CN210289973U - Diesel engine air filter capable of changing air inlet direction - Google Patents
Diesel engine air filter capable of changing air inlet direction Download PDFInfo
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- CN210289973U CN210289973U CN201920352122.5U CN201920352122U CN210289973U CN 210289973 U CN210289973 U CN 210289973U CN 201920352122 U CN201920352122 U CN 201920352122U CN 210289973 U CN210289973 U CN 210289973U
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- air inlet
- silencer
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Abstract
The utility model relates to a diesel engine air filter for changing air inlet direction, the diesel engine comprises an engine body, a silencer and an air filter; the silencer is arranged on the engine body, and the axial direction of the silencer is parallel to the axial direction of the engine body; an air filter is arranged on one side of the silencer; the air inlet direction of the air inlet of the air filter is parallel to the axial direction of the silencer; a gap is formed between the air inlet and the silencer; one side of an air inlet of the air filter is provided with a shielding sheet; the shielding piece extends outwards relative to the air filter. Its advantages are: the utility model discloses a change air filter of diesel engine of direction of admitting air for it is unanimous with ambient temperature behind the air admission engine, lifting power, the complete machine performance is good, long service life.
Description
Technical Field
The utility model belongs to the technical field of the diesel engine technique and specifically relates to a change air cleaner of diesel engine of direction of admitting air.
Background
The diesel engine is mainly applied to the fields of agricultural machinery, engineering machinery, automobile industry, ship machinery, electric power industry and the like. Diesel engines are favored for their excellent power, economy and reliability, and their application range is becoming wider and wider. At present, diesel engines are adopted by 100% heavy vehicles and 90% light vehicles in European and American countries. The European diesel cars account for about 32% of the total annual production of the cars, wherein countries such as France and Spain are more than 50%.
However, the following drawbacks and deficiencies exist in the prior art with respect to diesel engines:
firstly, the fuel for diesel engine is diesel oil, which has higher viscosity than gasoline and is not easy to evaporate, and its self-ignition temperature is lower than gasoline, so the formation and ignition mode of combustible gas mixture are different from that of gasoline engine. The difference is mainly that the mixture in the cylinder of the diesel engine is compression-ignited. This requires air to be sucked through an air filter, and during the movement of the whole machine, hot air exhausted from the engine is sucked into the engine, which degrades the performance of the engine and thus the performance of the whole machine.
Secondly, the diesel engine among the prior art does not have empty filter, and the air can not purify, and easy wearing and tearing, the reliability reduces, does not have the silencer, and the machine operation produces the noise easily, causes the sound pollution.
The diesel engine air filter capable of changing the air inlet direction achieves the condition that the air inlet temperature is consistent with the ambient temperature, and the performance of the whole diesel engine is stable.
Disclosure of Invention
The utility model aims at providing a change the empty filter of diesel engine of direction of admitting air, make the admission temperature unanimous with ambient temperature to reach the complete machine stable performance.
In order to achieve the purpose, the utility model adopts the technical proposal that:
an air filter of a diesel engine for changing the air intake direction, the diesel engine comprises an engine body, a silencer and an air filter; the silencer is arranged on the engine body, and the axial direction of the silencer is parallel to the axial direction of the engine body; an air filter is arranged on one side of the silencer; the air inlet direction of the air inlet of the air filter is parallel to the axial direction of the silencer; a gap is formed between the air inlet and the silencer; one side of an air inlet of the air filter is provided with a shielding sheet; the shielding piece extends outwards relative to the air filter.
As a preferred technical solution, the row shape of the air inlet is rectangular.
As a preferred technical scheme, the length of the air inlet is 40 mm; the width was 19 mm.
As a preferred technical scheme, the air inlet is provided with a filter disc.
As a preferable technical scheme, the air filter is internally provided with air inlet channels which are distributed in a vortex-shaped structural form.
As a preferable technical scheme, the shape of the air inlet is a trapezoid, the size of the upper end part is large, and the size of the lower end part is small.
As a preferable technical scheme, one side surface of the shielding sheet close to the silencer is a concave surface, and one plane of the shielding sheet close to the air inlet is a straight surface.
As a preferred technical solution, the shielding plate is fixed on the air filter by welding.
As a preferable technical scheme, the outer surface of the shielding sheet is coated with an anti-aging coating.
The utility model has the advantages that:
1. the utility model discloses an air filter of diesel engine of change direction of admitting air for it is unanimous with ambient temperature behind the empty filter of air admission, and the complete machine performance is good, long service life.
2. The air filter is arranged, so that the air entering the air purifier can be purified, and the working performance of the whole machine can be improved.
3. The silencer is arranged, so that the noise reduction function is achieved, and the noise reduction effect of the whole machine is good.
4. An air inlet channel is arranged in the air filter and is distributed in a vortex-shaped structural form. According to the design mode, the air inlet channel is designed into a vortex-shaped structure, vortex-shaped air inlet flow can be formed, air can be rapidly mixed with the working medium of the engine body, and the air and the working medium are uniformly mixed.
5. The shielding piece is fixed on the air filter in a welding mode, the fixing effect is exact, the whole engine is in a shaking state under the working state of the engine body, and if the fixing effect is not exact, the shielding piece can fall off.
Drawings
Fig. 1 is a schematic structural diagram of an air filter of a diesel engine for changing air intake direction according to the present invention.
Detailed Description
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. engine body 2. silencer
3. Air filter 31, air inlet
32. Air inlet channel 33 shielding piece
Referring to fig. 1, fig. 1 is a schematic structural diagram of an air filter of a diesel engine for changing an air intake direction according to the present invention. A diesel engine capable of reducing the temperature of inlet air comprises an engine body 1, a silencer 2 and an air filter 3; the silencer 2 is arranged on the engine body 1, and the axial direction of the silencer 2 is parallel to the axial direction of the engine body 1; an air filter 3 is arranged on one side of the silencer 2; the air inlet direction of the air inlet 31 of the air filter 3 is parallel to the axial direction of the silencer 2; a gap is formed between the air inlet 31 and the silencer 2; a shielding sheet 33 is arranged on one side of the air inlet 31 of the air filter 3; the shielding sheet extends outwards relative to the air filter 3; the row shape of the air inlet 31 is rectangular, and the length of the air inlet 31 is 40 mm; the width was 19 mm.
It should be noted that:
the air inlet 31 is provided with a filter disc for filtering gas particle dust; this design side can purify the air, prevents that the dust in the air from getting into engine body 1 inside to influence the performance of engine.
The air filter 3 is internally provided with an air inlet channel 32, and the air inlet channel 32 is distributed in a vortex-shaped structural form. In this design, the air inlet passage 32 is designed to have a spiral structure, so that a spiral intake flow can be formed, and air can be rapidly and uniformly mixed with the working medium of the engine body 1.
The shielding piece 33 is made of steel materials, the service life of the steel materials is long, and hot gas emitted by the low-grade silencer 2 can be effectively utilized.
Preferably, the shielding piece 33 is fixed on the air filter 3 by welding, the fixing effect is definite, the whole engine body 1 is in a shaking state in the working state, and if the fixing effect is not definite, the shielding piece 33 can fall off.
Preferably, a temperature reduction coating can be arranged on the inner wall of the air inlet channel 32 of the air filter 3, and the temperature of the inlet air is reduced through the temperature reduction coating, so that the influence of hot air flow generated by the silencer 2 is reduced to the maximum extent.
Preferably, the shape of the air inlet 31 is a trapezoid, and the size of the upper end part is large, and the size of the lower end part is small, and the design scheme has the following effects: the air inflow in unit volume is large, and the air inflow is sufficient.
Preferably, the outer surface of the shielding sheet 33 is coated with an anti-aging coating layer, which has an anti-aging function, and the shielding sheet 33 is exposed to hot air for a long time, so that the shielding sheet is unevenly heated and easily suffers from aging.
Preferably, one side surface of the shielding plate 33 close to the muffler 2 is a concave surface, and a plane of the shielding plate 33 close to the air inlet 31 is a straight surface. The contact area is increased through the concave surface, the hot air sent by the silencer 2 can be increased to be fully contacted, and the hot air is prevented from flowing into the air inlet 31.
Preferably, the row shape of the air inlet 31 is rectangular, and the length of the air inlet 31 is 40 mm; the width was 19 mm. The technical effect of the design mode is as follows: the shape and the corresponding dimension are determined by a plurality of tests under the working state of the whole machine, so that the performance of the whole machine is optimal.
The diesel engine air filter capable of changing the air inlet direction can cool the inlet air, so that the temperature of the inlet air is consistent with the ambient temperature after the inlet air enters the engine, the performance of the whole diesel engine is good, and the service life is long; the air filter 3 is arranged, so that the entering air can be purified, and the working performance of the whole machine can be improved; the silencer 2 is arranged, so that the noise reduction function is achieved, and the noise reduction effect of the whole machine is good; an air inlet channel 32 is arranged in the air filter 3, and the air inlet channel 32 is distributed in a vortex-shaped structural form. In the design mode, the air inlet channel 32 is designed into a vortex-shaped structure, so that vortex-shaped air inlet flow can be formed, and air can be rapidly mixed with the working medium of the engine body 1 and is uniformly mixed; the inner wall of the air inlet channel 32 of the air filter 3 is provided with a cooling coating, and the entering air is cooled through the cooling coating, so that the influence of hot air flow generated by the silencer 2 is reduced to the maximum extent; the shielding piece 33 is fixed on the air filter 3 in a welding mode, the fixing effect is exact, the whole engine is in a shaking state under the working state of the engine body 1, and if the fixing effect is not exact, the shielding piece 33 can fall off.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (9)
1. An air filter of a diesel engine for changing the air intake direction is characterized in that the diesel engine comprises an engine body, a silencer and an air filter; the silencer is arranged on the engine body, and the axial direction of the silencer is parallel to the axial direction of the engine body; an air filter is arranged on one side of the silencer; the air inlet direction of the air inlet of the air filter is parallel to the axial direction of the silencer; a gap is formed between the air inlet and the silencer; one side of an air inlet of the air filter is provided with a shielding sheet; the shielding piece extends outwards relative to the air filter.
2. The air filter for diesel engines according to claim 1, wherein the row shape of the air inlet openings is rectangular.
3. The air filter for diesel engines according to claim 1, wherein the length of the air inlet is 40 mm; the width was 19 mm.
4. The air filter of the diesel engine for changing the air intake direction of claim 1, wherein the air inlet is provided with a filter sheet.
5. The air filter of the diesel engine for changing the air intake direction of claim 1, wherein the air filter is provided with air intake channels, and the air intake channels are distributed in a vortex-shaped structural form.
6. The air filter for diesel engine according to claim 1, wherein said air inlet is trapezoidal and has a larger size at its upper end and a smaller size at its lower end.
7. The air filter of the diesel engine for changing the air intake direction of claim 1, wherein one side surface of the shielding plate close to the muffler is a concave surface, and one plane of the shielding plate close to the air inlet is a straight surface.
8. An air filter for a diesel engine according to claim 1, wherein said shielding plate is fixed to the air filter by welding.
9. An air filter for a diesel engine according to claim 1, wherein the outer surface of the shielding plate is coated with an anti-aging coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352122.5U CN210289973U (en) | 2019-03-20 | 2019-03-20 | Diesel engine air filter capable of changing air inlet direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352122.5U CN210289973U (en) | 2019-03-20 | 2019-03-20 | Diesel engine air filter capable of changing air inlet direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210289973U true CN210289973U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920352122.5U Active CN210289973U (en) | 2019-03-20 | 2019-03-20 | Diesel engine air filter capable of changing air inlet direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210289973U (en) |
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2019
- 2019-03-20 CN CN201920352122.5U patent/CN210289973U/en active Active
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