CN203717069U - Gasoline motor oil bottom shell - Google Patents
Gasoline motor oil bottom shell Download PDFInfo
- Publication number
- CN203717069U CN203717069U CN201420057418.1U CN201420057418U CN203717069U CN 203717069 U CN203717069 U CN 203717069U CN 201420057418 U CN201420057418 U CN 201420057418U CN 203717069 U CN203717069 U CN 203717069U
- Authority
- CN
- China
- Prior art keywords
- length direction
- stiffening rib
- oil sump
- stiffening
- engine oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010705 motor oil Substances 0.000 title claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 24
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 abstract 7
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a gasoline motor oil bottom shell. The gasoline motor oil bottom shell comprises a shell fixedly arranged at the bottom of a motor; the shell and the bottom of the motor define a cavity body; the bottom surface of the shell is formed by a first bottom surface and a second bottom surface; the first bottom surface is downwards sunk to form a deep oil pool; at least three first reinforcement ribs and at least two second reinforcement ribs are arranged at the inner side of the second bottom surface; the length direction of the first reinforcement ribs is the same as the length direction of a motor crankshaft; the included angel between the length direction of the second reinforcement ribs and the length direction of the motor crankshaft is larger than 0 degrees and is smaller than 180 degrees; at least three third reinforcement ribs are arranged at the outer side of the second bottom surface and the length direction of the third reinforcement ribs is vertical to the length direction of the motor crankshaft. Due to the arrangement of the reinforcement ribs, on one hand, the strength of the oil bottom shell is enhanced, the fixed frequency of the oil bottom shell is improved, and the vibration of the oil bottom shell is reduced; on the other hand, the noise reflection is reduced, the noise is weakened in the transmission process and the denoising aim is achieved.
Description
Technical field
The utility model relates to fuel engine technical field, relates in particular to a kind of petrol engine oil sump.
Background technique
Oil sump is as the key components and parts of motor, and Main Function is store and provide engine operational cycle needed lubricating oil.
The main oil sump that has two kinds of forms in currently available technology: a kind of is the oil sump that adopts stamping steel plate to form, and the oil sump of this type can produce vibration when engine operation, thereby can produce noise, has reduced the NVH performance of motor.
Another kind is the oil sump that adopts forging type to form, and is mainly cast aluminum sump; In currently available technology, the structure of cast aluminum sump is: at oil sump internal surface or outer surface, adopt larger plane or the round and smooth curved surface of transition, in real engine working procedure, an operational noise part for engine interior can be spread out of by below oil sump, and while there is larger plane or the round and smooth curved surface of transition in oil sump internal surface or outer surface, oil sump can not effectively stop noise to spread out of from engine interior, has reduced the NVH performance of motor.
Model utility content
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of and can reduce noise, contributes to improve the petrol engine oil sump of the NVH performance of motor.
For achieving the above object, the technical solution of the utility model is:
A petrol engine oil sump, comprises the housing that is packed in engine bottom, and described housing and engine bottom surround for storing the cavity of lubricating oil; The bottom surface of described housing consists of the first bottom surface and the second bottom surface, and wherein said the first bottom surface is recessed to form dark oil sump downwards;
The inner side of described the second bottom surface is provided with at least 3 the first stiffening ribs and at least 2 the second stiffening ribs; The length direction of wherein said the first stiffening rib is identical with the length direction of engine crankshaft, and the angle of the length direction of described the second stiffening rib and the length direction of engine crankshaft is greater than 0 ° and be less than 180 °;
The arranged outside of described the second bottom surface has at least 3 article of the 3rd stiffening rib, and the length direction of described the 3rd stiffening rib is perpendicular to the length direction of described engine crankshaft.
Preferably, the cross section of described the second bottom surface is wave-like type.
Preferably, respectively corresponding 1 described the first stiffening rib of each crest of described the second bottom surface and each trough, the direction of the crest place straight line of described the second bottom surface is all identical with the length direction of described engine crankshaft with the direction of trough place straight line.
Preferably, described the second bottom surface has 1 crest and 2 troughs, and the inner side of described the second bottom surface is provided with 3 described the first stiffening ribs and 2 described the second stiffening ribs.
Preferably, the wavelength of described the second bottom surface is 95mm～105mm, and the amplitude of described the second bottom surface is 2mm～3mm.
Preferably, the width of described the first stiffening rib and the second stiffening rib is 5mm～6.5mm.
Preferably, the angle of the length direction of described the second stiffening rib and the length direction of engine crankshaft is 55 °～65 °.
Preferably, the distance of adjacent two described the 3rd stiffening ribs is 50mm～60mm.
Preferably, the width of described the 3rd stiffening rib is 5mm～7mm.
Preferably, one end of described the first stiffening rib extends to the edge of described housing, and is fixedly connected with the edge of described housing; One end of described the second stiffening rib extends to the edge of described housing, and is fixedly connected with the edge of described housing; The two ends of described the 3rd stiffening rib extend to respectively the edge of described housing, and are fixedly connected with the edge of described housing.
The beneficial effects of the utility model are, petrol engine oil sump described in the utility model, the first stiffening rib, the second stiffening rib and the 3rd stiffening rib are set on the second bottom surface, can increase the intensity of oil sump on the one hand, promote the natural frequency of oil sump, thereby can reduce the vibration of oil sump; Can increase the sonic reflection of making an uproar on the other hand, thereby can make noise be weakened in propagation process, finally reach the object of noise reduction.
Accompanying drawing explanation
Fig. 1 shows setting position and the structural representation of the inside stiffening rib of petrol engine oil sump described in the utility model;
Fig. 2 shows setting position and the structural representation of the external reinforcing muscle of petrol engine oil sump described in the utility model;
Fig. 3 shows petrol engine oil sump described in the utility model along the generalized section of the A-A direction shown in Fig. 1.
Description of reference numerals
10 first bottom surfaces
20 second bottom surfaces
30 first stiffening ribs
40 second stiffening ribs
50 the 3rd stiffening ribs
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
See figures.1.and.2, show respectively setting position and the structural representation of the inner stiffening rib of being positioned at of petrol engine oil sump described in the utility model, and the setting position and the structural representation that are positioned at outside stiffening rib, described petrol engine oil sump comprises housing, described housing is packed in the bottom of motor, and described housing and engine bottom surround for storing the cavity of lubricating oil.
The bottom surface of described housing is divided into two-part with being divided into two, i.e. the first bottom surface 10 and the second bottom surface 20, wherein the first bottom surface 10 is recessed to form dark oil sump downwards, in embodiment of the present utility model, structure for noise reduction is all arranged on described the second bottom surface 20, particularly:
On the one hand, the inner side of described the second bottom surface 20 side of engine bottom (towards) is provided with at least 3 the first stiffening ribs 30 and at least 2 the second stiffening ribs 40; Wherein said first length direction of stiffening rib 30 is identical with the length direction of engine crankshaft, and the angle of described second length direction of stiffening rib 40 and the length direction of described engine crankshaft is greater than 0 ° and be less than 180 °.On the other hand, the arranged outside of described the second bottom surface 20 has at least 3 article of the 3rd stiffening rib 50, and the length direction of described the 3rd stiffening rib 50 is perpendicular to the length direction of described engine crankshaft.
In a preferred embodiment of the present utility model, the inner side of described the second bottom surface 20 is provided with 5 stiffening ribs altogether, wherein there are 3 to be the first stiffening rib 30, article 2, be the second stiffening rib 40, first length direction of stiffening rib 30 is identical with the length direction of engine crankshaft, here, what deserves to be explained is, therefore it is identical with the length direction of described engine crankshaft that the length direction of the housing of described oil sump is preferably set to, and the length direction of the first stiffening rib 30 is also identical with the length direction of the housing of described oil sump.Secondly, described the second stiffening rib 40 is preferably not parallel with described engine crankshaft, and the angle of described second length direction of stiffening rib 40 and the length direction of engine crankshaft is preferably 55 °～65 °, more preferably 60 ° of described angles.Have, one end of described the first stiffening rib 30 extends to the edge of described housing along its length direction again, and is fixedly connected with the edge of described housing; Similarly, one end of described the second stiffening rib 40 also extends to the edge of described housing along its length direction, and is fixedly connected with the edge of described housing.
The arranged outside of described the second bottom surface 20 has 3 article of the 3rd stiffening rib 50, and the length direction of described the 3rd stiffening rib 50 is perpendicular to the length direction of described engine crankshaft.Especially, the two ends of described the 3rd stiffening rib 50 extend to respectively the edge of described housing, and are fixedly connected with the edge of described housing.
Further, the width of described the first stiffening rib 30 and the second stiffening rib 40 is all preferably 5mm～6.5mm, more preferably 6mm; The width of described the 3rd stiffening rib 50 is preferably 5mm～7mm, more preferably 6mm; Distance between adjacent two described the 3rd stiffening ribs 50 is preferably 50mm～60mm, more preferably 55mm.
Above-mentioned stiffening rib, the layout that comprises the first stiffening rib 30, the second stiffening rib 40 and the 3rd stiffening rib 50, can increase the intensity of petrol engine oil sump described in the utility model on the one hand, promote the natural frequency of oil sump, thereby can reduce the vibration of oil sump; Can increase the sonic reflection of making an uproar on the other hand, thereby can make noise be weakened in propagation process, finally reach the object of noise reduction.
In another preferred embodiment of the present utility model, as shown in Figure 3, that petrol engine oil sump described in the utility model is along the generalized section of the A-A direction shown in Fig. 1, the cross section of described the second bottom surface 20 is wave-like type, the wavelength of described the second bottom surface 20 is preferably 95mm～105mm, described wavelength is 100mm more preferably, and the amplitude of described the second bottom surface 20 (be crest to the perpendicular distance of trough 1/2) is preferably 2mm～3mm, and described amplitude is 2.5mm more preferably.
Further, respectively corresponding 1 described the first stiffening rib 30 of each crest of described the second bottom surface 20 and each trough, the direction of the crest place straight line of described the second bottom surface 20 is all identical with the length direction of described engine crankshaft with the direction of trough place straight line.
In the present embodiment, the second bottom surface 20 of petrol engine oil sump adopts wave curved design, the design of wave curved surface can increase the engine operation sonic reflection of making an uproar equally, thereby can make noise further be weakened in propagation process, has further reached the object of noise reduction.Particularly, by above-mentioned setting, can make the natural frequency of oil sump increase by 4%～6%, thereby make the operational noise of motor reduce 1dB～2dB.
Embodiment shown in above foundation is graphic describes structure of the present utility model, feature and action effect in detail; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change of doing according to conception of the present utility model; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet specification and illustrating contain spiritual, all should be in protection domain of the present utility model.
Claims (10)
1. a petrol engine oil sump, comprises the housing that is packed in engine bottom, and described housing and engine bottom surround for storing the cavity of lubricating oil; The bottom surface of described housing consists of the first bottom surface and the second bottom surface, and wherein said the first bottom surface is recessed to form dark oil sump downwards; It is characterized in that,
The inner side of described the second bottom surface is provided with at least 3 the first stiffening ribs and at least 2 the second stiffening ribs; The length direction of wherein said the first stiffening rib is identical with the length direction of engine crankshaft, and the angle of the length direction of described the second stiffening rib and the length direction of engine crankshaft is greater than 0 ° and be less than 180 °;
The arranged outside of described the second bottom surface has at least 3 article of the 3rd stiffening rib, and the length direction of described the 3rd stiffening rib is perpendicular to the length direction of described engine crankshaft.
2. petrol engine oil sump according to claim 1, is characterized in that, the cross section of described the second bottom surface is wave-like type.
3. petrol engine oil sump according to claim 2, it is characterized in that, respectively corresponding 1 described the first stiffening rib of each crest of described the second bottom surface and each trough, the direction of the crest place straight line of described the second bottom surface is all identical with the length direction of described engine crankshaft with the direction of trough place straight line.
4. petrol engine oil sump according to claim 3, is characterized in that, described the second bottom surface has 1 crest and 2 troughs, and the inner side of described the second bottom surface is provided with 3 described the first stiffening ribs and 2 described the second stiffening ribs.
5. petrol engine oil sump according to claim 3, is characterized in that, the wavelength of described the second bottom surface is 95mm～105mm, and the amplitude of described the second bottom surface is 2mm～3mm.
6. according to the petrol engine oil sump described in claim 1 to 5 any one, it is characterized in that, the width of described the first stiffening rib and the second stiffening rib is 5mm～6.5mm.
7. according to the petrol engine oil sump described in claim 1 to 5 any one, it is characterized in that, the angle of the length direction of described the second stiffening rib and the length direction of engine crankshaft is 55 °～65 °.
8. according to the petrol engine oil sump described in claim 1 to 5 any one, it is characterized in that, the distance of adjacent two described the 3rd stiffening ribs is 50mm～60mm.
9. according to the petrol engine oil sump described in claim 1 to 5 any one, it is characterized in that, the width of described the 3rd stiffening rib is 5mm～7mm.
10. according to the petrol engine oil sump described in claim 1 to 5 any one, it is characterized in that, one end of described the first stiffening rib extends to the edge of described housing, and is fixedly connected with the edge of described housing; One end of described the second stiffening rib extends to the edge of described housing, and is fixedly connected with the edge of described housing; The two ends of described the 3rd stiffening rib extend to respectively the edge of described housing, and are fixedly connected with the edge of described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057418.1U CN203717069U (en) | 2014-01-28 | 2014-01-28 | Gasoline motor oil bottom shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057418.1U CN203717069U (en) | 2014-01-28 | 2014-01-28 | Gasoline motor oil bottom shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717069U true CN203717069U (en) | 2014-07-16 |
Family
ID=51156232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420057418.1U Expired - Fee Related CN203717069U (en) | 2014-01-28 | 2014-01-28 | Gasoline motor oil bottom shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717069U (en) |
-
2014
- 2014-01-28 CN CN201420057418.1U patent/CN203717069U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203717069U (en) | Gasoline motor oil bottom shell | |
| CN204140222U (en) | Piston pin hole with oil groove on a kind of piston | |
| CN203702342U (en) | Noise reduction sound insulation board for gear chamber cover | |
| CN204002982U (en) | The connecting flange structure of a kind of engine sump tank and clutch housing | |
| CN202082593U (en) | Polygonal seamless tube for carrying vehicle window | |
| CN203536164U (en) | Transformer oil tank structure | |
| CN203604570U (en) | Novel hydraulic drive transmission | |
| CN202100359U (en) | Oil tank with anti-falling torsion spring | |
| CN203702359U (en) | Light gasoline engine piston | |
| CN204163789U (en) | Quiet engine oil sump | |
| CN204253880U (en) | Anti-wear live axle | |
| CN202209276U (en) | Oil pump housing of automobile gearbox | |
| CN202348940U (en) | Transmission shaft for engine | |
| CN203570427U (en) | Strengthening structure of motorcycle engine | |
| CN202768776U (en) | Synchronizer joint tooth for car | |
| CN202867015U (en) | Cylinder cover screw fastening through hole | |
| CN203248269U (en) | Piston ring of internal combustion engine | |
| CN202611878U (en) | Low-noise engine | |
| CN201891989U (en) | Flywheel casing of diesel engine | |
| CN204222265U (en) | Prevent the punch press of oil leakage | |
| CN202138762U (en) | Fork truck fuel tank cover | |
| CN207470635U (en) | A kind of constant velocity driving shaft universal joint housing | |
| CN209283007U (en) | A kind of noise-reduction case structure | |
| CN204402679U (en) | The cylinder body of motor and motor | |
| CN206625911U (en) | A kind of electric mixed timing chain cover of oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190128 |