CN104707481B - Filter assembly - Google Patents

Filter assembly Download PDF

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Publication number
CN104707481B
CN104707481B CN201510105750.XA CN201510105750A CN104707481B CN 104707481 B CN104707481 B CN 104707481B CN 201510105750 A CN201510105750 A CN 201510105750A CN 104707481 B CN104707481 B CN 104707481B
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CN
China
Prior art keywords
filter
opening
head
intake channel
outlet passage
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.)
Active
Application number
CN201510105750.XA
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Chinese (zh)
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CN104707481A (en
Inventor
樊高峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Suzhou Emission System Co Ltd
Original Assignee
Tenneco Suzhou Emission System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tenneco Suzhou Emission System Co Ltd filed Critical Tenneco Suzhou Emission System Co Ltd
Priority to CN201510105750.XA priority Critical patent/CN104707481B/en
Publication of CN104707481A publication Critical patent/CN104707481A/en
Priority claimed from PCT/CN2015/094448 external-priority patent/WO2016074630A1/en
Application granted granted Critical
Publication of CN104707481B publication Critical patent/CN104707481B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/11Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31Self-supporting filtering elements
    • B01D29/33Self-supporting filtering elements arranged for inward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/50Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks

Abstract

The invention discloses a filter assembly. The filter assembly comprises a first filter and a second filter, wherein the first filter comprises a first housing, a first filter element and a first head, wherein a first inlet channel and a first outlet channel are formed in the first head; the second filter comprises a second housing, a second filter element and a second head; a second inlet channel and a second outlet channel are formed in the second head; the first inlet channel is communicated with the second inlet channel; the first outlet channel is communicated with the second outlet channel; the first filter and the second filter are separately arranged and are detachably assembled together through a fixture; the fixture is used for detachably assembling the first head with the second head. By virtue of the arrangement, the systematic design is realized; a right number of filters are selected and integrated according to different application requirements.

Description

Filter assemblies
Technical field
The present invention relates to a kind of filter assemblies, more particularly to one kind is applied in motor exhaust after-treatment system and is used With the filter assemblies of filter urea solution.
Background technology
Generally include in current motor exhaust after-treatment system urea tank, to by urea liquid from the urea tank The urea pump of extraction and the filter filtered by urea liquid.
When filter is applied in big-block engine after-treatment system, in order to meet certain filter capacity, need to set The bigger filter of meter size.In addition, generally requiring to design matched mistake for different engine aftertreatment systems Filter, this solution need to design different filters for different engine aftertreatment systems, substantially increase Cost.
Therefore, it is necessary to design a kind of above-mentioned to solve based on the Novel filtration device assembly for being combined some filters Problem.
The content of the invention
It is an object of the invention to provide a kind of stronger filter assemblies of extended capability.
For achieving the above object, the present invention is adopted the following technical scheme that:A kind of filter assemblies, which at least includes the first mistake Filter and the second filter, wherein described first filter include the first housing, the first filter in the first shell body Core and the first head with the first shell mates, first head are provided with the first intake channel and first outlet Passage;Second filter include the second housing, the second filter element in the second shell body and with the second shell Second head of mates, second head are provided with the second intake channel and second outlet passage;First import Passage is connected with second intake channel, the first outlet passage and the second outlet channel connection, first mistake Filter is provided separately and passes through fixture with second filter and removably fitted together, and the fixture is by described One head is removably fitted together with second head.
Used as further improved technical scheme of the present invention, first filter is with second filter in circulation side It is in parallel in formula.
As further improved technical scheme of the present invention, first filter include positioned at first filter element with The first entrance space being connected between first housing and with first intake channel, and it is located at first filter element First outlet space that is interior and being connected with the first outlet passage;Second filter is included positioned at second filter element The second entrance space being connected between second housing and with second intake channel, and be located at described second The second outlet space being connected in filter element and with the second outlet passage.
Used as further improved technical scheme of the present invention, first filter includes the first distribution plate, described first Distribution plate is provided with circumferentially distributed some first small openings, and first intake channel is entered by first small opening with described first The connection of mouth space is got up;Second filter includes the second distribution plate, if second distribution plate is provided with circumferentially distributed Second intake channel is connected by dry second small opening, second small opening with the second entrance space.
Used as further improved technical scheme of the present invention, first intake channel is mutual with the first outlet passage Parallel, second intake channel is parallel to each other with the second outlet passage, and first intake channel enters with described second Mouth passage is mutually aligned, and the first outlet passage is mutually aligned with the second outlet passage.
Used as further improved technical scheme of the present invention, the filter assemblies are also included installed in first import The first sealing ring between passage and second intake channel, and go out with described second installed in the first outlet passage The second sealing ring between mouth passage.
Used as further improved technical scheme of the present invention, first intake channel runs through first head, respectively The first opening and the second opening are formed in the both sides of first head;The first outlet passage also extends through described first Portion, forms the 3rd opening and the 4th opening in the both sides of first head respectively;Wherein described first opening and described the , positioned at the same side of first head, second opening is with the described 4th opening positioned at the same of first head for three openings Side;Second intake channel run through second head, respectively second head both sides formed the 5th opening with And the 6th opening;The second outlet passage also extends through second head, forms the in the both sides of second head respectively Seven openings and the 8th opening;Wherein described 5th opening is with the described 7th opening positioned at the same side of second head, institute The 6th opening is stated with the described 8th opening positioned at the same side of second head;Second opening is connect with the described 5th opening Touch, the 4th opening is contacted with the described 7th opening, in the described second opening, described second is close for first sealing ring Seal is in the described 4th opening.
Used as further improved technical scheme of the present invention, the filter assemblies also include being inserted in first opening Interior inlet union and the outlet connection being inserted in the 3rd opening.
Used as further improved technical scheme of the present invention, first housing is provided with first portion and is welded on described First contiguous block at the top in a tin portion, the wall thickness of the thickness of first contiguous block more than first portion, described first Head is provided with the external screw thread and female thread for cooperating with first contiguous block, so that first filter element can be detachable Be installed in the first shell body.
As further improved technical scheme of the present invention, the fixture include bolt and with the bolt coordinate Nut.
Used as further improved technical scheme of the present invention, first head is provided with to be installed positioned at the first of its bottom Portion, first installation portion are provided with the first mounting groove for extending transversely through, and first mounting groove is logical parallel to first import Road;Second head is provided with the second installation portion positioned at its bottom, second installation portion be provided with downward through fluting;Institute State bolt to be housed in first mounting groove, the nut is housed in the fluting.
Used as further improved technical scheme of the present invention, second installation portion is provided with the second installation for extending transversely through Groove, second mounting groove are connected with second mounting groove parallel to second intake channel, the fluting, and described second Mounting groove is to house the bolt being engaged with the 3rd filter.
Compared to prior art, the first filter of filter assemblies of the present invention is provided separately and is passed through with the second filter Fixture is removably fitted together, it is possible to achieve Systematic Design, selects suitable number of according to different application requirements Filter is combined, and extended capability is stronger.
Description of the drawings
Fig. 1 is the schematic diagram of inventive engine exhaust gas aftertreatment system.
Fig. 2 is the axonometric chart of filter assemblies in Fig. 1.
Fig. 3 is the axonometric chart of another angle of Fig. 2.
Fig. 4 is the front view of Fig. 2.
Fig. 5 is the upward view of Fig. 2.
Fig. 6 is the left view of Fig. 2.
Fig. 7 is the part isometric exploded view of Fig. 2, wherein the first filter and the second separate with filter, the second filter with 3rd filter is fitted together.
Fig. 8 is the three-dimensional exploded view of another angles of Fig. 7.
Fig. 9 is the three-dimensional exploded view of another angles of Fig. 8, and wherein filter housings do not show.
Figure 10 is the part isometric exploded view of the first filter in Fig. 7.
Figure 11 is the sectional view of the first filter.
Figure 12 is sectional view of the filter assemblies of the present invention at a certain position.
Figure 13 is the sectional view of the filter assemblies in another position of the present invention.
Specific embodiment
Please join shown in Fig. 1, present invention is disclosed a kind of exhaust gas aftertreatment system 100 that can be applied to big-block engine, Which is included urea tank 1, the filter assemblies 3 being connected with the urea tank 1, conveys dress to the fluid for conveying the urea liquid The common rail 5 for put 4, being connected with the fluid delivery system 4, some nozzles 6 being connected with the common rail 5 and described to control The controller 2 of exhaust gas aftertreatment system 100.
In illustrative embodiments of the present invention, the electromotor 200 is high-power of generally more than 500 kilowatts of power Motivation.The fluid delivery system 4 is provided with to pump the pump 41 of urea liquid(Such as gear pump etc.).In present invention diagram In embodiment, the controller 2 is arranged on the fluid delivery system 4, integrated to realize.The nozzle 6 to The urea liquid of jet atomization in the exhaust pipe of engine 201.Through atomization urea liquid in the exhaust pipe of engine 201 Ammonia is broken down into, the ammonia can be reacted with the nitrogen oxides in tail gas, so as to reduce the discharge of nitrogen oxides.Mirror It is well known in the principle of this tail gas disposal technique to person of ordinary skill in the field, the present invention will not be described here.
Please join shown in Fig. 2 to Figure 13, in illustrative embodiments of the present invention, the filter assemblies 3 are included shoulder to shoulder The first filter 31, the second filter 32 and the 3rd filter 33 for linking together.Described first, second, third filters The structure of device 31,32,33 is very similar to, and in order to shared device/mould, saves manufacturing cost.Hereinafter only filter with first As a example by device 31, it is described in detail.
Please join shown in Fig. 7 to Figure 13, first filter 31 includes the first housing 311, is installed on first housing The first filter element 312 in 311 and the first head 313 being engaged with first housing 311.
First housing 311 includes first portion 3111, positioned at the first bottom of first portion, 3111 bottom 3112nd, be arranged at first bottom 3112 and to support upwards first filter element 312 spring 3113, and be located at institute State first contiguous block 3114 on first portion, 3111 top.In illustrative embodiments of the present invention, first contiguous block 3114 tops for being welded in first portion 3111.First contiguous block 3114 is provided with female thread.
Correspondingly, the lower end of first head 313 is provided with the external screw thread being engaged with the female thread.Due to described Than relatively thin, its thickness cannot be threaded structure in a tin portion 3111, and the present invention is ingenious by arranging first contiguous block 3114 Solve this problem in that, save cost.Please join shown in Figure 11, the thickness of first contiguous block 3114 is more than described first The thickness in portion 3111.In addition, in illustrative embodiments of the present invention, first bottom 3112 and first portion 3111 It is to be provided separately, then welds again, cost is relatively low.In one embodiment of the invention, first housing 311 It is to be made of stainless steel, with order to can be resistant to alkaline solution.
In illustrative embodiments of the present invention, first filter 31 is the filter for going out formula in entering outward.Described One filter element 312 is substantially in hollow tubular.It is empty that first entrance is formed between first housing 311 and first filter element 312 Between 3141, the hollow part of first filter element 312 forms first outlet space 3142.
In addition, please join shown in Figure 10, first filter 31 is also included positioned at 3141 upper end of first entrance space The first distribution plate 315, first distribution plate 315 is provided with circumferentially distributed some first small openings 3151, first leakage Hole 3151 is connected with the first entrance space 3141.
Please join shown in Figure 10 and Figure 11, first filter 31 is also included positioned at first head 313 and described The first rubber blanket 316 between one filter element 312.
In illustrative embodiments of the present invention, first head 313 is machined piece, and is integral structure.Such as This setting, can save die sinking cost.Meanwhile, the flow hole of machined piece can be opened must be than larger, to meet big flow Require.First head 313 is threaded connection with first housing 311, is arranged such, when need change the first filter element When 312, it is only necessary to turn on the screw thread, it is not necessary to carry out the integral replacing of filter, so as to save maintenance cost.
Please join shown in Fig. 2 to Figure 13, first head 313 includes the first main part 34, from first main part 34 Side and upwardly extending first location division 35 and install positioned at two first of 34 two bottom sides of the first main part Portion 36, wherein first location division 35 are provided with to carry out installing first filter 31, fixed some first fixed Position hole 351.
First main part 34 includes that the two sides 340 being oppositely arranged, the first import through the two sides 340 lead to Road 341 and the first outlet passage 342 through the two sides 340.First intake channel 341 and the first outlet Passage 342 is parallel to each other.First intake channel 341 forms first in the both sides of first head 313 respectively and is open 3411 and second opening 3412;Similarly, the first outlet passage 342 is respectively in the both sides shape of first head 313 Into the 3rd opening 3421 and the 4th opening 3422.Wherein, first opening 3411 is located at institute with the described 3rd opening 3421 The same side of the first head 313 is stated, second opening 3412 is located at first head 313 with the described 4th opening 3422 The same side.First filter 31 also includes the inlet union 343 being inserted in first opening 3411 and is inserted in Outlet connection 344 in 3rd opening 3421.
Please join shown in Fig. 9, the bottom of first head 313 is additionally provided with is leaked with first on first distribution plate 315 First crescent 3131 and the outlet opening 3132 connected with the first outlet space 3142 of the connection of hole 3151.It is wherein described First crescent 3131 is connected with first intake channel 341, and the outlet opening 3132 is connected with the first outlet passage 342 It is logical.First installation portion 36 be provided with the first mounting groove 363 for extending transversely through and connect with first mounting groove 363 and to The fluting 364 for running through down, first mounting groove 363 is parallel to first intake channel 341.
Second filter 32 is very similar with the structure of first filter 31, is briefly described below.
Second filter 32 includes the second housing 321, the second filter element being installed in second housing 321(Not Diagram)And the second head 323 being engaged with second housing 321.
Second housing 321 is identical with first housing 311, second filter element and first filter element 312 is identical.Second entrance space is formed between second housing 321 and second filter element(It is not shown), described The hollow part of two filter elements forms second outlet space(It is not shown).
Second filter 32 also includes the second distribution plate 325 positioned at second entrance space upper end, described Two distribution plates 325 are provided with circumferentially distributed some second small openings 3251, and second small opening 3251 is empty with the second entrance Between connect.
The bottom of second head 323 is additionally provided with what is connected with the second small opening 3251 on second distribution plate 325 Second crescent 3231 and the outlet opening 3232 connected with the second outlet space.
In illustrative embodiments of the present invention, second head 323 is machined piece, and is integral structure.Such as This setting, can save die sinking cost.Meanwhile, the flow hole of machined piece can be opened must be than larger, to meet big flow Require.Second head 323 is threaded connection with second housing 321, is arranged such, when need change the second filter element When, it is only necessary to the screw thread is turned on, it is not necessary to carry out the integral replacing of filter, so as to save maintenance cost.
Please join shown in Fig. 2 to Figure 13, second head 323 includes the second main part 37, from second main part 37 Side and upwardly extending second location division 38 and install positioned at two second of 37 two bottom sides of the second main part Portion 39, wherein second location division 38 are provided with to carry out installing second filter 32, fixed some second fixed Position hole 381.
Second main part 37 includes that the two sides 370 being oppositely arranged, the second import through the two sides 370 lead to Road 371 and the second outlet passage 372 through the two sides 370.Second intake channel 371 and the second outlet Passage 372 is parallel to each other.Wherein described second crescent 3231 is connected with second intake channel 371, the outlet opening 3232 are connected with the second outlet passage 372.Second intake channel 371 is respectively in the both sides of second head 323 Form the 5th opening 3711 and the 6th opening 3712;Similarly, the second outlet passage 372 is respectively in second head 323 both sides form the 7th opening 3721 and the 8th opening 3722.Wherein described 5th opening 3711 and the described 7th opening 3721 the same sides for being located at second head 323, the 6th opening 3712 are located at described the with the described 8th opening 3722 The same side of two heads 323.
In illustrative embodiments of the present invention, first filter 31 is provided separately simultaneously with second filter 32 Removably fitted together by fixture;Second filter 32 is provided separately and is passed through with the 3rd filter 33 Fixture is removably fitted together.The nut 362 that the fixture is included bolt 361 and coordinated with the bolt 361. First installation portion 36 is provided with the first mounting groove 363 for extending transversely through, and first mounting groove 363 enters parallel to described first Mouth passage 341.Second installation portion 39 be provided with the second mounting groove 391 for extending transversely through and with second mounting groove 391 Connection and downward through fluting 392.Second mounting groove 391 is parallel to second intake channel 371.
In illustrative embodiments of the present invention, first filter 31 is provided separately simultaneously with second filter 32 Removably fitted together by fixture;Second filter 32 is provided separately and is passed through with the 3rd filter 33 Fixture is removably fitted together.The nut 362 that the fixture is included bolt 361 and coordinated with the bolt 361.
When first filter 31 and second filter 32 is mutually assembled, second opening 3412 with it is described 5th opening 3711 is contacted, and the 4th opening 3422 is contacted with the described 7th opening 3721.In order to improve the reliability of sealing, The filter assemblies 3 also include the first sealing ring 365 being contained in second opening 3412 and are contained in described the The second sealing ring 366 in four openings 3422.First intake channel 341 is mutually aligned with second intake channel 371, The first outlet passage 342 is mutually aligned with the second outlet passage 372.The bolt 361 is transversely housed in described In first mounting groove 363, the nut 362 is housed in the fluting 392 from bottom up, the bolt 361 and the spiral shell Female 362 tighten.It is arranged such, the fixture is by the first head 313 of first filter 31 and second filter 32 the second head 323 is removably fitted together.
It will be appreciated, of course, that the filter assemblies 3 of the present invention have sequencing in assembling, i.e., first should be by Second filter 32 is assembled with the 3rd filter 31, will bolt 361 fill in second mounting groove 391 and with fill in Nut 362 in the 3rd filter 31 is tightened.Then, then by the first filter 31 assembled with the second filter 32, from And avoid assembling from interfering.
Please join shown in Figure 12, just the flow direction of fluid of the present invention is described below.
First filter 31, the second filter 32 are in parallel with the 3rd filter 33 in circulation style.
First, fluid flows into the first intake channel 341 from inlet union 343, and a part of fluid flows into the first crescent In 3131, and through some first small openings 3151 on the first distribution plate 315, into first entrance space 3141, this part is flowed Body penetrates through the first filter element 312, into first outlet space 3142, then flows into first outlet through outlet opening 3132 again and leads to Road 342, finally leaves from the outlet connection 344;Another part fluid flows into the second intake channel 371, and then therein one Part is flowed in the second crescent 3231, and through some second small openings 3251 on the second distribution plate 325, into the 3rd entrance Space, this segment fluid flow penetrate through the second filter element, into second outlet space, then flow into second outlet through outlet opening again Passage 372, finally leaves from the outlet connection 344.Flow direction of the fluid in the 3rd filter 33 with the second filter 32 In flow to it is identical.
First filter 31 of filter assemblies of the present invention 3, the second filter 32 and the 3rd filter 33 are provided separately And removably fitted together by fixture, it is possible to achieve Systematic Design, select suitable according to different application requirements The filter of number is combined, and extended capability is stronger.
In addition, above example is merely to illustrate the present invention and not limits technical scheme described in the invention, to this The understanding of description should be based on person of ordinary skill in the field, and such as " in front and back through " refers to do not installing which What he was through before part, then for example to "front", "rear", "left", "right", " on ", the description of D score isotropy, although this Description with reference to the above embodiments to present invention has been detailed description, but, one of ordinary skill in the art should Work as understanding, person of ordinary skill in the field still can modify to the present invention or equivalent, and all do not take off From technical scheme and its improvement of the spirit and scope of the present invention, all should cover in scope of the presently claimed invention.

Claims (9)

1. a kind of filter assemblies, which at least includes the first filter and the second filter, wherein described first filter bag Include the first housing, the first filter element in the first shell body and the first head with the first shell mates, institute State the first head and be provided with the first intake channel and first outlet passage;Second filter includes the second housing, positioned at institute The second filter element in second shell body and the second head with the second shell mates is stated, second head is provided with second Intake channel and second outlet passage;First intake channel is connected with second intake channel, the first outlet Passage and the second outlet channel connection, it is characterised in that:First filter is provided separately with second filter And removably fitted together by fixture, the fixture by first head with second head removably Fit together;
First intake channel is parallel to each other with the first outlet passage, second intake channel and the second outlet Passage is parallel to each other, and first intake channel is mutually aligned with second intake channel, the first outlet passage and institute State second outlet passage to be mutually aligned;
The filter assemblies also include that between first intake channel and second intake channel first is close Seal, and the second sealing ring between the first outlet passage and the second outlet passage;
First intake channel run through first head, respectively first head both sides formed first opening and Second opening;The first outlet passage also extends through first head, forms the 3rd in the both sides of first head respectively Opening and the 4th opening;Wherein described first opening is located at the same side of first head with the described 3rd opening, described Second opening is with the described 4th opening positioned at the same side of first head;Second intake channel runs through described second Portion, forms the 5th opening and the 6th opening in the both sides of second head respectively;The second outlet passage also extends through institute The second head is stated, and the 7th opening and the 8th opening is formed in the both sides of second head respectively;Wherein described 5th opening With the described 7th opening positioned at the same side of second head, the 6th opening is located at described second with the described 8th opening The same side of head;Second opening is contacted with the described 5th opening, and the 4th opening is contacted with the described 7th opening, institute The first sealing ring is stated in the described second opening, second sealing ring is in the described 4th opening.
2. filter assemblies as claimed in claim 1, it is characterised in that:First filter is existed with second filter It is in parallel in circulation style.
3. filter assemblies as claimed in claim 2, it is characterised in that:First filter is included positioned at the described first filter The first entrance space being connected between first housing and with first intake channel of core, and it is located at described the The first outlet space being connected in one filter element and with the first outlet passage;Second filter is included positioned at described The second entrance space being connected between second housing and with second intake channel of two filter elements, and it is located at institute State the second outlet space being connected in the second filter element and with the second outlet passage.
4. filter assemblies as claimed in claim 3, it is characterised in that:First filter includes the first distribution plate, institute State the first distribution plate and be provided with circumferentially distributed some first small openings, first small opening by first intake channel with it is described The connection of first entrance space is got up;Second filter includes the second distribution plate, and second distribution plate is provided with and circumferentially divides Second intake channel is connected by some second small openings of cloth, second small opening with the second entrance space.
5. filter assemblies as claimed in claim 1, it is characterised in that:The filter assemblies also include being inserted in described the Inlet union and the outlet connection being inserted in the 3rd opening in one opening.
6. filter assemblies as claimed in claim 1, it is characterised in that:First housing is provided with first portion and is welded on First contiguous block at the top in first portion, the thickness of first contiguous block are more than the wall thickness in first portion, institute State the first head and be provided with the external screw thread and female thread for cooperating with first contiguous block, so that first filter element can It is mounted in the first shell body.
7. filter assemblies as described in any one in claim 1 to 6, it is characterised in that:The fixture includes spiral shell Bolt and the nut coordinated with the bolt.
8. filter assemblies as claimed in claim 7, it is characterised in that:First head is provided with positioned at its bottom first Installation portion, first installation portion are provided with the first mounting groove for extending transversely through, and first mounting groove enters parallel to described first Mouth passage;Second head is provided with the second installation portion positioned at its bottom, second installation portion be provided with downward through open Groove;The bolt is housed in first mounting groove, and the nut is housed in the fluting.
9. filter assemblies as claimed in claim 8, it is characterised in that:Second installation portion is provided with second for extending transversely through Mounting groove, parallel to second intake channel, the fluting is connected second mounting groove with second mounting groove, described Second mounting groove is to house the bolt being engaged with the 3rd filter.
CN201510105750.XA 2015-03-11 2015-03-11 Filter assembly Active CN104707481B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510105750.XA CN104707481B (en) 2015-03-11 2015-03-11 Filter assembly

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Application Number Priority Date Filing Date Title
CN201510105750.XA CN104707481B (en) 2015-03-11 2015-03-11 Filter assembly
CN201611177089.4A CN106582288B (en) 2015-03-11 2015-03-11 Filter assemblies
PCT/CN2015/094448 WO2016074630A1 (en) 2014-11-14 2015-11-12 Filter assembly

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WO2016074630A1 (en) * 2014-11-14 2016-05-19 天纳克(苏州)排放系统有限公司 Filter assembly

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Publication number Priority date Publication date Assignee Title
US20080029449A1 (en) * 2006-07-25 2008-02-07 Bio-Rad Laboratories, Inc. Graded external prefilter element for continuous-flow systems
CN201058253Y (en) * 2007-06-13 2008-05-14 厦门建霖工业有限公司 Watercourse structure of filter
KR100873294B1 (en) * 2007-06-14 2008-12-11 웅진코웨이주식회사 A filter assembly
JP5571366B2 (en) * 2009-12-04 2014-08-13 愛三工業株式会社 Filter device
CN103127759A (en) * 2011-11-24 2013-06-05 昆山总馨机械有限公司 Combined type water purifier fixing device
US9718011B2 (en) * 2013-03-12 2017-08-01 Schroeder Industries, Llc Coalescing filter element and filter assembly therefore
CN203370388U (en) * 2013-07-17 2014-01-01 武汉亚维环保科技有限公司 Integrated type high-flow precise filter
CN203829768U (en) * 2014-05-12 2014-09-17 安徽托普节能环保有限公司 Novel filter element replacing pull rod
CN204502803U (en) * 2015-03-11 2015-07-29 天纳克(苏州)排放系统有限公司 Filter assemblies

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CN106582288B (en) 2019-09-24
CN106582288A (en) 2017-04-26
CN104707481A (en) 2015-06-17

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