CN204755133U - Engine filtration bypass device - Google Patents
Engine filtration bypass device Download PDFInfo
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- CN204755133U CN204755133U CN201520349470.9U CN201520349470U CN204755133U CN 204755133 U CN204755133 U CN 204755133U CN 201520349470 U CN201520349470 U CN 201520349470U CN 204755133 U CN204755133 U CN 204755133U
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Abstract
The utility model provides an air filter internal -external differential pressure is greater than or equal to during 1KPa opens the automation, otherwise will be at the closed condition that engine filtration bypass device covers at the entry end of crossing the filter core that mobilizes owner filter equipment, and it has the through -hole to open, installs filtration bypass device on the through -hole, and filtration bypass device is when main filtration ware. Filtration bypass device is opened and close by spring control flap's, and spring normal close stop valve is installed on the access road of supplementary filtration device. Appearing blockking up as main air cleaner, when leading to influencing the air supply of engine, will starting supplementary air filter, the outside air will filter the back through supplementary air filter and be the engine air supply. Air filter includes main air cleaner, and it has one set of supplementary air filtration system to set up on main air cleaner's side, when supplementary air filtration system results in internal -external differential pressure is greater than or equal to 1KPa at main air filter because of dust, impurity stop up, puts into operation to the assurance engine runs well.
Description
Technical field
The utility model relates to a kind of part device of motor, is specifically related to a kind of auxiliary bypass valve of air filtering device of engine, belongs to engine air filtration art, is mainly used in operating mode place very in rugged environment.
background technique:
Air-strainer is the device that motor filters the dust in air, impurity when working air inlet, when the blocking such as dust, impurity is to certain degree, all can form certain resistance and impact to air inflow and intake velocity etc., finally cause tripping operation and quit work.Current solution is all adopt alarm set; prompting maintenance personnel enter newly cleaning or more renew cartridge; but cleaning or more renew cartridge must shut down, can cause damage to a certain extent, and if alarm set is malfunctioning or cleaning, change will cause not in time motor shut down and cause damage.
At present block for filter cleaner the solution causing motor trip to remind mainly through warning device, if device is malfunctioning or process not in time, motor just can trip and cause damage, while more renew cartridge time must shut down and also can cause certain loss.Therefore necessary this to be improved.
Do not find that there is the patent literature constructed with the utility model by patent retrieval, to have the patent of certain relation to mainly contain following with the utility model:
1, the patent No. is CN200620033024, name is called the utility model patent of " a kind of air filter element cleaning device for internal combustion engine ", which disclose a kind of air filter element cleaning device for internal combustion engine, in particular to the washing unit of mining heavy-duty air filtering core, comprise power input portion, cleaning part and control of dust part, power input portion comprises motor, retarder, motor is connected by coupling with retarder, cleaning part comprises suction tude, flexible pipe, pneumatic motor, sprocket wheel, rotating shaft, cleaning tracheae, cleaning shower nozzle, filter core holding device, suction tude by threeway respectively with pneumatic motor, flexible pipe is connected, the other end of flexible pipe is connected with cleaning tracheae, dust collecting section is divided and is comprised casing, collection bag, collection bag fixing device and ventilating fan, filter core holding device is positioned at the top of casing, collection bag is bound in the bottom of casing by collection bag fixing device.
2, the patent No. is CN201010271458, name is called the utility model patent of " the dismounting separation and recovery method of recycling air filter element of internal combustion engine ", which disclose a kind of dismounting separation and recovery method of recycling air filter element of internal combustion engine, after system makes recycling air filter element of internal combustion engine move into heating-up zone by conveyor belt, the metal cap body of this recycling air filter element of internal combustion engine first end is made to contact the high-temperature portion of this heating-up zone, and come unstuck with the outer sleeve of recycling air filter element of internal combustion engine, with the metal cap body of this end of removal, after making recycling air filter element of internal combustion engine move into heating-up zone by conveyor belt again, the metal cap body of this recycling air filter element of internal combustion engine second end is made to contact the high-temperature portion of this heating-up zone, and come unstuck with the outer sleeve of recycling air filter element of internal combustion engine, with the metal cap body of this end of removal, again the filter core being arranged in outer sleeve is outwards ejected, and complete the dismounting of recycling air filter element of internal combustion engine, be separated and reclaim.
3, the patent No. is CN201220261956, name is called the utility model patent of " half wet type air filter core ", which disclose a kind of half wet type air filter core, internal layer rhombus net, outer rhombus net composition filter cylinder, filter cylinder adopts cylinder design, is provided with composite fiber between internal layer rhombus net, outer rhombus net, and composite fiber adopts wheel tooth-like formation, composite fiber is provided with aluminium flake joint strip at junction point and closes, composite fiber inner and outer surface parcel aluminium alloy screen net; Be provided with borehole structure in the middle part of upper end cap, lower end cap is provided with handle in the middle part of bottom surface; Aluminium alloy screen net, internal layer rhombus net, outer rhombus net adopt adhesive and upper end cap, lower end cap to be adhesively fixed respectively at two ends; Outer rhombus net outer surface parcel micro porous filtration sponge, micro porous filtration sponge is made up of perforate soft bubble sponge; Composite fiber, the spray coated oil strain of micro porous filtration sponge surface.
4, the patent No. is CN201310128631, name is called the utility model patent of " a kind of air filtering core dusting apparatus ", which disclose a kind of air filtering core dusting apparatus, comprise the air intake assembly, dedusting assembly and the discharge means that are connected successively by gas transmission pipeline, and be positioned at described air intake assembly, the top of dedusting assembly and discharge means and the barometer be connected with air intake assembly, dedusting assembly and discharge means respectively by gas detect pipeline.Air filtering core dusting apparatus described in the utility model, can overcome unreasonable structure in prior art, feature of environmental protection difference and use the defects such as inconvenient, reasonable with implementation structure, the feature of environmental protection good and advantage easy to use.
Although these patents above-mentioned all relate to airfiltering dedusting, it is also proposed the improvement that some are structural, but all fundamentally do not change airfiltering dedusting method, when all not proposing how to solve filter cleaner blocking, the problem that motor occurs tripping because lacking air, therefore still needs to be improved further.
Model utility content
The purpose of this utility model is to block for existing air-strainer the problem easily causing motor to trip, a kind of by-pass collar can automatically can opened when starting owner's filtration core to block is proposed, when can effectively prevent air-strainer from blocking, motor can because lacking the device of air tripping operation, this prevents motor tripgear can when air-strainer blocks, still keep air can continue to enter according to the needs of motor, ensure that motor can not trip because air lacks.
In order to reach this purpose, the utility model provides a kind of engine air and filters by-pass collar, cover at the entry end of the filtration core starting owner's filtrating equipment, have through hole, through hole is provided with air-filtering by-pass collar, air-filtering by-pass collar will be opened automatically as the air filter in-core external pressure difference≤1KPa of primary air filter, otherwise will be in closed condition.
Further, described air-filtering by-pass collar is spring normally closed cut-off valve, and by the keying of spring controlled valve door, spring normally closed cut-off valve is arranged on the inlet channel of auxiliary air filtrating equipment.
Further, described spring normally closed cut-off valve comprises seal ring, bypass base, spring bracket, spring pedestal, spring and valve pad; Seal ring is close on the edge bar of bypass base, and is arranged on the inlet end portion starting owner's filtration core together with bypass base, and bypass base has by-pass hole, and by-pass hole is provided with spring bracket, and spring fitting is in spring bracket.Between spring and the by-pass hole of bypass base, have one for opening or close the valve pad of by-pass hole, valve pad by the spring pedestal of spring top in bypass base, then compresses valve pad by spring pedestal, makes by-pass hole be in closed state; As air filter in-core external pressure difference≤1KPa, under the atmospheric effect in outside, valve pad will overcome the pressure of spring, open bypass passageways.
Further, described valve pad is that soft material makes.
Further, described valve pad is rubber pad.
The utility model has the advantage of:
The utility model increases by-pass collar on the basis of original air cleaner cartridge, solves current engine power generation industry two large problems:
1, remain air filtering core inside and outside differential pressure <1KPa, ensure that motor runs well all the time;
Do not need to shut down when 2, cleaning, more renew cartridge.
The utility model has huge use value to the occasion that can not shut down easily that need operate continuously especially.
Accompanying drawing explanation
Fig. 1 is an example structure schematic diagram of the present utility model;
The safe by-pass collar structural representation of Fig. 2.
Embodiment
The utility model is set forth further below in conjunction with the drawings and specific embodiments.
Can find out basic principle of the present utility model from accompanying drawing 1, the utility model arranges an air-filtering by-pass collar 3 on the air inlet end cap 2 of the primary air filter 1 of motor; At primary air filter 1 because of dust, impurity blocking, when causing interior outer pressure reduction≤1KPa, air-filtering by-pass collar 3 will be opened and put into operation, to ensure normal working of engine.
Embodiment one
Can be found out by accompanying drawing 2, the utility model relates to a kind of engine air and filters by-pass collar, the air inlet end cap 2 of motor primary air filter 1 has through hole, through hole is provided with air-filtering by-pass collar 3, air-filtering by-pass collar 3 will be opened automatically as the air filter in-core external pressure difference≤1KPa of primary air filter, otherwise will be in closed condition.
Described air-filtering by-pass collar 3 is spring normally closed cut-off valve, and by the keying of spring 7 control valve, spring normally closed cut-off valve is arranged on the inlet channel of auxiliary air filtrating equipment.
Described spring normally closed cut-off valve comprises seal ring 4, bypass base 5, spring bracket 6, spring pedestal 8, spring 7 and valve pad 10; Seal ring 4 is close on the edge bar 11 of bypass base 5, and is arranged on the inlet end portion starting owner's filtration core together with bypass base 5, and bypass base 5 has by-pass hole 9, and by-pass hole 9 is provided with spring bracket 6, and spring 7 is arranged in spring bracket 6.Between spring 7 and the by-pass hole 9 of bypass base 5, have one for opening or close the valve pad 10 of by-pass hole, valve pad 10 by the spring pedestal 8 of spring top in bypass base, then compresses valve pad 10 by spring pedestal 8, makes by-pass hole be in closed state; As air filter in-core external pressure difference≤1KPa, under the atmospheric effect in outside, valve pad will overcome the pressure of spring, open bypass passageways.
Described valve pad 10 is soft material making.
Described valve pad 10 is rubber pad.
Working principle is: during engine work, air flows through safety filter element by air filtering core and provides clean air to engine aspirating system, when air filtering core blocks cause interior outer pressure reduction≤1KPa because of dust, impurity, safe by-pass collar is opened, air flows through safety filter element through bypass valve and provides air to engine aspirating system, ensure normal working of engine, cleaning in time simultaneously or replacing air filtering core.
Above-mentioned listed embodiment, just carries out clear, complete description to the technical solution of the utility model by reference to the accompanying drawings; Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model has the advantage of:
The utility model increases safety filter element and by-pass collar on the basis of original air cleaner cartridge, when main cartridge occurs that the situation of blocking occurs, by shunting device and safety filter element to the air needed for motor supply, solve current engine power generation industry two large problems:
1, can, when blocking appears in main filtration core, motor be avoided to occur trip phenomenon because lacking air.
2, air filtering core inside and outside differential pressure <1KPa can be remained, ensure that motor runs well all the time;
3, do not need to shut down when cleaning, more renew cartridge.
The utility model has huge use value to the occasion that can not shut down easily that need operate continuously especially.
Claims (5)
1. an engine air filters by-pass collar, it is characterized in that: cover at the entry end of the filtration core starting owner's filtrating equipment, have through hole, through hole is provided with air-filtering by-pass collar, air-filtering by-pass collar will be opened automatically as the air filter in-core external pressure difference≤1KPa of primary air filter, otherwise will be in closed condition.
2. engine air as claimed in claim 1 filters by-pass collar, it is characterized in that: described air-filtering by-pass collar is spring normally closed cut-off valve, by the keying of spring controlled valve door, spring normally closed cut-off valve is arranged on the inlet channel of auxiliary air filtrating equipment.
3. engine air as claimed in claim 2 filters by-pass collar, it is characterized in that: described spring normally closed cut-off valve comprises seal ring, bypass base, spring bracket, spring pedestal, spring and valve pad; Seal ring is close on the edge bar of bypass base, and is arranged on the inlet end portion starting owner's filtration core together with bypass base, and bypass base has by-pass hole, and by-pass hole is provided with spring bracket, and spring fitting is in spring bracket; Between spring and the by-pass hole of bypass base, have one for opening or close the valve pad of by-pass hole, valve pad by the spring pedestal of spring top in bypass base, then compresses valve pad by spring pedestal, makes by-pass hole be in closed state; As air filter in-core external pressure difference≤1KPa, under the atmospheric effect in outside, valve pad will overcome the pressure of spring, open bypass passageways.
4. engine air as claimed in claim 3 filters by-pass collar, it is characterized in that: described valve pad is that soft material makes.
5. engine air as claimed in claim 4 filters by-pass collar, it is characterized in that: described valve pad is rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520349470.9U CN204755133U (en) | 2015-05-27 | 2015-05-27 | Engine filtration bypass device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520349470.9U CN204755133U (en) | 2015-05-27 | 2015-05-27 | Engine filtration bypass device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755133U true CN204755133U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520349470.9U Active CN204755133U (en) | 2015-05-27 | 2015-05-27 | Engine filtration bypass device |
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| Country | Link |
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| CN (1) | CN204755133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163351A (en) * | 2022-08-17 | 2022-10-11 | 江铃汽车股份有限公司 | Carbon tank air filter, fuel evaporation control system and self-dedusting method |
-
2015
- 2015-05-27 CN CN201520349470.9U patent/CN204755133U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163351A (en) * | 2022-08-17 | 2022-10-11 | 江铃汽车股份有限公司 | Carbon tank air filter, fuel evaporation control system and self-dedusting method |
| CN115163351B (en) * | 2022-08-17 | 2023-12-05 | 江铃汽车股份有限公司 | Carbon tank air filter, fuel evaporation control system and self-dedusting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |