CN203783782U - Filter - Google Patents
Filter Download PDFInfo
- Publication number
- CN203783782U CN203783782U CN201320886386.1U CN201320886386U CN203783782U CN 203783782 U CN203783782 U CN 203783782U CN 201320886386 U CN201320886386 U CN 201320886386U CN 203783782 U CN203783782 U CN 203783782U
- Authority
- CN
- China
- Prior art keywords
- filter
- chamber
- outer pipe
- shell
- bizet
- 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.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 238000004080 punching Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 8
- 238000005219 brazing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 description 14
- 239000000446 fuel Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001314 paroxysmal effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
A filter (1) comprises a case. The case is provided with a tank case (11) and a cover (12) used for closing the open end of the tank case. The filter further comprises an inlet (2) used for fluid to be filtered, an outlet (3) used for the filtered fluid, and a filter element (13) which divides the inner chamber of the case into a first cavity (5) and a second cavity (6). The first cavity (5) is communicated with the inlet (2). The second cavity (6) is communicated with the outlet (3). The outlet (3) comprises an outlet pipe (31), wherein a part of the outlet pipe (31) extends on the inner side of the case, and the inner extension portion of the pipe is provided with at least one ventilation hole (32).
Description
Technical field
The present invention relates to a kind of filter, relate in particular to the filter for filtering the fuel of driving application or hydraulic applications, described driving application examples is as automobile, lorry, commercial car and working machine.
Background technique
Known ground, the filtration of fuel normally utilizes filter to realize, filter comprises shell, described shell has ladle bowl and lid, described cap seal is closing the opening end of described ladle bowl, described shell is provided with the entrance of fuel to be filtered (in the time being filter fuel, especially diesel oil) and the outlet of having filtered fluid; And filter core, for the interior chamber of shell is subdivided into two different chambeies, wherein the first chamber is communicated with entrance, and the second chamber is communicated with outlet.
By this way, the fuel that flows to outlet from filter inlet is forced to the filter medium of flowing through, thereby the impurity that may contain in fuel is stayed in filter medium.
Typical filter core comprises tubular filtering medium, for example, and pleat formula filter media or depth media, and be fixed with two dunnages at the relative end of filter medium.
At least one dunnage is typically provided with the central opening preferably aliging with the longitudinal axis of filter medium, and the interior chamber of filter core is communicated with the entrance of fluid to be filtered through this longitudinal axis, in this case, is set to from interior outwardly through filter medium; The interior chamber of filter core or be communicated with the outlet of filtering fluid, in this case, is set to from outward inwardly through filter medium.
Can contain bubble through in the fuel of filter unit; Described bubble may be dangerous for components downstream.For example, it can cause the cavitation of pump; For this reason, conventionally on the support tube of filter core, be provided with undersized hole, to guarantee that air is injected towards filter outlet with the form of small bubble, and its size can not cause danger to components downstream.
About the follow-up air trapping that is arranged on the aperture downstream on filter support tube, known technology exists some defects.In fact, if having the projection of any kind between outer pipe and shell upper space, i.e. Pressing Deformation, has avoided at once flowing towards the bubble of outer pipe; So described air accumulation is on described upper space, until the level of collected air reaches outlet.Once air level exceeds outlet, fuel flow can carry relevant, paroxysmal air quantity, thereby damages components downstream.
An object of the present invention is, provide a kind of simple, reasonable and scheme at a low price, to overcome above-mentioned prior art defect.
Above-mentioned purpose realizes by the feature of the present invention comprising in independent claims.Dependent claims is sketched the contours of preferred and/or especially preferred aspect of the present invention.
Summary of the invention
Especially, the invention provides a kind of filter, it comprises shell, described shell has the lid of the opening end of ladle bowl and the described ladle bowl of sealing, and described filter is further provided with the entrance for fluid to be filtered, and for filtering the outlet of fluid, also comprise filter core, the interior chamber of shell is separated into the first chamber and the second chamber by described filter core, and described the first chamber is communicated with described entrance, and described the second chamber is communicated with described outlet; According to the present invention, outlet comprises that part extends in the outer pipe on described shell inner side, is provided with at least one vent on the extension, inside of described pipe.
Due to this scheme, in the time that hole arrives hole horizontal, air is attracted to outer pipe with the form of small bubble.Correspondingly, the air discharging through described at least one hole prevents that the air of collecting from arriving the axial outlet of pipe, thereby avoids the paroxysmal dangerous gross blowhole that flows in the loop in filter downstream.
Another aspect of the present invention is, outer pipe extends in part on the outside of filter housing.
This scheme further allows and being connected of external connection device, and by same parts, bubble that outer pipe is realized subdues effect, with thereupon the component optimization obtaining and cheap and reliable scheme.
Another aspect of the present invention is, on shell, is provided with punching, and described hole is towards the inner side deformation of described shell, and for receiving outer pipe, wherein, on the extension, inside of pipe, described at least one vent is positioned at the below of punching deformations.
This scheme allows to have reliable connection between filter housing and outer pipe, and its reason is: the lip of the deformation forming due to described punching press, punching hole is inserted passage and pipe induction element as pipe simultaneously.Meanwhile, object of the present invention realizes by the vent being placed on the described outer pipe below punching deformations.
Another aspect of the present invention is, outer pipe and punching are brazings.
This scheme allows to have and be closely connected reliably between outer pipe and filter housing.
Advantageously, outer pipe is assembled in and covers.
Another aspect of the present invention is, filter core comprises filter medium and at least one capping, described capping is assembled in an axial end of described medium, described capping comprises the ventilation bizet extending axially with away from filter medium, described ventilation bizet has venting channels opening, and the internal diameter of described ventilation bizet is configured to be associated with the interior section of outer pipe.
This scheme allows to form secondary barrel, this secondary barrel between primary air collection cavity and outer pipe, thereby air can progressively key in the described secondary barrel that ventilation bizet and outer pipe form, and discharge towards the outlet of filter with the form of small bubble subsequently.
Another aspect of the present invention is, the internal diameter of ventilation bizet is configured to be assembled in the punching deformations arranging on shell.
This scheme permission ventilation bizet and punching are directly interactive in assembling place of pipe.
Brief description of the drawings
The explanation of reading in conjunction with the drawings following non-limiting way explaination, further feature and advantage of the present invention present clear, wherein:
Fig. 1 is the cross-sectional view of the axle that defines along the circular cylindrical shell of described filter of filter according to the present invention;
Fig. 2 is the enlarged view at the specific A place shown in Fig. 1.
Embodiment
Filter 1 shown in the drawings is diesel fuel filter, is intended to for diesel engine, in particular for the diesel oil of automobile, truck, commerial vehicle or self-propelled work car.
Filter 1 comprises shell, and this shell is by the ladle bowl 11 of beaker shape, and defines for the upper cover 12 that seals ladle bowl 11 opening ends.
Filter 1 comprises the entry conductor 2 for diesel oil to be filtered, for filtering the delivery channel 3 of diesel oil; Described entrance and exit is arranged on and covers on 12.
In the inner space of defining at filter housing, be provided with filter core 4, described filter core comprises filter medium 41, it can be pleat formula medium or depth media, and upper cover 42 and underseal lid 43, described capping utilizes known technology to be closely connected with filter medium, for example, by gummed, infrared welding etc.
The interior chamber of filter head housings is divided into the first chamber 5 and the second chamber 4 by described filter core 4,, described the first chamber 5 is by inner space and capping 42,43 restrictions of filter medium 41, and described the second chamber 4 is arranged in the chamber between ladle bowl and filter medium; Described the first chamber 5 is communicated with entry conductor 2, and described the second chamber 4 is communicated with delivery channel.In addition, the 3rd chamber 7 is arranged on the bottom side of filter, is communicated with the second chamber 6, for collecting the water being separated by filter medium 41.
Axial lip 423 and medium 41 that upper cover 42 has central hole, extends from described capping 42, described upper cover 42 also has axial notch 424, is holding packing ring 425 therebetween.Described axial lip 423, axial notch 424 and packing ring 425 have close-shaped, i.e. annular, it has defined the chamber 51 at its axial end opening, and one of them axial end connects the first chamber 5, and another axial end is by the outside connection chamber 51 of filter core medium.
Underseal lid 43 is the closed disks that fit together with above-mentioned filter medium; Be provided with bizet 423 in the bottom side of described capping, it is as the seat of an axial end of spring 8.
Described spring 8 is arranged between filter core underseal lid 43 and ladle bowl 11 bottom inside, like this, because described spring 8 is towards the Driving force of filter core 4, the packing ring 425 being arranged on upper cover 42 is promoted by the inner side against filter capping 12, guarantees especially chamber 51 of the first chamber 5() and the second chamber 4 between tightness.
What fit together with filter core upper cover and underseal lid is to support candle thing 44, and described candle thing can penetrate the through hole being arranged on its circumferential surface by fluid, and has for avoiding filter medium 41 to produce the internal diameter of (, due to diesel oil path cause).Meanwhile, support candle thing and will axially carry filter core, especially by the power applying described in above-mentioned spring 8.In the illustrated embodiment, support candle thing 44 and be placed in the outside of filter medium 41, this be because the direction of diesel stream from outside to inner side.In the time that filter is configured to have the filter core that makes diesel oil flow to outside from inner side and to penetrate, supports candle thing and be placed in the defined inner space of filter medium 41.
On the bottom side of filter ladle bowl 11, be provided with and remove plug 9, for discharging by unscrewing described plug the water that collect in the 3rd chamber 7.
According to illustrated preferred embodiment, ladle bowl 11 and lid 12 are assembled by the deformation of its free edge (crimped edge).Alternatively, described parts can fit together by being equal to means, and for example, by being screwed in the additional ring on ladle bowl, described additional ring pushes away lid towards ladle bowl.
According to the present invention, delivery channel is the pipe 31 being assembled on strainer cover 12, extends on the inner side of filter housing described tubular portion, thereby on described inner extension, vent 32 is set.Depend on the configuration of filter layout, described pipe is alternatively arranged on filter ladle bowl 11.In a preferred embodiment of the invention, on the extension, inside of outer pipe 31, several holes 32 can be set.
For vent, its mean have diameter at 0.1mm to the hole between 3mm, be preferably 1.5mm; Like this, discharge towards the outlet of filter with the form of small bubble through the air in hole.
In practice, on strainer cover 12, be provided with punching 121(referring to Fig. 2).Punching means has the axial lip extending from hole periphery.In the illustrated embodiment, described lip 122 extends towards the inner side of filter housing.Described punch steps is on sheet material, to realize a kind of known process step of punching.
Outer pipe 31 is assembled in punching 122, that is, by brazing, thereby on module position, described tubular portion extends on the inner side of filter housing.On the interior section of described pipe, be provided with vent 32, this vent is positioned at the position that not hindered by the deformation lip 122 of punching 121, is therefore positioned at described lip below.
In the part that described outer pipe extends in the outside of filter housings, have radial rib 311, it for allowing the sealing engagement of connection set (not shown), that is, is fluidly communicated with the components downstream of diesel oil supply line.
In further embodiment of the present invention, on filter element upper cover 42, be provided with ventilation bizet 421.Thereby described bizet 421 extends away from medium 41 from described capping 42, and there is such length and internal diameter: in the time that filter core is positioned on its assembling position on filter housings, described bizet 421 is inserted on outer pipe 31, or, in the time having punching 121, described ventilation bizet 421 is inserted on punching deformation lip 122.Described bizet has horizontal communication passage 422, and it is near filter core capping 42.The interaction of ventilation bizet 421 and punching 122/ outer pipe 31 allows the formation of the secondary barrel 61 between primary air collection cavity 6 and outer pipe 31, thereby air is progressed in the described secondary barrel 61 that ventilation bizet and outer pipe define, and air discharges towards filter outlet with the form of small bubble subsequently.Alternatively, venting channels 422 also can be formed by least one vent.
At work, diesel oil enters chamber 5 through entrance 2; Afterwards, it is through filter medium 41, separates solid particle in diesel oil so that diesel oil is purified, and collect the water separating from diesel oil, thereby make water be collected in the bottom in the 3rd chamber 7; Remove plug 9 by unscrewing, the water of described collection can discharge from filter 1.
Diesel oil after filtration flow to outlet through outer pipe 31 from the second chamber 4.
Be carried into air accumulation in the filter inner chamber upper end at filter by diesel oil, that is, and near strainer cover 12.In the time that the air of collecting reaches the level of bizet opening 32, it accumulates in the top of secondary barrel 61; As long as air arrives the vent 32 of outer pipe 31, due to the passage of the described pipe through vent 32, described gas is brought to filter outlet by the form with small bubble by diesel stream.
Obviously, those skilled in the art can make a large amount of corrections to the technology application of above-mentioned filter 1, and do not depart from claim limited range.
Therefore, the present invention should be contemplated that and comprise multiple improvement and distortion, and these are all within theory scope of the present invention.
In addition, all details all can be equal to key element by other technologies and substituted.
In practice, the material using and shape and size, all can change as required, and do not depart from the protection domain of claim.
Claims (7)
1. filter (1), it comprises shell, described shell has the lid (12) of the opening end of ladle bowl (11) and the described ladle bowl of sealing, described filter is further provided with the entrance (2) for fluid to be filtered, with the outlet (3) for filtering fluid, also comprise filter core (4), described filter core is for being separated into the first chamber (5) and the second chamber (6) by the interior chamber of described shell, described the first chamber is communicated with described entrance (2), and described the second chamber (6) is communicated with described outlet (3); It is characterized in that, described outlet (3) comprises the outer pipe (31) on the inner side that extends in part in described shell, is provided with at least one vent (32) on the extension, inside of described pipe.
2. filter according to claim 1 (1), is characterized in that, described outer pipe (31) extends in part on the outside of described filter housing.
3. filter according to claim 1 (1), it is characterized in that, on described shell, be provided with punching (12), described hole is towards the inner side deformation of described shell, and for receiving described outer pipe (31), wherein, on the extension, inside of described pipe, described at least one vent (32) is positioned at the below of punching deformations (122).
4. filter according to claim 3 (1), is characterized in that, described outer pipe (31) is brazing with described punching (121).
5. filter according to claim 1 (1), is characterized in that, described outer pipe (31) is assembled on described lid (12).
6. filter according to claim 1 (1), it is characterized in that, described filter core (4) comprises filter medium (41) and at least one capping (42), described capping (42) is assembled in an axial end of described medium, described capping comprises the ventilation bizet (421) extending axially with away from described filter medium (41), described ventilation bizet has venting channels opening (422), and the internal diameter of described ventilation bizet is configured to be associated with the interior section of described outer pipe (31).
7. filter according to claim 1 (1), it is characterized in that, the internal diameter of described ventilation bizet (421) bizet (421) that is configured to make to ventilate is assembled in the punching deformations (121) arranging on described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886386.1U CN203783782U (en) | 2013-12-31 | 2013-12-31 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886386.1U CN203783782U (en) | 2013-12-31 | 2013-12-31 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783782U true CN203783782U (en) | 2014-08-20 |
Family
ID=51319975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320886386.1U Expired - Lifetime CN203783782U (en) | 2013-12-31 | 2013-12-31 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582091A (en) * | 2015-10-16 | 2017-04-26 | “曼·胡默尔滤清器技术美国有限责任公司” | Filter element with air-bleed conduit |
-
2013
- 2013-12-31 CN CN201320886386.1U patent/CN203783782U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582091A (en) * | 2015-10-16 | 2017-04-26 | “曼·胡默尔滤清器技术美国有限责任公司” | Filter element with air-bleed conduit |
| CN106582091B (en) * | 2015-10-16 | 2019-09-10 | “曼·胡默尔滤清器技术美国有限责任公司” | Filter element with exhaust pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3705165B1 (en) | Fluid filter assembly with a filter cartridge | |
| US9599077B2 (en) | Filter element with undulating seal | |
| US10668410B2 (en) | Fuel filter comprising a fuel filter insert with a prefilter element and a main filter element | |
| US9314720B2 (en) | Filter device with releasably securable end cap and sealing arrangement | |
| US9926898B2 (en) | Method of filtering fuel | |
| CN107106945B (en) | Filter assembly including a flow cap | |
| CN107743414B (en) | Flow cap and method for directing fluid through a filter | |
| US10399014B2 (en) | Filter system, closure element, and filter element | |
| JP5866382B2 (en) | Filter parts | |
| US20090145826A1 (en) | Filter Having Baseplate With Internal Gasket Location | |
| US20100051528A1 (en) | Seal Improvement for Lube Filter | |
| CN104981281A (en) | Filter device, in particular air filter | |
| CN103977639A (en) | Housing, device for separating liquid from air, and method for mounting the housing on a connector | |
| CN101384325B (en) | Collapsible protective cover for a filter | |
| CN106413840B (en) | Filter base system and filter assemblies | |
| US10765977B2 (en) | Fuel filter insert, and fuel filter comprising a prefilter element and a main filter element and comprising a water separating unit | |
| US10773190B2 (en) | Fuel filter insert with a prefilter and a main filter element, and fuel filter | |
| US20200254370A1 (en) | Systems and methods for integration of pressure differential sensor | |
| CN203648186U (en) | Filter element and filter unit | |
| CN203648185U (en) | Filter element and filter unit | |
| CN203783782U (en) | Filter | |
| CN104623949A (en) | Filter element and filter unit | |
| US20100044293A1 (en) | Sealing for liquid filter | |
| CN203777749U (en) | Filtering core and filtering unit | |
| US20090145825A1 (en) | Filter Arrangement for Liquids |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |