CN205297787U - Empty filter and engine with anti -backfire baffle - Google Patents
Empty filter and engine with anti -backfire baffle Download PDFInfo
- Publication number
- CN205297787U CN205297787U CN201620054641.XU CN201620054641U CN205297787U CN 205297787 U CN205297787 U CN 205297787U CN 201620054641 U CN201620054641 U CN 201620054641U CN 205297787 U CN205297787 U CN 205297787U
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- CN
- China
- Prior art keywords
- air filter
- tempering
- baffle plate
- production well
- waste gas
- 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
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an empty filter of anti -backfire baffle, including the empty filter seat that has the venthole, set up filter core and integral type or detachable the setting in the anti -backfire baffle of empty filter seat in empty filter seat, forming between on the anti -backfire baffle and/or its edge and the empty filter seat and making the gaseous passageway that flows out through the venthole, this sky filter can prevent that the flame of combustion chamber from passing through the intake duct, the carburetor gets into air cleaner, burns the filter core to filter core to air cleaner plays limiting displacement, prevents that the engine from inhaling empty filter venthole department to the filter core at inspiratory in -process, thereby improves the engine charging efficiency.
Description
Technical field
The utility model relates to engine component field, specifically a kind of air filter and engine thereof with anti-tempering baffle plate.
Background technology
Air filter is the important parts of engine charge system, and its effect is for engine provides the air cleaned, and prevents suction in cylinder body from causing abrasion with the air of impurity particle and damaging engine cylinder. The main integral part of air filter is filter core and machine shell, and wherein filter core is main filtration fraction, carries the filtration work of gas, and machine shell is for filter core provides the necessary outer bilge construction protected. Engine is in working process, and due to reasons such as gas distributing system or ignition system break down, the flame or the high-temperature gas that produce during the acting of engine last time pass in inlet pipe along inlet valve, and are entered into by inlet pipe and burnt by filter core in air filter; In addition, owing to filter core can be free to slide in purifier machine shell, filter core can be adsorbed in air filter air outlet place by engine in the process of air-breathing, stops air inlet, causes engine charging efficiency to decline, and then reduces the output rating of engine.
Therefore, for overcoming the above problems, need a kind of air filter with anti-tempering baffle plate, this assembly can prevent the flame of combustion chamber from entering air filter by uptake, carburettor, burn filter core, and the filter core of air filter is played position-limiting action, prevents engine, in the process of air-breathing, filter core is drawn onto air filter production well place, thus improve engine charging efficiency.
Practical novel content
In view of this, the purpose of this utility model overcomes defect of the prior art, there is provided a kind of to prevent from the flame of combustion chamber from entering air filter by uptake, carburettor burning filter core, and the filter core of air filter is played position-limiting action, prevent engine, in the process of air-breathing, filter core is drawn onto air filter production well place, thus improve the air filter with anti-tempering baffle plate of charging efficiency.
The air filter with anti-tempering baffle plate of the present utility model, comprises the air filter seat with production well, the filter core being arranged in air filter seat and integral type or the detachable anti-tempering baffle plate being arranged at air filter seat, form the passage that gas is flowed out by production well on described anti-tempering baffle plate and/or between its edge and air filter seat, anti-tempering baffle plate is fixed in air filter seat and shelters from the production well of air filter, when the flame in combustion chamber is back to air filter by inlet pipe, to be stopped by anti-tempering baffle plate, flame is avoided to scurry in air filter, burn filter core, anti-tempering baffle plate of the present utility model can directly be shaped in air filter seat or in production well, or adopt the detachable air filter seat inwalls that are fixed on of fastening piece such as bolt, can directly process air-flow passage on anti-tempering baffle plate or enable to form gap between anti-tempering baffle edge and air filter seat makes air-flow flow out outside air filter by air-flow passage, this anti-tempering baffle plate is avoided to be impacted by engine charge, simultaneously, filter core can be carried out spacing to the movement of production well side by anti-tempering baffle plate, prevent engine, in the process of air-breathing, filter core is adsorbed onto production well place, thus improve the charging efficiency of engine,
Further, described air filter seat is also provided with waste gas inlet hole and the exhaust steam passage for waste gas is fixed to described production well, the oil vapour that engine cylinder head is discharged is connected to waste gas inlet hole by waste pipe, the oil gas entered in air filter from waste gas inlet hole can be fixed to production well and be expelled in engine air inlet tube by exhaust steam passage, finally enter into and in cylinder, participate in burning, exhaust steam passage can avoid oil vapour to flow to filter core and stick in above filter core at the filter core place cold machine oil that congeals into of chance, affect the filter effect of filter core, unnecessary machine oil is finally avoided to be flowed out by the gap between air filter seat and air filter lid, contaminate environment,
Further, described air filter seat inwall is provided with the guiding groove connecting waste gas inlet hole and production well, described anti-tempering baffle plate is one-body molded to be had waste gas gear sheet and closes described guiding groove formation exhaust steam passage by this waste gas gear sheet, guide groove to remove material by air filter seat inwall formed or arrange at least two bar shaped side plates formation at air filter seat inwall, waste gas gear sheet is utilized by guiding groove top seal thus to be formed and have better sealing property exhaust steam passage, the oil gas entering in air filter from waste gas inlet hole is made to be fixed to production well and be expelled in engine air inlet tube, finally enter into and in cylinder, participate in burning.
Further, described guiding groove guides muscle to be formed by being shaped at least two of air filter seat inwall, waste gas gear sheet and anti-tempering baffle plate are one-body molded, muscle is guided also to arrange with air filter seat integral type, waste gas gear sheet hides in guiding above muscle, make waste gas gear sheet, guide the airtight exhaust steam passage surrounding between muscle and air filter seat inwall and being formed and connect waste gas inlet hole and production well, guarantee that the waste gas entered from waste gas inlet hole can not flow to filter core, this kind of decoration form, without the need to processing special runner in air filter seat, is conducive to saving the manufacturing cost of engine;
Further, described guiding groove is formed by air filter inner wall depression, and waste gas gear sheet hides in this guiding groove, thus forms the airtight exhaust steam passage connecting waste gas inlet hole and production well; Form, by removing material, the deadweight guiding groove can alleviate air filter, it is convenient to processing simultaneously.
Further, described anti-tempering baffle plate extends to form installation ear to both sides, described installation ear downward bending makes itself and anti-tempering baffle plate form " �� " structure, eardrum face and the laminating of air filter seat inwall are installed, �� " anti-tempering baffle plate protuberance forms the passage that air-flow is passed through in the middle part of structure, ensures that air-flow can flow out from production well smoothly;
Further, described production well comprises centre hole and is respectively in the semicircle side opening that central aperture is connected to both sides and with centre hole, semicircle side opening can effectively increase the flow area area of production well, reduces air-flow by resistance during production well, makes engine charge more smooth and easy; The open holes shown for fixedly mounting described anti-tempering baffle plate is divided in described production well both sides, and the installation ear of anti-tempering baffle plate is also correspondingly provided with mounting hole site, during assembling, utilizes bolt to pass this open holes and is fixed in air filter seat reliably by anti-tempering baffle plate;
Further, the area of described anti-tempering baffle plate is less than the cross-sectional area of described production well, therefore, part gas flows to without the need to changing and just can directly flow out outside air filter by the gap between anti-tempering baffle plate and production well, reduces engine charge resistance further;
Further, described waste gas gear sheet outer face is circular arc face, interferes with air filter seat when adopting circular arc face that waste gas gear sheet can be avoided to install, and meanwhile, the part that waste gas keeps off sheet semicircle can hide exhaust gas inlet, avoids exhaust flow to filter core;
The invention also discloses a kind of engine, the described air filter with anti-tempering baffle plate is installed on the inlet pipe of this engine, air filter of the present utility model can prevent the flame of combustion chamber from entering air filter by uptake, carburettor, burn filter core, and can prevent engine, in the process of air-breathing, filter core is drawn onto air filter production well place, thus improve charging efficiency.
The beneficial effects of the utility model are: the air filter with anti-tempering baffle plate of the present utility model, anti-tempering baffle plate is fixed in air filter seat and shelters from the production well of air filter, when the flame in combustion chamber is back to air filter by inlet pipe, to be stopped by anti-tempering baffle plate, flame is avoided to scurry in air filter, burn filter core, anti-tempering baffle plate of the present utility model can directly be shaped in air filter seat or in production well, or adopt the detachable air filter seat inwalls that are fixed on of fastening piece such as bolt, can directly process air-flow passage on anti-tempering baffle plate or enable to form gap between anti-tempering baffle edge and air filter seat makes air-flow flow out outside air filter by air-flow passage, this anti-tempering baffle plate is avoided to be impacted by engine charge, simultaneously, filter core can be carried out spacing to the movement of production well side by anti-tempering baffle plate, prevent engine, in the process of air-breathing, filter core is adsorbed onto production well place, thus improve the charging efficiency of engine.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of anti-tempering baffle plate of the present utility model;
Fig. 3 is the structural representation of air filter seat of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 is the structural representation of anti-tempering baffle plate 2 of the present utility model, Fig. 3 is the structural representation of air filter seat of the present utility model, as shown in the figure, the air filter with anti-tempering baffle plate of the present embodiment, comprises the air filter seat with production well, the filter core being arranged in air filter seat and integral type or the detachable anti-tempering baffle plate 2 being arranged at air filter seat, form the passage that gas is flowed out by production well on described anti-tempering baffle plate 2 and/or between its edge and air filter seat, anti-tempering baffle plate 2 is fixed in air filter seat and shelters from the production well of air filter, when the flame in combustion chamber is back to air filter by inlet pipe, to be stopped by anti-tempering baffle plate 2, flame is avoided to scurry in air filter, burn filter core, anti-tempering baffle plate 2 of the present utility model can directly be shaped in air filter seat or in production well, or adopt the detachable air filter seat inwalls that are fixed on of fastening piece such as bolt, can directly process air-flow passage on anti-tempering baffle plate 2 or enable to form gap between anti-tempering baffle plate 2 edge and air filter seat makes air-flow flow out outside air filter by air-flow passage, this anti-tempering baffle plate 2 is avoided to be impacted by engine charge, simultaneously, filter core can be carried out spacing to the movement of production well side by anti-tempering baffle plate 2, prevent engine, in the process of air-breathing, filter core is adsorbed onto production well place, thus improve the charging efficiency of engine.
In the present embodiment, described air filter seat is also provided with waste gas inlet hole 5 and the exhaust steam passage 7 for waste gas is fixed to described production well, the oil vapour that engine cylinder head is discharged is connected to waste gas inlet hole 5 by waste pipe, the oil gas entered in air filter from waste gas inlet hole 5 can be fixed to production well and be expelled in engine air inlet tube by exhaust steam passage 7, finally enter into and in cylinder, participate in burning, exhaust steam passage 7 can avoid oil vapour to flow to filter core and stick in above filter core at the filter core place cold machine oil that congeals into of chance, affect the filter effect of filter core, unnecessary machine oil is finally avoided to be flowed out by the gap between air filter seat and air filter lid, contaminate environment.
In the present embodiment, described air filter seat inwall is provided with and connects the guiding groove 7 of waste gas inlet hole 5 with production well, described anti-tempering baffle plate 2 is one-body molded to be had waste gas gear sheet 1 and keeps off sheet 1 by this waste gas and close described guiding groove 7 and form exhaust steam passage, guide groove 7 to remove material by air filter seat inwall formed or arrange at least two bar shaped side plates formation at air filter seat inwall, waste gas gear sheet 1 is utilized by guiding groove 7 top seal thus to be formed and have better sealing property exhaust steam passage, the oil gas entering in air filter from waste gas inlet hole 5 is made to be fixed to production well and be expelled in engine air inlet tube, finally enter into and in cylinder, participate in burning.
In the present embodiment, described guiding groove 7 guides muscle 6 to be formed by being shaped at least two of air filter seat inwall, waste gas gear sheet 1 is one-body molded with anti-tempering baffle plate 2, muscle 6 is guided also to arrange with air filter seat integral type, waste gas gear sheet 1 hides in guiding above muscle 6, make waste gas gear sheet 1, guide to surround between muscle 6 and air filter seat inwall to be formed and connect the airtight exhaust steam passage of waste gas inlet hole 5 with production well, guarantee that the waste gas entered from waste gas inlet hole 5 can not flow to filter core, this kind of decoration form without the need to processing special runner in air filter seat, be conducive to saving the manufacturing cost of engine,
In the present embodiment, described guiding groove 7 can also be formed by air filter inner wall depression, and waste gas gear sheet 1 hides in this guiding groove 7, thus is formed and connect the airtight exhaust steam passage of waste gas inlet hole 5 with production well; Form, by removing material, the deadweight guiding groove 7 can alleviate air filter, it is convenient to processing simultaneously.
In the present embodiment, described anti-tempering baffle plate 2 extends to form to both sides installs ear 3, described installation ear 3 downward bending makes itself and anti-tempering baffle plate 2 form " �� " structure, ear 3 bottom surface and the laminating of air filter seat inwall are installed, �� " anti-tempering baffle plate 2 protuberance forms the gap that air-flow is passed through in the middle part of structure, ensures that air-flow can flow out from production well smoothly.
In the present embodiment, described production well comprises centre hole 4 and is respectively in the radial both sides of centre hole 4 and the semicircle side opening 8 that is connected with centre hole 4, semicircle side opening 8 can effectively increase the flow area area of production well, reduce air-flow by resistance during production well, make engine charge more smooth and easy, the open holes 9 shown for fixedly mounting described anti-tempering baffle plate 2 is divided in described production well both sides, the installation ear 3 of anti-tempering baffle plate 2 is also correspondingly provided with open holes 9, during assembling, utilize bolt to pass this open holes 9 to be fixed on reliably in air filter seat by anti-tempering baffle plate 2.
In the present embodiment, the area of described anti-tempering baffle plate 2 is less than the cross-sectional area of described production well, therefore, part gas flows to without the need to changing and just can directly flow out outside air filter by the gap between anti-tempering baffle plate 2 and production well, reduces engine charge resistance further.
In the present embodiment, described waste gas gear sheet 1 outer face is circular arc face, adopts circular arc face that waste gas gear sheet 1 can be avoided to interfere with air filter seat when installing, and meanwhile, the part that waste gas keeps off sheet 1 semicircle can hide exhaust gas inlet, avoids exhaust flow to filter core.
The invention also discloses a kind of engine, the described air filter with anti-tempering baffle plate is installed on the inlet pipe of this engine, air filter of the present utility model can prevent the flame of combustion chamber from entering air filter by uptake, carburettor, burn filter core, and can prevent engine, in the process of air-breathing, filter core is drawn onto air filter production well place, thus improve charging efficiency.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although the utility model being described in detail with reference to better embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent replacement, and not departing from objective and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. one kind has the air filter of anti-tempering baffle plate, it is characterised in that: comprise the air filter seat with production well, the filter core being arranged in air filter seat and integral type or the detachable anti-tempering baffle plate being arranged in air filter seat; Form the passage that gas is flowed out by production well on described anti-tempering baffle plate and/or between its edge and air filter seat.
2. the air filter with anti-tempering baffle plate according to claim 1, it is characterised in that: described air filter seat is also provided with waste gas inlet hole and the exhaust steam passage for waste gas is fixed to described production well.
3. the air filter with anti-tempering baffle plate according to claim 1, it is characterized in that: described air filter seat inwall is provided with the guiding groove connecting waste gas inlet hole and production well, described anti-tempering baffle plate is one-body molded to be had waste gas gear sheet and closes described guiding groove formation exhaust steam passage by this waste gas gear sheet.
4. the air filter with anti-tempering baffle plate according to claim 3, it is characterised in that: described guiding groove guides muscle to be formed by being shaped at least two of air filter seat inwall.
5. the air filter with anti-tempering baffle plate according to claim 3, it is characterised in that: described guiding groove is formed by air filter inner wall depression.
6. the air filter with anti-tempering baffle plate according to claim 1, it is characterised in that: described anti-tempering baffle plate extends to form installation ear to both sides, and described installation ear downward bending makes itself and anti-tempering baffle plate form " �� " type structure.
7. the air filter with anti-tempering baffle plate according to claim 1, it is characterised in that: described production well comprises centre hole and is respectively in the semicircle side opening that central aperture is connected to both sides and with centre hole.
8. the air filter with anti-tempering baffle plate according to claim 1, it is characterised in that: the area of described anti-tempering baffle plate is less than the cross-sectional area of described production well.
9. the air filter with anti-tempering baffle plate according to claim 3, it is characterised in that: described waste gas gear sheet outer face is circular arc face.
10. an application rights requires the engine of the air filter with anti-tempering baffle plate described in 1-9 any claim, it is characterised in that: described in there is anti-tempering baffle plate air filter be installed on the inlet pipe of this engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054641.XU CN205297787U (en) | 2016-01-20 | 2016-01-20 | Empty filter and engine with anti -backfire baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054641.XU CN205297787U (en) | 2016-01-20 | 2016-01-20 | Empty filter and engine with anti -backfire baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297787U true CN205297787U (en) | 2016-06-08 |
Family
ID=56429075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620054641.XU Expired - Fee Related CN205297787U (en) | 2016-01-20 | 2016-01-20 | Empty filter and engine with anti -backfire baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508092A (en) * | 2016-01-20 | 2016-04-20 | 隆鑫通用动力股份有限公司 | Anti-backfire air filter and engine thereof |
-
2016
- 2016-01-20 CN CN201620054641.XU patent/CN205297787U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508092A (en) * | 2016-01-20 | 2016-04-20 | 隆鑫通用动力股份有限公司 | Anti-backfire air filter and engine thereof |
| CN105508092B (en) * | 2016-01-20 | 2018-11-16 | 隆鑫通用动力股份有限公司 | Anti-backfire air filter and its engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160608 Termination date: 20190120 |