CN208040473U - oil sump, engine and vehicle - Google Patents

Abstract

This disclosure relates to a kind of oil sump, engine and vehicle, the oil sump includes bottom wall and is arranged to limit the side wall of inner cavity jointly around the bottom wall, and the inner surface junction between the bottom wall and the side wall is disposed at least one boss circumferentially spacedly.Flowing of the machine oil that the oil sump of the disclosure is oriented to by difference in height that the cooperation of boss and bottom wall generates in oil sump from eminence to lower, promotes the oil circulation in oil sump, thus plays the effect for the circulating property for improving machine oil.

Description

Oil sump, engine and vehicle

Technical field

This disclosure relates to vehicle motor technical field, and in particular, to a kind of oil sump, engine and vehicle.

Background technology

Oil sump is the important component for storing machine oil and closed crankcase in vehicle, and oil sump is made in existing vehicle For maximum thin-wall part in engine, the big planar configuration of bottom surface generally use of oil sump, therefore assembled by oil sump Generally existing is unfavorable for the problem of oil circulation flowing under to the use state of engine cylinder body bottom.

Utility model content

Purpose of this disclosure is to provide a kind of oil sump of circulating property improving machine oil including starting for the oil sump Machine and vehicle.

To achieve the goals above, according to one aspect of the disclosure, a kind of oil sump is provided, the oil sump includes bottom Wall and it is arranged to limit the side wall of inner cavity jointly around the bottom wall, the connection of inner surface between the bottom wall and the side wall Circumferentially there is at least one boss at place.

Optionally, the bottom wall is formed as rectangular configuration, and the boss is four, and each boss is arranged in Four corners junction between the bottom wall and the side wall.

Optionally, it is formed with for corresponding with collecting filter oil inlet on inner surface of the bottom wall in addition to the boss First groove, the side wall, which is connected on the position of the bottom wall, is formed with unloading port, first groove and the unloading port Between be provided with interconnected diversion trench.

Optionally, the diversion trench along the longitudinal direction on by shortest path extend in a manner of be connected to first groove and The unloading port.

Optionally, under oil sump use state first groove groove depth be less than the diversion trench groove depth.

Optionally, the diversion trench extends to the medium position of first groove from the unloading port.

Optionally, inner surface of the bottom wall in addition to the boss is formed as different height under oil sump use state Defined by multiple bottom wall subregions, first groove is formed in the bottom wall point positioned at lowest point under oil sump use state Area.

Optionally, drainage trough is formed on the bottom wall of neighbouring first groove, one end of the drainage trough extends To first groove.

According to another aspect of the present disclosure, a kind of engine is provided, the engine includes oil sump as described above.

According to the another aspect of the disclosure, a kind of vehicle is provided, the vehicle includes engine as described above.

Through the above technical solutions, being oriented in oil sump by difference in height that the cooperation of boss and bottom wall generates Flowing of the machine oil from eminence to lower promotes the oil circulation in oil sump, thus plays the circulating property for improving machine oil Effect.

Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.

Description of the drawings

Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings：

Fig. 1 is the stereogram one according to the oil sump of disclosure specific implementation mode；

Fig. 2 is the stereogram two according to the oil sump of disclosure specific implementation mode；

Fig. 3 is the vertical view according to the oil sump of disclosure specific implementation mode；

Fig. 4 is the sectional view along line A-A in Fig. 3；

Fig. 5 is the sectional view along line B-B in Fig. 3；

Fig. 6 is the sectional view along line C-C in Fig. 3.

Reference sign

1 bottom wall, 2 side wall

3 boss, 4 first reinforcing rib

5 installation base, 6 mounting hole

7 second reinforcing rib, 8 drainage trough

9 unloading port, 10 diversion trench

11 bottom wall subregion, 12 first groove

51 step-like recesses structure, 61 slot hole

D front-rear directions

Specific implementation mode

The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.

In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " top, bottom end " typically refers to oil " top, the bottom end " of corresponding component under bottom case use state, " inside and outside " refers to " inside and outside " for oil sump outer profile, " preceding Rear direction " and " short transverse " refer to the front-rear direction and short transverse of vehicle, wherein for example described front-rear direction is as schemed 1 to the directions D shown in Fig. 3.

As shown in Figures 1 to 6, according to one aspect of the disclosure, a kind of oil sump is provided, the oil sump includes bottom wall 1 and around the bottom wall 1 be arranged to limit the side wall 2 of inner cavity, the inner surface between the bottom wall 1 and the side wall 2 jointly Circumferentially there is at least one boss 3 in junction.Wherein, for the size of boss 3, shape, arrangement quantity, height of projection The disclosure such as concrete structure are simultaneously not construed as limiting, and the specific arrangement form for boss 3 in the case where being formed with multiple Be not construed as limiting, for example, multiple boss 3 can circumferentially spaced arrangement be either adjacently positioned or between multiple boss 3 may be used Every the cooperation arrangement form arranged and be adjacently positioned, oily bottom is oriented to by difference in height that the cooperation of boss 3 and bottom wall 1 generates Flowing of the machine oil from eminence to lower in shell promotes the oil circulation in oil sump, thus plays the recycle stream for improving machine oil The effect of dynamic property, while also there is noise reduction.

Optionally, as shown in figure 3, in order to further increase the circulating property of machine oil, the bottom wall 1 is formed as rectangle knot Structure, the boss 3 are four, and each boss is arranged in the connection of four corners between the bottom wall 1 and the side wall 2 Place.Wherein, the surface of bottom wall 1 can be roughly divided into five facets by four boss 3, this is compared to existing big plane The oil sump of formula bottom wall reduces the area of 1 each plane of bottom wall, is more advantageous to circulating for machine oil.Here, the square The signified substantially rectangular structure of shape structure, the height of the boss 3 can be mutually different, or can also be roughly the same, this Disclosure is to this and is not construed as limiting.Optionally, the position at the close middle part of the bottom wall 1 can be provided with for collecting filter oil inlet The corresponding groove of mouth passes through four corners junction between 2 inner surface of 1 inner surface of bottom wall and side wall in the case Boss 3 guiding role so that machine oil is flowed towards the groove 8 close to bottom wall 1 medium position, is conducive to engine oil impurity and is collected And deposit in groove 8, and then can be periodically discharged by the unloading port 9 in oil sump.But it's not limited to that for the disclosure, institute State boss 3 can also be provided with one or two, three, five etc. it is multiple.

Here, optionally, the bottom wall 1 be formed on the inner surface in addition to the boss 3 for collecting filter oil inlet Corresponding first groove 12 of mouth, the side wall 2, which is connected on the position of the bottom wall 1, is formed with unloading port 9, first groove Interconnected diversion trench 10 is provided between 12 and the unloading port 9.Wherein, the depth of first groove 12 and bottom wall 1 Depth close to the surrounding bottom surface of the first groove 12 is compared to relatively low, to not only contribute to collecting filter oil suction, and in machine oil Impurity can be easily pooled to and collecting filter oil inlet pair by the guide functions of the suction of lubricating oil pump and boss 3 In the first groove 12 that should be arranged, and then be conducive to deposition of the impurity into the first groove 12.Here, due to 12 He of the first groove It is provided with the diversion trench 10 of connection the first groove 12 and unloading port 9 between unloading port 9, therefore collects and deposits to the first groove 12 Interior impurity can be easy via diversion trench 10 and by unloading port 9 by and be discharged in time, to avoid because of oil sump Interior impurity is more and causes the blockage phenomenons such as collecting filter oil inlet and influences to run well.

Here, as shown in Figure 1 to Figure 3, optionally, D is upper with shortest path extension along the longitudinal direction for the diversion trench 10 Mode be connected to first groove 12 and the unloading port 9 thus, it is possible to by the first groove 12 impurity and machine oil pass through The guiding of diversion trench 10 and readily through unloading port 9 be discharged, improve expulsion efficiency.For example, the unloading port 9 is in front-rear direction D it is upper can with the positive corresponding development length minimum for being arranged so that diversion trench 4 of first groove 12, for the ease of process with And ensureing engine oil flow efficiency, the diversion trench 10 can be straight trough.In addition, first groove 12 can substantially square Structure, such as tetragonal structure with rounded corner or first groove 12 can be circle, triangle, polygonal, no The shapes such as rule.It wherein, can be by unloading port 9 in order to improve oil extraction efficiency and convenient for emptying the machine oil in oil sump Lowest point is arranged as so that it is for example flushed with the bottom surface of diversion trench 10 with the bottom surface of bottom wall 1.But it's not limited to that for the disclosure, The specific forming position of unloading port 9 can be arranged reasonably according to actual needs, for example, the unloading port 9 can be with shape At on the bottom surface of bottom wall 1, this embodiment similarly falls into the protection domain of the disclosure.

Wherein, the depth of the first groove 12 and diversion trench 10 is not particularly limited, for example, the first groove 12 and leading The groove depth of chute 10 can be roughly the same and the slightly depth compared with the groove depth of periphery bottom surface, this is conducive to machine oil in oil sump Interior smooth flow.Here, in order to further increase dust and oil extraction efficiency, it is optionally, described under oil sump use state The groove depth of first groove 12 is less than the groove depth of the diversion trench 10.

Optionally, in order to enable diversion trench 10 plays reliable guiding role to the machine oil in the first groove 12 and is convenient for flow direction Unloading port 9, the diversion trench 10 extend to the medium position of first groove 12 from the unloading port 9.

Optionally, as shown in figures 1 and 3, under oil sump use state the bottom wall 1 in addition to the boss 3 in Surface is formed as multiple bottom wall subregions 11 defined by different height, and first groove 12 is formed in oil sump use state It is located at the bottom wall subregion 11 of lowest point down.By the different bottom wall subregion 11 of multiple height can promote the machine oil in oil sump from Flowing of the eminence to lower, is conducive to circulating for machine oil.Wherein, the height for multiple bottom wall subregions 11 and it is open not It is construed as limiting, as long as the difference in height between the multiple bottom wall subregion 11 reaches the machine oil that can ensure in oil sump and realizes recycle stream Dynamic degree, for example, can so that the difference in height between multiple bottom wall subregions 11 is smaller and in the shape for ensureing engine oil flow The smooth flow of machine oil is realized under state.Specifically, bottom wall 1 is arranged so that at neighbouring oil scavenge pump oil inlet especially collecting filter The height of the bottom wall subregion 11 as 12 bottom surface of the first groove at oil inlet is less than the height of other bottom wall subregions 11, in order to The oil suction of oil scavenge pump and the dust of machine oil.Here, working as top of the bottom wall 1 on front-rear direction D relative to the side wall 2 In the case of inclination arrangement, in other words, the height of multiple bottom wall subregions 11 of the bottom wall 1 may be arranged to described in whole direction Top end face (i.e. with the fitting surface of engine cylinder body cooperation) inclined direction relative to side wall 2 is gradually lower, and thus adapts to The design of engine tilts arrangement, and the structure of this bottom wall 1 inclined design itself uses shape be assembled to transmitter cylinder body Under state, multiple bottom wall subregions 11 of bottom wall 1 still keep horizontality, ensure that the machine oil liquid level in oil sump keeps horizontal.Such as It is upper described, bottom wall 1 is divided by multiple non-uniform facets by the cooperation of multiple bottom wall subregions 11 and the boss 3, this is not Only be conducive to circulating for machine oil, but also have the effect of improving the modal frequency of oil sump.

Optionally, drainage trough 8, one end of the drainage trough 8 are formed on the bottom wall 1 of neighbouring first groove 12 Extend to first groove 12.Specifically, there is the case where bottom wall subregion 11 of different height as described above in the bottom wall 1 Under, the drainage trough 8 can be formed at least one bottom wall subregion of neighbouring first groove 12.Wherein, the drainage trough 8 can To use structure identical with diversion trench 10, as long as playing the role of water conservancy diversion, which can further increase oil While the modal frequency of bottom case, be conducive to circulating for machine oil, and have and the impurity contained by machine oil can be passed through drainage Slot 8 flows to the first groove 12 and is deposited in the first groove 12, is conducive to the discharge of engine oil impurity.Herein with the diversion trench 10 Similarly, it is optional by described one end of the drainage trough 8 extend to first groove 12 medium position and with the water conservancy diversion Slot 10 connects.

Optionally, as shown in Figure 1, in order to improve the bonding strength and rigidity between bottom wall 1 and side wall 2,1 He of the bottom wall Inner surface junction between the side wall 2 is additionally provided with multiple first reinforcing ribs 4.

Optionally, section of the side wall 2 in short transverse is formed as wavy shaped configuration, has to limit the inner cavity There is waveform inner peripheral surface.Wavy shaped configuration described herein is not limited to the wavy shaped configurations such as the consistent sine wave of wave amplitude, and Being can be according to the concrete shape of engine cylinder body bottom come the wavy cross-sectional shape of side wall described in reasonable design 2, thus By using the side wall 2 with waveform inner peripheral surface oil is further increased while ensureing with engine cylinder body reliable assembling The modal frequency of bottom case, and play the effect of the vibration and noise that reduce oil sump entirety.But it's not limited to that for the disclosure, can Reasonably to arrange the structure of side wall 2 according to actual needs.

Optionally, the top of the side wall 2 is formed as the installation base circumferentially and extended radially outward 5, should Multiple mounting holes 6 for being connect with engine cylinder body are formed on installation base 5, the installation base 5 corresponds to each institute State the part of mounting hole 6 thickness be more than the installation base 5 rest part thickness.Wherein, optionally, the mounting hole One or more of 6 can be formed as extending close on installation base 5 slot hole of the position of bottom wall 1 along short transverse 61, that is, the thickness that installation base 5 corresponds to 61 part of the slot hole extends to bottom wall 1 from the top of the side wall 2, for Form the slot hole 61.By structure as described above, installation point of the oil sump for being assembled on engine cylinder body is improved certainly The strength and stiffness of body, and reinforce the assembly intensity between oil sump and engine cylinder body so that assembly is more firm, in turn Further decrease vibration and the noise of oil sump.Here, in order to ensure installation base 5 have accurate flatness, to avoid Occur to machine non-uniform problem during processing the fitting surface of installation base 5, optionally, the installation base 5 it is interior It could be formed with the step-like recesses structure 51 being slightly concave towards the direction of bottom wall 1 on circumferential surface.Pass through this step-like recesses Structure 51 can effectively ensure that the fitting surface of installation base 5 has accurate flatness, meanwhile, it is assembled to engine in oil sump When cylinder base, the reliable leakproofness with cylinder body bottom surface is effectively ensured.Here, optionally, in order to improve 5 peripheral surface of installation base Bonding strength between 2 peripheral surface of side wall, along axis between the bottom face of the installation base 5 and the peripheral surface of the side wall 2 To being positioned apart from multiple second reinforcing ribs 7.In addition, existing middle oil sump is the casting of steel stamping part or big plane formula Part, big plane is more and is unfavorable for oil circulation and vibration noise is big.And this disclosure relates to oil sump one may be used Cast structure, in order to be molded the bottom wall subregion of multiple above-mentioned composition facets, thus improve machine oil circulating property and Mode efficiency, and play the effect for reducing vibration noise.That is, the bottom wall 1, side wall 2, the first reinforcing rib 4 and the second reinforcing rib 7 It can be integrally formed, and the oil sump integral thickness is roughly the same.

In order to adapt to the design of engine cylinder body inclination arrangement, optionally, as shown in Figure 4 and Figure 5, the bottom wall 1 is preceding It is in tilted layout relative to the top of the side wall 2 on rear direction D, for example, in the case that the engine cylinder body tilts 12 °, The bottom wall 1 tilts 12 ° on front-rear direction D relative to the top of side wall 2, thus in the top of the side wall of oil sump 2 and hair After motivation cylinder body is assembled so that bottom wall 1 is in horizontality relative to ground.But it's not limited to that for the disclosure, can be with The structure of oil sump bottom wall 1 and side wall 2 is reasonably arranged according to the general layout form of engine, engine oil capacity etc..

According to another aspect of the present disclosure, a kind of engine is also provided, the engine includes oil sump as described above. The engine is oriented to oil by oil sump as described above by difference in height that the cooperation of boss 3 and bottom wall 1 generates Flowing of the machine oil from eminence to lower in bottom case promotes the oil circulation in oil sump, thus plays the cycle for improving machine oil The effect of mobility.

According to the another aspect of the disclosure, a kind of vehicle is also provided, the vehicle includes engine as described above.Due to The vehicle includes oil sump and engine as described above, therefore advantage having the same, in order to avoid repeating, herein no longer It repeats.

The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can The combination of energy no longer separately illustrates.

In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (10)

1. a kind of oil sump, the oil sump includes bottom wall (1) and is arranged to limit inner cavity jointly around the bottom wall (1) Side wall (2), which is characterized in that the inner surface junction between the bottom wall (1) and the side wall (2) circumferentially has at least One boss (3).

2. oil sump according to claim 1, which is characterized in that the bottom wall (1) is formed as rectangular configuration, the boss (3) it is four, and each boss is arranged in the connection of four corners between the bottom wall (1) and the side wall (2) Place.

3. oil sump according to claim 1, which is characterized in that interior table of the bottom wall (1) in addition to the boss (3) It is formed on face for the first groove (12) corresponding with collecting filter oil inlet, the side wall (2) is connected on the bottom wall (1) It is formed with unloading port (9) on position, interconnected water conservancy diversion is provided between first groove (12) and the unloading port (9) Slot (10).

4. oil sump according to claim 3, which is characterized in that the diversion trench (10) is along the longitudinal direction on (D) with most The mode that short path extends is connected to first groove (12) and the unloading port (9).

5. oil sump according to claim 3, which is characterized in that first groove (12) under oil sump use state Groove depth be less than the diversion trench (10) groove depth.

6. oil sump according to claim 3, which is characterized in that the diversion trench (10) extends from the unloading port (9) To the medium position of first groove (12).

7. according to the oil sump described in any one of claim 3-6, which is characterized in that the bottom under oil sump use state Inner surface of the wall (1) in addition to the boss (3) is formed as multiple bottom wall subregions (11) defined by different height, and described first Groove (12) is formed in the bottom wall subregion (11) for being located at lowest point under oil sump use state.

8. according to the oil sump described in any one of claim 3-6, which is characterized in that the institute of neighbouring first groove (12) It states and is formed with drainage trough (8) on bottom wall (1), one end of the drainage trough (8) extends to first groove (12).

9. a kind of engine, which is characterized in that the engine includes the oily bottom according to any one of claim 1-8 Shell.

10. a kind of vehicle, which is characterized in that the vehicle includes engine according to claim 9.