CN202431330U - Oil separator unit and oil separator structure - Google Patents
Oil separator unit and oil separator structure Download PDFInfo
- Publication number
- CN202431330U CN202431330U CN2011204267723U CN201120426772U CN202431330U CN 202431330 U CN202431330 U CN 202431330U CN 2011204267723 U CN2011204267723 U CN 2011204267723U CN 201120426772 U CN201120426772 U CN 201120426772U CN 202431330 U CN202431330 U CN 202431330U
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- oil
- convex surface
- gas
- baffle plate
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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
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
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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
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0433—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a deflection device, e.g. screen
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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
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/045—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil using compression or decompression of the gas
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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
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
Abstract
The utility model relates to an oil separator unit and an oil separator structure. Oil mist is separated from leaking gas which is guided in and is rapidly converted into oil with fluidity displayed. At least one lower surface of baffles (8, 14 and 15) forms a convex surface (35) protruding downwards in the collision area of the leaking gas, and oil mist in the leaking gas and oil mist attached to the convex surface (35) are condensed due to collision between the leaking gas and the convex surface (35). Therefore, part of the oil mist can be converted into oil (38a) with liquid properties displayed, and the oil (38a) moves towards the lowest surface (top surface) along the convex surface (35) sequentially depending on the gravity and is mutually condensed on the lowest surface.
Description
Technical field
The utility model relates to and is used for separating the oil separator unit of mist of oil and using the oil distributor structure of this oil separator unit from seepage gas.
Background technique
As oil distributor structure, what generally know that has a following structure, at the sidewall of hydraulic cylinder the oil separator unit is installed, the enclosed space that is formed for separating oil by the sidewall and the oil separator unit of its hydraulic cylinder.For example; Following scheme has been proposed in patent documentation 1; In above-mentioned oil distributor structure; In enclosed space, set the next door, this enclosed space is divided into the inboard inner room of the width direction that is positioned at hydraulic cylinder and is positioned at the mistress who more leans on the width direction outside of hydraulic cylinder than this inner room, indoorly set partition wall with mode across the sidewall of next door and hydraulic cylinder interior; Indoor first inner room and second inner room of being divided in inciting somebody to action; Make the seepage gas inflow entrance that is communicated in the crank box in the face of indoor in first, make seepage gas stream exit face, form on the next door and make seepage gas introduction port that first inner room is communicated with the mistress and the seepage gas export mouth that the mistress is communicated with second inner room indoor in second.
Thus, in first, second inner room, utilize settling methods, inertia capture effect etc.; Can from seepage gas, separate mist of oil, moreover, in the mistress; Can cool off seepage gas effectively and promote the cohesion etc. of mist of oil, can improve the separating property of oil effectively.
In addition, the inventor considers parts number of packages, the pressure loss etc., has carried out the improvement of above-mentioned oil distributor structure.Particularly; Study in the following areas, top, the bottom of the enclosed space that forms in sidewall and oil separator unit by hydraulic cylinder are offered gas stream outlet, gas inflow entrance respectively; And; Between this gas inflow entrance and gas outflow opening, set a plurality of baffle plates, utilize this a plurality of baffle plates, make the seepage gas that imports from gas inflow entrance flow to the gas stream outlet circuitously.According to this oil distributor structure, only setting under the extremely simple structure of a plurality of baffle plates, the direction of seepage gas is changed, when the direction of this seepage gas changes, mist of oil from this seepage gas attached to the lower surface of baffle plate etc. and separated.
Patent documentation 1: No. 4249504 communiques of Japan Patent
But; On the lower surface of each baffle plate in above-mentioned oil distributor structure; Basically mist of oil in the seepage gas and the mist of oil that has been attached to the baffle plate lower surface clash; Thereby these two kinds of mist of oil cohesions if will make these mist of oils become the liquid condition (drop state) that shows mobile degree, then need certain hour to wait for the progress of this mist of oil cohesion (based on the increaseization of cohesion).Therefore, at each baffle plate lower surface, the not cohesion of talkative mist of oil, liquefaction must be carried out smoothly and promptly, also have room for improvement from the viewpoint consideration of recovered oil promptly.
The model utility content
The utility model is made in view of aforesaid situation, and its first technical task provides a kind of mist of oil that can from seepage gas, separate, and this mist of oil is transformed into the oil separator unit that shows mobile oil rapidly.
Second problem is that providing a kind of can separate mist of oil from seepage gas, and this mist of oil is transformed into the oil distributor structure that shows mobile oil rapidly.
In order to reach above-mentioned first technical task; The utility model (model utility of scheme 1) is a kind of oil separator unit, is installed on the sidewall of hydraulic cylinder, and is configured for the oil distributor structure of separating oil; Its structure is following; Possess: have recess in inside, and on being installed on the sidewall of above-mentioned hydraulic cylinder the time, form the cap assembly of enclosed space with the sidewall cooperation of this hydraulic cylinder; And it is outstanding and be provided with configuration relation up and down from the inner bottom part of above-mentioned cap assembly; And the seepage gas that the lower side in this enclosed space is imported is tortuous flow in to above a plurality of baffle plates of side flow; Among the outstanding a plurality of baffle plates of the inner bottom part of above-mentioned cap assembly; On the lower surface of at least one baffle plate, be formed with at the outstanding downwards convex surface of the collision area of above-mentioned seepage gas.The record of the optimal way of this scheme 1 such as scheme 2～10.
In order to reach above-mentioned second technical task; The utility model (model utility of scheme 11) is a kind of oil distributor structure, and mounting cup parts on the sidewall of hydraulic cylinder form enclosed space by the sidewall of this hydraulic cylinder and this cap assembly; Offer the gas inflow entrance that is used to import seepage gas in the bottom of this enclosed space; Offer on the top of this enclosed space and to be used to discharge oil and to separate the gas stream outlet that processing after handling finishes gas, between above-mentioned gas inflow entrance and above-mentioned gas outflow opening, set a plurality of baffle plates, utilize these a plurality of baffle plates to make the seepage gas that imports from the above-mentioned gas inflow entrance mobile circuitously to above-mentioned gas stream outlet with configuration relation up and down; Its structure is following; On at least one lower surface of above-mentioned baffle plate,, be formed with outstanding convex surface downwards at the collision area of above-mentioned seepage gas.
The utlity model has following beneficial effect.
According to the utility model (model utility of scheme 1); Owing to, be formed with at the outstanding downwards convex surface of the collision area of seepage gas, therefore from least one lower surface of the outstanding baffle plate of the inner bottom part of cap assembly; If use this oil separator unit to constitute oil distributor structure; And in its enclosed space, importing seepage gas, when then changing direction when the lower surface collision of this seepage gas and this baffle plate, the mist of oil in this seepage gas collides, condenses with the mist of oil that has been attached on the convex surface.And their part what show the character as liquid as oil, then should move to its bottom (end face) along convex surface immediately based on gravity successively by oil, and in its bottom, this oil is condensed into big oil (drop state) each other.And the oil in moving follows this to move, and draws the mist of oil, the oil that are attached on the convex surface over to one's side and forms integratedly, and this also helps this oily volume to increase.
And this moment; On convex surface, as stated, the oil of liquefaction moves to its bottom (end face) along this convex surface; Therefore with the seepage gas of convex surface collision in mist of oil by on this convex surface by catching effectively; The oil that on this convex surface, moves volume thereupon increases, and the increase through the travelling speed that causes based on this volume increase, accelerates and has been attached to the integrated of mist of oil on the convex surface, oil.
Thereby, through using this oil separator unit, can separate the mist of oil in the seepage gas that is imported, and make this mist of oil be transformed into the oil that shows flowability rapidly.Thus, utilize the flowability of this oil can improve oil discharge property, can carry out the discharge (recovery) of oil rapidly.
According to the model utility of scheme 2 because convex surface has the structure of extending to the projected direction front end of baffle plate, therefore, under the convex surface of concrete extension shape, can be in its bottom the mobile oil of centralized displaying effectively.
In addition; For the oil in the active set; Though there is situation about falling from the bottom of convex surface based on gravity; But be based on the pressing force (pressing force of the seepage gas that flows by the lower surface of baffle plate guiding and to its forward end, viscous force etc.) of seepage gas, to the privileged site upper surface of lower layer side continuously and concentrated area output from the front end of baffle plate with convex surface.Therefore,, can improve the continuity (that is exported is oily integrated and continuous) of oil, utilize this oily continuity, flowability, can effectively oil be directed to oil and discharge the position in a side of being exported.
Model utility according to scheme 3; Since from the upper surface at least of each outstanding baffle plate of the inner bottom part of cap assembly with along with the terminal side from this each baffle plate tilts towards the mode of forward end step-down; Therefore the guiding function of utilizing the inclination based on each baffle plate upper surface to cause can be discharged oil effectively.
Model utility according to scheme 4; Owing among the upper surface of baffle plate,, be formed with the concave surface of withdrawing accordingly downwards with this convex surface at the upper area of this convex surface with convex surface; Therefore the oil that falls as if baffle plate from the upper strata that is configured in the baffle plate with this convex surface and concave surface or upper wall portions etc. gets in the concave surface; Then these oil move to the bottom along concave surface based on gravity successively, follow this to move, and are attached to oil cohesion in the concave surface, integrated.Therefore, on this concave surface, can make the oil that falls from baffle plate or upper wall portions etc. become mobile higher oil (oil that volume increases) rapidly, also can improve the rapid property of discharging oil from this point.
In addition,, except the oil of exporting from the convex surface front end of lower surface, also append, can increase oily output quantity from the oil of the concave surface front end output of upper surface as oil mass from the output of baffle plate front end.Therefore,, the continuity of oil can be further improved, the discharge rapidly of oil can be continuity that should oil effectively be used in output one side.
Model utility according to scheme 5; Owing to have the baffle plate of convex surface and concave surface, be benchmark with this convex surface and this concave surface, with about the side mode higher than opposite side tilt; Therefore; Even the oil that the baffle plate from the upper strata that is disposed at the baffle plate with this convex surface and concave surface, wall etc. fall does not get in the concave surface,, just can make the oil of this whereabouts move and get in the concave surface based on the inclination of this baffle plate if be that benchmark drops on the upper surface of a side with it.Therefore, can the oil that get in the concave surface be increased with simple structure.Thus, can further improve the action effect of such scheme 4.
Model utility according to scheme 6; Because the upper wall portions at cap assembly is formed with the gas stream outlet, the baffle arrange-ment with convex surface becomes with the upper wall portions of cap assembly directly to be faced relatively, and convex surface is configured to the lower zone through the gas stream outlet; Therefore based on the guiding function of convex surface; Seepage gas is to shunt about benchmark with the convex surface, and should each shunting when the front end of this baffle plate is circuitous to above flow, can be the benchmark both sides separation to the left and right of trying one's best with the gas stream outlet with this shunting.Thus, need not to make seepage gas (shunting) directly to discharge, and it is at first collided with the upper wall portions with this gas stream outlet, can realize cohesion, the liquefaction of the mist of oil in the seepage gas thereupon from the gas stream outlet.Therefore, can further improve the separating property of mist of oil with upper wall portions as baffle plate with gas stream outlet.
Model utility according to scheme 7; Owing among the upper surface of baffle plate,, be formed with corresponding and concave surface that withdraw downwards with this convex surface at the upper area of this convex surface with convex surface; Therefore; With do not exist the situation of concave surface to compare at the baffle plate upper surface, can increase the distance between gas stream outlet and the baffle plate upper surface (concave surface) under it, the oil that can suppress to be positioned at baffle plate upper surface (especially gas stream outlet under zone) is from gas stream outlet discharge.
According to the model utility of scheme 8, because among a plurality of baffle plates, neighbouring baffle plate is provided with as follows; In the time of on the sidewall that cap assembly is installed in hydraulic cylinder, from the outstanding baffle plate of the sidewall of this hydraulic cylinder between this neighbouring baffle plate, therefore; Can utilize the baffle plate of cap assembly and the baffle plate of hydraulic cylinder sidewall to make seepage gas become tortuous air-flow; And under this seepage gas, separate mist of oil, and this mist of oil is transformed into the oil that shows flowability rapidly.
According to the model utility of scheme 9, because the baffle arrange-ment with convex surface is at the upside from the outstanding baffle plate of the sidewall of hydraulic cylinder, and at the downside of the baffle plate with convex surface; To be provided with the adjustment plate with the direct relative mode of the baffle plate with convex surface; The adjustment plate is configured to the baffle plate cooperation outstanding with go out sidewall from hydraulic cylinder and enclosed space is separated up and down, on the adjustment plate, in the zone of facing with convex surface; Be formed with the opening of up/down perforation; Therefore, can the opening of gas leakage utilization adjustment plate be guided, and it is collided with convex surface reliably.Thus, can from seepage gas, separate mist of oil, and it is transformed into the oil that shows flowability rapidly.
According to the model utility of scheme 10, in the upper wall portions of cap assembly, be formed with the gas stream outlet that is used to install the PCV valve that is connected with gas handling system, when having the structure of PCV valve, gas handling system, also can obtain the action effect identical with such scheme 1.
According to the utility model (model utility of scheme 11), oil distributor structure is the mounting cup parts on the sidewall of hydraulic cylinder, form enclosed space by the sidewall of this hydraulic cylinder and this cap assembly; Offer the gas inflow entrance that is used to import seepage gas in the bottom of this enclosed space; Offer the gas stream outlet of the processing end gas after being used to discharge oil separation processing on the top of this enclosed space, between above-mentioned gas inflow entrance and above-mentioned gas outflow opening, set a plurality of baffle plates, utilize these a plurality of baffle plates to make the seepage gas that imports from the above-mentioned gas inflow entrance export mobile circuitously to above-mentioned gas stream; And; Owing at least one lower surface of above-mentioned baffle plate,, be formed with outstanding convex surface downwards at the collision area of above-mentioned seepage gas; Therefore; Same with the situation of such scheme 1, can utilize convex surface to separate the mist of oil in the seepage gas that is imported, and make this mist of oil be transformed into the oil that shows flowability rapidly.
Description of drawings
Fig. 1 is that the oil separator unit of expression mode of execution is installed on the hydraulic cylinder sidewall and constitutes the stereogram of state of the oil distributor structure of mode of execution.
Fig. 2 is the longitudinal section of internal structure of the oil distributor structure of expression mode of execution.
Fig. 3 is the longitudinal section of internal structure that expression is installed in the oil separator unit of the mode of execution on the hydraulic cylinder sidewall.
Fig. 4 is the X4-X4 line sectional view of Fig. 3.
Fig. 5 is the X5-X5 line sectional view of Fig. 3.
Fig. 6 is the stereogram of the hydraulic cylinder sidewall of expression mode of execution.
Fig. 7 is the explanatory drawing of installation relation of structure and parts of the oil separator unit of expression mode of execution.
Fig. 8 is illustrated in the explanatory drawing of the seepage gas flow in this oil separator unit when being the state of internal surface of oil separator unit of expression mode of execution.
Fig. 9 is the explanatory drawing of the cohesion of the oil of explanation on the flexure plane of the baffle plate of mode of execution.
Figure 10 is the explanatory drawing that the flexure plane of the right baffle plate of explanation and gas stream exit face plays the guiding function of seepage gas.
Among the figure:
The 1-hydraulic cylinder, 1a-one side's sidewall, 2-oil distributor structure, 4-oil separator unit, 5-framework; The 6-recess, 8-baffle portion (baffle plate), 11-gas inflow entrance, 12-oil exhaust port, 13-cover portion (cap assembly); 14-baffle portion (baffle plate), 15-baffle portion (baffle plate), 16-adjusts board (adjustment plate), the outlet of 31-gas stream, 32-PCV valve; 35-convex surface (flexure plane), 36-concave surface (flexure plane), 37-opening, 38a-oil, 38A-oil.
Embodiment
Below, based on the mode of execution of description of drawings the utility model.
In Fig. 1～Fig. 4, mark 1 is the hydraulic cylinder as the constituting component of motor, for example engine for automobile.On the sidewall 1a of the width direction X one side's side in this hydraulic cylinder 1, possesses oil distributor structure 2.Consider through the gap of piston with the oil hydraulic cylinder inwall that inserts this piston with a gap (in the hydraulic cylinder 1); The seepage gas (combustion gas) that in crank box, spills from the firing chamber comprises the situation of mist of oil; This oil distributor structure 2 has separation and is contained in the mist of oil in the above-mentioned seepage gas, and only makes the function that turns back to gas handling system as the seepage gas of gas.In order to ensure this function, in oil distributor structure 2, be formed with oil separator unit installing structure portion 3 on the side's in hydraulic cylinder 1 the sidewall 1a, and in this oil separator unit installing structure portion 3, oil separator unit 4 be installed.
Like Fig. 2, Fig. 4, shown in Figure 6, on the above-mentioned oil separator unit installing structure side of portion 3 in hydraulic cylinder 1 the sidewall 1a, utilize framework 5 (recess periphery) to be formed with recess 6.Framework 5 possesses: the surrounding wall portion 7 that erects with the mode of dividing recess 6; And in this surrounding wall portion 7, erect and the baffle portion (baffle plate (deflection plate)) 8 that is provided with.Surrounding wall portion 7 portion within it is formed with the space, on the front-end face of this surrounding wall portion 7, is formed with a plurality of bolt mounting holes 9.Baffle portion 8 is adapted to being divided into two Room up and down in the recess 6.This baffle portion 8 is in identical extrusion position (flare mode) with its front-end face with the front-end face of surrounding wall portion 7; And the length direction Y one distolateral (left side among Fig. 6) of hydraulic cylinder 1 tilts than another distolateral (right side among Fig. 6) high mode of length direction Y of hydraulic cylinder 1, and its upper surface is inclined to along with step-down towards the width direction X of hydraulic cylinder 1 (left and right directions among Fig. 4) outside and slightly.In order to utilize the structure in the skirt section of expanding to the width direction X outside of hydraulic cylinder 1 10, this framework 5 is arranged on the skirt section 10, in the bottom of this framework 5, is formed with two gas inflow entrances 11 and an oily exhaust port 12.The state configuration that gas inflow entrance 11 is arranged with the length direction Y to hydraulic cylinder 1 in the inside of framework 5; Oil exhaust port 12 is positioned at the position of more leaning on the opening side of framework 5 than these inflow entrances between two gas inflow entrances 11, these all are communicated with in the following chamber and crank box (omitting diagram) in 6 liang of chambers of above-mentioned recess.
Like Fig. 1～shown in Figure 4, above-mentioned oil separator unit 4 possesses cover portion (cap assembly) 13 integratedly, is provided in its inner a plurality of baffle portion (baffle plate) 14,15 and adjustment board (adjustment plate) 16.Material as these parts; In this mode of execution; Consider rigidity, dimensional stability (whether useful bolted crank), heat resistance (degree of the distortion under the 130 degree maximum temperatures), oil resistance, petrol-resistance, anti-calcium chloride property performances such as (whether deterioration are arranged), select the material of these superior performances.Particularly, use adds the polyamide 66 (PA66) of glass etc.
As shown in Figure 7; Above-mentioned cover portion 13 its outer periphery shapes and above-mentioned surrounding wall portion 7 are corresponding and form; Be used to be installed in the lip part 18 on surrounding wall portion 7 front-end faces being formed with on its periphery 17, than this lip part 18 in the inner part, outside wall portions 19 is outwards heaved and is formed recess.On lip part 18; Be formed with a plurality of bolt insertion holes 20 accordingly with a plurality of bolt mounting holes 9 in the above-mentioned surrounding wall portion 7; Through this each bolt insertion hole 20 with bolt 21 and each bolt mounting holes 9 screw-thread fit; Thereby cover portion 13 is installed on framework 5 end faces, thus, forms enclosed space 22 (with reference to Fig. 4 etc.) by framework 5 and cover portion 13.On the internal surface of this lip part 18,, in complete all scopes, form Sealing mounting groove 23, in sealing part mounting groove 23, embed Sealing 24 in position than the more inner all sides of above-mentioned each bolt insertion hole 20.Therefore, through with each bolt 21 cover portion 13 being installed on the framework 5, Sealing 24 is pressed in surrounding wall portion 7 front-end faces, guarantees the sealing of above-mentioned enclosed space 22 with respect to the outside.In addition, in Fig. 7, mark 25 is the linings that insert with a gap in each bolt insertion hole 20.
Above-mentioned outside wall portions 19 like Fig. 2～Fig. 4, shown in Figure 7, possesses side wall portion 26, upper wall portions 27, lower wall portion 28 and the bottom wall portion 29 of pairing left and right in order to form the shape of outwards heaving integratedly.The side wall portion 26 of pairing left and right is configured to devices spaced apart, and tilts to another distolateral (right side among Fig. 3) of the length direction Y of hydraulic cylinder 1 more the closer to its upper end side, and the plate face of the side wall portion 26 of this pairing left and right almost parallel ground is each other faced (with reference to Fig. 3).Upper wall portions 27 connect pairing left and right side wall portion 26 the upper end portion each other, this upper wall portions 27 with its plate face towards above-below direction and roughly extend to substantially horizontal.Lower wall portion 28 connect pairing left and right side wall portion 26 the underpart each other, this lower wall portion 28 with its plate face towards above-below direction and roughly extend to substantially horizontal.Periphery in the plate face of bottom wall portion 29 is connected on each exterior edge face of side wall portion 26, upper wall portions 27 and lower wall portion 28 of pairing left and right, utilizes this bottom wall portion 29, covers the opening that is formed by side wall portion 26, above-mentioned upper wall portions 27 and lower wall portion 28.
Like Fig. 1～Fig. 4, Fig. 7, shown in Figure 8, be formed with teat 30 on the upper wall portions 27 in above-mentioned outside wall portions 19, on this teat 30, be formed with gas stream outlet (outlet of seepage gas stream) 31.Teat 30 is arranged in the position of the central side that keeps left a little of transverse direction (left and right directions of Fig. 3) than upper wall portions, and gas stream exports 31 up/down perforation teats 30, is communicated with in the cover portion 13 with outside.In this gas stream outlet 31, PCV valve 32 is installed.On this PCV valve 32, be connected with seepage gas supply pipe (omitting diagram), through these parts, seepage gas supplies in the inlet manifold (omitting diagram) as gas handling system.In addition, in Fig. 7, mark 40 is sealing gaskets, and mark 41 is fixed blocks.
Like Fig. 2～Fig. 4, Fig. 7, shown in Figure 8, above-mentioned a plurality of baffle portion 14,15 are outstanding outside the recess opening of cover portion 13 from the bottom wall portion 29 as the structural element of above-mentioned outside wall portions 19 with configuration relation up and down.Each baffle portion 14,15 with its plate face towards above-below direction; And between the side wall portion 26 across pairing left and right; At this moment; Baffle portion 14,15 is inclined to the length direction Y one distolateral (left side among Fig. 3) of hydraulic cylinder 1 another distolateral (right side among Fig. 3) height of length direction Y than hydraulic cylinder 1, and the upper and lower surfaces of this each baffle portion 14,15 is with along with tilting a little towards the mode of forward end step-down from terminal side (bottom wall portion 29 sides).This baffle portion 14,15 is installed under the state on the framework 5 in cover portion 13, is in and the configuration relation that differs from one another from the outstanding baffle portion 8 of recess 6 inner bottom parts of hydraulic cylinder 1, and its each front end is configured to devices spaced apart and overlapping along the vertical direction successively.Thus, shown in the blank arrow of Fig. 4, the seepage gas that imports from gas inflow entrance 11 flows to gas stream outlet 31 circuitously.
Like Fig. 2～Fig. 5, Fig. 7, shown in Figure 8, above-mentioned baffle portion 14 disposes as undermost baffle portion.This baffle portion 14 possesses integratedly: the side portion 33 of pairing left and right that is located at transverse direction (left and right directions among Fig. 3) both sides of oil separator unit 4; And between this both sides quadrate part 33, be configured to the intermediate portion 34 lower than this both sides quadrate part 33 with certain width roughly.
Each side portion 33 slowly tilts with the mode that descends gradually towards the transverse direction inboard along with the transverse direction outside from oil separator unit 4; If it arrives near each precalculated position of transverse direction of oil separator unit 4, then each side portion 33 falls into downwards with the flexure plane with bigger curvature.And this both sides quadrate part 33 is outstanding outside the recess opening of cover portion 13, and its front end enters to recess 6 inner bottom parts of hydraulic cylinder 1, and thus, each side portion 33 is from upside blanketing gas inflow entrance 11.
The two end part that fall into downwards of the both sides quadrate part 33 about intermediate portion 34 connects, the position of this intermediate portion 34 with respect to both sides quadrate part 33 with step-like step-down.This intermediate portion 34 only projects to the recess opening of cover portion 13, and the front end of this intermediate portion 34 does not get in the framework 5.Therefore, above-mentioned oily exhaust port 12 is positioned at the front end front side of intermediate portion 34.
Thus, if seepage gas flows into from gas inflow entrance 11 in the recess 5 of hydraulic cylinders 1, then this seepage gas by the shape directs of each side portion 33, thereby is directed to front end the place ahead of intermediate portion 34 shown in the blank arrow of Fig. 4, Fig. 5.On the other hand, when upside fell, this oil was after being accepted by side portion 33 and intermediate portion 34, via these parts oily exhaust port 12 that leads at separated oil.
Like Fig. 2～shown in Figure 4, above-mentioned baffle portion 15 is configured in the below of upper wall portions 27 of top and the cover portion 13 of the baffle portion 8 in the hydraulic cylinder 1.This baffle portion 15 forms the state that its transverse direction (left and right directions among Fig. 3) substantial middle part bloats downwards for the upper and lower surfaces in baffle portion 15 forms flexure plane.Thus, on the lower surface of this baffle portion 15, be formed with outstanding convex surface (flexure plane) 35 downwards, on the upper surface of this baffle portion 15, be formed with the concave surface (flexure plane) 36 of withdrawal downwards accordingly with convex surface 35.This convex surface 35 and concave surface 36 keep roughly certain width and are formed in the projected direction length range of baffle portion 15 on the transverse direction of baffle portion 15, this convex surface 35 and concave surface 36 are configured to through PCV valve 32 (gas stream outlet 31).At this moment, convex surface 35 is configured to also through the zone in the circuitous seepage gas collisions of the front end of the baffle portion 8 of hydraulic cylinder 1.
Like Fig. 2～Fig. 4, Fig. 7, shown in Figure 8, above-mentioned adjustment board (adjustment plate) 16 is between above-mentioned baffle portion 14 and above-mentioned baffle portion 15, and is outstanding to the opening of cover portion 13 from the bottom wall portion 29 of cover portion 13.This adjustment board 16 also extends with the mode across the side wall portion 26 of pairing left and right, and its front-end face projects to the extrusion position identical with the open end of cover portion 13.The front-end face of this adjustment board 16 and the front-end face butt of the baffle portion 8 in the hydraulic cylinder 1, this baffle portion 8 is divided enclosed space 2 up and down with 16 cooperations of adjustment board.At the front end of this adjustment board 16, big two cutting openings 37 are cut with the state that is set up in parallel, and at front end and the front end butt of baffle portion 8 of this cutting opening 37 through making adjustment board 16, bring into play function as guide opening (usage flag 37).This guide opening 37 is faced with the lower zone of the convex surface 35 of baffle portion 15, and this two opening 37 will be wanted to guide to convex surface 35 reliably at the circuitous seepage gas of the front end of baffle portion 8.
In this oil distributor structure 2; Shown in the arrow of the blank arrow of Fig. 4, Fig. 8; Flow into the seepage gas of enclosed space 22 from gas inflow entrance 11; Receive the guiding of side portion 33 lower surfaces of undermost baffle portion 14, front end the place ahead of the intermediate portion 34 from its baffle portion 14 is transformed into upward flow.Afterwards, the guiding function according to baffle portion 8,15 and adjustment board 16 rises when complications flow.The collision of each lower surface and direction that the tortuous air communication of this seepage gas is crossed seepage gas and baffle portion 8,15 are changed and produce.At this moment, it is first-class and from the seepage gas separation that the mist of oil in the seepage gas is attached to the lower surface of this baffle portion 8,15.Continue to supply with to the lower surface of each baffle portion 8,15 through seepage gas, this mist of oil condenses and the volume increase each other, thereby on the lower surface of each baffle portion 8,15, produces the drop of oil.This oily drop according to each baffle portion 8,15 the front end of its lower surface tilt lowlyer and the effect of pushing of the seepage gas that flows to its projected direction front end at the lower surface of each baffle portion 8,15; Release from the front end of each baffle portion 8,15, this oil is discharged (omitting diagram) through intermediate portion 34 upper surfaces of baffle portion 8,14 upper surfaces of the lower floor of baffle portion 8,15, baffle portion 14 and from oil discharge hole 12 to crank box.On the other hand, the seepage gas that has separated mist of oil is discharged to inlet manifold via PCV valve 32.
Certainly, in the case, the drop of the oil of the lower surface of each baffle portion 8,15 just fell before the front end that arrives each baffle portion 8,15 based on its rapid growth sometimes.
In this oil distributor structure 2, the convex surface 35 of baffle portion 15 separates mist of oil from seepage gas, and makes this mist of oil be transformed into the oil that shows flowability rapidly.
Promptly; If the tortuous seepage gas that flows is supplied with to the convex surface 35 of baffle portion 15 lower surfaces through the opening 37 of adjustment board 16; Then mist of oil in the seepage gas and 35 collisions of this convex surface, the mist of oil in this seepage gas is attached on the convex surface 35, and the volume increase with the mist of oil cohesion of having adhered to.If these mist of oils are even a part of liquefaction, oil (droplet-like) 38a that then should liquefaction is as shown in Figure 9 successively, moves to the bottom along convex surface 35 based on gravity.And in this bottom, this oil 38a condenses each other and becomes and show mobile big oily 38A (drop state).At this moment, the oily 38a in moving also draws other mist of oils, the oil that have been attached on the convex surface 35 over to one's side when it moves, and this also helps the increase of the volume (size of drop state) of oily 38A.
And at this moment, the cohesion, the liquefaction that are in mist of oil are promoted effectively, thus the tendency that convex surface 35 is covered by oil.Therefore; Conscientiously caught by the oily 38a on this convex surface 35 with the mist of oil in the seepage gas of convex surface 35 collision; It is big that the oily 38a volume that not only thereupon on this convex surface 35, moves further becomes; And, accelerate and be attached to the integrated of mist of oil on the convex surface 35, oil through the increase that increases the travelling speed that causes based on this volume.
Therefore, in convex surface 35, from seepage gas, separate mist of oil, this mist of oil is transformed into the oil that shows flowability rapidly.
Afterwards, concentrate on the nethermost oily 38A of above-mentioned convex surface 35, from front end continuous and concentrated area release (with reference to the arrow Fig. 4) of this baffle portion 15 to the baffle portion 8 front end upper surfaces of lower floor based on the inclination of baffle portion 15, the pressing force of seepage gas etc.Therefore, at baffle portion 8 front end upper surfaces, the continuity of oil is enhanced and forms the Continuous Flow of oil, and this oily Continuous Flow receives the guiding function that the inclination based on baffle portion 8,14 causes, is directed to oily exhaust port 12 conscientiously and rapidly.
In addition; In oil distributor structure 2; If collide at the convex surface 35 of the circuitous seepage gas of the front end of baffle portion 8 with baffle portion 15; Then like Fig. 8, shown in Figure 10, the air-flow of this seepage gas not only becomes the general circuitous air-flow F0 towards the front end of baffle portion 15, and becomes based on the shape of convex surface 35 and the air-flow F1 of branch, the F2 of left and right sides branch.This each air-flow F1 of branch, F2 are after the front end of baffle portion 15 is circuitous; On the left and right sides of PCV valve 32, rise and at first with the upper wall portions 27 internal surfaces collision of cover portion 13, thereby the air-flow F1 of branch, the F2 that suppress about this directly discharge to inlet manifold via the PCV valve.Therefore, upper wall portions 27 also can be used as baffle portion, can improve the usefulness of from seepage gas, separating mist of oil.
In the case, if the cohesion of mist of oil, liquefaction go down in upper wall portions 27 development of cover portion 13, then oil base is in gravity fall to baffle portion on 15 the upper surface.Drop under the situation in the concave surface 36 at this oil 38a, as shown in Figure 9, this oil 38a, condenses each other in this bottom and becomes big oily 38A to its bottom moving along concave surface 36.Certainly in this case, when oily 38a moved, oily 38a also condensed each other, liquefies, and this also helps the volume of oily 38A to increase.Therefore, on concave surface 36, also can be transformed into the oil that shows flowability rapidly.
Concentrate on the inclination of the nethermost oily 38A of this concave surface 36 based on baffle portion 15; From of the front end upper surface output of this baffle portion 15 (concave surface 36) front end to baffle portion 8; And this moment; Append from the oil of the front end output of the convex surface 35 of baffle portion 15 at the oil from the output of the front end of this concave surface 36, oily output quantity increases.Therefore, at the front end upper surface of baffle portion 8, the continuity of oil further improves, and can carry out the discharge of oil and the oily discharge capacity of increase time per unit rapidly.
At this moment; Even the oil that falls from upper wall portions 27 does not directly get in the concave surface 36; If oil is that benchmark falls to a high side (length direction one distolateral (left side among Fig. 3) of hydraulic cylinder) with the concave surface among baffle portion 15 upper surfaces 36, then utilize its inclination, this oil is directed to concave surface 36.Therefore, can increase the oil mass that gets in the concave surface 36,, can make in the above-mentioned functions of above-mentioned concave surface 36 and bring into play effectively through getting into increasing of oil mass in this concave surface 36 with simple structure.
In addition, in the case, concave surface 36, especially the bottom of concave surface 36 (minimum altitude part) be positioned at the lower zone of PCV valve 32, therefore as shown in Figure 9, these both 32, the interval L between 36 compares with the situation that does not form concave surface 36 and prolonged more longways.Therefore, the situation that even in concave surface 36, have oily 38a, 38A, also can suppress should oil 38a, 38A discharges to inlet manifold (omitting diagram) via PCV valve 32.
More than mode of execution is illustrated, but the utility model comprises following mode.
(1) lower surface in baffle portion 15 forms convex surface 35, and the surface does not form concave surface 36 above that.
(2) on the baffle portion 8,14 beyond the baffle portion 15, suitably form convex surface 35 etc.
(3) lower surface of each baffle portion 8,14,15 is in the approximate horizontal state.
(4) as convex surface 35, concave surface 36, be not limited to flexure plane, can use wedge-like (cross section V word shape), the front end of wedge-like is made smooth suitable shapes such as shape.
(5) lower surface of the baffle portion in hydraulic cylinder 18 is provided with convex surface 35.
(6) as the oil separator unit; Inner bottom part in cover portion 13; As baffle portion, be arranged alternately long baffle portion of overhang (when cover portion 13 being installed on the hydraulic cylinder sidewall 1a, front end arrives the structure of the sidewall of hydraulic cylinder 1) and the short baffle portion of overhang; Wherein, the baffle portion that overhang is long is employed in the structure that its terminal side forms the opening that is communicated with up and down.Thus, even only be provided with under the situation of baffle portion, can make seepage gas become tortuous air-flow through utilizing opening in cover portion 13.
Thereby, in the above-described embodiment, the structure of baffle portion 8 (with the parts of hydraulic cylinder 1 split) will be set integratedly on the adjustment board of giving prominence to from cover portion 13 16, use as a baffle portion.
In addition, the purpose of the utility model is not limited to the content of above-mentioned record, and also comprising provides and the corresponding structure of structure preferred in fact or that put down in writing as advantage.
Claims (11)
1. an oil separator unit is installed on the sidewall of hydraulic cylinder, and is configured for the oil distributor structure of separating oil, it is characterized in that,
Possess: have recess in inside, and on being installed on the sidewall of above-mentioned hydraulic cylinder the time, form the cap assembly of enclosed space with the sidewall cooperation of this hydraulic cylinder; And
Outstanding and be provided with from the inner bottom part of above-mentioned cap assembly with configuration relation up and down, and the seepage gas that the lower side in this enclosed space is imported is tortuous flow in to above a plurality of baffle plates of side flow,
Among the outstanding a plurality of baffle plates of the inner bottom part of above-mentioned cap assembly, on the lower surface of at least one baffle plate, be formed with at the outstanding downwards convex surface of the collision area of above-mentioned seepage gas.
2. oil separator according to claim 1 unit is characterized in that,
Above-mentioned convex surface has the structure to the projected direction front end extension of above-mentioned baffle plate.
3. oil separator according to claim 2 unit is characterized in that,
From the upper surface at least of each outstanding baffle plate of the inner bottom part of above-mentioned cap assembly with along with the terminal side from this each baffle plate tilts towards the mode of forward end step-down.
4. oil separator according to claim 3 unit is characterized in that,
Have among the upper surface of baffle plate of above-mentioned convex surface,, be formed with corresponding and the concave surface of withdrawal downwards with this convex surface at the upper area of this convex surface.
5. oil separator according to claim 4 unit is characterized in that,
Baffle plate with above-mentioned convex surface and concave surface is a benchmark with this convex surface and this concave surface, with about the side mode higher than opposite side tilt.
6. oil separator according to claim 2 unit is characterized in that,
Upper wall portions at above-mentioned cap assembly is formed with the gas stream outlet,
Baffle arrange-ment with above-mentioned convex surface becomes with the upper wall portions of above-mentioned cap assembly directly to be faced relatively,
Above-mentioned convex surface is configured to the lower zone through the above-mentioned gas outflow opening.
7. oil separator according to claim 6 unit is characterized in that,
Have among the upper surface of baffle plate of above-mentioned convex surface,, be formed with corresponding and the concave surface of withdrawal downwards with this convex surface at the upper area of this convex surface.
8. oil separator according to claim 1 unit is characterized in that,
Among above-mentioned a plurality of baffle plate, neighbouring baffle plate is provided with as follows, in the time of on the sidewall that above-mentioned cap assembly is installed in above-mentioned hydraulic cylinder, from the outstanding baffle plate of the sidewall of this hydraulic cylinder between this neighbouring baffle plate.
9. oil separator according to claim 8 unit is characterized in that,
Have the upside of the baffle arrange-ment of above-mentioned convex surface at the baffle plate of giving prominence to from the sidewall of above-mentioned hydraulic cylinder,
At the downside of baffle plate with above-mentioned convex surface, with the baffle plate with this convex surface directly relative mode be provided with the adjustment plate,
Above-mentioned adjustment plate is configured to and from the outstanding baffle plate cooperation of above-mentioned hydraulic cylinder sidewall above-mentioned enclosed space is separated up and down,
On above-mentioned adjustment plate,, be formed with the opening of up/down perforation in the zone of facing with above-mentioned convex surface.
10. oil separator according to claim 1 unit is characterized in that,
In the upper wall portions of above-mentioned cap assembly, be formed with the gas stream outlet that is used to install the PCV valve that is connected with gas handling system.
11. oil distributor structure; Mounting cup parts on the sidewall of hydraulic cylinder; Sidewall by this hydraulic cylinder forms enclosed space with this cap assembly, offers the gas inflow entrance that is used to import seepage gas in the bottom of this enclosed space, offers on the top of this enclosed space to be used to discharge the gas stream outlet that oil separates the processing end gas after handling; Between above-mentioned gas inflow entrance and above-mentioned gas outflow opening, set a plurality of baffle plates with configuration relation up and down; Utilize these a plurality of baffle plates that the seepage gas that imports from the above-mentioned gas inflow entrance is flowed to above-mentioned gas stream outlet circuitously, above-mentioned oil distributor structure is characterised in that
On at least one lower surface of above-mentioned baffle plate,, be formed with outstanding convex surface downwards at the collision area of above-mentioned seepage gas.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010239953A JP5632706B2 (en) | 2010-10-26 | 2010-10-26 | Oil separator unit and oil separator structure |
| JP2010-239953 | 2010-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202431330U true CN202431330U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204267723U Expired - Lifetime CN202431330U (en) | 2010-10-26 | 2011-10-25 | Oil separator unit and oil separator structure |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5632706B2 (en) |
| CN (1) | CN202431330U (en) |
| MX (1) | MX2013004695A (en) |
| WO (1) | WO2012057203A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6331923B2 (en) | 2014-09-24 | 2018-05-30 | スズキ株式会社 | Oil separation structure of internal combustion engine |
| JP6413546B2 (en) * | 2014-09-24 | 2018-10-31 | スズキ株式会社 | Oil separation structure of internal combustion engine |
| JP2016113998A (en) * | 2014-12-17 | 2016-06-23 | アイシン精機株式会社 | Internal combustion engine and separator for internal combustion engine |
| JP2016113997A (en) * | 2014-12-17 | 2016-06-23 | アイシン精機株式会社 | Internal combustion engine and separator for internal combustion engine |
| JP6537489B2 (en) * | 2016-12-20 | 2019-07-03 | 小島プレス工業株式会社 | Oil separator |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59179215U (en) * | 1983-05-18 | 1984-11-30 | 富士重工業株式会社 | Blow-by gas reduction equipment |
| JPS60175810U (en) * | 1984-04-28 | 1985-11-21 | 日産ディーゼル工業株式会社 | Blow-by gas treatment equipment for internal combustion engines |
| JPH0113780Y2 (en) * | 1984-08-29 | 1989-04-24 | ||
| JPH0113777Y2 (en) * | 1985-03-29 | 1989-04-24 | ||
| JPH0631125Y2 (en) * | 1988-05-17 | 1994-08-22 | トヨタ自動車株式会社 | PCV room for internal combustion engine |
| JPH0235912U (en) * | 1988-08-26 | 1990-03-08 | ||
| JPH02127721U (en) * | 1989-03-30 | 1990-10-22 | ||
| JPH0741857Y2 (en) * | 1989-05-10 | 1995-09-27 | いすゞ自動車株式会社 | Cylinder head cover straightening device |
| JP2888383B2 (en) * | 1991-05-17 | 1999-05-10 | ヤマハ発動機株式会社 | Breather chamber arrangement structure of internal combustion engine |
| JPH08270430A (en) * | 1995-03-30 | 1996-10-15 | Nissan Motor Co Ltd | Oil separator structure for internal combustion engine |
| JPH1026012A (en) * | 1996-07-10 | 1998-01-27 | Hino Motors Ltd | Oil separator for engine |
| JP3932794B2 (en) * | 2000-09-29 | 2007-06-20 | マツダ株式会社 | Engine oil separator structure |
| JP4249504B2 (en) * | 2003-02-17 | 2009-04-02 | マツダ株式会社 | Oil separator structure and oil separator unit |
| JP2005023824A (en) * | 2003-07-01 | 2005-01-27 | Uchihama Kasei Kk | Oil mist collection device |
| JP2006070766A (en) * | 2004-09-01 | 2006-03-16 | Toyota Motor Corp | Blowby gas reducing device |
| JP5082762B2 (en) * | 2007-10-24 | 2012-11-28 | トヨタ紡織株式会社 | Separator |
| JP2009127566A (en) * | 2007-11-26 | 2009-06-11 | Toyota Boshoku Corp | Oil tank |
| JP5374889B2 (en) * | 2008-03-05 | 2013-12-25 | マツダ株式会社 | Engine blow-by gas recirculation system |
| JP4952948B2 (en) * | 2008-03-05 | 2012-06-13 | マツダ株式会社 | Engine blow-by gas recirculation system |
| JP5159550B2 (en) * | 2008-10-08 | 2013-03-06 | ダイハツ工業株式会社 | Blowby gas recirculation device for internal combustion engine |
| US8047186B2 (en) * | 2008-11-24 | 2011-11-01 | Toyota Motor Engineering & Manufacturing North America, Inc. | Oil separator |
-
2010
- 2010-10-26 JP JP2010239953A patent/JP5632706B2/en active Active
-
2011
- 2011-10-25 CN CN2011204267723U patent/CN202431330U/en not_active Expired - Lifetime
- 2011-10-26 WO PCT/JP2011/074668 patent/WO2012057203A1/en active Application Filing
- 2011-10-26 MX MX2013004695A patent/MX2013004695A/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| MX2013004695A (en) | 2013-09-26 |
| JP5632706B2 (en) | 2014-11-26 |
| JP2012092729A (en) | 2012-05-17 |
| WO2012057203A1 (en) | 2012-05-03 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20120912 |