the invention
In view of this, engine provided by the invention, designs substitution bearing by using special oil duct, and in cabinet crankshaft
Seat bore and case lid crankshaft base bore at increase oil guide structure, especially crankshaft journal on design have oil storage tank, be conducive to oil storage and
The lubrication secondary to the friction formed between crankshaft and crankcase and between crankshaft and crankcase cover mentions conducive to the lightweight of engine
It rises engine power to weight ratio and reduces cost, meanwhile, conducive to the noise that engine is generated by rolling bearing is reduced, promote engine sound
Timbre matter；And structure is simply convenient for manufacturing.
Engine of the invention, including crankcase, crankcase cover and crankshaft；The crankcase is equipped with and is used to support
The cabinet crankshaft base of crankshaft journal I is provided with the case lid crankshaft base for being used to support crankshaft journal II on crankcase cover；
I outer round surface of crankshaft journal is equipped with crankshaft oil storage tank I, the position part or all of in the axial direction of crankshaft oil storage tank I
In cabinet crankshaft base bore region, II outer round surface of crankshaft journal is equipped with crankshaft oil storage tank II, and crankshaft oil storage tank II is in axis
It is positioned partially or entirely in case lid crankshaft base bore region upwards；Crankshaft oil storage tank I and crankshaft oil storage tank II on general structure
The region in cabinet crankshaft base bore and in case lid crankshaft base bore should be corresponded to after crankshaft installed to be partially located at certainly
Still has the effect of setting in bore, details are not described herein；The structure be conducive to the storage of lubricating oil and for cabinet crankshaft base and
More lubricating oil are provided with the rubbing surface between case lid crankshaft base and crankshaft journal II between crankshaft journal I, are conducive to guarantee that cabinet is bent
The lubrication of rubbing surface between axle bed and crankshaft journal I and between case lid crankshaft base 21 and crankshaft journal II32；As crankshaft is along circle
Circumferential direction rotation, lubricating oil can respectively enter and form oil storage in crankshaft oil storage tank I and crankshaft oil storage tank II, and as crankshaft is along circle
Circumferential direction rotates band to crankshaft journal I and cabinet crankshaft base and the friction pair formed between crankshaft journal II and case lid crankshaft base,
Conducive to the secondary sufficient lubrication of the friction formed between crankshaft journal I and cabinet crankshaft base and crankshaft journal II and case lid crankshaft base；
Further, top be equipped with corresponding with cabinet crankshaft base is used to splash by gravity on the inside of the crankcase
Lubricating oil guide the cabinet to cabinet crankshaft base to keep off oily rib；By in-engine when along the circumferential direction being rotated conducive to blocking crankshaft
Connecting rod gets rid of the lubricating oil that oil skip has been got rid of；The cabinet keeps off oily rib and is set to radial outside above cabinet crankshaft base；
The cabinet crankshaft base, which is equipped with, draws the cabinet that the lubricating oil for keeping off oily rib from cabinet leads to cabinet crankshaft base bore
Runner；After crankshaft assembly, lubricating oil that oil skip has been got rid of is got rid of when crankshaft is along the circumferential direction rotated by case by in-engine connecting rod
Body, which keeps off oily rib, to be stopped, and the lubricating oil being blocked is entered in cabinet crankshaft base bore by cabinet sluice way, is conducive to cabinet crankshaft
The secondary lubrication of the friction formed between seat and crankshaft journal I；
The top lubrication being equipped with for carrying out splashing by gravity corresponding with case lid crankshaft base on the inside of the crankcase cover
The case lid of oil guidance to case lid crankshaft base keeps off oily rib；It is got rid of conducive to when crankshaft being stopped along the circumferential direction to rotate by in-engine connecting rod
The lubricating oil that oil skip has been got rid of；The case lid keeps off oily rib and is set to radial outside above case lid crankshaft base；
The case lid crankshaft base, which is equipped with, draws the cabinet that the lubricating oil for keeping off oily rib from case lid leads to case lid crankshaft base bore
Runner；After crankshaft assembly, lubricating oil that oil skip has been got rid of is got rid of when crankshaft is along the circumferential direction rotated by case by in-engine connecting rod
Lid, which keeps off oily rib, to be stopped, and the lubricating oil being blocked is entered in case lid crankshaft base bore by case lid sluice way, is conducive to case lid crankshaft
The secondary lubrication of the friction formed between seat and crankshaft journal II.
Further, both sides of the edge seamlessly transit in the circumferential direction for the crankshaft oil storage tank I and crankshaft oil storage tank II, this is flat
Slip over that cross can be to carry out fillet processing in oil storage groove edge, the crankshaft oil storage tank I and II edge of crankshaft oil storage tank of the structure can have
Effect avoids damage to the oil film of lubricating oil, and is conducive to guidance lubricating oil and returns in crankshaft oil storage tank I and crankshaft oil storage tank II, is conducive to
It is recycled and enters lubrication plane of rotation, preferably lubricate crankshaft journal.
Further, the cabinet sluice way include be opened in cabinet crankshaft base cabinet drainage entrance and be opened in cabinet song
The cabinet oil storage tank of axle bed bore internal circular surfaces, cabinet drainage entrance and the cabinet keep off oily rib and drain that flow direction is corresponding (to be referred to
Be kept off positioned at cabinet oily the drawn lubricating oil of rib flow direction it is corresponding, for example be located near the root of cabinet gear oil rib,
This is repeated no more) and extend radially through in cabinet crankshaft base to cabinet crankshaft base bore；Cabinet keeps off oily rib and stops the lubrication collected
Oil enters the cabinet oil storage tank of cabinet crankshaft base bore internal circular surfaces along cabinet drainage entrance, to cabinet crankshaft base and crankshaft axis
The friction pair formed between neck I carries out sufficient lubrication, reduces abrasion；The quantity of the cabinet oil storage tank can lubricate needs according to practical
Setting；
The case lid sluice way includes being opened in the case lid drainage entrance of case lid crankshaft base and being opened in case lid crankshaft base seat
The case lid oil storage tank of hole internal circular surfaces, case lid drainage entrance and the case lid keep off oily rib and drain that flow direction is corresponding (to refer to position
It is corresponding in the flow direction that case lid keeps off the drawn lubricating oil of oily rib, for example be located at case lid and keep off near the root of oily rib, herein no longer
Repeat) and extend radially through in case lid crankshaft base to case lid crankshaft base bore；Case lid keep off oily rib stop the lubricating oil collected along
Case lid drainage entrance enters the case lid oil storage tank of case lid crankshaft base bore internal circular surfaces, between case lid crankshaft base and crankshaft journal II
The friction pair of formation carries out sufficient lubrication, reduces abrasion；The quantity of the case lid oil storage tank can need to set according to practical lubrication；
As crankshaft is circumferentially rotated, the crankshaft oil storage tank I and crankshaft oil storage tank II are stored up with cabinet oil storage tank and case lid respectively
When oil groove corresponds to alignment, the lubricating oil stored in cabinet oil storage tank and case lid oil storage tank can respectively enter crankshaft oil storage tank I and song
Form oil storage in axis oil storage tank II, and with the circumferentially rotated band of crankshaft to crankshaft journal I and cabinet crankshaft base and with song
The friction pair formed between shaft neck II and case lid crankshaft base is conducive to crankshaft journal I and cabinet crankshaft base and crankshaft journal II and case
The secondary sufficient lubrication of the friction formed between lid crankshaft base.
Further, the case lid drainage entrance includes being located at the near middle of case lid crankshaft base axial direction and extending radially through case lid
The case lid conduction hole of crankshaft base and the case lid drainage trough for being set to case lid crankshaft base axially inner side end face and extending radially through；Conducive to case
Lid keeps off oily rib and stops the lubricating oil collected that can enter in case lid crankshaft base bore by case lid conduction hole and case lid drainage trough simultaneously,
The friction pair formed between case lid crankshaft base and crankshaft journal II provides sufficient lubricating oil, to case lid crankshaft base and crankshaft journal
The friction pair sufficient lubrication formed between II reduces abrasion；The cabinet drainage entrance includes being located in cabinet crankshaft base axial direction
Near portion and extends radially through the cabinet conduction hole of cabinet crankshaft base and be set to cabinet crankshaft base axially inner side end face and radially pass through
The cabinet drainage trough worn；Keeping off oily rib conducive to cabinet stops the lubricating oil collected to enter cabinet crankshaft base bore by cabinet drainage trough
In, the friction pair formed between cabinet crankshaft base and crankshaft journal I provides sufficient lubricating oil, to cabinet crankshaft base and crankshaft axis
The friction pair sufficient lubrication formed between neck I reduces abrasion；
The cabinet drainage trough and case lid drainage trough can be groove profile or notch type；The cabinet drainage trough and cabinet oil storage tank
Correspondence connects, and the setting of the cabinet drainage translot cross-sectional sizes enables sufficient lubricating oil to enter case by cabinet drainage trough
In body crankshaft base bore；The case lid drainage trough is corresponding with case lid oil storage tank to connect, case lid drainage trough cross section size
Setting enables sufficient lubricating oil to enter in case lid crankshaft base bore by case lid drainage trough；The cabinet drainage trough and case lid
The shape setting of drainage trough is bent in favor of connection crankcase inner cavity and cabinet crankshaft base bore and crankcase cover inner cavity and case lid
Axle bed bore, and so that enough lubricating oil is entered the rubbing surface of cabinet crankshaft base and case lid crankshaft base and crankshaft and make cabinet crankshaft
The friction pair of seat and case lid crankshaft base and crankshaft, which obtains sufficient lubrication, to be advisable, and is not limited to fluting or notch geometry；
The case lid oil storage tank is top to be located at case lid crankshaft base bore inner circle and is connected to case lid drainage entrance, cabinet oil storage
Slot is top to be located at case lid crankshaft base bore inner circle and is connected to cabinet drainage entrance；As shown, the corresponding connection of case lid oil storage tank
In case drainage trough and case lid conduction hole, case lid oil storage tank correspondence is connected to cabinet chute and case lid body discharge orifice, conducive to lubricating oil
Smooth circulation is further conducive to guarantee the sufficient lubrication and case secondary to the friction formed between case lid crankshaft base and crankshaft journal II
The secondary sufficient lubrication of the friction formed between body crankshaft base and crankshaft journal I；
Further, the height of the oily rib of case lid gear is at least concordant with the axially inner side end face of case lid crankshaft base；The case
The height that body keeps off oily rib is at least concordant with the axially inner side end face of cabinet crankshaft base；The cabinet keeps off oily rib and cabinet keeps off oily rib
Conducive to making, cabinet keeps off oily rib and case lid keeps off oily rib and stops more to get rid of the lubrication that oil skip has been got rid of by engine inner link for height setting
Oil, so that the rubbing surface being conducive between crankshaft journal I and cabinet crankshaft base and crankshaft journal II and case lid crankshaft base provides abundance
Lubricating oil；
Further, the cabinet oil storage tank and case lid oil storage tank are axial straight trough, the crankshaft oil storage tank I and crankshaft storage
Oil groove II also corresponds to axial straight trough；Conducive to cabinet oil storage tank and crankshaft oil storage tank I and case lid oil storage tank and crankshaft oil storage tank II
Between correspondence and storage lubricating oil, while be conducive to crankshaft it is circumferentially rotated when oil storage tank in lubricating oil be applied to crankshaft therewith
Axle journal I and cabinet crankshaft base and the rubbing surface between crankshaft journal II and case lid crankshaft base, to be conducive to crankshaft journal I and case
Body crankshaft base and lubrication with crankshaft journal II and the rubbing surface of case lid crankshaft base reduce abrasion；
Further, the cabinet keeps off oily rib and extends radially outward positioned at cabinet crankshaft base top and reinforce with adjacent boxes
Cabinet sector is formed between muscle and drains region, is connected as shown, cabinet keeps off oily rib root with cabinet crankshaft base, radially
Extend, the cabinet conduction hole and cabinet drainage trough correspond to the cabinet sector and drain region；The case lid keeps off oily rib along diameter
To extending outwardly positioned at case lid crankshaft base top and forming case lid sector drainage region between adjacent case lid reinforcing rib, as schemed institute
Show, case lid keeps off oily rib root and cabinet keeps off oily rib root correspondence and connects with case lid crankshaft base and cabinet crankshaft base, radially to
Outer extension；The case lid conduction hole and case lid drainage trough correspond to the case lid sector and drain region；Conducive to crankshaft circumferentially
The lubricating oil that oil skip has been got rid of is got rid of by engine inner link when direction rotates and is blocked collection and along sector drainage field flow orientation case
Body crankshaft base and case lid crankshaft base side introduce in cabinet crankshaft base bore and pass through case by cabinet conduction hole and cabinet drainage trough
Lid conduction hole and case lid drainage trough introduce in case lid crankshaft base bore, are crankshaft journal I and cabinet crankshaft base and and crankshaft journal
The friction pair formed between II and case lid crankshaft base provides more lubricating oil.
Further, position is corresponding in a circumferential direction and phase for the cabinet drainage trough and cabinet conduction hole and cabinet oil storage tank
Connection, position is corresponding in a circumferential direction and is connected with case lid oil storage tank for the case lid drainage trough and case lid conduction hole；The knot
Structure lubricating oil can directly flow into cabinet oil storage tank and case lid oil storage tank, be conducive to drainage.
The beneficial effects of the present invention are: engine provided by the invention designs substitution bearing by using special oil duct, and
Increase oil guide structure at cabinet crankshaft base bore and case lid crankshaft base bore, design has oil storage tank especially on crankshaft, benefit
In oil storage and the lubrication secondary to the friction formed between crankshaft journal I and crankcase and between crankshaft journal II and crankcase cover, benefit
In the lightweight of engine, promotes engine power to weight ratio and reduce cost, meanwhile, it is conducive to reduce engine because rolling bearing generates
Noise, promoted engine sound quality；And structure is simply convenient for manufacturing.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is crankcase structural schematic diagram of the invention.
Fig. 2 is crankcase conduction hole schematic diagram of the invention.
Fig. 3 is crankcase cover structure schematic diagram of the invention.
Fig. 4 is crankcase cover conduction hole schematic diagram of the invention.
Fig. 5 is crankshaft of the invention (band oil storage tank) structural schematic diagram.
Fig. 6 is crankshaft oil storage groove portion sectional view of the invention.
Fig. 7 is the A-A of Fig. 6 to enlarged drawing.
Specific embodiment
Fig. 1 is crankcase structural schematic diagram of the invention, and Fig. 2 is crankcase conduction hole schematic diagram of the invention, Fig. 3
For crankcase cover structure schematic diagram of the invention, Fig. 4 is crankcase cover conduction hole schematic diagram of the invention, and Fig. 5 is of the invention
Crankshaft (band oil storage tank) structural schematic diagram, Fig. 6 are crankshaft oil storage tank sectional view of the invention, the A-A that Fig. 7 is Fig. 6 to enlarged drawing,
It is as shown in the figure: the engine of the present embodiment, including crankcase 1, crankcase cover 2 and crankshaft 3；The crankcase 1 is equipped with
It is used to support the cabinet crankshaft base 11 of crankshaft journal I 31, is provided with the case lid for being used to support crankshaft journal II 32 on crankcase cover 2
Crankshaft base 21；
When the present embodiment is in use, 1 inside of the crankcase it is corresponding with cabinet crankshaft base 11 it is top equipped with for according to
The cabinet to cabinet crankshaft base 11 is guided to keep off oily rib 15 lubricating oil come that splashes by gravity；Conducive to blocking crankshaft 3 and drain song
The lubricating oil that oil skip has been got rid of is got rid of by in-engine connecting rod when axis along the circumferential direction rotates, the cabinet keeps off oily rib 15 and is set to case
The radial outside of 11 top of body crankshaft base；
The cabinet crankshaft base 11, which is equipped with, leads to cabinet crankshaft base bore 12 for the lubricating oil for keeping off oily rib 15 from cabinet
Cabinet sluice way；After crankshaft 3 assembles, the lubricating oil that oil skip has been got rid of is got rid of by in-engine connecting rod and is along the circumferential direction revolved in crankshaft 3
Oily rib 15 is kept off by cabinet when turning to stop, and is blocked and the lubricating oil drained enters cabinet crankshaft base bore 12 by cabinet sluice way
It is interior, conducive to the lubrication secondary to the friction formed between cabinet crankshaft base 11 and crankshaft journal I31.
In the present embodiment, after the crankcase cover 2 is installed with crankcase 1,2 inside of crankcase cover and case lid crankshaft
Corresponding top be equipped with of seat 21 is used to guide the case lid to case lid crankshaft base 21 to keep off oil rib the lubricating oil come that splashes by gravity
25, conducive to stopping crankshaft 3 and draining to get rid of the lubricating oil that oil skip has been got rid of by in-engine connecting rod when crankshaft along the circumferential direction rotates；
The case lid keeps off the radial outside that oily rib 25 is set to 21 top of case lid crankshaft base；
The case lid crankshaft base 21, which is equipped with, leads to case lid crankshaft base bore 22 for the lubricating oil for keeping off oily rib 25 from case lid
Cabinet sluice way；After crankshaft assembly, the lubricating oil that oil skip has been got rid of is got rid of by in-engine connecting rod and is along the circumferential direction rotated in crankshaft 3
When oily rib 25 kept off by case lid stop, be blocked and the lubricating oil drained enter case lid crankshaft base bore 22 by case lid sluice way
It is interior, conducive to the lubrication secondary to the friction formed between case lid crankshaft base 21 and crankshaft journal II32.
I 31 outer round surface of crankshaft journal is equipped with crankshaft oil storage tank I 311, the part in the axial direction of crankshaft oil storage tank I 311
Or it is entirely located in 12 region of cabinet crankshaft base bore；II 32 outer round surface of crankshaft journal is equipped with crankshaft oil storage tank II 321, bent
Axis oil storage tank II 321 is positioned partially or entirely in 22 region of case lid crankshaft base bore in the axial direction；Crankshaft stores up on general structure
Oil groove I and crankshaft oil storage tank II should be corresponded to after crankshaft installed in cabinet crankshaft base bore and in case lid crankshaft base bore
Region, certainly, being partially located in bore still has the effect of setting, and details are not described herein；The structure is conducive to the storage of lubricating oil
It deposits and is provided more between cabinet crankshaft base 11 and crankshaft journal I 31 with the rubbing surface between case lid crankshaft base 21 and crankshaft journal II32
More lubricating oil, is conducive to guarantee between cabinet crankshaft base 11 and crankshaft journal I 31 and case lid crankshaft base 21 and crankshaft journal II32
Between rubbing surface lubrication；As crankshaft 3 is circumferentially rotated, the crankshaft oil storage tank I311 and crankshaft oil storage tank II 321
Respectively with cabinet oil storage tank 14 and case lid oil storage tank 24 is corresponding be aligned when, store in cabinet oil storage tank 14 and case lid oil storage tank 24
Lubricating oil can respectively enter and form oil storage in crankshaft oil storage tank I311 and crankshaft oil storage tank II 321, and as crankshaft 3 is circumferentially square
To rotation band to crankshaft journal I31 and cabinet crankshaft base 11 and the friction formed between crankshaft journal II32 and case lid crankshaft base 21
Pair, secondary conducive to the friction formed between crankshaft journal I31 and cabinet crankshaft base 11 and crankshaft journal II32 and case lid crankshaft base 21
Sufficient lubrication；
In the present embodiment, the cabinet sluice way includes being opened in the cabinet drainage entrance of cabinet crankshaft base 11 and being opened in
The cabinet oil storage tank 14 of 12 internal circular surfaces of cabinet crankshaft base bore, the cabinet drainage entrance and the cabinet keep off oily rib drainage and flow
It (refers to that the flow direction for being located at the drawn lubricating oil of the oily rib of cabinet gear is corresponding to correspondence, for example is located at the root that cabinet keeps off oily rib
Near portion, details are not described herein) and extend radially through in cabinet crankshaft base 11 to cabinet crankshaft base bore 12；Cabinet keeps off oily rib 15
Stop and the lubricating oil collected enters cabinet crankshaft base bore 12 along cabinet drainage entrance, is opened in cabinet crankshaft base bore 12
The oil storage of the cabinet oil storage tank 14 of internal circular surfaces is further conducive to the friction to being formed between cabinet crankshaft base 11 and crankshaft journal I31
Pair lubrication, reduces abrasion；The quantity of the cabinet oil storage tank 14 can need to set according to practical lubrication；
The case lid sluice way includes being opened in the case lid drainage entrance of case lid crankshaft base 21 and being opened in case lid crankshaft base
The case lid oil storage tank 24 of 22 internal circular surfaces of bore, case lid drainage entrance and the case lid keep off oily rib and drain that flow direction is corresponding (to be referred to
Be kept off positioned at case lid oily the drawn lubricating oil of rib flow direction it is corresponding, for example be located near the root of case lid gear oil rib,
This is repeated no more) and extend radially through in case lid crankshaft base 21 to case lid crankshaft base bore 22；Case lid, which keeps off oily rib 25, to be stopped and receives
The lubricating oil of collection enters case lid crankshaft base bore 22 along case lid drainage entrance, is opened in 22 internal circular surfaces of case lid crankshaft base bore
The oil storage of case lid oil storage tank 24 be further conducive to the friction lubricating formed between case lid crankshaft base 21 and crankshaft journal II32,
Reduce abrasion；The quantity of the case lid oil storage tank can need to set according to practical lubrication；
In the present embodiment, the case lid drainage entrance includes passing through positioned at the axial near middle of case lid crankshaft base 21 and radially
Wear the case lid conduction hole 26 of case lid crankshaft base 21 and the case lid for being set to 21 axially inner side end face of case lid crankshaft base and extending radially through
Drainage trough 23；Case lid keeps off oily rib 25 and stops the lubricating oil collected that can enter simultaneously by case lid conduction hole 26 and case lid drainage trough 23
In case lid crankshaft base bore 22, the friction pair formed between case lid crankshaft base 21 and crankshaft journal II32 provides sufficient lubrication,
Reduce abrasion；The cabinet drainage entrance includes positioned at the axial near middle of cabinet crankshaft base 11 and extending radially through cabinet crankshaft
The cabinet conduction hole 16 of seat 11 and the case lid drainage trough 13 for being set to 21 axially inner side end face of case lid crankshaft base and extending radially through；Case
Body keeps off oily rib 15 and the lubricating oil collected is stopped to enter cabinet crankshaft base bore 12 by cabinet conduction hole 16 and cabinet drainage trough 13
In, the friction pair formed between cabinet crankshaft base 11 and crankshaft journal I31 provides sufficient lubrication, reduces abrasion；
In the present embodiment, the case lid oil storage tank it is top be located at case lid crankshaft base bore inner circle and be connected to case lid drain into
Mouthful, cabinet oil storage tank is top to be located at case lid crankshaft base bore inner circle and is connected to cabinet drainage entrance；As shown, case lid oil storage
Slot is corresponding to be connected to case drainage trough and case lid conduction hole, and case lid oil storage tank correspondence is connected to cabinet chute and case lid body discharge orifice, benefit
In the smooth circulation of lubricating oil, further it is conducive to guarantee to the abundant of the friction pair formed between case lid crankshaft base and crankshaft journal II
The secondary sufficient lubrication of the friction formed between lubrication and cabinet crankshaft base and crankshaft journal I；The cabinet conduction hole 16 and cabinet
Drainage trough 13 is connected to a cabinet oil storage tank 14, and cabinet conduction hole 16 and cabinet drainage trough 13 and the cabinet oil storage tank 14
Keep off the drainage region that oily rib 15 is formed positioned at cabinet, should conducive to the storage of enough lubricating oil, guarantee to cabinet crankshaft base 11 with
The secondary sufficient lubrication of the friction formed between crankshaft journal II31；As shown, the cabinet drainage trough and cabinet conduction hole and case
Position is corresponding in a circumferential direction and is connected for body oil storage tank, and the case lid drainage trough and case lid conduction hole and case lid oil storage tank exist
Position is corresponding on circumferencial direction and is connected；The structure lubricating oil can directly flow into cabinet oil storage tank and case lid oil storage tank,
Conducive to drainage.
In the present embodiment, the cabinet drainage trough 13 and case lid drainage trough 23 can be groove profile or notch type；The cabinet draws
The docking corresponding with cabinet oil storage tank 14 of chute 13,13 cross-sectional width of cabinet drainage trough is identical as cabinet oil storage tank 14, described
The docking corresponding with case lid oil storage tank 24 of case lid drainage trough 23,23 cross-sectional width of case lid drainage trough is identical as case lid oil storage tank 24,
Lubricating oil is introduced into cabinet oil storage tank 14 and case lid oil storage tank 14 by the cabinet drainage trough 13 and case lid drainage trough 23 respectively, is made
Enough lubricating oil enters the rubbing surface of cabinet crankshaft base 11 and case lid crankshaft base 21 and crankshaft 3 and sufficient lubrication；
In the present embodiment, edge passes through circle in the circumferential direction for the crankshaft oil storage tank I 311 and crankshaft oil storage tank II 321
Arc chamfering even surface transition forms arc smooth transition between circular arc chamfering and cabinet crankshaft base and the inner circle of case lid crankshaft base
Rotation contact, crankshaft oil storage tank I 311 and crankshaft oil storage tank II 321 are along the circumferential direction transitted at axle journal outer circle and are seamlessly transitted, should
The crankshaft oil storage tank I 311 and II 321 edge of crankshaft oil storage tank of structure can effectively avoid the oil film for destroying lubricating oil, and be conducive to
Guidance lubricating oil returns in crankshaft oil storage tank I 311 and crankshaft oil storage tank II 321, is conducive to be recycled into lubrication plane of rotation, more
Good lubrication crankshaft journal.
In the present embodiment, the height that the case lid keeps off oily rib 25 is at least flat with the axially inner side end face of case lid crankshaft base 21
Together；The height that the cabinet keeps off oily rib 15 is at least concordant with the axially inner side end face of cabinet crankshaft base 11；The height for keeping off oily rib is set
It is fixed to be conducive to that the oily rib 15 of cabinet gear and the oily rib 25 of case lid gear is made to stop more to get rid of the lubricating oil that oil skip has been got rid of, it is conducive to for crankshaft journal
Rubbing surface between I31 and cabinet crankshaft base 11 and crankshaft journal II32 and case lid crankshaft base 21 provides sufficient lubricating oil；
In the present embodiment, the cabinet oil storage tank 14 and case lid oil storage tank 24 are axial straight trough, the crankshaft oil storage tank I
311 and crankshaft oil storage tank II 321 also correspond to axial straight trough；It is stored up conducive to cabinet oil storage tank 14 and crankshaft oil storage tank I 311 and case lid
Corresponding between oil groove 24 and crankshaft oil storage tank II321 and storage lubricating oil, at the same be conducive to crankshaft 3 it is circumferentially rotated when oil storage
Oil lubrication crankshaft journal I31 in slot and cabinet crankshaft base 11 and rubbing between crankshaft journal II32 and case lid crankshaft base 21
Abrasion is reduced in wiping face；
In the present embodiment, the cabinet keeps off oily rib 15 and extends radially outward positioned at cabinet crankshaft base top and and adjacent tank
Cabinet sector is formed between body reinforcing rib 17 and drains region, as shown, cabinet keeps off oily 15 root of rib and 12 phase of cabinet crankshaft base
It connects, extends radially outward, the cabinet conduction hole and cabinet drainage trough correspond to the cabinet sector and drain region；The case
Lid keeps off oily rib 25 and extends radially outward positioned at case lid crankshaft base top and form case lid fan between adjacent case lid reinforcing rib 27
Shape drains region, as shown, the oily rib root of case lid gear and cabinet keep off corresponding oily rib root and case lid crankshaft base and cabinet is bent
Axle bed connects, and extends radially outward, and gets rid of the lubrication that oil skip has been got rid of by engine inner link when crankshaft 3 is along the circumferential direction rotated
Oil keeps off oily rib 15 by cabinet and case lid keeps off oily rib 25 and stops to collect and along sector drainage field flow orientation cabinet crankshaft base 11 and case
21 side of lid crankshaft base is introduced in cabinet crankshaft base bore 12 by cabinet conduction hole 16 and cabinet drainage trough 13 and is drawn by case lid
Discharge orifice 26 and case lid drainage trough 23 introduce in case lid crankshaft base bore 22, be crankshaft journal I31 and cabinet crankshaft base 11 and with song
The friction pair formed between shaft neck II32 and case lid crankshaft base 21 provides more lubricating oil；
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of engine, including crankcase, crankcase cover and crankshaft；The crankcase is equipped with and is used to support crankshaft journal
I cabinet crankshaft base is provided with the case lid crankshaft base for being used to support crankshaft journal II on crankcase cover, it is characterised in that:
I outer round surface of crankshaft journal is equipped with crankshaft oil storage tank I, and crankshaft oil storage tank I is positioned partially or entirely in case in the axial direction
Body crankshaft base bore region, II outer round surface of crankshaft journal are equipped with crankshaft oil storage tank II, and crankshaft oil storage tank II is in the axial direction
It is positioned partially or entirely in case lid crankshaft base bore region.
2. engine according to claim 1, it is characterised in that: corresponding with cabinet crankshaft base on the inside of the crankcase
It is top to be equipped with for guiding the cabinet to cabinet crankshaft base to keep off oily rib the lubricating oil come that splashes by gravity；
The cabinet crankshaft base is equipped with the cabinet sluice way that the lubricating oil for keeping off oily rib from cabinet is led to cabinet crankshaft base bore；
The top lubricating oil come that is used to splash by gravity that is equipped with corresponding with case lid crankshaft base draws on the inside of the crankcase cover
The case lid for being directed at case lid crankshaft base keeps off oily rib；
The case lid crankshaft base is equipped with the case lid sluice way that the lubricating oil for keeping off oily rib from case lid is led to case lid crankshaft base bore.
3. engine according to claim 2, it is characterised in that: the cabinet sluice way includes being opened in cabinet crankshaft base
Cabinet drainage entrance and be opened in the cabinet oil storage tanks of cabinet crankshaft base bore internal circular surfaces, the cabinet drainage entrance and institute
The oily rib drainage flow direction of cabinet gear is stated to correspond to and extend radially through in cabinet crankshaft base to cabinet crankshaft base bore；
The case lid sluice way includes being opened in the case lid drainage entrance of case lid crankshaft base and being opened in case lid crankshaft base bore
The case lid oil storage tank of circular surfaces, the case lid drainage entrance is corresponding with the oily rib drainage flow direction of case lid gear and extends radially through case
In lid crankshaft base to case lid crankshaft base bore.
4. engine according to claim 3, it is characterised in that: the case lid drainage entrance includes being located at case lid crankshaft base
Axial near middle simultaneously extends radially through the case lid conduction hole of case lid crankshaft base and is set to case lid crankshaft base axially inner side end face
And the case lid drainage trough extended radially through；Cabinet drainage entrance includes positioned at the near middle of cabinet crankshaft base axial direction and radial
Cabinet conduction hole through cabinet crankshaft base is drained with the cabinet for being set to cabinet crankshaft base axially inner side end face and extending radially through
Slot.
5. engine according to claim 4, it is characterised in that: the cabinet keeps off oily rib and extends radially outward positioned at case
Body crankshaft base top and the formation cabinet sector drainage region between adjacent boxes reinforcing rib, the cabinet conduction hole and cabinet draw
Chute corresponds to the cabinet sector and drains region；The case lid keeps off oily rib and extends radially outward positioned at case lid crankshaft base top
And form case lid sector between adjacent case lid reinforcing rib and drain region, the case lid conduction hole and case lid drainage trough correspond to institute
State case lid sector drainage region.
6. engine according to claim 3, it is characterised in that: the case lid oil storage tank is top to be located at case lid crankshaft base seat
Hole inner circle is simultaneously connected to case lid drainage entrance, and cabinet oil storage tank is top to be located at case lid crankshaft base bore inner circle and be connected to cabinet and draw
Inflow entrance.
7. according to claim 1 to engine described in 6 any claims, it is characterised in that: the crankshaft oil storage tank I and song
Axis oil storage tank II is the axial straight trough seamlessly transitted along the both sides of the edge of crankshaft circumferencial direction by circular arc chamfering.
8. according to engine described in claim 2 to 6 any claim, it is characterised in that: the case lid keeps off the height of oily rib
It spends at least concordant with the axially inner side end face of case lid crankshaft base；The cabinet keeps off axis of the height of oily rib at least with cabinet crankshaft base
Inside side end face is concordant.
9. according to engine described in claim 3 to 6 any claim, it is characterised in that: the cabinet oil storage tank and case
Lid oil storage tank is the axial straight trough seamlessly transitted along the both sides of the edge of crankshaft circumferencial direction by circular arc chamfering.
10. engine according to claim 4 or 5, it is characterised in that: the cabinet drainage trough and cabinet conduction hole and case
Position is corresponding in a circumferential direction and is connected for body oil storage tank, and the case lid drainage trough and case lid conduction hole and case lid oil storage tank exist
Position is corresponding on circumferencial direction and is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543470.5A CN110259596A (en) | 2019-06-21 | 2019-06-21 | Engine |
| PCT/CN2020/079083 WO2020253276A1 (en) | 2019-06-21 | 2020-03-13 | Engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543470.5A CN110259596A (en) | 2019-06-21 | 2019-06-21 | Engine |
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| CN110259596A true CN110259596A (en) | 2019-09-20 |
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| CN201910543470.5A Pending CN110259596A (en) | 2019-06-21 | 2019-06-21 | Engine |
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| WO (1) | WO2020253276A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020253276A1 (en) * | 2019-06-21 | 2020-12-24 | 隆鑫通用动力股份有限公司 | Engine |
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| GB189028A (en) * | 1922-02-09 | 1922-11-23 | Arthur Henry Reilly | Improvements relating to the lubrication of internal combustion engines |
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| CN204921664U (en) * | 2015-07-16 | 2015-12-30 | 浙江瑞朗锻造有限公司 | A bent axle part for engine |
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| CN110259596A (en) * | 2019-06-21 | 2019-09-20 | 隆鑫通用动力股份有限公司 | Engine |
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| GB493660A (en) * | 1937-08-03 | 1938-10-12 | Frank John Tippen | Improvements in and relating to lubrication systems for internal combustion engines |
| CN104564221A (en) * | 2013-10-18 | 2015-04-29 | 隆鑫通用动力股份有限公司 | Strongly-lubricating-type crank case and gasoline engine thereof |
| CN203742699U (en) * | 2014-03-27 | 2014-07-30 | 江苏金动动力机械有限公司 | Low-damping low-noise vertical single-cylinder air-cooled diesel engine |
| CN203743182U (en) * | 2014-03-27 | 2014-07-30 | 江苏金动动力机械有限公司 | Low-damp single-cylinder air cooling diesel engine crankshaft |
| CN204961564U (en) * | 2015-08-27 | 2016-01-13 | 上汽通用汽车有限公司 | Crankshaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020253276A1 (en) * | 2019-06-21 | 2020-12-24 | 隆鑫通用动力股份有限公司 | Engine |
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| WO2020253276A1 (en) | 2020-12-24 |
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Application publication date: 20190920 |