Oil sump and motor
Technical field
The utility model relates to vehicle motor component technical field, particularly, relates to a kind of engine sump tank.
Background technique
The main function of engine sump tank is storage machine oil and closed crankcase.During automobile work, drunk up by machine oil by oil pump from oil sump, with certain pressure feed engine cylinder-body and cylinder cap lubrication, the machine oil after lubrication gets back to oil sump by back oil road, and therefore oil sump is one of indispensable part of motor.Due to the maximum thin-wall part that oil sump is motor, therefore, in the process that motor runs, it is the significant contributor of engine noise.Existing oil sump mostly is steel plate punched structure or is simple aluminium alloy compression casting structure, and structure is simple, and large plane is more, can not promote oil circulation, and oil sump vibration noise is high, has a strong impact on the travelling comfort taken advantage of and drive.
Model utility content
An object of the present utility model is to provide a kind of oil sump, and this oil sump can reduce the noise that oil sump produces, and is beneficial to engine oil flow smooth and easy.
Another object of the present utility model is to provide a kind of motor, and this motor comprises the oil sump that the utility model provides.
To achieve these goals, according to an aspect of the present utility model, a kind of oil sump is provided, this oil sump comprises diapire and sidewall, and this diapire and sidewall surround the cavity for storing machine oil, wherein, along the length direction of described oil sump, described diapire is formed as the first diapire, the second diapire and the 3rd diapire that connect successively, and described first diapire is higher than described 3rd diapire, and the height of described second diapire diminishes from described first diapire gradually to described 3rd diapire.
Preferably, described second diapire comprises the curved surface that multiple rounding off connects.
Preferably, described second diapire is formed as pinch plane.
Preferably, an outer side wall on the length direction of described oil sump is integrated with transmission mounting flange.
Preferably, the inside of described transmission mounting flange is longitudinally arranged at intervals with multiple first stiffening rib.
Preferably, the two ends of described first stiffening rib extend gradually towards intermediate altitude with reducing.
Preferably, relative with described transmission mounting flange madial wall is provided with multiple second stiffening rib.
Preferably, described 3rd diapire is integrated with liquid level sensor mounting flange, and the attachment face of this liquid level sensor mounting flange higher than described 3rd diapire with forming station terrace.
Preferably, along the length direction of described oil sump, the both sides, front and back of described liquid level sensor mounting flange are respectively arranged with the first baffle plate and second baffle.
According to another aspect of the present utility model, provide a kind of motor, this motor comprises the engine cylinder-body and oil sump that are assembled together, and wherein, described oil sump is according to oil sump described in the utility model.
Pass through technique scheme, three little diapires of the first diapire, the second diapire and the 3rd diapire are divided into by the diapire of the oil sump by tradition being large plane, improve rigidity, and sound wave can be made to overlap each other, weaken, to reduce the noise of oil sump, in addition the second diapire connecting described first diapire and the 3rd diapire is formed as inclined-plane, and the engine oil flow in oil sump can be made smooth and easy.
Other feature and advantage of the present utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of the oil sump that the utility model preferred implementation provides;
Fig. 2 is the top perspective schematic diagram of the oil sump that the utility model preferred implementation provides;
Fig. 3 is the partial cross structural representation intercepted along the line A-A in Fig. 1.
Description of reference numerals
10 diapire 11 first diapire 12 second diapires
120 curved surfaces 13 the 3rd diapire 14 bolt hole
15 chamfering 20 sidewalls
30 transmission mounting flange 31 first stiffening rib 32 second stiffening ribs
40 liquid level sensor mounting flange 41 first baffle plate 42 second baffles
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the situation that the noun of locality used typically refers to as " upper and lower, the end, top, short transverse, longitudinal direction " engine work provided with the utility model is undefined, and namely oil sump is positioned at the bottom of engine cylinder-body." inside and outside " refers to the interior and outer of corresponding part profile, " front and back " refer to the mounting point of relative transmission mounting flange, particularly, one end that a sidewall of oil sump length direction is integrated with transmission mounting flange is rear end, and the other end relative with transmission mounting flange is front end.
As shown in Figure 1, the utility model provides a kind of oil sump, this oil sump comprises diapire 10 and sidewall 20, this diapire 10 and sidewall 20 surround the cavity for storing machine oil, this cavity has various structure, as shown in Figure 1, this cavity is formed as having substantially rectangular cross section, but the utility model is not limited thereto.Wherein, along the length direction of described oil sump, described diapire 10 is formed as the first diapire 11, second diapire 12 of connecting successively and the 3rd diapire 13, described first diapire 11 is higher than described 3rd diapire 13, and the height of described second diapire 12 diminishes from this first diapire 11 gradually to the 3rd diapire 13.Namely the second diapire 12 plays transitional function, and it can be chamfered transition structure also can be surface blending structure or the combination of the two.In other words, diapire 10 is formed as two-stage hierarchic structure that the first diapire 11 and the 3rd diapire 13 form and by the second diapire 12 transition.
Therefore, be different from the diapire of large plane in prior art, the utility model is by being divided into three little diapires of the first diapire 11, second diapire 12 and the 3rd diapire 13 by the diapire 10 of oil sump, improve rigidity, and sound wave can be made to overlap each other, weaken, to reduce the noise of oil sump, in addition the height connecting the second diapire 12 of described first diapire 11 and the 3rd diapire 13 changes gradually, and the machine oil in oil sump can be made to flow to swimmingly the 3rd diapire 13 of lower from the first diapire 11 of eminence along the inclined-plane gradually changed or curved surface.
More smooth and easy for ease of engine oil flow, as the structural one of the second diapire 12 preferred embodiment, as depicted in figs. 1 and 2, described second diapire 12 comprises the curved surface 120 that multiple rounding off connects.The curved surface 120 that can connect along multiple rounding off when therefore machine oil flow to lower from eminence is smooth to be flow through, and the impact force that reason is not excessive, produces excessive noise.
Smooth and easy for ease of flowing oil, and improve the rigidity of oil sump further, in a further mode of operation, this second diapire 12 is formed as pinch plane, particularly, pinch plane refers to the set of the tangent plane that normal is identical and two different surface beeline intersection point lines, and in other words, pinch plane can regard in plane in two parallel lines one as with the vertical line of these two parallel lines for axle turns an angle the curved surface formed.That is, the second diapire 12 is the curved surface of a three-dimensional irregularity, and the height of the second diapire 12 diminishes gradually from the first diapire 11 to the three diapire 13.
Preferably, for increasing the functional integration of oil sump, as shown in Figure 2, an outer side wall on the length direction of this oil sump is integrated with transmission mounting flange 30, particularly, the transmission mounting flange 30 of oil sump ear end face is designed to semicircle, identical with the shape of transmission housing end face.Therefore, by increasing the transmission mounting flange 30 connecting oil sump and gearbox at oil sump ear end face, oil sump directly can be connected with transmission housing, reduce the backplate of motor and gearbox, reduce assembly process, reduce costs.In addition, additionally provide the rigidity of oil sump ear end face, reduce noise.
Further, for improving the rigidity of flange, as shown in Figure 2, the inside of this transmission mounting flange 30 is longitudinally arranged at intervals with multiple first stiffening rib 31, says the short transverse being noted that and longitudinally referring to oil sump.
Further, for keep required rigidity prerequisite under, reduce material, save cost, as shown in Figure 2, the two ends of this first stiffening rib 31 extend gradually towards intermediate altitude with reducing.That is, this first stiffening rib 31 is formed as shape low between the senior middle school of two ends.
Further, for make to be integrated with transmission mounting flange 30 sidewall inside and outside the rigidity at both sides place balance each other, madial wall relative with transmission mounting flange 30 in described oil sump is provided with multiple second stiffening rib 32 to improve rigidity herein.
Further, according to cae analysis result, for the benefit of transmission of bolt pretightening, make the rigidity reinforing function of described second stiffening rib 32 more outstanding, this second stiffening rib 32 is corresponding with the position of the bolt hole 14 on the attachment face of described oil sump.That is, the bolt hole 14 of this second stiffening rib 32 on the length direction of oil sump and on the attachment face of oil sump aligns.
Sidewall of the prior art is generally the thin-walled of large plane, be unfavorable for the thermal diffusivity of oil sump, and noise is large.In the preferred implementation that the utility model provides, the cross section of the sidewall 20 of oil sump is waveform, many uneven facets are divided into by the large plane of the sidewall 20 by oil sump surrounding, improve the rigidity of surrounding sidewall 20, and reduction noise, in addition owing to increasing the surface area of the sidewall 20 of oil sump surrounding, the heat radiation of machine oil in oil sump is accelerated.
For improving the functional integration of oil sump further, as shown in Figure 2,3rd diapire 13 is integrated with liquid level sensor mounting flange 40, and the attachment face of this liquid level sensor mounting flange 40 higher than described 3rd diapire 13 with forming station terrace, in other words, the 3rd diapire 13 upwards swell and be formed with liquid level sensor mounting flange 40.Therefore, the liquid level sensor after installation can protect liquid level sensor effectively higher than the 3rd diapire 13, avoids automobile to cause liquid level sensor to lose efficacy to colliding with of liquid level sensor in motion.In addition, the 3rd diapire 13 is also cut into two-part by the height difference between the attachment face of liquid level sensor mounting flange 40 and the 3rd diapire 13, improves the rigidity of the 3rd diapire 13, reduces noise.
Further, for protection liquid level sensor is along the length direction of described oil sump, the both sides, front and back of this liquid level sensor mounting flange 40 are respectively arranged with the first baffle plate 41 and the second plate washer 42.Particularly, as shown in Figure 1, this first baffle plate 41 and the second plate washer 42 can extend to form to surround this liquid level sensor mounting flange 40 from sidewall 20, therefore by the first baffle plate 41 and second baffle 42, liquid level sensor is trapped among inside, efficiently avoid the impact of fluctuation to liquid level sensor of oil sump inner engine oil in vehicle traveling process.
When assembling engine cylinder-body and oil sump; usual meeting coats sealer at the attachment face of oil sump; and then by bolton; when the attachment face of engine cylinder-body and oil sump is fitted and is extruded; unnecessary sealer can overflow downwards along the edge of attachment face, and therefore a part of sealer can flow into oil sump and pollute machine oil.
For solving the problems of the technologies described above, as shown in Figure 3, the inner edge of the attachment face of the oil sump that the utility model provides is formed with chamfering 15, therefore, in the chamfering 15 at the edge that the attachment face that unnecessary sealer can be made to be attached to oil sump protrudes towards oil sump inside, thus prevent pollution machine oil.
In addition, the utility model is claimed a kind of motor also, and this motor comprises the engine cylinder-body and oil sump that are assembled together, wherein, and the oil sump that this oil sump provides for the utility model mentioned above.Therefore, it is possible to promote oil circulation when engine operation, and lower oil sump vibration noise, promote and take advantage of the travelling comfort of driving.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.