CN209244635U - A kind of filter board type oil-gas separating device of engine - Google Patents
A kind of filter board type oil-gas separating device of engine Download PDFInfo
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- CN209244635U CN209244635U CN201821506504.0U CN201821506504U CN209244635U CN 209244635 U CN209244635 U CN 209244635U CN 201821506504 U CN201821506504 U CN 201821506504U CN 209244635 U CN209244635 U CN 209244635U
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Abstract
The utility model provides a kind of filter board type oil-gas separating device of engine, it include: the filter opening formula separator and primary separating device that mounting groove in valve mechanism cover is set, the mounting groove offers the air inlet for receiving gas mixture in crankcase, the mounting groove is additionally provided with the gas vent for the exhaust gas discharge after separating, and the valve mechanism cover, filter opening formula separator and primary separating device combine to form curved gas channel；The filter board type oil-gas separating device of engine can accelerate gas mixture, and isolated oil droplet is flowed out by oil back chamber, and separative efficiency is high, be able to satisfy six engine emission standard of state.
Description
Technical field
The utility model belongs to Oil-gas Separation technical field, and in particular to a kind of filter board type oil-gas separating device of engine.
Background technique
The oil gas that engine generates at work enters combustion chamber and participates in burning, and the machine oil contained in this part of oil gas is logical
It often can't burn completely, but scurried into crankcase together with exhaust gas through piston ring, after entering crankcase, the part machine oil
Steam condensation is thinning, performance decline, and combustion mixture and exhaust gas enter in crankcase and can also crankcase pressure be increased
Greatly, machine oil increases the pollution in engine operation process to atmosphere, therefore, it is necessary to pass through from crankshaft oil seal, liner etc. leakage
It integrates gs-oil separator in valve mechanism cover to separate come the oil gas for excluding engine, traditional valve mechanism cover can only carry out
Single separation, effect can not reach expected.
Such as a kind of Chinese utility model patent " valve mechanism cover " of Publication No. CN205559013U, including valve mechanism cover sheet
Body, cylinder head cover body inside are formed with oil gas pre-separation chamber, and the oil gas pre-separation chamber is equipped with pre-separation air inlet and in advance
Gas outlet is separated, is successively arranged from the pre-separation air inlet to the pre-separation gas outlet along vertical in oil gas pre-separation room
The spaced multiple lateral partitions in direction and in the horizontal direction be in the spaced multiple longitudinal baffles of labyrinth type, lateral partitions
The mazy gas channel for being connected to pre-separation air inlet and pre-separation gas outlet is formed between longitudinal baffle, and in cylinder head
Cover lateral wall is integrated with gs-oil separator.
By the above content it can be found that in the prior art the core of valve mechanism cover oil gas pre-separation be lateral partitions with
The mazy gas channel formed between longitudinal baffle, but its single layer structure Oil-gas Separation ability is poor, low separation efficiency.
Utility model content
The purpose of the utility model is to overcome the defects of the above-mentioned prior art, provide a kind of new filter board type engine oil
Air separation can efficiently separate the oil droplet of air-fuel mixture species, and separative efficiency is high, not need periodic maintenance replacement filter
Core is able to satisfy six engine calls of state.
The purpose of this utility model is achieved through the following technical solutions:
The utility model provides a kind of filter board type oil-gas separating device of engine, comprising: setting is pacified in valve mechanism cover
The filter opening formula separator and primary separating device of tankage, the mounting groove are offered for receiving gas mixture in crankcase
Air inlet, the mounting groove are additionally provided with the gas vent for the exhaust gas discharge after separating, the valve mechanism cover, the separation of filter opening formula
Device and primary separating device combine to form curved gas channel, and the primary separating device includes: first be arranged on bottom plate
Shaped form baffle, the second shaped form baffle and the first partition being arranged in parallel on bottom plate, second partition, third partition,
Four partitions, the 5th partition and the 6th partition, the primary separating device with bending channel being made of partition is for initial gross separation oil
Larger oil droplet in gas mixture；The filter opening formula separator includes: the coarse filtration orifice plate being arranged in parallel on bottom plate and coarse filtration gear
Plate accelerates collision further separation oil droplet for carrying out to gas mixture.
In one embodiment, the first oil back chamber, the second oil back chamber, third oil back chamber, are additionally provided on the bottom plate
Four oil back chambers and the 5th oil back chamber；Gas mixture is after air inlet entrance, and part oil droplet is divided under the action of first partition
From the oil droplet after separation is discharged through the first oil back chamber；After gas mixture flows through second partition and third partition, in impact force
Under effect, the oil droplet being partially separated out is discharged through the second oil back chamber；After gas mixture flows through the 4th partition and the 5th partition,
Under the action of impact force, the oil droplet being partially separated out is discharged through third oil back chamber；After gas mixture flows through the 6th partition, rushing
It hits under the action of power, the oil droplet being partially separated out is discharged through the 4th oil back chamber；Then, gas mixture flows through filter opening formula separation dress
It sets, under the influence of the impact force, the oil droplet being partially separated out is discharged through the 5th oil back chamber.
It is provided on coarse filtration orifice plate in the filter opening formula separator for carrying out acceleration coarse filtration to gas mixture
Hole；In one embodiment, it is provided on the coarse filtration baffle for colliding separation oil droplet and water conservancy diversion to the one of the 5th oil back chamber
Filter rib is provided on the coarse filtration baffle for increasing the needle-shaped convex of oil gas making contact area In yet another embodiment
The portion of rising, the needle-shaped lug boss can effectively prevent oil droplet since high velocity impact causes second-time breakage, improve oil-gas separation efficiency；
The coarse filtration baffle is the hatch frame (flowing convenient for gas mixture) of non-close, and the 5th oil back chamber is arranged in coarse filtration hole
The lower section of plate and coarse filtration baffle is for being discharged the oil droplet being collected into.
In one embodiment, the filter opening formula separator further includes being arranged on bottom plate for colliding separation oil droplet
Curved plates and for the 6th oil back chamber for collecting oil droplet to be discharged, the curved plates are additionally provided with for by oil droplet water conservancy diversion to the 6th
Two filter ribs of oil back chamber.
In one embodiment, the spacing of the coarse filtration orifice plate and coarse filtration baffle is 2~5mm, according to the air inlet of air inlet
Size is measured, the aperture in the coarse filtration hole is 3~6mm, and the number in the coarse filtration hole is 10~45, is made through coarse filtration orifice plate
Flow control in 5~8m/s, flow through coarse filtration orifice plate gas mixture separated in the flow rates with the shock of coarse filtration baffle it is big
The effect of oil droplet is good.
Compared with the prior art, the advantages of the utility model are:
The filter board type oil-gas separating device of engine can accelerate gas mixture, can be with by primary separating device
Larger oil droplet is separated, filter opening formula separator can further promote separative efficiency；In addition, filter board type engine oil gas separation dress
The specification (including pore size and filter opening number) that can also preset coarse filtration hole according to the size of air inflow is set, oil gas is ensured with this
Flow velocity after mixture acceleration, promotes the efficiency for hitting separation oil droplet.
Detailed description of the invention
The embodiments of the present invention are described further referring to the drawings, in which:
Fig. 1 is the structural schematic diagram according to the filter board type oil-gas separating device of engine of the utility model one embodiment；
Fig. 2 is according to the pre- filter board type oil-gas separating device of engine of the utility model one embodiment (bottom plate is not shown)
Three dimensional structure diagram；
Fig. 3 is according to the coarse filtration orifice plate of the utility model one embodiment and the structural schematic diagram of coarse filtration baffle；
Fig. 4 is the three-dimensional structure signal that needle-shaped lug boss is equipped with according to the coarse filtration baffle of the utility model one embodiment
Figure.
In figure, 100 be cylinder head casing, and 101 be mounting groove, and 102 be air inlet, and 103 be venthole, and 201 be bottom plate, 202
For the first shaped form baffle, 203 be the second shaped form baffle, and 204 be first partition, and 205 be second partition, 206 for third every
Plate, 207 be the 4th partition, 208 be the 5th partition, 209 be the 6th partition, 210 be coarse filtration orifice plate, 211 be coarse filtration baffle, 212
It is the second oil back chamber for the first oil back chamber, 213,214 be third oil back chamber, and 215 be the 4th oil back chamber, and 216 be the 5th oil back chamber,
217 be the 6th oil back chamber, and 218 be curved plates, and 220 be coarse filtration hole, and 221 filter rib for one, and 222 be needle-shaped lug boss.
Specific embodiment
In order to make the purpose of this utility model, technical solution and advantage are more clearly understood, and pass through tool below in conjunction with attached drawing
The utility model is further described in body embodiment.It should be appreciated that specific embodiment described herein is only to explain
The utility model is not used to limit the utility model.
A kind of filter board type oil-gas separating device of engine, the filter board type start in an embodiment of the present invention, there is provided
Machine oil air separation includes the filter opening formula separator and primary separating device that mounting groove in valve mechanism cover is arranged in, just separation dress
Filter opening formula point can be entered after gas mixture charging stage separate section oil droplet, gas mixture flow through primary separating device by setting
From device, carry out accelerating collision separation in filter opening formula separator, and oil droplet is discharged by oil return pipe.Such as Fig. 1 and Fig. 2 institute
Show, valve mechanism cover 100 is equipped with the mounting groove 101 of installation primary separating device and filter opening formula separator, and the mounting groove 101 opens up
There are the air inlet 102 for receiving gas mixture in engine crankcase and the exhaust for the exhaust gas discharge after separating
Hole 103, the valve mechanism cover 100, filter opening formula separator and primary separating device combine to form curved gas channel, described first
Separator includes the first shaped form baffle 202 being arranged on bottom plate 201, the second shaped form baffle 203 and parallel arrangement
On bottom plate 201 for collide separate the first partition 204 of oil droplet, second partition 205, third partition 206, the 4th partition 207,
5th partition 208 and the 6th partition 209, the first shaped form baffle 202, the second shaped form baffle 203, first partition 204,
Second partition 205, third partition 206, the 4th partition 207, the 5th partition 208 and the 6th partition 209 surround curved oil jointly
Gas channel, when gas mixture flows through primary separating device, part oil droplet has been come out by initial gross separation under spacer function；The filter
Cellular type separator includes the coarse filtration orifice plate 210 being arranged in parallel on bottom plate 201 for being accelerated to gas mixture and uses
In the coarse filtration baffle 211 of collision separation oil droplet, when gas mixture flows through filter opening formula separator, gas mixture passes through coarse filtration
Orifice plate 210 is accelerated, and collision is then carried out with coarse filtration baffle 211 and is separated, will be given up after separating after the completion of separation through gas vent 103
Gas discharge.
In one embodiment, the first oil back chamber for collected oil droplet to be discharged is additionally provided on the bottom plate 201
212, the second oil back chamber 213, third oil back chamber 214, the 4th oil back chamber 215 and the 5th oil back chamber 216；Gas mixture is from air inlet
After hole 102 enters, part oil droplet is separated under the action of first partition 204 first, and the oil droplet after separation is through the first oil back chamber
212 discharges；After subsequent gas mixture flows through second partition 205 and third partition 206, under the influence of the impact force, part point
The oil droplet separated out is discharged through the second oil back chamber 213；After subsequent gas mixture flows through the 4th partition 207 and the 5th partition 208,
Under the action of impact force, the oil droplet being partially separated out is discharged through third oil back chamber 214；Finally, gas mixture flow through the 6th every
After plate 209, under the influence of the impact force, the oil droplet being partially separated out is discharged through the 4th oil back chamber 215；Then, gas mixture
Filter opening formula separator is flowed through, gas mixture is accelerated by coarse filtration orifice plate 210, then touched with coarse filtration baffle 211
Separation is hit, the oil droplet being partially separated out is discharged through the 5th oil back chamber 216.
The coarse filtration hole 220 for once being accelerated to gas mixture is provided on the coarse filtration orifice plate 210.At one
In embodiment, as shown in figure 3, being provided on the coarse filtration baffle 211 for colliding separation larger oil droplet and water conservancy diversion larger oil droplet is to the
One filter rib 221 of five oil back chambers 216；In yet another embodiment, as shown in figure 4, being arranged on the coarse filtration baffle 211 useful
In the needle-shaped lug boss 222 for increasing oil gas making contact area, it is thick that the needle-shaped lug boss 222 can effectively adsorb high velocity impact
Filter the larger oil droplet of baffle 211 and by oil droplet water conservancy diversion to the 5th oil back chamber 216, prevent larger oil droplet due to high velocity impact cause it is secondary broken
Broken (larger oil droplet collision is easy to produce splashing), improves oil-gas separation efficiency；5th oil back chamber 216 is arranged in coarse filtration orifice plate
210 and coarse filtration baffle 211 lower section for be discharged the oil droplet being collected into, the coarse filtration baffle 211 for non-close hatch frame
(convenient for forming gas channel), gas mixture are hit after flowing through the acceleration of coarse filtration orifice plate 210 with coarse filtration baffle 211, oil
Drop will flow into the 5th oil back chamber 216 by a filter rib 221, remaining gas mixture flows through the opening portion of coarse filtration baffle 211
Divide (gas channel) outflow.
In one embodiment, as the air inflow of air inlet 102 be 60L/min, the aperture in the coarse filtration hole 220 is set as
3mm, the number in the coarse filtration hole 220 are set as 27, and the spacing of the coarse filtration orifice plate 210 and coarse filtration baffle 211 is set as
2mm makes through the flow control of coarse filtration orifice plate 210 in about 5.2m/s, at this point, flowing through 210 gas mixture of coarse filtration orifice plate at this
The effect for separating larger oil droplet with the shock of coarse filtration baffle 211 under the setting of flow velocity and spacing is good；In yet another embodiment, such as air inlet
The air inflow in hole 102 is 100L/min, and the aperture in the coarse filtration hole 220 is set as 6mm, the number setting in the coarse filtration hole 220
It is 10, the spacing of the coarse filtration orifice plate 210 and coarse filtration baffle 211 is set as 3mm, makes the flow velocity control by coarse filtration orifice plate 210
System in about 5.3m/s, at this point, flow through 210 gas mixture of coarse filtration orifice plate under the setting of the flow velocity and spacing with coarse filtration baffle
The effect of 211 shock separation larger oil droplets is good；In yet another embodiment, as the air inflow of air inlet 102 be 150L/min, it is described
The aperture in coarse filtration hole 220 is set as 5mm, and the number in the coarse filtration hole 220 is set as 25, the coarse filtration orifice plate 210 and coarse filtration
The spacing of baffle 211 is set as 5mm, makes through the flow control of coarse filtration orifice plate 210 in about 5.1m/s, at this point, flowing through coarse filtration hole
The effect that 210 gas mixture of plate separates larger oil droplet with the shock of coarse filtration baffle 211 under the setting of the flow velocity and spacing is good；Again
In one embodiment, if the air inflow of air inlet 102 is 270L/min, the aperture in the coarse filtration hole 220 is set as 6mm, described
The number in coarse filtration hole 220 is set as 20, and the spacing of the coarse filtration orifice plate 210 and coarse filtration baffle 211 is set as 4mm, makes to pass through
The flow control of coarse filtration orifice plate 210 is in about 8m/s, at this point, flowing through 210 gas mixture of coarse filtration orifice plate in the flow velocity and spacing
It is good that the lower effect for separating larger oil droplet with the shock of coarse filtration baffle 211 is set；In yet another embodiment, such as the air inlet of air inlet 102
Amount is 270L/min, and the aperture in the coarse filtration hole 220 is set as 4mm, and the number in the coarse filtration hole 220 is set as 45, described
The spacing of coarse filtration orifice plate 210 and coarse filtration baffle 211 is set as 4mm, makes through the flow control of coarse filtration orifice plate 210 in about 8m/s,
At this point, flowing through 210 gas mixture of coarse filtration orifice plate separates big oil with the shock of coarse filtration baffle 211 under the setting of the flow velocity and spacing
The effect of drop is good.
In one embodiment, please continue to refer to Fig. 1 and Fig. 2, the filter opening formula separator further includes being arranged in bottom plate
It is described curved for colliding the curved plates 218 of separation oil droplet and for the 6th oil back chamber 217 for collecting oil droplet to be discharged on 201
Plate 218 is additionally provided with for colliding separation oil droplet simultaneously two filter rib (not shown)s of the water conservancy diversion to the 6th oil back chamber 217；Oil gas
Mixture hits curved plates 218, and oil droplet flows into the 6th oil back chamber 217, remaining air-fuel mixture logistics by two filter ribs
Top (gas channel) through curved plates 218 enters gas vent 103, completes the pre-separation to gas mixture in crankcase.
From above-described embodiment as can be seen that compared with prior art, filter board type engine according to an embodiment of the present application
Gas and oil separating plant can accelerate gas mixture, separate oil droplet and flowed out by oil back chamber, separative efficiency is high；May be used also
To preset the specification (including pore size and filter opening number) in coarse filtration hole according to the size of air inflow, the stream after accelerating is ensured with this
Speed promotes the efficiency for hitting separation oil droplet, is finally able to satisfy the standard of the discharge of state six.
For the ginseng of " each embodiment ", " some embodiments ", " one embodiment " or " embodiment " etc. in this specification
Examine reference is that the special characteristic in conjunction with described in the embodiment, structure or property are included at least one embodiment.Cause
This, phrase " in various embodiments ", " in some embodiments ", " in one embodiment " or " in embodiment " etc. exists
The appearance of each place not necessarily refers to identical embodiment in the whole instruction.In addition, special characteristic, structure or property can
To combine in any way as suitable in one or more embodiments.Therefore, in conjunction with shown in one embodiment or description
Special characteristic, structure or property can wholly or partly with the feature, structure or property of one or more other embodiments
It unlimitedly combines, as long as the combination is not non-logicality or cannot work.In addition, each element in illustrations is only
Only for schematically illustrate, it is not necessarily drawn to scale.
It is thus described several aspects of at least one embodiment of the utility model, it will be understood that art technology
Various changes, modification and improvement are easy to carry out for personnel.This changes, modifications and improvement are intended to the essence in the utility model
In mind and range.
Claims (5)
1. a kind of filter board type oil-gas separating device of engine, comprising: the filter opening formula separation dress of mounting groove in valve mechanism cover is arranged in
It sets and primary separating device, the mounting groove offers air inlet and gas vent, the valve mechanism cover, filter opening formula separator and just
Separator combines to form gas channel, it is characterised in that:
The primary separating device includes: the first shaped form baffle, the second shaped form baffle and parallel cloth being arranged on bottom plate
Set first partition, second partition, third partition, the 4th partition, the 5th partition and the 6th partition on bottom plate；The filter opening formula
Separator includes: the coarse filtration orifice plate and coarse filtration baffle being arranged in parallel on bottom plate.
2. filter board type oil-gas separating device of engine as described in claim 1, it is characterised in that: be additionally provided on the bottom plate
First oil back chamber, the second oil back chamber, third oil back chamber, the 4th oil back chamber and the 5th oil back chamber.
3. filter board type oil-gas separating device of engine as claimed in claim 2, it is characterised in that: the filter opening formula separator
In coarse filtration orifice plate on be provided with coarse filtration hole, be provided with a filter rib or needle-shaped lug boss on the coarse filtration baffle, it is described thick
The hatch frame that baffle is non-close is filtered, the lower section of coarse filtration orifice plate and coarse filtration baffle is arranged in the 5th oil back chamber.
4. filter board type oil-gas separating device of engine as described in claim 1, it is characterised in that: the filter opening formula separator
It further include the curved plates being arranged on bottom plate and the 6th oil back chamber, the curved plates are additionally provided with two filter ribs.
5. filter board type oil-gas separating device of engine as claimed in claim 3, it is characterised in that: the coarse filtration orifice plate and coarse filtration
The spacing of baffle is 2~5mm, and the aperture in the coarse filtration hole is 3~6mm, and the number in the coarse filtration hole is 10~45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506504.0U CN209244635U (en) | 2018-09-14 | 2018-09-14 | A kind of filter board type oil-gas separating device of engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506504.0U CN209244635U (en) | 2018-09-14 | 2018-09-14 | A kind of filter board type oil-gas separating device of engine |
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| CN209244635U true CN209244635U (en) | 2019-08-13 |
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| CN201821506504.0U Active CN209244635U (en) | 2018-09-14 | 2018-09-14 | A kind of filter board type oil-gas separating device of engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052660A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Filter plate-type engine oil-gas separation device |
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2018
- 2018-09-14 CN CN201821506504.0U patent/CN209244635U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052660A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Filter plate-type engine oil-gas separation device |
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