CN204060989U - A kind of air prefilter - Google Patents
A kind of air prefilter Download PDFInfo
- Publication number
- CN204060989U CN204060989U CN201420438833.1U CN201420438833U CN204060989U CN 204060989 U CN204060989 U CN 204060989U CN 201420438833 U CN201420438833 U CN 201420438833U CN 204060989 U CN204060989 U CN 204060989U
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- Prior art keywords
- level
- dust discharge
- dust
- wind
- discharge room
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- Filtering Of Dispersed Particles In Gases (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Abstract
The utility model discloses a kind of air prefilter, comprise rain-proof cover, filter screen and at least two-stage dust exhaust from top to bottom successively, dust exhaust of the present utility model is respectively one-level dust exhaust and secondary dust exhaust, one-level dust exhaust comprises one-level wind-force guider, one-level wind gathering dish and one-level dust discharge room, one-level wind-force guider is fixedly connected with one-level dust discharge room, and one-level wind gathering dish is fixedly connected with one-level wind-force guider; Secondary dust exhaust comprises secondary wind-force guider and secondary dust discharge room, and secondary wind-force guider is fixedly connected with one-level dust discharge room, and one-level dust discharge room is fixedly connected with secondary dust discharge room.The airflow that air prefilter of the present utility model produces when making full use of engine suction; drive one-level dust discharge blade and secondary dust discharge blade High Rotation Speed; thus make dust external by dust exhaust port kickoff under the effect of powerful centrifugal force; thus protection motor avoid dust invasion and cause badly damaged, extend working life of motor.
Description
Technical field
The utility model relates to agricultural machinery air cleaning unit, is specifically related to a kind of air prefilter.
Background technique
At present, when Chinese national economy develops rapidly, livelihood issues has become the most important thing of society, bread is the staff of life, food comes from agricultural production, and can not treat during farm mechanization, farm mechanization both can be enhanced productivity, greatly can alleviate again the heavy labor amount of peasant, but the environment extreme difference in field makes the maintenance of agricultural machinery encounter new challenge.Such as a new reaper works and can use 10 years in good Environmental Conditions, and use only with 2 ~ 3 years in the rugged environment in field, its reason is that field dust flies upward, a large amount of dusts enters in the body of motor by the suction port of motor, serious wearing and tearing and destruction are carried out to engine interior, although motor is equipped with air-strainer, but because the dust that stirs up a cloud of dust is too much, if sand and dust enter to destroy steel cylinder piston and seal ring thereof, do not go if enter to stick and make engine charge deficiency cause motor heating over-emitting black exhaust on air filtering core, engine horsepower reduces greatly, until motor is badly damaged, existing air prefilter can not dust discharge automatically in addition, also need manually to topple over, also for operator of farm machinery increases one's load and the amount of labour.
Model utility content
Technical problem to be solved in the utility model is for Problems existing in background technique, provides a kind of air prefilter, realizes high-efficient purification air, thus extends the working life of motor.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of air prefilter, comprise rain-proof cover, filter screen and at least two-stage dust exhaust from top to bottom successively, described rain-proof cover is fixedly connected with filter screen, and filter screen is connected with dust exhaust, and described dust exhaust comprises wind-force guider, wind gathering dish and dust discharge room.
Described dust exhaust is two-stage dust exhaust, and be defined as one-level dust exhaust and secondary dust exhaust respectively, one-level dust exhaust is fixedly connected with secondary dust exhaust; Described one-level dust exhaust comprises one-level wind-force guider, one-level wind gathering dish and one-level dust discharge room, and one-level wind-force guider is fixedly connected with one-level dust discharge room, and one-level wind gathering dish is fixedly connected with one-level wind-force guider; Described secondary dust exhaust comprises secondary wind-force guider and secondary dust discharge room, and secondary wind-force guider is fixedly connected with one-level dust discharge room, and one-level dust discharge room is fixedly connected with secondary dust discharge room.
Described one-level wind-force guider surrounding is provided with step, step is provided with groove, filter screen embeds in groove and is fixedly connected with one-level wind-force guider, one-level wind-force guider center is provided with one-level wind-force guide cylinder, one-level wind-force guide cylinder top is provided with one cyclonic blade, one cyclonic blade one end is fixedly connected with one-level wind-force guide cylinder inwall, the other end is fixedly connected with end cap I, described end cap I center is provided with rotating shaft I, rotating shaft I lower end is flexibly connected one-level dust discharge blade, and one-level wind-force guide cylinder bottom is fixedly connected with one-level wind gathering dish.
Described one-level dust discharge room center chassis is provided with through hole, secondary wind-force guider is through through hole and one-level dust discharge room drive fit, secondary wind-force guider top is provided with secondary rotary air blade, the center of secondary rotary air blade is provided with end cap II, end cap II lower end is fixedly connected with secondary wind gathering dish, be provided with rotating shaft II in end cap II, rotating shaft II is flexibly connected with secondary dust discharge blade through secondary wind gathering dish.
Described chassis, one-level dust discharge room is provided with 3 ~ 6 dust discharge plates I, dust discharge plate I side and one-level dust discharge room sidewall compact siro spinning technology, dust discharge plate I opposite side and one-level dust discharge room sidewall leave opening, between dust discharge plate I and one-level dust discharge room sidewall, be provided with dust discharge baffle plate I, the dust discharge baffle plate I one-level dust discharge room chassis corresponding with opening is provided with dust exhausting hole I.
Described chassis, secondary dust discharge room is provided with 3 ~ 6 dust discharge plates II, dust discharge plate II side and secondary dust discharge room sidewall compact siro spinning technology, dust discharge plate II opposite side and secondary dust discharge room sidewall leave opening, between dust discharge plate II and secondary dust discharge room sidewall, be provided with dust discharge baffle plate II, the dust discharge baffle plate II secondary dust discharge room chassis corresponding with opening is provided with dust exhausting hole II.
The angle of described one cyclonic blade and substantially horizontal is 30 ~ 60 °.
The angle of described secondary rotary air blade and substantially horizontal is 30 ~ 60 °.
Establish round-meshed circular wind gathering dish centered by described one-level wind gathering dish, the diameter of described circular hole is less than the internal diameter of one-level wind-force guide cylinder, and one-level dust discharge blade is positioned at one-level wind-force guide cylinder bottom and one-level dust discharge room upper area through circular hole.
The upper diameter of described secondary wind gathering dish is less than lower diameter.
The beneficial effects of the utility model: the 1. airflow produced when air prefilter of the present utility model makes full use of engine suction, drive one-level dust discharge blade and secondary dust discharge blade High Rotation Speed, thus make dust external by dust exhaust port kickoff under the effect of powerful centrifugal force, thus protection motor avoid dust invasion and cause badly damaged, extend working life of motor; 2. one-level dust exhaust realizes the discharge i.e. thick row of larger particles dust, thus alleviate the load of secondary dust discharge, secondary dust exhaust realizes the discharge i.e. thin row of relatively fine particle dust, discharge extra-organismal dust without one-level dust exhaust and enter secondary dust exhaust, because the distinctive upper diameter of secondary wind gathering dish is less than the tube structure of lower diameter, make the whirlwind eddy current through secondary wind-force guider have larger tangential force, thus drive relatively fine particle dust to discharge outside body; 3. one-level dust discharge room and chassis, secondary dust discharge room are provided with dust exhausting hole, dust is discharged automatically, avoids the trouble of manually toppling over, thus alleviate burden and the amount of labour of operator of farm machinery.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is stereogram of the present utility model.
Fig. 3 is the plan view of one-level dust discharge room of the present utility model.
Fig. 4 is the plan view of secondary wind gathering dish of the present utility model.
Embodiment
Below in conjunction with embodiment, be further explained explanation to the utility model, but the utility model is not limited to following embodiment, every equivalent deformation carried out following technical proposals is all in protection domain of the present utility model.
As depicted in figs. 1 and 2, the air prefilter of the present embodiment, comprise rain-proof cover 1, filter screen 2 and dust exhaust from top to bottom successively, rain-proof cover 1 is fixedly connected with filter screen 2, filter screen 2 is provided with filtering hole, the dust exhaust of the present embodiment is divided into two-stage, is respectively one-level dust exhaust and secondary dust exhaust; Filter screen 2 is fixedly connected with one-level dust exhaust, one-level dust exhaust comprises one-level wind-force guider 3, one-level wind gathering dish 4 and one-level dust discharge room 6, one-level wind-force guider 3 is fixedly connected with by screw with one-level dust discharge room 6, and one-level wind gathering dish 4 is fixedly connected with by screw with one-level wind-force guider 3; One-level wind-force guider 3 surrounding is provided with step, step is provided with groove, filter screen 2 to be embedded in groove and is fixedly connected with one-level wind-force guider 3 by screw, one-level wind-force guider 3 center is provided with one-level wind-force guide cylinder 15, one-level wind-force guide cylinder 15 top is provided with one cyclonic blade 13, one cyclonic blade 13 one end is fixedly connected with one-level wind-force guide cylinder 15 inwall, one cyclonic blade 13 is 30 ~ 60 ° with the angle of substantially horizontal, and one cyclonic blade 13 the other end is fixedly connected with end cap I 14; End cap I 14 center is provided with one-level rotating shaft, and one-level rotating shaft lower end is flexibly connected one-level dust discharge blade 5.
One-level wind-force guide cylinder 15 bottom is fixedly connected with one-level wind gathering dish 4, one-level wind gathering dish 4 center is provided with circular hole, the diameter of circular hole is less than the internal diameter of one-level wind-force guide cylinder 15, one-level dust discharge blade 5 is positioned at 15 bottoms and one-level dust discharge room 6 upper area under one-level wind-force guide cylinder through circular hole, one-level wind gathering dish 4 puts together the air intake by one-level wind-force guider 3, strengthens the Driving force of air-flow with this.
Chassis, one-level dust discharge room 6 is provided with 5 dust discharge plates I 16, dust discharge plate I 16 side and one-level dust discharge room 6 sidewall compact siro spinning technology, dust discharge plate I 16 opposite side and one-level dust discharge room 6 sidewall leave gap, between dust discharge plate I 16 and one-level dust discharge room 6 sidewall, be provided with dust discharge baffle plate I 17, dust discharge baffle plate I 17 one-level dust discharge room 6 chassis corresponding with opening is provided with dust exhausting hole I 18.
The filtering hole of air containing sandy soil on filter screen 2 enters one-level dust exhaust, change after one cyclonic blade 13 and flow to, form rotating vortex, one-level dust discharge blade 5 borrows the Driving force of volute air blast to run up, and produces rotary centrifugal force, and the thick dirt entering one-level dust discharge room 6 is peripheral by the chassis of getting rid of to one-level dust discharge room 6 under the effect of this centrifugal force, then discharge from dust exhausting hole I 18, thus reach and slightly arrange effect, alleviate the load of secondary dust discharge, to reach better dust discharge effect.
Secondary dust exhaust comprises secondary wind-force guider 7 and secondary dust discharge room 10, and one-level dust discharge room 6 center chassis is provided with through hole, and secondary wind-force guider 7 is through through hole and one-level dust discharge room 6 drive fit, and one-level dust discharge room 6 is fixedly connected with secondary dust discharge room; Chassis, secondary dust discharge room 10 is provided with 5 dust discharge plates II, dust discharge plate II side and secondary dust discharge room 10 sidewall compact siro spinning technology, dust discharge plate II opposite side and secondary dust discharge room 10 sidewall leave gap, between dust discharge plate II and secondary dust discharge room sidewall, be provided with dust discharge baffle plate II, dust discharge baffle plate II secondary dust discharge room 10 chassis corresponding with opening is provided with dust exhausting hole II 19.
Secondary wind-force guider 7 top is provided with secondary rotary air blade 11, secondary rotary air blade 11 is 30 ~ 60 ° with the angle of substantially horizontal, the center of secondary rotary air blade 11 is provided with end cap II 12, end cap II 12 lower end is fixedly connected with secondary wind gathering dish 9, secondary wind gathering dish 9 is less than the tube structure of lower diameter for upper diameter, be provided with rotating shaft II in end cap II 12, rotating shaft II is flexibly connected with secondary dust discharge blade 8 through secondary wind gathering dish 9; That comes in after one-level dust exhaust makes it form swirling eddy containing thin dirt air-flow by secondary wind-force guider 7; secondary dust discharge blade 8 runs up under the promotion of swirling eddy; the relatively fine particle dust falling into secondary dust discharge room 10 is discharged outside body by dust exhausting hole II 19; to reach the effect of thin row, reach the anticipated optimal set effect that pure qi (oxygen) enters machine.
Working principle of the present utility model: the air blast produced when dust discharge prefilter makes full use of engine suction automatically, these air blasts are carried out altering course the strong eddy current making it form a kind of tornado shape in body, then the fast rotational of eddy current is utilized to promote built-in one-level dust discharge blade and secondary dust discharge blade, blade rotational speed is made to reach 7000 ~ 8000r/min, when dust is by getting rid of to dust exhaust port by the powerful centrifugal force produced dust when one-level dust discharge blade and secondary dust discharge blade, dust is discharged outside body.
Claims (10)
1. an air prefilter, comprise rain-proof cover, filter screen and at least two-stage dust exhaust from top to bottom successively, it is characterized in that: described rain-proof cover is fixedly connected with filter screen, and filter screen is connected with dust exhaust, described dust exhaust comprises wind-force guider, wind gathering dish and dust discharge room.
2. air prefilter according to claim 1, is characterized in that: described dust exhaust is two-stage dust exhaust, and be defined as one-level dust exhaust and secondary dust exhaust respectively, one-level dust exhaust is fixedly connected with secondary dust exhaust; Described one-level dust exhaust comprises one-level wind-force guider, one-level wind gathering dish and one-level dust discharge room, and one-level wind-force guider is fixedly connected with one-level dust discharge room, and one-level wind gathering dish is fixedly connected with one-level wind-force guider; Described secondary dust exhaust comprises secondary wind-force guider and secondary dust discharge room, and secondary wind-force guider is fixedly connected with one-level dust discharge room, and one-level dust discharge room is fixedly connected with secondary dust discharge room.
3. air prefilter according to claim 2, it is characterized in that: described one-level wind-force guider surrounding is provided with step, step is provided with groove, filter screen embeds in groove and is fixedly connected with one-level wind-force guider, one-level wind-force guider center is provided with one-level wind-force guide cylinder, one-level wind-force guide cylinder top is provided with one cyclonic blade, one cyclonic blade one end is fixedly connected with one-level wind-force guide cylinder inwall, the other end is fixedly connected with end cap I, described end cap I center is provided with rotating shaft I, rotating shaft I lower end is flexibly connected one-level dust discharge blade, one-level wind-force guide cylinder bottom is fixedly connected with one-level wind gathering dish.
4. air prefilter according to claim 2, it is characterized in that: described one-level dust discharge room center chassis is provided with through hole, secondary wind-force guider is through through hole and one-level dust discharge room drive fit, secondary wind-force guider top is provided with secondary rotary air blade, the center of secondary rotary air blade is provided with end cap II, end cap II lower end is fixedly connected with secondary wind gathering dish, is provided with rotating shaft II in end cap II, and rotating shaft II is flexibly connected with secondary dust discharge blade through secondary wind gathering dish.
5. air prefilter according to claim 2, it is characterized in that: described chassis, one-level dust discharge room is provided with 3 ~ 6 dust discharge plates I, dust discharge plate I side and one-level dust discharge room sidewall compact siro spinning technology, dust discharge plate I opposite side and one-level dust discharge room sidewall leave opening, between dust discharge plate I and one-level dust discharge room sidewall, be provided with dust discharge baffle plate I, the dust discharge baffle plate I one-level dust discharge room chassis corresponding with opening is provided with dust exhausting hole I.
6. air prefilter according to claim 2, it is characterized in that: described chassis, secondary dust discharge room is provided with 3 ~ 6 dust discharge plates II, dust discharge plate II side and secondary dust discharge room sidewall compact siro spinning technology, dust discharge plate II opposite side and secondary dust discharge room sidewall leave opening, between dust discharge plate II and secondary dust discharge room sidewall, be provided with dust discharge baffle plate II, the dust discharge baffle plate II secondary dust discharge room chassis corresponding with opening is provided with dust exhausting hole II.
7. air prefilter according to claim 3, is characterized in that: the angle of described one cyclonic blade and substantially horizontal is 30 ~ 60 °.
8. air prefilter according to claim 4, is characterized in that: the angle of described secondary rotary air blade and substantially horizontal is 30 ~ 60 °.
9. air prefilter according to claim 2, it is characterized in that: centered by described one-level wind gathering dish, establish round-meshed circular wind gathering dish, the diameter of described circular hole is less than the internal diameter of one-level wind-force guide cylinder, and one-level dust discharge blade is positioned at one-level wind-force guide cylinder bottom and one-level dust discharge room upper area through circular hole.
10. air prefilter according to claim 4, is characterized in that: the upper diameter of described secondary wind gathering dish is less than lower diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438833.1U CN204060989U (en) | 2014-08-06 | 2014-08-06 | A kind of air prefilter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438833.1U CN204060989U (en) | 2014-08-06 | 2014-08-06 | A kind of air prefilter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060989U true CN204060989U (en) | 2014-12-31 |
Family
ID=52202520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420438833.1U Expired - Fee Related CN204060989U (en) | 2014-08-06 | 2014-08-06 | A kind of air prefilter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204060989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678877A (en) * | 2018-03-26 | 2018-10-19 | 潍柴动力股份有限公司 | Air prefilter and air filtration system for engine |
-
2014
- 2014-08-06 CN CN201420438833.1U patent/CN204060989U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678877A (en) * | 2018-03-26 | 2018-10-19 | 潍柴动力股份有限公司 | Air prefilter and air filtration system for engine |
| CN108678877B (en) * | 2018-03-26 | 2019-12-10 | 潍柴动力股份有限公司 | Air pre-filter for engine and air filtering system |
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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 |
Granted publication date: 20141231 Termination date: 20150806 |
|
| EXPY | Termination of patent right or utility model |