CN203214200U - Oil bath type three-stage air filter for diesel engine - Google Patents
Oil bath type three-stage air filter for diesel engine Download PDFInfo
- Publication number
- CN203214200U CN203214200U CN 201320173703 CN201320173703U CN203214200U CN 203214200 U CN203214200 U CN 203214200U CN 201320173703 CN201320173703 CN 201320173703 CN 201320173703 U CN201320173703 U CN 201320173703U CN 203214200 U CN203214200 U CN 203214200U
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- lower casing
- casing
- diesel engine
- oil bath
- bath type
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Abstract
The utility model discloses an oil bath type three-stage air filter for a diesel engine. The oil bath type three-stage air filter for the diesel engine comprises a lower casing and an upper casing, the side surface of the lower casing is connected with an air inlet connecting pipe which is communicated with an air inlet channel of the engine, the joint of the upper casing and the lower casing is provided with a centrifugal blade window which surrounds on the circumference of the lower casing, the outer side surface of the upper casing is provided with tangential inclined windows for separating relative large dust particles, a central air pipe is arranged between the inner cavity of the upper casing and the inner cavity of the lower casing, the portion of the centrifugal blade window, which extends towards the center of the lower casing, is connected with the outer wall of the upper end of the central air pipe, an oil-separating tank is arranged at the bottom of the inner cavity of the lower casing and below the central air pipe, and a filter element made of polyester is arranged between the outer wall of the lower end of the central air pipe and the inner wall of the lower casing. According to the oil bath type three-stage air filter for the diesel engine, the filtration efficiency of the filter is greatly improved through a three-stage filtration; the centrifugal blade window is combined with the tangential inclined windows, so that the filtration pressure of two-stage filtration and three-stage filtration is reduced; an isolation tank can absorb the dust particles in engine oil, so that the gas-dust separation effect is improved; the filter element made of polyester is utilized, so that the filtration effect is good and the service life is long.
Description
Technical field
The utility model relates to the diesel engine technologies field, three grades of air-strainer of especially a kind of used for diesel engine oil bath type.
Background technique
China's single cylinder diesel engine recoverable amount is more than 8,000,000 at present, and its air filtration unit mainly uses the empty filter of former single-stage papery, the empty filter of two-stage oil bath type or three grades of empty filters of iron-clad wire gaze.But the empty filter of unit papery filtering weak effect, life-span weak point are fit to agricultural machinery and use; Empty its filtering weak effect, easy to crack of filter of three grades of oil bath types of iron-clad wire gaze, its wire easily gets rusty to rupture and enters cylinder and damage motor, the filtering efficiency of this sky filter has only 60～70%, far do not reach the requirement of GB 99.5%, and resistance is big, cause oil shortage ratio also to exceed standard far away, had a strong impact on the power performance of motor.
The model utility content
The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, three grades of air-strainer of used for diesel engine oil bath type of a kind of good filtration effect, long service life are provided.
The technological scheme that its technical problem that solves the utility model adopts is: three grades of air-strainer of a kind of used for diesel engine oil bath type, comprise lower casing, be located at the upper casing of lower casing upper end, the lower casing side is connected with the air inlet tube that is communicated with engine intake passage, described upper casing and lower casing junction be provided with around the lower casing circumferential hoop around the centrifugal blade window, the upper casing outer side surface is provided with the tangential tiltedly window for separating of big dust particle, be provided with the center tracheae between upper casing inner chamber and the lower casing inner chamber, the centrifugal blade window is connected with center tracheae upper end outer wall to the extension at lower casing center, the lower casing intracavity bottom is positioned at tracheae below, center and is provided with oil interceptor, is provided with the filter core that material is polyester between center tracheae lower end outer wall and lower casing inwall.
Further, for improving separating effect, described upper casing outer side surface has the plane of inclination, offers at least three circumferentially uniform tangential tiltedly windows on the plane of inclination.
For improving the rotation direction effect of air intake, described centrifugal blade window has circumferentially uniform guide vane, and the channelization angle of described guide vane is 30 °～60 °.
Described filter core is fixed between center tracheae periphery and the lower casing inwall by the filter core frame.
The beneficial effects of the utility model are: the utility model passes through three-stage filtration, greatly improved the filter efficiency of filter cleaner, the centrifugal blade window be combined with tangential tiltedly window alleviated two, the filtering pressure of three-stage filtration, isolation tank can be adsorbed on grit in the machine oil, thereby the relative cleaning of maintenance isolation tank outside machine oil, improve gas, dirt separating effect, the filter core filtering of adopting polyester to make is effective, long service life.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is structural representation of the present utility model.
1. lower casings, 2. upper casings, 3. air inlet tubes, 4. centrifugal blade windows, 41. guide vanes, 5. tangential tiltedly window 6. center tracheaes 7. oil interceptors 8. filter cores 9. filter core frames among the figure
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic representation that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
Three grades of air-strainer of a kind of used for diesel engine oil bath type as shown in Figure 1, comprise lower casing 1, be located at the upper casing 2 of lower casing 1 upper end, lower casing 1 and upper casing 2 all adopt nylon material to make, use noise to reduce, also prevent simultaneously the housing of originally making of ferrous material from being shaken easily and produced the phenomenon of cracking, be connected with the air inlet tube 3 that is communicated with engine intake passage in lower casing 1 side, be provided with center tracheae 6 between upper casing 2 inner chambers and lower casing 1 inner chamber, material is that the filter core 8 of polyester is fixed between center tracheae 6 lower end peripheries and lower casing 1 inwall by filter core frame 9, filter core 8 comprises the coarse filter element of lower floor and the fine filtering core on upper strata, and air inlet tube 6 is above the position on the lower casing 1 is in filter core 8.
Be provided with in upper casing 2 bottoms and junction, lower casing 1 top around lower casing 1 circumferential hoop around centrifugal blade window 4, this centrifugal blade window 4 is angular cut cover plates that are similar to shutter, centrifugal blade window 4 has circumferentially uniform guide vane 41, to improve the rotation direction effect of air intake, the channelization angle of described guide vane 41 is 45 °, centrifugal blade window 4 is connected and fixed to extension and the center tracheae 6 upper end outer walls at lower casing 1 center, thereby lower casing 1 is positioned at cavity and center tracheae 6 inner compartment of filter core 8 tops.
Below lower casing 1 intracavity bottom is positioned at center tracheae 6, for reserve, be provided with oil interceptor 7 in this reserve central position, during use machine oil added to oil interceptor 7 top side location.
Above-mentioned centrifugal blade window 4 and tangential tiltedly window 5 have constituted the one-level of engine charge have been filtered, and oil interceptor 7 and the machine oil that adds form cascade filtration, filter core 8 then formation to the three-stage filtration of gas.
Working principle of the present utility model is: during diesel engine work, air is tangentially sucked at a high speed between the guide vane 41 of centrifugal blade window 4, and it is then worsened earlier, because gas produces strong eddy current under the guide functions of guide vane 41, final gas enters in the upper casing 2 with spiral motion, air with spiral motion earlier on during worsened turning then, bigger dust particle in the air is because centrifugal action has little time turning, just be reversed dedusting with air separation from tangential tiltedly window 6 and throw away, reached the first filter effect superpower to the gas one-level; Air through one-level filter is just turned downwards, rush at the oil interceptor 7 of lower casing 1 bottom reserve through center tracheae 6 inside, and then turn upwards, when the oil sump of lower casing 1 bottom reserve is blown in the air turning, airborne micronic dust particle is adsorbed by machine oil again, after the air that this moment, most of impurity was filtered passes through the filtration of thick, thin two-layer filter core 8 again, air has passed through three-stage filtration, thereby reached the filtering efficiency more than 99.5%, entered in the motor from air inlet tube 3 through the air behind the three-stage filtration.
The centrifugal blade window 4 that the utility model arranges between upper and lower shell 2,1, compare with original less centrifugal rough filtering device of series connection, greatly improved the filtering ability, alleviated two, the filtering pressure of three-stage filtration, because it is outer that grit was thrown away upper casing 2 automatically when one-level was filtered, thereby make the clean time of filter cleaner and obtained prolongation working life; The isolation tank 7 that in lower casing 1 oil sump, arranges, can be adsorbed on the grit that has little time to turn in the machine oil of isolation tank inboard, thereby the relative cleaning that keeps isolation tank 7 outside machine oil, also kept relative cleaning by the part machine oil of band upper filter 8 together so with the wind, reached the effective prolongation filter core effect in 8 working lifes.
The upper and lower shell 2 of this filter cleaner, 1 adopts engineering plastics to make, and resistance is little, not easy to crack, and noise is little during use, the filter core 8 that adopts polyester to make, and filtering is effective, compares with the iron wire filter core in past, is difficult for getting rusty and fractureing.
Above-mentioned mode of execution only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed in the protection domain of the present utility model.
Claims (4)
1. three grades of air-strainer of a used for diesel engine oil bath type, comprise lower casing (1), be located at the upper casing (2) of lower casing (1) upper end, lower casing (1) side is connected with the air inlet tube (3) that is communicated with engine intake passage, it is characterized in that: described upper casing (2) and lower casing (1) junction be provided with around lower casing (1) circumferential hoop around centrifugal blade window (4), upper casing (2) outer side surface is provided with the tangential tiltedly window (5) for separating of big dust particle, be provided with center tracheae (6) between upper casing (2) inner chamber and lower casing (1) inner chamber, centrifugal blade window (4) is connected with center tracheae (6) upper end outer wall to the extension at lower casing (1) center, lower casing (1) intracavity bottom is positioned at center tracheae (6) below and is provided with oil interceptor (7), is provided with the filter core that material is polyester (8) between center tracheae (6) lower end outer wall and lower casing (1) inwall.
2. three grades of air-strainer of used for diesel engine oil bath type according to claim 1, it is characterized in that: described upper casing (2) outer side surface has the plane of inclination, offers at least three circumferentially uniform tangential tiltedly windows (5) on the described plane of inclination.
3. three grades of air-strainer of used for diesel engine oil bath type according to claim 1 is characterized in that: described centrifugal blade window (4) has circumferentially uniform guide vane (41), and the channelization angle of described guide vane (41) is 30 °～60 °.
4. three grades of air-strainer of used for diesel engine oil bath type according to claim 1, it is characterized in that: described filter core (8) is fixed between center tracheae (6) periphery and lower casing (1) inwall by filter core frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173703 CN203214200U (en) | 2013-04-08 | 2013-04-08 | Oil bath type three-stage air filter for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173703 CN203214200U (en) | 2013-04-08 | 2013-04-08 | Oil bath type three-stage air filter for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214200U true CN203214200U (en) | 2013-09-25 |
Family
ID=49203745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320173703 Expired - Fee Related CN203214200U (en) | 2013-04-08 | 2013-04-08 | Oil bath type three-stage air filter for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742313A (en) * | 2013-12-24 | 2014-04-23 | 柳州正菱集团有限公司 | Air filter |
| CN104500303A (en) * | 2014-11-24 | 2015-04-08 | 重庆翼虎动力机械有限公司 | Small air-cooled diesel engine for lawn mower |
-
2013
- 2013-04-08 CN CN 201320173703 patent/CN203214200U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742313A (en) * | 2013-12-24 | 2014-04-23 | 柳州正菱集团有限公司 | Air filter |
| CN103742313B (en) * | 2013-12-24 | 2016-02-17 | 柳州正菱集团有限公司 | A kind of air-strainer |
| CN104500303A (en) * | 2014-11-24 | 2015-04-08 | 重庆翼虎动力机械有限公司 | Small air-cooled diesel engine for lawn mower |
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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: 20130925 Termination date: 20160408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |