CN105508092A - Anti-backfire air filter and engine thereof - Google Patents
Anti-backfire air filter and engine thereof Download PDFInfo
- Publication number
- CN105508092A CN105508092A CN201610036800.8A CN201610036800A CN105508092A CN 105508092 A CN105508092 A CN 105508092A CN 201610036800 A CN201610036800 A CN 201610036800A CN 105508092 A CN105508092 A CN 105508092A
- Authority
- CN
- China
- Prior art keywords
- air filter
- backfireproof
- air
- baffle plate
- 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.)
- Granted
Links
- 239000002912 waste gas Substances 0.000 claims description 48
- 239000007789 gas Substances 0.000 claims description 14
- 210000002435 tendon Anatomy 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 8
- 238000010304 firing Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The invention discloses an anti-backfire air filter which comprises an air filter base, a filter element and an anti-backfire baffle. The air filter base is provided with an air outlet, the filter element is arranged inside the air filter, and the anti-backfire baffle is integrally or detachably arranged on the air filter base. A channel where gas is made to flow out through the air outlet is formed between the air filter base and the anti-backfire baffle and/or the edge of the anti-backfire baffle. According to the air filter, flame of a combustion chamber can be prevented from entering the air filter through an air inlet and a carburetor or burning the filter element, the filter element of the air filter is limited, an engine is prevented from sucking the filter element to the air outlet of the air filter in the suction process, and therefore the inflation efficiency of the engine is improved.
Description
Technical field
The present invention relates to engine component field, specifically a kind of backfireproof air filter and motor thereof.
Background technique
Air-strainer is the vitals of engine aspirating system, and its effect is for motor provides clean air, prevents the air sucked in cylinder body with impurity particle from causing abrasion and damaging cylinder.The chief component of air-strainer is filter core and casing, and wherein filter core is main filtration fraction, carries the filtration work of gas, and casing is for filter core provides the external structure of necessary protection.In the course of the work, due to reasons such as gas distribution system or ignition system break down, the flame produced during the acting of motor last time or high-temperature gas pass in suction tude along intake valve motor, and are entered in air-strainer by suction tude and burnt by filter core; In addition, because filter core can be free to slide in filter cleaner casing, filter core can be adsorbed in air-strainer air outlet place by motor in the process of air-breathing, stops air inlet, causes motor charging efficiency to decline, and then reduces the output power of motor.
Therefore, for overcoming the above problems, need a kind of backfireproof air filter, this assembly can prevent the flame of firing chamber from entering air-strainer by intake duct, Carburetor, burn filter core, and position-limiting action is played to the filter core of air-strainer, prevents motor, in the process of air-breathing, filter core is drawn onto air filter air outlet hole place, thus improve motor charging efficiency.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, there is provided a kind of can prevent from the flame of firing chamber from entering air-strainer by intake duct, Carburetor burning filter core, and position-limiting action is played to the filter core of air-strainer, prevent motor, in the process of air-breathing, filter core is drawn onto air filter air outlet hole place, thus improve the backfireproof air filter of charging efficiency.
Backfireproof air filter of the present invention, comprise there is air outlet hole air filter seat, be arranged at filter core in air filter seat and integral type or the detachable backfireproof baffle plate being arranged at air filter seat, on described backfireproof baffle plate and/or form the passage that gas is flowed out by air outlet hole between its edge and air filter seat, backfireproof baffle plate to be fixed in air filter seat and to shelter from the air outlet hole of air filter, when the flame in firing chamber is back to air filter by suction tude, will stop by backfireproof baffle plate, flame is avoided to scurry in air filter, burn filter core, backfireproof baffle plate of the present invention can directly be shaped in air filter seat or in air outlet hole, or adopt the detachable air filter seat inwalls that are fixed on of fastening piece such as bolt, backfireproof baffle plate can directly process air-flow path or enable to form gap between backfireproof baffle edge and air filter seat makes air-flow flow out outside air filter by air-flow path, this backfireproof baffle plate is avoided to impact engine charge, simultaneously, backfireproof baffle plate can carry out spacing to the movement of air outlet hole side to filter core, prevent motor, in the process of air-breathing, filter core is adsorbed onto air outlet hole place, thus improve the charging efficiency of motor,
Further, described air filter seat is also provided with waste gas inlet hole and the exhaust steam passage for waste gas being guided to described air outlet hole, the oil vapor that engine cylinder head is discharged is connected to waste gas inlet hole by flue gas leading, the oil gas entered in air filter from waste gas inlet hole can be guided to air outlet hole and be expelled in engine air inlet tube by exhaust steam passage, finally enter in cylinder and participate in burning, exhaust steam passage can be avoided oil vapor to flow to filter core and meet the cold machine oil that congeals at filter core place sticking in above filter core, affect the filtering 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, befouling environment,
Further, described air filter seat inwall is provided with the steering channel connecting waste gas inlet hole and air outlet hole, described backfireproof baffle plate is one-body molded to be had waste gas catch and closes described steering channel formation exhaust steam passage by this waste gas catch, steering channel is removed material by air filter seat inwall and is formed or arrange at least two bar shaped side plates formation at air filter seat inwall, utilize waste gas catch by steering channel top seal thus formed and there is better sealability exhaust steam passage, make the oil gas entered in air filter from waste gas inlet hole guide to air outlet hole and be expelled in engine air inlet tube, finally enter in cylinder and participate in burning.
Further, described steering channel is formed by least two guiding tendons being shaped in air filter seat inwall, waste gas catch and backfireproof baffle plate one-body molded, guiding tendon is also arranged with air filter seat integral type, waste gas catch hides above guiding tendon, make waste gas catch, between guiding tendon and air filter seat inwall, surround the airtight exhaust steam passage being formed and connect waste gas inlet hole and air outlet hole, guarantee that the waste gas entered from waste gas inlet hole can not flow to filter core, this arrangement, without the need to processing special runner in air filter seat, is conducive to the manufacture cost of saving motor;
Further, described steering channel is formed by air filter inner wall depression, and waste gas catch hides in this steering channel, thus forms the airtight exhaust steam passage connecting waste gas inlet hole and air outlet hole; Forming by removing material the deadweight that steering channel can alleviate air filter, being convenient to processing simultaneously.
Further, described backfireproof baffle plate extends to form mounting ear to both sides, described mounting ear downward bending makes itself and backfireproof baffle plate form " Ω " structure, mounting ear bottom surface and air filter seat inwall are fitted, Ω " backfireproof 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 air outlet hole smoothly;
Further, described air outlet hole comprises center hole and is respectively in the semicircle side opening that center bore is communicated with to both sides and with center hole, semicircle side opening effectively can increase the flow cross-section areas of air outlet hole, reduces air-flow by resistance during air outlet hole, makes engine charge more smooth and easy; Described air outlet hole both sides apportion has the mounting hole for fixedly mounting described backfireproof baffle plate, and the mounting ear of backfireproof baffle plate is also correspondingly provided with mounting hole site, during assembling, utilizes bolt to pass this mounting hole and is fixed in air filter seat reliably by backfireproof baffle plate;
Further, the area of described backfireproof baffle plate is less than the cross sectional area of described air outlet hole, therefore, a part of gas just can directly go out outside air filter by the slit flow between backfireproof baffle plate and air outlet hole without the need to changing to flow to, and reduces engine charge resistance further;
Further, described waste gas catch exterior edge face is arc surface, adopts arc surface when waste gas catch can be avoided to install and air filter seat interferes, and meanwhile, the semicircular part of waste gas catch can hide exhaust gas inlet, avoids waste gas streams to filter core;
The invention also discloses a kind of motor, described backfireproof air filter is installed on the suction tude of this motor, air filter of the present invention can prevent the flame of firing chamber from entering air-strainer by intake duct, Carburetor, burn filter core, and can prevent motor, in the process of air-breathing, filter core is drawn onto air filter air outlet hole place, thus improve charging efficiency.
The invention has the beneficial effects as follows: backfireproof air filter of the present invention, backfireproof baffle plate to be fixed in air filter seat and to shelter from the air outlet hole of air filter, when the flame in firing chamber is back to air filter by suction tude, will stop by backfireproof baffle plate, flame is avoided to scurry in air filter, burn filter core, backfireproof baffle plate of the present invention can directly be shaped in air filter seat or in air outlet hole, or adopt the detachable air filter seat inwalls that are fixed on of fastening piece such as bolt, backfireproof baffle plate can directly process air-flow path or enable to form gap between backfireproof baffle edge and air filter seat makes air-flow flow out outside air filter by air-flow path, this backfireproof baffle plate is avoided to impact engine charge, simultaneously, backfireproof baffle plate can carry out spacing to the movement of air outlet hole side to filter core, prevent motor, in the process of air-breathing, filter core is adsorbed onto air outlet hole place, thus improve the charging efficiency of motor.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of backfireproof baffle plate of the present invention;
Fig. 3 is the structural representation of air filter seat of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is the structural representation of backfireproof baffle plate 2 of the present invention, Fig. 3 is the structural representation of air filter seat of the present invention, as shown in the figure, the backfireproof air filter of the present embodiment, comprise there is air outlet hole air filter seat, be arranged at filter core in air filter seat and integral type or the detachable backfireproof baffle plate 2 being arranged at air filter seat, on described backfireproof baffle plate 2 and/or form the passage that gas is flowed out by air outlet hole between its edge and air filter seat, backfireproof baffle plate 2 to be fixed in air filter seat and to shelter from the air outlet hole of air filter, when the flame in firing chamber is back to air filter by suction tude, will stop by backfireproof baffle plate 2, flame is avoided to scurry in air filter, burn filter core, backfireproof baffle plate 2 of the present invention can directly be shaped in air filter seat or in air outlet hole, or adopt the detachable air filter seat inwalls that are fixed on of fastening piece such as bolt, backfireproof baffle plate 2 can directly process air-flow path or enable to form gap between backfireproof baffle plate 2 edge and air filter seat makes air-flow flow out outside air filter by air-flow path, this backfireproof baffle plate 2 pairs of engine charges are avoided to impact, simultaneously, backfireproof baffle plate 2 can carry out spacing to the movement of air outlet hole side to filter core, prevent motor, in the process of air-breathing, filter core is adsorbed onto air outlet hole place, thus improve the charging efficiency of motor.
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 being guided to described air outlet hole, the oil vapor that engine cylinder head is discharged is connected to waste gas inlet hole 5 by flue gas leading, the oil gas entered in air filter from waste gas inlet hole 5 can be guided to air outlet hole and be expelled in engine air inlet tube by exhaust steam passage 7, finally enter in cylinder and participate in burning, exhaust steam passage 7 can be avoided oil vapor to flow to filter core and meet the cold machine oil that congeals at filter core place sticking in above filter core, affect the filtering 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, befouling environment.
In the present embodiment, described air filter seat inwall is provided with the steering channel 7 connecting waste gas inlet hole 5 and air outlet hole, described backfireproof baffle plate 2 is one-body molded to be had waste gas catch 1 and closes described steering channel 7 by this waste gas catch 1 and form exhaust steam passage, steering channel 7 is removed material by air filter seat inwall and is formed or arrange at least two bar shaped side plates formation at air filter seat inwall, utilize waste gas catch 1 by steering channel 7 top seal thus formed and there is better sealability exhaust steam passage, make the oil gas entered in air filter from waste gas inlet hole 5 guide to air outlet hole and be expelled in engine air inlet tube, finally enter in cylinder and participate in burning.
In the present embodiment, described steering channel 7 is formed by least two guiding tendons 6 being shaped in air filter seat inwall, waste gas catch 1 is one-body molded with backfireproof baffle plate 2, guiding tendon 6 is also arranged with air filter seat integral type, waste gas catch 1 hides above guiding tendon 6, make waste gas catch 1, the airtight exhaust steam passage being formed and connect waste gas inlet hole 5 and air outlet hole is surrounded between guiding tendon 6 and air filter seat inwall, guarantee that the waste gas entered from waste gas inlet hole 5 can not flow to filter core, this arrangement without the need to processing special runner in air filter seat, be conducive to the manufacture cost of saving motor,
In the present embodiment, described steering channel 7 can also be formed by air filter inner wall depression, and waste gas catch 1 hides in this steering channel 7, thus forms the airtight exhaust steam passage connecting waste gas inlet hole 5 and air outlet hole; Forming by removing material the deadweight that steering channel 7 can alleviate air filter, being convenient to processing simultaneously.
In the present embodiment, described backfireproof baffle plate 2 extends to form mounting ear 3 to both sides, described mounting ear 3 downward bending makes itself and backfireproof baffle plate 2 form " Ω " structure, mounting ear 3 bottom surface and air filter seat inwall are fitted, Ω " backfireproof baffle plate 2 swells the gap being formed and air-flow is passed through in the middle part of structure, ensures that air-flow can flow out from air outlet hole smoothly.
In the present embodiment, described air outlet hole comprises center hole 4 and is respectively in the radial both sides of center hole 4 and the semicircle side opening 8 be communicated with center hole 4, semicircle side opening 8 effectively can increase the flow cross-section areas of air outlet hole, reduce air-flow by resistance during air outlet hole, make engine charge more smooth and easy, described air outlet hole both sides apportion has the mounting hole 9 for fixedly mounting described backfireproof baffle plate 2, the mounting ear 3 of backfireproof baffle plate 2 is also correspondingly provided with mounting hole 9, during assembling, utilize bolt to pass this mounting hole 9 backfireproof baffle plate 2 is fixed in air filter seat reliably.
In the present embodiment, the area of described backfireproof baffle plate 2 is less than the cross sectional area of described air outlet hole, therefore, a part of gas just can directly go out outside air filter by the slit flow between backfireproof baffle plate 2 and air outlet hole without the need to changing to flow to, and reduces engine charge resistance further.
In the present embodiment, described waste gas catch 1 exterior edge face is arc surface, adopts arc surface when waste gas catch 1 can be avoided to install and air filter seat interferes, and meanwhile, the semicircular part of waste gas catch 1 can hide exhaust gas inlet, avoids waste gas streams to filter core.
The invention also discloses a kind of motor, described backfireproof air filter is installed on the suction tude of this motor, air filter of the present invention can prevent the flame of firing chamber from entering air-strainer by intake duct, Carburetor, burn filter core, and can prevent motor, in the process of air-breathing, filter core is drawn onto air filter air outlet hole place, thus improve charging efficiency.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a backfireproof air filter, is characterized in that: comprise there is air outlet hole air filter seat, be arranged at filter core in air filter seat and integral type or the detachable backfireproof baffle plate be arranged in air filter seat; On described backfireproof baffle plate and/or form the passage that gas is flowed out by air outlet hole between its edge and air filter seat.
2. backfireproof air filter according to claim 1, is characterized in that: described air filter seat is also provided with waste gas inlet hole and the exhaust steam passage for waste gas being guided to described air outlet hole.
3. backfireproof air filter according to claim 2, it is characterized in that: described air filter seat inwall is provided with the steering channel connecting waste gas inlet hole and air outlet hole, described backfireproof baffle plate is one-body molded to be had waste gas catch and closes described steering channel formation exhaust steam passage by this waste gas catch.
4. backfireproof air filter according to claim 3, is characterized in that: described steering channel is formed by least two guiding tendons being shaped in air filter seat inwall.
5. backfireproof air filter according to claim 3, is characterized in that: described steering channel is formed by air filter inner wall depression.
6. backfireproof air filter according to claim 1, is characterized in that: described backfireproof baffle plate extends to form mounting ear to both sides, and described mounting ear downward bending makes itself and backfireproof baffle plate form " Ω " type structure.
7. backfireproof air filter according to claim 1, is characterized in that: described air outlet hole comprises center hole and is respectively in the semicircle side opening that center bore is communicated with to both sides and with center hole.
8. backfireproof air filter according to claim 1, is characterized in that: the area of described backfireproof baffle plate is less than the cross-section area of described air outlet hole.
9. backfireproof air filter according to claim 3, is characterized in that: described waste gas catch exterior edge face is arc surface.
10. application rights requires a motor for the backfireproof air filter described in the arbitrary claim of 1-9, it is characterized in that: described backfireproof air filter is installed on the suction tude of this motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036800.8A CN105508092B (en) | 2016-01-20 | 2016-01-20 | Anti-backfire air filter and its engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036800.8A CN105508092B (en) | 2016-01-20 | 2016-01-20 | Anti-backfire air filter and its engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508092A true CN105508092A (en) | 2016-04-20 |
| CN105508092B CN105508092B (en) | 2018-11-16 |
Family
ID=55716324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036800.8A Active CN105508092B (en) | 2016-01-20 | 2016-01-20 | Anti-backfire air filter and its engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508092B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185560A (en) * | 2019-06-27 | 2019-08-30 | 江苏江淮动力有限公司 | A kind of anti-backfire air filter |
| CN110725761A (en) * | 2019-10-16 | 2020-01-24 | 常州恒勃滤清器有限公司 | A flame retardant split-flow low-ventilation impedance air filter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001289130A (en) * | 2000-03-31 | 2001-10-19 | Honda Motor Co Ltd | Air cleaner |
| CN2499589Y (en) * | 2001-08-22 | 2002-07-10 | 珠海市绿能达科技有限公司 | Anti-back fire device for gas combustion automobile |
| TW200819619A (en) * | 2006-10-27 | 2008-05-01 | Sanyang Industry Co Ltd | Air filter with the fire-recirculation proof net and filtering unit separated |
| CN201258804Y (en) * | 2008-09-19 | 2009-06-17 | 五羊-本田摩托(广州)有限公司 | Novel air cleaner for motorcycle |
| CN103557100A (en) * | 2013-09-26 | 2014-02-05 | 浙江亚特电器有限公司 | Air filter capable of separating oil from vapor |
| CN205297787U (en) * | 2016-01-20 | 2016-06-08 | 隆鑫通用动力股份有限公司 | Empty filter and engine with anti -backfire baffle |
| CN205532939U (en) * | 2016-01-20 | 2016-08-31 | 隆鑫通用动力股份有限公司 | Empty filter anti -backfire subassembly and empty filter thereof |
-
2016
- 2016-01-20 CN CN201610036800.8A patent/CN105508092B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001289130A (en) * | 2000-03-31 | 2001-10-19 | Honda Motor Co Ltd | Air cleaner |
| CN2499589Y (en) * | 2001-08-22 | 2002-07-10 | 珠海市绿能达科技有限公司 | Anti-back fire device for gas combustion automobile |
| TW200819619A (en) * | 2006-10-27 | 2008-05-01 | Sanyang Industry Co Ltd | Air filter with the fire-recirculation proof net and filtering unit separated |
| CN201258804Y (en) * | 2008-09-19 | 2009-06-17 | 五羊-本田摩托(广州)有限公司 | Novel air cleaner for motorcycle |
| CN103557100A (en) * | 2013-09-26 | 2014-02-05 | 浙江亚特电器有限公司 | Air filter capable of separating oil from vapor |
| CN205297787U (en) * | 2016-01-20 | 2016-06-08 | 隆鑫通用动力股份有限公司 | Empty filter and engine with anti -backfire baffle |
| CN205532939U (en) * | 2016-01-20 | 2016-08-31 | 隆鑫通用动力股份有限公司 | Empty filter anti -backfire subassembly and empty filter thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185560A (en) * | 2019-06-27 | 2019-08-30 | 江苏江淮动力有限公司 | A kind of anti-backfire air filter |
| CN110725761A (en) * | 2019-10-16 | 2020-01-24 | 常州恒勃滤清器有限公司 | A flame retardant split-flow low-ventilation impedance air filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508092B (en) | 2018-11-16 |
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