CN206175027U - Diesel engine oil bottom shell vapor recovery system device - Google Patents

Abstract

The utility model discloses a diesel engine oil bottom shell vapor recovery system device, including setting up at this internal crankcase of diesel engine, the crankcase bottom is equipped with the oil pan, be equipped with the permeability cell on the oil pan, the permeability cell includes the connecting pipe with oily bottom shell connected, the oil pan was kept away from to the connecting pipe one end be equipped with with connecting pipe vertically extension, the one end slope that the connecting pipe was kept away from to the extension is equipped with puts the pipe to one side, it is equipped with the vertical ventilation pipe that extends up to put tub one end of keeping away from the extension to one side, the ventilation pipe is kept away from the one end of putting the pipe to one side and is connected fixedly with back -fire relief breathable cap, between connecting pipe and the extension, extension and putting to one side between the pipe, put to one side all to be connected through detachable linking means between pipe and the ventilation pipe and fix.

Description

Diesel engine oil pan device for recovering oil and gas

Technical field

This utility model is related to diesel engine body accessory field, more particularly to a kind of diesel engine oil pan petroleum vapor recovery dress Put.

Background technology

Diesel engine is burning diesel oil obtaining exergonic electromotor, bent in the course of work of Diesel engine Substantial amounts of gas can be produced in axle box, thus it is general arrange on the oil sump of crankcase one communicate with crankcase breathe freely Pipe, it is therefore an objective to keep the pressure of crankcase as atmospheric pressure, so as to be conducive to the lubrication of each parts in diesel engine body, And crankcase can be made to communicate with air, and the excessive air pressure in crankcase is drained.

But, generally all it is random to realize permeability cell and oil sump in order to easy to process in general diesel engine body Between connection, it is believed that as long as reach ventilative purpose just can be with；But, while permeability cell reaches ventilative, fluid also can As gas is together discharged outside machine, so as to not only cause the waste of fluid, the pollution of air is will also result in.

Utility model content

The purpose of this utility model is to provide a kind of diesel engine oil pan device for recovering oil and gas, has an advantage in that, Ke Yi While permeability cell realizes ventilative, the wasting phenomenon of more fluid is not resulted in.

Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of diesel engine oil bottom Shell device for recovering oil and gas, including the crankcase being arranged in diesel engine body, the crankcase bottom is provided with oil sump, the oil Drain pan is provided with permeability cell, and the permeability cell includes the connecting tube being connected with oil sump, the connecting tube away from oil sump one End is provided with the extension vertical with connecting tube, and the extension is inclined away from one end of connecting tube and is provided with tilting pipe, described tilting Pipe is provided with the ventilation duct for vertically extending upward away from one end of extension, and the ventilation duct is saturating with back-fire relief away from one end of tilting pipe Gas cap is connected, and leads between the connecting tube and extension, between extension and tilting pipe, between tilting pipe and ventilation duct Cross detachable connecting device to be connected.

By adopting above-mentioned technical proposal, when the oil gas in crankcase under the effect of the pressure, along connecting tube enter extend In pipe, when oil gas touches tilting pipe, the ascending motion direction of oil gas changes, the air pressure in oil gas can with even The connected tilting pipe of adapter continues to rise, and when now the fluid in oil gas encounters the junction of connecting tube and tilting pipe, by nothing Method continues to rise and can downwards slide along tilting pipe and connecting tube to flow back in crankcase, realizes Oil-gas Separation, it is possible to realize The backflow of fluid, such that it is able to save a certain amount of fluid.

This utility model is further arranged：The detachable connecting device includes being separately positioned on connecting tube, extension, tiltedly Put pipe and the lower ring-type at ventilation duct upper end outer circumferential side extends disk, the connecting tube, extension, tilting pipe and ventilation duct lower end Circumferential periphery at be equipped with upper annular and extend disk, the upper annular extends disk and lower ring-type extends circumference array on disk and is provided with Multiple grooves for communicating, are plugged with connector in the groove, the connector is compressed with the inwall of groove and contradicted.

By adopting above-mentioned technical proposal, when connecting tube, extension, tilting pipe and ventilation duct are attached two-by-two, on Ring-type extends disk and lower ring-type and extends disk and mutually coincides conflicts, and so that groove is mutually corresponded to, afterwards enters connector inlay card Between two grooves, connector is compressed with the inwall of groove and contradicted simultaneously in two grooves, under this conflict power effect, it is possible to achieve Upper annular extends the connection that disk and lower ring-type extend between disk, simple structure and attended operation convenience.

This utility model is further arranged：The connector includes part body and gib head, and the part body is contradicted with groove inwall, The lower surface of the gib head extends disk upper surface and contradicts with upper annular, and the groove inwall is provided with some rail grooves, the part The connection sliding of body lower rotation is embedded in the ball in rail groove.

By adopting above-mentioned technical proposal, in the presence of ball, connector can be caused when grafting enters in two grooves, It is more smooth, and part equally compresses conflict in groove with the medial wall of groove, and at the same time, gib head prolongs with upper annular Stretching panel surface also can contradict, so as to still can ensure that upper annular extends disk and lower ring-type extends the connection between disk and consolidates It is fixed.

This utility model is further arranged：The gib head is provided with locking mechanism, and the locking mechanism includes rotating setting Extend rotating bar of the disk at connector in upper annular, the rotating bar is fixed with pressure away from one end that upper annular extends disk Tight plate, the pressure strip is away from one end of gib head and the one side near upper annular extension disk is provided with resilient pressure pad, when pressure strip turns When moving to gib head top, resilient pressure pad is contradicted with gib head.

By adopting above-mentioned technical proposal, locking mechanism is added, can be worked as after connector grafting enters in groove so that even Grafting of the fitting in groove is more fastened, that is, rotate rotating bar so that pressure strip can with concomitant rotation, when pressure strip gradually During turning to gib head top, resilient pressure pad is contradicted with gib head, and under the metamorphosiss of resilient pressure pad, it is possible to achieve pressure Tight plate is rotated further, and causes the conflict completely of resilient pressure pad and gib head, now, you can to apply certain pressure to connector Power, under this pressure effect, can cause connection of the connector in groove more firm.

This utility model is further arranged：Two sides of the resilient pressure pad and gib head are equipped with circular arc chamfering.

By adopting above-mentioned technical proposal, when resilient pressure pad under the rotation of rotating bar gradually with gib head upper surface contradict During, circular arc chamfering can cause resilient pressure pad more smoothly to slip over the side of gib head and the compression on realization and gib head surface Contradict, so that locking work of the locking mechanism to connector more smoothly facilitates.

This utility model is further arranged：The gib head surface is provided with arc groove, and the resilient pressure pad is provided with and circle The dome that arc fluting coordinates.

By adopting above-mentioned technical proposal, when resilient pressure pad is gradually supported completely with gib head upper surface under the rotation of rotating bar In tactile process, after dome is set in arc groove, you can to realize that both compressions completely are contradicted, such that it is able to or else Need to pay close attention at any time under the situation of movement of pressure strip, it is possible to more easily smoothly realize that resilient pressure pad is compressed with gib head surface Work.

In sum, this utility model has the advantages that：

There is the function of oil-water separation when the 1st, can realize that oil gas is discharged in permeability cell by simple structure, so as to The fluid of a part can be saved；

2nd, the assembly and disassembly between pipeline can be realized by simple structure；

3rd, cause the process enhanced convenience assembled and disassembled easily by various structures and be connected firmly.

Description of the drawings

Fig. 1 is the structural representation of embodiment 1；

Fig. 2 is the enlarged drawing of part A in Fig. 1；

Fig. 3 is the structural representation of embodiment 2；

Fig. 4 is the enlarged drawing of part B in Fig. 3；

Fig. 5 is the structural representation of embodiment 3；

Fig. 6 is the enlarged drawing of C portion in Fig. 5.

In figure：1st, diesel engine body；11st, crankcase；12nd, oil sump；21st, connecting tube；22nd, extension；23rd, tilting pipe； 24th, ventilation duct；3rd, back-fire relief Ventilated cap；4th, detachable connecting device；41st, upper annular extends disk；42nd, lower ring-type extends disk；43rd, lead to Groove；44th, connector；441st, part body；442nd, gib head；45th, rail groove；46th, ball 51, rotating bar；52nd, pressure strip；53rd, elasticity pressure Pad；54th, circular arc chamfering；55th, arc groove；56th, dome.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment 1：Diesel engine oil pan device for recovering oil and gas, as illustrated in fig. 1 and 2, including diesel engine body 1, diesel engine The bottom of body 1 is provided with crankcase 11, and the bottom of crankcase 11 realizes the closing of crankcase 11 by oil sump 12, in oil sump 12 bottom is provided with so that the permeability cell that communicates with air of crankcase 11.

Diesel engine is that the compression to air will be carried out after the suction in vivo of pure air, and while by Jing after injection pump with height The diesel oil of pressure is entered in cylinder body by fuel injector, combustion mixture can be formed after mixing with the air of compression, due to now The pressure of air is high, substantially exceeds the natural temperature of diesel oil, thus after diesel oil is injected into cylinder in a short period of time with Air mixing will self-burning immediately, cause air pressure and temperature in cylinder rapidly to rise, gases at high pressure are formed, in this high pressure Under gas push, piston movement in diesel engine simultaneously drives crank rotation to do manual work, so as to realize that power is transmitted.

Because in this course of work, the gas in cylinder always leaks in the crankcase 11 for communicating therewith, now unavoidably The gas pressure in crankcase 11 can be caused to raise, cause outside lubricating oil leakage at crankcase 11 and the composition surface of oil sump 12, in order to This phenomenon is avoided, is now badly in need of discharging the air pressure in crankcase 11, so one is provided with oil sump 12 can be with The permeability cell communicated with air, so that air pressure can be discharged from permeability cell.

As illustrated in fig. 1 and 2, during the gases at high pressure in crankcase 11 are discharged along exhaustor, these gases To mix the oil gas of fluid, in order to not result in a large amount of wastes of fluid, permeability cell is now configured with the state of gradient, I.e. permeability cell can be made up of the pipeline of various different shapes, and including with oil sump 12 connecting tube 21 that communicates is directly connected to, and Extension 22 is provided with away from one end of oil sump 12 in connecting tube 21, extension 22 is set to and plane perpendicular state；Extending Pipe 22 is provided with tilting pipe 23 away from one end of connecting tube 21, and the tilting pipe 23 is has certain inclination between extension 22 The annexation of angle, the angle is more than 15 degree；It is provided with ventilation away from one end of extension 22 in tilting pipe 23 afterwards Pipe 24, the ventilation duct 24 is also to be connected with plane perpendicular state；Finally, the one end in ventilation duct 24 away from tilting pipe 23 and back-fire relief Ventilated cap 3 is connected, the safety overall to improve diesel engine.

As illustrated in fig. 1 and 2, connecting tube 21 away between one end of oil sump 12 and one end of extension 22, extension 22 One end away from connecting tube 21 and between one end of tilting pipe 23, the one end and ventilation duct 24 of tilting pipe 23 away from connecting tube 21 Realize being connected by detachable connecting device 4 between one end, detachable connecting device 4 includes being arranged on connecting tube 21st, the lower ring-type on extension 22, tilting pipe 23 and the upper end outer circumferential side of ventilation duct 24 extends disk 42, and is arranged on connecting tube 21st, the upper annular on extension 22, tilting pipe 23 and the lower end circumferential periphery of ventilation duct 24 extends disk 41, and in upper annular disk 41 is extended Extend circumference array on disk 42 with lower ring-type and be provided with the consistent groove 43 of multiple communicating and shape big, in groove 43 It is plugged with connector 44.

Specific embodiment：Above-mentioned connecting tube 21, extension 22, tilting pipe 23 and ventilation duct 24 are gradually attached, While connection, each mouth of pipe of connecting tube 21, extension 22, tilting pipe 23 and ventilation duct 24 is connected, upper annular Extend disk 41 and lower ring-type and extend disk 42 and contact with each other coincidences, and the groove 43 on two ring-types extension disk is also weighed in correspondence with each other Close, afterwards, the grafting of connector 44 is entered in two grooves 43 so that the lateral wall of connector 44 contradicts with the medial wall of groove 43 Compress, the connector 44 under this kind of state produces larger frictional force between meeting and the inwall of groove 43, in this frictional force effect Down so that grafting enters the static fixation that the connector 44 in groove 43 is maintained in groove 43, also ensure that upper annular extends Disk 41 and lower ring-type extend being connected between disk 42, now, using this kind of mode the connection between pipeline can be realized It is fixed；When needing to realize the fractionation between pipeline, only connector 44 need to be extracted from groove 43；Simple structure, and It is convenient to mount and dismount.

It is solid when being realized by detachable connecting device 4 between connecting tube 21, extension 22, tilting pipe 23 and ventilation duct 24 After fixed connection, you can unobstructed with the connection of crankcase 11 to ensure, now the high-pressure oil gas in crankcase 11 are first by connection Pipe 21 is entered in extension 22, and continues to rise along extension 22 under stress, due to the pressure in now extension 22 also compared with Greatly, so the extension 22 of setting perpendicular to the ground can cause the more unobstructed smooth of oil gas rising；When oil gas rises to Behind the junction of extension 22 and tilting pipe 23, due to incline connection, i.e., now changing between tilting pipe 23 and extension 22 Become the direction of the ascending track of oil gas, the now suffered pressure of oil gas is gradually reduced, now oil gas under pressure with This junction contradicts, and because fluid has stickiness, under here conflict effect, it will cause a part of fluid in oil gas to stick On the tube wall of tilting pipe 23 and the connection of extension 22, and now the gas in oil gas due to less quality, even if It has been contradicted with tilting pipe 23 with the tube wall of the junction of extension 22, but under pressure, still can be raised above, Now realize the work of Oil-gas Separation.

Afterwards, the oil gas that some fluid has been isolated continues to be gradually increasing along the direction of tilting pipe 23, is rising to tiltedly After putting the junction of pipe 23 and ventilation duct 24, oil gas is contradicted again with the junction of tilting pipe 23 and ventilation duct 24, now again The fluid of some is separated from oil gas and is sticky on tube wall of the tilting pipe 23 with the junction of ventilation duct 24；This kind of profit Oil-gas Separation is realized with the light characteristic of the viscous glutinous characteristic and gas weight of fluid itself, when substantial amounts of oil gas is from connecting tube 21 During ventilation duct 24 being finally entered into extension 22, tilting pipe 23, it will have more fluid to be sticky in tilting pipe 23 On the tube wall being connected with ventilation duct 24 with extension 22, tilting pipe 23, so as to the volume and weight that will result in fluid gradually increases Greatly, it is possible to drop back into crankcase 11 along tube wall, that is, the phenomenon of fluid backflow is realized；Now can be so that the oil of a part Liquid will not be discharged crankcase 11, reduce the phenomenon of fluid waste, and can also reduce dirt when oil gas is discharged to air Dye situation.

In the present embodiment, can continue to be connected with a tilting pipe 23 away from one end of tilting pipe 23 in ventilation duct 24, Can continue to access ventilation duct 24 again after the connecting tube 21, such setting can be so that oil gas be in permeability cell Rise exhaust process can have an opportunity through repeatedly with ventilative inside pipe wall contradict collision phenomenon, so as to the fluid in oil gas it is gentle Body is preferably realized separating.

In the present embodiment, due to being finally by even between connecting tube 21, extension 22, tilting pipe 23 and ventilation duct 24 The grafting of fitting 44 enters upper annular and extends what realization in the groove 43 that disk 41 and lower ring-type extend between disk 42 was connected, so right Compressing in conflict of the connector 44 in groove 43 and the wall of groove 43 between has higher requirement, also implies that connector 44 With gap very little between groove 43 after in the insertion groove 43, this will also result in the grafting of connector 44 and enters in groove 43 and from leading to The course of work taken out in groove 43 is required for by instrument realization, such as iron hammer etc.；So now when connector 44 enters in grafting After in groove 43, its top and bottom is respectively provided with the prolongation for extending to outside, can be by instrument in order to operator To realize connector 44 being knocked in groove 43, or the work that connector 44 is knocked out from groove 43.

Embodiment 2：Diesel engine oil pan device for recovering oil and gas, be with the difference of embodiment 1, such as the institutes of Fig. 3 and 4 Show, connector 44 is made up of part body 441 and the two parts of gib head 442, in order that connector 44 grafting enter in groove 43 or from The process taken out in groove 43 more smoothly facilitates, so now have circular groove respectively under the two sides of part body 441 are on, A pitman is fixedly installed in circular groove, and a ball 46 has been concatenated in circular groove on pitman, at the same time existed The rail groove 45 that twice are interconnected is provided with groove 43；During the grafting of connector 44 is entered in groove 43, ball 46 directly can enter line slip along rail groove 45, can be by the whole static friction relations between part body 441 and groove 43 Point be changed into rolling friction so that connector 44 more smoothly grafting enters in groove 43, and when the grafting of connector 44 After entering in groove 43, the circumferential lateral surface of part body 441 still can be with the inner circumferential side wall and pressure of groove 43 tight against touching, and gib head 442 Bottom surface also can extend the upper surface of disk 41 and contradict with upper annular, to ensure connectivity robustness of the connector 44 in groove 43.

Embodiment 3：Diesel engine oil pan device for recovering oil and gas, be with the difference of embodiment 2, such as the institutes of Fig. 5 and 6 Show, in order to ensure enough firm of grafting of the connector 44 in groove 43 and will not easily rock, now extend in upper annular Being provided with groove 43 on disk 41 can be to the locking mechanism of the compression of connector 44；The locking mechanism includes being arranged on ring Shape extends the open tubular column on disk 41, and rotating bar 51 is rotatably connected in open tubular column, and rotating bar 51 is arranged away from one end of open tubular column There is pressure strip 52, pressure strip 52 is provided with resilient pressure pad 53 near the one side that upper annular extends disk 41；Also, lean in resilient pressure pad 53 Nearly middle part is provided with dome 56, and the circular arc of the cooperation of a dome 56 is provided with middle part in the upper surface of gib head 442 Groove 55；At the same time, it is equipped with circular arc chamfering 54 on resilient pressure pad 53 and gib head 442 two inclines along its length.

Specific embodiment：After the grafting of connector 44 enters in groove 43, rotating bar 51 is rotated, and drive turning for pressure strip It is dynamic, move closer at gib head 442, and under being rotated further of rotating bar 51 when pressure strip is turned to, pressure strip 52 can gradually turn Move to the surface of gib head 442, and in the process, resilient pressure pad 53 is contradicted with gib head 442, under this conflict power effect, bullet Property the compressive deformation of pressure pad 53, be now rotated further rotating bar 51, resilient pressure pad 53 i.e. can under rotary action gradually increase with The conflict area of the upper surface of gib head 442, just can stop operating rotating bar 51 when dome 56 and arc groove 55 are set, due to Dome 56 is separately positioned on the middle part of pressure strip 52 and gib head 442 with arc groove 55, now resilient pressure pad 53 and gib head The conflict area of 442 parts is maximum；And after dome 56 is set in arcuation groove, can be with further such that resilient pressure pad 53 With the conflict between gib head 442 firmly, will not be due to shaking conflict area of the external force element resilient pressure pad 53 from circular arc gib head 442 Reduce；Now resilient pressure pad 53 is contradicted with the compression of gib head 442, both can be with further such that company of the connector 44 in groove 43 Connect firm, rotary shaft is not easily rotated further.

And the structure of circular arc chamfering 54 can work as resilient pressure pad 53 when just contacting with gib head 442, circle between the two Cambered surface can be rotated with convenient resilient pressure pad 53 and slipped on gib head 442, more smoothly realize being supported with the compression of gib head 442 Touch.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but As long as all being protected by Patent Law in right of the present utility model.

Claims (6)

1. a kind of diesel engine oil pan device for recovering oil and gas, described including the crankcase (11) being arranged in diesel engine body (1) Crankcase (11) bottom is provided with oil sump (12), and the oil sump (12) is provided with permeability cell, it is characterised in that：The permeability cell Including the connecting tube (21) being connected with oil sump (12), the connecting tube (21) is provided with and is connected away from one end of oil sump (12) The vertical extension (22) of pipe (21), the extension (22) inclines away from one end of connecting tube (21) and is provided with tilting pipe (23), The tilting pipe (23) is provided with the ventilation duct (24) for vertically extending upward, the ventilation duct (24) away from one end of extension (22) It is connected away from one end and back-fire relief Ventilated cap (3) of tilting pipe (23), between the connecting tube (21) and extension (22), prolongs Stretch and connected by detachable connecting device (4) between pipe (22) and tilting pipe (23), between tilting pipe (23) and ventilation duct (24) Connect fixation.

2. a kind of diesel engine oil pan device for recovering oil and gas according to claim 1, it is characterised in that：It is described detachably to connect Connection device (4) is including being separately positioned on connecting tube (21), extension (22), tilting pipe (23) and ventilation duct (24) upper end outer circumferential Lower ring-type at side extends disk (42), the connecting tube (21), extension (22), tilting pipe (23) and ventilation duct (24) lower end Upper annular is equipped with circumferential periphery and extends disk (41), the upper annular extends justifies in disk (41) and lower ring-type extension disk (42) All arrays are provided with multiple grooves (43) for communicating, and are plugged with connector (44) in the groove (43), the connector (44) with The inwall of groove (43) is compressed and contradicted.

3. a kind of diesel engine oil pan device for recovering oil and gas according to claim 2, it is characterised in that：The connector (44) including part body (441) and gib head (442), the part body (441) contradicts with groove (43) inwall, the gib head (442) Lower surface extends disk (41) upper surface and contradicts with upper annular, and groove (43) inwall is provided with some rail grooves (45), described The connection sliding of part body (441) lower rotation is embedded in the ball in rail groove (45)（46）.

4. a kind of diesel engine oil pan device for recovering oil and gas according to claim 3, it is characterised in that：The gib head (442) locking mechanism is provided with, the locking mechanism includes that being rotatably arranged on upper annular extends disk (41) near connector (44) The rotating bar at place（51）, the rotating bar（51）The one end for extending disk (41) away from upper annular is fixed with pressure strip（52）, institute State pressure strip（52）The one side that one end and close upper annular away from gib head (442) extends disk (41) is provided with resilient pressure pad（53）, Work as pressure strip（52）When turning to gib head (442) top, resilient pressure pad（53）Contradict with gib head (442).

5. a kind of diesel engine oil pan device for recovering oil and gas according to claim 4, it is characterised in that：The resilient pressure pad （53）Circular arc chamfering is equipped with two inclines along its length of gib head (442)（54）.

6. a kind of diesel engine oil pan device for recovering oil and gas according to claim 5, it is characterised in that：The gib head (442) surface is provided with arc groove（55）, the resilient pressure pad（53）It is provided with and arc groove（55）The dome of cooperation（56）.