CN104623948A - Filter element and filter unit - Google Patents
Filter element and filter unit Download PDFInfo
- Publication number
- CN104623948A CN104623948A CN201310568714.8A CN201310568714A CN104623948A CN 104623948 A CN104623948 A CN 104623948A CN 201310568714 A CN201310568714 A CN 201310568714A CN 104623948 A CN104623948 A CN 104623948A
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- Prior art keywords
- capping
- filter
- filter core
- another
- channel
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- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims description 38
- 238000009434 installation Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000010721 machine oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000168254 Siro Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013028 medium composition Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/153—Anti-leakage or anti-return valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/29—Filter cartridge constructions
- B01D2201/291—End caps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
- B01D2201/301—Details of removable closures, lids, caps, filter heads
- B01D2201/305—Snap, latch or clip connecting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/40—Special measures for connecting different parts of the filter
- B01D2201/4007—Use of cam or ramp systems
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention provides a filter element. The filter element comprises a filter medium (11) and at least one seal cap (12), wherein the seal cap is connected to the axial tail end of the filter medium in a close manner. The filter element is characterized by comprising another seal cap (14) which is separated from the filter medium (11) and the at least one seal cap (12) and is provided with an eccentric perforating pin (141) extending out along the axial direction from that seal cap; the pin is inserted into a passage (41) in a sealed manner; the at least one seal cap (12) comprises an annular gasket (121) arranged concentrically with the seal cap; and when the at least one seal cap (12) and the another seal cap (14) are concentric, and the annular gasket (121) and the surface (143) of the another seal cap are in contact relative to the axial direction of the pin, the annular gasket is used for sealing the hole (142) in the perforating pin (141).
Description
Technical field
The present invention relates to filter core and filter unit, relating to the filter for filtering fluid particularly, such as, drive application for such as automobile, lorry, commercial car and work mechanism etc., or the fuel oil of hydraulic applications or machine oil.
Background technology
As everyone knows, the filtration of fluid, particularly fuel oil or machine oil, normally obtain with filter.This filter comprises the shell of the lid of the open end with ladle bowl and closed described ladle bowl, described shell is provided with the entrance for fluid to be filtered, with the outlet of the fluid for having filtered, filter core is designed to the internal volume of described shell to be further subdivided into two different rooms, wherein the first Room is communicated with this entrance, the second Room and this outlet.
Like this, the fluid flowing to the outlet of this filter from this entrance is forced to through this filter medium, and this filter medium will retain the impurity that may be present in fluid.
In addition, this filter can comprise a discharge-channel (if oil strainer, this passage is connected with machine oil crankcase), when this filter core is in its operating position, this discharge-channel is set to close, to avoid fluid to flow through, and when being removed from its operating position by described filter core, this discharge-channel is set to open position, to allow fluid flow this passage.
Typical filter core comprises tubular filtering medium, such as pleated filter media or degree of depth type medium; With two cappings, these two cappings in a sealing fashion, are namely fixed to the relative two ends of described filter medium by infrared welding or gummed.
Usually at least one capping is provided with central opening, preferably align with the longitudinal axis of described filter medium, the internal volume of this filter medium is placed through this hole and is communicated with the entrance of fluid to be filtered, this filter medium is set to by passing from inside to outside in this case, or be set to the outlet with the fluid filtered, this filter medium is set to by passing from outside to inside in this case.
In addition, filter core capping can discharge-channel described in opened/closed.
Several known arrangement is utilized to realize the opened/closed of this discharge-channel.
In a known scheme, a filter core capping arranges two different parts, described part has different diameters and length, so that in operating position, seal in a part can provide the sealing between non-filter chamber and filter chamber, and when taking out this filter core from this filter housing, the seal that another part is arranged can separate before being arranged on the disengagement of seal member on this Part I, made the emptying volume defined by this filter housing along with this discharge-channel of direction of flow.Behind this enclosure room emptying, after axially taking out this filter core, the seal on this Part I also separates.
Described scheme has some shortcomings, that is filter assemblies complex topology and be applied to the expensive solution of filter core.In fact, this filter housing must have the different-diameter of differing heights, has little tolerance.In addition, this filter core capping complex-shaped, and two expensive packing rings must be set, as two O type circles.
Another known scheme arranges valve at discharge-channel.This valve is on-off type in this case, and that is under given conditions, valve makes discharge-channel open or cuts out.Usually, described valves known comprises the seal (obturator) that can nestle up filter core or filter lid.When filter or capping are in operating position, the seal can be moved by filter core or filter capping, stops fluid to flow to discharge-channel from filter housing inner chamber; When filter housing is opened, such as, in order to more renew cartridge, this filter core/capping is removed relative to this filter ladle bowl, makes this valve seal be back to its open position, thus fluid indoor in described shell can flow through this discharge-channel.
But the program exists about the defect of the unreliability of valve work, owing to such as blocking at seal, i.e. during fault/malfunctioning.In addition, must ensure reliable between this valve and lidstock device ladle bowl and connect closely, adding making and constructions cost.
One object of the present invention is to overcome above-mentioned defect of the prior art by simple, reasonable, a cheap scheme.
These objects are realized by the feature of the present invention shown in independent claims.Dependent claims describes preferred and/or favourable aspect particularly of the present invention.
Summary of the invention
Concrete, the invention provides a kind of filter core, comprise filter medium and at least one capping, described capping is connected in an axial end of filter medium in a tightening way, wherein, described filter core comprises another capping, this another capping is separated with described filter medium, and be separated with at least one capping described, another capping described comprises the eccentric perforated pins of extending vertically from this another capping, described pin is set to insert passage in a sealing fashion, at least one capping wherein said comprises the concentric ring washer placed with this capping, when at least one capping described is concentric with another capping described, and the surface of described ring washer and another capping described relative to described bearing pin to when relatively contacting, described ring washer is set to the hole of closed described perforated pins.
The program makes filter core be set to himself open or close discharge-channel, and does not need special shape and sealing device, namely has the diameter of different length, because be provided with the plane cover that another has cam pin.
In addition, the program is avoided using extra costliness and the valve of complexity, because the effect of valve is played self in this another capping.
The hole that the annular shape of this packing ring is this perforated pins provides closed reliably, independent of the angular orientation of this filter core relative to this pin.
Another aspect of the present invention is that this perforated pins is arranged in another capping described one-body moldedly.
The program decreases the element of use.
Another aspect of the present invention is that sealing device is arranged on described cam pin.
Preferably, sealing device is arranged on the radially-outer surface of this cam pin.
The program provides cheap and another capping reliably for this discharge-channel.
Another aspect of the present invention is, the radial sealing elements that at least one capping described comprises centre bore and coordinates with this hole.
The program makes filter core capping have two functions: this discharge-channel closed, and for providing sealing between unfiltered room and the room of filtration.
Another aspect of the present invention is, this filter core comprises the 3rd capping, and the 3rd capping is arranged in the axial end relative with at least one capping described of described filter medium, and described 3rd capping comprises jockey.
Due to the program, this filter core can be connected to the corresponding jockey be arranged on this filter lid or this filter ladle bowl.
In addition, the invention provides a kind of filter unit, comprise the shell with ladle bowl, an axial end of this shell is closed, and another axial end is open, this open end is by closed with covers, described filter unit also comprises filter core, this filter core comprises filter medium and at least one capping, described capping is connected in an axial end of filter medium in a tightening way, the inner space defined by described shell is divided into the first Room be communicated with fluid intake by described filter core, and the second Room to be communicated with fluid issuing, wherein, described filter unit also comprises discharge-channel, this discharge-channel is used for when taking out described filter core from described shell, exhaust fluid, it is characterized in that, described filter core comprises another capping, this another capping is separated with described filter medium, and be separated with at least one capping described, described capping comprises the eccentric perforated pins of extending from this another capping, described pin is set to insert described discharge-channel in a sealing fashion, and at least one capping described comprises the concentric ring washer placed with described capping, when described filter core and another capping described are positioned at its installation site on the housing, now described cam pin inserts in described discharge-channel, at least one capping described is concentric with another capping described, and when described ring washer and another closure contacts described, described ring washer is set to the hole of closed described perforated pins.
The program makes filter core be set to self open or close discharge-channel, and does not need specific shape and/or sealing device, namely has the diameter of different length, because be provided with the plane cover that another has cam pin.
In addition, the program is avoided using extra costliness and the valve of complexity, because the effect of valve is played self in this another capping.
Further, when changing this filter core, this another capping still remains on its position, thus does not need to change the potted component (because not taking out this pin) be arranged on this cam pin, and only needs to change the filter core part comprising this at least one capping and medium.
Another aspect of the present invention is, described filter ladle bowl comprises the central tube extended from this ladle bowl, described pipe comprises hole, described hole is communicated with described access road or described exit passageway, at least one capping described comprises centre bore and radial seal unit, and described sealing unit is set to described central tube (45) and provides radial seal.
The program prevents filters mixing between fluid with unfiltered fluid, because when taking off this filter core from this another capping, namely more renew cartridge time, the fluid of the outer indoor of this filter core flows through this discharge-channel, and due to the length of pipeline and radial seal, the fluid in this filter core in room can not flow out from this room, even if because this filter core upward sliding, leave the certain distance of this filter ladle bowl, the sealing effectiveness between these two rooms also can be guaranteed.
Another invention of the present invention is, described filter core comprises the 3rd capping, 3rd capping is arranged in the axial end relative with at least one capping described of filter medium, and described capping comprises jockey, and this jockey is suitable for being connected with the jockey be arranged on described filter lid.
Due to this structure, this filter core can be easily connected to filter capping.
Accompanying drawing explanation
With reference to accompanying drawing, by the explanation of following nonrestrictive example, the feature and advantage by clear invention:
Fig. 1 is the sectional view of the axis that filter core of the present invention defines along this filter core.
Fig. 2 is the sectional view of the axis that filter ladle bowl of the present invention defines along described shell.
Fig. 3 be according to the first number of assembling steps of the present invention, described filter element is along the sectional view of the axis defined by described unit.
Fig. 4 be according to the second number of assembling steps of the present invention, described filter element is along the sectional view of the axis defined by described unit.
Fig. 5 be according to the 3rd number of assembling steps of the present invention, described filter element is along the sectional view of the axis defined by described unit.
Detailed description of the invention
Filter unit 2 as shown in Fig. 3 to 5 is the filter for filtering fluid, such as machine oil, especially for the filter of internal combustion engine, especially for the Working vehicle of automobile, truck, commercial car or self-improvement.
This filter 2 comprises shell, and this shell is defined with the upper lid 3 of the open end being designed to this ladle bowl 4 closed by the ladle bowl 4 of shape as beaker.
This filter 2 comprises the inlet duct 42 for fluid to be filtered, and the outlet conduit 43 of fluid for having filtered.Described inlet duct 42 and outlet conduit 43 are preferably arranged on this filter ladle bowl 4.
In addition, this filter housing, preferably this filter ladle bowl 4, is provided with discharge-channel, and this discharge-channel makes the space defined by this filter housing be communicated with the space in discharge tube and/or engine crankcase.Described discharge-channel is being opened as above in some cases.
As shown in Fig. 1 to 5, in the inner space that this filter housing defines, be provided with filter core 1, this filter core comprises filter medium 11, and this filter medium can be folded medium or degree of depth type medium; Upper cover 12 and underseal lid 13, described capping by routine techniques, as the mode such as glue, infrared welding be closely connected to as described in filter medium.
The internal capacity of described filter housing is divided into the first Room 6 by described filter core 1, is defined by the inner space of this filter medium 11 and capping 12,13; With the second Room 5, be arranged in the volume between this shell and this filter medium.
According to the present invention, this filter core also comprises another capping 14, and this another capping is separated with lower capping with this upper cover, thus is also separated with this filter medium.
Another capping 14 described is circular, and it is provided with an eccentric perforated pins 141.Therefore, this pin extends vertically from this another capping, and comprises the hole through the whole thickness of this pin length and the thickness of this another capping.In addition, this pin comprises the groove being positioned at radially-outer surface, and this groove is set to hold packing ring, such as O shape circle 144.The external diameter of this pin, the length of this pin and o shape circle are designed and sized in the discharge-channel 41 that this pin inserted in a sealing fashion be arranged on this filter ladle bowl 4.In a preferred embodiment of the invention, this another capping 14 and this cam pin 141 are the integral part of same parts.
In addition, this another capping 14 comprises centre bore 145, and the diameter that this centre bore has makes the central tube 45 be arranged on described filter ladle bowl 4 to pass through, as described below.
Embodiment according to such as Fig. 2 to 5, this filter ladle bowl is made up of the sidewall 46 defining inner space.As mentioned above, entrance 42, outlet 43, and discharge-channel 41 is arranged on bottom side.According to the flow direction of the fluid relative to this filter medium, entrance or outlet can be and the concentric passage of this filter core and the inner space defined by this filter ladle bowl.In an illustrated embodiment, wherein fluid flows into interior room 6 from the mistress 5 relative to filter medium 11, and this entrance is eccentric channel 42, and exports 43 for concentric channels 43.Central tube 45 extends from the concentric channels 43 relative to this filtration ladle bowl 4, and described pipe has the hole 451 be communicated with this outlet 43.
In addition, slope 47 is set in the bottom side of this filter ladle bowl.This slope 47 and this central tube 45 and this filter core 1 concentric, and there is the end 471 that first has angle, be positioned at the height certain relative to this filter ladle bowl bottom side 48, be inclined plane 472 subsequently, this inclined plane connects this end 471 having angle and this discharge-channel 41 at the reduced levels 473 relative to this end, and the former has angular deflection relative to the latter.This structure makes the members slides of angled end and/or the ramp interface with this inclination with this, until these parts align with this discharge-channel.
As mentioned above, this another capping 14 has centre bore 145, and the diameter of this centre bore is suitable for making the central tube 45 of this filter ladle bowl to pass through.Pass due to this, be positioned the cam pin 141 of the bottom side of the position relative to this another capping, if it aligns with this discharge-channel 41, owing to being provided with O shape circle on the external slot of this pin, so it can enter this passage in a sealing fashion.If this pin does not also align with this discharge-channel 41, so this another capping 14 can be rotated around its axle, and is pushed down simultaneously, slides until this pin aligns with discharge-channel 41 along this inclined plane 472 to make this pin 141.In practice, the eccentric position of this pin 141 and the annular size on this slope are designed to make when this filter core underseal lid and this slope eccentric axis, and this pin slides on this slope.
Be connected to this discharge-channel 41 in a sealing fashion once this pin 141, the circulation in being defined by this filter ladle bowl between room and discharge-channel can only be undertaken by the hole 142 be arranged on this cam pin 141.In figure 3, illustrate this another capping 14 being positioned at its assembling position, and this filter ladle bowl 4.
As shown in Figures 1 to 3, the underseal lid 12 of this filter core comprises two annular concentric packing rings.This exterior annular packing ring 121 is set to carry out axial seal to this flat surfaces.Therefore, size (the external dimensions of this packing ring 121, inside dimension, thickness), and shape and material are set to when this underseal lid/ring washer is with when relative to this cam pin 141, axially surface 143 that is relative, this another capping 14 contacts, with when another capping 14 of this underseal lid 12 and this is concentric, be suitable for the closed hole 142 be arranged on this cam pin.
In addition, this filter core underseal lid 12 arranges inner annular packing ring 123, this packing ring is set to, when pipe 45 is through underseal cap bore 122, be suitable for sealing the central tube 45 of this filter barrel cover.
The upper cover 13 of this filter arranges jockey, and this jockey is configured such that this filter core 1 and this filter capping 3 are engaged by this jockey 131 and the jockey 31 be arranged on filter lid 3.Described jockey 31,131 can be known type, and namely buckle connects tooth, screwing element etc.
Fig. 3 to 5 illustrates the installation steps according to new filter core of the present invention.
Fig. 3 illustrates the first installation steps.In this step, the space defined by this filter ladle bowl 4 is inserted in another capping 14 described, make the central tube 45 of this ladle bowl through the centre bore 145 be arranged in this capping.
Once this cam pin 141 contacts with this slope 47, if this cam pin aligns with this discharge-channel 41, so it is by this passage of insertion, otherwise rotates it, and this pin is slided along this inclined plane 472, until this pin aligns with this discharge-channel 41.
Once this another capping is arranged on the bottom side (wherein this cam pin 141 inserts this discharge-channel in a sealing fashion) of this filter ladle bowl, this filter core 1 can be mounted to this filter ladle bowl, wherein this filter core 1 is provided with filter lid 3 by jockey 31,131.
Fig. 5 illustrates the filter core 1 being in assembling position.In this position, this closed hole 142 be arranged in this another capping 14 of outer annular packing ring 121, prevents the fluid in shell between room and discharge-channel 41 from circulating.Meanwhile, inner annular packing ring 123 on this filter core underseal lid 12 is arranged on for providing sealing (not arranging potted component between the bottom surface of this another capping 14 and slope 47) relative between the mistress 5 of this filter core 1 and interior room 6.
In operating position, fluid enters the mistress 5 relative to this filter core 1 from entrance 42.Subsequently, fluid flows through this filter medium 11, and the fluid filtered enters the room 6 defined by this filter core.This fluid filtered by the opening 451 of pipe 45, then can flow out from this filter unit 1 through exporting 43.In operating position as above, stop unfiltered fluid and the fluid that filtered to flow to this discharge-channel 41 from room 5 and 6 respectively because be arranged on ring washer 121 that this filter core underseal covers near and the hole 142 of this perforated pins closed.In addition, packing ring 144 guarantees the compact siro spinning technology between this discharge-channel 41 and the interior room of this filter housing.
Such as, when this filter core 1 changed by needs, because this filter medium 11 is blocked, need to take off this filter lid 3 in this filter ladle bowl 4.(see figure 4) in unloading process, namely backing out in the process of this filter lid from this filter ladle bowl 4, this filter underseal lid 12, particularly another closure surface 143 of this outer annular packing ring 121 and this is separated, thus opens the hole 142 of this perforated pins 141.In opening procedure, the fluid in mistress 5 can flow into this discharge-channel 41 from this mistress 5, thus when fully removing filter core from this filter ladle bowl, interior room is empty, does not have fluid to flow out in this ladle bowl.Because inner radial packing ring 123 is to the sealing effectiveness of pipe 45, even if when dismantling this filter core from another capping 14 at first, also the sealing in filter core between room 6 and mistress 5 can be guaranteed, the mixing of fluid (in room 6) avoiding unfiltered fluid (in room 5) and filtered.
Once take out filter core 1 completely from this filter ladle bowl 4, by this jockey 31,131 of dismounting, this filter core can be pulled down from this lid 3, and the filter core that can more renew.In this case, this another capping 14 has been in its installation site, changes by upper cover and lower capping, and filter medium composition filter core it is enough.
In other words, filter core 14 first time comprising another capping 14 if of the present invention is installed on this filter housing, is necessary this another capping to be mounted to this filter housing.In other words, install filter core of the present invention if not first time, another capping before being mounted on this filter ladle bowl can be retained in its installation site, and only needs to change the filter core part comprising upper cover and lower capping and filter medium.
Can carry out various change or improvement to the present invention, these all will fall into scope of the present invention.
In addition, all details can be replaced by element equivalent in other technologies.
In practice, under the prerequisite of protection domain not departing from following claim, all materials of use, and shape and size, can change as required.
Claims (9)
1. filter core (1), comprise filter medium (11) and at least one capping (12), described capping is connected in an axial end of filter medium in a tightening way, it is characterized in that, described filter core comprises another capping (14), this another capping is separated with described filter medium (11), and be separated with described at least one capping (12), another capping described comprises the eccentric perforated pins (141) of extending vertically from this another capping, described pin is set to insert passage (41) in a sealing fashion, wherein said at least one capping (12) comprises the concentric ring washer (121) placed with this capping, when described at least one capping (12) is concentric with described another capping (14), and the surface (143) of described ring washer (121) and another capping described relative to described bearing pin to when relatively contacting, described ring washer is set to the hole (142) of closed described perforated pins (141).
2. filter core according to claim 1 (1), is characterized in that, described perforated pins (141) is arranged in described another capping (14) one-body moldedly.
3. filter core according to claim 1 (1), is characterized in that, described cam pin (141) is provided with sealing device (144).
4. filter core according to claim 1 (1), is characterized in that, described sealing device (144) is arranged on the radially-outer surface of described cam pin (141).
5. filter core according to claim 1 (1), is characterized in that, the radial sealing elements (123) that described at least one capping (12) comprises centre bore (122) and coordinates with this hole.
6. filter core according to claim 1 (1), it is characterized in that, comprise the 3rd capping (13), the 3rd capping (13) is arranged in the axial end relative with described at least one capping (12) of filter medium, and described 3rd capping comprises jockey (131).
7. a filter unit, comprise the shell with ladle bowl (4), an axial end of this shell is closed, and another axial end is open, this open end is closed by lid (3), described filter unit also comprises filter core (1), this filter core comprises filter medium (11) and at least one capping (12), described capping is connected in an axial end of filter medium in a tightening way, the inner space defined by described shell is divided into the first Room (5) be communicated with fluid intake (42) by described filter core, and the second Room (6) to be communicated with fluid issuing (43), wherein, described filter unit also comprises discharge-channel (41), this discharge-channel (41) for when taking out described filter core from described shell, exhaust fluid, it is characterized in that, described filter core comprises another capping (14), this another capping is separated with described filter medium (11), and be separated with described at least one capping (12), described capping comprises the eccentric perforated pins (141) of extending from this another capping, described pin (141) is set to insert described discharge-channel (41) in a sealing fashion, and described at least one capping (12) comprises the concentric ring washer (121) placed with described capping, when described filter core and another capping described are positioned at its installation site on the housing, now described cam pin (141) inserts in described discharge-channel (41), described at least one capping (12) is concentric with described another capping (14), and described ring washer (121) is when contacting with described another capping (14), described ring washer is set to the hole (142) of closed described perforated pins (141).
8. filter unit according to claim 7 (2), it is characterized in that, described filter ladle bowl (4) comprises the central tube (45) extended from this ladle bowl, described pipe comprises hole (451), described hole is communicated with described access road or described exit passageway, wherein, described at least one capping (12) comprises centre bore (122) and radial seal unit (123), and described sealing unit is set to as described central tube (45) provides radial seal.
9. filter unit according to claim 7 (2), it is characterized in that, described filter core comprises the 3rd capping (13), 3rd capping (13) is arranged in the axial end relative with described at least one capping (12) of filter medium, described capping comprises jockey (131), and this jockey is suitable for being connected with the jockey (31) be arranged on described filter lid (3).
Priority Applications (1)
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CN201310568714.8A CN104623948A (en) | 2013-11-15 | 2013-11-15 | Filter element and filter unit |
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CN201310568714.8A CN104623948A (en) | 2013-11-15 | 2013-11-15 | Filter element and filter unit |
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CN104623948A true CN104623948A (en) | 2015-05-20 |
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CN201310568714.8A Pending CN104623948A (en) | 2013-11-15 | 2013-11-15 | Filter element and filter unit |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104906847A (en) * | 2015-06-23 | 2015-09-16 | 浙江威泰汽配有限公司 | Changeable environment-friendly engine oil filter |
CN108421300A (en) * | 2017-02-14 | 2018-08-21 | 曼·胡默尔有限公司 | The filter of filter device for filtering fluid and the filtering head of filter device |
CN108979789A (en) * | 2018-08-15 | 2018-12-11 | 广西玉林坤达机械制造有限责任公司 | A kind of environmental-protective filter core being integrated with return valve function |
CN108999673A (en) * | 2018-08-15 | 2018-12-14 | 广西玉林坤达机械制造有限责任公司 | A kind of environmental-protective filter core being integrated with return valve function by plug-in type |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2005063358A2 (en) * | 2003-12-22 | 2005-07-14 | Donaldson Company, Inc. | Liquid filter assembly; and, methods |
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CN2782196Y (en) * | 2005-05-01 | 2006-05-24 | 河南核工程空气净化技术有限责任公司 | Circular filter |
CA2822903A1 (en) * | 2010-12-30 | 2012-07-05 | Baldwin Filters, Inc. | Vented liquid filter vented through media |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104906847A (en) * | 2015-06-23 | 2015-09-16 | 浙江威泰汽配有限公司 | Changeable environment-friendly engine oil filter |
CN108421300A (en) * | 2017-02-14 | 2018-08-21 | 曼·胡默尔有限公司 | The filter of filter device for filtering fluid and the filtering head of filter device |
CN108421300B (en) * | 2017-02-14 | 2022-05-03 | 曼·胡默尔有限公司 | Filter for a filter device for filtering a fluid and filter head for a filter device |
CN108979789A (en) * | 2018-08-15 | 2018-12-11 | 广西玉林坤达机械制造有限责任公司 | A kind of environmental-protective filter core being integrated with return valve function |
CN108999673A (en) * | 2018-08-15 | 2018-12-14 | 广西玉林坤达机械制造有限责任公司 | A kind of environmental-protective filter core being integrated with return valve function by plug-in type |
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