CN108104898B - Automobile engine wind guard - Google Patents
Automobile engine wind guard Download PDFInfo
- Publication number
- CN108104898B CN108104898B CN201711467314.2A CN201711467314A CN108104898B CN 108104898 B CN108104898 B CN 108104898B CN 201711467314 A CN201711467314 A CN 201711467314A CN 108104898 B CN108104898 B CN 108104898B
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- Prior art keywords
- oil
- groove
- plate body
- engine
- avoiding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
Abstract
The invention discloses an automobile engine wind guard which comprises a plate body, wherein an engine oil tray connecting part used for being connected with an engine oil tray and a plurality of avoidance grooves used for avoiding a moving crankshaft are arranged on the plate body; according to the automobile engine wind guard, the oil pan connecting part is arranged on the oil pan and is matched with the oil baffle plate of the oil pan, so that the isolation effect of the oil storage cavity and the crank chamber is favorably improved, the engine oil in the oil cavity is effectively prevented from splashing to the crank chamber, the contact rate of the waste gas of the crank chamber with the returned engine oil and the engine oil in the oil storage cavity is reduced, and the pollution of the waste gas of the crank chamber to the engine oil is reduced; in addition, due to the arrangement of the avoiding groove, the interference with a moving crankshaft is avoided, and the normal operation of the engine is ensured.
Description
Technical Field
The invention relates to an engine component, in particular to an automobile engine wind shield.
Background
The oil pan is also called as an oil pan and is positioned at the lower part of the engine, and the oil pan is used for sealing the crankcase to be used as a shell of an oil storage tank, preventing impurities from entering, collecting and storing lubricating oil flowing back from each friction surface of the engine, dissipating partial heat and preventing the lubricating oil from being oxidized; at present, an oil pan assembly is generally formed by the oil pan and an oil baffle plate, and the oil baffle plate is connected in an oil storage cavity of the oil pan and used for isolating the oil storage cavity from a crank chamber; however, this isolation cannot be effectively achieved by means of the oil baffle alone; because the oil baffle plate is provided with a plurality of through holes for realizing oil return or yielding, engine oil or gas can easily pass through the through holes to circulate between the oil storage cavity and the crank chamber. The poor isolation effect of the oil storage cavity and the crank chamber can cause the following problems: firstly, the returned engine oil of the engine is mixed with the waste gas of the crank chamber, so that the load of the crank chamber waste gas circulating system is increased; secondly, engine oil in the oil storage cavity is splashed and adhered to the crankshaft to cause power loss, and the phenomenon of foaming is easily caused after the engine oil on the crankshaft is thrown off; third, the crankcase exhaust contacts the engine oil in the oil storage chamber, causing contamination to the engine oil.
Therefore, there is a need for a wind shield for an automotive engine, which is mounted on an engine oil pan, and is beneficial to improving the isolation effect between an oil storage cavity and a crank chamber, preventing engine oil in an oil cavity from splashing to the crank chamber, and reducing the contact rate between waste gas of the crank chamber and engine oil in a backflow engine oil and the oil storage cavity.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an automobile engine wind guard, which is mounted on an oil pan, and is beneficial to improving the isolation effect between an oil storage cavity and a crank chamber, preventing engine oil in an oil cavity from splashing to the crank chamber, and reducing the contact rate between crankcase waste gas and return engine oil and the engine oil in the oil storage cavity.
The automobile engine wind shield comprises a plate body, wherein an oil pan connecting part used for being connected with an oil pan and a plurality of avoidance grooves used for avoiding a moving crankshaft are arranged on the plate body, and a plurality of through holes used for communicating a crankshaft chamber and an oil collecting cavity are further formed in the plate body.
Further, the avoiding groove is formed by downward sinking of the upper surface of the plate body, and the plate body is of a sheet stamping part structure.
Further, every it all includes groove I and two grooves II that are used for dodging the bent axle link assembly to dodge the groove I left and right sides and are used for dodging the bent axle balancing piece respectively to dodge the groove.
Further, the depth of the groove I is larger than that of the groove II.
Further, groove I and groove II are arc groove structure.
Further, the through-hole is including locating the machine oil via hole that is used for supplying machine oil to pass through of groove I, the border department that lies in the machine oil via hole on groove I still is equipped with the baffle that extends and partly shelters from the machine oil via hole of inclining downwards.
Furthermore, the through hole also comprises a vent hole which is arranged in the groove II and used for air flow to pass through.
Furthermore, the number of the avoiding grooves is 3-5, and the avoiding grooves are arranged in parallel.
Further, the oil pan connecting portion is a plurality of screw holes formed in the edge of the plate body.
Further, the positions of the plate body above and below the avoidance grooves and between the adjacent avoidance grooves are provided with strip-shaped reinforcing ribs.
The invention has the beneficial effects that:
according to the automobile engine wind guard, the oil pan connecting part is arranged on the oil pan and is matched with the oil baffle plate of the oil pan, so that the isolation effect of the oil storage cavity and the crank chamber is favorably improved, the engine oil in the oil cavity is effectively prevented from splashing to the crank chamber, the contact rate of the waste gas of the crank chamber with the returned engine oil and the engine oil in the oil storage cavity is reduced, and the pollution of the waste gas of the crank chamber to the engine oil is reduced; in addition, due to the arrangement of the avoiding groove, the interference with a moving crankshaft is avoided, and the normal operation of the engine is ensured.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a perspective view of the present invention.
Detailed Description
Fig. 1 is a top view of the present invention, fig. 2 is a cross-sectional view a-a of fig. 1, and fig. 3 is a perspective view of the present invention, as shown in the drawings: the automobile engine wind shield comprises a plate body 1, wherein an oil pan connecting part used for being connected with an oil pan and a plurality of avoiding grooves used for avoiding a moving crankshaft are arranged on the plate body 1, and a plurality of through holes used for communicating a crankshaft chamber with an oil collecting cavity are also formed in the plate body 1; the plate body 1 is a metal plate; when in use, the plate body 1 is transversely arranged on the upper end surface of the oil tray and is positioned above the oil baffle plate, and the through hole of the plate body 1 and the hole of the oil baffle plate are arranged in a staggered manner; the number of the avoiding grooves can be 3-5, the number of the avoiding grooves corresponds to the number of cylinders of the engine, and the avoiding grooves are arranged in parallel for the in-line engine; the oil pan connecting part is preferably provided with a plurality of screw holes 8 arranged on the edge of the plate body 1, and the screw holes 8 are matched with fastening bolts and fixed on positioning holes on the upper end surface of the oil pan; the wind shield is arranged on the oil pan through the connecting part of the oil pan and is matched with the oil baffle plate of the oil pan, so that the isolation effect of the oil storage cavity and the crank chamber is favorably improved, the engine oil in the oil cavity is effectively prevented from splashing to the crank chamber, the contact rate of the waste gas of the crank chamber with the returned engine oil and the engine oil in the oil storage cavity is reduced, and the pollution of the waste gas of the crank chamber to the engine oil is reduced; in addition, due to the arrangement of the avoiding groove, the interference with a moving crankshaft is avoided, and the normal operation of the engine is ensured.
In this embodiment, the avoiding groove is formed by downward recessing of the upper surface of the plate body 1, and the plate body 1 is a sheet stamping part structure; when the oil collecting device is used, the avoiding groove is sunken towards the oil collecting cavity, and the rotating crankshaft is effectively avoided; the avoiding groove is formed by integrally stamping the plate body 1, so that the avoiding groove is convenient to machine and form, and the structural strength of the plate body 1 can be enhanced.
In the embodiment, each avoidance groove comprises a groove I2 for avoiding the crankshaft connecting rod assembly and two grooves II 3 which are respectively arranged at the left side and the right side of the groove I2 and used for avoiding the crankshaft balance block; the crankshaft connecting rod assembly is a component formed after one end of a connecting rod is connected with a connecting rod journal on the crankshaft, and the groove I2 is specially used for avoiding the crankshaft connecting rod assembly; the left side and the right side of the connecting rod journal are connected with crankshaft balance blocks, and the groove II 3 is specially used for avoiding the crankshaft balance blocks; the structure can completely avoid the moving crankshaft; in addition, the lowest point of the crankshaft connecting rod assembly is lower than the lowest point of the crankshaft balance block, so that the depth of the groove I2 is greater than that of the groove II 3, and meanwhile, the avoidance groove is of an uneven structure and has a reinforcing effect on the structural strength of the plate body 1; simultaneously, for the saving of the convenience of machine-shaping and material, groove I2 and groove II 3 are arc groove structure, do not have the fender part before groove I2 and groove II 3.
In the embodiment, the through hole comprises an engine oil through hole 4 which is arranged in the groove I2 and used for engine oil to pass through, and a baffle 5 which extends downwards in an inclined manner and partially covers the engine oil through hole 4 is further arranged on the groove I2 and is positioned at the edge of the engine oil through hole 4; the engine oil dropping from the crankshaft can return to the oil collecting cavity through the engine oil through hole 4; the baffle 5 is integrally formed by the plate body 1, and preferably, the baffle 5 is formed by a plate which is partially separated from the plate body 1 when the oil through hole 4 is formed on the plate body 1, thereby saving materials; the baffle 5 can not only guide the engine oil, but also effectively prevent the engine oil in the oil collecting cavity from splashing into the crank chamber.
In this embodiment, the through hole further comprises a vent hole 6 arranged in the groove II 3 and used for allowing air flow to pass through; the vent hole 6 is mainly used for balancing the air pressure of the crankshaft chamber and can be used for part of returned engine oil to pass through; the vent holes 6 may be waist-shaped holes to prevent stress concentration.
In the embodiment, strip-shaped reinforcing ribs 7 are arranged on the plate body 1 above and below the avoidance grooves and between the adjacent avoidance grooves; the strip reinforcing ribs 7 are formed by upwards extending the upper surface of the plate body 1, so that the structural strength of the wind shield can be effectively enhanced, and the wind shield is prevented from being broken.
In this embodiment, the surface of the plate body may further be provided with a wear-resistant layer to improve the wear-resistant performance; the wear-resistant layer comprises a pickling layer, an epoxy resin coating, a phosphating film layer and a Ni-Al-based alloy coating which are arranged from inside to outside in sequence, wherein the pickling layer can adopt HF to HNO according to the mixture ratio concentration3：H2Pickling the acid solution with the ratio of O to 1:1:10 at the temperature of 60-80 ℃ for 4-6 hours, so that not only is the cleanliness of relevant parts ensured, but also harmful trace elements are well treated; the epoxy resin coating is stable to alkali and most solvents, has the characteristics of compactness, water resistance, good leakage resistance, high strength and the like, and meanwhile, has strong adhesive force and can be operated at normal temperature; the epoxy resin coating is arranged outside the pickling layer and can have larger thickness; the phosphating film layer is an insoluble phosphate film (formed by treating a zinc phosphate solution for example) and effectively enhances the rust prevention performance of parts; the Ni-Al based alloy coating reduces the friction factor between the relevant parts and the outside and effectively improves the wear resistance of the parts.
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 (6)
1. An automobile engine deep bead which characterized in that: the oil pan structure comprises a plate body, wherein an oil pan connecting part used for being connected with an oil pan and a plurality of avoidance grooves used for avoiding a moving crankshaft are arranged on the plate body, and a plurality of through holes used for communicating a crankshaft chamber and an oil collecting cavity are also formed in the plate body;
the avoidance groove is formed by downwards sinking the upper surface of the plate body, and the plate body is of a sheet stamping part structure;
each avoidance groove comprises a groove I for avoiding the crankshaft connecting rod assembly and two grooves II which are respectively arranged at the left side and the right side of the groove I and used for avoiding the crankshaft balance block;
the depth of the groove I is greater than that of the groove II;
the through hole comprises an engine oil through hole which is formed in the groove I and used for engine oil to pass through, and a baffle which obliquely extends downwards and partially covers the engine oil through hole is further arranged on the groove I and is positioned at the edge of the engine oil through hole;
the surface of the plate body is also provided with a wear-resistant layer; the wear-resistant layer comprises a pickling layer, an epoxy resin coating, a phosphating film layer and a Ni-Al-based alloy coating which are sequentially arranged from inside to outside, wherein the pickling layer adopts HF to HNO according to the mixture ratio concentration3：H2And (3) carrying out acid washing on the acid liquor with the O-1: 1:10 at the temperature of 60-80 ℃ for 4-6 hours.
2. The automotive engine wind deflector of claim 1, wherein: groove I and groove II are arc groove structure.
3. The automotive engine wind deflector of claim 2, wherein: the through hole further comprises a vent hole which is arranged in the groove II and used for allowing air flow to pass through.
4. An automotive engine wind deflector according to any one of claims 1 to 3, characterised in that: the number of the avoiding grooves is 3-5, and the avoiding grooves are arranged in parallel.
5. An automotive engine wind deflector according to any one of claims 1 to 3, characterised in that: the oil pan connecting part is a plurality of screw holes arranged on the edge of the plate body.
6. An automotive engine wind deflector according to any one of claims 1 to 3, characterised in that: the positions of the plate body above and below the avoidance grooves and between the adjacent avoidance grooves are provided with strip-shaped reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467314.2A CN108104898B (en) | 2017-12-28 | 2017-12-28 | Automobile engine wind guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467314.2A CN108104898B (en) | 2017-12-28 | 2017-12-28 | Automobile engine wind guard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108104898A CN108104898A (en) | 2018-06-01 |
| CN108104898B true CN108104898B (en) | 2021-03-02 |
Family
ID=62214457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711467314.2A Active CN108104898B (en) | 2017-12-28 | 2017-12-28 | Automobile engine wind guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108104898B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565599B (en) * | 2021-08-16 | 2022-08-12 | 奇瑞汽车股份有限公司 | Engine oil baffle and engine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0430364Y2 (en) * | 1986-07-08 | 1992-07-22 | ||
| DE10216868A1 (en) * | 2002-04-17 | 2003-10-30 | Daimler Chrysler Ag | Oil deflector for fastening in crankcase is constructed in one piece and fixed before assembly by fitting of at least one fastening element into one of the oil returns or into housing geometry of crankcase |
| GB2466271A (en) * | 2008-12-18 | 2010-06-23 | Gm Global Tech Operations Inc | Crankshaft oil scraper with integrated crankcase gasket |
| US20120067319A1 (en) * | 2010-09-22 | 2012-03-22 | Gm Global Technology Operations, Inc. | Windage tray with tail |
| DE102010055189B4 (en) * | 2010-12-20 | 2023-11-09 | Volkswagen Aktiengesellschaft | Oil plane and combustion engine with oil plane |
| CN207761735U (en) * | 2017-12-28 | 2018-08-24 | 重庆小康工业集团股份有限公司 | crankcase wind shield |
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2017
- 2017-12-28 CN CN201711467314.2A patent/CN108104898B/en active Active
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| Publication number | Publication date |
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| CN108104898A (en) | 2018-06-01 |
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