阅读说明：本技术 发动机油底壳的布筋结构 (Reinforcement distributing structure of engine oil pan ) 是由 黄第云 于 2019-11-27 设计创作，主要内容包括：本发明公开了一种发动机油底壳的布筋结构,包括外筋条、冲压凹槽以及内筋板。外筋条呈网格状分布在油底壳的底面；冲压凹槽分布在油底壳的侧壁上,且由外向内凹陷；内筋板设置在油底壳的侧壁内侧之间；其中外筋条沿油底壳的底部长度方向的长度间距是沿油底壳的底部宽度的宽度间距的0.7～1倍,长度间距是底边长度的0.05～0.1倍。本发明的发动机油底壳的布筋结构,通过外筋条、冲压凹槽以及内筋板之间参数关系可以提高发动机的提高NVH性能。(The invention discloses a rib distributing structure of an engine oil pan, which comprises an outer rib, a stamping groove and an inner rib plate. The outer ribs are distributed on the bottom surface of the oil pan in a grid shape; the stamping grooves are distributed on the side wall of the oil pan and are sunken from outside to inside; the inner rib plate is arranged between the inner sides of the side walls of the oil pan; wherein the length interval of the outer ribs along the length direction of the bottom of the oil pan is 0.7-1 times of the width interval of the bottom width of the oil pan, and the length interval is 0.05-0.1 times of the length of the bottom edge. According to the rib arrangement structure of the engine oil pan, the NVH performance of an engine can be improved through the parameter relation among the outer ribs, the stamping grooves and the inner rib plates.)

1. The utility model provides a cloth muscle structure of engine oil pan which characterized in that includes:

the outer ribs are distributed on the bottom surface of the oil pan in a grid shape;

the stamping grooves are distributed on the side wall of the oil pan and are sunken from outside to inside; and

the inner rib plate is arranged between the inner sides of the side walls of the oil pan;

the length interval of the outer ribs along the length direction of the bottom of the oil pan is 0.7-1 times of the width interval of the bottom of the oil pan in the width direction, and the length interval is 0.05-0.1 times of the length of the bottom edge of the oil pan.

2. The rib arrangement structure of the engine oil pan according to claim 1, wherein the thickness of the outer ribs is 0.5 to 1 times of the wall thickness of the bottom, and the height of the outer ribs is 1.5 to 2 times of the wall thickness of the bottom.

3. The rib distributing structure of the engine oil pan according to claim 2, wherein the groove width of the stamping groove is 2-5 times of the wall thickness of the bottom, the groove distance between two adjacent stamping grooves is not more than 2-3 times of the groove width, and the stamping depth of the stamping groove is 1-2 times of the wall thickness of the bottom.

4. The rib arrangement structure of the engine oil pan according to claim 2, wherein the distance between the inner rib plates of two adjacent inner rib plates is 0.7-1.3 times of the length of the inner rib plate, and the thickness of the inner rib plate is 1.5-2 times of the thickness of the bottom wall.

5. The cloth rib structure of an engine oil pan according to claim 1, wherein the front shape of the punched groove is a rectangular shape, a dome shape, or a long kidney shape.

6. The rib distributing structure of the engine oil pan according to claim 1, wherein a fillet transition is formed between the inner rib plate and the inner side wall of the oil pan.

Technical Field

The invention relates to the field of engines, in particular to a rib distributing structure of an engine oil pan.

Background

The vibration of the engine oil sump is one of the main sources of engine noise, and the effective noise reduction effect can be achieved by controlling the vibration response of the oil sump structure surface. And optimize the structure of oil pan, reasonable distribution structure characteristic has very important meaning to improving structural performance and reducing vibration and noise. The NVH performance is not considered in the oil pan design of a general engine, so that the rigidity is not strong, the deformation of the oil pan is large, the NVH performance of the oil pan is poor, and especially the radiation noise is large.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to provide a rib distributing structure of an engine oil pan, which can effectively reduce vibration and noise of an engine through the grid layout and distribution proportion of outer ribs at the bottom.

In order to achieve the purpose, the invention provides a rib distributing structure of an engine oil pan, which comprises an outer rib, a stamping groove and an inner rib plate. The outer ribs are distributed on the bottom surface of the oil pan in a grid shape; the stamping grooves are distributed on the side wall of the oil pan and are sunken from outside to inside; the inner rib plate is arranged between the inner sides of the side walls of the oil pan; wherein the length interval of the outer ribs along the length direction of the bottom of the oil pan is 0.7-1 times of the width interval of the bottom width of the oil pan, and the length interval is 0.05-0.1 times of the length of the bottom edge.

In a preferred embodiment, the thickness of the outer ribs is 0.5 to 1 time of the wall thickness of the bottom, and the height of the outer ribs is 1.5 to 2 times of the wall thickness of the bottom.

In a preferred embodiment, the width of the groove of each stamping groove is 2-5 times of the wall thickness of the bottom, the distance between every two adjacent stamping grooves is not more than 2-3 times of the width of the groove, and the stamping depth of each stamping groove is 1-2 times of the wall thickness of the bottom.

In a preferred embodiment, the distance between the inner rib plates of two adjacent inner rib plates is 0.7-1.3 times of the length of the inner rib plate, and the thickness of the inner rib plate is 1.5-2 times of the thickness of the bottom wall.

In a preferred embodiment, the front shape of the stamped groove is rectangular, domed or long kidney shaped.

In a preferred embodiment, the inner rib plate and the inner side wall of the oil pan are in fillet transition.

Compared with the prior art, the rib distributing structure of the engine oil pan has the following beneficial effects: according to the oil pan, the outer ribs, the stamping grooves and the inner rib plates are arranged on the oil pan, and the proportional relation between the structure and the wall thickness and the length of the bottom edge of the oil pan can well reduce vibration and noise of an engine, so that the NVH performance of the engine is improved.

Drawings

Fig. 1 is a schematic plan view of an outer rib of a rib arrangement according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an outer rib of a ribbed structure according to an embodiment of the invention;

FIG. 3 is a schematic plan view of an inner rib plate of the rib arrangement structure according to an embodiment of the invention;

FIG. 4 is a schematic perspective view of a punched groove and an inner rib plate of a rib arrangement structure according to an embodiment of the invention;

FIG. 5 is a schematic plan view of a stamped groove of a ribbed structure according to an embodiment of the invention;

FIG. 6 is a schematic sectional view in the direction J-J in FIG. 5;

FIG. 7 is a schematic plan view of a stamped groove of a ribbed structure according to another embodiment of the invention;

fig. 8 is a schematic plan view of an outer rib of a ribbed structure according to another embodiment of the invention;

fig. 9 is a schematic plan view of an inner web of a ribbed structure according to another embodiment of the invention.

Description of the main reference numerals:

1-outer rib, 2-punching groove, 3-inner rib plate, A-groove interval, A1-groove width, A2-punching depth, B-bottom edge width, B1-width interval, L-bottom edge length, L1-length interval, h-bottom wall thickness, h 1-outer rib plate thickness, h 2-outer rib plate height, S-inner rib plate length, S1-inner rib plate interval and S2-inner rib plate thickness.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1 to 6, the rib arrangement structure of the engine oil pan according to the preferred embodiment of the present invention includes an outer rib 1, a stamped groove 2, and an inner rib 3.

Referring to fig. 1 and 2, fig. 1 is a schematic plan view of an outer rib of a rib distributing structure according to an embodiment of the present invention; fig. 2 is a schematic perspective view of an outer rib of a rib distributing structure according to an embodiment of the present invention. In the present embodiment, the outer ribs 1 are distributed on the bottom surface of the oil pan in a grid shape. Wherein the length interval L1 of outer rib 1 along the bottom length direction of oil pan is 0.7 ~ 1 times of the width interval B1 along the bottom width of oil pan, and length interval L1 is 0.05 ~ 0.1 times of bottom edge length L. The thickness of the outer rib 1 is 0.5-1 times of the wall thickness of the bottom, and the height of the outer rib 1 is 1.5-2 times of the wall thickness of the bottom. In some embodiments, the relationship between the bottom side width B and the bottom side length L of the oil pan may vary depending on the model of the engine.

Referring to fig. 3 and 4, fig. 3 is a schematic plan view of an inner rib plate of a rib arrangement structure according to an embodiment of the present invention; fig. 4 is a schematic perspective view of the punched groove and the inner rib plate of the rib arrangement according to an embodiment of the invention. In some embodiments, the inner rib 3 is provided between the inside side walls of the oil pan. The distance S1 between the inner rib plates of two adjacent inner rib plates 3 is 0.7-1.3 times of the length S of the inner rib plates, and the thickness S2 of the inner rib plates is 1.5-2 times of the wall thickness h of the bottom.

Referring to fig. 5 and 6, fig. 5 is a schematic plan view of a stamping groove of a rib distributing structure according to an embodiment of the present invention; fig. 6 is a schematic sectional view in the direction J-J of fig. 5. In some embodiments, the stamped grooves 2 are distributed on the side walls of the oil pan and are recessed from the outside to the inside. The groove width A1 of the stamping groove 2 is 2-5 times of the wall thickness h of the bottom, the groove distance A of two adjacent stamping grooves 2 is not more than 2-3 times of the groove width A1, and the stamping depth A2 of the stamping groove 2 is 1-2 times of the wall thickness h of the bottom. The front surface of the stamping groove 2 in this embodiment is rectangular, but the invention is not limited thereto.

Fig. 7 is a schematic plan view of a punched groove of a rib structure according to another embodiment of the present invention, as shown in fig. 7. In some embodiments, the front shape of the punched groove 2 may also be a dome shape or a long waist shape, and fig. 7 illustrates the dome shape, and the long waist shape is not illustrated. The front shape of the above-described punched groove 2 is indicative of an example, and the present invention is not limited thereto.

As shown in fig. 8 and also referring to fig. 7, fig. 8 is a schematic plan view of an outer rib of a cloth rib structure according to another embodiment of the present invention. In some embodiments, the bottom shape of the oil pan is not a complete plane, and sometimes a part of the oil pan is folded upwards as shown in fig. 7, and the outer rib 1' at this time continues to extend along the length direction, and the outer rib may be arranged or not arranged in the width direction, and the embodiment of fig. 7 illustrates that the outer rib in the width direction is not arranged.

Fig. 9 is a schematic plan view of an inner rib plate 3 of a rib structure according to another embodiment of the present invention, as shown in fig. 9. In some embodiments, a fillet R is used for transition between the inner rib plate 3 and the inner side wall of the oil pan.

In summary, the rib distributing structure of the engine oil pan has the following advantages: the oil pan is provided with the outer ribs, the stamping grooves and the inner rib plates, and the proportional relation between the structure and the parameters such as the wall thickness of the bottom of the oil pan, the length of the bottom edge, the width of the bottom edge and the like can well reduce the vibration and noise of the engine, so that the NVH performance of the engine can be improved.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.