CN201786495U - Air filter - Google Patents
Air filter Download PDFInfo
- Publication number
- CN201786495U CN201786495U CN2010202692733U CN201020269273U CN201786495U CN 201786495 U CN201786495 U CN 201786495U CN 2010202692733 U CN2010202692733 U CN 2010202692733U CN 201020269273 U CN201020269273 U CN 201020269273U CN 201786495 U CN201786495 U CN 201786495U
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- Prior art keywords
- air
- strainer
- shell body
- lower shell
- fixing column
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- 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 - Lifetime
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Abstract
An air filter comprises an upper casing (1), a lower casing (2), a filter element (3), a drainage hole (11) and a valve (12), wherein the upper casing (1) and the lower casing (2) are connected with each other detachably, the filter element (3) is positioned in the upper casing (1) and the lower casing (2), the drainage hole (11) is arranged on a bottom wall of the lower casing (2), and the valve (12) arranged at the position of the drainage hole (11) is used for closing or opening the drainage hole (11), so that accumulated water in the air filter can be drained out through the drainage hole. Simultaneously, external water vapor, dust, impurities and the like can be prevented from entering the air filter.
Description
Technical field
The utility model relates to a kind of air-strainer, particularly, relates to the air-strainer of a kind of vehicle intake system.
Background technique
Air-strainer is used for contained dust, mist of oil and the aqueous vapor etc. of fresh air that filtering flows to cylinder, to reduce the wearing and tearing of relevant parts such as cylinder, piston, piston ring, prolongs the working life of motor; In addition, the air-strainer that muffler part is installed is eliminated the effect of induction noise in addition.Dust is the silica of high hardness more than 75% in the air, if motor is not adorned air-strainer, will make the piston wear amount increase by 3 times, and the piston ring scuffing amount increases by 9 times, and engine life will shorten 2/3.Therefore, air-strainer has important function for the gas handling system of motor.
When motor car engine is worked, when charge air flow sucks it when inner from the air-strainer suction port, guided by the tangential flow guiding structure, gas shock afterwards changes airflow direction and flow velocity to inwall, rotate mobile in air-strainer inside, and under centrifugal action, most of aqueous vapor contained in the air-flow is separated, inner walls along air-strainer flows in the circular groove that forms between the retainer under air-strainer lower shell body and the filter core, when water level surpassed the dust exhaust port lower edge, ponding was discharged from dust exhaust port.Yet contained a small amount of aqueous vapor is not rotated and separates in the air-flow, and along with air communication is crossed filter core, under the filtration of filter core, in the confined space that the diapire that enters retainer and lower shell body under the filter core of being separated forms, formed ponding can't be discharged.
For automobile, particularly for cargo vehicle, rain, harsh climate condition such as snow weather etc. descend or in the shoal, relatively poor condition of road surface such as the road surface of paddling descends, aqueous vapor in the external environment can enter in the pipeline of engine aspirating system with charge air flow inevitably, enter in the air-strainer then, through the filtration of air-strainer, the dust in the charge air flow, mist of oil and aqueous vapor are separated, at the diapire formation ponding of air-strainer lower shell body.Most ponding can be discharged by the dust exhaust port that is arranged on the air-strainer sidewall, because it is higher that dust exhaust port is positioned at the outside and the position of air-strainer sidewall, then the ponding in the confined space that the diapire of retainer and lower shell body forms under the filter core of air-strainer can't be discharged, rain, harsh climate condition such as snow weather etc. descend or in the shoal, relatively poor condition of road surface such as the road surface of paddling descends long playing vehicle, ponding is more and more, the easy launched machine of this part ponding sucks, cause the flame-out of motor, even cause the parts damages of motor.
The model utility content
The purpose of this utility model is to provide a kind of air-strainer, and the ponding in the confined space that this air-strainer can form the bottom end face of retainer under the filter core and lower shell body is discharged, and can waterproof and dustproof, and is simultaneously simple in structure, is easy to realize.
To achieve these goals, the utility model provides a kind of air-strainer, this air-strainer comprises upper shell, lower shell body and filter core, described upper shell removably is connected each other with lower shell body, and described filter core is positioned at described upper shell and lower shell body, it is characterized in that, described air-strainer also comprises weep hole and valve, described weep hole is arranged on the diapire of described lower shell body, and described valve is arranged on described weep hole place, is used to close or opens described weep hole.
Because the air-strainer that the utility model provides is by being provided with weep hole on the diapire of lower shell body, and mounted valve, make the ponding in the confined space that the diapire of retainer and lower shell body forms under the filter core of air-strainer discharge by described weep hole, and control closing and opening of described weep hole by described valve, make and when discharging ponding, can prevent outside aqueous vapor, dust and impurity etc. enter air-strainer inside, both solved the drainage problem of air-strainer, guaranteed the sealing of air-strainer again, thereby the moisture that has sucked when having reduced engine combustion effectively, improved the spatter property of charge air flow, make engine running smooth and easy, help the work and the maintenance of motor, simultaneously simple in structure, be easy to realize.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with embodiment one of the present utility model, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic of the air-strainer that provides of the utility model;
Fig. 2 is the worm's eye view of the air-strainer that provides of the utility model;
Fig. 3 is the part zoomed-in view of air-strainer shown in Figure 1.
Description of reference numerals
1 upper shell, 2 lower shell bodys, 3 filter cores
7 lower end caps, 8 suction ports, 9 air outlets
10 dust exhaust ports, 11 drain opening, 12 valves
13 mounting holes, 14 flanges, 120 fixing columns
121 flexible sheets, 122 blocked parts
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the present invention, for the convenience of describing, the top among Fig. 1 is referred to as " on ", the below is referred to as D score.For clearer explanation technical characteristics of the present utility model, choose a kind of typical air-strainer as exemplary embodiment of the present utility model.
As depicted in figs. 1 and 2, the air-strainer that a kind of mode of execution of the present utility model provides, this air-strainer comprises upper shell 1, lower shell body 2 and filter core 3, described upper shell 1 removably is connected each other with lower shell body 2, described filter core 3 is positioned at described upper shell 1 and lower shell body 2, be convenient to change the filter core 3 in the described air-strainer, described air-strainer also comprises weep hole 11 and valve 12, described weep hole 11 is arranged on the diapire of described lower shell body 2, described valve 12 is arranged on described weep hole 11 places, be used to close or open described weep hole 11, make the ponding of air-strainer inside can pass through described weep hole 11, by the control of valve 12, can prevent outside aqueous vapor simultaneously, dust and impurity etc. enter air-strainer inside.
Wherein, described valve 12 comprises fixing column 120 and is positioned at the flexible sheet 121 of these fixing column 120 lower ends, has mounting hole 13 on the diapire of described lower shell body 2, the upper end of described fixing column 120 is inserted and is fixed in the described mounting hole 13, makes described flexible sheet 121 seal described weep hole 11 from the outside of the diapire of described lower shell body 2.When engine operation, the inner negative pressure that forms of described air-strainer, under the atmospheric effect in the external world, the upwards distortion of described flexible sheet 121, be adsorbed on the bottom wall outer of air-strainer lower shell body 2, described flexible sheet 121 blocks described weep hole 11, prevents that outside dust, impurity and aqueous vapor from entering air-strainer inside, guaranteed the tightness of air-strainer simultaneously.Between the diapire of retainer 5 under the described filter core and described lower shell body 2, form ponding, when the weight of ponding surpasses the negative pressure of air-strainer inside, described flexible sheet 121 is out of shape downwards, form the gap between the diapire of described flexible sheet 121 and air-strainer lower shell body 2, described weep hole 11 is opened, the ponding of air-strainer inside flows to the air-strainer outside by described weep hole 11, reaches the effect of draining.After ponding was discharged, described valve 12 had been adsorbed onto on the diapire of air-strainer lower shell body 2 under the effect of internal negative pressure again, makes described weep hole 11 close.Control the opening and closing of described weep hole 11 by described valve 12, both guaranteed the tightness of described air-strainer, realize the function of its draining, played the effect of waterproof and dustproof again.
Preferably, have blocked part 122 on the described fixing column 120, and this fixing column 120 is made by elastic material.The outwards outstanding blocked part 122 that is formed with expansion of described fixing column 120, and described fixing column 120 has elasticity, can insert in the described mounting hole 13, flexibly fix in described mounting hole 13, and described fixing column 120 is fixed by described blocked part 122, thereby described valve 12 is fixed on the diapire of described lower shell body 2, makes the structure and the position stability of described valve 12, be difficult for because load-bearing or reason such as jolt come off from the diapire of lower shell body 2 automatically.
More preferably, the conical column that described fixing column 120 increases from top to bottom gradually for cross section and have elasticity makes described valve 12 be easy to take apart from described mounting hole 13 under the effect of certain external force, makes that described valve 12 is easy to change and dismounting.
Preferably, described valve 12 is to form by rubber material is whole, makes the simple in structure of described valve 12, and manufacturing process is easy, and price is lower, is easy to realize industrialization.
In addition, have a plurality of described weep holes 11 around the fixing column 120 of described valve 12, preferably, described weep hole is two, be separately positioned on the diverse location of diapire of described lower shell body 2, make that the ponding of described air-strainer inside all can be by described weep hole 11 discharges.
Described upper shell 1 has outstanding holder 4 downwards, is used to keep upper end cap 6, and described lower shell body 2 has the following retainer 5 that projects upwards, and is used to keep lower end cap 7, and described filter core 3 is fixed between described upper end cap 6 and the lower end cap 7.Preferably, adopt transition fit between described filter core 3 and the described upper end cap 6, adopt bonding between described filter core 3 and the described lower end cap 7.More preferably, described filter core 3 is the papery filter core, described upper end cap 6 is made for foaming polyamine fat material, adopt transition fit to make the better tightness of air-strainer between the two, and described lower end cap 7 is made for metal, makes being connected of filter core 3 and locate more firm with adopting bonding mode between the described filter core 3.
Described lower shell body 2 has the flange 14 that projects upwards, be used to support described lower end cap 7, this flange 14 is positioned at the described inboard of retainer 5 down, the diapire and the described confined space that forms between the retainer 5 down of described lower shell body 2 are divided into two-part, make that the location of described lower end cap 7 is more firm, avoided described filter core 3 to be soaked simultaneously by ponding.
The inboard and the outside at described flange 14 are respectively arranged with described weep hole 11, make by the ponding in the diapire of the described separatedly lower shell body 2 of described flange 14 and the described two-part confined space that forms between the retainer 5 down all can be respectively inboard by being arranged on flange 14 and described weep hole 11 discharges in the outside.
Have dust exhaust port 10 on the sidewall of the lower end of described lower shell body 2, the dust-exhausting bag that is positioned at described lower shell body 2 outsides links to each other with this dust exhaust port 10.When the water accumulation level in the circular groove that forms between the retainer 5 under described air-strainer lower shell body 2 and the described filter core surpassed the dust exhaust port lower edge, most of ponding was discharged from dust exhaust port.
Need to prove that each the concrete technical characteristics described in above-mentioned embodiment can carry out combination in any by any suitable manner, it falls within the scope disclosed in the utility model equally.In addition, also can carry out combination in any between the various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Below describe preferred implementation of the present utility model in conjunction with the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned mode of execution; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Claims (10)
1. air-strainer, this air-strainer comprises upper shell (1), lower shell body (2) and filter core (3), described upper shell (1) removably is connected each other with lower shell body (2), described filter core (3) is positioned at described upper shell (1) and lower shell body (2), it is characterized in that, described air-strainer also comprises weep hole (11) and valve (12), described weep hole (11) is arranged on the diapire of described lower shell body (2), described valve (12) is arranged on described weep hole (11) and locates, and is used to close or opens described weep hole (11).
2. air-strainer according to claim 1, it is characterized in that, described valve (12) comprises fixing column (120) and is positioned at the flexible sheet (121) of this fixing column (120) lower end, has mounting hole (13) on the diapire of described lower shell body (2), the upper end of described fixing column (120) is inserted and is fixed in the described mounting hole (13), makes described flexible sheet (121) seal described weep hole (11) from the outside of the diapire of described lower shell body (2).
3. air-strainer according to claim 2 is characterized in that, has blocked part (122) on the described fixing column (120), and this fixing column (120) is made by elastic material.
4. air-strainer according to claim 2 is characterized in that, described fixing column (120) is the conical column that cross section increases from top to bottom gradually.
5. air-strainer according to claim 3 is characterized in that, described valve (12) is to form by rubber material is whole.
6. according to any described air-strainer among the claim 2-5, it is characterized in that around the fixing column (120) of described valve (12), having a plurality of described weep holes (11).
7. air-strainer according to claim 1 is characterized in that, described upper shell (1) has outstanding holder (4) downwards, is used to keep upper end cap (6); Described lower shell body (2) has the following retainer (5) that projects upwards, and is used to keep lower end cap (7), and described filter core (3) is fixed between described upper end cap (6) and the lower end cap (7).
8. air-strainer according to claim 7 is characterized in that, described lower shell body (2) has the flange (14) that projects upwards, and is used to support described lower end cap (7), and this flange (14) is positioned at the described inboard of retainer (5) down.
9. air-strainer according to claim 8 is characterized in that, is respectively arranged with described weep hole (11) in the inboard and the outside of described flange (14).
10. air-strainer according to claim 9 is characterized in that, has dust exhaust port (10) on the lower end sidewall of described lower shell body (2), and the dust-exhausting bag that is positioned at described lower shell body (2) outside links to each other with this dust exhaust port (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202692733U CN201786495U (en) | 2010-07-21 | 2010-07-21 | Air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202692733U CN201786495U (en) | 2010-07-21 | 2010-07-21 | Air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786495U true CN201786495U (en) | 2011-04-06 |
Family
ID=43818461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202692733U Expired - Lifetime CN201786495U (en) | 2010-07-21 | 2010-07-21 | Air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786495U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529930A (en) * | 2011-12-30 | 2012-07-04 | 晋江市升泰机械配件有限公司 | Air booster pump of engineering mechanical brake system |
| CN104763563A (en) * | 2014-01-07 | 2015-07-08 | 北汽福田汽车股份有限公司 | Water discharging and dust exhausting device for air filter, air filter and vehicle |
| CN106368860A (en) * | 2016-12-06 | 2017-02-01 | 安徽江淮汽车集团股份有限公司 | Drain valve of air filter and air filter |
| CN106438129A (en) * | 2016-11-25 | 2017-02-22 | 安徽江淮汽车集团股份有限公司 | Air filter lower shell assembly |
| CN106523208A (en) * | 2016-11-14 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Air filter with blocking piece |
| CN109184970A (en) * | 2018-10-23 | 2019-01-11 | 中国重汽集团济南动力有限公司 | A kind of oil bath air cleaner equipped with water separation device |
| JP2020041474A (en) * | 2018-09-10 | 2020-03-19 | いすゞ自動車株式会社 | Air cleaner |
-
2010
- 2010-07-21 CN CN2010202692733U patent/CN201786495U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529930A (en) * | 2011-12-30 | 2012-07-04 | 晋江市升泰机械配件有限公司 | Air booster pump of engineering mechanical brake system |
| CN104763563A (en) * | 2014-01-07 | 2015-07-08 | 北汽福田汽车股份有限公司 | Water discharging and dust exhausting device for air filter, air filter and vehicle |
| CN106523208A (en) * | 2016-11-14 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Air filter with blocking piece |
| CN106438129A (en) * | 2016-11-25 | 2017-02-22 | 安徽江淮汽车集团股份有限公司 | Air filter lower shell assembly |
| CN106438129B (en) * | 2016-11-25 | 2018-11-02 | 安徽江淮汽车集团股份有限公司 | A kind of air filter lower housing assembly |
| CN106368860A (en) * | 2016-12-06 | 2017-02-01 | 安徽江淮汽车集团股份有限公司 | Drain valve of air filter and air filter |
| JP2020041474A (en) * | 2018-09-10 | 2020-03-19 | いすゞ自動車株式会社 | Air cleaner |
| CN112673164A (en) * | 2018-09-10 | 2021-04-16 | 五十铃自动车株式会社 | Air filter |
| JP7139803B2 (en) | 2018-09-10 | 2022-09-21 | いすゞ自動車株式会社 | air cleaner |
| CN112673164B (en) * | 2018-09-10 | 2022-12-27 | 五十铃自动车株式会社 | Air filter |
| CN109184970A (en) * | 2018-10-23 | 2019-01-11 | 中国重汽集团济南动力有限公司 | A kind of oil bath air cleaner equipped with water separation device |
| CN109184970B (en) * | 2018-10-23 | 2024-02-13 | 中国重汽集团济南动力有限公司 | Oil bath type air filter with water separation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |