CN110500159A - Active gs-oil separator - Google Patents
Active gs-oil separator Download PDFInfo
- Publication number
- CN110500159A CN110500159A CN201910854388.4A CN201910854388A CN110500159A CN 110500159 A CN110500159 A CN 110500159A CN 201910854388 A CN201910854388 A CN 201910854388A CN 110500159 A CN110500159 A CN 110500159A
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- Prior art keywords
- oil
- central axis
- opening
- gas
- shell
- Prior art date
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- Granted
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- 239000003921 oil Substances 0.000 claims abstract description 114
- 238000000926 separation method Methods 0.000 claims abstract description 93
- 239000010687 lubricating oil Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000005461 lubrication Methods 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 35
- 238000005452 bending Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 30
- 239000007921 spray Substances 0.000 claims description 18
- 238000005119 centrifugation Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000003595 mist Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- 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
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0422—Separating oil and gas with a centrifuge device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of active gs-oil separator, including shell, it is equipped with oil-gas separation mechanism between the middle and upper part and shell of central axis in shell, the driving mechanism for driving central axis rotation is equipped between the bottom and shell of central axis；Case top is equipped with the air inlet for introducing internal combustion engine gas blowby, and the housing sidewall of oil-gas separation mechanism bottom is exported equipped with net gas, and the housing sidewall below driving mechanism is equipped with the oil return opening for outflow of lubrication oil；Oil-gas separation mechanism include with separate disk upper end cover, separate disk lower cover and be connected to separate disk upper end cover and the central axis that separates between disk lower cover on each middle part separate disk；The present invention automatically begins to work after motor vehicle igniting, and work is automatically stopped after flame-out, and the course of work need not be automatically controlled, efficient Oil-gas Separation can be carried out to engine blow-by gas, scattering and disappearing for lubricating oil is reduced, operation steady in a long-term can be realized without maintenance, there is very high market value.
Description
Technical field
The present invention relates to field of mechanical technique more particularly to internal combustion engine oil gas isolation technics.
Background technique
The lower part of crank case of internal combustion engine is equipped with oil sump, and top is equipped with upper cover.Internal combustion engine is during the work time in crankcase
Gas blowby can be generated, discharge will cause that crankcase pressure is excessively high to gas blowby not in time in the crankcase, influence the normal operation of internal combustion engine.
Due to containing oil, colloid and impurity in gas blowby, it is directly placed into atmosphere, will cause atmosphere pollution, is not achieved and closes state
The discharge standard of family；Gas blowby can make IC engine lubricating oil lose oil, cause the lubrication shortage of oil of internal combustion engine.
Summary of the invention
The purpose of the present invention is to provide a kind of active gs-oil separators, and filter effect is higher, small volume, have certainly
Lubricant effect, being capable of non-maintaining longtime running.
To achieve the above object, active gs-oil separator of the invention includes shell, passes through upper bearing (metal) in shell under
Bearing is equipped with central axis, and oil-gas separation mechanism, the bottom of central axis and shell are equipped between the middle and upper part and shell of central axis
Between be equipped with driving mechanism for driving central axis rotation；Upper bearing (metal) is mounted on shell by top chock, and lower bearing is logical
Step is crossed to be mounted on shell；The installation cavity for accommodating upper bearing (metal), the upper bearing (metal) outside installation cavity are equipped in top chock
Seat is equipped with the opening passed through in the up-down direction for oil gas；
Case top is equipped with air inlet, the opening in communication on air inlet and top chock；Air inlet is altered for introducing internal combustion engine
Gas；
The housing sidewall of oil-gas separation mechanism bottom is exported equipped with net gas, is had cavity between oil-gas separation mechanism and shell and is somebody's turn to do
Cavity is connected with the outlet of net gas；
Housing sidewall below driving mechanism is equipped with the oil return opening for outflow of lubrication oil；
Oil-gas separation mechanism includes the separation disk upper end cover being fixedly connected with central axis top, is connected with central axis lower part
Each middle part on separation disk lower cover and the central axis being connected between separation disk upper end cover and separation disk lower cover
Separate disk；
Separation disk upper end cover includes the bowl body of opening upwards, and bowl body bottom is equipped with through-hole, and through hole center is set to equipped with fixing sleeve
Fixing sleeve on central axis is connected between fixing sleeve and the inner wall of through-hole by connecting rib, and connecting rib is along fixing sleeve
It circumferentially is uniformly provided with two or more, surrounds between adjacent connecting rib, through-hole wall and fixing sleeve outer wall and passes through for oil gas
Opening；
Central axis is equipped with external splines；Each middle part separation disc structure is identical, includes the center ring being sheathed on central axis, in
The radially-outer surface of thimble is connected with multiple tracks radial rib along its circumferential uniform intervals, and per pass radial rib includes being located at center ring
Horizontal segment in same plane extends radially outward the tilting section and bending section axially simultaneously upwardly extended, horizontal segment,
Tilting section and bending section are sequentially connected, and the angle of bending section and horizontal plane is less than the angle of tilting section and horizontal plane；
Bending section top is H millimeters at a distance from plane where horizontal segment, and tilting section is H1 at a distance from plane where horizontal segment
Millimeter, H1 >=0.5H, the angle between tilting section and bending section are α, 5 °≤α≤45 °；The thickness of tilting section is greater than bending section
Thickness；
The inner surface of center ring is equipped with internal spline compatible with external splines, and each middle part separation disk passes through internal spline and external splines
It is connect with central shaft driven；
The first circumferential circular bar is connected between the top of the tilting section of each radial rib, between the top of the bending section of each radial rib
It is connected with the second circumferential circular bar；
Several openings are surrounded between center ring, each radial rib, the first circumferential circular bar and the second circumferential circular bar；
Separation disk lower cover includes the bowl body of opening upwards, and central axis passes through bowl body bottom and is slidably matched with bowl body；Separation
The lower surface of disk lower cover is equipped with lower spring groove, separates the central axis below disk lower cover equipped with getting out of a predicament or an embarrassing situation, gets out of a predicament or an embarrassing situation
Lower spring is arranged on central axis between lower spring groove, lower spring upwards will separation disk lower cover, each middle part separation dish
Piece and the press of separation disk upper end cover are together；
It is formed between the opening of opening, separation disk upper end cover on top chock and the opening of each middle part separation disk and is used for oil
The axial passageway that gas passes through；
It separates and is formed between each radial rib for separating disk in the middle part of the bowl body and top of disk upper end cover for Oil-gas Separation
Centrifugation access, form the centrifugation access for being used for Oil-gas Separation between each radial rib of adjacent middle part separation disk, lowermost end
Each radial rib and the bowl body for separating disk lower cover between formed be used for Oil-gas Separation centrifugation access；
Inner walls are connected by way to cycle oil with oil return opening.
The way to cycle oil includes collection tank, the receipts oiled-plate method below annular collection tank, lower bearing, lower axle in a ring
Hold the opening and housing cavity on seat；Radially-outer surface and the inner walls sealing of collection tank cooperate, and collection tank bottom is equipped with position
In receiving the opening above oiled-plate method and for leading to oil, step side wall is equipped with the opening passed through for oil, receives the shell below oiled-plate method
Intracoelomic cavity forms oil-collecting cavity, and driving mechanism is located at oil-collecting cavity top；To be directed toward the axis direction of central axis as introversion, it is reversed outer
To receipts oiled-plate method is high outside and low outside, receives and is connected at the top of the inner end and lower bearing of oiled-plate method.
The driving mechanism includes the impeller for being threaded in central axis bottom and the spray bar being mounted on shell, impeller
Including ontology and multiple primary blades on the body are uniformly arranged, spray bar is connected with the high pressure section in motor vehicle lubricating oil road
It connects；
It is equipped with nozzle opening in spray bar, the jet of nozzle opening is towards primary blades side wall and the direction deviation center of jet face
The center line of axis, primary blades because pressure direction suffered by spray bar oil spout be impeller on center shaft screw direction；Oil spout
The vertical cross-section and jet in hole are oval, and the long axis direction of the ellipse is vertical direction.
The bodies top of impeller is equipped with multiple back blades, and the rotation direction of back blades is identical as primary blades；Oiled-plate method is received to connect downwards
There is level board, forms negative pressuren zone between level board and back blades when impeller rotates；Opening on step side wall is located at described
In negative pressuren zone.
The bottom of the installation cavity of top chock is equipped with opening up and down, and the central axis below the opening, which is equipped with, appears on the stage
Rank is arranged with upper spring on the central axis between top bar and upper bearing (metal), and upper spring bottom end and top bar press cooperate, upper spring
Upper end, which is protruded into the opening and pressed with the inner ring of upper bearing (metal), to be cooperated.
It is equipped with inner hole along the axial direction of central axis in the central axis, between having between upper bearing (metal) and the roof of installation cavity
Gap, inner hole upper end are connected with the gap；The opening in the gap, upper bearing (metal) and installation cavity bottom is formed for sucking inner hole
Outflow of lubrication oil return flow line；
Inner hole bottom is connected with more than one oil-through-hole, and oil-through-hole is used to the lubricating oil of housing cavity bottom sucking inner hole；
Shell includes upper housing and lower case, is clamped or is threaded togather between upper housing and lower case.
The arc groove of lower end opening is formed between the adjacent primary blade of impeller.
The inner radial surface of the collection tank is connected with demarcation plate, and the middle part of demarcation plate, which is equipped with, to be passed through for central axis
Heart hole, centre bore are connected with lower bearing downwards.
The present invention has the advantage that:
Efficient Oil-gas Separation can be carried out to engine blow-by gas using the present invention, automotive emission is made to reach the requirement of state six
Discharge standard.The present invention can efficiently separate out the lubricating oil in gas blowby and back into the oil sump of engine crankcase, subtract
Few lubricating oil scatters and disappears.Structure overall flow resistance of the invention is lower；The present invention can be realized automatically and stably to be run for a long time, oil
Gas good separating effect and non-maintaining has good market application prospect.
The setting of bending section extends the length of centrifugation access, increases oil mist particles in gas blowby and sends out in centrifugation access
The probability of raw collision, to increase the separative efficiency of oil-gas separation mechanism, while in the centrifugation for realizing same length
Oil-gas separation mechanism the space occupied size is reduced under the premise of access, enables the invention to adapt to the limited machine in inner space
Motor-car.
The thickness of the tilting section of radial rib is greater than the thickness of bending section, and this makes it possible in two neighbouring middle parts
Gap is generated between the bending section between disk, to collect the lubricating oil in gas blowby using horizontal segment and tilting section, is utilized
Gap between bending section throws away the lubricating oil being attached on tilting section outward upwards, improves oil-gas separation efficiency.H1≥
0.5H, during Oil-gas Separation, the path (length of radial rib tilting section) for collecting lubricating oil is longer, the collection of lubricating oil
Efficiency is preferable.Angle between tilting section and bending section is α, and the too small then oil gas separation of α is promoted unobvious；α is excessive, moistens
Part cannot be thrown away lubricating oil from being easy to be blocked generation rebound at the bending section of disk in the upper layer, can reduce oil gas point instead
From efficiency.5 °≤α≤45 °, oil gas separation can either be promoted, and lubricating oil is avoided to spring back.α is preferably 10 °.
Way to cycle oil includes step and lower bearing, can self-lubricate lower bearing, for the long-term non-maintaining fortune of the present invention
Row provides safeguard.
The present invention drives oil using the higher lubricating oil of the pressure in motor vehicle as power, by impeller-driven central axis
Gas separating mechanism rotary work, without other setting power device and control device, structure is simple, provides guarantor for non-maintaining operation
Barrier.
The vertical cross-section and jet of nozzle opening are oval, can increase the lubricating oil of ejection and connecing for primary blades
Contacting surface product (area of stress surface), oil spout is more preferable to the acting effect of primary blades, improves the kinetic energy of oil spout to the rotation of central axis
The transformation efficiency of energy.Impeller and primary blades contact lubricating oil for a long time in rotary work, if without locking measures, impeller
It is easy to occur to loosen even obscission on center shaft in long-term use.
Primary blades because pressure direction suffered by spray bar oil spout be impeller on center shaft screw direction, can be in length
The operational process of phase is automatic and constantly realizes the technical effect of impeller anti-loose, provides basis for non-maintaining operation of the invention.
If impeller and central axis use the conventional connection type of optical axis transition fit, because being merely by frictional force
Torque is transmitted, when torque is greater than frictional force, just will appear does not have relative rotation or asynchronous rotation between impeller and axis
Phenomenon, such impeller and axis are easy for wearing.In the present invention, impeller is connect with central axle threads, avoids impeller and axis
The phenomenon that asynchronous rotation.
Opening on step side wall is located in the negative pressuren zone, can be by the oil in step and lower bearing outward
Suction casing inner cavity keeps way to cycle oil more unobstructed, avoids occurring choking phenomenon at step and lower bearing, prevents simultaneously
The lubricating oil that only jet sprays enters lower bearing, is the important leverage that the present invention is capable of long-term non-maintaining operation.
The inner ring of the upward bearing of upper spring transmits torque, to avoid opposite between upper bearing (metal) inner ring and central axis upper end
It slides and wears central axis upper end and bearing inner race, and then extend upper bearing (metal) knot related to central axis matching part
The service life of structure ensures the long-term non-maintaining stable operation of the present invention.
When work, under the differential pressure action that center axis rotation generates, the lubricant mist of housing cavity bottom is by oil-through-hole quilt
The inner hole of central axis is sucked, then mist of oil is downwardly into the axial passageway passed through for oil gas through return flow line.
The setting of inner hole and return flow line has the function of three aspects: 1. mist of oil passes through return flow line, flows through upper bearing (metal)
When lubricating action is generated to upper bearing (metal), ensure that upper bearing (metal) being capable of long-term non-maintaining normal operation.After 2. mist of oil passes through return flow line
Into the axial passageway passed through for oil gas, when by each middle part separation disk, the glue on middle part separation disk can be cleaned
Matter and impurity avoid the gap blocking between adjacent middle part separation disk, ensure long-term non-maintaining operation.3. passing through each middle part
When separating disk, the oil film of flowing is formed after being thrown in inner walls under the influence of centrifugal force, prevents from isolating in gas blowby
Colloid and impurity bonding on the inner wall of the housing, ensure that the present invention being capable of long-term non-maintaining operation.
The arc groove of lower end opening is formed between the adjacent primary blade of impeller, the lubricating oil convenient for being injected in primary blades exists
Smooth outflow impeller under the action of gravity, and then can be flowed out by oil return opening.
In short, the present invention can automatically begin to work after motor vehicle igniting, it is automatically stopped work after motor vehicle is flame-out,
Whole work process need not be automatically controlled, without additional power device, can carry out efficient Oil-gas Separation to engine blow-by gas, subtract
Scattering and disappearing for few lubricating oil, can be realized operation steady in a long-term without maintenance, have very high market value.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention, in Fig. 1 arrow be gas blowby flow through axial passageway and be centrifuged access path with
And gas blowby flows out the path of net gas outlet；
Fig. 2 is structural schematic diagram of the invention, and arrow is lubricating oil in gas blowby to the road of housing cavity flows in Fig. 2
Diameter；
Fig. 3 is the structural schematic diagram of middle part separation disk；
Fig. 4 is central axis and separate disk upper end cover and each middle part separates disk and matches that (each middle part separation disk is not pressed on
When together) structural schematic diagram；
Fig. 5 is the structural schematic diagram for receiving oiled-plate method；
Fig. 6 is the structural schematic diagram of impeller；
Fig. 7 is the structural schematic diagram of the spray bar at jet；
Fig. 8 is the enlarged drawing in Fig. 1 at A；
Fig. 9 is the enlarged drawing in Fig. 1 at B；
Figure 10 is the enlarged drawing that C is put in Fig. 2.
Specific embodiment
As shown in Figures 1 to 10, active gs-oil separator of the invention includes shell 1, passes through upper bearing (metal) 2 in shell 1
Central axis 4 is installed with lower bearing 3, oil-gas separation mechanism, the bottom of central axis 4 are equipped between the middle and upper part and shell 1 of central axis 4
The driving mechanism for driving central axis 4 to rotate is equipped between portion and shell 1；Upper bearing (metal) 2 is mounted on shell by top chock 5
On 1, lower bearing 3 is mounted on shell 1 by step 6；The installation cavity for accommodating upper bearing (metal) 2 is equipped in top chock 5,
Top chock 5 outside installation cavity is equipped with the opening 7 passed through in the up-down direction for oil gas；
Air inlet 8, the opening in communication on air inlet 8 and top chock 5 are equipped at the top of shell 1；Air inlet 8 is for passing through pipeline
It is connected to introduce internal combustion engine gas blowby with the upper cover of crank case of internal combustion engine；
The side wall of the shell 1 of oil-gas separation mechanism bottom is equipped with net gas outlet 10, net gas outlet 10 for by pipeline with it is motor-driven
The exhaust emissions pipeline of vehicle is connected, and can connect the air inlet 8 of turbocharging pump also to carry out exhaust gas utilization；Oil-gas Separation
There is cavity 11 between mechanism and shell 1 and the cavity 11 is connected with net gas outlet 10；
The side wall of shell 1 below driving mechanism be equipped with for outflow of lubrication oil oil return opening 12, oil return opening 12 when in use with
The top of the oil sump of crankcase is connected.
Oil-gas separation mechanism includes the separation disk upper end being fixedly connected with 4 top of central axis by injection molding or other techniques
It lid 13, the separation disk lower cover 14 being connected with 4 lower part of central axis and is connected to and separates disk upper end cover 13 and separate dish
Each middle part on central axis 4 between piece lower cover 14 separates disk 15；
The bowl body 16 that disk upper end cover 13 includes opening upwards is separated, 16 bottom of bowl body is equipped with through-hole 17, and 17 center of through-hole is equipped with
Fixing sleeve is set to the fixing sleeve 18 on central axis 4, is connected between fixing sleeve 18 and the inner wall of through-hole by connecting rib 19, even
It connects gusset 19 and is uniformly provided with two or more, adjacent connecting rib 19,17 inner wall of through-hole and fixing sleeve along the circumferential direction of fixing sleeve 18
The opening 20 passed through for oil gas is surrounded between 18 outer walls；
It is to clearly show that internal spline 26 that central axis 4, which is equipped with external splines 21(, is not had at the middle part separation disk of bottom in Fig. 4
It shows external splines, also actually there is external splines 21 at this)；Each middle part separation 15 structure of disk is identical, includes being sheathed on center
The radially-outer surface of center ring 22 on axis 4, center ring 22 is connected with multiple tracks radial rib along its circumferential uniform intervals, and per pass is radial
Muscle includes the horizontal segment 23 being in the same plane with center ring 22, extends radially outward and axially simultaneously upwardly extend
Tilting section 24 and bending section 25, horizontal segment 23, tilting section 24 and bending section 25 are sequentially connected；Horizontal segment 23,24 and of tilting section
Bending section 25, which can be, to be wholely set, and is linked together after being also possible to split settings；Bending section 25 and the angle of horizontal plane are small
In the angle of tilting section 24 and horizontal plane；
25 top of bending section is H millimeters at a distance from 23 place plane of horizontal segment, tilting section 24 and 23 place plane of horizontal segment
Distance is H1 millimeters, H1 >=0.5H, and the angle between tilting section 24 and bending section 25 as shown in Figure 3 is α, 5 °≤α≤45 °；Water
The thickness of flat section 23 is greater than the thickness of tilting section 24, and the thickness of tilting section 24 is greater than the thickness of bending section 25；
The inner surface of center ring 22 is equipped with internal spline 26 compatible with external splines 21, and each middle part separation disk 15 passes through internal spline
26 and external splines 21 and central axis 4 be sequentially connected；
The first circumferential circular bar 27, the top of the bending section 25 of each radial rib are connected between the top of the tilting section 24 of each radial rib
The second circumferential circular bar 28 is connected between end；
Several openings are surrounded between center ring 22, each radial rib, the first circumferential circular bar 27 and the second circumferential circular bar 28；Fig. 4
Middle label 29 is shown to be open herein.
The bowl body of disk lower cover 14 including opening upwards is separated, is bowl body herein at 14 instruction of label in Fig. 1.Central axis
4 pass through bowl body bottom and are slidably matched with bowl body；The lower surface for separating disk lower cover 14 is equipped with lower spring groove 30, separates disk
The central axis 4 of the lower section of lower cover 14, which is equipped with, gets out of a predicament or an embarrassing situation 31, is arranged on the central axis 4 between 31 and lower spring groove 30 of getting out of a predicament or an embarrassing situation
Lower spring 32, lower spring 32 upwards will separation disk lower cover 14, each middle part separation disk 15 and separation disk upper end covers 13
Press is together；
Between the opening 20 of opening 7, separation disk upper end cover 13 on top chock 5 and the opening 29 of each middle part separation disk 15
Form the axial passageway passed through for oil gas；
It separates and is formed between each radial rib for separating disk 15 in the middle part of the bowl body 16 and top of disk upper end cover 13 for oil
The centrifugation access 33 of gas separation, adjacent middle part separate the centrifugation access for being formed between each radial rib of disk 15 and being used for Oil-gas Separation
33, the centrifugation access for being used for Oil-gas Separation is formed between each radial rib and the bowl body for separating disk lower cover 14 of lowermost end
33；
1 inner wall of shell is connected by way to cycle oil with oil return opening 12.
The setting of bending section 25 extends the length of centrifugation access 33, increases oil mist particles in gas blowby and is being centrifuged access
The probability to collide in 33 to increase the separative efficiency of oil-gas separation mechanism, while realizing same length
Centrifugation access 33 under the premise of reduce oil-gas separation mechanism the space occupied size, enable the invention to adapt to inner space
Limited motor vehicle.
The thickness of the tilting section 24 of radial rib is greater than the thickness of bending section 25, and this makes it possible in neighbouring two
Part generates gap between the bending section 25 between disk 15, to be collected in gas blowby using horizontal segment 23 and tilting section 24
Lubricating oil is thrown away the lubricating oil being attached on tilting section 24 using the gap between bending section 25 outward upwards, improves oil gas
Separative efficiency.H1 >=0.5H during Oil-gas Separation, collects the path (length of radial rib tilting section 24) long one of lubricating oil
A bit, the collection efficiency of lubricating oil is preferable.Angle between tilting section 24 and bending section 25 is α, and α is too small, and oil gas separation mentions
It rises unobvious；α is excessive, lubricating oil be easy at bending section 25 of the part from disk 15 to be blocked in the upper layer generation rebound without
It can throw away, the efficiency of Oil-gas Separation can be reduced instead.5 °≤α≤45 °, oil gas separation can either be promoted, and avoids lubricating
Oil rebound.α is preferably 10 °.
The way to cycle oil includes collection tank 34 in a ring, the receipts oiled-plate method 35 positioned at annular 34 lower section of collection tank, lower axle
Hold the inner cavity (precisely oil-collecting cavity 36) of the opening and shell 1 on 3, step 6；The radially-outer surface of collection tank 34 with
The sealing cooperation of 1 inner wall of shell can realize sealing in such a way that seal groove cooperates sealing ring to prevent oil leak, be conventional
Technology is no longer described in detail.It is (not shown to open herein that 34 bottom of collection tank is equipped with the opening for being located at and receiving above oiled-plate method 35 and for leading to oil
Mouthful), 6 side wall of step is equipped with the opening (opening of 6 side wall of step not shown) passed through for oil, receives 35 lower section of oiled-plate method
The inner cavity of shell 1 form oil-collecting cavity 36, driving mechanism is located at 36 top of oil-collecting cavity；It is interior to be directed toward the axis direction of central axis
To being reversed extroversion, receive that oiled-plate method 35 is high outside and low outside, receive and be connected at the top of the inner end and lower bearing 3 of oiled-plate method 35.
Way to cycle oil have passed through step 6 and lower bearing 3, can self-lubricate lower bearing 3, for the present invention exempt to tie up for a long time
Row is shipped sth. under guard to provide safeguard.
The driving mechanism include be threaded in 4 bottom of central axis impeller and the spray bar 37 being mounted on shell 1,
Impeller includes ontology 38 and multiple primary blades 39 for being uniformly arranged on ontology 38, in spray bar 37 and motor vehicle lubricating oil road
High pressure section is connected；
It is equipped with nozzle opening in spray bar 37, the jet 41 of nozzle opening is towards 39 side wall of primary blades and the direction of 41 face of jet
Deviate the center line of central axis 4, primary blades 39 are impeller on central axis 4 because of pressure direction suffered by 37 oil spout of spray bar
Screw direction；The vertical cross-section and jet 41 of nozzle opening are oval, and the long axis direction of the ellipse is vertical side
To.
The present invention is driven using the higher lubricating oil of the pressure in motor vehicle as power by impeller-driven central axis 4
Oil-gas separation mechanism rotary work, without other setting power device and control device, structure is simple, provides for non-maintaining operation
It ensures.
The vertical cross-section and jet 41 of nozzle opening are oval, can increase the lubricating oil and primary blades 39 of ejection
Contact area (area of stress surface), oil spout is more preferable to the acting effect of primary blades 39, improves the kinetic energy of oil spout to central axis 4
Rotating energy transformation efficiency.Impeller and primary blades 39 contact lubricating oil for a long time in rotary work, if arranged without locking
It applies, then impeller is easy to occur to loosen even obscission on central axis 4 in long-term use.
Primary blades 39 are that impeller screws direction, energy on central axis 4 because of pressure direction suffered by 37 oil spout of spray bar
Technical effect that is enough automatic in long-term operational process and constantly realizing impeller anti-loose, provides for non-maintaining operation of the invention
Basis.
If impeller and central axis 4 use the conventional connection type of optical axis transition fit, because being simple by friction
Power transmits torque, and when torque is greater than frictional force, just will appear does not have relative rotation or asynchronous rotation between impeller and axis
The phenomenon that, such impeller and axis are easy for wearing.In the present invention, impeller is threadedly coupled with central axis 4, avoid impeller with
The phenomenon that axis asynchronous rotation.
Multiple back blades 40 are equipped at the top of the ontology 38 of impeller, the rotation direction of back blades 40 is identical as primary blades 39；Receive oiled-plate method
35 are connected with downwards level board 43, form negative pressuren zone 42 when impeller rotates between level board 43 and back blades 40；6 side of step
Opening on wall is located in the negative pressuren zone 42.
Opening on 6 side wall of step is located in the negative pressuren zone 42, can will be in step 6 and lower bearing 3
Oily 1 inner cavity of suction casing outward, keeps way to cycle oil more unobstructed, avoids occurring at step 6 and lower bearing 3 obstruction now
As, while the lubricating oil for preventing jet 41 from spraying enters lower bearing 3, is the important guarantor that the present invention is capable of long-term non-maintaining operation
Barrier.
The bottom of the installation cavity of top chock 5 is equipped with opening 44 up and down, sets on the central axis 4 of 44 lower section of opening
Have top bar 45, be arranged with upper spring 46 on the central axis 4 between top bar 45 and upper bearing (metal) 2,46 bottom end of upper spring with appear on the stage
The press cooperation of rank 45,46 upper end of upper spring, which is protruded into the opening and pressed with the inner ring of upper bearing (metal) 2, to be cooperated.
The inner ring of the upward bearing 2 of upper spring 46 transmits torque, thus avoid 2 inner ring of upper bearing (metal) and 4 upper end of central axis it
Between wear 4 upper end of central axis and bearing inner race with respect to sliding, and then extend upper bearing (metal) 2 and central axis 4 and cooperate
The service life of position dependency structure ensures the long-term non-maintaining stable operation of the present invention.
Axial direction in the central axis 4 along central axis 4 is equipped with inner hole 47, between upper bearing (metal) 2 and the roof of installation cavity
With gap 48,47 upper end of inner hole is connected with the gap 48；The opening in the gap 48, upper bearing (metal) 2 and installation cavity bottom
Form the return flow line for sucking the outflow of lubrication oil of inner hole 47；
47 bottom of inner hole is connected with more than one oil-through-hole 49, and oil-through-hole 49 is used to inhale the lubricating oil of 1 intracavity bottom of shell
Enter inner hole 47；
When work, under the differential pressure action that the rotation of central axis 4 generates, the lubricant mist of 1 intracavity bottom of shell is by 49 quilt of oil-through-hole
The inner hole 47 of central axis 4 is sucked, then mist of oil is downwardly into the axial passageway passed through for oil gas through return flow line.
The setting of inner hole 47 and return flow line has the function of three aspects: 1. mist of oil passes through return flow line, flows through axis
Lubricating action is generated to upper bearing (metal) 2 when holding 2, ensures that upper bearing (metal) 2 being capable of long-term non-maintaining normal operation.2. mist of oil is logical by reflux
Enter the axial passageway passed through for oil gas behind road, when by each middle part separation disk 15, middle part can be cleaned and separate disk
Colloid and impurity on 15 avoid the gap blocking between adjacent middle part separation disk 15, ensure long-term non-maintaining operation.3.
When separating disk 15 by each middle part, the oil film of flowing is formed after being thrown on 1 inner wall of shell under the influence of centrifugal force, is prevented
The colloid and impurity isolated in gas blowby are bonded on the inner wall of shell 1, ensure that the present invention being capable of long-term non-maintaining operation.
Shell 1 includes upper housing and lower case, is clamped or is threaded togather between upper housing and lower case.
Shell 1 divides for upper housing and lower case, convenient for assembling active gs-oil separator of the invention.Certainly, shell 1
Left shell 1 and right shell body 1 can be divided into, the same technical effect having convenient for assembly.The mode of this routine variations is all fallen within
Within protection scope of the present invention.
The arc groove 50 of lower end opening is formed between the adjacent primary blade 39 of impeller.
The arc groove 50 of lower end opening is formed between the adjacent primary blade 39 of impeller, convenient for the profit being injected in primary blades 39
Lubricating oil smooth outflow impeller under gravity, and then can be flowed out by oil return opening 12.
The inner radial surface of the collection tank 34 is connected with demarcation plate 9, and the middle part of demarcation plate 9 is equipped with wears for central axis 4
The centre bore crossed, centre bore are connected with lower bearing 3 downwards.
Demarcation plate 9 and receipts oiled-plate method 35 together form twice isolation structure, and the gas ingredients in gas blowby is made to be difficult to enter shell
The gas ingredients in gas blowby more can be thoroughly discharged in the oil-collecting cavity 36 of 1 bottom of body.
In use, the present invention is mounted on motor vehicle, oil return opening 12 is connected with the top of the oil sump of crankcase, air inlet
Mouth 8 is connected with the upper cover of crank case of internal combustion engine, and net gas outlet 10 is connected with the exhaust emissions pipeline of motor vehicle, spray bar 37
It is connected with the high pressure section in motor vehicle lubricating oil road.
After motor vehicle igniting, power oil circulation, 2 lubrication oil circulation of upper bearing (metal) and oil gas point that the present invention has while carrying out
From and lower bearing 3 lubrication etc. processes.
Power oil circulation is: motor vehicle lubricating oil is sprayed on 39 side wall of primary blades of impeller by spray bar 37 through jet 41
On, so that the oil pressure using motor vehicle lubricating oil pushes impeller to rotate, without power device is in addition separately provided.During impeller passes through
Mandrel 4 drives oil-gas separation mechanism high speed rotation.The lubricating oil being sprayed in the primary blades 39 of impeller is natural under gravity
The bottom of 1 inner cavity of shell is flowed downwardly into, and the oil sump of crankcase is passed back into return to the profit of motor vehicle by oil return opening 12
In the normal circulation path of lubricating oil.
2 lubrication oil circulation of upper bearing (metal) is: under the differential pressure action that the rotation of central axis 4 generates, the lubrication of 1 intracavity bottom of shell
Mist of oil is inhaled into the inner hole 47 of central axis 4 by oil-through-hole 49, and then mist of oil is downwardly into described logical for oil gas through return flow line
The axial passageway crossed, and then come back to 1 intracavity bottom of shell.In the process, to upper axis when lubricant mist flows through upper bearing (metal) 2
Hold 2 generation lubricating actions.
Oil-gas Separation and the lubrication of lower bearing 3 are: engine blow-by gas and for lubricate the mist of oil of upper bearing (metal) 2 enter it is axial logical
Lu Hou, when flowing through each middle part separation disk 15, all can some lubricating oil be adsorbed in radial rib.Such as Fig. 1 and Fig. 2 institute
Show, under the action of the centrifugal force that oil-gas separation mechanism is generated by rotation, lubricating oil is thrown away along centrifugation access 33, strikes shell
After on 1 inner wall, the collection tank 34 of annular is flowed downwardly into along 1 inner wall of shell, falls in receive on oiled-plate method 35 still further below, and then flow through lower axle
3 are held, 1 intracavity bottom of shell is flowed into after the opening of 6 side wall of step.When flowing through lower bearing 3, lubricating oil is to lower bearing 3
Generate lubricating action.As shown in Figure 1, the gas in gas blowby then enters centrifugation access 33 along axial passageway, then through Oil-gas Separation
Cavity between mechanism and shell 1 enters net gas outlet 10, finally emits through exhaust emissions pipeline.
After motor vehicle is flame-out, active gs-oil separator of the invention runs out of steam source, stops working naturally.Therefore,
The present invention can automatically begin to work after motor vehicle igniting, be automatically stopped work, whole work process after motor vehicle is flame-out
Need not be automatically controlled, without additional power device, efficient Oil-gas Separation can be carried out to engine blow-by gas, reduce dissipating for lubricating oil
It loses, operation steady in a long-term can be realized without maintenance, there is very high market value.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (9)
1. active gs-oil separator, including shell, it is characterised in that: be equipped with center by upper bearing (metal) and lower bearing in shell
Axis is equipped with oil-gas separation mechanism between the middle and upper part and shell of central axis, be equipped between the bottom and shell of central axis for driving
The driving mechanism of dynamic central axis rotation；Upper bearing (metal) is mounted on shell by top chock, and lower bearing is installed by step
On shell；The installation cavity for accommodating upper bearing (metal) is equipped in top chock, the top chock outside installation cavity is equipped with for oil
The opening that gas passes through in the up-down direction；
Case top is equipped with air inlet, the opening in communication on air inlet and top chock；Air inlet is altered for introducing internal combustion engine
Gas；
The housing sidewall of oil-gas separation mechanism bottom is exported equipped with net gas, is had cavity between oil-gas separation mechanism and shell and is somebody's turn to do
Cavity is connected with the outlet of net gas；
Housing sidewall below driving mechanism is equipped with the oil return opening for outflow of lubrication oil；
Oil-gas separation mechanism includes the separation disk upper end cover being fixedly connected with central axis top, is connected with central axis lower part
Each middle part on separation disk lower cover and the central axis being connected between separation disk upper end cover and separation disk lower cover
Separate disk；
Separation disk upper end cover includes the bowl body of opening upwards, and bowl body bottom is equipped with through-hole, and through hole center is set to equipped with fixing sleeve
Fixing sleeve on central axis is connected between fixing sleeve and the inner wall of through-hole by connecting rib, and connecting rib is along fixing sleeve
It circumferentially is uniformly provided with two or more, surrounds between adjacent connecting rib, through-hole wall and fixing sleeve outer wall and passes through for oil gas
Opening；
Central axis is equipped with external splines；Each middle part separation disc structure is identical, includes the center ring being sheathed on central axis, in
The radially-outer surface of thimble is connected with multiple tracks radial rib along its circumferential uniform intervals, and per pass radial rib includes being located at center ring
Horizontal segment in same plane extends radially outward the tilting section and bending section axially simultaneously upwardly extended, horizontal segment,
Tilting section and bending section are sequentially connected, and the angle of bending section and horizontal plane is less than the angle of tilting section and horizontal plane；
Bending section top is H millimeters at a distance from plane where horizontal segment, and tilting section is H1 at a distance from plane where horizontal segment
Millimeter, H1 >=0.5H, the angle between tilting section and bending section are α, 5 °≤α≤45 °；The thickness of tilting section is greater than bending section
Thickness；
The inner surface of center ring is equipped with internal spline compatible with external splines, and each middle part separation disk passes through internal spline and external splines
It is connect with central shaft driven；
The first circumferential circular bar is connected between the top of the tilting section of each radial rib, between the top of the bending section of each radial rib
It is connected with the second circumferential circular bar；
Several openings are surrounded between center ring, each radial rib, the first circumferential circular bar and the second circumferential circular bar；
Separation disk lower cover includes the bowl body of opening upwards, and central axis passes through bowl body bottom and is slidably matched with bowl body；Separation
The lower surface of disk lower cover is equipped with lower spring groove, separates the central axis below disk lower cover equipped with getting out of a predicament or an embarrassing situation, gets out of a predicament or an embarrassing situation
Lower spring is arranged on central axis between lower spring groove, lower spring upwards will separation disk lower cover, each middle part separation dish
Piece and the press of separation disk upper end cover are together；
It is formed between the opening of opening, separation disk upper end cover on top chock and the opening of each middle part separation disk and is used for oil
The axial passageway that gas passes through；
It separates and is formed between each radial rib for separating disk in the middle part of the bowl body and top of disk upper end cover for Oil-gas Separation
Centrifugation access, form the centrifugation access for being used for Oil-gas Separation between each radial rib of adjacent middle part separation disk, lowermost end
Each radial rib and the bowl body for separating disk lower cover between formed be used for Oil-gas Separation centrifugation access；
Inner walls are connected by way to cycle oil with oil return opening.
2. active gs-oil separator according to claim 1, it is characterised in that:
The way to cycle oil includes collection tank in a ring, receipts oiled-plate method, lower bearing, step below annular collection tank
On opening and housing cavity；Radially-outer surface and the inner walls sealing of collection tank cooperate, and collection tank bottom is equipped with to be located at and receive
Opening above oiled-plate method and for leading to oil, step side wall are equipped with the opening passed through for oil, receive in the shell below oiled-plate method
Chamber forms oil-collecting cavity, and driving mechanism is located at oil-collecting cavity top；To be directed toward the axis direction of central axis as introversion, it is reversed extroversion,
Receipts oiled-plate method is high outside and low outside, receives and is connected at the top of the inner end and lower bearing of oiled-plate method.
3. active gs-oil separator according to claim 2, it is characterised in that: the driving mechanism includes being threadedly coupled
Impeller in central axis bottom and the spray bar that is mounted on shell, impeller include ontology and are uniformly arranged on the body multiple
Primary blades, spray bar are connected with the high pressure section in motor vehicle lubricating oil road；
It is equipped with nozzle opening in spray bar, the jet of nozzle opening is towards primary blades side wall and the direction deviation center of jet face
The center line of axis, primary blades because pressure direction suffered by spray bar oil spout be impeller on center shaft screw direction；Oil spout
The vertical cross-section and jet in hole are oval, and the long axis direction of the ellipse is vertical direction.
4. active gs-oil separator according to claim 3, it is characterised in that: the bodies top of impeller is equipped with multiple pairs
The rotation direction of blade, back blades is identical as primary blades；It receives oiled-plate method and is connected with level board downwards, level board and back blades when impeller rotates
Between form negative pressuren zone；Opening on step side wall is located in the negative pressuren zone.
5. active gs-oil separator according to claim 1, it is characterised in that: the bottom of the installation cavity of top chock is set
There is opening up and down, the central axis below the opening is equipped with top bar, on the central axis between top bar and upper bearing (metal)
It is arranged with upper spring, upper spring bottom end and top bar press cooperate, and the opening and the inner ring with upper bearing (metal) are protruded into upper spring upper end
Press cooperation.
6. active gs-oil separator according to claim 5, it is characterised in that: along the axis of central axis in the central axis
It is equipped with inner hole to direction, there is gap, inner hole upper end is connected with the gap between upper bearing (metal) and the roof of installation cavity；Between being somebody's turn to do
Gap, upper bearing (metal) and the opening of installation cavity bottom form the return flow line for sucking the outflow of lubrication oil of inner hole；
Inner hole bottom is connected with more than one oil-through-hole, and oil-through-hole is used to the lubricating oil of housing cavity bottom sucking inner hole.
7. active gs-oil separator according to claim 1, it is characterised in that: shell includes upper housing and lower case,
It is clamped or is threaded togather between upper housing and lower case.
8. active gs-oil separator according to claim 3, it is characterised in that: formed between the adjacent primary blade of impeller
The arc groove of lower end opening.
9. active gs-oil separator according to claim 2, it is characterised in that: the inner radial surface of the collection tank connects
It is connected to demarcation plate, the middle part of demarcation plate is equipped with the centre bore passed through for central axis, and centre bore is connected with lower bearing downwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854388.4A CN110500159B (en) | 2019-09-10 | 2019-09-10 | Active oil-gas separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854388.4A CN110500159B (en) | 2019-09-10 | 2019-09-10 | Active oil-gas separator |
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| CN110500159B CN110500159B (en) | 2024-07-05 |
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| CN111022152A (en) * | 2020-01-08 | 2020-04-17 | 安徽威尔低碳科技股份有限公司 | Centrifugal oil-gas separation device |
| CN111927596A (en) * | 2020-09-10 | 2020-11-13 | 平原滤清器有限公司 | Impact centrifugal separation disc and active oil-gas separator using same |
| CN111997712A (en) * | 2020-09-04 | 2020-11-27 | 上海弗列加滤清器有限公司 | Filter element assembly and rotary oil-gas separator |
| CN112253626A (en) * | 2020-09-30 | 2021-01-22 | 宁波立达智能控制技术有限公司 | Gas-liquid separator with bypass oil injection structure and oil injection method thereof |
| CN112879122A (en) * | 2021-01-12 | 2021-06-01 | 合肥恒信动力科技股份有限公司 | Spring pressure regulation formula video disc centrifugal separation device |
| CN112870860A (en) * | 2021-03-31 | 2021-06-01 | 德海谛汽车技术(苏州)有限公司 | Gas-liquid separator |
| CN117101316A (en) * | 2023-10-16 | 2023-11-24 | 江苏新凯晟机械设备有限公司 | Oil-gas separation device with double filtering function |
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