CN216477515U

CN216477515U - Oil pan structure

Info

Publication number: CN216477515U
Application number: CN202122920639.XU
Authority: CN
Inventors: 刘果; 汪开银; 李祥江; 刘俊; 杨林强
Original assignee: Chongqing Sokon Industry Group Co Ltd
Current assignee: Chongqing Sokon Industry Group Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-10
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses an oil pan structure, which comprises an oil pan body, an inner baffle and a supporting plate, wherein an oil groove is formed in the oil pan body, the inner baffle is connected to the oil pan body to seal the oil groove, the supporting plate divides the oil groove into a plurality of mutually communicated oil distribution grooves, the vibration between the oil pan and the inner baffle can be effectively reduced, and the NVH performance of an engine is improved.

Description

Oil pan structure

Technical Field

The utility model relates to the field of automobile parts, in particular to an oil pan structure.

Background

The automobile oil sump is positioned at the bottom of an automobile engine, is used as an oil sump shell for storing lubricating oil and has a sealing effect on a crankcase; in order to save cost, the oil pan of the steel plate stamping machine is mostly adopted by commercial vehicle engines, and the oil pan has the advantages of simple structure, convenience in processing and low price.

However, with the rapid development of the automobile industry, people have higher requirements on the NVH of an automobile engine, the structure of the oil pan and the inner baffle of the stamping machine is wide, the wall thickness is thin, the rigidity is weak, the oil pan and the inner baffle are easy to resonate with the engine in the running process of the engine, and particularly, the oil pan and the inner baffle are close to the middle of the engine and have large amplitude, so that the noise of the engine is increased, and the NVH performance of the engine is seriously influenced.

Therefore, in order to solve the above problems, there is a need for an oil pan structure that can effectively reduce the vibration between the oil pan and the inner baffle, and improve the NVH performance of the engine.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to overcome the defects in the prior art, and provide an oil pan structure, which can effectively reduce the vibration between the oil pan and the inner baffle, and improve the NVH performance of the engine.

The oil pan structure comprises an oil pan body, an inner baffle and a supporting plate, wherein an oil groove is formed in the oil pan body, the inner baffle is connected to the oil pan body to seal the oil groove, and the supporting plate divides the oil groove into a plurality of mutually communicated oil distributing grooves.

Furthermore, an oil discharge port is arranged at the bottom of the oil groove, and the support plate is supported between the bottom of the oil groove and the inner baffle close to the oil discharge port.

Furthermore, the bottom of the supporting plate is upwards sunken along the height direction to form an opening facing the oil discharge port, and the opening and the oil discharge port form an oil return port together.

Furthermore, the notch of the oil groove is upwards formed on the oil pan body, and the inner baffle is arranged at the top of the oil groove to seal the oil groove; the backup pad is along vertically being located the middle part of oil groove to will the oil groove is separated into preceding oil groove and back oil groove, preceding oil groove passes through the oil return opening intercommunication with the back oil groove.

Further, the periphery of backup pad is along vertical bending type backplate, the oil pan body passes through the backplate with interior baffle and connects.

Furthermore, the middle part of the supporting plate is sunken to form a concave cavity along the longitudinal forward oil groove arrangement position.

Furthermore, an oil passing gap is reserved between one transverse end face of the supporting plate and the adjacent side wall of the oil groove.

Further, the oil discharge opening comprises a cone-shaped portion and a flow guide portion, the size of the cone-shaped portion is gradually reduced from top to bottom to form the bottom of the oil groove, the flow guide portion is formed in the side wall of the oil groove and communicated to the top of the cone-shaped portion, and the opening is located at the top of the cone-shaped portion in the height direction.

Further, the support plate is manufactured in an integrated manner.

Further, be formed with outer strengthening rib on the oil pan body, be formed with interior strengthening rib on the interior baffle.

The utility model has the beneficial effects that: according to the oil pan structure disclosed by the utility model, the vibration between the oil pan and the inner baffle can be effectively reduced through the supporting plate arranged in the middle of the oil pan, the integral rigidity of the oil pan and the inner baffle is effectively improved, the NVH performance of an engine is improved, the supporting plate is of a large flat plate structure and is provided with the concave cavity, the oil pan is divided into the front oil pan and the rear oil pan, the function of stabilizing engine oil is further played, the problem that the filter is sucked empty due to backward oscillation of the engine oil under the condition of rapid acceleration of a vehicle can be avoided, the bottom of the supporting plate is provided with the notch and the oil-proof port to form the oil return port together, the normal backflow of the engine oil is ensured, and the oil return efficiency is improved.

Drawings

The utility model is further described below with reference to the following figures and examples:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of FIG. 1 with the inner baffle removed according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 along direction B-B;

FIG. 5 is a schematic front view of the structure of FIG. 1 according to the present invention;

FIG. 6 is a schematic view of the structure of FIG. 4 taken along line A-A;

fig. 7 is a schematic structural view of the support plate of the present invention.

Detailed Description

Fig. 1 is a schematic structural view of the present invention, as shown in the figure, the longitudinal direction is the longitudinal direction along the driving direction after the oil pan body 1 is installed, that is, the length direction of the oil groove, the transverse direction is the width direction of the oil groove, and the upper and lower directions refer to the upper and lower directions of the height direction of the oil pan body 1, which is not described herein again; the oil pan structure in this embodiment includes oil pan body 1, interior baffle 2 and backup pad 3, the oil groove has on the oil pan body 1, interior baffle 2 connect in oil pan body 1 will the oil groove seals, backup pad 3 separates the oil distribution groove that a plurality of communicates each other with the oil groove. Backup pad 3 can be provided with a plurality of and separate the oil groove to play the effect of supporting oil pan body 1 and interior baffle 2, adjacent divide between the oil groove communicate each other can, no longer give unnecessary details here, set up backup pad 3 back in the oil groove, the oil groove is separated into the branch oil groove of a plurality of intercommunication each other, make the effect of stabilizing machine oil in the oil groove, can avoid swinging behind the machine oil under the vehicle rapid acceleration condition, cause the problem that the collection filter inhaled, and can effectively reduce the vibrations between oil pan and the interior baffle 2, effectively promote oil pan and interior baffle 2 bulk rigidity, reduce and form resonance between the engine, improve the NVH performance of engine.

In this embodiment, the bottom of oil groove has an oil drain, backup pad 3 is close to the oil drain and supports between the tank bottom of oil groove and inner baffle 2. Backup pad 3 supports in the oil discharge opening position, can guarantee to make the oil groove form two branch oil grooves that communicate each other at least, also this scheme preceding oil groove 01 and back oil groove 02 to be located backup pad 3 of oil discharge opening position, still play the effect of stabilizing machine oil, can avoid the vehicle and swing behind the machine oil under the condition with higher speed suddenly, cause the problem that the strainer is inhaled empty, set up the oil discharge opening bottom the oil groove and be convenient for get rid of oil residue etc. totally.

In this embodiment, the bottom of the supporting plate 3 is recessed upwards along the height direction to form an opening facing the oil discharge port, and the opening and the oil discharge port together form an oil return port 4. The opening and the oil discharge port jointly form an oil return port 4 for communicating the front oil groove 01 and the rear oil groove 02. As shown in the figure, the bottom of the supporting plate 3 is provided with an opening, the opening is opposite to the oil discharge port, the opening and the oil discharge port are communicated, an oil return port 4 is formed, the stability and the backflow of the engine oil in the whole oil groove can be guaranteed when the engine oil vibrates, the problem that the suction of the strainer is caused is avoided, the opening is formed at the bottom of the supporting plate 3, the manufacturing and the processing are convenient, meanwhile, the damage to the blocking surface of the whole supporting plate 3 can be reduced, and meanwhile, the opening is arc-shaped and improves the fluid circulation.

In this embodiment, the oil outlet includes a tapered portion 13 and a flow guiding portion 12, the tapered portion 13 is formed at the bottom of the oil groove, the size of the tapered portion 13 gradually decreases from top to bottom, the flow guiding portion 12 is formed at the side wall of the oil groove and communicated to the top of the tapered portion 13, and the opening is located at the top of the tapered portion 13 along the height direction. As shown in the figure, the tapered portion 13 facilitates discharging of engine oil, facilitates forming of a vortex at the oil discharge port, and facilitates improving of cleaning degree of oil residue and the like, and a plug 14 for controlling opening and closing of the oil discharge port is arranged at the bottom of the tapered portion 13; the water conservancy diversion portion 12 is by the formation of outside sunken in the oil groove to the setting of water conservancy diversion portion 12 is used for the buffering characteristic to set up, effectively reduces the impact of machine oil in the oil groove, prevents to take place the inertia of inside large tracts of land and strikes, improves security and protectiveness, guarantees that machine oil normally flows back, improves oil return efficiency.

In this embodiment, the oil groove opening is formed upward on the oil pan body 1, and the inner baffle 2 is arranged at the top of the oil groove to close the oil groove; the backup pad 3 is along vertically being located the middle part of oil groove to will the oil groove is separated into preceding oil groove 01 and back oil groove 02, preceding oil groove 01 passes through oil return opening 4 intercommunication with back oil groove 02. As shown in the figure, backup pad 3 is located the middle part of oil groove, greatly reduces the resonance that oil dish and interior baffle 2 and engine formed, reduces the noise that the engine vibrations abnormal sound caused to improve the NVH performance of engine, and separate into the roughly the same preceding oil groove 01 of volume and back oil groove 02 and further can improve the stability under the engine oil special case, prevent to cause the problem that the strainer aspirates.

In this embodiment, the oil pan body 1 is formed with outer ribs 11, and the inner baffle 2 is formed with inner ribs 21. As shown in the figure, outer strengthening rib 11 is formed in the circumferential direction of oil pan body 1, and interior strengthening rib 21 is formed at the top surface of inner baffle 2 to improve the structural strength of the two, prevent the structure abnormal sound of taking place self, improve structural stability.

In this embodiment, the periphery of the supporting plate 3 is bent longitudinally to form a protecting plate 31, and the oil pan body 1 and the inner baffle 2 are connected through the protecting plate 31. The guard plate 31 is used for connecting the oil pan body 1 and the inner baffle 2, the guard plate 31 can increase the connecting area and improve the installation quality, and the guard plate 31 can improve the connecting strength and the supporting strength for a formed continuous structure (except for the opening of the opening).

In this embodiment, the middle of the supporting plate 3 is recessed to form a cavity 32 toward the oil groove 01 along the longitudinal direction. Backplate 31 is along vertical backward bending type one-tenth, so that cavity 32 arranges with backplate 31 opposite direction, make backup pad 3's structure along vertically constituting the structure that flows (cavity 32 protrusion face) keep off simultaneously (cavity 32 sunken face), play effectual stationary flow effect, prevent that machine oil from flowing on a large scale in the oil groove, thereby reduce the vibrations between machine oil dish body 1 and the interior baffle 2, further prevent to form resonance with the engine, improve support intensity, reduce the noise that the engine vibrations abnormal sound caused, and improve the NVH performance of engine.

In this embodiment, the support plate 3 is integrally formed. The supporting plate 3 manufactured by integral forming enables the structure to be more complete, and the oil pan body 1 and the inner baffle 2 are only installed and connected, so that the structure is compact and the supporting strength is excellent.

In this embodiment, an oil passing gap 5 exists between one of the end surfaces of the support plate 3 in the transverse direction and the adjacent side wall of the oil groove. As shown in the figure, the oil passing gap 5 is located at the top of the supporting plate 3 and is close to the inner baffle plate 2 in the height direction, so that the oil passing efficiency is improved, the phenomenon that the top is not excessively oil and causes large impact on the whole top structure is prevented, and the risk of connection fracture is reduced.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. An oil pan structure characterized by: including oil pan body, interior baffle and backup pad, the oil groove has on the oil pan body, interior baffle connect in the oil pan body will the oil groove seals, the backup pad separates into the branch oil groove that a plurality of communicates each other with the oil groove.

2. The oil pan structure according to claim 1, wherein: the bottom of the oil groove is provided with an oil discharge port, and the support plate is supported between the bottom of the oil groove and the inner baffle close to the oil discharge port.

3. The oil pan structure according to claim 2, characterized in that: the bottom of the supporting plate is upwards sunken along the height direction to form an opening facing the oil discharge port, and the opening and the oil discharge port form an oil return port together.

4. The oil pan structure according to claim 3, characterized in that: the notch of the oil groove is formed upwards on the oil pan body, and the inner baffle is arranged at the top of the oil groove to seal the oil groove; the backup pad is along vertically being located the middle part of oil groove to will the oil groove is separated into preceding oil groove and back oil groove, preceding oil groove passes through the oil return opening intercommunication with the back oil groove.

5. The oil pan structure according to claim 4, wherein: the periphery of backup pad is along vertical bending type formation backplate, oil pan body passes through the backplate with the inner barrier and connects.

6. The oil pan structure according to claim 4, wherein: the middle part of the supporting plate is sunken along the longitudinal direction to form a concave cavity.

7. The oil pan structure according to claim 4, wherein: an oil passing gap is reserved between one transverse end face of the supporting plate and the adjacent side wall of the oil groove.

8. The oil pan structure according to claim 4, wherein: the oil discharge port comprises a conical portion and a flow guide portion, the conical portion is formed at the bottom of the oil groove, the size of the conical portion is gradually reduced from top to bottom, the flow guide portion is formed on the side wall of the oil groove and communicated to the top of the conical portion, and the opening is located at the top of the conical portion in the height direction.

9. The oil pan structure according to claim 1, wherein: the support plate is manufactured in an integrated manner.

10. The oil pan structure according to claim 1, wherein: the oil pan body is provided with outer reinforcing ribs, and the inner baffle is provided with inner reinforcing ribs.